528 lines
16 KiB
C
528 lines
16 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., 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 "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] = get_full_gdi_handle( 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 FALSE;
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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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/***********************************************************************
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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_PATTERN:
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case BS_DIBPATTERN:
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{
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EMRCREATEDIBPATTERNBRUSHPT *emr;
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char buffer[FIELD_OFFSET( BITMAPINFO, bmiColors[256] )];
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BITMAPINFO *info = (BITMAPINFO *)buffer;
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DWORD info_size;
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void *bits;
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UINT usage;
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if (!get_brush_bitmap_info( hBrush, info, &bits, &usage )) break;
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info_size = get_dib_info_size( info, usage );
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emr = HeapAlloc( GetProcessHeap(), 0,
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sizeof(EMRCREATEDIBPATTERNBRUSHPT)+info_size+info->bmiHeader.biSizeImage );
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if(!emr) break;
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if (logbrush.lbStyle == BS_PATTERN && info->bmiHeader.biBitCount == 1)
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{
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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->emr.iType = EMR_CREATEMONOBRUSH;
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usage = DIB_PAL_MONO;
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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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emr->offBmi = sizeof( EMRCREATEDIBPATTERNBRUSHPT ) + sizeof(DWORD);
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emr->cbBmi = sizeof( BITMAPINFOHEADER );
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}
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else
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{
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emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
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emr->offBmi = sizeof( EMRCREATEDIBPATTERNBRUSHPT );
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emr->cbBmi = info_size;
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}
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emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
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emr->iUsage = usage;
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emr->offBits = emr->offBmi + emr->cbBmi;
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emr->cbBits = info->bmiHeader.biSizeImage;
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emr->emr.nSize = emr->offBits + emr->cbBits;
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memcpy( (BYTE *)emr + emr->offBmi, info, emr->cbBmi );
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memcpy( (BYTE *)emr + emr->offBits, bits, emr->cbBits );
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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, const struct brush_pattern *pattern )
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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 (physDev->restoring) return hBrush; /* don't output SelectObject records during RestoreDC */
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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 <= DC_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, dev->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, UINT *aa_flags )
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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 (physDev->restoring) goto done; /* don't output SelectObject records during RestoreDC */
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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 0;
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GDI_hdc_using_object(hFont, dev->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 0;
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done:
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*aa_flags = GGO_BITMAP; /* no point in anti-aliasing on metafiles */
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dev = GET_NEXT_PHYSDEV( dev, pSelectFont );
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dev->funcs->pSelectFont( dev, hFont, aa_flags );
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return hFont;
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}
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/******************************************************************
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* EMFDRV_CreatePenIndirect
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*/
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static DWORD 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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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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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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HeapFree( GetProcessHeap(), 0, elp );
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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 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, const struct brush_pattern *pattern )
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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 (physDev->restoring) return hPen; /* don't output SelectObject records during RestoreDC */
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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 <= DC_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 = EMFDRV_CreatePenIndirect(dev, hPen))) return 0;
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GDI_hdc_using_object(hPen, dev->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_CreatePalette
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*/
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static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal)
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{
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WORD i;
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struct {
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EMRCREATEPALETTE hdr;
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PALETTEENTRY entry[255];
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} pal;
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memset( &pal, 0, sizeof(pal) );
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if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
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return 0;
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for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
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pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
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pal.hdr.emr.iType = EMR_CREATEPALETTE;
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pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
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pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal );
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if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr ))
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pal.hdr.ihPal = 0;
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return pal.hdr.ihPal;
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}
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/******************************************************************
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* EMFDRV_SelectPalette
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*/
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HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force )
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{
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EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
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EMRSELECTPALETTE emr;
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DWORD index;
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if (physDev->restoring) return hPal; /* don't output SelectObject records during RestoreDC */
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if (hPal == GetStockObject( DEFAULT_PALETTE ))
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{
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index = DEFAULT_PALETTE | 0x80000000;
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goto found;
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}
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if ((index = EMFDRV_FindObject( dev, hPal )) != 0)
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goto found;
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if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0;
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GDI_hdc_using_object( hPal, dev->hdc );
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found:
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emr.emr.iType = EMR_SELECTPALETTE;
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emr.emr.nSize = sizeof(emr);
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emr.ihPal = index;
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return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0;
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}
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/******************************************************************
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* EMFDRV_SetDCBrushColor
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*/
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COLORREF EMFDRV_SetDCBrushColor( PHYSDEV dev, COLORREF color )
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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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if (GetCurrentObject( dev->hdc, OBJ_BRUSH ) != GetStockObject( DC_BRUSH )) return color;
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if (physDev->dc_brush) DeleteObject( physDev->dc_brush );
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if (!(physDev->dc_brush = CreateSolidBrush( color ))) return CLR_INVALID;
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if (!(index = EMFDRV_CreateBrushIndirect(dev, physDev->dc_brush ))) return CLR_INVALID;
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GDI_hdc_using_object( physDev->dc_brush, dev->hdc );
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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 ) ? color : CLR_INVALID;
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}
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/******************************************************************
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* EMFDRV_SetDCPenColor
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*/
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COLORREF EMFDRV_SetDCPenColor( PHYSDEV dev, COLORREF color )
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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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LOGPEN logpen = { PS_SOLID, { 0, 0 }, color };
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if (GetCurrentObject( dev->hdc, OBJ_PEN ) != GetStockObject( DC_PEN )) return color;
|
|
|
|
if (physDev->dc_pen) DeleteObject( physDev->dc_pen );
|
|
if (!(physDev->dc_pen = CreatePenIndirect( &logpen ))) return CLR_INVALID;
|
|
if (!(index = EMFDRV_CreatePenIndirect(dev, physDev->dc_pen))) return CLR_INVALID;
|
|
GDI_hdc_using_object( physDev->dc_pen, dev->hdc );
|
|
emr.emr.iType = EMR_SELECTOBJECT;
|
|
emr.emr.nSize = sizeof(emr);
|
|
emr.ihObject = index;
|
|
return EMFDRV_WriteRecord( dev, &emr.emr ) ? color : CLR_INVALID;
|
|
}
|
|
|
|
/******************************************************************
|
|
* EMFDRV_GdiComment
|
|
*/
|
|
BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, const BYTE *buffer)
|
|
{
|
|
EMRGDICOMMENT *emr;
|
|
UINT total, rounded_size;
|
|
BOOL ret;
|
|
|
|
rounded_size = (bytes+3) & ~3;
|
|
total = offsetof(EMRGDICOMMENT,Data) + rounded_size;
|
|
|
|
emr = HeapAlloc(GetProcessHeap(), 0, total);
|
|
emr->emr.iType = EMR_GDICOMMENT;
|
|
emr->emr.nSize = total;
|
|
emr->cbData = bytes;
|
|
memset(&emr->Data[bytes], 0, rounded_size - bytes);
|
|
memcpy(&emr->Data[0], buffer, bytes);
|
|
|
|
ret = EMFDRV_WriteRecord( dev, &emr->emr );
|
|
|
|
HeapFree(GetProcessHeap(), 0, emr);
|
|
|
|
return ret;
|
|
}
|