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1 /* |
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2 * Copyright (c) 2003 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: SVG Implementation source file |
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15 * |
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16 */ |
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17 |
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18 |
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19 #if !defined(__E32BASE_H__) |
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20 #include <e32base.h> |
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21 #endif |
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22 #include "SVGTextElementImpl.h" |
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23 #include "SVGDocumentImpl.h" |
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24 #include "SVGEngineImpl.h" |
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25 #include "SVGSchemaData.h" |
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26 #include "SVGFloatCssValueImpl.h" |
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27 #include "SVGStrCssValueImpl.h" |
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28 #include "SVGIntCssValueImpl.h" |
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29 #include "SVGPaintCssValueImpl.h" |
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30 |
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31 #include "GfxLine2D.h" |
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32 #include "GfxStroke.h" |
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33 #include "GfxColor.h" |
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34 |
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35 #include "GfxAffineTransform.h" |
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36 |
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37 |
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38 #include "SVGStringTokenizer.h" |
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39 #include "GfxGeneralPath.h" |
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40 |
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41 #include "SVGGlyphElementImpl.h" |
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42 //#include "SvgDefaultFont.h" |
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43 #include "SVGErrorImpl.h" |
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44 #include "SVGFourPointRect.h" |
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45 |
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46 #include "hal.h" |
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47 #include "hal_data.h" |
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48 |
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49 #define KDefaultFontSize 10 |
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50 #define KOne 1 |
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51 #define KDefaultUnitsPerEm 1000 |
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52 |
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53 _LIT( KGlyphNameNone, "GlyphNameNone"); |
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54 _LIT( KDefaultFont, "serif" ); // Similar changes should be applied to Gfx2dGcOpenVg.cpp file |
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55 |
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56 // --------------------------------------------------------------------------- |
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57 // Two phase construction |
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58 // --------------------------------------------------------------------------- |
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59 |
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60 CSvgTextElementImpl* CSvgTextElementImpl::NewL( const TUint8 aElemID, |
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61 CSvgDocumentImpl* aDoc ) |
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62 |
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63 { |
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64 CSvgTextElementImpl*self = new ( ELeave ) CSvgTextElementImpl( aDoc ); |
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65 CleanupStack::PushL( self ); |
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66 |
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67 |
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68 self->ConstructL( aElemID ); |
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69 CleanupStack::Pop(); |
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70 |
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71 return self; |
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72 } |
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73 |
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74 // --------------------------------------------------------------------------- |
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75 // |
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76 // --------------------------------------------------------------------------- |
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77 |
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78 |
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79 CSvgTextElementImpl* CSvgTextElementImpl::NewLC( const TUint8 aElemID, |
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80 CSvgDocumentImpl* aDoc ) |
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81 { |
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82 CSvgTextElementImpl*self = new ( ELeave ) CSvgTextElementImpl( aDoc ); |
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83 CleanupStack::PushL( self ); |
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84 self->ConstructL( aElemID ); |
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85 |
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86 return self; |
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87 } |
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88 |
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89 |
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90 // --------------------------------------------------------------------------- |
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91 // |
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92 // --------------------------------------------------------------------------- |
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93 CSvgTextElementImpl::CSvgTextElementImpl( CSvgDocumentImpl* aDoc ): iOffset(0) |
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94 { |
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95 SetOwnerDocument(aDoc); |
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96 |
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97 } |
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98 |
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99 |
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100 // --------------------------------------------------------------------------- |
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101 // |
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102 // --------------------------------------------------------------------------- |
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103 |
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104 void CSvgTextElementImpl::ConstructL( const TUint8 aElemID ) |
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105 { |
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106 CSvgElementImpl::InitializeL( aElemID ); |
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107 |
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108 |
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109 iArrayX = new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
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110 iArrayY = new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
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111 |
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112 #ifdef SVG_FLOAT_BUILD |
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113 iArrayX->AppendL( TFloatFixPt(0) ); |
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114 iArrayY->AppendL( TFloatFixPt(0) ); |
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115 |
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116 iPoint.iX = TFloatFixPt( 0 ); |
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117 iPoint.iY = TFloatFixPt( 0 ); |
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118 #else |
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119 iArrayX->AppendL( TFloatFixPt( 0 , ETrue) ); |
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120 iArrayY->AppendL( TFloatFixPt( 0 , ETrue) ); |
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121 |
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122 |
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123 iPoint.iX = TFloatFixPt( 0 ,ETrue); |
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124 iPoint.iY = TFloatFixPt( 0 ,ETrue); |
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125 #endif |
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126 |
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127 iText = HBufC::NewL( 2 ); |
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128 // *iText = _L( " " ); |
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129 |
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130 iG1 = HBufC::NewL( 0 ); |
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131 iG2 = HBufC::NewL( 0 ); |
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132 |
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133 iU1 = HBufC::NewL( 0 ); |
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134 iU2 = HBufC::NewL( 0 ); |
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135 |
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136 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR); |
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137 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) ); |
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138 iSvgStyleProperties->Remove( 0 ); |
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139 |
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140 iTriedLoadingSVGFonts = EFalse; |
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141 iNeedToCacheGlyphs = EFalse; |
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142 |
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143 iSvgTransformable = CSvgTransformableImpl::NewL(); |
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144 |
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145 //set in the default font...just in case |
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146 SetFontFamilyL(KDefaultFont ); //_L("DefaultFont")); |
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147 |
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148 iEditable = EFalse; |
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149 |
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150 if (OwnerDocument()) |
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151 { |
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152 ((CSvgDocumentImpl*)OwnerDocument())->AddInternalMouseListener( this ); |
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153 } |
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154 |
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155 //gets the default font that the graphics context holds at the start |
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156 //should be whatever the client side specified as the initial fontspec |
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157 //GetCurrentFontScaled(iBitmapFont, iBitmapFontSpec); |
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158 |
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159 } |
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160 |
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161 |
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162 // --------------------------------------------------------------------------- |
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163 // |
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164 // --------------------------------------------------------------------------- |
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165 CSvgTextElementImpl::~CSvgTextElementImpl() |
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166 { |
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167 |
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168 iGlyphElements.Close(); |
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169 |
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170 if ( iFamilies ) |
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171 { |
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172 iFamilies->Reset(); |
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173 delete iFamilies; |
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174 iFamilies = NULL; |
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175 } |
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176 if ( iArrayX ) |
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177 { |
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178 iArrayX->Reset(); |
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179 delete iArrayX; |
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180 iArrayX = NULL; |
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181 } |
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182 if ( iArrayY ) |
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183 { |
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184 iArrayY->Reset(); |
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185 delete iArrayY; |
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186 iArrayY = NULL; |
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187 } |
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188 if ( iArrayRotate ) |
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189 { |
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190 iArrayRotate->Reset(); |
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191 delete iArrayRotate; |
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192 iArrayRotate = NULL; |
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193 } |
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194 |
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195 if ( iText ) |
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196 { |
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197 delete iText; |
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198 iText = NULL; |
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199 } |
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200 |
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201 if ( iG1 ) |
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202 { |
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203 delete iG1; |
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204 iG1 = NULL; |
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205 } |
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206 |
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207 if ( iG2 ) |
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208 { |
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209 delete iG2; |
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210 iG2 = NULL; |
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211 } |
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212 |
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213 if ( iU1) |
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214 { |
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215 delete iU1; |
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216 iU1 = NULL; |
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217 } |
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218 |
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219 if ( iU2 ) |
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220 { |
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221 delete iU2; |
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222 iU2 = NULL; |
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223 } |
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224 |
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225 ((CSvgDocumentImpl*)OwnerDocument())->RemoveInternalMouseListener( this ); |
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226 // The Font is owned by TextElement |
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227 // now as each text element may have its own specific font |
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228 // and keeping one copy at Gc level will not work. |
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229 // Gc is just refering to the Font from Textelement, so |
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230 // need to free it here. Note the iWsSceenDevice initialisation |
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231 // was done in draw as it needs to happens in main thread in case |
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232 // of progressive rendering. |
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233 // |
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234 if (iBitmapFont) |
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235 { |
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236 CSvgBitmapFontProvider *tempBitmapFontProvider = ((CSvgDocumentImpl*)iOwnerDocument)->GetBitmapFontProvider(); |
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237 tempBitmapFontProvider->ReleaseFont(iBitmapFont); |
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238 iBitmapFont = NULL; |
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239 |
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240 } |
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241 |
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242 if ( iSvgStyleProperties ) |
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243 { |
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244 iSvgStyleProperties->Close(); |
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245 delete iSvgStyleProperties; |
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246 iSvgStyleProperties = NULL; |
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247 } |
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248 |
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249 } |
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250 |
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251 |
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252 // ******************************************************* |
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253 // From SVG DOM |
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254 // --------------------------------------------------------------------------- |
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255 // |
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256 // --------------------------------------------------------------------------- |
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257 TInt32 CSvgTextElementImpl::NumberOfChars() |
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258 { |
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259 return iText->Length(); |
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260 } |
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261 |
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262 // --------------------------------------------------------------------------- |
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263 // |
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264 // --------------------------------------------------------------------------- |
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265 void CSvgTextElementImpl::GetX( CArrayFix<TFloatFixPt>* aX ) |
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266 { |
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267 if (aX->Count() > 0) |
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268 { |
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269 aX->At( 0 ) = iPoint.iX; |
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270 } |
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271 } |
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272 |
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273 // --------------------------------------------------------------------------- |
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274 // |
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275 // --------------------------------------------------------------------------- |
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276 void CSvgTextElementImpl::GetY( CArrayFix<TFloatFixPt>* aY ) |
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277 { |
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278 if (aY->Count() > 0 ) |
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279 { |
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280 aY->At( 0 ) = iPoint.iY; |
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281 } |
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282 } |
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283 |
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284 // ******************************************************* |
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285 // SVG Implementation |
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286 |
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287 TBool CSvgTextElementImpl::IsNumberAttributeValid( const TDesC& aValue ) |
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288 |
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289 { |
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290 TBool lValidAttr = EFalse; |
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291 |
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292 if ( aValue.Length() > 0 ) |
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293 { |
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294 |
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295 TLex lInput ( aValue ); |
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296 |
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297 TChar tmpchar; |
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298 while ( lInput.Peek() != 0 ) |
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299 { |
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300 tmpchar = lInput.Get(); |
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301 if( !(tmpchar.IsDigit()) && !(tmpchar == '.') && !(tmpchar == '-') && !(tmpchar == ' ') ) |
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302 { |
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303 lValidAttr = EFalse; |
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304 break; |
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305 } |
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306 lValidAttr = ETrue; |
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307 } |
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308 |
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309 } |
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310 |
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311 return lValidAttr; |
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312 } |
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313 |
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314 // --------------------------------------------------------------------------- |
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315 // xml:space is an inheritable attribute which can have one of two values: |
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316 // |
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317 // default (the initial/default value for xml:space) - When xml:space="default": |
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318 // - Remove all newline characters. |
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319 // - Convert all tab characters into space characters. |
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320 // - Strip off all leading and trailing space characters. |
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321 // - All contiguous space characters will be consolidated. |
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322 // |
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323 // preserve - When xml:space="preserve" : |
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324 // - Convert all newline and tab characters into space characters. |
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325 // --------------------------------------------------------------------------- |
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326 void CSvgTextElementImpl::SetTextL( const TDesC& aText ) |
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327 { |
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328 _LIT( KPreserve, "preserve" ); |
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329 _LIT( KDefault, "default"); |
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330 if ( iText ) |
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331 { |
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332 delete iText; |
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333 iText = NULL; |
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334 } |
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335 |
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336 iText = aText.AllocL(); |
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337 TPtr textDes = iText->Des(); |
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338 TBool def = ETrue; |
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339 |
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340 // Get the xml:space value. |
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341 TBuf<20> lXmlspace; |
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342 |
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343 if(XMLSpace() == KPreserve) |
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344 { |
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345 lXmlspace=KPreserve; |
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346 def=EFalse; |
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347 } |
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348 else if(XMLSpace() == KDefault) |
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349 { |
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350 lXmlspace=KDefault; |
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351 } |
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352 // xml:space is inherited if not specified |
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353 if ( lXmlspace!= KPreserve && lXmlspace != KDefault) |
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354 { |
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355 // Traverse to the nearest parent element which has the xml:space |
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356 // If no xml:space then render using xml:space="default" |
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357 CSvgElementImpl *lRoot=(CSvgElementImpl *)this->ParentNode(); |
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358 while(lRoot) |
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359 { |
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360 if ((lRoot->XMLSpace() == KPreserve)) |
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361 { |
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362 def = EFalse; |
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363 break; |
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364 } |
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365 else if(lRoot->XMLSpace()==KDefault) |
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366 { |
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367 break; |
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368 } |
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369 lRoot=(CSvgElementImpl *)lRoot->ParentNode(); |
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370 } |
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371 |
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372 } |
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373 |
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374 _LIT(KSpace, " "); |
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375 // default |
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376 if ( def && lXmlspace != KPreserve ) |
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377 { |
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378 |
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379 // Remove leading, trailing and contiguous spaces |
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380 textDes.TrimAll(); |
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381 |
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382 for (TInt i = textDes.Length() - 1; i >= 0; i--) |
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383 { |
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384 |
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385 // Remove new line character |
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386 if (textDes[i] == '\n' || |
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387 textDes[i] == '\r') |
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388 { |
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389 textDes.Delete(i,1); |
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390 } |
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391 |
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392 // Tab to be replaced with space. |
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393 if(textDes[i] == '\t') |
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394 { |
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395 textDes.Replace(i,1,KSpace); |
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396 } |
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397 } |
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398 } |
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399 // preserve |
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400 else |
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401 { |
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402 |
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403 for ( TInt i = 0; i < textDes.Length(); i++ ) |
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404 { |
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405 // ms-dos carriage return contains two characters: 13, 10 |
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406 const TInt KCarriageReturn1 = 13; |
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407 const TInt KCarriageReturn2 = 10; |
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408 |
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409 if ( i + 1 < textDes.Length() && |
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410 (TInt)textDes[i] == KCarriageReturn1 && |
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411 (TInt)textDes[i+1] == KCarriageReturn2 ) |
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412 { |
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413 textDes[i] = ' '; |
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414 textDes.Delete( i+1, 1 ); |
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415 } |
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416 |
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417 // New line and tab should be replaced by space character. |
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418 if (textDes[i] == '\n' ||textDes[i] == '\t') |
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419 { |
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420 textDes.Replace(i,1, KSpace); |
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421 } |
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422 } |
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423 } |
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424 |
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425 iUseDefaultSVGFont = IsMostBasicLatin(); |
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426 iNeedToCacheGlyphs = ETrue; |
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427 } |
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428 |
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429 void CSvgTextElementImpl::CacheGlyphsForText() |
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430 { |
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431 if (!iNeedToCacheGlyphs || iText == NULL || iText->Length() == 0 || iSVGFont == NULL) |
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432 { |
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433 return; |
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434 } |
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435 // Reset the cache first |
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436 iGlyphElements.Reset(); |
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437 //initialize the glyph elements cache array...this seems expensive any other way to do this |
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438 TInt textLength = iText->Length(); |
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439 for (TInt j = 0; j < textLength; j++) |
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440 { |
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441 //it might actually be better to put a ptr to missing glyph in here instead of null |
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442 iGlyphElements.Append(NULL); |
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443 } |
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444 |
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445 //we have an svg font... |
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446 if ( iSVGFont->HasChildNodes() ) |
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447 { |
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448 /*******************************/ |
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449 /* Text Caching functionality, */ |
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450 /*******************************/ |
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451 |
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452 CSvgElementImpl* lFirstChild = ( CSvgElementImpl * ) iSVGFont->FirstChild(); |
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453 |
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454 while ( lFirstChild != NULL ) |
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455 { |
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456 /***********************/ |
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457 /*CACHING HKERN ELEMENT*/ |
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458 /***********************/ |
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459 if( lFirstChild->ElemID() == KSvgHkernElement) |
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460 { |
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461 //1 per font |
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462 iHkernElement = lFirstChild; |
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463 } |
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464 |
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465 /******************************/ |
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466 /*CACHING MISSINGGLYPH ELEMENT*/ |
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467 /******************************/ |
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468 |
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469 if ( lFirstChild->ElemID() == KSvgMissingglyphElement) |
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470 { |
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471 //1 per font |
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472 iMissingGlyphElement = lFirstChild; |
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473 } |
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474 |
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475 /***********************/ |
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476 /* FONTFACE ELEMENT */ |
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477 /***********************/ |
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478 |
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479 if ( lFirstChild->ElemID() == KSvgFontfaceElement ) |
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480 { |
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481 //1 per font |
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482 iFontFaceElement = lFirstChild; |
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483 } |
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484 |
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485 /***********************/ |
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486 /* CACHE GLYPH ELEMENT */ |
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487 /***********************/ |
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488 |
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489 if ( lFirstChild->ElemID() == KSvgGlyphElement) |
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490 { |
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491 TPtrC16 lUnicode; |
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492 lFirstChild->GetAttributeDes( KAtrUnicode, lUnicode ); |
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493 |
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494 TPtr textDes = iText->Des(); |
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495 |
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496 TPtrC lLangCode; |
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497 TInt langCodeFound = 0; |
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498 |
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499 TInt checkErrorLangCode = lFirstChild->GetAttributeDes( KAtrLang, lLangCode); |
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500 |
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501 if (checkErrorLangCode != KErrNoAttribute) |
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502 { |
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503 TPtrC lXmlLangAttr(this->XMLLang()); |
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504 langCodeFound = lLangCode.CompareF( lXmlLangAttr ); |
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505 } |
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506 |
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507 TInt textLength = iText->Length(); |
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508 for (TInt i=0; i < textLength; i++) |
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509 { |
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510 //this probably isnt right i think one of these is a string that needs to be an int |
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511 if ( textDes[i] == lUnicode[0] && langCodeFound == 0) |
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512 { |
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513 //then this text string uses this glyph and we need to cache it in each spot it is used |
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514 iGlyphElements[i] = lFirstChild; |
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515 } |
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516 } |
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517 } |
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518 |
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519 lFirstChild = ( CSvgElementImpl* ) lFirstChild->NextSibling(); |
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520 } |
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521 } |
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522 |
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523 iNeedToCacheGlyphs = EFalse; |
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524 } |
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525 |
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526 TBool CSvgTextElementImpl::IsMostBasicLatin() |
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527 { |
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528 //check to see if all basic latin characters |
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529 if (iText == NULL || iText->Length() == 0) |
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530 { |
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531 return EFalse; |
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532 } |
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533 |
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534 TPtr textDes = iText->Des(); |
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535 |
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536 TInt lOutOfLatinCount = 0; |
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537 |
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538 TInt textDesLength = textDes.Length(); |
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539 for (TInt i=0; i< textDesLength; i++) |
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540 { |
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541 if (!((TInt)textDes[i] <= 0x007F)) |
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542 { |
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543 lOutOfLatinCount++; |
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544 break; |
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545 } |
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546 } |
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547 |
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548 //make sure that at least half arent outside of basic latin characters |
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549 if (lOutOfLatinCount > (textDes.Length() / 2) ) |
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550 { |
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551 return EFalse; |
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552 } |
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553 |
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554 return ETrue; |
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555 } |
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556 |
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557 TDesC& CSvgTextElementImpl::GetText() |
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558 { |
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559 return *iText; |
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560 } |
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561 |
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562 void CSvgTextElementImpl::SetFont(CFont* aBitmapFont, CSvgElementImpl* aSVGFont) |
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563 { |
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564 if (aBitmapFont != NULL) |
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565 { |
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566 iBitmapFont = aBitmapFont; |
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567 } |
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568 if (aSVGFont != NULL) |
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569 { |
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570 iSVGFont = aSVGFont; |
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571 } |
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572 } |
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573 |
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574 TBool CSvgTextElementImpl::HasFont() |
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575 { |
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576 if (iBitmapFont || iSVGFont) |
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577 { |
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578 return ETrue; |
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579 } |
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580 else |
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581 { |
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582 return EFalse; |
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583 } |
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584 } |
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585 |
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586 |
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587 void CSvgTextElementImpl::FreeFontData() |
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588 { |
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589 |
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590 if (iBitmapFont) |
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591 { |
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592 CSvgBitmapFontProvider *tempBitmapFontProvider = ((CSvgDocumentImpl*)iOwnerDocument)->GetBitmapFontProvider(); |
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593 tempBitmapFontProvider->ReleaseFont(iBitmapFont); |
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594 iBitmapFont = NULL; |
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595 |
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596 } |
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597 |
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598 } |
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599 |
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600 |
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601 // --------------------------------------------------------------------------- |
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602 // |
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603 // --------------------------------------------------------------------------- |
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604 void CSvgTextElementImpl::SetFontFamilyL( const TDesC& aValue ) |
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605 { |
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606 //May not need to be called every frame, the CSS value is stored on the element level |
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607 |
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608 TInt pos; |
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609 if ( iFamilies ) |
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610 { |
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611 iFamilies->Reset(); |
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612 delete iFamilies; |
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613 iFamilies = NULL; |
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614 } |
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615 iFamilies = new ( ELeave ) CDesCArrayFlat( 1 ); |
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616 TStringTokenizer tkn ( aValue, _L( "," ) ); |
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617 |
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618 _LIT( KQuote, "'" ); |
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619 while ( tkn.HasMoreTokens() ) |
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620 { |
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621 TPtrC lToken = tkn.NextToken(); |
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622 pos = lToken.Find( KQuote ); |
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623 TLex lStr( lToken ); |
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624 |
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625 const TChar KQuoteChar( '\'' ); |
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626 if ( pos == KErrNotFound ) |
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627 { |
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628 lStr.SkipSpaceAndMark(); //Skip whitespaces at beginning of font-family value |
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629 while (lStr.Get()) //get the remaining string from Mark |
|
630 { |
|
631 } |
|
632 lStr.UnGet(); //"back" up one character |
|
633 |
|
634 const TChar KWhiteSpaceChar( ' ' ); |
|
635 |
|
636 while (lStr.Peek() == KWhiteSpaceChar) //for multi white spaces at the end |
|
637 { |
|
638 lStr.UnGet(); |
|
639 } |
|
640 //Token length = iNext pos - iMark pos |
|
641 lStr.Inc(); //Increment iNext position by 1 to "include" iNext |
|
642 |
|
643 } |
|
644 else |
|
645 { |
|
646 pos++; |
|
647 lStr.SkipAndMark( pos ); |
|
648 lStr.Inc( pos ); |
|
649 while ( lStr.Get() != KQuoteChar ) |
|
650 { |
|
651 } |
|
652 lStr.UnGet(); |
|
653 } |
|
654 TPtrC lFontFamily = lStr.MarkedToken(); |
|
655 iFamilies->AppendL( lFontFamily ); |
|
656 } |
|
657 |
|
658 //default font added to end here... |
|
659 iFamilies->AppendL( KDefaultFont ); // _L("DefaultFont")); |
|
660 } |
|
661 |
|
662 // --------------------------------------------------------------------------- |
|
663 // |
|
664 // --------------------------------------------------------------------------- |
|
665 void CSvgTextElementImpl::SetRotateL( const TDesC& aValue ) |
|
666 { |
|
667 iArrayRotate = new ( ELeave ) CArrayFixFlat<TReal32>( 1 ); |
|
668 TStringTokenizer tkn ( aValue, _L( ", " ) ); |
|
669 |
|
670 TInt lCount = 0; |
|
671 |
|
672 while ( tkn.HasMoreTokens() ) |
|
673 { |
|
674 TPtrC lToken = tkn.NextToken(); |
|
675 TLex lString ( lToken ); |
|
676 TReal32 val; |
|
677 if (lString.Val( val, '.' ) == KErrNone) |
|
678 { |
|
679 iArrayRotate->AppendL( val ); |
|
680 lCount++; |
|
681 } |
|
682 } |
|
683 |
|
684 if( lCount == 0) |
|
685 { |
|
686 if ( iArrayRotate ) |
|
687 { |
|
688 iArrayRotate->Reset(); |
|
689 delete iArrayRotate; |
|
690 iArrayRotate = NULL; |
|
691 } |
|
692 } |
|
693 |
|
694 } |
|
695 |
|
696 // --------------------------------------------------------------------------- |
|
697 //AA: Generic function to parse the "x" or "y" coordinate values |
|
698 // --------------------------------------------------------------------------- |
|
699 void CSvgTextElementImpl::SetArrayL( const TDesC& aValue , const TBool aIsX) |
|
700 { |
|
701 |
|
702 CArrayFixFlat<TFloatFixPt>* lArray; |
|
703 TFloatFixPt lPt; |
|
704 // the flag is used to determine which coodinate needs to be processed |
|
705 if(aIsX) |
|
706 { |
|
707 lArray=iArrayX; |
|
708 lPt=iPoint.iX; |
|
709 |
|
710 } |
|
711 else |
|
712 { |
|
713 lArray=iArrayY; |
|
714 lPt=iPoint.iY; |
|
715 } |
|
716 |
|
717 if ( lArray ) |
|
718 { |
|
719 lArray->Reset(); |
|
720 delete lArray; |
|
721 lArray = NULL; |
|
722 } |
|
723 |
|
724 lArray = new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
|
725 CleanupStack::PushL(lArray); |
|
726 |
|
727 if( (aValue.Length() > 0 ) && ( IsNumberAttributeValid(aValue) ) ) |
|
728 { |
|
729 TStringTokenizer tkn ( aValue, _L( ", " ) ); |
|
730 |
|
731 TInt lFirstXY = 0; |
|
732 |
|
733 TInt lCount = 0; |
|
734 |
|
735 while ( tkn.HasMoreTokens() ) |
|
736 { |
|
737 TPtrC lToken = tkn.NextToken(); |
|
738 TLex lString ( lToken ); |
|
739 TReal32 val; |
|
740 if (lString.Val( val, '.' ) == KErrNone) |
|
741 { |
|
742 if( val < -32765 ) |
|
743 val = -32765; |
|
744 if( val > 32765 ) |
|
745 val = 32765; |
|
746 |
|
747 if ( lFirstXY == 0 ) |
|
748 { |
|
749 lPt = val; |
|
750 lFirstXY = 1; |
|
751 } |
|
752 |
|
753 lArray->AppendL( ( TFloatFixPt ) val ); |
|
754 lCount++; |
|
755 } |
|
756 } |
|
757 |
|
758 if( lCount == 0) |
|
759 { |
|
760 lPt = TFloatFixPt( 0 ); |
|
761 lArray->AppendL( ( TFloatFixPt ) 0 ); |
|
762 } |
|
763 } |
|
764 else |
|
765 { |
|
766 lPt = TFloatFixPt( 0 ); |
|
767 lArray->AppendL( ( TFloatFixPt ) 0 ); |
|
768 |
|
769 } |
|
770 CleanupStack::Pop(lArray); |
|
771 |
|
772 if(aIsX) |
|
773 { |
|
774 iPoint.iX = lPt; |
|
775 iArrayX = lArray; |
|
776 } |
|
777 else |
|
778 { |
|
779 iPoint.iY = lPt; |
|
780 iArrayY = lArray; |
|
781 } |
|
782 // In case of fewer x and more y and |
|
783 // fewer y and more x, we need to append the last value of the |
|
784 // coordinate to the corresponding array to be used for all the |
|
785 // remaining characters. |
|
786 if ( iArrayY && iArrayX ) |
|
787 { |
|
788 |
|
789 TInt xCount=iArrayX->Count(); |
|
790 TInt yCount=iArrayY->Count(); |
|
791 TInt charCount=iText->Length(); |
|
792 |
|
793 // Either x or y should be having valid values. |
|
794 if(xCount>0 || yCount>0) |
|
795 { |
|
796 // Text has more characters than the x or y values. |
|
797 if(charCount>xCount||charCount>yCount) |
|
798 |
|
799 { |
|
800 // More y than x and More characters than x append last |
|
801 // value of the x coordinate. |
|
802 if((yCount>=xCount) && (charCount>xCount)) |
|
803 { |
|
804 iArrayX->AppendL(iArrayX->At(xCount-1), (charCount-xCount)); |
|
805 } |
|
806 // More x than y and More characters than y append last |
|
807 // value of the y coordinate. |
|
808 if((yCount<=xCount) && (charCount>yCount)) |
|
809 { |
|
810 iArrayY->AppendL(iArrayY->At(yCount-1), (charCount-yCount)); |
|
811 } |
|
812 } |
|
813 |
|
814 } |
|
815 } |
|
816 |
|
817 } |
|
818 |
|
819 // --------------------------------------------------------------------------- |
|
820 // |
|
821 // --------------------------------------------------------------------------- |
|
822 void CSvgTextElementImpl::SetX( CArrayFix<TFloatFixPt>* aX ) |
|
823 { |
|
824 if (aX->Count() > 0) |
|
825 { |
|
826 iPoint.iX = aX->At( 0 ); |
|
827 } |
|
828 } |
|
829 |
|
830 // --------------------------------------------------------------------------- |
|
831 // |
|
832 // --------------------------------------------------------------------------- |
|
833 void CSvgTextElementImpl::SetY( CArrayFix<TFloatFixPt>* aY ) |
|
834 { |
|
835 if (aY->Count() > 0) |
|
836 { |
|
837 iPoint.iY = aY->At( 0 ); |
|
838 } |
|
839 } |
|
840 |
|
841 // ******************************************************* |
|
842 // From MXmlElement |
|
843 |
|
844 // --------------------------------------------------------------------------- |
|
845 // |
|
846 // --------------------------------------------------------------------------- |
|
847 TInt CSvgTextElementImpl::SetAttributeL( const TDesC& aName, |
|
848 const TDesC& aValue ) |
|
849 { |
|
850 CSvgElementImpl::SetAttributeL(aName,aValue); |
|
851 return KErrNone; |
|
852 } |
|
853 |
|
854 |
|
855 // ******************************************************* |
|
856 // From MXmlElementOpt |
|
857 |
|
858 // --------------------------------------------------------------------------- |
|
859 // |
|
860 // --------------------------------------------------------------------------- |
|
861 TInt CSvgTextElementImpl::GetAttributeFloat( const TInt aNameId, |
|
862 TFloatFixPt& aValue ) |
|
863 { |
|
864 switch ( aNameId ) |
|
865 { |
|
866 case KAtrX: |
|
867 case KAtrRefX: |
|
868 aValue = iPoint.iX; |
|
869 break; |
|
870 case KAtrY: |
|
871 case KAtrRefY: |
|
872 aValue = iPoint.iY; |
|
873 break; |
|
874 default: |
|
875 return CSvgElementImpl::GetAttributeFloat( aNameId, aValue ); |
|
876 } |
|
877 return KErrNone; |
|
878 } |
|
879 // --------------------------------------------------------------------------- |
|
880 // |
|
881 // --------------------------------------------------------------------------- |
|
882 TInt CSvgTextElementImpl::SetAttributeFloatL( const TInt aNameId, |
|
883 const TFloatFixPt aValue ) |
|
884 { |
|
885 switch ( aNameId ) |
|
886 { |
|
887 case KAtrX: |
|
888 { |
|
889 iPoint.iX = aValue; |
|
890 if(!iArrayX) |
|
891 { |
|
892 iArrayX= new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
|
893 } |
|
894 |
|
895 iArrayX->Reset(); |
|
896 iArrayX->AppendL((TFloatFixPt)aValue); |
|
897 } |
|
898 break; |
|
899 case KAtrY: |
|
900 { |
|
901 iPoint.iY = aValue; |
|
902 if(!iArrayY) |
|
903 { |
|
904 iArrayY= new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
|
905 } |
|
906 |
|
907 iArrayY->Reset(); |
|
908 iArrayY->AppendL((TFloatFixPt)aValue); |
|
909 } |
|
910 break; |
|
911 |
|
912 |
|
913 default: |
|
914 return CSvgElementImpl::SetAttributeFloatL( aNameId, aValue ); |
|
915 } |
|
916 return KErrNone; |
|
917 } |
|
918 |
|
919 // --------------------------------------------------------------------------- |
|
920 // |
|
921 // --------------------------------------------------------------------------- |
|
922 TInt CSvgTextElementImpl::GetAttributeDes( const TInt aNameId, TPtrC16& aValue ) |
|
923 { |
|
924 switch ( aNameId ) |
|
925 { |
|
926 case KAtrCdata: |
|
927 aValue.Set(*iText); |
|
928 break; |
|
929 default: |
|
930 return CSvgElementImpl::GetAttributeDes( aNameId, aValue ); |
|
931 } |
|
932 return KErrNone; |
|
933 } |
|
934 // --------------------------------------------------------------------------- |
|
935 // |
|
936 // --------------------------------------------------------------------------- |
|
937 TInt CSvgTextElementImpl::SetAttributeDesL( const TInt aNameId, |
|
938 const TDesC& aValue ) |
|
939 { |
|
940 switch ( aNameId ) |
|
941 { |
|
942 case KAtrCdata: |
|
943 SetTextL( aValue ); |
|
944 break; |
|
945 |
|
946 case KAtrX: |
|
947 SetArrayL(aValue, ETrue); |
|
948 break; |
|
949 |
|
950 case KAtrY: |
|
951 SetArrayL(aValue, EFalse); |
|
952 break; |
|
953 |
|
954 case KAtrRotate: |
|
955 SetRotateL( aValue ); |
|
956 break; |
|
957 |
|
958 default: |
|
959 return CSvgElementImpl::SetAttributeDesL( aNameId, aValue ); |
|
960 } |
|
961 |
|
962 // check first character is number or '.' |
|
963 if ( aNameId == KAtrX || aNameId == KAtrY ) |
|
964 { |
|
965 if ( aValue.Length() == 0 || |
|
966 ( !TChar( aValue[0] ).IsDigit() && aValue[0] != '.' && aValue[0] != '-') ) |
|
967 { |
|
968 if ( iOwnerDocument ) |
|
969 { |
|
970 _LIT( KMsg, "Invalid value-string for number attribute: " ); |
|
971 ((CSvgDocumentImpl*)iOwnerDocument)->SetError( KErrNotFound, KMsg, aValue ); |
|
972 } |
|
973 } |
|
974 } |
|
975 return KErrNone; |
|
976 } |
|
977 |
|
978 |
|
979 // --------------------------------------------------------------------------- |
|
980 // This is a Local Function. |
|
981 // Checks to see if the given character is within the SVG Font's Unicode Range.* |
|
982 // Only the following formats are allowed for "unicode-range" attribute |
|
983 // Single numbers: U+20A7 | U+215? | U+00?? | U+E?? |
|
984 // Pair of numbers: U+AC00-D7FF | U+F9000-FAFF |
|
985 // --------------------------------------------------------------------------- |
|
986 TBool CSvgTextElementImpl::IsWithinUnicodeRange( const TDesC& aUnicodeRange, |
|
987 const TDesC& aCharacter ) |
|
988 { |
|
989 _LIT( KQQ, "??" ); |
|
990 _LIT( KQ, "?" ); |
|
991 _LIT( KF, "F" ); |
|
992 _LIT( KFF, "FF" ); |
|
993 _LIT( KLitZero, "0" ); |
|
994 _LIT( KZZero, "00" ); |
|
995 _LIT( KHyph, "-" ); |
|
996 _LIT( KUni, "U+" ); |
|
997 |
|
998 TUint32 lStartRange = 0; |
|
999 TUint32 lEndRange = 65536; |
|
1000 |
|
1001 TUint32 lCharacter = ( TUint32 ) aCharacter.operator[]( 0 ); |
|
1002 |
|
1003 TBuf<11> lUnicodeRange; |
|
1004 |
|
1005 if(aUnicodeRange.Length() <= 11) |
|
1006 lUnicodeRange = aUnicodeRange; //Max.Length "U+00AB-00AF" |
|
1007 else |
|
1008 return EFalse; //Length is greater than 11. |
|
1009 |
|
1010 TInt pos; |
|
1011 |
|
1012 |
|
1013 //Removing "U+" |
|
1014 pos = lUnicodeRange.Find( KUni ); |
|
1015 if ( pos != KErrNotFound ) |
|
1016 lUnicodeRange.Delete( pos, 2 ); |
|
1017 else |
|
1018 return EFalse; // Not a valid unicode range, i.e. not "U+" element |
|
1019 |
|
1020 //Finding "-", if yes, then pair found. |
|
1021 pos = lUnicodeRange.Find( KHyph ); |
|
1022 if ( pos != KErrNotFound )//found |
|
1023 { |
|
1024 TPtrC lStartString = lUnicodeRange.Left( pos ); |
|
1025 TLex lStart ( lStartString ); |
|
1026 if (lStart.Val( lStartRange, EHex ) != KErrNone) |
|
1027 lStartRange=0; |
|
1028 |
|
1029 TPtrC lEndString = lUnicodeRange.Right( lUnicodeRange.Length() - |
|
1030 pos - |
|
1031 1 ); |
|
1032 TLex lEnd ( lEndString ); |
|
1033 if (lEnd.Val( lEndRange, EHex ) != KErrNone) |
|
1034 lEndRange= 65536; |
|
1035 } |
|
1036 else //single number |
|
1037 { |
|
1038 pos = lUnicodeRange.Find( KQQ ); |
|
1039 if ( pos != KErrNotFound ) |
|
1040 { |
|
1041 lUnicodeRange.Replace( pos, 2, KZZero ); |
|
1042 TPtrC lStartString = lUnicodeRange.Left( pos + 2 ); |
|
1043 TLex lStart ( lStartString ); |
|
1044 if (lStart.Val( lStartRange, EHex ) != KErrNone) |
|
1045 lStartRange=0; |
|
1046 |
|
1047 lUnicodeRange.Replace( pos, 2, KFF ); |
|
1048 TPtrC lEndString = lUnicodeRange.Left( pos + 2 ); |
|
1049 TLex lEnd ( lEndString ); |
|
1050 if (lEnd.Val( lEndRange, EHex ) != KErrNone) |
|
1051 lEndRange= 65536; |
|
1052 } |
|
1053 |
|
1054 else if ( (pos = lUnicodeRange.Find( KQ ) ) != KErrNotFound ) |
|
1055 { |
|
1056 lUnicodeRange.Replace( pos, 1, KLitZero ); |
|
1057 TPtrC lStartString = lUnicodeRange.Left( pos + 1 ); |
|
1058 TLex lStart ( lStartString ); |
|
1059 if (lStart.Val( lStartRange, EHex ) != KErrNone) |
|
1060 lStartRange=0; |
|
1061 |
|
1062 lUnicodeRange.Replace( pos, 1, KF ); |
|
1063 TPtrC lEndString = lUnicodeRange.Left( pos + 1 ); |
|
1064 TLex lEnd ( lEndString ); |
|
1065 if (lEnd.Val( lEndRange, EHex ) != KErrNone) |
|
1066 lEndRange= 65536; |
|
1067 } |
|
1068 else |
|
1069 { |
|
1070 TLex lEnd ( lUnicodeRange ); |
|
1071 if (lEnd.Val( lEndRange, EHex ) != KErrNone) |
|
1072 lEndRange= 65536; |
|
1073 lStartRange = lEndRange; |
|
1074 } |
|
1075 } |
|
1076 |
|
1077 if ( ( lCharacter >= lStartRange ) && ( lCharacter <= lEndRange ) ) |
|
1078 return ETrue; |
|
1079 else |
|
1080 return EFalse; |
|
1081 } |
|
1082 |
|
1083 //Method to set kerning pairs u1 and u2. |
|
1084 // --------------------------------------------------------------------------- |
|
1085 // |
|
1086 // --------------------------------------------------------------------------- |
|
1087 void CSvgTextElementImpl::SetUKernPairsL( const TDesC& aU1, const TDesC& aU2 ) |
|
1088 { |
|
1089 if(iU1) |
|
1090 { |
|
1091 delete iU1; |
|
1092 iU1 = NULL; |
|
1093 } |
|
1094 iU1 = aU1.AllocL(); |
|
1095 if(iU2) |
|
1096 { |
|
1097 delete iU2; |
|
1098 iU2 = NULL; |
|
1099 } |
|
1100 iU2 = aU2.AllocL(); |
|
1101 |
|
1102 } |
|
1103 |
|
1104 |
|
1105 //Method to set kerning pairs g1 and g2. |
|
1106 // --------------------------------------------------------------------------- |
|
1107 // |
|
1108 // --------------------------------------------------------------------------- |
|
1109 void CSvgTextElementImpl::SetGKernPairsL( const TDesC& aG1, const TDesC& aG2 ) |
|
1110 { |
|
1111 |
|
1112 if(iG1) |
|
1113 { |
|
1114 delete iG1; |
|
1115 iG1 = NULL; |
|
1116 } |
|
1117 iG1 = aG1.AllocL(); |
|
1118 |
|
1119 if(iG2) |
|
1120 { |
|
1121 delete iG2; |
|
1122 iG2 = NULL; |
|
1123 } |
|
1124 iG2 = aG2.AllocL(); |
|
1125 |
|
1126 } |
|
1127 |
|
1128 |
|
1129 // --------------------------------------------------------------------------- |
|
1130 // This method checks to see whether kerning is required. |
|
1131 // --------------------------------------------------------------------------- |
|
1132 TBool CSvgTextElementImpl::IsKerningRequired( const TDesC& aPrevGlyphName, |
|
1133 const TDesC& aCurrGlyphName, |
|
1134 const TDesC& aPrevUnicode, |
|
1135 const TDesC& aCurrUnicode ) |
|
1136 { |
|
1137 _LIT( KGlyphNameNone, "GlyphNameNone"); |
|
1138 TBool lFoundG1(EFalse); |
|
1139 TBool lFoundG2(EFalse); |
|
1140 TBool lFoundU1(EFalse); |
|
1141 TBool lFoundU2(EFalse); |
|
1142 |
|
1143 //Finding G1 |
|
1144 if( aPrevGlyphName != KGlyphNameNone) |
|
1145 { |
|
1146 TStringTokenizer tkn1 ( iG1->Des(), _L( "," ) ); |
|
1147 while ( tkn1.HasMoreTokens() ) |
|
1148 { |
|
1149 TPtrC lToken = tkn1.NextToken(); |
|
1150 if( (lToken.Compare(aPrevGlyphName)) == 0 ) |
|
1151 { |
|
1152 lFoundG1 = ETrue; |
|
1153 break; |
|
1154 } |
|
1155 } |
|
1156 } |
|
1157 //Finding G2 |
|
1158 if( aCurrGlyphName != KGlyphNameNone) |
|
1159 { |
|
1160 TStringTokenizer tkn2 ( iG2->Des(), _L( "," ) ); |
|
1161 while ( tkn2.HasMoreTokens() ) |
|
1162 { |
|
1163 TPtrC lToken = tkn2.NextToken(); |
|
1164 if( (lToken.Compare(aCurrGlyphName)) == 0 ) |
|
1165 { |
|
1166 lFoundG2 = ETrue; |
|
1167 break; |
|
1168 } |
|
1169 } |
|
1170 } |
|
1171 //Finding U1 |
|
1172 TStringTokenizer tkn3 ( iU1->Des(), _L( "," ) ); |
|
1173 while ( tkn3.HasMoreTokens() ) |
|
1174 { |
|
1175 |
|
1176 TPtrC lToken = tkn3.NextToken(); |
|
1177 |
|
1178 if( lToken.Length() == 1) //Unicode character |
|
1179 { |
|
1180 if( (lToken.Compare(aPrevUnicode.Right(1))) == 0 ) |
|
1181 { |
|
1182 lFoundU1 = ETrue; |
|
1183 break; |
|
1184 } |
|
1185 |
|
1186 } |
|
1187 else // Unicode Range |
|
1188 { |
|
1189 if(IsWithinUnicodeRange( lToken, aPrevUnicode )) |
|
1190 lFoundU1 = ETrue; |
|
1191 break; |
|
1192 } |
|
1193 |
|
1194 } |
|
1195 |
|
1196 //Finding U2 |
|
1197 TStringTokenizer tkn4 ( iU2->Des(), _L( "," ) ); |
|
1198 while ( tkn4.HasMoreTokens() ) |
|
1199 { |
|
1200 |
|
1201 TPtrC lToken = tkn4.NextToken(); |
|
1202 |
|
1203 if( lToken.Length() == 1) //Unicode character |
|
1204 { |
|
1205 if( (lToken.Compare(aCurrUnicode.Left(1))) == 0 ) |
|
1206 { |
|
1207 lFoundU2 = ETrue; |
|
1208 break; |
|
1209 } |
|
1210 |
|
1211 } |
|
1212 else // Unicode Range |
|
1213 { |
|
1214 if(IsWithinUnicodeRange( lToken, aCurrUnicode )) |
|
1215 { |
|
1216 lFoundU2 = ETrue; |
|
1217 break; |
|
1218 } |
|
1219 } |
|
1220 |
|
1221 } |
|
1222 |
|
1223 if ( (lFoundG1 || lFoundU1) && (lFoundG2 || lFoundU2) ) |
|
1224 return ETrue; |
|
1225 else |
|
1226 return EFalse; |
|
1227 } |
|
1228 |
|
1229 |
|
1230 // ******************************************************* |
|
1231 // From CSvgElementImpl |
|
1232 |
|
1233 // perform a deep clone of this object |
|
1234 // --------------------------------------------------------------------------- |
|
1235 // |
|
1236 // --------------------------------------------------------------------------- |
|
1237 MXmlElement* CSvgTextElementImpl::CloneL(MXmlElement* aParentElement) |
|
1238 { |
|
1239 |
|
1240 CSvgTextElementImpl* newElement = CSvgTextElementImpl::NewL( this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) ); |
|
1241 |
|
1242 CleanupStack::PushL(newElement); |
|
1243 newElement->iParentNode = aParentElement; |
|
1244 // copy everything over |
|
1245 this->CopyL(newElement); |
|
1246 CleanupStack::Pop(); |
|
1247 return newElement; |
|
1248 } |
|
1249 |
|
1250 // --------------------------------------------------------------------------- |
|
1251 // perform a deep copy of this object |
|
1252 // --------------------------------------------------------------------------- |
|
1253 void CSvgTextElementImpl::CopyL( CSvgTextElementImpl* aDestElement ) |
|
1254 { |
|
1255 if(aDestElement) |
|
1256 { |
|
1257 |
|
1258 // copy stuff from superclass |
|
1259 this->CSvgElementImpl::CopyL(aDestElement); |
|
1260 |
|
1261 if(this->iText) |
|
1262 { |
|
1263 delete aDestElement->iText; |
|
1264 aDestElement->iText= NULL; |
|
1265 aDestElement->iText= (this->iText)->AllocL(); |
|
1266 } |
|
1267 aDestElement->iPoint.iX= this->iPoint.iX; |
|
1268 aDestElement->iPoint.iY= this->iPoint.iY; |
|
1269 |
|
1270 aDestElement->iLetterSpacing= this->iLetterSpacing; |
|
1271 aDestElement->iWordSpacing= this->iWordSpacing; |
|
1272 aDestElement->iRotate= this->iRotate; |
|
1273 |
|
1274 //iFamilies |
|
1275 if(this->iFamilies) |
|
1276 { |
|
1277 TInt lCount= (this->iFamilies)->Count(); |
|
1278 if(lCount) |
|
1279 { |
|
1280 if(aDestElement->iFamilies) |
|
1281 { |
|
1282 aDestElement->iFamilies->Reset(); |
|
1283 delete aDestElement->iFamilies; |
|
1284 aDestElement->iFamilies = NULL; |
|
1285 } |
|
1286 aDestElement->iFamilies = new ( ELeave ) CDesCArrayFlat( 1 ); |
|
1287 for(TInt i=0; i<lCount; i++) |
|
1288 { |
|
1289 TPtrC lPtr= (this->iFamilies)->operator[](i); |
|
1290 aDestElement->iFamilies->AppendL(lPtr); |
|
1291 } |
|
1292 } |
|
1293 } |
|
1294 |
|
1295 //iArraX |
|
1296 if(this->iArrayX) |
|
1297 { |
|
1298 TInt lCount= (this->iArrayX)->Count(); |
|
1299 if(lCount) |
|
1300 { |
|
1301 if(aDestElement->iArrayX) |
|
1302 { |
|
1303 aDestElement->iArrayX->Reset(); |
|
1304 delete aDestElement->iArrayX; |
|
1305 aDestElement->iArrayX = NULL; |
|
1306 } |
|
1307 aDestElement->iArrayX = new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
|
1308 for(TInt i=0; i<lCount; i++) |
|
1309 { |
|
1310 TFloatFixPt lFix= (this->iArrayX)->operator[](i); |
|
1311 aDestElement->iArrayX->AppendL(lFix); |
|
1312 } |
|
1313 } |
|
1314 } |
|
1315 |
|
1316 //iArrayY |
|
1317 if(this->iArrayY) |
|
1318 { |
|
1319 TInt lCount= (this->iArrayY)->Count(); |
|
1320 if(lCount) |
|
1321 { |
|
1322 if(aDestElement->iArrayY) |
|
1323 { |
|
1324 aDestElement->iArrayY->Reset(); |
|
1325 delete aDestElement->iArrayY; |
|
1326 aDestElement->iArrayY = NULL; |
|
1327 } |
|
1328 aDestElement->iArrayY = new ( ELeave ) CArrayFixFlat<TFloatFixPt>( 1 ); |
|
1329 for(TInt i=0; i<lCount; i++) |
|
1330 { |
|
1331 TFloatFixPt lFix= (this->iArrayY)->operator[](i); |
|
1332 aDestElement->iArrayY->AppendL(lFix); |
|
1333 } |
|
1334 } |
|
1335 } |
|
1336 |
|
1337 // iArrayRotate |
|
1338 if(this->iArrayRotate) |
|
1339 { |
|
1340 TInt lCount= (this->iArrayRotate)->Count(); |
|
1341 if(lCount) |
|
1342 { |
|
1343 if(aDestElement->iArrayRotate) |
|
1344 { |
|
1345 aDestElement->iArrayRotate->Reset(); |
|
1346 delete aDestElement->iArrayRotate; |
|
1347 aDestElement->iArrayRotate = NULL; |
|
1348 } |
|
1349 aDestElement->iArrayRotate = new ( ELeave ) CArrayFixFlat<TReal32>( 1 ); |
|
1350 for(TInt i=0; i<lCount; i++) |
|
1351 { |
|
1352 TReal32 lFix= (this->iArrayRotate)->operator[](i); |
|
1353 aDestElement->iArrayRotate->AppendL(lFix); |
|
1354 } |
|
1355 } |
|
1356 } |
|
1357 |
|
1358 ///////////////////Cloning the glyph elements/////////////////////// |
|
1359 TInt lCount= (this->iGlyphElements).Count(); |
|
1360 if(lCount) |
|
1361 { |
|
1362 for(TInt i=0; i<lCount; i++) |
|
1363 { |
|
1364 CSvgElementImpl* element = (this->iGlyphElements).operator[](i); |
|
1365 aDestElement->iGlyphElements.AppendL(element); |
|
1366 } |
|
1367 } |
|
1368 |
|
1369 |
|
1370 aDestElement->iNeedToCacheGlyphs = this->iNeedToCacheGlyphs; |
|
1371 |
|
1372 ////////////////////////////////////////////////////////////////////// |
|
1373 aDestElement->iTextAnchor= this->iTextAnchor; |
|
1374 aDestElement->iTextDecoration= this->iTextDecoration; |
|
1375 |
|
1376 if(this->iG1) |
|
1377 { |
|
1378 delete aDestElement->iG1; |
|
1379 aDestElement->iG1= NULL; |
|
1380 aDestElement->iG1= (this->iG1)->AllocL(); |
|
1381 } |
|
1382 |
|
1383 if(this->iG2) |
|
1384 { |
|
1385 delete aDestElement->iG2; |
|
1386 aDestElement->iG2= NULL; |
|
1387 aDestElement->iG2= (this->iG2)->AllocL(); |
|
1388 } |
|
1389 |
|
1390 if(this->iU1) |
|
1391 { |
|
1392 delete aDestElement->iU1; |
|
1393 aDestElement->iU1= NULL; |
|
1394 aDestElement->iU1= (this->iU1)->AllocL(); |
|
1395 } |
|
1396 |
|
1397 if(this->iU2) |
|
1398 { |
|
1399 delete aDestElement->iU2; |
|
1400 aDestElement->iU2= NULL; |
|
1401 aDestElement->iU2= (this->iU2)->AllocL(); |
|
1402 } |
|
1403 |
|
1404 //Note that copying iBitmapFont from one text element to |
|
1405 //another, there is danger of double free. Let new element |
|
1406 //get its own Font pointer. Anyway it just updates the |
|
1407 //access count on the server side if two fonts are same. |
|
1408 //aDestElement->iBitmapFont= this->iBitmapFont; |
|
1409 aDestElement->iBitmapFont= NULL; |
|
1410 |
|
1411 |
|
1412 // copy the reference to idoc (CSvgDocumentImpl) |
|
1413 aDestElement->iOwnerDocument = this->iOwnerDocument; |
|
1414 } |
|
1415 |
|
1416 } |
|
1417 |
|
1418 // --------------------------------------------------------------------------- |
|
1419 // This Method is used to draw the TEXT described within the <text> element. |
|
1420 // There are 2 types of Fonts used to render the text. First, the family-name |
|
1421 // is checked to see if there exists a SVG FONT defined within the SVG File. |
|
1422 // If there is one, then text is rendered using this font, else the text is |
|
1423 // rendered using the Bitmap system fonts using the Drawstring() in Gfx2D. |
|
1424 // --------------------------------------------------------------------------- |
|
1425 TBool CSvgTextElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement ) |
|
1426 { |
|
1427 if (iText->Length() == 0) |
|
1428 { |
|
1429 return EFalse; |
|
1430 } |
|
1431 |
|
1432 // Reset and set GC |
|
1433 this->DrawShapeL( aGc, aElement ); |
|
1434 //if ( !aGc->RenderingHints()->Visibility() ) |
|
1435 // return EFalse; // Do nothing if visibility is False. |
|
1436 |
|
1437 |
|
1438 TInt8 lTextDecoration = (TInt8) |
|
1439 (((CIntCssValueImpl *)(iSvgStyleProperties->operator[](KCSS_ATTR_TEXTDECORATION)))->Value()); |
|
1440 |
|
1441 TInt8 lTextAnchor =(TInt8)( |
|
1442 ((CIntCssValueImpl *)(iSvgStyleProperties->operator[](KCSS_ATTR_TEXTANCHOR)))->Value()); |
|
1443 |
|
1444 /**********************************************************/ |
|
1445 /* ROM Configuration Flag whether to include SVG FONTS */ |
|
1446 /**********************************************************/ |
|
1447 |
|
1448 //get the scaling factor currently in the graphics library. |
|
1449 |
|
1450 TFloatFixPt KZero; |
|
1451 |
|
1452 //CSvgElementImpl* lFirstChild = NULL; |
|
1453 CGfxGeneralPath* lShape = NULL; |
|
1454 CGfxGeneralPath* lShapeMG = NULL; |
|
1455 TFloatFixPt origX ( iPoint.iX ); |
|
1456 TFloatFixPt currentPosOrigX( iPoint.iX ); |
|
1457 /*iSVGBbox.iX = iPoint.iX; |
|
1458 iSVGBbox.iY = iPoint.iY; |
|
1459 iSVGBbox.iWidth = 0;*/ |
|
1460 TFloatFixPt currentPosOrigY( iPoint.iY ); |
|
1461 TFloatFixPt lUnitsPerEm( 1000 ); |
|
1462 TFloatFixPt lAlphabetic( 0 ); |
|
1463 TFloatFixPt lFontHorzOrgX( 0 ); |
|
1464 TFloatFixPt lFontHorzAdvX( 0 ); |
|
1465 TFloatFixPt lMissingGlyphHorzAdvX( 0 ); |
|
1466 TFloatFixPt lFontSize( 10 ); |
|
1467 TPtrC lFontFamily; |
|
1468 TPtrC16 lUnicode; |
|
1469 TPtrC16 lPrevUnicode; |
|
1470 TPtrC16 lUnicodeRange; //Max.Length "U+00AB-00AF" |
|
1471 TPtrC16 lLangCode; //ex: en-US or en-GB or ja-JP or zh-CN or en.... |
|
1472 TPtrC16 lG1; |
|
1473 TPtrC16 lG2; |
|
1474 TPtrC16 lU1; |
|
1475 TPtrC16 lU2; |
|
1476 TPtrC16 lPrevGlyphName; |
|
1477 TPtrC16 lCurrGlyphName; |
|
1478 TFloatFixPt lK; //kerning purpose.... |
|
1479 |
|
1480 TFloatFixPt lAscent( KZero ); |
|
1481 TFloatFixPt lDescent( KZero ); |
|
1482 TFloatFixPt lUnderlinePosition( KZero ); |
|
1483 TFloatFixPt lUnderlineThickness( KZero ); |
|
1484 TFloatFixPt lOverlinePosition( KZero ); |
|
1485 TFloatFixPt lOverlineThickness( KZero ); |
|
1486 TFloatFixPt lStrikethroughPosition( KZero ); |
|
1487 TFloatFixPt lStrikethroughThickness( KZero ); |
|
1488 TFloatFixPt lTotalTextAdvance ( KZero ); |
|
1489 |
|
1490 //Getting font-size property |
|
1491 |
|
1492 CCssValue* lCssValue = NULL; |
|
1493 this->FindProperty( KCSS_ATTR_FONTSIZE, lCssValue, aElement ); |
|
1494 if ( lCssValue ) |
|
1495 { |
|
1496 lFontSize = (( CFloatCssValueImpl * ) lCssValue )->Value(); |
|
1497 if(lFontSize <= KZero ) |
|
1498 lFontSize = TFloatFixPt ( 10 ); |
|
1499 } |
|
1500 |
|
1501 //Getting font-family property |
|
1502 this->FindProperty( KCSS_ATTR_FONTFAMILY, lCssValue, aElement ); |
|
1503 if ( lCssValue && ((( CStrCssValueImpl * ) lCssValue )->Value()).Length() != 0) |
|
1504 { |
|
1505 lFontFamily.Set( ( ( CStrCssValueImpl * ) lCssValue )->Value() ); |
|
1506 SetFontFamilyL( lFontFamily ); |
|
1507 } |
|
1508 |
|
1509 |
|
1510 //attempt to load svg font files of same font family name |
|
1511 //this boolean will be a problem if we want to be able to swap |
|
1512 //font-family names on the fly and use svg fonts. |
|
1513 if (!iTriedLoadingSVGFonts) |
|
1514 { |
|
1515 LoadExternalSVGFontL(lFontFamily); |
|
1516 iTriedLoadingSVGFonts = ETrue; |
|
1517 } |
|
1518 |
|
1519 //Retrieving Font Element Pointer from the Font Table |
|
1520 //if font in svg document |
|
1521 iSVGFont = NULL; |
|
1522 if ( iFamilies != NULL ) |
|
1523 { |
|
1524 TInt familiesCnt = iFamilies->Count(); |
|
1525 for (int i=0; i< familiesCnt; i++) |
|
1526 { |
|
1527 iSVGFont = ( CSvgElementImpl * ) |
|
1528 ((CSvgDocumentImpl*)iOwnerDocument)->Engine()->iFontHashMap->GetFontPtr(iFamilies->operator[]( i )); |
|
1529 |
|
1530 if (iSVGFont == NULL) |
|
1531 { |
|
1532 iSVGFont = ( CSvgElementImpl * ) |
|
1533 ((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap->GetFontPtr( iFamilies->operator[]( i ) ); |
|
1534 } |
|
1535 |
|
1536 if (iSVGFont != NULL) |
|
1537 { |
|
1538 //found a font with that family name...continue |
|
1539 break; |
|
1540 } |
|
1541 } |
|
1542 } |
|
1543 |
|
1544 /**********************************************************/ |
|
1545 /* Checking for pre-defined SVG Fonts through the */ |
|
1546 /* retrieved pointer from the Font Table. */ |
|
1547 /* IF the Font is found (ptr!=NULL), SVG Fonts are used */ |
|
1548 /* ELSE Bitmap Font is used through DrawString() method */ |
|
1549 /**********************************************************/ |
|
1550 |
|
1551 if ( iSVGFont != NULL && iSVGFont->HasChildNodes()) |
|
1552 { |
|
1553 TGfxAffineTransform currentTM; |
|
1554 //we found an svg font and are using it... |
|
1555 |
|
1556 iSVGFont->GetAttributeFloat( KAtrHorizOriginX, lFontHorzOrgX ); |
|
1557 iSVGFont->GetAttributeFloat( KAtrHorizAdvX, lFontHorzAdvX ); |
|
1558 lMissingGlyphHorzAdvX = lFontHorzAdvX; //Default Value |
|
1559 TInt checkErrShapeMG = -1;//To keep a value other than KErrNone. Should this be replaced |
|
1560 |
|
1561 if (iNeedToCacheGlyphs) |
|
1562 { |
|
1563 CacheGlyphsForText(); |
|
1564 } |
|
1565 |
|
1566 TFloatFixPt lUnitsPerEmInverse; |
|
1567 TFloatFixPt minusOne( -1 ); |
|
1568 |
|
1569 /***********************/ |
|
1570 /* HKERN ELEMENT */ |
|
1571 /***********************/ |
|
1572 if (iHkernElement != NULL) |
|
1573 { |
|
1574 iHkernElement->GetAttributeFloat( KAtrK, lK ); |
|
1575 |
|
1576 TInt checkErrorG1 = iHkernElement->GetAttributeDes( KAtrG1, lG1); |
|
1577 TInt checkErrorG2 = iHkernElement->GetAttributeDes( KAtrG2, lG2); |
|
1578 TInt checkErrorU1 = iHkernElement->GetAttributeDes( KAtrU1, lU1); |
|
1579 TInt checkErrorU2 = iHkernElement->GetAttributeDes( KAtrU2, lU2); |
|
1580 |
|
1581 if( (checkErrorG1 != KErrNoAttribute) && (checkErrorG2 != KErrNoAttribute) ) |
|
1582 { |
|
1583 SetGKernPairsL( lG1, lG2); |
|
1584 } |
|
1585 |
|
1586 if( (checkErrorU1 != KErrNoAttribute) && (checkErrorU2 != KErrNoAttribute) ) |
|
1587 { |
|
1588 SetUKernPairsL( lU1, lU2); |
|
1589 } |
|
1590 } |
|
1591 |
|
1592 /********************************/ |
|
1593 /* Text Rendering functionality */ |
|
1594 /*******************************/ |
|
1595 |
|
1596 /***********************/ |
|
1597 /* MISSINGGLYPH ELEMENT*/ |
|
1598 /***********************/ |
|
1599 if (iMissingGlyphElement != NULL) |
|
1600 { |
|
1601 iMissingGlyphElement->GetAttributeFloat( KAtrHorizAdvX, |
|
1602 lMissingGlyphHorzAdvX ); |
|
1603 |
|
1604 if ( lMissingGlyphHorzAdvX == TFloatFixPt( 0 ) ) |
|
1605 { |
|
1606 lMissingGlyphHorzAdvX = lFontHorzAdvX; |
|
1607 } |
|
1608 |
|
1609 checkErrShapeMG = iMissingGlyphElement->GetAttributePath( KAtrData, |
|
1610 lShapeMG ); |
|
1611 } |
|
1612 |
|
1613 /***********************/ |
|
1614 /* FONTFACE ELEMENT */ |
|
1615 /***********************/ |
|
1616 |
|
1617 if (iFontFaceElement != NULL) |
|
1618 { |
|
1619 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, |
|
1620 lUnitsPerEm ); |
|
1621 |
|
1622 #ifdef SVG_FLOAT_BUILD |
|
1623 if ( lUnitsPerEm <= TFloatFixPt( 0 ) ) |
|
1624 { |
|
1625 lUnitsPerEm = TFloatFixPt( 1000 ); |
|
1626 } |
|
1627 #else |
|
1628 if ( lUnitsPerEm <= TFloatFixPt( 0,ETrue ) ) |
|
1629 { |
|
1630 lUnitsPerEm = TFloatFixPt( 1000 ); |
|
1631 } |
|
1632 #endif |
|
1633 lUnitsPerEmInverse = TFloatFixPt( 1 ) / lUnitsPerEm; |
|
1634 |
|
1635 iFontFaceElement->GetAttributeFloat( KAtrAscent, |
|
1636 lAscent ); |
|
1637 |
|
1638 iFontFaceElement->GetAttributeFloat( KAtrDescent, |
|
1639 lDescent ); |
|
1640 |
|
1641 iFontFaceElement->GetAttributeFloat( KAtrUnderlinePosition, |
|
1642 lUnderlinePosition ); |
|
1643 |
|
1644 iFontFaceElement->GetAttributeFloat( KAtrUnderlineThickness, |
|
1645 lUnderlineThickness ); |
|
1646 |
|
1647 iFontFaceElement->GetAttributeFloat( KAtrOverlinePosition, |
|
1648 lOverlinePosition ); |
|
1649 |
|
1650 iFontFaceElement->GetAttributeFloat( KAtrOverlineThickness, |
|
1651 lOverlineThickness ); |
|
1652 |
|
1653 iFontFaceElement->GetAttributeFloat( KAtrStrikethroughPosition, |
|
1654 lStrikethroughPosition ); |
|
1655 |
|
1656 iFontFaceElement->GetAttributeFloat( KAtrStrikethroughThickness, |
|
1657 lStrikethroughThickness ); |
|
1658 |
|
1659 iFontFaceElement->GetAttributeFloat( KAtrAlphabetic, |
|
1660 lAlphabetic ); |
|
1661 } |
|
1662 |
|
1663 //Checking valid UnicodeRange of FontFace Element this is trying to limit the number that we have to search through |
|
1664 //but why do we need this in here |
|
1665 |
|
1666 /*TInt checkErrorUnicodeRange = iFontFaceElement->GetAttributeDes( KAtrUnicodeRange, |
|
1667 lUnicodeRange ); |
|
1668 if ( checkErrorUnicodeRange != KErrNoAttribute ) |
|
1669 { |
|
1670 //Function call to unicode-range bounds. |
|
1671 if(!IsWithinUnicodeRange( lUnicodeRange, |
|
1672 outputChar )) |
|
1673 { |
|
1674 currentPosOrigX += ( lFontHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
1675 lIsWithinUnicodeRange = EFalse; |
|
1676 break; |
|
1677 } |
|
1678 }*/ |
|
1679 |
|
1680 //Text Anchor related. |
|
1681 //lTotalTextAdvance = lFontHorzAdvX * (TFloatFixPt)iText->Length() * lUnitsPerEmInverse * lFontSize; |
|
1682 // Calculate the exact total text advance instead of taking default per glyph |
|
1683 // advance which will approximate the value. |
|
1684 TFloatFixPt lGlyphHorzAdvX; |
|
1685 TInt langCodeFound( 0 ); |
|
1686 // Calculate the total text advance in the following cases: |
|
1687 // a. Text Anchor is middle |
|
1688 // b. Text Anchor is end |
|
1689 // c. Text Decoration is needed( Underline/Overline/Strikethrough ) |
|
1690 if( lTextAnchor == 1 || lTextAnchor == 2 || lTextDecoration != -1 ) |
|
1691 { |
|
1692 lTotalTextAdvance= GetTotalTextAdvance(lK,lUnitsPerEmInverse,lFontSize,lMissingGlyphHorzAdvX,lFontHorzAdvX); |
|
1693 } |
|
1694 |
|
1695 if( lTextAnchor == 1 )//Middle |
|
1696 { |
|
1697 currentPosOrigX -= (lTotalTextAdvance * TFloatFixPt(.5f)); |
|
1698 origX -= (lTotalTextAdvance * TFloatFixPt(.5f)); |
|
1699 } |
|
1700 |
|
1701 if( lTextAnchor == 2 )//End |
|
1702 { |
|
1703 currentPosOrigX -= lTotalTextAdvance; |
|
1704 origX -= lTotalTextAdvance; |
|
1705 } |
|
1706 //else default:start |
|
1707 |
|
1708 if( lAlphabetic != KZero ) |
|
1709 { |
|
1710 //Should be rationally negative, but Adobe traverses positive. |
|
1711 currentPosOrigY += ( lAlphabetic * lUnitsPerEmInverse ) * lFontSize; |
|
1712 } |
|
1713 |
|
1714 if( lFontHorzOrgX != KZero ) |
|
1715 { |
|
1716 //Should be rationally positive, but Adobe traverses negative. |
|
1717 currentPosOrigX -= ( lFontHorzOrgX * lUnitsPerEmInverse ) * lFontSize; |
|
1718 origX -= ( lFontHorzOrgX * lUnitsPerEmInverse ) * lFontSize; |
|
1719 } |
|
1720 |
|
1721 /***********************/ |
|
1722 /* GLYPH ELEMENT */ |
|
1723 /***********************/ |
|
1724 //Assume that xml:lang matches lang code of glyph element. |
|
1725 //TInt lUnicodeLength( 0 ); |
|
1726 |
|
1727 //The x coordinate is needed to draw the text decorations. |
|
1728 if(iArrayX) |
|
1729 { |
|
1730 origX=iArrayX->At(0); |
|
1731 } |
|
1732 TInt glyphEleCnt = iGlyphElements.Count(); |
|
1733 for (TInt i=0; i < glyphEleCnt; i++) |
|
1734 { |
|
1735 CSvgElementImpl* lGlyphElement = (CSvgElementImpl*)iGlyphElements[i]; |
|
1736 |
|
1737 if (lGlyphElement != NULL) |
|
1738 { |
|
1739 //have a valid glyph |
|
1740 TInt checkErrorUnicode = lGlyphElement->GetAttributeDes( KAtrUnicode, |
|
1741 lUnicode ); |
|
1742 //check the glyph name |
|
1743 TInt checkErrorGlyphName = lGlyphElement->GetAttributeDes( KAtrGlyphName, |
|
1744 lCurrGlyphName ); |
|
1745 if( checkErrorGlyphName == KErrNoAttribute ) |
|
1746 { |
|
1747 lCurrGlyphName.Set( KGlyphNameNone ); |
|
1748 } |
|
1749 |
|
1750 //check its language |
|
1751 TInt checkErrorLangCode = lGlyphElement->GetAttributeDes( KAtrLang, |
|
1752 lLangCode ); |
|
1753 TPtrC lXmlLangAttr(this->XMLLang()); |
|
1754 |
|
1755 if( checkErrorLangCode != KErrNoAttribute ) //if Lang code present |
|
1756 { |
|
1757 langCodeFound = lLangCode.CompareF( lXmlLangAttr );//compare xml:lang with Lang code. |
|
1758 } |
|
1759 |
|
1760 //if Lang code is matching && unicode attr. present, we are good. |
|
1761 if ( (checkErrorUnicode != KErrNoAttribute) && (langCodeFound == 0) ) |
|
1762 { |
|
1763 //Checking and Introducing kerning(adjusting spacing). |
|
1764 if( lPrevGlyphName.Length() > 0 ) |
|
1765 { |
|
1766 if( IsKerningRequired( lPrevGlyphName, lCurrGlyphName, lPrevUnicode, lUnicode )) |
|
1767 { |
|
1768 currentPosOrigX -= ( lK * lUnitsPerEmInverse ) * lFontSize; |
|
1769 } |
|
1770 } |
|
1771 |
|
1772 lGlyphElement->GetAttributeFloat( KAtrHorizAdvX, |
|
1773 lGlyphHorzAdvX ); |
|
1774 |
|
1775 #ifdef SVG_FLOAT_BUILD |
|
1776 if ( lGlyphHorzAdvX == TFloatFixPt( 0 ) ) |
|
1777 #else |
|
1778 if ( lGlyphHorzAdvX == TFloatFixPt( 0,ETrue ) ) |
|
1779 #endif |
|
1780 { |
|
1781 lGlyphHorzAdvX = /*(TFloatFixPt)lUnicodeLength **/ lFontHorzAdvX; |
|
1782 } |
|
1783 |
|
1784 TInt checkErrorShape = lGlyphElement->GetAttributePath( KAtrData, |
|
1785 lShape ); |
|
1786 /***********************/ |
|
1787 /* Drawing the Glyph */ |
|
1788 /***********************/ |
|
1789 if ( checkErrorShape == KErrNone ) |
|
1790 { |
|
1791 this->DrawShapeL( aGc, aElement ); |
|
1792 |
|
1793 // Fix for UMAA-753ARS |
|
1794 // Scale the strokewidth before applying |
|
1795 // the scaling for glyph |
|
1796 ScaleStrokeWidth(aGc); |
|
1797 |
|
1798 // For multiple x, y get the current position |
|
1799 // from the array. |
|
1800 if((iArrayX != NULL ) && ( i< iArrayX->Count() )) |
|
1801 { |
|
1802 currentPosOrigX = iArrayX->At(i); |
|
1803 } |
|
1804 if((iArrayY!=NULL) && (i<iArrayY->Count() ) ) |
|
1805 { |
|
1806 currentPosOrigY = iArrayY->At(i); |
|
1807 } |
|
1808 |
|
1809 currentTM = this->GetCTM(); |
|
1810 |
|
1811 currentTM.Translate( currentPosOrigX, |
|
1812 currentPosOrigY ); |
|
1813 currentTM.Scale( lUnitsPerEmInverse, |
|
1814 minusOne * lUnitsPerEmInverse ); |
|
1815 currentTM.Scale( lFontSize, lFontSize ); |
|
1816 aGc->SetTransform( currentTM ); |
|
1817 |
|
1818 aGc->DrawL( lShape ); |
|
1819 |
|
1820 lPrevUnicode.Set(lUnicode); |
|
1821 lPrevGlyphName.Set(lCurrGlyphName); |
|
1822 |
|
1823 currentPosOrigX += ( lGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
1824 |
|
1825 } |
|
1826 } |
|
1827 |
|
1828 } |
|
1829 else |
|
1830 { |
|
1831 //need to use missing glyph for this one... |
|
1832 //iGlyphElements.Insert(iMissingGlyphElement, i); |
|
1833 |
|
1834 /***********************/ |
|
1835 /* Drawing MissingGlyph*/ |
|
1836 /***********************/ |
|
1837 |
|
1838 if ( checkErrShapeMG == KErrNone ) |
|
1839 { |
|
1840 this->DrawShapeL( aGc, aElement ); |
|
1841 |
|
1842 // Fix for UMAA-753ARS |
|
1843 // Scale the strokewidth before applying |
|
1844 // the scaling for glyph |
|
1845 ScaleStrokeWidth(aGc); |
|
1846 |
|
1847 // For multiple x, y get the current position |
|
1848 // from the array. |
|
1849 if((iArrayX != NULL ) && ( i< iArrayX->Count() )) |
|
1850 { |
|
1851 currentPosOrigX = iArrayX->At(i); |
|
1852 } |
|
1853 if((iArrayY!=NULL) && (i<iArrayY->Count() ) ) |
|
1854 { |
|
1855 currentPosOrigY = iArrayY->At(i); |
|
1856 } |
|
1857 currentTM = this->GetCTM(); |
|
1858 |
|
1859 currentTM.Translate( currentPosOrigX, currentPosOrigY ); |
|
1860 currentTM.Scale( lUnitsPerEmInverse, |
|
1861 minusOne * lUnitsPerEmInverse ); |
|
1862 currentTM.Scale( lFontSize, lFontSize ); |
|
1863 aGc->SetTransform( currentTM ); |
|
1864 |
|
1865 aGc->DrawL( lShapeMG ); |
|
1866 } |
|
1867 |
|
1868 currentPosOrigX += ( lMissingGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
1869 |
|
1870 } |
|
1871 }//end-for |
|
1872 TGfxRectangle2D lBbox; |
|
1873 if(iGlyphElements[glyphEleCnt-1] && lShape) |
|
1874 { |
|
1875 // Get the bbox for the last glyph element. |
|
1876 lShape->GetBounds(currentTM,lBbox); |
|
1877 } |
|
1878 else if ( lShapeMG ) |
|
1879 { |
|
1880 // Get the bbox for the last missing-glyph element. |
|
1881 lShapeMG->GetBounds(currentTM,lBbox); |
|
1882 } |
|
1883 currentPosOrigX=lBbox.iX+lBbox.iWidth; |
|
1884 /**********************************************************/ |
|
1885 /* Text Decoration Implementation for SVG Fonts */ |
|
1886 /* The following attributes are supported in this section */ |
|
1887 /* "underline-position" */ |
|
1888 /* "underline-thickness" */ |
|
1889 /* "overline-position" */ |
|
1890 /* "overline-thickness" */ |
|
1891 /* "strikethrough-position" */ |
|
1892 /* "strikethrough-thickness" */ |
|
1893 /**********************************************************/ |
|
1894 |
|
1895 if( lTextDecoration != -1 ) |
|
1896 { |
|
1897 TFloatFixPt lLineStartX( origX );//Text Anchored position(see under fontfaceFound section). |
|
1898 TFloatFixPt lLineStartY( currentPosOrigY ); |
|
1899 TFloatFixPt lLineEndX( origX + lTotalTextAdvance ); |
|
1900 TFloatFixPt lLineEndY( currentPosOrigY ); |
|
1901 TFloatFixPt lStrokeThickness ( 1 );//default thickness > 0; pensize is set to 1 in Gfx2D. |
|
1902 |
|
1903 if( lTextDecoration == 1 ) |
|
1904 { |
|
1905 if( lUnderlinePosition != KZero ) |
|
1906 { |
|
1907 //negative(minus sign) due to inverted font coordinate system |
|
1908 lLineStartY = lLineEndY = currentPosOrigY - (lUnderlinePosition * lUnitsPerEmInverse) * lFontSize; |
|
1909 } |
|
1910 else if( lUnderlinePosition == KZero && lDescent != KZero ) |
|
1911 { |
|
1912 lLineStartY = lLineEndY = currentPosOrigY - ((lDescent/TFloatFixPt(2)) * lUnitsPerEmInverse) * lFontSize; |
|
1913 } |
|
1914 else |
|
1915 { |
|
1916 //default. No information provided( descent or underline position) |
|
1917 } |
|
1918 if( lUnderlineThickness != KZero ) |
|
1919 { |
|
1920 lStrokeThickness = lUnderlineThickness * lUnitsPerEmInverse * lFontSize ; |
|
1921 } |
|
1922 } |
|
1923 |
|
1924 if( lTextDecoration == 2 ) |
|
1925 { |
|
1926 if( lOverlinePosition != KZero ) |
|
1927 { |
|
1928 //negative(minus sign) due to inverted font coordinate system |
|
1929 lLineStartY = lLineEndY = currentPosOrigY - (lOverlinePosition * lUnitsPerEmInverse) * lFontSize; |
|
1930 } |
|
1931 else if( lOverlinePosition == KZero && lAscent != KZero ) |
|
1932 { |
|
1933 lLineStartY = lLineEndY = currentPosOrigY - (lAscent * lUnitsPerEmInverse) * lFontSize; |
|
1934 } |
|
1935 else |
|
1936 { |
|
1937 //default. No information provided( ascent or overline position) |
|
1938 } |
|
1939 if( lOverlineThickness != KZero ) |
|
1940 { |
|
1941 lStrokeThickness = lOverlineThickness * lUnitsPerEmInverse * lFontSize ; |
|
1942 } |
|
1943 } |
|
1944 |
|
1945 |
|
1946 if( lTextDecoration == 3 ) |
|
1947 { |
|
1948 if( lStrikethroughPosition != KZero ) |
|
1949 { |
|
1950 //negative(minus sign) due to inverted font coordinate system |
|
1951 lLineStartY = lLineEndY = currentPosOrigY - (lStrikethroughPosition * lUnitsPerEmInverse) * lFontSize; |
|
1952 } |
|
1953 else if( lStrikethroughPosition == KZero && lAscent != KZero ) |
|
1954 { |
|
1955 lLineStartY = lLineEndY = currentPosOrigY - ((lAscent/TFloatFixPt(3)) * lUnitsPerEmInverse) * lFontSize; |
|
1956 } |
|
1957 else |
|
1958 { |
|
1959 //default. No information provided( ascent or strikethrough position) |
|
1960 } |
|
1961 if( lStrikethroughThickness != KZero ) |
|
1962 { |
|
1963 lStrokeThickness = lStrikethroughThickness * lUnitsPerEmInverse * lFontSize ; |
|
1964 } |
|
1965 } |
|
1966 |
|
1967 TGfxLine2D lLine( lLineStartX ,lLineStartY, lLineEndX, lLineEndY ); |
|
1968 |
|
1969 this->DrawShapeL( aGc, aElement ); |
|
1970 |
|
1971 // Setting Stokewidth for SVG Fonts. Check if there exists a value or default value (1) is set. |
|
1972 if( ( lOverlineThickness != KZero ) || ( lUnderlineThickness != KZero ) || ( lStrikethroughThickness != KZero ) ) |
|
1973 { |
|
1974 TGfxStroke lStroke = aGc->Stroke(); |
|
1975 lStroke.SetStrokeWidth( lStrokeThickness); // relation to font co-ordinate system. |
|
1976 aGc->SetStroke( lStroke ); |
|
1977 } |
|
1978 |
|
1979 |
|
1980 TGfxColor lForegroundColor(aGc->ForegroundColor()); |
|
1981 if ( lForegroundColor.GetColor() == KGfxColorNull ) |
|
1982 { |
|
1983 if ( (aGc->Paint()) != NULL ) |
|
1984 aGc->SetForegroundColor(TGfxColor( (aGc->Paint())->GetColor() )); |
|
1985 } |
|
1986 |
|
1987 aGc->DrawL( &lLine ); |
|
1988 }//end of text decoration functionality |
|
1989 } |
|
1990 else |
|
1991 { |
|
1992 |
|
1993 /**********************************************************/ |
|
1994 /* If SVG Font is not available then Bitmap Fonts are used*/ |
|
1995 /* to render the text by calling the DrawString() function*/ |
|
1996 /* of Gfx2D */ |
|
1997 /**********************************************************/ |
|
1998 UpdateCurrentScaledFont(); |
|
1999 |
|
2000 aGc->DrawStringL( iText->Des(), |
|
2001 iPoint.iX, |
|
2002 iPoint.iY, |
|
2003 lTextAnchor, |
|
2004 lTextDecoration, |
|
2005 iFamilies, |
|
2006 iWordSpacing, |
|
2007 iLetterSpacing, |
|
2008 iArrayRotate, |
|
2009 iArrayX, |
|
2010 iArrayY, |
|
2011 iBoundingBox, |
|
2012 iBitmapFont, |
|
2013 iBitmapFontSpec ); |
|
2014 |
|
2015 // Storing of the font is done in above routine |
|
2016 // only, hence removing below lines. |
|
2017 // store font info for bitmap font |
|
2018 //if ( iBitmapFont == NULL ) |
|
2019 //iBitmapFont = GetCurrentFontScaled(); |
|
2020 |
|
2021 } |
|
2022 // Fix for ScreenSaver Bug |
|
2023 CSvgDocumentImpl* doc = (CSvgDocumentImpl*)OwnerDocument(); |
|
2024 if ( doc && doc->Engine() ) |
|
2025 { |
|
2026 iGfx2dGc = doc->Engine()->GraphicsContext(); |
|
2027 } |
|
2028 return EFalse; |
|
2029 } |
|
2030 |
|
2031 // ----------------------------------------------------------------------------- |
|
2032 // void CSvgTextElementImpl::ScaleStrokeWidth(CGfx2dGc* aGc) |
|
2033 // Scale the stroke width in order to nullify the effect of scaling appiled on |
|
2034 // the glyph |
|
2035 // ----------------------------------------------------------------------------- |
|
2036 void CSvgTextElementImpl::ScaleStrokeWidth(CGfx2dGc* aGc) |
|
2037 { |
|
2038 |
|
2039 TFloatFixPt lStrokeWidth; |
|
2040 CCssValue* lCssValue = NULL; |
|
2041 this->FindProperty( KCSS_ATTR_STROKEWIDTH, lCssValue); |
|
2042 if ( lCssValue ) |
|
2043 { |
|
2044 lStrokeWidth = ( ( CFloatCssValueImpl * ) lCssValue )->Value(); |
|
2045 if (lStrokeWidth <= TFloatFixPt(0)) |
|
2046 { |
|
2047 aGc->SetStrokeWidth( TFloatFixPt(0) ); |
|
2048 } |
|
2049 else |
|
2050 { |
|
2051 // Get the font-size |
|
2052 TFloatFixPt lFontSize( 10 ); |
|
2053 this->FindProperty( KCSS_ATTR_FONTSIZE, lCssValue, NULL ); |
|
2054 if ( lCssValue ) |
|
2055 { |
|
2056 lFontSize = (( CFloatCssValueImpl * ) lCssValue )->Value(); |
|
2057 if(lFontSize <= TFloatFixPt(0) ) |
|
2058 { |
|
2059 lFontSize = TFloatFixPt ( 10 ); |
|
2060 } |
|
2061 } |
|
2062 TFloatFixPt lUnitsPerEm( 1000 ); |
|
2063 |
|
2064 // Get units-per-em |
|
2065 if (iFontFaceElement != NULL) |
|
2066 { |
|
2067 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, |
|
2068 lUnitsPerEm ); |
|
2069 |
|
2070 #ifdef SVG_FLOAT_BUILD |
|
2071 if ( lUnitsPerEm <= TFloatFixPt( 0 ) ) |
|
2072 { |
|
2073 lUnitsPerEm = TFloatFixPt( 1000 ); |
|
2074 } |
|
2075 #else |
|
2076 if ( lUnitsPerEm <= TFloatFixPt( 0,ETrue ) ) |
|
2077 { |
|
2078 lUnitsPerEm = TFloatFixPt( 1000 ); |
|
2079 } |
|
2080 #endif |
|
2081 |
|
2082 } |
|
2083 |
|
2084 lStrokeWidth=(lStrokeWidth*lUnitsPerEm)/lFontSize; |
|
2085 aGc->SetStrokeWidth(lStrokeWidth); |
|
2086 } |
|
2087 } |
|
2088 |
|
2089 } |
|
2090 |
|
2091 // ******************************************************* |
|
2092 // From MSvgLocatable/MSvgTransformable |
|
2093 // --------------------------------------------------------------------------- |
|
2094 // |
|
2095 // --------------------------------------------------------------------------- |
|
2096 void CSvgTextElementImpl::GetBBox( TGfxRectangle2D& aBbox ) |
|
2097 { |
|
2098 if (iSVGFont) |
|
2099 { |
|
2100 //get the bounding boxes of |
|
2101 //all of the glyphs in the child and add them together. |
|
2102 GetBBoxForSVGText(aBbox); |
|
2103 } |
|
2104 else if (iBitmapFont) |
|
2105 { |
|
2106 GetBBoxForSystemText(aBbox); |
|
2107 } |
|
2108 else |
|
2109 { |
|
2110 //this is an error case if it gets to here |
|
2111 // When GetBBox is called just after PrepareDom, the font |
|
2112 // spec is not initialied yet. It happens only in DrawL. |
|
2113 // To take care of this issue, and give a correct bounding box, |
|
2114 // Bitmap font is assumed. Note: This would not work if |
|
2115 // SVG font is selected. This needs to be fixed more generically. |
|
2116 |
|
2117 UpdateCurrentScaledFont(); |
|
2118 if (iBitmapFont) |
|
2119 { |
|
2120 GetBBoxForSystemText(aBbox); |
|
2121 } |
|
2122 else |
|
2123 { |
|
2124 aBbox.iY = iPoint.iY; |
|
2125 aBbox.iX = iPoint.iX; |
|
2126 aBbox.iWidth = 0; |
|
2127 aBbox.iHeight = 0; |
|
2128 } |
|
2129 |
|
2130 } |
|
2131 } |
|
2132 |
|
2133 // --------------------------------------------------------------------------- |
|
2134 // |
|
2135 // --------------------------------------------------------------------------- |
|
2136 void CSvgTextElementImpl::GetFourPointBBox( TSvgFourPointRect& aFourPointBBox ) |
|
2137 { |
|
2138 if (iSVGFont) |
|
2139 { |
|
2140 //get the bounding boxes of |
|
2141 //all of the glyphs in the child and add them together. |
|
2142 GetBBoxForSVGText(aFourPointBBox,this->GetCTM()); |
|
2143 } |
|
2144 else if (iBitmapFont) |
|
2145 { |
|
2146 GetBBoxForSystemText(aFourPointBBox); |
|
2147 } |
|
2148 else |
|
2149 { |
|
2150 //this is an error case if it gets to here |
|
2151 } |
|
2152 } |
|
2153 |
|
2154 void CSvgTextElementImpl::GetBBoxForSVGText( TGfxRectangle2D& aBbox ) |
|
2155 { |
|
2156 //bbox for svg fonts |
|
2157 TSvgFourPointRect lFourPtRect; |
|
2158 GetBBoxForSVGText(lFourPtRect,this->GetCTM()); |
|
2159 |
|
2160 lFourPtRect.GetTRect(aBbox); |
|
2161 } |
|
2162 |
|
2163 void CSvgTextElementImpl::GetBBoxForSVGText( TSvgFourPointRect& aFourPointBbox, const TGfxAffineTransform& aTransform) |
|
2164 { |
|
2165 //bbox for svg fonts |
|
2166 TGfxRectangle2D lBbox; |
|
2167 |
|
2168 TFloatFixPt lascent = Ascent(); |
|
2169 TFloatFixPt ldescent = Descent(); |
|
2170 |
|
2171 // Fix for ANAE-739CPX |
|
2172 // When ascent and descent are not specified, get the |
|
2173 // the translated and scaled bounding-box for each glyph |
|
2174 // and then find the total bounding box. |
|
2175 TFloatFixPt KZero; |
|
2176 if(lascent<=KZero||ldescent<=KZero) |
|
2177 { |
|
2178 TGfxRectangle2D lBbox1; /* Final bounding box for the text */ |
|
2179 TFloatFixPt lFontSize; |
|
2180 CCssValue* lCssValue = NULL; |
|
2181 |
|
2182 // Get the font-size |
|
2183 this->FindProperty( KCSS_ATTR_FONTSIZE, lCssValue, NULL ); |
|
2184 if ( lCssValue ) |
|
2185 { |
|
2186 lFontSize = (( CFloatCssValueImpl * ) lCssValue )->Value(); |
|
2187 if(lFontSize <= KZero ) |
|
2188 { |
|
2189 lFontSize = TFloatFixPt ( KDefaultFontSize ); |
|
2190 } |
|
2191 } |
|
2192 |
|
2193 TFloatFixPt lUnitsPerEm( KDefaultUnitsPerEm ); |
|
2194 TFloatFixPt lUnitsPerEmInverse(KZero); |
|
2195 |
|
2196 // Get units-per-em |
|
2197 if (iFontFaceElement != NULL) |
|
2198 { |
|
2199 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, |
|
2200 lUnitsPerEm ); |
|
2201 |
|
2202 |
|
2203 if ( lUnitsPerEm <= KZero ) |
|
2204 { |
|
2205 lUnitsPerEm = TFloatFixPt( KDefaultUnitsPerEm ); |
|
2206 } |
|
2207 |
|
2208 lUnitsPerEmInverse = TFloatFixPt( KOne ) / lUnitsPerEm; |
|
2209 } |
|
2210 |
|
2211 TFloatFixPt lGlyphHorzAdvX(KZero); |
|
2212 TFloatFixPt lFontHorzAdvX(KZero); |
|
2213 TFloatFixPt lMissingGlyphHorzAdvX(KZero); |
|
2214 TFloatFixPt lK(KZero); |
|
2215 |
|
2216 if(iSVGFont) |
|
2217 { |
|
2218 // Get horiz-adv-x |
|
2219 iSVGFont->GetAttributeFloat( KAtrHorizAdvX, lFontHorzAdvX ); |
|
2220 } |
|
2221 |
|
2222 |
|
2223 if (iMissingGlyphElement != NULL) |
|
2224 { |
|
2225 iMissingGlyphElement->GetAttributeFloat( KAtrHorizAdvX, |
|
2226 lMissingGlyphHorzAdvX ); |
|
2227 |
|
2228 |
|
2229 if ( lMissingGlyphHorzAdvX == KZero ) |
|
2230 { |
|
2231 lMissingGlyphHorzAdvX = lFontHorzAdvX; |
|
2232 } |
|
2233 } |
|
2234 |
|
2235 // Get "k" for hkern |
|
2236 if(iHkernElement) |
|
2237 { |
|
2238 iHkernElement->GetAttributeFloat( KAtrK, lK ); |
|
2239 } |
|
2240 TFloatFixPt currentPosOrigX(iPoint.iX); |
|
2241 |
|
2242 // Find the total width of the BBox |
|
2243 TFloatFixPt lTotalTextAdvance =GetTotalTextAdvance(lK,lUnitsPerEmInverse,lFontSize,lMissingGlyphHorzAdvX,lFontHorzAdvX); |
|
2244 |
|
2245 //Get the text-anchor |
|
2246 TInt8 lTextAnchor =(TInt8)( |
|
2247 ((CIntCssValueImpl *)(iSvgStyleProperties->operator[]( |
|
2248 KCSS_ATTR_TEXTANCHOR)))->Value()); |
|
2249 |
|
2250 if( lTextAnchor == 1 )//Middle |
|
2251 { |
|
2252 currentPosOrigX -= (lTotalTextAdvance * TFloatFixPt(.5f)); |
|
2253 } |
|
2254 |
|
2255 if( lTextAnchor == 2 )//End |
|
2256 { |
|
2257 currentPosOrigX -= lTotalTextAdvance; |
|
2258 } |
|
2259 |
|
2260 TFloatFixPt minusOne( -1 ); |
|
2261 |
|
2262 // (xMin1, yMin1) is the Top-left-corner and |
|
2263 // (xMax1, yMax1) is the bottom-right-corner |
|
2264 // of the final bounding box for the text |
|
2265 TFloatFixPt xMin1(KMAXFLOATFIX), yMin1(KMAXFLOATFIX), xMax1(KMINFLOATFIX), yMax1(KMINFLOATFIX); |
|
2266 TGfxRectangle2D lBbox; |
|
2267 const TDesC& ltext=*iText; |
|
2268 TInt ltextLength = ltext.Length(); |
|
2269 TInt glyphEleCnt = iGlyphElements.Count(); |
|
2270 |
|
2271 for (TInt i= 0; i < ltextLength && i < glyphEleCnt; i++) |
|
2272 { |
|
2273 CSvgElementImpl* lGlyphElement = (CSvgElementImpl*)iGlyphElements[i]; |
|
2274 |
|
2275 CGfxGeneralPath* lShape = NULL; |
|
2276 if(lGlyphElement||iMissingGlyphElement) |
|
2277 { |
|
2278 // Tranformation Matrix for positioning and scaling the BBox |
|
2279 TGfxAffineTransform myCurrentTM = aTransform; |
|
2280 |
|
2281 myCurrentTM.Translate( currentPosOrigX, iPoint.iY); |
|
2282 |
|
2283 myCurrentTM.Scale( lUnitsPerEmInverse, |
|
2284 minusOne * lUnitsPerEmInverse ); |
|
2285 myCurrentTM.Scale( lFontSize, lFontSize ); |
|
2286 |
|
2287 if(lGlyphElement) |
|
2288 { |
|
2289 TInt checkErrorShape = lGlyphElement->GetAttributePath( |
|
2290 KAtrData,lShape ); |
|
2291 |
|
2292 lGlyphElement->GetAttributeFloat( KAtrHorizAdvX, |
|
2293 lGlyphHorzAdvX ); |
|
2294 |
|
2295 |
|
2296 if ( lGlyphHorzAdvX == KZero ) |
|
2297 { |
|
2298 lGlyphHorzAdvX = /*(TFloatFixPt)lUnicodeLength **/ lFontHorzAdvX; |
|
2299 } |
|
2300 currentPosOrigX += ( lGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
2301 } |
|
2302 else |
|
2303 { |
|
2304 TInt checkErrorShape = iMissingGlyphElement-> |
|
2305 GetAttributePath(KAtrData,lShape ); |
|
2306 |
|
2307 currentPosOrigX += ( lMissingGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
2308 } |
|
2309 // Get the tranformed BBox for each glyph |
|
2310 lShape->GetBounds(myCurrentTM, lBbox); |
|
2311 |
|
2312 // Find the (xMin1,yMin1) and (xMax1, yMax1) for the total |
|
2313 // bounding box of text |
|
2314 if(lBbox.iX<xMin1) xMin1=lBbox.iX; |
|
2315 if(lBbox.iY<yMin1) yMin1=lBbox.iY; |
|
2316 if((lBbox.iY+lBbox.iHeight)>yMax1) yMax1=lBbox.iY+lBbox.iHeight; |
|
2317 if((lBbox.iX+lBbox.iWidth)>xMax1) xMax1=lBbox.iX+lBbox.iWidth; |
|
2318 } |
|
2319 |
|
2320 } |
|
2321 lBbox1.iX=xMin1; |
|
2322 lBbox1.iY=yMin1; |
|
2323 lBbox1.iWidth=xMax1-xMin1; |
|
2324 lBbox1.iHeight=yMax1-yMin1; |
|
2325 |
|
2326 aFourPointBbox.SetRectPoints(lBbox1); |
|
2327 return; |
|
2328 } |
|
2329 // End of fix for ANAE-739CPX |
|
2330 |
|
2331 lBbox.iHeight = lascent + ldescent; |
|
2332 lBbox.iWidth = TextAdvance(*iText); |
|
2333 |
|
2334 TReal32 lascentReal = (TReal32)lascent; |
|
2335 TReal32 ldescentReal = (TReal32)ldescent; |
|
2336 TReal32 liHeightReal = (TReal32)lBbox.iHeight; |
|
2337 TReal32 liWidthReal = (TReal32)lBbox.iWidth; |
|
2338 |
|
2339 //////////////////// rotate without scaling again ////////////////////// |
|
2340 lBbox.iX = iPoint.iX; |
|
2341 lBbox.iY = iPoint.iY - lascent; |
|
2342 |
|
2343 //at this point the bbox not scaled,translated but not rotated |
|
2344 |
|
2345 //should we create 1/scale factor or create with scale factor then get inverse |
|
2346 /*TGfxAffineTransform aScaleMat; |
|
2347 TReal32 inverseScale = 1.0/(TReal)iScale; |
|
2348 aScaleMat = TGfxAffineTransform::GetScaleInstance(inverseScale, inverseScale); |
|
2349 */ |
|
2350 |
|
2351 const TGfxAffineTransform& ctm = aTransform; |
|
2352 |
|
2353 TGfxPoint2D transformedPoint(lBbox.iX, lBbox.iY); |
|
2354 ctm.Transform(&transformedPoint, &transformedPoint, 1); |
|
2355 |
|
2356 TGfxPoint2D lTopLeftCorner(lBbox.iX, lBbox.iY); |
|
2357 TGfxPoint2D lTopRightCorner(lBbox.iX + lBbox.iWidth, lBbox.iY); |
|
2358 TGfxPoint2D lBottomLeftCorner(lBbox.iX, lBbox.iY + lBbox.iHeight); |
|
2359 TGfxPoint2D lBottomRightCorner(lBbox.iX + lBbox.iWidth, lBbox.iY + lBbox.iHeight); |
|
2360 |
|
2361 TGfxPoint2D lTransTopLeftCorner; |
|
2362 TGfxPoint2D lTransBottomLeftCorner; |
|
2363 TGfxPoint2D lTransTopRightCorner; |
|
2364 TGfxPoint2D lTransBottomRightCorner; |
|
2365 |
|
2366 ctm.Transform(&lTopLeftCorner, &lTransTopLeftCorner,1); |
|
2367 ctm.Transform(&lTopRightCorner, &lTransTopRightCorner,1); |
|
2368 ctm.Transform(&lBottomLeftCorner, &lTransBottomLeftCorner,1); |
|
2369 ctm.Transform(&lBottomRightCorner, &lTransBottomRightCorner,1); |
|
2370 |
|
2371 TFloatFixPt lXTranslation = transformedPoint.iX - lTransTopLeftCorner.iX; |
|
2372 TFloatFixPt lYTranslation = (transformedPoint.iY - lTransTopLeftCorner.iY ); //- ascent; |
|
2373 |
|
2374 // X position is affected by anchor |
|
2375 switch( TextAnchor() ) |
|
2376 { |
|
2377 case EStartAnchor: |
|
2378 //do nothing |
|
2379 break; |
|
2380 case EMiddleAnchor: |
|
2381 lXTranslation = lXTranslation - ( lBbox.iWidth / TFloatFixPt( 2 ) ); |
|
2382 break; |
|
2383 case EEndAnchor: |
|
2384 lXTranslation = lXTranslation - lBbox.iWidth; |
|
2385 break; |
|
2386 default: |
|
2387 //do nothing |
|
2388 break; |
|
2389 } |
|
2390 |
|
2391 lTransTopLeftCorner.iX = lTransTopLeftCorner.iX + lXTranslation; |
|
2392 lTransTopLeftCorner.iY = lTransTopLeftCorner.iY + lYTranslation; |
|
2393 |
|
2394 lTransTopRightCorner.iX = lTransTopRightCorner.iX + lXTranslation; |
|
2395 lTransTopRightCorner.iY = lTransTopRightCorner.iY + lYTranslation; |
|
2396 |
|
2397 lTransBottomLeftCorner.iX = lTransBottomLeftCorner.iX + lXTranslation; |
|
2398 lTransBottomLeftCorner.iY = lTransBottomLeftCorner.iY + lYTranslation; |
|
2399 |
|
2400 lTransBottomRightCorner.iX = lTransBottomRightCorner.iX + lXTranslation; |
|
2401 lTransBottomRightCorner.iY = lTransBottomRightCorner.iY + lYTranslation; |
|
2402 |
|
2403 //at this point I have the exact path coordinates of the bbox |
|
2404 aFourPointBbox.SetRectPoints(lTransTopLeftCorner, lTransTopRightCorner, lTransBottomLeftCorner, lTransBottomRightCorner); |
|
2405 |
|
2406 //aFourPointBbox.SetRectPoints(aTopLeftCorner, aTopRightCorner, aBottomLeftCorner, aBottomRightCorner); |
|
2407 |
|
2408 } |
|
2409 |
|
2410 void CSvgTextElementImpl::GetBBoxForSystemText( TGfxRectangle2D& aBbox ) |
|
2411 { |
|
2412 //bbox for bitmap fonts |
|
2413 TSvgFourPointRect lFourPtRect; |
|
2414 GetBBoxForSystemText(lFourPtRect); |
|
2415 |
|
2416 lFourPtRect.GetTRect(aBbox); |
|
2417 |
|
2418 } |
|
2419 |
|
2420 void CSvgTextElementImpl::GetBBoxForSystemText( TSvgFourPointRect& aFourPointBbox ) |
|
2421 { |
|
2422 //bbox for bitmap fonts |
|
2423 TGfxRectangle2D lBbox; |
|
2424 |
|
2425 iScale = GetCurrentScale(); |
|
2426 |
|
2427 if (iBoundingBox.iWidth == 0 && iBoundingBox.iHeight == 0) |
|
2428 { |
|
2429 iBoundingBox.iWidth = iBitmapFont->TextWidthInPixels(iText->Des()); |
|
2430 iBoundingBox.iHeight = iBitmapFont->FontMaxHeight(); |
|
2431 } |
|
2432 |
|
2433 //scaled already for bitmap text... |
|
2434 lBbox.iWidth = iBoundingBox.iWidth; |
|
2435 lBbox.iHeight = iBoundingBox.iHeight; |
|
2436 TFloatFixPt lascent = Ascent(); |
|
2437 TFloatFixPt ldescent = TFloatFixPt(iBoundingBox.iHeight) - Ascent(); |
|
2438 TReal32 linverseScale = 1.0/(TReal)iScale; |
|
2439 |
|
2440 TGfxAffineTransform lInitTranslationMat = TGfxAffineTransform::GetTranslateInstance(iPoint.iX,iPoint.iY); |
|
2441 TGfxAffineTransform lTotalMat = GetCTM(); |
|
2442 lTotalMat.Concatenate(lInitTranslationMat); |
|
2443 TGfxAffineTransform lInverseScaleMat = TGfxAffineTransform::GetScaleInstance(linverseScale, linverseScale); |
|
2444 lTotalMat.Concatenate(lInverseScaleMat); |
|
2445 TGfxAffineTransform lDescentCorrectionMat =TGfxAffineTransform::GetTranslateInstance(0,ldescent); |
|
2446 lTotalMat.Concatenate(lDescentCorrectionMat); |
|
2447 |
|
2448 TGfxPoint2D lTopLeftCorner(0, TFloatFixPt(0) - lBbox.iHeight ); |
|
2449 TGfxPoint2D lTopRightCorner(lBbox.iWidth , TFloatFixPt(0) - lBbox.iHeight ); |
|
2450 TGfxPoint2D lBottomLeftCorner(0, 0); |
|
2451 TGfxPoint2D lBottomRightCorner(lBbox.iWidth, 0 ); |
|
2452 |
|
2453 |
|
2454 TGfxPoint2D lTransTopLeftCorner; |
|
2455 TGfxPoint2D lTransBottomLeftCorner; |
|
2456 TGfxPoint2D lTransTopRightCorner; |
|
2457 TGfxPoint2D lTransBottomRightCorner; |
|
2458 |
|
2459 //applying current rotation transform without the scale. |
|
2460 lTotalMat.Transform(&lTopLeftCorner, &lTransTopLeftCorner,1); |
|
2461 lTotalMat.Transform(&lTopRightCorner, &lTransTopRightCorner,1); |
|
2462 lTotalMat.Transform(&lBottomLeftCorner, &lTransBottomLeftCorner,1); |
|
2463 lTotalMat.Transform(&lBottomRightCorner, &lTransBottomRightCorner,1); |
|
2464 |
|
2465 TFloatFixPt lXTranslation = 0; |
|
2466 //TFixPt lXTranslation = transformedPoint.iX - iPoint.iX; |
|
2467 |
|
2468 TFloatFixPt lYTranslation = 0; |
|
2469 //TFixPt lYTranslation = transformedPoint.iY - iPoint.iY; |
|
2470 |
|
2471 // X position is affected by anchor |
|
2472 switch( TextAnchor() ) |
|
2473 { |
|
2474 case EStartAnchor: |
|
2475 //do nothing |
|
2476 break; |
|
2477 case EMiddleAnchor: |
|
2478 lXTranslation = lXTranslation - ( lBbox.iWidth / TFloatFixPt( 2 ) ); |
|
2479 break; |
|
2480 case EEndAnchor: |
|
2481 lXTranslation = lXTranslation - lBbox.iWidth; |
|
2482 break; |
|
2483 default: |
|
2484 //do nothing |
|
2485 break; |
|
2486 } |
|
2487 |
|
2488 lTransTopLeftCorner.iX += lXTranslation; |
|
2489 lTransTopLeftCorner.iY += lYTranslation; |
|
2490 |
|
2491 lTransTopRightCorner.iX += lXTranslation; |
|
2492 lTransTopRightCorner.iY += lYTranslation; |
|
2493 |
|
2494 lTransBottomLeftCorner.iX += lXTranslation; |
|
2495 lTransBottomLeftCorner.iY += lYTranslation; |
|
2496 |
|
2497 lTransBottomRightCorner.iX += lXTranslation; |
|
2498 lTransBottomRightCorner.iY += lYTranslation; |
|
2499 |
|
2500 //at this point I have the exact path coordinates of the bbox |
|
2501 aFourPointBbox.SetRectPoints(lTransTopLeftCorner, lTransTopRightCorner, lTransBottomLeftCorner, lTransBottomRightCorner); |
|
2502 } |
|
2503 |
|
2504 |
|
2505 // --------------------------------------------------------------------------- |
|
2506 // |
|
2507 // --------------------------------------------------------------------------- |
|
2508 void CSvgTextElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox ) |
|
2509 { |
|
2510 if((iText->Des()).Length()==0) |
|
2511 { |
|
2512 aBbox.iHeight=0; |
|
2513 aBbox.iWidth=0; |
|
2514 aBbox.iX=0; |
|
2515 aBbox.iY=0; |
|
2516 return; |
|
2517 |
|
2518 } |
|
2519 // If both bitmap font and SVG font are not present then |
|
2520 // attempt to fetch SVG font. If that fails then |
|
2521 // try obtaining the bitmap font |
|
2522 if ( iSVGFont ) |
|
2523 { |
|
2524 TSvgFourPointRect lFourPtRect; |
|
2525 TGfxAffineTransform TM ; |
|
2526 GetBBoxForSVGText(lFourPtRect,TM); |
|
2527 |
|
2528 lFourPtRect.GetTRect(aBbox); |
|
2529 return; |
|
2530 } |
|
2531 |
|
2532 else |
|
2533 |
|
2534 { |
|
2535 |
|
2536 TRAPD( ErrCode , CreateSVGFontL()); |
|
2537 if( ErrCode != KErrNotFound) |
|
2538 { |
|
2539 //first en cache the glymph and then |
|
2540 //calculate total text advance |
|
2541 TSvgFourPointRect lFourPtRect; |
|
2542 TGfxAffineTransform TM ; |
|
2543 GetBBoxForSVGText(lFourPtRect,TM); |
|
2544 lFourPtRect.GetTRect(aBbox); |
|
2545 return; |
|
2546 } |
|
2547 |
|
2548 |
|
2549 else |
|
2550 { |
|
2551 UpdateCurrentScaledFont(); |
|
2552 iBoundingBox.iWidth = iBitmapFont->TextWidthInPixels(iText->Des()); |
|
2553 iBoundingBox.iHeight = iBitmapFont->FontMaxHeight(); |
|
2554 |
|
2555 //unscaled for bitmap text... |
|
2556 aBbox.iWidth = iBoundingBox.iWidth; |
|
2557 TFloatFixPt ascent = Ascent(); |
|
2558 //aBbox.iHeight = ascent + Descent(); |
|
2559 |
|
2560 aBbox.iHeight = iBoundingBox.iHeight; |
|
2561 |
|
2562 aBbox.iY = iPoint.iY - ascent; |
|
2563 |
|
2564 // X position is affected by anchor |
|
2565 switch( TextAnchor() ) |
|
2566 { |
|
2567 case EStartAnchor: |
|
2568 aBbox.iX = iPoint.iX; |
|
2569 break; |
|
2570 case EMiddleAnchor: |
|
2571 aBbox.iX = iPoint.iX - ( aBbox.iWidth / TFloatFixPt( 2 ) ); |
|
2572 break; |
|
2573 case EEndAnchor: |
|
2574 aBbox.iX = iPoint.iX - aBbox.iWidth; |
|
2575 break; |
|
2576 default: |
|
2577 aBbox.iX = iPoint.iX; |
|
2578 break; |
|
2579 } |
|
2580 |
|
2581 } |
|
2582 |
|
2583 } |
|
2584 |
|
2585 |
|
2586 } |
|
2587 |
|
2588 |
|
2589 |
|
2590 |
|
2591 void CSvgTextElementImpl::SetRotateArray(CArrayFixFlat<TReal32>*& aRotate) |
|
2592 { |
|
2593 if ( iArrayRotate ) |
|
2594 { |
|
2595 iArrayRotate->Reset(); |
|
2596 delete iArrayRotate; |
|
2597 iArrayRotate= NULL; |
|
2598 } |
|
2599 |
|
2600 iArrayRotate= aRotate; |
|
2601 /* TInt lCount= aRotate->Count(); |
|
2602 iArrayRotate = new ( ELeave ) CArrayFixFlat<TReal32>( lCount ); |
|
2603 |
|
2604 for (TInt i=0; i<lCount; i++) |
|
2605 { |
|
2606 iArrayRotate->AppendL((TReal32)aRotate->operator[](i)); |
|
2607 } |
|
2608 */ |
|
2609 } |
|
2610 |
|
2611 void CSvgTextElementImpl::SetXYArray(TUint16 aAtrId, CArrayFixFlat<TFloatFixPt>*& aX ) |
|
2612 { |
|
2613 if (aAtrId== KAtrX) |
|
2614 { |
|
2615 if ( iArrayX ) |
|
2616 { |
|
2617 iArrayX->Reset(); |
|
2618 delete iArrayX; |
|
2619 iArrayX = NULL; |
|
2620 } |
|
2621 iArrayX= aX; |
|
2622 SetX(aX); |
|
2623 } |
|
2624 else |
|
2625 { |
|
2626 if ( iArrayY ) |
|
2627 { |
|
2628 iArrayY->Reset(); |
|
2629 delete iArrayY; |
|
2630 iArrayY = NULL; |
|
2631 } |
|
2632 iArrayY= aX; |
|
2633 SetY(aX); |
|
2634 } |
|
2635 } |
|
2636 |
|
2637 TFloatFixPt CSvgTextElementImpl::FontSize() |
|
2638 { |
|
2639 CCssValue* cssValue = NULL; |
|
2640 FindProperty( KCSS_ATTR_FONTSIZE, cssValue, this ); |
|
2641 if ( cssValue ) |
|
2642 { |
|
2643 TFloatFixPt fontsize = ((CFloatCssValueImpl*)cssValue)->Value(); |
|
2644 if ( fontsize <= TFloatFixPt( 0 ) ) |
|
2645 fontsize = TFloatFixPt( 10 ); |
|
2646 return fontsize; |
|
2647 } |
|
2648 else |
|
2649 { |
|
2650 return 10; |
|
2651 } |
|
2652 } |
|
2653 |
|
2654 TFloatFixPt CSvgTextElementImpl::TextAdvance( const TDesC& aText, TInt aIndex ) |
|
2655 { |
|
2656 if ( iBitmapFont ) |
|
2657 { |
|
2658 TInt advance = 0; |
|
2659 UpdateCurrentScaledFont(); |
|
2660 if ( iBitmapFont) |
|
2661 { |
|
2662 advance = ((CFbsFont*)iBitmapFont)->TextWidthInPixels(aText); |
|
2663 |
|
2664 return TFloatFixPt(advance); |
|
2665 } |
|
2666 |
|
2667 return 0; |
|
2668 } |
|
2669 else if ( iSVGFont ) |
|
2670 { |
|
2671 //if an svg font... |
|
2672 TReal32 fontHorzAdvX = 0.0; |
|
2673 TFloatFixPt advanceX = TFloatFixPt( 0 ); |
|
2674 |
|
2675 TInt textLength = aText.Length(); |
|
2676 TInt glyphEleCnt = iGlyphElements.Count(); |
|
2677 for (TInt i= aIndex; i < (aIndex+textLength) && (i< glyphEleCnt); i++) |
|
2678 { |
|
2679 //assuming that glyph element cache is a parallel vector here |
|
2680 CSvgElementImpl* lGlyphElement = (CSvgElementImpl*)iGlyphElements[i]; |
|
2681 |
|
2682 if (lGlyphElement != NULL) |
|
2683 { |
|
2684 lGlyphElement->GetAttributeFloat( KAtrHorizAdvX, advanceX ); |
|
2685 fontHorzAdvX += (TReal32)advanceX; |
|
2686 } |
|
2687 } |
|
2688 |
|
2689 TFloatFixPt lUnitsPerEm = TFloatFixPt(1000); |
|
2690 |
|
2691 if (iFontFaceElement) |
|
2692 { |
|
2693 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, lUnitsPerEm); |
|
2694 |
|
2695 if (lUnitsPerEm == TFloatFixPt(0)) |
|
2696 { |
|
2697 lUnitsPerEm = TFloatFixPt(1000); |
|
2698 } |
|
2699 } |
|
2700 |
|
2701 // Must use TReal to prevent overflow |
|
2702 TReal32 retValue = fontHorzAdvX * (TReal32)FontSize() / (TReal32)lUnitsPerEm; |
|
2703 return (TFloatFixPt)retValue; |
|
2704 } |
|
2705 else |
|
2706 { |
|
2707 //case where we dont have a bitmap font or an svg font |
|
2708 return 0; |
|
2709 } |
|
2710 } |
|
2711 |
|
2712 |
|
2713 |
|
2714 TFloatFixPt CSvgTextElementImpl::Ascent() |
|
2715 { |
|
2716 |
|
2717 //check for the bbox issue |
|
2718 if ( iSVGFont ) |
|
2719 { |
|
2720 //if an svg font the ascent is this... |
|
2721 |
|
2722 TFloatFixPt lAscent, lUnitsPerEm; |
|
2723 TReal32 totalAscent = 0.0; |
|
2724 |
|
2725 if (iFontFaceElement) |
|
2726 { |
|
2727 iFontFaceElement->GetAttributeFloat( KAtrAscent, |
|
2728 lAscent ); |
|
2729 |
|
2730 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, lUnitsPerEm); |
|
2731 |
|
2732 if(lUnitsPerEm==TFloatFixPt(0)) |
|
2733 { |
|
2734 lUnitsPerEm=TFloatFixPt(1000); |
|
2735 } |
|
2736 totalAscent = (TReal32)lAscent * (TReal32)FontSize() / (TReal32)lUnitsPerEm; |
|
2737 |
|
2738 return (TFloatFixPt)totalAscent; |
|
2739 } |
|
2740 |
|
2741 //default value for ascent |
|
2742 return 0; |
|
2743 } |
|
2744 else if ( iBitmapFont ) |
|
2745 { |
|
2746 // if ( iBitmapFont ) |
|
2747 |
|
2748 UpdateCurrentScaledFont(); |
|
2749 //if a bitmap font the ascent is this.... |
|
2750 TInt ascent = 10; |
|
2751 |
|
2752 if (iBitmapFont) |
|
2753 { |
|
2754 //Tweak factor is needed as font not behaving correctly for |
|
2755 // all languages. |
|
2756 ascent = iBitmapFont->FontMaxAscent() + 1; |
|
2757 } |
|
2758 else |
|
2759 { |
|
2760 } |
|
2761 |
|
2762 return ( ascent >= 0 ) ? ascent : -ascent; |
|
2763 } |
|
2764 |
|
2765 else |
|
2766 { |
|
2767 //case where we dont have a bitmap font or svg font |
|
2768 return 0; |
|
2769 } |
|
2770 } |
|
2771 |
|
2772 const CFont* CSvgTextElementImpl::Font() const |
|
2773 { |
|
2774 return iBitmapFont; |
|
2775 } |
|
2776 |
|
2777 TFloatFixPt CSvgTextElementImpl::Descent() |
|
2778 { |
|
2779 |
|
2780 //check for the bbox issue |
|
2781 if ( iSVGFont ) |
|
2782 { |
|
2783 //for svg fonts... |
|
2784 //if an svg font the descent is this... |
|
2785 |
|
2786 TFloatFixPt lDescent, lUnitsPerEm; |
|
2787 TReal32 totalDescent = 0.0; |
|
2788 |
|
2789 if (iFontFaceElement) |
|
2790 { |
|
2791 iFontFaceElement->GetAttributeFloat( KAtrDescent, |
|
2792 lDescent ); |
|
2793 |
|
2794 iFontFaceElement->GetAttributeFloat( KAtrUnitsPerEm, lUnitsPerEm); |
|
2795 |
|
2796 if(lUnitsPerEm==TFloatFixPt(0)) |
|
2797 { |
|
2798 lUnitsPerEm=TFloatFixPt(1000); |
|
2799 } |
|
2800 |
|
2801 totalDescent = (TReal32)lDescent * (TReal32)FontSize() / (TReal32)lUnitsPerEm; |
|
2802 |
|
2803 return ( totalDescent >= 0 ) ? (TFloatFixPt)totalDescent : (TFloatFixPt)-totalDescent; |
|
2804 } |
|
2805 |
|
2806 return 0; |
|
2807 } |
|
2808 else if ( iBitmapFont ) |
|
2809 { |
|
2810 UpdateCurrentScaledFont(); |
|
2811 //for bitmap fonts... |
|
2812 TInt descent = 10; |
|
2813 |
|
2814 if (iBitmapFont) |
|
2815 { |
|
2816 descent = iBitmapFont->DescentInPixels(); |
|
2817 } |
|
2818 else |
|
2819 { |
|
2820 } |
|
2821 |
|
2822 return ( descent >= 0 ) ? descent : -descent; |
|
2823 |
|
2824 } |
|
2825 else |
|
2826 { |
|
2827 //case where we dont have a bitmap font or svg font |
|
2828 return 0; |
|
2829 } |
|
2830 } |
|
2831 |
|
2832 TTextAnchor CSvgTextElementImpl::TextAnchor() |
|
2833 { |
|
2834 |
|
2835 TInt anchor = ((CIntCssValueImpl*)((*iSvgStyleProperties)[KCSS_ATTR_TEXTANCHOR]))->Value(); |
|
2836 return ( anchor == -1 ) ? EStartAnchor : (TTextAnchor)anchor; |
|
2837 } |
|
2838 |
|
2839 TBool CSvgTextElementImpl::LoadExternalSVGFontL(const TDesC& aFontFamily) |
|
2840 { |
|
2841 CSvgEngineImpl* lEngine = ((CSvgDocumentImpl*)iOwnerDocument)->Engine(); |
|
2842 CSvgDocumentImpl* lNewFontDoc = NULL; |
|
2843 |
|
2844 if (lEngine == NULL) |
|
2845 { |
|
2846 return EFalse; |
|
2847 } |
|
2848 |
|
2849 if ( lEngine->iFontHashMap->HasFontFamilyName(aFontFamily) ) |
|
2850 { |
|
2851 //already have that font |
|
2852 return EFalse; |
|
2853 } |
|
2854 else |
|
2855 { |
|
2856 CSvgBitmapFontProvider *tempBitmapFontProvider = ((CSvgDocumentImpl*)iOwnerDocument)->GetBitmapFontProvider(); |
|
2857 lNewFontDoc = CSvgDocumentImpl::NewL( tempBitmapFontProvider ); |
|
2858 lNewFontDoc->SetEngine(lEngine); |
|
2859 } |
|
2860 |
|
2861 if (aFontFamily.Length() > 0) |
|
2862 { |
|
2863 TBuf<256> myFontUrl; |
|
2864 myFontUrl.Copy(aFontFamily.Left(24)); |
|
2865 myFontUrl.Append(_L(".svg")); |
|
2866 |
|
2867 if (FetchSvgFontL(myFontUrl, lNewFontDoc)) |
|
2868 { |
|
2869 if ( lEngine->iFontHashMap->AddFontDocument(lNewFontDoc, aFontFamily) ) |
|
2870 { |
|
2871 return ETrue; |
|
2872 } |
|
2873 } |
|
2874 } |
|
2875 |
|
2876 //If basic latin use SVG DEFAULT FONT |
|
2877 if ( iUseDefaultSVGFont && !lEngine->iFontHashMap->HasFontFamilyName(aFontFamily)) |
|
2878 { |
|
2879 if (FetchSvgFontL(_L("defaultsvgfont.svg"), lNewFontDoc)) |
|
2880 { |
|
2881 TBool aReturn = lEngine->iFontHashMap->AddFontDocument(lNewFontDoc, KDefaultFont ); |
|
2882 |
|
2883 //this will overwrite whatever font family the element had set... |
|
2884 //remove this to let fonts fall through to bitmap their specified bitmap fonts |
|
2885 //SetFontFamilyL(_L("NokiaSansWide")); |
|
2886 if(!aReturn) |
|
2887 { |
|
2888 if(lNewFontDoc) |
|
2889 { |
|
2890 delete lNewFontDoc; |
|
2891 lNewFontDoc = NULL; |
|
2892 } |
|
2893 |
|
2894 } |
|
2895 return ETrue; |
|
2896 } |
|
2897 /*else if (LoadDefaultSvgFont(iNewFontDoc)) |
|
2898 { |
|
2899 if (iEngine->AddFontDocument(iNewFontDoc, aFontFamily)) |
|
2900 { |
|
2901 return ETrue; |
|
2902 } |
|
2903 }*/ |
|
2904 } |
|
2905 |
|
2906 delete lNewFontDoc; |
|
2907 lNewFontDoc = NULL; |
|
2908 return EFalse; |
|
2909 } |
|
2910 |
|
2911 TBool CSvgTextElementImpl::IsEditable() |
|
2912 { |
|
2913 return iEditable; |
|
2914 } |
|
2915 |
|
2916 TBool CSvgTextElementImpl::FetchSvgFontL(const TDesC& aUri, CSvgDocumentImpl* newFontDocument) |
|
2917 { |
|
2918 CSvgErrorImpl* lmyError = CSvgErrorImpl::NewL(); |
|
2919 |
|
2920 //do a fetchimage style fetch of the SVG font file here... |
|
2921 // Connect session |
|
2922 RFs lSession; |
|
2923 RFile fileHandle; |
|
2924 if ( lSession.Connect() == KErrNone ) |
|
2925 { |
|
2926 CSvgEngineImpl* lEngine = ((CSvgDocumentImpl*)iOwnerDocument)->Engine(); |
|
2927 |
|
2928 if (lEngine->FetchFont( aUri, lSession, fileHandle)) |
|
2929 { |
|
2930 TBuf<512> aName; |
|
2931 |
|
2932 fileHandle.Name(aName); |
|
2933 |
|
2934 if ( aName.CompareF(aUri) == 0) |
|
2935 { |
|
2936 //need to attach this to the real document and just once for all text elements |
|
2937 newFontDocument->Load( fileHandle, *lmyError ); |
|
2938 } |
|
2939 else |
|
2940 { |
|
2941 lSession.Close(); |
|
2942 delete lmyError; |
|
2943 return EFalse; |
|
2944 } |
|
2945 |
|
2946 if (lmyError->ErrorCode() == ESvgNoError) |
|
2947 { |
|
2948 lSession.Close(); |
|
2949 delete lmyError; |
|
2950 return ETrue; |
|
2951 } |
|
2952 } |
|
2953 else |
|
2954 { |
|
2955 lSession.Close(); |
|
2956 } |
|
2957 } |
|
2958 |
|
2959 delete lmyError; |
|
2960 return EFalse; |
|
2961 } |
|
2962 |
|
2963 |
|
2964 /*TBool CSvgTextElementImpl::LoadDefaultSvgFont(CSvgDocumentImpl* newFontDocument) |
|
2965 { |
|
2966 CSvgErrorImpl* myError = CSvgErrorImpl::NewL(); |
|
2967 CSvgEngineImpl* iEngine = ((CSvgDocumentImpl*)iOwnerDocument)->Engine(); |
|
2968 |
|
2969 TPtrC8 svgfontdata( (TUint8*)strSVGFont, User::StringLength((TUint8*)strSVGFont) ); |
|
2970 iEngine->newFontDocument->Load( svgfontdata, *myError ); |
|
2971 |
|
2972 if (myError->ErrorCode() != ESvgNoError) |
|
2973 { |
|
2974 delete myError; |
|
2975 return EFalse; |
|
2976 } |
|
2977 |
|
2978 delete myError; |
|
2979 return ETrue; |
|
2980 }*/ |
|
2981 |
|
2982 /*** FROM MSvgMouseListener ***/ |
|
2983 // --------------------------------------------------------------------------- |
|
2984 // mouse entered |
|
2985 // --------------------------------------------------------------------------- |
|
2986 TBool CSvgTextElementImpl::MouseEntered( RPointerArray<CSvgElementImpl>& aElements, |
|
2987 TInt /*aX*/, TInt /*aY*/ ) |
|
2988 { |
|
2989 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
2990 |
|
2991 TInt eleCnt = aElements.Count(); |
|
2992 for (TInt i = 0; i < eleCnt; i++ ) |
|
2993 { |
|
2994 if ( aElements[i] == this ) |
|
2995 { |
|
2996 lEngine->NotifyTextEntered(this); |
|
2997 return ETrue; |
|
2998 } |
|
2999 } |
|
3000 |
|
3001 return EFalse; |
|
3002 } |
|
3003 |
|
3004 // --------------------------------------------------------------------------- |
|
3005 // Notified when the mouse pointer exits a visible svg element. |
|
3006 // --------------------------------------------------------------------------- |
|
3007 TBool CSvgTextElementImpl::MouseExited( RPointerArray<CSvgElementImpl>& aElements, |
|
3008 TInt /*aX*/, TInt /*aY*/ ) |
|
3009 { |
|
3010 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
3011 |
|
3012 TInt eleCnt = aElements.Count(); |
|
3013 for (TInt i = 0; i < eleCnt; i++ ) |
|
3014 { |
|
3015 if ( aElements[i] == this ) |
|
3016 { |
|
3017 lEngine->NotifyTextExited(this); |
|
3018 return ETrue; |
|
3019 } |
|
3020 } |
|
3021 |
|
3022 return EFalse; |
|
3023 } |
|
3024 |
|
3025 // --------------------------------------------------------------------------- |
|
3026 // Notified when the mouse pointer is moved inside a visible svg element. |
|
3027 // --------------------------------------------------------------------------- |
|
3028 TBool CSvgTextElementImpl::MouseMoved( RPointerArray<CSvgElementImpl>& /*aElements*/, |
|
3029 TInt /*aX*/, TInt /*aY*/ ) |
|
3030 { |
|
3031 return EFalse; |
|
3032 } |
|
3033 |
|
3034 // --------------------------------------------------------------------------- |
|
3035 // Notified when the mouse pointer is pressed down on visible svg element. |
|
3036 // --------------------------------------------------------------------------- |
|
3037 TBool CSvgTextElementImpl::MousePressed( RPointerArray<CSvgElementImpl>& /*aElements*/, |
|
3038 TInt /*aX*/, TInt /*aY*/ ) |
|
3039 { |
|
3040 return EFalse; |
|
3041 } |
|
3042 |
|
3043 // --------------------------------------------------------------------------- |
|
3044 // Notified when the mouse pointer is released on on visible svg element. |
|
3045 // --------------------------------------------------------------------------- |
|
3046 TBool CSvgTextElementImpl::MouseReleased( RPointerArray<CSvgElementImpl>& aElements, |
|
3047 TInt /*aX*/, TInt /*aY*/ ) |
|
3048 { |
|
3049 CSvgEngineImpl* lEngine = ( ( CSvgDocumentImpl* ) OwnerDocument() )->Engine(); |
|
3050 |
|
3051 TInt eleCnt = aElements.Count(); |
|
3052 for (TInt i = 0; i < eleCnt; i++ ) |
|
3053 { |
|
3054 if ( aElements[i] == this ) |
|
3055 { |
|
3056 lEngine->NotifyTextActivated(this); |
|
3057 return ETrue; |
|
3058 } |
|
3059 } |
|
3060 |
|
3061 return EFalse; |
|
3062 } |
|
3063 |
|
3064 // --------------------------------------------------------------------------- |
|
3065 // |
|
3066 // --------------------------------------------------------------------------- |
|
3067 void CSvgTextElementImpl::SetEditable( const TDesC& aValue ) |
|
3068 { |
|
3069 if (aValue.FindF(_L("simple")) == KErrNotFound && aValue.FindF(_L("true")) == KErrNotFound) |
|
3070 { |
|
3071 iEditable = EFalse; |
|
3072 } |
|
3073 else |
|
3074 { |
|
3075 iEditable = ETrue; |
|
3076 } |
|
3077 } |
|
3078 |
|
3079 void CSvgTextElementImpl::Print( TBool aIsEncodeOn ) |
|
3080 { |
|
3081 if (!aIsEncodeOn) |
|
3082 { |
|
3083 #ifdef _DEBUG |
|
3084 RDebug::Printf("<text x=\"%d\" y=\"%d\" editable=\"%d\" >hmm</text>", (int)iPoint.iX, (int)iPoint.iY, (int)IsEditable()/*, iText*/); |
|
3085 #endif |
|
3086 } |
|
3087 } |
|
3088 |
|
3089 void CSvgTextElementImpl::UpdateCurrentScaledFont() |
|
3090 { |
|
3091 |
|
3092 // Get latest scaling factor |
|
3093 TFloatFixPt scale = GetCurrentScale(); |
|
3094 |
|
3095 TFloatFixPt fontsize = (TFloatFixPt)FontSize(); |
|
3096 |
|
3097 TFloatFixPt fontHeight = scale * fontsize; |
|
3098 // RDebug::Printf("Requesting fontHeight: %d\n", (TInt)fontHeight); |
|
3099 |
|
3100 GetScaledFont( fontHeight, (*iFamilies)[0], iBitmapFont, iBitmapFontSpec ); |
|
3101 // RDebug::Printf("Ascent : %d\n", (TInt)iBitmapFont->AscentInPixels()); |
|
3102 // RDebug::Printf("Descent: %d\n", (TInt)iBitmapFont->DescentInPixels()); |
|
3103 } |
|
3104 // -------------------------------------------------------------------------- |
|
3105 // void CGfx2dGcOpenVG::GetSystemFontScaled(TFloatFixPt aHeight, |
|
3106 // const TDesC& aTypefaceName,// CFont*& aFont, |
|
3107 // TFontSpec& aFontSpec ) |
|
3108 // --------------------------------------------------------------------------- |
|
3109 void CSvgTextElementImpl::GetScaledFont( TFloatFixPt aHeight, |
|
3110 const TDesC& aTypefaceName, |
|
3111 CFont*& aFont, |
|
3112 TFontSpec& aFontSpec ) |
|
3113 { |
|
3114 if (aHeight >= TFloatFixPt(300)) |
|
3115 { |
|
3116 aHeight = TFloatFixPt(300); |
|
3117 } |
|
3118 |
|
3119 // Calculate twip size |
|
3120 TInt twipsSize; |
|
3121 if( aHeight > TFloatFixPt(0) ) |
|
3122 { |
|
3123 TInt xpixels,ypixels,xtwips,ytwips; |
|
3124 HAL::Get(HALData::EDisplayXPixels, xpixels); |
|
3125 HAL::Get(HALData::EDisplayYPixels, ypixels); |
|
3126 HAL::Get(HALData::EDisplayXTwips, xtwips); |
|
3127 HAL::Get(HALData::EDisplayYTwips, ytwips); |
|
3128 |
|
3129 if ( xpixels == 0 ) |
|
3130 { |
|
3131 return; |
|
3132 } |
|
3133 |
|
3134 TFloatFixPt ratio = TFloatFixPt(xtwips)/(TFloatFixPt)xpixels; |
|
3135 twipsSize = (TInt) (ratio * aHeight);//((float)ytwips/ypixel) is same |
|
3136 } |
|
3137 else |
|
3138 { |
|
3139 return; |
|
3140 } |
|
3141 |
|
3142 TFontStrokeWeight strokeWeight = EStrokeWeightNormal; |
|
3143 TFontPosture fontPosture = EPostureUpright ; |
|
3144 |
|
3145 // Get font-weight |
|
3146 TInt32 fontweight = 1; |
|
3147 CCssValue* weightValue = NULL; |
|
3148 FindProperty( KCSS_ATTR_FONTWEIGHT, weightValue, this ); |
|
3149 |
|
3150 if ( weightValue ) |
|
3151 { |
|
3152 fontweight = ((CIntCssValueImpl*)weightValue)->Value(); |
|
3153 } |
|
3154 |
|
3155 if ( ( fontweight == 1 ) || |
|
3156 ( fontweight == 2 ) || |
|
3157 ( fontweight == 9 ) || |
|
3158 ( fontweight == 10 ) || |
|
3159 ( fontweight == 11 ) || |
|
3160 ( fontweight == 12 ) ) // Bold |
|
3161 { |
|
3162 strokeWeight = EStrokeWeightBold; |
|
3163 } |
|
3164 else |
|
3165 { |
|
3166 strokeWeight = EStrokeWeightNormal; |
|
3167 } |
|
3168 |
|
3169 // Get font-style |
|
3170 TInt32 style = 1; |
|
3171 CCssValue* styleValue = NULL; |
|
3172 FindProperty( KCSS_ATTR_FONTSTYLE, styleValue, this ); |
|
3173 |
|
3174 if ( styleValue ) |
|
3175 { |
|
3176 style = ((CIntCssValueImpl*)styleValue)->Value(); |
|
3177 } |
|
3178 |
|
3179 if ( style == 1 ) |
|
3180 { |
|
3181 //Italic |
|
3182 fontPosture = EPostureItalic; |
|
3183 } |
|
3184 else |
|
3185 { |
|
3186 fontPosture = EPostureUpright; |
|
3187 } |
|
3188 |
|
3189 |
|
3190 TFontStyle fontStyle( fontPosture, strokeWeight, EPrintPosNormal ); |
|
3191 |
|
3192 // Get Latest required Font Spec. |
|
3193 TFontSpec tempFontSpec(aFontSpec); |
|
3194 tempFontSpec.iTypeface.iName = aTypefaceName.Left(24); |
|
3195 tempFontSpec.iHeight = twipsSize; |
|
3196 tempFontSpec.iFontStyle = fontStyle; |
|
3197 |
|
3198 CSvgBitmapFontProvider *tempBitmapFontProvider = ((CSvgDocumentImpl*)iOwnerDocument)->GetBitmapFontProvider(); |
|
3199 if( aFont ) |
|
3200 { |
|
3201 if(!(tempFontSpec == aFontSpec)) |
|
3202 { |
|
3203 aFontSpec = tempFontSpec; |
|
3204 tempBitmapFontProvider->ReleaseFont(aFont); |
|
3205 tempBitmapFontProvider->GetNearestFontToDesignHeightInTwips(aFont, aFontSpec); |
|
3206 } |
|
3207 } |
|
3208 else |
|
3209 { |
|
3210 aFontSpec = tempFontSpec; |
|
3211 tempBitmapFontProvider->GetNearestFontToDesignHeightInTwips(aFont, aFontSpec); |
|
3212 } |
|
3213 |
|
3214 } |
|
3215 // --------------------------------------------------------------------------- |
|
3216 // Calculate the exact total text advance instead of taking default per glyph |
|
3217 // advance which will approximate the value. |
|
3218 // --------------------------------------------------------------------------- |
|
3219 TFloatFixPt CSvgTextElementImpl::GetTotalTextAdvance(const TFloatFixPt& alK,const TFloatFixPt& alUnitsPerEmInverse,const TFloatFixPt& alFontSize,const TFloatFixPt& alMissingGlyphHorzAdvX,const TFloatFixPt& alFontHorzAdvX) |
|
3220 { |
|
3221 //Text Anchor related. |
|
3222 //lFontHorzAdvX = 400; |
|
3223 //lTotalTextAdvance = lFontHorzAdvX * (TFloatFixPt)iText->Length() * lUnitsPerEmInverse * lFontSize; |
|
3224 |
|
3225 |
|
3226 TFloatFixPt lGlyphHorzAdvX; |
|
3227 TInt langCodeFound( 0 ); |
|
3228 TInt8 lTextAnchor =(TInt8)(((CIntCssValueImpl *)(iSvgStyleProperties->operator[](KCSS_ATTR_TEXTANCHOR)))->Value()); |
|
3229 TPtrC16 lPrevGlyphName; |
|
3230 TPtrC16 lCurrGlyphName; |
|
3231 TFloatFixPt lK = alK; //kerning purpose.... |
|
3232 TFloatFixPt KZero; |
|
3233 TFloatFixPt lTotalTextAdvance ( KZero ); |
|
3234 TPtrC16 lUnicode; |
|
3235 TPtrC16 lLangCode; //ex: en-US or en-GB or ja-JP or zh-CN or en.... |
|
3236 TPtrC16 lPrevUnicode; |
|
3237 TPtrC16 lUnicodeRange; //Max.Length "U+00AB-00AF" |
|
3238 TFloatFixPt lUnitsPerEmInverse = alUnitsPerEmInverse; |
|
3239 TFloatFixPt lFontSize = alFontSize; |
|
3240 TFloatFixPt lFontHorzOrgX( 0 ); |
|
3241 TFloatFixPt lFontHorzAdvX = alFontHorzAdvX; |
|
3242 TFloatFixPt lMissingGlyphHorzAdvX = alMissingGlyphHorzAdvX; |
|
3243 |
|
3244 |
|
3245 TInt glyphEleCnt = iGlyphElements.Count(); |
|
3246 for (TInt i=0; i < glyphEleCnt; i++) |
|
3247 { |
|
3248 CSvgElementImpl* lGlyphElement = (CSvgElementImpl*)iGlyphElements[i]; |
|
3249 |
|
3250 if (lGlyphElement != NULL) |
|
3251 { |
|
3252 //have a valid glyph |
|
3253 TInt checkErrorUnicode = lGlyphElement->GetAttributeDes( KAtrUnicode, |
|
3254 lUnicode ); |
|
3255 //check the glyph name |
|
3256 TInt checkErrorGlyphName = lGlyphElement->GetAttributeDes( KAtrGlyphName, |
|
3257 lCurrGlyphName ); |
|
3258 if( checkErrorGlyphName == KErrNoAttribute ) |
|
3259 { |
|
3260 lCurrGlyphName.Set( KGlyphNameNone ); |
|
3261 } |
|
3262 |
|
3263 //check its language |
|
3264 TInt checkErrorLangCode = lGlyphElement->GetAttributeDes( KAtrLang, |
|
3265 lLangCode ); |
|
3266 TPtrC lXmlLangAttr(this->XMLLang()); |
|
3267 |
|
3268 if( checkErrorLangCode != KErrNoAttribute ) //if Lang code present |
|
3269 { |
|
3270 langCodeFound = lLangCode.CompareF( lXmlLangAttr );//compare xml:lang with Lang code. |
|
3271 } |
|
3272 |
|
3273 //if Lang code is matching && unicode attr. present, we are good. |
|
3274 if ( (checkErrorUnicode != KErrNoAttribute) && (langCodeFound == 0) ) |
|
3275 { |
|
3276 //Checking and Introducing kerning(adjusting spacing). |
|
3277 if( lPrevGlyphName.Length() > 0 ) |
|
3278 { |
|
3279 if( IsKerningRequired( lPrevGlyphName, lCurrGlyphName, lPrevUnicode, lUnicode )) |
|
3280 { |
|
3281 lTotalTextAdvance -= ( lK * lUnitsPerEmInverse ) * lFontSize; |
|
3282 } |
|
3283 } |
|
3284 |
|
3285 lGlyphElement->GetAttributeFloat( KAtrHorizAdvX, |
|
3286 lGlyphHorzAdvX ); |
|
3287 |
|
3288 #ifdef SVG_FLOAT_BUILD |
|
3289 if ( lGlyphHorzAdvX == TFloatFixPt( 0 ) ) |
|
3290 #else |
|
3291 if ( lGlyphHorzAdvX == TFloatFixPt( 0,ETrue ) ) |
|
3292 #endif |
|
3293 { |
|
3294 lGlyphHorzAdvX = /*(TFloatFixPt)lUnicodeLength **/ lFontHorzAdvX; |
|
3295 } |
|
3296 |
|
3297 |
|
3298 lTotalTextAdvance += ( lGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
3299 |
|
3300 |
|
3301 } |
|
3302 |
|
3303 |
|
3304 } |
|
3305 else |
|
3306 { |
|
3307 //need to use missing glyph for this one... |
|
3308 |
|
3309 lTotalTextAdvance += ( lMissingGlyphHorzAdvX * lUnitsPerEmInverse ) * lFontSize; |
|
3310 |
|
3311 } |
|
3312 }//end-for |
|
3313 |
|
3314 |
|
3315 return lTotalTextAdvance ; |
|
3316 |
|
3317 }// End Function |
|
3318 void CSvgTextElementImpl::CreateSVGFontL() |
|
3319 { |
|
3320 CCssValue* lCssValue = NULL; |
|
3321 |
|
3322 TPtrC lFontFamily; |
|
3323 //Getting font-family property |
|
3324 this->FindProperty( KCSS_ATTR_FONTFAMILY, lCssValue,this ); |
|
3325 if ( lCssValue && ((( CStrCssValueImpl * ) lCssValue )->Value()).Length() != 0) |
|
3326 { |
|
3327 lFontFamily.Set( ( ( CStrCssValueImpl * ) lCssValue )->Value() ); |
|
3328 SetFontFamilyL( lFontFamily ); |
|
3329 } |
|
3330 |
|
3331 //attempt to load svg font files of same font family name |
|
3332 //this boolean will be a problem if we want to be able to swap |
|
3333 //font-family names on the fly and use svg fonts. |
|
3334 if (!iTriedLoadingSVGFonts) |
|
3335 { |
|
3336 LoadExternalSVGFontL(lFontFamily); |
|
3337 iTriedLoadingSVGFonts = ETrue; |
|
3338 } |
|
3339 |
|
3340 //Retrieving Font Element Pointer from the Font Table |
|
3341 //if font in svg document |
|
3342 iSVGFont = NULL; |
|
3343 if ( iFamilies != NULL ) |
|
3344 { |
|
3345 TInt familiesCnt = iFamilies->Count(); |
|
3346 for (int i=0; i< familiesCnt; i++) |
|
3347 { |
|
3348 // In JSR-226 case, the engine may not have been created yet. |
|
3349 if ( ((CSvgDocumentImpl*)iOwnerDocument)->Engine() ) |
|
3350 { |
|
3351 iSVGFont = ( CSvgElementImpl * )((CSvgDocumentImpl*)iOwnerDocument)->Engine()->iFontHashMap->GetFontPtr(iFamilies->operator[]( i )); |
|
3352 } |
|
3353 |
|
3354 if (iSVGFont == NULL) |
|
3355 { |
|
3356 iSVGFont = ( CSvgElementImpl * )((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap->GetFontPtr(iFamilies->operator[]( i ) ); |
|
3357 } |
|
3358 |
|
3359 if (iSVGFont != NULL) |
|
3360 { |
|
3361 //found a font with that family name...continue |
|
3362 break; |
|
3363 } |
|
3364 } |
|
3365 } |
|
3366 |
|
3367 /**********************************************************/ |
|
3368 /* Checking for pre-defined SVG Fonts through the */ |
|
3369 /* retrieved pointer from the Font Table. */ |
|
3370 /* IF the Font is found (ptr!=NULL), SVG Fonts are used */ |
|
3371 /* ELSE Bitmap Font is used through DrawString() method */ |
|
3372 /**********************************************************/ |
|
3373 |
|
3374 if(!iSVGFont) |
|
3375 { |
|
3376 User::Leave(KErrNotFound); |
|
3377 } |
|
3378 |
|
3379 if ( iSVGFont != NULL && iSVGFont->HasChildNodes()) |
|
3380 { |
|
3381 //we found an svg font and are using it... |
|
3382 // iSVGFont->GetAttributeFloat( KAtrHorizOriginX, lFontHorzOrgX ); |
|
3383 // iSVGFont->GetAttributeFloat( KAtrHorizAdvX, lFontHorzAdvX ); |
|
3384 // lMissingGlyphHorzAdvX = lFontHorzAdvX; //Default Value |
|
3385 // TInt checkErrShapeMG = -1;//To keep a value other than KErrNone. Should this be replaced |
|
3386 CacheGlyphsForText(); |
|
3387 } |
|
3388 |
|
3389 |
|
3390 |
|
3391 |
|
3392 |
|
3393 |
|
3394 } |
|
3395 |