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1 /* |
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2 * Copyright (c) 2009 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: Juha Kauppinen, Mika Hokkanen |
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13 * |
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14 * Description: Photo Browser |
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15 * |
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16 */ |
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17 |
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18 // Include files |
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19 #include "IEImageDecoder.h" |
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20 |
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21 |
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22 // ========================== MEMBER FUNCTIONS ============================= // |
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23 |
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24 CIEImageDecoder* CIEImageDecoder::NewL(RFs& aFileServer, MDecodingObserver& aObserver) |
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25 { |
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26 CIEImageDecoder* self = new (ELeave) CIEImageDecoder(aFileServer, aObserver); |
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27 CleanupStack::PushL(self); |
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28 self->ConstructL(); |
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29 CleanupStack::Pop(); |
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30 return self; |
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31 } |
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32 |
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33 CIEImageDecoder::~CIEImageDecoder() |
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34 { |
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35 if(iImageDecoder) |
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36 { |
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37 delete iImageDecoder; |
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38 iImageDecoder = NULL; |
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39 } |
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40 |
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41 if(iExtImageDecoder) |
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42 { |
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43 delete iExtImageDecoder; |
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44 iExtImageDecoder = NULL; |
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45 } |
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46 |
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47 if(iVisualFrame) |
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48 { |
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49 delete iVisualFrame; |
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50 iVisualFrame = NULL; |
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51 } |
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52 } |
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53 |
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54 //EPriorityIdle, EPriorityLow, EPriorityStandard, EPriorityUserInput, EPriorityHigh |
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55 CIEImageDecoder::CIEImageDecoder(RFs& aFileServer, MDecodingObserver& aObserver) |
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56 : CActive(EPriorityStandard), iFileServer(aFileServer), iObserver(aObserver), iSrcPtr(NULL, 0, 0) |
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57 { |
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58 } |
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59 |
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60 void CIEImageDecoder::ConstructL() |
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61 { |
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62 CActiveScheduler::Add(this); |
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63 |
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64 iDecoderBusy = EFalse; |
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65 iDecode2Yuv = EFalse; |
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66 iDecode2Bitmap = EFalse; |
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67 |
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68 iNumOfBitmaps = 0; |
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69 } |
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70 |
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71 void CIEImageDecoder::RunL() |
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72 { |
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73 TPtr8 ptr = iVisualFrame->DataPtrL(); |
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74 TInt dataSize = ptr.Size(); |
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75 TUint8* bufU = (TUint8*) ptr.Ptr(); |
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76 |
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77 if(iDecode2Yuv) |
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78 { |
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79 iDecode2Yuv = EFalse; |
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80 //iObserver.YuvImageReadyL(iStatus.Int()); |
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81 } |
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82 |
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83 if(iDecode2Bitmap) |
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84 { |
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85 iDecode2Bitmap = EFalse; |
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86 iObserver.BitmapReadyL(iStatus.Int()); |
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87 } |
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88 |
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89 iDecoderBusy = EFalse; |
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90 } |
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91 |
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92 void CIEImageDecoder::DoCancel() |
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93 { |
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94 |
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95 } |
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96 |
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97 void CIEImageDecoder::GetImageSizeL(const TFileName aFileName, TSize& aSize) |
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98 { |
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99 if(iImageDecoder) |
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100 { |
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101 delete iImageDecoder; |
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102 iImageDecoder = NULL; |
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103 } |
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104 |
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105 iImageDecoder = CImageDecoder::FileNewL(iFileServer, aFileName); |
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106 TFrameInfo frameInfo = iImageDecoder->FrameInfo(); |
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107 |
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108 aSize.iWidth = frameInfo.iOverallSizeInPixels.iWidth; |
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109 aSize.iHeight = frameInfo.iOverallSizeInPixels.iHeight; |
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110 |
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111 delete iImageDecoder; |
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112 iImageDecoder = NULL; |
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113 } |
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114 |
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115 void CIEImageDecoder::ConvertJpeg2YuvL(const TDesC& aSourceFile, |
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116 HBufC8& aBuffer, |
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117 const TImageForamt /*aImageFormat*/) |
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118 { |
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119 TInt fileSize = 0; |
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120 TInt blocks = 0; |
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121 |
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122 iDecoderBusy = ETrue; |
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123 iDecode2Yuv = ETrue; |
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124 |
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125 if(iExtImageDecoder) |
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126 { |
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127 delete iExtImageDecoder; |
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128 iExtImageDecoder = NULL; |
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129 } |
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130 |
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131 iExtImageDecoder = CExtJpegDecoder::FileNewL(iFileServer, aSourceFile); |
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132 |
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133 TFrameInfo frameInfo = iExtImageDecoder->FrameInfo(); |
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134 |
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135 TInt width = frameInfo.iOverallSizeInPixels.iWidth; |
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136 TInt height = frameInfo.iOverallSizeInPixels.iHeight; |
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137 |
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138 /*if(width%2 != 0) |
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139 width++; |
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140 if(height%2 != 0) |
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141 height++;*/ |
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142 |
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143 TPtr8 bufPtr = aBuffer.Des(); |
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144 |
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145 iBufU = (TUint8*)bufPtr.Ptr(); |
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146 |
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147 if(iVisualFrame) |
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148 { |
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149 delete iVisualFrame; |
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150 iVisualFrame = NULL; |
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151 } |
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152 |
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153 iVisualFrame = CVisualFrame::NewL(bufPtr, |
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154 TSize(width, height), |
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155 CVisualFrame::EFormatYUV420Planar); |
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156 |
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157 |
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158 iExtImageDecoder->ConvertL(&iStatus, iVisualFrame, blocks); |
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159 |
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160 if(!IsActive()) |
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161 SetActive(); |
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162 } |
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163 |
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164 |
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165 void CIEImageDecoder::ConvertJpeg2BitmapL(CFbsBitmap& aDestBitmap, TDesC8& aSourceData) |
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166 { |
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167 TInt frameNumber = 0; |
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168 |
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169 iDecoderBusy = ETrue; |
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170 iDecode2Bitmap = ETrue; |
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171 |
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172 TInt dataSize = aSourceData.Size(); |
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173 |
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174 iSrcPtr.Set((TUint8*)aSourceData.Ptr(), aSourceData.Size(), aSourceData.Size()); |
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175 |
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176 if(iImageDecoder) |
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177 { |
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178 delete iImageDecoder; |
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179 iImageDecoder = NULL; |
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180 } |
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181 |
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182 iImageDecoder = CImageDecoder::DataNewL(iFileServer, iSrcPtr); |
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183 |
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184 iImageDecoder->Convert(&iStatus, aDestBitmap, frameNumber); |
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185 |
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186 iNumOfBitmaps++; |
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187 |
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188 if(!IsActive()) |
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189 SetActive(); |
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190 } |
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191 |
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192 |
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193 TPtr8 CIEImageDecoder::GetVisualFrame() |
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194 { |
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195 return iVisualFrame->DataPtrL(); |
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196 } |
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197 |
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198 void CIEImageDecoder::CancelDecoding() |
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199 { |
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200 if(iDecoderBusy) |
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201 { |
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202 if(iImageDecoder) |
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203 iImageDecoder->Cancel(); |
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204 |
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205 if(iExtImageDecoder) |
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206 iExtImageDecoder->Cancel(); |
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207 } |
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208 |
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209 if(IsActive()) |
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210 Cancel(); |
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211 } |
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212 |
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213 |
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214 // EOF |