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.pixmap_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 CDECL X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
92 X_PHYSBITMAP *physBitmap;
95 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
98 X11DRV_XRender_UpdateDrawable( physDev );
100 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
101 else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
103 physDev->bitmap = physBitmap;
104 physDev->drawable = physBitmap->pixmap;
105 physDev->color_shifts = physBitmap->trueColor ? &physBitmap->pixmap_color_shifts : NULL;
106 SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
107 physDev->dc_rect = physDev->drawable_rect;
109 /* Change GC depth if needed */
111 if (physDev->depth != physBitmap->pixmap_depth)
113 physDev->depth = physBitmap->pixmap_depth;
115 XFreeGC( gdi_display, physDev->gc );
116 physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
117 XSetGraphicsExposures( gdi_display, physDev->gc, False );
118 XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
119 XFlush( gdi_display );
127 /****************************************************************************
128 * CreateBitmap (X11DRV.@)
130 * Create a device dependent X11 bitmap
132 * Returns TRUE on success else FALSE
134 BOOL CDECL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
136 X_PHYSBITMAP *physBitmap;
139 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
141 /* Check parameters */
142 if (bitmap.bmPlanes != 1) return FALSE;
144 /* check if bpp is compatible with screen depth */
145 if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
147 WARN("Trying to make bitmap with planes=%d, bpp=%d\n",
148 bitmap.bmPlanes, bitmap.bmBitsPixel);
151 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
153 ERR( "called for stock bitmap, please report\n" );
157 TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
159 if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
161 /* Create the pixmap */
163 if(bitmap.bmBitsPixel == 1)
165 physBitmap->pixmap_depth = 1;
166 physBitmap->trueColor = FALSE;
170 physBitmap->pixmap_depth = screen_depth;
171 physBitmap->pixmap_color_shifts = X11DRV_PALETTE_default_shifts;
172 physBitmap->trueColor = (visual->class == TrueColor || visual->class == DirectColor);
174 physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
175 bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
177 if (!physBitmap->pixmap)
179 WARN("Can't create Pixmap\n");
180 HeapFree( GetProcessHeap(), 0, physBitmap );
184 if (bmBits) /* Set bitmap bits */
186 X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
188 else /* else clear the bitmap */
190 GC gc = get_bitmap_gc(physBitmap->pixmap_depth);
192 XSetFunction( gdi_display, gc, GXclear );
193 XFillRectangle( gdi_display, physBitmap->pixmap, gc, 0, 0,
194 bitmap.bmWidth, bitmap.bmHeight );
195 XSetFunction( gdi_display, gc, GXcopy );
202 /***********************************************************************
203 * GetBitmapBits (X11DRV.@)
206 * Success: Number of bytes copied
209 LONG CDECL X11DRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
212 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
215 LPBYTE tbuf, startline;
218 if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
220 TRACE("(bmp=%p, buffer=%p, count=0x%x)\n", hbitmap, buffer, count);
223 height = count / bitmap.bmWidthBytes;
224 image = XGetImage( gdi_display, physBitmap->pixmap, 0, 0,
225 bitmap.bmWidth, height, AllPlanes, ZPixmap );
227 /* copy XImage to 16 bit padded image buffer with real bitsperpixel */
230 switch (bitmap.bmBitsPixel)
233 for (h=0;h<height;h++)
237 for (w=0;w<bitmap.bmWidth;w++)
241 *tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
242 if ((w&7) == 7) ++tbuf;
244 startline += bitmap.bmWidthBytes;
248 for (h=0;h<height;h++)
251 for (w=0;w<bitmap.bmWidth;w++)
253 if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
254 else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
256 startline += bitmap.bmWidthBytes;
260 for (h=0;h<height;h++)
263 for (w=0;w<bitmap.bmWidth;w++)
264 *tbuf++ = XGetPixel(image,w,h);
265 startline += bitmap.bmWidthBytes;
270 for (h=0;h<height;h++)
273 for (w=0;w<bitmap.bmWidth;w++)
275 long pixel = XGetPixel(image,w,h);
277 *tbuf++ = pixel & 0xff;
278 *tbuf++ = (pixel>>8) & 0xff;
280 startline += bitmap.bmWidthBytes;
284 for (h=0;h<height;h++)
287 for (w=0;w<bitmap.bmWidth;w++)
289 long pixel = XGetPixel(image,w,h);
291 *tbuf++ = pixel & 0xff;
292 *tbuf++ = (pixel>> 8) & 0xff;
293 *tbuf++ = (pixel>>16) & 0xff;
295 startline += bitmap.bmWidthBytes;
300 for (h=0;h<height;h++)
303 for (w=0;w<bitmap.bmWidth;w++)
305 long pixel = XGetPixel(image,w,h);
307 *tbuf++ = pixel & 0xff;
308 *tbuf++ = (pixel>> 8) & 0xff;
309 *tbuf++ = (pixel>>16) & 0xff;
310 *tbuf++ = (pixel>>24) & 0xff;
312 startline += bitmap.bmWidthBytes;
316 FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
318 XDestroyImage( image );
325 /******************************************************************************
326 * SetBitmapBits (X11DRV.@)
329 * Success: Number of bytes used in setting the bitmap bits
332 LONG CDECL X11DRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
335 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
338 const BYTE *sbuf, *startline;
341 if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
343 TRACE("(bmp=%p, bits=%p, count=0x%x)\n", hbitmap, bits, count);
345 height = count / bitmap.bmWidthBytes;
348 image = XCreateImage( gdi_display, visual, physBitmap->pixmap_depth, ZPixmap, 0, NULL,
349 bitmap.bmWidth, height, 32, 0 );
350 if (!(image->data = HeapAlloc( GetProcessHeap(), 0, image->bytes_per_line * height )))
352 WARN("No memory to create image data.\n");
353 XDestroyImage( image );
358 /* copy 16 bit padded image buffer with real bitsperpixel to XImage */
362 switch (bitmap.bmBitsPixel)
365 for (h=0;h<height;h++)
368 for (w=0;w<bitmap.bmWidth;w++)
370 XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
374 startline += bitmap.bmWidthBytes;
378 for (h=0;h<height;h++)
381 for (w=0;w<bitmap.bmWidth;w++)
383 if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
384 else XPutPixel( image, w, h, *sbuf++ & 0xf );
386 startline += bitmap.bmWidthBytes;
390 for (h=0;h<height;h++)
393 for (w=0;w<bitmap.bmWidth;w++)
394 XPutPixel(image,w,h,*sbuf++);
395 startline += bitmap.bmWidthBytes;
400 for (h=0;h<height;h++)
403 for (w=0;w<bitmap.bmWidth;w++)
405 XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
408 startline += bitmap.bmWidthBytes;
412 for (h=0;h<height;h++)
415 for (w=0;w<bitmap.bmWidth;w++)
417 XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
420 startline += bitmap.bmWidthBytes;
424 for (h=0;h<height;h++)
427 for (w=0;w<bitmap.bmWidth;w++)
429 XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
432 startline += bitmap.bmWidthBytes;
436 FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
439 XPutImage( gdi_display, physBitmap->pixmap, get_bitmap_gc(physBitmap->pixmap_depth),
440 image, 0, 0, 0, 0, bitmap.bmWidth, height );
441 HeapFree( GetProcessHeap(), 0, image->data );
443 XDestroyImage( image );
448 /***********************************************************************
449 * DeleteBitmap (X11DRV.@)
451 BOOL CDECL X11DRV_DeleteBitmap( HBITMAP hbitmap )
453 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
459 if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
460 X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
462 if (physBitmap->glxpixmap)
463 destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
465 if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
466 XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
468 HeapFree( GetProcessHeap(), 0, physBitmap );
474 /***********************************************************************
475 * X11DRV_get_phys_bitmap
477 * Retrieve the X physical bitmap info.
479 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
484 if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
490 /***********************************************************************
491 * X11DRV_init_phys_bitmap
493 * Initialize the X physical bitmap info.
495 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
499 if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
501 ret->hbitmap = hbitmap;
503 XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
510 /***********************************************************************
513 * Retrieve the pixmap associated to a bitmap.
515 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
517 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
519 if (!physBitmap) return 0;
520 return physBitmap->pixmap;