2 * X11DRV bitmap objects
4 * Copyright 1993 Alexandre Julliard
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
28 #include "wine/debug.h"
31 WINE_DEFAULT_DEBUG_CHANNEL(x11drv);
33 /* GCs used for B&W and color bitmap operations */
34 static GC bitmap_gc[32];
35 X_PHYSBITMAP BITMAP_stock_phys_bitmap = { 0 }; /* phys bitmap for the default stock bitmap */
37 static XContext bitmap_context; /* X context to associate a phys bitmap to a handle */
39 static GC get_bitmap_gc(int depth)
41 if(depth < 1 || depth > 32)
44 return bitmap_gc[depth-1];
47 /***********************************************************************
50 void X11DRV_BITMAP_Init(void)
52 int depth_count, index, i;
57 bitmap_context = XUniqueContext();
58 BITMAP_stock_phys_bitmap.depth = 1;
59 BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
60 bitmap_gc[0] = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
61 XSetGraphicsExposures( gdi_display, bitmap_gc[0], False );
62 XSetSubwindowMode( gdi_display, bitmap_gc[0], IncludeInferiors );
64 /* Create a GC for all available depths. GCs at depths other than 1-bit/screen_depth are for use
65 * in combination with XRender which allows us to create dibsections at more depths.
67 depth_list = XListDepths(gdi_display, DefaultScreen(gdi_display), &depth_count);
68 for (i = 0; i < depth_count; i++)
70 index = depth_list[i] - 1;
71 if (bitmap_gc[index]) continue;
72 if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, depth_list[i])))
74 if ((bitmap_gc[index] = XCreateGC( gdi_display, tmpPixmap, 0, NULL )))
76 XSetGraphicsExposures( gdi_display, bitmap_gc[index], False );
77 XSetSubwindowMode( gdi_display, bitmap_gc[index], IncludeInferiors );
79 XFreePixmap( gdi_display, tmpPixmap );
87 /***********************************************************************
88 * SelectBitmap (X11DRV.@)
90 HBITMAP X11DRV_SelectBitmap( PHYSDEV dev, HBITMAP hbitmap )
92 X11DRV_PDEVICE *physDev = get_x11drv_dev( dev );
93 X_PHYSBITMAP *physBitmap;
96 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
98 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
99 else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
101 physDev->bitmap = physBitmap;
102 physDev->drawable = physBitmap->pixmap;
103 physDev->color_shifts = physBitmap->trueColor ? &physBitmap->color_shifts : NULL;
104 SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
105 physDev->dc_rect = physDev->drawable_rect;
107 /* Change GC depth if needed */
109 if (physDev->depth != physBitmap->depth)
111 physDev->depth = physBitmap->depth;
113 XFreeGC( gdi_display, physDev->gc );
114 physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
115 XSetGraphicsExposures( gdi_display, physDev->gc, False );
116 XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
117 XFlush( gdi_display );
125 /***********************************************************************
126 * X11DRV_create_phys_bitmap
128 X_PHYSBITMAP *X11DRV_create_phys_bitmap( HBITMAP hbitmap, const BITMAP *bitmap, int depth )
130 X_PHYSBITMAP *physBitmap;
132 if (bitmap->bmWidth > 65535 || bitmap->bmHeight > 65535 || bitmap->bmPlanes != 1 ||
133 (bitmap->bmBitsPixel != 1 && bitmap->bmBitsPixel != screen_bpp))
135 WARN( "Trying to create invalid pixmap %dx%d planes %d bpp %d\n",
136 bitmap->bmWidth, bitmap->bmHeight, bitmap->bmPlanes, bitmap->bmBitsPixel );
140 if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return NULL;
142 physBitmap->depth = depth;
145 physBitmap->pixmap = XCreatePixmap( gdi_display, root_window,
146 bitmap->bmWidth, bitmap->bmHeight, physBitmap->depth );
147 if (physBitmap->pixmap)
149 GC gc = get_bitmap_gc( depth );
150 XSetFunction( gdi_display, gc, GXclear );
151 XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap->bmWidth, bitmap->bmHeight );
152 XSetFunction( gdi_display, gc, GXcopy );
155 if (!physBitmap->pixmap)
157 WARN("Can't create Pixmap\n");
158 HeapFree( GetProcessHeap(), 0, physBitmap );
161 TRACE( "(%p) %dx%d %d bpp -> %lx\n",
162 hbitmap, bitmap->bmWidth, bitmap->bmHeight, bitmap->bmBitsPixel, physBitmap->pixmap );
167 /***********************************************************************
168 * X11DRV_get_phys_bitmap
170 * Retrieve the X physical bitmap info.
172 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
177 if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
183 /***********************************************************************
184 * X11DRV_init_phys_bitmap
186 * Initialize the X physical bitmap info.
188 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
192 if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
194 ret->hbitmap = hbitmap;
196 XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
203 /***********************************************************************
206 * Retrieve the pixmap associated to a bitmap.
208 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
210 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
212 if (!physBitmap) return 0;
213 return physBitmap->pixmap;