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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs.
Revision 1.224 by sf-exg, Wed May 30 19:30:57 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	x = y = centerAlign;
224	geom_flags = XValue|YValue;
225	}
226	else if (!strcasecmp (arr[i], "style=stretched"))
227	{
228	new_flags = 0;
229	w = h = windowScale;
230	geom_flags = WidthValue|HeightValue;
231	}
232	else if (!strcasecmp (arr[i], "style=centered"))
233	{
234	new_flags = 0;
235	w = h = noScale;
236	x = y = centerAlign;
237	geom_flags = WidthValue|HeightValue|XValue|YValue;
238	}
239	else if (!strcasecmp (arr[i], "style=root-tiled"))
240	{
241	new_flags = BG_TILE|BG_ROOT_ALIGN;
242	w = h = noScale;
243	geom_flags = WidthValue|HeightValue;
244	}
245	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
246	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
247	else if (!strcasecmp (arr[i], "op=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
248	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
249	else if (!strcasecmp (arr[i], "op=root"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
250	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
251		221
252	// deprecated	222	// deprecated
253	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
254	{	224	{
255	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
256	w = h = noScale;	226	w = h = noScale;
257	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
258	}	228	}
259	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
260	{	230	{
261	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
262	}	234	}
263	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
264	{	236	{
265	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
266	w = windowScale;	238	w = windowScale;
267	h = noScale;	239	h = noScale;
268	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
269	}	241	}
270	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
271	{	243	{
272	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
273	h = windowScale;	245	h = windowScale;
274	w = noScale;	246	w = noScale;
275	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
276	}	248	}
277	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
285	x = y = centerAlign;	257	x = y = centerAlign;
286	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
287	}	259	}
288	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
289	{	261	{
290	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
291	w = h = noScale;	263	w = h = noScale;
292	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
293	}	265	}
294		266
295	else	267	else
296	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
297	} /* done parsing ops */	269	} /* done parsing ops */
298		270
299	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
300	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
301		275
302	if (!update)	276	if (!update)
303	{	277	{
304	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
305	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
310	w = h = defaultScale;	284	w = h = defaultScale;
311	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
312	h = w;	286	h = w;
313	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
314	w = h;	288	w = h;
315
316	geom_flags |= WidthValue|HeightValue|XValue|YValue;
317	}
318
319	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
320	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
321	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
322	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
323
324	if (new_flags != bg_flags)
325	{	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	{
326	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
327	changed = true;	305	changed = true;
328	}	306	}
329		307
		308	if (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
330	return changed;	315	return changed;
331	}	316	}
332		317
333	void	318	void
334	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
335	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
336	int target_width = szHint.width;	323	int target_width = szHint.width;
337	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
338		327
339	if (bg_flags & BG_PROP_SCALE)	328	w = h_scale * target_width / 100;
		329	h = v_scale * target_height / 100;
		330
		331	if (image.flags & IM_KEEP_ASPECT)
340	{	332	{
341	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
342	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
343	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
344	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
345	}	337	}
346	else
347	{
348	w = h_scale * target_width / 100;
349	h = v_scale * target_height / 100;
350	}
351		338
352	if (!w) w = image_width;	339	if (!w) w = image_width;
353	if (!h) h = image_height;	340	if (!h) h = image_height;
354		341
355	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
356	{	343	{
357	x = -target_x;	344	x = -target_x;
358	y = -target_y;	345	y = -target_y;
359	}	346	}
360	else	347	else
361	{	348	{
362	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
363	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
364	}
365
366	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
367	if (!(bg_flags & BG_TILE)
368	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
369	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
370	|| w > target_width || h > target_height)
371	bg_flags |= BG_IS_SIZE_SENSITIVE;
372	}
373
374	# ifdef HAVE_AFTERIMAGE
375	bool
376	rxvt_term::render_image (unsigned long tr_flags)
377	{
378	init_asv ();
379
380	ASImage *background = NULL;
381	ARGB32 background_tint = TINT_LEAVE_SAME;
382
383	# ifdef ENABLE_TRANSPARENCY
384	if (tr_flags)
385	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
386
387	if (tr_flags & BG_NEEDS_TINT)
388	{	351	}
389	ShadingInfo as_shade;	352	}
390	as_shade.shading = shade;
391		353
392	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
393	if (bg_flags & BG_TINT_SET)	355	bool
394	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
395	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
396	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
397	as_shade.tintColor.blue = c.b;	359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
398		368
399	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
400	}	373	{
401		374	red_mask = 0xff << 16;
402	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
403	{	378	}
404	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
405	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
406	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
407	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
408	{	447	{
409	destroy_asimage (&background);	448	a = pixel[3];
410	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
411	}	470	}
412	}
413	# endif
414		471
415	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
416		498
417	int target_width = szHint.width;	499	int target_width = szHint.width;
418	int target_height = szHint.height;	500	int target_height = szHint.height;
419	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
420	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
422	int x = 0;	504	int x = 0;
423	int y = 0;	505	int y = 0;
424	int w = 0;	506	int w = 0;
425	int h = 0;	507	int h = 0;
426		508
427	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
428	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
429		510
430	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
431	|| (!(bg_flags & BG_ROOT_ALIGN)
432	&& (x >= target_width	512	&& (x >= target_width
433	|| y >= target_height	513	|| y >= target_height
434	|| (x + w <= 0)	514	|| x + w <= 0
435	|| (y + h <= 0))))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
436	{	526	}
437	if (background)
438	{
439	new_pmap_width = background->width;
440	new_pmap_height = background->height;
441	result = background;
442		527
443	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
444	{	549	{
445	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
446	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
447	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
448	if (tmp)
449	result = tmp;
450	}
451	}	552	}
452	else
453	new_pmap_width = new_pmap_height = 0;
454	}
455	else
456	{
457	result = original_asim;
458		553
459	if ((w != original_asim->width)
460	|| (h != original_asim->height))
461	{
462	result = scale_asimage (asv, original_asim,
463	w, h,
464	background ? ASA_ASImage : ASA_XImage,
465	100, ASIMAGE_QUALITY_DEFAULT);
466	}
467
468	if (background == NULL)
469	{
470	if (bg_flags & BG_TILE)
471	{
472	/* if tiling - pixmap has to be sized exactly as the image,
473	but there is no need to make it bigger than the window! */
474	new_pmap_width = min (result->width, target_width);
475	new_pmap_height = min (result->height, target_height);
476
477	/* we also need to tile our image in both directions */
478	ASImage *tmp = tile_asimage (asv, result,
479	(int)result->width - x,
480	(int)result->height - y,
481	new_pmap_width,
482	new_pmap_height,
483	TINT_LEAVE_SAME, ASA_XImage,
484	100, ASIMAGE_QUALITY_DEFAULT);
485	if (tmp)
486	{
487	if (result != original_asim)
488	destroy_asimage (&result);
489
490	result = tmp;
491	}
492	}
493	}
494	else
495	{
496	/* if blending background and image - pixmap has to be sized same as target window */
497	ASImageLayer *layers = create_image_layers (2);
498
499	layers[0].im = background;
500	layers[0].clip_width = target_width;
501	layers[0].clip_height = target_height;
502	layers[0].tint = background_tint;
503	layers[1].im = result;
504
505	if (bg_flags & BG_TILE)
506	{
507	/* tile horizontally */
508	while (x > 0) x -= (int)result->width;
509	layers[1].dst_x = x;
510	layers[1].clip_width = result->width+target_width;
511	}
512	else
513	{
514	/* clip horizontally */
515	layers[1].dst_x = x;
516	layers[1].clip_width = result->width;
517	}
518
519	if (bg_flags & BG_TILE)
520	{
521	while (y > 0) y -= (int)result->height;
522	layers[1].dst_y = y;
523	layers[1].clip_height = result->height + target_height;
524	}
525	else
526	{
527	layers[1].dst_y = y;
528	layers[1].clip_height = result->height;
529	}
530
531	if (rs[Rs_blendtype])
532	{
533	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
534	if (layers[1].merge_scanlines == NULL)
535	layers[1].merge_scanlines = alphablend_scanlines;
536	}
537
538	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
539	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
540
541	if (tmp)
542	{
543	if (result != original_asim)
544	destroy_asimage (&result);
545
546	result = tmp;
547	}
548
549	free (layers);
550	}
551	}
552
553	bool ret = false;
554
555	if (result)
556	{
557	XGCValues gcv;
558	GC gc;
559
560	/* create Pixmap */
561	if (bg_pixmap == None	554	if (bg_pixmap == None
562	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
563	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
564	{	557	{
565	if (bg_pixmap)	558	if (bg_pixmap)
566	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
567	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
568	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
569	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
570	}	563	}
571	/* fill with background color (if result's not completely overlapping it) */
572	gcv.foreground = pix_colors[Color_bg];
573	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
574		564
575	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
576	int dst_width = result->width, dst_height = result->height;
577	if (background == NULL)
578	{
579	if (!(bg_flags & BG_TILE))
580	{
581	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
582	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
583	}
584
585	if (dst_x > 0 || dst_y > 0
586	|| dst_x + dst_width < new_pmap_width
587	|| dst_y + dst_height < new_pmap_height)
588	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
589	}
590
591	/* put result on pixmap */
592	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
593	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
594
595	if (result != background && result != original_asim)
596	destroy_asimage (&result);
597
598	XFreeGC (dpy, gc);
599
600	ret = true;
601	}
602
603	if (background)
604	destroy_asimage (&background);
605
606	return ret;
607	}
608	# endif /* HAVE_AFTERIMAGE */
609
610	# ifdef HAVE_PIXBUF
611	bool
612	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
613	int src_x, int src_y, int dst_x, int dst_y,
614	unsigned int width, unsigned int height)
615	{
616	XImage *ximage;
617	char *data, *line;
618	int bytes_per_pixel;
619	int width_r, width_g, width_b;
620	int sh_r, sh_g, sh_b;
621	int rowstride;
622	int channels;
623	unsigned char *row;
624
625	if (visual->c_class != TrueColor)
626	return false;
627
628	if (depth == 24 || depth == 32)
629	bytes_per_pixel = 4;
630	else if (depth == 15 || depth == 16)
631	bytes_per_pixel = 2;
632	else
633	return false;
634
635	width_r = ecb_popcount32 (visual->red_mask);
636	width_g = ecb_popcount32 (visual->green_mask);
637	width_b = ecb_popcount32 (visual->blue_mask);
638
639	if (width_r > 8 || width_g > 8 || width_b > 8)
640	return false;
641
642	sh_r = ecb_ctz32 (visual->red_mask);
643	sh_g = ecb_ctz32 (visual->green_mask);
644	sh_b = ecb_ctz32 (visual->blue_mask);
645
646	if (width > INT_MAX / height / bytes_per_pixel)
647	return false;
648
649	data = (char *)malloc (width * height * bytes_per_pixel);
650	if (!data)
651	return false;
652
653	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
654	width, height, bytes_per_pixel * 8, 0);
655	if (!ximage)
656	{
657	free (data);
658	return false;
659	}
660
661	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
662
663	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
664	channels = gdk_pixbuf_get_n_channels (pixbuf);
665	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
666	line = data;
667
668	for (int y = 0; y < height; y++)
669	{
670	for (int x = 0; x < width; x++)
671	{
672	unsigned char *pixel = row + x * channels;
673	uint32_t value;
674
675	value = ((pixel[0] >> (8 - width_r)) << sh_r)
676	| ((pixel[1] >> (8 - width_g)) << sh_g)
677	| ((pixel[2] >> (8 - width_b)) << sh_b);
678
679	if (bytes_per_pixel == 4)
680	((uint32_t *)line)[x] = value;
681	else
682	((uint16_t *)line)[x] = value;
683	}
684
685	row += rowstride;
686	line += ximage->bytes_per_line;
687	}
688
689	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
690	XDestroyImage (ximage);
691	return true;
692	}
693
694	bool
695	rxvt_term::render_image (unsigned long tr_flags)
696	{
697	if (!pixbuf)
698	return false;
699
700	if (tr_flags
701	&& !(bg_flags & BG_HAS_RENDER))
702	return false;
703
704	GdkPixbuf *result;
705
706	int image_width = gdk_pixbuf_get_width (pixbuf);
707	int image_height = gdk_pixbuf_get_height (pixbuf);
708
709	int target_width = szHint.width;
710	int target_height = szHint.height;
711	int new_pmap_width = target_width;
712	int new_pmap_height = target_height;
713
714	int x = 0;
715	int y = 0;
716	int w = 0;
717	int h = 0;
718
719	get_image_geometry (image_width, image_height, w, h, x, y);
720
721	if (!(bg_flags & BG_ROOT_ALIGN)
722	&& (x >= target_width
723	|| y >= target_height
724	|| (x + w <= 0)
725	|| (y + h <= 0)))
726	return false;
727
728	result = pixbuf;
729
730	if ((w != image_width)
731	|| (h != image_height))
732	{
733	result = gdk_pixbuf_scale_simple (pixbuf,
734	w, h,
735	GDK_INTERP_BILINEAR);
736	}
737
738	if (!result)
739	return false;
740
741	bool ret = false;
742
743	XGCValues gcv;
744	GC gc;
745	Pixmap root_pmap;
746
747	image_width = gdk_pixbuf_get_width (result);
748	image_height = gdk_pixbuf_get_height (result);
749
750	if (tr_flags)
751	{
752	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
753	bg_pixmap = None;
754	}
755	else
756	{
757	if (bg_flags & BG_TILE)
758	{
759	new_pmap_width = min (image_width, target_width);
760	new_pmap_height = min (image_height, target_height);
761	}
762	}
763
764	if (bg_pixmap == None
765	|| bg_pmap_width != new_pmap_width
766	|| bg_pmap_height != new_pmap_height)
767	{
768	if (bg_pixmap)
769	XFreePixmap (dpy, bg_pixmap);
770	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
771	bg_pmap_width = new_pmap_width;
772	bg_pmap_height = new_pmap_height;
773	}	566	}
774		567
775	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
776	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
777		570
778	if (gc)	571	if (gc)
779	{	572	{
780	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
781	{	574	{
782	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
783	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
784	0, 0,	577	0, 0,
785	0, 0,	578	0, 0,
786	image_width, image_height);	579	image_width, image_height, need_blend);
787		580
788	gcv.tile = tile;	581	gcv.tile = tile;
789	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
790	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
791	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
792	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
793		586
794	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
795	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
796	}	589	}
797	else	590	else
798	{	591	{
799	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
803	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
804		597
805	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
806	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
807	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
808	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
809		602
810	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
811	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
812	src_x, src_y,	605	src_x, src_y,
813	dst_x, dst_y,	606	dst_x, dst_y,
814	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
815	}	608	}
816		609
817	#if XRENDER	610	#if XRENDER
818	if (tr_flags)	611	if (need_blend)
819	{	612	{
820	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
821
822	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
823	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
824		617
825	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
826	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
827		619
828	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
829	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
830	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
831	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
832	XFreePixmap (dpy, mask_pmap);
833		621
834	XRenderColor mask_c;	622	XRenderColor mask_c;
835		623
836	mask_c.alpha = 0x8000;	624	mask_c.alpha = image.alpha;
837	mask_c.red = 0;	625	mask_c.red =
838	mask_c.green = 0;	626	mask_c.green =
839	mask_c.blue = 0;	627	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		631
843	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
852	}	641	}
853		642
854	if (result != pixbuf)	643	if (result != pixbuf)
855	g_object_unref (result);	644	g_object_unref (result);
856		645
857	if (tr_flags)	646	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
859		648
860	return ret;	649	return ret;
861	}	650	}
862	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
863		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	if (image_vec.size () < id + 1)
		680	image_vec.resize (id + 1);
		681
		682	rxvt_image *image = &image_vec[id];
		683	}
		684	# endif
		685
		686	rxvt_image::rxvt_image ()
		687	{
		688	alpha = 0xffff;
		689	flags = 0;
		690	h_scale =
		691	v_scale = defaultScale;
		692	h_align =
		693	v_align = defaultAlign;
		694
		695	# ifdef HAVE_PIXBUF
		696	pixbuf = 0;
		697	# endif
		698	}
		699
864	bool	700	bool
865	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
866	{	702	{
867	if (!file || !*file)	703	if (!file || !*file)
868	return false;	704	return false;
869		705
870	if (const char *p = strchr (file, ';'))	706	const char *p = strchr (file, ';');
		707
		708	if (p)
871	{	709	{
872	size_t len = p - file;	710	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	711	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	712	memcpy (f, file, len);
875	f[len] = '\0';	713	f[len] = '\0';
876	file = f;	714	file = f;
877	}	715	}
878		716
879	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
880	if (!asimman)	718	alpha = 0x8000;
881	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret)
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p ? p + 1 : "");
883	if (image)	721	return ret;
884	{	722	}
885	if (original_asim)	723
886	safe_asimage_destroy (original_asim);	724	bool
887	original_asim = image;	725	rxvt_image::set_file (const char *file)
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
889	return true;	727	bool ret = false;
890	}
891	# endif
892		728
893	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	731	if (image)
896	{	732	{
897	if (pixbuf)	733	if (pixbuf)
898	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
899	pixbuf = image;	735	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	736	ret = true;
902	}	737	}
903	# endif	738	# endif
904		739
		740	if (ret)
		741	flags |= IM_IS_SET;
		742
905	return false;	743	return ret;
906	}	744	}
907		745
908	# endif /* BG_IMAGE_FROM_FILE */	746	# endif /* BG_IMAGE_FROM_FILE */
909		747
910	# ifdef ENABLE_TRANSPARENCY	748	# ifdef ENABLE_TRANSPARENCY
911	bool
912	rxvt_term::bg_set_transparent ()
913	{
914	if (!(bg_flags & BG_IS_TRANSPARENT))
915	{
916	bg_flags |= BG_IS_TRANSPARENT;
917	return true;
918	}
919
920	return false;
921	}
922
923	bool	749	bool
924	rxvt_term::bg_set_blur (const char *geom)	750	rxvt_term::bg_set_blur (const char *geom)
925	{	751	{
926	bool changed = false;	752	bool changed = false;
927	unsigned int hr, vr;	753	unsigned int hr, vr;
…		…
946	{	772	{
947	changed = true;	773	changed = true;
948	v_blurRadius = vr;	774	v_blurRadius = vr;
949	}	775	}
950		776
951	if (v_blurRadius == 0 && h_blurRadius == 0)
952	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955
956	return changed;	777	return changed;
957	}	778	}
958		779
959	void	780	bool
960	rxvt_term::set_tint_shade_flags ()	781	rxvt_term::bg_set_tint (rxvt_color &new_tint)
961	{	782	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	783	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
963	bool has_shade = shade != 100;	784	{
964		785	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	786	bg_flags |= BG_TINT_SET;
966		787
967	if (bg_flags & BG_TINT_SET)	788	rgba c;
968	{
969	tint.get (c);	789	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)	790	if ((c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)	791	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))	792	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;	793	bg_flags |= BG_TINT_BITAND;
975	}	794	else
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
983	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
985	{
986	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	795	bg_flags &= ~BG_TINT_BITAND;
988	set_tint_shade_flags ();	796
989	return true;	797	return true;
990	}	798	}
991		799
992	return false;	800	return false;
993	}	801	}
994		802
995	bool	803	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	804	rxvt_term::bg_set_shade (const char *shade_str)
997	{	805	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	806	int new_shade = atoi (shade_str);
999		807
1000	clamp_it (new_shade, -100, 200);	808	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	809	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	810	new_shade = 200 - (100 + new_shade);
1003		811
1004	if (new_shade != shade)	812	if (new_shade != shade)
1005	{	813	{
1006	shade = new_shade;	814	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	815	return true;
1009	}	816	}
1010		817
1011	return false;	818	return false;
1012	}	819	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	840	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	841	}
1035	#endif	842	#endif
1036		843
1037	bool	844	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	845	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1039	{	846	{
1040	bool ret = false;	847	bool ret = false;
1041	#if XRENDER	848	#if XRENDER
		849	if (!(bg_flags & BG_HAS_RENDER_CONV))
		850	return false;
		851
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	852	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	853	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	854	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		855
1046	XRenderPictureAttributes pa;	856	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	857	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		858
		859	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	860	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		861	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	862	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		863	XFreePixmap (dpy, tmp);
1051		864
1052	if (kernel && params)	865	if (kernel && params)
1053	{	866	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	867	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	868	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		869
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	870	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	871	XRenderComposite (dpy,
1061	PictOpSrc,	872	PictOpSrc,
1062	src,	873	src,
1063	None,	874	None,
1064	dst,	875	dst,
1065	0, 0,	876	0, 0,
1066	0, 0,	877	0, 0,
1067	0, 0,	878	0, 0,
1068	width, height);	879	width, height);
1069	}
1070		880
1071	if (v_blurRadius)	881	::swap (src, dst);
1072	{	882
1073	size = v_blurRadius * 2 + 1;	883	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	884	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	885	::swap (params[0], params[1]);
1076		886
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	887	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	888	XRenderComposite (dpy,
1079	PictOpSrc,	889	PictOpSrc,
1080	src,	890	src,
1081	None,	891	None,
1082	dst,	892	dst,
1083	0, 0,	893	0, 0,
1084	0, 0,	894	0, 0,
1085	0, 0,	895	0, 0,
1086	width, height);	896	width, height);
1087	}
1088		897
1089	ret = true;	898	ret = true;
1090	}	899	}
1091		900
1092	free (kernel);	901	free (kernel);
…		…
1096	#endif	905	#endif
1097	return ret;	906	return ret;
1098	}	907	}
1099		908
1100	bool	909	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	910	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1102	{	911	{
1103	bool ret = false;	912	bool ret = false;
1104		913
1105	if (bg_flags & BG_TINT_BITAND)	914	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	915	{
1107	XGCValues gcv;	916	XGCValues gcv;
1108	GC gc;	917	GC gc;
1109		918
1110	/* In this case we can tint image server-side getting significant	919	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	928	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	929	ret = true;
1121	XFreeGC (dpy, gc);	930	XFreeGC (dpy, gc);
1122	}	931	}
1123	}	932	}
1124	else
1125	{
1126	# if XRENDER	933	# if XRENDER
		934	else if (bg_flags & BG_HAS_RENDER)
		935	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		937
1129	if (bg_flags & BG_TINT_SET)	938	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	939	tint.get (c);
1131		940
…		…
1140	c.r = c.r * (200 - shade) / 100;	949	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	950	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	951	c.b = c.b * (200 - shade) / 100;
1143	}	952	}
1144		953
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	954	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		955
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	956	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		957
1151	pa.repeat = True;	958	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		959
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	960	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161		961
1162	XRenderColor mask_c;	962	XRenderColor mask_c;
1163		963
1164	mask_c.alpha = 0xffff;	964	mask_c.alpha = 0xffff;
1165	mask_c.red =	965	mask_c.red =
…		…
1170	mask_c.alpha = 0;	970	mask_c.alpha = 0;
1171	mask_c.red = 0xffff - c.r;	971	mask_c.red = 0xffff - c.r;
1172	mask_c.green = 0xffff - c.g;	972	mask_c.green = 0xffff - c.g;
1173	mask_c.blue = 0xffff - c.b;	973	mask_c.blue = 0xffff - c.b;
1174	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	974	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		975
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	976	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176		977
1177	if (shade > 100)	978	if (shade > 100)
1178	{	979	{
1179	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1180	mask_c.alpha = 0;	980	mask_c.alpha = 0;
		981	mask_c.red =
		982	mask_c.green =
		983	mask_c.blue = 0xffff * (shade - 100) / 100;
1181	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	984	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1182		985
1183	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	986	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1184	}	987	}
1185		988
1186	ret = true;	989	ret = true;
1187		990
1188	XRenderFreePicture (dpy, mask_pic);	991	XRenderFreePicture (dpy, mask_pic);
1189	XRenderFreePicture (dpy, overlay_pic);	992	XRenderFreePicture (dpy, overlay_pic);
1190	XRenderFreePicture (dpy, back_pic);	993	XRenderFreePicture (dpy, back_pic);
		994	}
1191	# endif	995	# endif
1192	}
1193		996
1194	return ret;	997	return ret;
1195	}	998	}
1196		999
1197	/*	1000	/*
1198	* Builds a pixmap of the same size as the terminal window that contains	1001	* Builds a pixmap of the same size as the terminal window that contains
1199	* the tiled portion of the root pixmap that is supposed to be covered by	1002	* the tiled portion of the root pixmap that is supposed to be covered by
1200	* our window.	1003	* our window.
1201	*/	1004	*/
1202	unsigned long	1005	bool
1203	rxvt_term::make_transparency_pixmap ()	1006	rxvt_term::make_transparency_pixmap ()
1204	{	1007	{
1205	unsigned long result = 0;	1008	bool ret = false;
1206		1009
1207	/* root dimensions may change from call to call - but Display structure should	1010	/* root dimensions may change from call to call - but Display structure should
1208	* be always up-to-date, so let's use it :	1011	* be always up-to-date, so let's use it :
1209	*/	1012	*/
1210	int screen = display->screen;	1013	int screen = display->screen;
…		…
1248	#if XRENDER	1051	#if XRENDER
1249	if (bg_flags & BG_HAS_RENDER)	1052	if (bg_flags & BG_HAS_RENDER)
1250	{	1053	{
1251	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1054	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1252		1055
1253	XRenderPictureAttributes pa;
1254
1255	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1056	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1256	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1057	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1257		1058
1258	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1059	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1259	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1060	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1260		1061
1261	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1062	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1262		1063
1263	XRenderFreePicture (dpy, src);	1064	XRenderFreePicture (dpy, src);
1264	XRenderFreePicture (dpy, dst);	1065	XRenderFreePicture (dpy, dst);
…		…
1281	bg_pmap_width = window_width;	1082	bg_pmap_width = window_width;
1282	bg_pmap_height = window_height;	1083	bg_pmap_height = window_height;
1283	}	1084	}
1284		1085
1285	/* straightforward pixmap copy */	1086	/* straightforward pixmap copy */
1286	while (sx < 0) sx += root_width;	1087	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += root_height;	1088	while (sy < 0) sy += root_pmap_height;
1288		1089
1289	gcv.tile = recoded_root_pmap;	1090	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1091	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1092	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1093	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1094	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1095
1295	if (gc)	1096	if (gc)
1296	{	1097	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1098	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1099	ret = true;
1299	XFreeGC (dpy, gc);	1100	bool need_blur = h_blurRadius && v_blurRadius;
		1101	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1300		1102
1301	if (!(bg_flags & BG_CLIENT_RENDER))	1103	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{	1104	{
1303	if ((bg_flags & BG_NEEDS_BLUR)	1105	if (need_blur)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{	1106	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1107	if (blur_pixmap (bg_pixmap, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;	1108	need_blur = false;
1308	}	1109	}
1309	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{	1111	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;	1113	need_tint = false;
		1114	}
		1115	if (need_tint)
		1116	{
		1117	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1118	if (ximage)
		1119	{
		1120	/* our own client-side tinting */
		1121	tint_ximage (ximage);
		1122
		1123	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1124	XDestroyImage (ximage);
		1125	}
1314	}	1126	}
1315	} /* server side rendering completed */	1127	} /* server side rendering completed */
		1128
		1129	XFreeGC (dpy, gc);
1316	}	1130	}
1317		1131
1318	if (recoded_root_pmap != root_pixmap)	1132	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1133	XFreePixmap (dpy, recoded_root_pmap);
1320		1134
1321	return result;	1135	return ret;
1322	}	1136	}
1323		1137
1324	void	1138	void
1325	rxvt_term::bg_set_root_pixmap ()	1139	rxvt_term::bg_set_root_pixmap ()
1326	{	1140	{
…		…
1330		1144
1331	root_pixmap = new_root_pixmap;	1145	root_pixmap = new_root_pixmap;
1332	}	1146	}
1333	# endif /* ENABLE_TRANSPARENCY */	1147	# endif /* ENABLE_TRANSPARENCY */
1334		1148
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1149	bool
1340	rxvt_term::bg_render ()	1150	rxvt_term::bg_render ()
1341	{	1151	{
1342	unsigned long tr_flags = 0;
1343
1344	bg_invalidate ();	1152	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1153	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1154	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1155	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1156	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1157	if (make_transparency_pixmap ())
1350	if (tr_flags == 0)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1158	bg_flags |= BG_IS_VALID;
1354	}	1159	}
1355	# endif	1160	# endif
1356		1161
1357	# ifdef BG_IMAGE_FROM_FILE	1162	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1163	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1164	{
1361	if (render_image (tr_flags))	1165	if (render_image (*bg_image))
1362	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1167	}
1397	# endif	1168	# endif
1398		1169
1399	if (!(bg_flags & BG_IS_VALID))	1170	if (!(bg_flags & BG_IS_VALID))
1400	{	1171	{
…		…
1433	bg_flags |= BG_HAS_RENDER_CONV;	1204	bg_flags |= BG_HAS_RENDER_CONV;
1434		1205
1435	XFree (filters);	1206	XFree (filters);
1436	}	1207	}
1437	#endif	1208	#endif
		1209
		1210	#ifdef BG_IMAGE_FROM_FILE
		1211	if (rs[Rs_backgroundPixmap])
		1212	{
		1213	rxvt_image *image = new_image ();
		1214	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1215	image_vec.pop_back ();
		1216	}
		1217
		1218	# ifndef NO_RESOURCES
		1219	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1220	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1221	while (bg_image != image_vec.end ())
		1222	{
		1223	if (!(bg_image->flags & IM_IS_SET))
		1224	bg_image = image_vec.erase (bg_image);
		1225	else
		1226	bg_image++;
		1227	}
		1228	# endif
		1229
		1230	if (image_vec.size () > 0
		1231	&& !bg_window_position_sensitive ())
		1232	update_background ();
		1233	#endif
1438	}	1234	}
1439		1235
1440	#endif /* HAVE_BG_PIXMAP */	1236	#endif /* HAVE_BG_PIXMAP */
1441		1237
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1238	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1239	/* based on code from aterm-0.4.2 */
1444		1240
1445	static void	1241	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1242	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1243	{
		1244	for (int i = 0; i <= mask >> sh; i++)
		1245	{
		1246	uint32_t tmp;
		1247	tmp = i * high;
		1248	tmp += (mask >> sh) * low;
		1249	lookup[i] = (tmp / 0xffff) << sh;
		1250	}
		1251	}
		1252
		1253	void
		1254	rxvt_term::tint_ximage (XImage *ximage)
		1255	{
		1256	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1257	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1258	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1259	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1260	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1261	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1262
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1263	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1264
1458	/* for convenience */	1265	/* for convenience */
1459	mask_r = visual->red_mask;	1266	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1267	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1268	mask_b = visual->blue_mask;
1462		1269
1463	/* boring lookup table pre-initialization */	1270	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1271	sh_r = ecb_ctz32 (mask_r);
1465	{	1272	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1273	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1274
1468	(mask_g != 0x03e0) ||	1275	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1276	size_g = mask_g >> sh_g;
		1277	size_b = mask_b >> sh_b;
		1278
		1279	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1280	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1281
		1282	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1283	lookup_r = lookup;
1473	lookup_g = lookup+32;	1284	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1285	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1286
1476	sh_g = 5;	1287	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1288
1478	break;	1289	if (bg_flags & BG_TINT_SET)
1479	case 16:	1290	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1291
1522	/* prepare limits for color transformation (each channel is handled separately) */	1292	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1293	if (shade > 100)
1524	{	1294	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1295	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1296	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1297	c.b = c.b * (200 - shade) / 100;
		1298
		1299	low = 0xffff * (shade - 100) / 100;
1534	}	1300	}
1535	else	1301	else
1536	{	1302	{
1537	high.r = c.r * shade / 100;	1303	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1304	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1305	c.b = c.b * shade / 100;
1540		1306
1541	low.r = low.g = low.b = 0;	1307	low = 0;
1542	}	1308	}
1543		1309
1544	/* fill our lookup tables */	1310	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1311	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1312	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1313	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1314
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1315	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1316	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1317	&& ximage->byte_order == host_byte_order)
1571	{	1318	{
1572	uint32_t *p1, *pf, *p, *pl;	1319	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1320
1576	while (p1 < pf)	1321	for (int y = 0; y < ximage->height; y++)
1577	{	1322	{
1578	p = p1;	1323	uint32_t *p = (uint32_t *)line;
1579	pl = p1 + ximage->width;	1324	for (int x = 0; x < ximage->width; x++)
1580	for (; p < pl; p++)
1581	{	1325	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1326	*p = lookup_r[(*p & mask_r) >> sh_r] |
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1327	lookup_g[(*p & mask_g) >> sh_g] |
1584	lookup_b[(*p & 0x0000ff)] |	1328	lookup_b[(*p & mask_b) >> sh_b];
1585	(*p & 0xff000000);	1329	p++;
1586	}	1330	}
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1331	line += ximage->bytes_per_line;
1588	}	1332	}
1589	}	1333	}
1590	else	1334	else
1591	{	1335	{
1592	for (int y = 0; y < ximage->height; y++)	1336	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1344	}
1601	}	1345	}
1602		1346
1603	free (lookup);	1347	free (lookup);
1604	}	1348	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1349	#endif /* ENABLE_TRANSPARENCY */

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