Sweden-Number/graphics/enhmetafiledrv/objects.c

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/*
* Enhanced MetaFile objects
*
* Copyright 1999 Huw D M Davies
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "bitmap.h"
#include "enhmetafiledrv.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(enhmetafile);
/***********************************************************************
* EMFDRV_BITMAP_SelectObject
*/
static HBITMAP EMFDRV_BITMAP_SelectObject( DC * dc, HBITMAP hbitmap )
{
return 0;
}
/***********************************************************************
* EMFDRV_CreateBrushIndirect
*/
DWORD EMFDRV_CreateBrushIndirect( DC *dc, 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_AddHandleDC( dc );
emr.lb = logbrush;
if(!EMFDRV_WriteRecord( dc, &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_AddHandleDC( dc );
emr->iUsage = LOWORD(logbrush.lbColor);
emr->offBmi = sizeof(EMRCREATEDIBPATTERNBRUSHPT);
emr->cbBmi = biSize;
emr->offBits = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize;
memcpy((char *)emr + sizeof(EMRCREATEDIBPATTERNBRUSHPT), info,
biSize + bmSize );
if(!EMFDRV_WriteRecord( dc, &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_BRUSH_SelectObject
*/
static HBRUSH EMFDRV_BRUSH_SelectObject(DC *dc, HBRUSH hBrush )
{
EMRSELECTOBJECT emr;
DWORD index;
HBRUSH hOldBrush;
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_CreateBrushIndirect(dc, hBrush ))) return 0;
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return FALSE;
hOldBrush = dc->hBrush;
dc->hBrush = hBrush;
return hOldBrush;
}
/******************************************************************
* EMFDRV_CreateFontIndirect
*/
static BOOL EMFDRV_CreateFontIndirect(DC *dc, 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_AddHandleDC( dc );
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( dc, &emr.emr ))
index = 0;
return index;
}
/***********************************************************************
* EMFDRV_FONT_SelectObject
*/
static HFONT EMFDRV_FONT_SelectObject( DC * dc, HFONT hFont )
{
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_CreateFontIndirect(dc, hFont ))) return GDI_ERROR;
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return GDI_ERROR;
return FALSE;
}
/******************************************************************
* EMFDRV_CreatePenIndirect
*/
static HPEN EMFDRV_CreatePenIndirect(DC *dc, 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_AddHandleDC( dc );
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
index = 0;
return index;
}
/******************************************************************
* EMFDRV_PEN_SelectObject
*/
static HPEN EMFDRV_PEN_SelectObject(DC *dc, HPEN hPen )
{
EMRSELECTOBJECT emr;
DWORD index;
HPEN hOldPen;
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_CreatePenIndirect(dc, hPen ))) return 0;
found:
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return FALSE;
hOldPen = dc->hPen;
dc->hPen = hPen;
return hOldPen;
}
/***********************************************************************
* EMFDRV_SelectObject
*/
HGDIOBJ EMFDRV_SelectObject( DC *dc, HGDIOBJ handle )
{
GDIOBJHDR * ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
HGDIOBJ ret = 0;
if (!ptr) return 0;
TRACE("hdc=%04x %04x\n", dc->hSelf, handle );
switch(GDIMAGIC(ptr->wMagic))
{
case PEN_MAGIC:
ret = EMFDRV_PEN_SelectObject( dc, handle );
break;
case BRUSH_MAGIC:
ret = EMFDRV_BRUSH_SelectObject( dc, handle );
break;
case FONT_MAGIC:
ret = EMFDRV_FONT_SelectObject( dc, handle );
break;
case BITMAP_MAGIC:
ret = EMFDRV_BITMAP_SelectObject( dc, handle );
break;
}
GDI_ReleaseObj( handle );
return ret;
}