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

300 lines
9.5 KiB
C

/*
* 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
*/
X_PHYSBITMAP *X11DRV_create_phys_bitmap( HBITMAP hbitmap, const BITMAP *bitmap, int depth )
{
X_PHYSBITMAP *physBitmap;
if (bitmap->bmWidth > 65535 || bitmap->bmHeight > 65535 || bitmap->bmPlanes != 1 ||
(bitmap->bmBitsPixel != 1 && bitmap->bmBitsPixel != screen_bpp))
{
WARN( "Trying to create invalid pixmap %dx%d planes %d bpp %d\n",
bitmap->bmWidth, bitmap->bmHeight, bitmap->bmPlanes, bitmap->bmBitsPixel );
return NULL;
}
if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return NULL;
physBitmap->depth = depth;
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 NULL;
}
TRACE( "(%p) %dx%d %d bpp -> %lx\n",
hbitmap, bitmap->bmWidth, bitmap->bmHeight, bitmap->bmBitsPixel, physBitmap->pixmap );
return physBitmap;
}
/****************************************************************************
* CreateBitmap (X11DRV.@)
*
* Create a device dependent X11 bitmap
*
* Returns TRUE on success else FALSE
*/
BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
{
BITMAP bitmap;
X_PHYSBITMAP *phys_bitmap;
if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
if (bitmap.bmBitsPixel == 1)
{
if (!(phys_bitmap = X11DRV_create_phys_bitmap( hbitmap, &bitmap, 1 ))) return FALSE;
phys_bitmap->trueColor = FALSE;
}
else
{
if (!(phys_bitmap = X11DRV_create_phys_bitmap( hbitmap, &bitmap, screen_depth ))) return FALSE;
phys_bitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
phys_bitmap->color_shifts = X11DRV_PALETTE_default_shifts;
}
return TRUE;
}
/****************************************************************************
* CopyBitmap (X11DRV.@)
*/
BOOL X11DRV_CopyBitmap( HBITMAP src, HBITMAP dst )
{
X_PHYSBITMAP *phys_src, *phys_dst;
BITMAP bitmap;
if (!(phys_src = X11DRV_get_phys_bitmap( src ))) return FALSE;
if (!GetObjectW( dst, sizeof(bitmap), &bitmap )) return FALSE;
TRACE("%p->%p %dx%d %d bpp\n", src, dst, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
if (!(phys_dst = X11DRV_init_phys_bitmap( dst ))) return FALSE;
phys_dst->depth = phys_src->depth;
phys_dst->format = phys_src->format;
phys_dst->trueColor = phys_src->trueColor;
if (phys_dst->trueColor) phys_dst->color_shifts = phys_src->color_shifts;
wine_tsx11_lock();
phys_dst->pixmap = XCreatePixmap( gdi_display, root_window,
bitmap.bmWidth, bitmap.bmHeight, phys_dst->depth );
XCopyArea( gdi_display, phys_src->pixmap, phys_dst->pixmap,
get_bitmap_gc(phys_dst->depth), 0, 0, bitmap.bmWidth, bitmap.bmHeight, 0, 0 );
wine_tsx11_unlock();
if (!phys_dst->pixmap)
{
WARN("Can't create Pixmap\n");
HeapFree( GetProcessHeap(), 0, phys_dst );
return FALSE;
}
return TRUE;
}
/***********************************************************************
* DeleteBitmap (X11DRV.@)
*/
BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
{
X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
if (physBitmap)
{
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;
}