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1 /* |
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2 * Copyright (c) 2002 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: Format Handler for NGA(will create an extended bitmap) |
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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 |
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20 // INCLUDE FILES |
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21 #include <e32math.h> |
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22 #include <fbs.h> |
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23 #include <mifconvdefs.h> // For definition of EIconFormatSVG |
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24 #include "AknNGAFormatHandler.h" |
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25 #include "AknIconObserver.h" |
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26 #include "AknIconSrvPanic.h" |
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27 #include "AknIconTraces.h" |
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28 #include "AknBitmap.h" |
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29 #include "AknIconManager.h" |
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30 #include "AknIconHeader.h" |
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31 #include <SVGRendererId.h> |
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32 |
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33 // CONSTANTS |
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34 |
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35 |
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36 // ============================ MEMBER FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CAknNGAFormatHandler::CAknNGAFormatHandler |
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40 // C++ default constructor can NOT contain any code, that |
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41 // might leave. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CAknNGAFormatHandler::CAknNGAFormatHandler(TSize aBitmapSize,TDisplayMode aBitmapDspMode,TDisplayMode aMaskDspMode):iBitmapSize(aBitmapSize), |
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45 iBitmapDspMode(aBitmapDspMode), |
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46 iMaskDspMode(aMaskDspMode) |
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47 { |
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48 iData = 0; |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CAknNGAFormatHandler::ConstructL |
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53 // Symbian 2nd phase constructor can leave. |
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54 // ----------------------------------------------------------------------------- |
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55 // |
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56 void CAknNGAFormatHandler::ConstructL(TInt /*aType*/) |
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57 { |
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58 #ifdef __AKNICON_TRACES |
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59 RDebug::Print( _L("AknIcon: %x Calling ConstructL - iSvgEngine: %x"), this, iSvgEngine); |
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60 #endif |
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61 } |
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62 |
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63 CAknNGAFormatHandler* CAknNGAFormatHandler::NewL(TInt aType,TSize aBitmapSize,TDisplayMode aBitmapDspMode,TDisplayMode aMaskDspMode) |
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64 { |
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65 CAknNGAFormatHandler* self = new( ELeave ) CAknNGAFormatHandler(aBitmapSize,aBitmapDspMode,aMaskDspMode); |
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66 CleanupStack::PushL( self ); |
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67 self->ConstructL(aType); |
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68 CleanupStack::Pop(); |
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69 return self; |
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70 } |
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71 |
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72 // Destructor |
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73 CAknNGAFormatHandler::~CAknNGAFormatHandler() |
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74 { |
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75 #ifdef __AKNICON_TRACES |
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76 RDebug::Print( _L("AknIcon: %x Calling ~CAknNGAFormatHandler - iSvgEngine: %x"), this, iSvgEngine); |
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77 #endif |
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78 delete iSvgEngine; |
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79 delete iDummyBitmap; |
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80 delete iData; |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CAknNGAFormatHandler::SetScaleMode |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 void CAknNGAFormatHandler::SetScaleMode( TScaleMode aMode ) |
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88 { |
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89 iMode = aMode; |
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90 } |
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91 |
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92 // ----------------------------------------------------------------------------- |
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93 // CAknNGAFormatHandler::SetRotation |
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94 // ----------------------------------------------------------------------------- |
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95 // |
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96 void CAknNGAFormatHandler::SetRotation( TInt aAngle ) |
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97 { |
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98 iAngle = aAngle; |
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99 } |
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100 |
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101 // ----------------------------------------------------------------------------- |
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102 // CAknNGAFormatHandler::GetContentDimensionsL |
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103 // ----------------------------------------------------------------------------- |
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104 // |
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105 void CAknNGAFormatHandler::GetContentDimensionsL( TAknContentDimensions& aContentDimensions ) |
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106 { |
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107 __ASSERT_DEBUG( iSvgEngine, |
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108 User::Panic( KAknIconSrvPanicCategory, ESrvPanicSvgEngineMissing ) ); |
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109 |
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110 CheckHandleActivatedL( NULL, NULL ); |
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111 |
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112 iSvgEngine->ContentDimensions(aContentDimensions.iWidth,aContentDimensions.iHeight); |
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113 |
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114 if ( aContentDimensions.iWidth <= 0 || aContentDimensions.iHeight <= 0 ) |
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115 { |
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116 User::Leave( KErrNotFound ); |
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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 // CAknNGAFormatHandler::InitializeEngineL |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 void CAknNGAFormatHandler::InitializeEngineL() |
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125 { |
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126 #ifdef __AKNICON_TRACES |
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127 RDebug::Print( _L("AknIcon: %x Calling InitializeEngineL - iSvgEngine: %x"), this, iSvgEngine); |
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128 #endif |
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129 if ( !iSvgEngine ) |
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130 { |
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131 TFontSpec spec; |
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132 |
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133 if ( !iDummyBitmap ) |
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134 { |
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135 // Have to give some bitmap to the engine in the constructor. |
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136 iDummyBitmap = new( ELeave ) CFbsBitmap; |
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137 } |
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138 #ifdef __AKNICON_TRACES |
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139 RDebug::Print( _L("AknIcon: %x In InitializeEngineL - iDummyBitmap: %x"), this, iDummyBitmap); |
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140 #endif |
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141 iSvgEngine = CSvgEngineInterfaceImpl::NewL( iDummyBitmap, this, spec,ESVGRendererTLV ); |
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142 iSvgEngine->SetBackgroundColor( 0xFFFFFFFF ); |
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143 // No DRM check needed. |
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144 iSvgEngine->SetDRMMode( EFalse ); |
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145 } |
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146 #ifdef __AKNICON_TRACES |
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147 RDebug::Print( _L("AknIcon: %x InitializeEngineL called - iSvgEngine: %x"), this, iSvgEngine); |
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148 #endif |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CAknNGAFormatHandler::PrepareIconL |
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153 // ----------------------------------------------------------------------------- |
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154 // |
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155 void CAknNGAFormatHandler::PrepareIconL( const TDesC8& aIconData, TInt& aHandle ) |
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156 { |
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157 InitializeEngineL(); |
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158 |
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159 TInt handle = -1; |
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160 |
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161 #ifdef __AKNICON_TRACES |
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162 RDebug::Print( _L("AknIcon: %x Calling PrepareDom"), this ); |
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163 #endif |
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164 |
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165 LeaveIfErrorL( iSvgEngine->PrepareDom( aIconData, handle ) ); |
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166 |
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167 #ifdef __AKNICON_TRACES |
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168 RDebug::Print( _L("AknIcon: %x PrepareDom called - handle = %d"), this, handle ); |
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169 #endif |
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170 |
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171 aHandle = handle; |
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172 } |
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173 |
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174 // ----------------------------------------------------------------------------- |
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175 // CAknNGAFormatHandler::UsePreparedIconL |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 void CAknNGAFormatHandler::UsePreparedIconL( TInt aHandle ) |
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179 { |
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180 __ASSERT_DEBUG( iSvgEngine, |
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181 User::Panic( KAknIconSrvPanicCategory, ESrvPanicSvgEngineMissing ) ); |
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182 |
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183 if ( aHandle != iHandle ) |
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184 { |
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185 iHandle = aHandle; |
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186 iHandleActivationStatus = ENotActivated; |
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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 // CAknNGAFormatHandler::RenderPreparedIconL |
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192 // ----------------------------------------------------------------------------- |
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193 // |
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194 void CAknNGAFormatHandler::RenderPreparedIconL( |
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195 CFbsBitmap* aBitmap, |
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196 CFbsBitmap* aMask,TSize Bitmapsize,TDisplayMode Bitmapdepth,TDisplayMode Maskdepth, TRgb aColor, TBool aMarginFlag ) |
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197 { |
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198 __ASSERT_DEBUG( iSvgEngine, |
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199 User::Panic( KAknIconSrvPanicCategory, ESrvPanicSvgEngineMissing ) ); |
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200 |
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201 iMask = aMask; |
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202 |
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203 iBitmapSize=Bitmapsize; |
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204 iBitmapDspMode=Bitmapdepth; |
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205 iMaskDspMode=Maskdepth; |
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206 // Make sure iMask is NULL'ed if a leave occurs so that an invalid pointer |
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207 // is not left there. |
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208 CleanupStack::PushL( TCleanupItem( CleanupNullMaskPointer, this ) ); |
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209 |
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210 CheckHandleActivatedL( aBitmap, aMask ); |
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211 |
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212 TReal32 angle = 0; |
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213 TSize size; |
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214 |
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215 if ( iAngle && !iAnimated ) |
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216 { |
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217 // SVG engine wants rotation angle as TReal32 and in radians. |
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218 angle = (TReal32)iAngle / (TReal32)(360 / 2 / (TReal32)KPi); |
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219 iSvgEngine->Rotate(angle, Bitmapsize.iWidth / 2, Bitmapsize.iHeight / 2); |
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220 } |
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221 else |
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222 { |
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223 iSvgEngine->Rotate(0.0f, Bitmapsize.iWidth / 2, Bitmapsize.iHeight / 2); |
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224 } |
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225 |
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226 |
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227 SetEngineScaleMode(); |
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228 MSvgError* aError = NULL; |
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229 iSvgEngine->ChooseViewBoxIfNotSet( iHandle ); |
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230 |
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231 FormCommonHeader(aBitmap, EFalse, aColor, aMarginFlag); |
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232 |
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233 TPtr8 lPtr( iData->Des() ); |
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234 iSvgEngine->Start(aError,&lPtr); |
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235 TRAPD(err,LeaveIfErrorL(aError)); |
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236 if ( err != KErrNone || !iAnimated ) |
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237 { |
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238 // SVG engine cannot handle the situation, where the bitmap given in UseDom |
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239 // is deleted before next UseDom call, this is a workaround for it. |
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240 LeaveIfErrorL( iSvgEngine->UseDom( iHandle,aBitmap,aMask,iBitmapSize,iBitmapDspMode,iMaskDspMode) ); |
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241 iHandleActivationStatus = EActivated; |
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242 |
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243 // Undo any rotation, so that the situation is resetted for the |
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244 // next request with different parameters. |
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245 if ( iAngle ) |
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246 { |
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247 iSvgEngine->Rotate( -angle, size.iWidth / 2, size.iHeight / 2 ); |
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248 } |
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249 |
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250 User::LeaveIfError(err); |
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251 |
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252 CleanupStack::PopAndDestroy(); // CleanupNullMaskPointer |
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253 } |
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254 else |
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255 { |
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256 CleanupStack::Pop(); // Keep mask pointer if animated. |
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257 } |
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258 } |
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259 |
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260 // ----------------------------------------------------------------------------- |
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261 // CAknNGAFormatHandler::UnprepareIcon |
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262 // ----------------------------------------------------------------------------- |
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263 // |
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264 void CAknNGAFormatHandler::UnprepareIcon( TInt aHandle ) |
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265 { |
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266 __ASSERT_DEBUG( iSvgEngine, |
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267 User::Panic( KAknIconSrvPanicCategory, ESrvPanicSvgEngineMissing ) ); |
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268 |
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269 #ifdef __AKNICON_TRACES |
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270 RDebug::Print( _L("AknIcon: %x Calling DeleteDom - handle = %d"), this, aHandle ); |
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271 #endif |
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272 |
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273 iSvgEngine->DeleteDom( aHandle ); |
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274 |
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275 if ( aHandle == iHandle ) |
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276 { |
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277 iHandleActivationStatus = ENotActivated; |
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278 } |
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279 } |
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280 |
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281 // ----------------------------------------------------------------------------- |
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282 // CAknNGAFormatHandler::SetAnimated |
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283 // ----------------------------------------------------------------------------- |
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284 // |
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285 void CAknNGAFormatHandler::SetAnimated( TBool aAnimated ) |
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286 { |
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287 iAnimated = aAnimated; |
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288 } |
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289 |
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290 // ----------------------------------------------------------------------------- |
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291 // CAknNGAFormatHandler::IconFormatType |
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292 // ----------------------------------------------------------------------------- |
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293 // |
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294 TInt CAknNGAFormatHandler::IconFormatType() |
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295 { |
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296 return EIconFormatNGA; |
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297 } |
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298 |
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299 // ----------------------------------------------------------------------------- |
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300 // CAknNGAFormatHandler::SetObserver |
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301 // ----------------------------------------------------------------------------- |
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302 // |
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303 void CAknNGAFormatHandler::SetObserver( MAknIconChangeObserver* aObserver ) |
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304 { |
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305 #ifdef __AKNICON_TRACES |
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306 RDebug::Print( _L("AknIcon: %x Calling SetObserver - aObserver: %x"), this, aObserver); |
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307 #endif |
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308 iObserver = aObserver; |
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309 } |
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310 |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CAknNGAFormatHandler::CheckHandleActivatedL |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 |
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317 void CAknNGAFormatHandler::CheckHandleActivatedL( CFbsBitmap* aBitmap, CFbsBitmap* aMask ) |
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318 { |
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319 if ( !aBitmap ) |
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320 { |
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321 if ( iHandleActivationStatus == ENotActivated ) |
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322 { |
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323 #ifdef __AKNICON_TRACES |
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324 RDebug::Print( |
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325 _L("AknIcon: %x Calling UseDom - Handle = %d, Bitmap ptr = %x, Mask ptr = %x"), |
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326 this, iHandle, aBitmap, aMask ); |
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327 #endif |
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328 LeaveIfErrorL( iSvgEngine->UseDom( iHandle,aBitmap,aMask,iBitmapSize,iBitmapDspMode,iMaskDspMode ) ); |
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329 |
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330 #ifdef __AKNICON_TRACES |
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331 RDebug::Print( |
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332 _L("AknIcon: %x UseDom called - Handle = %d, Bitmap ptr = %x, Mask ptr = %x"), |
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333 this, iHandle, aBitmap, aMask ); |
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334 #endif |
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335 |
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336 iHandleActivationStatus = EActivated; |
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337 } |
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338 } |
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339 else |
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340 { |
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341 if ( iHandleActivationStatus != EActivatedWithFrameBuffer || iAnimated ) |
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342 { |
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343 #ifdef __AKNICON_TRACES |
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344 RDebug::Print( |
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345 _L("AknIcon: %x Calling UseDom - Handle = %d, Bitmap ptr = %x, Mask ptr = %x"), |
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346 this, iHandle, aBitmap, aMask ); |
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347 #endif |
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348 |
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349 LeaveIfErrorL( iSvgEngine->UseDom( iHandle,aBitmap,aMask,iBitmapSize,iBitmapDspMode,iMaskDspMode ) ); |
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350 |
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351 #ifdef __AKNICON_TRACES |
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352 RDebug::Print( |
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353 _L("AknIcon: %x UseDom called - Handle = %d, Bitmap ptr = %x, Mask ptr = %x"), |
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354 this, iHandle, aBitmap, aMask ); |
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355 #endif |
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356 |
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357 iHandleActivationStatus = EActivatedWithFrameBuffer; |
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358 } |
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359 } |
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360 } |
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361 |
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362 |
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363 // ----------------------------------------------------------------------------- |
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364 // CAknNGAFormatHandler::SupportedDisplayMode |
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365 // ----------------------------------------------------------------------------- |
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366 // |
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367 void CAknNGAFormatHandler::SupportedDisplayMode( |
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368 TDisplayMode& aMode, TDisplayMode aPreferredMode ) |
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369 { |
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370 // Modes currently supported by SVG engine are: |
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371 // EGray2, EColor4K, EColor64K, EColor16M |
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372 if ( aMode != EGray2 ) |
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373 { |
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374 aMode = aPreferredMode; |
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375 } |
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376 } |
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377 |
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378 // ----------------------------------------------------------------------------- |
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379 // CAknNGAFormatHandler::UpdateScreen |
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380 // ----------------------------------------------------------------------------- |
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381 // |
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382 void CAknNGAFormatHandler::UpdateScreen() |
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383 { |
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384 if ( iObserver ) |
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385 { |
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386 iObserver->BitmapChanged(); |
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387 } |
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388 else if (iAnimated) |
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389 { |
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390 iSvgEngine->Stop(); |
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391 } |
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392 else |
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393 { |
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394 // skip |
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395 } |
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396 } |
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397 |
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398 // ----------------------------------------------------------------------------- |
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399 // CAknNGAFormatHandler::ScriptCall |
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400 // ----------------------------------------------------------------------------- |
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401 // |
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402 TBool CAknNGAFormatHandler::ScriptCall( |
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403 const TDesC& /*aScript*/, |
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404 CSvgElementImpl* /*aCallerElement*/ ) |
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405 { |
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406 return EFalse; |
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407 } |
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408 |
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409 // ----------------------------------------------------------------------------- |
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410 // CAknNGAFormatHandler::FetchImage |
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411 // ----------------------------------------------------------------------------- |
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412 // |
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413 |
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414 TInt CAknNGAFormatHandler::FetchImage( |
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415 const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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416 { |
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417 return KErrNotSupported; |
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418 } |
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419 |
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420 |
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421 // ----------------------------------------------------------------------------- |
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422 // CAknNGAFormatHandler::SetEngineScaleMode |
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423 // ----------------------------------------------------------------------------- |
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424 // |
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425 |
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426 void CAknNGAFormatHandler::SetEngineScaleMode() |
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427 { |
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428 TSvgPreserveAspectAlignType alignTypeValue = ESvgPreserveAspectRatio_XmidYmid; |
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429 TSvgMeetOrSliceType meetOrSliceTypeValue = ESvgMeetOrSlice_Meet; |
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430 switch ( iMode ) |
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431 { |
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432 case EAspectRatioPreserved: // fall through |
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433 { |
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434 // use default |
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435 break; |
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436 } |
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437 // Ensures SVG content fully covers |
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438 // the area of the icon whilst preserving aspect ratio. |
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439 case EAspectRatioPreservedSlice: |
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440 { |
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441 // alignTypeValue use default |
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442 meetOrSliceTypeValue = ESvgMeetOrSlice_Slice; |
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443 break; |
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444 } |
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445 // EAspectRatioPreservedAndUnusedSpaceRemoved is mapped to |
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446 // the same values as EAspectRatioNotPreserved |
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447 // because we already have a frame buffer |
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448 // with the dimensions that preserves the aspect ratio. |
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449 // This mapping ensures that SVG engine does not calculate aspect |
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450 // ratio twice and potentially resulting in precision loss. |
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451 case EAspectRatioPreservedAndUnusedSpaceRemoved: |
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452 case EAspectRatioNotPreserved: |
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453 { |
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454 alignTypeValue = ESvgPreserveAspectRatio_None; |
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455 // meetOrSliceTypeValue use default |
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456 break; |
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457 } |
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458 default: |
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459 { |
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460 __ASSERT_DEBUG( 0, User::Invariant() ); |
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461 } |
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462 } |
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463 iSvgEngine->SetPreserveAspectRatio( NULL, alignTypeValue, meetOrSliceTypeValue, ETrue); |
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464 } |
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465 |
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466 // ----------------------------------------------------------------------------- |
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467 // CAknNGAFormatHandler::UpdatePresentation |
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468 // ----------------------------------------------------------------------------- |
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469 // |
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470 void CAknNGAFormatHandler::UpdatePresentation( |
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471 const TInt32& /*aNoOfAnimation*/ ) |
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472 { |
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473 } |
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474 |
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475 // ----------------------------------------------------------------------------- |
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476 // CAknNGAFormatHandler::UpdatePresentation |
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477 // ----------------------------------------------------------------------------- |
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478 // |
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479 TInt CAknNGAFormatHandler::FetchFont( const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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480 { |
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481 return KErrNotSupported; |
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482 } |
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483 |
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484 // ----------------------------------------------------------------------------- |
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485 // CAknNGAFormatHandler::LeaveIfErrorL |
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486 // ----------------------------------------------------------------------------- |
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487 // |
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488 void CAknNGAFormatHandler::LeaveIfErrorL( MSvgError* aError ) |
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489 { |
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490 User::LeaveIfNull( aError ); |
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491 if ( aError->HasError() && !aError->IsWarning() ) |
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492 { |
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493 User::LeaveIfError( SvgErrorToSymbianError( aError->ErrorCode() ) ); |
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494 } |
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495 } |
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496 |
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497 // ----------------------------------------------------------------------------- |
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498 // CAknNGAFormatHandler::SvgErrorToSymbianError |
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499 // ----------------------------------------------------------------------------- |
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500 // |
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501 TInt CAknNGAFormatHandler::SvgErrorToSymbianError( const TSvgErrorCode aError ) |
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502 { |
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503 // most common mapping... |
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504 TInt ret = KErrGeneral; |
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505 |
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506 switch ( aError ) |
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507 { |
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508 case ESvgNoError: |
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509 ret = KErrNone; |
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510 break; |
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511 case ESvgFileNotFound: |
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512 ret = KErrNotFound; |
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513 break; |
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514 case ESvgDocumentNotValid: // fall through |
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515 case ESvgDocumentNotAvailable: |
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516 break; |
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517 case ESvgNoMemory: |
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518 ret = KErrNoMemory; |
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519 break; |
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520 case ESvgDiskFull: |
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521 ret = KErrDiskFull; |
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522 break; |
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523 case ESvgUnknown: // fall through |
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524 case ESvgMissingRequiredAttribute: // fall through |
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525 case ESvgInvalidAttributeValue: // fall through |
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526 default: |
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527 break; |
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528 } |
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529 |
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530 return ret; |
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531 } |
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532 |
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533 // ----------------------------------------------------------------------------- |
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534 // CAknNGAFormatHandler::CleanupNullMaskPointer |
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535 // ----------------------------------------------------------------------------- |
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536 // |
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537 void CAknNGAFormatHandler::CleanupNullMaskPointer( TAny* aParam ) |
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538 { |
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539 static_cast<CAknNGAFormatHandler*>( aParam )->iMask = NULL; |
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540 } |
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541 |
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542 void CAknNGAFormatHandler::FormCommonHeader(const CFbsBitmap *aBitmap, TBool isMask,TRgb aColor, TBool aMarginFlag) |
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543 { |
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544 if(!iData) |
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545 iData = HBufC8::New(KIconHeaderLength); |
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546 |
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547 TPtr8 tmpBufPtr (iData->Des()); |
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548 tmpBufPtr.SetLength(KIconHeaderLength); |
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549 TAknIconHeader iconheader(tmpBufPtr); |
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550 iconheader.Initialize(); |
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551 |
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552 iconheader.SetRotation(iAngle); |
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553 |
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554 iconheader.SetIconColor(aColor.Value()); |
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555 |
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556 iconheader.SetScaleMode(iMode); |
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557 |
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558 if(aMarginFlag) |
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559 iconheader.SetMarginCorrection(ETrue); |
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560 |
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561 iconheader.SetIsMask(isMask); |
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562 |
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563 iconheader.SetBitmapId(aBitmap->Handle()); |
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564 } |
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565 |
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566 // End of File |