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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 |
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23 #include "SVGPathElementImpl.h" |
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24 #include "GfxGeneralPath.h" |
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25 #include "SVGDocumentImpl.h" |
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26 #include "SVGSchemaData.h" |
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27 #include "SVGPathDataParser.h" |
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28 |
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29 _LIT( D, "d" ); |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 // --------------------------------------------------------------------------- |
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34 |
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35 CSvgPathElementImpl* CSvgPathElementImpl::NewL( const TUint8 aElemID, |
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36 CSvgDocumentImpl* aDoc ) |
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37 { |
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38 CSvgPathElementImpl*self = new ( ELeave ) CSvgPathElementImpl( aDoc ); |
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39 CleanupStack::PushL( self ); |
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40 self->ConstructL( aElemID ); |
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41 CleanupStack::Pop(); |
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42 |
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43 return self; |
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44 } |
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45 |
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46 |
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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 CSvgPathElementImpl::~CSvgPathElementImpl() |
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52 { |
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53 if(iShape) |
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54 { |
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55 delete iShape; |
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56 iShape = NULL; |
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57 } |
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58 if(iSvgStyleProperties) |
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59 { |
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60 iSvgStyleProperties->Close(); |
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61 delete iSvgStyleProperties; |
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62 iSvgStyleProperties = NULL; |
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63 } |
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64 } |
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65 |
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66 // ******************************************************* |
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67 // From MXmlElement |
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68 |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // |
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72 // --------------------------------------------------------------------------- |
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73 TInt CSvgPathElementImpl::SetAttributeL( const TDesC& aName, |
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74 const TDesC& aValue ) |
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75 { |
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76 |
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77 |
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78 CSvgElementImpl::SetAttributeL(aName,aValue); |
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79 |
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80 if ( aName == D ) |
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81 { |
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82 iReqAttrFlag = 0; |
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83 TSvgPathDataParser::ParsePathData( aValue, iShape ); |
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84 |
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85 // verify path starts with move command |
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86 RArray<TUint32>* typeArray = iShape->PointTypeArray(); |
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87 if ( !typeArray || ( typeArray->Count() > 0 && (*typeArray)[0] != EGfxSegMoveTo ) ) |
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88 { |
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89 if ( iOwnerDocument ) |
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90 { |
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91 _LIT( msg1, "Missing 'move to segment' in <path>" ); |
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92 _LIT(msg2, ""); |
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93 ((CSvgDocumentImpl*)iOwnerDocument)->SetError( KErrNotFound, msg1, msg2 ); |
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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 if (( ((CSvgElementImpl*)iParentNode) != NULL && ((CSvgElementImpl*)iParentNode)->ElemID() == KSvgGlyphElement ) && ( aName == D) ) |
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99 { |
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100 ((CSvgElementImpl*)iParentNode)->SetAttributeL(aName,aValue); |
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101 } |
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102 |
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103 return KErrNone; |
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104 } |
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105 |
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106 // From MXmlElementOpt |
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107 |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 // --------------------------------------------------------------------------- |
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111 TInt CSvgPathElementImpl::GetAttributeFloat( const TInt aNameId, |
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112 TFloatFixPt& aValue ) |
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113 { |
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114 switch ( aNameId ) |
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115 { |
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116 case KAtrRefX: |
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117 aValue = iShape->PointCoordsArray()[0]; |
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118 break; |
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119 case KAtrRefY: |
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120 aValue = iShape->PointCoordsArray()[1]; |
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121 break; |
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122 default: |
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123 return CSvgElementImpl::GetAttributeFloat( aNameId, aValue ); |
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124 } |
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125 return KErrNone; |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // |
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130 // --------------------------------------------------------------------------- |
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131 TInt CSvgPathElementImpl::GetAttributePath( const TInt aNameId, |
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132 CGfxGeneralPath*& aValue ) |
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133 { |
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134 if ( aNameId == KAtrData ) |
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135 { |
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136 aValue = iShape; |
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137 } |
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138 else |
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139 { |
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140 aValue = NULL; |
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141 return KErrNoAttribute; |
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142 } |
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143 |
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144 return KErrNone; |
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145 } |
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146 |
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147 // --------------------------------------------------------------------------- |
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148 // |
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149 // --------------------------------------------------------------------------- |
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150 TInt CSvgPathElementImpl::SetAttributePathL( const TInt aNameId, |
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151 CGfxGeneralPath* aValue ) |
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152 { |
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153 if ( aNameId == KAtrData ) |
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154 { |
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155 // copy aValue into iShape not just reassign pointers - that will cause memory leak |
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156 // copy when CGfxGeneralPath implements a copy method |
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157 iShape->SetPointTypeArrayL( aValue->PointTypeArray() ); |
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158 iShape->SetPointCoordsArrayL( aValue->PointCoordsArrayAll() ); |
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159 if( WasTurnedOff() ) |
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160 { |
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161 // turn it on. this means all the required attributes Are present and |
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162 // hence we can render it. |
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163 _LIT(KInline , "inline"); |
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164 CSvgElementImpl::SetPropertyL(KCSS_ATTR_DISPLAY, KInline); |
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165 SetTurnOff( EFalse ); |
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166 } |
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167 |
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168 } |
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169 else |
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170 { |
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171 return KErrNoAttribute; |
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172 } |
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173 |
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174 return KErrNone; |
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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 TInt CSvgPathElementImpl::SetAttributePathRef( const TInt aNameId, |
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181 CGfxGeneralPath*& aValue ) |
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182 { |
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183 if ( aNameId == KAtrData ) |
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184 { |
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185 |
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186 if(iShape) |
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187 { |
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188 delete iShape; |
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189 iShape= NULL; |
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190 } |
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191 iShape= aValue; |
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192 |
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193 if (( ((CSvgElementImpl*)iParentNode) != NULL && ((CSvgElementImpl*)iParentNode)->ElemID() == KSvgGlyphElement ) && ( aNameId == KAtrD) ) |
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194 { |
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195 ((CSvgElementImpl*)iParentNode)->SetPathAttribute(aNameId,aValue); |
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196 } |
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197 |
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198 } |
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199 else |
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200 { |
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201 return KErrNoAttribute; |
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202 } |
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203 |
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204 return KErrNone; |
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205 } |
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206 |
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207 // --------------------------------------------------------------------------- |
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208 // |
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209 // --------------------------------------------------------------------------- |
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210 TBool CSvgPathElementImpl::DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement ) |
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211 { |
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212 this->DrawShapeL( aGc, *iShape, aElement ); |
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213 return ETrue; |
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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 void CSvgPathElementImpl::ConstructL( const TUint8 aElemID ) |
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220 { |
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221 CSvgElementImpl::InitializeL( aElemID ); |
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222 |
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223 iSvgStyleProperties = new(ELeave) RPointerArray<CCssValue>(KCSS_MAX_ATTR); |
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224 User::LeaveIfError( iSvgStyleProperties->Append( NULL ) ); |
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225 iSvgStyleProperties->Remove( 0 ); |
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226 iSvgTransformable = CSvgTransformableImpl::NewL(); |
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227 |
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228 iShape = CGfxGeneralPath::NewL(); |
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229 iReqAttrFlag=KSVG_PATH_ELEMFLAG; |
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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 // |
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235 // --------------------------------------------------------------------------- |
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236 CSvgPathElementImpl::CSvgPathElementImpl( CSvgDocumentImpl* aDoc ) |
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237 { |
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238 SetOwnerDocument(aDoc); |
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239 } |
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240 |
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241 |
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242 // --------------------------------------------------------------------------- |
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243 // |
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244 // --------------------------------------------------------------------------- |
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245 void CSvgPathElementImpl::GetBBox( TGfxRectangle2D& aBbox ) |
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246 { |
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247 |
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248 if (!iShape || iShape->PointTypeArray()->Count() == 0) |
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249 { |
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250 // The D attribute has not been set yet |
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251 return; |
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252 } |
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253 |
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254 iShape->GetBounds( GetCTM(), aBbox ); |
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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 CSvgPathElementImpl::GetUnscaledBBox( TGfxRectangle2D& aBbox ) |
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261 { |
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262 if (!iShape || iShape->PointTypeArray()->Count() == 0) |
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263 { |
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264 // The D attribute has not been set yet |
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265 return; |
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266 } |
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267 |
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268 TGfxAffineTransform identityTx; |
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269 iShape->GetBounds( identityTx, aBbox ); |
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270 } |
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271 |
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272 // --------------------------------------------------------------------------- |
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273 // perform a deep clone of this object |
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274 // --------------------------------------------------------------------------- |
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275 MXmlElement* CSvgPathElementImpl::CloneL(MXmlElement* aParentElement) |
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276 { |
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277 // create new polyline |
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278 CSvgPathElementImpl* newElement = CSvgPathElementImpl::NewL( this->ElemID(), ((CSvgDocumentImpl*)iOwnerDocument) ); |
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279 |
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280 CleanupStack::PushL(newElement); |
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281 newElement->iParentNode = aParentElement; |
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282 // copy everything over |
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283 this->CopyL(newElement); |
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284 CleanupStack::Pop(); |
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285 return newElement; |
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286 } |
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287 |
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288 // --------------------------------------------------------------------------- |
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289 // perform a deep copy of this object |
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290 // --------------------------------------------------------------------------- |
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291 void CSvgPathElementImpl::CopyL( CSvgPathElementImpl* aDestElement ) |
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292 { |
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293 if(aDestElement) |
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294 { |
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295 // copy stuff from superclass |
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296 this->CSvgElementImpl::CopyL(aDestElement); |
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297 |
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298 // copy iShape |
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299 RArray<TUint32>* lTypes = this->iShape->PointTypeArray(); |
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300 RArray<TFloatFixPt>* lCoords = this->iShape->PointCoordsArrayAll(); |
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301 aDestElement->iShape->SetPointTypeArrayL(lTypes); |
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302 aDestElement->iShape->SetPointCoordsArrayL(lCoords); |
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303 |
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304 // copy the reference to idoc (CSvgDocumentImpl) |
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305 aDestElement->iOwnerDocument = this->iOwnerDocument; |
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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 // |
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311 // --------------------------------------------------------------------------- |
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312 CGfxGeneralPath* CSvgPathElementImpl::GetPathAttribute(TInt aAttributeId) |
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313 { |
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314 if(aAttributeId == KAtrD) |
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315 { |
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316 return iShape; |
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317 } |
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318 return NULL; |
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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 void CSvgPathElementImpl::SetPathAttribute(TInt aAttributeId, CGfxGeneralPath* aPathHandle) |
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324 { |
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325 if(aAttributeId == KAtrD) |
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326 { |
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327 if(iShape != aPathHandle) |
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328 { |
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329 delete iShape; |
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330 iShape = aPathHandle; |
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331 } |
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332 } |
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333 } |
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334 |
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335 void CSvgPathElementImpl::Print( TBool aIsEncodeOn ) |
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336 { |
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337 if (!aIsEncodeOn) |
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338 { |
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339 #ifdef _DEBUG |
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340 RArray<TUint32>* lTypes = this->iShape->PointTypeArray(); |
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341 RArray<TFloatFixPt>* lCoords = this->iShape->PointCoordsArrayAll(); |
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342 |
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343 if (lTypes->Count() != lCoords->Count()) |
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344 { |
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345 RDebug::Printf("Invalid path points and types didnt match", this); |
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346 return; |
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347 } |
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348 |
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349 RDebug::Printf("<path d=\"", this); |
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350 |
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351 TInt lTypesCnt = lTypes->Count(); |
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352 for (TInt i=0; i < lTypesCnt; i++) |
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353 { |
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354 RDebug::Printf("%c ", lTypes->operator[]( i )); |
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355 RDebug::Printf("%d ", (int)(lCoords->operator[]( i ))); |
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356 } |
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357 |
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358 RDebug::Printf(" z\">", this); |
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359 |
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360 #endif |
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361 } |
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362 } |