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Sweden-Number/dlls/gdi/enhmfdrv/objects.c

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/*
* Enhanced MetaFile objects
*
* Copyright 1999 Huw D M Davies
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bitmap.h"
#include "enhmfdrv/enhmetafiledrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(enhmetafile);
/******************************************************************
* EMFDRV_AddHandle
*/
static UINT EMFDRV_AddHandle( PHYSDEV dev, HGDIOBJ obj )
{
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE *)dev;
UINT index;
for(index = 0; index < physDev->handles_size; index++)
if(physDev->handles[index] == 0) break;
if(index == physDev->handles_size) {
physDev->handles_size += HANDLE_LIST_INC;
physDev->handles = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
physDev->handles,
physDev->handles_size * sizeof(physDev->handles[0]));
}
physDev->handles[index] = obj;
physDev->cur_handles++;
if(physDev->cur_handles > physDev->emh->nHandles)
physDev->emh->nHandles++;
return index + 1; /* index 0 is reserved for the hmf, so we increment everything by 1 */
}
/******************************************************************
* EMFDRV_FindObject
*/
static UINT EMFDRV_FindObject( PHYSDEV dev, HGDIOBJ obj )
{
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
UINT index;
for(index = 0; index < physDev->handles_size; index++)
if(physDev->handles[index] == obj) break;
if(index == physDev->handles_size) return 0;
return index + 1;
}
/******************************************************************
* EMFDRV_DeleteObject
*/
BOOL EMFDRV_DeleteObject( PHYSDEV dev, HGDIOBJ obj )
{
EMRDELETEOBJECT emr;
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*) dev;
UINT index;
BOOL ret = TRUE;
if(!(index = EMFDRV_FindObject(dev, obj))) return 0;
emr.emr.iType = EMR_DELETEOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
ret = FALSE;
physDev->handles[index - 1] = 0;
physDev->cur_handles--;
return ret;
}
/***********************************************************************
* EMFDRV_SelectBitmap
*/
HBITMAP EMFDRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
{
return 0;
}
/***********************************************************************
* EMFDRV_CreateBrushIndirect
*/
DWORD EMFDRV_CreateBrushIndirect( PHYSDEV dev, HBRUSH hBrush )
{
DWORD index = 0;
LOGBRUSH logbrush;
if (!GetObjectA( hBrush, sizeof(logbrush), &logbrush )) return 0;
switch (logbrush.lbStyle) {
case BS_SOLID:
case BS_HATCHED:
case BS_NULL:
{
EMRCREATEBRUSHINDIRECT emr;
emr.emr.iType = EMR_CREATEBRUSHINDIRECT;
emr.emr.nSize = sizeof(emr);
emr.ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
emr.lb = logbrush;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
index = 0;
}
break;
case BS_DIBPATTERN:
{
EMRCREATEDIBPATTERNBRUSHPT *emr;
DWORD bmSize, biSize, size;
BITMAPINFO *info = GlobalLock16(logbrush.lbHatch);
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = DIB_GetDIBImageBytes(info->bmiHeader.biWidth,
info->bmiHeader.biHeight,
info->bmiHeader.biBitCount);
biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush.lbColor));
size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
emr = HeapAlloc( GetProcessHeap(), 0, size );
if(!emr) break;
emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
emr->emr.nSize = size;
emr->ihBrush = index = EMFDRV_AddHandle( dev, hBrush );
emr->iUsage = LOWORD(logbrush.lbColor);
emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
emr->cbBmi = biSize;
emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
emr->cbBits = bmSize;
memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
biSize + bmSize );
if(!EMFDRV_WriteRecord( dev, &emr->emr ))
index = 0;
HeapFree( GetProcessHeap(), 0, emr );
GlobalUnlock16(logbrush.lbHatch);
}
break;
case BS_PATTERN:
FIXME("Unsupported style %x\n",
logbrush.lbStyle);
break;
default:
FIXME("Unknown style %x\n", logbrush.lbStyle);
break;
}
return index;
}
/***********************************************************************
* EMFDRV_SelectBrush
*/
HBRUSH EMFDRV_SelectBrush(PHYSDEV dev, HBRUSH hBrush )
{
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
EMRSELECTOBJECT emr;
DWORD index;
int i;
/* If the object is a stock brush object, do not need to create it.
* See definitions in wingdi.h for range of stock brushes.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = WHITE_BRUSH; i <= NULL_BRUSH; i++)
{
if (hBrush == GetStockObject(i))
{
index = i | 0x80000000;
goto found;
}
}
if((index = EMFDRV_FindObject(dev, hBrush)) != 0)
goto found;
if (!(index = EMFDRV_CreateBrushIndirect(dev, hBrush ))) return 0;
GDI_hdc_using_object(hBrush, physDev->hdc);
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return EMFDRV_WriteRecord( dev, &emr.emr ) ? hBrush : 0;
}
/******************************************************************
* EMFDRV_CreateFontIndirect
*/
static BOOL EMFDRV_CreateFontIndirect(PHYSDEV dev, HFONT hFont )
{
DWORD index = 0;
EMREXTCREATEFONTINDIRECTW emr;
int i;
if (!GetObjectW( hFont, sizeof(emr.elfw.elfLogFont), &emr.elfw.elfLogFont )) return 0;
emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
emr.ihFont = index = EMFDRV_AddHandle( dev, hFont );
emr.elfw.elfFullName[0] = '\0';
emr.elfw.elfStyle[0] = '\0';
emr.elfw.elfVersion = 0;
emr.elfw.elfStyleSize = 0;
emr.elfw.elfMatch = 0;
emr.elfw.elfReserved = 0;
for(i = 0; i < ELF_VENDOR_SIZE; i++)
emr.elfw.elfVendorId[i] = 0;
emr.elfw.elfCulture = PAN_CULTURE_LATIN;
emr.elfw.elfPanose.bFamilyType = PAN_NO_FIT;
emr.elfw.elfPanose.bSerifStyle = PAN_NO_FIT;
emr.elfw.elfPanose.bWeight = PAN_NO_FIT;
emr.elfw.elfPanose.bProportion = PAN_NO_FIT;
emr.elfw.elfPanose.bContrast = PAN_NO_FIT;
emr.elfw.elfPanose.bStrokeVariation = PAN_NO_FIT;
emr.elfw.elfPanose.bArmStyle = PAN_NO_FIT;
emr.elfw.elfPanose.bLetterform = PAN_NO_FIT;
emr.elfw.elfPanose.bMidline = PAN_NO_FIT;
emr.elfw.elfPanose.bXHeight = PAN_NO_FIT;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
index = 0;
return index;
}
/***********************************************************************
* EMFDRV_SelectFont
*/
HFONT EMFDRV_SelectFont( PHYSDEV dev, HFONT hFont )
{
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
EMRSELECTOBJECT emr;
DWORD index;
int i;
/* If the object is a stock font object, do not need to create it.
* See definitions in wingdi.h for range of stock fonts.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = OEM_FIXED_FONT; i <= DEFAULT_GUI_FONT; i++)
{
if (i != DEFAULT_PALETTE && hFont == GetStockObject(i))
{
index = i | 0x80000000;
goto found;
}
}
if((index = EMFDRV_FindObject(dev, hFont)) != 0)
goto found;
if (!(index = EMFDRV_CreateFontIndirect(dev, hFont ))) return HGDI_ERROR;
GDI_hdc_using_object(hFont, physDev->hdc);
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
return HGDI_ERROR;
return 0;
}
/******************************************************************
* EMFDRV_CreatePenIndirect
*/
static HPEN EMFDRV_CreatePenIndirect(PHYSDEV dev, HPEN hPen )
{
EMRCREATEPEN emr;
DWORD index = 0;
if (!GetObjectA( hPen, sizeof(emr.lopn), &emr.lopn )) return 0;
emr.emr.iType = EMR_CREATEPEN;
emr.emr.nSize = sizeof(emr);
emr.ihPen = index = EMFDRV_AddHandle( dev, hPen );
if(!EMFDRV_WriteRecord( dev, &emr.emr ))
index = 0;
return (HPEN)index;
}
/******************************************************************
* EMFDRV_SelectPen
*/
HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
{
EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
EMRSELECTOBJECT emr;
DWORD index;
int i;
/* If the object is a stock pen object, do not need to create it.
* See definitions in wingdi.h for range of stock pens.
* We do however have to handle setting the higher order bit to
* designate that this is a stock object.
*/
for (i = WHITE_PEN; i <= NULL_PEN; i++)
{
if (hPen == GetStockObject(i))
{
index = i | 0x80000000;
goto found;
}
}
if((index = EMFDRV_FindObject(dev, hPen)) != 0)
goto found;
if (!(index = (DWORD)EMFDRV_CreatePenIndirect(dev, hPen ))) return 0;
GDI_hdc_using_object(hPen, physDev->hdc);
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPen : 0;
}
/******************************************************************
* 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;
}
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