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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.181 by sf-exg, Sat Dec 24 14:06:32 2011 UTC vs.
Revision 1.229 by sf-exg, Fri Jun 1 16:07:35 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	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#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
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	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++)
83	{	96	{
84	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)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	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++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	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)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		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
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		275
289	if (!update)	276	if (!update)
290	{	277	{
291	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	284	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
299	h = w;	286	h = w;
300	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
301	w = h;	288	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	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	{
313	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
314	changed = true;	305	changed = true;
315	}	306	}
316		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
317	return changed;	313	return changed;
318	}	314	}
319		315
320	void	316	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
323	int target_width = szHint.width;	321	int target_width = szHint.width;
324	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325		325
326	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
328		328
329	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
330	{	330	{
331	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
335	}	335	}
336		336
337	if (!w) w = image_width;	337	if (!w) w = image_width;
338	if (!h) h = image_height;	338	if (!h) h = image_height;
339		339
340	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
341	{	341	{
342	x = -target_x;	342	x = -target_x;
343	y = -target_y;	343	y = -target_y;
344	}	344	}
345	else	345	else
346	{	346	{
347	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	349	}
374	ShadingInfo as_shade;	350	}
375	as_shade.shading = shade;
376		351
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	353	bool
379	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
383		366
384	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
385	}	371	{
386		372	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
388	{	376	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
390	ASA_XImage,	378	{
391	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	384	if (format)
393	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
394	destroy_asimage (&background);	386	else
395	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
396	}	439	{
397	}	440	unsigned char *pixel = row + x * channels;
398	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
399		443
400	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
401		496
402	int target_width = szHint.width;	497	int target_width = szHint.width;
403	int target_height = szHint.height;	498	int target_height = szHint.height;
404	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
407	int x = 0;	502	int x = 0;
408	int y = 0;	503	int y = 0;
409	int w = 0;	504	int w = 0;
410	int h = 0;	505	int h = 0;
411		506
412	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		508
415	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	510	&& (x >= target_width
418	|| y >= target_height	511	|| y >= target_height
419	|| x + w <= 0	512	|| x + w <= 0
420	|| y + h <= 0)))	513	|| y + h <= 0))
421	{	514	return false;
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		515
428	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
429	{	517
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
431	target_width, target_height, background_tint,	519	|| h != image_height)
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
440	else	540	else
441	{	541	{
442	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
443		543	// other pixbufs to render. Otherwise, the bg pixmap size must
444	if (w != original_asim->width	544	// be equal to the window size.
445	|| h != original_asim->height)	545	if ((image.flags & IM_TILE)
446	{	546	&& image_vec.size () == 1)
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}	547	{
452		548	new_pmap_width = min (image_width, target_width);
453	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
454	{	550	}
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461		551
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	552	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
549	{	555	{
550	if (bg_pixmap)	556	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
555	}	561	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		562
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	564	}
759		565
760	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		568
763	if (gc)	569	if (gc)
764	{	570	{
765	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
766	{	572	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	575	0, 0,
770	0, 0,	576	0, 0,
771	image_width, image_height);	577	image_width, image_height, need_blend);
772		578
773	gcv.tile = tile;	579	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		584
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
781	}	587	}
782	else	588	else
783	{	589	{
784	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		595
790	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		600
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	603	src_x, src_y,
798	dst_x, dst_y,	604	dst_x, dst_y,
799	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
800	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
801		612
802	#if XRENDER	613	#if XRENDER
803	if (tr_flags)	614	if (need_blend)
804	{	615	{
805	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		620
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		622
813	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		624
819	XRenderColor mask_c;	625	XRenderColor mask_c;
820		626
821	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
822	mask_c.red = 0;	628	mask_c.red =
823	mask_c.green = 0;	629	mask_c.green =
824	mask_c.blue = 0;	630	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		634
828	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
837	}	644	}
838		645
839	if (result != pixbuf)	646	if (result != pixbuf)
840	g_object_unref (result);	647	g_object_unref (result);
841		648
842	if (tr_flags)	649	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
844		651
845	return ret;	652	return ret;
846	}	653	}
847	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
848		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678	# endif
		679
		680	void
		681	rxvt_term::parse_image (int id, const char *type, const char *arg)
		682	{
		683	if (image_vec.size () < id + 1)
		684	image_vec.resize (id + 1);
		685
		686	rxvt_image *image = &image_vec[id];
		687	}
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
849	bool	703	bool
850	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
851	{	705	{
852	if (!file || !*file)	706	if (!file || !*file)
853	return false;	707	return false;
854		708
855	bool ret = false;
856	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
857		710
858	if (p)	711	if (p)
859	{	712	{
860	size_t len = p - file;	713	size_t len = p - file;
…		…
862	memcpy (f, file, len);	715	memcpy (f, file, len);
863	f[len] = '\0';	716	f[len] = '\0';
864	file = f;	717	file = f;
865	}	718	}
866		719
867	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
868	if (!asimman)	721	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
871	if (image)	724	return ret;
872	{	725	}
873	if (original_asim)	726
874	safe_asimage_destroy (original_asim);	727	bool
875	original_asim = image;	728	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
877	ret = true;	730	bool ret = false;
878	}
879	# endif
880		731
881	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	734	if (image)
884	{	735	{
885	if (pixbuf)	736	if (pixbuf)
886	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
887	pixbuf = image;	738	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	739	ret = true;
890	}	740	}
891	# endif	741	# endif
892		742
893	if (ret)	743	if (ret)
894	{	744	flags |= IM_IS_SET;
895	if (p)
896	bg_set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}
900		745
901	return ret;	746	return ret;
902	}	747	}
903		748
904	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
905		750
906	# ifdef ENABLE_TRANSPARENCY
907	bool	751	bool
908	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool
920	rxvt_term::bg_set_blur (const char *geom)
921	{	753	{
922	bool changed = false;	754	bool changed = false;
923	unsigned int hr, vr;	755	unsigned int hr, vr;
924	int junk;	756	int junk;
925	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
942	{	774	{
943	changed = true;	775	changed = true;
944	v_blurRadius = vr;	776	v_blurRadius = vr;
945	}	777	}
946		778
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	779	return changed;
953	}	780	}
954		781
955	void
956	rxvt_term::set_tint_shade_flags ()
957	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;
971	}
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool	782	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
979	{	784	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
981	{	786	{
982	tint = new_tint;	787	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	788	tint_set = true;
984	set_tint_shade_flags ();	789
985	return true;	790	return true;
986	}	791	}
987		792
988	return false;	793	return false;
989	}	794	}
990		795
991	bool	796	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
993	{	798	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
995		800
996	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	802	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
999		804
1000	if (new_shade != shade)	805	if (new_shade != shade)
1001	{	806	{
1002	shade = new_shade;	807	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	808	return true;
1005	}	809	}
1006		810
1007	return false;	811	return false;
1008	}	812	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	834	}
1031	#endif	835	#endif
1032		836
1033	bool	837	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1035	{	839	{
1036	bool ret = false;	840	bool ret = false;
1037	#if XRENDER	841	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	843	return false;
…		…
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		848
1045	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1047		852
		853	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1050		858
1051	if (kernel && params)	859	if (kernel && params)
1052	{	860	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		863
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1060	PictOpSrc,	866	PictOpSrc,
1061	src,	867	src,
1062	None,	868	None,
1063	dst,	869	dst,
1064	0, 0,	870	0, 0,
1065	0, 0,	871	0, 0,
1066	0, 0,	872	0, 0,
1067	width, height);	873	width, height);
1068	}
1069		874
1070	if (v_blurRadius)	875	::swap (src, dst);
1071	{	876
1072	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1075		880
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1078	PictOpSrc,	883	PictOpSrc,
1079	src,	884	src,
1080	None,	885	None,
1081	dst,	886	dst,
1082	0, 0,	887	0, 0,
1083	0, 0,	888	0, 0,
1084	0, 0,	889	0, 0,
1085	width, height);	890	width, height);
1086	}
1087		891
1088	ret = true;	892	ret = true;
1089	}	893	}
1090		894
1091	free (kernel);	895	free (kernel);
…		…
1095	#endif	899	#endif
1096	return ret;	900	return ret;
1097	}	901	}
1098		902
1099	bool	903	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1101	{	905	{
1102	bool ret = false;	906	bool ret = false;
1103		907
1104	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1105	{	917	{
1106	XGCValues gcv;	918	XGCValues gcv;
1107	GC gc;	919	GC gc;
1108		920
1109	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1121	}	933	}
1122	}	934	}
1123	# if XRENDER	935	# if XRENDER
1124	else if (bg_flags & BG_HAS_RENDER)	936	else if (bg_flags & BG_HAS_RENDER)
1125	{	937	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127
1128	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);
1130
1131	if (shade <= 100)	938	if (shade <= 100)
1132	{	939	{
1133	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1134	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1135	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1139	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1142	}	949	}
1143		950
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		953
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		955
1150	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		957
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		959
1161	XRenderColor mask_c;	960	XRenderColor mask_c;
1162		961
1163	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1164	mask_c.red =	963	mask_c.red =
…		…
1169	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		975
1176	if (shade > 100)	976	if (shade > 100)
1177	{	977	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		983
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	985	}
1184		986
…		…
1191	# endif	993	# endif
1192		994
1193	return ret;	995	return ret;
1194	}	996	}
1195		997
		998	# ifdef ENABLE_TRANSPARENCY
1196	/*	999	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1002	* our window.
1200	*/	1003	*/
1201	unsigned long	1004	bool
1202	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1203	{	1006	{
1204	unsigned long result = 0;	1007	bool ret = false;
1205		1008
1206	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1208	*/	1011	*/
1209	int screen = display->screen;	1012	int screen = display->screen;
…		…
1247	#if XRENDER	1050	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1249	{	1052	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1054
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1057
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1060
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1062
1262	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1094
1294	if (gc)	1095	if (gc)
1295	{	1096	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1298	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if (bg_flags & BG_NEEDS_BLUR)
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if (bg_flags & BG_NEEDS_TINT)
1308	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;
1311	}
1312	} /* server side rendering completed */
1313	}	1128	}
1314		1129
1315	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1317		1132
1318	return result;	1133	return ret;
1319	}	1134	}
1320		1135
1321	void	1136	void
1322	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1323	{	1138	{
…		…
1327		1142
1328	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1329	}	1144	}
1330	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1331		1146
1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1334	# endif
1335
1336	bool	1147	bool
1337	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1338	{	1149	{
1339	unsigned long tr_flags = 0;
1340
1341	bg_invalidate ();	1150	bg_invalidate ();
1342	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1343	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1344	{	1153	{
1345	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1346	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1347	if (tr_flags == 0)
1348	return false;
1349	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1350	}	1157	}
1351	# endif	1158	# endif
1352		1159
1353	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1354	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1355	|| (tr_flags & BG_EFFECTS_FLAGS))
1356	{	1162	{
1357	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1358	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1359	}
1360	# endif
1361
1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363	XImage *result = NULL;
1364
1365	if (tr_flags & BG_NEEDS_TINT)
1366	{
1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368	}
1369
1370	if (result)
1371	{
1372	/* our own client-side tinting */
1373	//if (tr_flags & BG_NEEDS_TINT)
1374	if (1)
1375	{
1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377	if (bg_flags & BG_TINT_SET)
1378	tint.get (c);
1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380	}
1381
1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388	XFreeGC (dpy, gc);
1389	}
1390
1391	XDestroyImage (result);
1392	}	1165	}
1393	# endif	1166	# endif
1394		1167
1395	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1396	{	1169	{
…		…
1410	}	1183	}
1411		1184
1412	void	1185	void
1413	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1414	{	1187	{
1415	#ifdef ENABLE_TRANSPARENCY
1416	shade = 100;
1417	#endif
1418
1419	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1420	#if XRENDER	1189	#if XRENDER
1421	int major, minor;	1190	int major, minor;
1422	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1423	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1429	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1430		1199
1431	XFree (filters);	1200	XFree (filters);
1432	}	1201	}
1433	#endif	1202	#endif
1434	}
1435		1203
1436	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1437		1211
1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	# endif
		1215
		1216	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1217	while (bg_image != image_vec.end ())
		1218	{
		1219	if (!(bg_image->flags & IM_IS_SET))
		1220	bg_image = image_vec.erase (bg_image);
		1221	else
		1222	{
		1223	if (bg_image->is_size_sensitive ())
		1224	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1225
		1226	bg_image++;
		1227	}
		1228	}
		1229
		1230	if (image_vec.size () > 0
		1231	&& !bg_window_position_sensitive ())
		1232	update_background ();
		1233	#endif
		1234	}
		1235
1439	/* based on code from aterm-0.4.2 */	1236	/* based on code from aterm-0.4.2 */
1440		1237
1441	static inline void	1238	static inline void
1442	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1239	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1443	{	1240	{
…		…
1448	tmp += (mask >> sh) * low;	1245	tmp += (mask >> sh) * low;
1449	lookup[i] = (tmp / 0xffff) << sh;	1246	lookup[i] = (tmp / 0xffff) << sh;
1450	}	1247	}
1451	}	1248	}
1452		1249
1453	static void	1250	void
1454	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1251	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1455	{	1252	{
		1253	unsigned int size_r, size_g, size_b;
1456	int sh_r, sh_g, sh_b;	1254	int sh_r, sh_g, sh_b;
1457	uint32_t mask_r, mask_g, mask_b;	1255	uint32_t mask_r, mask_g, mask_b;
1458	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1256	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1459	unsigned short low;	1257	unsigned short low;
1460	rgba high;
1461	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1258	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1462		1259
1463	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1260	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1464		1261
1465	/* for convenience */	1262	/* for convenience */
1466	mask_r = visual->red_mask;	1263	mask_r = visual->red_mask;
1467	mask_g = visual->green_mask;	1264	mask_g = visual->green_mask;
1468	mask_b = visual->blue_mask;	1265	mask_b = visual->blue_mask;
1469		1266
1470	/* boring lookup table pre-initialization */	1267	/* boring lookup table pre-initialization */
1471	switch (ximage->depth)	1268	sh_r = ecb_ctz32 (mask_r);
1472	{	1269	sh_g = ecb_ctz32 (mask_g);
1473	case 15:	1270	sh_b = ecb_ctz32 (mask_b);
1474	if ((mask_r != 0x7c00) ||	1271
1475	(mask_g != 0x03e0) ||	1272	size_r = mask_r >> sh_r;
1476	(mask_b != 0x001f))	1273	size_g = mask_g >> sh_g;
		1274	size_b = mask_b >> sh_b;
		1275
		1276	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1477	return;	1277	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1278
		1279	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1479	lookup_r = lookup;	1280	lookup_r = lookup;
1480	lookup_g = lookup+32;	1281	lookup_g = lookup + size_r;
1481	lookup_b = lookup+32+32;	1282	lookup_b = lookup + size_r + size_g;
1482	sh_r = 10;	1283
1483	sh_g = 5;	1284	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1484	sh_b = 0;	1285
1485	break;	1286	if (tint_set)
1486	case 16:	1287	tint.get (c);
1487	if ((mask_r != 0xf800) ||
1488	(mask_g != 0x07e0) ||
1489	(mask_b != 0x001f))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1492	lookup_r = lookup;
1493	lookup_g = lookup+32;
1494	lookup_b = lookup+32+64;
1495	sh_r = 11;
1496	sh_g = 5;
1497	sh_b = 0;
1498	break;
1499	case 24:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	case 32:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	default:
1526	return; /* we do not support this color depth */
1527	}
1528		1288
1529	/* prepare limits for color transformation (each channel is handled separately) */	1289	/* prepare limits for color transformation (each channel is handled separately) */
1530	if (shade > 100)	1290	if (shade > 100)
1531	{	1291	{
1532	shade = 200 - shade;	1292	c.r = c.r * (200 - shade) / 100;
		1293	c.g = c.g * (200 - shade) / 100;
		1294	c.b = c.b * (200 - shade) / 100;
1533		1295
1534	high.r = c.r * shade / 100;
1535	high.g = c.g * shade / 100;
1536	high.b = c.b * shade / 100;
1537
1538	low = 0xffff * (100 - shade) / 100;	1296	low = 0xffff * (shade - 100) / 100;
1539	}	1297	}
1540	else	1298	else
1541	{	1299	{
1542	high.r = c.r * shade / 100;	1300	c.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;	1301	c.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;	1302	c.b = c.b * shade / 100;
1545		1303
1546	low = 0;	1304	low = 0;
1547	}	1305	}
1548		1306
1549	/* fill our lookup tables */	1307	/* fill our lookup tables */
1550	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1308	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1551	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1309	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1310	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1311
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1312	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1313	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 || ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1314	&& ximage->byte_order == host_byte_order)
1558	{	1315	{
1559	uint32_t *p1, *pf, *p, *pl;	1316	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1562		1317
1563	while (p1 < pf)	1318	for (int y = 0; y < ximage->height; y++)
1564	{	1319	{
1565	p = p1;	1320	uint32_t *p = (uint32_t *)line;
1566	pl = p1 + ximage->width;	1321	for (int x = 0; x < ximage->width; x++)
1567	for (; p < pl; p++)
1568	{	1322	{
1569	*p = lookup_r[(*p & 0xff0000) >> 16] |	1323	*p = lookup_r[(*p & mask_r) >> sh_r] |
1570	lookup_g[(*p & 0x00ff00) >> 8] |	1324	lookup_g[(*p & mask_g) >> sh_g] |
1571	lookup_b[(*p & 0x0000ff)] |	1325	lookup_b[(*p & mask_b) >> sh_b];
1572	(*p & 0xff000000);	1326	p++;
1573	}	1327	}
1574	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1328	line += ximage->bytes_per_line;
1575	}	1329	}
1576	}	1330	}
1577	else	1331	else
1578	{	1332	{
1579	for (int y = 0; y < ximage->height; y++)	1333	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1341	}
1588	}	1342	}
1589		1343
1590	free (lookup);	1344	free (lookup);
1591	}	1345	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1346
		1347	#endif /* HAVE_BG_PIXMAP */

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