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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 "SVGEllipseElementImpl.h" |
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23 #include "SVGDocumentImpl.h" |
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24 #include "SVGSchemaData.h" |
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25 |
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26 #include "GfxAffineTransform.h" |
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27 _LIT(KInline , "inline"); |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // |
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31 // --------------------------------------------------------------------------- |
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32 CSvgEllipseElementImpl* CSvgEllipseElementImpl::NewL( const TUint8 aElemID, |
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33 CSvgDocumentImpl* aDoc ) |
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34 { |
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35 CSvgEllipseElementImpl* self = new ( ELeave ) |
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36 CSvgEllipseElementImpl( aDoc ); |
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37 CleanupStack::PushL( self ); |
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38 self->ConstructL( aElemID ); |
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39 CleanupStack::Pop(); |
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40 |
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41 return self; |
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42 } |
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43 |
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44 // --------------------------------------------------------------------------- |
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45 // |
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46 // --------------------------------------------------------------------------- |
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47 CSvgEllipseElementImpl* CSvgEllipseElementImpl::NewLC( const TUint8 aElemID, |
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48 CSvgDocumentImpl* aDoc ) |
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49 { |
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50 CSvgEllipseElementImpl* self = new ( ELeave ) |
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51 CSvgEllipseElementImpl( aDoc ); |
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52 CleanupStack::PushL( self ); |
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53 self->ConstructL( aElemID ); |
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54 |
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55 return self; |
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56 } |
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57 |
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58 |
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59 // --------------------------------------------------------------------------- |
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60 // |
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61 // --------------------------------------------------------------------------- |
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62 void CSvgEllipseElementImpl::ConstructL( const TUint8 aElemID ) |
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63 { |
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64 CSvgElementImpl::InitializeL( aElemID ); |
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65 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR); |
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66 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) ); |
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67 iSvgStyleProperties->Remove( 0 ); |
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68 |
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69 |
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70 |
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71 iSvgTransformable = CSvgTransformableImpl::NewL(); |
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72 //iSvgTests = CSvgTestsImpl::NewL(); |
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73 |
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74 iReqAttrFlag=KSVG_ELLIPSE_ELEMFLAG; |
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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 |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 // --------------------------------------------------------------------------- |
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83 CSvgEllipseElementImpl::~CSvgEllipseElementImpl() |
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84 { |
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85 |
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86 if( iSvgStyleProperties ) |
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87 { |
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88 iSvgStyleProperties->Close(); |
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89 delete iSvgStyleProperties; |
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90 iSvgStyleProperties = NULL; |
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91 } |
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92 } |
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93 |
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94 // --------------------------------------------------------------------------- |
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95 // |
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96 // --------------------------------------------------------------------------- |
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97 |
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98 TFloatFixPt CSvgEllipseElementImpl::Rx() |
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99 { |
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100 #ifdef SVG_FLOAT_BUILD |
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101 return iEllipse.iWidth * .5f; |
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102 #else |
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103 return iEllipse.iWidth >> 1; |
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104 #endif |
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105 } |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 // --------------------------------------------------------------------------- |
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109 TFloatFixPt CSvgEllipseElementImpl::Ry() |
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110 { |
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111 #ifdef SVG_FLOAT_BUILD |
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112 return iEllipse.iHeight * .5f; |
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113 #else |
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114 return iEllipse.iHeight >> 1; |
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115 #endif |
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116 |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // |
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121 // --------------------------------------------------------------------------- |
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122 TFloatFixPt CSvgEllipseElementImpl::Cx() |
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123 { |
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124 #ifdef SVG_FLOAT_BUILD |
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125 return iEllipse.iX + (iEllipse.iWidth * .5f); |
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126 #else |
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127 return iEllipse.iX + (iEllipse.iWidth >> 1); |
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128 #endif |
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129 } |
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130 |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 // --------------------------------------------------------------------------- |
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134 TFloatFixPt CSvgEllipseElementImpl::Cy() |
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135 { |
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136 #ifdef SVG_FLOAT_BUILD |
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137 return iEllipse.iY + (iEllipse.iHeight * .5f); |
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138 #else |
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139 |
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140 return iEllipse.iY + (iEllipse.iHeight >> 1); |
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141 #endif |
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142 |
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143 } |
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144 |
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145 // --------------------------------------------------------------------------- |
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146 // |
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147 // --------------------------------------------------------------------------- |
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148 void CSvgEllipseElementImpl::SetRx( TFloatFixPt aRx ) |
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149 { |
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150 #ifdef SVG_FLOAT_BUILD |
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151 // Both x and width will be changed. |
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152 iEllipse.iX += (iEllipse.iWidth * .5f) - aRx; |
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153 iEllipse.iWidth = aRx * TFloatFixPt(2); |
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154 #else |
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155 // Both x and width will be changed. |
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156 iEllipse.iX += (iEllipse.iWidth >> 1) - aRx; |
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157 iEllipse.iWidth = aRx << 1; |
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158 #endif |
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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 void CSvgEllipseElementImpl::SetRy( TFloatFixPt aRy ) |
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165 { |
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166 #ifdef SVG_FLOAT_BUILD |
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167 // Both x and width will be changed. |
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168 iEllipse.iY += (iEllipse.iHeight * .5f) - aRy; |
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169 iEllipse.iHeight = aRy * TFloatFixPt(2); |
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170 #else |
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171 // Both x and width will be changed. |
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172 iEllipse.iY += (iEllipse.iHeight >> 1) - aRy; |
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173 iEllipse.iHeight = aRy << 1; |
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174 #endif |
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175 } |
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176 |
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177 // --------------------------------------------------------------------------- |
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178 // |
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179 // --------------------------------------------------------------------------- |
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180 void CSvgEllipseElementImpl::SetCx( TFloatFixPt aCx ) |
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181 { |
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182 #ifdef SVG_FLOAT_BUILD |
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183 iEllipse.iX = aCx - (iEllipse.iWidth * .5f); |
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184 #else |
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185 iEllipse.iX = aCx - (iEllipse.iWidth >> 1); |
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186 #endif |
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187 } |
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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 void CSvgEllipseElementImpl::SetCy( TFloatFixPt aCy ) |
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193 { |
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194 #ifdef SVG_FLOAT_BUILD |
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195 iEllipse.iY = aCy - (iEllipse.iHeight * .5f); |
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196 #else |
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197 |
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198 iEllipse.iY = aCy - (iEllipse.iHeight >> 1); |
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199 #endif |
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200 |
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201 } |
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202 |
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203 // --------------------------------------------------------------------------- |
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204 // |
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205 // --------------------------------------------------------------------------- |
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206 TInt CSvgEllipseElementImpl::SetAttributeL( const TDesC& aName, |
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207 const TDesC& aValue ) |
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208 { |
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209 |
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210 CSvgElementImpl::SetAttributeL(aName,aValue); |
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211 |
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212 |
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213 return KErrNone; |
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214 } |
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215 |
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216 // --------------------------------------------------------------------------- |
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217 // |
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218 // --------------------------------------------------------------------------- |
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219 TInt CSvgEllipseElementImpl::GetAttributeFloat( const TInt aNameId, |
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220 TFloatFixPt& aValue ) |
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221 { |
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222 switch ( aNameId ) |
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223 { |
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224 case KAtrCx: |
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225 case KAtrRefX: |
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226 aValue = Cx(); |
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227 break; |
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228 case KAtrCy: |
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229 case KAtrRefY: |
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230 aValue = Cy(); |
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231 break; |
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232 case KAtrRx: |
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233 aValue = Rx(); |
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234 break; |
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235 case KAtrRy: |
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236 aValue = Ry(); |
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237 break; |
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238 default: |
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239 return CSvgElementImpl::GetAttributeFloat( aNameId, aValue ); |
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240 } |
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241 |
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242 return KErrNone; |
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243 } |
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244 |
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245 // --------------------------------------------------------------------------- |
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246 // |
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247 // --------------------------------------------------------------------------- |
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248 TInt CSvgEllipseElementImpl::SetAttributeFloatL( const TInt aNameId, |
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249 const TFloatFixPt aValue ) |
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250 { |
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251 switch ( aNameId ) |
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252 { |
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253 case KAtrCx: |
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254 SetCx( aValue ); |
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255 break; |
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256 case KAtrCy: |
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257 SetCy( aValue ); |
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258 break; |
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259 |
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260 case KAtrRx: |
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261 if(iReqAttrFlag == KAtrSVGElp) |
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262 { |
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263 iReqAttrFlag = KAtrRy; |
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264 } |
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265 else |
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266 { |
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267 iReqAttrFlag = 0; |
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268 if ( WasTurnedOff() ) |
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269 { |
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270 // turn it on. this means all the required attributes Are present and |
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271 // hence we can render it. |
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272 CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, KInline); |
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273 SetTurnOff( EFalse ); |
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274 } |
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275 } |
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276 |
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277 SetRx( aValue ); |
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278 |
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279 |
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280 break; |
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281 case KAtrRy: |
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282 if(iReqAttrFlag == KAtrSVGElp) |
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283 { |
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284 iReqAttrFlag = KAtrRx; |
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285 } |
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286 else |
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287 { |
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288 iReqAttrFlag = 0; |
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289 if ( WasTurnedOff() ) |
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290 { |
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291 // turn it on. this means all the required attributes Are present and |
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292 // hence we can render it. |
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293 CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, KInline); |
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294 SetTurnOff( EFalse ); |
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295 } |
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296 } |
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297 |
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298 SetRy( aValue ); |
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299 break; |
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300 default: |
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301 return CSvgElementImpl::SetAttributeFloatL( aNameId, aValue ); |
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302 } |
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303 |
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304 return KErrNone; |
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305 } |
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306 |
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307 // --------------------------------------------------------------------------- |
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308 // |
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309 // --------------------------------------------------------------------------- |
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310 TBool CSvgEllipseElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement ) |
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311 { |
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312 // If either of width or height is zero no need to draw the ellipse. |
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313 if(iEllipse.iWidth.iValue && iEllipse.iHeight.iValue) |
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314 { |
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315 DrawShapeL( aGc, iEllipse, aElement ); |
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316 } |
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317 return ETrue; |
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318 } |
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319 |
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320 |
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321 |
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322 |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 // --------------------------------------------------------------------------- |
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326 |
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327 CSvgEllipseElementImpl::CSvgEllipseElementImpl( CSvgDocumentImpl* aDoc ) : iEllipse( 0, |
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328 0, |
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329 0, |
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330 0 ) |
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331 { |
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332 SetOwnerDocument(aDoc); |
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333 } |
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334 |
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335 |
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336 // --------------------------------------------------------------------------- |
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337 // |
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338 // --------------------------------------------------------------------------- |
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339 void CSvgEllipseElementImpl::GetBBox( TGfxRectangle2D& aBbox ) |
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340 { |
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341 iEllipse.GetBounds( GetCTM(), aBbox ); |
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342 } |
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343 |
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344 // --------------------------------------------------------------------------- |
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345 // |
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346 // --------------------------------------------------------------------------- |
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347 void CSvgEllipseElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox ) |
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348 { |
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349 TGfxAffineTransform identityTx; |
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350 iEllipse.GetBounds( identityTx, aBbox ); |
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351 } |
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352 |
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353 // --------------------------------------------------------------------------- |
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354 // |
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355 // perform a deep clone of this object |
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356 // --------------------------------------------------------------------------- |
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357 MXmlElement* CSvgEllipseElementImpl::CloneL(MXmlElement* aParentElement) |
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358 { |
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359 // create new ellipse |
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360 |
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361 CSvgEllipseElementImpl* newElement = CSvgEllipseElementImpl::NewL( this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) ); |
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362 |
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363 CleanupStack::PushL(newElement); |
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364 newElement->iParentNode = aParentElement; |
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365 |
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366 // copy everything over |
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367 CopyL(newElement); |
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368 CleanupStack::Pop(); |
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369 return newElement; |
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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 // perform a deep clone of this object |
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375 // --------------------------------------------------------------------------- |
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376 void CSvgEllipseElementImpl::CopyL( CSvgEllipseElementImpl* aDestElement ) |
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377 { |
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378 if(aDestElement) |
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379 { |
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380 |
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381 // copy stuff from superclass |
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382 CSvgElementImpl::CopyL(aDestElement); |
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383 |
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384 // copy iEllipse items special to circle |
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385 aDestElement->iEllipse.iX = iEllipse.iX; |
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386 aDestElement->iEllipse.iY = iEllipse.iY; |
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387 aDestElement->iEllipse.iHeight = iEllipse.iHeight; |
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388 aDestElement->iEllipse.iWidth = iEllipse.iWidth; |
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389 |
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390 // copy the reference to idoc (CSvgDocumentImpl) |
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391 aDestElement->iOwnerDocument = iOwnerDocument; |
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392 } |
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393 } |
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394 |
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395 void CSvgEllipseElementImpl::Print( TBool aIsEncodeOn ) |
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396 { |
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397 if (!aIsEncodeOn) |
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398 { |
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399 #ifdef _DEBUG |
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400 RDebug::Printf("<ellipse x=\"%d\" y=\"%d\" width=\"%d\" height=\"%d\">", (int)iEllipse.iX, (int)iEllipse.iY, (int)iEllipse.iWidth, (int)iEllipse.iHeight); |
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401 #endif |
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402 } |
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403 } |