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 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 BOOL X11DRV_create_phys_bitmap( HBITMAP hbitmap, const BITMAP *bitmap, int depth,
129 int true_color, const ColorShifts *shifts )
131 X_PHYSBITMAP *physBitmap;
133 if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
135 physBitmap->depth = depth;
136 physBitmap->trueColor = true_color;
137 if (true_color) physBitmap->color_shifts = *shifts;
140 physBitmap->pixmap = XCreatePixmap( gdi_display, root_window,
141 bitmap->bmWidth, bitmap->bmHeight, physBitmap->depth );
142 if (physBitmap->pixmap)
144 GC gc = get_bitmap_gc( depth );
145 XSetFunction( gdi_display, gc, GXclear );
146 XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0, bitmap->bmWidth, bitmap->bmHeight );
147 XSetFunction( gdi_display, gc, GXcopy );
150 if (!physBitmap->pixmap)
152 WARN("Can't create Pixmap\n");
153 HeapFree( GetProcessHeap(), 0, physBitmap );
160 /****************************************************************************
161 * CreateBitmap (X11DRV.@)
163 * Create a device dependent X11 bitmap
165 * Returns TRUE on success else FALSE
167 BOOL X11DRV_CreateBitmap( PHYSDEV dev, HBITMAP hbitmap )
171 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
173 /* Check parameters */
174 if (bitmap.bmPlanes != 1) return FALSE;
176 /* check if bpp is compatible with screen depth */
177 if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
179 WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
180 bitmap.bmPlanes, bitmap.bmBitsPixel);
184 TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
186 if (bitmap.bmBitsPixel == 1)
188 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
190 ERR( "called for stock bitmap, please report\n" );
193 return X11DRV_create_phys_bitmap( hbitmap, &bitmap, 1, FALSE, NULL );
196 return X11DRV_create_phys_bitmap( hbitmap, &bitmap, screen_depth,
197 (visual->class == TrueColor || visual->class == DirectColor),
198 &X11DRV_PALETTE_default_shifts );
202 /***********************************************************************
203 * DeleteBitmap (X11DRV.@)
205 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
207 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
213 if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
214 X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
216 if (physBitmap->glxpixmap)
217 destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
219 if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
220 XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
222 HeapFree( GetProcessHeap(), 0, physBitmap );
228 /***********************************************************************
229 * X11DRV_get_phys_bitmap
231 * Retrieve the X physical bitmap info.
233 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
238 if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
244 /***********************************************************************
245 * X11DRV_init_phys_bitmap
247 * Initialize the X physical bitmap info.
249 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
253 if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
255 ret->hbitmap = hbitmap;
257 XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
264 /***********************************************************************
267 * Retrieve the pixmap associated to a bitmap.
269 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
271 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
273 if (!physBitmap) return 0;
274 return physBitmap->pixmap;