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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.173 by sf-exg, Sun Nov 20 11:09:21 2011 UTC vs.
Revision 1.208 by sf-exg, Fri May 11 08:16:58 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)) changed = true;	282	min_it (w, 1000);
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
308		286
309	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)
310	{	292	{
311	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;
312	changed = true;	298	changed = true;
313	}	299	}
314		300
315	return changed;	301	return changed;
316	}	302	}
…		…
322	int target_height = szHint.height;	308	int target_height = szHint.height;
323		309
324	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
326		312
327	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
328	{	314	{
329	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
344	{	330	{
345	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
347	}	333	}
348		334
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
351	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
352	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
353	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
354	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{
372	ShadingInfo as_shade;
373	as_shade.shading = shade;
374
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
376	if (bg_flags & BG_TINT_SET)
377	tint.get (c);
378	as_shade.tintColor.red = c.r;
379	as_shade.tintColor.green = c.g;
380	as_shade.tintColor.blue = c.b;
381
382	background_tint = shading2tint32 (&as_shade);
383	}
384
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
386	{
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
388	ASA_XImage,
389	100, ASIMAGE_QUALITY_DEFAULT);
390	if (tmp)
391	{
392	destroy_asimage (&background);
393	background = tmp;
394	}
395	}
396	# endif
397
398	ASImage *result = 0;
399
400	int target_width = szHint.width;
401	int target_height = szHint.height;
402	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;
404
405	int x = 0;
406	int y = 0;
407	int w = 0;
408	int h = 0;
409
410	if (original_asim)
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412
413	if (!original_asim
414	\|\| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width
416	\|\| y >= target_height
417	\|\| x + w <= 0
418	\|\| y + h <= 0)))
419	{
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425
426	if (background_tint != TINT_LEAVE_SAME)
427	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,
429	target_width, target_height, background_tint,
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else	340	else
439	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
440	result = original_asim;
441
442	if (w != original_asim->width
443	\|\| h != original_asim->height)
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}
450
451	if (background == NULL)
452	{
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None
545	\|\| bg_pmap_width != new_pmap_width
546	\|\| bg_pmap_height != new_pmap_height)
547	{
548	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;
553	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 \|\| dst_y > 0
569	\|\| dst_x + dst_width < new_pmap_width
570	\|\| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}	342	}
591	# endif /* HAVE_AFTERIMAGE */
592		343
593	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
594	bool	345	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	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,
597	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
598	{	349	{
599	XImage *ximage;	350	XImage *ximage;
600	char data, line;	351	char data, line;
601	int bytes_per_pixel;	352	int bytes_per_pixel;
602	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
603	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
604	int rowstride;	356	int rowstride;
605	int channels;	357	int channels;
606	unsigned char *row;	358	unsigned char *row;
607		359
608	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
609	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;
610		370
611	if (depth == 24 \|\| depth == 32)	371	if (depth == 24 \|\| depth == 32)
612	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
613	else if (depth == 15 \|\| depth == 16)	373	else if (depth == 15 \|\| depth == 16)
614	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
…		…
616	return false;	376	return false;
617		377
618	width_r = ecb_popcount32 (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
621		382
622	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
623	return false;	384	return false;
624		385
625	sh_r = ecb_ctz32 (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
628		390
629	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;	392	return false;
631		393
632	data = (char )malloc (width height * bytes_per_pixel);	394	data = (char )malloc (width height * bytes_per_pixel);
…		…
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	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;
649	line = data;	411	line = data;
650		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
651	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
652	{	424	{
653	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
654	{	426	{
655	unsigned char pixel = row + x channels;	427	unsigned char pixel = row + x channels;
656	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
657		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
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
659	\| ((pixel[1] >> (8 - width_g)) << sh_g)	447	\| ((g >> (8 - width_g)) << sh_g)
660	\| ((pixel[2] >> (8 - width_b)) << sh_b);	448	\| ((b >> (8 - width_b)) << sh_b)
		449	\| ((a >> (8 - width_a)) << sh_a);
661		450
662	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
664	else	453	else
665	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
673	XDestroyImage (ximage);	462	XDestroyImage (ximage);
674	return true;	463	return true;
675	}	464	}
676		465
677	bool	466	bool
678	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
679	{	468	{
680	if (!pixbuf)	469	if (!pixbuf)
681	return false;	470	return false;
682		471
683	if (tr_flags	472	if (transparent
684	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
685	return false;	474	return false;
686		475
687	GdkPixbuf *result;	476	GdkPixbuf *result;
688		477
…		…
728	Pixmap root_pmap;	517	Pixmap root_pmap;
729		518
730	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
732		521
733	if (tr_flags)	522	if (transparent)
734	{	523	{
735	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
736	bg_pixmap = None;	525	bg_pixmap = None;
737	}	526	}
738	else	527	else
…		…
796	dst_x, dst_y,	585	dst_x, dst_y,
797	dst_width, dst_height);	586	dst_width, dst_height);
798	}	587	}
799		588
800	#if XRENDER	589	#if XRENDER
801	if (tr_flags)	590	if (transparent)
802	{	591	{
803	XRenderPictureAttributes pa;
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
807		595
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		597
811	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		599
817	XRenderColor mask_c;	600	XRenderColor mask_c;
818		601
819	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
820	mask_c.red = 0;	603	mask_c.red =
821	mask_c.green = 0;	604	mask_c.green =
822	mask_c.blue = 0;	605	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
824	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);
825		609
826	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
…		…
835	}	619	}
836		620
837	if (result != pixbuf)	621	if (result != pixbuf)
838	g_object_unref (result);	622	g_object_unref (result);
839		623
840	if (tr_flags)	624	if (transparent)
841	XFreePixmap (dpy, root_pmap);	625	XFreePixmap (dpy, root_pmap);
842		626
843	return ret;	627	return ret;
844	}	628	}
845	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
…		…
860	memcpy (f, file, len);	644	memcpy (f, file, len);
861	f[len] = '\0';	645	f[len] = '\0';
862	file = f;	646	file = f;
863	}	647	}
864		648
865	# ifdef HAVE_AFTERIMAGE
866	if (!asimman)
867	asimman = create_generic_imageman (rs[Rs_path]);
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
869	if (image)
870	{
871	if (original_asim)
872	safe_asimage_destroy (original_asim);
873	original_asim = image;
874	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
875	ret = true;
876	}
877	# endif
878
879	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	651	if (image)
882	{	652	{
883	if (pixbuf)	653	if (pixbuf)
…		…
940	{	710	{
941	changed = true;	711	changed = true;
942	v_blurRadius = vr;	712	v_blurRadius = vr;
943	}	713	}
944		714
945	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags \|= BG_NEEDS_BLUR;
		717	else
946	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags \|= BG_NEEDS_BLUR;
949		719
950	return changed;	720	return changed;
951	}	721	}
952		722
953	void	723	void
954	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
955	{	725	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
957	bool has_shade = shade != 100;	727	bg_flags \|= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
958		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;
959	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags \|= BG_TINT_SET;
960		739
961	if (bg_flags & BG_TINT_SET)	740	rgba c;
962	{
963	tint.get (c);	741	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
966	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
967	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
968	bg_flags \|= BG_TINT_BITAND;	745	bg_flags \|= BG_TINT_BITAND;
969	}	746	else
970
971	if (has_shade \|\| (bg_flags & BG_TINT_SET))
972	bg_flags \|= BG_NEEDS_TINT;
973	}
974
975	bool
976	rxvt_term::bg_set_tint (rxvt_color &new_tint)
977	{
978	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
979	{
980	tint = new_tint;
981	bg_flags \|= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
982	set_tint_shade_flags ();	749	set_tint_shade_flags ();
983	return true;	750	return true;
984	}	751	}
985		752
986	return false;	753	return false;
987	}	754	}
988		755
989	bool	756	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
991	{	758	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
993		760
994	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	762	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
997		764
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	795	}
1029	#endif	796	#endif
1030		797
1031	bool	798	bool
1032	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)
1033	{	800	{
1034	bool ret = false;	801	bool ret = false;
1035	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double kernel = (double )malloc (size * sizeof (double));	807	double kernel = (double )malloc (size * sizeof (double));
1038	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1039		809
1040	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		812
		813	pa.repeat = RepeatPad;
1043	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);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1045		818
1046	if (kernel && params)	819	if (kernel && params)
1047	{	820	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		823
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1055	PictOpSrc,	826	PictOpSrc,
1056	src,	827	src,
1057	None,	828	None,
1058	dst,	829	dst,
1059	0, 0,	830	0, 0,
1060	0, 0,	831	0, 0,
1061	0, 0,	832	0, 0,
1062	width, height);	833	width, height);
1063	}
1064		834
1065	if (v_blurRadius)	835	::swap (src, dst);
1066	{	836
1067	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1070		840
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1073	PictOpSrc,	843	PictOpSrc,
1074	src,	844	src,
1075	None,	845	None,
1076	dst,	846	dst,
1077	0, 0,	847	0, 0,
1078	0, 0,	848	0, 0,
1079	0, 0,	849	0, 0,
1080	width, height);	850	width, height);
1081	}
1082		851
1083	ret = true;	852	ret = true;
1084	}	853	}
1085		854
1086	free (kernel);	855	free (kernel);
…		…
1094	bool	863	bool
1095	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)
1096	{	865	{
1097	bool ret = false;	866	bool ret = false;
1098		867
1099	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	869	{
1101	XGCValues gcv;	870	XGCValues gcv;
1102	GC gc;	871	GC gc;
1103		872
1104	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	883	ret = true;
1115	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1116	}	885	}
1117	}	886	}
1118	else
1119	{
1120	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		891
1123	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	893	tint.get (c);
1125		894
…		…
1134	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1137	}	906	}
1138		907
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		909
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		911
1145	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		913
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149	XFreePixmap (dpy, overlay_pmap);
1150
1151	pa.component_alpha = True;
1152	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1154	XFreePixmap (dpy, mask_pmap);
1155		915
1156	XRenderColor mask_c;	916	XRenderColor mask_c;
1157		917
1158	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
1159	mask_c.red =	919	mask_c.red =
…		…
1164	mask_c.alpha = 0;	924	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	925	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	926	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	927	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
1169	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);
1170		931
1171	if (shade > 100)	932	if (shade > 100)
1172	{	933	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	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;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		939
1177	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);
1178	}	941	}
1179		942
1180	ret = true;	943	ret = true;
1181		944
1182	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1185	# endif	949	# endif
1186	}
1187		950
1188	return ret;	951	return ret;
1189	}	952	}
1190		953
1191	/*	954	/*
1192	* 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
1193	* 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
1194	* our window.	957	* our window.
1195	*/	958	*/
1196	unsigned long	959	bool
1197	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1198	{	961	{
1199	unsigned long result = 0;	962	bool ret = false;
1200		963
1201	/* 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
1202	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1203	*/	966	*/
1204	int screen = display->screen;	967	int screen = display->screen;
…		…
1242	#if XRENDER	1005	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1244	{	1007	{
1245	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);
1246		1009
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		1012
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1015
1255	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);
1256		1017
1257	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1277	}	1038	}
1278		1039
1279	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1041	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1042	while (sy < 0) sy += root_pmap_height;
1282		1043
1283	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1288		1049
1289	if (gc)	1050	if (gc)
1290	{	1051	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1293	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1294		1055
1295	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{	1057	{
1297	if ((bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{	1059	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1301	result &= ~BG_NEEDS_BLUR;	1061	tr_flags &= ~BG_NEEDS_BLUR;
1302	}	1062	}
1303	if ((bg_flags & BG_NEEDS_TINT)	1063	if (bg_flags & BG_NEEDS_TINT)
1304	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1305	{	1064	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307	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	}
1308	}	1079	}
1309	} /* server side rendering completed */	1080	} /* server side rendering completed */
		1081
		1082	XFreeGC (dpy, gc);
1310	}	1083	}
1311		1084
1312	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1314		1087
1315	return result;	1088	return ret;
1316	}	1089	}
1317		1090
1318	void	1091	void
1319	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1320	{	1093	{
…		…
1324		1097
1325	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1326	}	1099	}
1327	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1328		1101
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1331	# endif
1332
1333	bool	1102	bool
1334	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1335	{	1104	{
1336	unsigned long tr_flags = 0;	1105	bool transparent = false;
1337		1106
1338	bg_invalidate ();	1107	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1110	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1344	if (tr_flags == 0)	1113	if (transparent)
1345	return false;
1346	bg_flags \|= BG_IS_VALID;	1114	bg_flags \|= BG_IS_VALID;
1347	}	1115	}
1348	# endif	1116	# endif
1349		1117
1350	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1351	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1352	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1120	{
1354	if (render_image (tr_flags))	1121	if (render_image (transparent))
1355	bg_flags \|= BG_IS_VALID;	1122	bg_flags \|= BG_IS_VALID;
1356	}
1357	# endif
1358
1359	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1360	XImage *result = NULL;
1361
1362	if (tr_flags & BG_NEEDS_TINT)
1363	{
1364	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1365	}
1366
1367	if (result)
1368	{
1369	/* our own client-side tinting */
1370	//if (tr_flags & BG_NEEDS_TINT)
1371	if (1)
1372	{
1373	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374	if (bg_flags & BG_TINT_SET)
1375	tint.get (c);
1376	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377	}
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	}
1387
1388	XDestroyImage (result);
1389	}	1123	}
1390	# endif	1124	# endif
1391		1125
1392	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1393	{	1127	{
…		…
1430	#endif	1164	#endif
1431	}	1165	}
1432		1166
1433	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1434		1168
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1436	/* based on code from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1437		1171
1438	static void	1172	static inline void
1439	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)
1440	{	1186	{
1441	int sh_r, sh_g, sh_b;	1187	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1188	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1444	rgba low;	1190	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1192
1449	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1193	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1450		1194
1451	/* for convenience */	1195	/* for convenience */
…		…
1510	break;	1254	break;
1511	default:	1255	default:
1512	return; /* we do not support this color depth */	1256	return; /* we do not support this color depth */
1513	}	1257	}
1514		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
1515	/* prepare limits for color transformation (each channel is handled separately) */	1264	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1265	if (shade > 100)
1517	{	1266	{
1518	shade = 200 - shade;
1519
1520	high.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;
1523
1524	low.r = 65535 * (100 - shade) / 100;	1267	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1268	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1269	c.b = c.b * (200 - shade) / 100;
		1270
		1271	low = 0xffff * (shade - 100) / 100;
1527	}	1272	}
1528	else	1273	else
1529	{	1274	{
1530	high.r = c.r * shade / 100;	1275	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1276	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1277	c.b = c.b * shade / 100;
1533		1278
1534	low.r = low.g = low.b = 0;	1279	low = 0;
1535	}	1280	}
1536		1281
1537	/* fill our lookup tables */	1282	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1283	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1541	tmp = i * high.r;
1542	tmp += (mask_r>>sh_r) * low.r;
1543	lookup_r[i] = (tmp/65535)<<sh_r;
1544	}
1545	for (i = 0; i <= mask_g>>sh_g; i++)
1546	{
1547	uint32_t tmp;
1548	tmp = i * high.g;
1549	tmp += (mask_g>>sh_g) * low.g;
1550	lookup_g[i] = (tmp/65535)<<sh_g;
1551	}
1552	for (i = 0; i <= mask_b>>sh_b; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.b;
1556	tmp += (mask_b>>sh_b) * low.b;
1557	lookup_b[i] = (tmp/65535)<<sh_b;
1558	}
1559		1286
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1287	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1288	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1290	&& ximage->byte_order == host_byte_order)
1564	{	1291	{
1565	uint32_t p1, pf, p, pl;	1292	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1568		1293
1569	while (p1 < pf)	1294	for (int y = 0; y < ximage->height; y++)
1570	{	1295	{
1571	p = p1;	1296	uint32_t p = (uint32_t )line;
1572	pl = p1 + ximage->width;	1297	for (int x = 0; x < ximage->width; x++)
1573	for (; p < pl; p++)
1574	{	1298	{
1575	p = lookup_r[(p & 0xff0000) >> 16] \|	1299	p = lookup_r[(p & 0xff0000) >> 16] \|
1576	lookup_g[(*p & 0x00ff00) >> 8] \|	1300	lookup_g[(*p & 0x00ff00) >> 8] \|
1577	lookup_b[(*p & 0x0000ff)] \|	1301	lookup_b[(*p & 0x0000ff)] \|
1578	(*p & 0xff000000);	1302	(*p & 0xff000000);
1579	}	1303	p++;
1580	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1304	}
		1305	line += ximage->bytes_per_line;
1581	}	1306	}
1582	}	1307	}
1583	else	1308	else
1584	{	1309	{
1585	for (int y = 0; y < ximage->height; y++)	1310	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1318	}
1594	}	1319	}
1595		1320
1596	free (lookup);	1321	free (lookup);
1597	}	1322	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1323	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.173 by sf-exg, Sun Nov 20 11:09:21 2011 UTC vs. Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.173 by sf-exg, Sun Nov 20 11:09:21 2011 UTC vs.
Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC