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1 /* |
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2 * Copyright (c) 2006 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: |
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15 * Miscellaneous SVG-T related utility methods. |
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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 |
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21 // ========== INCLUDE FILES ================================ |
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22 |
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23 #include "MsgSvgUtils.h" |
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24 |
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25 #include <SVGEngineInterfaceImpl.h> |
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26 |
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27 // ========== LOCAL CONSTANTS AND MACROS =================== |
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28 |
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29 |
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30 // ========== MEMBER FUNCTIONS ============================= |
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31 |
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32 |
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33 // --------------------------------------------------------- |
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34 // CMsgSvgUtils::CMsgSvgUtils |
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35 // |
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36 // C++ constructor. |
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37 // --------------------------------------------------------- |
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38 // |
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39 EXPORT_C CMsgSvgUtils::CMsgSvgUtils() |
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40 { |
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41 } |
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42 |
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43 // --------------------------------------------------------- |
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44 // CMsgSvgUtils::~CMsgSvgUtils |
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45 // |
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46 // Destructor. |
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47 // --------------------------------------------------------- |
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48 // |
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49 CMsgSvgUtils::~CMsgSvgUtils() |
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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 // CMsgSvgUtils::GenerateThumbnailL |
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55 // |
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56 // Creates SVG-T engine instance and opens the given file handle |
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57 // to it. Calculates the correctly "fitted" thumbnail size from |
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58 // the given maximum size and either from SVG-T engine scaled size |
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59 // or if this is not set then from original SVG-T file dimensions. |
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60 // Finally renders the thumbnail frame to the bitmap & mask. |
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61 // --------------------------------------------------------- |
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62 // |
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63 |
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64 #ifdef RD_SVGT_IN_MESSAGING |
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65 |
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66 EXPORT_C void CMsgSvgUtils::GenerateThumbnailL( RFile& aFile, |
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67 CFbsBitmap* aBitmap, |
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68 CFbsBitmap* aMask, |
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69 TBool aAutomaticDrmControl, |
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70 TSize& aContentSize ) |
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71 { |
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72 TSize maxSize( aContentSize ); |
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73 |
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74 TFontSpec spec; |
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75 CSvgEngineInterfaceImpl* svgEngine = CSvgEngineInterfaceImpl::NewL( aBitmap, this, spec ); |
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76 CleanupStack::PushL( svgEngine ); |
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77 |
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78 svgEngine->SetBackgroundColor( KRgbWhite.Value() ); |
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79 svgEngine->SetDRMRights( aAutomaticDrmControl ); |
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80 |
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81 TInt domHandle( KNullHandle ); |
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82 MSvgError* result = svgEngine->PrepareDom( aFile, domHandle ); |
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83 |
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84 HandleSVGEngineErrorL( result ); |
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85 |
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86 result = svgEngine->UseDom( domHandle, aBitmap, aMask ); |
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87 |
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88 HandleSVGEngineErrorL( result ); |
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89 |
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90 aContentSize = svgEngine->Size(); |
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91 |
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92 if ( aContentSize.iHeight <= 0 && |
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93 aContentSize.iWidth <= 0 ) |
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94 { |
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95 // SVG engine might fail to set proper size so in that case |
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96 // we use the original size. |
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97 aContentSize = svgEngine->GetUnscaledContentSize( domHandle ); |
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98 } |
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99 |
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100 if ( aContentSize.iHeight > 0 && |
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101 aContentSize.iWidth > 0 ) |
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102 { |
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103 TReal widthRatio = static_cast<TReal>( maxSize.iWidth ) / |
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104 static_cast<TReal>( aContentSize.iWidth ); |
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105 TReal heightRatio = static_cast<TReal>( maxSize.iHeight ) / |
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106 static_cast<TReal>( aContentSize.iHeight ); |
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107 |
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108 // Calculate "meet" ratio |
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109 TReal scaleFactor = ( widthRatio < heightRatio ) ? widthRatio : heightRatio; |
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110 |
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111 aContentSize.iHeight *= scaleFactor; |
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112 aContentSize.iWidth *= scaleFactor; |
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113 |
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114 svgEngine->SetSvgDimensionToFrameBuffer( aContentSize.iWidth, aContentSize.iHeight ); |
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115 |
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116 // Chooses view box for SVG files where it has not bee set. |
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117 svgEngine->ChooseViewBoxIfNotSet( domHandle ); |
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118 svgEngine->InitializeEngine(); |
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119 |
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120 // Render the content on consumer provided bitmap |
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121 svgEngine->RenderFrame( NULL, 0 ); |
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122 } |
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123 |
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124 CleanupStack::PopAndDestroy( svgEngine ); |
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125 } |
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126 |
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127 #else |
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128 |
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129 EXPORT_C void CMsgSvgUtils::GenerateThumbnailL( RFile& /*aFile*/, |
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130 CFbsBitmap* /*aBitmap*/, |
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131 CFbsBitmap* /*aMask*/, |
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132 TBool /*aAutomaticDrmControl*/, |
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133 TSize& /*aContentSize*/ ) |
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134 { |
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135 User::Leave( KErrNotSupported ); |
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136 } |
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137 |
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138 #endif |
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139 |
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140 // ----------------------------------------------------------------------------- |
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141 // CMsgSvgUtils::UpdateScreen |
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142 // (other items were commented in a header). |
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143 // ----------------------------------------------------------------------------- |
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144 // |
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145 void CMsgSvgUtils::UpdateScreen() |
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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 // CMsgSvgUtils::ScriptCall |
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151 // (other items were commented in a header). |
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152 // ----------------------------------------------------------------------------- |
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153 // |
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154 TBool CMsgSvgUtils::ScriptCall( const TDesC& /*aScript*/, CSvgElementImpl* /*aCallerElement*/ ) |
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155 { |
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156 return EFalse; |
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157 } |
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158 |
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159 // ----------------------------------------------------------------------------- |
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160 // CMsgSvgUtils::FetchImage |
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161 // (other items were commented in a header). |
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162 // ----------------------------------------------------------------------------- |
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163 // |
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164 TInt CMsgSvgUtils::FetchImage( const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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165 { |
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166 return KErrNotFound; |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CMsgSvgUtils::FetchFont |
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171 // (other items were commented in a header). |
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172 // ----------------------------------------------------------------------------- |
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173 // |
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174 TInt CMsgSvgUtils::FetchFont( const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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175 { |
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176 return KErrNotFound; |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 // CMsgSvgUtils::UpdatePresentation |
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181 // (other items were commented in a header). |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 void CMsgSvgUtils::UpdatePresentation( const TInt32& /*aNoOfAnimation*/ ) |
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185 { |
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186 } |
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187 |
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188 // --------------------------------------------------------- |
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189 // CMsgSvgUtils::HandleSVGEngineErrorL |
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190 // |
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191 // Performs SVG-T engine error resolving. |
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192 // --------------------------------------------------------- |
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193 // |
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194 void CMsgSvgUtils::HandleSVGEngineErrorL( MSvgError* aError ) const |
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195 { |
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196 if ( !aError ) |
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197 { |
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198 User::Leave( KErrNoMemory ); |
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199 } |
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200 else if ( aError->HasError() && !aError->IsWarning() ) |
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201 { |
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202 User::Leave( aError->SystemErrorCode() ); |
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203 } |
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204 } |
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205 |
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206 // End of File |