488 lines
14 KiB
C
488 lines
14 KiB
C
/*
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* Enhanced MetaFile objects
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*
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* Copyright 1999 Huw D M Davies
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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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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include "gdi.h"
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#include "enhmfdrv/enhmetafiledrv.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(enhmetafile);
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/******************************************************************
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* EMFDRV_AddHandle
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*/
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static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
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UINT 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->emh->nHandles)
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physDev->emh->nHandles++;
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return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
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}
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/******************************************************************
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* EMFDRV_FindObject
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*/
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static UINT EMFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
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UINT 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 0;
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return index + 1;
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}
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/******************************************************************
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* EMFDRV_DeleteObject
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*/
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BOOL EMFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
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{
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EMRDELETEOBJECT emr;
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
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UINT index;
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BOOL ret = TRUE;
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if(!(index = EMFDRV_FindObject(dev, obj))) return 0;
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emr.emr.iType = EMR_DELETEOBJECT;
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emr.emr.nSize = sizeof(emr);
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emr.ihObject = index;
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if(!EMFDRV_WriteRecord( dev, &emr.emr ))
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ret = FALSE;
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physDev->handles[index - 1] = 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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* EMFDRV_SelectBitmap
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*/
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HBITMAP EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
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{
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return 0;
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}
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/* Internal helper for EMFDRV_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 EMFDRV_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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* EMFDRV_CreateBrushIndirect
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*/
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DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
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{
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DWORD index = 0;
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LOGBRUSH logbrush;
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if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0;
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switch (logbrush.lbStyle) {
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case BS_SOLID:
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case BS_HATCHED:
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case BS_NULL:
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{
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EMRCREATEBRUSHINDIRECT emr;
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emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
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emr.emr.nSize = sizeof(emr);
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emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
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emr.lb.lbStyle = logbrush.lbStyle;
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emr.lb.lbColor = logbrush.lbColor;
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emr.lb.lbHatch = logbrush.lbHatch;
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if(!EMFDRV_WriteRecord( dev, &emr.emr ))
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index = 0;
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}
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break;
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case BS_DIBPATTERN:
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{
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EMRCREATEDIBPATTERNBRUSHPT *emr;
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DWORD bmSize, biSize, size;
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BITMAPINFO *info = GlobalLock16(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(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
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emr = HeapAlloc( GetProcessHeap(), 0, size );
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if(!emr) break;
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emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
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emr->emr.nSize = size;
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emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
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emr->iUsage = LOWORD(logbrush.lbColor);
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emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
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emr->cbBmi = biSize;
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emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
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emr->cbBits = bmSize;
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memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
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biSize + bmSize );
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if(!EMFDRV_WriteRecord( dev, &emr->emr ))
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index = 0;
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HeapFree( GetProcessHeap(), 0, emr );
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GlobalUnlock16(logbrush.lbHatch);
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}
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break;
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case BS_PATTERN:
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{
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EMRCREATEDIBPATTERNBRUSHPT *emr;
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BITMAPINFOHEADER *info;
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BITMAP bm;
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DWORD bmSize, biSize, size;
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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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{
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FIXME("Trying to create a color pattern brush\n");
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break;
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}
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/* BMP will be aligned to 32 bits, not 16 */
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bmSize = DIB_GetDIBImageBytes(bm.bmWidth, bm.bmHeight, bm.bmBitsPixel);
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biSize = sizeof(BITMAPINFOHEADER);
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/* FIXME: There is an extra DWORD written by native before the BMI.
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* Not sure what its meant to contain.
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*/
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size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize + sizeof(DWORD);
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emr = HeapAlloc( GetProcessHeap(), 0, size );
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if(!emr)
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break;
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info = (BITMAPINFOHEADER *)((LPBYTE)emr +
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sizeof(EMRCREATEDIBPATTERNBRUSHPT) + sizeof(DWORD));
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info->biSize = sizeof(BITMAPINFOHEADER);
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info->biWidth = bm.bmWidth;
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info->biHeight = bm.bmHeight;
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info->biPlanes = bm.bmPlanes;
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info->biBitCount = bm.bmBitsPixel;
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info->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(BITMAPINFOHEADER));
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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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EMFDRV_PadTo32((LPBYTE)info + sizeof(BITMAPINFOHEADER), bm.bmWidth, bm.bmHeight);
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emr->emr.iType = EMR_CREATEMONOBRUSH;
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emr->emr.nSize = size;
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emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
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/* Presumably to reduce the size of the written EMF, MS supports an
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* undocumented iUsage value of 2, indicating a mono bitmap without the
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* 8 byte 2 entry black/white palette. Stupidly, they could have saved
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* over 20 bytes more by also ignoring the BITMAPINFO fields that are
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* irrelevant/constant for monochrome bitmaps.
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* FIXME: It may be that the DIB functions themselves accept this value.
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*/
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emr->iUsage = DIB_PAL_MONO;
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emr->offBmi = (LPBYTE)info - (LPBYTE)emr;
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emr->cbBmi = biSize;
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emr->offBits = emr->offBmi + biSize;
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emr->cbBits = bmSize;
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if(!EMFDRV_WriteRecord( dev, &emr->emr ))
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index = 0;
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HeapFree( GetProcessHeap(), 0, emr );
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}
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break;
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default:
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FIXME("Unknown style %x\n", logbrush.lbStyle);
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break;
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}
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return index;
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}
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/***********************************************************************
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* EMFDRV_SelectBrush
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*/
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HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
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EMRSELECTOBJECT emr;
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DWORD index;
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int i;
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/* If the object is a stock brush object, do not need to create it.
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* See definitions in wingdi.h for range of stock brushes.
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* We do however have to handle setting the higher order bit to
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* designate that this is a stock object.
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*/
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for (i = WHITE_BRUSH; i <= NULL_BRUSH; i++)
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{
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if (hBrush == GetStockObject(i))
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{
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index = i | 0x80000000;
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goto found;
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}
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}
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if((index = EMFDRV_FindObject(dev, hBrush)) != 0)
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goto found;
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if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0;
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GDI_hdc_using_object(hBrush, physDev->hdc);
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found:
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emr.emr.iType = EMR_SELECTOBJECT;
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emr.emr.nSize = sizeof(emr);
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emr.ihObject = index;
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return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0;
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}
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/******************************************************************
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* EMFDRV_CreateFontIndirect
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*/
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static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont )
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{
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DWORD index = 0;
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EMREXTCREATEFONTINDIRECTW emr;
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int i;
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if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0;
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emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
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emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
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emr.ihFont = index = EMFDRV_AddHandle( dev, hFont );
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emr.elfw.elfFullName[0] = '\0';
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emr.elfw.elfStyle[0] = '\0';
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emr.elfw.elfVersion = 0;
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emr.elfw.elfStyleSize = 0;
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emr.elfw.elfMatch = 0;
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emr.elfw.elfReserved = 0;
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for(i = 0; i < ELF_VENDOR_SIZE; i++)
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emr.elfw.elfVendorId[i] = 0;
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emr.elfw.elfCulture = PAN_CULTURE_LATIN;
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emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
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emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
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emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
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emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
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emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
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emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
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emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
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emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
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emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
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emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
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if(!EMFDRV_WriteRecord( dev, &emr.emr ))
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index = 0;
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return index;
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}
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/***********************************************************************
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* EMFDRV_SelectFont
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*/
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HFONT EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont, HANDLE gdiFont )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
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EMRSELECTOBJECT emr;
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DWORD index;
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int i;
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/* If the object is a stock font object, do not need to create it.
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* See definitions in wingdi.h for range of stock fonts.
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* We do however have to handle setting the higher order bit to
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* designate that this is a stock object.
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*/
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for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
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{
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if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
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{
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index = i | 0x80000000;
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goto found;
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}
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}
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if((index = EMFDRV_FindObject(dev, hFont)) != 0)
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goto found;
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if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR;
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GDI_hdc_using_object(hFont, physDev->hdc);
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found:
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emr.emr.iType = EMR_SELECTOBJECT;
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emr.emr.nSize = sizeof(emr);
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emr.ihObject = index;
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if(!EMFDRV_WriteRecord( dev, &emr.emr ))
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return HGDI_ERROR;
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return 0;
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}
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/******************************************************************
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* EMFDRV_CreatePenIndirect
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*/
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static HPEN EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen )
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{
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EMRCREATEPEN emr;
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DWORD index = 0;
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if (!GetObjectW( hPen, sizeof(emr.lopn), &emr.lopn ))
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{
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/* must be an extended pen */
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EXTLOGPEN elp;
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if (!GetObjectW( hPen, sizeof(elp), &elp ))
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{
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FIXME("extended pen %p not supported\n", hPen);
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return 0;
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}
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emr.lopn.lopnStyle = elp.elpPenStyle;
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emr.lopn.lopnWidth.x = elp.elpWidth;
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emr.lopn.lopnWidth.y = 0;
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emr.lopn.lopnColor = elp.elpColor;
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}
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emr.emr.iType = EMR_CREATEPEN;
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emr.emr.nSize = sizeof(emr);
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emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
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if(!EMFDRV_WriteRecord( dev, &emr.emr ))
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index = 0;
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return (HPEN)index;
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}
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/******************************************************************
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* EMFDRV_SelectPen
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*/
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HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
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EMRSELECTOBJECT emr;
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DWORD index;
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int i;
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/* If the object is a stock pen object, do not need to create it.
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* See definitions in wingdi.h for range of stock pens.
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* We do however have to handle setting the higher order bit to
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* designate that this is a stock object.
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*/
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for (i = WHITE_PEN; i <= NULL_PEN; i++)
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{
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if (hPen == GetStockObject(i))
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{
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index = i | 0x80000000;
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goto found;
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}
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}
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if((index = EMFDRV_FindObject(dev, hPen)) != 0)
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goto found;
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if (!(index = (DWORD)EMFDRV_CreatePenIndirect(dev, hPen ))) return 0;
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GDI_hdc_using_object(hPen, physDev->hdc);
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found:
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emr.emr.iType = EMR_SELECTOBJECT;
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emr.emr.nSize = sizeof(emr);
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emr.ihObject = index;
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return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
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}
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/******************************************************************
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* EMFDRV_GdiComment
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*/
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BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)
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{
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EMRGDICOMMENT *emr;
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UINT total, rounded_size;
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BOOL ret;
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rounded_size = (bytes+3) & ~3;
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total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
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emr = HeapAlloc(GetProcessHeap(), 0, total);
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emr->emr.iType = EMR_GDICOMMENT;
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emr->emr.nSize = total;
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emr->cbData = bytes;
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memset(&emr->Data[bytes], 0, rounded_size - bytes);
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memcpy(&emr->Data[0], buffer, bytes);
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ret = EMFDRV_WriteRecord( dev, &emr->emr );
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HeapFree(GetProcessHeap(), 0, emr);
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return ret;
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}
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