[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC

…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	---------------------------------------------------------------------/	23	---------------------------------------------------------------------/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat \| CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
51	if (pixbuf)	64	if (pixbuf)
52	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
53	#endif	66	#endif
54		67
…		…
107		120
108	return false;	121	return false;
109	}	122	}
110		123
111	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	125	static inline int
147	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
148	{	127	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
153	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	130	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	132	else
157	return (align + 100) * smaller / 100 - image_size;	133	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	134	}
160		135
161	static inline int	136	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	138	{
…		…
169	src_pos = -pos;	144	src_pos = -pos;
170	dst_pos = 0;	145	dst_pos = 0;
171	dst_size += pos;	146	dst_size += pos;
172	}	147	}
173		148
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	150	return src_pos;
177	}	151	}
178		152
179	bool	153	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
181	{	155	{
182	bool changed = false;	156	bool changed = false;
183	int geom_flags = 0;	157	int geom_flags = 0;
184	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
185	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
187		163
188	if (geom == NULL)	164	if (geom == NULL)
189	return false;	165	return false;
190		166
191	if (geom[0])	167	if (geom[0])
…		…
201	x = y = 0;	177	x = y = 0;
202	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
203	}	179	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{	181	{
206	new_flags = BG_PROP_SCALE;	182	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;	183	w = h = windowScale;
208	x = y = centerAlign;	184	x = y = centerAlign;
209	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
210	}	186	}
211	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
227	w = h = noScale;	203	w = h = noScale;
228	geom_flags = WidthValue\|HeightValue;	204	geom_flags = WidthValue\|HeightValue;
229	}	205	}
230	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags \|= BG_TILE;	207	new_flags \|= BG_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags \|= BG_PROP_SCALE;	209	new_flags \|= BG_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags \|= BG_ROOT_ALIGN;	211	new_flags \|= BG_ROOT_ALIGN;
236		212
237	// deprecated	213	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
239	{	215	{
…		…
241	w = h = noScale;	217	w = h = noScale;
242	geom_flags \|= WidthValue\|HeightValue;	218	geom_flags \|= WidthValue\|HeightValue;
243	}	219	}
244	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
245	{	221	{
246	new_flags \|= BG_PROP_SCALE;	222	new_flags \|= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags \|= WidthValue\|HeightValue;
247	}	225	}
248	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
249	{	227	{
250	new_flags \|= BG_TILE;	228	new_flags \|= BG_TILE;
251	w = windowScale;	229	w = windowScale;
…		…
281	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	260	} /* done parsing ops */
283		261
284	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
285	}	263	}
		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
286		266
287	if (!update)	267	if (!update)
288	{	268	{
289	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	275	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
297	h = w;	277	h = w;
298	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
299	w = h;	279	w = h;
300
301	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
302	}	280	}
303		281
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)	282	min_it (w, 1000);
305	\|\| check_set_scale_value (geom_flags, HeightValue, v_scale, h)	283	min_it (h, 1000);
306	\|\| check_set_align_value (geom_flags, XValue, h_align, x)	284	clamp_it (x, -100, 200);
307	\|\| check_set_align_value (geom_flags, YValue, v_align, y))	285	clamp_it (y, -100, 200);
308	changed = true;
309		286
310	if (new_flags != bg_flags)	287	if (bg_flags != new_flags
		288	\|\| h_scale != w
		289	\|\| v_scale != h
		290	\|\| h_align != x
		291	\|\| v_align != y)
311	{	292	{
312	bg_flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
313	changed = true;	298	changed = true;
314	}	299	}
315		300
316	return changed;	301	return changed;
317	}	302	}
…		…
323	int target_height = szHint.height;	308	int target_height = szHint.height;
324		309
325	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
326	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
327		312
328	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
329	{	314	{
330	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
331	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
332	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
333	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
345	{	330	{
346	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
347	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
348	}	333	}
349		334
350	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
352	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
353	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
354	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
355	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
356	}
357
358	# ifdef HAVE_AFTERIMAGE
359	bool
360	rxvt_term::render_image (unsigned long tr_flags)
361	{
362	init_asv ();
363
364	ASImage *background = NULL;
365	ARGB32 background_tint = TINT_LEAVE_SAME;
366
367	# ifdef ENABLE_TRANSPARENCY
368	if (tr_flags)
369	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371	if (tr_flags & BG_NEEDS_TINT)
372	{
373	ShadingInfo as_shade;
374	as_shade.shading = shade;
375
376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
377	if (bg_flags & BG_TINT_SET)
378	tint.get (c);
379	as_shade.tintColor.red = c.r;
380	as_shade.tintColor.green = c.g;
381	as_shade.tintColor.blue = c.b;
382
383	background_tint = shading2tint32 (&as_shade);
384	}
385
386	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
387	{
388	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
389	ASA_XImage,
390	100, ASIMAGE_QUALITY_DEFAULT);
391	if (tmp)
392	{
393	destroy_asimage (&background);
394	background = tmp;
395	}
396	}
397	# endif
398
399	ASImage *result = 0;
400
401	int target_width = szHint.width;
402	int target_height = szHint.height;
403	int new_pmap_width = target_width;
404	int new_pmap_height = target_height;
405
406	int x = 0;
407	int y = 0;
408	int w = 0;
409	int h = 0;
410
411	if (original_asim)
412	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413
414	if (!original_asim
415	\|\| (!(bg_flags & BG_ROOT_ALIGN)
416	&& (x >= target_width
417	\|\| y >= target_height
418	\|\| x + w <= 0
419	\|\| y + h <= 0)))
420	{
421	if (background)
422	{
423	new_pmap_width = background->width;
424	new_pmap_height = background->height;
425	result = background;
426
427	if (background_tint != TINT_LEAVE_SAME)
428	{
429	ASImage *tmp = tile_asimage (asv, background, 0, 0,
430	target_width, target_height, background_tint,
431	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432	if (tmp)
433	result = tmp;
434	}
435	}
436	else
437	new_pmap_width = new_pmap_height = 0;
438	}
439	else	340	else
440	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
441	result = original_asim;
442
443	if (w != original_asim->width
444	\|\| h != original_asim->height)
445	{
446	result = scale_asimage (asv, original_asim,
447	w, h,
448	ASA_XImage,
449	100, ASIMAGE_QUALITY_DEFAULT);
450	}
451
452	if (background == NULL)
453	{
454	if (bg_flags & BG_TILE)
455	{
456	/* if tiling - pixmap has to be sized exactly as the image,
457	but there is no need to make it bigger than the window! */
458	new_pmap_width = min (result->width, target_width);
459	new_pmap_height = min (result->height, target_height);
460
461	/* we also need to tile our image in both directions */
462	ASImage *tmp = tile_asimage (asv, result,
463	(int)result->width - x,
464	(int)result->height - y,
465	new_pmap_width,
466	new_pmap_height,
467	TINT_LEAVE_SAME, ASA_XImage,
468	100, ASIMAGE_QUALITY_DEFAULT);
469	if (tmp)
470	{
471	if (result != original_asim)
472	destroy_asimage (&result);
473
474	result = tmp;
475	}
476	}
477	}
478	else
479	{
480	/* if blending background and image - pixmap has to be sized same as target window */
481	ASImageLayer *layers = create_image_layers (2);
482
483	layers[0].im = background;
484	layers[0].clip_width = target_width;
485	layers[0].clip_height = target_height;
486	layers[0].tint = background_tint;
487	layers[1].im = result;
488
489	if (bg_flags & BG_TILE)
490	{
491	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{
498	/* clip horizontally */
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width;
501	}
502
503	if (bg_flags & BG_TILE)
504	{
505	while (y > 0) y -= (int)result->height;
506	layers[1].dst_y = y;
507	layers[1].clip_height = result->height + target_height;
508	}
509	else
510	{
511	layers[1].dst_y = y;
512	layers[1].clip_height = result->height;
513	}
514
515	if (rs[Rs_blendtype])
516	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;
520	}
521
522	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525	if (tmp)
526	{
527	if (result != original_asim)
528	destroy_asimage (&result);
529
530	result = tmp;
531	}
532
533	free (layers);
534	}
535	}
536
537	bool ret = false;
538
539	if (result)
540	{
541	XGCValues gcv;
542	GC gc;
543
544	/* create Pixmap */
545	if (bg_pixmap == None
546	\|\| bg_pmap_width != new_pmap_width
547	\|\| bg_pmap_height != new_pmap_height)
548	{
549	if (bg_pixmap)
550	XFreePixmap (dpy, bg_pixmap);
551	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
552	bg_pmap_width = new_pmap_width;
553	bg_pmap_height = new_pmap_height;
554	}
555	/* fill with background color (if result's not completely overlapping it) */
556	gcv.foreground = pix_colors[Color_bg];
557	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558
559	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560	int dst_width = result->width, dst_height = result->height;
561	if (background == NULL)
562	{
563	if (!(bg_flags & BG_TILE))
564	{
565	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567	}
568
569	if (dst_x > 0 \|\| dst_y > 0
570	\|\| dst_x + dst_width < new_pmap_width
571	\|\| dst_y + dst_height < new_pmap_height)
572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573	}
574
575	/* put result on pixmap */
576	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579	if (result != background && result != original_asim)
580	destroy_asimage (&result);
581
582	XFreeGC (dpy, gc);
583
584	ret = true;
585	}
586
587	if (background)
588	destroy_asimage (&background);
589
590	return ret;
591	}	342	}
592	# endif /* HAVE_AFTERIMAGE */
593		343
594	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
595	bool	345	bool
596	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597	int src_x, int src_y, int dst_x, int dst_y,	347	int src_x, int src_y, int dst_x, int dst_y,
598	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
599	{	349	{
600	XImage *ximage;	350	XImage *ximage;
601	char data, line;	351	char data, line;
602	int bytes_per_pixel;	352	int bytes_per_pixel;
603	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
604	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
605	int rowstride;	356	int rowstride;
606	int channels;	357	int channels;
607	unsigned char *row;	358	unsigned char *row;
608		359
609	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
610	return false;	361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
611		370
612	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
613	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
614	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
615	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
617	return false;	376	return false;
618		377
619	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
622		382
623	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
624	return false;	384	return false;
625		385
626	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
629		390
630	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
631	return false;	392	return false;
632		393
633	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;	411	line = data;
651		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
652	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
653	{	424	{
654	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
655	{	426	{
656	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
657	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
658		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
660	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
661	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
662		450
663	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
664	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
665	else	453	else
666	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
674	XDestroyImage (ximage);	462	XDestroyImage (ximage);
675	return true;	463	return true;
676	}	464	}
677		465
678	bool	466	bool
679	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
680	{	468	{
681	if (!pixbuf)	469	if (!pixbuf)
682	return false;	470	return false;
683		471
684	if (tr_flags	472	if (transparent
685	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
686	return false;	474	return false;
687		475
688	GdkPixbuf *result;	476	GdkPixbuf *result;
689		477
…		…
729	Pixmap root_pmap;	517	Pixmap root_pmap;
730		518
731	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
733		521
734	if (tr_flags)	522	if (transparent)
735	{	523	{
736	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
737	bg_pixmap = None;	525	bg_pixmap = None;
738	}	526	}
739	else	527	else
…		…
797	dst_x, dst_y,	585	dst_x, dst_y,
798	dst_width, dst_height);	586	dst_width, dst_height);
799	}	587	}
800		588
801	#if XRENDER	589	#if XRENDER
802	if (tr_flags)	590	if (transparent)
803	{	591	{
804	XRenderPictureAttributes pa;
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
808		595
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		597
812	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
813	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816	XFreePixmap (dpy, mask_pmap);
817		599
818	XRenderColor mask_c;	600	XRenderColor mask_c;
819		601
820	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
821	mask_c.red = 0;	603	mask_c.red =
822	mask_c.green = 0;	604	mask_c.green =
823	mask_c.blue = 0;	605	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
825	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
826		609
827	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
836	}	619	}
837		620
838	if (result != pixbuf)	621	if (result != pixbuf)
839	g_object_unref (result);	622	g_object_unref (result);
840		623
841	if (tr_flags)	624	if (transparent)
842	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
843		626
844	return ret;	627	return ret;
845	}	628	}
846	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
861	memcpy (f, file, len);	644	memcpy (f, file, len);
862	f[len] = '\0';	645	f[len] = '\0';
863	file = f;	646	file = f;
864	}	647	}
865		648
866	# ifdef HAVE_AFTERIMAGE
867	if (!asimman)
868	asimman = create_generic_imageman (rs[Rs_path]);
869	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
870	if (image)
871	{
872	if (original_asim)
873	safe_asimage_destroy (original_asim);
874	original_asim = image;
875	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
876	ret = true;
877	}
878	# endif
879
880	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	651	if (image)
883	{	652	{
884	if (pixbuf)	653	if (pixbuf)
…		…
941	{	710	{
942	changed = true;	711	changed = true;
943	v_blurRadius = vr;	712	v_blurRadius = vr;
944	}	713	}
945		714
946	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
947	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags \|= BG_NEEDS_BLUR;
950		719
951	return changed;	720	return changed;
952	}	721	}
953		722
954	void	723	void
955	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
956	{	725	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
958	bool has_shade = shade != 100;	727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
959		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		736	{
		737	tint = new_tint;
960	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags \|= BG_TINT_SET;
961		739
962	if (bg_flags & BG_TINT_SET)	740	rgba c;
963	{
964	tint.get (c);	741	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
967	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
968	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
969	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
970	}	746	else
971
972	if (has_shade \|\| (bg_flags & BG_TINT_SET))
973	bg_flags \|= BG_NEEDS_TINT;
974	}
975
976	bool
977	rxvt_term::bg_set_tint (rxvt_color &new_tint)
978	{
979	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
980	{
981	tint = new_tint;
982	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
983	set_tint_shade_flags ();	749	set_tint_shade_flags ();
984	return true;	750	return true;
985	}	751	}
986		752
987	return false;	753	return false;
988	}	754	}
989		755
990	bool	756	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
992	{	758	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
994		760
995	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	762	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
998		764
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	795	}
1030	#endif	796	#endif
1031		797
1032	bool	798	bool
1033	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1034	{	800	{
1035	bool ret = false;	801	bool ret = false;
1036	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double kernel = (double )malloc (size * sizeof (double));	807	double kernel = (double )malloc (size * sizeof (double));
1039	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1040		809
1041	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043		812
		813	pa.repeat = RepeatPad;
1044	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1046		818
1047	if (kernel && params)	819	if (kernel && params)
1048	{	820	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		823
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1056	PictOpSrc,	826	PictOpSrc,
1057	src,	827	src,
1058	None,	828	None,
1059	dst,	829	dst,
1060	0, 0,	830	0, 0,
1061	0, 0,	831	0, 0,
1062	0, 0,	832	0, 0,
1063	width, height);	833	width, height);
1064	}
1065		834
1066	if (v_blurRadius)	835	::swap (src, dst);
1067	{	836
1068	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1071		840
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1074	PictOpSrc,	843	PictOpSrc,
1075	src,	844	src,
1076	None,	845	None,
1077	dst,	846	dst,
1078	0, 0,	847	0, 0,
1079	0, 0,	848	0, 0,
1080	0, 0,	849	0, 0,
1081	width, height);	850	width, height);
1082	}
1083		851
1084	ret = true;	852	ret = true;
1085	}	853	}
1086		854
1087	free (kernel);	855	free (kernel);
…		…
1095	bool	863	bool
1096	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1097	{	865	{
1098	bool ret = false;	866	bool ret = false;
1099		867
1100	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1101	{	869	{
1102	XGCValues gcv;	870	XGCValues gcv;
1103	GC gc;	871	GC gc;
1104		872
1105	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	883	ret = true;
1116	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1117	}	885	}
1118	}	886	}
1119	else
1120	{
1121	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1123		891
1124	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);	893	tint.get (c);
1126		894
…		…
1135	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1138	}	906	}
1139		907
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		909
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		911
1146	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		913
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150	XFreePixmap (dpy, overlay_pmap);
1151
1152	pa.component_alpha = True;
1153	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1155	XFreePixmap (dpy, mask_pmap);
1156		915
1157	XRenderColor mask_c;	916	XRenderColor mask_c;
1158		917
1159	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1160	mask_c.red =	919	mask_c.red =
…		…
1165	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1170	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1171		931
1172	if (shade > 100)	932	if (shade > 100)
1173	{	933	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	mask_c.alpha = 0;	934	mask_c.alpha = 0;
		935	mask_c.red =
		936	mask_c.green =
		937	mask_c.blue = 0xffff * (shade - 100) / 100;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		939
1178	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1179	}	941	}
1180		942
1181	ret = true;	943	ret = true;
1182		944
1183	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1186	# endif	949	# endif
1187	}
1188		950
1189	return ret;	951	return ret;
1190	}	952	}
1191		953
1192	/*	954	/*
1193	* Builds a pixmap of the same size as the terminal window that contains	955	* Builds a pixmap of the same size as the terminal window that contains
1194	* the tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
1195	* our window.	957	* our window.
1196	*/	958	*/
1197	unsigned long	959	bool
1198	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1199	{	961	{
1200	unsigned long result = 0;	962	bool ret = false;
1201		963
1202	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
1203	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1204	*/	966	*/
1205	int screen = display->screen;	967	int screen = display->screen;
…		…
1243	#if XRENDER	1005	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1245	{	1007	{
1246	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1247		1009
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		1012
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		1015
1256	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1257		1017
1258	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1278	}	1038	}
1279		1039
1280	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1041	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1042	while (sy < 0) sy += root_pmap_height;
1283		1043
1284	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1289		1049
1290	if (gc)	1050	if (gc)
1291	{	1051	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1294	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1295		1055
1296	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{	1057	{
1298	if ((bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{	1059	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1302	result &= ~BG_NEEDS_BLUR;	1061	tr_flags &= ~BG_NEEDS_BLUR;
1303	}	1062	}
1304	if ((bg_flags & BG_NEEDS_TINT)	1063	if (bg_flags & BG_NEEDS_TINT)
1305	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1306	{	1064	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1308	result &= ~BG_NEEDS_TINT;	1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
		1072	{
		1073	/* our own client-side tinting */
		1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
		1078	}
1309	}	1079	}
1310	} /* server side rendering completed */	1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
1311	}	1083	}
1312		1084
1313	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1315		1087
1316	return result;	1088	return ret;
1317	}	1089	}
1318		1090
1319	void	1091	void
1320	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1321	{	1093	{
…		…
1325		1097
1326	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1327	}	1099	}
1328	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1329		1101
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1332	# endif
1333
1334	bool	1102	bool
1335	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1336	{	1104	{
1337	unsigned long tr_flags = 0;	1105	bool transparent = false;
1338		1106
1339	bg_invalidate ();	1107	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1110	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1345	if (tr_flags == 0)	1113	if (transparent)
1346	return false;
1347	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1348	}	1115	}
1349	# endif	1116	# endif
1350		1117
1351	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1353	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1120	{
1355	if (render_image (tr_flags))	1121	if (render_image (transparent))
1356	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	{
1374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375	if (bg_flags & BG_TINT_SET)
1376	tint.get (c);
1377	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378	}
1379
1380	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382	if (gc)
1383	{
1384	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386	XFreeGC (dpy, gc);
1387	}
1388
1389	XDestroyImage (result);
1390	}	1123	}
1391	# endif	1124	# endif
1392		1125
1393	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1394	{	1127	{
…		…
1431	#endif	1164	#endif
1432	}	1165	}
1433		1166
1434	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1435		1168
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1437	/* based on code from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1438		1171
1439	static void	1172	static inline void
1440	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1441	{	1186	{
1442	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1445	rgba low;	1190	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1192
1450	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1193	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1451		1194
1452	/* for convenience */	1195	/* for convenience */
…		…
1511	break;	1254	break;
1512	default:	1255	default:
1513	return; /* we do not support this color depth */	1256	return; /* we do not support this color depth */
1514	}	1257	}
1515		1258
		1259	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1260
		1261	if (bg_flags & BG_TINT_SET)
		1262	tint.get (c);
		1263
1516	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1265	if (shade > 100)
1518	{	1266	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1267	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1268	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1269	c.b = c.b * (200 - shade) / 100;
		1270
		1271	low = 0xffff * (shade - 100) / 100;
1528	}	1272	}
1529	else	1273	else
1530	{	1274	{
1531	high.r = c.r * shade / 100;	1275	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1276	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1277	c.b = c.b * shade / 100;
1534		1278
1535	low.r = low.g = low.b = 0;	1279	low = 0;
1536	}	1280	}
1537		1281
1538	/* fill our lookup tables */	1282	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1286
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1288	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1290	&& ximage->byte_order == host_byte_order)
…		…
1594	}	1320	}
1595	}	1321	}
1596		1322
1597	free (lookup);	1323	free (lookup);
1598	}	1324	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1325	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing rxvt-unicode/src/background.C (file contents): Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs. Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs.
Revision 1.207 by sf-exg, Thu May 10 21:48:55 2012 UTC