82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
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/*
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* GDI bitmap objects
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*
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* Copyright 1993 Alexandre Julliard
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include "gdi.h"
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#include "callback.h"
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#include "dc.h"
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#include "bitmap.h"
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#include "heap.h"
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#include "stddebug.h"
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#include "debug.h"
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/***********************************************************************
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* X11DRV_BITMAP_Init
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*/
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BOOL32 X11DRV_BITMAP_Init(void)
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{
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Pixmap tmpPixmap;
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/* Create the necessary GCs */
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if ((tmpPixmap = XCreatePixmap( display, rootWindow, 1, 1, 1 )))
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{
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BITMAP_monoGC = XCreateGC( display, tmpPixmap, 0, NULL );
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XSetGraphicsExposures( display, BITMAP_monoGC, False );
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XFreePixmap( display, tmpPixmap );
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}
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if (screenDepth != 1)
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{
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if ((tmpPixmap = XCreatePixmap(display, rootWindow, 1,1,screenDepth)))
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{
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BITMAP_colorGC = XCreateGC( display, tmpPixmap, 0, NULL );
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XSetGraphicsExposures( display, BITMAP_colorGC, False );
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XFreePixmap( display, tmpPixmap );
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}
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}
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return TRUE;
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}
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/***********************************************************************
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* X11DRV_BITMAP_SelectObject
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*/
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HBITMAP32 X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP32 hbitmap,
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BITMAPOBJ * bmp )
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{
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HRGN32 hrgn;
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HBITMAP32 prevHandle = dc->w.hBitmap;
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if (!(dc->w.flags & DC_MEMORY)) return 0;
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if (dc->w.hVisRgn)
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SetRectRgn(dc->w.hVisRgn, 0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight );
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else
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{
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hrgn = CreateRectRgn32(0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight);
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if (!hrgn) return 0;
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dc->w.hVisRgn = hrgn;
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}
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dc->u.x.drawable = bmp->pixmap;
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dc->w.hBitmap = hbitmap;
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/* Change GC depth if needed */
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if (dc->w.bitsPerPixel != bmp->bitmap.bmBitsPixel)
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{
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XFreeGC( display, dc->u.x.gc );
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dc->u.x.gc = XCreateGC( display, dc->u.x.drawable, 0, NULL );
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dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
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DC_InitDC( dc );
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}
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else CLIPPING_UpdateGCRegion( dc ); /* Just update GC clip region */
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return prevHandle;
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}
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