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{
double aCos = cos(theRot);
double aSin = sin(theRot);
int aCosLong = (int) (aCos * 0x10000);
int aSinLong = (int) (aSin * 0x10000);
if (!LockSurface())
return;
int aRedShift = mDDInterface->mRedShift;
int aGreenShift = mDDInterface->mGreenShift;
int aBlueShift = mDDInterface->mBlueShift;
int aRedRightShift = 32 - mDDInterface->mRedBits;
int aGreenRightShift = 24 - mDDInterface->mGreenBits;
int aBlueRightShift = 16 - mDDInterface->mBlueBits;
int aNumBits = mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount;
ulong aRMask = mLockedSurfaceDesc.ddpfPixelFormat.dwRBitMask;
ulong aGMask = mLockedSurfaceDesc.ddpfPixelFormat.dwGBitMask;
ulong aBMask = mLockedSurfaceDesc.ddpfPixelFormat.dwBBitMask;
ulong aRRoundAdd = aRMask >> 1;
ulong aGRoundAdd = aGMask >> 1;
ulong aBRoundAdd = aBMask >> 1;
if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 16)
{
ushort* aDestPixelsRow = ((ushort*) mLockedSurfaceDesc.lpSurface) + ((int)aDestRect.mY * mLockedSurfaceDesc.lPitch/2) + (int)aDestRect.mX;
int aDestPixelsPitch = mLockedSurfaceDesc.lPitch/2;
if (theColor == Color::White)
{
#define DEST_PIXEL_TYPE ushort
#define WRITE_PIXEL\
{\
ushort dest = *aDestPixels;\
int oma = 256 - (a1 + a2 + a3 + a4);\
*(aDestPixels++) = \
(((((dest & aBMask) * oma) >> 8) & aBMask) + \
(((((src1 & 0x0000FF) * a1) + \
((src2 & 0x0000FF) * a2) + \
((src3 & 0x0000FF) * a3) + \
((src4 & 0x0000FF) * a4)) >> aBlueRightShift) << aBlueShift)) | \
(((((dest & aGMask) * oma) >> 8) & aGMask) + \
(((((src1 & 0x00FF00) * a1) + \
((src2 & 0x00FF00) * a2) + \
((src3 & 0x00FF00) * a3) + \
((src4 & 0x00FF00) * a4)) >> aGreenRightShift) << aGreenShift)) | \
(((((dest & aRMask) * oma) >> 8) & aRMask) + \
(((((src1 & 0xFF0000) * a1) + \
((src2 & 0xFF0000) * a2) + \
((src3 & 0xFF0000) * a3) + \
((src4 & 0xFF0000) * a4)) >> aRedRightShift) << aRedShift)); \
}
#define WRITE_PIXEL_OPTIMIZED_565\
{\
ulong dest = (*aDestPixels | (*aDestPixels << 16)) & 0x7E0F81F;\
int oma = (256 - (a1 + a2 + a3 + a4)) >> 3;\
ulong src_b = ((src1 & 0xFF00FF) * a1 + (src2 & 0xFF00FF) * a2 + (src3 & 0xFF00FF) * a3 + (src4 & 0xFF00FF) * a4) & 0xFF00FF00;\
src_b = ((((src1 & 0xFF00) * a1 + (src2 & 0xFF00) * a2 + (src3 & 0xFF00) * a3 + (src4 & 0xFF00) * a4) & 0xFF0000) | src_b) >> 8;\
ulong s = ((src_b & 0xfc00) << 11) + (src_b >> 8 & 0xf800) + (src_b >> 3 & 0x1f);\
dest = ((dest * oma >> 5) & 0x7E0F81F) + s;\
*(aDestPixels++) = dest | (dest >> 16);\
}
#define WRITE_PIXEL_OPTIMIZED_555\
{\
ulong dest = (*aDestPixels | (*aDestPixels << 16)) & 0x3E07C1F;\
int oma = (256 - (a1 + a2 + a3 + a4)) >> 3;\
ulong src_b = ((src1 & 0xFF00FF) * a1 + (src2 & 0xFF00FF) * a2 + (src3 & 0xFF00FF) * a3 + (src4 & 0xFF00FF) * a4) & 0xFF00FF00;\
src_b = ((((src1 & 0xFF00) * a1 + (src2 & 0xFF00) * a2 + (src3 & 0xFF00) * a3 + (src4 & 0xFF00) * a4) & 0xFF0000) | src_b) >> 8;\
ulong s = ((src_b & 0xf800) << 10) + (src_b >> 9 & 0x7c00) + (src_b >> 3 & 0x1f);\
dest = ((dest * oma >> 5) & 0x3E07C1F) + s;\
*(aDestPixels++) = dest | (dest >> 16);\
}
#define WRITE_PIXEL_OPTIMIZED
#include "BltRotatedHelper.inc"
#undef WRITE_PIXEL
#undef DEST_PIXEL_TYPE
#undef WRITE_PIXEL_OPTIMIZED
#undef WRITE_PIXEL_OPTIMIZED_555
#undef WRITE_PIXEL_OPTIMIZED_565
}
else
{
// Colorized version
int ca = theColor.mAlpha;
int cr = theColor.mRed + 1;
int cg = theColor.mGreen + 1;
int cb = theColor.mBlue + 1;
#define DEST_PIXEL_TYPE ushort
#define WRITE_PIXEL\
{\
ushort dest = *aDestPixels;\
a1 = (a1*ca)>>8; a2 = (a2*ca)>>8; a3 = (a3*ca)>>8; a4 = (a4*ca)>>8; \
int oma = 256 - (a1 + a2 + a3 + a4); \
*(aDestPixels++) = \
( ((((dest & aBMask) * oma) >> 8) & aBMask) + \
(((( (((src1 & 0x0000FF) * a1) + \
((src2 & 0x0000FF) * a2) + \
((src3 & 0x0000FF) * a3) + \
((src4 & 0x0000FF) * a4)) >> 8) * cb) >> aBlueRightShift) << aBlueShift) ) | \
( ((((dest & aGMask) * oma) >> 8) & aGMask) + \
(((( (((src1 & 0x00FF00) * a1) + \
((src2 & 0x00FF00) * a2) + \
((src3 & 0x00FF00) * a3) + \
((src4 & 0x00FF00) * a4)) >> 8) * cg) >> aGreenRightShift) << aGreenShift) ) | \
( ((((dest & aRMask) * oma) >> 8) & aRMask) + \
(((( (((src1 & 0xFF0000) * a1) + \
((src2 & 0xFF0000) * a2) + \
((src3 & 0xFF0000) * a3) + \
((src4 & 0xFF0000) * a4)) >> 8) * cr) >> aRedRightShift) << aRedShift) ); \
}
#include "BltRotatedHelper.inc"
#undef WRITE_PIXEL
#undef DEST_PIXEL_TYPE
}
}
else if (mLockedSurfaceDesc.ddpfPixelFormat.dwRGBBitCount == 32)
{
ulong* aDestPixelsRow = ((ulong*) mLockedSurfaceDesc.lpSurface) + ((int)aDestRect.mY * mLockedSurfaceDesc.lPitch/4) + (int)aDestRect.mX;
int aDestPixelsPitch = mLockedSurfaceDesc.lPitch/4;
if (theColor == Color::White)
{
#define DEST_PIXEL_TYPE ulong
#define WRITE_PIXEL\
{\
ulong dest = *aDestPixels;\
int oma = 256 - (a1 + a2 + a3 + a4);\
*(aDestPixels++) = \
(((((dest & aBMask) * oma) >> 8) & aBMask) + \
(((((src1 & 0x0000FF) * a1) + \
((src2 & 0x0000FF) * a2) + \
((src3 & 0x0000FF) * a3) + \
((src4 & 0x0000FF) * a4)) >> aBlueRightShift) << aBlueShift)) | \
(((((dest & aGMask) * oma) >> 8) & aGMask) + \
(((((src1 & 0x00FF00) * a1) + \
((src2 & 0x00FF00) * a2) + \
((src3 & 0x00FF00) * a3) + \
((src4 & 0x00FF00) * a4)) >> aGreenRightShift) << aGreenShift)) | \
(((((dest & aRMask) * oma) >> 8) & aRMask) + \
(((((src1 & 0xFF0000) * a1) + \
((src2 & 0xFF0000) * a2) + \
((src3 & 0xFF0000) * a3) + \
((src4 & 0xFF0000) * a4)) >> aRedRightShift) << aRedShift));\
}
#define WRITE_PIXEL_OPTIMIZED\
{\
ulong dest = *aDestPixels;\
int oma = 256 - (a1 + a2 + a3 + a4);\
ulong src_b = ((src1 & 0xFF00FF) * a1 + (src2 & 0xFF00FF) * a2 + (src3 & 0xFF00FF) * a3 + (src4 & 0xFF00FF) * a4) & 0xFF00FF00;\
ulong src_b2 = ((src1 & 0xFF00) * a1 + (src2 & 0xFF00) * a2 + (src3 & 0xFF00) * a3 + (src4 & 0xFF00) * a4) & 0xFF0000;\
*(aDestPixels++) =\
((((dest & 0xFF00FF) * oma + src_b) >> 8) & 0xFF00FF) |\
((((dest & 0x00FF00) * oma + src_b2) >> 8) & 0x00FF00);\
}
#include "BltRotatedHelper.inc"
#undef WRITE_PIXEL
#undef WRITE_PIXEL_OPTIMIZED
#undef DEST_PIXEL_TYPE
}
else
{
// Colorized version
int ca = theColor.mAlpha;
int cr = theColor.mRed + 1;
int cg = theColor.mGreen + 1;
int cb = theColor.mBlue + 1;
#define DEST_PIXEL_TYPE ulong
#define WRITE_PIXEL\
{\
ulong dest = *aDestPixels;\
a1 = (a1*ca)>>8; a2 = (a2*ca)>>8; a3 = (a3*ca)>>8; a4 = (a4*ca)>>8; \
int oma = 256 - (a1 + a2 + a3 + a4);\
*(aDestPixels++) = \
( ((((dest & aBMask) * oma) >> 8) & aBMask) + \
(((( (((src1 & 0x0000FF) * a1) + \
((src2 & 0x0000FF) * a2) + \
((src3 & 0x0000FF) * a3) + \
((src4 & 0x0000FF) * a4)) >> 8) * cb) >> aBlueRightShift) << aBlueShift) ) | \
( ((((dest & aGMask) * oma) >> 8) & aGMask) + \
(((( (((src1 & 0x00FF00) * a1) + \
((src2 & 0x00FF00) * a2) + \
((src3 & 0x00FF00) * a3) + \
((src4 & 0x00FF00) * a4)) >> 8) * cg) >> aGreenRightShift) << aGreenShift) ) | \
( ((((dest & aRMask) * oma) >> 8) & aRMask) + \
(((( (((src1 & 0xFF0000) * a1) + \
((src2 & 0xFF0000) * a2) + \
((src3 & 0xFF0000) * a3) + \
((src4 & 0xFF0000) * a4)) >> 8) * cr) >> aRedRightShift) << aRedShift) );\
}
#include "BltRotatedHelper.inc"
#undef WRITE_PIXEL
#undef DEST_PIXEL_TYPE
}
}
UnlockSurface();
}
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