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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.157 by sf-exg, Tue Aug 9 21:48:00 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	*/
61		40
62	#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
63	void	60	void
64	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
65	{	62	{
66	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
67	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
68	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
69	if (asv)
70	destroy_asvisual (asv, 0);
71	if (asimman)
72	destroy_image_manager (asimman, 0);
73	#endif	66	# endif
74
75	#ifdef HAVE_PIXBUF
76	if (pixbuf)
77	g_object_unref (pixbuf);
78	#endif
79		67
80	if (bg_pixmap)	68	if (bg_pixmap)
81	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
82	}	70	}
83		71
…		…
102	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
103	return true;	91	return true;
104	# endif	92	# endif
105		93
106	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
107	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++)
108	{	96	{
109	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)
110	return true;	100	return true;
111	}	101	}
112	# endif	102	# endif
113		103
114	return false;	104	return false;
…		…
121	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
122	return true;	112	return true;
123	# endif	113	# endif
124		114
125	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
126	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++)
127	{	117	{
128	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
129	return true;	119	return true;
130	}	120	}
131	# endif	121	# endif
132		122
133	return false;	123	return false;
134	}	124	}
135		125
136	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
137	static inline bool
138	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
139	{
140	if (geom_flags & flag)
141	{
142	if (new_value > 1000)
143	new_value = 1000;
144	if (new_value != scale)
145	{
146	scale = new_value;
147	return true;
148	}
149	}
150	return false;
151	}
152
153	static inline bool
154	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
155	{
156	if (geom_flags & flag)
157	{
158	if (new_value < -100)
159	new_value = -100;
160	else if (new_value > 200)
161	new_value = 200;
162	if (new_value != align)
163	{
164	align = new_value;
165	return true;
166	}
167	}
168	return false;
169	}
170
171	static inline int	127	static inline int
172	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
173	{	129	{
174	int diff = window_size - image_size;
175	int smaller = min (image_size, window_size);
176
177	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
178	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
179	else if (align > 100 && align <= 200)	132	else if (align > 100)
180	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
181	else if (align >= -100 && align < 0)	134	else
182	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
183	return 0;
184	}	136	}
185		137
186	static inline int	138	static inline int
187	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)
188	{	140	{
…		…
194	src_pos = -pos;	146	src_pos = -pos;
195	dst_pos = 0;	147	dst_pos = 0;
196	dst_size += pos;	148	dst_size += pos;
197	}	149	}
198		150
199	if (dst_pos + dst_size > target_size)
200	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
201	return src_pos;	152	return src_pos;
202	}	153	}
203		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
204	bool	190	bool
205	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
206	{	192	{
207	bool changed = false;	193	bool changed = false;
208	int geom_flags = 0;	194	int geom_flags = 0;
209	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
210	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
211	unsigned int n;	198	unsigned int h = v_scale;
212	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	199	uint8_t new_flags = 0;
213	const char *ops;
214		200
215	if (geom == NULL)	201	if (geom == NULL)
216	return false;	202	return false;
217		203
218	char str[256];	204	if (geom[0])
219
220	ops = strchr (geom, ':');
221	if (ops == NULL)
222	n = strlen (geom);
223	else
224	n = ops - geom;
225
226	if (n >= sizeof (str))
227	return false;
228
229	memcpy (str, geom, n);
230	str[n] = '\0';
231	rxvt_strtrim (str);
232
233	if (str[0])
234	{	205	{
235	/* we have geometry string - let's handle it prior to applying ops */	206	char **arr = rxvt_strsplit (':', geom);
		207
		208	for (int i = 0; arr[i]; i++)
		209	{
		210	if (!strncasecmp (arr[i], "style=", 6))
		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;
		226	w = h = noScale;
		227	geom_flags |= WidthValue|HeightValue;
		228	}
		229	else if (!strcasecmp (arr[i], "propscale"))
		230	{
		231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
		234	}
		235	else if (!strcasecmp (arr[i], "hscale"))
		236	{
		237	new_flags |= IM_TILE;
		238	w = windowScale;
		239	h = noScale;
		240	geom_flags |= WidthValue|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "vscale"))
		243	{
		244	new_flags |= IM_TILE;
		245	h = windowScale;
		246	w = noScale;
		247	geom_flags |= WidthValue|HeightValue;
		248	}
		249	else if (!strcasecmp (arr[i], "scale"))
		250	{
		251	w = h = windowScale;
		252	geom_flags |= WidthValue|HeightValue;
		253	}
		254	else if (!strcasecmp (arr[i], "auto"))
		255	{
		256	w = h = windowScale;
		257	x = y = centerAlign;
		258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		259	}
		260	else if (!strcasecmp (arr[i], "root"))
		261	{
		262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		263	w = h = noScale;
		264	geom_flags |= WidthValue|HeightValue;
		265	}
		266
		267	else
236	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
237	} /* done parsing geometry string */	269	} /* done parsing ops */
		270
		271	rxvt_free_strsplit (arr);
		272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
238		275
239	if (!update)	276	if (!update)
240	{	277	{
241	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
242	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
247	w = h = defaultScale;	284	w = h = defaultScale;
248	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
249	h = w;	286	h = w;
250	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
251	w = h;	288	w = h;
252
253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
254	}
255
256	if (ops)
257	{	289	}
258	char **arr = rxvt_strsplit (':', ops + 1);
259		290
260	for (int i = 0; arr[i]; i++)	291	clamp_it (x, -100, 200);
261	{	292	clamp_it (y, -100, 200);
262	if (!strcasecmp (arr[i], "tile"))
263	{
264	new_flags |= BG_TILE;
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		293
276	h = noScale;	294	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	295	|| h_scale != w
278	}	296	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	297	|| h_align != x
280	{	298	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "root"))
294	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;
296	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;
298	}
299	} /* done parsing ops */
300
301	rxvt_free_strsplit (arr);
302	}	299	{
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{
311	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
312	changed = true;	305	changed = true;
313	}	306	}
314		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
315	return changed;	313	return changed;
316	}	314	}
317		315
318	void	316	void
319	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)
320	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
321	int target_width = szHint.width;	321	int target_width = szHint.width;
322	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);
323		325
324	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)
325	{	330	{
326	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
327	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
328	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
329	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
330	}	335	}
331	else
332	{
333	w = h_scale * target_width / 100;
334	h = v_scale * target_height / 100;
335	}
336		336
337	if (!w) w = image_width;	337	if (!w) w = image_width;
338	if (!h) h = image_height;	338	if (!h) h = image_height;
339		339
340	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
341	{	341	{
342	x = -target_x;	342	x = -target_x;
343	y = -target_y;	343	y = -target_y;
344	}	344	}
345	else	345	else
346	{	346	{
347	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	349	}
374	ShadingInfo as_shade;	350	}
375	as_shade.shading = shade;
376		351
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	353	bool
379	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
382	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;
383		366
384	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
385	}	371	{
386		372	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
388	{	376	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
390	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
391	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);
392	if (tmp)	384	if (format)
393	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
394	destroy_asimage (&background);	386	else
395	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++)
396	}	439	{
397	}	440	unsigned char *pixel = row + x * channels;
398	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
399		443
400	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);
401		496
402	int target_width = szHint.width;	497	int target_width = szHint.width;
403	int target_height = szHint.height;	498	int target_height = szHint.height;
404	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
407	int x = 0;	502	int x = 0;
408	int y = 0;	503	int y = 0;
409	int w = 0;	504	int w = 0;
410	int h = 0;	505	int h = 0;
411		506
412	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		508
415	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	510	&& (x >= target_width
418	|| y >= target_height	511	|| y >= target_height
419	|| (x + w <= 0)	512	|| x + w <= 0
420	|| (y + h <= 0))))	513	|| y + h <= 0))
421	{	514	return false;
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		515
428	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
429	{	517
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
431	target_width, target_height, background_tint,	519	|| h != image_height)
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}	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);
440	else	540	else
441	{	541	{
442	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
443		543	// other pixbufs to render. Otherwise, the bg pixmap size must
444	if ((w != original_asim->width)	544	// be equal to the window size.
445	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
446	{	546	&& image_vec.size () == 1)
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	background ? ASA_ASImage : ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}	547	{
452		548	new_pmap_width = min (image_width, target_width);
453	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
454	{	550	}
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461		551
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	552	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
549	{	555	{
550	if (bg_pixmap)	556	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
552	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);
553	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
555	}	561	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		562
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| (x + w <= 0)
710	|| (y + h <= 0)))
711	return false;
712
713	result = pixbuf;
714
715	if ((w != image_width)
716	|| (h != image_height))
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	564	}
759		565
760	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		568
763	if (gc)	569	if (gc)
764	{	570	{
765	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
766	{	572	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	575	0, 0,
770	0, 0,	576	0, 0,
771	image_width, image_height);	577	image_width, image_height, need_blend);
772		578
773	gcv.tile = tile;	579	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		584
779	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);
780	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
781	}	587	}
782	else	588	else
783	{	589	{
784	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
788	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);
789		595
790	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
793	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);
794		600
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	603	src_x, src_y,
798	dst_x, dst_y,	604	dst_x, dst_y,
799	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
800	}	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);
801		612
802	#if XRENDER	613	#if XRENDER
803	if (tr_flags)	614	if (need_blend)
804	{	615	{
805	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		620
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		622
813	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		624
819	XRenderColor mask_c;	625	XRenderColor mask_c;
820		626
821	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
822	mask_c.red = 0;	628	mask_c.red =
823	mask_c.green = 0;	629	mask_c.green =
824	mask_c.blue = 0;	630	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
826	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);
827		634
828	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
837	}	644	}
838		645
839	if (result != pixbuf)	646	if (result != pixbuf)
840	g_object_unref (result);	647	g_object_unref (result);
841		648
842	if (tr_flags)	649	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
844		651
845	return ret;	652	return ret;
846	}	653	}
847	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
848		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
849	bool	703	bool
850	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
851	{	705	{
852	if (!file || !*file)	706	if (!file || !*file)
853	return false;	707	return false;
854		708
855	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
856	{	712	{
857	size_t len = p - file;	713	size_t len = p - file;
858	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
859	memcpy (f, file, len);	715	memcpy (f, file, len);
860	f[len] = '\0';	716	f[len] = '\0';
861	file = f;	717	file = f;
862	}	718	}
863		719
864	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
865	if (!asimman)	721	alpha = 0x8000;
866	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
867	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
868	if (image)	724	return ret;
869	{	725	}
870	if (original_asim)	726
871	safe_asimage_destroy (original_asim);	727	bool
872	original_asim = image;	728	rxvt_image::set_file (const char *file)
873	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
874	return true;	730	bool ret = false;
875	}
876	# endif
877		731
878	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
879	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
880	if (image)	734	if (image)
881	{	735	{
882	if (pixbuf)	736	if (pixbuf)
883	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
884	pixbuf = image;	738	pixbuf = image;
885	bg_flags |= BG_IS_FROM_FILE;
886	return true;	739	ret = true;
887	}	740	}
888	# endif	741	# endif
889		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
890	return false;	746	return ret;
891	}	747	}
892		748
893	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
894		750
895	# ifdef ENABLE_TRANSPARENCY
896	bool	751	bool
897	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
898	{
899	if (!(bg_flags & BG_IS_TRANSPARENT))
900	{
901	bg_flags |= BG_IS_TRANSPARENT;
902	return true;
903	}
904
905	return false;
906	}
907
908	bool
909	rxvt_term::bg_set_blur (const char *geom)
910	{	753	{
911	bool changed = false;	754	bool changed = false;
912	unsigned int hr, vr;	755	unsigned int hr, vr;
913	int junk;	756	int junk;
914	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
931	{	774	{
932	changed = true;	775	changed = true;
933	v_blurRadius = vr;	776	v_blurRadius = vr;
934	}	777	}
935		778
936	if (v_blurRadius == 0 && h_blurRadius == 0)
937	bg_flags &= ~BG_NEEDS_BLUR;
938	else
939	bg_flags |= BG_NEEDS_BLUR;
940
941	return changed;	779	return changed;
942	}	780	}
943		781
944	void
945	rxvt_term::set_tint_shade_flags ()
946	{
947	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
948	bool has_shade = shade != 100;
949
950	bg_flags &= ~BG_TINT_FLAGS;
951
952	if (bg_flags & BG_TINT_SET)
953	{
954	tint.get (c);
955	if (!has_shade
956	&& (c.r <= 0x00ff || c.r >= 0xff00)
957	&& (c.g <= 0x00ff || c.g >= 0xff00)
958	&& (c.b <= 0x00ff || c.b >= 0xff00))
959	bg_flags |= BG_TINT_BITAND;
960	}
961
962	if (has_shade || (bg_flags & BG_TINT_SET))
963	bg_flags |= BG_NEEDS_TINT;
964	}
965
966	bool	782	bool
967	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
968	{	784	{
969	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
970	{	786	{
971	tint = new_tint;	787	tint = new_tint;
972	bg_flags |= BG_TINT_SET;	788	tint_set = true;
973	set_tint_shade_flags ();	789
974	return true;	790	return true;
975	}	791	}
976		792
977	return false;	793	return false;
978	}	794	}
979		795
980	bool	796	bool
981	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
982	{	798	{
983	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
984		800
985	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
986	if (new_shade < 0)	802	if (new_shade < 0)
987	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
988		804
989	if (new_shade != shade)	805	if (new_shade != shade)
990	{	806	{
991	shade = new_shade;	807	shade = new_shade;
992	set_tint_shade_flags ();
993	return true;	808	return true;
994	}	809	}
995		810
996	return false;	811	return false;
997	}	812	}
…		…
1018	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1019	}	834	}
1020	#endif	835	#endif
1021		836
1022	bool	837	bool
1023	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)
1024	{	839	{
1025	bool ret = false;	840	bool ret = false;
1026	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1027	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1028	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1029	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1030		848
1031	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1032	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1033		852
		853	pa.repeat = RepeatPad;
1034	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);
1035	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1036		858
1037	if (kernel && params)	859	if (kernel && params)
1038	{	860	{
1039	if (h_blurRadius)
1040	{
1041	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1042	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1043		863
1044	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1045	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1046	PictOpSrc,	866	PictOpSrc,
1047	src,	867	src,
1048	None,	868	None,
1049	dst,	869	dst,
1050	0, 0,	870	0, 0,
1051	0, 0,	871	0, 0,
1052	0, 0,	872	0, 0,
1053	width, height);	873	width, height);
1054	}
1055		874
1056	if (v_blurRadius)	875	::swap (src, dst);
1057	{	876
1058	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1059	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1060	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1061		880
1062	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1063	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1064	PictOpSrc,	883	PictOpSrc,
1065	src,	884	src,
1066	None,	885	None,
1067	dst,	886	dst,
1068	0, 0,	887	0, 0,
1069	0, 0,	888	0, 0,
1070	0, 0,	889	0, 0,
1071	width, height);	890	width, height);
1072	}
1073		891
1074	ret = true;	892	ret = true;
1075	}	893	}
1076		894
1077	free (kernel);	895	free (kernel);
…		…
1081	#endif	899	#endif
1082	return ret;	900	return ret;
1083	}	901	}
1084		902
1085	bool	903	bool
1086	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)
1087	{	905	{
1088	bool ret = false;	906	bool ret = false;
1089		907
1090	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))
1091	{	917	{
1092	XGCValues gcv;	918	XGCValues gcv;
1093	GC gc;	919	GC gc;
1094		920
1095	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1104	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1105	ret = true;	931	ret = true;
1106	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1107	}	933	}
1108	}	934	}
1109	else
1110	{
1111	# if XRENDER	935	# if XRENDER
1112	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1113		937	{
1114	if (bg_flags & BG_TINT_SET)
1115	tint.get (c);
1116
1117	if (shade <= 100)	938	if (shade <= 100)
1118	{	939	{
1119	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1120	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1121	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1125	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1126	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1127	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1128	}	949	}
1129		950
1130	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1131	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1132	XRenderPictureAttributes pa;
1133		953
1134	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1135		955
1136	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1137		957
1138	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1139	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1140	XFreePixmap (dpy, overlay_pmap);
1141
1142	pa.component_alpha = True;
1143	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1144	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1145	XFreePixmap (dpy, mask_pmap);
1146		959
1147	XRenderColor mask_c;	960	XRenderColor mask_c;
1148		961
1149	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1150	mask_c.red =	963	mask_c.red =
…		…
1155	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1156	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1157	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1158	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1159	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1160	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);
1161		975
1162	if (shade > 100)	976	if (shade > 100)
1163	{	977	{
1164	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1165	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;
1166	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1167		983
1168	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);
1169	}	985	}
1170		986
1171	ret = true;	987	ret = true;
1172		988
1173	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1174	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1175	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1176	# endif	993	# endif
1177	}
1178		994
1179	return ret;	995	return ret;
1180	}	996	}
1181		997
		998	# ifdef ENABLE_TRANSPARENCY
1182	/*	999	/*
1183	* 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
1184	* 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
1185	* our window.	1002	* our window.
1186	*/	1003	*/
1187	unsigned long	1004	bool
1188	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1189	{	1006	{
1190	unsigned long result = 0;	1007	bool ret = false;
1191		1008
1192	/* 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
1193	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1194	*/	1011	*/
1195	int screen = display->screen;	1012	int screen = display->screen;
…		…
1233	#if XRENDER	1050	#if XRENDER
1234	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1235	{	1052	{
1236	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);
1237		1054
1238	XRenderPictureAttributes pa;
1239
1240	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1241	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1242		1057
1243	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1244	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1245		1060
1246	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);
1247		1062
1248	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1249	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1266	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1267	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1268	}	1083	}
1269		1084
1270	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1271	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1272	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1273		1088
1274	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1275	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1276	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1277	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1278	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1279		1094
1280	if (gc)	1095	if (gc)
1281	{	1096	{
1282	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1283	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
1284	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1285
1286	if (!(bg_flags & BG_CLIENT_RENDER))
1287	{
1288	if ((bg_flags & BG_NEEDS_BLUR)
1289	&& (bg_flags & BG_HAS_RENDER_CONV))
1290	{
1291	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1292	result &= ~BG_NEEDS_BLUR;
1293	}
1294	if ((bg_flags & BG_NEEDS_TINT)
1295	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1296	{
1297	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1298	result &= ~BG_NEEDS_TINT;
1299	}
1300	} /* server side rendering completed */
1301	}	1128	}
1302		1129
1303	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1304	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1305		1132
1306	return result;	1133	return ret;
1307	}	1134	}
1308		1135
1309	void	1136	void
1310	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1311	{	1138	{
…		…
1315		1142
1316	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1317	}	1144	}
1318	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1319		1146
1320	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1321	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1322	# endif
1323
1324	bool	1147	bool
1325	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1326	{	1149	{
1327	unsigned long tr_flags = 0;
1328
1329	bg_invalidate ();	1150	bg_invalidate ();
1330	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1331	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1332	{	1153	{
1333	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1334	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1335	if (tr_flags == 0)
1336	return false;
1337	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1338	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1339	}	1157	}
1340	# endif	1158	# endif
1341		1159
1342	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1343	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++)
1344	|| (tr_flags & BG_EFFECTS_FLAGS))
1345	{	1162	{
1346	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1347	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1348	}
1349	# endif
1350
1351	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1352	XImage *result = NULL;
1353
1354	if (tr_flags && !(bg_flags & BG_IS_VALID))
1355	{
1356	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1357	}
1358
1359	if (result)
1360	{
1361	/* our own client-side tinting */
1362	if (tr_flags & BG_NEEDS_TINT)
1363	{
1364	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1365	if (bg_flags & BG_TINT_SET)
1366	tint.get (c);
1367	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1368	}
1369
1370	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1371
1372	if (gc)
1373	{
1374	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1375
1376	XFreeGC (dpy, gc);
1377	bg_flags |= BG_IS_VALID;
1378	}
1379
1380	XDestroyImage (result);
1381	}	1165	}
1382	# endif	1166	# endif
1383		1167
1384	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1385	{	1169	{
…		…
1399	}	1183	}
1400		1184
1401	void	1185	void
1402	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1403	{	1187	{
1404	#ifdef ENABLE_TRANSPARENCY
1405	shade = 100;
1406	#endif
1407
1408	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1409	#if XRENDER	1189	#if XRENDER
1410	int major, minor;	1190	int major, minor;
1411	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1412	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1418	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1419		1199
1420	XFree (filters);	1200	XFree (filters);
1421	}	1201	}
1422	#endif	1202	#endif
1423	}
1424		1203
1425	#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	}
1426		1211
1427	#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
1428	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1429		1236
1430	static void	1237	static inline void
1431	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)
1432	{	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;
1433	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1434	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1435	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1436	rgba low;	1256	unsigned short low;
1437	rgba high;
1438	int i;
1439	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1440		1258
1441	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1442		1260
1443	/* for convenience */	1261	/* for convenience */
1444	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1445	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1446	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1447		1265
1448	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1449	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1450	{	1268	sh_g = ecb_ctz32 (mask_g);
1451	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1452	if ((mask_r != 0x7c00) ||	1270
1453	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1454	(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)
1455	return;	1276	return;
1456	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));
1457	lookup_r = lookup;	1279	lookup_r = lookup;
1458	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1459	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1460	sh_r = 10;	1282
1461	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1462	sh_b = 0;	1284
1463	break;	1285	if (tint_set)
1464	case 16:	1286	tint.get (c);
1465	if ((mask_r != 0xf800) ||
1466	(mask_g != 0x07e0) ||
1467	(mask_b != 0x001f))
1468	return;
1469	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1470	lookup_r = lookup;
1471	lookup_g = lookup+32;
1472	lookup_b = lookup+32+64;
1473	sh_r = 11;
1474	sh_g = 5;
1475	sh_b = 0;
1476	break;
1477	case 24:
1478	if ((mask_r != 0xff0000) ||
1479	(mask_g != 0x00ff00) ||
1480	(mask_b != 0x0000ff))
1481	return;
1482	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1483	lookup_r = lookup;
1484	lookup_g = lookup+256;
1485	lookup_b = lookup+256+256;
1486	sh_r = 16;
1487	sh_g = 8;
1488	sh_b = 0;
1489	break;
1490	case 32:
1491	if ((mask_r != 0xff0000) ||
1492	(mask_g != 0x00ff00) ||
1493	(mask_b != 0x0000ff))
1494	return;
1495	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1496	lookup_r = lookup;
1497	lookup_g = lookup+256;
1498	lookup_b = lookup+256+256;
1499	sh_r = 16;
1500	sh_g = 8;
1501	sh_b = 0;
1502	break;
1503	default:
1504	return; /* we do not support this color depth */
1505	}
1506		1287
1507	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1508	if (shade > 100)	1289	if (shade > 100)
1509	{	1290	{
1510	shade = 200 - shade;
1511
1512	high.r = c.r * shade / 100;
1513	high.g = c.g * shade / 100;
1514	high.b = c.b * shade / 100;
1515
1516	low.r = 65535 * (100 - shade) / 100;	1291	c.r = c.r * (200 - shade) / 100;
1517	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1518	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1519	}	1296	}
1520	else	1297	else
1521	{	1298	{
1522	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1523	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1524	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1525		1302
1526	low.r = low.g = low.b = 0;	1303	low = 0;
1527	}	1304	}
1528		1305
1529	/* fill our lookup tables */	1306	/* fill our lookup tables */
1530	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1531	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1532	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1533	tmp = i * high.r;
1534	tmp += (mask_r>>sh_r) * low.r;
1535	lookup_r[i] = (tmp/65535)<<sh_r;
1536	}
1537	for (i = 0; i <= mask_g>>sh_g; i++)
1538	{
1539	uint32_t tmp;
1540	tmp = i * high.g;
1541	tmp += (mask_g>>sh_g) * low.g;
1542	lookup_g[i] = (tmp/65535)<<sh_g;
1543	}
1544	for (i = 0; i <= mask_b>>sh_b; i++)
1545	{
1546	uint32_t tmp;
1547	tmp = i * high.b;
1548	tmp += (mask_b>>sh_b) * low.b;
1549	lookup_b[i] = (tmp/65535)<<sh_b;
1550	}
1551		1310
1552	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1553	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1554	&& (ximage->depth == 24 || ximage->depth == 32)
1555	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1556	{	1314	{
1557	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1558	p1 = (uint32_t *) ximage->data;
1559	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1560		1316
1561	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1562	{	1318	{
1563	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1564	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1565	for (; p < pl; p++)
1566	{	1321	{
1567	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1568	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1569	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1570	(*p & 0xff000000);	1325	p++;
1571	}	1326	}
1572	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1573	}	1328	}
1574	}	1329	}
1575	else	1330	else
1576	{	1331	{
1577	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1585	}	1340	}
1586	}	1341	}
1587		1342
1588	free (lookup);	1343	free (lookup);
1589	}	1344	}
1590	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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