1 /* |
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2 * Copyright (c) 2005-2007 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 * |
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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 "gsasyncimagehandling.h" |
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21 #include <aknappui.h> |
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22 #include <AknUtils.h> |
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23 #include <applayout.cdl.h> |
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24 #include <aknlayoutscalable_apps.cdl.h> |
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25 #include <startupdomaincrkeys.h> |
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26 |
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27 #include "mgsasyncimagehandlingobserver.h" |
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28 #include "GsLogger.h" |
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29 |
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30 #include <CPhCltImageHandler.h> |
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31 #include <CPhCltImageParams.h> |
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32 #include <CPhCltBaseImageParams.h> |
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33 |
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34 //_LIT( KGSWelcomeNoteImgPath, "c:\\private\\100058ec\\welcomeimage.mbm"); |
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35 |
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36 const TInt KGSVTStillImageWidth = 176; |
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37 const TInt KGSVTStillImageHeight = 144; |
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38 |
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39 |
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40 // ================= MEMBER FUNCTIONS ======================= |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // CGSAsyncImageHandling::CGSAsyncImageHandling |
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44 // C++ constructor. |
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45 // |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 CGSAsyncImageHandling::CGSAsyncImageHandling( RFs& aFs, |
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49 MGSAsyncImageHandlingObserver* aObserver, |
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50 const TDesC& aDestinationPath ) |
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51 : CActive( EPriorityNormal ), |
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52 iObserver( aObserver ), |
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53 iFs( aFs ), |
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54 iDestinationPath( aDestinationPath ) |
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55 |
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56 { |
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57 CActiveScheduler::Add( this ); |
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58 } |
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59 |
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60 |
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61 // --------------------------------------------------------------------------- |
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62 // CGSAsyncImageHandling::NewL() |
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63 // C++ constructor. |
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64 // |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 EXPORT_C CGSAsyncImageHandling* CGSAsyncImageHandling::NewL( RFs& aFs, |
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68 MGSAsyncImageHandlingObserver* aObserver, |
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69 const TDesC& aDestinationPath ) |
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70 { |
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71 CGSAsyncImageHandling* self = |
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72 new( ELeave ) CGSAsyncImageHandling( aFs, aObserver, |
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73 aDestinationPath ); |
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74 CleanupStack::PushL( self ); |
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75 self->ConstructL(); |
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76 CleanupStack::Pop(); |
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77 |
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78 return self; |
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79 } |
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80 |
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81 |
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82 // ----------------------------------------------------------------------------- |
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83 // CGSAsyncImageHandling::ConstructL |
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84 // Symbian 2nd phase constructor can leave. |
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85 // |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 void CGSAsyncImageHandling::ConstructL() |
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89 { |
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90 iStartupRepository = CRepository::NewL( KCRUidStartupConf ); |
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91 iBitmapScaler = CBitmapScaler::NewL(); |
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92 } |
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93 |
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94 |
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95 // --------------------------------------------------------------------------- |
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96 // CGSAsyncImageHandling::~CGSAsyncImageHandling |
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97 // destructor. |
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98 // |
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99 // --------------------------------------------------------------------------- |
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100 // |
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101 CGSAsyncImageHandling::~CGSAsyncImageHandling() |
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102 { |
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103 Cancel(); |
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104 |
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105 if ( iStartupRepository ) |
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106 { |
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107 delete iStartupRepository; |
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108 } |
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109 |
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110 if( iDecoder ) |
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111 { |
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112 delete iDecoder; |
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113 } |
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114 |
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115 if ( iBitmapScaler ) |
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116 { |
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117 delete iBitmapScaler; |
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118 } |
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119 |
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120 if ( iBitmap ) |
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121 { |
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122 delete iBitmap; |
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123 } |
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124 } |
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125 |
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126 // --------------------------------------------------------------------------- |
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127 // CGSAsyncImageHandling::ProcessImageL |
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128 // |
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129 // Processing the image asynchronously |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 void CGSAsyncImageHandling::ProcessImageL( const TDesC& aFileName, |
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133 TInt aScreenWidth, |
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134 TInt aScreenHeight, |
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135 TGSBgImageType aBgImageType ) |
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136 { |
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137 __GSLOGSTRING1( "[CGSAsyncImageHandling] process image %S", &aFileName ); |
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138 |
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139 TInt frameNumber = 0; //for JPEG & bmp images |
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140 iBgImageType = aBgImageType; |
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141 |
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142 // make sure there is no memory leaks because of iBitmap and iDimmedBmp |
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143 if (iBitmap) |
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144 { |
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145 delete iBitmap; |
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146 iBitmap = NULL; |
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147 } |
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148 iBitmap = new(ELeave) CFbsBitmap; |
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149 |
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150 // Loading image from file into CFbsBitmap |
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151 CImageDecoder::GetMimeTypeFileL( iFs, aFileName, iMimeString ); |
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152 iDecoder = CImageDecoder::FileNewL( iFs, aFileName, |
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153 CImageDecoder::EOptionNone ); |
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154 |
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155 TFrameInfo frameInfo = iDecoder->FrameInfo(); |
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156 TSize imgSize = frameInfo.iOverallSizeInPixels; |
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157 |
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158 |
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159 TDisplayMode displayMode = GetDisplayMode( frameInfo ); |
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160 |
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161 TSize screenSize( aScreenWidth, aScreenHeight ); |
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162 TSize loadSize( CalculateLoadSize( frameInfo, screenSize ) ); |
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163 iScaleSize = loadSize; |
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164 |
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165 iBitmap->Reset(); |
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166 User::LeaveIfError( iBitmap->Create( imgSize, displayMode ) ); |
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167 iDecoder->Convert( &iStatus, *iBitmap, frameNumber ); |
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168 |
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169 if ( aBgImageType == EGSWelcomeNoteImage ) |
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170 { |
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171 iState = EGSWelcomeConversion; |
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172 } |
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173 else if ( aBgImageType == EGSVtStillImage ) |
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174 { |
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175 iState = EGSVTConversion; |
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176 } |
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177 |
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178 SetActive(); |
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179 } |
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180 |
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181 // --------------------------------------------------------------------------- |
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182 // CGSAsyncImageHandling::GetDisplayMode |
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183 // |
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184 // Dithers the image to attain the required dithering according to the display |
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185 // mode settings |
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186 // --------------------------------------------------------------------------- |
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187 // |
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188 TDisplayMode CGSAsyncImageHandling::GetDisplayMode( const TFrameInfo& aFrameInfo ) |
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189 { |
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190 if( aFrameInfo.iFlags & TFrameInfo::ECanDither ) |
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191 { |
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192 if( aFrameInfo.iFrameDisplayMode < EColor64K ) |
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193 { |
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194 return aFrameInfo.iFrameDisplayMode; |
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195 } |
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196 else |
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197 { |
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198 return EColor64K; |
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199 } |
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200 } |
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201 else |
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202 { |
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203 return aFrameInfo.iFrameDisplayMode; |
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204 } |
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205 } |
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206 |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CGSAsyncImageHandling::RunL |
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210 // |
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211 // |
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212 // --------------------------------------------------------------------------- |
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213 // |
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214 void CGSAsyncImageHandling::RunL() |
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215 { |
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216 if( iStatus.Int() == KErrNone ) |
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217 { |
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218 switch( iState ) |
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219 { |
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220 case EGSWelcomeConversion: |
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221 iBitmapScaler->Scale(&iStatus, *iBitmap, iScaleSize, ETrue ); |
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222 iState = EGSWelcomeScaling; |
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223 SetActive(); |
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224 break; |
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225 |
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226 case EGSWelcomeScaling: |
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227 { |
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228 TInt err = iBitmap->Save( iDestinationPath ); |
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229 iStartupRepository->Set( KStartupWelcomeNoteImage, |
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230 iDestinationPath ); |
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231 |
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232 //raising completion event |
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233 iObserver->ImageHandlingCompleteL( iStatus.Int() ); |
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234 Cancel(); |
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235 } |
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236 break; |
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237 |
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238 case EGSVTConversion: |
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239 iBitmapScaler->Scale(&iStatus, *iBitmap, iScaleSize, ETrue ); |
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240 iState = EGSVTScaling; |
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241 SetActive(); |
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242 break; |
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243 |
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244 case EGSVTScaling: |
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245 SaveVTStillImageL(); |
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246 iObserver->ImageHandlingCompleteL( iStatus.Int() ); |
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247 Cancel(); |
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248 break; |
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249 |
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250 default: |
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251 break; |
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252 } |
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253 } |
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254 else |
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255 { |
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256 iObserver->ImageHandlingCompleteL( iStatus.Int() ); |
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257 Cancel(); |
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258 } |
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259 } |
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260 |
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261 // ----------------------------------------------------------------------------- |
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262 // CGSAsyncImageHandling::DoCancel |
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263 // |
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264 // |
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265 // --------------------------------------------------------------------------- |
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266 // |
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267 void CGSAsyncImageHandling::DoCancel() |
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268 { |
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269 if ( iDecoder ) |
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270 { |
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271 iDecoder->Cancel(); |
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272 } |
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273 |
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274 if ( iBitmapScaler ) |
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275 { |
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276 iBitmapScaler->Cancel(); |
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277 } |
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278 |
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279 delete iDecoder; |
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280 iDecoder = NULL; |
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281 } |
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282 |
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283 // ----------------------------------------------------------------------------- |
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284 // CGSAsyncImageHandling::RunError |
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285 // |
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286 // |
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287 // --------------------------------------------------------------------------- |
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288 // |
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289 TInt CGSAsyncImageHandling::RunError( TInt aError ) |
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290 { |
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291 TRAP_IGNORE( iObserver->ImageHandlingCompleteL( aError ) ); |
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292 DoCancel(); |
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293 return aError; |
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294 } |
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295 |
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296 // ---------------------------------------------------------------------------- |
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297 // TSize CGSAsyncImageHandling::CalculateLoadSize |
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298 // |
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299 // Calculates the load size |
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300 // ---------------------------------------------------------------------------- |
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301 // |
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302 TSize CGSAsyncImageHandling::CalculateLoadSize( TFrameInfo& aFrameInfo, |
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303 const TSize aScreenSize ) |
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304 { |
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305 TReal perfectAspect = ( TReal )( |
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306 ( TReal )aScreenSize.iWidth/ |
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307 ( TReal )aScreenSize.iHeight ); |
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308 TReal aspect = ( TReal )( |
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309 ( TReal )aFrameInfo.iFrameCoordsInPixels.Width()/ |
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310 ( TReal )aFrameInfo.iFrameCoordsInPixels.Height() ); |
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311 TSize size( aScreenSize.iWidth, aScreenSize.iHeight ); |
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312 TSize cropsize( aScreenSize.iWidth, aScreenSize.iHeight ); |
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313 |
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314 TAknWindowLineLayout layout = AknLayout::wallpaper_pane(); |
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315 if( aFrameInfo.iFrameCoordsInPixels.Width() > aScreenSize.iWidth || |
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316 aFrameInfo.iFrameCoordsInPixels.Height() > aScreenSize.iHeight ) |
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317 { |
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318 //calculating dynamically range for image aspect ratio close to screen |
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319 TReal maxAspect = ((TReal)aScreenSize.iWidth/(TReal)aScreenSize.iHeight) + 0.12; |
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320 TReal minAspect = ((TReal)aScreenSize.iWidth/(TReal)aScreenSize.iHeight) - 0.12; |
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321 |
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322 if (aspect >= minAspect && aspect <= maxAspect ) |
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323 { |
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324 if( aspect < perfectAspect ) |
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325 { |
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326 size.iWidth = aScreenSize.iWidth; |
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327 size.iHeight = (TInt)((TReal)aScreenSize.iWidth/ |
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328 (TReal)aFrameInfo.iFrameCoordsInPixels.Width()* |
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329 (TReal)aFrameInfo.iFrameCoordsInPixels.Height()); |
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330 } |
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331 else |
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332 { |
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333 size.iWidth = (TInt)((TReal)aScreenSize.iHeight/ |
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334 (TReal)aFrameInfo.iFrameCoordsInPixels.Height()* |
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335 (TReal)aFrameInfo.iFrameCoordsInPixels.Width()); |
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336 size.iHeight = aScreenSize.iHeight; |
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337 } |
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338 if (size.iWidth > aScreenSize.iWidth) |
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339 { |
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340 cropsize.iWidth = aScreenSize.iWidth; |
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341 } |
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342 else |
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343 { |
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344 cropsize.iWidth = size.iWidth; |
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345 } |
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346 if (size.iHeight > aScreenSize.iHeight) |
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347 { |
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348 cropsize.iHeight = aScreenSize.iHeight; |
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349 } |
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350 else |
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351 { |
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352 cropsize.iHeight = size.iHeight; |
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353 } |
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354 } |
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355 else |
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356 { |
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357 // Scale and maintain aspect ratio |
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358 if( aspect < perfectAspect ) |
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359 { |
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360 if (aFrameInfo.iFrameCoordsInPixels.Height() > aScreenSize.iHeight) |
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361 { |
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362 size.iWidth = (TInt)((TReal)aScreenSize.iHeight/ |
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363 (TReal)aFrameInfo.iFrameCoordsInPixels.Height()* |
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364 (TReal)aFrameInfo.iFrameCoordsInPixels.Width()); |
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365 size.iHeight = aScreenSize.iHeight; |
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366 } |
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367 } |
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368 else |
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369 { |
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370 if (aFrameInfo.iFrameCoordsInPixels.Width() > aScreenSize.iWidth) |
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371 { |
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372 size.iWidth = aScreenSize.iWidth; |
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373 size.iHeight = (TInt)((TReal)aScreenSize.iWidth/ |
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374 (TReal)aFrameInfo.iFrameCoordsInPixels.Width()* |
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375 (TReal)aFrameInfo.iFrameCoordsInPixels.Height()); |
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376 } |
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377 } |
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378 } |
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379 } |
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380 |
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381 return size; |
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382 } |
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383 |
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384 // ----------------------------------------------------------------------------- |
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385 // CGSAsyncImageHandling::SaveVTStillImageL |
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386 // |
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387 // |
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388 // --------------------------------------------------------------------------- |
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389 // |
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390 void CGSAsyncImageHandling::SaveVTStillImageL() |
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391 { |
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392 //creating new and merging |
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393 const TSize KStillImageSize( KGSVTStillImageWidth, KGSVTStillImageHeight ); |
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394 |
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395 CFbsBitmap* newBitmap = new ( ELeave ) CFbsBitmap; |
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396 CleanupStack::PushL( newBitmap ); |
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397 |
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398 User::LeaveIfError( |
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399 newBitmap->Create( KStillImageSize, iBitmap->DisplayMode() ) ); |
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400 |
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401 CFbsBitmapDevice* device = CFbsBitmapDevice::NewL( newBitmap ); |
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402 CleanupStack::PushL( device ); |
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403 |
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404 CFbsBitGc* context = NULL; |
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405 User::LeaveIfError( device->CreateContext( context ) ); |
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406 User::LeaveIfNull( context ); |
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407 |
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408 context->SetPenStyle( CGraphicsContext::ENullPen ); |
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409 context->SetBrushColor( TRgb( 0, 0, 0 ) ); // black color |
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410 context->SetBrushStyle( CGraphicsContext::ESolidBrush ); |
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411 context->Clear(); |
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412 |
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413 const TSize scaledImageSize( iBitmap->SizeInPixels() ); |
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414 |
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415 TInt xPos = ( KStillImageSize.iWidth - scaledImageSize.iWidth ) / 2; |
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416 TInt yPos = ( KStillImageSize.iHeight - scaledImageSize.iHeight ) / 2; |
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417 |
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418 context->BitBlt( TPoint( xPos, yPos ), iBitmap ); |
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419 |
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420 delete context; |
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421 CleanupStack::PopAndDestroy( device ); |
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422 |
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423 //saving bitmap |
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424 CPhCltImageHandler* phCltImageHandler = CPhCltImageHandler::NewL(); |
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425 CleanupStack::PushL( phCltImageHandler ); |
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426 |
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427 // Acquires ownership of *imageParams |
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428 // Bad naming for create-function CPhCltBaseImageParamsL(). |
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429 CPhCltImageParams* imageParams = phCltImageHandler-> |
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430 CPhCltBaseImageParamsL( EPhCltTypeVTStill ); |
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431 CleanupStack::PushL( imageParams ); |
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432 TInt ret = newBitmap->Handle(); |
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433 imageParams->AddImageL( ret ); |
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434 phCltImageHandler->SaveImages( *imageParams ); |
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435 CleanupStack::PopAndDestroy( imageParams ); |
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436 CleanupStack::PopAndDestroy( phCltImageHandler ); |
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437 |
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438 delete iBitmap; |
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439 iBitmap = NULL; |
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440 |
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441 CleanupStack::PopAndDestroy( newBitmap ); |
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442 } |
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443 |
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444 |
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445 // End of File |
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