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https://github.com/reactos/reactos.git
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373 lines
11 KiB
C
373 lines
11 KiB
C
/*
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* ReactOS W32 Subsystem
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* $Id: dib24bpp.c,v 1.19 2004/04/06 17:54:32 weiden Exp $ */
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#undef WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <stdlib.h>
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#include <win32k/bitmaps.h>
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#include <win32k/brush.h>
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#include <win32k/debug.h>
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#include <debug.h>
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#include <include/object.h>
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#include <ddk/winddi.h>
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#include "../eng/objects.h"
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#include "dib.h"
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VOID
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DIB_24BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
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{
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PBYTE addr = SurfObj->pvScan0 + (y * SurfObj->lDelta) + (x << 1) + x;
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*(PUSHORT)(addr) = c & 0xFFFF;
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*(addr + 2) = (c >> 16) & 0xFF;
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}
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ULONG
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DIB_24BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
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{
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PBYTE addr = SurfObj->pvScan0 + y * SurfObj->lDelta + (x << 1) + x;
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return *(PUSHORT)(addr) + (*(addr + 2) << 16);
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}
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VOID
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DIB_24BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
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{
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PBYTE addr = SurfObj->pvScan0 + y * SurfObj->lDelta + (x1 << 1) + x1;
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LONG cx = x1;
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c &= 0xFFFFFF;
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while(cx < x2) {
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*(PUSHORT)(addr) = c & 0xFFFF;
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addr += 2;
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*(addr) = c >> 16;
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addr += 1;
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++cx;
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}
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}
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VOID
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DIB_24BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
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{
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PBYTE addr = SurfObj->pvScan0 + y1 * SurfObj->lDelta + (x << 1) + x;
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LONG lDelta = SurfObj->lDelta;
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c &= 0xFFFFFF;
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while(y1++ < y2) {
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*(PUSHORT)(addr) = c & 0xFFFF;
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*(addr + 2) = c >> 16;
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addr += lDelta;
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}
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}
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BOOLEAN
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DIB_24BPP_BitBltSrcCopy( SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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SURFGDI *DestGDI, SURFGDI *SourceGDI,
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PRECTL DestRect, POINTL *SourcePoint,
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XLATEOBJ *ColorTranslation)
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{
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LONG i, j, sx, sy, xColor, f1;
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PBYTE SourceBits, DestBits, SourceLine, DestLine;
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PBYTE SourceBits_4BPP, SourceLine_4BPP;
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PWORD SourceBits_16BPP, SourceLine_16BPP;
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DestBits = DestSurf->pvScan0 + (DestRect->top * DestSurf->lDelta) + DestRect->left * 3;
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switch(SourceGDI->BitsPerPixel)
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{
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case 1:
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sx = SourcePoint->x;
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sy = SourcePoint->y;
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for (j=DestRect->top; j<DestRect->bottom; j++)
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{
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sx = SourcePoint->x;
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for (i=DestRect->left; i<DestRect->right; i++)
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{
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if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
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{
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DIB_24BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
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} else {
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DIB_24BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
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}
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sx++;
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}
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sy++;
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}
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break;
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case 4:
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SourceBits_4BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + (SourcePoint->x >> 1);
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for (j=DestRect->top; j<DestRect->bottom; j++)
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{
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SourceLine_4BPP = SourceBits_4BPP;
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DestLine = DestBits;
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sx = SourcePoint->x;
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f1 = sx & 1;
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for (i=DestRect->left; i<DestRect->right; i++)
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{
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xColor = XLATEOBJ_iXlate(ColorTranslation,
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(*SourceLine_4BPP & altnotmask[f1]) >> (4 * (1 - f1)));
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*DestLine++ = xColor & 0xff;
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*(PWORD)DestLine = xColor >> 8;
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DestLine += 2;
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if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
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sx++;
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}
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SourceBits_4BPP += SourceSurf->lDelta;
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DestBits += DestSurf->lDelta;
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}
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break;
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case 8:
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SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
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DestLine = DestBits;
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for (j = DestRect->top; j < DestRect->bottom; j++)
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{
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SourceBits = SourceLine;
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DestBits = DestLine;
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for (i = DestRect->left; i < DestRect->right; i++)
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{
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xColor = XLATEOBJ_iXlate(ColorTranslation, *SourceBits);
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*DestBits = xColor & 0xff;
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*(PWORD)(DestBits + 1) = xColor >> 8;
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SourceBits += 1;
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DestBits += 3;
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}
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SourceLine += SourceSurf->lDelta;
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DestLine += DestSurf->lDelta;
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}
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break;
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case 16:
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SourceBits_16BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
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for (j=DestRect->top; j<DestRect->bottom; j++)
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{
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SourceLine_16BPP = SourceBits_16BPP;
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DestLine = DestBits;
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for (i=DestRect->left; i<DestRect->right; i++)
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{
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xColor = XLATEOBJ_iXlate(ColorTranslation, *SourceLine_16BPP);
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*DestLine++ = xColor & 0xff;
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*(PWORD)DestLine = xColor >> 8;
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DestLine += 2;
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SourceLine_16BPP++;
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}
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SourceBits_16BPP = (PWORD)((PBYTE)SourceBits_16BPP + SourceSurf->lDelta);
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DestBits += DestSurf->lDelta;
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}
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break;
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case 24:
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if (NULL == ColorTranslation || 0 != (ColorTranslation->flXlate & XO_TRIVIAL))
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{
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if (DestRect->top < SourcePoint->y)
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{
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SourceBits = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 3 * SourcePoint->x;
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for (j = DestRect->top; j < DestRect->bottom; j++)
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{
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RtlMoveMemory(DestBits, SourceBits, 3 * (DestRect->right - DestRect->left));
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SourceBits += SourceSurf->lDelta;
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DestBits += DestSurf->lDelta;
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}
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}
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else
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{
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SourceBits = SourceSurf->pvScan0 + ((SourcePoint->y + DestRect->bottom - DestRect->top - 1) * SourceSurf->lDelta) + 3 * SourcePoint->x;
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DestBits = DestSurf->pvScan0 + ((DestRect->bottom - 1) * DestSurf->lDelta) + 3 * DestRect->left;
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for (j = DestRect->bottom - 1; DestRect->top <= j; j--)
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{
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RtlMoveMemory(DestBits, SourceBits, 3 * (DestRect->right - DestRect->left));
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SourceBits -= SourceSurf->lDelta;
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DestBits -= DestSurf->lDelta;
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}
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}
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}
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else
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{
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/* FIXME */
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DPRINT1("DIB_24BPP_Bitblt: Unhandled ColorTranslation for 16 -> 16 copy");
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return FALSE;
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}
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break;
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case 32:
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SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
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DestLine = DestBits;
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for (j = DestRect->top; j < DestRect->bottom; j++)
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{
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SourceBits = SourceLine;
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DestBits = DestLine;
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for (i = DestRect->left; i < DestRect->right; i++)
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{
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xColor = XLATEOBJ_iXlate(ColorTranslation, *((PDWORD) SourceBits));
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*DestBits = xColor & 0xff;
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*(PWORD)(DestBits + 1) = xColor >> 8;
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SourceBits += 4;
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DestBits += 3;
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}
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SourceLine += SourceSurf->lDelta;
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DestLine += DestSurf->lDelta;
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}
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break;
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default:
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DbgPrint("DIB_24BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
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return FALSE;
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}
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return TRUE;
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}
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BOOLEAN
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DIB_24BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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SURFGDI *DestGDI, SURFGDI *SourceGDI,
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PRECTL DestRect, POINTL *SourcePoint,
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PBRUSHOBJ Brush, PPOINTL BrushOrigin,
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XLATEOBJ *ColorTranslation, ULONG Rop4)
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{
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ULONG X, Y;
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ULONG SourceX, SourceY;
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ULONG Dest, Source, Pattern;
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PBYTE DestBits;
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BOOL UsesSource;
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BOOL UsesPattern;
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/* Pattern brushes */
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PGDIBRUSHOBJ GdiBrush;
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HBITMAP PatternSurface = NULL;
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PSURFOBJ PatternObj;
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ULONG PatternWidth, PatternHeight;
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if (Rop4 == SRCCOPY)
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{
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return DIB_24BPP_BitBltSrcCopy(
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DestSurf,
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SourceSurf,
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DestGDI,
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SourceGDI,
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DestRect,
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SourcePoint,
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ColorTranslation);
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}
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UsesSource = ((Rop4 & 0xCC0000) >> 2) != (Rop4 & 0x330000);
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UsesPattern = ((Rop4 & 0xF00000) >> 4) != (Rop4 & 0x0F0000);
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if (UsesPattern)
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{
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if (Brush == NULL)
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{
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UsesPattern = FALSE;
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} else
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if (Brush->iSolidColor == 0xFFFFFFFF)
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{
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PBITMAPOBJ PatternBitmap;
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GdiBrush = CONTAINING_RECORD(
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Brush,
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GDIBRUSHOBJ,
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BrushObject);
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PatternBitmap = BITMAPOBJ_LockBitmap(GdiBrush->hbmPattern);
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PatternSurface = BitmapToSurf(PatternBitmap, NULL);
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BITMAPOBJ_UnlockBitmap(GdiBrush->hbmPattern);
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PatternObj = (PSURFOBJ)AccessUserObject((ULONG)PatternSurface);
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PatternWidth = PatternObj->sizlBitmap.cx;
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PatternHeight = PatternObj->sizlBitmap.cy;
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}
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}
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SourceY = SourcePoint->y;
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DestBits = (PBYTE)(
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DestSurf->pvScan0 +
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(DestRect->left << 1) + DestRect->left +
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DestRect->top * DestSurf->lDelta);
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for (Y = DestRect->top; Y < DestRect->bottom; Y++)
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{
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SourceX = SourcePoint->x;
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for (X = DestRect->left; X < DestRect->right; X++, DestBits += 3, SourceX++)
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{
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Dest = *((PUSHORT)DestBits) + (*(DestBits + 2) << 16);
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if (UsesSource)
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{
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Source = DIB_GetSource(SourceSurf, SourceGDI, SourceX, SourceY, ColorTranslation);
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}
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if (UsesPattern)
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{
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if (Brush->iSolidColor == 0xFFFFFFFF)
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{
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Pattern = DIB_1BPP_GetPixel(PatternObj, X % PatternWidth, Y % PatternHeight) ? GdiBrush->crFore : GdiBrush->crBack;
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}
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else
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{
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Pattern = Brush->iSolidColor;
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}
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}
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Dest = DIB_DoRop(Rop4, Dest, Source, Pattern) & 0xFFFFFF;
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*(PUSHORT)(DestBits) = Dest & 0xFFFF;
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*(DestBits + 2) = Dest >> 16;
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}
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SourceY++;
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DestBits -= (DestRect->right - DestRect->left) * 3;
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DestBits += DestSurf->lDelta;
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}
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if (PatternSurface != NULL)
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EngDeleteSurface(PatternSurface);
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return TRUE;
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}
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BOOLEAN DIB_24BPP_StretchBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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SURFGDI *DestGDI, SURFGDI *SourceGDI,
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RECTL* DestRect, RECTL *SourceRect,
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POINTL* MaskOrigin, POINTL* BrushOrigin,
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XLATEOBJ *ColorTranslation, ULONG Mode)
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{
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DbgPrint("DIB_24BPP_StretchBlt: Source BPP: %u\n", SourceGDI->BitsPerPixel);
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return FALSE;
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}
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BOOLEAN
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DIB_24BPP_TransparentBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
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PSURFGDI DestGDI, PSURFGDI SourceGDI,
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RECTL* DestRect, POINTL *SourcePoint,
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XLATEOBJ *ColorTranslation, ULONG iTransColor)
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{
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return FALSE;
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}
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/* EOF */
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