902 lines
18 KiB
C
902 lines
18 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Client
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* GDI 8bpp Internal Buffer Routines
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*
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* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <freerdp/api.h>
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#include <freerdp/freerdp.h>
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#include <freerdp/gdi/gdi.h>
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#include <freerdp/codec/color.h>
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#include <freerdp/gdi/pen.h>
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#include <freerdp/gdi/bitmap.h>
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#include <freerdp/gdi/region.h>
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#include <freerdp/gdi/clipping.h>
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#include <freerdp/gdi/drawing.h>
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#include <freerdp/gdi/8bpp.h>
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int FillRect_8bpp(HGDI_DC hdc, HGDI_RECT rect, HGDI_BRUSH hbr)
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{
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/* TODO: Implement 8bpp FillRect() */
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return 0;
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}
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static int BitBlt_BLACKNESS_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int y;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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memset(dstp, 0, nWidth * hdcDest->bytesPerPixel);
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}
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return 0;
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}
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static int BitBlt_WHITENESS_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int y;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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memset(dstp, 0xFF, nWidth * hdcDest->bytesPerPixel);
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}
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return 0;
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}
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static int BitBlt_SRCCOPY_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int y;
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uint8* srcp;
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uint8* dstp;
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if ((hdcDest->selectedObject != hdcSrc->selectedObject) ||
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gdi_CopyOverlap(nXDest, nYDest, nWidth, nHeight, nXSrc, nYSrc) == 0)
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{
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (srcp != 0 && dstp != 0)
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memcpy(dstp, srcp, nWidth * hdcDest->bytesPerPixel);
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}
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return 0;
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}
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if (nYSrc < nYDest)
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{
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/* copy down (bottom to top) */
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for (y = nHeight - 1; y >= 0; y--)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (srcp != 0 && dstp != 0)
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memmove(dstp, srcp, nWidth * hdcDest->bytesPerPixel);
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}
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}
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else if (nYSrc > nYDest || nXSrc > nXDest)
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{
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/* copy up or left (top top bottom) */
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (srcp != 0 && dstp != 0)
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memmove(dstp, srcp, nWidth * hdcDest->bytesPerPixel);
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}
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}
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else
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{
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/* copy straight right */
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (srcp != 0 && dstp != 0)
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memmove(dstp, srcp, nWidth * hdcDest->bytesPerPixel);
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}
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}
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return 0;
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}
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static int BitBlt_NOTSRCCOPY_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = ~(*srcp);
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_DSTINVERT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int x, y;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = ~(*dstp);
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_SRCERASE_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = *srcp & ~(*dstp);
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_NOTSRCERASE_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = ~(*srcp) & ~(*dstp);
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_SRCINVERT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp ^= *srcp;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_SRCAND_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp &= *srcp;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_SRCPAINT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp |= *srcp;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_DSPDxax_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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/* TODO: Implement 8bpp DSPDxax BitBlt */
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return 0;
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}
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static int BitBlt_SPna_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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uint8* patp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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patp = gdi_get_brush_pointer(hdcDest, x, y);
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*dstp = *srcp & ~(*patp);
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patp++;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_PDxn_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int x, y;
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uint8* dstp;
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uint8* patp;
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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patp = gdi_get_brush_pointer(hdcDest, x, y);
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*dstp = *dstp ^ ~(*patp);
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patp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_DSna_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = ~(*srcp) & (*dstp);
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_MERGECOPY_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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uint8* patp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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patp = gdi_get_brush_pointer(hdcDest, x, y);
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*dstp = *srcp & *patp;
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patp++;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_MERGEPAINT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
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{
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int x, y;
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uint8* srcp;
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uint8* dstp;
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for (y = 0; y < nHeight; y++)
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{
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srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = ~(*srcp) | *dstp;
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srcp++;
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dstp++;
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}
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}
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}
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return 0;
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}
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static int BitBlt_PATCOPY_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int x, y;
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uint8* dstp;
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uint8* patp;
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uint8 palIndex;
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if(hdcDest->brush->style == GDI_BS_SOLID)
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{
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palIndex = ((hdcDest->brush->color >> 16) & 0xFF);
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp = palIndex;
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dstp++;
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}
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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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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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patp = gdi_get_brush_pointer(hdcDest, x, y);
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*dstp = *patp;
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patp++;
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dstp++;
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}
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}
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}
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}
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return 0;
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}
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static int BitBlt_PATINVERT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight)
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{
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int x, y;
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uint8* dstp;
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uint8* patp;
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uint8 palIndex;
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if(hdcDest->brush->style == GDI_BS_SOLID)
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{
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palIndex = ((hdcDest->brush->color >> 16) & 0xFF);
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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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*dstp ^= palIndex;
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dstp++;
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}
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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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for (y = 0; y < nHeight; y++)
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{
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dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
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if (dstp != 0)
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{
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for (x = 0; x < nWidth; x++)
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{
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patp = gdi_get_brush_pointer(hdcDest, x, y);
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|
|
*dstp = *patp ^ *dstp;
|
|
patp++;
|
|
dstp++;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int BitBlt_PATPAINT_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc)
|
|
{
|
|
int x, y;
|
|
uint8* srcp;
|
|
uint8* dstp;
|
|
uint8* patp;
|
|
|
|
for (y = 0; y < nHeight; y++)
|
|
{
|
|
srcp = gdi_get_bitmap_pointer(hdcSrc, nXSrc, nYSrc + y);
|
|
dstp = gdi_get_bitmap_pointer(hdcDest, nXDest, nYDest + y);
|
|
|
|
if (dstp != 0)
|
|
{
|
|
for (x = 0; x < nWidth; x++)
|
|
{
|
|
patp = gdi_get_brush_pointer(hdcDest, x, y);
|
|
|
|
*dstp = *dstp | (*patp | ~(*srcp));
|
|
patp++;
|
|
srcp++;
|
|
dstp++;
|
|
}
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
int BitBlt_8bpp(HGDI_DC hdcDest, int nXDest, int nYDest, int nWidth, int nHeight, HGDI_DC hdcSrc, int nXSrc, int nYSrc, int rop)
|
|
{
|
|
if (hdcSrc != NULL)
|
|
{
|
|
if (gdi_ClipCoords(hdcDest, &nXDest, &nYDest, &nWidth, &nHeight, &nXSrc, &nYSrc) == 0)
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
if (gdi_ClipCoords(hdcDest, &nXDest, &nYDest, &nWidth, &nHeight, NULL, NULL) == 0)
|
|
return 0;
|
|
}
|
|
|
|
gdi_InvalidateRegion(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
|
|
switch (rop)
|
|
{
|
|
case GDI_BLACKNESS:
|
|
return BitBlt_BLACKNESS_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_WHITENESS:
|
|
return BitBlt_WHITENESS_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_SRCCOPY:
|
|
return BitBlt_SRCCOPY_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_SPna:
|
|
return BitBlt_SPna_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_DSna:
|
|
return BitBlt_DSna_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_DSPDxax:
|
|
return BitBlt_DSPDxax_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_NOTSRCCOPY:
|
|
return BitBlt_NOTSRCCOPY_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_DSTINVERT:
|
|
return BitBlt_DSTINVERT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_SRCERASE:
|
|
return BitBlt_SRCERASE_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_NOTSRCERASE:
|
|
return BitBlt_NOTSRCERASE_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_SRCINVERT:
|
|
return BitBlt_SRCINVERT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_SRCAND:
|
|
return BitBlt_SRCAND_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_SRCPAINT:
|
|
return BitBlt_SRCPAINT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_MERGECOPY:
|
|
return BitBlt_MERGECOPY_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_MERGEPAINT:
|
|
return BitBlt_MERGEPAINT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
|
|
case GDI_PATCOPY:
|
|
return BitBlt_PATCOPY_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_PATINVERT:
|
|
return BitBlt_PATINVERT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_PATPAINT:
|
|
return BitBlt_PATPAINT_8bpp(hdcDest, nXDest, nYDest, nWidth, nHeight, hdcSrc, nXSrc, nYSrc);
|
|
break;
|
|
}
|
|
|
|
printf("BitBlt: unknown rop: 0x%08X\n", rop);
|
|
return 1;
|
|
}
|
|
|
|
int PatBlt_8bpp(HGDI_DC hdc, int nXLeft, int nYLeft, int nWidth, int nHeight, int rop)
|
|
{
|
|
if (gdi_ClipCoords(hdc, &nXLeft, &nYLeft, &nWidth, &nHeight, NULL, NULL) == 0)
|
|
return 0;
|
|
|
|
gdi_InvalidateRegion(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
|
|
switch (rop)
|
|
{
|
|
case GDI_PATCOPY:
|
|
return BitBlt_PATCOPY_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_PATINVERT:
|
|
return BitBlt_PATINVERT_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_DSTINVERT:
|
|
return BitBlt_DSTINVERT_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_BLACKNESS:
|
|
return BitBlt_BLACKNESS_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_WHITENESS:
|
|
return BitBlt_WHITENESS_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
case GDI_PDxn:
|
|
return BitBlt_PDxn_8bpp(hdc, nXLeft, nYLeft, nWidth, nHeight);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
printf("PatBlt: unknown rop: 0x%08X\n", rop);
|
|
return 1;
|
|
}
|
|
|
|
INLINE void SetPixel_BLACK_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = 0 */
|
|
*pixel = 0;
|
|
}
|
|
|
|
INLINE void SetPixel_NOTMERGEPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = ~(D | P) */
|
|
*pixel = ~(*pixel | *pen);
|
|
}
|
|
|
|
INLINE void SetPixel_MASKNOTPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = D & ~P */
|
|
*pixel &= ~(*pen);
|
|
}
|
|
|
|
INLINE void SetPixel_NOTCOPYPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = ~P */
|
|
*pixel = ~(*pen);
|
|
}
|
|
|
|
INLINE void SetPixel_MASKPENNOT_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = P & ~D */
|
|
*pixel = *pen & ~*pixel;
|
|
}
|
|
|
|
INLINE void SetPixel_NOT_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = ~D */
|
|
*pixel = ~(*pixel);
|
|
}
|
|
|
|
INLINE void SetPixel_XORPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = D ^ P */
|
|
*pixel = *pixel ^ *pen;
|
|
}
|
|
|
|
INLINE void SetPixel_NOTMASKPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = ~(D & P) */
|
|
*pixel = ~(*pixel & *pen);
|
|
}
|
|
|
|
INLINE void SetPixel_MASKPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = D & P */
|
|
*pixel &= *pen;
|
|
}
|
|
|
|
INLINE void SetPixel_NOTXORPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = ~(D ^ P) */
|
|
*pixel = ~(*pixel ^ *pen);
|
|
}
|
|
|
|
INLINE void SetPixel_NOP_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = D */
|
|
}
|
|
|
|
INLINE void SetPixel_MERGENOTPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = D | ~P */
|
|
*pixel |= ~(*pen);
|
|
}
|
|
|
|
INLINE void SetPixel_COPYPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = P */
|
|
*pixel = *pen;
|
|
}
|
|
|
|
INLINE void SetPixel_MERGEPENNOT_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = P | ~D */
|
|
*pixel = *pen | ~(*pixel);
|
|
}
|
|
|
|
INLINE void SetPixel_MERGEPEN_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = P | D */
|
|
*pixel |= *pen;
|
|
}
|
|
|
|
INLINE void SetPixel_WHITE_8bpp(uint8* pixel, uint8* pen)
|
|
{
|
|
/* D = 1 */
|
|
*pixel = 0xFF;
|
|
}
|
|
|
|
pSetPixel8_ROP2 SetPixel8_ROP2_[16] =
|
|
{
|
|
SetPixel_BLACK_8bpp,
|
|
SetPixel_NOTMERGEPEN_8bpp,
|
|
SetPixel_MASKNOTPEN_8bpp,
|
|
SetPixel_NOTCOPYPEN_8bpp,
|
|
SetPixel_MASKPENNOT_8bpp,
|
|
SetPixel_NOT_8bpp,
|
|
SetPixel_XORPEN_8bpp,
|
|
SetPixel_NOTMASKPEN_8bpp,
|
|
SetPixel_MASKPEN_8bpp,
|
|
SetPixel_NOTXORPEN_8bpp,
|
|
SetPixel_NOP_8bpp,
|
|
SetPixel_MERGENOTPEN_8bpp,
|
|
SetPixel_COPYPEN_8bpp,
|
|
SetPixel_MERGEPENNOT_8bpp,
|
|
SetPixel_MERGEPEN_8bpp,
|
|
SetPixel_WHITE_8bpp
|
|
};
|
|
|
|
int LineTo_8bpp(HGDI_DC hdc, int nXEnd, int nYEnd)
|
|
{
|
|
int x, y;
|
|
int x1, y1;
|
|
int x2, y2;
|
|
int e, e2;
|
|
int dx, dy;
|
|
int sx, sy;
|
|
HGDI_BITMAP bmp;
|
|
int bx1, by1;
|
|
int bx2, by2;
|
|
|
|
int irop2;
|
|
uint8 pen;
|
|
uint8* pixel;
|
|
|
|
x1 = hdc->pen->posX;
|
|
y1 = hdc->pen->posY;
|
|
x2 = nXEnd;
|
|
y2 = nYEnd;
|
|
|
|
dx = (x1 > x2) ? x1 - x2 : x2 - x1;
|
|
dy = (y1 > y2) ? y1 - y2 : y2 - y1;
|
|
|
|
sx = (x1 < x2) ? 1 : -1;
|
|
sy = (y1 < y2) ? 1 : -1;
|
|
|
|
e = dx - dy;
|
|
|
|
x = x1;
|
|
y = y1;
|
|
|
|
irop2 = gdi_GetROP2(hdc) - 1;
|
|
bmp = (HGDI_BITMAP) hdc->selectedObject;
|
|
|
|
if (hdc->clip->null)
|
|
{
|
|
bx1 = (x1 < x2) ? x1 : x2;
|
|
by1 = (y1 < y2) ? y1 : y2;
|
|
bx2 = (x1 > x2) ? x1 : x2;
|
|
by2 = (y1 > y2) ? y1 : y2;
|
|
}
|
|
else
|
|
{
|
|
bx1 = hdc->clip->x;
|
|
by1 = hdc->clip->y;
|
|
bx2 = bx1 + hdc->clip->w - 1;
|
|
by2 = by1 + hdc->clip->h - 1;
|
|
}
|
|
|
|
pen = gdi_GetPenColor_8bpp(hdc->pen);
|
|
|
|
while (1)
|
|
{
|
|
if (!(x == x2 && y == y2))
|
|
{
|
|
if ((x >= bx1 && x <= bx2) && (y >= by1 && y <= by2))
|
|
{
|
|
pixel = gdi_GetPointer_8bpp(bmp, x, y);
|
|
SetPixel8_ROP2_[irop2](pixel, &pen);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
|
|
e2 = 2 * e;
|
|
|
|
if (e2 > -dy)
|
|
{
|
|
e -= dy;
|
|
x += sx;
|
|
}
|
|
|
|
if (e2 < dx)
|
|
{
|
|
e += dx;
|
|
y += sy;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|