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1 /* |
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2 * Copyright (c) 2006-2008 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: Image decoding and scaling utility class. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include <e32math.h> |
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21 #include <centralrepository.h> |
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22 #include <SVGEngineInterfaceImpl.h> |
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23 |
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24 #include "aknssrvwallpaperscaling.h" |
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25 #include <aknswallpaperconfprivatecrkeys.h> |
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26 #include <AknsSrvVariant.hrh> |
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27 #include <IclExtJpegApi.h> |
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28 // CONSTANTS |
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29 // Default small image zooming to fullscreen threshold value. |
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30 const TReal KAknsSrvDefaultSmallImageThreshold = 0.33f; |
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31 |
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32 // Extension for gif file. |
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33 //_LIT( KAknsSkinSrvGifFileExt, ".gif" ); |
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34 |
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35 // Extension for jpg file. |
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36 _LIT( KAknsSkinSrvJpegFileExt1, ".jpg" ); |
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37 _LIT( KAknsSkinSrvJpegFileExt2, ".jpeg" ); |
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38 |
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39 |
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40 // ----------------------------------------------------------------------------- |
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41 // Map SVG specific errors to Symbian error codes. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 TInt SvgErrorToSymbianError( const TSvgErrorCode aError ) |
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45 { |
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46 // most common mapping... |
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47 TInt ret = KErrGeneral; |
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48 |
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49 switch ( aError ) |
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50 { |
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51 case ESvgNoError: |
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52 ret = KErrNone; |
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53 break; |
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54 case ESvgFileNotFound: |
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55 ret = KErrNotFound; |
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56 break; |
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57 case ESvgDocumentNotValid: // fall through |
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58 case ESvgDocumentNotAvailable: |
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59 break; |
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60 case ESvgNoMemory: |
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61 ret = KErrNoMemory; |
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62 break; |
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63 case ESvgDiskFull: |
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64 ret = KErrDiskFull; |
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65 break; |
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66 case ESvgUnknown: // fall through |
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67 case ESvgMissingRequiredAttribute: // fall through |
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68 case ESvgInvalidAttributeValue: // fall through |
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69 default: |
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70 break; |
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71 } |
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72 return ret; |
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73 } |
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74 |
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75 // ----------------------------------------------------------------------------- |
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76 // CAknsSrvSVGImageDecoder::NewL |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CAknsSrvSVGImageDecoder* CAknsSrvSVGImageDecoder::NewL() |
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80 { |
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81 CAknsSrvSVGImageDecoder* self = new (ELeave) CAknsSrvSVGImageDecoder; |
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82 CleanupStack::PushL( self ); |
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83 self->ConstructL(); |
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84 CleanupStack::Pop( self ); |
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85 return self; |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CAknsSrvSVGImageDecoder::NewL |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 void CAknsSrvSVGImageDecoder::DecodeImageL( |
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93 const TDesC& aFilename, |
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94 const TSize& aTargetSize, |
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95 CFbsBitmap*& aBitmap, |
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96 CFbsBitmap*& aMask ) |
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97 { |
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98 // create frame and frame mask buffers |
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99 iBitmap = new( ELeave ) CFbsBitmap; |
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100 User::LeaveIfError( iBitmap->Create( aTargetSize, EColor64K ) ); |
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101 |
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102 iMask = new( ELeave ) CFbsBitmap; |
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103 User::LeaveIfError( iMask->Create( aTargetSize, EGray256 ) ); |
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104 |
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105 // Load and render SVG file |
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106 TInt handle = 0; |
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107 LeaveIfErrorL( iSvgEngine->PrepareDom( aFilename, handle ) ); |
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108 LeaveIfErrorL( iSvgEngine->UseDom( handle, iBitmap, iMask ) ); |
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109 iSvgEngine->SetPreserveAspectRatio( |
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110 NULL, |
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111 ESvgPreserveAspectRatio_XmidYmid, |
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112 ESvgMeetOrSlice_Meet, |
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113 ETrue); |
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114 // render frame and frame mask |
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115 iSvgEngine->Start(); |
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116 LeaveIfErrorL( iSvgEngine->UseDom( handle, NULL ) ); |
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117 LeaveIfErrorL( iSvgEngine->DeleteDom( handle ) ); |
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118 aBitmap = iBitmap; |
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119 iBitmap = NULL; |
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120 aMask = iMask; |
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121 iMask = NULL; |
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122 } |
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123 |
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124 // ----------------------------------------------------------------------------- |
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125 // CAknsSrvSVGImageDecoder::NewL |
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126 // ----------------------------------------------------------------------------- |
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127 // |
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128 CAknsSrvSVGImageDecoder::~CAknsSrvSVGImageDecoder() |
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129 { |
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130 delete iDummyBitmap; |
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131 delete iSvgEngine; |
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132 } |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CAknsSrvSVGImageDecoder::CAknsSrvSVGImageDecoder |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 CAknsSrvSVGImageDecoder::CAknsSrvSVGImageDecoder() |
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139 { |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // CAknsSrvSVGImageDecoder::ConstructL |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 void CAknsSrvSVGImageDecoder::ConstructL() |
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147 { |
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148 // Initialize SVG engine |
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149 TFontSpec spec; |
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150 if ( !iDummyBitmap ) |
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151 { |
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152 // Have to give some bitmap to the engine in the constructor. |
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153 iDummyBitmap = new( ELeave ) CFbsBitmap; |
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154 User::LeaveIfError( iDummyBitmap->Create( TSize( 0, 0 ), EGray2 ) ); |
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155 } |
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156 iSvgEngine = CSvgEngineInterfaceImpl::NewL( iDummyBitmap, this, spec ); |
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157 iSvgEngine->SetBackgroundColor( 0 ); |
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158 // No DRM check needed. |
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159 iSvgEngine->SetDRMMode( EFalse ); |
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160 } |
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161 |
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162 // ----------------------------------------------------------------------------- |
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163 // CAknsSrvSVGImageDecoder::LeaveIfErrorL |
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164 // ----------------------------------------------------------------------------- |
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165 // |
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166 void CAknsSrvSVGImageDecoder::LeaveIfErrorL( MSvgError* aError ) |
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167 { |
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168 if ( !aError ) |
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169 { |
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170 User::Leave( KErrGeneral ); |
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171 } |
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172 if ( aError->HasError() && !aError->IsWarning() ) |
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173 { |
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174 User::Leave( SvgErrorToSymbianError( aError->ErrorCode() ) ); |
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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 // CAknsSrvSVGImageDecoder::ScriptCall |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 TBool CAknsSrvSVGImageDecoder::ScriptCall( |
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183 const TDesC& /*aScript*/, |
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184 CSvgElementImpl* /*aCallerElement*/ ) |
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185 { |
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186 return EFalse; |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // CAknsSrvSVGImageDecoder::UpdatePresentation |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 void CAknsSrvSVGImageDecoder::UpdatePresentation( |
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194 const TInt32& /*aNoOfAnimation*/ ) |
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195 { |
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196 } |
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197 |
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198 // ----------------------------------------------------------------------------- |
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199 // CAknsSrvSVGImageDecoder::FetchFont |
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200 // ----------------------------------------------------------------------------- |
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201 // |
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202 TInt CAknsSrvSVGImageDecoder::FetchFont( const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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203 { |
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204 return KErrNotSupported; |
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205 } |
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206 |
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207 // ----------------------------------------------------------------------------- |
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208 // CAknsSrvSVGImageDecoder::FetchImage |
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209 // ----------------------------------------------------------------------------- |
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210 // |
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211 TInt CAknsSrvSVGImageDecoder::FetchImage( |
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212 const TDesC& /*aUri*/, RFs& /*aSession*/, RFile& /*aFileHandle*/ ) |
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213 { |
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214 return KErrNotSupported; |
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215 } |
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216 |
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217 // ----------------------------------------------------------------------------- |
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218 // CAknsSrvSVGImageDecoder::UpdateScreen |
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219 // ----------------------------------------------------------------------------- |
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220 // |
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221 void CAknsSrvSVGImageDecoder::UpdateScreen() |
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222 { |
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223 } |
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224 |
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225 // ----------------------------------------------------------------------------- |
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226 // CAknsSrvImageConverter::CAknsSrvImageConverter |
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227 // ----------------------------------------------------------------------------- |
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228 // |
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229 CAknsSrvImageConverter::CAknsSrvImageConverter() : |
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230 CActive(CActive::EPriorityStandard) |
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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 // CAknsSrvImageConverter::~CAknsSrvImageConverter |
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236 // ----------------------------------------------------------------------------- |
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237 // |
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238 CAknsSrvImageConverter::~CAknsSrvImageConverter() |
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239 { |
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240 Cancel(); |
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241 delete iBitmapScaler; |
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242 iBitmapScaler = NULL; |
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243 } |
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244 |
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245 // ----------------------------------------------------------------------------- |
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246 // CAknsSrvImageConverter::NewL |
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247 // ----------------------------------------------------------------------------- |
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248 // |
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249 CAknsSrvImageConverter* CAknsSrvImageConverter::NewL() |
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250 { |
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251 CAknsSrvImageConverter* self = new (ELeave) CAknsSrvImageConverter; |
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252 CleanupStack::PushL(self); |
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253 self->ConstructL(); |
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254 CleanupStack::Pop( self ); |
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255 return self; |
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256 } |
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257 |
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258 // ----------------------------------------------------------------------------- |
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259 // CAknsSrvImageConverter::ConstructL |
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260 // ----------------------------------------------------------------------------- |
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261 // |
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262 void CAknsSrvImageConverter::ConstructL() |
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263 { |
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264 iBitmapScaler = CBitmapScaler::NewL(); |
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265 CActiveScheduler::Add(this); |
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266 } |
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267 |
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268 // ----------------------------------------------------------------------------- |
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269 // CAknsSrvImageConverter::BeginWait |
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270 // ----------------------------------------------------------------------------- |
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271 // |
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272 void CAknsSrvImageConverter::BeginWait() |
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273 { |
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274 if ( iWaitActive || iWait.IsStarted() ) |
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275 { |
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276 return; |
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277 } |
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278 else |
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279 { |
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280 iWaitActive = ETrue; |
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281 iWait.Start(); |
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282 } |
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283 } |
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284 |
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285 // ----------------------------------------------------------------------------- |
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286 // CAknsSrvImageConverter::EndWait |
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287 // ----------------------------------------------------------------------------- |
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288 // |
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289 void CAknsSrvImageConverter::EndWait() |
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290 { |
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291 if (!iWaitActive) |
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292 { |
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293 return; |
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294 } |
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295 else |
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296 { |
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297 iWaitActive = EFalse; |
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298 iWait.AsyncStop(); |
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299 } |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CAknsSrvImageConverter::RunL |
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304 // ----------------------------------------------------------------------------- |
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305 // |
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306 void CAknsSrvImageConverter::RunL() |
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307 { |
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308 iConversionError = iStatus.Int(); |
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309 EndWait(); |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // CAknsSrvImageConverter::DoCancel |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 void CAknsSrvImageConverter::DoCancel() |
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317 { |
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318 if (iBitmapScaler) |
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319 { |
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320 iBitmapScaler->Cancel(); |
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321 } |
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322 } |
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323 |
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324 // Axis-selection enumeration. |
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325 enum TPLSelection |
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326 { |
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327 EPlX, |
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328 EPlY |
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329 }; |
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330 |
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331 // Result struct. |
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332 struct TCalcStruct |
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333 { |
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334 TPLSelection iPlSelector; // 0 = x, 1 = y |
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335 TReal32 iCropMul; |
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336 TReal32 iStretchMul; |
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337 TReal32 iZoomMul; |
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338 }; |
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339 |
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340 |
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341 // ----------------------------------------------------------------------------- |
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342 // GetScreenSizeL - Calculates screensize. |
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343 // ----------------------------------------------------------------------------- |
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344 // |
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345 TSize GetScreenSizeL() |
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346 { |
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347 RWsSession wsSession; |
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348 User::LeaveIfError(wsSession.Connect()); |
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349 CleanupClosePushL(wsSession); |
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350 CWsScreenDevice* sc = new (ELeave) CWsScreenDevice(wsSession); |
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351 CleanupStack::PushL(sc); |
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352 sc->Construct(); |
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353 |
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354 TSize screensize(0,0); |
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355 TPixelsAndRotation currentSize; |
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356 TPixelsAndRotation defaultSize; |
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357 |
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358 // Fetch all screen modes, and pick the system's active one. |
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359 // We need to use system's screenmode, since default (i.e. foreground) |
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360 // can be different (e.g. client in landscape mode, system in portrait). |
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361 RArray<TInt> screenModes; |
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362 sc->GetScreenSizeModeList(&screenModes); |
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363 TInt currentScreenMode = sc->CurrentScreenMode(); |
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364 if ( currentScreenMode >= 0 && currentScreenMode <= screenModes.Count() -1 ) |
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365 { |
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366 sc->GetScreenModeSizeAndRotation( screenModes[currentScreenMode], currentSize ); |
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367 // Let's assume that first mode is the default. |
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368 sc->GetScreenModeSizeAndRotation( screenModes[0], defaultSize ); |
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369 |
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370 // Check if the client is in different mode than default. |
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371 TBool clientRotated = EFalse; |
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372 if (( currentSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated90 || |
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373 currentSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated270 ) && |
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374 ( defaultSize.iRotation == CFbsBitGc::EGraphicsOrientationNormal || |
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375 defaultSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated180 )) |
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376 { |
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377 clientRotated = ETrue; |
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378 } |
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379 if (( currentSize.iRotation == CFbsBitGc::EGraphicsOrientationNormal || |
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380 currentSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated180 ) && |
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381 ( defaultSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated90 || |
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382 defaultSize.iRotation == CFbsBitGc::EGraphicsOrientationRotated270 )) |
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383 { |
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384 clientRotated = ETrue; |
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385 } |
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386 |
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387 // If client is in different screen mode than the system - flip values. |
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388 if ( clientRotated ) |
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389 { |
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390 screensize.iWidth = currentSize.iPixelSize.iHeight; |
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391 screensize.iHeight = currentSize.iPixelSize.iWidth; |
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392 } |
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393 else |
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394 { |
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395 screensize = currentSize.iPixelSize; |
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396 } |
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397 } |
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398 else |
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399 { |
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400 // Some problem with layout - use foremost screen size. |
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401 screensize = sc->SizeInPixels(); |
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402 } |
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403 screenModes.Reset(); |
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404 screenModes.Close(); |
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405 |
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406 CleanupStack::PopAndDestroy(2);// screendevice, wssession |
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407 return screensize; |
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408 } |
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409 |
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410 // ----------------------------------------------------------------------------- |
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411 // GetWallpaperParametersL - Gets wallpaper parameters. |
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412 // ----------------------------------------------------------------------------- |
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413 // |
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414 void GetWallpaperParametersL( |
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415 TReal& aMaxCropFactor, TReal& aMaxStretchFactor, |
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416 TInt& aScalePriority, |
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417 TSize& aScreenSize, |
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418 TReal& aMaxZoomThreshold ) |
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419 { |
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420 aScreenSize = GetScreenSizeL(); |
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421 // Fetch the wallpaper configuration values from central repository. |
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422 CRepository* wpRepository = CRepository::NewL( KCRUidWallpaperConfiguration ); |
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423 CleanupStack::PushL( wpRepository ); |
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424 TInt crError = KErrNone; |
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425 if (aScreenSize.iWidth > aScreenSize.iHeight) |
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426 { |
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427 //Landscape |
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428 crError = wpRepository->Get( KWpConfLandscapeMaxCropFactor, aMaxCropFactor ); |
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429 if ( crError == KErrNone ) |
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430 { |
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431 crError = wpRepository->Get( KWpConfLandscapeMaxStretchFactor, aMaxStretchFactor ); |
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432 } |
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433 if ( crError == KErrNone ) |
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434 { |
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435 crError = wpRepository->Get( KWpConfLandscapeScalePriority, aScalePriority ); |
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436 } |
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437 if ( crError == KErrNone ) |
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438 { |
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439 crError = wpRepository->Get( KWpConfSmallImageZoomThreshold, aMaxZoomThreshold ); |
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440 } |
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441 } |
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442 else |
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443 { |
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444 //Portrait |
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445 crError = wpRepository->Get( KWpConfPortraitMaxCropFactor, aMaxCropFactor ); |
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446 if ( crError == KErrNone ) |
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447 { |
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448 crError = wpRepository->Get( KWpConfPortaitMaxStretchFactor, aMaxStretchFactor ); |
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449 } |
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450 if ( crError == KErrNone ) |
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451 { |
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452 crError = wpRepository->Get( KWpConfPortraitScalePriority, aScalePriority ); |
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453 } |
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454 if ( crError == KErrNone ) |
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455 { |
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456 crError = wpRepository->Get( KWpConfSmallImageZoomThreshold, aMaxZoomThreshold ); |
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457 } |
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458 } |
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459 |
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460 CleanupStack::PopAndDestroy( wpRepository ); |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // CalculateScaleFactor - calculates the scaling factors (for cropping, zooming |
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465 // and scaling). |
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466 // ----------------------------------------------------------------------------- |
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467 // |
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468 TCalcStruct CalculateScaleFactor( |
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469 TSize aOriginalSize, TSize aTargetSize, TSize& aScreenSize ) |
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470 { |
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471 TCalcStruct result; |
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472 TReal maxCropfactor = 0.0f; |
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473 TReal maxStretchFactor = 0.0f; |
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474 TInt scalePriority = EPrioCrop; |
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475 TReal maxZoomThreshold = 0.0f; |
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476 |
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477 // Fetch the wallpaper configuration values from central repository. |
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478 TRAP_IGNORE( |
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479 GetWallpaperParametersL( |
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480 maxCropfactor, |
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481 maxStretchFactor, |
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482 scalePriority, |
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483 aScreenSize, |
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484 maxZoomThreshold ) ); |
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485 |
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486 result.iPlSelector = EPlX; |
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487 result.iCropMul = 1.0f; |
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488 result.iStretchMul = 1.0f; |
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489 result.iZoomMul = 1.0f; |
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490 |
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491 if ( (aOriginalSize.iWidth <= aTargetSize.iWidth) && |
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492 (aOriginalSize.iHeight <= aTargetSize.iHeight) && |
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493 (scalePriority != EPrioNHDWallpaper) ) |
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494 { |
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495 // source fits completely to the target -> bail out no scaling needed |
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496 return result; |
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497 } |
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498 result.iCropMul = 1.0f - maxCropfactor; |
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499 result.iStretchMul = 1.0f - maxStretchFactor; |
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500 |
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501 TReal32 originalAspect; |
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502 TReal32 targetAspect; |
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503 |
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504 TReal32 plTargetLen; |
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505 TReal32 plZoomedTargetLen; |
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506 TReal32 plOriginalLen; |
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507 |
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508 originalAspect = (TReal32)aOriginalSize.iWidth/(TReal32)aOriginalSize.iHeight; |
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509 targetAspect = (TReal32)aTargetSize.iWidth/(TReal32)aTargetSize.iHeight; |
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510 |
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511 if (originalAspect>targetAspect) |
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512 { |
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513 result.iPlSelector = EPlX; |
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514 plTargetLen = (TReal32)aOriginalSize.iHeight * targetAspect; |
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515 plZoomedTargetLen = aTargetSize.iWidth; |
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516 plOriginalLen = aOriginalSize.iWidth; |
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517 } |
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518 else |
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519 { |
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520 result.iPlSelector = EPlY; |
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521 plOriginalLen = aOriginalSize.iHeight; |
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522 plTargetLen = (TReal32)aOriginalSize.iWidth / targetAspect; |
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523 plZoomedTargetLen = aTargetSize.iHeight; |
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524 } |
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525 |
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526 if (scalePriority == EPrioNHDWallpaper) |
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527 { |
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528 if( ( aOriginalSize.iWidth < aTargetSize.iWidth * maxZoomThreshold ) && |
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529 ( aOriginalSize.iHeight < aTargetSize.iHeight * maxZoomThreshold ) ) |
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530 { |
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531 result.iPlSelector = EPlX; |
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532 result.iCropMul = 1.0f; |
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533 result.iStretchMul = 1.0f; |
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534 result.iZoomMul = 1.0f; |
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535 } |
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536 else if( ( aOriginalSize.iWidth >= aTargetSize.iWidth * maxZoomThreshold ) && |
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537 ( aOriginalSize.iHeight >= aTargetSize.iHeight * maxZoomThreshold ) ) |
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538 { |
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539 result.iStretchMul = 1.0f; |
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540 |
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541 result.iCropMul = plTargetLen / plOriginalLen; |
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542 result.iZoomMul = plZoomedTargetLen / plTargetLen; |
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543 } |
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544 else |
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545 { |
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546 result.iStretchMul = 1.0f; |
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547 result.iZoomMul = 1.0f; |
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548 |
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549 result.iCropMul = plZoomedTargetLen / plOriginalLen; |
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550 } |
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551 |
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552 return result; |
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553 } |
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554 |
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555 |
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556 TReal32 reqMul = plTargetLen / plOriginalLen; |
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557 if (reqMul < ( result.iCropMul * result.iStretchMul ) ) |
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558 { |
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559 result.iZoomMul = plZoomedTargetLen / |
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560 ( result.iCropMul * result.iStretchMul * plOriginalLen ); |
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561 return result; |
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562 } |
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563 |
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564 result.iZoomMul = plZoomedTargetLen / (reqMul*plOriginalLen); |
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565 if (scalePriority == EPrioStretch) |
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566 { |
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567 result.iCropMul = reqMul / result.iStretchMul; |
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568 } |
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569 else if (scalePriority == EPrioCrop) |
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570 { |
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571 result.iStretchMul = reqMul / result.iCropMul; |
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572 if ( result.iStretchMul > 1.0f ) |
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573 { |
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574 // Since stretch is not going to be performed, we can use the available |
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575 // "space" for decreasing the cropped area. |
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576 result.iCropMul = result.iCropMul * result.iStretchMul; |
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577 } |
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578 if ( result.iZoomMul > 1.0f ) |
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579 { |
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580 // Since zooming is not going to be performed, we can use the available |
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581 // "space" for decreasing the cropped area. |
|
582 result.iCropMul = result.iCropMul * result.iZoomMul; |
|
583 } |
|
584 } |
|
585 else |
|
586 { |
|
587 TReal reqMulSqr; |
|
588 Math::Sqrt( reqMulSqr,reqMul ); |
|
589 if ( (reqMulSqr >= ( result.iStretchMul ) ) && |
|
590 (reqMulSqr >= ( result.iCropMul ) ) ) |
|
591 { |
|
592 result.iCropMul = reqMulSqr; |
|
593 result.iStretchMul = reqMul / result.iCropMul; |
|
594 } |
|
595 else |
|
596 { |
|
597 if ( maxCropfactor > maxStretchFactor ) |
|
598 { |
|
599 result.iCropMul = reqMul / result.iStretchMul; |
|
600 } |
|
601 else |
|
602 { |
|
603 result.iStretchMul = reqMul / result.iCropMul; |
|
604 } |
|
605 } |
|
606 } |
|
607 return result; |
|
608 } |
|
609 |
|
610 // ----------------------------------------------------------------------------- |
|
611 // CAknsSrvImageConverter::ScaleAndCropImageL |
|
612 // ----------------------------------------------------------------------------- |
|
613 // |
|
614 void CAknsSrvImageConverter::ScaleAndCropImageL( |
|
615 CFbsBitmap*& aBitmap, const TSize& aTargetSize ) |
|
616 { |
|
617 TSize bitmapsize = aBitmap->SizeInPixels(); |
|
618 TSize screenSize; |
|
619 |
|
620 TCalcStruct calcres = |
|
621 CalculateScaleFactor( aBitmap->SizeInPixels(), aTargetSize, screenSize ); |
|
622 |
|
623 if ( calcres.iCropMul == 1.0f && |
|
624 calcres.iStretchMul == 1.0f && |
|
625 calcres.iZoomMul == 1.0f ) |
|
626 { |
|
627 #ifdef RD_FULLSCREEN_WALLPAPER |
|
628 if ( screenSize.iHeight == 0 || |
|
629 screenSize.iWidth == 0 ) |
|
630 { |
|
631 // error in getting screensize, bail out. |
|
632 return; |
|
633 } |
|
634 TReal32 imageScreenRatio = |
|
635 ((TReal32) bitmapsize.iHeight * (TReal32) bitmapsize.iWidth) / |
|
636 ((TReal32) screenSize.iHeight * (TReal32) screenSize.iWidth); |
|
637 |
|
638 TReal threshold = KAknsSrvDefaultSmallImageThreshold; |
|
639 TInt crError = KErrNone; |
|
640 CRepository* wpRepository = NULL; |
|
641 wpRepository = CRepository::NewL( KCRUidWallpaperConfiguration ); |
|
642 CleanupStack::PushL( wpRepository ); |
|
643 crError = wpRepository->Get( KWpConfSmallImageZoomThreshold, threshold ); |
|
644 if ( crError != KErrNone ) |
|
645 { |
|
646 // Error - use default value. |
|
647 threshold = KAknsSrvDefaultSmallImageThreshold; |
|
648 } |
|
649 CleanupStack::PopAndDestroy( wpRepository ); |
|
650 |
|
651 if ( imageScreenRatio < threshold ) |
|
652 { |
|
653 // image is so small that zooming will not look good enough |
|
654 return; |
|
655 } |
|
656 // If image does not fit, or screensize is corrupted, don't do anything. |
|
657 if ( bitmapsize.iHeight > screenSize.iHeight || |
|
658 bitmapsize.iWidth > screenSize.iWidth ) |
|
659 { |
|
660 // no scaling required, bail out |
|
661 return; |
|
662 } |
|
663 // Image is smaller than screen - zoom. |
|
664 TReal32 ratioX = ( (TReal32)bitmapsize.iWidth / (TReal32)screenSize.iWidth ); |
|
665 TReal32 ratioY = ( (TReal32)bitmapsize.iHeight / (TReal32)screenSize.iHeight ); |
|
666 if ( ratioX > ratioY ) |
|
667 { |
|
668 calcres.iZoomMul = 1.0f / ( (TReal32)bitmapsize.iWidth / (TReal32)screenSize.iWidth ); |
|
669 } |
|
670 else |
|
671 { |
|
672 calcres.iZoomMul = 1.0f / ( (TReal32)bitmapsize.iHeight / (TReal32)screenSize.iHeight ); |
|
673 } |
|
674 #else |
|
675 // no scaling required, bail out |
|
676 return; |
|
677 #endif // RD_FULLSCREEN_WALLPAPER |
|
678 } |
|
679 |
|
680 TSize scaleSize = bitmapsize; |
|
681 if (calcres.iCropMul < 1.0f) |
|
682 { |
|
683 // Crop first. |
|
684 TSize cropSize = bitmapsize; |
|
685 |
|
686 if (calcres.iPlSelector == EPlX) |
|
687 { |
|
688 cropSize.iWidth = (TInt)(calcres.iCropMul*(TReal32)bitmapsize.iWidth+0.5f); |
|
689 } |
|
690 else |
|
691 { |
|
692 cropSize.iHeight = (TInt)(calcres.iCropMul*(TReal32)bitmapsize.iHeight+0.5f); |
|
693 } |
|
694 |
|
695 CFbsBitmap* newbmp = new (ELeave) CFbsBitmap; |
|
696 CleanupStack::PushL(newbmp); |
|
697 newbmp->Create(cropSize, aBitmap->DisplayMode()); |
|
698 CFbsBitmapDevice* bmpdev = CFbsBitmapDevice::NewL(newbmp); |
|
699 CleanupStack::PushL(bmpdev); |
|
700 CFbsBitGc* bmpcxt; |
|
701 User::LeaveIfError(bmpdev->CreateContext(bmpcxt)); |
|
702 CleanupStack::PushL(bmpcxt); |
|
703 bmpcxt->BitBlt(TPoint(0,0), aBitmap, |
|
704 TRect((bitmapsize.iWidth-cropSize.iWidth)/2, |
|
705 (bitmapsize.iHeight-cropSize.iHeight)/2, |
|
706 (bitmapsize.iWidth+cropSize.iWidth)/2, |
|
707 (bitmapsize.iHeight+cropSize.iHeight)/2)); |
|
708 CleanupStack::PopAndDestroy(2); // bmpdev, bmpcxt |
|
709 aBitmap->Reset(); |
|
710 User::LeaveIfError( aBitmap->Duplicate( newbmp->Handle() ) ); |
|
711 bitmapsize = aBitmap->SizeInPixels(); |
|
712 scaleSize = bitmapsize; |
|
713 CleanupStack::PopAndDestroy( newbmp ); |
|
714 } |
|
715 |
|
716 if (calcres.iStretchMul < 1.0f) |
|
717 { |
|
718 if (calcres.iPlSelector == EPlX) |
|
719 { |
|
720 scaleSize.iWidth = (TInt)((TReal32)bitmapsize.iWidth*calcres.iStretchMul+0.5f); |
|
721 } |
|
722 else |
|
723 { |
|
724 scaleSize.iHeight = (TInt)((TReal32)bitmapsize.iHeight*calcres.iStretchMul+0.5f); |
|
725 } |
|
726 } |
|
727 #ifdef RD_FULLSCREEN_WALLPAPER |
|
728 // Finally zoom. |
|
729 scaleSize.iHeight =(TInt)(calcres.iZoomMul*(TReal32)scaleSize.iHeight+0.5f); |
|
730 scaleSize.iWidth =(TInt)(calcres.iZoomMul*(TReal32)scaleSize.iWidth+0.5f); |
|
731 #else |
|
732 if (calcres.iZoomMul < 1.0f) |
|
733 { |
|
734 scaleSize.iHeight =(TInt)(calcres.iZoomMul*(TReal32)scaleSize.iHeight+0.5f); |
|
735 scaleSize.iWidth =(TInt)(calcres.iZoomMul*(TReal32)scaleSize.iWidth+0.5f); |
|
736 } |
|
737 #endif // RD_FULLSCREEN_WALLPAPER |
|
738 |
|
739 if (scaleSize != bitmapsize) |
|
740 { |
|
741 iBitmapScaler->Scale(&iStatus, *aBitmap, scaleSize, EFalse); |
|
742 SetActive(); |
|
743 BeginWait(); |
|
744 User::LeaveIfError(iConversionError); |
|
745 } |
|
746 } |
|
747 |
|
748 // ----------------------------------------------------------------------------- |
|
749 // DivAndRoundUp - divides and rounds up. |
|
750 // ----------------------------------------------------------------------------- |
|
751 // |
|
752 TInt DivAndRoundUp( const TInt aNumber, const TInt aDivider ) |
|
753 { |
|
754 TInt result = aNumber/aDivider; |
|
755 if( aNumber%aDivider ) |
|
756 { |
|
757 result+=1; |
|
758 } |
|
759 return result; |
|
760 } |
|
761 |
|
762 // ----------------------------------------------------------------------------- |
|
763 // CAknsSrvImageConverter::DecodeImageL |
|
764 // ----------------------------------------------------------------------------- |
|
765 // |
|
766 void CAknsSrvImageConverter::DecodeImageL( |
|
767 RFs& aRFs, const TDesC& aFilename, |
|
768 const TSize& aTargetSize, |
|
769 CFbsBitmap*& aBitmap, CFbsBitmap*& aMask , |
|
770 const TSize& aMaxSize) |
|
771 { |
|
772 TSize realsize = aTargetSize; |
|
773 TBool testDecode = (realsize == TSize(-1,-1)); |
|
774 if ( testDecode ) |
|
775 { |
|
776 realsize = TSize(10,10); |
|
777 } |
|
778 |
|
779 CImageDecoder* decoder = NULL; |
|
780 |
|
781 if ( ((aFilename).Right(4).CompareF( KAknsSkinSrvJpegFileExt1 ) == 0) |
|
782 || ((aFilename).Right(5).CompareF( KAknsSkinSrvJpegFileExt2 ) == 0) ) |
|
783 { |
|
784 TRAPD( err, {decoder = CExtJpegDecoder::FileNewL( CExtJpegDecoder::EHwImplementation, |
|
785 aRFs, aFilename,CImageDecoder::EOptionAlwaysThread );}); |
|
786 if ( err != KErrNone ) |
|
787 { |
|
788 decoder = CImageDecoder::FileNewL( aRFs,aFilename, |
|
789 CImageDecoder::EOptionAlwaysThread,KImageTypeJPGUid); |
|
790 } |
|
791 } |
|
792 else |
|
793 { |
|
794 decoder = CImageDecoder::FileNewL( aRFs, aFilename,CImageDecoder::EOptionAlwaysThread); |
|
795 } |
|
796 |
|
797 CleanupStack::PushL(decoder); |
|
798 TFrameInfo frameinfo = decoder->FrameInfo(); |
|
799 TDisplayMode mode; |
|
800 |
|
801 TSize imageSize = decoder->FrameInfo(0).iOverallSizeInPixels; |
|
802 if( imageSize.iWidth*imageSize.iHeight > aMaxSize.iWidth*aMaxSize.iHeight ) |
|
803 { |
|
804 // Image too large |
|
805 User::Leave( KErrTooBig ); |
|
806 } |
|
807 |
|
808 if (frameinfo.iFlags & TFrameInfo::ECanDither) |
|
809 { |
|
810 if ( testDecode ) |
|
811 { |
|
812 mode = EColor256; |
|
813 } |
|
814 else |
|
815 { |
|
816 mode = EColor64K; |
|
817 } |
|
818 } |
|
819 else |
|
820 { |
|
821 mode = frameinfo.iFrameDisplayMode; |
|
822 } |
|
823 |
|
824 TSize bitmapsize = frameinfo.iOverallSizeInPixels; |
|
825 //Comment out for BUG ECLG-7NCFUG |
|
826 // TBool skipReSizing = EFalse; |
|
827 // TInt frameCount = decoder->FrameCount(); |
|
828 // if ( ((aFilename).Right(4).CompareF( KAknsSkinSrvGifFileExt ) == 0) && frameCount > 1 ) |
|
829 // { |
|
830 // skipReSizing = ETrue; |
|
831 // } |
|
832 |
|
833 // // Skip resizing for animated gifs. |
|
834 // if ( !skipReSizing ) |
|
835 // { |
|
836 if (bitmapsize.iWidth >= realsize.iWidth*2&& |
|
837 bitmapsize.iHeight >= realsize.iHeight*2) |
|
838 { |
|
839 // 1/2 size |
|
840 bitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 2); |
|
841 bitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 2); |
|
842 if (bitmapsize.iWidth >= realsize.iWidth*2&& |
|
843 bitmapsize.iHeight >= realsize.iHeight*2) |
|
844 { |
|
845 // 1/4 size |
|
846 bitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 4); |
|
847 bitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 4); |
|
848 if (bitmapsize.iWidth >= realsize.iWidth*2&& |
|
849 bitmapsize.iHeight >= realsize.iHeight*2) |
|
850 { |
|
851 // 1/8 size |
|
852 bitmapsize.iWidth = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iWidth, 8); |
|
853 bitmapsize.iHeight = DivAndRoundUp(frameinfo.iOverallSizeInPixels.iHeight, 8); |
|
854 } |
|
855 } |
|
856 } |
|
857 // } |
|
858 |
|
859 aBitmap = new (ELeave) CFbsBitmap; |
|
860 User::LeaveIfError(aBitmap->Create(bitmapsize, mode)); |
|
861 CleanupStack::PushL(aBitmap); |
|
862 // Does the image contain some kind of mask |
|
863 if (frameinfo.iFlags & TFrameInfo::ETransparencyPossible) |
|
864 { |
|
865 aMask = new (ELeave) CFbsBitmap; |
|
866 // alpha channel mask |
|
867 if (frameinfo.iFlags & TFrameInfo::EAlphaChannel) |
|
868 { |
|
869 User::LeaveIfError(aMask->Create(bitmapsize, EGray256)); |
|
870 } |
|
871 // normal 1 bit mask |
|
872 else |
|
873 { |
|
874 User::LeaveIfError(aMask->Create(bitmapsize, EGray2)); |
|
875 } |
|
876 CleanupStack::PushL(aMask); |
|
877 } |
|
878 |
|
879 TRequestStatus status; |
|
880 if (aMask) |
|
881 { |
|
882 decoder->Convert(&status, *aBitmap, *aMask,0); |
|
883 } |
|
884 else |
|
885 { |
|
886 decoder->Convert(&status, *aBitmap,0); |
|
887 } |
|
888 |
|
889 User::WaitForRequest(status); |
|
890 if ( status.Int() || testDecode ) |
|
891 { |
|
892 if (aMask) |
|
893 { |
|
894 CleanupStack::Pop(2); // bitmap, mask |
|
895 } |
|
896 else |
|
897 { |
|
898 CleanupStack::Pop( aBitmap ); |
|
899 } |
|
900 CleanupStack::PopAndDestroy( decoder ); |
|
901 |
|
902 delete aBitmap; |
|
903 delete aMask; |
|
904 aBitmap = NULL; |
|
905 aMask = NULL; |
|
906 User::Heap().Compress(); |
|
907 |
|
908 // Test decode successful. |
|
909 if ( testDecode && !status.Int() ) |
|
910 { |
|
911 return; |
|
912 } |
|
913 // Decode (test or normal) failed. |
|
914 else |
|
915 { |
|
916 User::Leave(status.Int()); |
|
917 } |
|
918 } |
|
919 |
|
920 // Skip image scale&crop with test decode. |
|
921 if ( !testDecode ) |
|
922 { |
|
923 CAknsSrvImageConverter* converter = CAknsSrvImageConverter::NewL(); |
|
924 CleanupStack::PushL(converter); |
|
925 converter->ScaleAndCropImageL(aBitmap, aTargetSize ); |
|
926 if (aMask) |
|
927 { |
|
928 converter->ScaleAndCropImageL(aMask, aTargetSize ); |
|
929 } |
|
930 CleanupStack::PopAndDestroy(converter); |
|
931 |
|
932 if (aMask) |
|
933 { |
|
934 CleanupStack::Pop(2); // bitmap, mask |
|
935 } |
|
936 else |
|
937 { |
|
938 CleanupStack::Pop( aBitmap ); |
|
939 } |
|
940 CleanupStack::PopAndDestroy( decoder ); |
|
941 } |
|
942 // Compress the heap after image conversion as |
|
943 // image decoder seems to leave heap uncompressed |
|
944 User::Heap().Compress(); |
|
945 } |
|
946 |
|
947 // End of file |