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244 chris 1 
{
2 
	double aCos = cos(theRot);
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	double aSin = sin(theRot);
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	int aCosLong = (int) (aCos * 0x10000);
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	int aSinLong = (int) (aSin * 0x10000);
7 
 
8 
#ifdef OPTIMIZE_SOFTWARE_DRAWING
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	int aRotCenterXLong = (int)(theRotCenterX * 0x10000);
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	int aRotCenterYLong = (int)(theRotCenterY * 0x10000);
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#endif
12 
 
13 
	if (!LockSurface())
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		return;
15 
 
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	int* aMaxRedTable = mDDInterface->mRedAddTable;
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	int* aMaxGreenTable = mDDInterface->mGreenAddTable;
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	int* aMaxBlueTable = mDDInterface->mBlueAddTable;
19 
 
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	int aRedShift = mDDInterface->mRedShift;
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	int aGreenShift = mDDInterface->mGreenShift;
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	int aBlueShift = mDDInterface->mBlueShift;
23 
 
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	int aRedRightShift = 32 - mDDInterface->mRedBits;
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	int aGreenRightShift = 24 - mDDInterface->mGreenBits;
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	int aBlueRightShift = 16 - mDDInterface->mBlueBits;
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	ulong aRMask = mLockedSurfaceDesc.ddpfPixelFormat.dwRBitMask;
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	ulong aGMask = mLockedSurfaceDesc.ddpfPixelFormat.dwGBitMask;
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	ulong aBMask = mLockedSurfaceDesc.ddpfPixelFormat.dwBBitMask;
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	ulong aRRoundAdd = aRMask >> 1;
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	ulong aGRoundAdd = aGMask >> 1;
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	ulong aBRoundAdd = aBMask >> 1;
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	if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 16)
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	{
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		ushort* aDestPixelsRow = ((ushort*) mLockedSurfaceDesc.lpSurface) + ((int)aDestRect.mY * mLockedSurfaceDesc.lPitch/2) + (int)aDestRect.mX;
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		int aDestPixelsPitch = mLockedSurfaceDesc.lPitch/2;
40 
 
41 
		//TODO: if (theColor == Color::White)
42 
		{
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			int ca = theColor.mAlpha;
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			int cr = (theColor.mRed * ca) / 255;
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			int cg = (theColor.mGreen * ca) / 255;
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			int cb = (theColor.mBlue * ca) / 255;
47 
 
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			#define DEST_PIXEL_TYPE ushort
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			#define WRITE_PIXEL\
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			{\
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				ushort dest = *aDestPixels;\
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				\
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				int r = aMaxRedTable[((dest & aRMask)>>aRedShift) + \
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					((((((src1 & 0xFF0000) * a1) + \
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						((src2 & 0xFF0000) * a2) + \
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						((src3 & 0xFF0000) * a3) + \
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						((src4 & 0xFF0000) * a4)) >> aRedRightShift) * cr) >> 8)];\
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				int g = aMaxGreenTable[((dest & aGMask)>>aGreenShift) + \
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					(((((src1 & 0x00FF00) * a1) + \
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						((src2 & 0x00FF00) * a2) + \
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						((src3 & 0x00FF00) * a3) + \
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						((src4 & 0x00FF00) * a4)) * cg) >> (aGreenRightShift + 8))];\
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				int b = aMaxBlueTable[((dest & aBMask)>>aBlueShift) + \
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					(((((src1 & 0x0000FF) * a1) + \
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						((src2 & 0x0000FF) * a2) + \
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						((src3 & 0x0000FF) * a3) + \
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						((src4 & 0x0000FF) * a4)) * cb) >> (aBlueRightShift + 8))];\
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				\
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				*(aDestPixels++) = \
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					(r << aRedShift) | \
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					(g << aGreenShift) | \
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					(b << aBlueShift); \
73 
			}
74 
			#include "BltRotatedHelper.inc"
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			#undef WRITE_PIXEL
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			#undef DEST_PIXEL_TYPE
78 
		}
79 
		/*else
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		{
81 
 
82 
		}*/
83 
	}
84 
	else if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 32)
85 
	{
86 
		ulong* aDestPixelsRow = ((ulong*) mLockedSurfaceDesc.lpSurface) + ((int)aDestRect.mY * mLockedSurfaceDesc.lPitch/4) + (int)aDestRect.mX;
87 
		int aDestPixelsPitch = mLockedSurfaceDesc.lPitch/4;
88 
 
89 
		//if (theColor == Color::White)
90 
		{
91 
			int ca = theColor.mAlpha;
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			int cr = (theColor.mRed * ca) / 255;
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			int cg = (theColor.mGreen * ca) / 255;
94 
			int cb = (theColor.mBlue * ca) / 255;
95 
 
96 
 
97 
			#define DEST_PIXEL_TYPE ulong
98 
			#define WRITE_PIXEL\
99 
			{\
100 
				ulong dest = *aDestPixels;\
101 
				\
102 
				int r = aMaxRedTable[((dest & aRMask)>>aRedShift) + \
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					((((((src1 & 0xFF0000) * a1) + \
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						((src2 & 0xFF0000) * a2) + \
105 
						((src3 & 0xFF0000) * a3) + \
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						((src4 & 0xFF0000) * a4)) >> aRedRightShift) * cr) >> 8)];\
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				int g = aMaxGreenTable[((dest & aGMask)>>aGreenShift) + \
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					(((((src1 & 0x00FF00) * a1) + \
109 
						((src2 & 0x00FF00) * a2) + \
110 
						((src3 & 0x00FF00) * a3) + \
111 
						((src4 & 0x00FF00) * a4)) * cg) >> (aGreenRightShift + 8))];\
112 
				int b = aMaxBlueTable[((dest & aBMask)>>aBlueShift) + \
113 
					(((((src1 & 0x0000FF) * a1) + \
114 
						((src2 & 0x0000FF) * a2) + \
115 
						((src3 & 0x0000FF) * a3) + \
116 
						((src4 & 0x0000FF) * a4)) * cb) >> (aBlueRightShift + 8))];\
117 
				\
118 
				*(aDestPixels++) = \
119 
					(r << aRedShift) | \
120 
					(g << aGreenShift) | \
121 
					(b << aBlueShift);\
122 
			}
123 
 
124 
			#include "BltRotatedHelper.inc"
125 
 
126 
			#undef WRITE_PIXEL
127 
			#undef DEST_PIXEL_TYPE
128 
 
129 
 
130 
		}
131 
		/*else
132 
		{
133 
 
134 
		}*/
135 
	}
136 
 
137 
	UnlockSurface();
138 
}