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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 "SVGFontFaceElementImpl.h" |
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23 #include "SVGDocumentImpl.h" |
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24 #include "SVGSchemaData.h" |
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25 #include "SVGEngineImpl.h" |
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26 |
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27 #include "GfxAffineTransform.h" |
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28 #include "SVGFontHashMap.h" |
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29 |
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30 #ifdef SVG_FONTS_INCLUDE |
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31 |
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32 _LIT( SPACE, " " ); |
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33 |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 // --------------------------------------------------------------------------- |
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37 CSvgFontFaceElementImpl* CSvgFontFaceElementImpl::NewL( const TUint8 aElemID, |
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38 CSvgDocumentImpl* aDoc ) |
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39 { |
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40 CSvgFontFaceElementImpl*self = new ( ELeave ) |
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41 CSvgFontFaceElementImpl( aDoc ); |
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42 CleanupStack::PushL( self ); |
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43 self->ConstructL( aElemID); |
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44 CleanupStack::Pop(); |
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45 |
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46 return self; |
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47 } |
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48 |
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49 // --------------------------------------------------------------------------- |
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50 // |
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51 // --------------------------------------------------------------------------- |
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52 CSvgFontFaceElementImpl* CSvgFontFaceElementImpl::NewLC( const TUint8 aElemID, |
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53 CSvgDocumentImpl* aDoc ) |
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54 { |
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55 CSvgFontFaceElementImpl*self = new ( ELeave ) |
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56 CSvgFontFaceElementImpl( aDoc ); |
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57 CleanupStack::PushL( self ); |
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58 self->ConstructL( aElemID); |
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59 |
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60 return self; |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 // --------------------------------------------------------------------------- |
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66 void CSvgFontFaceElementImpl::ConstructL( const TUint8 aElemID) |
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67 { |
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68 CSvgElementImpl::InitializeL( aElemID); |
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69 iFontFamily = HBufC::NewL( 2 ); |
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70 *iFontFamily = SPACE; |
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71 |
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72 iUnicodeRange = HBufC::NewL( 2 ); |
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73 *iUnicodeRange = SPACE; |
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74 |
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75 #ifdef SVG_FLOAT_BUILD |
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76 iUnitsPerEm = TFloatFixPt( 0 ); |
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77 iAlphabetic = TFloatFixPt( 0 ); |
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78 |
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79 iAscent = TFloatFixPt( 0 ); |
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80 iDescent = TFloatFixPt( 0 ); |
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81 |
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82 iUnderlinePosition = TFloatFixPt( 0 ); |
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83 iUnderlineThickness = TFloatFixPt( 0 ); |
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84 iOverlinePosition = TFloatFixPt( 0 ); |
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85 iOverlineThickness = TFloatFixPt( 0 ); |
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86 iStrikethroughPosition = TFloatFixPt( 0 ); |
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87 iStrikethroughThickness = TFloatFixPt( 0 ); |
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88 #else |
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89 iUnitsPerEm = TFloatFixPt( 0 ,ETrue ); |
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90 iAlphabetic = TFloatFixPt( 0 ,ETrue); |
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91 |
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92 iAscent = TFloatFixPt( 0 ,ETrue ); |
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93 iDescent = TFloatFixPt( 0 ,ETrue ); |
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94 |
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95 iUnderlinePosition = TFloatFixPt( 0 ,ETrue ); |
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96 iUnderlineThickness = TFloatFixPt( 0 ,ETrue ); |
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97 iOverlinePosition = TFloatFixPt( 0 ,ETrue ); |
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98 iOverlineThickness = TFloatFixPt( 0 ,ETrue ); |
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99 iStrikethroughPosition = TFloatFixPt( 0 ,ETrue ); |
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100 iStrikethroughThickness = TFloatFixPt( 0 ,ETrue ); |
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101 #endif |
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102 |
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103 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR); |
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104 |
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105 // This is required to allocate buffer up to granularity so that the |
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106 // following Insert calls cannot leave. |
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107 |
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108 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) ); |
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109 iSvgStyleProperties->Remove( 0 ); |
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110 } |
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111 |
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112 |
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113 // --------------------------------------------------------------------------- |
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114 // |
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115 // --------------------------------------------------------------------------- |
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116 CSvgFontFaceElementImpl::~CSvgFontFaceElementImpl() |
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117 { |
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118 //AJD this whole thing needs to be replaced with some sort of external resource registry area.... |
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119 //for images, fonts, other svg files |
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120 if ( ((CSvgDocumentImpl*)iOwnerDocument)->Engine() && ((CSvgDocumentImpl*)iOwnerDocument)->Engine()->iFontHashMap) |
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121 { |
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122 TRAPD(err, ((CSvgDocumentImpl*)iOwnerDocument)->Engine()->iFontHashMap->RemoveReferenceFromFontL(iFontFamily->Des())); |
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123 if (err) |
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124 { |
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125 #ifdef _DEBUG |
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126 RDebug::Printf("CSvgFontFaceElementImpl::~CSvgFontFaceElementImpl: Error trapped=%d", err); |
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127 #endif |
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128 } |
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129 } |
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130 |
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131 if ( (CSvgDocumentImpl*)iOwnerDocument && ((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap) |
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132 { |
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133 TRAPD(err, ((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap->RemoveReferenceFromFontL(iFontFamily->Des())); |
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134 if (err) |
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135 { |
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136 #ifdef _DEBUG |
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137 RDebug::Printf("CSvgFontFaceElementImpl::~CSvgFontFaceElementImpl: Error trapped=%d", err); |
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138 #endif |
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139 } |
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140 } |
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141 |
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142 if ( iFontFamily ) |
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143 { |
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144 delete iFontFamily; |
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145 iFontFamily = NULL; |
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146 } |
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147 |
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148 if ( iUnicodeRange ) |
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149 { |
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150 delete iUnicodeRange; |
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151 iUnicodeRange = NULL; |
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152 } |
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153 |
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154 if ( iSvgStyleProperties ) |
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155 { |
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156 iSvgStyleProperties->Close(); |
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157 delete iSvgStyleProperties; |
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158 iSvgStyleProperties = NULL; |
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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 // From SVG DOM |
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164 |
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165 // --------------------------------------------------------------------------- |
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166 // |
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167 // --------------------------------------------------------------------------- |
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168 const TDesC* CSvgFontFaceElementImpl::GetFontFamily( ) |
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169 { |
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170 return iFontFamily; |
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171 } |
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172 |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // |
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176 // --------------------------------------------------------------------------- |
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177 TFloatFixPt CSvgFontFaceElementImpl::GetAscent() |
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178 { |
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179 return iAscent; |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // |
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184 // --------------------------------------------------------------------------- |
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185 TFloatFixPt CSvgFontFaceElementImpl::GetDescent() |
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186 { |
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187 return iDescent; |
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188 } |
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189 |
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190 // --------------------------------------------------------------------------- |
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191 // |
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192 // --------------------------------------------------------------------------- |
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193 TFloatFixPt CSvgFontFaceElementImpl::GetUnitsPerEm() |
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194 { |
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195 return iUnitsPerEm; |
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196 } |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 // |
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200 // --------------------------------------------------------------------------- |
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201 TFloatFixPt CSvgFontFaceElementImpl::GetAlphabetic() |
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202 { |
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203 return iAlphabetic; |
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204 } |
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205 |
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206 // ******************************************************* |
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207 // SVG Implementation |
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208 |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 // --------------------------------------------------------------------------- |
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212 void CSvgFontFaceElementImpl::SetFontFamilyL( const TDesC& aFontFamily ) |
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213 { |
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214 if ( iFontFamily ) |
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215 { |
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216 delete iFontFamily; |
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217 iFontFamily = NULL; |
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218 } |
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219 iFontFamily = aFontFamily.AllocL(); |
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220 |
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221 if(iOwnerDocument) |
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222 { |
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223 //FOR JSR226 we have to store at document level |
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224 //since it doesnt have an engine at parsing time |
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225 ((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap->AddFontL((CSvgFontElementImpl*) ParentNode(), *iFontFamily); |
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226 |
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227 //Get the parent element(FontElement) and store it in the FontMap Table. |
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228 CSvgEngineImpl* lEngine = ((CSvgDocumentImpl*)iOwnerDocument)->Engine(); |
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229 if (lEngine) |
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230 { |
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231 lEngine->iFontHashMap->AddFontL((CSvgFontElementImpl*)ParentNode(), *iFontFamily); |
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232 } |
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233 |
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234 } |
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235 } |
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236 // -------------------------------------------------------------------------- |
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237 // CSvgFontFaceElementImpl::RemoveFontFamily |
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238 // Remove the font-family from the hash map |
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239 // -------------------------------------------------------------------------- |
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240 void CSvgFontFaceElementImpl::RemoveFontFamily(const TDesC& aFontFamily) |
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241 { |
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242 |
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243 if(iOwnerDocument) |
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244 { |
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245 |
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246 ((CSvgDocumentImpl*)iOwnerDocument)->iFontHashMap->RemoveReferenceFromFontL(aFontFamily); |
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247 |
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248 CSvgEngineImpl* lEngine = ((CSvgDocumentImpl*)iOwnerDocument)->Engine(); |
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249 if (lEngine) |
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250 { |
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251 lEngine->iFontHashMap->RemoveReferenceFromFontL(aFontFamily); |
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252 } |
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253 |
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254 } |
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255 } |
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256 |
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257 // --------------------------------------------------------------------------- |
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258 // |
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259 // --------------------------------------------------------------------------- |
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260 void CSvgFontFaceElementImpl::SetUnicodeRangeL( const TDesC& aUnicodeRange ) |
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261 { |
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262 if ( iUnicodeRange ) |
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263 { |
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264 delete iUnicodeRange; |
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265 iUnicodeRange = NULL; |
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266 } |
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267 iUnicodeRange = aUnicodeRange.AllocL(); |
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268 } |
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269 |
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270 |
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271 |
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272 // ******************************************************* |
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273 // From MXmlElement |
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274 |
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275 // --------------------------------------------------------------------------- |
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276 // |
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277 // --------------------------------------------------------------------------- |
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278 TInt CSvgFontFaceElementImpl::SetAttributeL( const TDesC& aName, |
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279 const TDesC& aValue ) |
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280 { |
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281 CSvgElementImpl::SetAttributeL(aName,aValue); |
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282 _LIT( KUnicodeRange, "unicode-range" ); |
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283 if ( aName == KUnicodeRange ) |
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284 { |
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285 SetUnicodeRangeL( aValue ); |
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286 } |
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287 return KErrNone; |
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288 } |
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289 |
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290 // --------------------------------------------------------------------------- |
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291 // |
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292 // --------------------------------------------------------------------------- |
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293 TInt CSvgFontFaceElementImpl::SetAttributeFloatL( const TInt aNameId, |
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294 const TFloatFixPt aValue ) |
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295 { |
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296 switch ( aNameId ) |
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297 { |
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298 case KAtrAscent: iAscent = aValue; |
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299 break; |
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300 case KAtrDescent: iDescent = aValue; |
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301 break; |
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302 case KAtrAlphabetic: iAlphabetic = aValue; |
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303 break; |
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304 case KAtrUnderlinePosition: iUnderlinePosition = aValue; |
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305 break; |
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306 case KAtrUnderlineThickness: iUnderlineThickness = aValue; |
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307 break; |
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308 case KAtrOverlinePosition: iOverlinePosition = aValue; |
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309 break; |
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310 case KAtrOverlineThickness: iOverlineThickness = aValue; |
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311 break; |
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312 case KAtrStrikethroughPosition: iStrikethroughPosition = aValue; |
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313 break; |
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314 case KAtrStrikethroughThickness: iStrikethroughThickness = aValue; |
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315 break; |
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316 case KAtrUnitsPerEm: iUnitsPerEm = aValue; |
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317 break; |
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318 default: |
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319 return CSvgElementImpl::SetAttributeFloatL( aNameId, aValue ); |
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320 } |
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321 return KErrNone; |
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322 } |
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323 |
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324 |
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325 // From MXmlElementOpt |
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326 |
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327 // --------------------------------------------------------------------------- |
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328 // |
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329 // --------------------------------------------------------------------------- |
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330 TInt CSvgFontFaceElementImpl::GetAttributeFloat( const TInt aNameId, |
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331 TFloatFixPt& aValue ) |
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332 { |
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333 switch ( aNameId ) |
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334 { |
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335 case KAtrUnitsPerEm: |
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336 aValue = GetUnitsPerEm(); |
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337 break; |
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338 case KAtrAscent: |
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339 aValue = GetAscent(); |
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340 break; |
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341 case KAtrDescent: |
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342 aValue = GetDescent(); |
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343 break; |
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344 case KAtrAlphabetic: |
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345 aValue = GetAlphabetic(); |
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346 break; |
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347 case KAtrUnderlinePosition: |
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348 aValue = iUnderlinePosition; |
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349 break; |
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350 case KAtrUnderlineThickness: |
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351 aValue = iUnderlineThickness; |
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352 break; |
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353 case KAtrOverlinePosition: |
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354 aValue = iOverlinePosition; |
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355 break; |
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356 case KAtrOverlineThickness: |
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357 aValue = iOverlineThickness; |
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358 break; |
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359 case KAtrStrikethroughPosition: |
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360 aValue = iStrikethroughPosition; |
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361 break; |
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362 case KAtrStrikethroughThickness: |
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363 aValue = iStrikethroughThickness; |
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364 break; |
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365 default: |
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366 return CSvgElementImpl::GetAttributeFloat( aNameId, aValue ); |
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367 } |
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368 |
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369 return KErrNone; |
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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 // --------------------------------------------------------------------------- |
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375 TInt CSvgFontFaceElementImpl::GetAttributeDes( const TInt aNameId, |
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376 TPtrC16& aValue ) |
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377 { |
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378 switch ( aNameId ) |
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379 { |
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380 case KAtrUnicodeRange: |
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381 { |
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382 if ( ( iUnicodeRange->Length() > 2 ) ) |
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383 { |
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384 aValue.Set( *iUnicodeRange ); |
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385 break; |
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386 } |
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387 else |
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388 return KErrNoAttribute; |
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389 } |
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390 default: |
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391 return CSvgElementImpl::GetAttributeDes( aNameId, aValue ); |
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392 } |
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393 return KErrNone; |
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394 } |
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395 |
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396 // ******************************************************* |
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397 // From CSvgElementImpl |
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398 |
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399 // perform a deep clone of this object |
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400 // --------------------------------------------------------------------------- |
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401 // |
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402 // --------------------------------------------------------------------------- |
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403 MXmlElement* CSvgFontFaceElementImpl::CloneL(MXmlElement*) |
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404 { |
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405 return NULL; |
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406 } |
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407 |
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408 // --------------------------------------------------------------------------- |
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409 // |
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410 // --------------------------------------------------------------------------- |
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411 TBool CSvgFontFaceElementImpl::DrawL( CGfx2dGc* /* aGc */, |
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412 CSvgElementImpl* /* aElement */ ) |
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413 { |
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414 return EFalse; |
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415 } |
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416 |
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417 |
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418 // ******************************************************* |
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419 // Private |
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420 |
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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 // --------------------------------------------------------------------------- |
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426 |
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427 CSvgFontFaceElementImpl::CSvgFontFaceElementImpl( CSvgDocumentImpl* aDoc ) |
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428 { |
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429 SetOwnerDocument(aDoc); |
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430 } |
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431 |
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432 void CSvgFontFaceElementImpl::Print( TBool aIsEncodeOn ) |
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433 { |
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434 if (!aIsEncodeOn) |
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435 { |
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436 #ifdef _DEBUG |
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437 RDebug::Printf("<font-face font-family=\"hmm\" alphabetic=\"%d\" underline-position=\"%d\" underline-thickness=\"%d\" overline-position=\"%d\" overline-thickness=\"%d\" strikethrough-position=\"%d\" strikethrough-thickness=\"%d\" unicode-range=\"hmm\" units-per-em=\"%d\" ascent=\"%d\" descent=\"%d\"\\>", |
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438 /*iFontFamily,*/ (int)iAlphabetic, (int)iUnderlinePosition, (int)iUnderlineThickness, (int)iOverlinePosition, (int)iOverlineThickness, (int)iStrikethroughPosition, (int)iStrikethroughThickness, /*iUnicodeRange->Des(),*/ (int)iUnitsPerEm, (int)iAscent, (int)iDescent); |
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439 #endif |
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440 } |
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441 } |
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442 |
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443 #endif //ifdef SVG_FONTS_INCLUDE |