+++ /dev/null
-/*
- * PROJECT: Win32 subsystem
- * LICENSE: See COPYING in the top level directory
- * FILE: win32ss/gdi/dib/dib1bpp.c
- * PURPOSE: Device Independant Bitmap functions, 1bpp
- * PROGRAMMERS: Jason Filby
- */
-
-#include <win32k.h>
-
-#define NDEBUG
-#include <debug.h>
-
-VOID
-DIB_1BPP_PutPixel(SURFOBJ *SurfObj, LONG x, LONG y, ULONG c)
-{
- PBYTE addr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta + (x >> 3);
-
- if (0 == (c & 0x01))
- *addr &= ~MASK1BPP(x);
- else
- *addr |= MASK1BPP(x);
-}
-
-ULONG
-DIB_1BPP_GetPixel(SURFOBJ *SurfObj, LONG x, LONG y)
-{
- PBYTE addr = (PBYTE)SurfObj->pvScan0 + y * SurfObj->lDelta + (x >> 3);
-
- return (*addr & MASK1BPP(x) ? 1 : 0);
-}
-
-VOID
-DIB_1BPP_HLine(SURFOBJ *SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
-{
- while(x1 < x2)
- {
- DIB_1BPP_PutPixel(SurfObj, x1, y, c);
- x1++;
- }
-}
-
-VOID
-DIB_1BPP_VLine(SURFOBJ *SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
-{
- while(y1 < y2)
- {
- DIB_1BPP_PutPixel(SurfObj, x, y1, c);
- y1++;
- }
-}
-
-static
-void
-DIB_1BPP_BitBltSrcCopy_From1BPP (
- SURFOBJ* DestSurf,
- SURFOBJ* SourceSurf,
- XLATEOBJ* pxlo,
- PRECTL DestRect,
- POINTL *SourcePoint )
-{
- // The 'window' in this sense is the x-position that corresponds
- // to the left-edge of the 8-pixel byte we are currently working with.
- // dwx is current x-window, dwx2 is the 'last' window we need to process.
- int dwx, dwx2; // Destination window x-position
- int swx; // Source window y-position
-
- // Left and right edges of source and dest rectangles
- int dl = DestRect->left; // dest left
- int dr = DestRect->right-1; // dest right (inclusive)
- int sl = SourcePoint->x; // source left
- int sr = sl + dr - dl; // source right (inclusive)
-
- // Which direction are we going?
- int xinc;
- int yinc;
- int ySrcDelta, yDstDelta;
-
- // The following 4 variables are used for the y-sweep
- int dy; // dest y
- int dy1; // dest y start
- int dy2; // dest y end
- int sy1; // src y start
-
- int shift;
- BYTE srcmask, dstmask, xormask;
-
- // 'd' and 's' are the dest & src buffer pointers that I use on my x-sweep
- // 'pd' and 'ps' are the dest & src buffer pointers used on the inner y-sweep
- PBYTE d, pd; // dest ptrs
- PBYTE s, ps; // src ptrs
-
- shift = (dl-sl)&7;
-
- xormask = 0xFF * (BYTE)XLATEOBJ_iXlate(pxlo, 0);
-
- if ( DestRect->top <= SourcePoint->y )
- {
- // Moving up (scan top -> bottom)
- dy1 = DestRect->top;
- dy2 = DestRect->bottom - 1;
- sy1 = SourcePoint->y;
- yinc = 1;
- ySrcDelta = SourceSurf->lDelta;
- yDstDelta = DestSurf->lDelta;
- }
- else
- {
- // Moving down (scan bottom -> top)
- dy1 = DestRect->bottom - 1;
- dy2 = DestRect->top;
- sy1 = SourcePoint->y + dy1 - dy2;
- yinc = -1;
- ySrcDelta = -SourceSurf->lDelta;
- yDstDelta = -DestSurf->lDelta;
- }
- if ( DestRect->left <= SourcePoint->x )
- {
- // Moving left (scan left->right)
- dwx = dl&~7;
- swx = (sl-(dl&7))&~7;
- dwx2 = dr&~7;
- xinc = 1;
- }
- else
- {
- // Moving right (scan right->left)
- dwx = dr & ~7;
- swx = (sr - (dr & 7)) & ~7; // (sr - 7) & ~7; // We need the left edge of this block. Thus the -7
- dwx2 = dl & ~7;
- xinc = -1;
- }
- d = &(((PBYTE)DestSurf->pvScan0)[dy1*DestSurf->lDelta + (dwx>>3)]);
- s = &(((PBYTE)SourceSurf->pvScan0)[sy1*SourceSurf->lDelta + (swx>>3)]);
- for ( ;; )
- {
- dy = dy1;
- pd = d;
- ps = s;
- srcmask = 0xff;
- if ( dwx < dl )
- {
- int diff = dl-dwx;
- srcmask &= (1<<(8-diff))-1;
- }
- if ( dwx+7 > dr )
- {
- int diff = dr-dwx+1;
- srcmask &= ~((1<<(8-diff))-1);
- }
- dstmask = ~srcmask;
-
- // We unfortunately *must* have 5 different versions of the inner
- // loop to be certain we don't try to read from memory that is not
- // needed and may in fact be invalid.
- if ( !shift )
- {
- for ( ;; )
- {
- *pd = (BYTE)((*pd & dstmask) | ((ps[0]^xormask) & srcmask));
-
- // This *must* be here, because we could be going up *or* down...
- if ( dy == dy2 )
- break;
- dy += yinc;
- pd += yDstDelta;
- ps += ySrcDelta;
- }
- }
- else if ( !(0xFF00 & (srcmask<<shift) ) ) // Check if ps[0] not needed...
- {
- for ( ;; )
- {
- *pd = (BYTE)((*pd & dstmask)
- | ( ( (ps[1]^xormask) >> shift ) & srcmask ));
-
- // This *must* be here, because we could be going up *or* down...
- if ( dy == dy2 )
- break;
- dy += yinc;
- pd += yDstDelta;
- ps += ySrcDelta;
- }
- }
- else if ( !(0xFF & (srcmask<<shift) ) ) // Check if ps[1] not needed...
- {
- for ( ;; )
- {
- *pd = (*pd & dstmask)
- | ( ( (ps[0]^xormask) << ( 8 - shift ) ) & srcmask );
-
- // This *must* be here, because we could be going up *or* down...
- if ( dy == dy2 )
- break;
- dy += yinc;
- pd += yDstDelta;
- ps += ySrcDelta;
- }
- }
- else // Both ps[0] and ps[1] are needed
- {
- for ( ;; )
- {
- *pd = (*pd & dstmask)
- | ( ( ( ((ps[1]^xormask))|((ps[0]^xormask)<<8) ) >> shift ) & srcmask );
-
- // This *must* be here, because we could be going up *or* down...
- if ( dy == dy2 )
- break;
- dy += yinc;
- pd += yDstDelta;
- ps += ySrcDelta;
- }
- }
-
- // This *must* be here, because we could be going right *or* left...
- if ( dwx == dwx2 )
- break;
- d += xinc;
- s += xinc;
- dwx += xinc<<3;
- swx += xinc<<3;
- }
-}
-
-BOOLEAN
-DIB_1BPP_BitBltSrcCopy(PBLTINFO BltInfo)
-{
- ULONG Color;
- LONG i, j, sx, sy = BltInfo->SourcePoint.y;
-
- switch ( BltInfo->SourceSurface->iBitmapFormat )
- {
- case BMF_1BPP:
- DIB_1BPP_BitBltSrcCopy_From1BPP ( BltInfo->DestSurface, BltInfo->SourceSurface, BltInfo->XlateSourceToDest, &BltInfo->DestRect, &BltInfo->SourcePoint );
- break;
-
- case BMF_4BPP:
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
- {
- Color = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_4BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
- DIB_1BPP_PutPixel(BltInfo->DestSurface, i, j, Color);
- sx++;
- }
- sy++;
- }
- break;
-
- case BMF_8BPP:
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
- {
- Color = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_8BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
- DIB_1BPP_PutPixel(BltInfo->DestSurface, i, j, Color);
- sx++;
- }
- sy++;
- }
- break;
-
- case BMF_16BPP:
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
- {
- Color = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_16BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
- DIB_1BPP_PutPixel(BltInfo->DestSurface, i, j, Color);
- sx++;
- }
- sy++;
- }
- break;
-
- case BMF_24BPP:
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
- {
- Color = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_24BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
- DIB_1BPP_PutPixel(BltInfo->DestSurface, i, j, Color);
- sx++;
- }
- sy++;
- }
- break;
-
- case BMF_32BPP:
- for (j=BltInfo->DestRect.top; j<BltInfo->DestRect.bottom; j++)
- {
- sx = BltInfo->SourcePoint.x;
- for (i=BltInfo->DestRect.left; i<BltInfo->DestRect.right; i++)
- {
- Color = XLATEOBJ_iXlate(BltInfo->XlateSourceToDest, DIB_32BPP_GetPixel(BltInfo->SourceSurface, sx, sy));
- DIB_1BPP_PutPixel(BltInfo->DestSurface, i, j, Color);
- sx++;
- }
- sy++;
- }
- break;
-
- default:
- DbgPrint("DIB_1BPP_BitBlt: Unhandled Source BPP: %u\n", BitsPerFormat(BltInfo->SourceSurface->iBitmapFormat));
- return FALSE;
- }
-
- return TRUE;
-}
-
-#ifndef _USE_DIBLIB_
-BOOLEAN
-DIB_1BPP_BitBlt(PBLTINFO BltInfo)
-{
- LONG DestX, DestY;
- LONG SourceX, SourceY;
- LONG PatternY = 0;
- ULONG Dest, Source = 0, Pattern = 0;
- ULONG Index;
- BOOLEAN UsesSource;
- BOOLEAN UsesPattern;
- PULONG DestBits;
- LONG RoundedRight;
-
- UsesSource = ROP4_USES_SOURCE(BltInfo->Rop4);
- UsesPattern = ROP4_USES_PATTERN(BltInfo->Rop4);
-
- RoundedRight = BltInfo->DestRect.right -
- ((BltInfo->DestRect.right - BltInfo->DestRect.left) & 31);
- SourceY = BltInfo->SourcePoint.y;
-
- if (UsesPattern)
- {
- if (BltInfo->PatternSurface)
- {
- PatternY = (BltInfo->DestRect.top + BltInfo->BrushOrigin.y) %
- BltInfo->PatternSurface->sizlBitmap.cy;
- }
- else
- {
- /* FIXME: Shouldn't it be expanded? */
- if (BltInfo->Brush)
- Pattern = BltInfo->Brush->iSolidColor;
- }
- }
-
- for (DestY = BltInfo->DestRect.top; DestY < BltInfo->DestRect.bottom; DestY++)
- {
- DestX = BltInfo->DestRect.left;
- SourceX = BltInfo->SourcePoint.x;
- DestBits = (PULONG)(
- (PBYTE)BltInfo->DestSurface->pvScan0 +
- (BltInfo->DestRect.left >> 3) +
- DestY * BltInfo->DestSurface->lDelta);
-
- if (DestX & 31)
- {
-#if 0
- /* FIXME: This case is completely untested!!! */
-
- Dest = *((PBYTE)DestBits);
- NoBits = 31 - (DestX & 31);
-
- if (UsesSource)
- {
- Source = 0;
- /* FIXME: This is incorrect! */
- for (Index = 31 - NoBits; Index >= 0; Index++)
- Source |= (DIB_GetSource(SourceSurf, SourceX + Index, SourceY, ColorTranslation) << (31 - Index));
- }
-
- if (BltInfo->PatternSurface)
- {
- Pattern = 0;
- for (k = 31 - NoBits; k >= 0; k++)
- Pattern |= (DIB_GetSourceIndex(PatternObj, (X + BrushOrigin.x + k) % PatternWidth, PatternY) << (31 - k));
- }
-
- Dest = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
- Dest &= ~((1 << (31 - NoBits)) - 1);
- Dest |= *((PBYTE)DestBits) & ((1 << (31 - NoBits)) - 1);
-
- *DestBits = Dest;
-
- DestX += NoBits;
- SourceX += NoBits;
-#endif
- }
-
- for (; DestX < RoundedRight; DestX += 32, DestBits++, SourceX += 32)
- {
- Dest = *DestBits;
-
- if (UsesSource)
- {
- Source = 0;
- for (Index = 0; Index < 8; Index++)
- {
- Source |= DIB_GetSource(BltInfo->SourceSurface, SourceX + Index, SourceY, BltInfo->XlateSourceToDest) << (7 - Index);
- Source |= DIB_GetSource(BltInfo->SourceSurface, SourceX + Index + 8, SourceY, BltInfo->XlateSourceToDest) << (8 + (7 - Index));
- Source |= DIB_GetSource(BltInfo->SourceSurface, SourceX + Index + 16, SourceY, BltInfo->XlateSourceToDest) << (16 + (7 - Index));
- Source |= DIB_GetSource(BltInfo->SourceSurface, SourceX + Index + 24, SourceY, BltInfo->XlateSourceToDest) << (24 + (7 - Index));
- }
- }
-
- if (BltInfo->PatternSurface)
- {
- Pattern = 0;
- for (Index = 0; Index < 8; Index++)
- {
- Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + Index) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << (7 - Index);
- Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + Index + 8) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << (8 + (7 - Index));
- Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + Index + 16) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << (16 + (7 - Index));
- Pattern |= DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x + Index + 24) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY) << (24 + (7 - Index));
- }
- }
-
- *DestBits = DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern);
- }
-
- if (DestX < BltInfo->DestRect.right)
- {
- for (; DestX < BltInfo->DestRect.right; DestX++, SourceX++)
- {
- Dest = DIB_1BPP_GetPixel(BltInfo->DestSurface, DestX, DestY);
-
- if (UsesSource)
- {
- Source = DIB_GetSource(BltInfo->SourceSurface, SourceX, SourceY, BltInfo->XlateSourceToDest);
- }
-
- if (BltInfo->PatternSurface)
- {
- Pattern = DIB_GetSourceIndex(BltInfo->PatternSurface, (DestX + BltInfo->BrushOrigin.x) % BltInfo->PatternSurface->sizlBitmap.cx, PatternY);
- }
-
- DIB_1BPP_PutPixel(BltInfo->DestSurface, DestX, DestY, DIB_DoRop(BltInfo->Rop4, Dest, Source, Pattern) & 0xF);
- }
- }
-
- SourceY++;
- if (BltInfo->PatternSurface)
- {
- PatternY++;
- PatternY %= BltInfo->PatternSurface->sizlBitmap.cy;
- }
- }
-
- return TRUE;
-}
-
-/* BitBlt Optimize */
-BOOLEAN
-DIB_1BPP_ColorFill(SURFOBJ* DestSurface, RECTL* DestRect, ULONG color)
-{
- LONG DestY;
-
- for (DestY = DestRect->top; DestY< DestRect->bottom; DestY++)
- {
- DIB_1BPP_HLine(DestSurface, DestRect->left, DestRect->right, DestY, color);
- }
- return TRUE;
-}
-#endif // !_USE_DIBLIB_
-
-BOOLEAN
-DIB_1BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
- RECTL* DestRect, RECTL *SourceRect,
- XLATEOBJ *ColorTranslation, ULONG iTransColor)
-{
- return FALSE;
-}
-
-/* EOF */
projects / reactos.git / blobdiff