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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 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	# if BG_IMAGE_FROM_FILE
64	if (pixbuf)	64	fimage.destroy ();
65	g_object_unref (pixbuf);
66	#endif	65	# endif
67		66
68	if (bg_pixmap)	67	if (bg_pixmap)
69	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
70	}	69	}
71		70
…		…
84	}	83	}
85		84
86	bool	85	bool
87	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
88	{	87	{
89	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
90	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
91	return true;	90	return true;
92	# endif	91	# endif
93		92
94	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
95	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
96	{	95	{
97	if (bg_flags & BG_IS_SIZE_SENSITIVE)	96	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		97	\|\| fimage.width () > szHint.width
		98	\|\| fimage.height () > szHint.height)
98	return true;	99	return true;
99	}	100	}
100	# endif	101	# endif
101		102
102	return false;	103	return false;
103	}	104	}
104		105
105	bool	106	bool
106	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
107	{	108	{
108	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
109	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
110	return true;	111	return true;
111	# endif	112	# endif
112		113
113	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
114	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
115	{	116	{
116	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
117	return true;	118	return true;
118	}	119	}
119	# endif	120	# endif
120		121
121	return false;	122	return false;
122	}	123	}
123		124
124	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
125	static inline int	126	static inline int
126	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
127	{	128	{
128	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
129	return lerp (0, window_size - image_size, align);	130	return lerp (0, window_size - image_size, align);
…		…
148		149
149	min_it (dst_size, target_size - dst_pos);	150	min_it (dst_size, target_size - dst_pos);
150	return src_pos;	151	return src_pos;
151	}	152	}
152		153
		154	static void
		155	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		156	{
		157	if (!strcasecmp (style, "tiled"))
		158	{
		159	flags = IM_TILE;
		160	w = h = noScale;
		161	x = y = 0;
		162	}
		163	else if (!strcasecmp (style, "aspect-stretched"))
		164	{
		165	flags = IM_KEEP_ASPECT;
		166	w = h = windowScale;
		167	x = y = centerAlign;
		168	}
		169	else if (!strcasecmp (style, "stretched"))
		170	{
		171	flags = 0;
		172	w = h = windowScale;
		173	x = y = centerAlign;
		174	}
		175	else if (!strcasecmp (style, "centered"))
		176	{
		177	flags = 0;
		178	w = h = noScale;
		179	x = y = centerAlign;
		180	}
		181	else if (!strcasecmp (style, "root-tiled"))
		182	{
		183	flags = IM_TILE\|IM_ROOT_ALIGN;
		184	w = h = noScale;
		185	x = y = 0;
		186	}
		187	}
		188
153	bool	189	bool
154	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
155	{	191	{
156	bool changed = false;	192	bool changed = false;
157	int geom_flags = 0;	193	int geom_flags = 0;
158	int x = h_align;	194	int x = h_align;
159	int y = v_align;	195	int y = v_align;
160	unsigned int w = h_scale;	196	unsigned int w = h_scale;
161	unsigned int h = v_scale;	197	unsigned int h = v_scale;
162	unsigned long new_flags = 0;	198	uint8_t new_flags = 0;
163		199
164	if (geom == NULL)	200	if (geom == NULL)
165	return false;	201	return false;
166		202
167	if (geom[0])	203	if (geom[0])
168	{	204	{
169	char **arr = rxvt_strsplit (':', geom);	205	char **arr = rxvt_strsplit (':', geom);
170		206
171	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
172	{	208	{
173	if (!strcasecmp (arr[i], "style=tiled"))	209	if (!strncasecmp (arr[i], "style=", 6))
174	{	210	{
175	new_flags = BG_TILE;	211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
176	w = h = noScale;
177	x = y = 0;
178	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	212	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
179	}	213	}
180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
181	{
182	new_flags = BG_KEEP_ASPECT;
183	w = h = windowScale;
184	x = y = centerAlign;
185	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
186	}
187	else if (!strcasecmp (arr[i], "style=stretched"))
188	{
189	new_flags = 0;
190	w = h = windowScale;
191	geom_flags = WidthValue\|HeightValue;
192	}
193	else if (!strcasecmp (arr[i], "style=centered"))
194	{
195	new_flags = 0;
196	w = h = noScale;
197	x = y = centerAlign;
198	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
199	}
200	else if (!strcasecmp (arr[i], "style=root-tiled"))
201	{
202	new_flags = BG_TILE\|BG_ROOT_ALIGN;
203	w = h = noScale;
204	geom_flags = WidthValue\|HeightValue;
205	}
206	else if (!strcasecmp (arr[i], "op=tile"))	214	else if (!strcasecmp (arr[i], "op=tile"))
207	new_flags \|= BG_TILE;	215	new_flags \|= IM_TILE;
208	else if (!strcasecmp (arr[i], "op=keep-aspect"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
209	new_flags \|= BG_KEEP_ASPECT;	217	new_flags \|= IM_KEEP_ASPECT;
210	else if (!strcasecmp (arr[i], "op=root-align"))	218	else if (!strcasecmp (arr[i], "op=root-align"))
211	new_flags \|= BG_ROOT_ALIGN;	219	new_flags \|= IM_ROOT_ALIGN;
212		220
213	// deprecated	221	// deprecated
214	else if (!strcasecmp (arr[i], "tile"))	222	else if (!strcasecmp (arr[i], "tile"))
215	{	223	{
216	new_flags \|= BG_TILE;	224	new_flags \|= IM_TILE;
217	w = h = noScale;	225	w = h = noScale;
218	geom_flags \|= WidthValue\|HeightValue;	226	geom_flags \|= WidthValue\|HeightValue;
219	}	227	}
220	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
221	{	229	{
222	new_flags \|= BG_KEEP_ASPECT;	230	new_flags \|= IM_KEEP_ASPECT;
223	w = h = windowScale;	231	w = h = windowScale;
224	geom_flags \|= WidthValue\|HeightValue;	232	geom_flags \|= WidthValue\|HeightValue;
225	}	233	}
226	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
227	{	235	{
228	new_flags \|= BG_TILE;	236	new_flags \|= IM_TILE;
229	w = windowScale;	237	w = windowScale;
230	h = noScale;	238	h = noScale;
231	geom_flags \|= WidthValue\|HeightValue;	239	geom_flags \|= WidthValue\|HeightValue;
232	}	240	}
233	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
234	{	242	{
235	new_flags \|= BG_TILE;	243	new_flags \|= IM_TILE;
236	h = windowScale;	244	h = windowScale;
237	w = noScale;	245	w = noScale;
238	geom_flags \|= WidthValue\|HeightValue;	246	geom_flags \|= WidthValue\|HeightValue;
239	}	247	}
240	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
248	x = y = centerAlign;	256	x = y = centerAlign;
249	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	257	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
250	}	258	}
251	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
252	{	260	{
253	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;	261	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
254	w = h = noScale;	262	w = h = noScale;
255	geom_flags \|= WidthValue\|HeightValue;	263	geom_flags \|= WidthValue\|HeightValue;
256	}	264	}
257		265
258	else	266	else
…		…
260	} /* done parsing ops */	268	} /* done parsing ops */
261		269
262	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
263	}	271	}
264		272
265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;	273	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
266		274
267	if (!update)	275	if (!update)
268	{	276	{
269	if (!(geom_flags & XValue))	277	if (!(geom_flags & XValue))
270	x = y = defaultAlign;	278	x = y = defaultAlign;
…		…
277	h = w;	285	h = w;
278	else if (!(geom_flags & WidthValue))	286	else if (!(geom_flags & WidthValue))
279	w = h;	287	w = h;
280	}	288	}
281		289
282	min_it (w, 1000);
283	min_it (h, 1000);
284	clamp_it (x, -100, 200);	290	clamp_it (x, -100, 200);
285	clamp_it (y, -100, 200);	291	clamp_it (y, -100, 200);
286		292
287	if (bg_flags != new_flags	293	if (flags != new_flags
288	\|\| h_scale != w	294	\|\| h_scale != w
289	\|\| v_scale != h	295	\|\| v_scale != h
290	\|\| h_align != x	296	\|\| h_align != x
291	\|\| v_align != y)	297	\|\| v_align != y)
292	{	298	{
293	bg_flags = new_flags;	299	flags = new_flags;
294	h_scale = w;	300	h_scale = w;
295	v_scale = h;	301	v_scale = h;
296	h_align = x;	302	h_align = x;
297	v_align = y;	303	v_align = y;
298	changed = true;	304	changed = true;
299	}	305	}
300		306
		307	if (is_size_sensitive ())
		308	flags \|= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
301	return changed;	312	return changed;
302	}	313	}
303		314
304	void	315	void
305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	316	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
306	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
307	int target_width = szHint.width;	320	int target_width = szHint.width;
308	int target_height = szHint.height;	321	int target_height = szHint.height;
		322	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		323	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
309		324
310	w = h_scale * target_width / 100;	325	w = h_scale * target_width / 100;
311	h = v_scale * target_height / 100;	326	h = v_scale * target_height / 100;
312		327
313	if (bg_flags & BG_KEEP_ASPECT)	328	if (image.flags & IM_KEEP_ASPECT)
314	{	329	{
315	float scale = (float)w / image_width;	330	float scale = (float)w / image_width;
316	min_it (scale, (float)h / image_height);	331	min_it (scale, (float)h / image_height);
317	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
318	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
319	}	334	}
320		335
321	if (!w) w = image_width;	336	if (!w) w = image_width;
322	if (!h) h = image_height;	337	if (!h) h = image_height;
323		338
324	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
325	{	340	{
326	x = -target_x;	341	x = -target_x;
327	y = -target_y;	342	y = -target_y;
328	}	343	}
329	else	344	else
330	{	345	{
331	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
332	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
333	}	348	}
334
335	if (!(bg_flags & BG_TILE)
336	\|\| h_scale \|\| v_scale
337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
338	\|\| image_width > target_width \|\| image_height > target_height)
339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
340	else
341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
342	}	349	}
343		350
344	# ifdef HAVE_PIXBUF	351	# if HAVE_PIXBUF
345	bool	352	bool
346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
347	int src_x, int src_y, int dst_x, int dst_y,	354	int src_x, int src_y, int dst_x, int dst_y,
348	unsigned int width, unsigned int height)	355	unsigned int width, unsigned int height, bool argb)
349	{	356	{
350	XImage *ximage;	357	XImage *ximage;
351	char data, line;	358	char *line;
352	int bytes_per_pixel;
353	int width_r, width_g, width_b, width_a;	359	int width_r, width_g, width_b, width_a;
354	int sh_r, sh_g, sh_b, sh_a;	360	int sh_r, sh_g, sh_b, sh_a;
355	uint32_t alpha_mask;	361	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
356	int rowstride;	362	int rowstride;
357	int channels;	363	int channels;
358	unsigned char *row;	364	unsigned char *row;
359		365
360	if (visual->c_class != TrueColor)	366	if (visual->c_class != TrueColor)
361	return false;	367	return false;
362		368
		369	if (argb)
		370	{
		371	red_mask = 0xff << 16;
		372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
		375	}
		376	else
		377	{
		378	red_mask = visual->red_mask;
		379	green_mask = visual->green_mask;
		380	blue_mask = visual->blue_mask;
363	#if XRENDER	381	#if XRENDER
364	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	382	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
365	if (format)	383	if (format)
366	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
367	else	385	else
368	#endif	386	#endif
369	alpha_mask = 0;	387	alpha_mask = 0;
		388	}
370		389
371	if (depth == 24 \|\| depth == 32)
372	bytes_per_pixel = 4;
373	else if (depth == 15 \|\| depth == 16)
374	bytes_per_pixel = 2;
375	else
376	return false;
377
378	width_r = ecb_popcount32 (visual->red_mask);	390	width_r = ecb_popcount32 (red_mask);
379	width_g = ecb_popcount32 (visual->green_mask);	391	width_g = ecb_popcount32 (green_mask);
380	width_b = ecb_popcount32 (visual->blue_mask);	392	width_b = ecb_popcount32 (blue_mask);
381	width_a = ecb_popcount32 (alpha_mask);	393	width_a = ecb_popcount32 (alpha_mask);
382		394
383	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)	395	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
384	return false;	396	return false;
385		397
386	sh_r = ecb_ctz32 (visual->red_mask);	398	sh_r = ecb_ctz32 (red_mask);
387	sh_g = ecb_ctz32 (visual->green_mask);	399	sh_g = ecb_ctz32 (green_mask);
388	sh_b = ecb_ctz32 (visual->blue_mask);	400	sh_b = ecb_ctz32 (blue_mask);
389	sh_a = ecb_ctz32 (alpha_mask);	401	sh_a = ecb_ctz32 (alpha_mask);
390		402
391	if (width > INT_MAX / height / bytes_per_pixel)	403	if (width > 32767 \|\| height > 32767)
392	return false;	404	return false;
393		405
394	data = (char )malloc (width height * bytes_per_pixel);	406	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
395	if (!data)	407	width, height, 32, 0);
		408	if (!ximage)
396	return false;	409	return false;
397		410
398	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	411	if (height > INT_MAX / ximage->bytes_per_line
399	width, height, bytes_per_pixel * 8, 0);	412	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
400	if (!ximage)
401	{	413	{
402	free (data);	414	XDestroyImage (ximage);
403	return false;	415	return false;
404	}	416	}
405		417
406	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	418	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
407		419
408	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	420	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
409	channels = gdk_pixbuf_get_n_channels (pixbuf);	421	channels = gdk_pixbuf_get_n_channels (pixbuf);
410	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	422	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
411	line = data;	423	line = ximage->data;
412		424
413	rgba c (0, 0, 0);	425	rgba c (0, 0, 0);
414		426
415	if (channels == 4 && alpha_mask == 0)	427	if (channels == 4 && alpha_mask == 0)
416	{	428	{
…		…
446	value = ((r >> (8 - width_r)) << sh_r)	458	value = ((r >> (8 - width_r)) << sh_r)
447	\| ((g >> (8 - width_g)) << sh_g)	459	\| ((g >> (8 - width_g)) << sh_g)
448	\| ((b >> (8 - width_b)) << sh_b)	460	\| ((b >> (8 - width_b)) << sh_b)
449	\| ((a >> (8 - width_a)) << sh_a);	461	\| ((a >> (8 - width_a)) << sh_a);
450		462
451	if (bytes_per_pixel == 4)	463	if (ximage->bits_per_pixel == 32)
452	((uint32_t *)line)[x] = value;	464	((uint32_t *)line)[x] = value;
453	else	465	else
454	((uint16_t *)line)[x] = value;	466	XPutPixel (ximage, x, y, value);
455	}	467	}
456		468
457	row += rowstride;	469	row += rowstride;
458	line += ximage->bytes_per_line;	470	line += ximage->bytes_per_line;
459	}	471	}
…		…
462	XDestroyImage (ximage);	474	XDestroyImage (ximage);
463	return true;	475	return true;
464	}	476	}
465		477
466	bool	478	bool
467	rxvt_term::render_image (bool transparent)	479	rxvt_term::render_image (rxvt_image &image)
468	{	480	{
		481	GdkPixbuf *pixbuf = image.pixbuf;
469	if (!pixbuf)	482	if (!pixbuf)
470	return false;	483	return false;
471		484
472	if (transparent	485	bool need_blend = bg_flags & BG_IS_VALID;
		486
		487	if (need_blend
473	&& !(bg_flags & BG_HAS_RENDER))	488	&& !(display->flags & DISPLAY_HAS_RENDER))
474	return false;	489	return false;
475		490
476	GdkPixbuf *result;	491	GdkPixbuf *result;
477		492
478	int image_width = gdk_pixbuf_get_width (pixbuf);	493	int image_width = gdk_pixbuf_get_width (pixbuf);
…		…
486	int x = 0;	501	int x = 0;
487	int y = 0;	502	int y = 0;
488	int w = 0;	503	int w = 0;
489	int h = 0;	504	int h = 0;
490		505
491	get_image_geometry (image_width, image_height, w, h, x, y);	506	get_image_geometry (image, w, h, x, y);
492		507
493	if (!(bg_flags & BG_ROOT_ALIGN)	508	if (!(image.flags & IM_ROOT_ALIGN)
494	&& (x >= target_width	509	&& (x >= target_width
495	\|\| y >= target_height	510	\|\| y >= target_height
496	\|\| x + w <= 0	511	\|\| x + w <= 0
497	\|\| y + h <= 0))	512	\|\| y + h <= 0))
498	return false;	513	return false;
…		…
512		527
513	bool ret = false;	528	bool ret = false;
514		529
515	XGCValues gcv;	530	XGCValues gcv;
516	GC gc;	531	GC gc;
517	Pixmap root_pmap;	532	Pixmap tmp_pixmap;
518		533
519	image_width = gdk_pixbuf_get_width (result);	534	image_width = gdk_pixbuf_get_width (result);
520	image_height = gdk_pixbuf_get_height (result);	535	image_height = gdk_pixbuf_get_height (result);
521		536
522	if (transparent)	537	if (need_blend)
523	{	538	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
524	root_pmap = bg_pixmap;
525	bg_pixmap = None;
526	}
527	else	539	else
528	{	540	{
529	if (bg_flags & BG_TILE)	541	if (image.flags & IM_TILE)
530	{	542	{
531	new_pmap_width = min (image_width, target_width);	543	new_pmap_width = min (image_width, target_width);
532	new_pmap_height = min (image_height, target_height);	544	new_pmap_height = min (image_height, target_height);
533	}	545	}
534	}
535		546
536	if (bg_pixmap == None	547	if (bg_pixmap == None
537	\|\| bg_pmap_width != new_pmap_width	548	\|\| bg_pmap_width != new_pmap_width
538	\|\| bg_pmap_height != new_pmap_height)	549	\|\| bg_pmap_height != new_pmap_height)
539	{	550	{
540	if (bg_pixmap)	551	if (bg_pixmap)
541	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
542	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
543	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
544	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
		556	}
		557
		558	tmp_pixmap = bg_pixmap;
545	}	559	}
546		560
547	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
548	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
549		563
550	if (gc)	564	if (gc)
551	{	565	{
552	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
553	{	567	{
554	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
555	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
556	0, 0,	570	0, 0,
557	0, 0,	571	0, 0,
558	image_width, image_height);	572	image_width, image_height, need_blend);
559		573
560	gcv.tile = tile;	574	gcv.tile = tile;
561	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
562	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
563	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
564	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
565		579
566	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	580	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
567	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
568	}	582	}
569	else	583	else
570	{	584	{
571	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
575	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	589	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
576		590
577	if (dst_x > 0 \|\| dst_y > 0	591	if (dst_x > 0 \|\| dst_y > 0
578	\|\| dst_x + dst_width < new_pmap_width	592	\|\| dst_x + dst_width < new_pmap_width
579	\|\| dst_y + dst_height < new_pmap_height)	593	\|\| dst_y + dst_height < new_pmap_height)
580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	594	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
581		595
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
584	src_x, src_y,	598	src_x, src_y,
585	dst_x, dst_y,	599	dst_x, dst_y,
586	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
587	}	601	}
		602
		603	if (image.need_blur ())
		604	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		605	if (image.need_tint ())
		606	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
588		607
589	#if XRENDER	608	#if XRENDER
590	if (transparent)	609	if (need_blend)
591	{	610	{
		611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
592	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
593		613
594	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
595		615
596	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
597		617
598	Picture mask = create_xrender_mask (dpy, vt, False, False);	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
599		619
600	XRenderColor mask_c;	620	XRenderColor mask_c;
601		621
602	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
603	mask_c.red =	623	mask_c.red =
604	mask_c.green =	624	mask_c.green =
605	mask_c.blue = 0;	625	mask_c.blue = 0;
606	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
607		627
…		…
619	}	639	}
620		640
621	if (result != pixbuf)	641	if (result != pixbuf)
622	g_object_unref (result);	642	g_object_unref (result);
623		643
624	if (transparent)	644	if (need_blend)
625	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
626		646
627	return ret;	647	return ret;
628	}	648	}
629	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
630		650
		651	rxvt_image::rxvt_image ()
		652	{
		653	alpha = 0xffff;
		654	flags = 0;
		655	h_scale =
		656	v_scale = defaultScale;
		657	h_align =
		658	v_align = defaultAlign;
		659
		660	# if HAVE_PIXBUF
		661	pixbuf = 0;
		662	# endif
		663	}
		664
631	bool	665	bool
632	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
633	{	667	{
634	if (!file \|\| !*file)	668	if (!file \|\| !*file)
635	return false;	669	return false;
636		670
637	bool ret = false;
638	const char *p = strchr (file, ';');	671	const char *p = strchr (file, ';');
639		672
640	if (p)	673	if (p)
641	{	674	{
642	size_t len = p - file;	675	size_t len = p - file;
…		…
644	memcpy (f, file, len);	677	memcpy (f, file, len);
645	f[len] = '\0';	678	f[len] = '\0';
646	file = f;	679	file = f;
647	}	680	}
648		681
		682	bool ret = set_file (file);
		683	alpha = 0x8000;
		684	if (ret)
		685	set_geometry (p ? p + 1 : "");
		686	return ret;
		687	}
		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
649	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
650	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
651	if (image)	696	if (image)
652	{	697	{
653	if (pixbuf)	698	if (pixbuf)
654	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
655	pixbuf = image;	700	pixbuf = image;
656	bg_flags \|= BG_IS_FROM_FILE;
657	ret = true;	701	ret = true;
658	}	702	}
659	# endif	703	# endif
660		704
661	if (ret)	705	if (ret)
662	{	706	flags \|= IM_IS_SET;
663	if (p)
664	bg_set_geometry (p + 1);
665	else
666	bg_set_default_geometry ();
667	}
668		707
669	return ret;	708	return ret;
670	}	709	}
671		710
672	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
673		712
674	# ifdef ENABLE_TRANSPARENCY
675	bool	713	bool
676	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
677	{
678	if (!(bg_flags & BG_IS_TRANSPARENT))
679	{
680	bg_flags \|= BG_IS_TRANSPARENT;
681	return true;
682	}
683
684	return false;
685	}
686
687	bool
688	rxvt_term::bg_set_blur (const char *geom)
689	{	715	{
690	bool changed = false;	716	bool changed = false;
691	unsigned int hr, vr;	717	unsigned int hr, vr;
692	int junk;	718	int junk;
693	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
710	{	736	{
711	changed = true;	737	changed = true;
712	v_blurRadius = vr;	738	v_blurRadius = vr;
713	}	739	}
714		740
715	if (h_blurRadius && v_blurRadius)
716	bg_flags \|= BG_NEEDS_BLUR;
717	else
718	bg_flags &= ~BG_NEEDS_BLUR;
719
720	return changed;	741	return changed;
721	}	742	}
722		743
723	void
724	rxvt_term::set_tint_shade_flags ()
725	{
726	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
727	bg_flags \|= BG_NEEDS_TINT;
728	else
729	bg_flags &= ~BG_NEEDS_TINT;
730	}
731
732	bool	744	bool
733	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
734	{	746	{
735	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)	747	if (!tint_set \|\| tint != new_tint)
736	{	748	{
737	tint = new_tint;	749	tint = new_tint;
738	bg_flags \|= BG_TINT_SET;	750	tint_set = true;
739		751
740	rgba c;
741	tint.get (c);
742	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
743	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
744	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
745	bg_flags \|= BG_TINT_BITAND;
746	else
747	bg_flags &= ~BG_TINT_BITAND;
748
749	set_tint_shade_flags ();
750	return true;	752	return true;
751	}	753	}
752		754
753	return false;	755	return false;
754	}	756	}
755		757
756	bool	758	bool
757	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
758	{	760	{
759	int new_shade = atoi (shade_str);	761	int new_shade = atoi (shade_str);
760		762
761	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
762	if (new_shade < 0)	764	if (new_shade < 0)
763	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
764		766
765	if (new_shade != shade)	767	if (new_shade != shade)
766	{	768	{
767	shade = new_shade;	769	shade = new_shade;
768	set_tint_shade_flags ();
769	return true;	770	return true;
770	}	771	}
771		772
772	return false;	773	return false;
773	}	774	}
…		…
794	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
795	}	796	}
796	#endif	797	#endif
797		798
798	bool	799	bool
799	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
800	{	801	{
801	bool ret = false;	802	bool ret = false;
802	#if XRENDER	803	#if XRENDER
803	if (!(bg_flags & BG_HAS_RENDER_CONV))	804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
804	return false;	805	return false;
805		806
806	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
807	double kernel = (double )malloc (size * sizeof (double));	808	double kernel = (double )malloc (size * sizeof (double));
808	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	809	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
809		810
810	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
811	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
812		814
813	pa.repeat = RepeatPad;	815	pa.repeat = RepeatPad;
814	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);	816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
815	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);	817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
816	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
…		…
859	#endif	861	#endif
860	return ret;	862	return ret;
861	}	863	}
862		864
863	bool	865	bool
864	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	866	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
865	{	867	{
866	bool ret = false;	868	bool ret = false;
867		869
868	if (shade == 100 && (bg_flags & BG_TINT_BITAND))	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		871
		872	if (tint_set)
		873	tint.get (c);
		874
		875	if (shade == 100
		876	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
		877	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
		878	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
869	{	879	{
870	XGCValues gcv;	880	XGCValues gcv;
871	GC gc;	881	GC gc;
872		882
873	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
883	ret = true;	893	ret = true;
884	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
885	}	895	}
886	}	896	}
887	# if XRENDER	897	# if XRENDER
888	else if (bg_flags & BG_HAS_RENDER)	898	else if (display->flags & DISPLAY_HAS_RENDER)
889	{	899	{
890	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
891
892	if (bg_flags & BG_TINT_SET)
893	tint.get (c);
894
895	if (shade <= 100)	900	if (shade <= 100)
896	{	901	{
897	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
898	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
899	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
903	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
904	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
905	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
906	}	911	}
907		912
908	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		914	: XRenderFindVisualFormat (dpy, visual);
909		915
910	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
911		917
912	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
913		919
…		…
949	# endif	955	# endif
950		956
951	return ret;	957	return ret;
952	}	958	}
953		959
		960	# if ENABLE_TRANSPARENCY
954	/*	961	/*
955	* Builds a pixmap of the same size as the terminal window that contains	962	* Builds a pixmap of the same size as the terminal window that contains
956	* the tiled portion of the root pixmap that is supposed to be covered by	963	* the tiled portion of the root pixmap that is supposed to be covered by
957	* our window.	964	* our window.
958	*/	965	*/
959	bool	966	bool
960	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
961	{	968	{
962	bool ret = false;	969	bool ret = false;
963		970
964	/* root dimensions may change from call to call - but Display structure should	971	/* root dimensions may change from call to call - but Display structure should
965	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
…		…
1001	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1002		1009
1003	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1004	{	1011	{
1005	#if XRENDER	1012	#if XRENDER
1006	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1007	{	1014	{
1008	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1015	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1009		1016
1010	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1011	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
…		…
1049		1056
1050	if (gc)	1057	if (gc)
1051	{	1058	{
1052	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1053	ret = true;	1060	ret = true;
1054	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;	1061	bool need_blur = root_effects.need_blur ();
		1062	bool need_tint = root_effects.need_tint ();
1055		1063
1056	if (!(bg_flags & BG_CLIENT_RENDER))	1064	if (need_blur)
		1065	{
		1066	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1067	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1068	need_blur = false;
1057	{	1069	}
1058	if (bg_flags & BG_NEEDS_BLUR)	1070	if (need_tint)
		1071	{
		1072	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1073	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1074	need_tint = false;
		1075	}
		1076	if (need_tint)
		1077	{
		1078	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1079	if (ximage)
1059	{	1080	{
1060	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))	1081	/* our own client-side tinting */
1061	tr_flags &= ~BG_NEEDS_BLUR;	1082	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1083
		1084	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1085	XDestroyImage (ximage);
1062	}	1086	}
1063	if (bg_flags & BG_NEEDS_TINT)
1064	{
1065	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1066	tr_flags &= ~BG_NEEDS_TINT;
1067	}	1087	}
1068	if (tr_flags & BG_NEEDS_TINT)
1069	{
1070	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1071	if (ximage)
1072	{
1073	/* our own client-side tinting */
1074	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1075
1076	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1077	XDestroyImage (ximage);
1078	}
1079	}
1080	} /* server side rendering completed */
1081		1088
1082	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1083	}	1090	}
1084		1091
1085	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
…		…
1089	}	1096	}
1090		1097
1091	void	1098	void
1092	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1093	{	1100	{
1094	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1095	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1096	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1097		1104
1098	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1099	}	1106	}
1100	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1101		1108
1102	bool	1109	void
1103	rxvt_term::bg_render ()	1110	rxvt_term::bg_render ()
1104	{	1111	{
1105	bool transparent = false;
1106
1107	bg_invalidate ();	1112	bg_invalidate ();
1108	# ifdef ENABLE_TRANSPARENCY	1113	# if ENABLE_TRANSPARENCY
1109	if (bg_flags & BG_IS_TRANSPARENT)	1114	if (bg_flags & BG_IS_TRANSPARENT)
1110	{	1115	{
1111	/* we need to re-generate transparency pixmap in that case ! */	1116	/* we need to re-generate transparency pixmap in that case ! */
1112	transparent = make_transparency_pixmap ();	1117	if (render_root_image ())
1113	if (transparent)
1114	bg_flags \|= BG_IS_VALID;	1118	bg_flags \|= BG_IS_VALID;
1115	}	1119	}
1116	# endif	1120	# endif
1117		1121
1118	# ifdef BG_IMAGE_FROM_FILE	1122	# if BG_IMAGE_FROM_FILE
1119	if (bg_flags & BG_IS_FROM_FILE)	1123	if (fimage.flags & IM_IS_SET)
1120	{	1124	{
1121	if (render_image (transparent))	1125	if (render_image (fimage))
1122	bg_flags \|= BG_IS_VALID;	1126	bg_flags \|= BG_IS_VALID;
1123	}	1127	}
1124	# endif	1128	# endif
1125		1129
1126	if (!(bg_flags & BG_IS_VALID))	1130	if (!(bg_flags & BG_IS_VALID))
…		…
1134		1138
1135	scr_recolour (false);	1139	scr_recolour (false);
1136	bg_flags \|= BG_NEEDS_REFRESH;	1140	bg_flags \|= BG_NEEDS_REFRESH;
1137		1141
1138	bg_valid_since = ev::now ();	1142	bg_valid_since = ev::now ();
1139
1140	return true;
1141	}	1143	}
1142		1144
1143	void	1145	void
1144	rxvt_term::bg_init ()	1146	rxvt_term::bg_init ()
1145	{	1147	{
1146	#ifdef ENABLE_TRANSPARENCY	1148	#if BG_IMAGE_FROM_FILE
1147	shade = 100;	1149	if (rs[Rs_backgroundPixmap])
		1150	{
		1151	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1152	&& !bg_window_position_sensitive ())
		1153	update_background ();
		1154	}
1148	#endif	1155	#endif
1149
1150	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1151	#if XRENDER
1152	int major, minor;
1153	if (XRenderQueryVersion (dpy, &major, &minor))
1154	bg_flags \|= BG_HAS_RENDER;
1155	XFilters *filters = XRenderQueryFilters (dpy, vt);
1156	if (filters)
1157	{
1158	for (int i = 0; i < filters->nfilter; i++)
1159	if (!strcmp (filters->filter[i], FilterConvolution))
1160	bg_flags \|= BG_HAS_RENDER_CONV;
1161
1162	XFree (filters);
1163	}
1164	#endif
1165	}	1156	}
1166		1157
1167	#endif /* HAVE_BG_PIXMAP */
1168
1169	#ifdef ENABLE_TRANSPARENCY
1170	/* based on code from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1171		1159
1172	static inline void	1160	static inline void
1173	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1161	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1174	{	1162	{
…		…
1180	lookup[i] = (tmp / 0xffff) << sh;	1168	lookup[i] = (tmp / 0xffff) << sh;
1181	}	1169	}
1182	}	1170	}
1183		1171
1184	void	1172	void
1185	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1173	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1186	{	1174	{
		1175	unsigned int size_r, size_g, size_b;
1187	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1188	uint32_t mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1189	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1178	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1190	unsigned short low;	1179	unsigned short low;
1191	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1196	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1197	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1198	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1199		1188
1200	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1201	switch (ximage->depth)	1190	sh_r = ecb_ctz32 (mask_r);
1202	{	1191	sh_g = ecb_ctz32 (mask_g);
1203	case 15:	1192	sh_b = ecb_ctz32 (mask_b);
1204	if ((mask_r != 0x7c00) \|\|	1193
1205	(mask_g != 0x03e0) \|\|	1194	size_r = mask_r >> sh_r;
1206	(mask_b != 0x001f))	1195	size_g = mask_g >> sh_g;
		1196	size_b = mask_b >> sh_b;
		1197
		1198	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1207	return;	1199	return;
1208	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1200
		1201	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1209	lookup_r = lookup;	1202	lookup_r = lookup;
1210	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1211	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1212	sh_r = 10;
1213	sh_g = 5;
1214	sh_b = 0;
1215	break;
1216	case 16:
1217	if ((mask_r != 0xf800) \|\|
1218	(mask_g != 0x07e0) \|\|
1219	(mask_b != 0x001f))
1220	return;
1221	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1222	lookup_r = lookup;
1223	lookup_g = lookup+32;
1224	lookup_b = lookup+32+64;
1225	sh_r = 11;
1226	sh_g = 5;
1227	sh_b = 0;
1228	break;
1229	case 24:
1230	if ((mask_r != 0xff0000) \|\|
1231	(mask_g != 0x00ff00) \|\|
1232	(mask_b != 0x0000ff))
1233	return;
1234	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1235	lookup_r = lookup;
1236	lookup_g = lookup+256;
1237	lookup_b = lookup+256+256;
1238	sh_r = 16;
1239	sh_g = 8;
1240	sh_b = 0;
1241	break;
1242	case 32:
1243	if ((mask_r != 0xff0000) \|\|
1244	(mask_g != 0x00ff00) \|\|
1245	(mask_b != 0x0000ff))
1246	return;
1247	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1248	lookup_r = lookup;
1249	lookup_g = lookup+256;
1250	lookup_b = lookup+256+256;
1251	sh_r = 16;
1252	sh_g = 8;
1253	sh_b = 0;
1254	break;
1255	default:
1256	return; /* we do not support this color depth */
1257	}
1258		1205
1259	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1260		1207
1261	if (bg_flags & BG_TINT_SET)	1208	if (tint_set)
1262	tint.get (c);	1209	tint.get (c);
1263		1210
1264	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1265	if (shade > 100)	1212	if (shade > 100)
1266	{	1213	{
…		…
1284	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1285	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1286		1233
1287	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1288	if (ximage->bits_per_pixel == 32	1235	if (ximage->bits_per_pixel == 32
1289	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1290	&& ximage->byte_order == host_byte_order)	1236	&& ximage->byte_order == host_byte_order)
1291	{	1237	{
1292	char *line = ximage->data;	1238	char *line = ximage->data;
1293		1239
1294	for (int y = 0; y < ximage->height; y++)	1240	for (int y = 0; y < ximage->height; y++)
1295	{	1241	{
1296	uint32_t p = (uint32_t )line;	1242	uint32_t p = (uint32_t )line;
1297	for (int x = 0; x < ximage->width; x++)	1243	for (int x = 0; x < ximage->width; x++)
1298	{	1244	{
1299	p = lookup_r[(p & 0xff0000) >> 16] \|	1245	p = lookup_r[(p & mask_r) >> sh_r] \|
1300	lookup_g[(*p & 0x00ff00) >> 8] \|	1246	lookup_g[(*p & mask_g) >> sh_g] \|
1301	lookup_b[(*p & 0x0000ff)] \|	1247	lookup_b[(*p & mask_b) >> sh_b];
1302	(*p & 0xff000000);
1303	p++;	1248	p++;
1304	}	1249	}
1305	line += ximage->bytes_per_line;	1250	line += ximage->bytes_per_line;
1306	}	1251	}
1307	}	1252	}
…		…
1318	}	1263	}
1319	}	1264	}
1320		1265
1321	free (lookup);	1266	free (lookup);
1322	}	1267	}
1323	#endif /* ENABLE_TRANSPARENCY */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC vs. Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.208 by sf-exg, Fri May 11 08:16:58 2012 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC