1 /* |
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2 * Copyright (c) 2005 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 |
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20 |
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21 #ifndef GS_ASYNC_IMAGE_HANDLE_H |
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22 #define GS_ASYNC_IMAGE_HANDLE_H |
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23 |
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24 #include <e32base.h> |
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25 #include <imageconversion.h> |
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26 #include <bitmaptransforms.h> |
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27 #include <RPhCltServer.h> |
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28 #include <centralrepository.h> |
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29 #include "mgsasyncimagehandlingobserver.h" |
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30 |
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31 // CONSTANTS |
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32 const TInt KGSMimeStringLength = 50; |
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33 |
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34 // DATA TYPES |
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35 enum TGSBgImageType |
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36 { |
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37 EGSWelcomeNoteImage, |
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38 EGSVtStillImage |
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39 }; |
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40 |
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41 enum TGSImgState |
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42 { |
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43 EGSWelcomeConversion, |
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44 EGSWelcomeScaling, |
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45 EGSVTConversion, |
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46 EGSVTScaling |
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47 }; |
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48 |
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49 // FORWARD DECLARTION |
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50 class CImageDecoder; |
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51 class MGSAsyncImageHandlingObserver; |
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52 |
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53 |
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54 // CLASS DECLARTION |
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55 class CGSAsyncImageHandling : public CActive |
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56 { |
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57 public: |
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58 // Static constructor |
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59 IMPORT_C static CGSAsyncImageHandling* NewL( |
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60 RFs& aFs, |
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61 MGSAsyncImageHandlingObserver* aObserver, |
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62 const TDesC& aDestinationPath ); |
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63 |
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64 // Destructor |
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65 ~CGSAsyncImageHandling(); |
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66 |
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67 /* |
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68 * Asynchronous loading/scaling/dithering of an image. |
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69 * The image is converted to a bitmap. |
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70 */ |
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71 void ProcessImageL( const TDesC& aFilename, |
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72 TInt aScreenWidth, |
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73 TInt aScreenHeight, |
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74 TGSBgImageType aBgImageType ); |
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75 |
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76 TDisplayMode GetDisplayMode( const TFrameInfo& aFrameInfo ); |
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77 |
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78 private: |
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79 // C++ constructor |
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80 CGSAsyncImageHandling( RFs& aFs, |
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81 MGSAsyncImageHandlingObserver* aObserver, |
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82 const TDesC& aDestinationPath ); |
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83 |
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84 /** |
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85 * By default Symbian 2nd phase constructor is private. |
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86 */ |
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87 void ConstructL(); |
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88 |
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89 TSize CalculateLoadSize(TFrameInfo& aFrameInfo, |
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90 const TSize aScreenSize ); |
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91 |
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92 void SaveVTStillImageL(); |
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93 |
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94 private: |
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95 // From CActive |
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96 void RunL(); |
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97 TInt RunError( TInt aError ); |
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98 void DoCancel(); |
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99 void Release(); |
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100 |
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101 private: |
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102 MGSAsyncImageHandlingObserver* iObserver; |
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103 |
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104 // File session |
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105 RFs& iFs; |
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106 |
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107 // Image decoder |
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108 CImageDecoder* iDecoder; |
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109 |
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110 // Currently open file Mime-string |
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111 TBuf8<KGSMimeStringLength> iMimeString; |
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112 |
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113 CFbsBitmap* iBitmap; |
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114 |
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115 const TDesC& iDestinationPath; |
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116 TInt iBgImageType; |
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117 |
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118 RPhCltServer iPhoneClient; |
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119 RLibrary iLibrary; |
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120 CRepository* iStartupRepository; |
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121 CBitmapScaler* iBitmapScaler; |
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122 TSize iScaleSize; |
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123 TInt iState; |
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124 |
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125 }; |
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126 |
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127 #endif // GS_ASYNC_IMAGE_HANDLE_H |
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128 |
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129 // End of File |
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