[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.201 by sf-exg, Sat Feb 4 21:47:06 2012 UTC vs.
Revision 1.225 by sf-exg, Wed May 30 21:20:05 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.
…		…
58	# endif	58	# endif
59		59
60	void	60	void
61	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
62	{	62	{
63	#ifdef HAVE_PIXBUF	63	# ifdef BG_IMAGE_FROM_FILE
64	if (pixbuf)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65	g_object_unref (pixbuf);	65	bg_image->destroy ();
66	#endif	66	# endif
67		67
68	if (bg_pixmap)	68	if (bg_pixmap)
69	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
70	}	70	}
71		71
…		…
90	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
91	return true;	91	return true;
92	# endif	92	# endif
93		93
94	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
95	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++)
96	{	96	{
97	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)
98	return true;	100	return true;
99	}	101	}
100	# endif	102	# endif
101		103
102	return false;	104	return false;
…		…
109	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
110	return true;	112	return true;
111	# endif	113	# endif
112		114
113	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
114	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++)
115	{	117	{
116	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
117	return true;	119	return true;
118	}	120	}
119	# endif	121	# endif
120		122
121	return false;	123	return false;
…		…
123		125
124	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
125	static inline int	127	static inline int
126	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
127	{	129	{
128	int diff = window_size - image_size;
129	int smaller = min (image_size, window_size);
130
131	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
132	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
133	else if (align > 100 && align <= 200)	132	else if (align > 100)
134	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
135	else if (align >= -100 && align < 0)	134	else
136	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
137	return 0;
138	}	136	}
139		137
140	static inline int	138	static inline int
141	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)
142	{	140	{
…		…
152		150
153	min_it (dst_size, target_size - dst_pos);	151	min_it (dst_size, target_size - dst_pos);
154	return src_pos;	152	return src_pos;
155	}	153	}
156		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
157	bool	190	bool
158	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
159	{	192	{
160	bool changed = false;	193	bool changed = false;
161	int geom_flags = 0;	194	int geom_flags = 0;
162	int x = h_align;	195	int x = h_align;
163	int y = v_align;	196	int y = v_align;
164	unsigned int w = h_scale;	197	unsigned int w = h_scale;
165	unsigned int h = v_scale;	198	unsigned int h = v_scale;
166	unsigned long new_flags = 0;	199	uint8_t new_flags = 0;
167		200
168	if (geom == NULL)	201	if (geom == NULL)
169	return false;	202	return false;
170		203
171	if (geom[0])	204	if (geom[0])
172	{	205	{
173	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
174		207
175	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
176	{	209	{
177	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
178	{	211	{
179	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
180	w = h = noScale;
181	x = y = 0;
182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	213	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
183	}	214	}
184	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
185	{
186	new_flags = BG_KEEP_ASPECT;
187	w = h = windowScale;
188	x = y = centerAlign;
189	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
190	}
191	else if (!strcasecmp (arr[i], "style=stretched"))
192	{
193	new_flags = 0;
194	w = h = windowScale;
195	geom_flags = WidthValue\|HeightValue;
196	}
197	else if (!strcasecmp (arr[i], "style=centered"))
198	{
199	new_flags = 0;
200	w = h = noScale;
201	x = y = centerAlign;
202	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
203	}
204	else if (!strcasecmp (arr[i], "style=root-tiled"))
205	{
206	new_flags = BG_TILE\|BG_ROOT_ALIGN;
207	w = h = noScale;
208	geom_flags = WidthValue\|HeightValue;
209	}
210	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
211	new_flags \|= BG_TILE;	216	new_flags \|= IM_TILE;
212	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
213	new_flags \|= BG_KEEP_ASPECT;	218	new_flags \|= IM_KEEP_ASPECT;
214	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
215	new_flags \|= BG_ROOT_ALIGN;	220	new_flags \|= IM_ROOT_ALIGN;
216		221
217	// deprecated	222	// deprecated
218	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
219	{	224	{
220	new_flags \|= BG_TILE;	225	new_flags \|= IM_TILE;
221	w = h = noScale;	226	w = h = noScale;
222	geom_flags \|= WidthValue\|HeightValue;	227	geom_flags \|= WidthValue\|HeightValue;
223	}	228	}
224	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
225	{	230	{
226	new_flags \|= BG_KEEP_ASPECT;	231	new_flags \|= IM_KEEP_ASPECT;
227	w = h = windowScale;	232	w = h = windowScale;
228	geom_flags \|= WidthValue\|HeightValue;	233	geom_flags \|= WidthValue\|HeightValue;
229	}	234	}
230	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
231	{	236	{
232	new_flags \|= BG_TILE;	237	new_flags \|= IM_TILE;
233	w = windowScale;	238	w = windowScale;
234	h = noScale;	239	h = noScale;
235	geom_flags \|= WidthValue\|HeightValue;	240	geom_flags \|= WidthValue\|HeightValue;
236	}	241	}
237	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
238	{	243	{
239	new_flags \|= BG_TILE;	244	new_flags \|= IM_TILE;
240	h = windowScale;	245	h = windowScale;
241	w = noScale;	246	w = noScale;
242	geom_flags \|= WidthValue\|HeightValue;	247	geom_flags \|= WidthValue\|HeightValue;
243	}	248	}
244	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
252	x = y = centerAlign;	257	x = y = centerAlign;
253	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	258	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
254	}	259	}
255	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
256	{	261	{
257	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;	262	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
258	w = h = noScale;	263	w = h = noScale;
259	geom_flags \|= WidthValue\|HeightValue;	264	geom_flags \|= WidthValue\|HeightValue;
260	}	265	}
261		266
262	else	267	else
…		…
264	} /* done parsing ops */	269	} /* done parsing ops */
265		270
266	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
267	}	272	}
268		273
269	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
270		275
271	if (!update)	276	if (!update)
272	{	277	{
273	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
274	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
281	h = w;	286	h = w;
282	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
283	w = h;	288	w = h;
284	}	289	}
285		290
286	min_it (w, 1000);
287	min_it (h, 1000);
288	clamp_it (x, -100, 200);	291	clamp_it (x, -100, 200);
289	clamp_it (y, -100, 200);	292	clamp_it (y, -100, 200);
290		293
291	if (bg_flags != new_flags	294	if (flags != new_flags
292	\|\| h_scale != w	295	\|\| h_scale != w
293	\|\| v_scale != h	296	\|\| v_scale != h
294	\|\| h_align != x	297	\|\| h_align != x
295	\|\| v_align != y)	298	\|\| v_align != y)
296	{	299	{
297	bg_flags = new_flags;	300	flags = new_flags;
298	h_scale = w;	301	h_scale = w;
299	v_scale = h;	302	v_scale = h;
300	h_align = x;	303	h_align = x;
301	v_align = y;	304	v_align = y;
302	changed = true;	305	changed = true;
303	}	306	}
304		307
		308	if (is_size_sensitive ())
		309	flags \|= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
305	return changed;	313	return changed;
306	}	314	}
307		315
308	void	316	void
309	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)
310	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
311	int target_width = szHint.width;	321	int target_width = szHint.width;
312	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);
313		325
314	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
315	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
316		328
317	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
318	{	330	{
319	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
320	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
321	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
322	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
323	}	335	}
324		336
325	if (!w) w = image_width;	337	if (!w) w = image_width;
326	if (!h) h = image_height;	338	if (!h) h = image_height;
327		339
328	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
329	{	341	{
330	x = -target_x;	342	x = -target_x;
331	y = -target_y;	343	y = -target_y;
332	}	344	}
333	else	345	else
334	{	346	{
335	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
336	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
337	}	349	}
338
339	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
340	if (!(bg_flags & BG_TILE)
341	\|\| h_scale \|\| v_scale
342	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
343	\|\| w > target_width \|\| h > target_height)
344	bg_flags \|= BG_IS_SIZE_SENSITIVE;
345	}	350	}
346		351
347	# ifdef HAVE_PIXBUF	352	# ifdef HAVE_PIXBUF
348	bool	353	bool
349	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
350	int src_x, int src_y, int dst_x, int dst_y,	355	int src_x, int src_y, int dst_x, int dst_y,
351	unsigned int width, unsigned int height)	356	unsigned int width, unsigned int height, bool argb)
352	{	357	{
353	XImage *ximage;	358	XImage *ximage;
354	char data, line;	359	char *line;
355	int bytes_per_pixel;
356	int width_r, width_g, width_b;	360	int width_r, width_g, width_b, width_a;
357	int sh_r, sh_g, sh_b;	361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
358	int rowstride;	363	int rowstride;
359	int channels;	364	int channels;
360	unsigned char *row;	365	unsigned char *row;
361		366
362	if (visual->c_class != TrueColor)	367	if (visual->c_class != TrueColor)
363	return false;	368	return false;
364		369
365	if (depth == 24 \|\| depth == 32)	370	if (argb)
366	bytes_per_pixel = 4;	371	{
367	else if (depth == 15 \|\| depth == 16)	372	red_mask = 0xff << 16;
368	bytes_per_pixel = 2;	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
		376	}
369	else	377	else
		378	{
		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);
		384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		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)
370	return false;	397	return false;
371		398
372	width_r = ecb_popcount32 (visual->red_mask);	399	sh_r = ecb_ctz32 (red_mask);
373	width_g = ecb_popcount32 (visual->green_mask);	400	sh_g = ecb_ctz32 (green_mask);
374	width_b = ecb_popcount32 (visual->blue_mask);	401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
375		403
376	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	404	if (width > 32767 \|\| height > 32767)
377	return false;	405	return false;
378		406
379	sh_r = ecb_ctz32 (visual->red_mask);	407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
380	sh_g = ecb_ctz32 (visual->green_mask);	408	width, height, 32, 0);
381	sh_b = ecb_ctz32 (visual->blue_mask);	409	if (!ximage)
382
383	if (width > INT_MAX / height / bytes_per_pixel)
384	return false;	410	return false;
385		411
386	data = (char )malloc (width height * bytes_per_pixel);	412	if (height > INT_MAX / ximage->bytes_per_line
387	if (!data)	413	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
388	return false;
389
390	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
391	width, height, bytes_per_pixel * 8, 0);
392	if (!ximage)
393	{	414	{
394	free (data);	415	XDestroyImage (ximage);
395	return false;	416	return false;
396	}	417	}
397		418
398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
399		420
400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
401	channels = gdk_pixbuf_get_n_channels (pixbuf);	422	channels = gdk_pixbuf_get_n_channels (pixbuf);
402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
403	line = data;	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	}
404		435
405	for (int y = 0; y < height; y++)	436	for (int y = 0; y < height; y++)
406	{	437	{
407	for (int x = 0; x < width; x++)	438	for (int x = 0; x < width; x++)
408	{	439	{
409	unsigned char pixel = row + x channels;	440	unsigned char pixel = row + x channels;
410	uint32_t value;	441	uint32_t value;
		442	unsigned char r, g, b, a;
411		443
		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
412	value = ((pixel[0] >> (8 - width_r)) << sh_r)	459	value = ((r >> (8 - width_r)) << sh_r)
413	\| ((pixel[1] >> (8 - width_g)) << sh_g)	460	\| ((g >> (8 - width_g)) << sh_g)
414	\| ((pixel[2] >> (8 - width_b)) << sh_b);	461	\| ((b >> (8 - width_b)) << sh_b)
		462	\| ((a >> (8 - width_a)) << sh_a);
415		463
416	if (bytes_per_pixel == 4)	464	if (ximage->bits_per_pixel == 32)
417	((uint32_t *)line)[x] = value;	465	((uint32_t *)line)[x] = value;
418	else	466	else
419	((uint16_t *)line)[x] = value;	467	XPutPixel (ximage, x, y, value);
420	}	468	}
421		469
422	row += rowstride;	470	row += rowstride;
423	line += ximage->bytes_per_line;	471	line += ximage->bytes_per_line;
424	}	472	}
…		…
427	XDestroyImage (ximage);	475	XDestroyImage (ximage);
428	return true;	476	return true;
429	}	477	}
430		478
431	bool	479	bool
432	rxvt_term::render_image (unsigned long tr_flags)	480	rxvt_term::render_image (rxvt_image &image)
433	{	481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
434	if (!pixbuf)	483	if (!pixbuf)
435	return false;	484	return false;
436		485
437	if (tr_flags	486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
438	&& !(bg_flags & BG_HAS_RENDER))	489	&& !(bg_flags & BG_HAS_RENDER))
439	return false;	490	return false;
440		491
441	GdkPixbuf *result;	492	GdkPixbuf *result;
442		493
…		…
451	int x = 0;	502	int x = 0;
452	int y = 0;	503	int y = 0;
453	int w = 0;	504	int w = 0;
454	int h = 0;	505	int h = 0;
455		506
456	get_image_geometry (image_width, image_height, w, h, x, y);	507	get_image_geometry (image, w, h, x, y);
457		508
458	if (!(bg_flags & BG_ROOT_ALIGN)	509	if (!(image.flags & IM_ROOT_ALIGN)
459	&& (x >= target_width	510	&& (x >= target_width
460	\|\| y >= target_height	511	\|\| y >= target_height
461	\|\| x + w <= 0	512	\|\| x + w <= 0
462	\|\| y + h <= 0))	513	\|\| y + h <= 0))
463	return false;	514	return false;
…		…
477		528
478	bool ret = false;	529	bool ret = false;
479		530
480	XGCValues gcv;	531	XGCValues gcv;
481	GC gc;	532	GC gc;
482	Pixmap root_pmap;	533	Pixmap tmp_pixmap;
483		534
484	image_width = gdk_pixbuf_get_width (result);	535	image_width = gdk_pixbuf_get_width (result);
485	image_height = gdk_pixbuf_get_height (result);	536	image_height = gdk_pixbuf_get_height (result);
486		537
487	if (tr_flags)	538	if (need_blend)
488	{	539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
489	root_pmap = bg_pixmap;
490	bg_pixmap = None;
491	}
492	else	540	else
493	{	541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
494	if (bg_flags & BG_TILE)	545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
495	{	547	{
496	new_pmap_width = min (image_width, target_width);	548	new_pmap_width = min (image_width, target_width);
497	new_pmap_height = min (image_height, target_height);	549	new_pmap_height = min (image_height, target_height);
498	}	550	}
499	}
500		551
501	if (bg_pixmap == None	552	if (bg_pixmap == None
502	\|\| bg_pmap_width != new_pmap_width	553	\|\| bg_pmap_width != new_pmap_width
503	\|\| bg_pmap_height != new_pmap_height)	554	\|\| bg_pmap_height != new_pmap_height)
504	{	555	{
505	if (bg_pixmap)	556	if (bg_pixmap)
506	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
507	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);
508	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
509	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
		561	}
		562
		563	tmp_pixmap = bg_pixmap;
510	}	564	}
511		565
512	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
513	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
514		568
515	if (gc)	569	if (gc)
516	{	570	{
517	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
518	{	572	{
519	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
520	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
521	0, 0,	575	0, 0,
522	0, 0,	576	0, 0,
523	image_width, image_height);	577	image_width, image_height, need_blend);
524		578
525	gcv.tile = tile;	579	gcv.tile = tile;
526	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
527	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
528	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
529	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
530		584
531	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);
532	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
533	}	587	}
534	else	588	else
535	{	589	{
536	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
540	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);
541		595
542	if (dst_x > 0 \|\| dst_y > 0	596	if (dst_x > 0 \|\| dst_y > 0
543	\|\| dst_x + dst_width < new_pmap_width	597	\|\| dst_x + dst_width < new_pmap_width
544	\|\| dst_y + dst_height < new_pmap_height)	598	\|\| dst_y + dst_height < new_pmap_height)
545	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);
546		600
547	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
548	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
549	src_x, src_y,	603	src_x, src_y,
550	dst_x, dst_y,	604	dst_x, dst_y,
551	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
552	}	606	}
553		607
554	#if XRENDER	608	#if XRENDER
555	if (tr_flags)	609	if (need_blend)
556	{	610	{
		611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
557	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
558		613
559	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
560		615
561	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
562		617
563	Picture mask = create_xrender_mask (dpy, vt, False, False);	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
564		619
565	XRenderColor mask_c;	620	XRenderColor mask_c;
566		621
567	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
568	mask_c.red =	623	mask_c.red =
569	mask_c.green =	624	mask_c.green =
570	mask_c.blue = 0;	625	mask_c.blue = 0;
571	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
572		627
…		…
584	}	639	}
585		640
586	if (result != pixbuf)	641	if (result != pixbuf)
587	g_object_unref (result);	642	g_object_unref (result);
588		643
589	if (tr_flags)	644	if (need_blend)
590	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
591		646
592	return ret;	647	return ret;
593	}	648	}
594	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
595		650
		651	# ifndef NO_RESOURCES
		652	static int
		653	rxvt_define_image (XrmDatabase *database ecb_unused,
		654	XrmBindingList bindings ecb_unused,
		655	XrmQuarkList quarks,
		656	XrmRepresentation *type ecb_unused,
		657	XrmValue *value,
		658	XPointer closure ecb_unused)
		659	{
		660	int size;
		661
		662	for (size = 0; quarks[size] != NULLQUARK; size++)
		663	;
		664
		665	if (size >= 2)
		666	{
		667	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		668	if (id >= 1)
		669	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		670	}
		671	return False;
		672	}
		673
		674	void
		675	rxvt_term::parse_image (int id, const char type, const char arg)
		676	{
		677	if (image_vec.size () < id + 1)
		678	image_vec.resize (id + 1);
		679
		680	rxvt_image *image = &image_vec[id];
		681	}
		682	# endif
		683
		684	rxvt_image::rxvt_image ()
		685	{
		686	alpha = 0xffff;
		687	flags = 0;
		688	h_scale =
		689	v_scale = defaultScale;
		690	h_align =
		691	v_align = defaultAlign;
		692
		693	# ifdef HAVE_PIXBUF
		694	pixbuf = 0;
		695	# endif
		696	}
		697
596	bool	698	bool
597	rxvt_term::bg_set_file (const char *file)	699	rxvt_image::set_file_geometry (const char *file)
598	{	700	{
599	if (!file \|\| !*file)	701	if (!file \|\| !*file)
600	return false;	702	return false;
601		703
602	bool ret = false;
603	const char *p = strchr (file, ';');	704	const char *p = strchr (file, ';');
604		705
605	if (p)	706	if (p)
606	{	707	{
607	size_t len = p - file;	708	size_t len = p - file;
…		…
609	memcpy (f, file, len);	710	memcpy (f, file, len);
610	f[len] = '\0';	711	f[len] = '\0';
611	file = f;	712	file = f;
612	}	713	}
613		714
		715	bool ret = set_file (file);
		716	alpha = 0x8000;
		717	if (ret)
		718	set_geometry (p ? p + 1 : "");
		719	return ret;
		720	}
		721
		722	bool
		723	rxvt_image::set_file (const char *file)
		724	{
		725	bool ret = false;
		726
614	# ifdef HAVE_PIXBUF	727	# ifdef HAVE_PIXBUF
615	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	728	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
616	if (image)	729	if (image)
617	{	730	{
618	if (pixbuf)	731	if (pixbuf)
619	g_object_unref (pixbuf);	732	g_object_unref (pixbuf);
620	pixbuf = image;	733	pixbuf = image;
621	bg_flags \|= BG_IS_FROM_FILE;
622	ret = true;	734	ret = true;
623	}	735	}
624	# endif	736	# endif
625		737
626	if (ret)	738	if (ret)
627	{	739	flags \|= IM_IS_SET;
628	if (p)
629	bg_set_geometry (p + 1);
630	else
631	bg_set_default_geometry ();
632	}
633		740
634	return ret;	741	return ret;
635	}	742	}
636		743
637	# endif /* BG_IMAGE_FROM_FILE */	744	# endif /* BG_IMAGE_FROM_FILE */
638		745
639	# ifdef ENABLE_TRANSPARENCY	746	# ifdef ENABLE_TRANSPARENCY
640	bool
641	rxvt_term::bg_set_transparent ()
642	{
643	if (!(bg_flags & BG_IS_TRANSPARENT))
644	{
645	bg_flags \|= BG_IS_TRANSPARENT;
646	return true;
647	}
648
649	return false;
650	}
651
652	bool	747	bool
653	rxvt_term::bg_set_blur (const char *geom)	748	rxvt_term::bg_set_blur (const char *geom)
654	{	749	{
655	bool changed = false;	750	bool changed = false;
656	unsigned int hr, vr;	751	unsigned int hr, vr;
…		…
675	{	770	{
676	changed = true;	771	changed = true;
677	v_blurRadius = vr;	772	v_blurRadius = vr;
678	}	773	}
679		774
680	if (h_blurRadius == 0 \|\| v_blurRadius == 0)
681	bg_flags &= ~BG_NEEDS_BLUR;
682	else
683	bg_flags \|= BG_NEEDS_BLUR;
684
685	return changed;	775	return changed;
686	}	776	}
687		777
688	void	778	bool
689	rxvt_term::set_tint_shade_flags ()	779	rxvt_term::bg_set_tint (rxvt_color &new_tint)
690	{	780	{
		781	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		782	{
		783	tint = new_tint;
		784	bg_flags \|= BG_TINT_SET;
		785
691	rgba c;	786	rgba c;
692	bool has_shade = shade != 100;
693
694	bg_flags &= ~BG_TINT_FLAGS;
695
696	if (bg_flags & BG_TINT_SET)
697	{
698	tint.get (c);	787	tint.get (c);
699	if (!has_shade
700	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	788	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
701	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	789	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
702	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	790	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
703	bg_flags \|= BG_TINT_BITAND;	791	bg_flags \|= BG_TINT_BITAND;
704	}	792	else
705
706	if (has_shade \|\| (bg_flags & BG_TINT_SET))
707	bg_flags \|= BG_NEEDS_TINT;
708	}
709
710	bool
711	rxvt_term::bg_set_tint (rxvt_color &new_tint)
712	{
713	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
714	{
715	tint = new_tint;
716	bg_flags \|= BG_TINT_SET;	793	bg_flags &= ~BG_TINT_BITAND;
717	set_tint_shade_flags ();	794
718	return true;	795	return true;
719	}	796	}
720		797
721	return false;	798	return false;
722	}	799	}
…		…
731	new_shade = 200 - (100 + new_shade);	808	new_shade = 200 - (100 + new_shade);
732		809
733	if (new_shade != shade)	810	if (new_shade != shade)
734	{	811	{
735	shade = new_shade;	812	shade = new_shade;
736	set_tint_shade_flags ();
737	return true;	813	return true;
738	}	814	}
739		815
740	return false;	816	return false;
741	}	817	}
…		…
762	params[i+2] = XDoubleToFixed (kernel[i] / sum);	838	params[i+2] = XDoubleToFixed (kernel[i] / sum);
763	}	839	}
764	#endif	840	#endif
765		841
766	bool	842	bool
767	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)	843	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
768	{	844	{
769	bool ret = false;	845	bool ret = false;
770	#if XRENDER	846	#if XRENDER
771	if (!(bg_flags & BG_HAS_RENDER_CONV))	847	if (!(bg_flags & BG_HAS_RENDER_CONV))
772	return false;	848	return false;
…		…
827	#endif	903	#endif
828	return ret;	904	return ret;
829	}	905	}
830		906
831	bool	907	bool
832	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	908	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
833	{	909	{
834	bool ret = false;	910	bool ret = false;
835		911
836	if (bg_flags & BG_TINT_BITAND)	912	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
837	{	913	{
838	XGCValues gcv;	914	XGCValues gcv;
839	GC gc;	915	GC gc;
840		916
841	/* In this case we can tint image server-side getting significant	917	/* In this case we can tint image server-side getting significant
…		…
922	/*	998	/*
923	* Builds a pixmap of the same size as the terminal window that contains	999	* Builds a pixmap of the same size as the terminal window that contains
924	* the tiled portion of the root pixmap that is supposed to be covered by	1000	* the tiled portion of the root pixmap that is supposed to be covered by
925	* our window.	1001	* our window.
926	*/	1002	*/
927	unsigned long	1003	bool
928	rxvt_term::make_transparency_pixmap ()	1004	rxvt_term::make_transparency_pixmap ()
929	{	1005	{
930	unsigned long result = 0;	1006	bool ret = false;
931		1007
932	/* root dimensions may change from call to call - but Display structure should	1008	/* root dimensions may change from call to call - but Display structure should
933	* be always up-to-date, so let's use it :	1009	* be always up-to-date, so let's use it :
934	*/	1010	*/
935	int screen = display->screen;	1011	int screen = display->screen;
…		…
1016	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1092	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1017		1093
1018	if (gc)	1094	if (gc)
1019	{	1095	{
1020	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1096	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1021	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1097	ret = true;
		1098	bool need_blur = h_blurRadius && v_blurRadius;
		1099	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
1022		1100
1023	if (!(bg_flags & BG_CLIENT_RENDER))	1101	if (!(bg_flags & BG_CLIENT_RENDER))
1024	{	1102	{
1025	if (bg_flags & BG_NEEDS_BLUR)	1103	if (need_blur)
1026	{	1104	{
1027	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))	1105	if (blur_pixmap (bg_pixmap, window_width, window_height))
1028	result &= ~BG_NEEDS_BLUR;	1106	need_blur = false;
1029	}	1107	}
1030	if (bg_flags & BG_NEEDS_TINT)	1108	if (need_tint)
1031	{	1109	{
1032	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1110	if (tint_pixmap (bg_pixmap, window_width, window_height))
1033	result &= ~BG_NEEDS_TINT;	1111	need_tint = false;
1034	}	1112	}
1035	if (result & BG_NEEDS_TINT)	1113	if (need_tint)
1036	{	1114	{
1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1115	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1038	if (ximage)	1116	if (ximage)
1039	{	1117	{
1040	/* our own client-side tinting */	1118	/* our own client-side tinting */
1041	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1119	tint_ximage (ximage);
1042		1120
1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1121	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1044	XDestroyImage (ximage);	1122	XDestroyImage (ximage);
1045	}	1123	}
1046	}	1124	}
…		…
1050	}	1128	}
1051		1129
1052	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1053	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1054		1132
1055	return result;	1133	return ret;
1056	}	1134	}
1057		1135
1058	void	1136	void
1059	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1060	{	1138	{
…		…
1067	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1068		1146
1069	bool	1147	bool
1070	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1071	{	1149	{
1072	unsigned long tr_flags = 0;
1073
1074	bg_invalidate ();	1150	bg_invalidate ();
1075	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1076	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1077	{	1153	{
1078	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1079	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1080	if (tr_flags)
1081	bg_flags \|= BG_IS_VALID;	1156	bg_flags \|= BG_IS_VALID;
1082	}	1157	}
1083	# endif	1158	# endif
1084		1159
1085	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1086	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++)
1087	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1088	{	1162	{
1089	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1090	bg_flags \|= BG_IS_VALID;	1164	bg_flags \|= BG_IS_VALID;
1091	}	1165	}
1092	# endif	1166	# endif
1093		1167
1094	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
…		…
1128	bg_flags \|= BG_HAS_RENDER_CONV;	1202	bg_flags \|= BG_HAS_RENDER_CONV;
1129		1203
1130	XFree (filters);	1204	XFree (filters);
1131	}	1205	}
1132	#endif	1206	#endif
		1207
		1208	#ifdef BG_IMAGE_FROM_FILE
		1209	if (rs[Rs_backgroundPixmap])
		1210	{
		1211	rxvt_image *image = new_image ();
		1212	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1213	image_vec.pop_back ();
		1214	}
		1215
		1216	# ifndef NO_RESOURCES
		1217	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1218	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1219	while (bg_image != image_vec.end ())
		1220	{
		1221	if (!(bg_image->flags & IM_IS_SET))
		1222	bg_image = image_vec.erase (bg_image);
		1223	else
		1224	{
		1225	if (bg_image->is_size_sensitive ())
		1226	bg_image->flags \|= IM_IS_SIZE_SENSITIVE;
		1227
		1228	bg_image++;
		1229	}
		1230	}
		1231	# endif
		1232
		1233	if (image_vec.size () > 0
		1234	&& !bg_window_position_sensitive ())
		1235	update_background ();
		1236	#endif
1133	}	1237	}
1134		1238
1135	#endif /* HAVE_BG_PIXMAP */	1239	#endif /* HAVE_BG_PIXMAP */
1136		1240
1137	#ifdef ENABLE_TRANSPARENCY	1241	#ifdef ENABLE_TRANSPARENCY
…		…
1148	lookup[i] = (tmp / 0xffff) << sh;	1252	lookup[i] = (tmp / 0xffff) << sh;
1149	}	1253	}
1150	}	1254	}
1151		1255
1152	void	1256	void
1153	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1257	rxvt_term::tint_ximage (XImage *ximage)
1154	{	1258	{
		1259	unsigned int size_r, size_g, size_b;
1155	int sh_r, sh_g, sh_b;	1260	int sh_r, sh_g, sh_b;
1156	uint32_t mask_r, mask_g, mask_b;	1261	uint32_t mask_r, mask_g, mask_b;
1157	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1262	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1158	unsigned short low;	1263	unsigned short low;
1159	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1264	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1164	mask_r = visual->red_mask;	1269	mask_r = visual->red_mask;
1165	mask_g = visual->green_mask;	1270	mask_g = visual->green_mask;
1166	mask_b = visual->blue_mask;	1271	mask_b = visual->blue_mask;
1167		1272
1168	/* boring lookup table pre-initialization */	1273	/* boring lookup table pre-initialization */
1169	switch (ximage->depth)	1274	sh_r = ecb_ctz32 (mask_r);
1170	{	1275	sh_g = ecb_ctz32 (mask_g);
1171	case 15:	1276	sh_b = ecb_ctz32 (mask_b);
1172	if ((mask_r != 0x7c00) \|\|	1277
1173	(mask_g != 0x03e0) \|\|	1278	size_r = mask_r >> sh_r;
1174	(mask_b != 0x001f))	1279	size_g = mask_g >> sh_g;
		1280	size_b = mask_b >> sh_b;
		1281
		1282	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1175	return;	1283	return;
1176	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1284
		1285	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1177	lookup_r = lookup;	1286	lookup_r = lookup;
1178	lookup_g = lookup+32;	1287	lookup_g = lookup + size_r;
1179	lookup_b = lookup+32+32;	1288	lookup_b = lookup + size_r + size_g;
1180	sh_r = 10;
1181	sh_g = 5;
1182	sh_b = 0;
1183	break;
1184	case 16:
1185	if ((mask_r != 0xf800) \|\|
1186	(mask_g != 0x07e0) \|\|
1187	(mask_b != 0x001f))
1188	return;
1189	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1190	lookup_r = lookup;
1191	lookup_g = lookup+32;
1192	lookup_b = lookup+32+64;
1193	sh_r = 11;
1194	sh_g = 5;
1195	sh_b = 0;
1196	break;
1197	case 24:
1198	if ((mask_r != 0xff0000) \|\|
1199	(mask_g != 0x00ff00) \|\|
1200	(mask_b != 0x0000ff))
1201	return;
1202	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1203	lookup_r = lookup;
1204	lookup_g = lookup+256;
1205	lookup_b = lookup+256+256;
1206	sh_r = 16;
1207	sh_g = 8;
1208	sh_b = 0;
1209	break;
1210	case 32:
1211	if ((mask_r != 0xff0000) \|\|
1212	(mask_g != 0x00ff00) \|\|
1213	(mask_b != 0x0000ff))
1214	return;
1215	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1216	lookup_r = lookup;
1217	lookup_g = lookup+256;
1218	lookup_b = lookup+256+256;
1219	sh_r = 16;
1220	sh_g = 8;
1221	sh_b = 0;
1222	break;
1223	default:
1224	return; /* we do not support this color depth */
1225	}
1226		1289
1227	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1290	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1228		1291
1229	if (bg_flags & BG_TINT_SET)	1292	if (bg_flags & BG_TINT_SET)
1230	tint.get (c);	1293	tint.get (c);
…		…
1252	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1315	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1253	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1316	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1254		1317
1255	/* apply table to input image (replacing colors by newly calculated ones) */	1318	/* apply table to input image (replacing colors by newly calculated ones) */
1256	if (ximage->bits_per_pixel == 32	1319	if (ximage->bits_per_pixel == 32
1257	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1258	&& ximage->byte_order == host_byte_order)	1320	&& ximage->byte_order == host_byte_order)
1259	{	1321	{
1260	uint32_t p1, pf, p, pl;	1322	char *line = ximage->data;
1261	p1 = (uint32_t *) ximage->data;
1262	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1263		1323
1264	while (p1 < pf)	1324	for (int y = 0; y < ximage->height; y++)
1265	{	1325	{
1266	p = p1;	1326	uint32_t p = (uint32_t )line;
1267	pl = p1 + ximage->width;	1327	for (int x = 0; x < ximage->width; x++)
1268	for (; p < pl; p++)
1269	{	1328	{
1270	p = lookup_r[(p & 0xff0000) >> 16] \|	1329	p = lookup_r[(p & mask_r) >> sh_r] \|
1271	lookup_g[(*p & 0x00ff00) >> 8] \|	1330	lookup_g[(*p & mask_g) >> sh_g] \|
1272	lookup_b[(*p & 0x0000ff)] \|	1331	lookup_b[(*p & mask_b) >> sh_b];
1273	(*p & 0xff000000);	1332	p++;
1274	}	1333	}
1275	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1334	line += ximage->bytes_per_line;
1276	}	1335	}
1277	}	1336	}
1278	else	1337	else
1279	{	1338	{
1280	for (int y = 0; y < ximage->height; y++)	1339	for (int y = 0; y < ximage->height; y++)

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.201 by sf-exg, Sat Feb 4 21:47:06 2012 UTC vs. Revision 1.225 by sf-exg, Wed May 30 21:20:05 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.201 by sf-exg, Sat Feb 4 21:47:06 2012 UTC vs.
Revision 1.225 by sf-exg, Wed May 30 21:20:05 2012 UTC