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 "brush.h"
#include "font.h"
#include "enhmetafiledrv.h"
#include "pen.h"
#include "debugtools.h"
#include "heap.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;
BRUSHOBJ *brushObj = (BRUSHOBJ *)GDI_GetObjPtr( hBrush, BRUSH_MAGIC );
switch (brushObj->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 = brushObj->logbrush;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
index = 0;
}
break;
case BS_DIBPATTERN:
{
EMRCREATEDIBPATTERNBRUSHPT *emr;
DWORD bmSize, biSize, size;
BITMAPINFO *info = GlobalLock16(brushObj->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(brushObj->logbrush.lbColor));
size = sizeof(EMRCREATEDIBPATTERNBRUSHPT) + biSize + bmSize;
emr = HeapAlloc( SystemHeap, 0, size );
if(!emr) break;;
emr->emr.iType = EMR_CREATEDIBPATTERNBRUSHPT;
emr->emr.nSize = size;
emr->ihBrush = index = EMFDRV_AddHandleDC( dc );
emr->iUsage = LOWORD(brushObj->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( SystemHeap, 0, emr );
GlobalUnlock16(brushObj->logbrush.lbHatch);
}
break;
case BS_PATTERN:
FIXME("Unsupported style %x\n",
brushObj->logbrush.lbStyle);
break;
default:
FIXME("Unknown style %x\n", brushObj->logbrush.lbStyle);
return FALSE;
}
GDI_HEAP_UNLOCK( hBrush );
return index;
}
/***********************************************************************
* EMFDRV_BRUSH_SelectObject
*/
static HBRUSH EMFDRV_BRUSH_SelectObject(DC *dc, HBRUSH hBrush )
{
EMRSELECTOBJECT emr;
DWORD index;
HBRUSH hOldBrush;
index = EMFDRV_CreateBrushIndirect(dc, hBrush );
if(!index) return FALSE;
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return FALSE;
hOldBrush = dc->w.hBrush;
dc->w.hBrush = hBrush;
return hOldBrush;
}
/******************************************************************
* EMFDRV_CreateFontIndirect
*/
static BOOL EMFDRV_CreateFontIndirect(DC *dc, HFONT hFont )
{
DWORD index = 0;
FONTOBJ *fontObj = (FONTOBJ *)GDI_GetObjPtr( hFont, FONT_MAGIC );
EMREXTCREATEFONTINDIRECTW emr;
int i;
emr.emr.iType = EMR_EXTCREATEFONTINDIRECTW;
emr.emr.nSize = (sizeof(emr) + 3) / 4 * 4;
emr.ihFont = index = EMFDRV_AddHandleDC( dc );
FONT_LogFont16To32W( &(fontObj->logfont), &(emr.elfw.elfLogFont) );
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;
GDI_HEAP_UNLOCK( hFont );
return index;
}
/***********************************************************************
* EMFDRV_FONT_SelectObject
*/
static HFONT EMFDRV_FONT_SelectObject( DC * dc, HFONT hFont )
{
EMRSELECTOBJECT emr;
DWORD index;
HFONT hOldFont;
index = EMFDRV_CreateFontIndirect(dc, hFont );
if(!index) return FALSE;
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return FALSE;
hOldFont = dc->w.hFont;
dc->w.hFont = hFont;
return hOldFont;
}
/******************************************************************
* EMFDRV_CreatePenIndirect
*/
static HPEN EMFDRV_CreatePenIndirect(DC *dc, HPEN hPen )
{
EMRCREATEPEN emr;
PENOBJ *penObj = (PENOBJ *)GDI_GetObjPtr( hPen, PEN_MAGIC );
DWORD index = 0;
emr.emr.iType = EMR_CREATEPEN;
emr.emr.nSize = sizeof(emr);
emr.ihPen = index = EMFDRV_AddHandleDC( dc );
emr.lopn = penObj->logpen;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
index = 0;
GDI_HEAP_UNLOCK( hPen );
return index;
}
/******************************************************************
* EMFDRV_PEN_SelectObject
*/
static HPEN EMFDRV_PEN_SelectObject(DC *dc, HPEN hPen )
{
EMRSELECTOBJECT emr;
DWORD index;
HFONT hOldPen;
index = EMFDRV_CreatePenIndirect(dc, hPen );
if(!index) return FALSE;
emr.emr.iType = EMR_SELECTOBJECT;
emr.emr.nSize = sizeof(emr);
emr.ihObject = index;
if(!EMFDRV_WriteRecord( dc, &emr.emr ))
return FALSE;
hOldPen = dc->w.hPen;
dc->w.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(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_HEAP_UNLOCK( handle );
return ret;
}