524 lines
15 KiB
C
524 lines
15 KiB
C
/*
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* GDI objects
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*
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* Copyright 1993 Alexandre Julliard
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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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "wownt32.h"
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#include "mfdrv/metafiledrv.h"
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#include "gdi.h"
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#include "gdi_private.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(metafile);
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/******************************************************************
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* MFDRV_AddHandle
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*/
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UINT MFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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UINT16 index;
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for(index = 0; index < physDev->handles_size; index++)
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if(physDev->handles[index] == 0) break;
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if(index == physDev->handles_size) {
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physDev->handles_size += HANDLE_LIST_INC;
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physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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physDev->handles,
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physDev->handles_size * sizeof(physDev->handles[0]));
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}
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physDev->handles[index] = obj;
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physDev->cur_handles++;
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if(physDev->cur_handles > physDev->mh->mtNoObjects)
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physDev->mh->mtNoObjects++;
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return index ; /* index 0 is not reserved for metafiles */
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}
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/******************************************************************
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* MFDRV_FindObject
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*/
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static INT16 MFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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INT16 index;
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for(index = 0; index < physDev->handles_size; index++)
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if(physDev->handles[index] == obj) break;
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if(index == physDev->handles_size) return -1;
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return index ;
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}
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/******************************************************************
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* MFDRV_DeleteObject
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*/
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BOOL MFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
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{
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METARECORD mr;
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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INT16 index;
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BOOL ret = TRUE;
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index = MFDRV_FindObject(dev, obj);
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if( index < 0 )
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return 0;
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mr.rdSize = sizeof mr / 2;
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mr.rdFunction = META_DELETEOBJECT;
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mr.rdParm[0] = index;
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if(!MFDRV_WriteRecord( dev, &mr, mr.rdSize*2 ))
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ret = FALSE;
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physDev->handles[index] = 0;
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physDev->cur_handles--;
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return ret;
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}
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/***********************************************************************
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* MFDRV_SelectObject
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*/
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static BOOL MFDRV_SelectObject( PHYSDEV dev, INT16 index)
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{
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METARECORD mr;
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mr.rdSize = sizeof mr / 2;
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mr.rdFunction = META_SELECTOBJECT;
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mr.rdParm[0] = index;
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return MFDRV_WriteRecord( dev, &mr, mr.rdSize*2 );
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}
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/***********************************************************************
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* MFDRV_SelectBitmap
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*/
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HBITMAP MFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
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{
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return 0;
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}
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/***********************************************************************
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* Internal helper for MFDRV_CreateBrushIndirect():
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* Change the padding of a bitmap from 16 (BMP) to 32 (DIB) bits.
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*/
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static inline void MFDRV_PadTo32(LPBYTE lpRows, int height, int width)
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{
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int bytes16 = 2 * ((width + 15) / 16);
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int bytes32 = 4 * ((width + 31) / 32);
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LPBYTE lpSrc, lpDst;
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int i;
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if (!height)
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return;
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height = abs(height) - 1;
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lpSrc = lpRows + height * bytes16;
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lpDst = lpRows + height * bytes32;
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/* Note that we work backwards so we can re-pad in place */
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while (height >= 0)
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{
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for (i = bytes32; i > bytes16; i--)
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lpDst[i - 1] = 0; /* Zero the padding bytes */
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for (; i > 0; i--)
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lpDst[i - 1] = lpSrc[i - 1]; /* Move image bytes into alignment */
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lpSrc -= bytes16;
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lpDst -= bytes32;
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height--;
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}
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}
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/***********************************************************************
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* Internal helper for MFDRV_CreateBrushIndirect():
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* Reverse order of bitmap rows in going from BMP to DIB.
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*/
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static inline void MFDRV_Reverse(LPBYTE lpRows, int height, int width)
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{
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int bytes = 4 * ((width + 31) / 32);
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LPBYTE lpSrc, lpDst;
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BYTE temp;
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int i;
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if (!height)
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return;
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lpSrc = lpRows;
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lpDst = lpRows + (height-1) * bytes;
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height = height/2;
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while (height > 0)
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{
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for (i = 0; i < bytes; i++)
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{
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temp = lpDst[i];
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lpDst[i] = lpSrc[i];
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lpSrc[i] = temp;
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}
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lpSrc += bytes;
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lpDst -= bytes;
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height--;
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}
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}
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/******************************************************************
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* MFDRV_CreateBrushIndirect
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*/
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INT16 MFDRV_CreateBrushIndirect(PHYSDEV dev, HBRUSH hBrush )
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{
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DWORD size;
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METARECORD *mr;
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LOGBRUSH logbrush;
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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BOOL r;
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if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return -1;
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switch(logbrush.lbStyle)
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{
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case BS_SOLID:
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case BS_NULL:
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case BS_HATCHED:
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{
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LOGBRUSH16 lb16;
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lb16.lbStyle = logbrush.lbStyle;
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lb16.lbColor = logbrush.lbColor;
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lb16.lbHatch = logbrush.lbHatch;
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size = sizeof(METARECORD) + sizeof(LOGBRUSH16) - 2;
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mr = HeapAlloc( GetProcessHeap(), 0, size );
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mr->rdSize = size / 2;
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mr->rdFunction = META_CREATEBRUSHINDIRECT;
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memcpy( mr->rdParm, &lb16, sizeof(LOGBRUSH16));
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break;
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}
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case BS_PATTERN:
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{
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BITMAP bm;
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BITMAPINFO *info;
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DWORD bmSize;
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COLORREF cref;
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GetObjectA((HANDLE)logbrush.lbHatch, sizeof(bm), &bm);
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if(bm.bmBitsPixel != 1 || bm.bmPlanes != 1) {
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FIXME("Trying to store a colour pattern brush\n");
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goto done;
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}
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bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, DIB_PAL_COLORS);
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size = sizeof(METARECORD) + sizeof(WORD) + sizeof(BITMAPINFO) +
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sizeof(RGBQUAD) + bmSize;
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mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
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if(!mr) goto done;
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mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
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mr->rdSize = size / 2;
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mr->rdParm[0] = BS_PATTERN;
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mr->rdParm[1] = DIB_RGB_COLORS;
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info = (BITMAPINFO *)(mr->rdParm + 2);
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info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
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info->bmiHeader.biWidth = bm.bmWidth;
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info->bmiHeader.biHeight = bm.bmHeight;
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info->bmiHeader.biPlanes = 1;
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info->bmiHeader.biBitCount = 1;
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info->bmiHeader.biSizeImage = bmSize;
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GetBitmapBits((HANDLE)logbrush.lbHatch,
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bm.bmHeight * BITMAP_GetWidthBytes (bm.bmWidth, bm.bmBitsPixel),
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(LPBYTE)info + sizeof(BITMAPINFO) + sizeof(RGBQUAD));
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/* Change the padding to be DIB compatible if needed */
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if(bm.bmWidth & 31)
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MFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFO) + sizeof(RGBQUAD),
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bm.bmWidth, bm.bmHeight);
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/* BMP and DIB have opposite row order conventions */
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MFDRV_Reverse((LPBYTE)info + sizeof(BITMAPINFO) + sizeof(RGBQUAD),
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bm.bmWidth, bm.bmHeight);
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cref = GetTextColor(physDev->hdc);
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info->bmiColors[0].rgbRed = GetRValue(cref);
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info->bmiColors[0].rgbGreen = GetGValue(cref);
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info->bmiColors[0].rgbBlue = GetBValue(cref);
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info->bmiColors[0].rgbReserved = 0;
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cref = GetBkColor(physDev->hdc);
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info->bmiColors[1].rgbRed = GetRValue(cref);
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info->bmiColors[1].rgbGreen = GetGValue(cref);
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info->bmiColors[1].rgbBlue = GetBValue(cref);
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info->bmiColors[1].rgbReserved = 0;
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break;
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}
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case BS_DIBPATTERN:
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{
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BITMAPINFO *info;
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DWORD bmSize, biSize;
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info = GlobalLock16((HGLOBAL16)logbrush.lbHatch);
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if (info->bmiHeader.biCompression)
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bmSize = info->bmiHeader.biSizeImage;
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else
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bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
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info->bmiHeader.biHeight,
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info->bmiHeader.biBitCount);
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biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush.lbColor));
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size = sizeof(METARECORD) + biSize + bmSize + 2;
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mr = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, size);
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if(!mr) goto done;
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mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
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mr->rdSize = size / 2;
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*(mr->rdParm) = logbrush.lbStyle;
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*(mr->rdParm + 1) = LOWORD(logbrush.lbColor);
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memcpy(mr->rdParm + 2, info, biSize + bmSize);
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break;
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}
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default:
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FIXME("Unkonwn brush style %x\n", logbrush.lbStyle);
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return 0;
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}
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r = MFDRV_WriteRecord( dev, mr, mr->rdSize * 2);
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HeapFree(GetProcessHeap(), 0, mr);
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if( !r )
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return -1;
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done:
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return MFDRV_AddHandle( dev, hBrush );
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}
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/***********************************************************************
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* MFDRV_SelectBrush
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*/
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HBRUSH MFDRV_SelectBrush( PHYSDEV dev, HBRUSH hbrush )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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INT16 index;
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index = MFDRV_FindObject(dev, hbrush);
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if( index < 0 )
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{
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index = MFDRV_CreateBrushIndirect( dev, hbrush );
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if( index < 0 )
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return 0;
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GDI_hdc_using_object(hbrush, physDev->hdc);
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}
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return MFDRV_SelectObject( dev, index ) ? hbrush : HGDI_ERROR;
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}
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/******************************************************************
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* MFDRV_CreateFontIndirect
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*/
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static UINT16 MFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont, LOGFONT16 *logfont)
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{
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char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
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METARECORD *mr = (METARECORD *)&buffer;
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mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
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mr->rdFunction = META_CREATEFONTINDIRECT;
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memcpy(&(mr->rdParm), logfont, sizeof(LOGFONT16));
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if (!(MFDRV_WriteRecord( dev, mr, mr->rdSize * 2)))
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return 0;
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return MFDRV_AddHandle( dev, hFont );
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}
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/***********************************************************************
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* MFDRV_SelectFont
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*/
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HFONT MFDRV_SelectFont( PHYSDEV dev, HFONT hfont, HANDLE gdiFont )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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LOGFONT16 lf16;
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INT16 index;
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index = MFDRV_FindObject(dev, hfont);
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if( index < 0 )
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{
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if (!GetObject16( HFONT_16(hfont), sizeof(lf16), &lf16 ))
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return HGDI_ERROR;
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index = MFDRV_CreateFontIndirect(dev, hfont, &lf16);
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if( index < 0 )
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return HGDI_ERROR;
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GDI_hdc_using_object(hfont, physDev->hdc);
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}
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return MFDRV_SelectObject( dev, index ) ? hfont : HGDI_ERROR;
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}
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/******************************************************************
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* MFDRV_CreatePenIndirect
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*/
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static UINT16 MFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen, LOGPEN16 *logpen)
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{
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char buffer[sizeof(METARECORD) - 2 + sizeof(*logpen)];
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METARECORD *mr = (METARECORD *)&buffer;
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mr->rdSize = (sizeof(METARECORD) + sizeof(*logpen) - 2) / 2;
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mr->rdFunction = META_CREATEPENINDIRECT;
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memcpy(&(mr->rdParm), logpen, sizeof(*logpen));
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if (!(MFDRV_WriteRecord( dev, mr, mr->rdSize * 2)))
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return 0;
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return MFDRV_AddHandle( dev, hPen );
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}
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/***********************************************************************
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* MFDRV_SelectPen
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*/
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HPEN MFDRV_SelectPen( PHYSDEV dev, HPEN hpen )
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{
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METAFILEDRV_PDEVICE *physDev = (METAFILEDRV_PDEVICE *)dev;
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LOGPEN16 logpen;
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INT16 index;
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index = MFDRV_FindObject(dev, hpen);
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if( index < 0 )
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{
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if (!GetObject16( HPEN_16(hpen), sizeof(logpen), &logpen ))
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{
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/* must be an extended pen */
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EXTLOGPEN *elp;
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INT size = GetObjectW( hpen, 0, NULL );
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if (!size) return 0;
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elp = HeapAlloc( GetProcessHeap(), 0, size );
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GetObjectW( hpen, size, elp );
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/* FIXME: add support for user style pens */
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logpen.lopnStyle = elp->elpPenStyle;
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logpen.lopnWidth.x = elp->elpWidth;
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logpen.lopnWidth.y = 0;
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logpen.lopnColor = elp->elpColor;
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HeapFree( GetProcessHeap(), 0, elp );
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}
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index = MFDRV_CreatePenIndirect( dev, hpen, &logpen );
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if( index < 0 )
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return 0;
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GDI_hdc_using_object(hpen, physDev->hdc);
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}
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return MFDRV_SelectObject( dev, index ) ? hpen : HGDI_ERROR;
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}
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/******************************************************************
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* MFDRV_CreatePalette
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*/
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static BOOL MFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPalette, LOGPALETTE* logPalette, int sizeofPalette)
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{
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int index;
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BOOL ret;
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METARECORD *mr;
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mr = HeapAlloc( GetProcessHeap(), 0, sizeof(METARECORD) + sizeofPalette - sizeof(WORD) );
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mr->rdSize = (sizeof(METARECORD) + sizeofPalette - sizeof(WORD)) / sizeof(WORD);
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mr->rdFunction = META_CREATEPALETTE;
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memcpy(&(mr->rdParm), logPalette, sizeofPalette);
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if (!(MFDRV_WriteRecord( dev, mr, mr->rdSize * sizeof(WORD))))
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{
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HeapFree(GetProcessHeap(), 0, mr);
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return FALSE;
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}
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mr->rdSize = sizeof(METARECORD) / sizeof(WORD);
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mr->rdFunction = META_SELECTPALETTE;
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if ((index = MFDRV_AddHandle( dev, hPalette )) == -1) ret = FALSE;
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else
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{
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*(mr->rdParm) = index;
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ret = MFDRV_WriteRecord( dev, mr, mr->rdSize * sizeof(WORD));
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}
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HeapFree(GetProcessHeap(), 0, mr);
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return ret;
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}
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/***********************************************************************
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* MFDRV_SelectPalette
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*/
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HPALETTE MFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPalette, BOOL bForceBackground )
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{
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#define PALVERSION 0x0300
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PLOGPALETTE logPalette;
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WORD wNumEntries = 0;
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BOOL creationSucceed;
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int sizeofPalette;
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GetObjectA(hPalette, sizeof(WORD), (LPSTR) &wNumEntries);
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if (wNumEntries == 0) return 0;
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sizeofPalette = sizeof(LOGPALETTE) + ((wNumEntries-1) * sizeof(PALETTEENTRY));
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logPalette = HeapAlloc( GetProcessHeap(), 0, sizeofPalette );
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if (logPalette == NULL) return 0;
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logPalette->palVersion = PALVERSION;
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logPalette->palNumEntries = wNumEntries;
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GetPaletteEntries(hPalette, 0, wNumEntries, logPalette->palPalEntry);
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creationSucceed = MFDRV_CreatePalette( dev, hPalette, logPalette, sizeofPalette );
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HeapFree( GetProcessHeap(), 0, logPalette );
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if (creationSucceed)
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return hPalette;
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return 0;
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}
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/***********************************************************************
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* MFDRV_RealizePalette
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*/
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UINT MFDRV_RealizePalette(PHYSDEV dev, HPALETTE hPalette, BOOL dummy)
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{
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char buffer[sizeof(METARECORD) - sizeof(WORD)];
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METARECORD *mr = (METARECORD *)&buffer;
|
|
|
|
mr->rdSize = (sizeof(METARECORD) - sizeof(WORD)) / sizeof(WORD);
|
|
mr->rdFunction = META_REALIZEPALETTE;
|
|
|
|
if (!(MFDRV_WriteRecord( dev, mr, mr->rdSize * sizeof(WORD)))) return 0;
|
|
|
|
/* The return value is suppose to be the number of entries
|
|
in the logical palette mapped to the system palette or 0
|
|
if the function failed. Since it's not trivial here to
|
|
get that kind of information and since it's of little
|
|
use in the case of metafiles, we'll always return 1. */
|
|
return 1;
|
|
}
|