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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 |
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19 #ifndef COLLISION_H |
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20 #define COLLISION_H |
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21 |
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22 #include <gdi.h> |
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23 class TAcceleratedBitmapInfo; |
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24 class TLcdTransform; |
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25 class TRect; |
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26 |
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27 enum TDisplayModeBit |
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28 { |
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29 ENoneBit = (1<<ENone), |
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30 EGray2Bit = (1<<EGray2), |
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31 EGray256Bit = (1<<EGray256), |
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32 EColor64KBit = (1<<EColor64K), |
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33 EColor4KBit = (1<<EColor4K), |
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34 EColor16MUBit = (1<<EColor16MU), |
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35 EColor16MABit = (1<<EColor16MA) |
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36 }; |
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37 |
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38 enum TTransparencyBit |
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39 { |
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40 ETransparencyNoneBit = 1<<ETransparencyNone, |
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41 ETransparencyMaskBitmapBit = 1<<ETransparencyMaskBitmap, |
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42 ETransparencyAlphaBitmapBit = 1<<ETransparencyAlphaBitmap, |
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43 ETransparencyAlphaChannelBit= 1<<ETransparencyAlphaChannel, |
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44 ETransparencyMaskChannelBit = 1<<ETransparencyMaskChannel, |
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45 }; |
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46 |
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47 // Display modes currently supported by GenericDetectCollision |
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48 const TUint KGenericModesMask = ENoneBit |
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49 | EGray2Bit |
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50 | EGray256Bit |
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51 | EColor64KBit |
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52 | EColor4KBit |
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53 | EColor16MUBit |
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54 | EColor16MABit; |
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55 |
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56 // Transparency types currently supported by GenericDetectCollision |
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57 const TUint KGenericTransMask = ETransparencyNoneBit |
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58 | ETransparencyMaskBitmapBit |
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59 | ETransparencyAlphaBitmapBit; |
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60 |
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61 TBool IsOpaque(TDisplayMode aDisplayMode, TUint8* aAddress, TInt aLinePitch , TInt aX, TInt aY); |
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62 |
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63 TBool GenericDetectCollision |
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64 ( |
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65 const TAcceleratedBitmapInfo* aBitmap1, |
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66 const TAcceleratedBitmapInfo* aBitmap2, |
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67 const TRect& aRect1, |
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68 const TRect& aRect2, |
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69 const TLcdTransform& aTransform1, |
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70 const TLcdTransform& aTransform2 |
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71 ); |
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72 |
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73 TBool DetectCollisionGray2Gray2 |
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74 ( |
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75 const TAcceleratedBitmapInfo* aGray2Bitmap1, |
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76 const TAcceleratedBitmapInfo* aGray2Bitmap2, |
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77 const TRect& aRect1, |
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78 const TRect& aRect2, |
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79 const TLcdTransform& aTransform1, |
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80 const TLcdTransform& aTransform2 |
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81 ); |
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82 |
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83 TBool DetectCollisionGray256Gray256 |
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84 ( |
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85 const TAcceleratedBitmapInfo* aGray256Bitmap1, |
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86 const TAcceleratedBitmapInfo* aGray256Bitmap2, |
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87 const TRect& aRect1, |
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88 const TRect& aRect2, |
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89 const TLcdTransform& aTransform1, |
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90 const TLcdTransform& aTransform2 |
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91 ); |
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92 |
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93 TBool DetectCollisionGray2Gray256 |
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94 ( |
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95 const TAcceleratedBitmapInfo* aGray2Bitmap1, |
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96 const TAcceleratedBitmapInfo* aGray256Bitmap2, |
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97 const TRect& aRect1, |
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98 const TRect& aRect2, |
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99 const TLcdTransform& aTransform1, |
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100 const TLcdTransform& aTransform2 |
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101 ); |
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102 |
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103 TBool DetectCollisionGray256Gray2 |
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104 ( |
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105 const TAcceleratedBitmapInfo* aGray256Bitmap1, |
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106 const TAcceleratedBitmapInfo* aGray2Bitmap2, |
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107 const TRect& aRect1, |
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108 const TRect& aRect2, |
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109 const TLcdTransform& aTransform1, |
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110 const TLcdTransform& aTransform2 |
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111 ); |
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112 |
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113 TBool HasOpaquePixel |
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114 ( |
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115 const TAcceleratedBitmapInfo* aBitmap, |
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116 const TRect& aRect |
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117 ); |
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118 |
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119 TBool HasOpaquePixelGray2 |
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120 ( |
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121 const TAcceleratedBitmapInfo* aGray2Bitmap, |
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122 const TRect& aRect |
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123 ); |
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124 |
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125 TBool HasOpaquePixelGray256 |
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126 ( |
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127 const TAcceleratedBitmapInfo* aGray256Bitmap, |
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128 const TRect& aRect |
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129 ); |
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130 |
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131 #endif // COLLISION_H |