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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 #include "SVGLinearGradientElementImpl.h" |
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20 #include "SVGDocumentImpl.h" |
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21 #include "SVGSchemaData.h" |
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22 #include "SvgStopElementImpl.h" |
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23 #include "SVGIntCssValueImpl.h" |
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24 |
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25 #include "GfxAffineTransform.h" |
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26 |
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27 _LIT(X1,"x1"); |
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28 _LIT(X2,"x2"); |
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29 _LIT(Y1,"y1"); |
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30 _LIT(Y2,"y2"); |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 // --------------------------------------------------------------------------- |
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34 CSvgLinearGradientElementImpl* CSvgLinearGradientElementImpl::NewL(const TUint8 aElemID, CSvgDocumentImpl* aDoc ) |
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35 { |
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36 CSvgLinearGradientElementImpl *self = new (ELeave) CSvgLinearGradientElementImpl(aDoc); |
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37 CleanupStack::PushL(self); |
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38 self->ConstructL(aElemID); |
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39 CleanupStack::Pop(self); |
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40 return self; |
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41 } |
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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 void CSvgLinearGradientElementImpl::ConstructL(const TUint8 aElemID) |
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47 { |
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48 CSvgGradientElementImpl::ConstructL(aElemID); |
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49 |
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50 } |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // |
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54 // --------------------------------------------------------------------------- |
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55 CSvgLinearGradientElementImpl::CSvgLinearGradientElementImpl( CSvgDocumentImpl* aDoc ): |
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56 CSvgGradientElementImpl(aDoc) |
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57 { |
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58 iGradientPaint = &iGfxLinearPaint; |
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59 } |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 //Dt:17-Feb-2009 modified the function to support the % values for X1,Y1,X2,Y2 |
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63 //TSW ISSUE ID: ANAE-7NZ8B8 |
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64 // --------------------------------------------------------------------------- |
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65 TInt CSvgLinearGradientElementImpl::SetAttributeL(const TDesC &aName, const TDesC &aValue) |
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66 { |
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67 TFloatFixPt KZero( KFloatFixZero ); |
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68 TFloatFixPt KOne( KFloatFixOne ); |
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69 TFloatFixPt val; |
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70 if ( aName == X1 || aName == X2 || aName == Y1 || aName == Y2 ) |
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71 { |
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72 |
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73 if ( IsValidValue(aValue) ) |
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74 { |
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75 val = TFloatFixPt::ConvertString(aValue); |
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76 if ( aValue.Locate('%') != KErrNotFound ) |
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77 { |
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78 val = val / TFloatFixPt(100); |
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79 } |
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80 } |
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81 else |
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82 { |
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83 if( aName == X2 ) |
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84 { |
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85 val = KOne; |
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86 } |
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87 else |
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88 { |
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89 val = KZero; |
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90 } |
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91 } |
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92 if( aName==X1 ) |
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93 { |
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94 iGfxLinearPaint.iX1 = val; |
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95 } |
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96 else if( aName==Y1 ) |
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97 { |
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98 iGfxLinearPaint.iY1 = val; |
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99 } |
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100 else if( aName==X2 ) |
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101 { |
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102 iGfxLinearPaint.iX2 = val; |
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103 } |
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104 else |
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105 { |
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106 iGfxLinearPaint.iY2 = val; |
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107 } |
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108 |
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109 } |
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110 else |
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111 { |
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112 CSvgGradientElementImpl::SetAttributeL( aName, aValue ); |
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113 } |
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114 return 0; |
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115 } |
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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 MGfxPaint *CSvgLinearGradientElementImpl::PaintAttribute() |
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121 { |
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122 TInt i=0; |
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123 TFloatFixPt lOffset; |
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124 TUint32 lStopColor; |
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125 TFloatFixPt lStopOpacity; |
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126 if( iStopElementData ) |
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127 { |
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128 iStopElementData->Reset(); |
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129 } |
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130 |
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131 TInt svgStopEleArrayCnt = iSvgStopElementArray->Count(); |
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132 for(i=0;i<svgStopEleArrayCnt ;i++) |
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133 { |
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134 CSvgStopElementImpl* temp = (*iSvgStopElementArray)[i]; |
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135 |
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136 // Check if the element has valid offset value. If the offset had invalid value |
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137 // it will be made zero but this function will return FALSE. |
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138 if( temp->IsValidElement() ) |
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139 { |
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140 temp->GetOffset(lOffset); |
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141 temp->GetStopColor(lStopColor); |
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142 temp->GetStopOpacity (lStopOpacity); |
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143 TSvgStopData la ; |
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144 la.iOffset = lOffset; |
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145 la.iStopColor = lStopColor; |
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146 la.iStopOpacity = lStopOpacity; |
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147 TInt error = iStopElementData->Append(la); |
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148 if(error != KErrNone) |
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149 { |
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150 // not enough memory |
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151 break; |
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152 } |
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153 } |
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154 |
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155 } |
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156 iGfxLinearPaint.iStopData = iStopElementData; |
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157 const TGfxAffineTransform& tempTransform = GetCTM(); |
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158 iGradientPaint->iGradientTransform.matrix[0][0] = tempTransform.iM00.iValue; |
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159 iGradientPaint->iGradientTransform.matrix[0][1] = tempTransform.iM01.iValue; |
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160 iGradientPaint->iGradientTransform.matrix[0][2] = tempTransform.iM02.iValue; |
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161 iGradientPaint->iGradientTransform.matrix[1][0] = tempTransform.iM10.iValue; |
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162 iGradientPaint->iGradientTransform.matrix[1][1] = tempTransform.iM11.iValue; |
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163 iGradientPaint->iGradientTransform.matrix[1][2] = tempTransform.iM12.iValue; |
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164 return &iGfxLinearPaint; |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // |
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169 // --------------------------------------------------------------------------- |
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170 TInt CSvgLinearGradientElementImpl::GetAttributeFloat( const TInt aNameId, TFloatFixPt& aValue ) |
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171 { |
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172 switch ( aNameId ) |
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173 { |
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174 case KAtrX1: |
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175 aValue = iGfxLinearPaint.iX1 ; |
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176 break; |
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177 case KAtrY1: |
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178 aValue = iGfxLinearPaint.iY1 ; |
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179 break; |
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180 case KAtrX2 : |
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181 aValue = iGfxLinearPaint.iX2 ; |
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182 break; |
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183 case KAtrY2 : |
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184 aValue = iGfxLinearPaint.iY2 ; |
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185 break; |
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186 default: |
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187 return CSvgElementImpl::GetAttributeFloat( aNameId, aValue ); |
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188 } |
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189 return 0; |
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190 } |
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191 |
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192 // --------------------------------------------------------------------------- |
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193 // |
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194 // --------------------------------------------------------------------------- |
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195 TInt CSvgLinearGradientElementImpl::SetAttributeFloatL( const TInt aNameId, const TFloatFixPt aValue ) |
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196 { |
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197 switch ( aNameId ) |
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198 { |
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199 case KAtrX1: |
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200 iGfxLinearPaint.iX1 = aValue; |
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201 break; |
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202 case KAtrY1: |
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203 iGfxLinearPaint.iY1 = aValue; |
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204 break; |
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205 case KAtrX2 : |
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206 iGfxLinearPaint.iX2 = aValue; |
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207 break; |
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208 case KAtrY2 : |
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209 iGfxLinearPaint.iY2 = aValue; |
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210 break; |
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211 default: |
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212 return CSvgElementImpl::SetAttributeFloatL( aNameId, aValue ); |
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213 } |
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214 return 0; |
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215 } |
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216 TInt CSvgLinearGradientElementImpl::SetAttributeIntL( const TInt aNameId, |
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217 const TInt32 aValue ) |
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218 { |
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219 CSvgGradientElementImpl::SetAttributeIntL( aNameId, |
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220 aValue ); |
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221 return 0; |
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222 |
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223 } |
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224 TInt CSvgLinearGradientElementImpl::GetAttributeIntL( const TInt aNameId, TInt32& aValue ) |
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225 { |
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226 CSvgGradientElementImpl::GetAttributeIntL(aNameId, aValue ); |
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227 return 0; |
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228 } |
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229 |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // |
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233 // --------------------------------------------------------------------------- |
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234 CSvgLinearGradientElementImpl::~CSvgLinearGradientElementImpl() |
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235 { |
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236 |
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237 } |
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238 |
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239 void CSvgLinearGradientElementImpl::Print( TBool aIsEncodeOn ) |
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240 { |
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241 if (!aIsEncodeOn) |
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242 { |
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243 #ifdef _DEBUG |
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244 RDebug::Printf("<linearGradient xlink:href=\"hmm\" spreadMethod=\"hmm\" gradientUnits=\"hmm\" gradientTransform=\"hmm\" x1=\"%d\" y1=\"%d\" x2=\"%d\" y2=\"%d\"/>", |
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245 /*Href(),*/ (int)iGfxLinearPaint.iX1, (int)iGfxLinearPaint.iY1, (int)iGfxLinearPaint.iX2, (int)iGfxLinearPaint.iY2); |
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246 #endif |
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247 } |
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248 } |
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249 TBool CSvgLinearGradientElementImpl::IsValidValue(const TDesC& aValue) |
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250 { |
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251 TBool lValidValue = ETrue; |
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252 // aValue can only contain these characters "-+.%0123456789", If it contains any thing |
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253 // other than this it should be treated as 0. |
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254 |
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255 _LIT(KValidChars,"-+.%0123456789"); |
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256 TBufC<14> lValidChars(KValidChars); |
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257 |
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258 TInt llength = aValue.Length(); |
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259 |
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260 for( int charpos = 0 ; charpos < llength; charpos++ ) |
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261 { |
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262 if( lValidChars.Locate(aValue[charpos]) == KErrNotFound ) |
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263 { |
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264 |
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265 lValidValue = EFalse; |
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266 break; |
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267 } |
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268 } |
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269 |
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270 return lValidValue; |
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271 } |