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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 #ifndef LCDIMAGE_H |
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19 #define LCDIMAGE_H |
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20 |
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21 #include <e32base.h> |
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22 #include <fbs.h> |
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23 |
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24 #include <lcdgdrv.h> |
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25 |
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26 #include "fbslcdgraphics.h" // for TDrawRegion. |
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27 |
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28 class TAcceleratedBitmapInfo; |
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29 class TBitmapLockCount; |
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30 class CLcdFbsImage; |
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31 |
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32 /** |
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33 * MIDP LCDUI Image peer |
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34 */ |
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35 NONSHARABLE_CLASS(CLcdImage) : public CBase |
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36 { |
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37 public: |
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38 /** |
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39 * |
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40 */ |
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41 CLcdImage(CLcdGraphicsDriver& aDriver, TBool aMutable); |
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42 |
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43 /** |
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44 * |
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45 */ |
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46 ~CLcdImage(); |
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47 |
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48 /** |
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49 * 2nd phase constructor for blank (white) images. |
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50 */ |
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51 void ConstructL(const TSize& aSize, const TImageType& aImageType); |
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52 |
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53 /** |
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54 * 2nd phase constructor from bitmaps. |
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55 * |
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56 * Where possible (bitmaps match aImageType ) makes a shallow copy (Duplicate) of aColorBitmap |
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57 * and optional aAlphaBitmap, otherwise makes a deep copy converting to aImageType. |
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58 */ |
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59 void ConstructL(CFbsBitmap* aColorBitmap, CFbsBitmap* aAlphaBitmap, const TImageType& aImageType); |
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60 |
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61 TSize Size() const; |
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62 TTransparency Transparency() const; |
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63 |
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64 /** |
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65 * |
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66 */ |
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67 void Lock(TBitmapLockCount& aLockCount, TAcceleratedBitmapInfo& aColorBitmap, TAcceleratedBitmapInfo& aAlphaBitmap) const; |
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68 |
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69 /** |
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70 * |
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71 */ |
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72 void Unlock(TBitmapLockCount& aLockCount) const; |
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73 |
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74 /** |
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75 * |
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76 */ |
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77 void SetPixels(const TRect& aRect, const TUint32* aARGBArray, TInt aLength, TInt aOffset, TInt aLinePitch, const TSize& aSize, TBool aProcessAlpha); |
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78 |
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79 /** |
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80 * |
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81 */ |
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82 void GetPixels(const TRect& aRect, TUint32* aARGBArray, TInt aLength, TInt aOffset, TInt aLinePitch, const TSize& aSize); |
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83 |
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84 /** |
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85 * Copy a region of pixels from aSourceImage applying a transformation. |
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86 */ |
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87 void CopyRegion(CLcdImage& aSourceImage, const TDrawRegion&, const TRect& aClipRect); |
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88 |
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89 /** |
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90 Detect pixel level collision between two Images. |
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91 @param aRect1 image1 collison rect in image1 co-ordinates |
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92 @param aTransform1 image1 transform |
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93 @param aPoint1 position of image1 collison rect in painter's co-ordinates. |
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94 |
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95 @param aImage2 image2 |
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96 @param aRect2 image2 collison rect in image2 co-ordinates |
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97 @param aTransform2 image2 transform |
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98 @param aPoint2 position of image2 collison rect in painter's co-ordinates. |
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99 */ |
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100 TBool DetectCollision(const TRect& aRect1, TInt aTransform1, const TPoint& aPoint1, |
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101 const CLcdImage& aImage2, |
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102 const TRect& aRect2, TInt aTransform2, const TPoint& aPoint2); |
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103 |
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104 // |
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105 // Consider drawing surface accessor instead. |
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106 // |
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107 TBool Mutable(); |
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108 |
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109 /** |
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110 * Change image type - may be used to allow mutable images to contain tranparent pixels. |
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111 */ |
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112 TInt SetImageType(const TImageType& aType); |
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113 |
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114 // |
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115 // Temporary. |
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116 // |
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117 CLcdFbsImage* FbsImage(); |
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118 |
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119 private: |
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120 CLcdGraphicsDriver& iDriver; |
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121 CLcdFbsImage* iFbsImage; |
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122 TTransparency iTransparency; |
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123 TBool iMutable; |
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124 }; |
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125 |
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126 #endif // LCDIMAGE_H |