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1 /* |
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2 * Copyright (c) 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: Reader for JPEG/GIF/BMP images (ImageHandlingLib wrapper) |
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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 <coemain.h> |
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20 #include <IHLImageFactory.h> |
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21 #include <IHLViewerFactory.h> |
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22 #include <MIHLFileImage.h> |
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23 #include <MIHLBitmap.h> |
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24 #include <MIHLImageViewer.h> |
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25 #include <IHLBitmapUtil.h> |
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26 |
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27 #include "BMImageReader.h" |
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28 |
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29 // ======== MEMBER FUNCTIONS ======== |
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30 |
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31 // --------------------------------------------------------------------------- |
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32 // C++ constructor |
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33 // --------------------------------------------------------------------------- |
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34 // |
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35 CBubbleImageReader::CBubbleImageReader() |
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36 { |
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37 } |
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38 |
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39 |
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40 // --------------------------------------------------------------------------- |
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41 // ConstructL |
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42 // --------------------------------------------------------------------------- |
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43 // |
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44 void CBubbleImageReader::ConstructL( const TDesC& aFileName ) |
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45 { |
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46 iSourceImage = IHLImageFactory::OpenFileImageL( |
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47 CCoeEnv::Static()->FsSession(), |
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48 aFileName ); |
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49 } |
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50 |
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51 |
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52 // --------------------------------------------------------------------------- |
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53 // NewL |
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54 // --------------------------------------------------------------------------- |
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55 // |
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56 CBubbleImageReader* CBubbleImageReader::NewL( |
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57 const TDesC& aFileName ) |
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58 { |
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59 CBubbleImageReader* self = new( ELeave ) CBubbleImageReader(); |
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60 CleanupStack::PushL( self ); |
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61 self->ConstructL( aFileName ); |
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62 CleanupStack::Pop( self ); |
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63 return self; |
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64 } |
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65 |
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66 // --------------------------------------------------------------------------- |
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67 // Destructor |
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68 // --------------------------------------------------------------------------- |
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69 // |
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70 CBubbleImageReader::~CBubbleImageReader() |
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71 { |
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72 delete iViewerEngine; |
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73 delete iDestinationBitmap; |
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74 delete iSourceImage; |
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75 } |
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76 |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // StartReadingL |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 void CBubbleImageReader::StartReadingL( |
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83 const TSize& aTargetSize, |
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84 const TReal& aScaleFactor, |
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85 const TRect& aClipRect, |
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86 MBubbleMediaReaderObserver* aObserver ) |
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87 { |
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88 iObserver = aObserver; |
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89 |
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90 iDestinationBitmap = IHLBitmap::CreateL(); |
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91 |
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92 iViewerEngine = IHLViewerFactory::CreateImageViewerL( |
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93 aTargetSize, |
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94 *iSourceImage, |
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95 *iDestinationBitmap, |
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96 *this ); |
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97 |
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98 iViewerEngine->SetZoomRatio( aScaleFactor ); |
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99 iViewerEngine->SetViewerSize( aTargetSize ); |
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100 iViewerEngine->SetSourceRectPosition( aClipRect.iTl ); |
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101 } |
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102 |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // SetScaleAndClip |
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106 // --------------------------------------------------------------------------- |
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107 // |
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108 TInt CBubbleImageReader::SetScaleAndClip( |
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109 const TSize& aTargetSize, |
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110 const TReal& aScaleFactor, |
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111 const TRect& aClipRect ) |
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112 { |
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113 TInt err = KErrNone; |
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114 |
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115 if ( iViewerEngine ) |
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116 { |
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117 iViewerEngine->SetZoomRatio( aScaleFactor ); |
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118 iViewerEngine->SetViewerSize( aTargetSize ); |
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119 iViewerEngine->SetSourceRectPosition( aClipRect.iTl ); |
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120 } |
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121 else |
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122 { |
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123 err = KErrNotReady; |
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124 } |
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125 |
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126 return err; |
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127 } |
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128 |
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129 // --------------------------------------------------------------------------- |
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130 // CancelReadingL |
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131 // --------------------------------------------------------------------------- |
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132 // |
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133 void CBubbleImageReader::CancelReading() |
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134 { |
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135 delete iViewerEngine; |
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136 iViewerEngine = NULL; |
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137 } |
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138 |
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139 // --------------------------------------------------------------------------- |
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140 // CancelReadingL |
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141 // --------------------------------------------------------------------------- |
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142 // |
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143 const TSize CBubbleImageReader::SourceSize() const |
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144 { |
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145 return iSourceImage->Size(); |
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146 } |
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147 |
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148 // --------------------------------------------------------------------------- |
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149 // CancelReadingL |
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150 // --------------------------------------------------------------------------- |
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151 // |
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152 TBool CBubbleImageReader::IsAnimation() const |
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153 { |
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154 //return iSourceImage->IsAnimation(); |
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155 return EFalse; // Not supported. |
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156 }; |
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157 |
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158 // --------------------------------------------------------------------------- |
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159 // Play |
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160 // --------------------------------------------------------------------------- |
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161 // |
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162 void CBubbleImageReader::Play() |
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163 { |
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164 iViewerEngine->Play(); |
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165 } |
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166 |
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167 // --------------------------------------------------------------------------- |
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168 // Stop |
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169 // --------------------------------------------------------------------------- |
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170 // |
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171 void CBubbleImageReader::Stop() |
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172 { |
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173 iViewerEngine->Stop(); |
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174 } |
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175 |
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176 // --------------------------------------------------------------------------- |
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177 // ViewerBitmapChangedL |
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178 // --------------------------------------------------------------------------- |
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179 // |
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180 void CBubbleImageReader::ViewerBitmapChangedL() |
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181 { |
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182 iFrameBuffer = &iDestinationBitmap->Bitmap(); |
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183 iMask = iDestinationBitmap->HasMask() ? &iDestinationBitmap->Mask() : |
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184 NULL; |
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185 |
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186 HandleReadingComplete(); |
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187 } |
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188 |
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189 // --------------------------------------------------------------------------- |
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190 // ViewerError |
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191 // --------------------------------------------------------------------------- |
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192 // |
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193 void CBubbleImageReader::ViewerError( TInt aError ) |
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194 { |
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195 HandleReadingError( aError ); |
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196 } |
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197 |