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138 lines
4.2 KiB
C
138 lines
4.2 KiB
C
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#if __USES_SOLID_BRUSH
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#undef __USES_PATTERN
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#define __USES_PATTERN 0
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#endif
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#define _DibFunction __DIB_FUNCTION_NAME(__FUNCTIONNAME, _SOURCE_BPP, _DEST_BPP)
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#define _ReadPixel(bpp, pj, jShift) __PASTE(_ReadPixel_, bpp)(pj, jShift)
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#define _WritePixel(pj, jShift, c) __PASTE(_WritePixel_, _DEST_BPP)(pj, jShift, c)
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#define _NextPixel(bpp, ppj, pjShift) __PASTE(_NextPixel_, bpp)(ppj, pjShift)
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#define _SHIFT(bpp, x) __PASTE(_SHIFT_, bpp)(x)
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#define _CALCSHIFT(bpp, pshift, x) __PASTE(_CALCSHIFT_, bpp)(pshift, x)
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#if (__PASTE(_DibFunction, _manual) != 1)
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VOID
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FASTCALL
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_DibFunction(PBLTDATA pBltData)
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{
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ULONG cRows, cLines, ulDest;
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PBYTE pjDest, pjDestBase;
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_SHIFT(_DEST_BPP, BYTE jDstShift;)
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#if __USES_MASK
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PBYTE pjMask, pjMaskBase;
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BYTE jMaskBit, jMskShift;
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#endif
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#if __USES_SOURCE
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PBYTE pjSource, pjSrcBase;
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ULONG ulSource;
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_SHIFT(_SOURCE_BPP, BYTE jSrcShift;)
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#endif
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#if __USES_PATTERN
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PBYTE pjPattern, pjPatBase;
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ULONG ulPattern, cPatRows, cPatLines;
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_SHIFT(_DEST_BPP, BYTE jPatShift;)
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#endif
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#if __USES_SOLID_BRUSH
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ULONG ulPattern = pBltData->ulSolidColor;
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#endif
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#if __USES_MASK
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pjMaskBase = pBltData->siMsk.pjBase;
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#endif
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#if __USES_PATTERN
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pjPatBase = pBltData->siPat.pjBase;
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pjPatBase += pBltData->siPat.ptOrig.y * pBltData->siPat.lDelta;
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cPatLines = pBltData->ulPatHeight - pBltData->siPat.ptOrig.y;
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#endif
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pjDestBase = pBltData->siDst.pjBase;
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#if __USES_SOURCE
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pjSrcBase = pBltData->siSrc.pjBase;
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#endif
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/* Loop all lines */
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cLines = pBltData->ulHeight;
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while (cLines--)
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{
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/* Set current bit pointers and shifts */
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pjDest = pjDestBase;
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_CALCSHIFT(_DEST_BPP, &jDstShift, pBltData->siDst.ptOrig.x);
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#if __USES_SOURCE
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pjSource = pjSrcBase;
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_CALCSHIFT(_SOURCE_BPP, &jSrcShift, pBltData->siSrc.ptOrig.x);
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#endif
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#if __USES_MASK
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pjMask = pjMaskBase;
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_CALCSHIFT_1(&jMskShift, pBltData->siMsk.ptOrig.x);
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#endif
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#if __USES_PATTERN
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pjPattern = pjPatBase + pBltData->siPat.ptOrig.x * _DEST_BPP / 8;
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_CALCSHIFT(_DEST_BPP, &jPatShift, pBltData->siPat.ptOrig.x);
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cPatRows = pBltData->ulPatWidth - pBltData->siPat.ptOrig.x;
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#endif
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/* Loop all rows */
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cRows = pBltData->ulWidth;
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while (cRows--)
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{
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#if __USES_MASK
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/* Read the mask color and go to the next mask pixel */
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jMaskBit = _ReadPixel_1(pjMask, jMskShift);
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_NextPixel(1, &pjMask, &jMskShift);
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#endif
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#if __USES_PATTERN
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/* Read the pattern color and go to the next pattern pixel */
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ulPattern = _ReadPixel(_DEST_BPP, pjPattern, jPatShift);
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_NextPixel(_DEST_BPP, &pjPattern, &jPatShift);
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/* Check if this was the last pixel in the pattern */
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if (--cPatRows == 0)
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{
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/* Restart pattern from x = 0 */
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pjPattern = pjPatBase;
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_SHIFT(_DEST_BPP, jPatShift = (_DEST_BPP == 1) ? 7 : 4;)
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cPatRows = pBltData->ulPatWidth;
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}
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#endif
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#if __USES_SOURCE
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/* Read the pattern color, xlate it and go to the next pixel */
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ulSource = _ReadPixel(_SOURCE_BPP, pjSource, jSrcShift);
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ulSource = _DibXlate(pBltData, ulSource);
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_NextPixel(_SOURCE_BPP, &pjSource, &jSrcShift);
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#endif
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#if __USES_DEST
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ulDest = _ReadPixel(_DEST_BPP, pjDest, jDstShift);
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#endif
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/* Apply the ROP operation on the colors */
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ulDest = _DibDoRop(pBltData, jMaskBit, ulDest, ulSource, ulPattern);
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/* Write the pixel and go to the next dest pixel */
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_WritePixel(pjDest, jDstShift, ulDest);
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_NextPixel(_DEST_BPP, &pjDest, &jDstShift);
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}
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pjDestBase += pBltData->siDst.cjAdvanceY;
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#if __USES_SOURCE
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pjSrcBase += pBltData->siSrc.cjAdvanceY;
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#endif
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#if __USES_PATTERN
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/* Go to the next pattern line */
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pjPatBase += pBltData->siPat.cjAdvanceY;
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/* Check if this was the last line in the pattern */
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if (--cPatLines == 0)
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{
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/* Restart pattern from y = 0 */
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pjPatBase = pBltData->siPat.pjBase;
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cPatLines = pBltData->ulPatHeight;
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}
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#endif
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}
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}
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#endif // manual
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#undef _DibFunction
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#undef __FUNCTIONNAME2
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