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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.150 by sf-exg, Sun May 8 21:00:45 2011 UTC vs.
Revision 1.209 by sf-exg, Fri May 11 12:21:22 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	/*	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;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
179	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	130	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	132	else
183	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	134	}
186		135
187	static inline int	136	static inline int
188	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)
189	{	138	{
…		…
195	src_pos = -pos;	144	src_pos = -pos;
196	dst_pos = 0;	145	dst_pos = 0;
197	dst_size += pos;	146	dst_size += pos;
198	}	147	}
199		148
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	150	return src_pos;
203	}	151	}
204		152
205	bool	153	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
207	{	155	{
208	bool changed = false;	156	bool changed = false;
209	int geom_flags = 0;	157	int geom_flags = 0;
210	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
211	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
212	unsigned int n;	161	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	162	unsigned long new_flags = 0;
214	const char *ops;
215		163
216	if (geom == NULL)	164	if (geom == NULL)
217	return false;	165	return false;
218		166
219	char str[256];	167	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	{	168	{
236	/* we have geometry string - let's handle it prior to applying ops */	169	char **arr = rxvt_strsplit (':', geom);
		170
		171	for (int i = 0; arr[i]; i++)
		172	{
		173	if (!strcasecmp (arr[i], "style=tiled"))
		174	{
		175	new_flags = BG_TILE;
		176	w = h = noScale;
		177	x = y = 0;
		178	geom_flags = WidthValue|HeightValue|XValue|YValue;
		179	}
		180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		181	{
		182	new_flags = BG_KEEP_ASPECT;
		183	w = h = windowScale;
		184	x = y = centerAlign;
		185	geom_flags = WidthValue|HeightValue|XValue|YValue;
		186	}
		187	else if (!strcasecmp (arr[i], "style=stretched"))
		188	{
		189	new_flags = 0;
		190	w = h = windowScale;
		191	geom_flags = WidthValue|HeightValue;
		192	}
		193	else if (!strcasecmp (arr[i], "style=centered"))
		194	{
		195	new_flags = 0;
		196	w = h = noScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue|HeightValue|XValue|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=root-tiled"))
		201	{
		202	new_flags = BG_TILE|BG_ROOT_ALIGN;
		203	w = h = noScale;
		204	geom_flags = WidthValue|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "op=tile"))
		207	new_flags |= BG_TILE;
		208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		209	new_flags |= BG_KEEP_ASPECT;
		210	else if (!strcasecmp (arr[i], "op=root-align"))
		211	new_flags |= BG_ROOT_ALIGN;
		212
		213	// deprecated
		214	else if (!strcasecmp (arr[i], "tile"))
		215	{
		216	new_flags |= BG_TILE;
		217	w = h = noScale;
		218	geom_flags |= WidthValue|HeightValue;
		219	}
		220	else if (!strcasecmp (arr[i], "propscale"))
		221	{
		222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
		225	}
		226	else if (!strcasecmp (arr[i], "hscale"))
		227	{
		228	new_flags |= BG_TILE;
		229	w = windowScale;
		230	h = noScale;
		231	geom_flags |= WidthValue|HeightValue;
		232	}
		233	else if (!strcasecmp (arr[i], "vscale"))
		234	{
		235	new_flags |= BG_TILE;
		236	h = windowScale;
		237	w = noScale;
		238	geom_flags |= WidthValue|HeightValue;
		239	}
		240	else if (!strcasecmp (arr[i], "scale"))
		241	{
		242	w = h = windowScale;
		243	geom_flags |= WidthValue|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
		248	x = y = centerAlign;
		249	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		250	}
		251	else if (!strcasecmp (arr[i], "root"))
		252	{
		253	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		254	w = h = noScale;
		255	geom_flags |= WidthValue|HeightValue;
		256	}
		257
		258	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
239		266
240	if (!update)	267	if (!update)
241	{	268	{
242	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	275	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
250	h = w;	277	h = w;
251	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
252	w = h;	279	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	280	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		281
261	for (int i = 0; arr[i]; i++)	282	min_it (w, 1000);
262	{	283	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	284	clamp_it (x, -100, 200);
264	{	285	clamp_it (y, -100, 200);
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		286
276	h = noScale;	287	if (bg_flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	288	|| h_scale != w
278	}	289	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	290	|| h_align != x
280	{	291	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{	292	{
317	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;
318	changed = true;	298	changed = true;
319	}	299	}
320		300
321	return changed;	301	return changed;
322	}	302	}
…		…
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
326	{	306	{
327	int target_width = szHint.width;	307	int target_width = szHint.width;
328	int target_height = szHint.height;	308	int target_height = szHint.height;
329		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
330	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
331	{	314	{
332	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
336	}	319	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		320
343	if (!w) w = image_width;	321	if (!w) w = image_width;
344	if (!h) h = image_height;	322	if (!h) h = image_height;
345		323
346	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
352	{	330	{
353	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
355	}	333	}
356		334
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;	335	if (!(bg_flags & BG_TILE)
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale	336	|| h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{
379	ShadingInfo as_shade;
380	as_shade.shading = shade;
381
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
383	if (bg_flags & BG_TINT_SET)
384	tint.get (c);
385	as_shade.tintColor.red = c.r;
386	as_shade.tintColor.green = c.g;
387	as_shade.tintColor.blue = c.b;
388
389	background_tint = shading2tint32 (&as_shade);
390	}
391
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
393	{
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,
396	100, ASIMAGE_QUALITY_DEFAULT);
397	if (tmp)
398	{
399	destroy_asimage (&background);
400	background = tmp;
401	}
402	}
403	# endif
404
405	ASImage *result = 0;
406
407	int target_width = szHint.width;
408	int target_height = szHint.height;
409	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;
411
412	int x = 0;
413	int y = 0;
414	int w = 0;
415	int h = 0;
416
417	if (original_asim)
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else	340	else
446	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
447	result = original_asim;
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}	342	}
598	# endif /* HAVE_AFTERIMAGE */
599		343
600	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
601	bool	345	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	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,
604	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
605	{	349	{
606	XImage *ximage;	350	XImage *ximage;
607	char *data, *line;	351	char *data, *line;
608	int bytes_per_pixel;	352	int bytes_per_pixel;
609	int width_r, width_g, width_b;	353	int width_r, width_g, width_b, width_a;
610	int sh_r, sh_g, sh_b;	354	int sh_r, sh_g, sh_b, sh_a;
		355	uint32_t alpha_mask;
611	int rowstride;	356	int rowstride;
612	int channels;	357	int channels;
613	unsigned char *row;	358	unsigned char *row;
614		359
615	if (visual->c_class != TrueColor)	360	if (visual->c_class != TrueColor)
616	return false;	361	return false;
		362
		363	#if XRENDER
		364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		365	if (format)
		366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		367	else
		368	#endif
		369	alpha_mask = 0;
617		370
618	if (depth == 24 || depth == 32)	371	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;	372	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)	373	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;	374	bytes_per_pixel = 2;
622	else	375	else
623	return false;	376	return false;
624		377
625	width_r = rxvt_popcount (visual->red_mask);	378	width_r = ecb_popcount32 (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);	379	width_g = ecb_popcount32 (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);	380	width_b = ecb_popcount32 (visual->blue_mask);
		381	width_a = ecb_popcount32 (alpha_mask);
628		382
629	if (width_r > 8 || width_g > 8 || width_b > 8)	383	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
630	return false;	384	return false;
631		385
632	sh_r = rxvt_ctz (visual->red_mask);	386	sh_r = ecb_ctz32 (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);	387	sh_g = ecb_ctz32 (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);	388	sh_b = ecb_ctz32 (visual->blue_mask);
		389	sh_a = ecb_ctz32 (alpha_mask);
635		390
636	if (width > INT_MAX / height / bytes_per_pixel)	391	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;	392	return false;
638		393
639	data = (char *)malloc (width * height * bytes_per_pixel);	394	data = (char *)malloc (width * height * bytes_per_pixel);
…		…
646	{	401	{
647	free (data);	402	free (data);
648	return false;	403	return false;
649	}	404	}
650		405
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	406	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
652		407
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);	409	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;	411	line = data;
657		412
		413	rgba c (0, 0, 0);
		414
		415	if (channels == 4 && alpha_mask == 0)
		416	{
		417	pix_colors[Color_bg].get (c);
		418	c.r >>= 8;
		419	c.g >>= 8;
		420	c.b >>= 8;
		421	}
		422
658	for (int y = 0; y < height; y++)	423	for (int y = 0; y < height; y++)
659	{	424	{
660	for (int x = 0; x < width; x++)	425	for (int x = 0; x < width; x++)
661	{	426	{
662	unsigned char *pixel = row + x * channels;	427	unsigned char *pixel = row + x * channels;
663	uint32_t value;	428	uint32_t value;
		429	unsigned char r, g, b, a;
664		430
		431	if (channels == 4)
		432	{
		433	a = pixel[3];
		434	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		435	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		436	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		437	}
		438	else
		439	{
		440	a = 0xff;
		441	r = pixel[0];
		442	g = pixel[1];
		443	b = pixel[2];
		444	}
		445
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)	446	value = ((r >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)	447	| ((g >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);	448	| ((b >> (8 - width_b)) << sh_b)
		449	| ((a >> (8 - width_a)) << sh_a);
668		450
669	if (bytes_per_pixel == 4)	451	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;	452	((uint32_t *)line)[x] = value;
671	else	453	else
672	((uint16_t *)line)[x] = value;	454	((uint16_t *)line)[x] = value;
…		…
680	XDestroyImage (ximage);	462	XDestroyImage (ximage);
681	return true;	463	return true;
682	}	464	}
683		465
684	bool	466	bool
685	rxvt_term::render_image (unsigned long tr_flags)	467	rxvt_term::render_image (bool transparent)
686	{	468	{
687	if (!pixbuf)	469	if (!pixbuf)
688	return false;	470	return false;
689		471
690	if (tr_flags	472	if (transparent
691	&& !(bg_flags & BG_HAS_RENDER))	473	&& !(bg_flags & BG_HAS_RENDER))
692	return false;	474	return false;
693		475
694	GdkPixbuf *result;	476	GdkPixbuf *result;
695		477
…		…
709	get_image_geometry (image_width, image_height, w, h, x, y);	491	get_image_geometry (image_width, image_height, w, h, x, y);
710		492
711	if (!(bg_flags & BG_ROOT_ALIGN)	493	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width	494	&& (x >= target_width
713	|| y >= target_height	495	|| y >= target_height
714	|| (x + w <= 0)	496	|| x + w <= 0
715	|| (y + h <= 0)))	497	|| y + h <= 0))
716	return false;	498	return false;
717		499
718	result = pixbuf;	500	result = pixbuf;
719		501
720	if ((w != image_width)	502	if (w != image_width
721	|| (h != image_height))	503	|| h != image_height)
722	{	504	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	505	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	506	w, h,
725	GDK_INTERP_BILINEAR);	507	GDK_INTERP_BILINEAR);
726	}	508	}
727		509
		510	if (!result)
		511	return false;
		512
728	bool ret = false;	513	bool ret = false;
729		514
730	if (result)
731	{
732	XGCValues gcv;	515	XGCValues gcv;
733	GC gc;	516	GC gc;
734	Pixmap root_pmap;	517	Pixmap root_pmap;
735		518
736	image_width = gdk_pixbuf_get_width (result);	519	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);	520	image_height = gdk_pixbuf_get_height (result);
738		521
739	if (tr_flags)	522	if (transparent)
740	{	523	{
741	root_pmap = bg_pixmap;	524	root_pmap = bg_pixmap;
742	bg_pixmap = None;	525	bg_pixmap = None;
		526	}
		527	else
		528	{
		529	if (bg_flags & BG_TILE)
		530	{
		531	new_pmap_width = min (image_width, target_width);
		532	new_pmap_height = min (image_height, target_height);
743	}	533	}
744	else	534	}
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752		535
753	if (bg_pixmap == None	536	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width	537	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)	538	|| bg_pmap_height != new_pmap_height)
756	{	539	{
757	if (bg_pixmap)	540	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);	541	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;	543	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;	544	bg_pmap_height = new_pmap_height;
762	}	545	}
763		546
764	gcv.foreground = pix_colors[Color_bg];	547	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766		549
767	if (h_scale == 0 || v_scale == 0)	550	if (gc)
		551	{
		552	if (bg_flags & BG_TILE)
768	{	553	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	554	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
770	pixbuf_to_pixmap (result, tile, gc,	555	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	556	0, 0,
772	0, 0,	557	0, 0,
…		…
800	dst_x, dst_y,	585	dst_x, dst_y,
801	dst_width, dst_height);	586	dst_width, dst_height);
802	}	587	}
803		588
804	#if XRENDER	589	#if XRENDER
805	if (tr_flags)	590	if (transparent)
806	{	591	{
807	XRenderPictureAttributes pa;
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		593
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
811		595
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		597
815	pa.repeat = True;	598	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		599
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	600	XRenderColor mask_c;
824		601
825	mask_c.alpha = 0x8000;	602	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	603	mask_c.red =
827	mask_c.green = 0;	604	mask_c.green =
828	mask_c.blue = 0;	605	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		607
830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	608	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
831	}
832		609
833	XRenderFreePicture (dpy, src);	610	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	611	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	612	XRenderFreePicture (dpy, mask);
836
837	XFreePixmap (dpy, root_pmap);
838	}	613	}
839	#endif	614	#endif
840		615
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	616	XFreeGC (dpy, gc);
845		617
846	ret = true;	618	ret = true;
847	}	619	}
		620
		621	if (result != pixbuf)
		622	g_object_unref (result);
		623
		624	if (transparent)
		625	XFreePixmap (dpy, root_pmap);
848		626
849	return ret;	627	return ret;
850	}	628	}
851	# endif /* HAVE_PIXBUF */	629	# endif /* HAVE_PIXBUF */
852		630
…		…
854	rxvt_term::bg_set_file (const char *file)	632	rxvt_term::bg_set_file (const char *file)
855	{	633	{
856	if (!file || !*file)	634	if (!file || !*file)
857	return false;	635	return false;
858		636
		637	bool ret = false;
859	if (const char *p = strchr (file, ';'))	638	const char *p = strchr (file, ';');
		639
		640	if (p)
860	{	641	{
861	size_t len = p - file;	642	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	643	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	644	memcpy (f, file, len);
864	f[len] = '\0';	645	f[len] = '\0';
865	file = f;	646	file = f;
866	}	647	}
867		648
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	649	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	651	if (image)
885	{	652	{
886	if (pixbuf)	653	if (pixbuf)
887	g_object_unref (pixbuf);	654	g_object_unref (pixbuf);
888	pixbuf = image;	655	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;	656	bg_flags |= BG_IS_FROM_FILE;
890	return true;	657	ret = true;
891	}	658	}
892	# endif	659	# endif
893		660
		661	if (ret)
		662	{
		663	if (p)
		664	bg_set_geometry (p + 1);
		665	else
		666	bg_set_default_geometry ();
		667	}
		668
894	return false;	669	return ret;
895	}	670	}
896		671
897	# endif /* BG_IMAGE_FROM_FILE */	672	# endif /* BG_IMAGE_FROM_FILE */
898		673
899	# ifdef ENABLE_TRANSPARENCY	674	# ifdef ENABLE_TRANSPARENCY
…		…
935	{	710	{
936	changed = true;	711	changed = true;
937	v_blurRadius = vr;	712	v_blurRadius = vr;
938	}	713	}
939		714
940	if (v_blurRadius == 0 && h_blurRadius == 0)	715	if (h_blurRadius && v_blurRadius)
		716	bg_flags |= BG_NEEDS_BLUR;
		717	else
941	bg_flags &= ~BG_NEEDS_BLUR;	718	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944		719
945	return changed;	720	return changed;
946	}	721	}
947		722
948	void	723	void
949	rxvt_term::set_tint_shade_flags ()	724	rxvt_term::set_tint_shade_flags ()
950	{	725	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	726	if (shade != 100 || (bg_flags & BG_TINT_SET))
952	bool has_shade = shade != 100;	727	bg_flags |= BG_NEEDS_TINT;
		728	else
		729	bg_flags &= ~BG_NEEDS_TINT;
		730	}
953		731
		732	bool
		733	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		734	{
		735	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		736	{
		737	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	738	bg_flags |= BG_TINT_SET;
955		739
956	if (bg_flags & BG_TINT_SET)	740	rgba c;
957	{
958	tint.get (c);	741	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	742	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	743	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	744	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	745	bg_flags |= BG_TINT_BITAND;
964	}	746	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	747	bg_flags &= ~BG_TINT_BITAND;
		748
977	set_tint_shade_flags ();	749	set_tint_shade_flags ();
978	return true;	750	return true;
979	}	751	}
980		752
981	return false;	753	return false;
982	}	754	}
983		755
984	bool	756	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	757	rxvt_term::bg_set_shade (const char *shade_str)
986	{	758	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	759	int new_shade = atoi (shade_str);
988		760
989	clamp_it (new_shade, -100, 200);	761	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	762	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	763	new_shade = 200 - (100 + new_shade);
992		764
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	794	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	795	}
1024	#endif	796	#endif
1025		797
1026	bool	798	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1028	{	800	{
1029	bool ret = false;	801	bool ret = false;
1030	#if XRENDER	802	#if XRENDER
		803	if (!(bg_flags & BG_HAS_RENDER_CONV))
		804	return false;
		805
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	807	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	808	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		809
1035	XRenderPictureAttributes pa;	810	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		812
		813	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		817	XFreePixmap (dpy, tmp);
1040		818
1041	if (kernel && params && src && dst)	819	if (kernel && params)
1042	{	820	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	821	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	822	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		823
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	824	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	825	XRenderComposite (dpy,
1050	PictOpSrc,	826	PictOpSrc,
1051	src,	827	src,
1052	None,	828	None,
1053	dst,	829	dst,
1054	0, 0,	830	0, 0,
1055	0, 0,	831	0, 0,
1056	0, 0,	832	0, 0,
1057	width, height);	833	width, height);
1058	}
1059		834
1060	if (v_blurRadius)	835	::swap (src, dst);
1061	{	836
1062	size = v_blurRadius * 2 + 1;	837	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	838	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	839	::swap (params[0], params[1]);
1065		840
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	841	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	842	XRenderComposite (dpy,
1068	PictOpSrc,	843	PictOpSrc,
1069	src,	844	src,
1070	None,	845	None,
1071	dst,	846	dst,
1072	0, 0,	847	0, 0,
1073	0, 0,	848	0, 0,
1074	0, 0,	849	0, 0,
1075	width, height);	850	width, height);
1076	}
1077		851
1078	ret = true;	852	ret = true;
1079	}	853	}
1080		854
1081	free (kernel);	855	free (kernel);
…		…
1089	bool	863	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1091	{	865	{
1092	bool ret = false;	866	bool ret = false;
1093		867
1094	if (bg_flags & BG_TINT_BITAND)	868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	869	{
1096	XGCValues gcv;	870	XGCValues gcv;
1097	GC gc;	871	GC gc;
1098		872
1099	/* In this case we can tint image server-side getting significant	873	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	882	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	883	ret = true;
1110	XFreeGC (dpy, gc);	884	XFreeGC (dpy, gc);
1111	}	885	}
1112	}	886	}
1113	else
1114	{
1115	# if XRENDER	887	# if XRENDER
		888	else if (bg_flags & BG_HAS_RENDER)
		889	{
1116	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		891
1118	if (bg_flags & BG_TINT_SET)	892	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	893	tint.get (c);
1120		894
…		…
1129	c.r = c.r * (200 - shade) / 100;	903	c.r = c.r * (200 - shade) / 100;
1130	c.g = c.g * (200 - shade) / 100;	904	c.g = c.g * (200 - shade) / 100;
1131	c.b = c.b * (200 - shade) / 100;	905	c.b = c.b * (200 - shade) / 100;
1132	}	906	}
1133		907
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		909
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		911
1140	pa.repeat = True;	912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		913
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	914	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		915
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	916	XRenderColor mask_c;
1154		917
1155	mask_c.alpha = 0xffff;	918	mask_c.alpha = 0xffff;
		919	mask_c.red =
		920	mask_c.green =
		921	mask_c.blue = 0;
		922	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		923
		924	mask_c.alpha = 0;
		925	mask_c.red = 0xffff - c.r;
		926	mask_c.green = 0xffff - c.g;
		927	mask_c.blue = 0xffff - c.b;
		928	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		929
		930	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		931
		932	if (shade > 100)
		933	{
		934	mask_c.alpha = 0;
1156	mask_c.red =	935	mask_c.red =
1157	mask_c.green =	936	mask_c.green =
1158	mask_c.blue = 0;	937	mask_c.blue = 0xffff * (shade - 100) / 100;
1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	938	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1160		939
1161	mask_c.alpha = 0;
1162	mask_c.red = 0xffff - c.r;
1163	mask_c.green = 0xffff - c.g;
1164	mask_c.blue = 0xffff - c.b;
1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1167
1168	if (shade > 100)
1169	{
1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1171	mask_c.alpha = 0;
1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1173
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	940	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175	}
1176
1177	ret = true;
1178	}	941	}
		942
		943	ret = true;
1179		944
1180	XRenderFreePicture (dpy, mask_pic);	945	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	946	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	947	XRenderFreePicture (dpy, back_pic);
		948	}
1183	# endif	949	# endif
1184	}
1185		950
1186	return ret;	951	return ret;
1187	}	952	}
1188		953
1189	/*	954	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	955	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	956	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	957	* our window.
1193	*/	958	*/
1194	unsigned long	959	bool
1195	rxvt_term::make_transparency_pixmap ()	960	rxvt_term::make_transparency_pixmap ()
1196	{	961	{
1197	unsigned long result = 0;	962	bool ret = false;
1198		963
1199	/* root dimensions may change from call to call - but Display structure should	964	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	965	* be always up-to-date, so let's use it :
1201	*/	966	*/
1202	int screen = display->screen;	967	int screen = display->screen;
…		…
1238	if (root_pixmap != None && root_depth != depth)	1003	if (root_pixmap != None && root_depth != depth)
1239	{	1004	{
1240	#if XRENDER	1005	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	1006	if (bg_flags & BG_HAS_RENDER)
1242	{	1007	{
1243	XRenderPictureAttributes pa;	1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		1009
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		1012
1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1013	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1014	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1251		1015
1252	if (src && dst)
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1016	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254	else
1255	{
1256	XFreePixmap (dpy, recoded_root_pmap);
1257	root_pixmap = None;
1258	}
1259		1017
1260	XRenderFreePicture (dpy, src);	1018	XRenderFreePicture (dpy, src);
1261	XRenderFreePicture (dpy, dst);	1019	XRenderFreePicture (dpy, dst);
1262	}	1020	}
1263	else	1021	else
1264	#endif	1022	#endif
1265	root_pixmap = None;	1023	recoded_root_pmap = None;
1266	}	1024	}
1267		1025
1268	if (root_pixmap == None)	1026	if (recoded_root_pmap == None)
1269	return 0;	1027	return 0;
1270		1028
1271	if (bg_pixmap == None	1029	if (bg_pixmap == None
1272	|| bg_pmap_width != window_width	1030	|| bg_pmap_width != window_width
1273	|| bg_pmap_height != window_height)	1031	|| bg_pmap_height != window_height)
…		…
1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1035	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1278	bg_pmap_width = window_width;	1036	bg_pmap_width = window_width;
1279	bg_pmap_height = window_height;	1037	bg_pmap_height = window_height;
1280	}	1038	}
1281		1039
1282	if (bg_pixmap != None)
1283	{
1284	/* straightforward pixmap copy */	1040	/* straightforward pixmap copy */
1285	while (sx < 0) sx += (int)root_width;	1041	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += (int)root_height;	1042	while (sy < 0) sy += root_pmap_height;
1287		1043
1288	gcv.tile = recoded_root_pmap;	1044	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1045	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1046	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1047	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1048	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1049
1294	if (gc)	1050	if (gc)
1295	{	1051	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1053	ret = true;
1298	XFreeGC (dpy, gc);	1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1299		1055
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1056	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1057	{
1302	if ((bg_flags & BG_NEEDS_BLUR)	1058	if (bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))	1059	{
		1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1061	tr_flags &= ~BG_NEEDS_BLUR;
		1062	}
		1063	if (bg_flags & BG_NEEDS_TINT)
		1064	{
		1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1066	tr_flags &= ~BG_NEEDS_TINT;
		1067	}
		1068	if (tr_flags & BG_NEEDS_TINT)
		1069	{
		1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1071	if (ximage)
1304	{	1072	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1073	/* our own client-side tinting */
1306	result &= ~BG_NEEDS_BLUR;	1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1075
		1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1077	XDestroyImage (ximage);
1307	}	1078	}
1308	if ((bg_flags & BG_NEEDS_TINT)
1309	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1310	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}	1079	}
1314	} /* server side rendering completed */	1080	} /* server side rendering completed */
1315	}	1081
		1082	XFreeGC (dpy, gc);
1316	}	1083	}
1317		1084
1318	if (recoded_root_pmap != root_pixmap)	1085	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1086	XFreePixmap (dpy, recoded_root_pmap);
1320		1087
1321	return result;	1088	return ret;
1322	}	1089	}
1323		1090
1324	void	1091	void
1325	rxvt_term::bg_set_root_pixmap ()	1092	rxvt_term::bg_set_root_pixmap ()
1326	{	1093	{
…		…
1330		1097
1331	root_pixmap = new_root_pixmap;	1098	root_pixmap = new_root_pixmap;
1332	}	1099	}
1333	# endif /* ENABLE_TRANSPARENCY */	1100	# endif /* ENABLE_TRANSPARENCY */
1334		1101
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1102	bool
1340	rxvt_term::bg_render ()	1103	rxvt_term::bg_render ()
1341	{	1104	{
1342	unsigned long tr_flags = 0;	1105	bool transparent = false;
1343		1106
1344	bg_invalidate ();	1107	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1108	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1109	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1110	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1111	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1112	transparent = make_transparency_pixmap ();
1350	if (tr_flags == 0)	1113	if (transparent)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1114	bg_flags |= BG_IS_VALID;
1354	}	1115	}
1355	# endif	1116	# endif
1356		1117
1357	# ifdef BG_IMAGE_FROM_FILE	1118	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1119	if (bg_flags & BG_IS_FROM_FILE)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1120	{
1361	if (render_image (tr_flags))	1121	if (render_image (transparent))
1362	bg_flags |= BG_IS_VALID;	1122	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1123	}
1397	# endif	1124	# endif
1398		1125
1399	if (!(bg_flags & BG_IS_VALID))	1126	if (!(bg_flags & BG_IS_VALID))
1400	{	1127	{
…		…
1437	#endif	1164	#endif
1438	}	1165	}
1439		1166
1440	#endif /* HAVE_BG_PIXMAP */	1167	#endif /* HAVE_BG_PIXMAP */
1441		1168
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1169	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1170	/* based on code from aterm-0.4.2 */
1444		1171
1445	static void	1172	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1174	{
		1175	for (int i = 0; i <= mask >> sh; i++)
		1176	{
		1177	uint32_t tmp;
		1178	tmp = i * high;
		1179	tmp += (mask >> sh) * low;
		1180	lookup[i] = (tmp / 0xffff) << sh;
		1181	}
		1182	}
		1183
		1184	void
		1185	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1186	{
		1187	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1188	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1189	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1190	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1191	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1192	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1193
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1194	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1195
1458	/* for convenience */	1196	/* for convenience */
1459	mask_r = visual->red_mask;	1197	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1198	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1199	mask_b = visual->blue_mask;
1462		1200
1463	/* boring lookup table pre-initialization */	1201	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1202	sh_r = ecb_ctz32 (mask_r);
1465	{	1203	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1204	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1205
1468	(mask_g != 0x03e0) ||	1206	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1207	size_g = mask_g >> sh_g;
		1208	size_b = mask_b >> sh_b;
		1209
		1210	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1211	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1212
		1213	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1214	lookup_r = lookup;
1473	lookup_g = lookup+32;	1215	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1216	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1217
1476	sh_g = 5;	1218	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1219
1478	break;	1220	if (bg_flags & BG_TINT_SET)
1479	case 16:	1221	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1222
1522	/* prepare limits for color transformation (each channel is handled separately) */	1223	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1224	if (shade > 100)
1524	{	1225	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1226	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1227	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1228	c.b = c.b * (200 - shade) / 100;
		1229
		1230	low = 0xffff * (shade - 100) / 100;
1534	}	1231	}
1535	else	1232	else
1536	{	1233	{
1537	high.r = c.r * shade / 100;	1234	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1235	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1236	c.b = c.b * shade / 100;
1540		1237
1541	low.r = low.g = low.b = 0;	1238	low = 0;
1542	}	1239	}
1543		1240
1544	/* fill our lookup tables */	1241	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1242	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1243	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1244	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1245
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1246	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1247	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1248	&& ximage->byte_order == host_byte_order)
1571	{	1249	{
1572	uint32_t *p1, *pf, *p, *pl;	1250	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1251
1576	while (p1 < pf)	1252	for (int y = 0; y < ximage->height; y++)
1577	{
1578	p = p1;
1579	pl = p1 + ximage->width;
1580	for (; p < pl; p++)
1581	{	1253	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1254	uint32_t *p = (uint32_t *)line;
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1255	for (int x = 0; x < ximage->width; x++)
1584	lookup_b[(*p & 0x0000ff)] |
1585	(*p & 0xff000000);
1586	}	1256	{
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1257	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1258	lookup_g[(*p & mask_g) >> sh_g] |
		1259	lookup_b[(*p & mask_b) >> sh_b];
		1260	p++;
		1261	}
		1262	line += ximage->bytes_per_line;
1588	}	1263	}
1589	}	1264	}
1590	else	1265	else
1591	{	1266	{
1592	for (int y = 0; y < ximage->height; y++)	1267	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1275	}
1601	}	1276	}
1602		1277
1603	free (lookup);	1278	free (lookup);
1604	}	1279	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1280	#endif /* ENABLE_TRANSPARENCY */

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