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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 2011 UTC vs.
Revision 1.235 by sf-exg, Thu Jun 7 09:34:51 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	# if BG_IMAGE_FROM_FILE
42	if (original_asim)	64	fimage.destroy ();
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	65	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		66
55	if (bg_pixmap)	67	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
57	}	69	}
58		70
…		…
71	}	83	}
72		84
73	bool	85	bool
74	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
75	{	87	{
76	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
77	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	90	return true;
79	# endif	91	# endif
80		92
81	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
83	{	95	{
84	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)
85	return true;	99	return true;
86	}	100	}
87	# endif	101	# endif
88		102
89	return false;	103	return false;
90	}	104	}
91		105
92	bool	106	bool
93	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
94	{	108	{
95	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
96	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	111	return true;
98	# endif	112	# endif
99		113
100	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
102	{	116	{
103	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
104	return true;	118	return true;
105	}	119	}
106	# endif	120	# endif
107		121
108	return false;	122	return false;
109	}	123	}
110		124
111	# ifdef BG_IMAGE_FROM_FILE	125	# if 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	126	static inline int
147	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
148	{	128	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
153	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	131	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	133	else
157	return (align + 100) * smaller / 100 - image_size;	134	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	135	}
160		136
161	static inline int	137	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	138	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	139	{
…		…
169	src_pos = -pos;	145	src_pos = -pos;
170	dst_pos = 0;	146	dst_pos = 0;
171	dst_size += pos;	147	dst_size += pos;
172	}	148	}
173		149
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	151	return src_pos;
177	}	152	}
178		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
179	bool	189	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
181	{	191	{
182	bool changed = false;	192	bool changed = false;
183	int geom_flags = 0;	193	int geom_flags = 0;
184	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
185	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	197	unsigned int h = v_scale;
		198	uint8_t new_flags = 0;
187		199
188	if (geom == NULL)	200	if (geom == NULL)
189	return false;	201	return false;
190		202
191	if (geom[0])	203	if (geom[0])
192	{	204	{
193	char **arr = rxvt_strsplit (':', geom);	205	char **arr = rxvt_strsplit (':', geom);
194		206
195	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
196	{	208	{
197	if (!strcasecmp (arr[i], "style=tiled"))	209	if (!strncasecmp (arr[i], "style=", 6))
198	{	210	{
199	new_flags = BG_TILE;	211	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;	212	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	213	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_PROP_SCALE;
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"))	214	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	215	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	217	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	218	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	219	new_flags |= IM_ROOT_ALIGN;
236		220
237	// deprecated	221	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	222	else if (!strcasecmp (arr[i], "tile"))
239	{	223	{
240	new_flags |= BG_TILE;	224	new_flags |= IM_TILE;
241	w = h = noScale;	225	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
243	}	227	}
244	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
245	{	229	{
246	new_flags |= BG_PROP_SCALE;	230	new_flags |= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags |= WidthValue|HeightValue;
247	}	233	}
248	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
249	{	235	{
250	new_flags |= BG_TILE;	236	new_flags |= IM_TILE;
251	w = windowScale;	237	w = windowScale;
252	h = noScale;	238	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
254	}	240	}
255	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
256	{	242	{
257	new_flags |= BG_TILE;	243	new_flags |= IM_TILE;
258	h = windowScale;	244	h = windowScale;
259	w = noScale;	245	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
261	}	247	}
262	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	256	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	258	}
273	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
274	{	260	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	262	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
278	}	264	}
279		265
280	else	266	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	268	} /* done parsing ops */
283		269
284	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
285	}	271	}
		272
		273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		274
287	if (!update)	275	if (!update)
288	{	276	{
289	if (!(geom_flags & XValue))	277	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	278	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	283	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	284	else if (!(geom_flags & HeightValue))
297	h = w;	285	h = w;
298	else if (!(geom_flags & WidthValue))	286	else if (!(geom_flags & WidthValue))
299	w = h;	287	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)
305	|| check_set_scale_value (geom_flags, HeightValue, v_scale, h)
306	|| check_set_align_value (geom_flags, XValue, h_align, x)
307	|| check_set_align_value (geom_flags, YValue, v_align, y))
308	changed = true;
309
310	if (new_flags != bg_flags)
311	{	288	}
		289
		290	clamp_it (x, -100, 200);
		291	clamp_it (y, -100, 200);
		292
		293	if (flags != new_flags
		294	|| h_scale != w
		295	|| v_scale != h
		296	|| h_align != x
		297	|| v_align != y)
		298	{
312	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
313	changed = true;	304	changed = true;
314	}	305	}
315		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
316	return changed;	312	return changed;
317	}	313	}
318		314
319	void	315	void
320	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)
321	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
322	int target_width = szHint.width;	320	int target_width = szHint.width;
323	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);
324		324
325	w = h_scale * target_width / 100;	325	w = h_scale * target_width / 100;
326	h = v_scale * target_height / 100;	326	h = v_scale * target_height / 100;
327		327
328	if (bg_flags & BG_PROP_SCALE)	328	if (image.flags & IM_KEEP_ASPECT)
329	{	329	{
330	float scale = (float)w / image_width;	330	float scale = (float)w / image_width;
331	min_it (scale, (float)h / image_height);	331	min_it (scale, (float)h / image_height);
332	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
333	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
334	}	334	}
335		335
336	if (!w) w = image_width;	336	if (!w) w = image_width;
337	if (!h) h = image_height;	337	if (!h) h = image_height;
338		338
339	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
340	{	340	{
341	x = -target_x;	341	x = -target_x;
342	y = -target_y;	342	y = -target_y;
343	}	343	}
344	else	344	else
345	{	345	{
346	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
347	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
348	}
349
350	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351	if (!(bg_flags & BG_TILE)
352	|| h_scale || v_scale
353	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
354	|| w > target_width || h > target_height)
355	bg_flags |= BG_IS_SIZE_SENSITIVE;
356	}
357
358	# ifdef HAVE_AFTERIMAGE
359	bool
360	rxvt_term::render_image (unsigned long tr_flags)
361	{
362	init_asv ();
363
364	ASImage *background = NULL;
365	ARGB32 background_tint = TINT_LEAVE_SAME;
366
367	# ifdef ENABLE_TRANSPARENCY
368	if (tr_flags)
369	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371	if (tr_flags & BG_NEEDS_TINT)
372	{	348	}
373	ShadingInfo as_shade;	349	}
374	as_shade.shading = shade;
375		350
376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
377	if (bg_flags & BG_TINT_SET)	352	bool
378	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
379	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
380	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
381	as_shade.tintColor.blue = c.b;	356	{
		357	XImage *ximage;
		358	char *line;
		359	int width_r, width_g, width_b, width_a;
		360	int sh_r, sh_g, sh_b, sh_a;
		361	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		362	int rowstride;
		363	int channels;
		364	unsigned char *row;
382		365
383	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
384	}	370	{
385		371	red_mask = 0xff << 16;
386	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
387	{	375	}
388	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
389	ASA_XImage,	377	{
390	100, ASIMAGE_QUALITY_DEFAULT);	378	red_mask = visual->red_mask;
		379	green_mask = visual->green_mask;
		380	blue_mask = visual->blue_mask;
		381	#if XRENDER
		382	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
391	if (tmp)	383	if (format)
392	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
393	destroy_asimage (&background);	385	else
394	background = tmp;	386	#endif
		387	alpha_mask = 0;
		388	}
		389
		390	width_r = ecb_popcount32 (red_mask);
		391	width_g = ecb_popcount32 (green_mask);
		392	width_b = ecb_popcount32 (blue_mask);
		393	width_a = ecb_popcount32 (alpha_mask);
		394
		395	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		396	return false;
		397
		398	sh_r = ecb_ctz32 (red_mask);
		399	sh_g = ecb_ctz32 (green_mask);
		400	sh_b = ecb_ctz32 (blue_mask);
		401	sh_a = ecb_ctz32 (alpha_mask);
		402
		403	if (width > 32767 || height > 32767)
		404	return false;
		405
		406	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		407	width, height, 32, 0);
		408	if (!ximage)
		409	return false;
		410
		411	if (height > INT_MAX / ximage->bytes_per_line
		412	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		413	{
		414	XDestroyImage (ximage);
		415	return false;
		416	}
		417
		418	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		419
		420	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		421	channels = gdk_pixbuf_get_n_channels (pixbuf);
		422	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		423	line = ximage->data;
		424
		425	rgba c (0, 0, 0);
		426
		427	if (channels == 4 && alpha_mask == 0)
		428	{
		429	pix_colors[Color_bg].get (c);
		430	c.r >>= 8;
		431	c.g >>= 8;
		432	c.b >>= 8;
		433	}
		434
		435	for (int y = 0; y < height; y++)
		436	{
		437	for (int x = 0; x < width; x++)
395	}	438	{
396	}	439	unsigned char *pixel = row + x * channels;
397	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
398		442
399	ASImage *result = 0;	443	if (channels == 4)
		444	{
		445	a = pixel[3];
		446	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		447	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		448	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		449	}
		450	else
		451	{
		452	a = 0xff;
		453	r = pixel[0];
		454	g = pixel[1];
		455	b = pixel[2];
		456	}
		457
		458	value = ((r >> (8 - width_r)) << sh_r)
		459	| ((g >> (8 - width_g)) << sh_g)
		460	| ((b >> (8 - width_b)) << sh_b)
		461	| ((a >> (8 - width_a)) << sh_a);
		462
		463	if (ximage->bits_per_pixel == 32)
		464	((uint32_t *)line)[x] = value;
		465	else
		466	XPutPixel (ximage, x, y, value);
		467	}
		468
		469	row += rowstride;
		470	line += ximage->bytes_per_line;
		471	}
		472
		473	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		474	XDestroyImage (ximage);
		475	return true;
		476	}
		477
		478	bool
		479	rxvt_term::render_image (rxvt_image &image)
		480	{
		481	GdkPixbuf *pixbuf = image.pixbuf;
		482	if (!pixbuf)
		483	return false;
		484
		485	bool need_blend = bg_flags & BG_IS_VALID;
		486
		487	if (need_blend
		488	&& !(display->flags & DISPLAY_HAS_RENDER))
		489	return false;
		490
		491	GdkPixbuf *result;
		492
		493	int image_width = gdk_pixbuf_get_width (pixbuf);
		494	int image_height = gdk_pixbuf_get_height (pixbuf);
400		495
401	int target_width = szHint.width;	496	int target_width = szHint.width;
402	int target_height = szHint.height;	497	int target_height = szHint.height;
403	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
404	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
406	int x = 0;	501	int x = 0;
407	int y = 0;	502	int y = 0;
408	int w = 0;	503	int w = 0;
409	int h = 0;	504	int h = 0;
410		505
411	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
412	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413		507
414	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
415	|| (!(bg_flags & BG_ROOT_ALIGN)
416	&& (x >= target_width	509	&& (x >= target_width
417	|| y >= target_height	510	|| y >= target_height
418	|| x + w <= 0	511	|| x + w <= 0
419	|| y + h <= 0)))	512	|| y + h <= 0))
420	{	513	return false;
421	if (background)
422	{
423	new_pmap_width = background->width;
424	new_pmap_height = background->height;
425	result = background;
426		514
427	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
428	{	516
429	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
430	target_width, target_height, background_tint,	518	|| h != image_height)
431	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432	if (tmp)
433	result = tmp;
434	}
435	}
436	else
437	new_pmap_width = new_pmap_height = 0;
438	}	519	{
		520	result = gdk_pixbuf_scale_simple (pixbuf,
		521	w, h,
		522	GDK_INTERP_BILINEAR);
		523	}
		524
		525	if (!result)
		526	return false;
		527
		528	bool ret = false;
		529
		530	XGCValues gcv;
		531	GC gc;
		532	Pixmap tmp_pixmap;
		533
		534	image_width = gdk_pixbuf_get_width (result);
		535	image_height = gdk_pixbuf_get_height (result);
		536
		537	if (need_blend)
		538	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
439	else	539	else
440	{	540	{
441	result = original_asim;	541	if (image.flags & IM_TILE)
442
443	if (w != original_asim->width
444	|| h != original_asim->height)
445	{
446	result = scale_asimage (asv, original_asim,
447	w, h,
448	ASA_XImage,
449	100, ASIMAGE_QUALITY_DEFAULT);
450	}	542	{
451		543	new_pmap_width = min (image_width, target_width);
452	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
453	{	545	}
454	if (bg_flags & BG_TILE)
455	{
456	/* if tiling - pixmap has to be sized exactly as the image,
457	but there is no need to make it bigger than the window! */
458	new_pmap_width = min (result->width, target_width);
459	new_pmap_height = min (result->height, target_height);
460		546
461	/* we also need to tile our image in both directions */
462	ASImage *tmp = tile_asimage (asv, result,
463	(int)result->width - x,
464	(int)result->height - y,
465	new_pmap_width,
466	new_pmap_height,
467	TINT_LEAVE_SAME, ASA_XImage,
468	100, ASIMAGE_QUALITY_DEFAULT);
469	if (tmp)
470	{
471	if (result != original_asim)
472	destroy_asimage (&result);
473
474	result = tmp;
475	}
476	}
477	}
478	else
479	{
480	/* if blending background and image - pixmap has to be sized same as target window */
481	ASImageLayer *layers = create_image_layers (2);
482
483	layers[0].im = background;
484	layers[0].clip_width = target_width;
485	layers[0].clip_height = target_height;
486	layers[0].tint = background_tint;
487	layers[1].im = result;
488
489	if (bg_flags & BG_TILE)
490	{
491	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{
498	/* clip horizontally */
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width;
501	}
502
503	if (bg_flags & BG_TILE)
504	{
505	while (y > 0) y -= (int)result->height;
506	layers[1].dst_y = y;
507	layers[1].clip_height = result->height + target_height;
508	}
509	else
510	{
511	layers[1].dst_y = y;
512	layers[1].clip_height = result->height;
513	}
514
515	if (rs[Rs_blendtype])
516	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;
520	}
521
522	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525	if (tmp)
526	{
527	if (result != original_asim)
528	destroy_asimage (&result);
529
530	result = tmp;
531	}
532
533	free (layers);
534	}
535	}
536
537	bool ret = false;
538
539	if (result)
540	{
541	XGCValues gcv;
542	GC gc;
543
544	/* create Pixmap */
545	if (bg_pixmap == None	547	if (bg_pixmap == None
546	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
547	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
548	{	550	{
549	if (bg_pixmap)	551	if (bg_pixmap)
550	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
551	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);
552	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
553	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
554	}	556	}
555	/* fill with background color (if result's not completely overlapping it) */
556	gcv.foreground = pix_colors[Color_bg];
557	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558		557
559	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560	int dst_width = result->width, dst_height = result->height;
561	if (background == NULL)
562	{
563	if (!(bg_flags & BG_TILE))
564	{
565	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567	}
568
569	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)
572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573	}
574
575	/* put result on pixmap */
576	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579	if (result != background && result != original_asim)
580	destroy_asimage (&result);
581
582	XFreeGC (dpy, gc);
583
584	ret = true;
585	}
586
587	if (background)
588	destroy_asimage (&background);
589
590	return ret;
591	}
592	# endif /* HAVE_AFTERIMAGE */
593
594	# ifdef HAVE_PIXBUF
595	bool
596	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597	int src_x, int src_y, int dst_x, int dst_y,
598	unsigned int width, unsigned int height)
599	{
600	XImage *ximage;
601	char *data, *line;
602	int bytes_per_pixel;
603	int width_r, width_g, width_b;
604	int sh_r, sh_g, sh_b;
605	int rowstride;
606	int channels;
607	unsigned char *row;
608
609	if (visual->c_class != TrueColor)
610	return false;
611
612	if (depth == 24 || depth == 32)
613	bytes_per_pixel = 4;
614	else if (depth == 15 || depth == 16)
615	bytes_per_pixel = 2;
616	else
617	return false;
618
619	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);
622
623	if (width_r > 8 || width_g > 8 || width_b > 8)
624	return false;
625
626	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);
629
630	if (width > INT_MAX / height / bytes_per_pixel)
631	return false;
632
633	data = (char *)malloc (width * height * bytes_per_pixel);
634	if (!data)
635	return false;
636
637	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
638	width, height, bytes_per_pixel * 8, 0);
639	if (!ximage)
640	{
641	free (data);
642	return false;
643	}
644
645	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
646
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;
651
652	for (int y = 0; y < height; y++)
653	{
654	for (int x = 0; x < width; x++)
655	{
656	unsigned char *pixel = row + x * channels;
657	uint32_t value;
658
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)
660	| ((pixel[1] >> (8 - width_g)) << sh_g)
661	| ((pixel[2] >> (8 - width_b)) << sh_b);
662
663	if (bytes_per_pixel == 4)
664	((uint32_t *)line)[x] = value;
665	else
666	((uint16_t *)line)[x] = value;
667	}
668
669	row += rowstride;
670	line += ximage->bytes_per_line;
671	}
672
673	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
674	XDestroyImage (ximage);
675	return true;
676	}
677
678	bool
679	rxvt_term::render_image (unsigned long tr_flags)
680	{
681	if (!pixbuf)
682	return false;
683
684	if (tr_flags
685	&& !(bg_flags & BG_HAS_RENDER))
686	return false;
687
688	GdkPixbuf *result;
689
690	int image_width = gdk_pixbuf_get_width (pixbuf);
691	int image_height = gdk_pixbuf_get_height (pixbuf);
692
693	int target_width = szHint.width;
694	int target_height = szHint.height;
695	int new_pmap_width = target_width;
696	int new_pmap_height = target_height;
697
698	int x = 0;
699	int y = 0;
700	int w = 0;
701	int h = 0;
702
703	get_image_geometry (image_width, image_height, w, h, x, y);
704
705	if (!(bg_flags & BG_ROOT_ALIGN)
706	&& (x >= target_width
707	|| y >= target_height
708	|| x + w <= 0
709	|| y + h <= 0))
710	return false;
711
712	result = pixbuf;
713
714	if (w != image_width
715	|| h != image_height)
716	{
717	result = gdk_pixbuf_scale_simple (pixbuf,
718	w, h,
719	GDK_INTERP_BILINEAR);
720	}
721
722	if (!result)
723	return false;
724
725	bool ret = false;
726
727	XGCValues gcv;
728	GC gc;
729	Pixmap root_pmap;
730
731	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);
733
734	if (tr_flags)
735	{
736	root_pmap = bg_pixmap;	558	tmp_pixmap = bg_pixmap;
737	bg_pixmap = None;
738	}
739	else
740	{
741	if (bg_flags & BG_TILE)
742	{
743	new_pmap_width = min (image_width, target_width);
744	new_pmap_height = min (image_height, target_height);
745	}
746	}
747
748	if (bg_pixmap == None
749	|| bg_pmap_width != new_pmap_width
750	|| bg_pmap_height != new_pmap_height)
751	{
752	if (bg_pixmap)
753	XFreePixmap (dpy, bg_pixmap);
754	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
755	bg_pmap_width = new_pmap_width;
756	bg_pmap_height = new_pmap_height;
757	}	559	}
758		560
759	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
760	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
761		563
762	if (gc)	564	if (gc)
763	{	565	{
764	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
765	{	567	{
766	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
767	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
768	0, 0,	570	0, 0,
769	0, 0,	571	0, 0,
770	image_width, image_height);	572	image_width, image_height, need_blend);
771		573
772	gcv.tile = tile;	574	gcv.tile = tile;
773	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
774	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
775	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
776	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
777		579
778	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);
779	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
780	}	582	}
781	else	583	else
782	{	584	{
783	int src_x, src_y, dst_x, dst_y;	585	int src_x, src_y, dst_x, dst_y;
…		…
787	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);
788		590
789	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
790	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
791	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
792	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);
793		595
794	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
795	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
796	src_x, src_y,	598	src_x, src_y,
797	dst_x, dst_y,	599	dst_x, dst_y,
798	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
799	}	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);
800		607
801	#if XRENDER	608	#if XRENDER
802	if (tr_flags)	609	if (need_blend)
803	{	610	{
804	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
808		615
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		617
812	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
813	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816	XFreePixmap (dpy, mask_pmap);
817		619
818	XRenderColor mask_c;	620	XRenderColor mask_c;
819		621
820	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
821	mask_c.red = 0;	623	mask_c.red =
822	mask_c.green = 0;	624	mask_c.green =
823	mask_c.blue = 0;	625	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
825	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
826		629
827	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
836	}	639	}
837		640
838	if (result != pixbuf)	641	if (result != pixbuf)
839	g_object_unref (result);	642	g_object_unref (result);
840		643
841	if (tr_flags)	644	if (need_blend)
842	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
843		646
844	return ret;	647	return ret;
845	}	648	}
846	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
847		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
848	bool	665	bool
849	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
850	{	667	{
851	if (!file || !*file)	668	if (!file || !*file)
852	return false;	669	return false;
853		670
854	bool ret = false;
855	const char *p = strchr (file, ';');	671	const char *p = strchr (file, ';');
856		672
857	if (p)	673	if (p)
858	{	674	{
859	size_t len = p - file;	675	size_t len = p - file;
…		…
861	memcpy (f, file, len);	677	memcpy (f, file, len);
862	f[len] = '\0';	678	f[len] = '\0';
863	file = f;	679	file = f;
864	}	680	}
865		681
866	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
867	if (!asimman)	683	alpha = 0x8000;
868	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
869	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
870	if (image)	686	return ret;
871	{	687	}
872	if (original_asim)
873	safe_asimage_destroy (original_asim);
874	original_asim = image;
875	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
876	ret = true;
877	}
878	# endif
879		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
880	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	696	if (image)
883	{	697	{
884	if (pixbuf)	698	if (pixbuf)
885	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
886	pixbuf = image;	700	pixbuf = image;
887	bg_flags |= BG_IS_FROM_FILE;
888	ret = true;	701	ret = true;
889	}	702	}
890	# endif	703	# endif
891		704
892	if (ret)	705	if (ret)
893	{	706	flags |= IM_IS_SET;
894	if (p)
895	bg_set_geometry (p + 1);
896	else
897	bg_set_default_geometry ();
898	}
899		707
900	return ret;	708	return ret;
901	}	709	}
902		710
903	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
904		712
905	# ifdef ENABLE_TRANSPARENCY
906	bool	713	bool
907	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
908	{
909	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{
911	bg_flags |= BG_IS_TRANSPARENT;
912	return true;
913	}
914
915	return false;
916	}
917
918	bool
919	rxvt_term::bg_set_blur (const char *geom)
920	{	715	{
921	bool changed = false;	716	bool changed = false;
922	unsigned int hr, vr;	717	unsigned int hr, vr;
923	int junk;	718	int junk;
924	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
941	{	736	{
942	changed = true;	737	changed = true;
943	v_blurRadius = vr;	738	v_blurRadius = vr;
944	}	739	}
945		740
946	if (v_blurRadius == 0 && h_blurRadius == 0)
947	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags |= BG_NEEDS_BLUR;
950
951	return changed;	741	return changed;
952	}	742	}
953		743
954	void
955	rxvt_term::set_tint_shade_flags ()
956	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
958	bool has_shade = shade != 100;
959
960	bg_flags &= ~BG_TINT_FLAGS;
961
962	if (bg_flags & BG_TINT_SET)
963	{
964	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff || c.r >= 0xff00)
967	&& (c.g <= 0x00ff || c.g >= 0xff00)
968	&& (c.b <= 0x00ff || c.b >= 0xff00))
969	bg_flags |= BG_TINT_BITAND;
970	}
971
972	if (has_shade || (bg_flags & BG_TINT_SET))
973	bg_flags |= BG_NEEDS_TINT;
974	}
975
976	bool	744	bool
977	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
978	{	746	{
979	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
980	{	748	{
981	tint = new_tint;	749	tint = new_tint;
982	bg_flags |= BG_TINT_SET;	750	tint_set = true;
983	set_tint_shade_flags ();	751
984	return true;	752	return true;
985	}	753	}
986		754
987	return false;	755	return false;
988	}	756	}
989		757
990	bool	758	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
992	{	760	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
994		762
995	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	764	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
998		766
999	if (new_shade != shade)	767	if (new_shade != shade)
1000	{	768	{
1001	shade = new_shade;	769	shade = new_shade;
1002	set_tint_shade_flags ();
1003	return true;	770	return true;
1004	}	771	}
1005		772
1006	return false;	773	return false;
1007	}	774	}
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	796	}
1030	#endif	797	#endif
1031		798
1032	bool	799	bool
1033	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1034	{	801	{
1035	bool ret = false;	802	bool ret = false;
1036	#if XRENDER	803	#if XRENDER
		804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		805	return false;
		806
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1039	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1040		810
1041	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1043		814
		815	pa.repeat = RepeatPad;
1044	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1046		820
1047	if (kernel && params)	821	if (kernel && params)
1048	{	822	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		825
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1056	PictOpSrc,	828	PictOpSrc,
1057	src,	829	src,
1058	None,	830	None,
1059	dst,	831	dst,
1060	0, 0,	832	0, 0,
1061	0, 0,	833	0, 0,
1062	0, 0,	834	0, 0,
1063	width, height);	835	width, height);
1064	}
1065		836
1066	if (v_blurRadius)	837	::swap (src, dst);
1067	{	838
1068	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1071		842
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1074	PictOpSrc,	845	PictOpSrc,
1075	src,	846	src,
1076	None,	847	None,
1077	dst,	848	dst,
1078	0, 0,	849	0, 0,
1079	0, 0,	850	0, 0,
1080	0, 0,	851	0, 0,
1081	width, height);	852	width, height);
1082	}
1083		853
1084	ret = true;	854	ret = true;
1085	}	855	}
1086		856
1087	free (kernel);	857	free (kernel);
…		…
1091	#endif	861	#endif
1092	return ret;	862	return ret;
1093	}	863	}
1094		864
1095	bool	865	bool
1096	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)
1097	{	867	{
1098	bool ret = false;	868	bool ret = false;
1099		869
1100	if (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))
1101	{	879	{
1102	XGCValues gcv;	880	XGCValues gcv;
1103	GC gc;	881	GC gc;
1104		882
1105	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	893	ret = true;
1116	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1117	}	895	}
1118	}	896	}
1119	else
1120	{
1121	# if XRENDER	897	# if XRENDER
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	898	else if (display->flags & DISPLAY_HAS_RENDER)
1123		899	{
1124	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);
1126
1127	if (shade <= 100)	900	if (shade <= 100)
1128	{	901	{
1129	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1130	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1131	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1135	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1138	}	911	}
1139		912
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		915
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		917
1146	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		919
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150	XFreePixmap (dpy, overlay_pmap);
1151
1152	pa.component_alpha = True;
1153	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1155	XFreePixmap (dpy, mask_pmap);
1156		921
1157	XRenderColor mask_c;	922	XRenderColor mask_c;
1158		923
1159	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
1160	mask_c.red =	925	mask_c.red =
…		…
1165	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1170	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	936	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1171		937
1172	if (shade > 100)	938	if (shade > 100)
1173	{	939	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	mask_c.alpha = 0;	940	mask_c.alpha = 0;
		941	mask_c.red =
		942	mask_c.green =
		943	mask_c.blue = 0xffff * (shade - 100) / 100;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		945
1178	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	946	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1179	}	947	}
1180		948
1181	ret = true;	949	ret = true;
1182		950
1183	XRenderFreePicture (dpy, mask_pic);	951	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	952	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	953	XRenderFreePicture (dpy, back_pic);
		954	}
1186	# endif	955	# endif
1187	}
1188		956
1189	return ret;	957	return ret;
1190	}	958	}
1191		959
		960	# if ENABLE_TRANSPARENCY
1192	/*	961	/*
1193	* 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
1194	* 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
1195	* our window.	964	* our window.
1196	*/	965	*/
1197	unsigned long	966	bool
1198	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1199	{	968	{
1200	unsigned long result = 0;	969	bool ret = false;
1201		970
1202	/* 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
1203	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1204	*/	973	*/
1205	int screen = display->screen;	974	int screen = display->screen;
…		…
1239	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1240		1009
1241	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1242	{	1011	{
1243	#if XRENDER	1012	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1245	{	1014	{
1246	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);
1247		1016
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		1019
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		1022
1256	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1023	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1257		1024
1258	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1043	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1044	bg_pmap_height = window_height;
1278	}	1045	}
1279		1046
1280	/* straightforward pixmap copy */	1047	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1048	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1049	while (sy < 0) sy += root_pmap_height;
1283		1050
1284	gcv.tile = recoded_root_pmap;	1051	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1052	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1053	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1054	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1289		1056
1290	if (gc)	1057	if (gc)
1291	{	1058	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1060	ret = true;
		1061	bool need_blur = root_effects.need_blur ();
		1062	bool need_tint = root_effects.need_tint ();
		1063
		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;
		1069	}
		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)
		1080	{
		1081	/* our own client-side tinting */
		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);
		1086	}
		1087	}
		1088
1294	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1295
1296	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{
1298	if ((bg_flags & BG_NEEDS_BLUR)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1302	result &= ~BG_NEEDS_BLUR;
1303	}
1304	if ((bg_flags & BG_NEEDS_TINT)
1305	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1306	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1308	result &= ~BG_NEEDS_TINT;
1309	}
1310	} /* server side rendering completed */
1311	}	1090	}
1312		1091
1313	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1315		1094
1316	return result;	1095	return ret;
1317	}	1096	}
1318		1097
1319	void	1098	void
1320	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1321	{	1100	{
1322	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1323	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1324	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1325		1104
1326	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1327	}	1106	}
1328	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1329		1108
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1331	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);	1110	rxvt_term::bg_render ()
		1111	{
		1112	if (bg_flags & BG_INHIBIT_RENDER)
		1113	return;
		1114
		1115	bg_invalidate ();
		1116	# if ENABLE_TRANSPARENCY
		1117	if (bg_flags & BG_IS_TRANSPARENT)
		1118	{
		1119	/* we need to re-generate transparency pixmap in that case ! */
		1120	if (render_root_image ())
		1121	bg_flags |= BG_IS_VALID;
		1122	}
1332	# endif	1123	# endif
1333		1124
1334	bool
1335	rxvt_term::bg_render ()
1336	{
1337	unsigned long tr_flags = 0;
1338
1339	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)
1342	{
1343	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();
1345	if (tr_flags == 0)
1346	return false;
1347	bg_flags |= BG_IS_VALID;
1348	}
1349	# endif
1350
1351	# ifdef BG_IMAGE_FROM_FILE	1125	# if BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1126	if (fimage.flags & IM_IS_SET)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1127	{
1355	if (render_image (tr_flags))	1128	if (render_image (fimage))
1356	bg_flags |= BG_IS_VALID;	1129	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	{
1374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375	if (bg_flags & BG_TINT_SET)
1376	tint.get (c);
1377	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378	}
1379
1380	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382	if (gc)
1383	{
1384	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386	XFreeGC (dpy, gc);
1387	}
1388
1389	XDestroyImage (result);
1390	}	1130	}
1391	# endif	1131	# endif
1392		1132
1393	if (!(bg_flags & BG_IS_VALID))	1133	if (!(bg_flags & BG_IS_VALID))
1394	{	1134	{
…		…
1401		1141
1402	scr_recolour (false);	1142	scr_recolour (false);
1403	bg_flags |= BG_NEEDS_REFRESH;	1143	bg_flags |= BG_NEEDS_REFRESH;
1404		1144
1405	bg_valid_since = ev::now ();	1145	bg_valid_since = ev::now ();
1406
1407	return true;
1408	}	1146	}
1409		1147
1410	void	1148	void
1411	rxvt_term::bg_init ()	1149	rxvt_term::bg_init ()
1412	{	1150	{
1413	#ifdef ENABLE_TRANSPARENCY	1151	#if BG_IMAGE_FROM_FILE
1414	shade = 100;	1152	if (rs[Rs_backgroundPixmap])
		1153	{
		1154	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1155	&& !bg_window_position_sensitive ())
		1156	update_background ();
		1157	}
1415	#endif	1158	#endif
1416
1417	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1418	#if XRENDER
1419	int major, minor;
1420	if (XRenderQueryVersion (dpy, &major, &minor))
1421	bg_flags |= BG_HAS_RENDER;
1422	XFilters *filters = XRenderQueryFilters (dpy, vt);
1423	if (filters)
1424	{
1425	for (int i = 0; i < filters->nfilter; i++)
1426	if (!strcmp (filters->filter[i], FilterConvolution))
1427	bg_flags |= BG_HAS_RENDER_CONV;
1428
1429	XFree (filters);
1430	}
1431	#endif
1432	}	1159	}
1433		1160
1434	#endif /* HAVE_BG_PIXMAP */
1435
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1437	/* based on code from aterm-0.4.2 */	1161	/* based on code from aterm-0.4.2 */
1438		1162
1439	static void	1163	static inline void
1440	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1164	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1165	{
		1166	for (int i = 0; i <= mask >> sh; i++)
		1167	{
		1168	uint32_t tmp;
		1169	tmp = i * high;
		1170	tmp += (mask >> sh) * low;
		1171	lookup[i] = (tmp / 0xffff) << sh;
		1172	}
		1173	}
		1174
		1175	void
		1176	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1177	{
		1178	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1179	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1180	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1181	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1182	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1183	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1184
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1185	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1186
1452	/* for convenience */	1187	/* for convenience */
1453	mask_r = visual->red_mask;	1188	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1189	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1190	mask_b = visual->blue_mask;
1456		1191
1457	/* boring lookup table pre-initialization */	1192	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1193	sh_r = ecb_ctz32 (mask_r);
1459	{	1194	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1195	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1196
1462	(mask_g != 0x03e0) ||	1197	size_r = mask_r >> sh_r;
1463	(mask_b != 0x001f))	1198	size_g = mask_g >> sh_g;
		1199	size_b = mask_b >> sh_b;
		1200
		1201	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1464	return;	1202	return;
1465	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1203
		1204	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1466	lookup_r = lookup;	1205	lookup_r = lookup;
1467	lookup_g = lookup+32;	1206	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1207	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1208
1470	sh_g = 5;	1209	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1210
1472	break;	1211	if (tint_set)
1473	case 16:	1212	tint.get (c);
1474	if ((mask_r != 0xf800) ||
1475	(mask_g != 0x07e0) ||
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) ||
1488	(mask_g != 0x00ff00) ||
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
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	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1213
1516	/* prepare limits for color transformation (each channel is handled separately) */	1214	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1215	if (shade > 100)
1518	{	1216	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1217	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1218	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1219	c.b = c.b * (200 - shade) / 100;
		1220
		1221	low = 0xffff * (shade - 100) / 100;
1528	}	1222	}
1529	else	1223	else
1530	{	1224	{
1531	high.r = c.r * shade / 100;	1225	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1226	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1227	c.b = c.b * shade / 100;
1534		1228
1535	low.r = low.g = low.b = 0;	1229	low = 0;
1536	}	1230	}
1537		1231
1538	/* fill our lookup tables */	1232	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1233	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1234	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1235	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1236
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1237	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1238	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1239	&& ximage->byte_order == host_byte_order)
1565	{	1240	{
1566	uint32_t *p1, *pf, *p, *pl;	1241	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1242
1570	while (p1 < pf)	1243	for (int y = 0; y < ximage->height; y++)
1571	{	1244	{
1572	p = p1;	1245	uint32_t *p = (uint32_t *)line;
1573	pl = p1 + ximage->width;	1246	for (int x = 0; x < ximage->width; x++)
1574	for (; p < pl; p++)
1575	{	1247	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1248	*p = lookup_r[(*p & mask_r) >> sh_r] |
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1249	lookup_g[(*p & mask_g) >> sh_g] |
1578	lookup_b[(*p & 0x0000ff)] |	1250	lookup_b[(*p & mask_b) >> sh_b];
1579	(*p & 0xff000000);	1251	p++;
1580	}	1252	}
1581	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1253	line += ximage->bytes_per_line;
1582	}	1254	}
1583	}	1255	}
1584	else	1256	else
1585	{	1257	{
1586	for (int y = 0; y < ximage->height; y++)	1258	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1266	}
1595	}	1267	}
1596		1268
1597	free (lookup);	1269	free (lookup);
1598	}	1270	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1271
		1272	#endif /* HAVE_BG_PIXMAP */

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