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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 2011 UTC vs.
Revision 1.202 by sf-exg, Sat Feb 25 22:20:47 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
77	if (pixbuf)	64	if (pixbuf)
78	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
79	#endif	66	#endif
80		67
…		…
133		120
134	return false;	121	return false;
135	}	122	}
136		123
137	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	125	static inline int
173	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
174	{	127	{
175	int diff = window_size - image_size;	128	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);	129	int smaller = min (image_size, window_size);
177		130
178	if (align >= 0 && align <= 100)	131	if (align >= 0 && align <= 100)
179	return diff * align / 100;	132	return diff * align / 100;
180	else if (align > 100 && align <= 200)	133	else if (align > 100 && align <= 200)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	134	return (align - 100) * smaller / 100 + window_size - smaller;
182	else if (align >= -100 && align < 0)	135	else if (align >= -100 && align < 0)
183	return ((align + 100) * smaller / 100) - image_size;	136	return (align + 100) * smaller / 100 - image_size;
184	return 0;	137	return 0;
185	}	138	}
186		139
187	static inline int	140	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	141	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
…		…
195	src_pos = -pos;	148	src_pos = -pos;
196	dst_pos = 0;	149	dst_pos = 0;
197	dst_size += pos;	150	dst_size += pos;
198	}	151	}
199		152
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	153	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	154	return src_pos;
203	}	155	}
204		156
205	bool	157	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	158	rxvt_term::bg_set_geometry (const char *geom, bool update)
207	{	159	{
208	bool changed = false;	160	bool changed = false;
209	int geom_flags = 0;	161	int geom_flags = 0;
210	int x = 0, y = 0;	162	int x = h_align;
		163	int y = v_align;
211	unsigned int w = 0, h = 0;	164	unsigned int w = h_scale;
212	unsigned int n;	165	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	166	unsigned long new_flags = 0;
214	const char *ops;
215		167
216	if (geom == NULL)	168	if (geom == NULL)
217	return false;	169	return false;
218		170
219	char str[256];	171	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	172	{
236	/* we have geometry string - let's handle it prior to applying ops */	173	char **arr = rxvt_strsplit (':', geom);
		174
		175	for (int i = 0; arr[i]; i++)
		176	{
		177	if (!strcasecmp (arr[i], "style=tiled"))
		178	{
		179	new_flags = BG_TILE;
		180	w = h = noScale;
		181	x = y = 0;
		182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		183	}
		184	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		185	{
		186	new_flags = BG_KEEP_ASPECT;
		187	w = h = windowScale;
		188	x = y = centerAlign;
		189	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		190	}
		191	else if (!strcasecmp (arr[i], "style=stretched"))
		192	{
		193	new_flags = 0;
		194	w = h = windowScale;
		195	geom_flags = WidthValue\|HeightValue;
		196	}
		197	else if (!strcasecmp (arr[i], "style=centered"))
		198	{
		199	new_flags = 0;
		200	w = h = noScale;
		201	x = y = centerAlign;
		202	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
		203	}
		204	else if (!strcasecmp (arr[i], "style=root-tiled"))
		205	{
		206	new_flags = BG_TILE\|BG_ROOT_ALIGN;
		207	w = h = noScale;
		208	geom_flags = WidthValue\|HeightValue;
		209	}
		210	else if (!strcasecmp (arr[i], "op=tile"))
		211	new_flags \|= BG_TILE;
		212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		213	new_flags \|= BG_KEEP_ASPECT;
		214	else if (!strcasecmp (arr[i], "op=root-align"))
		215	new_flags \|= BG_ROOT_ALIGN;
		216
		217	// deprecated
		218	else if (!strcasecmp (arr[i], "tile"))
		219	{
		220	new_flags \|= BG_TILE;
		221	w = h = noScale;
		222	geom_flags \|= WidthValue\|HeightValue;
		223	}
		224	else if (!strcasecmp (arr[i], "propscale"))
		225	{
		226	new_flags \|= BG_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags \|= WidthValue\|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "hscale"))
		231	{
		232	new_flags \|= BG_TILE;
		233	w = windowScale;
		234	h = noScale;
		235	geom_flags \|= WidthValue\|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "vscale"))
		238	{
		239	new_flags \|= BG_TILE;
		240	h = windowScale;
		241	w = noScale;
		242	geom_flags \|= WidthValue\|HeightValue;
		243	}
		244	else if (!strcasecmp (arr[i], "scale"))
		245	{
		246	w = h = windowScale;
		247	geom_flags \|= WidthValue\|HeightValue;
		248	}
		249	else if (!strcasecmp (arr[i], "auto"))
		250	{
		251	w = h = windowScale;
		252	x = y = centerAlign;
		253	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
		254	}
		255	else if (!strcasecmp (arr[i], "root"))
		256	{
		257	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;
		258	w = h = noScale;
		259	geom_flags \|= WidthValue\|HeightValue;
		260	}
		261
		262	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	263	geom_flags \|= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	264	} /* done parsing ops */
		265
		266	rxvt_free_strsplit (arr);
		267	}
		268
		269	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
239		270
240	if (!update)	271	if (!update)
241	{	272	{
242	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	279	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
250	h = w;	281	h = w;
251	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
252	w = h;	283	w = h;
253
254	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
255	}
256
257	if (ops)
258	{	284	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		285
261	for (int i = 0; arr[i]; i++)	286	min_it (w, 1000);
262	{	287	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	288	clamp_it (x, -100, 200);
264	{	289	clamp_it (y, -100, 200);
265	new_flags \|= BG_TILE;
266	w = h = noScale;
267	geom_flags \|= WidthValue\|HeightValue;
268	}
269	else if (!strcasecmp (arr[i], "propscale"))
270	{
271	new_flags \|= BG_PROP_SCALE;
272	}
273	else if (!strcasecmp (arr[i], "hscale"))
274	{
275	if (w == 0) w = windowScale;
276		290
277	h = noScale;	291	if (bg_flags != new_flags
278	geom_flags \|= WidthValue\|HeightValue;	292	\|\| h_scale != w
279	}	293	\|\| v_scale != h
280	else if (!strcasecmp (arr[i], "vscale"))	294	\|\| h_align != x
281	{	295	\|\| v_align != y)
282	if (h == 0) h = windowScale;
283
284	w = noScale;
285	geom_flags \|= WidthValue\|HeightValue;
286	}
287	else if (!strcasecmp (arr[i], "scale"))
288	{
289	if (h == 0) h = windowScale;
290	if (w == 0) w = windowScale;
291
292	geom_flags \|= WidthValue\|HeightValue;
293	}
294	else if (!strcasecmp (arr[i], "auto"))
295	{
296	w = h = windowScale;
297	x = y = centerAlign;
298	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
299	}
300	else if (!strcasecmp (arr[i], "root"))
301	{
302	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;
303	w = h = noScale;
304	geom_flags \|= WidthValue\|HeightValue;
305	}
306	} /* done parsing ops */
307
308	rxvt_free_strsplit (arr);
309	}
310
311	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
312	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
313	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
314	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
315
316	if (new_flags != bg_flags)
317	{	296	{
318	bg_flags = new_flags;	297	bg_flags = new_flags;
		298	h_scale = w;
		299	v_scale = h;
		300	h_align = x;
		301	v_align = y;
319	changed = true;	302	changed = true;
320	}	303	}
321		304
322	return changed;	305	return changed;
323	}	306	}
…		…
326	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
327	{	310	{
328	int target_width = szHint.width;	311	int target_width = szHint.width;
329	int target_height = szHint.height;	312	int target_height = szHint.height;
330		313
		314	w = h_scale * target_width / 100;
		315	h = v_scale * target_height / 100;
		316
331	if (bg_flags & BG_PROP_SCALE)	317	if (bg_flags & BG_KEEP_ASPECT)
332	{	318	{
333	float scale = (float)target_width / image_width;	319	float scale = (float)w / image_width;
334	min_it (scale, (float)target_height / image_height);	320	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	321	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	322	h = image_height * scale + 0.5;
337	}	323	}
338	else
339	{
340	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;
342	}
343		324
344	if (!w) w = image_width;	325	if (!w) w = image_width;
345	if (!h) h = image_height;	326	if (!h) h = image_height;
346		327
347	if (bg_flags & BG_ROOT_ALIGN)	328	if (bg_flags & BG_ROOT_ALIGN)
…		…
355	y = make_align_position (v_align, target_height, h);	336	y = make_align_position (v_align, target_height, h);
356	}	337	}
357		338
358	bg_flags &= ~BG_IS_SIZE_SENSITIVE;	339	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
359	if (!(bg_flags & BG_TILE)	340	if (!(bg_flags & BG_TILE)
360	\|\| (bg_flags & BG_PROP_SCALE) \|\| h_scale \|\| v_scale	341	\|\| h_scale \|\| v_scale
361	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	342	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
362	\|\| w > target_width \|\| h > target_height)	343	\|\| w > target_width \|\| h > target_height)
363	bg_flags \|= BG_IS_SIZE_SENSITIVE;	344	bg_flags \|= BG_IS_SIZE_SENSITIVE;
364	}	345	}
365
366	# ifdef HAVE_AFTERIMAGE
367	bool
368	rxvt_term::render_image (unsigned long tr_flags)
369	{
370	init_asv ();
371
372	ASImage *background = NULL;
373	ARGB32 background_tint = TINT_LEAVE_SAME;
374
375	# ifdef ENABLE_TRANSPARENCY
376	if (tr_flags)
377	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
378
379	if (tr_flags & BG_NEEDS_TINT)
380	{
381	ShadingInfo as_shade;
382	as_shade.shading = shade;
383
384	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
385	if (bg_flags & BG_TINT_SET)
386	tint.get (c);
387	as_shade.tintColor.red = c.r;
388	as_shade.tintColor.green = c.g;
389	as_shade.tintColor.blue = c.b;
390
391	background_tint = shading2tint32 (&as_shade);
392	}
393
394	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
395	{
396	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
397	(original_asim == NULL \|\| tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
398	100, ASIMAGE_QUALITY_DEFAULT);
399	if (tmp)
400	{
401	destroy_asimage (&background);
402	background = tmp;
403	}
404	}
405	# endif
406
407	ASImage *result = 0;
408
409	int target_width = szHint.width;
410	int target_height = szHint.height;
411	int new_pmap_width = target_width;
412	int new_pmap_height = target_height;
413
414	int x = 0;
415	int y = 0;
416	int w = 0;
417	int h = 0;
418
419	if (original_asim)
420	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
421
422	if (!original_asim
423	\|\| (!(bg_flags & BG_ROOT_ALIGN)
424	&& (x >= target_width
425	\|\| y >= target_height
426	\|\| (x + w <= 0)
427	\|\| (y + h <= 0))))
428	{
429	if (background)
430	{
431	new_pmap_width = background->width;
432	new_pmap_height = background->height;
433	result = background;
434
435	if (background_tint != TINT_LEAVE_SAME)
436	{
437	ASImage *tmp = tile_asimage (asv, background, 0, 0,
438	target_width, target_height, background_tint,
439	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
440	if (tmp)
441	result = tmp;
442	}
443	}
444	else
445	new_pmap_width = new_pmap_height = 0;
446	}
447	else
448	{
449	result = original_asim;
450
451	if ((w != original_asim->width)
452	\|\| (h != original_asim->height))
453	{
454	result = scale_asimage (asv, original_asim,
455	w, h,
456	background ? ASA_ASImage : ASA_XImage,
457	100, ASIMAGE_QUALITY_DEFAULT);
458	}
459
460	if (background == NULL)
461	{
462	if (bg_flags & BG_TILE)
463	{
464	/* if tiling - pixmap has to be sized exactly as the image,
465	but there is no need to make it bigger than the window! */
466	new_pmap_width = min (result->width, target_width);
467	new_pmap_height = min (result->height, target_height);
468
469	/* we also need to tile our image in both directions */
470	ASImage *tmp = tile_asimage (asv, result,
471	(int)result->width - x,
472	(int)result->height - y,
473	new_pmap_width,
474	new_pmap_height,
475	TINT_LEAVE_SAME, ASA_XImage,
476	100, ASIMAGE_QUALITY_DEFAULT);
477	if (tmp)
478	{
479	if (result != original_asim)
480	destroy_asimage (&result);
481
482	result = tmp;
483	}
484	}
485	}
486	else
487	{
488	/* if blending background and image - pixmap has to be sized same as target window */
489	ASImageLayer *layers = create_image_layers (2);
490
491	layers[0].im = background;
492	layers[0].clip_width = target_width;
493	layers[0].clip_height = target_height;
494	layers[0].tint = background_tint;
495	layers[1].im = result;
496
497	if (bg_flags & BG_TILE)
498	{
499	/* tile horizontally */
500	while (x > 0) x -= (int)result->width;
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width+target_width;
503	}
504	else
505	{
506	/* clip horizontally */
507	layers[1].dst_x = x;
508	layers[1].clip_width = result->width;
509	}
510
511	if (bg_flags & BG_TILE)
512	{
513	while (y > 0) y -= (int)result->height;
514	layers[1].dst_y = y;
515	layers[1].clip_height = result->height + target_height;
516	}
517	else
518	{
519	layers[1].dst_y = y;
520	layers[1].clip_height = result->height;
521	}
522
523	if (rs[Rs_blendtype])
524	{
525	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
526	if (layers[1].merge_scanlines == NULL)
527	layers[1].merge_scanlines = alphablend_scanlines;
528	}
529
530	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
532
533	if (tmp)
534	{
535	if (result != original_asim)
536	destroy_asimage (&result);
537
538	result = tmp;
539	}
540
541	free (layers);
542	}
543	}
544
545	bool ret = false;
546
547	if (result)
548	{
549	XGCValues gcv;
550	GC gc;
551
552	/* create Pixmap */
553	if (bg_pixmap == None
554	\|\| bg_pmap_width != new_pmap_width
555	\|\| bg_pmap_height != new_pmap_height)
556	{
557	if (bg_pixmap)
558	XFreePixmap (dpy, bg_pixmap);
559	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
560	bg_pmap_width = new_pmap_width;
561	bg_pmap_height = new_pmap_height;
562	}
563	/* fill with background color (if result's not completely overlapping it) */
564	gcv.foreground = pix_colors[Color_bg];
565	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
566
567	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
568	int dst_width = result->width, dst_height = result->height;
569	if (background == NULL)
570	{
571	if (!(bg_flags & BG_TILE))
572	{
573	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
574	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
575	}
576
577	if (dst_x > 0 \|\| dst_y > 0
578	\|\| dst_x + dst_width < new_pmap_width
579	\|\| dst_y + dst_height < new_pmap_height)
580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
581	}
582
583	/* put result on pixmap */
584	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
585	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
586
587	if (result != background && result != original_asim)
588	destroy_asimage (&result);
589
590	XFreeGC (dpy, gc);
591
592	ret = true;
593	}
594
595	if (background)
596	destroy_asimage (&background);
597
598	return ret;
599	}
600	# endif /* HAVE_AFTERIMAGE */
601		346
602	# ifdef HAVE_PIXBUF	347	# ifdef HAVE_PIXBUF
603	bool	348	bool
604	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	349	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
605	int src_x, int src_y, int dst_x, int dst_y,	350	int src_x, int src_y, int dst_x, int dst_y,
…		…
682	XDestroyImage (ximage);	427	XDestroyImage (ximage);
683	return true;	428	return true;
684	}	429	}
685		430
686	bool	431	bool
687	rxvt_term::render_image (unsigned long tr_flags)	432	rxvt_term::render_image (bool transparent)
688	{	433	{
689	if (!pixbuf)	434	if (!pixbuf)
690	return false;	435	return false;
691		436
692	if (tr_flags	437	if (transparent
693	&& !(bg_flags & BG_HAS_RENDER))	438	&& !(bg_flags & BG_HAS_RENDER))
694	return false;	439	return false;
695		440
696	GdkPixbuf *result;	441	GdkPixbuf *result;
697		442
…		…
711	get_image_geometry (image_width, image_height, w, h, x, y);	456	get_image_geometry (image_width, image_height, w, h, x, y);
712		457
713	if (!(bg_flags & BG_ROOT_ALIGN)	458	if (!(bg_flags & BG_ROOT_ALIGN)
714	&& (x >= target_width	459	&& (x >= target_width
715	\|\| y >= target_height	460	\|\| y >= target_height
716	\|\| (x + w <= 0)	461	\|\| x + w <= 0
717	\|\| (y + h <= 0)))	462	\|\| y + h <= 0))
718	return false;	463	return false;
719		464
720	result = pixbuf;	465	result = pixbuf;
721		466
722	if ((w != image_width)	467	if (w != image_width
723	\|\| (h != image_height))	468	\|\| h != image_height)
724	{	469	{
725	result = gdk_pixbuf_scale_simple (pixbuf,	470	result = gdk_pixbuf_scale_simple (pixbuf,
726	w, h,	471	w, h,
727	GDK_INTERP_BILINEAR);	472	GDK_INTERP_BILINEAR);
728	}	473	}
…		…
737	Pixmap root_pmap;	482	Pixmap root_pmap;
738		483
739	image_width = gdk_pixbuf_get_width (result);	484	image_width = gdk_pixbuf_get_width (result);
740	image_height = gdk_pixbuf_get_height (result);	485	image_height = gdk_pixbuf_get_height (result);
741		486
742	if (tr_flags)	487	if (transparent)
743	{	488	{
744	root_pmap = bg_pixmap;	489	root_pmap = bg_pixmap;
745	bg_pixmap = None;	490	bg_pixmap = None;
746	}	491	}
747	else	492	else
…		…
805	dst_x, dst_y,	550	dst_x, dst_y,
806	dst_width, dst_height);	551	dst_width, dst_height);
807	}	552	}
808		553
809	#if XRENDER	554	#if XRENDER
810	if (tr_flags)	555	if (transparent)
811	{	556	{
812	XRenderPictureAttributes pa;
813
814	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	557	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		558
815	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	559	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
816		560
817	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
818	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	561	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
819		562
820	pa.repeat = True;	563	Picture mask = create_xrender_mask (dpy, vt, False, False);
821	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
822	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
823	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
824	XFreePixmap (dpy, mask_pmap);
825		564
826	XRenderColor mask_c;	565	XRenderColor mask_c;
827		566
828	mask_c.alpha = 0x8000;	567	mask_c.alpha = 0x8000;
829	mask_c.red = 0;	568	mask_c.red =
830	mask_c.green = 0;	569	mask_c.green =
831	mask_c.blue = 0;	570	mask_c.blue = 0;
832	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	571	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		572
833	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	573	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
834		574
835	XRenderFreePicture (dpy, src);	575	XRenderFreePicture (dpy, src);
836	XRenderFreePicture (dpy, dst);	576	XRenderFreePicture (dpy, dst);
837	XRenderFreePicture (dpy, mask);	577	XRenderFreePicture (dpy, mask);
…		…
844	}	584	}
845		585
846	if (result != pixbuf)	586	if (result != pixbuf)
847	g_object_unref (result);	587	g_object_unref (result);
848		588
849	if (tr_flags)	589	if (transparent)
850	XFreePixmap (dpy, root_pmap);	590	XFreePixmap (dpy, root_pmap);
851		591
852	return ret;	592	return ret;
853	}	593	}
854	# endif /* HAVE_PIXBUF */	594	# endif /* HAVE_PIXBUF */
…		…
857	rxvt_term::bg_set_file (const char *file)	597	rxvt_term::bg_set_file (const char *file)
858	{	598	{
859	if (!file \|\| !*file)	599	if (!file \|\| !*file)
860	return false;	600	return false;
861		601
		602	bool ret = false;
862	if (const char *p = strchr (file, ';'))	603	const char *p = strchr (file, ';');
		604
		605	if (p)
863	{	606	{
864	size_t len = p - file;	607	size_t len = p - file;
865	char *f = rxvt_temp_buf<char> (len + 1);	608	char *f = rxvt_temp_buf<char> (len + 1);
866	memcpy (f, file, len);	609	memcpy (f, file, len);
867	f[len] = '\0';	610	f[len] = '\0';
868	file = f;	611	file = f;
869	}	612	}
870		613
871	# ifdef HAVE_AFTERIMAGE
872	if (!asimman)
873	asimman = create_generic_imageman (rs[Rs_path]);
874	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
875	if (image)
876	{
877	if (original_asim)
878	safe_asimage_destroy (original_asim);
879	original_asim = image;
880	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
881	return true;
882	}
883	# endif
884
885	# ifdef HAVE_PIXBUF	614	# ifdef HAVE_PIXBUF
886	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	615	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
887	if (image)	616	if (image)
888	{	617	{
889	if (pixbuf)	618	if (pixbuf)
890	g_object_unref (pixbuf);	619	g_object_unref (pixbuf);
891	pixbuf = image;	620	pixbuf = image;
892	bg_flags \|= BG_IS_FROM_FILE;	621	bg_flags \|= BG_IS_FROM_FILE;
893	return true;	622	ret = true;
894	}	623	}
895	# endif	624	# endif
896		625
		626	if (ret)
		627	{
		628	if (p)
		629	bg_set_geometry (p + 1);
		630	else
		631	bg_set_default_geometry ();
		632	}
		633
897	return false;	634	return ret;
898	}	635	}
899		636
900	# endif /* BG_IMAGE_FROM_FILE */	637	# endif /* BG_IMAGE_FROM_FILE */
901		638
902	# ifdef ENABLE_TRANSPARENCY	639	# ifdef ENABLE_TRANSPARENCY
…		…
938	{	675	{
939	changed = true;	676	changed = true;
940	v_blurRadius = vr;	677	v_blurRadius = vr;
941	}	678	}
942		679
943	if (v_blurRadius == 0 && h_blurRadius == 0)	680	if (h_blurRadius == 0 \|\| v_blurRadius == 0)
944	bg_flags &= ~BG_NEEDS_BLUR;	681	bg_flags &= ~BG_NEEDS_BLUR;
945	else	682	else
946	bg_flags \|= BG_NEEDS_BLUR;	683	bg_flags \|= BG_NEEDS_BLUR;
947		684
948	return changed;	685	return changed;
949	}	686	}
950		687
951	void	688	void
952	rxvt_term::set_tint_shade_flags ()	689	rxvt_term::set_tint_shade_flags ()
953	{	690	{
954	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	691	rgba c;
955	bool has_shade = shade != 100;	692	bool has_shade = shade != 100;
956		693
957	bg_flags &= ~BG_TINT_FLAGS;	694	bg_flags &= ~BG_TINT_FLAGS;
958		695
959	if (bg_flags & BG_TINT_SET)	696	if (bg_flags & BG_TINT_SET)
…		…
985	}	722	}
986		723
987	bool	724	bool
988	rxvt_term::bg_set_shade (const char *shade_str)	725	rxvt_term::bg_set_shade (const char *shade_str)
989	{	726	{
990	int new_shade = (shade_str) ? atoi (shade_str) : 100;	727	int new_shade = atoi (shade_str);
991		728
992	clamp_it (new_shade, -100, 200);	729	clamp_it (new_shade, -100, 200);
993	if (new_shade < 0)	730	if (new_shade < 0)
994	new_shade = 200 - (100 + new_shade);	731	new_shade = 200 - (100 + new_shade);
995		732
…		…
1025	params[i+2] = XDoubleToFixed (kernel[i] / sum);	762	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1026	}	763	}
1027	#endif	764	#endif
1028		765
1029	bool	766	bool
1030	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	767	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1031	{	768	{
1032	bool ret = false;	769	bool ret = false;
1033	#if XRENDER	770	#if XRENDER
		771	if (!(bg_flags & BG_HAS_RENDER_CONV))
		772	return false;
		773
1034	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	774	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1035	double kernel = (double )malloc (size * sizeof (double));	775	double kernel = (double )malloc (size * sizeof (double));
1036	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	776	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1037		777
1038	XRenderPictureAttributes pa;	778	XRenderPictureAttributes pa;
1039	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	779	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1040		780
		781	pa.repeat = RepeatPad;
1041	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		783	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1042	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	784	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		785	XFreePixmap (dpy, tmp);
1043		786
1044	if (kernel && params)	787	if (kernel && params)
1045	{	788	{
1046	if (h_blurRadius)
1047	{
1048	size = h_blurRadius * 2 + 1;	789	size = h_blurRadius * 2 + 1;
1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);	790	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1050		791
1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	792	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1052	XRenderComposite (dpy,	793	XRenderComposite (dpy,
1053	PictOpSrc,	794	PictOpSrc,
1054	src,	795	src,
1055	None,	796	None,
1056	dst,	797	dst,
1057	0, 0,	798	0, 0,
1058	0, 0,	799	0, 0,
1059	0, 0,	800	0, 0,
1060	width, height);	801	width, height);
1061	}
1062		802
1063	if (v_blurRadius)	803	::swap (src, dst);
1064	{	804
1065	size = v_blurRadius * 2 + 1;	805	size = v_blurRadius * 2 + 1;
1066	get_gaussian_kernel (v_blurRadius, size, kernel, params);	806	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1067	::swap (params[0], params[1]);	807	::swap (params[0], params[1]);
1068		808
1069	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	809	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1070	XRenderComposite (dpy,	810	XRenderComposite (dpy,
1071	PictOpSrc,	811	PictOpSrc,
1072	src,	812	src,
1073	None,	813	None,
1074	dst,	814	dst,
1075	0, 0,	815	0, 0,
1076	0, 0,	816	0, 0,
1077	0, 0,	817	0, 0,
1078	width, height);	818	width, height);
1079	}
1080		819
1081	ret = true;	820	ret = true;
1082	}	821	}
1083		822
1084	free (kernel);	823	free (kernel);
…		…
1111	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	850	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1112	ret = true;	851	ret = true;
1113	XFreeGC (dpy, gc);	852	XFreeGC (dpy, gc);
1114	}	853	}
1115	}	854	}
1116	else
1117	{
1118	# if XRENDER	855	# if XRENDER
		856	else if (bg_flags & BG_HAS_RENDER)
		857	{
1119	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	858	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1120		859
1121	if (bg_flags & BG_TINT_SET)	860	if (bg_flags & BG_TINT_SET)
1122	tint.get (c);	861	tint.get (c);
1123		862
…		…
1132	c.r = c.r * (200 - shade) / 100;	871	c.r = c.r * (200 - shade) / 100;
1133	c.g = c.g * (200 - shade) / 100;	872	c.g = c.g * (200 - shade) / 100;
1134	c.b = c.b * (200 - shade) / 100;	873	c.b = c.b * (200 - shade) / 100;
1135	}	874	}
1136		875
1137	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1138	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	876	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1139	XRenderPictureAttributes pa;
1140		877
1141	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	878	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1142		879
1143	pa.repeat = True;	880	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1144		881
1145	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	882	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1146	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1147	XFreePixmap (dpy, overlay_pmap);
1148
1149	pa.component_alpha = True;
1150	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1151	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat \| CPComponentAlpha, &pa);
1152	XFreePixmap (dpy, mask_pmap);
1153		883
1154	XRenderColor mask_c;	884	XRenderColor mask_c;
1155		885
1156	mask_c.alpha = 0xffff;	886	mask_c.alpha = 0xffff;
1157	mask_c.red =	887	mask_c.red =
…		…
1162	mask_c.alpha = 0;	892	mask_c.alpha = 0;
1163	mask_c.red = 0xffff - c.r;	893	mask_c.red = 0xffff - c.r;
1164	mask_c.green = 0xffff - c.g;	894	mask_c.green = 0xffff - c.g;
1165	mask_c.blue = 0xffff - c.b;	895	mask_c.blue = 0xffff - c.b;
1166	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	896	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		897
1167	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	898	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1168		899
1169	if (shade > 100)	900	if (shade > 100)
1170	{	901	{
1171	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1172	mask_c.alpha = 0;	902	mask_c.alpha = 0;
		903	mask_c.red =
		904	mask_c.green =
		905	mask_c.blue = 0xffff * (shade - 100) / 100;
1173	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	906	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1174		907
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	908	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176	}	909	}
1177		910
1178	ret = true;	911	ret = true;
1179		912
1180	XRenderFreePicture (dpy, mask_pic);	913	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	914	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	915	XRenderFreePicture (dpy, back_pic);
		916	}
1183	# endif	917	# endif
1184	}
1185		918
1186	return ret;	919	return ret;
1187	}	920	}
1188		921
1189	/*	922	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	923	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	924	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	925	* our window.
1193	*/	926	*/
1194	unsigned long	927	bool
1195	rxvt_term::make_transparency_pixmap ()	928	rxvt_term::make_transparency_pixmap ()
1196	{	929	{
1197	unsigned long result = 0;	930	bool ret = false;
1198		931
1199	/* root dimensions may change from call to call - but Display structure should	932	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	933	* be always up-to-date, so let's use it :
1201	*/	934	*/
1202	int screen = display->screen;	935	int screen = display->screen;
…		…
1240	#if XRENDER	973	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	974	if (bg_flags & BG_HAS_RENDER)
1242	{	975	{
1243	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	976	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		977
1245	XRenderPictureAttributes pa;
1246
1247	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	978	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1248	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	979	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1249		980
1250	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	981	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1251	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	982	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1252		983
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	984	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254		985
1255	XRenderFreePicture (dpy, src);	986	XRenderFreePicture (dpy, src);
1256	XRenderFreePicture (dpy, dst);	987	XRenderFreePicture (dpy, dst);
…		…
1273	bg_pmap_width = window_width;	1004	bg_pmap_width = window_width;
1274	bg_pmap_height = window_height;	1005	bg_pmap_height = window_height;
1275	}	1006	}
1276		1007
1277	/* straightforward pixmap copy */	1008	/* straightforward pixmap copy */
1278	while (sx < 0) sx += root_width;	1009	while (sx < 0) sx += root_pmap_width;
1279	while (sy < 0) sy += root_height;	1010	while (sy < 0) sy += root_pmap_height;
1280		1011
1281	gcv.tile = recoded_root_pmap;	1012	gcv.tile = recoded_root_pmap;
1282	gcv.fill_style = FillTiled;	1013	gcv.fill_style = FillTiled;
1283	gcv.ts_x_origin = -sx;	1014	gcv.ts_x_origin = -sx;
1284	gcv.ts_y_origin = -sy;	1015	gcv.ts_y_origin = -sy;
1285	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1016	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1286		1017
1287	if (gc)	1018	if (gc)
1288	{	1019	{
1289	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1020	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1290	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1021	ret = true;
		1022	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1023
		1024	if (!(bg_flags & BG_CLIENT_RENDER))
		1025	{
		1026	if (bg_flags & BG_NEEDS_BLUR)
		1027	{
		1028	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1029	tr_flags &= ~BG_NEEDS_BLUR;
		1030	}
		1031	if (bg_flags & BG_NEEDS_TINT)
		1032	{
		1033	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1034	tr_flags &= ~BG_NEEDS_TINT;
		1035	}
		1036	if (tr_flags & BG_NEEDS_TINT)
		1037	{
		1038	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1039	if (ximage)
		1040	{
		1041	/* our own client-side tinting */
		1042	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1043
		1044	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1045	XDestroyImage (ximage);
		1046	}
		1047	}
		1048	} /* server side rendering completed */
		1049
1291	XFreeGC (dpy, gc);	1050	XFreeGC (dpy, gc);
1292
1293	if (!(bg_flags & BG_CLIENT_RENDER))
1294	{
1295	if ((bg_flags & BG_NEEDS_BLUR)
1296	&& (bg_flags & BG_HAS_RENDER_CONV))
1297	{
1298	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1299	result &= ~BG_NEEDS_BLUR;
1300	}
1301	if ((bg_flags & BG_NEEDS_TINT)
1302	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1303	{
1304	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_TINT;
1306	}
1307	} /* server side rendering completed */
1308	}	1051	}
1309		1052
1310	if (recoded_root_pmap != root_pixmap)	1053	if (recoded_root_pmap != root_pixmap)
1311	XFreePixmap (dpy, recoded_root_pmap);	1054	XFreePixmap (dpy, recoded_root_pmap);
1312		1055
1313	return result;	1056	return ret;
1314	}	1057	}
1315		1058
1316	void	1059	void
1317	rxvt_term::bg_set_root_pixmap ()	1060	rxvt_term::bg_set_root_pixmap ()
1318	{	1061	{
…		…
1322		1065
1323	root_pixmap = new_root_pixmap;	1066	root_pixmap = new_root_pixmap;
1324	}	1067	}
1325	# endif /* ENABLE_TRANSPARENCY */	1068	# endif /* ENABLE_TRANSPARENCY */
1326		1069
1327	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1328	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1329	# endif
1330
1331	bool	1070	bool
1332	rxvt_term::bg_render ()	1071	rxvt_term::bg_render ()
1333	{	1072	{
1334	unsigned long tr_flags = 0;	1073	bool transparent = false;
1335		1074
1336	bg_invalidate ();	1075	bg_invalidate ();
1337	# ifdef ENABLE_TRANSPARENCY	1076	# ifdef ENABLE_TRANSPARENCY
1338	if (bg_flags & BG_IS_TRANSPARENT)	1077	if (bg_flags & BG_IS_TRANSPARENT)
1339	{	1078	{
1340	/* we need to re-generate transparency pixmap in that case ! */	1079	/* we need to re-generate transparency pixmap in that case ! */
1341	tr_flags = make_transparency_pixmap ();	1080	transparent = make_transparency_pixmap ();
1342	if (tr_flags == 0)	1081	if (transparent)
1343	return false;
1344	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1345	bg_flags \|= BG_IS_VALID;	1082	bg_flags \|= BG_IS_VALID;
1346	}	1083	}
1347	# endif	1084	# endif
1348		1085
1349	# ifdef BG_IMAGE_FROM_FILE	1086	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1087	if (bg_flags & BG_IS_FROM_FILE)
1351	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1088	{
1353	if (render_image (tr_flags))	1089	if (render_image (transparent))
1354	bg_flags \|= BG_IS_VALID;	1090	bg_flags \|= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags && !(bg_flags & BG_IS_VALID))
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	if (tr_flags & BG_NEEDS_TINT)
1370	{
1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1372	if (bg_flags & BG_TINT_SET)
1373	tint.get (c);
1374	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1375	}
1376
1377	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1378
1379	if (gc)
1380	{
1381	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1382
1383	XFreeGC (dpy, gc);
1384	bg_flags \|= BG_IS_VALID;
1385	}
1386
1387	XDestroyImage (result);
1388	}	1091	}
1389	# endif	1092	# endif
1390		1093
1391	if (!(bg_flags & BG_IS_VALID))	1094	if (!(bg_flags & BG_IS_VALID))
1392	{	1095	{
…		…
1429	#endif	1132	#endif
1430	}	1133	}
1431		1134
1432	#endif /* HAVE_BG_PIXMAP */	1135	#endif /* HAVE_BG_PIXMAP */
1433		1136
1434	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1137	#ifdef ENABLE_TRANSPARENCY
1435	/* taken from aterm-0.4.2 */	1138	/* based on code from aterm-0.4.2 */
1436		1139
1437	static void	1140	static inline void
1438	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1141	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
		1142	{
		1143	for (int i = 0; i <= mask >> sh; i++)
		1144	{
		1145	uint32_t tmp;
		1146	tmp = i * high;
		1147	tmp += (mask >> sh) * low;
		1148	lookup[i] = (tmp / 0xffff) << sh;
		1149	}
		1150	}
		1151
		1152	void
		1153	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1439	{	1154	{
1440	int sh_r, sh_g, sh_b;	1155	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1156	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1157	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1443	rgba low;	1158	unsigned short low;
1444	rgba high;
1445	int i;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1159	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1447		1160
1448	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1161	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1449		1162
1450	/* for convenience */	1163	/* for convenience */
…		…
1509	break;	1222	break;
1510	default:	1223	default:
1511	return; /* we do not support this color depth */	1224	return; /* we do not support this color depth */
1512	}	1225	}
1513		1226
		1227	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		1228
		1229	if (bg_flags & BG_TINT_SET)
		1230	tint.get (c);
		1231
1514	/* prepare limits for color transformation (each channel is handled separately) */	1232	/* prepare limits for color transformation (each channel is handled separately) */
1515	if (shade > 100)	1233	if (shade > 100)
1516	{	1234	{
1517	shade = 200 - shade;
1518
1519	high.r = c.r * shade / 100;
1520	high.g = c.g * shade / 100;
1521	high.b = c.b * shade / 100;
1522
1523	low.r = 65535 * (100 - shade) / 100;	1235	c.r = c.r * (200 - shade) / 100;
1524	low.g = 65535 * (100 - shade) / 100;	1236	c.g = c.g * (200 - shade) / 100;
1525	low.b = 65535 * (100 - shade) / 100;	1237	c.b = c.b * (200 - shade) / 100;
		1238
		1239	low = 0xffff * (shade - 100) / 100;
1526	}	1240	}
1527	else	1241	else
1528	{	1242	{
1529	high.r = c.r * shade / 100;	1243	c.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;	1244	c.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;	1245	c.b = c.b * shade / 100;
1532		1246
1533	low.r = low.g = low.b = 0;	1247	low = 0;
1534	}	1248	}
1535		1249
1536	/* fill our lookup tables */	1250	/* fill our lookup tables */
1537	for (i = 0; i <= mask_r>>sh_r; i++)	1251	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1538	{	1252	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	uint32_t tmp;	1253	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540	tmp = i * high.r;
1541	tmp += (mask_r>>sh_r) * low.r;
1542	lookup_r[i] = (tmp/65535)<<sh_r;
1543	}
1544	for (i = 0; i <= mask_g>>sh_g; i++)
1545	{
1546	uint32_t tmp;
1547	tmp = i * high.g;
1548	tmp += (mask_g>>sh_g) * low.g;
1549	lookup_g[i] = (tmp/65535)<<sh_g;
1550	}
1551	for (i = 0; i <= mask_b>>sh_b; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.b;
1555	tmp += (mask_b>>sh_b) * low.b;
1556	lookup_b[i] = (tmp/65535)<<sh_b;
1557	}
1558		1254
1559	/* apply table to input image (replacing colors by newly calculated ones) */	1255	/* apply table to input image (replacing colors by newly calculated ones) */
1560	if (ximage->bits_per_pixel == 32	1256	if (ximage->bits_per_pixel == 32
1561	&& (ximage->depth == 24 \|\| ximage->depth == 32)	1257	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1562	&& ximage->byte_order == host_byte_order)	1258	&& ximage->byte_order == host_byte_order)
…		…
1592	}	1288	}
1593	}	1289	}
1594		1290
1595	free (lookup);	1291	free (lookup);
1596	}	1292	}
1597	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1293	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 2011 UTC vs. Revision 1.202 by sf-exg, Sat Feb 25 22:20:47 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 2011 UTC vs.
Revision 1.202 by sf-exg, Sat Feb 25 22:20:47 2012 UTC