ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.190 by sf-exg, Thu Dec 29 20:35:37 2011 UTC vs.
Revision 1.245 by sf-exg, Wed Jun 20 08:06:14 2012 UTC

1	/*----------------------------------------------------------------------*	1	/*----------------------------------------------------------------------*
2	* File: background.C - former xpm.C	2	* File: background.C
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>
26	#include "../config.h" /* NECESSARY */	25	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	26	#include "rxvt.h" /* NECESSARY */
28		27
29	#if XRENDER
30	# include <X11/extensions/Xrender.h>
31	#endif
32
33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"
35	#endif
36
37	#ifdef HAVE_BG_PIXMAP	28	#ifdef HAVE_BG_PIXMAP
38	# if XRENDER
39	static Picture
40	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
41	{
42	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
43
44	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
45	XRenderPictureAttributes pa;
46	pa.repeat = True;
47	pa.component_alpha = component_alpha;
48	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
49
50	XFreePixmap (dpy, pixmap);
51
52	return mask;
53	}
54	# endif
55		29
56	void	30	void
57	rxvt_term::bg_destroy ()	31	rxvt_term::bg_destroy ()
58	{	32	{
59	#ifdef HAVE_AFTERIMAGE	33	# if ENABLE_TRANSPARENCY
60	if (original_asim)	34	delete root_img;
61	safe_asimage_destroy (original_asim);	35	root_img = 0;
62	if (asv)
63	destroy_asvisual (asv, 0);
64	if (asimman)
65	destroy_image_manager (asimman, 0);
66	#endif	36	# endif
67		37
68	#ifdef HAVE_PIXBUF	38	# if BG_IMAGE_FROM_FILE
69	if (pixbuf)	39	fimage.destroy ();
70	g_object_unref (pixbuf);
71	#endif	40	# endif
72		41
73	if (bg_pixmap)	42	delete bg_img;
74	XFreePixmap (dpy, bg_pixmap);	43	bg_img = 0;
75	}
76
77	bool
78	rxvt_term::bg_set_position (int x, int y)
79	{
80
81	if (target_x != x
82	|| target_y != y)
83	{
84	target_x = x;
85	target_y = y;
86	return true;
87	}
88	return false;
89	}	44	}
90		45
91	bool	46	bool
92	rxvt_term::bg_window_size_sensitive ()	47	rxvt_term::bg_window_size_sensitive ()
93	{	48	{
94	# ifdef ENABLE_TRANSPARENCY	49	# if ENABLE_TRANSPARENCY
95	if (bg_flags & BG_IS_TRANSPARENT)	50	if (bg_flags & BG_IS_TRANSPARENT)
96	return true;	51	return true;
97	# endif	52	# endif
98		53
99	# ifdef BG_IMAGE_FROM_FILE	54	# if BG_IMAGE_FROM_FILE
100	if (bg_flags & BG_IS_FROM_FILE)	55	if (fimage.img)
101	{	56	{
102	if (bg_flags & BG_IS_SIZE_SENSITIVE)	57	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		58	|| fimage.img->w > szHint.width
		59	|| fimage.img->h > szHint.height)
103	return true;	60	return true;
104	}	61	}
105	# endif	62	# endif
106		63
107	return false;	64	return false;
108	}	65	}
109		66
110	bool	67	bool
111	rxvt_term::bg_window_position_sensitive ()	68	rxvt_term::bg_window_position_sensitive ()
112	{	69	{
113	# ifdef ENABLE_TRANSPARENCY	70	# if ENABLE_TRANSPARENCY
114	if (bg_flags & BG_IS_TRANSPARENT)	71	if (bg_flags & BG_IS_TRANSPARENT)
115	return true;	72	return true;
116	# endif	73	# endif
117		74
118	# ifdef BG_IMAGE_FROM_FILE	75	# if BG_IMAGE_FROM_FILE
119	if (bg_flags & BG_IS_FROM_FILE)	76	if (fimage.img)
120	{	77	{
121	if (bg_flags & BG_ROOT_ALIGN)	78	if (fimage.flags & IM_ROOT_ALIGN)
122	return true;	79	return true;
123	}	80	}
124	# endif	81	# endif
125		82
126	return false;	83	return false;
127	}	84	}
128		85
129	# ifdef BG_IMAGE_FROM_FILE	86	# if BG_IMAGE_FROM_FILE
130	static inline bool
131	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
132	{
133	if (geom_flags & flag)
134	{
135	if (new_value > 1000)
136	new_value = 1000;
137	if (new_value != scale)
138	{
139	scale = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline bool
147	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
148	{
149	if (geom_flags & flag)
150	{
151	if (new_value < -100)
152	new_value = -100;
153	else if (new_value > 200)
154	new_value = 200;
155	if (new_value != align)
156	{
157	align = new_value;
158	return true;
159	}
160	}
161	return false;
162	}
163
164	static inline int	87	static inline int
165	make_align_position (int align, int window_size, int image_size)	88	make_align_position (int align, int window_size, int image_size)
166	{	89	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	90	if (align >= 0 && align <= 100)
171	return diff * align / 100;	91	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	92	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	93	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	94	else
175	return (align + 100) * smaller / 100 - image_size;	95	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	96	}
178		97
179	static inline int	98	static void
180	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	99	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
181	{	100	{
182	int src_pos = 0;	101	if (!strcasecmp (style, "tiled"))
183	dst_pos = pos;
184	dst_size = size;
185	if (pos < 0)
186	{
187	src_pos = -pos;
188	dst_pos = 0;
189	dst_size += pos;
190	}	102	{
191		103	flags = IM_TILE;
192	if (dst_pos + dst_size > target_size)	104	w = h = noScale;
193	dst_size = target_size - dst_pos;	105	x = y = 0;
194	return src_pos;	106	}
		107	else if (!strcasecmp (style, "aspect-stretched"))
		108	{
		109	flags = IM_KEEP_ASPECT;
		110	w = h = windowScale;
		111	x = y = centerAlign;
		112	}
		113	else if (!strcasecmp (style, "stretched"))
		114	{
		115	flags = 0;
		116	w = h = windowScale;
		117	x = y = centerAlign;
		118	}
		119	else if (!strcasecmp (style, "centered"))
		120	{
		121	flags = 0;
		122	w = h = noScale;
		123	x = y = centerAlign;
		124	}
		125	else if (!strcasecmp (style, "root-tiled"))
		126	{
		127	flags = IM_TILE|IM_ROOT_ALIGN;
		128	w = h = noScale;
		129	x = y = 0;
		130	}
195	}	131	}
196		132
197	bool	133	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	134	rxvt_image::set_geometry (const char *geom, bool update)
199	{	135	{
200	bool changed = false;	136	bool changed = false;
201	int geom_flags = 0;	137	int geom_flags = 0;
202	int x = 0, y = 0;	138	int x = h_align;
		139	int y = v_align;
203	unsigned int w = 0, h = 0;	140	unsigned int w = h_scale;
204	unsigned long new_flags = 0;	141	unsigned int h = v_scale;
		142	uint8_t new_flags = 0;
205		143
206	if (geom == NULL)	144	if (geom == NULL)
207	return false;	145	return false;
208		146
209	if (geom[0])	147	if (geom[0])
210	{	148	{
211	char **arr = rxvt_strsplit (':', geom);	149	char **arr = rxvt_strsplit (':', geom);
212		150
213	for (int i = 0; arr[i]; i++)	151	for (int i = 0; arr[i]; i++)
214	{	152	{
215	if (!strcasecmp (arr[i], "style=tiled"))	153	if (!strncasecmp (arr[i], "style=", 6))
216	{	154	{
217	new_flags = BG_TILE;	155	parse_style (arr[i] + 6, x, y, w, h, new_flags);
218	w = h = noScale;
219	x = y = 0;
220	geom_flags = WidthValue|HeightValue|XValue|YValue;	156	geom_flags = WidthValue|HeightValue|XValue|YValue;
221	}	157	}
222	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
223	{
224	new_flags = BG_KEEP_ASPECT;
225	w = h = windowScale;
226	x = y = centerAlign;
227	geom_flags = WidthValue|HeightValue|XValue|YValue;
228	}
229	else if (!strcasecmp (arr[i], "style=stretched"))
230	{
231	new_flags = 0;
232	w = h = windowScale;
233	geom_flags = WidthValue|HeightValue;
234	}
235	else if (!strcasecmp (arr[i], "style=centered"))
236	{
237	new_flags = 0;
238	w = h = noScale;
239	x = y = centerAlign;
240	geom_flags = WidthValue|HeightValue|XValue|YValue;
241	}
242	else if (!strcasecmp (arr[i], "style=root-tiled"))
243	{
244	new_flags = BG_TILE|BG_ROOT_ALIGN;
245	w = h = noScale;
246	geom_flags = WidthValue|HeightValue;
247	}
248	else if (!strcasecmp (arr[i], "op=tile"))	158	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags |= BG_TILE;	159	new_flags |= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	160	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags |= BG_KEEP_ASPECT;	161	new_flags |= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	162	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags |= BG_ROOT_ALIGN;	163	new_flags |= IM_ROOT_ALIGN;
254		164
255	// deprecated	165	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	166	else if (!strcasecmp (arr[i], "tile"))
257	{	167	{
258	new_flags |= BG_TILE;	168	new_flags |= IM_TILE;
259	w = h = noScale;	169	w = h = noScale;
260	geom_flags |= WidthValue|HeightValue;	170	geom_flags |= WidthValue|HeightValue;
261	}	171	}
262	else if (!strcasecmp (arr[i], "propscale"))	172	else if (!strcasecmp (arr[i], "propscale"))
263	{	173	{
264	new_flags |= BG_KEEP_ASPECT;	174	new_flags |= IM_KEEP_ASPECT;
265	w = h = windowScale;	175	w = h = windowScale;
266	geom_flags |= WidthValue|HeightValue;	176	geom_flags |= WidthValue|HeightValue;
267	}	177	}
268	else if (!strcasecmp (arr[i], "hscale"))	178	else if (!strcasecmp (arr[i], "hscale"))
269	{	179	{
270	new_flags |= BG_TILE;	180	new_flags |= IM_TILE;
271	w = windowScale;	181	w = windowScale;
272	h = noScale;	182	h = noScale;
273	geom_flags |= WidthValue|HeightValue;	183	geom_flags |= WidthValue|HeightValue;
274	}	184	}
275	else if (!strcasecmp (arr[i], "vscale"))	185	else if (!strcasecmp (arr[i], "vscale"))
276	{	186	{
277	new_flags |= BG_TILE;	187	new_flags |= IM_TILE;
278	h = windowScale;	188	h = windowScale;
279	w = noScale;	189	w = noScale;
280	geom_flags |= WidthValue|HeightValue;	190	geom_flags |= WidthValue|HeightValue;
281	}	191	}
282	else if (!strcasecmp (arr[i], "scale"))	192	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	200	x = y = centerAlign;
291	geom_flags |= WidthValue|HeightValue|XValue|YValue;	201	geom_flags |= WidthValue|HeightValue|XValue|YValue;
292	}	202	}
293	else if (!strcasecmp (arr[i], "root"))	203	else if (!strcasecmp (arr[i], "root"))
294	{	204	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;	205	new_flags |= IM_TILE|IM_ROOT_ALIGN;
296	w = h = noScale;	206	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	207	geom_flags |= WidthValue|HeightValue;
298	}	208	}
299		209
300	else	210	else
…		…
302	} /* done parsing ops */	212	} /* done parsing ops */
303		213
304	rxvt_free_strsplit (arr);	214	rxvt_free_strsplit (arr);
305	}	215	}
306		216
307	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	217	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
308		218
309	if (!update)	219	if (!update)
310	{	220	{
311	if (!(geom_flags & XValue))	221	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	222	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	227	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	228	else if (!(geom_flags & HeightValue))
319	h = w;	229	h = w;
320	else if (!(geom_flags & WidthValue))	230	else if (!(geom_flags & WidthValue))
321	w = h;	231	w = h;
322
323	geom_flags |= WidthValue|HeightValue|XValue|YValue;
324	}
325
326	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
327	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
328	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
329	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
330
331	if (new_flags != bg_flags)
332	{	232	}
		233
		234	clamp_it (x, -100, 200);
		235	clamp_it (y, -100, 200);
		236
		237	if (flags != new_flags
		238	|| h_scale != w
		239	|| v_scale != h
		240	|| h_align != x
		241	|| v_align != y)
		242	{
333	bg_flags = new_flags;	243	flags = new_flags;
		244	h_scale = w;
		245	v_scale = h;
		246	h_align = x;
		247	v_align = y;
334	changed = true;	248	changed = true;
335	}	249	}
336		250
		251	if (is_size_sensitive ())
		252	flags |= IM_IS_SIZE_SENSITIVE;
		253	else
		254	flags &= ~IM_IS_SIZE_SENSITIVE;
		255
337	return changed;	256	return changed;
338	}	257	}
339		258
340	void	259	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	260	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	261	{
		262	int image_width = image.img->w;
		263	int image_height = image.img->h;
343	int target_width = szHint.width;	264	int parent_width = szHint.width;
344	int target_height = szHint.height;	265	int parent_height = szHint.height;
		266	int h_scale = min (image.h_scale, 32767 * 100 / parent_width);
		267	int v_scale = min (image.v_scale, 32767 * 100 / parent_height);
345		268
346	w = h_scale * target_width / 100;	269	w = h_scale * parent_width / 100;
347	h = v_scale * target_height / 100;	270	h = v_scale * parent_height / 100;
348		271
349	if (bg_flags & BG_KEEP_ASPECT)	272	if (image.flags & IM_KEEP_ASPECT)
350	{	273	{
351	float scale = (float)w / image_width;	274	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	275	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	276	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	277	h = image_height * scale + 0.5;
355	}	278	}
356		279
357	if (!w) w = image_width;	280	if (!w) w = image_width;
358	if (!h) h = image_height;	281	if (!h) h = image_height;
359		282
360	if (bg_flags & BG_ROOT_ALIGN)	283	if (image.flags & IM_ROOT_ALIGN)
361	{	284	{
362	x = -target_x;	285	x = -parent_x;
363	y = -target_y;	286	y = -parent_y;
364	}	287	}
365	else	288	else
366	{	289	{
367	x = make_align_position (h_align, target_width, w);	290	x = make_align_position (image.h_align, parent_width, w);
368	y = make_align_position (v_align, target_height, h);	291	y = make_align_position (image.v_align, parent_height, h);
369	}
370
371	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
372	if (!(bg_flags & BG_TILE)
373	|| h_scale || v_scale
374	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
375	|| w > target_width || h > target_height)
376	bg_flags |= BG_IS_SIZE_SENSITIVE;
377	}
378
379	# ifdef HAVE_AFTERIMAGE
380	bool
381	rxvt_term::render_image (unsigned long tr_flags)
382	{
383	init_asv ();
384
385	ASImage *background = NULL;
386	ARGB32 background_tint = TINT_LEAVE_SAME;
387
388	# ifdef ENABLE_TRANSPARENCY
389	if (tr_flags)
390	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
391
392	if (tr_flags & BG_NEEDS_TINT)
393	{	292	}
394	ShadingInfo as_shade;	293	}
395	as_shade.shading = shade;
396		294
397	rgba c;	295	bool
398	tint.get (c);	296	rxvt_term::render_image (rxvt_image &image)
399	as_shade.tintColor.red = c.r;	297	{
400	as_shade.tintColor.green = c.g;
401	as_shade.tintColor.blue = c.b;
402
403	background_tint = shading2tint32 (&as_shade);
404	}
405
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
407	{
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
409	ASA_XImage,
410	100, ASIMAGE_QUALITY_DEFAULT);
411	if (tmp)
412	{
413	destroy_asimage (&background);
414	background = tmp;
415	}
416	}
417	# endif
418
419	ASImage *result = 0;
420
421	int target_width = szHint.width;	298	int parent_width = szHint.width;
422	int target_height = szHint.height;	299	int parent_height = szHint.height;
423	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;
425		300
426	int x = 0;	301	int x = 0;
427	int y = 0;	302	int y = 0;
428	int w = 0;	303	int w = 0;
429	int h = 0;	304	int h = 0;
430		305
431	if (original_asim)	306	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		307
434	if (!original_asim
435	|| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width
437	|| y >= target_height
438	|| x + w <= 0
439	|| y + h <= 0)))
440	{
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446
447	if (background_tint != TINT_LEAVE_SAME)
448	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,
450	target_width, target_height, background_tint,
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else
460	{
461	result = original_asim;
462
463	if (w != original_asim->width
464	|| h != original_asim->height)
465	{
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}
471
472	if (background == NULL)
473	{
474	if (bg_flags & BG_TILE)
475	{
476	/* if tiling - pixmap has to be sized exactly as the image,
477	but there is no need to make it bigger than the window! */
478	new_pmap_width = min (result->width, target_width);
479	new_pmap_height = min (result->height, target_height);
480
481	/* we also need to tile our image in both directions */
482	ASImage *tmp = tile_asimage (asv, result,
483	(int)result->width - x,
484	(int)result->height - y,
485	new_pmap_width,
486	new_pmap_height,
487	TINT_LEAVE_SAME, ASA_XImage,
488	100, ASIMAGE_QUALITY_DEFAULT);
489	if (tmp)
490	{
491	if (result != original_asim)
492	destroy_asimage (&result);
493
494	result = tmp;
495	}
496	}
497	}
498	else
499	{
500	/* if blending background and image - pixmap has to be sized same as target window */
501	ASImageLayer *layers = create_image_layers (2);
502
503	layers[0].im = background;
504	layers[0].clip_width = target_width;
505	layers[0].clip_height = target_height;
506	layers[0].tint = background_tint;
507	layers[1].im = result;
508
509	if (bg_flags & BG_TILE)
510	{
511	/* tile horizontally */
512	while (x > 0) x -= (int)result->width;
513	layers[1].dst_x = x;
514	layers[1].clip_width = result->width+target_width;
515	}
516	else
517	{
518	/* clip horizontally */
519	layers[1].dst_x = x;
520	layers[1].clip_width = result->width;
521	}
522
523	if (bg_flags & BG_TILE)
524	{
525	while (y > 0) y -= (int)result->height;
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height + target_height;
528	}
529	else
530	{
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height;
533	}
534
535	if (rs[Rs_blendtype])
536	{
537	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
538	if (layers[1].merge_scanlines == NULL)
539	layers[1].merge_scanlines = alphablend_scanlines;
540	}
541
542	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
543	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
544
545	if (tmp)
546	{
547	if (result != original_asim)
548	destroy_asimage (&result);
549
550	result = tmp;
551	}
552
553	free (layers);
554	}
555	}
556
557	bool ret = false;
558
559	if (result)
560	{
561	XGCValues gcv;
562	GC gc;
563
564	/* create Pixmap */
565	if (bg_pixmap == None
566	|| bg_pmap_width != new_pmap_width
567	|| bg_pmap_height != new_pmap_height)
568	{
569	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;
574	}
575	/* fill with background color (if result's not completely overlapping it) */
576	gcv.foreground = pix_colors[Color_bg];
577	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
578
579	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
580	int dst_width = result->width, dst_height = result->height;
581	if (background == NULL)
582	{
583	if (!(bg_flags & BG_TILE))
584	{
585	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
586	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
587	}
588
589	if (dst_x > 0 || dst_y > 0
590	|| dst_x + dst_width < new_pmap_width
591	|| dst_y + dst_height < new_pmap_height)
592	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
593	}
594
595	/* put result on pixmap */
596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
597	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
598
599	if (result != background && result != original_asim)
600	destroy_asimage (&result);
601
602	XFreeGC (dpy, gc);
603
604	ret = true;
605	}
606
607	if (background)
608	destroy_asimage (&background);
609
610	return ret;
611	}
612	# endif /* HAVE_AFTERIMAGE */
613
614	# ifdef HAVE_PIXBUF
615	bool
616	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
617	int src_x, int src_y, int dst_x, int dst_y,
618	unsigned int width, unsigned int height)
619	{
620	XImage *ximage;
621	char *data, *line;
622	int bytes_per_pixel;
623	int width_r, width_g, width_b;
624	int sh_r, sh_g, sh_b;
625	int rowstride;
626	int channels;
627	unsigned char *row;
628
629	if (visual->c_class != TrueColor)
630	return false;
631
632	if (depth == 24 || depth == 32)
633	bytes_per_pixel = 4;
634	else if (depth == 15 || depth == 16)
635	bytes_per_pixel = 2;
636	else
637	return false;
638
639	width_r = ecb_popcount32 (visual->red_mask);
640	width_g = ecb_popcount32 (visual->green_mask);
641	width_b = ecb_popcount32 (visual->blue_mask);
642
643	if (width_r > 8 || width_g > 8 || width_b > 8)
644	return false;
645
646	sh_r = ecb_ctz32 (visual->red_mask);
647	sh_g = ecb_ctz32 (visual->green_mask);
648	sh_b = ecb_ctz32 (visual->blue_mask);
649
650	if (width > INT_MAX / height / bytes_per_pixel)
651	return false;
652
653	data = (char *)malloc (width * height * bytes_per_pixel);
654	if (!data)
655	return false;
656
657	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
658	width, height, bytes_per_pixel * 8, 0);
659	if (!ximage)
660	{
661	free (data);
662	return false;
663	}
664
665	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
666
667	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
668	channels = gdk_pixbuf_get_n_channels (pixbuf);
669	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
670	line = data;
671
672	for (int y = 0; y < height; y++)
673	{
674	for (int x = 0; x < width; x++)
675	{
676	unsigned char *pixel = row + x * channels;
677	uint32_t value;
678
679	value = ((pixel[0] >> (8 - width_r)) << sh_r)
680	| ((pixel[1] >> (8 - width_g)) << sh_g)
681	| ((pixel[2] >> (8 - width_b)) << sh_b);
682
683	if (bytes_per_pixel == 4)
684	((uint32_t *)line)[x] = value;
685	else
686	((uint16_t *)line)[x] = value;
687	}
688
689	row += rowstride;
690	line += ximage->bytes_per_line;
691	}
692
693	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
694	XDestroyImage (ximage);
695	return true;
696	}
697
698	bool
699	rxvt_term::render_image (unsigned long tr_flags)
700	{
701	if (!pixbuf)
702	return false;
703
704	if (tr_flags
705	&& !(bg_flags & BG_HAS_RENDER))
706	return false;
707
708	GdkPixbuf *result;
709
710	int image_width = gdk_pixbuf_get_width (pixbuf);
711	int image_height = gdk_pixbuf_get_height (pixbuf);
712
713	int target_width = szHint.width;
714	int target_height = szHint.height;
715	int new_pmap_width = target_width;
716	int new_pmap_height = target_height;
717
718	int x = 0;
719	int y = 0;
720	int w = 0;
721	int h = 0;
722
723	get_image_geometry (image_width, image_height, w, h, x, y);
724
725	if (!(bg_flags & BG_ROOT_ALIGN)	308	if (!(image.flags & IM_ROOT_ALIGN)
726	&& (x >= target_width	309	&& (x >= parent_width
727	|| y >= target_height	310	|| y >= parent_height
728	|| x + w <= 0	311	|| x + w <= 0
729	|| y + h <= 0))	312	|| y + h <= 0))
730	return false;	313	return false;
731		314
732	result = pixbuf;	315	rxvt_img *img = image.img->scale (w, h);
733		316
734	if (w != image_width	317	if (image.flags & IM_TILE)
735	|| h != image_height)	318	img->repeat_mode (RepeatNormal);
736	{
737	result = gdk_pixbuf_scale_simple (pixbuf,
738	w, h,
739	GDK_INTERP_BILINEAR);
740	}
741
742	if (!result)
743	return false;
744
745	bool ret = false;
746
747	XGCValues gcv;
748	GC gc;
749	Pixmap root_pmap;
750
751	image_width = gdk_pixbuf_get_width (result);
752	image_height = gdk_pixbuf_get_height (result);
753
754	if (tr_flags)
755	{
756	root_pmap = bg_pixmap;
757	bg_pixmap = None;
758	}
759	else	319	else
760	{	320	img->repeat_mode (RepeatNone);
		321	img->sub_rect (-x, -y, parent_width, parent_height)->replace (img);
		322
761	if (bg_flags & BG_TILE)	323	if (bg_flags & BG_IS_VALID)
762	{	324	img->draw (bg_img, PictOpOver, image.alpha * 1. / 0xffff);
763	new_pmap_width = min (image_width, target_width);
764	new_pmap_height = min (image_height, target_height);
765	}
766	}
767		325
768	if (bg_pixmap == None
769	|| bg_pmap_width != new_pmap_width
770	|| bg_pmap_height != new_pmap_height)
771	{
772	if (bg_pixmap)
773	XFreePixmap (dpy, bg_pixmap);
774	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
775	bg_pmap_width = new_pmap_width;
776	bg_pmap_height = new_pmap_height;
777	}
778
779	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
781
782	if (gc)
783	{
784	if (bg_flags & BG_TILE)
785	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
787	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,
789	0, 0,
790	image_width, image_height);
791
792	gcv.tile = tile;
793	gcv.fill_style = FillTiled;
794	gcv.ts_x_origin = x;
795	gcv.ts_y_origin = y;
796	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
797
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799	XFreePixmap (dpy, tile);
800	}
801	else
802	{
803	int src_x, src_y, dst_x, dst_y;
804	int dst_width, dst_height;
805
806	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
807	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
808
809	if (dst_x > 0 || dst_y > 0
810	|| dst_x + dst_width < new_pmap_width
811	|| dst_y + dst_height < new_pmap_height)
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813
814	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
815	pixbuf_to_pixmap (result, bg_pixmap, gc,
816	src_x, src_y,
817	dst_x, dst_y,
818	dst_width, dst_height);
819	}
820
821	#if XRENDER
822	if (tr_flags)
823	{
824	XRenderPictureAttributes pa;
825	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	326	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		327	img->convert_format (format, pix_colors [Color_bg])->replace (img);
826		328
827	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, &pa);	329	delete bg_img;
		330	bg_img = img;
828		331
829	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, &pa);
830
831	Picture mask = create_xrender_mask (dpy, vt, False, False);
832
833	XRenderColor mask_c;
834
835	mask_c.alpha = 0x8000;
836	mask_c.red = 0;
837	mask_c.green = 0;
838	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
840	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
841
842	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);
845	}
846	#endif
847
848	XFreeGC (dpy, gc);
849
850	ret = true;
851	}
852
853	if (result != pixbuf)
854	g_object_unref (result);
855
856	if (tr_flags)
857	XFreePixmap (dpy, root_pmap);
858
859	return ret;	332	return true;
860	}	333	}
861	# endif /* HAVE_PIXBUF */
862		334
863	bool	335	rxvt_image::rxvt_image ()
864	rxvt_term::bg_set_file (const char *file)	336	{
		337	alpha = 0xffff;
		338	flags = 0;
		339	h_scale =
		340	v_scale = defaultScale;
		341	h_align =
		342	v_align = defaultAlign;
		343
		344	img = 0;
		345	}
		346
		347	void
		348	rxvt_image::set_file_geometry (rxvt_screen *s, const char *file)
865	{	349	{
866	if (!file || !*file)	350	if (!file || !*file)
867	return false;	351	return;
868		352
869	bool ret = false;
870	const char *p = strchr (file, ';');	353	const char *p = strchr (file, ';');
871		354
872	if (p)	355	if (p)
873	{	356	{
874	size_t len = p - file;	357	size_t len = p - file;
…		…
876	memcpy (f, file, len);	359	memcpy (f, file, len);
877	f[len] = '\0';	360	f[len] = '\0';
878	file = f;	361	file = f;
879	}	362	}
880		363
881	# ifdef HAVE_AFTERIMAGE	364	set_file (s, file);
882	if (!asimman)	365	alpha = 0x8000;
883	asimman = create_generic_imageman (rs[Rs_path]);	366	set_geometry (p ? p + 1 : "");
884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	367	}
885	if (image)
886	{
887	if (original_asim)
888	safe_asimage_destroy (original_asim);
889	original_asim = image;
890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
891	ret = true;
892	}
893	# endif
894		368
895	# ifdef HAVE_PIXBUF	369	void
896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	370	rxvt_image::set_file (rxvt_screen *s, const char *file)
897	if (image)	371	{
898	{	372	rxvt_img *img2 = rxvt_img::new_from_file (s, file);
899	if (pixbuf)	373	delete img;
900	g_object_unref (pixbuf);	374	img = img2;
901	pixbuf = image;
902	bg_flags |= BG_IS_FROM_FILE;
903	ret = true;
904	}
905	# endif
906
907	if (ret)
908	{
909	if (p)
910	bg_set_geometry (p + 1);
911	else
912	bg_set_default_geometry ();
913	}
914
915	return ret;
916	}	375	}
917		376
918	# endif /* BG_IMAGE_FROM_FILE */	377	# endif /* BG_IMAGE_FROM_FILE */
919		378
920	# ifdef ENABLE_TRANSPARENCY
921	bool	379	bool
922	rxvt_term::bg_set_transparent ()	380	image_effects::set_blur (const char *geom)
923	{
924	if (!(bg_flags & BG_IS_TRANSPARENT))
925	{
926	bg_flags |= BG_IS_TRANSPARENT;
927	return true;
928	}
929
930	return false;
931	}
932
933	bool
934	rxvt_term::bg_set_blur (const char *geom)
935	{	381	{
936	bool changed = false;	382	bool changed = false;
937	unsigned int hr, vr;	383	unsigned int hr, vr;
938	int junk;	384	int junk;
939	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	385	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
956	{	402	{
957	changed = true;	403	changed = true;
958	v_blurRadius = vr;	404	v_blurRadius = vr;
959	}	405	}
960		406
961	if (v_blurRadius == 0 && h_blurRadius == 0)
962	bg_flags &= ~BG_NEEDS_BLUR;
963	else
964	bg_flags |= BG_NEEDS_BLUR;
965
966	return changed;	407	return changed;
967	}	408	}
968		409
969	void
970	rxvt_term::set_tint_shade_flags ()
971	{
972	rgba c;
973	bool has_shade = shade != 100;
974
975	bg_flags &= ~BG_TINT_FLAGS;
976
977	tint.get (c);
978
979	if (!has_shade
980	&& (c.r <= 0x00ff || c.r >= 0xff00)
981	&& (c.g <= 0x00ff || c.g >= 0xff00)
982	&& (c.b <= 0x00ff || c.b >= 0xff00))
983	bg_flags |= BG_TINT_BITAND;
984
985	if (has_shade
986	|| c.r < 0xff00
987	|| c.g < 0xff00
988	|| c.b < 0xff00)
989	bg_flags |= BG_NEEDS_TINT;
990	}
991
992	bool	410	bool
993	rxvt_term::bg_set_tint (rxvt_color &new_tint)	411	image_effects::set_tint (const rxvt_color &new_tint)
994	{	412	{
995	if (tint != new_tint)	413	if (!tint_set || tint != new_tint)
996	{	414	{
997	tint = new_tint;	415	tint = new_tint;
998	set_tint_shade_flags ();	416	tint_set = true;
		417
999	return true;	418	return true;
1000	}	419	}
1001		420
1002	return false;	421	return false;
1003	}	422	}
1004		423
1005	bool	424	bool
1006	rxvt_term::bg_set_shade (const char *shade_str)	425	image_effects::set_shade (const char *shade_str)
1007	{	426	{
1008	int new_shade = atoi (shade_str);	427	int new_shade = atoi (shade_str);
1009		428
1010	clamp_it (new_shade, -100, 200);	429	clamp_it (new_shade, -100, 200);
1011	if (new_shade < 0)	430	if (new_shade < 0)
1012	new_shade = 200 - (100 + new_shade);	431	new_shade = 200 - (100 + new_shade);
1013		432
1014	if (new_shade != shade)	433	if (new_shade != shade)
1015	{	434	{
1016	shade = new_shade;	435	shade = new_shade;
1017	set_tint_shade_flags ();
1018	return true;	436	return true;
1019	}	437	}
1020		438
1021	return false;	439	return false;
1022	}	440	}
1023		441
1024	#if XRENDER	442	# if ENABLE_TRANSPARENCY
1025	static void
1026	get_gaussian_kernel (int radius, int width, double *kernel, XFixed *params)
1027	{
1028	double sigma = radius / 2.0;
1029	double scale = sqrt (2.0 * M_PI) * sigma;
1030	double sum = 0.0;
1031
1032	for (int i = 0; i < width; i++)
1033	{
1034	double x = i - width / 2;
1035	kernel[i] = exp (-(x * x) / (2.0 * sigma * sigma)) / scale;
1036	sum += kernel[i];
1037	}
1038
1039	params[0] = XDoubleToFixed (width);
1040	params[1] = XDoubleToFixed (1);
1041
1042	for (int i = 0; i < width; i++)
1043	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1044	}
1045	#endif
1046
1047	bool
1048	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1049	{
1050	bool ret = false;
1051	#if XRENDER
1052	if (!(bg_flags & BG_HAS_RENDER_CONV))
1053	return false;
1054
1055	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1056	double *kernel = (double *)malloc (size * sizeof (double));
1057	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1058
1059	XRenderPictureAttributes pa;
1060	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1061
1062	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1063	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1064
1065	if (kernel && params)
1066	{
1067	if (h_blurRadius)
1068	{
1069	size = h_blurRadius * 2 + 1;
1070	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1071
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,
1074	PictOpSrc,
1075	src,
1076	None,
1077	dst,
1078	0, 0,
1079	0, 0,
1080	0, 0,
1081	width, height);
1082	}
1083
1084	if (v_blurRadius)
1085	{
1086	size = v_blurRadius * 2 + 1;
1087	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1088	::swap (params[0], params[1]);
1089
1090	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1091	XRenderComposite (dpy,
1092	PictOpSrc,
1093	src,
1094	None,
1095	dst,
1096	0, 0,
1097	0, 0,
1098	0, 0,
1099	width, height);
1100	}
1101
1102	ret = true;
1103	}
1104
1105	free (kernel);
1106	free (params);
1107	XRenderFreePicture (dpy, src);
1108	XRenderFreePicture (dpy, dst);
1109	#endif
1110	return ret;
1111	}
1112
1113	bool
1114	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1115	{
1116	bool ret = false;
1117
1118	if (bg_flags & BG_TINT_BITAND)
1119	{
1120	XGCValues gcv;
1121	GC gc;
1122
1123	/* In this case we can tint image server-side getting significant
1124	* performance improvements, as we eliminate XImage transfer
1125	*/
1126	gcv.foreground = Pixel (tint);
1127	gcv.function = GXand;
1128	gcv.fill_style = FillSolid;
1129	gc = XCreateGC (dpy, pixmap, GCFillStyle | GCForeground | GCFunction, &gcv);
1130	if (gc)
1131	{
1132	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1133	ret = true;
1134	XFreeGC (dpy, gc);
1135	}
1136	}
1137	# if XRENDER
1138	else if (bg_flags & BG_HAS_RENDER)
1139	{
1140	rgba c;
1141
1142	tint.get (c);
1143
1144	if (shade <= 100)
1145	{
1146	c.r = c.r * shade / 100;
1147	c.g = c.g * shade / 100;
1148	c.b = c.b * shade / 100;
1149	}
1150	else
1151	{
1152	c.r = c.r * (200 - shade) / 100;
1153	c.g = c.g * (200 - shade) / 100;
1154	c.b = c.b * (200 - shade) / 100;
1155	}
1156
1157	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1158	XRenderPictureAttributes pa;
1159
1160	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);
1161
1162	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1163
1164	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1165
1166	XRenderColor mask_c;
1167
1168	mask_c.alpha = 0xffff;
1169	mask_c.red =
1170	mask_c.green =
1171	mask_c.blue = 0;
1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1173
1174	mask_c.alpha = 0;
1175	mask_c.red = 0xffff - c.r;
1176	mask_c.green = 0xffff - c.g;
1177	mask_c.blue = 0xffff - c.b;
1178	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1179	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1180
1181	if (shade > 100)
1182	{
1183	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1184	mask_c.alpha = 0;
1185	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1186
1187	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1188	}
1189
1190	ret = true;
1191
1192	XRenderFreePicture (dpy, mask_pic);
1193	XRenderFreePicture (dpy, overlay_pic);
1194	XRenderFreePicture (dpy, back_pic);
1195	}
1196	# endif
1197
1198	return ret;
1199	}
1200
1201	/*	443	/*
1202	* Builds a pixmap of the same size as the terminal window that contains	444	* Builds a pixmap of the same size as the terminal window that contains
1203	* the tiled portion of the root pixmap that is supposed to be covered by	445	* the tiled portion of the root pixmap that is supposed to be covered by
1204	* our window.	446	* our window.
1205	*/	447	*/
1206	unsigned long	448	bool
1207	rxvt_term::make_transparency_pixmap ()	449	rxvt_term::render_root_image ()
1208	{	450	{
1209	unsigned long result = 0;
1210
1211	/* root dimensions may change from call to call - but Display structure should	451	/* root dimensions may change from call to call - but Display structure should
1212	* be always up-to-date, so let's use it :	452	* be always up-to-date, so let's use it :
1213	*/	453	*/
1214	int screen = display->screen;	454	int screen = display->screen;
1215	int root_depth = DefaultDepth (dpy, screen);
1216	int root_width = DisplayWidth (dpy, screen);	455	int root_width = DisplayWidth (dpy, screen);
1217	int root_height = DisplayHeight (dpy, screen);	456	int root_height = DisplayHeight (dpy, screen);
1218	unsigned int root_pmap_width, root_pmap_height;
1219	int window_width = szHint.width;	457	int parent_width = szHint.width;
1220	int window_height = szHint.height;	458	int parent_height = szHint.height;
1221	int sx, sy;	459	int sx, sy;
1222	XGCValues gcv;
1223	GC gc;
1224		460
1225	sx = target_x;	461	sx = parent_x;
1226	sy = target_y;	462	sy = parent_y;
		463
		464	if (!root_img)
		465	return false;
1227		466
1228	/* check if we are outside of the visible part of the virtual screen : */	467	/* check if we are outside of the visible part of the virtual screen : */
1229	if (sx + window_width <= 0 || sy + window_height <= 0	468	if (sx + parent_width <= 0 || sy + parent_height <= 0
1230	|| sx >= root_width || sy >= root_height)	469	|| sx >= root_width || sy >= root_height)
1231	return 0;	470	return 0;
1232		471
1233	// validate root pixmap and get its size	472	while (sx < 0) sx += root_img->w;
1234	if (root_pixmap != None)	473	while (sy < 0) sy += root_img->h;
1235	{
1236	Window wdummy;
1237	int idummy;
1238	unsigned int udummy;
1239		474
1240	allowedxerror = -1;	475	rxvt_img *img = root_img->sub_rect (sx, sy, parent_width, parent_height);
1241		476
1242	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pmap_width, &root_pmap_height, &udummy, &udummy))	477	if (root_effects.need_blur ())
1243	root_pixmap = None;	478	img->blur (root_effects.h_blurRadius, root_effects.v_blurRadius)->replace (img);
1244		479
1245	allowedxerror = 0;	480	if (root_effects.need_tint ())
1246	}	481	tint_image (img, root_effects.tint, root_effects.tint_set, root_effects.shade);
1247		482
1248	Pixmap recoded_root_pmap = root_pixmap;
1249
1250	if (root_pixmap != None && root_depth != depth)
1251	{
1252	#if XRENDER
1253	if (bg_flags & BG_HAS_RENDER)
1254	{
1255	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1256
1257	XRenderPictureAttributes pa;
1258
1259	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1260	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1261
1262	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	483	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1263	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	484	img->convert_format (format, pix_colors [Color_bg])->replace (img);
1264		485
1265	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	486	delete bg_img;
		487	bg_img = img;
1266		488
1267	XRenderFreePicture (dpy, src);
1268	XRenderFreePicture (dpy, dst);
1269	}
1270	else
1271	#endif
1272	recoded_root_pmap = None;
1273	}
1274
1275	if (recoded_root_pmap == None)
1276	return 0;
1277
1278	if (bg_pixmap == None
1279	|| bg_pmap_width != window_width
1280	|| bg_pmap_height != window_height)
1281	{
1282	if (bg_pixmap)
1283	XFreePixmap (dpy, bg_pixmap);
1284	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1285	bg_pmap_width = window_width;
1286	bg_pmap_height = window_height;
1287	}
1288
1289	/* straightforward pixmap copy */
1290	while (sx < 0) sx += root_pmap_width;
1291	while (sy < 0) sy += root_pmap_height;
1292
1293	gcv.tile = recoded_root_pmap;
1294	gcv.fill_style = FillTiled;
1295	gcv.ts_x_origin = -sx;
1296	gcv.ts_y_origin = -sy;
1297	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1298
1299	if (gc)
1300	{
1301	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1302	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);
1303
1304	if (!(bg_flags & BG_CLIENT_RENDER))
1305	{
1306	if (bg_flags & BG_NEEDS_BLUR)
1307	{
1308	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_BLUR;
1310	}
1311	if (bg_flags & BG_NEEDS_TINT)
1312	{
1313	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1314	result &= ~BG_NEEDS_TINT;
1315	}
1316	# ifndef HAVE_AFTERIMAGE
1317	if (result & BG_NEEDS_TINT)
1318	{
1319	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1320	if (ximage)
1321	{
1322	/* our own client-side tinting */
1323	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1324
1325	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1326	XDestroyImage (ximage);
1327	}
1328	}
1329	# endif
1330	} /* server side rendering completed */
1331
1332	XFreeGC (dpy, gc);
1333	}
1334
1335	if (recoded_root_pmap != root_pixmap)
1336	XFreePixmap (dpy, recoded_root_pmap);
1337
1338	return result;	489	return true;
1339	}	490	}
1340		491
1341	void	492	void
1342	rxvt_term::bg_set_root_pixmap ()	493	rxvt_term::bg_set_root_pixmap ()
1343	{	494	{
1344	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	495	delete root_img;
1345	if (new_root_pixmap == None)	496	root_img = rxvt_img::new_from_root (this);
1346	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1347
1348	root_pixmap = new_root_pixmap;
1349	}	497	}
1350	# endif /* ENABLE_TRANSPARENCY */	498	# endif /* ENABLE_TRANSPARENCY */
1351		499
1352	bool	500	void
1353	rxvt_term::bg_render ()	501	rxvt_term::bg_render ()
1354	{	502	{
1355	unsigned long tr_flags = 0;	503	if (bg_flags & BG_INHIBIT_RENDER)
		504	return;
1356		505
1357	bg_invalidate ();	506	bg_invalidate ();
1358	# ifdef ENABLE_TRANSPARENCY	507	# if ENABLE_TRANSPARENCY
1359	if (bg_flags & BG_IS_TRANSPARENT)	508	if (bg_flags & BG_IS_TRANSPARENT)
1360	{	509	{
1361	/* we need to re-generate transparency pixmap in that case ! */	510	/* we need to re-generate transparency pixmap in that case ! */
1362	tr_flags = make_transparency_pixmap ();
1363	if (tr_flags == 0)
1364	return false;
1365	bg_flags |= BG_IS_VALID;
1366	}
1367	# endif
1368
1369	# ifdef BG_IMAGE_FROM_FILE
1370	if ((bg_flags & BG_IS_FROM_FILE)
1371	|| (tr_flags & BG_EFFECTS_FLAGS))
1372	{
1373	if (render_image (tr_flags))	511	if (render_root_image ())
1374	bg_flags |= BG_IS_VALID;	512	bg_flags |= BG_IS_VALID;
1375	}	513	}
1376	# endif	514	# endif
1377		515
		516	# if BG_IMAGE_FROM_FILE
		517	if (fimage.img)
		518	{
		519	if (render_image (fimage))
		520	bg_flags |= BG_IS_VALID;
		521	}
		522	# endif
		523
1378	if (!(bg_flags & BG_IS_VALID))	524	if (!(bg_flags & BG_IS_VALID))
1379	{	525	{
1380	if (bg_pixmap != None)	526	delete bg_img;
1381	{	527	bg_img = 0;
1382	XFreePixmap (dpy, bg_pixmap);
1383	bg_pixmap = None;
1384	}
1385	}	528	}
1386		529
1387	scr_recolour (false);	530	scr_recolour (false);
1388	bg_flags |= BG_NEEDS_REFRESH;	531	bg_flags |= BG_NEEDS_REFRESH;
1389		532
1390	bg_valid_since = ev::now ();	533	bg_valid_since = ev::now ();
1391
1392	return true;
1393	}	534	}
1394		535
1395	void	536	void
1396	rxvt_term::bg_init ()	537	rxvt_term::bg_init ()
1397	{	538	{
1398	#ifdef ENABLE_TRANSPARENCY	539	#if ENABLE_TRANSPARENCY
		540	if (option (Opt_transparent))
		541	{
		542	bg_set_transparent ();
		543
		544	if (rs [Rs_blurradius])
		545	root_effects.set_blur (rs [Rs_blurradius]);
		546
		547	if (ISSET_PIXCOLOR (Color_tint))
		548	root_effects.set_tint (pix_colors_focused [Color_tint]);
		549
		550	if (rs [Rs_shade])
		551	root_effects.set_shade (rs [Rs_shade]);
		552
		553	bg_set_root_pixmap ();
		554	XSelectInput (dpy, display->root, PropertyChangeMask);
		555	rootwin_ev.start (display, display->root);
		556	}
		557	#endif
		558
		559	#if BG_IMAGE_FROM_FILE
		560	if (rs[Rs_backgroundPixmap])
		561	{
		562	fimage.set_file_geometry (this, rs[Rs_backgroundPixmap]);
		563	if (!bg_window_position_sensitive ())
		564	update_background ();
		565	}
		566	#endif
		567	}
		568
		569	void
		570	rxvt_term::tint_image (rxvt_img *img, rxvt_color &tint, bool tint_set, int shade)
		571	{
1399	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	572	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1400	tint.set (this, c);
1401	shade = 100;
1402	#endif
1403		573
1404	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	574	if (tint_set)
1405	#if XRENDER
1406	int major, minor;
1407	if (XRenderQueryVersion (dpy, &major, &minor))
1408	bg_flags |= BG_HAS_RENDER;
1409	XFilters *filters = XRenderQueryFilters (dpy, vt);
1410	if (filters)
1411	{
1412	for (int i = 0; i < filters->nfilter; i++)
1413	if (!strcmp (filters->filter[i], FilterConvolution))
1414	bg_flags |= BG_HAS_RENDER_CONV;
1415
1416	XFree (filters);
1417	}
1418	#endif
1419	}
1420
1421	#endif /* HAVE_BG_PIXMAP */
1422
1423	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1424	/* based on code from aterm-0.4.2 */
1425
1426	static inline void
1427	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1428	{
1429	for (int i = 0; i <= mask >> sh; i++)
1430	{
1431	uint32_t tmp;
1432	tmp = i * high;
1433	tmp += (mask >> sh) * low;
1434	lookup[i] = (tmp / 0xffff) << sh;
1435	}
1436	}
1437
1438	void
1439	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
1440	{
1441	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	unsigned short low;
1445	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1446
1447	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1448
1449	/* for convenience */
1450	mask_r = visual->red_mask;
1451	mask_g = visual->green_mask;
1452	mask_b = visual->blue_mask;
1453
1454	/* boring lookup table pre-initialization */
1455	switch (ximage->depth)
1456	{
1457	case 15:
1458	if ((mask_r != 0x7c00) ||
1459	(mask_g != 0x03e0) ||
1460	(mask_b != 0x001f))
1461	return;
1462	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));
1463	lookup_r = lookup;
1464	lookup_g = lookup+32;
1465	lookup_b = lookup+32+32;
1466	sh_r = 10;
1467	sh_g = 5;
1468	sh_b = 0;
1469	break;
1470	case 16:
1471	if ((mask_r != 0xf800) ||
1472	(mask_g != 0x07e0) ||
1473	(mask_b != 0x001f))
1474	return;
1475	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1476	lookup_r = lookup;
1477	lookup_g = lookup+32;
1478	lookup_b = lookup+32+64;
1479	sh_r = 11;
1480	sh_g = 5;
1481	sh_b = 0;
1482	break;
1483	case 24:
1484	if ((mask_r != 0xff0000) ||
1485	(mask_g != 0x00ff00) ||
1486	(mask_b != 0x0000ff))
1487	return;
1488	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1489	lookup_r = lookup;
1490	lookup_g = lookup+256;
1491	lookup_b = lookup+256+256;
1492	sh_r = 16;
1493	sh_g = 8;
1494	sh_b = 0;
1495	break;
1496	case 32:
1497	if ((mask_r != 0xff0000) ||
1498	(mask_g != 0x00ff00) ||
1499	(mask_b != 0x0000ff))
1500	return;
1501	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1502	lookup_r = lookup;
1503	lookup_g = lookup+256;
1504	lookup_b = lookup+256+256;
1505	sh_r = 16;
1506	sh_g = 8;
1507	sh_b = 0;
1508	break;
1509	default:
1510	return; /* we do not support this color depth */
1511	}
1512
1513	rgba c;
1514
1515	tint.get (c);	575	tint.get (c);
1516		576
1517	/* prepare limits for color transformation (each channel is handled separately) */
1518	if (shade > 100)	577	if (shade > 100)
1519	{	578	{
1520	c.r = c.r * (200 - shade) / 100;	579	c.r = c.r * (200 - shade) / 100;
1521	c.g = c.g * (200 - shade) / 100;	580	c.g = c.g * (200 - shade) / 100;
1522	c.b = c.b * (200 - shade) / 100;	581	c.b = c.b * (200 - shade) / 100;
1523
1524	low = 0xffff * (shade - 100) / 100;
1525	}	582	}
1526	else	583	else
1527	{	584	{
1528	c.r = c.r * shade / 100;	585	c.r = c.r * shade / 100;
1529	c.g = c.g * shade / 100;	586	c.g = c.g * shade / 100;
1530	c.b = c.b * shade / 100;	587	c.b = c.b * shade / 100;
1531
1532	low = 0;
1533	}
1534
1535	/* fill our lookup tables */
1536	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1537	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1538	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1539
1540	/* apply table to input image (replacing colors by newly calculated ones) */
1541	if (ximage->bits_per_pixel == 32
1542	&& (ximage->depth == 24 || ximage->depth == 32)
1543	&& ximage->byte_order == host_byte_order)
1544	{	588	}
1545	uint32_t *p1, *pf, *p, *pl;
1546	p1 = (uint32_t *) ximage->data;
1547	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1548		589
1549	while (p1 < pf)	590	img->contrast (c.r, c.g, c.b, c.a);
1550	{	591
1551	p = p1;	592	if (shade > 100)
1552	pl = p1 + ximage->width;
1553	for (; p < pl; p++)
1554	{
1555	*p = lookup_r[(*p & 0xff0000) >> 16] |
1556	lookup_g[(*p & 0x00ff00) >> 8] |
1557	lookup_b[(*p & 0x0000ff)] |
1558	(*p & 0xff000000);
1559	}
1560	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);
1561	}
1562	}	593	{
1563	else	594	c.a = 0xffff;
		595	c.r =
		596	c.g =
		597	c.b = 0xffff * (shade - 100) / 100;
		598	img->brightness (c.r, c.g, c.b, c.a);
1564	{	599	}
1565	for (int y = 0; y < ximage->height; y++)
1566	for (int x = 0; x < ximage->width; x++)
1567	{
1568	unsigned long pixel = XGetPixel (ximage, x, y);
1569	pixel = lookup_r[(pixel & mask_r) >> sh_r] |
1570	lookup_g[(pixel & mask_g) >> sh_g] |
1571	lookup_b[(pixel & mask_b) >> sh_b];
1572	XPutPixel (ximage, x, y, pixel);
1573	}
1574	}
1575
1576	free (lookup);
1577	}	600	}
1578	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	601
		602	#endif /* HAVE_BG_PIXMAP */

Diff Legend

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