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https://github.com/reactos/wine.git
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469 lines
12 KiB
C
469 lines
12 KiB
C
/*
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* Copyright 2000 Bradley Baetz
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* FIXME: Some flags are ignored
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*
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* Handle palettes
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*/
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#include <string.h>
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#include "msvideo_private.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
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typedef struct tagWINE_HDD {
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HDC hdc;
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INT dxDst;
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INT dyDst;
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LPBITMAPINFOHEADER lpbi;
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INT dxSrc;
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INT dySrc;
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HPALETTE hpal; /* Palette to use for the DIB */
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BOOL begun; /* DrawDibBegin has been called */
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LPBITMAPINFOHEADER lpbiOut; /* Output format */
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HIC hic; /* HIC for decompression */
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HDC hMemDC; /* DC for buffering */
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HBITMAP hOldDib; /* Original Dib */
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HBITMAP hDib; /* DibSection */
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LPVOID lpvbits; /* Buffer for holding decompressed dib */
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HDRAWDIB hSelf;
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struct tagWINE_HDD* next;
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} WINE_HDD;
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int num_colours(LPBITMAPINFOHEADER lpbi)
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{
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if(lpbi->biClrUsed)
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return lpbi->biClrUsed;
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if(lpbi->biBitCount<=8)
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return 1<<lpbi->biBitCount;
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return 0;
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}
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static WINE_HDD* HDD_FirstHdd /* = NULL */;
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static WINE_HDD* MSVIDEO_GetHddPtr(HDRAWDIB hd)
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{
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WINE_HDD* hdd;
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for (hdd = HDD_FirstHdd; hdd != NULL && hdd->hSelf != hd; hdd = hdd->next);
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return hdd;
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}
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static DWORD HDD_HandleRef = 1;
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/***********************************************************************
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* DrawDibOpen [MSVFW32.@]
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*/
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HDRAWDIB VFWAPI DrawDibOpen(void)
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{
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WINE_HDD* whdd;
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TRACE("(void)\n");
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whdd = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(WINE_HDD));
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TRACE("=> %p\n", whdd);
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while (MSVIDEO_GetHddPtr((HDRAWDIB)HDD_HandleRef) != NULL) HDD_HandleRef++;
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whdd->hSelf = (HDRAWDIB)HDD_HandleRef++;
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whdd->next = HDD_FirstHdd;
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HDD_FirstHdd = whdd;
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return whdd->hSelf;
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}
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/***********************************************************************
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* DrawDibClose [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibClose(HDRAWDIB hdd)
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{
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WINE_HDD* whdd = MSVIDEO_GetHddPtr(hdd);
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WINE_HDD** p;
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TRACE("(%p)\n", hdd);
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if (!whdd) return FALSE;
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if (whdd->begun) DrawDibEnd(hdd);
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for (p = &HDD_FirstHdd; *p != NULL; p = &((*p)->next))
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{
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if (*p == whdd)
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{
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*p = whdd->next;
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break;
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}
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}
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HeapFree(GetProcessHeap(), 0, whdd);
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return TRUE;
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}
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/***********************************************************************
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* DrawDibEnd [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibEnd(HDRAWDIB hdd)
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{
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BOOL ret = TRUE;
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WINE_HDD *whdd = MSVIDEO_GetHddPtr(hdd);
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TRACE("(%p)\n", hdd);
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whdd->hpal = 0; /* Do not free this */
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whdd->hdc = 0;
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if (whdd->lpbi)
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{
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HeapFree(GetProcessHeap(), 0, whdd->lpbi);
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whdd->lpbi = NULL;
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}
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if (whdd->lpbiOut)
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{
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HeapFree(GetProcessHeap(), 0, whdd->lpbiOut);
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whdd->lpbiOut = NULL;
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}
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whdd->begun = FALSE;
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/*if (whdd->lpvbits)
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HeapFree(GetProcessHeap(), 0, whdd->lpvbuf);*/
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if (whdd->hMemDC)
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{
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SelectObject(whdd->hMemDC, whdd->hOldDib);
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DeleteDC(whdd->hMemDC);
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whdd->hMemDC = 0;
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}
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if (whdd->hDib) DeleteObject(whdd->hDib);
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whdd->hDib = 0;
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if (whdd->hic)
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{
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ICDecompressEnd(whdd->hic);
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ICClose(whdd->hic);
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whdd->hic = 0;
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}
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whdd->lpvbits = NULL;
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return ret;
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}
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/***********************************************************************
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* DrawDibBegin [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibBegin(HDRAWDIB hdd,
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HDC hdc,
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INT dxDst,
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INT dyDst,
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LPBITMAPINFOHEADER lpbi,
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INT dxSrc,
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INT dySrc,
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UINT wFlags)
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{
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BOOL ret = TRUE;
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WINE_HDD *whdd;
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TRACE("(%p,%p,%d,%d,%p,%d,%d,0x%08lx)\n",
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hdd, hdc, dxDst, dyDst, lpbi, dxSrc, dySrc, (DWORD)wFlags);
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TRACE("lpbi: %ld,%ld/%ld,%d,%d,%ld,%ld,%ld,%ld,%ld,%ld\n",
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lpbi->biSize, lpbi->biWidth, lpbi->biHeight, lpbi->biPlanes,
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lpbi->biBitCount, lpbi->biCompression, lpbi->biSizeImage,
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lpbi->biXPelsPerMeter, lpbi->biYPelsPerMeter, lpbi->biClrUsed,
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lpbi->biClrImportant);
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if (wFlags & ~(DDF_BUFFER))
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FIXME("wFlags == 0x%08x not handled\n", wFlags & ~(DDF_BUFFER));
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whdd = MSVIDEO_GetHddPtr(hdd);
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if (!whdd) return FALSE;
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if (whdd->begun) DrawDibEnd(hdd);
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if (lpbi->biCompression)
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{
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DWORD size = 0;
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whdd->hic = ICOpen(ICTYPE_VIDEO, lpbi->biCompression, ICMODE_DECOMPRESS);
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if (!whdd->hic)
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{
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WARN("Could not open IC. biCompression == 0x%08lx\n", lpbi->biCompression);
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ret = FALSE;
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}
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if (ret)
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{
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size = ICDecompressGetFormat(whdd->hic, lpbi, NULL);
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if (size == ICERR_UNSUPPORTED)
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{
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WARN("Codec doesn't support GetFormat, giving up.\n");
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ret = FALSE;
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}
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}
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if (ret)
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{
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whdd->lpbiOut = HeapAlloc(GetProcessHeap(), 0, size);
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if (ICDecompressGetFormat(whdd->hic, lpbi, whdd->lpbiOut) != ICERR_OK)
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ret = FALSE;
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}
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if (ret)
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{
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/* FIXME: Use Ex functions if available? */
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if (ICDecompressBegin(whdd->hic, lpbi, whdd->lpbiOut) != ICERR_OK)
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ret = FALSE;
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TRACE("biSizeImage == %ld\n", whdd->lpbiOut->biSizeImage);
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TRACE("biCompression == %ld\n", whdd->lpbiOut->biCompression);
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TRACE("biBitCount == %d\n", whdd->lpbiOut->biBitCount);
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}
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}
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else
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{
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DWORD dwSize;
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/* No compression */
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TRACE("Not compressed!\n");
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dwSize = lpbi->biSize + num_colours(lpbi)*sizeof(RGBQUAD);
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whdd->lpbiOut = HeapAlloc(GetProcessHeap(), 0, dwSize);
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memcpy(whdd->lpbiOut, lpbi, dwSize);
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}
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if (ret)
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{
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/*whdd->lpvbuf = HeapAlloc(GetProcessHeap(), 0, whdd->lpbiOut->biSizeImage);*/
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whdd->hMemDC = CreateCompatibleDC(hdc);
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TRACE("Creating: %ld, %p\n", whdd->lpbiOut->biSize, whdd->lpvbits);
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whdd->hDib = CreateDIBSection(whdd->hMemDC, (BITMAPINFO *)whdd->lpbiOut, DIB_RGB_COLORS, &(whdd->lpvbits), 0, 0);
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if (!whdd->hDib)
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{
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TRACE("Error: %ld\n", GetLastError());
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}
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TRACE("Created: %p,%p\n", whdd->hDib, whdd->lpvbits);
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whdd->hOldDib = SelectObject(whdd->hMemDC, whdd->hDib);
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}
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if (ret)
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{
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whdd->hdc = hdc;
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whdd->dxDst = dxDst;
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whdd->dyDst = dyDst;
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whdd->lpbi = HeapAlloc(GetProcessHeap(), 0, lpbi->biSize);
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memcpy(whdd->lpbi, lpbi, lpbi->biSize);
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whdd->dxSrc = dxSrc;
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whdd->dySrc = dySrc;
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whdd->begun = TRUE;
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whdd->hpal = 0;
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}
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else
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{
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if (whdd->hic)
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ICClose(whdd->hic);
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if (whdd->lpbiOut)
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{
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HeapFree(GetProcessHeap(), 0, whdd->lpbiOut);
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whdd->lpbiOut = NULL;
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}
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}
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return ret;
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}
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/**********************************************************************
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* DrawDibDraw [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibDraw(HDRAWDIB hdd, HDC hdc,
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INT xDst, INT yDst, INT dxDst, INT dyDst,
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LPBITMAPINFOHEADER lpbi,
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LPVOID lpBits,
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INT xSrc, INT ySrc, INT dxSrc, INT dySrc,
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UINT wFlags)
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{
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WINE_HDD *whdd;
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BOOL ret = TRUE;
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TRACE("(%p,%p,%d,%d,%d,%d,%p,%p,%d,%d,%d,%d,0x%08lx)\n",
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hdd, hdc, xDst, yDst, dxDst, dyDst, lpbi, lpBits, xSrc, ySrc, dxSrc, dySrc, (DWORD)wFlags);
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whdd = MSVIDEO_GetHddPtr(hdd);
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if (!whdd) return FALSE;
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if (wFlags & ~(DDF_SAME_HDC | DDF_SAME_DRAW | DDF_NOTKEYFRAME | DDF_UPDATE | DDF_DONTDRAW | DDF_BACKGROUNDPAL))
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FIXME("wFlags == 0x%08lx not handled\n", (DWORD)wFlags);
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if (!lpBits)
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{
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/* Undocumented? */
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lpBits = (LPSTR)lpbi + (WORD)(lpbi->biSize) + (WORD)(num_colours(lpbi)*sizeof(RGBQUAD));
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}
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#define CHANGED(x) (whdd->x != x)
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if ((!whdd->begun) ||
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(!(wFlags & DDF_SAME_HDC) && CHANGED(hdc)) ||
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(!(wFlags & DDF_SAME_DRAW) && (CHANGED(lpbi) || CHANGED(dxSrc) || CHANGED(dySrc) || CHANGED(dxDst) || CHANGED(dyDst))))
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{
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TRACE("Something changed!\n");
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ret = DrawDibBegin(hdd, hdc, dxDst, dyDst, lpbi, dxSrc, dySrc, 0);
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}
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#undef CHANGED
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if ((dxDst == -1) && (dyDst == -1))
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{
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dxDst = dxSrc;
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dyDst = dySrc;
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}
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if (!(wFlags & DDF_UPDATE))
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{
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/* biSizeImage may be set to 0 for BI_RGB (uncompressed) bitmaps */
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if ((lpbi->biCompression == BI_RGB) && (lpbi->biSizeImage == 0))
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lpbi->biSizeImage = ((lpbi->biWidth * lpbi->biBitCount + 31) / 32) * 4 * lpbi->biHeight;
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if (lpbi->biCompression)
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{
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DWORD flags = 0;
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TRACE("Compression == 0x%08lx\n", lpbi->biCompression);
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if (wFlags & DDF_NOTKEYFRAME)
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flags |= ICDECOMPRESS_NOTKEYFRAME;
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ICDecompress(whdd->hic, flags, lpbi, lpBits, whdd->lpbiOut, whdd->lpvbits);
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}
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else
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{
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memcpy(whdd->lpvbits, lpBits, lpbi->biSizeImage);
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}
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}
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if (!(wFlags & DDF_DONTDRAW) && whdd->hpal)
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{
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if ((wFlags & DDF_BACKGROUNDPAL) && ! (wFlags & DDF_SAME_HDC))
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SelectPalette(hdc, whdd->hpal, TRUE);
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else
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SelectPalette(hdc, whdd->hpal, FALSE);
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}
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if (!(StretchBlt(whdd->hdc, xDst, yDst, dxDst, dyDst, whdd->hMemDC, xSrc, ySrc, dxSrc, dySrc, SRCCOPY)))
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ret = FALSE;
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return ret;
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}
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/*************************************************************************
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* DrawDibStart [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibStart(HDRAWDIB hdd, DWORD rate) {
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FIXME("(%p, %ld), stub\n", hdd, rate);
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return TRUE;
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}
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/*************************************************************************
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* DrawDibStop [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibStop(HDRAWDIB hdd) {
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FIXME("(%p), stub\n", hdd);
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return TRUE;
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}
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/***********************************************************************
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* DrawDibSetPalette [MSVFW32.@]
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*/
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BOOL VFWAPI DrawDibSetPalette(HDRAWDIB hdd, HPALETTE hpal)
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{
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WINE_HDD *whdd;
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TRACE("(%p, %p)\n", hdd, hpal);
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whdd = MSVIDEO_GetHddPtr(hdd);
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if (!whdd) return FALSE;
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whdd->hpal = hpal;
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if (whdd->begun)
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{
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SelectPalette(whdd->hdc, hpal, 0);
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RealizePalette(whdd->hdc);
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}
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return TRUE;
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}
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/***********************************************************************
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* DrawDibGetPalette [MSVFW32.@]
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*/
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HPALETTE VFWAPI DrawDibGetPalette(HDRAWDIB hdd)
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{
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WINE_HDD *whdd;
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TRACE("(%p)\n", hdd);
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whdd = MSVIDEO_GetHddPtr(hdd);
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if (!whdd) return FALSE;
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return whdd->hpal;
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}
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/***********************************************************************
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* DrawDibRealize [MSVFW32.@]
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*/
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UINT VFWAPI DrawDibRealize(HDRAWDIB hdd, HDC hdc, BOOL fBackground)
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{
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WINE_HDD *whdd;
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HPALETTE oldPal;
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UINT ret = 0;
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FIXME("(%p, %p, %d), stub\n", hdd, hdc, fBackground);
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whdd = MSVIDEO_GetHddPtr(hdd);
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if (!whdd) return FALSE;
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if (!whdd || !(whdd->begun))
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{
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ret = 0;
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goto out;
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}
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if (!whdd->hpal)
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whdd->hpal = CreateHalftonePalette(hdc);
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oldPal = SelectPalette(hdc, whdd->hpal, fBackground);
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ret = RealizePalette(hdc);
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out:
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TRACE("=> %u\n", ret);
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return ret;
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}
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DWORD VFWAPI DrawDibProfileDisplay(LPBITMAPINFOHEADER lpbi)
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{
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FIXME("(%p) stub\n", lpbi);
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return PD_CAN_DRAW_DIB;
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}
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