Sweden-Number/graphics/metafiledrv/objects.c

273 lines
7.9 KiB
C

/*
* GDI objects
*
* Copyright 1993 Alexandre Julliard
*/
#include <stdlib.h>
#include <stdio.h>
#include "bitmap.h"
#include "brush.h"
#include "font.h"
#include "metafiledrv.h"
#include "pen.h"
#include "debug.h"
#include "heap.h"
/***********************************************************************
* MFDRV_BITMAP_SelectObject
*/
static HBITMAP16 MFDRV_BITMAP_SelectObject( DC * dc, HBITMAP16 hbitmap,
BITMAPOBJ * bmp )
{
return 0;
}
/******************************************************************
* MFDRV_CreateBrushIndirect
*/
static BOOL MFDRV_CreateBrushIndirect(DC *dc, HBRUSH16 hBrush,
LOGBRUSH16 *logbrush)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(*logbrush)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(*logbrush) - 2) / 2;
mr->rdFunction = META_CREATEBRUSHINDIRECT;
memcpy(&(mr->rdParm), logbrush, sizeof(*logbrush));
if (!(MFDRV_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MFDRV_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
}
/******************************************************************
* MFDRV_CreatePatternBrush
*/
static BOOL MFDRV_CreatePatternBrush(DC *dc, HBRUSH16 hBrush,
LOGBRUSH16 *logbrush)
{
DWORD len, bmSize, biSize;
METARECORD *mr;
BITMAPINFO *info;
int index;
char buffer[sizeof(METARECORD)];
switch (logbrush->lbStyle)
{
case BS_PATTERN:
{
BITMAP bm;
BYTE *bits;
GetObjectA(logbrush->lbHatch, sizeof(bm), &bm);
if(bm.bmBitsPixel != 1 || bm.bmPlanes != 1) {
FIXME(metafile, "Trying to store a colour pattern brush\n");
return FALSE;
}
bmSize = bm.bmHeight * DIB_GetDIBWidthBytes(bm.bmWidth, 1);
len = sizeof(METARECORD) + sizeof(WORD) + sizeof(BITMAPINFO) +
sizeof(RGBQUAD) + bmSize;
mr = HeapAlloc(SystemHeap, HEAP_ZERO_MEMORY, len);
if(!mr) return FALSE;
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = len / 2;
mr->rdParm[0] = BS_PATTERN;
mr->rdParm[1] = DIB_RGB_COLORS;
info = (BITMAPINFO *)(mr->rdParm + 2);
info->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
info->bmiHeader.biWidth = bm.bmWidth;
info->bmiHeader.biHeight = bm.bmHeight;
info->bmiHeader.biPlanes = 1;
info->bmiHeader.biBitCount = 1;
bits = ((BYTE *)info) + sizeof(BITMAPINFO) + sizeof(RGBQUAD);
GetDIBits(dc->hSelf, logbrush->lbHatch, 0, bm.bmHeight, bits,
info, DIB_RGB_COLORS);
*(DWORD *)info->bmiColors = 0;
*(DWORD *)(info->bmiColors + 1) = 0xffffff;
break;
}
case BS_DIBPATTERN:
info = (BITMAPINFO *)GlobalLock16((HGLOBAL16)logbrush->lbHatch);
if (info->bmiHeader.biCompression)
bmSize = info->bmiHeader.biSizeImage;
else
bmSize = DIB_GetDIBWidthBytes(info->bmiHeader.biWidth,
info->bmiHeader.biBitCount)
* info->bmiHeader.biHeight;
biSize = DIB_BitmapInfoSize(info, LOWORD(logbrush->lbColor));
len = sizeof(METARECORD) + biSize + bmSize + 2;
mr = HeapAlloc(SystemHeap, HEAP_ZERO_MEMORY, len);
if(!mr) return FALSE;
mr->rdFunction = META_DIBCREATEPATTERNBRUSH;
mr->rdSize = len / 2;
*(mr->rdParm) = logbrush->lbStyle;
*(mr->rdParm + 1) = LOWORD(logbrush->lbColor);
memcpy(mr->rdParm + 2, info, biSize + bmSize);
break;
default:
return FALSE;
}
if (!(MFDRV_WriteRecord(dc, mr, len)))
{
HeapFree(SystemHeap, 0, mr);
return FALSE;
}
HeapFree(SystemHeap, 0, mr);
mr = (METARECORD *)&buffer;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MFDRV_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
}
/***********************************************************************
* MFDRV_BRUSH_SelectObject
*/
static HBRUSH MFDRV_BRUSH_SelectObject( DC * dc, HBRUSH hbrush,
BRUSHOBJ * brush )
{
LOGBRUSH16 logbrush = { brush->logbrush.lbStyle,
brush->logbrush.lbColor,
brush->logbrush.lbHatch };
switch (brush->logbrush.lbStyle)
{
case BS_SOLID:
case BS_HATCHED:
case BS_HOLLOW:
if (!MFDRV_CreateBrushIndirect( dc, hbrush, &logbrush )) return 0;
break;
case BS_PATTERN:
case BS_DIBPATTERN:
if (!MFDRV_CreatePatternBrush( dc, hbrush, &logbrush )) return 0;
break;
}
return 1; /* FIXME? */
}
/******************************************************************
* MFDRV_CreateFontIndirect
*/
static BOOL MFDRV_CreateFontIndirect(DC *dc, HFONT16 hFont, LOGFONT16 *logfont)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(LOGFONT16)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(LOGFONT16) - 2) / 2;
mr->rdFunction = META_CREATEFONTINDIRECT;
memcpy(&(mr->rdParm), logfont, sizeof(LOGFONT16));
if (!(MFDRV_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MFDRV_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
}
/***********************************************************************
* MFDRV_FONT_SelectObject
*/
static HFONT16 MFDRV_FONT_SelectObject( DC * dc, HFONT16 hfont,
FONTOBJ * font )
{
HFONT16 prevHandle = dc->w.hFont;
if (MFDRV_CreateFontIndirect(dc, hfont, &(font->logfont)))
return prevHandle;
return 0;
}
/******************************************************************
* MFDRV_CreatePenIndirect
*/
static BOOL MFDRV_CreatePenIndirect(DC *dc, HPEN16 hPen, LOGPEN16 *logpen)
{
int index;
char buffer[sizeof(METARECORD) - 2 + sizeof(*logpen)];
METARECORD *mr = (METARECORD *)&buffer;
mr->rdSize = (sizeof(METARECORD) + sizeof(*logpen) - 2) / 2;
mr->rdFunction = META_CREATEPENINDIRECT;
memcpy(&(mr->rdParm), logpen, sizeof(*logpen));
if (!(MFDRV_WriteRecord( dc, mr, mr->rdSize * 2))) return FALSE;
mr->rdSize = sizeof(METARECORD) / 2;
mr->rdFunction = META_SELECTOBJECT;
if ((index = MFDRV_AddHandleDC( dc )) == -1) return FALSE;
*(mr->rdParm) = index;
return MFDRV_WriteRecord( dc, mr, mr->rdSize * 2);
}
/***********************************************************************
* MFDRV_PEN_SelectObject
*/
static HPEN MFDRV_PEN_SelectObject( DC * dc, HPEN hpen, PENOBJ * pen )
{
HPEN prevHandle = dc->w.hPen;
LOGPEN16 logpen = { pen->logpen.lopnStyle,
{ pen->logpen.lopnWidth.x, pen->logpen.lopnWidth.y },
pen->logpen.lopnColor };
if (MFDRV_CreatePenIndirect( dc, hpen, &logpen )) return prevHandle;
return 0;
}
/***********************************************************************
* MFDRV_SelectObject
*/
HGDIOBJ MFDRV_SelectObject( DC *dc, HGDIOBJ handle )
{
GDIOBJHDR * ptr = GDI_GetObjPtr( handle, MAGIC_DONTCARE );
HGDIOBJ ret = 0;
if (!ptr) return 0;
TRACE(gdi, "hdc=%04x %04x\n", dc->hSelf, handle );
switch(ptr->wMagic)
{
case PEN_MAGIC:
ret = MFDRV_PEN_SelectObject( dc, handle, (PENOBJ *)ptr );
break;
case BRUSH_MAGIC:
ret = MFDRV_BRUSH_SelectObject( dc, handle, (BRUSHOBJ *)ptr );
break;
case BITMAP_MAGIC:
ret = MFDRV_BITMAP_SelectObject( dc, handle, (BITMAPOBJ *)ptr );
break;
case FONT_MAGIC:
ret = MFDRV_FONT_SelectObject( dc, handle, (FONTOBJ *)ptr );
break;
case REGION_MAGIC:
ret = (HGDIOBJ16)SelectClipRgn16( dc->hSelf, handle );
break;
}
GDI_HEAP_UNLOCK( handle );
return ret;
}