[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 1.213 by sf-exg, Sun May 13 21:12:01 2012 UTC

…		…
3	----------------------------------------------------------------------	3	----------------------------------------------------------------------
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
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 *line;
602	int bytes_per_pixel;
603	int width_r, width_g, width_b;	352	int width_r, width_g, width_b, width_a;
604	int sh_r, sh_g, sh_b;	353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
605	int rowstride;	355	int rowstride;
606	int channels;	356	int channels;
607	unsigned char *row;	357	unsigned char *row;
608		358
609	if (visual->c_class != TrueColor)	359	if (visual->c_class != TrueColor)
610	return false;	360	return false;
611		361
612	if (depth == 24 \|\| depth == 32)	362	#if XRENDER
613	bytes_per_pixel = 4;	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
614	else if (depth == 15 \|\| depth == 16)	364	if (format)
615	bytes_per_pixel = 2;	365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
616	else	366	else
617	return false;	367	#endif
		368	alpha_mask = 0;
618		369
619	width_r = ecb_popcount32 (visual->red_mask);	370	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);	371	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);	372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
622		374
623	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
624	return false;	376	return false;
625		377
626	sh_r = ecb_ctz32 (visual->red_mask);	378	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);	379	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);	380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
629		382
630	if (width > INT_MAX / height / bytes_per_pixel)	383	if (width > 32767 \|\| height > 32767)
631	return false;	384	return false;
632		385
633	data = (char )malloc (width height * bytes_per_pixel);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
634	if (!data)	387	width, height, 32, 0);
		388	if (!ximage)
635	return false;	389	return false;
636		390
637	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	391	if (height > INT_MAX / ximage->bytes_per_line
638	width, height, bytes_per_pixel * 8, 0);	392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
639	if (!ximage)
640	{	393	{
641	free (data);	394	XDestroyImage (ximage);
642	return false;	395	return false;
643	}	396	}
644		397
645	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
646		399
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);	401	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;	403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
651		414
652	for (int y = 0; y < height; y++)	415	for (int y = 0; y < height; y++)
653	{	416	{
654	for (int x = 0; x < width; x++)	417	for (int x = 0; x < width; x++)
655	{	418	{
656	unsigned char pixel = row + x channels;	419	unsigned char pixel = row + x channels;
657	uint32_t value;	420	uint32_t value;
		421	unsigned char r, g, b, a;
658		422
		423	if (channels == 4)
		424	{
		425	a = pixel[3];
		426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)	438	value = ((r >> (8 - width_r)) << sh_r)
660	\| ((pixel[1] >> (8 - width_g)) << sh_g)	439	\| ((g >> (8 - width_g)) << sh_g)
661	\| ((pixel[2] >> (8 - width_b)) << sh_b);	440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
662		442
663	if (bytes_per_pixel == 4)	443	if (ximage->bits_per_pixel == 32)
664	((uint32_t *)line)[x] = value;	444	((uint32_t *)line)[x] = value;
665	else	445	else
666	((uint16_t *)line)[x] = value;	446	XPutPixel (ximage, x, y, value);
667	}	447	}
668		448
669	row += rowstride;	449	row += rowstride;
670	line += ximage->bytes_per_line;	450	line += ximage->bytes_per_line;
671	}	451	}
…		…
674	XDestroyImage (ximage);	454	XDestroyImage (ximage);
675	return true;	455	return true;
676	}	456	}
677		457
678	bool	458	bool
679	rxvt_term::render_image (unsigned long tr_flags)	459	rxvt_term::render_image (bool transparent)
680	{	460	{
681	if (!pixbuf)	461	if (!pixbuf)
682	return false;	462	return false;
683		463
684	if (tr_flags	464	if (transparent
685	&& !(bg_flags & BG_HAS_RENDER))	465	&& !(bg_flags & BG_HAS_RENDER))
686	return false;	466	return false;
687		467
688	GdkPixbuf *result;	468	GdkPixbuf *result;
689		469
…		…
729	Pixmap root_pmap;	509	Pixmap root_pmap;
730		510
731	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
733		513
734	if (tr_flags)	514	if (transparent)
735	{	515	{
736	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
737	bg_pixmap = None;	517	bg_pixmap = None;
738	}	518	}
739	else	519	else
…		…
797	dst_x, dst_y,	577	dst_x, dst_y,
798	dst_width, dst_height);	578	dst_width, dst_height);
799	}	579	}
800		580
801	#if XRENDER	581	#if XRENDER
802	if (tr_flags)	582	if (transparent)
803	{	583	{
804	XRenderPictureAttributes pa;
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
808		587
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		589
812	pa.repeat = True;	590	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		591
818	XRenderColor mask_c;	592	XRenderColor mask_c;
819		593
820	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
821	mask_c.red = 0;	595	mask_c.red =
822	mask_c.green = 0;	596	mask_c.green =
823	mask_c.blue = 0;	597	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
825	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
826		601
827	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
836	}	611	}
837		612
838	if (result != pixbuf)	613	if (result != pixbuf)
839	g_object_unref (result);	614	g_object_unref (result);
840		615
841	if (tr_flags)	616	if (transparent)
842	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
843		618
844	return ret;	619	return ret;
845	}	620	}
846	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
861	memcpy (f, file, len);	636	memcpy (f, file, len);
862	f[len] = '\0';	637	f[len] = '\0';
863	file = f;	638	file = f;
864	}	639	}
865		640
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	641	# ifdef HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	643	if (image)
883	{	644	{
884	if (pixbuf)	645	if (pixbuf)
…		…
902		663
903	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
904		665
905	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
906	bool	667	bool
907	rxvt_term::bg_set_transparent ()
908	{
909	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{
911	bg_flags \|= BG_IS_TRANSPARENT;
912	return true;
913	}
914
915	return false;
916	}
917
918	bool
919	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
920	{	669	{
921	bool changed = false;	670	bool changed = false;
922	unsigned int hr, vr;	671	unsigned int hr, vr;
923	int junk;	672	int junk;
…		…
941	{	690	{
942	changed = true;	691	changed = true;
943	v_blurRadius = vr;	692	v_blurRadius = vr;
944	}	693	}
945		694
946	if (v_blurRadius == 0 && h_blurRadius == 0)
947	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags \|= BG_NEEDS_BLUR;
950
951	return changed;	695	return changed;
952	}	696	}
953		697
954	void	698	bool
955	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
956	{	700	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	701	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
958	bool has_shade = shade != 100;	702	{
959		703	tint = new_tint;
960	bg_flags &= ~BG_TINT_FLAGS;	704	bg_flags \|= BG_TINT_SET;
961		705
962	if (bg_flags & BG_TINT_SET)	706	rgba c;
963	{
964	tint.get (c);	707	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	708	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
967	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	709	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
968	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	710	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
969	bg_flags \|= BG_TINT_BITAND;	711	bg_flags \|= BG_TINT_BITAND;
970	}	712	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;	713	bg_flags &= ~BG_TINT_BITAND;
983	set_tint_shade_flags ();	714
984	return true;	715	return true;
985	}	716	}
986		717
987	return false;	718	return false;
988	}	719	}
989		720
990	bool	721	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	722	rxvt_term::bg_set_shade (const char *shade_str)
992	{	723	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	724	int new_shade = atoi (shade_str);
994		725
995	clamp_it (new_shade, -100, 200);	726	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	727	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
998		729
999	if (new_shade != shade)	730	if (new_shade != shade)
1000	{	731	{
1001	shade = new_shade;	732	shade = new_shade;
1002	set_tint_shade_flags ();
1003	return true;	733	return true;
1004	}	734	}
1005		735
1006	return false;	736	return false;
1007	}	737	}
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	759	}
1030	#endif	760	#endif
1031		761
1032	bool	762	bool
1033	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	763	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1034	{	764	{
1035	bool ret = false;	765	bool ret = false;
1036	#if XRENDER	766	#if XRENDER
		767	if (!(bg_flags & BG_HAS_RENDER_CONV))
		768	return false;
		769
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	770	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double kernel = (double )malloc (size * sizeof (double));	771	double kernel = (double )malloc (size * sizeof (double));
1039	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	772	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1040		773
1041	XRenderPictureAttributes pa;	774	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043		776
		777	pa.repeat = RepeatPad;
1044	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1046		782
1047	if (kernel && params)	783	if (kernel && params)
1048	{	784	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		787
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1056	PictOpSrc,	790	PictOpSrc,
1057	src,	791	src,
1058	None,	792	None,
1059	dst,	793	dst,
1060	0, 0,	794	0, 0,
1061	0, 0,	795	0, 0,
1062	0, 0,	796	0, 0,
1063	width, height);	797	width, height);
1064	}
1065		798
1066	if (v_blurRadius)	799	::swap (src, dst);
1067	{	800
1068	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1071		804
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1074	PictOpSrc,	807	PictOpSrc,
1075	src,	808	src,
1076	None,	809	None,
1077	dst,	810	dst,
1078	0, 0,	811	0, 0,
1079	0, 0,	812	0, 0,
1080	0, 0,	813	0, 0,
1081	width, height);	814	width, height);
1082	}
1083		815
1084	ret = true;	816	ret = true;
1085	}	817	}
1086		818
1087	free (kernel);	819	free (kernel);
…		…
1091	#endif	823	#endif
1092	return ret;	824	return ret;
1093	}	825	}
1094		826
1095	bool	827	bool
1096	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1097	{	829	{
1098	bool ret = false;	830	bool ret = false;
1099		831
1100	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1101	{	833	{
1102	XGCValues gcv;	834	XGCValues gcv;
1103	GC gc;	835	GC gc;
1104		836
1105	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	846	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	847	ret = true;
1116	XFreeGC (dpy, gc);	848	XFreeGC (dpy, gc);
1117	}	849	}
1118	}	850	}
1119	else
1120	{
1121	# if XRENDER	851	# if XRENDER
		852	else if (bg_flags & BG_HAS_RENDER)
		853	{
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	854	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1123		855
1124	if (bg_flags & BG_TINT_SET)	856	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);	857	tint.get (c);
1126		858
…		…
1135	c.r = c.r * (200 - shade) / 100;	867	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	868	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	869	c.b = c.b * (200 - shade) / 100;
1138	}	870	}
1139		871
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	872	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		873
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	874	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		875
1146	pa.repeat = True;	876	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		877
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	878	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		879
1157	XRenderColor mask_c;	880	XRenderColor mask_c;
1158		881
1159	mask_c.alpha = 0xffff;	882	mask_c.alpha = 0xffff;
1160	mask_c.red =	883	mask_c.red =
…		…
1165	mask_c.alpha = 0;	888	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	889	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	890	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	891	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
1170	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	894	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1171		895
1172	if (shade > 100)	896	if (shade > 100)
1173	{	897	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	mask_c.alpha = 0;	898	mask_c.alpha = 0;
		899	mask_c.red =
		900	mask_c.green =
		901	mask_c.blue = 0xffff * (shade - 100) / 100;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		903
1178	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	904	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1179	}	905	}
1180		906
1181	ret = true;	907	ret = true;
1182		908
1183	XRenderFreePicture (dpy, mask_pic);	909	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	910	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	911	XRenderFreePicture (dpy, back_pic);
		912	}
1186	# endif	913	# endif
1187	}
1188		914
1189	return ret;	915	return ret;
1190	}	916	}
1191		917
1192	/*	918	/*
1193	* Builds a pixmap of the same size as the terminal window that contains	919	* 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	920	* the tiled portion of the root pixmap that is supposed to be covered by
1195	* our window.	921	* our window.
1196	*/	922	*/
1197	unsigned long	923	bool
1198	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1199	{	925	{
1200	unsigned long result = 0;	926	bool ret = false;
1201		927
1202	/* root dimensions may change from call to call - but Display structure should	928	/* root dimensions may change from call to call - but Display structure should
1203	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1204	*/	930	*/
1205	int screen = display->screen;	931	int screen = display->screen;
…		…
1243	#if XRENDER	969	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	970	if (bg_flags & BG_HAS_RENDER)
1245	{	971	{
1246	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	972	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1247		973
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	974	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	975	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		976
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	977	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	978	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		979
1256	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	980	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1257		981
1258	XRenderFreePicture (dpy, src);	982	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	983	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1000	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1001	bg_pmap_height = window_height;
1278	}	1002	}
1279		1003
1280	/* straightforward pixmap copy */	1004	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1005	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1006	while (sy < 0) sy += root_pmap_height;
1283		1007
1284	gcv.tile = recoded_root_pmap;	1008	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1009	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1010	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1011	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1289		1013
1290	if (gc)	1014	if (gc)
1291	{	1015	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1017	ret = true;
		1018	bool need_blur = h_blurRadius && v_blurRadius;
		1019	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
		1020
		1021	if (!(bg_flags & BG_CLIENT_RENDER))
		1022	{
		1023	if (need_blur)
		1024	{
		1025	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1026	need_blur = false;
		1027	}
		1028	if (need_tint)
		1029	{
		1030	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1031	need_tint = false;
		1032	}
		1033	if (need_tint)
		1034	{
		1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1036	if (ximage)
		1037	{
		1038	/* our own client-side tinting */
		1039	tint_ximage (ximage);
		1040
		1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1042	XDestroyImage (ximage);
		1043	}
		1044	}
		1045	} /* server side rendering completed */
		1046
1294	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1295
1296	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{
1298	if ((bg_flags & BG_NEEDS_BLUR)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1302	result &= ~BG_NEEDS_BLUR;
1303	}
1304	if ((bg_flags & BG_NEEDS_TINT)
1305	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1306	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1308	result &= ~BG_NEEDS_TINT;
1309	}
1310	} /* server side rendering completed */
1311	}	1048	}
1312		1049
1313	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1315		1052
1316	return result;	1053	return ret;
1317	}	1054	}
1318		1055
1319	void	1056	void
1320	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1321	{	1058	{
…		…
1325		1062
1326	root_pixmap = new_root_pixmap;	1063	root_pixmap = new_root_pixmap;
1327	}	1064	}
1328	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1329		1066
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	1067	bool
1335	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1336	{	1069	{
1337	unsigned long tr_flags = 0;	1070	bool transparent = false;
1338		1071
1339	bg_invalidate ();	1072	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1075	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1345	if (tr_flags == 0)	1078	if (transparent)
1346	return false;
1347	bg_flags \|= BG_IS_VALID;	1079	bg_flags \|= BG_IS_VALID;
1348	}	1080	}
1349	# endif	1081	# endif
1350		1082
1351	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1353	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1085	{
1355	if (render_image (tr_flags))	1086	if (render_image (transparent))
1356	bg_flags \|= BG_IS_VALID;	1087	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	}	1088	}
1391	# endif	1089	# endif
1392		1090
1393	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
1394	{	1092	{
…		…
1431	#endif	1129	#endif
1432	}	1130	}
1433		1131
1434	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1435		1133
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1437	/* based on code from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1438		1136
1439	static void	1137	static inline void
1440	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1139	{
		1140	for (int i = 0; i <= mask >> sh; i++)
		1141	{
		1142	uint32_t tmp;
		1143	tmp = i * high;
		1144	tmp += (mask >> sh) * low;
		1145	lookup[i] = (tmp / 0xffff) << sh;
		1146	}
		1147	}
		1148
		1149	void
		1150	rxvt_term::tint_ximage (XImage *ximage)
		1151	{
		1152	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1155	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1445	rgba low;	1156	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1158
1450	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1159	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1451		1160
1452	/* for convenience */	1161	/* for convenience */
1453	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1456		1165
1457	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1459	{	1168	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) \|\|	1170
1462	(mask_g != 0x03e0) \|\|	1171	size_r = mask_r >> sh_r;
1463	(mask_b != 0x001f))	1172	size_g = mask_g >> sh_g;
		1173	size_b = mask_b >> sh_b;
		1174
		1175	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1464	return;	1176	return;
1465	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1177
		1178	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1466	lookup_r = lookup;	1179	lookup_r = lookup;
1467	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1182
1470	sh_g = 5;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1184
1472	break;	1185	if (bg_flags & BG_TINT_SET)
1473	case 16:	1186	tint.get (c);
1474	if ((mask_r != 0xf800) \|\|
1475	(mask_g != 0x07e0) \|\|
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) \|\|
1488	(mask_g != 0x00ff00) \|\|
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
1500	if ((mask_r != 0xff0000) \|\|
1501	(mask_g != 0x00ff00) \|\|
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1187
1516	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1189	if (shade > 100)
1518	{	1190	{
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;	1191	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1192	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1193	c.b = c.b * (200 - shade) / 100;
		1194
		1195	low = 0xffff * (shade - 100) / 100;
1528	}	1196	}
1529	else	1197	else
1530	{	1198	{
1531	high.r = c.r * shade / 100;	1199	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1200	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1201	c.b = c.b * shade / 100;
1534		1202
1535	low.r = low.g = low.b = 0;	1203	low = 0;
1536	}	1204	}
1537		1205
1538	/* fill our lookup tables */	1206	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1207	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1209	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		1210
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1565	{	1214	{
1566	uint32_t p1, pf, p, pl;	1215	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1569		1216
1570	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1571	{
1572	p = p1;
1573	pl = p1 + ximage->width;
1574	for (; p < pl; p++)
1575	{	1218	{
1576	p = lookup_r[(p & 0xff0000) >> 16] \|	1219	uint32_t p = (uint32_t )line;
1577	lookup_g[(*p & 0x00ff00) >> 8] \|	1220	for (int x = 0; x < ximage->width; x++)
1578	lookup_b[(*p & 0x0000ff)] \|
1579	(*p & 0xff000000);
1580	}	1221	{
1581	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1222	p = lookup_r[(p & mask_r) >> sh_r] \|
		1223	lookup_g[(*p & mask_g) >> sh_g] \|
		1224	lookup_b[(*p & mask_b) >> sh_b];
		1225	p++;
		1226	}
		1227	line += ximage->bytes_per_line;
1582	}	1228	}
1583	}	1229	}
1584	else	1230	else
1585	{	1231	{
1586	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1240	}
1595	}	1241	}
1596		1242
1597	free (lookup);	1243	free (lookup);
1598	}	1244	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs. Revision 1.213 by sf-exg, Sun May 13 21:12:01 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs.
Revision 1.213 by sf-exg, Sun May 13 21:12:01 2012 UTC