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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 2011 UTC vs.
Revision 1.227 by sf-exg, Thu May 31 14:02:17 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
68	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
69	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif	66	# endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80		67
81	if (bg_pixmap)	68	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
83	}	70	}
84		71
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	91	return true;
105	# endif	92	# endif
106		93
107	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
109	{	96	{
110	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
111	return true;	100	return true;
112	}	101	}
113	# endif	102	# endif
114		103
115	return false;	104	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	112	return true;
124	# endif	113	# endif
125		114
126	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
128	{	117	{
129	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
130	return true;	119	return true;
131	}	120	}
132	# endif	121	# endif
133		122
134	return false;	123	return false;
135	}	124	}
136		125
137	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	127	static inline int
173	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
174	{	129	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
179	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	132	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	134	else
183	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	136	}
186		137
187	static inline int	138	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	140	{
…		…
195	src_pos = -pos;	146	src_pos = -pos;
196	dst_pos = 0;	147	dst_pos = 0;
197	dst_size += pos;	148	dst_size += pos;
198	}	149	}
199		150
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	152	return src_pos;
203	}	153	}
204		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
205	bool	190	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
207	{	192	{
208	bool changed = false;	193	bool changed = false;
209	int geom_flags = 0;	194	int geom_flags = 0;
210	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
211	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
212	unsigned int n;	198	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	199	uint8_t new_flags = 0;
214	const char *ops;
215		200
216	if (geom == NULL)	201	if (geom == NULL)
217	return false;	202	return false;
218		203
219	char str[256];	204	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{
236	/* we have geometry string - let's handle it prior to applying ops */
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
238	} /* done parsing geometry string */
239
240	if (!update)
241	{
242	if (!(geom_flags & XValue))
243	x = y = defaultAlign;
244	else if (!(geom_flags & YValue))
245	y = x;
246
247	if (!(geom_flags & (WidthValue|HeightValue)))
248	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))
250	h = w;
251	else if (!(geom_flags & WidthValue))
252	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}	205	{
256
257	if (ops)
258	{
259	char **arr = rxvt_strsplit (':', ops + 1);	206	char **arr = rxvt_strsplit (':', geom);
260		207
261	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
262	{	209	{
263	if (!strcasecmp (arr[i], "tile"))	210	if (!strncasecmp (arr[i], "style=", 6))
264	{	211	{
		212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		213	geom_flags = WidthValue|HeightValue|XValue|YValue;
		214	}
		215	else if (!strcasecmp (arr[i], "op=tile"))
		216	new_flags |= IM_TILE;
		217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		218	new_flags |= IM_KEEP_ASPECT;
		219	else if (!strcasecmp (arr[i], "op=root-align"))
		220	new_flags |= IM_ROOT_ALIGN;
		221
		222	// deprecated
		223	else if (!strcasecmp (arr[i], "tile"))
		224	{
265	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
266	w = h = noScale;	226	w = h = noScale;
267	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
268	}	228	}
269	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
270	{	230	{
271	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
272	}	234	}
273	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
274	{	236	{
		237	new_flags |= IM_TILE;
275	if (w == 0) w = windowScale;	238	w = windowScale;
276
277	h = noScale;	239	h = noScale;
278	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
279	}	241	}
280	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
281	{	243	{
		244	new_flags |= IM_TILE;
282	if (h == 0) h = windowScale;	245	h = windowScale;
283
284	w = noScale;	246	w = noScale;
285	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
286	}	248	}
287	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
288	{	250	{
289	if (h == 0) h = windowScale;
290	if (w == 0) w = windowScale;	251	w = h = windowScale;
291
292	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
293	}	253	}
294	else if (!strcasecmp (arr[i], "auto"))	254	else if (!strcasecmp (arr[i], "auto"))
295	{	255	{
296	w = h = windowScale;	256	w = h = windowScale;
297	x = y = centerAlign;	257	x = y = centerAlign;
298	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
299	}	259	}
300	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
301	{	261	{
302	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
303	w = h = noScale;	263	w = h = noScale;
304	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
305	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
306	} /* done parsing ops */	269	} /* done parsing ops */
307		270
308	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
309	}	272	}
310		273
311	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
312	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
313	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
314	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
315		275
316	if (new_flags != bg_flags)	276	if (!update)
		277	{
		278	if (!(geom_flags & XValue))
		279	x = y = defaultAlign;
		280	else if (!(geom_flags & YValue))
		281	y = x;
		282
		283	if (!(geom_flags & (WidthValue|HeightValue)))
		284	w = h = defaultScale;
		285	else if (!(geom_flags & HeightValue))
		286	h = w;
		287	else if (!(geom_flags & WidthValue))
		288	w = h;
317	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
318	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
319	changed = true;	305	changed = true;
320	}	306	}
321		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
322	return changed;	313	return changed;
323	}	314	}
324		315
325	void	316	void
326	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
327	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
328	int target_width = szHint.width;	321	int target_width = szHint.width;
329	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
330		325
331	if (bg_flags & BG_PROP_SCALE)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
332	{	330	{
333	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
334	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
337	}	335	}
338	else
339	{
340	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;
342	}
343		336
344	if (!w) w = image_width;	337	if (!w) w = image_width;
345	if (!h) h = image_height;	338	if (!h) h = image_height;
346		339
347	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
348	{	341	{
349	x = -target_x;	342	x = -target_x;
350	y = -target_y;	343	y = -target_y;
351	}	344	}
352	else	345	else
353	{	346	{
354	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
355	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
356	}
357
358	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
359	if (!(bg_flags & BG_TILE)
360	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
361	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
362	|| w > target_width || h > target_height)
363	bg_flags |= BG_IS_SIZE_SENSITIVE;
364	}
365
366	# ifdef HAVE_AFTERIMAGE
367	bool
368	rxvt_term::render_image (unsigned long tr_flags)
369	{
370	init_asv ();
371
372	ASImage *background = NULL;
373	ARGB32 background_tint = TINT_LEAVE_SAME;
374
375	# ifdef ENABLE_TRANSPARENCY
376	if (tr_flags)
377	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
378
379	if (tr_flags & BG_NEEDS_TINT)
380	{	349	}
381	ShadingInfo as_shade;	350	}
382	as_shade.shading = shade;
383		351
384	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
385	if (bg_flags & BG_TINT_SET)	353	bool
386	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
387	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
388	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
389	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
390		366
391	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
392	}	371	{
393		372	red_mask = 0xff << 16;
394	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
395	{	376	}
396	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
397	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
398	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
399	if (tmp)	384	if (format)
400	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
401	destroy_asimage (&background);	386	else
402	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
403	}	439	{
404	}	440	unsigned char *pixel = row + x * channels;
405	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
406		443
407	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
408		496
409	int target_width = szHint.width;	497	int target_width = szHint.width;
410	int target_height = szHint.height;	498	int target_height = szHint.height;
411	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
412	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
414	int x = 0;	502	int x = 0;
415	int y = 0;	503	int y = 0;
416	int w = 0;	504	int w = 0;
417	int h = 0;	505	int h = 0;
418		506
419	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
420	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
421		508
422	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
423	|| (!(bg_flags & BG_ROOT_ALIGN)
424	&& (x >= target_width	510	&& (x >= target_width
425	|| y >= target_height	511	|| y >= target_height
426	|| (x + w <= 0)	512	|| x + w <= 0
427	|| (y + h <= 0))))	513	|| y + h <= 0))
428	{	514	return false;
429	if (background)
430	{
431	new_pmap_width = background->width;
432	new_pmap_height = background->height;
433	result = background;
434		515
435	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
436	{	517
437	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
438	target_width, target_height, background_tint,	519	|| h != image_height)
439	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
440	if (tmp)
441	result = tmp;
442	}
443	}
444	else
445	new_pmap_width = new_pmap_height = 0;
446	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
447	else	540	else
448	{	541	{
449	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
450		543	// other pixbufs to render. Otherwise, the bg pixmap size must
451	if ((w != original_asim->width)	544	// be equal to the window size.
452	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
453	{	546	&& image_vec.size () == 1)
454	result = scale_asimage (asv, original_asim,
455	w, h,
456	background ? ASA_ASImage : ASA_XImage,
457	100, ASIMAGE_QUALITY_DEFAULT);
458	}	547	{
459		548	new_pmap_width = min (image_width, target_width);
460	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
461	{	550	}
462	if (bg_flags & BG_TILE)
463	{
464	/* if tiling - pixmap has to be sized exactly as the image,
465	but there is no need to make it bigger than the window! */
466	new_pmap_width = min (result->width, target_width);
467	new_pmap_height = min (result->height, target_height);
468		551
469	/* we also need to tile our image in both directions */
470	ASImage *tmp = tile_asimage (asv, result,
471	(int)result->width - x,
472	(int)result->height - y,
473	new_pmap_width,
474	new_pmap_height,
475	TINT_LEAVE_SAME, ASA_XImage,
476	100, ASIMAGE_QUALITY_DEFAULT);
477	if (tmp)
478	{
479	if (result != original_asim)
480	destroy_asimage (&result);
481
482	result = tmp;
483	}
484	}
485	}
486	else
487	{
488	/* if blending background and image - pixmap has to be sized same as target window */
489	ASImageLayer *layers = create_image_layers (2);
490
491	layers[0].im = background;
492	layers[0].clip_width = target_width;
493	layers[0].clip_height = target_height;
494	layers[0].tint = background_tint;
495	layers[1].im = result;
496
497	if (bg_flags & BG_TILE)
498	{
499	/* tile horizontally */
500	while (x > 0) x -= (int)result->width;
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width+target_width;
503	}
504	else
505	{
506	/* clip horizontally */
507	layers[1].dst_x = x;
508	layers[1].clip_width = result->width;
509	}
510
511	if (bg_flags & BG_TILE)
512	{
513	while (y > 0) y -= (int)result->height;
514	layers[1].dst_y = y;
515	layers[1].clip_height = result->height + target_height;
516	}
517	else
518	{
519	layers[1].dst_y = y;
520	layers[1].clip_height = result->height;
521	}
522
523	if (rs[Rs_blendtype])
524	{
525	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
526	if (layers[1].merge_scanlines == NULL)
527	layers[1].merge_scanlines = alphablend_scanlines;
528	}
529
530	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
532
533	if (tmp)
534	{
535	if (result != original_asim)
536	destroy_asimage (&result);
537
538	result = tmp;
539	}
540
541	free (layers);
542	}
543	}
544
545	bool ret = false;
546
547	if (result)
548	{
549	XGCValues gcv;
550	GC gc;
551
552	/* create Pixmap */
553	if (bg_pixmap == None	552	if (bg_pixmap == None
554	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
555	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
556	{	555	{
557	if (bg_pixmap)	556	if (bg_pixmap)
558	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
559	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
560	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
561	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
562	}	561	}
563	/* fill with background color (if result's not completely overlapping it) */
564	gcv.foreground = pix_colors[Color_bg];
565	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
566		562
567	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
568	int dst_width = result->width, dst_height = result->height;
569	if (background == NULL)
570	{
571	if (!(bg_flags & BG_TILE))
572	{
573	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
574	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
575	}
576
577	if (dst_x > 0 || dst_y > 0
578	|| dst_x + dst_width < new_pmap_width
579	|| dst_y + dst_height < new_pmap_height)
580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
581	}
582
583	/* put result on pixmap */
584	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
585	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
586
587	if (result != background && result != original_asim)
588	destroy_asimage (&result);
589
590	XFreeGC (dpy, gc);
591
592	ret = true;
593	}
594
595	if (background)
596	destroy_asimage (&background);
597
598	return ret;
599	}
600	# endif /* HAVE_AFTERIMAGE */
601
602	# ifdef HAVE_PIXBUF
603	bool
604	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
605	int src_x, int src_y, int dst_x, int dst_y,
606	unsigned int width, unsigned int height)
607	{
608	XImage *ximage;
609	char *data, *line;
610	int bytes_per_pixel;
611	int width_r, width_g, width_b;
612	int sh_r, sh_g, sh_b;
613	int rowstride;
614	int channels;
615	unsigned char *row;
616
617	if (visual->c_class != TrueColor)
618	return false;
619
620	if (depth == 24 || depth == 32)
621	bytes_per_pixel = 4;
622	else if (depth == 15 || depth == 16)
623	bytes_per_pixel = 2;
624	else
625	return false;
626
627	width_r = ecb_popcount32 (visual->red_mask);
628	width_g = ecb_popcount32 (visual->green_mask);
629	width_b = ecb_popcount32 (visual->blue_mask);
630
631	if (width_r > 8 || width_g > 8 || width_b > 8)
632	return false;
633
634	sh_r = ecb_ctz32 (visual->red_mask);
635	sh_g = ecb_ctz32 (visual->green_mask);
636	sh_b = ecb_ctz32 (visual->blue_mask);
637
638	if (width > INT_MAX / height / bytes_per_pixel)
639	return false;
640
641	data = (char *)malloc (width * height * bytes_per_pixel);
642	if (!data)
643	return false;
644
645	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
646	width, height, bytes_per_pixel * 8, 0);
647	if (!ximage)
648	{
649	free (data);
650	return false;
651	}
652
653	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
654
655	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
656	channels = gdk_pixbuf_get_n_channels (pixbuf);
657	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
658	line = data;
659
660	for (int y = 0; y < height; y++)
661	{
662	for (int x = 0; x < width; x++)
663	{
664	unsigned char *pixel = row + x * channels;
665	uint32_t value;
666
667	value = ((pixel[0] >> (8 - width_r)) << sh_r)
668	| ((pixel[1] >> (8 - width_g)) << sh_g)
669	| ((pixel[2] >> (8 - width_b)) << sh_b);
670
671	if (bytes_per_pixel == 4)
672	((uint32_t *)line)[x] = value;
673	else
674	((uint16_t *)line)[x] = value;
675	}
676
677	row += rowstride;
678	line += ximage->bytes_per_line;
679	}
680
681	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
682	XDestroyImage (ximage);
683	return true;
684	}
685
686	bool
687	rxvt_term::render_image (unsigned long tr_flags)
688	{
689	if (!pixbuf)
690	return false;
691
692	if (tr_flags
693	&& !(bg_flags & BG_HAS_RENDER))
694	return false;
695
696	GdkPixbuf *result;
697
698	int image_width = gdk_pixbuf_get_width (pixbuf);
699	int image_height = gdk_pixbuf_get_height (pixbuf);
700
701	int target_width = szHint.width;
702	int target_height = szHint.height;
703	int new_pmap_width = target_width;
704	int new_pmap_height = target_height;
705
706	int x = 0;
707	int y = 0;
708	int w = 0;
709	int h = 0;
710
711	get_image_geometry (image_width, image_height, w, h, x, y);
712
713	if (!(bg_flags & BG_ROOT_ALIGN)
714	&& (x >= target_width
715	|| y >= target_height
716	|| (x + w <= 0)
717	|| (y + h <= 0)))
718	return false;
719
720	result = pixbuf;
721
722	if ((w != image_width)
723	|| (h != image_height))
724	{
725	result = gdk_pixbuf_scale_simple (pixbuf,
726	w, h,
727	GDK_INTERP_BILINEAR);
728	}
729
730	if (!result)
731	return false;
732
733	bool ret = false;
734
735	XGCValues gcv;
736	GC gc;
737	Pixmap root_pmap;
738
739	image_width = gdk_pixbuf_get_width (result);
740	image_height = gdk_pixbuf_get_height (result);
741
742	if (tr_flags)
743	{
744	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
745	bg_pixmap = None;
746	}
747	else
748	{
749	if (bg_flags & BG_TILE)
750	{
751	new_pmap_width = min (image_width, target_width);
752	new_pmap_height = min (image_height, target_height);
753	}
754	}
755
756	if (bg_pixmap == None
757	|| bg_pmap_width != new_pmap_width
758	|| bg_pmap_height != new_pmap_height)
759	{
760	if (bg_pixmap)
761	XFreePixmap (dpy, bg_pixmap);
762	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
763	bg_pmap_width = new_pmap_width;
764	bg_pmap_height = new_pmap_height;
765	}	564	}
766		565
767	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
769		568
770	if (gc)	569	if (gc)
771	{	570	{
772	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
773	{	572	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
775	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
776	0, 0,	575	0, 0,
777	0, 0,	576	0, 0,
778	image_width, image_height);	577	image_width, image_height, need_blend);
779		578
780	gcv.tile = tile;	579	gcv.tile = tile;
781	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
782	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
783	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
784	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
785		584
786	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
787	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
788	}	587	}
789	else	588	else
790	{	589	{
791	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
795	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
796		595
797	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
798	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
799	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
800	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
801		600
802	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
803	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
804	src_x, src_y,	603	src_x, src_y,
805	dst_x, dst_y,	604	dst_x, dst_y,
806	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
807	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
808		612
809	#if XRENDER	613	#if XRENDER
810	if (tr_flags)	614	if (need_blend)
811	{	615	{
812	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
813
814	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
815	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
816		620
817	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
818	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
819		622
820	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
821	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
822	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
823	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
824	XFreePixmap (dpy, mask_pmap);
825		624
826	XRenderColor mask_c;	625	XRenderColor mask_c;
827		626
828	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
829	mask_c.red = 0;	628	mask_c.red =
830	mask_c.green = 0;	629	mask_c.green =
831	mask_c.blue = 0;	630	mask_c.blue = 0;
832	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
833	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
834		634
835	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
836	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
837	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
844	}	644	}
845		645
846	if (result != pixbuf)	646	if (result != pixbuf)
847	g_object_unref (result);	647	g_object_unref (result);
848		648
849	if (tr_flags)	649	if (need_blend)
850	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
851		651
852	return ret;	652	return ret;
853	}	653	}
854	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
855		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
856	bool	703	bool
857	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
858	{	705	{
859	if (!file || !*file)	706	if (!file || !*file)
860	return false;	707	return false;
861		708
862	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
863	{	712	{
864	size_t len = p - file;	713	size_t len = p - file;
865	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
866	memcpy (f, file, len);	715	memcpy (f, file, len);
867	f[len] = '\0';	716	f[len] = '\0';
868	file = f;	717	file = f;
869	}	718	}
870		719
871	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
872	if (!asimman)	721	alpha = 0x8000;
873	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
874	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
875	if (image)	724	return ret;
876	{	725	}
877	if (original_asim)	726
878	safe_asimage_destroy (original_asim);	727	bool
879	original_asim = image;	728	rxvt_image::set_file (const char *file)
880	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
881	return true;	730	bool ret = false;
882	}
883	# endif
884		731
885	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
886	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
887	if (image)	734	if (image)
888	{	735	{
889	if (pixbuf)	736	if (pixbuf)
890	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
891	pixbuf = image;	738	pixbuf = image;
892	bg_flags |= BG_IS_FROM_FILE;
893	return true;	739	ret = true;
894	}	740	}
895	# endif	741	# endif
896		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
897	return false;	746	return ret;
898	}	747	}
899		748
900	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
901		750
902	# ifdef ENABLE_TRANSPARENCY
903	bool	751	bool
904	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
905	{
906	if (!(bg_flags & BG_IS_TRANSPARENT))
907	{
908	bg_flags |= BG_IS_TRANSPARENT;
909	return true;
910	}
911
912	return false;
913	}
914
915	bool
916	rxvt_term::bg_set_blur (const char *geom)
917	{	753	{
918	bool changed = false;	754	bool changed = false;
919	unsigned int hr, vr;	755	unsigned int hr, vr;
920	int junk;	756	int junk;
921	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
938	{	774	{
939	changed = true;	775	changed = true;
940	v_blurRadius = vr;	776	v_blurRadius = vr;
941	}	777	}
942		778
943	if (v_blurRadius == 0 && h_blurRadius == 0)
944	bg_flags &= ~BG_NEEDS_BLUR;
945	else
946	bg_flags |= BG_NEEDS_BLUR;
947
948	return changed;	779	return changed;
949	}	780	}
950		781
951	void
952	rxvt_term::set_tint_shade_flags ()
953	{
954	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
955	bool has_shade = shade != 100;
956
957	bg_flags &= ~BG_TINT_FLAGS;
958
959	if (bg_flags & BG_TINT_SET)
960	{
961	tint.get (c);
962	if (!has_shade
963	&& (c.r <= 0x00ff || c.r >= 0xff00)
964	&& (c.g <= 0x00ff || c.g >= 0xff00)
965	&& (c.b <= 0x00ff || c.b >= 0xff00))
966	bg_flags |= BG_TINT_BITAND;
967	}
968
969	if (has_shade || (bg_flags & BG_TINT_SET))
970	bg_flags |= BG_NEEDS_TINT;
971	}
972
973	bool	782	bool
974	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
975	{	784	{
976	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
977	{	786	{
978	tint = new_tint;	787	tint = new_tint;
979	bg_flags |= BG_TINT_SET;	788	tint_set = true;
980	set_tint_shade_flags ();	789
981	return true;	790	return true;
982	}	791	}
983		792
984	return false;	793	return false;
985	}	794	}
986		795
987	bool	796	bool
988	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
989	{	798	{
990	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
991		800
992	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
993	if (new_shade < 0)	802	if (new_shade < 0)
994	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
995		804
996	if (new_shade != shade)	805	if (new_shade != shade)
997	{	806	{
998	shade = new_shade;	807	shade = new_shade;
999	set_tint_shade_flags ();
1000	return true;	808	return true;
1001	}	809	}
1002		810
1003	return false;	811	return false;
1004	}	812	}
…		…
1025	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1026	}	834	}
1027	#endif	835	#endif
1028		836
1029	bool	837	bool
1030	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1031	{	839	{
1032	bool ret = false;	840	bool ret = false;
1033	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1034	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1035	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1036	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1037		848
1038	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1039	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1040		852
		853	pa.repeat = RepeatPad;
1041	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1042	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1043		858
1044	if (kernel && params)	859	if (kernel && params)
1045	{	860	{
1046	if (h_blurRadius)
1047	{
1048	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1050		863
1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1052	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1053	PictOpSrc,	866	PictOpSrc,
1054	src,	867	src,
1055	None,	868	None,
1056	dst,	869	dst,
1057	0, 0,	870	0, 0,
1058	0, 0,	871	0, 0,
1059	0, 0,	872	0, 0,
1060	width, height);	873	width, height);
1061	}
1062		874
1063	if (v_blurRadius)	875	::swap (src, dst);
1064	{	876
1065	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1066	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1067	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1068		880
1069	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1070	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1071	PictOpSrc,	883	PictOpSrc,
1072	src,	884	src,
1073	None,	885	None,
1074	dst,	886	dst,
1075	0, 0,	887	0, 0,
1076	0, 0,	888	0, 0,
1077	0, 0,	889	0, 0,
1078	width, height);	890	width, height);
1079	}
1080		891
1081	ret = true;	892	ret = true;
1082	}	893	}
1083		894
1084	free (kernel);	895	free (kernel);
…		…
1088	#endif	899	#endif
1089	return ret;	900	return ret;
1090	}	901	}
1091		902
1092	bool	903	bool
1093	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1094	{	905	{
1095	bool ret = false;	906	bool ret = false;
1096		907
1097	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1098	{	917	{
1099	XGCValues gcv;	918	XGCValues gcv;
1100	GC gc;	919	GC gc;
1101		920
1102	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1111	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1112	ret = true;	931	ret = true;
1113	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1114	}	933	}
1115	}	934	}
1116	else
1117	{
1118	# if XRENDER	935	# if XRENDER
1119	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1120		937	{
1121	if (bg_flags & BG_TINT_SET)
1122	tint.get (c);
1123
1124	if (shade <= 100)	938	if (shade <= 100)
1125	{	939	{
1126	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1127	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1128	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1132	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1133	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1134	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1135	}	949	}
1136		950
1137	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1138	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1139	XRenderPictureAttributes pa;
1140		953
1141	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1142		955
1143	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1144		957
1145	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1146	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1147	XFreePixmap (dpy, overlay_pmap);
1148
1149	pa.component_alpha = True;
1150	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1151	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1152	XFreePixmap (dpy, mask_pmap);
1153		959
1154	XRenderColor mask_c;	960	XRenderColor mask_c;
1155		961
1156	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1157	mask_c.red =	963	mask_c.red =
…		…
1162	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1163	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1164	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1165	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1166	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1167	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1168		975
1169	if (shade > 100)	976	if (shade > 100)
1170	{	977	{
1171	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1172	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1173	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1174		983
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176	}	985	}
1177		986
1178	ret = true;	987	ret = true;
1179		988
1180	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1183	# endif	993	# endif
1184	}
1185		994
1186	return ret;	995	return ret;
1187	}	996	}
1188		997
		998	# ifdef ENABLE_TRANSPARENCY
1189	/*	999	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	1002	* our window.
1193	*/	1003	*/
1194	unsigned long	1004	bool
1195	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1196	{	1006	{
1197	unsigned long result = 0;	1007	bool ret = false;
1198		1008
1199	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1201	*/	1011	*/
1202	int screen = display->screen;	1012	int screen = display->screen;
…		…
1240	#if XRENDER	1050	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1242	{	1052	{
1243	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		1054
1245	XRenderPictureAttributes pa;
1246
1247	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1248	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1249		1057
1250	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1251	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1252		1060
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254		1062
1255	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1256	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1273	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1274	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1275	}	1083	}
1276		1084
1277	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1278	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1279	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1280		1088
1281	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1282	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1283	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1284	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1285	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1286		1094
1287	if (gc)	1095	if (gc)
1288	{	1096	{
1289	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1290	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1291	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1292
1293	if (!(bg_flags & BG_CLIENT_RENDER))
1294	{
1295	if ((bg_flags & BG_NEEDS_BLUR)
1296	&& (bg_flags & BG_HAS_RENDER_CONV))
1297	{
1298	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1299	result &= ~BG_NEEDS_BLUR;
1300	}
1301	if ((bg_flags & BG_NEEDS_TINT)
1302	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1303	{
1304	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_TINT;
1306	}
1307	} /* server side rendering completed */
1308	}	1128	}
1309		1129
1310	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1311	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1312		1132
1313	return result;	1133	return ret;
1314	}	1134	}
1315		1135
1316	void	1136	void
1317	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1318	{	1138	{
…		…
1322		1142
1323	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1324	}	1144	}
1325	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1326		1146
1327	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1328	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1329	# endif
1330
1331	bool	1147	bool
1332	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1333	{	1149	{
1334	unsigned long tr_flags = 0;
1335
1336	bg_invalidate ();	1150	bg_invalidate ();
1337	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1338	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1339	{	1153	{
1340	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1341	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1342	if (tr_flags == 0)
1343	return false;
1344	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1345	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1346	}	1157	}
1347	# endif	1158	# endif
1348		1159
1349	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1162	{
1353	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1354	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags && !(bg_flags & BG_IS_VALID))
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	if (tr_flags & BG_NEEDS_TINT)
1370	{
1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1372	if (bg_flags & BG_TINT_SET)
1373	tint.get (c);
1374	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1375	}
1376
1377	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1378
1379	if (gc)
1380	{
1381	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1382
1383	XFreeGC (dpy, gc);
1384	bg_flags |= BG_IS_VALID;
1385	}
1386
1387	XDestroyImage (result);
1388	}	1165	}
1389	# endif	1166	# endif
1390		1167
1391	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1392	{	1169	{
…		…
1406	}	1183	}
1407		1184
1408	void	1185	void
1409	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1410	{	1187	{
1411	#ifdef ENABLE_TRANSPARENCY
1412	shade = 100;
1413	#endif
1414
1415	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1416	#if XRENDER	1189	#if XRENDER
1417	int major, minor;	1190	int major, minor;
1418	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1419	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1425	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1426		1199
1427	XFree (filters);	1200	XFree (filters);
1428	}	1201	}
1429	#endif	1202	#endif
1430	}
1431		1203
1432	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1433		1211
1434	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
		1226	}
		1227	# endif
		1228
		1229	if (image_vec.size () > 0
		1230	&& !bg_window_position_sensitive ())
		1231	update_background ();
		1232	#endif
		1233	}
		1234
1435	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1436		1236
1437	static void	1237	static inline void
1438	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1439	{	1239	{
		1240	for (int i = 0; i <= mask >> sh; i++)
		1241	{
		1242	uint32_t tmp;
		1243	tmp = i * high;
		1244	tmp += (mask >> sh) * low;
		1245	lookup[i] = (tmp / 0xffff) << sh;
		1246	}
		1247	}
		1248
		1249	void
		1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1251	{
		1252	unsigned int size_r, size_g, size_b;
1440	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1443	rgba low;	1256	unsigned short low;
1444	rgba high;
1445	int i;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1447		1258
1448	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1449		1260
1450	/* for convenience */	1261	/* for convenience */
1451	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1452	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1453	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1454		1265
1455	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1456	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1457	{	1268	sh_g = ecb_ctz32 (mask_g);
1458	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1459	if ((mask_r != 0x7c00) ||	1270
1460	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1461	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1462	return;	1276	return;
1463	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1277
		1278	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1464	lookup_r = lookup;	1279	lookup_r = lookup;
1465	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1466	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1467	sh_r = 10;	1282
1468	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1469	sh_b = 0;	1284
1470	break;	1285	if (tint_set)
1471	case 16:	1286	tint.get (c);
1472	if ((mask_r != 0xf800) ||
1473	(mask_g != 0x07e0) ||
1474	(mask_b != 0x001f))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1477	lookup_r = lookup;
1478	lookup_g = lookup+32;
1479	lookup_b = lookup+32+64;
1480	sh_r = 11;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 24:
1485	if ((mask_r != 0xff0000) ||
1486	(mask_g != 0x00ff00) ||
1487	(mask_b != 0x0000ff))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1490	lookup_r = lookup;
1491	lookup_g = lookup+256;
1492	lookup_b = lookup+256+256;
1493	sh_r = 16;
1494	sh_g = 8;
1495	sh_b = 0;
1496	break;
1497	case 32:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	default:
1511	return; /* we do not support this color depth */
1512	}
1513		1287
1514	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1515	if (shade > 100)	1289	if (shade > 100)
1516	{	1290	{
1517	shade = 200 - shade;
1518
1519	high.r = c.r * shade / 100;
1520	high.g = c.g * shade / 100;
1521	high.b = c.b * shade / 100;
1522
1523	low.r = 65535 * (100 - shade) / 100;	1291	c.r = c.r * (200 - shade) / 100;
1524	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1525	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1526	}	1296	}
1527	else	1297	else
1528	{	1298	{
1529	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1532		1302
1533	low.r = low.g = low.b = 0;	1303	low = 0;
1534	}	1304	}
1535		1305
1536	/* fill our lookup tables */	1306	/* fill our lookup tables */
1537	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1538	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540	tmp = i * high.r;
1541	tmp += (mask_r>>sh_r) * low.r;
1542	lookup_r[i] = (tmp/65535)<<sh_r;
1543	}
1544	for (i = 0; i <= mask_g>>sh_g; i++)
1545	{
1546	uint32_t tmp;
1547	tmp = i * high.g;
1548	tmp += (mask_g>>sh_g) * low.g;
1549	lookup_g[i] = (tmp/65535)<<sh_g;
1550	}
1551	for (i = 0; i <= mask_b>>sh_b; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.b;
1555	tmp += (mask_b>>sh_b) * low.b;
1556	lookup_b[i] = (tmp/65535)<<sh_b;
1557	}
1558		1310
1559	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1560	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1561	&& (ximage->depth == 24 || ximage->depth == 32)
1562	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1563	{	1314	{
1564	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1565	p1 = (uint32_t *) ximage->data;
1566	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1567		1316
1568	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1569	{	1318	{
1570	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1571	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1572	for (; p < pl; p++)
1573	{	1321	{
1574	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1575	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1576	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1577	(*p & 0xff000000);	1325	p++;
1578	}	1326	}
1579	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1580	}	1328	}
1581	}	1329	}
1582	else	1330	else
1583	{	1331	{
1584	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1592	}	1340	}
1593	}	1341	}
1594		1342
1595	free (lookup);	1343	free (lookup);
1596	}	1344	}
1597	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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