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1 // Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <graphics/lookuptable.h> |
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17 #include <graphics/blendingalgorithms.h> |
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18 #include "BMDRAW.H" |
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19 #include "BitDrawInterfaceId.h" |
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20 |
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21 FORCEINLINE void BlendFromRBandG(TUint32 *aPixelPtr, TUint32 aSrcRB, TUint32 aSrcG, TUint32 aSrcAlpha, TUint32 aMaskX2) |
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22 { |
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23 const TUint32 d = *aPixelPtr; |
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24 const TUint32 d_rb = d & 0x00FF00FF; |
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25 const TUint32 rb = ((((aSrcAlpha * ((0x01000100 + aSrcRB) - d_rb)) >> 8) + d_rb) - aMaskX2) & 0x00FF00FF; |
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26 |
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27 const TInt d_g = (d & 0xFF00) >> 8; |
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28 const TInt g = ((aSrcAlpha * (aSrcG - d_g)) >> 8) + d_g; |
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29 |
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30 *aPixelPtr = rb | (g<<8) | 0xff000000; |
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31 } |
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32 |
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33 /**Initializes iSize, iDrawRect, iLongWidth, iScanLineBytes, iScanlineWords data members. |
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34 It should be called every time when iSize is going to be changed - from Construct(). |
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35 |
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36 @param aSize Physical screen size in pixels. |
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37 @panic EScreenDriverPanicInvalidSize - Invalid aSize parameter. This might happen if the |
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38 device is scaled and the scaling origin goes outside physical drawing rectangle. */ |
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39 void CDrawThirtyTwoBppBitmapCommon::SetSize(const TSize& aSize) |
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40 { |
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41 CDrawBitmap::SetSize(aSize); |
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42 __ASSERT_DEBUG(iSize == aSize, User::Invariant()); |
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43 iLongWidth = iSize.iWidth; |
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44 iScanLineWords = iSize.iWidth; |
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45 } |
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46 |
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47 TInt CDrawThirtyTwoBppBitmapCommon::Construct(TSize aSize, TInt aStride) |
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48 { |
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49 iBits = NULL; |
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50 CDrawBitmap::SetSize(aSize); |
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51 __ASSERT_DEBUG(iSize == aSize, User::Invariant()); |
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52 if (aStride & 3) |
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53 return KErrArgument; |
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54 iLongWidth = aStride >> 2; |
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55 if (iLongWidth < aSize.iWidth) |
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56 return KErrArgument; |
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57 iScanLineWords = iLongWidth; |
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58 TInt size = Max(aSize.iWidth,aSize.iHeight) << 2; |
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59 if(size < 0) |
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60 return KErrArgument; |
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61 iScanLineBuffer = (TUint32*)(User::Heap().Alloc(size)); |
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62 if (iScanLineBuffer == NULL) |
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63 return KErrNoMemory; |
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64 return KErrNone; |
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65 } |
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66 |
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67 void CDrawThirtyTwoBppBitmapCommon::Shadow(TRgb& aColor) |
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68 { |
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69 TUint32 value = aColor.Internal(); |
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70 const TInt alpha = value >> 24; |
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71 |
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72 if (iShadowMode & EFade) |
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73 { |
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74 #if defined(SYMBIAN_USE_FAST_FADING) |
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75 value = ((value >> 1) & ~0x00808080) + (SYMBIAN_USE_FAST_FADING); |
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76 #else |
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77 const TInt wordFadeMapOffset = ((iFadeMapOffset & 0xff) << 16) | (iFadeMapOffset & 0xff); |
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78 const TInt rb = ((((value & 0x00ff00ff) * iFadeMapFactor) >> 8) + wordFadeMapOffset) & 0x00ff00ff; |
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79 const TInt g = ((((value & 0x0000ff00) * iFadeMapFactor) >> 16) + iFadeMapOffset) << 8; |
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80 value = rb | g; |
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81 #endif |
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82 } |
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83 |
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84 if (iShadowMode & EShadow) |
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85 { |
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86 const TInt r = (value & 0x00c00000) ? ((value & 0x00ff0000)-0x00400000) : 0; |
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87 const TInt g = (value & 0x0000c000) ? ((value & 0x0000ff00)-0x00004000) : 0; |
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88 const TInt b = (value & 0x000000c0) ? ((value & 0x000000ff)-0x00000040) : 0; |
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89 value = r | g | b; |
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90 } |
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91 |
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92 aColor = TRgb(value,alpha); |
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93 } |
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94 |
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95 void CDrawThirtyTwoBppBitmapCommon::Shadow(TUint32& aColor) |
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96 { |
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97 // aColor is in the format indicated by ScanLineDisplayMode(), which we |
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98 // assume is EColor16MAP here. If not, this function must be overridden. |
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99 const TInt alpha = (aColor >> 24) + 1; |
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100 TUint32 value = aColor & 0x00ffffff; |
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101 if (iShadowMode & EFade) |
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102 { |
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103 #if defined(SYMBIAN_USE_FAST_FADING) |
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104 const TUint32 fast_fade_offset = NonPMA2PMAPixel((aColor & 0xff000000) | SYMBIAN_USE_FAST_FADING) & 0x00ffffff; |
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105 value = ((value >> 1) & ~0x00808080) + (fast_fade_offset); |
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106 #else |
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107 const TInt fadeMapOffset = ((alpha * iFadeMapOffset) >> 8) & 0xff; |
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108 const TInt wordFadeMapOffset = ((fadeMapOffset) << 16) | (fadeMapOffset); |
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109 const TInt rb = ((((value & 0x00ff00ff) * iFadeMapFactor) >> 8) + wordFadeMapOffset) & 0x00ff00ff; |
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110 const TInt g = ((((value & 0x0000ff00) * iFadeMapFactor) >> 16) + fadeMapOffset) << 8; |
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111 value = rb | g; |
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112 #endif |
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113 } |
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114 |
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115 if (iShadowMode & EShadow) |
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116 { |
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117 const TInt uLimit = ((0x40) * alpha) >> 8; |
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118 TInt r = (value >> 16) & 0xff; |
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119 r = (r > uLimit) ? (r-uLimit) : 0; |
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120 TInt g = (value >> 8) & 0xff; |
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121 g = (g > uLimit) ? (g - uLimit) : 0; |
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122 TInt b = value & 0xff; |
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123 b = (b > uLimit) ? (b - uLimit) : 0; |
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124 value = (r << 16) | (g << 8) | b; |
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125 } |
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126 // alpha is unchanged. |
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127 aColor = (aColor & 0xff000000) | value; |
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128 } |
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129 |
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130 TUint8 CDrawThirtyTwoBppBitmapCommon::ShadowAndFade(TInt aComponent) |
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131 { |
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132 if (iShadowMode & EFade) |
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133 aComponent = FadeGray(aComponent); |
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134 |
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135 if (iShadowMode & EShadow) |
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136 aComponent = ShadowComponent(aComponent); |
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137 |
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138 return TUint8(aComponent); |
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139 } |
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140 |
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141 TUint8 CDrawThirtyTwoBppBitmapCommon::ShadowComponent(TInt aRgbComponent) |
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142 { |
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143 return TUint8(Max(0,aRgbComponent-0x40)); |
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144 } |
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145 |
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146 void CDrawThirtyTwoBppBitmapCommon::InvertBuffer(TInt aLength,TUint32* aBuffer) |
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147 { |
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148 __ASSERT_DEBUG(aLength>0,Panic(EScreenDriverPanicOutOfBounds)); |
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149 __ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer)); |
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150 |
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151 TUint32* limit = aBuffer + aLength; |
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152 |
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153 while (aBuffer < limit) |
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154 { |
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155 *aBuffer++ ^= 0x00ffffff; |
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156 } |
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157 } |
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158 |
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159 void CDrawThirtyTwoBppBitmapCommon::ReadLine(TInt aX,TInt aY,TInt aLength,TAny* aBuffer) const |
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160 { |
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161 const TUint32* pixelPtr = PixelAddress(aX,aY); |
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162 |
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163 if (iOrientation == EOrientationNormal) |
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164 Mem::Copy(aBuffer,pixelPtr,aLength << 2); |
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165 else |
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166 { |
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167 const TInt pixelPtrInc = PixelAddressIncrement(); |
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168 |
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169 TUint32* bufferPtr = static_cast <TUint32*> (aBuffer); |
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170 const TUint32* bufferPtrLimit = bufferPtr + aLength; |
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171 |
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172 while (bufferPtr < bufferPtrLimit) |
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173 { |
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174 *bufferPtr++ = *pixelPtr; |
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175 pixelPtr += pixelPtrInc; |
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176 } |
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177 } |
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178 } |
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179 |
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180 TRgb CDrawThirtyTwoBppBitmapCommon::ReadRgbNormal(TInt aX,TInt aY) const |
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181 { |
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182 return RgbColor(*PixelAddress(aX,aY)); |
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183 } |
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184 |
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185 void CDrawThirtyTwoBppBitmapCommon::ShadowArea(const TRect& aRect) |
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186 { |
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187 const TRect rect(DeOrientate(aRect)); |
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188 |
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189 __ASSERT_DEBUG(rect.iTl.iX>=0 && rect.iBr.iX<=iSize.iWidth,Panic(EScreenDriverPanicOutOfBounds)); |
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190 __ASSERT_DEBUG(rect.iTl.iY>=0 && rect.iBr.iY<=iSize.iHeight,Panic(EScreenDriverPanicOutOfBounds)); |
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191 |
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192 TUint32* pixelPtr = PixelAddress(rect.iTl.iX,rect.iTl.iY); |
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193 TUint32* pixelRowPtrLimit = pixelPtr + (rect.Height() * iScanLineWords); |
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194 |
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195 TUint32* pixelRowPtr = pixelPtr; |
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196 TUint32* pixelPtrLimit = pixelPtr + rect.Width(); |
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197 |
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198 if (iShadowMode & EFade) |
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199 { |
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200 #if !defined(SYMBIAN_USE_FAST_FADING) |
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201 const TInt wordFadeMapOffset = ((iFadeMapOffset & 0xff) << 16) | (iFadeMapOffset & 0xff); |
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202 #endif |
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203 while (pixelRowPtr < pixelRowPtrLimit) |
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204 { |
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205 TUint32* tempPixelPtr = pixelRowPtr; |
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206 |
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207 while (tempPixelPtr < pixelPtrLimit) |
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208 { |
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209 #if defined(SYMBIAN_USE_FAST_FADING) |
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210 *tempPixelPtr++ = 0xff000000 | ((((*tempPixelPtr) >> 1) & ~0x00808080) + (SYMBIAN_USE_FAST_FADING)); |
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211 #else |
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212 const TUint32 color = *tempPixelPtr; |
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213 const TInt rb = ((((color & 0x00ff00ff) * iFadeMapFactor) >> 8) + wordFadeMapOffset) & 0x00ff00ff; |
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214 const TInt g = ((((color & 0x0000ff00) * iFadeMapFactor) >> 16) + iFadeMapOffset) << 8; |
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215 *tempPixelPtr++ = 0xff000000 | rb | g; |
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216 #endif |
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217 } |
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218 |
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219 pixelRowPtr += iScanLineWords; |
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220 pixelPtrLimit += iScanLineWords; |
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221 } |
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222 } |
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223 |
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224 if (iShadowMode & EShadow) |
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225 { |
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226 pixelRowPtr = pixelPtr; |
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227 pixelPtrLimit = pixelPtr + rect.Width(); |
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228 while (pixelRowPtr < pixelRowPtrLimit) |
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229 { |
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230 TUint32* tempPixelPtr = pixelRowPtr; |
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231 |
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232 while (tempPixelPtr < pixelPtrLimit) |
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233 { |
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234 const TUint32 color = *tempPixelPtr; |
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235 const TInt r = (color & 0x00c00000) ? ((color & 0x00ff0000)-0x00400000) : 0; |
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236 const TInt g = (color & 0x0000c000) ? ((color & 0x0000ff00)-0x00004000) : 0; |
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237 const TInt b = (color & 0x000000c0) ? ((color & 0x000000ff)-0x00000040) : 0; |
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238 *tempPixelPtr++ = 0xff000000 | r | g | b; |
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239 } |
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240 |
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241 pixelRowPtr += iScanLineWords; |
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242 pixelPtrLimit += iScanLineWords; |
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243 } |
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244 } |
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245 } |
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246 |
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247 void CDrawThirtyTwoBppBitmapCommon::ShadowBuffer(TInt aLength,TUint32* aBuffer) |
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248 { |
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249 __ASSERT_DEBUG(aLength>0,Panic(EScreenDriverPanicZeroLength)); |
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250 __ASSERT_DEBUG(aBuffer,Panic(EScreenDriverPanicNullPointer)); |
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251 |
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252 TUint32* limit = aBuffer + aLength; |
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253 |
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254 while (aBuffer < limit) |
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255 Shadow(*aBuffer++); |
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256 } |
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257 |
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258 void CDrawThirtyTwoBppBitmapCommon::WriteRgb(TInt aX,TInt aY,TRgb aColor) |
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259 { |
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260 TUint8* componentPtr = reinterpret_cast <TUint8*> (PixelAddress(aX,aY)); |
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261 const TInt sourceAlpha = aColor.Alpha(); |
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262 |
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263 if (sourceAlpha==0) |
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264 return; |
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265 if(sourceAlpha != 0xff) |
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266 { |
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267 aColor = AlphaBlend(aColor.Red(), aColor.Green(), aColor.Blue(), TRgb(componentPtr[2], componentPtr[1], componentPtr[0]), sourceAlpha); |
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268 } |
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269 |
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270 componentPtr[0] = TUint8(aColor.Blue()); |
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271 componentPtr[1] = TUint8(aColor.Green()); |
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272 componentPtr[2] = TUint8(aColor.Red()); |
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273 } |
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274 |
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275 void CDrawThirtyTwoBppBitmapCommon::WriteBinary(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor) |
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276 { |
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277 const TInt sourceAlpha = aColor.Alpha(); |
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278 if(sourceAlpha == 0) |
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279 return; |
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280 DeOrientate(aX,aY); |
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281 |
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282 TInt pixelInc; |
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283 TInt rowInc; |
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284 |
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285 switch(iOrientation) |
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286 { |
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287 case EOrientationNormal: |
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288 { |
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289 pixelInc = 1; |
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290 rowInc = iScanLineWords; |
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291 break; |
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292 } |
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293 case EOrientationRotated90: |
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294 { |
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295 pixelInc = iScanLineWords; |
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296 rowInc = -1; |
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297 break; |
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298 } |
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299 case EOrientationRotated180: |
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300 { |
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301 pixelInc = -1; |
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302 rowInc = -iScanLineWords; |
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303 break; |
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304 } |
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305 default: // EOrientationRotated270 |
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306 { |
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307 pixelInc = -iScanLineWords; |
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308 rowInc = 1; |
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309 } |
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310 } |
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311 |
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312 const TUint32* dataLimit = aBuffer + aHeight; |
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313 const TUint32 dataMaskLimit = (aLength < 32) ? 1 << aLength : 0; |
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314 |
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315 TUint32* pixelPtr = PixelAddress(aX,aY); |
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316 |
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317 if(sourceAlpha == 255) //we split code on two parts because of performance reasons |
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318 { |
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319 TInt color = Color(aColor); |
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320 while (aBuffer < dataLimit) |
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321 { |
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322 TUint32 dataWord = *aBuffer++; |
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323 TUint32 dataMask = 1; |
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324 TUint32* tempPixelPtr = pixelPtr; |
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325 |
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326 while (dataMask != dataMaskLimit) |
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327 { |
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328 if(dataWord & dataMask) |
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329 { |
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330 *tempPixelPtr = color; |
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331 } |
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332 |
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333 tempPixelPtr += pixelInc; |
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334 dataMask <<= 1; |
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335 } |
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336 |
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337 pixelPtr += rowInc; |
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338 } |
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339 } |
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340 else //sourceAlpha != 255 |
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341 { |
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342 const TUint32 sourceInternal=aColor.Internal(); |
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343 const TUint32 s_rb = sourceInternal & 0x00FF00FF; |
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344 const TUint32 s_g = (sourceInternal & 0xFF00) >> 8; |
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345 const TUint32 mask2 = sourceAlpha | (sourceAlpha << 16); |
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346 while (aBuffer < dataLimit) |
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347 { |
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348 TUint32 dataWord = *aBuffer++; |
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349 TUint32 dataMask = 1; |
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350 TUint32* tempPixelPtr = pixelPtr; |
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351 |
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352 while (dataMask != dataMaskLimit) |
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353 { |
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354 if (dataWord & dataMask) |
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355 { |
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356 BlendFromRBandG(tempPixelPtr,s_rb,s_g,sourceAlpha,mask2); |
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357 } |
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358 |
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359 tempPixelPtr += pixelInc; |
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360 dataMask <<= 1; |
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361 } |
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362 |
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363 pixelPtr += rowInc; |
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364 } |
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365 } |
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366 } |
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367 |
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368 void CDrawThirtyTwoBppBitmapCommon::WriteBinaryOp(TInt aX,TInt aY,TUint32* aBuffer,TInt aLength,TInt aHeight,TRgb aColor,CGraphicsContext::TDrawMode aDrawMode) |
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369 { |
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370 if (aLength <= 0) |
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371 return; |
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372 |
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373 DeOrientate(aX,aY); |
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374 TUint32* pixelPtr = PixelAddress(aX,aY); |
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375 |
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376 const TUint32* dataPtrLimit = aBuffer + aHeight; |
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377 const TUint32 dataMaskLimit = (aLength < 32) ? 1 << aLength : 0; |
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378 |
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379 TInt pixelInc; |
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380 TInt rowInc; |
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381 |
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382 if (iOrientation == EOrientationNormal) |
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383 { |
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384 pixelInc = 1; |
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385 rowInc = iScanLineWords; |
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386 } |
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387 else if (iOrientation == EOrientationRotated90) |
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388 { |
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389 pixelInc = iScanLineWords; |
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390 rowInc = -1; |
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391 } |
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392 else if (iOrientation == EOrientationRotated180) |
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393 { |
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394 pixelInc = -1; |
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395 rowInc = -iScanLineWords; |
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396 } |
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397 else // EOrientationRotated270 |
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398 { |
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399 pixelInc = -iScanLineWords; |
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400 rowInc = 1; |
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401 } |
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402 |
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403 TInt color = Color(aColor);// & 0x00FFFFFF; |
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404 |
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405 if (color != 0) |
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406 { |
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407 while (aBuffer < dataPtrLimit) |
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408 { |
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409 TUint32 dataWord = *aBuffer++; |
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410 TUint32 dataMask = 1; |
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411 TUint32* tempPixelPtr = pixelPtr; |
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412 |
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413 while (dataMask != dataMaskLimit) |
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414 { |
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415 if(dataWord & dataMask) |
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416 { |
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417 if(aDrawMode==CGraphicsContext::EDrawModeXOR) |
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418 { |
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419 *tempPixelPtr ^= color; |
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420 } |
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421 else if(aDrawMode==CGraphicsContext::EDrawModeAND) |
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422 { |
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423 *tempPixelPtr &= color; |
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424 } |
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425 else if(aDrawMode==CGraphicsContext::EDrawModeOR) |
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426 { |
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427 *tempPixelPtr |= color; |
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428 } |
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429 } |
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430 |
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431 tempPixelPtr += pixelInc; |
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432 dataMask <<= 1; |
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433 } |
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434 |
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435 pixelPtr += rowInc; |
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436 } |
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437 } |
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438 else if (aDrawMode == CGraphicsContext::EDrawModeAND) |
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439 { |
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440 while (aBuffer < dataPtrLimit) |
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441 { |
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442 TUint32 dataWord = *aBuffer++; |
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443 TUint32 dataMask = 1; |
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444 TUint32* tempPixelPtr = pixelPtr; |
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445 |
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446 while (dataMask != dataMaskLimit) |
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447 { |
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448 if(dataWord & dataMask) |
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449 { |
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450 *tempPixelPtr = 0; |
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451 } |
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452 |
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453 tempPixelPtr += pixelInc; |
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454 dataMask <<= 1; |
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455 } |
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456 |
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457 pixelPtr += rowInc; |
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458 } |
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459 } |
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460 } |
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461 |
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462 void CDrawThirtyTwoBppBitmapCommon::WriteBinaryLineVertical(TInt aX,TInt aY,TUint32* aBuffer,TInt aHeight,TRgb aColor,TBool aUp) |
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463 { |
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464 const TInt sourceAlpha = aColor.Alpha(); |
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465 if(sourceAlpha == 0) |
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466 return; |
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467 DeOrientate(aX,aY); |
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468 |
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469 TInt scanlineWordLength; |
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470 |
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471 if (iOrientation == EOrientationNormal) |
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472 scanlineWordLength = iScanLineWords; |
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473 else if (iOrientation == EOrientationRotated90) |
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474 scanlineWordLength = -1; |
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475 else if (iOrientation == EOrientationRotated180) |
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476 scanlineWordLength = -iScanLineWords; |
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477 else // EOrientationRotated270 |
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478 scanlineWordLength = 1; |
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479 |
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480 if (aUp) |
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481 scanlineWordLength = -scanlineWordLength; |
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482 |
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483 TUint32* pixelPtr = PixelAddress(aX,aY); |
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484 const TUint32* pixelPtrLimit = pixelPtr + (aHeight * scanlineWordLength); |
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485 TUint32 dataWord = *aBuffer; |
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486 TUint32 dataMask = 1; |
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487 |
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488 if(sourceAlpha == 255) //we split code on two parts because of performance reasons |
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489 { |
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490 TInt color = Color(aColor); |
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491 while(pixelPtr != pixelPtrLimit) |
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492 { |
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493 if(!dataMask) |
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494 { |
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495 dataMask = 1; |
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496 aBuffer++; |
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497 dataWord = *aBuffer; |
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498 } |
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499 |
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500 if(dataWord & dataMask) |
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501 { |
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502 *pixelPtr = color; |
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503 } |
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504 |
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505 dataMask <<= 1; |
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506 pixelPtr += scanlineWordLength; |
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507 } |
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508 } |
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509 else //sourceAlpha != 255 |
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510 { |
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511 const TUint32 sourceInternal=aColor.Internal(); |
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512 const TUint32 s_rb = sourceInternal & 0x00FF00FF; |
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513 const TUint32 s_g = (sourceInternal & 0xFF00) >> 8; |
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514 const TUint32 mask2 = sourceAlpha | (sourceAlpha << 16); |
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515 while(pixelPtr != pixelPtrLimit) |
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516 { |
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517 if(!dataMask) |
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518 { |
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519 dataMask = 1; |
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520 aBuffer++; |
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521 dataWord = *aBuffer; |
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522 } |
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523 |
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524 if(dataWord & dataMask) |
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525 { |
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526 BlendFromRBandG(pixelPtr, s_rb, s_g, sourceAlpha, mask2); |
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527 } |
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528 |
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529 dataMask <<= 1; |
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530 pixelPtr += scanlineWordLength; |
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531 } |
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532 } |
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533 } |
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534 |
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535 void CDrawThirtyTwoBppBitmapCommon::WriteLine(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) |
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536 { |
|
537 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
538 |
|
539 if (iOrientation == EOrientationNormal) |
|
540 Mem::Copy(pixelPtr,aBuffer,aLength << 2); |
|
541 else |
|
542 { |
|
543 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
544 |
|
545 TUint32* bufferPtrLimit = aBuffer + aLength; |
|
546 |
|
547 while (aBuffer < bufferPtrLimit) |
|
548 { |
|
549 *pixelPtr = *aBuffer++; |
|
550 pixelPtr += pixelPtrInc; |
|
551 } |
|
552 } |
|
553 } |
|
554 |
|
555 void CDrawThirtyTwoBppBitmapCommon::WriteLineXOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) |
|
556 { |
|
557 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
558 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
559 |
|
560 TUint32* bufferPtrLimit = aBuffer + aLength; |
|
561 |
|
562 while (aBuffer < bufferPtrLimit) |
|
563 { |
|
564 *pixelPtr ^= *aBuffer++; |
|
565 pixelPtr += pixelPtrInc; |
|
566 } |
|
567 } |
|
568 |
|
569 void CDrawThirtyTwoBppBitmapCommon::WriteLineAND(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) |
|
570 { |
|
571 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
572 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
573 |
|
574 TUint32* bufferPtrLimit = aBuffer + aLength; |
|
575 |
|
576 while (aBuffer < bufferPtrLimit) |
|
577 { |
|
578 *pixelPtr &= *aBuffer++; |
|
579 pixelPtr += pixelPtrInc; |
|
580 } |
|
581 } |
|
582 |
|
583 void CDrawThirtyTwoBppBitmapCommon::WriteLineOR(TInt aX,TInt aY,TInt aLength,TUint32* aBuffer) |
|
584 { |
|
585 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
586 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
587 |
|
588 TUint32* bufferPtrLimit = aBuffer + aLength; |
|
589 |
|
590 while (aBuffer < bufferPtrLimit) |
|
591 { |
|
592 *pixelPtr |= *aBuffer++; |
|
593 pixelPtr += pixelPtrInc; |
|
594 } |
|
595 } |
|
596 |
|
597 /** |
|
598 MAlphaBlend::WriteRgbAlphaLine() implementation. |
|
599 @see MAlphaBlend::WriteRgbAlphaLine() |
|
600 */ |
|
601 void CDrawThirtyTwoBppBitmapCommon::WriteRgbAlphaLine(TInt aX, TInt aY, TInt aLength, |
|
602 const TUint8* aRgbBuffer, |
|
603 const TUint8* aMaskBuffer, |
|
604 MAlphaBlend::TShadowing aShadowing, |
|
605 CGraphicsContext::TDrawMode /*aDrawMode*/) |
|
606 { |
|
607 DeOrientate(aX,aY); |
|
608 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
609 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
610 const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength; |
|
611 |
|
612 while (aMaskBuffer < maskBufferPtrLimit) |
|
613 { |
|
614 TRgb srcColor(aRgbBuffer[2],aRgbBuffer[1],aRgbBuffer[0]);// !! we don't have any alpha information for the source, so assume opaque |
|
615 if(aMaskBuffer[0]) |
|
616 { |
|
617 if(aShadowing == MAlphaBlend::EShdwBefore) |
|
618 { |
|
619 Shadow(srcColor); |
|
620 } |
|
621 TUint8* componentPtr = reinterpret_cast <TUint8*> (pixelPtr); |
|
622 if(aMaskBuffer[0] != 0xff) |
|
623 { |
|
624 srcColor = AlphaBlend(srcColor.Red(), srcColor.Green(), srcColor.Blue(), TRgb(componentPtr[2], componentPtr[1], componentPtr[0]), aMaskBuffer[0]); |
|
625 } |
|
626 if(aShadowing == MAlphaBlend::EShdwAfter) |
|
627 { |
|
628 Shadow(srcColor); |
|
629 } |
|
630 MapColorToUserDisplayMode(srcColor); |
|
631 componentPtr[0] = TUint8(srcColor.Blue()); |
|
632 componentPtr[1] = TUint8(srcColor.Green()); |
|
633 componentPtr[2] = TUint8(srcColor.Red()); |
|
634 } |
|
635 pixelPtr += pixelPtrInc; |
|
636 aRgbBuffer += 4; |
|
637 aMaskBuffer++; |
|
638 } |
|
639 } |
|
640 |
|
641 void CDrawThirtyTwoBppBitmapCommon::WriteRgbMulti(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) |
|
642 { |
|
643 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
644 TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords); |
|
645 |
|
646 TInt color = Color(aColor); |
|
647 |
|
648 while (pixelPtr < pixelRowPtrLimit) |
|
649 { |
|
650 MemFillTUint32(pixelPtr, aLength, color); |
|
651 pixelPtr += iScanLineWords; |
|
652 } |
|
653 } |
|
654 |
|
655 void CDrawThirtyTwoBppBitmapCommon::WriteRgbMultiXOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) |
|
656 { |
|
657 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
658 TUint32* pixelPtrLimit = pixelPtr + aLength; |
|
659 TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords); |
|
660 TInt color = Color(aColor); |
|
661 |
|
662 while (pixelPtr < pixelRowPtrLimit) |
|
663 { |
|
664 for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++) |
|
665 { |
|
666 *tempPixelPtr ^= color; |
|
667 } |
|
668 |
|
669 pixelPtr += iScanLineWords; |
|
670 pixelPtrLimit += iScanLineWords; |
|
671 } |
|
672 } |
|
673 |
|
674 void CDrawThirtyTwoBppBitmapCommon::WriteRgbMultiAND(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) |
|
675 { |
|
676 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
677 TUint32* pixelPtrLimit = pixelPtr + aLength; |
|
678 TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords); |
|
679 TInt color = Color(aColor); |
|
680 |
|
681 while (pixelPtr < pixelRowPtrLimit) |
|
682 { |
|
683 for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++) |
|
684 { |
|
685 *tempPixelPtr &= color; |
|
686 } |
|
687 |
|
688 pixelPtr += iScanLineWords; |
|
689 pixelPtrLimit += iScanLineWords; |
|
690 } |
|
691 } |
|
692 |
|
693 void CDrawThirtyTwoBppBitmapCommon::WriteRgbMultiOR(TInt aX,TInt aY,TInt aLength,TInt aHeight,TRgb aColor) |
|
694 { |
|
695 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
696 TUint32* pixelPtrLimit = pixelPtr + aLength; |
|
697 TUint32* pixelRowPtrLimit = pixelPtr + (aHeight * iScanLineWords); |
|
698 TInt color = Color(aColor); |
|
699 |
|
700 while (pixelPtr < pixelRowPtrLimit) |
|
701 { |
|
702 for (TUint32* tempPixelPtr = pixelPtr; tempPixelPtr < pixelPtrLimit; tempPixelPtr++) |
|
703 { |
|
704 *tempPixelPtr |= color; |
|
705 } |
|
706 |
|
707 pixelPtr += iScanLineWords; |
|
708 pixelPtrLimit += iScanLineWords; |
|
709 } |
|
710 } |
|
711 |
|
712 inline TUint32 OptimizedBlend32(TInt aPrimaryRed,TInt aPrimaryGreen,TInt aPrimaryBlue,TUint32 aSecondary,TUint8 aAlphaValue) |
|
713 { |
|
714 __ASSERT_DEBUG(!(aPrimaryRed>>8) && !(aPrimaryGreen>>8) && !(aPrimaryBlue>>8) && !(aAlphaValue>>8), |
|
715 Panic(EScreenDriverPanicAlphaBlendInvariant)); |
|
716 |
|
717 if(aAlphaValue == 0xff) |
|
718 { |
|
719 return (aPrimaryBlue + (aPrimaryGreen<<8) + (aPrimaryRed<<16)) | 0xff000000; |
|
720 } |
|
721 else |
|
722 { |
|
723 const TUint32 alphaValue = (aAlphaValue << 8) + aAlphaValue; |
|
724 |
|
725 const TInt r2 = (aSecondary & 0x00ff0000) >> 16; |
|
726 const TInt g2 = (aSecondary & 0x0000ff00) >> 8; |
|
727 const TInt b2 = aSecondary & 0x000000ff; |
|
728 |
|
729 const TInt r3 = ((alphaValue * (aPrimaryRed - r2)) >> 16) + r2; |
|
730 const TInt g3 = ((alphaValue * (aPrimaryGreen - g2)) >> 16) + g2; |
|
731 const TInt b3 = ((alphaValue * (aPrimaryBlue - b2)) >> 16) + b2; |
|
732 |
|
733 return (b3 & 0xFF) | ((g3<<8) & 0xFF00) | ((r3<<16) & 0xFF0000) | 0xFF000000; |
|
734 } |
|
735 } |
|
736 |
|
737 void CDrawThirtyTwoBppBitmapCommon::WriteRgbAlphaMulti(TInt aX,TInt aY,TInt aLength,TRgb aColor,const TUint8* aMaskBuffer) |
|
738 { |
|
739 const TUint32 sourceAlpha = aColor.Alpha(); |
|
740 if (sourceAlpha==0 || aLength<=0) |
|
741 return; |
|
742 DeOrientate(aX,aY); |
|
743 TUint32* pixelPtr = PixelAddress(aX,aY); |
|
744 const TInt pixelPtrInc = PixelAddressIncrement(); |
|
745 const TUint8* maskBufferPtrLimit = aMaskBuffer + aLength; |
|
746 |
|
747 if (iShadowMode) |
|
748 Shadow(aColor); |
|
749 |
|
750 const TUint32 sourceInternal=aColor.Internal(); |
|
751 const TUint32 s_rb = sourceInternal & 0x00FF00FF; |
|
752 const TUint32 s_g = (sourceInternal & 0xFF00) >> 8; |
|
753 if (sourceAlpha==0xFF) |
|
754 { |
|
755 while (aMaskBuffer < maskBufferPtrLimit) |
|
756 { |
|
757 const TUint32 maskAlpha=*aMaskBuffer; |
|
758 if (maskAlpha) |
|
759 { |
|
760 if (maskAlpha==0xFF) |
|
761 *pixelPtr = sourceInternal; |
|
762 else |
|
763 BlendFromRBandG(pixelPtr,s_rb,s_g,maskAlpha,maskAlpha|(maskAlpha<<16)); |
|
764 } |
|
765 pixelPtr += pixelPtrInc; |
|
766 aMaskBuffer++; |
|
767 } |
|
768 } |
|
769 else |
|
770 { |
|
771 while (aMaskBuffer < maskBufferPtrLimit) |
|
772 { |
|
773 const TUint32 maskAlpha=*aMaskBuffer; |
|
774 if (maskAlpha) |
|
775 { |
|
776 TUint blendAlpha = sourceAlpha; |
|
777 if (maskAlpha!=0xFF) |
|
778 blendAlpha=((maskAlpha+1) * sourceAlpha)>>8; |
|
779 BlendFromRBandG(pixelPtr,s_rb,s_g,blendAlpha,blendAlpha|(blendAlpha<<16)); |
|
780 } |
|
781 pixelPtr += pixelPtrInc; |
|
782 aMaskBuffer++; |
|
783 } |
|
784 } |
|
785 } |
|
786 |
|
787 void CDrawThirtyTwoBppBitmapCommon::MapColorToUserDisplayMode(TRgb& aColor) |
|
788 { |
|
789 const TInt alpha = aColor.Alpha(); |
|
790 switch (iUserDispMode) |
|
791 { |
|
792 case EGray2: |
|
793 aColor = TRgb::_Gray2(aColor._Gray2()); |
|
794 break; |
|
795 case EGray4: |
|
796 aColor = TRgb::_Gray4(aColor._Gray4()); |
|
797 break; |
|
798 case EGray16: |
|
799 aColor = TRgb::_Gray16(aColor._Gray16()); |
|
800 break; |
|
801 case EGray256: |
|
802 aColor = TRgb::_Gray256(aColor._Gray256()); |
|
803 break; |
|
804 case EColor16: |
|
805 aColor = TRgb::Color16(aColor.Color16()); |
|
806 break; |
|
807 case EColor256: |
|
808 aColor = TRgb::Color256(aColor.Color256()); |
|
809 break; |
|
810 case EColor4K: |
|
811 aColor = TRgb::_Color4K(aColor._Color4K()); |
|
812 break; |
|
813 case EColor64K: |
|
814 aColor = TRgb::_Color64K(aColor._Color64K()); |
|
815 break; |
|
816 default: |
|
817 break; |
|
818 } |
|
819 aColor.SetAlpha(alpha); |
|
820 } |
|
821 |
|
822 void CDrawThirtyTwoBppBitmapCommon::MapBufferToUserDisplayMode(TInt aLength,TUint32* aBuffer) |
|
823 { |
|
824 const TUint32* bufferLimit = aBuffer + aLength; |
|
825 const TUint16* nTable = PtrTo16BitNormalisationTable(); |
|
826 TRgb color; |
|
827 |
|
828 switch (iUserDispMode) |
|
829 { |
|
830 case EGray2: |
|
831 while (aBuffer < bufferLimit) |
|
832 { |
|
833 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
834 color = TRgb::_Gray2(color._Gray2()); |
|
835 *aBuffer++ = color.Internal(); |
|
836 } |
|
837 break; |
|
838 case EGray4: |
|
839 while (aBuffer < bufferLimit) |
|
840 { |
|
841 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
842 color = TRgb::_Gray4(color._Gray4()); |
|
843 *aBuffer++ = color.Internal(); |
|
844 } |
|
845 break; |
|
846 case EGray16: |
|
847 while (aBuffer < bufferLimit) |
|
848 { |
|
849 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
850 color = TRgb::_Gray16(color._Gray16()); |
|
851 *aBuffer++ = color.Internal(); |
|
852 } |
|
853 break; |
|
854 case EGray256: |
|
855 while (aBuffer < bufferLimit) |
|
856 { |
|
857 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
858 color = TRgb::_Gray256(color._Gray256()); |
|
859 *aBuffer++ = color.Internal(); |
|
860 } |
|
861 break; |
|
862 case EColor16: |
|
863 while (aBuffer < bufferLimit) |
|
864 { |
|
865 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
866 color = TRgb::Color16(color.Color16()); |
|
867 *aBuffer++ = color.Internal(); |
|
868 } |
|
869 break; |
|
870 case EColor256: |
|
871 while (aBuffer < bufferLimit) |
|
872 { |
|
873 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
874 color = TRgb::Color256(color.Color256()); |
|
875 *aBuffer++ = color.Internal(); |
|
876 } |
|
877 break; |
|
878 case EColor4K: |
|
879 while (aBuffer < bufferLimit) |
|
880 { |
|
881 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
882 color = TRgb::_Color4K(color._Color4K()); |
|
883 *aBuffer++ = color.Internal(); |
|
884 } |
|
885 break; |
|
886 case EColor64K: |
|
887 while (aBuffer < bufferLimit) |
|
888 { |
|
889 color.SetInternal(PMA2NonPMAPixel(*aBuffer, nTable)); |
|
890 color = TRgb::_Color64K(color._Color64K()); |
|
891 *aBuffer++ = color.Internal(); |
|
892 } |
|
893 break; |
|
894 default: |
|
895 break; |
|
896 } |
|
897 } |
|
898 |
|
899 /** |
|
900 Implementation for CFbsDrawDevice::GetInterface(). |
|
901 Retrieves a pointer to a specified interface of CFbsDrawDevice implementation. |
|
902 @param aInterfaceId Interface identifier of the interface to be retrieved. |
|
903 @param aInterface Address of variable that retrieves the specified interface. |
|
904 @return KErrNone If the interface is supported, KErrNotSupported otherwise. |
|
905 */ |
|
906 TInt CDrawThirtyTwoBppBitmapCommon::GetInterface(TInt aInterfaceId, TAny*& aInterface) |
|
907 { |
|
908 aInterface = NULL; |
|
909 TInt ret = KErrNotSupported; |
|
910 |
|
911 if (aInterfaceId == KFastBlit2InterfaceID) |
|
912 { |
|
913 aInterface = static_cast<MFastBlit2*>(this); |
|
914 ret = KErrNone; |
|
915 } |
|
916 else |
|
917 return CDrawBitmap::GetInterface(aInterfaceId, aInterface); |
|
918 |
|
919 return ret; |
|
920 } |
|
921 |
|
922 /** |
|
923 CDrawThirtyTwoBppBitmapCommon::WriteBitmapBlock() implementation. |
|
924 @internalTechnology |
|
925 @see MFastBlit2::WriteBitmapBlock() |
|
926 */ |
|
927 TInt CDrawThirtyTwoBppBitmapCommon::WriteBitmapBlock(const TPoint& aDest, |
|
928 CFbsDrawDevice* aSrcDrawDevice, |
|
929 const TRect& aSrcRect) |
|
930 { |
|
931 __ASSERT_DEBUG(aSrcDrawDevice && ((aSrcDrawDevice->DisplayMode()==EColor16MU) || (aSrcDrawDevice->DisplayMode()==EColor16MA) ||(aSrcDrawDevice->DisplayMode()==EColor16MAP)), Panic(EScreenDriverPanicInvalidParameter)); |
|
932 |
|
933 TAny* interface=NULL; |
|
934 TInt ret = aSrcDrawDevice->GetInterface(KFastBlit2InterfaceID, interface); |
|
935 if (ret != KErrNone) |
|
936 { |
|
937 return KErrNotSupported; |
|
938 } |
|
939 |
|
940 TAny* interface1=NULL; |
|
941 ret = aSrcDrawDevice->GetInterface(KScalingSettingsInterfaceID, interface1); |
|
942 if(ret != KErrNone || (interface1 && !reinterpret_cast<MScalingSettings*>(interface1)->IsScalingOff())) |
|
943 { |
|
944 return KErrNotSupported; |
|
945 } |
|
946 |
|
947 ret = aSrcDrawDevice->GetInterface(KOrientationInterfaceID, interface1); |
|
948 if(ret != KErrNone || (interface1 && reinterpret_cast<MDrawDeviceOrientation*>(interface1)->Orientation() != 0)) |
|
949 { |
|
950 return KErrNotSupported; |
|
951 } |
|
952 |
|
953 ret = aSrcDrawDevice->GetInterface(KDrawDeviceOriginInterfaceID, interface1); |
|
954 if(ret != KErrNone) |
|
955 { |
|
956 return KErrNotSupported; |
|
957 } |
|
958 |
|
959 if(interface1) |
|
960 { |
|
961 TPoint pt; |
|
962 reinterpret_cast<MDrawDeviceOrigin*>(interface1)->Get(pt); |
|
963 if(pt.iX != 0 || pt.iY != 0) |
|
964 { |
|
965 return KErrNotSupported; |
|
966 } |
|
967 } |
|
968 |
|
969 const TUint32* srcBase = reinterpret_cast<MFastBlit2*>(interface)->Bits(); |
|
970 __ASSERT_DEBUG(srcBase!=NULL, Panic(EScreenDriverPanicInvalidParameter)); |
|
971 TInt srcStride = aSrcDrawDevice->ScanLineBytes(); |
|
972 __ASSERT_DEBUG((srcStride&3)==0, Panic(EScreenDriverPanicInvalidParameter)); // stride is assumed to be a multiple of 4 |
|
973 TSize srcSize = aSrcDrawDevice->SizeInPixels(); |
|
974 |
|
975 return WriteBitmapBlock(aDest, srcBase, srcStride, srcSize, aSrcRect); |
|
976 } |
|
977 |
|
978 /** |
|
979 CDrawThirtyTwoBppBitmapCommon::WriteBitmapBlock() implementation. |
|
980 @internalTechnology |
|
981 @see MFastBlit2::WriteBitmapBlock() |
|
982 */ |
|
983 TInt CDrawThirtyTwoBppBitmapCommon::WriteBitmapBlock(const TPoint& aDest, |
|
984 const TUint32* aSrcBase, |
|
985 TInt aSrcStride, |
|
986 const TSize& aSrcSize, |
|
987 const TRect& aSrcRect) |
|
988 { |
|
989 __ASSERT_DEBUG(aSrcBase, Panic(EScreenDriverPanicInvalidParameter)); |
|
990 __ASSERT_DEBUG((aSrcStride&3)==0, Panic(EScreenDriverPanicInvalidParameter)); |
|
991 __ASSERT_DEBUG(iBits, Panic(EScreenDriverPanicInvalidPointer)); |
|
992 |
|
993 if (iShadowMode!=NULL || |
|
994 (iUserDispMode!=NULL && iUserDispMode!=iDispMode) || |
|
995 iOrientation!=EOrientationNormal || |
|
996 !IsScalingOff() || |
|
997 !iOriginIsZero) |
|
998 { |
|
999 return KErrNotSupported; |
|
1000 } |
|
1001 |
|
1002 __ASSERT_DEBUG(aSrcRect.iTl.iX >= 0, Panic(EScreenDriverPanicOutOfBounds)); |
|
1003 __ASSERT_DEBUG(aSrcRect.iTl.iY >= 0, Panic(EScreenDriverPanicOutOfBounds)); |
|
1004 __ASSERT_DEBUG(aSrcRect.iBr.iX <= aSrcSize.iWidth, Panic(EScreenDriverPanicOutOfBounds)); |
|
1005 __ASSERT_DEBUG(aSrcRect.iBr.iY <= aSrcSize.iHeight, Panic(EScreenDriverPanicOutOfBounds)); |
|
1006 __ASSERT_DEBUG(aDest.iX >= 0, Panic(EScreenDriverPanicOutOfBounds)); |
|
1007 __ASSERT_DEBUG(aDest.iY >= 0, Panic(EScreenDriverPanicOutOfBounds)); |
|
1008 __ASSERT_DEBUG((aDest.iX + aSrcRect.Width()) <= SizeInPixels().iWidth, Panic(EScreenDriverPanicOutOfBounds)); |
|
1009 __ASSERT_DEBUG((aDest.iY + aSrcRect.Height()) <= SizeInPixels().iHeight, Panic(EScreenDriverPanicOutOfBounds)); |
|
1010 |
|
1011 const TInt srcStrideWords=aSrcStride >> 2; |
|
1012 const TInt dstStrideWords=iScanLineWords; |
|
1013 |
|
1014 if (aSrcSize.iWidth == aSrcRect.Width() && |
|
1015 aSrcSize.iWidth == SizeInPixels().iWidth && |
|
1016 srcStrideWords == dstStrideWords) |
|
1017 { |
|
1018 // Optimum case - one memcpy |
|
1019 __ASSERT_DEBUG(aSrcRect.iTl.iX==0 && aDest.iX==0, Panic(EScreenDriverPanicInvalidParameter)); // this is implied by the above conditions |
|
1020 const TUint32* srcPtr = aSrcBase + (iScanLineWords * aSrcRect.iTl.iY); |
|
1021 TUint32* dstPtr = iBits + (iScanLineWords * aDest.iY); |
|
1022 const TInt length = aSrcStride * aSrcRect.Height(); |
|
1023 Mem::Move(dstPtr, srcPtr, length); |
|
1024 return KErrNone; |
|
1025 } |
|
1026 |
|
1027 // Sub-optimal case - one memcpy per line |
|
1028 const TUint32* srcPtr = aSrcBase + (srcStrideWords * aSrcRect.iTl.iY) + aSrcRect.iTl.iX; |
|
1029 TUint32* dstPtr = iBits + (dstStrideWords * aDest.iY ) + aDest.iX; |
|
1030 const TInt length = aSrcRect.Width() << 2; |
|
1031 TInt lines = aSrcRect.Height(); |
|
1032 while (lines--) |
|
1033 { |
|
1034 Mem::Move(dstPtr, srcPtr, length); |
|
1035 srcPtr+=srcStrideWords; |
|
1036 dstPtr+=dstStrideWords; |
|
1037 } |
|
1038 return KErrNone; |
|
1039 } |
|
1040 |
|
1041 /** |
|
1042 CDrawThirtyTwoBppBitmapCommon::Bits() implementation. |
|
1043 @internalTechnology |
|
1044 @see MFastBlit2::Bits() |
|
1045 */ |
|
1046 const TUint32* CDrawThirtyTwoBppBitmapCommon::Bits() const |
|
1047 { |
|
1048 return iBits; |
|
1049 } |