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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 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	*/
52		40
53	#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
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
58	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
59	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif	66	# endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70		67
71	if (bg_pixmap)	68	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
73	}	70	}
74		71
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	91	return true;
95	# endif	92	# endif
96		93
97	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
99	{	96	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
101	return true;	100	return true;
102	}	101	}
103	# endif	102	# endif
104		103
105	return false;	104	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	112	return true;
114	# endif	113	# endif
115		114
116	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
118	{	117	{
119	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
120	return true;	119	return true;
121	}	120	}
122	# endif	121	# endif
123		122
124	return false;	123	return false;
125	}	124	}
126		125
127	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	127	static inline int
163	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
164	{	129	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
169	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	132	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	134	else
173	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	136	}
176		137
177	static inline int	138	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	140	{
…		…
185	src_pos = -pos;	146	src_pos = -pos;
186	dst_pos = 0;	147	dst_pos = 0;
187	dst_size += pos;	148	dst_size += pos;
188	}	149	}
189		150
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	152	return src_pos;
193	}	153	}
194		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
195	bool	190	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
197	{	192	{
198	bool changed = false;	193	bool changed = false;
199	int geom_flags = 0;	194	int geom_flags = 0;
200	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
201	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
203		200
204	if (geom == NULL)	201	if (geom == NULL)
205	return false;	202	return false;
206		203
207	if (geom[0])	204	if (geom[0])
208	{	205	{
209	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
210		207
211	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
212	{	209	{
213	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
214	{	211	{
215	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
216	w = h = noScale;
217	x = y = 0;
218	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
219	}	214	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{
222	new_flags = BG_PROP_SCALE;
223	w = h = windowScale;
224	x = y = centerAlign;
225	geom_flags = WidthValue|HeightValue|XValue|YValue;
226	}
227	else if (!strcasecmp (arr[i], "style=stretched"))
228	{
229	new_flags = 0;
230	w = h = windowScale;
231	geom_flags = WidthValue|HeightValue;
232	}
233	else if (!strcasecmp (arr[i], "style=centered"))
234	{
235	new_flags = 0;
236	w = h = noScale;
237	x = y = centerAlign;
238	geom_flags = WidthValue|HeightValue|XValue|YValue;
239	}
240	else if (!strcasecmp (arr[i], "style=root-tiled"))
241	{
242	new_flags = BG_TILE|BG_ROOT_ALIGN;
243	w = h = noScale;
244	geom_flags = WidthValue|HeightValue;
245	}
246	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
252		221
253	// deprecated	222	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
255	{	224	{
256	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
257	w = h = noScale;	226	w = h = noScale;
258	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
259	}	228	}
260	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
261	{	230	{
262	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
263	}	234	}
264	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
265	{	236	{
266	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
267	w = windowScale;	238	w = windowScale;
268	h = noScale;	239	h = noScale;
269	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
270	}	241	}
271	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
272	{	243	{
273	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
274	h = windowScale;	245	h = windowScale;
275	w = noScale;	246	w = noScale;
276	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
277	}	248	}
278	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
286	x = y = centerAlign;	257	x = y = centerAlign;
287	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
288	}	259	}
289	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
290	{	261	{
291	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
292	w = h = noScale;	263	w = h = noScale;
293	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
294	}	265	}
295		266
296	else	267	else
297	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	269	} /* done parsing ops */
299		270
300	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
301	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
302		275
303	if (!update)	276	if (!update)
304	{	277	{
305	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	284	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
313	h = w;	286	h = w;
314	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
315	w = h;	288	w = h;
316
317	geom_flags |= WidthValue|HeightValue|XValue|YValue;
318	}
319
320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
324
325	if (new_flags != bg_flags)
326	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
327	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
328	changed = true;	305	changed = true;
329	}	306	}
330		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
331	return changed;	313	return changed;
332	}	314	}
333		315
334	void	316	void
335	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
336	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
337	int target_width = szHint.width;	321	int target_width = szHint.width;
338	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
339		325
340	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
342		328
343	if (bg_flags & BG_PROP_SCALE)	329	if (image.flags & IM_KEEP_ASPECT)
344	{	330	{
345	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
349	}	335	}
350		336
351	if (!w) w = image_width;	337	if (!w) w = image_width;
352	if (!h) h = image_height;	338	if (!h) h = image_height;
353		339
354	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
355	{	341	{
356	x = -target_x;	342	x = -target_x;
357	y = -target_y;	343	y = -target_y;
358	}	344	}
359	else	345	else
360	{	346	{
361	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
363	}
364
365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366	if (!(bg_flags & BG_TILE)
367	|| h_scale || v_scale
368	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
369	|| w > target_width || h > target_height)
370	bg_flags |= BG_IS_SIZE_SENSITIVE;
371	}
372
373	# ifdef HAVE_AFTERIMAGE
374	bool
375	rxvt_term::render_image (unsigned long tr_flags)
376	{
377	init_asv ();
378
379	ASImage *background = NULL;
380	ARGB32 background_tint = TINT_LEAVE_SAME;
381
382	# ifdef ENABLE_TRANSPARENCY
383	if (tr_flags)
384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
385
386	if (tr_flags & BG_NEEDS_TINT)
387	{	349	}
388	ShadingInfo as_shade;	350	}
389	as_shade.shading = shade;
390		351
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
392	if (bg_flags & BG_TINT_SET)	353	bool
393	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
394	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
395	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
396	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
397		366
398	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
399	}	371	{
400		372	red_mask = 0xff << 16;
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
402	{	376	}
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
404	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
405	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
406	if (tmp)	384	if (format)
407	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
408	destroy_asimage (&background);	386	else
409	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
410	}	439	{
411	}	440	unsigned char *pixel = row + x * channels;
412	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
413		443
414	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
415		496
416	int target_width = szHint.width;	497	int target_width = szHint.width;
417	int target_height = szHint.height;	498	int target_height = szHint.height;
418	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
421	int x = 0;	502	int x = 0;
422	int y = 0;	503	int y = 0;
423	int w = 0;	504	int w = 0;
424	int h = 0;	505	int h = 0;
425		506
426	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428		508
429	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
430	|| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width	510	&& (x >= target_width
432	|| y >= target_height	511	|| y >= target_height
433	|| (x + w <= 0)	512	|| x + w <= 0
434	|| (y + h <= 0))))	513	|| y + h <= 0))
435	{	514	return false;
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441		515
442	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
443	{	517
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
445	target_width, target_height, background_tint,	519	|| h != image_height)
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
454	else	540	else
455	{	541	{
456	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
457		543	// other pixbufs to render. Otherwise, the bg pixmap size must
458	if ((w != original_asim->width)	544	// be equal to the window size.
459	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
460	{	546	&& image_vec.size () == 1)
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}	547	{
466		548	new_pmap_width = min (image_width, target_width);
467	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
468	{	550	}
469	if (bg_flags & BG_TILE)
470	{
471	/* if tiling - pixmap has to be sized exactly as the image,
472	but there is no need to make it bigger than the window! */
473	new_pmap_width = min (result->width, target_width);
474	new_pmap_height = min (result->height, target_height);
475		551
476	/* we also need to tile our image in both directions */
477	ASImage *tmp = tile_asimage (asv, result,
478	(int)result->width - x,
479	(int)result->height - y,
480	new_pmap_width,
481	new_pmap_height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488
489	result = tmp;
490	}
491	}
492	}
493	else
494	{
495	/* if blending background and image - pixmap has to be sized same as target window */
496	ASImageLayer *layers = create_image_layers (2);
497
498	layers[0].im = background;
499	layers[0].clip_width = target_width;
500	layers[0].clip_height = target_height;
501	layers[0].tint = background_tint;
502	layers[1].im = result;
503
504	if (bg_flags & BG_TILE)
505	{
506	/* tile horizontally */
507	while (x > 0) x -= (int)result->width;
508	layers[1].dst_x = x;
509	layers[1].clip_width = result->width+target_width;
510	}
511	else
512	{
513	/* clip horizontally */
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width;
516	}
517
518	if (bg_flags & BG_TILE)
519	{
520	while (y > 0) y -= (int)result->height;
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height + target_height;
523	}
524	else
525	{
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height;
528	}
529
530	if (rs[Rs_blendtype])
531	{
532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533	if (layers[1].merge_scanlines == NULL)
534	layers[1].merge_scanlines = alphablend_scanlines;
535	}
536
537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540	if (tmp)
541	{
542	if (result != original_asim)
543	destroy_asimage (&result);
544
545	result = tmp;
546	}
547
548	free (layers);
549	}
550	}
551
552	bool ret = false;
553
554	if (result)
555	{
556	XGCValues gcv;
557	GC gc;
558
559	/* create Pixmap */
560	if (bg_pixmap == None	552	if (bg_pixmap == None
561	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
562	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
563	{	555	{
564	if (bg_pixmap)	556	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
569	}	561	}
570	/* fill with background color (if result's not completely overlapping it) */
571	gcv.foreground = pix_colors[Color_bg];
572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573		562
574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575	int dst_width = result->width, dst_height = result->height;
576	if (background == NULL)
577	{
578	if (!(bg_flags & BG_TILE))
579	{
580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582	}
583
584	if (dst_x > 0 || dst_y > 0
585	|| dst_x + dst_width < new_pmap_width
586	|| dst_y + dst_height < new_pmap_height)
587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588	}
589
590	/* put result on pixmap */
591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594	if (result != background && result != original_asim)
595	destroy_asimage (&result);
596
597	XFreeGC (dpy, gc);
598
599	ret = true;
600	}
601
602	if (background)
603	destroy_asimage (&background);
604
605	return ret;
606	}
607	# endif /* HAVE_AFTERIMAGE */
608
609	# ifdef HAVE_PIXBUF
610	bool
611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612	int src_x, int src_y, int dst_x, int dst_y,
613	unsigned int width, unsigned int height)
614	{
615	XImage *ximage;
616	char *data, *line;
617	int bytes_per_pixel;
618	int width_r, width_g, width_b;
619	int sh_r, sh_g, sh_b;
620	int rowstride;
621	int channels;
622	unsigned char *row;
623
624	if (visual->c_class != TrueColor)
625	return false;
626
627	if (depth == 24 || depth == 32)
628	bytes_per_pixel = 4;
629	else if (depth == 15 || depth == 16)
630	bytes_per_pixel = 2;
631	else
632	return false;
633
634	width_r = ecb_popcount32 (visual->red_mask);
635	width_g = ecb_popcount32 (visual->green_mask);
636	width_b = ecb_popcount32 (visual->blue_mask);
637
638	if (width_r > 8 || width_g > 8 || width_b > 8)
639	return false;
640
641	sh_r = ecb_ctz32 (visual->red_mask);
642	sh_g = ecb_ctz32 (visual->green_mask);
643	sh_b = ecb_ctz32 (visual->blue_mask);
644
645	if (width > INT_MAX / height / bytes_per_pixel)
646	return false;
647
648	data = (char *)malloc (width * height * bytes_per_pixel);
649	if (!data)
650	return false;
651
652	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
653	width, height, bytes_per_pixel * 8, 0);
654	if (!ximage)
655	{
656	free (data);
657	return false;
658	}
659
660	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
661
662	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
663	channels = gdk_pixbuf_get_n_channels (pixbuf);
664	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
665	line = data;
666
667	for (int y = 0; y < height; y++)
668	{
669	for (int x = 0; x < width; x++)
670	{
671	unsigned char *pixel = row + x * channels;
672	uint32_t value;
673
674	value = ((pixel[0] >> (8 - width_r)) << sh_r)
675	| ((pixel[1] >> (8 - width_g)) << sh_g)
676	| ((pixel[2] >> (8 - width_b)) << sh_b);
677
678	if (bytes_per_pixel == 4)
679	((uint32_t *)line)[x] = value;
680	else
681	((uint16_t *)line)[x] = value;
682	}
683
684	row += rowstride;
685	line += ximage->bytes_per_line;
686	}
687
688	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
689	XDestroyImage (ximage);
690	return true;
691	}
692
693	bool
694	rxvt_term::render_image (unsigned long tr_flags)
695	{
696	if (!pixbuf)
697	return false;
698
699	if (tr_flags
700	&& !(bg_flags & BG_HAS_RENDER))
701	return false;
702
703	GdkPixbuf *result;
704
705	int image_width = gdk_pixbuf_get_width (pixbuf);
706	int image_height = gdk_pixbuf_get_height (pixbuf);
707
708	int target_width = szHint.width;
709	int target_height = szHint.height;
710	int new_pmap_width = target_width;
711	int new_pmap_height = target_height;
712
713	int x = 0;
714	int y = 0;
715	int w = 0;
716	int h = 0;
717
718	get_image_geometry (image_width, image_height, w, h, x, y);
719
720	if (!(bg_flags & BG_ROOT_ALIGN)
721	&& (x >= target_width
722	|| y >= target_height
723	|| (x + w <= 0)
724	|| (y + h <= 0)))
725	return false;
726
727	result = pixbuf;
728
729	if ((w != image_width)
730	|| (h != image_height))
731	{
732	result = gdk_pixbuf_scale_simple (pixbuf,
733	w, h,
734	GDK_INTERP_BILINEAR);
735	}
736
737	if (!result)
738	return false;
739
740	bool ret = false;
741
742	XGCValues gcv;
743	GC gc;
744	Pixmap root_pmap;
745
746	image_width = gdk_pixbuf_get_width (result);
747	image_height = gdk_pixbuf_get_height (result);
748
749	if (tr_flags)
750	{
751	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
752	bg_pixmap = None;
753	}
754	else
755	{
756	if (bg_flags & BG_TILE)
757	{
758	new_pmap_width = min (image_width, target_width);
759	new_pmap_height = min (image_height, target_height);
760	}
761	}
762
763	if (bg_pixmap == None
764	|| bg_pmap_width != new_pmap_width
765	|| bg_pmap_height != new_pmap_height)
766	{
767	if (bg_pixmap)
768	XFreePixmap (dpy, bg_pixmap);
769	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
770	bg_pmap_width = new_pmap_width;
771	bg_pmap_height = new_pmap_height;
772	}	564	}
773		565
774	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
775	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
776		568
777	if (gc)	569	if (gc)
778	{	570	{
779	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
780	{	572	{
781	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
782	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
783	0, 0,	575	0, 0,
784	0, 0,	576	0, 0,
785	image_width, image_height);	577	image_width, image_height, need_blend);
786		578
787	gcv.tile = tile;	579	gcv.tile = tile;
788	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
789	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
790	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
791	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
792		584
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
795	}	587	}
796	else	588	else
797	{	589	{
798	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
802	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
803		595
804	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
805	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
806	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
807	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
808		600
809	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
810	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
811	src_x, src_y,	603	src_x, src_y,
812	dst_x, dst_y,	604	dst_x, dst_y,
813	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
814	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
815		612
816	#if XRENDER	613	#if XRENDER
817	if (tr_flags)	614	if (need_blend)
818	{	615	{
819	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
823		620
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		622
827	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831	XFreePixmap (dpy, mask_pmap);
832		624
833	XRenderColor mask_c;	625	XRenderColor mask_c;
834		626
835	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
836	mask_c.red = 0;	628	mask_c.red =
837	mask_c.green = 0;	629	mask_c.green =
838	mask_c.blue = 0;	630	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
840	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
841		634
842	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
851	}	644	}
852		645
853	if (result != pixbuf)	646	if (result != pixbuf)
854	g_object_unref (result);	647	g_object_unref (result);
855		648
856	if (tr_flags)	649	if (need_blend)
857	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
858		651
859	return ret;	652	return ret;
860	}	653	}
861	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
862		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
863	bool	703	bool
864	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
865	{	705	{
866	if (!file || !*file)	706	if (!file || !*file)
867	return false;	707	return false;
868		708
869	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
870	{	712	{
871	size_t len = p - file;	713	size_t len = p - file;
872	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
873	memcpy (f, file, len);	715	memcpy (f, file, len);
874	f[len] = '\0';	716	f[len] = '\0';
875	file = f;	717	file = f;
876	}	718	}
877		719
878	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
879	if (!asimman)	721	alpha = 0x8000;
880	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
882	if (image)	724	return ret;
883	{	725	}
884	if (original_asim)	726
885	safe_asimage_destroy (original_asim);	727	bool
886	original_asim = image;	728	rxvt_image::set_file (const char *file)
887	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
888	return true;	730	bool ret = false;
889	}
890	# endif
891		731
892	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894	if (image)	734	if (image)
895	{	735	{
896	if (pixbuf)	736	if (pixbuf)
897	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
898	pixbuf = image;	738	pixbuf = image;
899	bg_flags |= BG_IS_FROM_FILE;
900	return true;	739	ret = true;
901	}	740	}
902	# endif	741	# endif
903		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
904	return false;	746	return ret;
905	}	747	}
906		748
907	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
908		750
909	# ifdef ENABLE_TRANSPARENCY
910	bool	751	bool
911	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
912	{
913	if (!(bg_flags & BG_IS_TRANSPARENT))
914	{
915	bg_flags |= BG_IS_TRANSPARENT;
916	return true;
917	}
918
919	return false;
920	}
921
922	bool
923	rxvt_term::bg_set_blur (const char *geom)
924	{	753	{
925	bool changed = false;	754	bool changed = false;
926	unsigned int hr, vr;	755	unsigned int hr, vr;
927	int junk;	756	int junk;
928	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
945	{	774	{
946	changed = true;	775	changed = true;
947	v_blurRadius = vr;	776	v_blurRadius = vr;
948	}	777	}
949		778
950	if (v_blurRadius == 0 && h_blurRadius == 0)
951	bg_flags &= ~BG_NEEDS_BLUR;
952	else
953	bg_flags |= BG_NEEDS_BLUR;
954
955	return changed;	779	return changed;
956	}	780	}
957		781
958	void
959	rxvt_term::set_tint_shade_flags ()
960	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
962	bool has_shade = shade != 100;
963
964	bg_flags &= ~BG_TINT_FLAGS;
965
966	if (bg_flags & BG_TINT_SET)
967	{
968	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff || c.r >= 0xff00)
971	&& (c.g <= 0x00ff || c.g >= 0xff00)
972	&& (c.b <= 0x00ff || c.b >= 0xff00))
973	bg_flags |= BG_TINT_BITAND;
974	}
975
976	if (has_shade || (bg_flags & BG_TINT_SET))
977	bg_flags |= BG_NEEDS_TINT;
978	}
979
980	bool	782	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
982	{	784	{
983	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
984	{	786	{
985	tint = new_tint;	787	tint = new_tint;
986	bg_flags |= BG_TINT_SET;	788	tint_set = true;
987	set_tint_shade_flags ();	789
988	return true;	790	return true;
989	}	791	}
990		792
991	return false;	793	return false;
992	}	794	}
993		795
994	bool	796	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
996	{	798	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
998		800
999	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	802	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1002		804
1003	if (new_shade != shade)	805	if (new_shade != shade)
1004	{	806	{
1005	shade = new_shade;	807	shade = new_shade;
1006	set_tint_shade_flags ();
1007	return true;	808	return true;
1008	}	809	}
1009		810
1010	return false;	811	return false;
1011	}	812	}
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	834	}
1034	#endif	835	#endif
1035		836
1036	bool	837	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1038	{	839	{
1039	bool ret = false;	840	bool ret = false;
1040	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		848
1045	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1047		852
		853	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1050		858
1051	if (kernel && params)	859	if (kernel && params)
1052	{	860	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		863
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1060	PictOpSrc,	866	PictOpSrc,
1061	src,	867	src,
1062	None,	868	None,
1063	dst,	869	dst,
1064	0, 0,	870	0, 0,
1065	0, 0,	871	0, 0,
1066	0, 0,	872	0, 0,
1067	width, height);	873	width, height);
1068	}
1069		874
1070	if (v_blurRadius)	875	::swap (src, dst);
1071	{	876
1072	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1075		880
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1078	PictOpSrc,	883	PictOpSrc,
1079	src,	884	src,
1080	None,	885	None,
1081	dst,	886	dst,
1082	0, 0,	887	0, 0,
1083	0, 0,	888	0, 0,
1084	0, 0,	889	0, 0,
1085	width, height);	890	width, height);
1086	}
1087		891
1088	ret = true;	892	ret = true;
1089	}	893	}
1090		894
1091	free (kernel);	895	free (kernel);
…		…
1095	#endif	899	#endif
1096	return ret;	900	return ret;
1097	}	901	}
1098		902
1099	bool	903	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1101	{	905	{
1102	bool ret = false;	906	bool ret = false;
1103		907
1104	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1105	{	917	{
1106	XGCValues gcv;	918	XGCValues gcv;
1107	GC gc;	919	GC gc;
1108		920
1109	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	931	ret = true;
1120	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1121	}	933	}
1122	}	934	}
1123	else
1124	{
1125	# if XRENDER	935	# if XRENDER
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1127		937	{
1128	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);
1130
1131	if (shade <= 100)	938	if (shade <= 100)
1132	{	939	{
1133	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1134	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1135	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1139	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1142	}	949	}
1143		950
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		953
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		955
1150	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		957
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		959
1161	XRenderColor mask_c;	960	XRenderColor mask_c;
1162		961
1163	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1164	mask_c.red =	963	mask_c.red =
…		…
1169	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		975
1176	if (shade > 100)	976	if (shade > 100)
1177	{	977	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		983
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	985	}
1184		986
1185	ret = true;	987	ret = true;
1186		988
1187	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1190	# endif	993	# endif
1191	}
1192		994
1193	return ret;	995	return ret;
1194	}	996	}
1195		997
		998	# ifdef ENABLE_TRANSPARENCY
1196	/*	999	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1002	* our window.
1200	*/	1003	*/
1201	unsigned long	1004	bool
1202	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1203	{	1006	{
1204	unsigned long result = 0;	1007	bool ret = false;
1205		1008
1206	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1208	*/	1011	*/
1209	int screen = display->screen;	1012	int screen = display->screen;
…		…
1247	#if XRENDER	1050	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1249	{	1052	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1054
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1057
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1060
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1062
1262	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1282	}	1083	}
1283		1084
1284	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1287		1088
1288	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1094
1294	if (gc)	1095	if (gc)
1295	{	1096	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1298	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if ((bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;
1307	}
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	}
1314	} /* server side rendering completed */
1315	}	1128	}
1316		1129
1317	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1319		1132
1320	return result;	1133	return ret;
1321	}	1134	}
1322		1135
1323	void	1136	void
1324	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1325	{	1138	{
…		…
1329		1142
1330	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1331	}	1144	}
1332	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1333		1146
1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1336	# endif
1337
1338	bool	1147	bool
1339	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1340	{	1149	{
1341	unsigned long tr_flags = 0;
1342
1343	bg_invalidate ();	1150	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1153	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1349	if (tr_flags == 0)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1353	}	1157	}
1354	# endif	1158	# endif
1355		1159
1356	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1358	|| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1162	{
1360	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1361	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1362	}
1363	# endif
1364
1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366	XImage *result = NULL;
1367
1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
1369	{
1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371	}
1372
1373	if (result)
1374	{
1375	/* our own client-side tinting */
1376	if (tr_flags & BG_NEEDS_TINT)
1377	{
1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379	if (bg_flags & BG_TINT_SET)
1380	tint.get (c);
1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382	}
1383
1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386	if (gc)
1387	{
1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390	XFreeGC (dpy, gc);
1391	bg_flags |= BG_IS_VALID;
1392	}
1393
1394	XDestroyImage (result);
1395	}	1165	}
1396	# endif	1166	# endif
1397		1167
1398	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1399	{	1169	{
…		…
1413	}	1183	}
1414		1184
1415	void	1185	void
1416	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1417	{	1187	{
1418	#ifdef ENABLE_TRANSPARENCY
1419	shade = 100;
1420	#endif
1421
1422	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1423	#if XRENDER	1189	#if XRENDER
1424	int major, minor;	1190	int major, minor;
1425	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1426	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1432	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1433		1199
1434	XFree (filters);	1200	XFree (filters);
1435	}	1201	}
1436	#endif	1202	#endif
1437	}
1438		1203
1439	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1440		1211
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
		1226	}
		1227	# endif
		1228
		1229	if (image_vec.size () > 0
		1230	&& !bg_window_position_sensitive ())
		1231	update_background ();
		1232	#endif
		1233	}
		1234
1442	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1443		1236
1444	static void	1237	static inline void
1445	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1446	{	1239	{
		1240	for (int i = 0; i <= mask >> sh; i++)
		1241	{
		1242	uint32_t tmp;
		1243	tmp = i * high;
		1244	tmp += (mask >> sh) * low;
		1245	lookup[i] = (tmp / 0xffff) << sh;
		1246	}
		1247	}
		1248
		1249	void
		1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1251	{
		1252	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	rgba low;	1256	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1258
1455	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1456		1260
1457	/* for convenience */	1261	/* for convenience */
1458	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1461		1265
1462	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1464	{	1268	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1270
1467	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1468	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1469	return;	1276	return;
1470	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1277
		1278	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1471	lookup_r = lookup;	1279	lookup_r = lookup;
1472	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;	1282
1475	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1476	sh_b = 0;	1284
1477	break;	1285	if (tint_set)
1478	case 16:	1286	tint.get (c);
1479	if ((mask_r != 0xf800) ||
1480	(mask_g != 0x07e0) ||
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	case 32:
1505	if ((mask_r != 0xff0000) ||
1506	(mask_g != 0x00ff00) ||
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1287
1521	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1289	if (shade > 100)
1523	{	1290	{
1524	shade = 200 - shade;
1525
1526	high.r = c.r * shade / 100;
1527	high.g = c.g * shade / 100;
1528	high.b = c.b * shade / 100;
1529
1530	low.r = 65535 * (100 - shade) / 100;	1291	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1533	}	1296	}
1534	else	1297	else
1535	{	1298	{
1536	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1539		1302
1540	low.r = low.g = low.b = 0;	1303	low = 0;
1541	}	1304	}
1542		1305
1543	/* fill our lookup tables */	1306	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547	tmp = i * high.r;
1548	tmp += (mask_r>>sh_r) * low.r;
1549	lookup_r[i] = (tmp/65535)<<sh_r;
1550	}
1551	for (i = 0; i <= mask_g>>sh_g; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.g;
1555	tmp += (mask_g>>sh_g) * low.g;
1556	lookup_g[i] = (tmp/65535)<<sh_g;
1557	}
1558	for (i = 0; i <= mask_b>>sh_b; i++)
1559	{
1560	uint32_t tmp;
1561	tmp = i * high.b;
1562	tmp += (mask_b>>sh_b) * low.b;
1563	lookup_b[i] = (tmp/65535)<<sh_b;
1564	}
1565		1310
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 || ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1570	{	1314	{
1571	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1572	p1 = (uint32_t *) ximage->data;
1573	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1574		1316
1575	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1576	{	1318	{
1577	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1578	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1579	for (; p < pl; p++)
1580	{	1321	{
1581	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1582	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1583	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1584	(*p & 0xff000000);	1325	p++;
1585	}	1326	}
1586	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1587	}	1328	}
1588	}	1329	}
1589	else	1330	else
1590	{	1331	{
1591	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1599	}	1340	}
1600	}	1341	}
1601		1342
1602	free (lookup);	1343	free (lookup);
1603	}	1344	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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