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 GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
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 /***********************************************************************
42 void X11DRV_BITMAP_Init(void)
46 /* Create the necessary GCs */
49 bitmap_context = XUniqueContext();
50 BITMAP_stock_phys_bitmap.pixmap_depth = 1;
51 BITMAP_stock_phys_bitmap.pixmap = XCreatePixmap( gdi_display, root_window, 1, 1, 1 );
52 BITMAP_monoGC = XCreateGC( gdi_display, BITMAP_stock_phys_bitmap.pixmap, 0, NULL );
53 XSetGraphicsExposures( gdi_display, BITMAP_monoGC, False );
54 XSetSubwindowMode( gdi_display, BITMAP_monoGC, IncludeInferiors );
56 if (screen_depth != 1)
58 if ((tmpPixmap = XCreatePixmap( gdi_display, root_window, 1, 1, screen_depth )))
60 BITMAP_colorGC = XCreateGC( gdi_display, tmpPixmap, 0, NULL );
61 XSetGraphicsExposures( gdi_display, BITMAP_colorGC, False );
62 XSetSubwindowMode( gdi_display, BITMAP_colorGC, IncludeInferiors );
63 XFreePixmap( gdi_display, tmpPixmap );
69 /***********************************************************************
70 * SelectBitmap (X11DRV.@)
72 HBITMAP X11DRV_SelectBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap )
74 X_PHYSBITMAP *physBitmap;
77 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
80 X11DRV_XRender_UpdateDrawable( physDev );
82 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap) physBitmap = &BITMAP_stock_phys_bitmap;
83 else if (!(physBitmap = X11DRV_get_phys_bitmap( hbitmap ))) return 0;
85 physDev->bitmap = physBitmap;
86 physDev->drawable = physBitmap->pixmap;
87 SetRect( &physDev->drawable_rect, 0, 0, bitmap.bmWidth, bitmap.bmHeight );
88 physDev->dc_rect = physDev->drawable_rect;
90 /* Change GC depth if needed */
92 if (physDev->depth != physBitmap->pixmap_depth)
94 physDev->depth = physBitmap->pixmap_depth;
96 XFreeGC( gdi_display, physDev->gc );
97 physDev->gc = XCreateGC( gdi_display, physDev->drawable, 0, NULL );
98 XSetGraphicsExposures( gdi_display, physDev->gc, False );
99 XSetSubwindowMode( gdi_display, physDev->gc, IncludeInferiors );
100 XFlush( gdi_display );
107 /****************************************************************************
108 * CreateBitmap (X11DRV.@)
110 * Create a device dependent X11 bitmap
112 * Returns TRUE on success else FALSE
114 BOOL X11DRV_CreateBitmap( X11DRV_PDEVICE *physDev, HBITMAP hbitmap, LPVOID bmBits )
116 X_PHYSBITMAP *physBitmap;
119 if (!GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return FALSE;
121 /* Check parameters */
122 if (bitmap.bmPlanes != 1) return FALSE;
124 /* check if bpp is compatible with screen depth */
125 if (!((bitmap.bmBitsPixel == 1) || (bitmap.bmBitsPixel == screen_bpp)))
127 ERR("Trying to make bitmap with planes=%d, bpp=%d\n",
128 bitmap.bmPlanes, bitmap.bmBitsPixel);
131 if (hbitmap == BITMAP_stock_phys_bitmap.hbitmap)
133 ERR( "called for stock bitmap, please report\n" );
137 TRACE("(%p) %dx%d %d bpp\n", hbitmap, bitmap.bmWidth, bitmap.bmHeight, bitmap.bmBitsPixel);
139 if (!(physBitmap = X11DRV_init_phys_bitmap( hbitmap ))) return FALSE;
141 /* Create the pixmap */
143 physBitmap->pixmap_depth = (bitmap.bmBitsPixel == 1) ? 1 : screen_depth;
144 physBitmap->pixmap = XCreatePixmap(gdi_display, root_window,
145 bitmap.bmWidth, bitmap.bmHeight, physBitmap->pixmap_depth);
147 if (!physBitmap->pixmap)
149 WARN("Can't create Pixmap\n");
150 HeapFree( GetProcessHeap(), 0, physBitmap );
154 if (bmBits) /* Set bitmap bits */
156 X11DRV_SetBitmapBits( hbitmap, bmBits, bitmap.bmHeight * bitmap.bmWidthBytes );
158 else /* else clear the bitmap */
161 XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXclear );
162 XFillRectangle( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap), 0, 0,
163 bitmap.bmWidth, bitmap.bmHeight );
164 XSetFunction( gdi_display, BITMAP_GC(physBitmap), GXcopy );
171 /***********************************************************************
172 * GetBitmapBits (X11DRV.@)
175 * Success: Number of bytes copied
178 LONG X11DRV_GetBitmapBits( HBITMAP hbitmap, void *buffer, LONG count )
181 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
184 LPBYTE tbuf, startline;
187 if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
189 TRACE("(bmp=%p, buffer=%p, count=0x%x)\n", hbitmap, buffer, count);
192 height = count / bitmap.bmWidthBytes;
193 image = XGetImage( gdi_display, physBitmap->pixmap, 0, 0,
194 bitmap.bmWidth, height, AllPlanes, ZPixmap );
196 /* copy XImage to 16 bit padded image buffer with real bitsperpixel */
199 switch (bitmap.bmBitsPixel)
202 for (h=0;h<height;h++)
206 for (w=0;w<bitmap.bmWidth;w++)
210 *tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
211 if ((w&7) == 7) ++tbuf;
213 startline += bitmap.bmWidthBytes;
217 for (h=0;h<height;h++)
220 for (w=0;w<bitmap.bmWidth;w++)
222 if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
223 else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
225 startline += bitmap.bmWidthBytes;
229 for (h=0;h<height;h++)
232 for (w=0;w<bitmap.bmWidth;w++)
233 *tbuf++ = XGetPixel(image,w,h);
234 startline += bitmap.bmWidthBytes;
239 for (h=0;h<height;h++)
242 for (w=0;w<bitmap.bmWidth;w++)
244 long pixel = XGetPixel(image,w,h);
246 *tbuf++ = pixel & 0xff;
247 *tbuf++ = (pixel>>8) & 0xff;
249 startline += bitmap.bmWidthBytes;
253 for (h=0;h<height;h++)
256 for (w=0;w<bitmap.bmWidth;w++)
258 long pixel = XGetPixel(image,w,h);
260 *tbuf++ = pixel & 0xff;
261 *tbuf++ = (pixel>> 8) & 0xff;
262 *tbuf++ = (pixel>>16) & 0xff;
264 startline += bitmap.bmWidthBytes;
269 for (h=0;h<height;h++)
272 for (w=0;w<bitmap.bmWidth;w++)
274 long pixel = XGetPixel(image,w,h);
276 *tbuf++ = pixel & 0xff;
277 *tbuf++ = (pixel>> 8) & 0xff;
278 *tbuf++ = (pixel>>16) & 0xff;
279 *tbuf++ = (pixel>>24) & 0xff;
281 startline += bitmap.bmWidthBytes;
285 FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
287 XDestroyImage( image );
294 /******************************************************************************
295 * SetBitmapBits (X11DRV.@)
298 * Success: Number of bytes used in setting the bitmap bits
301 LONG X11DRV_SetBitmapBits( HBITMAP hbitmap, const void *bits, LONG count )
304 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
307 const BYTE *sbuf, *startline;
310 if (!physBitmap || !GetObjectW( hbitmap, sizeof(bitmap), &bitmap )) return 0;
312 TRACE("(bmp=%p, bits=%p, count=0x%x)\n", hbitmap, bits, count);
314 height = count / bitmap.bmWidthBytes;
317 image = XCreateImage( gdi_display, visual, physBitmap->pixmap_depth, ZPixmap, 0, NULL,
318 bitmap.bmWidth, height, 32, 0 );
319 if (!(image->data = malloc(image->bytes_per_line * height)))
321 WARN("No memory to create image data.\n");
322 XDestroyImage( image );
327 /* copy 16 bit padded image buffer with real bitsperpixel to XImage */
331 switch (bitmap.bmBitsPixel)
334 for (h=0;h<height;h++)
337 for (w=0;w<bitmap.bmWidth;w++)
339 XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
343 startline += bitmap.bmWidthBytes;
347 for (h=0;h<height;h++)
350 for (w=0;w<bitmap.bmWidth;w++)
352 if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
353 else XPutPixel( image, w, h, *sbuf++ & 0xf );
355 startline += bitmap.bmWidthBytes;
359 for (h=0;h<height;h++)
362 for (w=0;w<bitmap.bmWidth;w++)
363 XPutPixel(image,w,h,*sbuf++);
364 startline += bitmap.bmWidthBytes;
369 for (h=0;h<height;h++)
372 for (w=0;w<bitmap.bmWidth;w++)
374 XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
377 startline += bitmap.bmWidthBytes;
381 for (h=0;h<height;h++)
384 for (w=0;w<bitmap.bmWidth;w++)
386 XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
389 startline += bitmap.bmWidthBytes;
393 for (h=0;h<height;h++)
396 for (w=0;w<bitmap.bmWidth;w++)
398 XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
401 startline += bitmap.bmWidthBytes;
405 FIXME("Unhandled bits:%d\n", bitmap.bmBitsPixel);
408 XPutImage( gdi_display, physBitmap->pixmap, BITMAP_GC(physBitmap),
409 image, 0, 0, 0, 0, bitmap.bmWidth, height );
410 XDestroyImage( image ); /* frees image->data too */
415 /***********************************************************************
416 * DeleteBitmap (X11DRV.@)
418 BOOL X11DRV_DeleteBitmap( HBITMAP hbitmap )
420 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
426 if (GetObjectW( hbitmap, sizeof(dib), &dib ) == sizeof(dib))
427 X11DRV_DIB_DeleteDIBSection( physBitmap, &dib );
429 if (physBitmap->glxpixmap)
430 destroy_glxpixmap( gdi_display, physBitmap->glxpixmap );
432 if (physBitmap->pixmap) XFreePixmap( gdi_display, physBitmap->pixmap );
433 XDeleteContext( gdi_display, (XID)hbitmap, bitmap_context );
435 HeapFree( GetProcessHeap(), 0, physBitmap );
441 /***********************************************************************
442 * X11DRV_get_phys_bitmap
444 * Retrieve the X physical bitmap info.
446 X_PHYSBITMAP *X11DRV_get_phys_bitmap( HBITMAP hbitmap )
451 if (XFindContext( gdi_display, (XID)hbitmap, bitmap_context, (char **)&ret )) ret = NULL;
457 /***********************************************************************
458 * X11DRV_init_phys_bitmap
460 * Initialize the X physical bitmap info.
462 X_PHYSBITMAP *X11DRV_init_phys_bitmap( HBITMAP hbitmap )
466 if ((ret = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*ret) )) != NULL)
468 ret->hbitmap = hbitmap;
470 XSaveContext( gdi_display, (XID)hbitmap, bitmap_context, (char *)ret );
477 /***********************************************************************
480 * Retrieve the pixmap associated to a bitmap.
482 Pixmap X11DRV_get_pixmap( HBITMAP hbitmap )
484 X_PHYSBITMAP *physBitmap = X11DRV_get_phys_bitmap( hbitmap );
486 if (!physBitmap) return 0;
487 return physBitmap->pixmap;