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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 1.220 by sf-exg, Fri May 25 08:27:47 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
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF
67	if (pixbuf)
68	g_object_unref (pixbuf);
69	#endif
70
71	if (bg_pixmap)	63	if (bg_pixmap)
72	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
73	}	65	}
74		66
75	bool	67	bool
…		…
93	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
94	return true;	86	return true;
95	# endif	87	# endif
96		88
97	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
98	if (bg_flags & BG_IS_FROM_FILE)	90	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
99	{	91	{
100	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image->width () > szHint.width
		94	|| bg_image->height () > szHint.height)
101	return true;	95	return true;
102	}	96	}
103	# endif	97	# endif
104		98
105	return false;	99	return false;
…		…
112	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
113	return true;	107	return true;
114	# endif	108	# endif
115		109
116	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
117	if (bg_flags & BG_IS_FROM_FILE)	111	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
118	{	112	{
119	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image->flags & IM_ROOT_ALIGN)
120	return true;	114	return true;
121	}	115	}
122	# endif	116	# endif
123		117
124	return false;	118	return false;
125	}	119	}
126		120
127	# ifdef BG_IMAGE_FROM_FILE	121	# 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	122	static inline int
163	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
164	{	124	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
169	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	127	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	129	else
173	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	131	}
176		132
177	static inline int	133	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	135	{
…		…
185	src_pos = -pos;	141	src_pos = -pos;
186	dst_pos = 0;	142	dst_pos = 0;
187	dst_size += pos;	143	dst_size += pos;
188	}	144	}
189		145
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	147	return src_pos;
193	}	148	}
194		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
195	bool	185	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
197	{	187	{
198	bool changed = false;	188	bool changed = false;
199	int geom_flags = 0;	189	int geom_flags = 0;
200	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
201	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	193	unsigned int h = v_scale;
		194	uint8_t new_flags = 0;
203		195
204	if (geom == NULL)	196	if (geom == NULL)
205	return false;	197	return false;
206		198
207	if (geom[0])	199	if (geom[0])
208	{	200	{
209	char **arr = rxvt_strsplit (':', geom);	201	char **arr = rxvt_strsplit (':', geom);
210		202
211	for (int i = 0; arr[i]; i++)	203	for (int i = 0; arr[i]; i++)
212	{	204	{
213	if (!strcasecmp (arr[i], "style=tiled"))	205	if (!strncasecmp (arr[i], "style=", 6))
214	{	206	{
215	new_flags = BG_TILE;	207	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;	208	geom_flags = WidthValue|HeightValue|XValue|YValue;
219	}	209	}
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"))	210	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags |= BG_TILE;	211	new_flags |= IM_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags |= BG_PROP_SCALE;	213	new_flags |= IM_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	214	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags |= BG_ROOT_ALIGN;	215	new_flags |= IM_ROOT_ALIGN;
252		216
253	// deprecated	217	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	218	else if (!strcasecmp (arr[i], "tile"))
255	{	219	{
256	new_flags |= BG_TILE;	220	new_flags |= IM_TILE;
257	w = h = noScale;	221	w = h = noScale;
258	geom_flags |= WidthValue|HeightValue;	222	geom_flags |= WidthValue|HeightValue;
259	}	223	}
260	else if (!strcasecmp (arr[i], "propscale"))	224	else if (!strcasecmp (arr[i], "propscale"))
261	{	225	{
262	new_flags |= BG_PROP_SCALE;	226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
263	}	229	}
264	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
265	{	231	{
266	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
267	w = windowScale;	233	w = windowScale;
268	h = noScale;	234	h = noScale;
269	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
270	}	236	}
271	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
272	{	238	{
273	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
274	h = windowScale;	240	h = windowScale;
275	w = noScale;	241	w = noScale;
276	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
277	}	243	}
278	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
286	x = y = centerAlign;	252	x = y = centerAlign;
287	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
288	}	254	}
289	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
290	{	256	{
291	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
292	w = h = noScale;	258	w = h = noScale;
293	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
294	}	260	}
295		261
296	else	262	else
297	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	264	} /* done parsing ops */
299		265
300	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
301	}	267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
302		270
303	if (!update)	271	if (!update)
304	{	272	{
305	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	279	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
313	h = w;	281	h = w;
314	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
315	w = h;	283	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	{	284	}
		285
		286	clamp_it (x, -100, 200);
		287	clamp_it (y, -100, 200);
		288
		289	if (flags != new_flags
		290	|| h_scale != w
		291	|| v_scale != h
		292	|| h_align != x
		293	|| v_align != y)
		294	{
327	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
328	changed = true;	300	changed = true;
329	}	301	}
330		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
331	return changed;	310	return changed;
332	}	311	}
333		312
334	void	313	void
335	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
336	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
337	int target_width = szHint.width;	318	int target_width = szHint.width;
338	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
339		322
340	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
342		325
343	if (bg_flags & BG_PROP_SCALE)	326	if (image.flags & IM_KEEP_ASPECT)
344	{	327	{
345	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
349	}	332	}
350		333
351	if (!w) w = image_width;	334	if (!w) w = image_width;
352	if (!h) h = image_height;	335	if (!h) h = image_height;
353		336
354	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
355	{	338	{
356	x = -target_x;	339	x = -target_x;
357	y = -target_y;	340	y = -target_y;
358	}	341	}
359	else	342	else
360	{	343	{
361	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	345	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	{	346	}
388	ShadingInfo as_shade;	347	}
389	as_shade.shading = shade;
390		348
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
392	if (bg_flags & BG_TINT_SET)	350	bool
393	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
394	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
395	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
396	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
397		363
398	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
399	}	368	{
400		369	red_mask = 0xff << 16;
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
402	{	373	}
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
404	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	375	{
405	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
406	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
407	{	442	{
408	destroy_asimage (&background);	443	a = pixel[3];
409	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
410	}	465	}
411	}
412	# endif
413		466
414	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
415		493
416	int target_width = szHint.width;	494	int target_width = szHint.width;
417	int target_height = szHint.height;	495	int target_height = szHint.height;
418	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
421	int x = 0;	499	int x = 0;
422	int y = 0;	500	int y = 0;
423	int w = 0;	501	int w = 0;
424	int h = 0;	502	int h = 0;
425		503
426	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428		505
429	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
430	|| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width	507	&& (x >= target_width
432	|| y >= target_height	508	|| y >= target_height
433	|| (x + w <= 0)	509	|| x + w <= 0
434	|| (y + h <= 0))))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
435	{	521	}
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441		522
442	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	// optimise bg pixmap size when tiling, but only if there are no
		540	// other pixbufs to render. Otherwise, the bg pixmap size must
		541	// be equal to the window size.
		542	if ((image.flags & IM_TILE)
		543	&& image_vec.size () == 1)
443	{	544	{
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,	545	new_pmap_width = min (image_width, target_width);
445	target_width, target_height, background_tint,	546	new_pmap_height = min (image_height, target_height);
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}	547	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}
454	else
455	{
456	result = original_asim;
457		548
458	if ((w != original_asim->width)
459	|| (h != original_asim->height))
460	{
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}
466
467	if (background == NULL)
468	{
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
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	549	if (bg_pixmap == None
561	|| bg_pmap_width != new_pmap_width	550	|| bg_pmap_width != new_pmap_width
562	|| bg_pmap_height != new_pmap_height)	551	|| bg_pmap_height != new_pmap_height)
563	{	552	{
564	if (bg_pixmap)	553	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);	554	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	555	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;	556	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;	557	bg_pmap_height = new_pmap_height;
569	}	558	}
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		559
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;	560	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	}	561	}
773		562
774	gcv.foreground = pix_colors[Color_bg];	563	gcv.foreground = pix_colors[Color_bg];
775	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	564	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
776		565
777	if (gc)	566	if (gc)
778	{	567	{
779	if (bg_flags & BG_TILE)	568	if (image.flags & IM_TILE)
780	{	569	{
781	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	570	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
782	pixbuf_to_pixmap (result, tile, gc,	571	pixbuf_to_pixmap (result, tile, gc,
783	0, 0,	572	0, 0,
784	0, 0,	573	0, 0,
785	image_width, image_height);	574	image_width, image_height, need_blend);
786		575
787	gcv.tile = tile;	576	gcv.tile = tile;
788	gcv.fill_style = FillTiled;	577	gcv.fill_style = FillTiled;
789	gcv.ts_x_origin = x;	578	gcv.ts_x_origin = x;
790	gcv.ts_y_origin = y;	579	gcv.ts_y_origin = y;
791	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	580	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
792		581
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	582	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794	XFreePixmap (dpy, tile);	583	XFreePixmap (dpy, tile);
795	}	584	}
796	else	585	else
797	{	586	{
798	int src_x, src_y, dst_x, dst_y;	587	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);	591	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
803		592
804	if (dst_x > 0 || dst_y > 0	593	if (dst_x > 0 || dst_y > 0
805	|| dst_x + dst_width < new_pmap_width	594	|| dst_x + dst_width < new_pmap_width
806	|| dst_y + dst_height < new_pmap_height)	595	|| dst_y + dst_height < new_pmap_height)
807	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	596	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
808		597
809	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	598	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
810	pixbuf_to_pixmap (result, bg_pixmap, gc,	599	pixbuf_to_pixmap (result, tmp_pixmap, gc,
811	src_x, src_y,	600	src_x, src_y,
812	dst_x, dst_y,	601	dst_x, dst_y,
813	dst_width, dst_height);	602	dst_width, dst_height, need_blend);
814	}	603	}
815		604
816	#if XRENDER	605	#if XRENDER
817	if (tr_flags)	606	if (need_blend)
818	{	607	{
819	XRenderPictureAttributes pa;	608	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	609	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		610
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	611	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
823		612
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	613	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		614
827	pa.repeat = True;	615	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		616
833	XRenderColor mask_c;	617	XRenderColor mask_c;
834		618
835	mask_c.alpha = 0x8000;	619	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
836	mask_c.red = 0;	620	mask_c.red =
837	mask_c.green = 0;	621	mask_c.green =
838	mask_c.blue = 0;	622	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	623	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		624
840	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	625	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
841		626
842	XRenderFreePicture (dpy, src);	627	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	628	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	629	XRenderFreePicture (dpy, mask);
…		…
851	}	636	}
852		637
853	if (result != pixbuf)	638	if (result != pixbuf)
854	g_object_unref (result);	639	g_object_unref (result);
855		640
856	if (tr_flags)	641	if (need_blend)
857	XFreePixmap (dpy, root_pmap);	642	XFreePixmap (dpy, tmp_pixmap);
858		643
859	return ret;	644	return ret;
860	}	645	}
861	# endif /* HAVE_PIXBUF */	646	# endif /* HAVE_PIXBUF */
862		647
		648	# ifndef NO_RESOURCES
		649	static int
		650	rxvt_define_image (XrmDatabase *database ecb_unused,
		651	XrmBindingList bindings ecb_unused,
		652	XrmQuarkList quarks,
		653	XrmRepresentation *type ecb_unused,
		654	XrmValue *value,
		655	XPointer closure ecb_unused)
		656	{
		657	int size;
		658
		659	for (size = 0; quarks[size] != NULLQUARK; size++)
		660	;
		661
		662	if (size >= 2)
		663	{
		664	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		665	if (id >= 1)
		666	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		667	}
		668	return False;
		669	}
		670
		671	void
		672	rxvt_term::parse_image (int id, const char *type, const char *arg)
		673	{
		674	rxvt_image *image;
		675
		676	for (image = image_vec.begin (); image < image_vec.end (); image++)
		677	if (image->id == id)
		678	break;
		679
		680	if (image == image_vec.end ())
		681	{
		682	image = new_image ();
		683	image->id = id;
		684	}
		685	}
		686	# endif
		687
		688	rxvt_image::rxvt_image ()
		689	{
		690	id =
		691	alpha =
		692	flags =
		693	h_scale =
		694	v_scale =
		695	h_align =
		696	v_align = 0;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf.reset (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 && p)
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (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.reset (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	{
		745	alpha = 0xffff;
		746	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		747	h_scale = v_scale = defaultScale;
		748	h_align = v_align = defaultAlign;
		749	}
		750
904	return false;	751	return ret;
905	}	752	}
906		753
907	# endif /* BG_IMAGE_FROM_FILE */	754	# endif /* BG_IMAGE_FROM_FILE */
908		755
909	# ifdef ENABLE_TRANSPARENCY	756	# ifdef ENABLE_TRANSPARENCY
910	bool
911	rxvt_term::bg_set_transparent ()
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	757	bool
923	rxvt_term::bg_set_blur (const char *geom)	758	rxvt_term::bg_set_blur (const char *geom)
924	{	759	{
925	bool changed = false;	760	bool changed = false;
926	unsigned int hr, vr;	761	unsigned int hr, vr;
…		…
945	{	780	{
946	changed = true;	781	changed = true;
947	v_blurRadius = vr;	782	v_blurRadius = vr;
948	}	783	}
949		784
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;	785	return changed;
956	}	786	}
957		787
958	void	788	bool
959	rxvt_term::set_tint_shade_flags ()	789	rxvt_term::bg_set_tint (rxvt_color &new_tint)
960	{	790	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	791	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
962	bool has_shade = shade != 100;	792	{
963		793	tint = new_tint;
964	bg_flags &= ~BG_TINT_FLAGS;	794	bg_flags |= BG_TINT_SET;
965		795
966	if (bg_flags & BG_TINT_SET)	796	rgba c;
967	{
968	tint.get (c);	797	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff || c.r >= 0xff00)	798	if ((c.r <= 0x00ff || c.r >= 0xff00)
971	&& (c.g <= 0x00ff || c.g >= 0xff00)	799	&& (c.g <= 0x00ff || c.g >= 0xff00)
972	&& (c.b <= 0x00ff || c.b >= 0xff00))	800	&& (c.b <= 0x00ff || c.b >= 0xff00))
973	bg_flags |= BG_TINT_BITAND;	801	bg_flags |= BG_TINT_BITAND;
974	}	802	else
975
976	if (has_shade || (bg_flags & BG_TINT_SET))
977	bg_flags |= BG_NEEDS_TINT;
978	}
979
980	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
982	{
983	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
984	{
985	tint = new_tint;
986	bg_flags |= BG_TINT_SET;	803	bg_flags &= ~BG_TINT_BITAND;
987	set_tint_shade_flags ();	804
988	return true;	805	return true;
989	}	806	}
990		807
991	return false;	808	return false;
992	}	809	}
993		810
994	bool	811	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	812	rxvt_term::bg_set_shade (const char *shade_str)
996	{	813	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	814	int new_shade = atoi (shade_str);
998		815
999	clamp_it (new_shade, -100, 200);	816	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	817	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	818	new_shade = 200 - (100 + new_shade);
1002		819
1003	if (new_shade != shade)	820	if (new_shade != shade)
1004	{	821	{
1005	shade = new_shade;	822	shade = new_shade;
1006	set_tint_shade_flags ();
1007	return true;	823	return true;
1008	}	824	}
1009		825
1010	return false;	826	return false;
1011	}	827	}
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	848	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	849	}
1034	#endif	850	#endif
1035		851
1036	bool	852	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	853	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1038	{	854	{
1039	bool ret = false;	855	bool ret = false;
1040	#if XRENDER	856	#if XRENDER
		857	if (!(bg_flags & BG_HAS_RENDER_CONV))
		858	return false;
		859
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	860	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	861	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	862	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		863
1045	XRenderPictureAttributes pa;	864	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	865	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		866
		867	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	868	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		869	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	870	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		871	XFreePixmap (dpy, tmp);
1050		872
1051	if (kernel && params)	873	if (kernel && params)
1052	{	874	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	875	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	876	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		877
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	878	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	879	XRenderComposite (dpy,
1060	PictOpSrc,	880	PictOpSrc,
1061	src,	881	src,
1062	None,	882	None,
1063	dst,	883	dst,
1064	0, 0,	884	0, 0,
1065	0, 0,	885	0, 0,
1066	0, 0,	886	0, 0,
1067	width, height);	887	width, height);
1068	}
1069		888
1070	if (v_blurRadius)	889	::swap (src, dst);
1071	{	890
1072	size = v_blurRadius * 2 + 1;	891	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	892	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	893	::swap (params[0], params[1]);
1075		894
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	895	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	896	XRenderComposite (dpy,
1078	PictOpSrc,	897	PictOpSrc,
1079	src,	898	src,
1080	None,	899	None,
1081	dst,	900	dst,
1082	0, 0,	901	0, 0,
1083	0, 0,	902	0, 0,
1084	0, 0,	903	0, 0,
1085	width, height);	904	width, height);
1086	}
1087		905
1088	ret = true;	906	ret = true;
1089	}	907	}
1090		908
1091	free (kernel);	909	free (kernel);
…		…
1095	#endif	913	#endif
1096	return ret;	914	return ret;
1097	}	915	}
1098		916
1099	bool	917	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	918	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	919	{
1102	bool ret = false;	920	bool ret = false;
1103		921
1104	if (bg_flags & BG_TINT_BITAND)	922	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	923	{
1106	XGCValues gcv;	924	XGCValues gcv;
1107	GC gc;	925	GC gc;
1108		926
1109	/* In this case we can tint image server-side getting significant	927	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	936	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	937	ret = true;
1120	XFreeGC (dpy, gc);	938	XFreeGC (dpy, gc);
1121	}	939	}
1122	}	940	}
1123	else
1124	{
1125	# if XRENDER	941	# if XRENDER
		942	else if (bg_flags & BG_HAS_RENDER)
		943	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	944	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127		945
1128	if (bg_flags & BG_TINT_SET)	946	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	947	tint.get (c);
1130		948
…		…
1139	c.r = c.r * (200 - shade) / 100;	957	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	958	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	959	c.b = c.b * (200 - shade) / 100;
1142	}	960	}
1143		961
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	962	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		963
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	964	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		965
1150	pa.repeat = True;	966	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		967
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	968	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		969
1161	XRenderColor mask_c;	970	XRenderColor mask_c;
1162		971
1163	mask_c.alpha = 0xffff;	972	mask_c.alpha = 0xffff;
1164	mask_c.red =	973	mask_c.red =
…		…
1169	mask_c.alpha = 0;	978	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	979	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	980	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	981	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		983
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		985
1176	if (shade > 100)	986	if (shade > 100)
1177	{	987	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	988	mask_c.alpha = 0;
		989	mask_c.red =
		990	mask_c.green =
		991	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	992	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		993
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	994	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	995	}
1184		996
1185	ret = true;	997	ret = true;
1186		998
1187	XRenderFreePicture (dpy, mask_pic);	999	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	1000	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	1001	XRenderFreePicture (dpy, back_pic);
		1002	}
1190	# endif	1003	# endif
1191	}
1192		1004
1193	return ret;	1005	return ret;
1194	}	1006	}
1195		1007
1196	/*	1008	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1009	* 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	1010	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1011	* our window.
1200	*/	1012	*/
1201	unsigned long	1013	bool
1202	rxvt_term::make_transparency_pixmap ()	1014	rxvt_term::make_transparency_pixmap ()
1203	{	1015	{
1204	unsigned long result = 0;	1016	bool ret = false;
1205		1017
1206	/* root dimensions may change from call to call - but Display structure should	1018	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1019	* be always up-to-date, so let's use it :
1208	*/	1020	*/
1209	int screen = display->screen;	1021	int screen = display->screen;
…		…
1247	#if XRENDER	1059	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1060	if (bg_flags & BG_HAS_RENDER)
1249	{	1061	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1062	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1063
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1064	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1065	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1066
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1067	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1068	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1069
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1070	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1071
1262	XRenderFreePicture (dpy, src);	1072	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1073	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	1090	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	1091	bg_pmap_height = window_height;
1282	}	1092	}
1283		1093
1284	/* straightforward pixmap copy */	1094	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1095	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1096	while (sy < 0) sy += root_pmap_height;
1287		1097
1288	gcv.tile = recoded_root_pmap;	1098	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1099	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1100	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1101	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1102	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1103
1294	if (gc)	1104	if (gc)
1295	{	1105	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1106	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1107	ret = true;
1298	XFreeGC (dpy, gc);	1108	bool need_blur = h_blurRadius && v_blurRadius;
		1109	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1299		1110
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1111	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1112	{
1302	if ((bg_flags & BG_NEEDS_BLUR)	1113	if (need_blur)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{	1114	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1115	if (blur_pixmap (bg_pixmap, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;	1116	need_blur = false;
1307	}	1117	}
1308	if ((bg_flags & BG_NEEDS_TINT)	1118	if (need_tint)
1309	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1310	{	1119	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (tint_pixmap (bg_pixmap, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;	1121	need_tint = false;
		1122	}
		1123	if (need_tint)
		1124	{
		1125	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1126	if (ximage)
		1127	{
		1128	/* our own client-side tinting */
		1129	tint_ximage (ximage);
		1130
		1131	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1132	XDestroyImage (ximage);
		1133	}
1313	}	1134	}
1314	} /* server side rendering completed */	1135	} /* server side rendering completed */
		1136
		1137	XFreeGC (dpy, gc);
1315	}	1138	}
1316		1139
1317	if (recoded_root_pmap != root_pixmap)	1140	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1141	XFreePixmap (dpy, recoded_root_pmap);
1319		1142
1320	return result;	1143	return ret;
1321	}	1144	}
1322		1145
1323	void	1146	void
1324	rxvt_term::bg_set_root_pixmap ()	1147	rxvt_term::bg_set_root_pixmap ()
1325	{	1148	{
…		…
1329		1152
1330	root_pixmap = new_root_pixmap;	1153	root_pixmap = new_root_pixmap;
1331	}	1154	}
1332	# endif /* ENABLE_TRANSPARENCY */	1155	# endif /* ENABLE_TRANSPARENCY */
1333		1156
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	1157	bool
1339	rxvt_term::bg_render ()	1158	rxvt_term::bg_render ()
1340	{	1159	{
1341	unsigned long tr_flags = 0;
1342
1343	bg_invalidate ();	1160	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1161	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1162	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1163	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1164	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1165	if (make_transparency_pixmap ())
1349	if (tr_flags == 0)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1353	}	1167	}
1354	# endif	1168	# endif
1355		1169
1356	# ifdef BG_IMAGE_FROM_FILE	1170	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1171	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1358	|| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1172	{
1360	if (render_image (tr_flags))	1173	if (render_image (*bg_image))
1361	bg_flags |= BG_IS_VALID;	1174	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	}	1175	}
1396	# endif	1176	# endif
1397		1177
1398	if (!(bg_flags & BG_IS_VALID))	1178	if (!(bg_flags & BG_IS_VALID))
1399	{	1179	{
…		…
1432	bg_flags |= BG_HAS_RENDER_CONV;	1212	bg_flags |= BG_HAS_RENDER_CONV;
1433		1213
1434	XFree (filters);	1214	XFree (filters);
1435	}	1215	}
1436	#endif	1216	#endif
		1217
		1218	#ifdef BG_IMAGE_FROM_FILE
		1219	if (rs[Rs_backgroundPixmap])
		1220	{
		1221	rxvt_image *image = new_image ();
		1222	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1223	image_vec.pop_back ();
		1224	}
		1225
		1226	# ifndef NO_RESOURCES
		1227	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1228	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1229	while (bg_image != image_vec.end ())
		1230	{
		1231	if (!(bg_image->flags & IM_IS_SET))
		1232	bg_image = image_vec.erase (bg_image);
		1233	else
		1234	bg_image++;
		1235	}
		1236	# endif
		1237
		1238	if (image_vec.size () > 0
		1239	&& !bg_window_position_sensitive ())
		1240	update_background ();
		1241	#endif
1437	}	1242	}
1438		1243
1439	#endif /* HAVE_BG_PIXMAP */	1244	#endif /* HAVE_BG_PIXMAP */
1440		1245
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1246	#ifdef ENABLE_TRANSPARENCY
1442	/* taken from aterm-0.4.2 */	1247	/* based on code from aterm-0.4.2 */
1443		1248
1444	static void	1249	static inline void
1445	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1250	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1446	{	1251	{
		1252	for (int i = 0; i <= mask >> sh; i++)
		1253	{
		1254	uint32_t tmp;
		1255	tmp = i * high;
		1256	tmp += (mask >> sh) * low;
		1257	lookup[i] = (tmp / 0xffff) << sh;
		1258	}
		1259	}
		1260
		1261	void
		1262	rxvt_term::tint_ximage (XImage *ximage)
		1263	{
		1264	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1265	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1266	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1267	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	rgba low;	1268	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1269	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1270
1455	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1271	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1456		1272
1457	/* for convenience */	1273	/* for convenience */
1458	mask_r = visual->red_mask;	1274	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1275	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1276	mask_b = visual->blue_mask;
1461		1277
1462	/* boring lookup table pre-initialization */	1278	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1279	sh_r = ecb_ctz32 (mask_r);
1464	{	1280	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1281	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1282
1467	(mask_g != 0x03e0) ||	1283	size_r = mask_r >> sh_r;
1468	(mask_b != 0x001f))	1284	size_g = mask_g >> sh_g;
		1285	size_b = mask_b >> sh_b;
		1286
		1287	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1469	return;	1288	return;
1470	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1289
		1290	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1471	lookup_r = lookup;	1291	lookup_r = lookup;
1472	lookup_g = lookup+32;	1292	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1293	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;	1294
1475	sh_g = 5;	1295	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1476	sh_b = 0;	1296
1477	break;	1297	if (bg_flags & BG_TINT_SET)
1478	case 16:	1298	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		1299
1521	/* prepare limits for color transformation (each channel is handled separately) */	1300	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1301	if (shade > 100)
1523	{	1302	{
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;	1303	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1304	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1305	c.b = c.b * (200 - shade) / 100;
		1306
		1307	low = 0xffff * (shade - 100) / 100;
1533	}	1308	}
1534	else	1309	else
1535	{	1310	{
1536	high.r = c.r * shade / 100;	1311	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1312	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1313	c.b = c.b * shade / 100;
1539		1314
1540	low.r = low.g = low.b = 0;	1315	low = 0;
1541	}	1316	}
1542		1317
1543	/* fill our lookup tables */	1318	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1319	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1320	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1321	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		1322
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1323	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1324	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 || ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1325	&& ximage->byte_order == host_byte_order)
1570	{	1326	{
1571	uint32_t *p1, *pf, *p, *pl;	1327	char *line = ximage->data;
1572	p1 = (uint32_t *) ximage->data;
1573	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1574		1328
1575	while (p1 < pf)	1329	for (int y = 0; y < ximage->height; y++)
1576	{	1330	{
1577	p = p1;	1331	uint32_t *p = (uint32_t *)line;
1578	pl = p1 + ximage->width;	1332	for (int x = 0; x < ximage->width; x++)
1579	for (; p < pl; p++)
1580	{	1333	{
1581	*p = lookup_r[(*p & 0xff0000) >> 16] |	1334	*p = lookup_r[(*p & mask_r) >> sh_r] |
1582	lookup_g[(*p & 0x00ff00) >> 8] |	1335	lookup_g[(*p & mask_g) >> sh_g] |
1583	lookup_b[(*p & 0x0000ff)] |	1336	lookup_b[(*p & mask_b) >> sh_b];
1584	(*p & 0xff000000);	1337	p++;
1585	}	1338	}
1586	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1339	line += ximage->bytes_per_line;
1587	}	1340	}
1588	}	1341	}
1589	else	1342	else
1590	{	1343	{
1591	for (int y = 0; y < ximage->height; y++)	1344	for (int y = 0; y < ximage->height; y++)
…		…
1599	}	1352	}
1600	}	1353	}
1601		1354
1602	free (lookup);	1355	free (lookup);
1603	}	1356	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1357	#endif /* ENABLE_TRANSPARENCY */

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