2 * X11DRV bitmap objects
4 * Copyright 1993 Alexandre Julliard
20 /* GCs used for B&W and color bitmap operations */
21 GC BITMAP_monoGC = 0, BITMAP_colorGC = 0;
24 /***********************************************************************
27 BOOL32 X11DRV_BITMAP_Init(void)
31 /* Create the necessary GCs */
33 if ((tmpPixmap = TSXCreatePixmap( display, rootWindow, 1, 1, 1 )))
35 BITMAP_monoGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
36 TSXSetGraphicsExposures( display, BITMAP_monoGC, False );
37 TSXFreePixmap( display, tmpPixmap );
42 if ((tmpPixmap = TSXCreatePixmap(display, rootWindow, 1,1,screenDepth)))
44 BITMAP_colorGC = TSXCreateGC( display, tmpPixmap, 0, NULL );
45 TSXSetGraphicsExposures( display, BITMAP_colorGC, False );
46 TSXFreePixmap( display, tmpPixmap );
52 /***********************************************************************
53 * X11DRV_BITMAP_SelectObject
55 HBITMAP32 X11DRV_BITMAP_SelectObject( DC * dc, HBITMAP32 hbitmap,
59 HBITMAP32 prevHandle = dc->w.hBitmap;
60 X11DRV_PHYSBITMAP *pbitmap;
61 X11DRV_PDEVICE *physDev = (X11DRV_PDEVICE *)dc->physDev;
64 if (!(dc->w.flags & DC_MEMORY)) return 0;
67 if(!X11DRV_CreateBitmap(hbitmap))
70 if(bmp->DDBitmap->funcs != dc->funcs) {
71 WARN(x11drv, "Trying to select non-X11 DDB into an X11 dc\n");
75 pbitmap = bmp->DDBitmap->physBitmap;
77 dc->w.totalExtent.left = 0;
78 dc->w.totalExtent.top = 0;
79 dc->w.totalExtent.right = bmp->bitmap.bmWidth;
80 dc->w.totalExtent.bottom = bmp->bitmap.bmHeight;
83 SetRectRgn32( dc->w.hVisRgn, 0, 0,
84 bmp->bitmap.bmWidth, bmp->bitmap.bmHeight );
87 hrgn = CreateRectRgn32(0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight);
92 physDev->drawable = pbitmap->pixmap;
93 dc->w.hBitmap = hbitmap;
95 /* Change GC depth if needed */
97 if (dc->w.bitsPerPixel != bmp->bitmap.bmBitsPixel)
99 TSXFreeGC( display, physDev->gc );
100 physDev->gc = TSXCreateGC( display, physDev->drawable, 0, NULL );
101 dc->w.bitsPerPixel = bmp->bitmap.bmBitsPixel;
104 else CLIPPING_UpdateGCRegion( dc ); /* Just update GC clip region */
109 /***********************************************************************
112 * Wrapper to call XPutImage with CALL_LARGE_STACK.
115 struct XPutImage_descr
123 static int XPutImage_wrapper( const struct XPutImage_descr *descr )
125 return XPutImage( display,
126 ((X11DRV_PHYSBITMAP *)descr->bmp->DDBitmap->physBitmap)->pixmap,
127 BITMAP_GC(descr->bmp),
128 descr->image, 0, 0, 0, 0, descr->width, descr->height );
132 /***************************************************************************
136 * Allocate DDBitmap and physBitmap
139 X11DRV_PHYSBITMAP *X11DRV_AllocBitmap( BITMAPOBJ *bmp )
141 X11DRV_PHYSBITMAP *pbitmap;
143 if(!(bmp->DDBitmap = HeapAlloc(GetProcessHeap(), 0, sizeof(DDBITMAP)))) {
144 WARN(x11drv, "Can't alloc DDBITMAP\n");
148 if(!(pbitmap = HeapAlloc(GetProcessHeap(), 0,sizeof(X11DRV_PHYSBITMAP)))) {
149 WARN(x11drv, "Can't alloc X11DRV_PHYSBITMAP\n");
150 HeapFree(GetProcessHeap(), 0, bmp->DDBitmap);
154 bmp->DDBitmap->physBitmap = pbitmap;
155 bmp->DDBitmap->funcs = DRIVER_FindDriver( "DISPLAY" );
160 /****************************************************************************
162 * X11DRV_CreateBitmap
164 * Create a device dependent X11 bitmap
166 * Returns TRUE on success else FALSE
170 BOOL32 X11DRV_CreateBitmap( HBITMAP32 hbitmap )
172 X11DRV_PHYSBITMAP *pbitmap;
173 BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
176 WARN(x11drv, "Bad bitmap handle %08x\n", hbitmap);
180 /* Check parameters */
181 if (bmp->bitmap.bmPlanes != 1) return 0;
182 if ((bmp->bitmap.bmBitsPixel != 1) &&
183 (bmp->bitmap.bmBitsPixel != screenDepth)) {
184 ERR(x11drv, "Trying to make bitmap with planes=%d, bpp=%d\n",
185 bmp->bitmap.bmPlanes, bmp->bitmap.bmBitsPixel);
186 GDI_HEAP_UNLOCK( hbitmap );
190 TRACE(x11drv, "(%08x) %dx%d %d bpp\n", hbitmap, bmp->bitmap.bmWidth,
191 bmp->bitmap.bmHeight, bmp->bitmap.bmBitsPixel);
193 pbitmap = X11DRV_AllocBitmap( bmp );
194 if(!pbitmap) return FALSE;
196 /* Create the pixmap */
197 pbitmap->pixmap = TSXCreatePixmap(display, rootWindow, bmp->bitmap.bmWidth,
198 bmp->bitmap.bmHeight, bmp->bitmap.bmBitsPixel);
199 if (!pbitmap->pixmap) {
200 WARN(x11drv, "Can't create Pixmap\n");
201 HeapFree(GetProcessHeap(), 0, bmp->DDBitmap->physBitmap);
202 HeapFree(GetProcessHeap(), 0, bmp->DDBitmap);
203 GDI_HEAP_UNLOCK( hbitmap );
207 if (bmp->bitmap.bmBits) /* Set bitmap bits */
208 X11DRV_BitmapBits( hbitmap, bmp->bitmap.bmBits,
209 bmp->bitmap.bmHeight * bmp->bitmap.bmWidthBytes,
212 GDI_HEAP_UNLOCK( hbitmap );
217 /***********************************************************************
218 * X11DRV_BITMAP_GetXImage
220 * Get an X image for a bitmap. For use with CALL_LARGE_STACK.
222 XImage *X11DRV_BITMAP_GetXImage( const BITMAPOBJ *bmp )
224 return XGetImage( display,
225 ((X11DRV_PHYSBITMAP *)bmp->DDBitmap->physBitmap)->pixmap,
226 0, 0, bmp->bitmap.bmWidth, bmp->bitmap.bmHeight,
227 AllPlanes, ZPixmap );
231 /***********************************************************************
232 * X11DRV_GetBitmapBits
235 * Success: Number of bytes copied
238 static LONG X11DRV_GetBitmapBits(BITMAPOBJ *bmp, void *buffer, LONG count)
240 LONG old_height, height;
245 TRACE(x11drv, "(bmp=%p, buffer=%p, count=0x%lx)\n", bmp, buffer, count);
247 pad = BITMAP_GetPadding(bmp->bitmap.bmWidth, bmp->bitmap.bmBitsPixel);
252 EnterCriticalSection( &X11DRV_CritSection );
254 /* Hack: change the bitmap height temporarily to avoid */
255 /* getting unnecessary bitmap rows. */
257 old_height = bmp->bitmap.bmHeight;
258 height = bmp->bitmap.bmHeight = count / bmp->bitmap.bmWidthBytes;
260 image = (XImage *)CALL_LARGE_STACK( X11DRV_BITMAP_GetXImage, bmp );
262 bmp->bitmap.bmHeight = old_height;
264 /* copy XImage to 16 bit padded image buffer with real bitsperpixel */
267 switch (bmp->bitmap.bmBitsPixel)
270 for (h=0;h<height;h++)
273 for (w=0;w<bmp->bitmap.bmWidth;w++)
277 *tbuf |= XGetPixel(image,w,h)<<(7-(w&7));
278 if ((w&7) == 7) ++tbuf;
284 for (h=0;h<height;h++)
286 for (w=0;w<bmp->bitmap.bmWidth;w++)
288 if (!(w & 1)) *tbuf = XGetPixel( image, w, h) << 4;
289 else *tbuf++ |= XGetPixel( image, w, h) & 0x0f;
295 for (h=0;h<height;h++)
297 for (w=0;w<bmp->bitmap.bmWidth;w++)
298 *tbuf++ = XGetPixel(image,w,h);
304 for (h=0;h<height;h++)
306 for (w=0;w<bmp->bitmap.bmWidth;w++)
308 long pixel = XGetPixel(image,w,h);
310 *tbuf++ = pixel & 0xff;
311 *tbuf++ = (pixel>>8) & 0xff;
316 for (h=0;h<height;h++)
318 for (w=0;w<bmp->bitmap.bmWidth;w++)
320 long pixel = XGetPixel(image,w,h);
322 *tbuf++ = pixel & 0xff;
323 *tbuf++ = (pixel>> 8) & 0xff;
324 *tbuf++ = (pixel>>16) & 0xff;
331 for (h=0;h<height;h++)
333 for (w=0;w<bmp->bitmap.bmWidth;w++)
335 long pixel = XGetPixel(image,w,h);
337 *tbuf++ = pixel & 0xff;
338 *tbuf++ = (pixel>> 8) & 0xff;
339 *tbuf++ = (pixel>>16) & 0xff;
340 *tbuf++ = (pixel>>24) & 0xff;
346 FIXME(x11drv, "Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
348 XDestroyImage( image );
349 LeaveCriticalSection( &X11DRV_CritSection );
356 /******************************************************************************
357 * X11DRV_SetBitmapBits
360 * Success: Number of bytes used in setting the bitmap bits
363 static LONG X11DRV_SetBitmapBits(BITMAPOBJ *bmp, void *bits, LONG count)
365 struct XPutImage_descr descr;
371 TRACE(x11drv, "(bmp=%p, bits=%p, count=0x%lx)\n", bmp, bits, count);
373 pad = BITMAP_GetPadding(bmp->bitmap.bmWidth, bmp->bitmap.bmBitsPixel);
380 height = count / bmp->bitmap.bmWidthBytes;
382 EnterCriticalSection( &X11DRV_CritSection );
383 image = XCreateImage( display, DefaultVisualOfScreen(screen),
384 bmp->bitmap.bmBitsPixel, ZPixmap, 0, NULL,
385 bmp->bitmap.bmWidth, height, 32, 0 );
386 image->data = (LPBYTE)xmalloc(image->bytes_per_line * height);
388 /* copy 16 bit padded image buffer with real bitsperpixel to XImage */
390 switch (bmp->bitmap.bmBitsPixel)
393 for (h=0;h<height;h++)
395 for (w=0;w<bmp->bitmap.bmWidth;w++)
397 XPutPixel(image,w,h,(sbuf[0]>>(7-(w&7))) & 1);
405 for (h=0;h<height;h++)
407 for (w=0;w<bmp->bitmap.bmWidth;w++)
409 if (!(w & 1)) XPutPixel( image, w, h, *sbuf >> 4 );
410 else XPutPixel( image, w, h, *sbuf++ & 0xf );
416 for (h=0;h<height;h++)
418 for (w=0;w<bmp->bitmap.bmWidth;w++)
419 XPutPixel(image,w,h,*sbuf++);
425 for (h=0;h<height;h++)
427 for (w=0;w<bmp->bitmap.bmWidth;w++)
429 XPutPixel(image,w,h,sbuf[1]*256+sbuf[0]);
435 for (h=0;h<height;h++)
437 for (w=0;w<bmp->bitmap.bmWidth;w++)
439 XPutPixel(image,w,h,(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
446 for (h=0;h<height;h++)
448 for (w=0;w<bmp->bitmap.bmWidth;w++)
450 XPutPixel(image,w,h,(sbuf[3]<<24)+(sbuf[2]<<16)+(sbuf[1]<<8)+sbuf[0]);
457 FIXME(x11drv, "Unhandled bits:%d\n", bmp->bitmap.bmBitsPixel);
463 descr.width = bmp->bitmap.bmWidth;
464 descr.height = height;
466 CALL_LARGE_STACK( XPutImage_wrapper, &descr );
467 XDestroyImage( image ); /* frees image->data too */
468 LeaveCriticalSection( &X11DRV_CritSection );
473 /***********************************************************************
476 LONG X11DRV_BitmapBits(HBITMAP32 hbitmap, void *bits, LONG count, WORD flags)
478 BITMAPOBJ *bmp = (BITMAPOBJ *) GDI_GetObjPtr( hbitmap, BITMAP_MAGIC );
481 WARN(x11drv, "Bad bitmap handle %08x\n", hbitmap);
486 ret = X11DRV_GetBitmapBits(bmp, bits, count);
487 else if(flags == DDB_SET)
488 ret = X11DRV_SetBitmapBits(bmp, bits, count);
490 ERR(x11drv, "Unknown flags value %d\n", flags);
494 GDI_HEAP_UNLOCK( hbitmap );
498 /***********************************************************************
499 * X11DRV_BITMAP_DeleteObject
501 BOOL32 X11DRV_BITMAP_DeleteObject( HBITMAP32 hbitmap, BITMAPOBJ * bmp )
503 X11DRV_PHYSBITMAP *pbitmap = bmp->DDBitmap->physBitmap;
505 TSXFreePixmap( display, pbitmap->pixmap );
507 HeapFree( GetProcessHeap(), 0, bmp->DDBitmap->physBitmap );
508 HeapFree( GetProcessHeap(), 0, bmp->DDBitmap );
509 bmp->DDBitmap = NULL;