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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.154 by sf-exg, Mon May 9 16:35:37 2011 UTC vs.
Revision 1.226 by sf-exg, Thu May 31 05:53:46 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	{
		225	new_flags |= IM_TILE;
265	w = h = noScale;	226	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
267	}	228	}
268	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
269	{	230	{
270	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
271	}	234	}
272	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
273	{	236	{
		237	new_flags |= IM_TILE;
274	if (w == 0) w = windowScale;	238	w = windowScale;
275
276	h = noScale;	239	h = noScale;
277	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
278	}	241	}
279	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
280	{	243	{
		244	new_flags |= IM_TILE;
281	if (h == 0) h = windowScale;	245	h = windowScale;
282
283	w = noScale;	246	w = noScale;
284	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
285	}	248	}
286	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
287	{	250	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;	251	w = h = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
292	}	253	}
293	else if (!strcasecmp (arr[i], "auto"))	254	else if (!strcasecmp (arr[i], "auto"))
294	{	255	{
295	w = h = windowScale;	256	w = h = windowScale;
296	x = y = centerAlign;	257	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}	259	}
299	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
300	{	261	{
301	new_flags |= BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
302	w = h = noScale;	263	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
304	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
305	} /* done parsing ops */	269	} /* done parsing ops */
306		270
307	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
308	}	272	}
309		273
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314		275
315	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;
316	{	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	{
317	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
318	changed = true;	305	changed = true;
319	}	306	}
320		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
321	return changed;	313	return changed;
322	}	314	}
323		315
324	void	316	void
325	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)
326	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
327	int target_width = szHint.width;	321	int target_width = szHint.width;
328	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);
329		325
330	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)
331	{	330	{
332	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
336	}	335	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		336
343	if (!w) w = image_width;	337	if (!w) w = image_width;
344	if (!h) h = image_height;	338	if (!h) h = image_height;
345		339
346	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
347	{	341	{
348	x = -target_x;	342	x = -target_x;
349	y = -target_y;	343	y = -target_y;
350	}	344	}
351	else	345	else
352	{	346	{
353	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	349	}
379	ShadingInfo as_shade;	350	}
380	as_shade.shading = shade;
381		351
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	353	bool
384	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
387	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;
388		366
389	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
390	}	371	{
391		372	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
393	{	376	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
396	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);
397	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		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++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
398	{	445	{
399	destroy_asimage (&background);	446	a = pixel[3];
400	background = tmp;	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);
401	}	468	}
402	}
403	# endif
404		469
405	ASImage *result = 0;	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);
406		496
407	int target_width = szHint.width;	497	int target_width = szHint.width;
408	int target_height = szHint.height;	498	int target_height = szHint.height;
409	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
412	int x = 0;	502	int x = 0;
413	int y = 0;	503	int y = 0;
414	int w = 0;	504	int w = 0;
415	int h = 0;	505	int h = 0;
416		506
417	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		508
420	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	510	&& (x >= target_width
423	|| y >= target_height	511	|| y >= target_height
424	|| (x + w <= 0)	512	|| x + w <= 0
425	|| (y + h <= 0))))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
426	{	524	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		525
433	if (background_tint != TINT_LEAVE_SAME)	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);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
434	{	547	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	550	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		551
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None	552	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
554	{	555	{
555	if (bg_pixmap)	556	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
557	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);
558	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
560	}	561	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564		562
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);
710
711	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width
713	|| y >= target_height
714	|| (x + w <= 0)
715	|| (y + h <= 0)))
716	return false;
717
718	result = pixbuf;
719
720	if ((w != image_width)
721	|| (h != image_height))
722	{
723	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,
725	GDK_INTERP_BILINEAR);
726	}
727
728	if (!result)
729	return false;
730
731	bool ret = false;
732
733	XGCValues gcv;
734	GC gc;
735	Pixmap root_pmap;
736
737	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);
739
740	if (tr_flags)
741	{
742	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
743	bg_pixmap = None;
744	}
745	else
746	{
747	if (h_scale == 0 || v_scale == 0)
748	{
749	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);
751	}
752	}
753
754	if (bg_pixmap == None
755	|| bg_pmap_width != new_pmap_width
756	|| bg_pmap_height != new_pmap_height)
757	{
758	if (bg_pixmap)
759	XFreePixmap (dpy, bg_pixmap);
760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
761	bg_pmap_width = new_pmap_width;
762	bg_pmap_height = new_pmap_height;
763	}	564	}
764		565
765	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
767		568
768	if (gc)	569	if (gc)
769	{	570	{
770	if (h_scale == 0 || v_scale == 0)	571	if (image.flags & IM_TILE)
771	{	572	{
772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
773	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
774	0, 0,	575	0, 0,
775	0, 0,	576	0, 0,
776	image_width, image_height);	577	image_width, image_height, need_blend);
777		578
778	gcv.tile = tile;	579	gcv.tile = tile;
779	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
780	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
781	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
782	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
783		584
784	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);
785	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
786	}	587	}
787	else	588	else
788	{	589	{
789	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
793	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);
794		595
795	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
796	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
797	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
798	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);
799		600
800	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
801	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
802	src_x, src_y,	603	src_x, src_y,
803	dst_x, dst_y,	604	dst_x, dst_y,
804	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
805	}	606	}
806		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);
		612
807	#if XRENDER	613	#if XRENDER
808	if (tr_flags)	614	if (need_blend)
809	{	615	{
810	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
811
812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
814		620
815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
817		622
818	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
819	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
820	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
821	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
822	XFreePixmap (dpy, mask_pmap);
823		624
824	XRenderColor mask_c;	625	XRenderColor mask_c;
825		626
826	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
827	mask_c.red = 0;	628	mask_c.red =
828	mask_c.green = 0;	629	mask_c.green =
829	mask_c.blue = 0;	630	mask_c.blue = 0;
830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
831	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);
832		634
833	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
842	}	644	}
843		645
844	if (result != pixbuf)	646	if (result != pixbuf)
845	g_object_unref (result);	647	g_object_unref (result);
846		648
847	if (tr_flags)	649	if (need_blend)
848	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
849		651
850	return ret;	652	return ret;
851	}	653	}
852	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
853		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
854	bool	703	bool
855	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
856	{	705	{
857	if (!file || !*file)	706	if (!file || !*file)
858	return false;	707	return false;
859		708
860	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
861	{	712	{
862	size_t len = p - file;	713	size_t len = p - file;
863	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
864	memcpy (f, file, len);	715	memcpy (f, file, len);
865	f[len] = '\0';	716	f[len] = '\0';
866	file = f;	717	file = f;
867	}	718	}
868		719
869	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
870	if (!asimman)	721	alpha = 0x8000;
871	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
873	if (image)	724	return ret;
874	{	725	}
875	if (original_asim)	726
876	safe_asimage_destroy (original_asim);	727	bool
877	original_asim = image;	728	rxvt_image::set_file (const char *file)
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
879	return true;	730	bool ret = false;
880	}
881	# endif
882		731
883	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	734	if (image)
886	{	735	{
887	if (pixbuf)	736	if (pixbuf)
888	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
889	pixbuf = image;	738	pixbuf = image;
890	bg_flags |= BG_IS_FROM_FILE;
891	return true;	739	ret = true;
892	}	740	}
893	# endif	741	# endif
894		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
895	return false;	746	return ret;
896	}	747	}
897		748
898	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
899		750
900	# ifdef ENABLE_TRANSPARENCY
901	bool	751	bool
902	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
903	{
904	if (!(bg_flags & BG_IS_TRANSPARENT))
905	{
906	bg_flags |= BG_IS_TRANSPARENT;
907	return true;
908	}
909
910	return false;
911	}
912
913	bool
914	rxvt_term::bg_set_blur (const char *geom)
915	{	753	{
916	bool changed = false;	754	bool changed = false;
917	unsigned int hr, vr;	755	unsigned int hr, vr;
918	int junk;	756	int junk;
919	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
936	{	774	{
937	changed = true;	775	changed = true;
938	v_blurRadius = vr;	776	v_blurRadius = vr;
939	}	777	}
940		778
941	if (v_blurRadius == 0 && h_blurRadius == 0)
942	bg_flags &= ~BG_NEEDS_BLUR;
943	else
944	bg_flags |= BG_NEEDS_BLUR;
945
946	return changed;	779	return changed;
947	}	780	}
948		781
949	void
950	rxvt_term::set_tint_shade_flags ()
951	{
952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
953	bool has_shade = shade != 100;
954
955	bg_flags &= ~BG_TINT_FLAGS;
956
957	if (bg_flags & BG_TINT_SET)
958	{
959	tint.get (c);
960	if (!has_shade
961	&& (c.r <= 0x00ff || c.r >= 0xff00)
962	&& (c.g <= 0x00ff || c.g >= 0xff00)
963	&& (c.b <= 0x00ff || c.b >= 0xff00))
964	bg_flags |= BG_TINT_BITAND;
965	}
966
967	if (has_shade || (bg_flags & BG_TINT_SET))
968	bg_flags |= BG_NEEDS_TINT;
969	}
970
971	bool	782	bool
972	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
973	{	784	{
974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
975	{	786	{
976	tint = new_tint;	787	tint = new_tint;
977	bg_flags |= BG_TINT_SET;	788	tint_set = true;
978	set_tint_shade_flags ();	789
979	return true;	790	return true;
980	}	791	}
981		792
982	return false;	793	return false;
983	}	794	}
984		795
985	bool	796	bool
986	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
987	{	798	{
988	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
989		800
990	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
991	if (new_shade < 0)	802	if (new_shade < 0)
992	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
993		804
994	if (new_shade != shade)	805	if (new_shade != shade)
995	{	806	{
996	shade = new_shade;	807	shade = new_shade;
997	set_tint_shade_flags ();
998	return true;	808	return true;
999	}	809	}
1000		810
1001	return false;	811	return false;
1002	}	812	}
…		…
1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1024	}	834	}
1025	#endif	835	#endif
1026		836
1027	bool	837	bool
1028	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)
1029	{	839	{
1030	bool ret = false;	840	bool ret = false;
1031	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1033	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		848
1036	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1038		852
		853	pa.repeat = RepeatPad;
1039	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);
1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1041		858
1042	if (kernel && params)	859	if (kernel && params)
1043	{	860	{
1044	if (h_blurRadius)
1045	{
1046	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1048		863
1049	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1050	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1051	PictOpSrc,	866	PictOpSrc,
1052	src,	867	src,
1053	None,	868	None,
1054	dst,	869	dst,
1055	0, 0,	870	0, 0,
1056	0, 0,	871	0, 0,
1057	0, 0,	872	0, 0,
1058	width, height);	873	width, height);
1059	}
1060		874
1061	if (v_blurRadius)	875	::swap (src, dst);
1062	{	876
1063	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1065	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1066		880
1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1068	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1069	PictOpSrc,	883	PictOpSrc,
1070	src,	884	src,
1071	None,	885	None,
1072	dst,	886	dst,
1073	0, 0,	887	0, 0,
1074	0, 0,	888	0, 0,
1075	0, 0,	889	0, 0,
1076	width, height);	890	width, height);
1077	}
1078		891
1079	ret = true;	892	ret = true;
1080	}	893	}
1081		894
1082	free (kernel);	895	free (kernel);
…		…
1086	#endif	899	#endif
1087	return ret;	900	return ret;
1088	}	901	}
1089		902
1090	bool	903	bool
1091	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)
1092	{	905	{
1093	bool ret = false;	906	bool ret = false;
1094		907
1095	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))
1096	{	917	{
1097	XGCValues gcv;	918	XGCValues gcv;
1098	GC gc;	919	GC gc;
1099		920
1100	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110	ret = true;	931	ret = true;
1111	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1112	}	933	}
1113	}	934	}
1114	else
1115	{
1116	# if XRENDER	935	# if XRENDER
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1118		937	{
1119	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);
1121
1122	if (shade <= 100)	938	if (shade <= 100)
1123	{	939	{
1124	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1125	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1126	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1130	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1133	}	949	}
1134		950
1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1137	XRenderPictureAttributes pa;
1138		953
1139	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1140		955
1141	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1142		957
1143	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1144	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1145	XFreePixmap (dpy, overlay_pmap);
1146
1147	pa.component_alpha = True;
1148	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1149	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1150	XFreePixmap (dpy, mask_pmap);
1151		959
1152	XRenderColor mask_c;	960	XRenderColor mask_c;
1153		961
1154	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1155	mask_c.red =	963	mask_c.red =
…		…
1160	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1161	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1162	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1163	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1165	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);
1166		975
1167	if (shade > 100)	976	if (shade > 100)
1168	{	977	{
1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1170	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;
1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1172		983
1173	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);
1174	}	985	}
1175		986
1176	ret = true;	987	ret = true;
1177		988
1178	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1181	# endif	993	# endif
1182	}
1183		994
1184	return ret;	995	return ret;
1185	}	996	}
1186		997
		998	# ifdef ENABLE_TRANSPARENCY
1187	/*	999	/*
1188	* 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
1189	* 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
1190	* our window.	1002	* our window.
1191	*/	1003	*/
1192	unsigned long	1004	bool
1193	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1194	{	1006	{
1195	unsigned long result = 0;	1007	bool ret = false;
1196		1008
1197	/* 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
1198	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1199	*/	1011	*/
1200	int screen = display->screen;	1012	int screen = display->screen;
…		…
1238	#if XRENDER	1050	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1240	{	1052	{
1241	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);
1242		1054
1243	XRenderPictureAttributes pa;
1244
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		1057
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1250		1060
1251	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);
1252		1062
1253	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1254	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1271	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1272	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1273	}	1083	}
1274		1084
1275	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1276	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1277	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1278		1088
1279	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1094
1285	if (gc)	1095	if (gc)
1286	{	1096	{
1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
1289	XFreeGC (dpy, gc);	1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1290		1101
1291	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{	1103	{
1293	if ((bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{	1105	{
1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1297	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1298	}	1109	}
1299	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1301	{	1111	{
1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1303	result &= ~BG_NEEDS_TINT;	1113	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1114	need_tint = false;
		1115	}
		1116	if (need_tint)
		1117	{
		1118	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1119	if (ximage)
		1120	{
		1121	/* our own client-side tinting */
		1122	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1123
		1124	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1125	XDestroyImage (ximage);
		1126	}
1304	}	1127	}
1305	} /* server side rendering completed */	1128	} /* server side rendering completed */
		1129
		1130	XFreeGC (dpy, gc);
1306	}	1131	}
1307		1132
1308	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1309	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1310		1135
1311	return result;	1136	return ret;
1312	}	1137	}
1313		1138
1314	void	1139	void
1315	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1316	{	1141	{
…		…
1320		1145
1321	root_pixmap = new_root_pixmap;	1146	root_pixmap = new_root_pixmap;
1322	}	1147	}
1323	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1324		1149
1325	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1326	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1327	# endif
1328
1329	bool	1150	bool
1330	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1331	{	1152	{
1332	unsigned long tr_flags = 0;
1333
1334	bg_invalidate ();	1153	bg_invalidate ();
1335	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1336	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1337	{	1156	{
1338	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1339	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1340	if (tr_flags == 0)
1341	return false;
1342	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1343	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1344	}	1160	}
1345	# endif	1161	# endif
1346		1162
1347	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1348	if ((bg_flags & BG_IS_FROM_FILE)	1164	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1350	{	1165	{
1351	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1352	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1353	}
1354	# endif
1355
1356	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1357	XImage *result = NULL;
1358
1359	if (tr_flags && !(bg_flags & BG_IS_VALID))
1360	{
1361	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1362	}
1363
1364	if (result)
1365	{
1366	/* our own client-side tinting */
1367	if (tr_flags & BG_NEEDS_TINT)
1368	{
1369	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1370	if (bg_flags & BG_TINT_SET)
1371	tint.get (c);
1372	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1373	}
1374
1375	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1376
1377	if (gc)
1378	{
1379	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1380
1381	XFreeGC (dpy, gc);
1382	bg_flags |= BG_IS_VALID;
1383	}
1384
1385	XDestroyImage (result);
1386	}	1168	}
1387	# endif	1169	# endif
1388		1170
1389	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
1390	{	1172	{
…		…
1404	}	1186	}
1405		1187
1406	void	1188	void
1407	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1408	{	1190	{
1409	#ifdef ENABLE_TRANSPARENCY
1410	shade = 100;
1411	#endif
1412
1413	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1414	#if XRENDER	1192	#if XRENDER
1415	int major, minor;	1193	int major, minor;
1416	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1417	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1423	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1424		1202
1425	XFree (filters);	1203	XFree (filters);
1426	}	1204	}
1427	#endif	1205	#endif
1428	}
1429		1206
1430	#endif /* HAVE_BG_PIXMAP */	1207	#ifdef BG_IMAGE_FROM_FILE
		1208	if (rs[Rs_backgroundPixmap])
		1209	{
		1210	rxvt_image *image = new_image ();
		1211	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1212	image_vec.pop_back ();
		1213	}
1431		1214
1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1215	# ifndef NO_RESOURCES
		1216	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1217	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1218	while (bg_image != image_vec.end ())
		1219	{
		1220	if (!(bg_image->flags & IM_IS_SET))
		1221	bg_image = image_vec.erase (bg_image);
		1222	else
		1223	{
		1224	if (bg_image->is_size_sensitive ())
		1225	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1226
		1227	bg_image++;
		1228	}
		1229	}
		1230	# endif
		1231
		1232	if (image_vec.size () > 0
		1233	&& !bg_window_position_sensitive ())
		1234	update_background ();
		1235	#endif
		1236	}
		1237
1433	/* taken from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1434		1239
1435	static void	1240	static inline void
1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1437	{	1242	{
		1243	for (int i = 0; i <= mask >> sh; i++)
		1244	{
		1245	uint32_t tmp;
		1246	tmp = i * high;
		1247	tmp += (mask >> sh) * low;
		1248	lookup[i] = (tmp / 0xffff) << sh;
		1249	}
		1250	}
		1251
		1252	void
		1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1254	{
		1255	unsigned int size_r, size_g, size_b;
1438	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1439	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1441	rgba low;	1259	unsigned short low;
1442	rgba high;
1443	int i;
1444	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1445		1261
1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1262	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1447		1263
1448	/* for convenience */	1264	/* for convenience */
1449	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1452		1268
1453	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1455	{	1271	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1273
1458	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1275	size_g = mask_g >> sh_g;
		1276	size_b = mask_b >> sh_b;
		1277
		1278	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1279	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1280
		1281	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1282	lookup_r = lookup;
1463	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1284	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;	1285
1466	sh_g = 5;	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1467	sh_b = 0;	1287
1468	break;	1288	if (tint_set)
1469	case 16:	1289	tint.get (c);
1470	if ((mask_r != 0xf800) ||
1471	(mask_g != 0x07e0) ||
1472	(mask_b != 0x001f))
1473	return;
1474	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1475	lookup_r = lookup;
1476	lookup_g = lookup+32;
1477	lookup_b = lookup+32+64;
1478	sh_r = 11;
1479	sh_g = 5;
1480	sh_b = 0;
1481	break;
1482	case 24:
1483	if ((mask_r != 0xff0000) ||
1484	(mask_g != 0x00ff00) ||
1485	(mask_b != 0x0000ff))
1486	return;
1487	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1488	lookup_r = lookup;
1489	lookup_g = lookup+256;
1490	lookup_b = lookup+256+256;
1491	sh_r = 16;
1492	sh_g = 8;
1493	sh_b = 0;
1494	break;
1495	case 32:
1496	if ((mask_r != 0xff0000) ||
1497	(mask_g != 0x00ff00) ||
1498	(mask_b != 0x0000ff))
1499	return;
1500	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1501	lookup_r = lookup;
1502	lookup_g = lookup+256;
1503	lookup_b = lookup+256+256;
1504	sh_r = 16;
1505	sh_g = 8;
1506	sh_b = 0;
1507	break;
1508	default:
1509	return; /* we do not support this color depth */
1510	}
1511		1290
1512	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1292	if (shade > 100)
1514	{	1293	{
1515	shade = 200 - shade;
1516
1517	high.r = c.r * shade / 100;
1518	high.g = c.g * shade / 100;
1519	high.b = c.b * shade / 100;
1520
1521	low.r = 65535 * (100 - shade) / 100;	1294	c.r = c.r * (200 - shade) / 100;
1522	low.g = 65535 * (100 - shade) / 100;	1295	c.g = c.g * (200 - shade) / 100;
1523	low.b = 65535 * (100 - shade) / 100;	1296	c.b = c.b * (200 - shade) / 100;
		1297
		1298	low = 0xffff * (shade - 100) / 100;
1524	}	1299	}
1525	else	1300	else
1526	{	1301	{
1527	high.r = c.r * shade / 100;	1302	c.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;	1303	c.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;	1304	c.b = c.b * shade / 100;
1530		1305
1531	low.r = low.g = low.b = 0;	1306	low = 0;
1532	}	1307	}
1533		1308
1534	/* fill our lookup tables */	1309	/* fill our lookup tables */
1535	for (i = 0; i <= mask_r>>sh_r; i++)	1310	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1536	{	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	uint32_t tmp;	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1538	tmp = i * high.r;
1539	tmp += (mask_r>>sh_r) * low.r;
1540	lookup_r[i] = (tmp/65535)<<sh_r;
1541	}
1542	for (i = 0; i <= mask_g>>sh_g; i++)
1543	{
1544	uint32_t tmp;
1545	tmp = i * high.g;
1546	tmp += (mask_g>>sh_g) * low.g;
1547	lookup_g[i] = (tmp/65535)<<sh_g;
1548	}
1549	for (i = 0; i <= mask_b>>sh_b; i++)
1550	{
1551	uint32_t tmp;
1552	tmp = i * high.b;
1553	tmp += (mask_b>>sh_b) * low.b;
1554	lookup_b[i] = (tmp/65535)<<sh_b;
1555	}
1556		1313
1557	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1558	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1559	&& (ximage->depth == 24 || ximage->depth == 32)
1560	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1561	{	1317	{
1562	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1563	p1 = (uint32_t *) ximage->data;
1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1565		1319
1566	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1567	{	1321	{
1568	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1569	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1570	for (; p < pl; p++)
1571	{	1324	{
1572	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1573	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1574	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1575	(*p & 0xff000000);	1328	p++;
1576	}	1329	}
1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1578	}	1331	}
1579	}	1332	}
1580	else	1333	else
1581	{	1334	{
1582	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1590	}	1343	}
1591	}	1344	}
1592		1345
1593	free (lookup);	1346	free (lookup);
1594	}	1347	}
1595	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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