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Sweden-Number/dlls/winex11.drv/bitmap.c

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/*
* X11DRV bitmap objects
*
* Copyright 1993 Alexandre Julliard
* 1999 Noel Borthwick
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include "windef.h"
#include "wingdi.h"
#include "wine/debug.h"
#include "x11drv.h"
WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
/* GCs used for B&W and color bitmap operations */
static GC bitmap_gc[32];
X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 }; /* phys bitmap for the default stock bitmap */
static XContext bitmap_context; /* X context to associate a phys bitmap to a handle */
GC get_bitmap_gc(int depth)
{
if(depth < 1 || depth > 32)
return 0;
return bitmap_gc[depth-1];
}
/***********************************************************************
* X11DRV_BITMAP_Init
*/
void X11DRV_BITMAP_Init(void)
{
int depth_count, index, i;
int *depth_list;
Pixmap tmpPixmap;
wine_tsx11_lock();
bitmap_context = XUniqueContext();
BITMAP_stock_phys_bitmap.depth = 1;
BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
bitmap_gc[0] = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
XSetGraphicsExposures( gdi_display, bitmap_gc[0], False );
XSetSubwindowMode( gdi_display, bitmap_gc[0], IncludeInferiors );
/* Create a GC for all available depths. GCs at depths other than 1-bit/screen_depth are for use
* in combination with XRender which allows us to create dibsections at more depths.
*/
depth_list = XListDepths(gdi_display, DefaultScreen(gdi_display), &depth_count);
for (i = 0; i < depth_count; i++)
{
index = depth_list[i] - 1;
if (bitmap_gc[index]) continue;
if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, depth_list[i])))
{
if ((bitmap_gc[index] = XCreateGC( gdi_display, tmpPixmap, 0, NULL )))
{
XSetGraphicsExposures( gdi_display, bitmap_gc[index], False );
XSetSubwindowMode( gdi_display, bitmap_gc[index], IncludeInferiors );
}
XFreePixmap( gdi_display, tmpPixmap );
}
}
XFree( depth_list );
wine_tsx11_unlock();
}
/***********************************************************************
* SelectBitmap (X11DRV.@)
*/
HBITMAP X11DRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
{
X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
X_PHYSBITMAP *physBitmap;
BITMAP bitmap;
if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
physDev->bitmap = physBitmap;
physDev->drawable = physBitmap->pixmap;
physDev->color_shifts = physBitmap->trueColor ? &physBitmap->color_shifts : NULL;
SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
physDev->dc_rect = physDev->drawable_rect;
/* Change GC depth if needed */
if (physDev->depth != physBitmap->depth)
{
physDev->depth = physBitmap->depth;
wine_tsx11_lock();
XFreeGC( gdi_display, physDev->gc );
physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
XSetGraphicsExposures( gdi_display, physDev->gc, False );
XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
XFlush( gdi_display );
wine_tsx11_unlock();
}
return hbitmap;
}
/***********************************************************************
* X11DRV_create_phys_bitmap
*/
BOOL X11DRV_create_phys_bitmap( HBITMAP hbitmap, const BITMAP *bitmap, int depth,
int true_color, const ColorShifts *shifts )
{
X_PHYSBITMAP *physBitmap;
if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
physBitmap->depth = depth;
physBitmap->trueColor = true_color;
if (true_color) physBitmap->color_shifts = *shifts;
wine_tsx11_lock();
physBitmap->pixmap = XCreatePixmap( gdi_display, root_window,
bitmap->bmWidth, bitmap->bmHeight, physBitmap->depth );
if (physBitmap->pixmap)
{
GC gc = get_bitmap_gc( depth );
XSetFunction( gdi_display, gc, GXclear );
XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap->bmWidth, bitmap->bmHeight );
XSetFunction( gdi_display, gc, GXcopy );
}
wine_tsx11_unlock();
if (!physBitmap->pixmap)
{
WARN("Can't create Pixmap\n");
HeapFree( GetProcessHeap(), 0, physBitmap );
return FALSE;
}
return TRUE;
}
/****************************************************************************
* CreateBitmap (X11DRV.@)
*
* Create a device dependent X11 bitmap
*
* Returns TRUE on success else FALSE
*/
BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
{
BITMAP bitmap;
if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
/* Check parameters */
if (bitmap.bmPlanes != 1) return FALSE;
/* check if bpp is compatible with screen depth */
if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
{
WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
bitmap.bmPlanes, bitmap.bmBitsPixel);
return FALSE;
}
TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
if (bitmap.bmBitsPixel == 1)
{
if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
{
ERR( "called for stock bitmap, please report\n" );
return FALSE;
}
return X11DRV_create_phys_bitmap( hbitmap, &bitmap, 1, FALSE, NULL );
}
return X11DRV_create_phys_bitmap( hbitmap, &bitmap, screen_depth,
(visual->class == TrueColor || visual->class == DirectColor),
&X11DRV_PALETTE_default_shifts );
}
/***********************************************************************
* DeleteBitmap (X11DRV.@)
*/
BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
{
X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
if (physBitmap)
{
DIBSECTION dib;
if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
if (physBitmap->glxpixmap)
destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
wine_tsx11_lock();
if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
wine_tsx11_unlock();
HeapFree( GetProcessHeap(), 0, physBitmap );
}
return TRUE;
}
/***********************************************************************
* X11DRV_get_phys_bitmap
*
* Retrieve the X physical bitmap info.
*/
X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
{
X_PHYSBITMAP *ret;
wine_tsx11_lock();
if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
wine_tsx11_unlock();
return ret;
}
/***********************************************************************
* X11DRV_init_phys_bitmap
*
* Initialize the X physical bitmap info.
*/
X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
{
X_PHYSBITMAP *ret;
if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
{
ret->hbitmap = hbitmap;
wine_tsx11_lock();
XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
wine_tsx11_unlock();
}
return ret;
}
/***********************************************************************
* X11DRV_get_pixmap
*
* Retrieve the pixmap associated to a bitmap.
*/
Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
{
X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
if (!physBitmap) return 0;
return physBitmap->pixmap;
}
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