blob: 1c3cb8b8f53a9285e479106c7ca59fcdb369d09b [file] [log] [blame]
/*
* GDI bitmap objects
*
* Copyright 1993 Alexandre Julliard
*/
#include <stdio.h>
#include <stdlib.h>
#include "ts_xlib.h"
#include "ts_xutil.h"
#include "gdi.h"
#include "callback.h"
#include "dc.h"
#include "bitmap.h"
#include "heap.h"
#include "stddebug.h"
#include "debug.h"
extern void CLIPPING_UpdateGCRegion(DC* );
/***********************************************************************
* X11DRV_BITMAP_Init
*/
BOOL32 X11DRV_BITMAP_Init(void)
{
Pixmap tmpPixmap;
/* Create the necessary GCs */
if ((tmpPixmap = TSXCreatePixmap( display, rootWindow, 1, 1, 1 )))
{
BITMAP_monoGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
TSXSetGraphicsExposures( display, BITMAP_monoGC, False );
TSXFreePixmap( display, tmpPixmap );
}
if (screenDepth != 1)
{
if ((tmpPixmap = TSXCreatePixmap(display, rootWindow, 1,1,screenDepth)))
{
BITMAP_colorGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
TSXSetGraphicsExposures( display, BITMAP_colorGC, False );
TSXFreePixmap( display, tmpPixmap );
}
}
return TRUE;
}
/***********************************************************************
* X11DRV_BITMAP_SelectObject
*/
HBITMAP32 X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP32 hbitmap,
BITMAPOBJ * bmp )
{
HRGN32 hrgn;
HBITMAP32 prevHandle = dc->w.hBitmap;
if (!(dc->w.flags & DC_MEMORY)) return 0;
if (dc->w.hVisRgn)
SetRectRgn32( dc->w.hVisRgn, 0, 0,
bmp->bitmap.bmWidth, bmp->bitmap.bmHeight );
else
{
hrgn = CreateRectRgn32(0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight);
if (!hrgn) return 0;
dc->w.hVisRgn = hrgn;
}
dc->u.x.drawable = bmp->pixmap;
dc->w.hBitmap = hbitmap;
/* Change GC depth if needed */
if (dc->w.bitsPerPixel != bmp->bitmap.bmBitsPixel)
{
TSXFreeGC( display, dc->u.x.gc );
dc->u.x.gc = TSXCreateGC( display, dc->u.x.drawable, 0, NULL );
dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
DC_InitDC( dc );
}
else CLIPPING_UpdateGCRegion( dc ); /* Just update GC clip region */
return prevHandle;
}