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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 244 | chris | 1 | { |
| 2 | aMemoryImage->CommitBits(); |
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| 3 | |||
| 4 | RECT aDestRect = {theX, theY, theX + theSrcRect.mWidth, theY + theSrcRect.mHeight}; |
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| 5 | RECT aSrcRect = {theSrcRect.mX, theSrcRect.mY, theSrcRect.mX + theSrcRect.mWidth, theSrcRect.mY + theSrcRect.mHeight}; |
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| 6 | |||
| 7 | if (!LockSurface()) |
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| 8 | return; |
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| 9 | |||
| 10 | uchar* aSrcRLAdditiveData = aMemoryImage->GetRLAdditiveData(mDDInterface); |
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| 11 | |||
| 12 | if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 16) |
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| 13 | { |
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| 14 | ushort* aDestPixelsRow = ((ushort*) mLockedSurfaceDesc.lpSurface) + (theY * mLockedSurfaceDesc.lPitch/2) + theX; |
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| 15 | |||
| 16 | uchar* aRLAdditiveDataRow = aSrcRLAdditiveData + (theSrcRect.mY * theImage->mWidth) + theSrcRect.mX; |
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| 17 | |||
| 18 | ulong aRMask = mLockedSurfaceDesc.ddpfPixelFormat.dwRBitMask; |
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| 19 | ulong aGMask = mLockedSurfaceDesc.ddpfPixelFormat.dwGBitMask; |
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| 20 | ulong aBMask = mLockedSurfaceDesc.ddpfPixelFormat.dwBBitMask; |
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| 21 | |||
| 22 | int aMaxR = (1<<mDDInterface->mRedBits) - 1; |
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| 23 | int aMaxG = (1<<mDDInterface->mGreenBits) - 1; |
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| 24 | int aMaxB = (1<<mDDInterface->mBlueBits) - 1; |
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| 25 | |||
| 26 | int aRedShift = mDDInterface->mRedShift; |
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| 27 | int aGreenShift = mDDInterface->mGreenShift; |
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| 28 | int aBlueShift = mDDInterface->mBlueShift; |
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| 29 | |||
| 30 | int* aMaxRedTable = mDDInterface->mRedAddTable; |
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| 31 | int* aMaxGreenTable = mDDInterface->mGreenAddTable; |
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| 32 | int* aMaxBlueTable = mDDInterface->mBlueAddTable; |
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| 33 | |||
| 34 | if (theColor == Color::White) |
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| 35 | { |
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| 36 | for (int y = 0; y < theSrcRect.mHeight; y++) |
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| 37 | { |
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| 38 | ushort* aDestPixels = aDestPixelsRow; |
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| 39 | uchar* aRLAdditiveData = aRLAdditiveDataRow; |
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| 40 | |||
| 41 | aSrcPixels = aSrcPixelsRow; |
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| 42 | |||
| 43 | for (int aSpanLeft = theSrcRect.mWidth; aSpanLeft > 0; ) |
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| 44 | { |
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| 45 | ulong src = PEEK_SRC_COLOR; |
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| 46 | uchar rl = *aRLAdditiveData; |
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| 47 | |||
| 48 | if (rl > aSpanLeft) |
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| 49 | rl = aSpanLeft; |
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| 50 | |||
| 51 | if ((src & 0xFFFFFF) == 0) // A run of black |
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| 52 | { |
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| 53 | aSrcPixels += rl; |
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| 54 | aDestPixels _PLUSEQUALS rl; |
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| 55 | } |
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| 56 | else |
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| 57 | { |
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| 58 | for (int i = 0; i < rl; i++) |
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| 59 | { |
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| 60 | src = NEXT_SRC_COLOR; |
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| 61 | ulong dest = *aDestPixels; |
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| 62 | |||
| 63 | int r = aMaxRedTable[((dest & aRMask) + (src & aRMask)) >> aRedShift]; |
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| 64 | int g = aMaxGreenTable[((dest & aGMask) + (src & aGMask)) >> aGreenShift]; |
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| 65 | int b = aMaxBlueTable[((dest & aBMask) + (src & aBMask)) >> aBlueShift]; |
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| 66 | |||
| 67 | *(aDestPixels _PLUSPLUS) = |
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| 68 | (r << aRedShift) | |
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| 69 | (g << aGreenShift) | |
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| 70 | (b << aBlueShift); |
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| 71 | } |
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| 72 | } |
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| 73 | |||
| 74 | aRLAdditiveData += rl; |
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| 75 | aSpanLeft -= rl; |
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| 76 | } |
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| 77 | |||
| 78 | aDestPixelsRow += mLockedSurfaceDesc.lPitch/2; |
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| 79 | aSrcPixelsRow += theImage->mWidth; |
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| 80 | aRLAdditiveDataRow += theImage->mWidth; |
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| 81 | } |
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| 82 | } |
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| 83 | else |
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| 84 | { |
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| 85 | int ca = theColor.mAlpha; |
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| 86 | int cr = (theColor.mRed * ca) / 255; |
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| 87 | int cg = (theColor.mGreen * ca) / 255; |
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| 88 | int cb = (theColor.mBlue * ca) / 255; |
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| 89 | |||
| 90 | for (int y = 0; y < theSrcRect.mHeight; y++) |
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| 91 | { |
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| 92 | ushort* aDestPixels = aDestPixelsRow; |
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| 93 | uchar* aRLAdditiveData = aRLAdditiveDataRow; |
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| 94 | |||
| 95 | aSrcPixels = aSrcPixelsRow; |
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| 96 | |||
| 97 | for (int aSpanLeft = theSrcRect.mWidth; aSpanLeft > 0; ) |
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| 98 | { |
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| 99 | ulong src = PEEK_SRC_COLOR; |
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| 100 | uchar rl = *aRLAdditiveData; |
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| 101 | |||
| 102 | if (rl > aSpanLeft) |
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| 103 | rl = aSpanLeft; |
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| 104 | |||
| 105 | if ((src & 0xFFFFFF) == 0) // A run of black |
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| 106 | { |
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| 107 | aSrcPixels += rl; |
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| 108 | aDestPixels _PLUSEQUALS rl; |
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| 109 | } |
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| 110 | else |
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| 111 | { |
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| 112 | for (int i = 0; i < rl; i++) |
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| 113 | { |
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| 114 | src = NEXT_SRC_COLOR; |
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| 115 | ulong dest = *aDestPixels; |
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| 116 | |||
| 117 | int r = aMaxRedTable[((dest & aRMask) >> aRedShift) + ((((src & aRMask) >> aRedShift) * cr) >> 8)]; |
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| 118 | int g = aMaxGreenTable[((dest & aGMask) >> aGreenShift) + ((((src & aGMask) >> aGreenShift) * cg) >> 8)]; |
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| 119 | int b = aMaxBlueTable[((dest & aBMask) >> aBlueShift) + ((((src & aBMask) >> aBlueShift) * cb) >> 8)]; |
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| 120 | |||
| 121 | *(aDestPixels _PLUSPLUS) = |
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| 122 | (r << aRedShift) | |
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| 123 | (g << aGreenShift) | |
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| 124 | (b << aBlueShift); |
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| 125 | } |
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| 126 | } |
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| 127 | |||
| 128 | aRLAdditiveData += rl; |
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| 129 | aSpanLeft -= rl; |
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| 130 | } |
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| 131 | |||
| 132 | aDestPixelsRow += mLockedSurfaceDesc.lPitch/2; |
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| 133 | aSrcPixelsRow += theImage->mWidth; |
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| 134 | aRLAdditiveDataRow += theImage->mWidth; |
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| 135 | } |
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| 136 | } |
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| 137 | } |
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| 138 | else if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 32) |
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| 139 | { |
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| 140 | ulong* aDestPixelsRow = ((ulong*) mLockedSurfaceDesc.lpSurface) + (theY * mLockedSurfaceDesc.lPitch/4) + theX; |
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| 141 | uchar* aRLAdditiveDataRow = aSrcRLAdditiveData + (theSrcRect.mY * theImage->mWidth) + theSrcRect.mX; |
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| 142 | |||
| 143 | ulong aRMask = mLockedSurfaceDesc.ddpfPixelFormat.dwRBitMask; |
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| 144 | ulong aGMask = mLockedSurfaceDesc.ddpfPixelFormat.dwGBitMask; |
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| 145 | ulong aBMask = mLockedSurfaceDesc.ddpfPixelFormat.dwBBitMask; |
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| 146 | |||
| 147 | int aMaxR = (1<<mDDInterface->mRedBits) - 1; |
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| 148 | int aMaxG = (1<<mDDInterface->mGreenBits) - 1; |
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| 149 | int aMaxB = (1<<mDDInterface->mBlueBits) - 1; |
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| 150 | |||
| 151 | int aRedShift = mDDInterface->mRedShift; |
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| 152 | int aGreenShift = mDDInterface->mGreenShift; |
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| 153 | int aBlueShift = mDDInterface->mBlueShift; |
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| 154 | |||
| 155 | int* aMaxRedTable = mDDInterface->mRedAddTable; |
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| 156 | int* aMaxGreenTable = mDDInterface->mGreenAddTable; |
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| 157 | int* aMaxBlueTable = mDDInterface->mBlueAddTable; |
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| 158 | |||
| 159 | if (theColor == Color::White) |
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| 160 | { |
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| 161 | for (int y = 0; y < theSrcRect.mHeight; y++) |
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| 162 | { |
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| 163 | ulong* aDestPixels = aDestPixelsRow; |
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| 164 | uchar* aRLAdditiveData = aRLAdditiveDataRow; |
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| 165 | |||
| 166 | aSrcPixels = aSrcPixelsRow; |
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| 167 | |||
| 168 | for (int aSpanLeft = theSrcRect.mWidth; aSpanLeft > 0; ) |
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| 169 | { |
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| 170 | ulong src = PEEK_SRC_COLOR; |
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| 171 | uchar rl = *aRLAdditiveData; |
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| 172 | |||
| 173 | if (rl > aSpanLeft) |
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| 174 | rl = aSpanLeft; |
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| 175 | |||
| 176 | if ((src & 0xFFFFFF) == 0) // A run of black |
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| 177 | { |
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| 178 | aSrcPixels += rl; |
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| 179 | aDestPixels _PLUSEQUALS rl; |
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| 180 | } |
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| 181 | else |
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| 182 | { |
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| 183 | for (int i = 0; i < rl; i++) |
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| 184 | { |
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| 185 | src = NEXT_SRC_COLOR; |
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| 186 | ulong dest = *aDestPixels; |
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| 187 | |||
| 188 | int r = aMaxRedTable[((dest & aRMask) + (src & aRMask)) >> aRedShift]; |
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| 189 | int g = aMaxGreenTable[((dest & aGMask) + (src & aGMask)) >> aGreenShift]; |
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| 190 | int b = aMaxBlueTable[((dest & aBMask) + (src & aBMask)) >> aBlueShift]; |
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| 191 | |||
| 192 | *(aDestPixels _PLUSPLUS) = |
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| 193 | (r << aRedShift) | |
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| 194 | (g << aGreenShift) | |
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| 195 | (b << aBlueShift); |
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| 196 | } |
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| 197 | } |
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| 198 | |||
| 199 | aRLAdditiveData += rl; |
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| 200 | aSpanLeft -= rl; |
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| 201 | } |
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| 202 | |||
| 203 | aDestPixelsRow += mLockedSurfaceDesc.lPitch/4; |
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| 204 | aSrcPixelsRow += theImage->mWidth; |
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| 205 | aRLAdditiveDataRow += theImage->mWidth; |
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| 206 | } |
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| 207 | } |
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| 208 | else |
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| 209 | { |
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| 210 | int ca = theColor.mAlpha; |
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| 211 | int cr = (theColor.mRed * ca) / 255; |
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| 212 | int cg = (theColor.mGreen * ca) / 255; |
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| 213 | int cb = (theColor.mBlue * ca) / 255; |
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| 214 | |||
| 215 | for (int y = 0; y < theSrcRect.mHeight; y++) |
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| 216 | { |
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| 217 | ulong* aDestPixels = aDestPixelsRow; |
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| 218 | uchar* aRLAdditiveData = aRLAdditiveDataRow; |
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| 219 | |||
| 220 | aSrcPixels = aSrcPixelsRow; |
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| 221 | |||
| 222 | for (int aSpanLeft = theSrcRect.mWidth; aSpanLeft > 0; ) |
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| 223 | { |
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| 224 | ulong src = PEEK_SRC_COLOR; |
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| 225 | uchar rl = *aRLAdditiveData; |
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| 226 | |||
| 227 | if (rl > aSpanLeft) |
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| 228 | rl = aSpanLeft; |
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| 229 | |||
| 230 | if ((src & 0xFFFFFF) == 0) // A run of black |
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| 231 | { |
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| 232 | aSrcPixels += rl; |
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| 233 | aDestPixels _PLUSEQUALS rl; |
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| 234 | } |
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| 235 | else |
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| 236 | { |
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| 237 | for (int i = 0; i < rl; i++) |
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| 238 | { |
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| 239 | src = NEXT_SRC_COLOR; |
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| 240 | ulong dest = *aDestPixels; |
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| 241 | |||
| 242 | int r = aMaxRedTable[((dest & aRMask) >> aRedShift) + ((((src & aRMask) >> aRedShift) * cr) >> 8)]; |
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| 243 | int g = aMaxGreenTable[((dest & aGMask) >> aGreenShift) + ((((src & aGMask) >> aGreenShift) * cg) >> 8)]; |
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| 244 | int b = aMaxBlueTable[((dest & aBMask) >> aBlueShift) + ((((src & aBMask) >> aBlueShift) * cb) >> 8)]; |
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| 245 | |||
| 246 | *(aDestPixels _PLUSPLUS) = |
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| 247 | (r << aRedShift) | |
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| 248 | (g << aGreenShift) | |
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| 249 | (b << aBlueShift); |
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| 250 | } |
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| 251 | } |
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| 252 | |||
| 253 | aRLAdditiveData += rl; |
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| 254 | aSpanLeft -= rl; |
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| 255 | } |
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| 256 | |||
| 257 | aDestPixelsRow += mLockedSurfaceDesc.lPitch/4; |
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| 258 | aSrcPixelsRow += theImage->mWidth; |
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| 259 | aRLAdditiveDataRow += theImage->mWidth; |
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| 260 | } |
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| 261 | } |
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| 262 | } |
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| 263 | |||
| 264 | UnlockSurface(); |
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| 265 | } |