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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 1.221 by sf-exg, Fri May 25 09:27:35 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 (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
321	return changed;	315	return changed;
322	}	316	}
323		317
324	void	318	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
327	int target_width = szHint.width;	323	int target_width = szHint.width;
328	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		327
330	if (bg_flags & BG_PROP_SCALE)	328	w = h_scale * target_width / 100;
		329	h = v_scale * target_height / 100;
		330
		331	if (image.flags & IM_KEEP_ASPECT)
331	{	332	{
332	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
336	}	337	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		338
343	if (!w) w = image_width;	339	if (!w) w = image_width;
344	if (!h) h = image_height;	340	if (!h) h = image_height;
345		341
346	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
347	{	343	{
348	x = -target_x;	344	x = -target_x;
349	y = -target_y;	345	y = -target_y;
350	}	346	}
351	else	347	else
352	{	348	{
353	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	350	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	{	351	}
379	ShadingInfo as_shade;	352	}
380	as_shade.shading = shade;
381		353
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	355	bool
384	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
388		368
389	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
390	}	373	{
391		374	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
393	{	378	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
396	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
398	{	447	{
399	destroy_asimage (&background);	448	a = pixel[3];
400	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
401	}	470	}
402	}
403	# endif
404		471
405	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
406		498
407	int target_width = szHint.width;	499	int target_width = szHint.width;
408	int target_height = szHint.height;	500	int target_height = szHint.height;
409	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
412	int x = 0;	504	int x = 0;
413	int y = 0;	505	int y = 0;
414	int w = 0;	506	int w = 0;
415	int h = 0;	507	int h = 0;
416		508
417	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		510
420	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	512	&& (x >= target_width
423	|| y >= target_height	513	|| y >= target_height
424	|| (x + w <= 0)	514	|| x + w <= 0
425	|| (y + h <= 0))))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
426	{	526	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		527
433	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
434	{	549	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	552	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		553
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	554	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
554	{	557	{
555	if (bg_pixmap)	558	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
560	}	563	}
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		564
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;	565	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	}	566	}
764		567
765	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
767		570
768	if (gc)	571	if (gc)
769	{	572	{
770	if (h_scale == 0 || v_scale == 0)	573	if (image.flags & IM_TILE)
771	{	574	{
772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
773	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
774	0, 0,	577	0, 0,
775	0, 0,	578	0, 0,
776	image_width, image_height);	579	image_width, image_height, need_blend);
777		580
778	gcv.tile = tile;	581	gcv.tile = tile;
779	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
780	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
781	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
782	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
783		586
784	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
785	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
786	}	589	}
787	else	590	else
788	{	591	{
789	int src_x, src_y, dst_x, dst_y;	592	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);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
794		597
795	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
796	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
797	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799		602
800	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
801	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
802	src_x, src_y,	605	src_x, src_y,
803	dst_x, dst_y,	606	dst_x, dst_y,
804	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
805	}	608	}
806		609
807	#if XRENDER	610	#if XRENDER
808	if (tr_flags)	611	if (need_blend)
809	{	612	{
810	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
811
812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
814		617
815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
817		619
818	pa.repeat = True;	620	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		621
824	XRenderColor mask_c;	622	XRenderColor mask_c;
825		623
826	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
827	mask_c.red = 0;	625	mask_c.red =
828	mask_c.green = 0;	626	mask_c.green =
829	mask_c.blue = 0;	627	mask_c.blue = 0;
830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
831	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
832		631
833	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
842	}	641	}
843		642
844	if (result != pixbuf)	643	if (result != pixbuf)
845	g_object_unref (result);	644	g_object_unref (result);
846		645
847	if (tr_flags)	646	if (need_blend)
848	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
849		648
850	return ret;	649	return ret;
851	}	650	}
852	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
853		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	rxvt_image *image;
		680
		681	for (image = image_vec.begin (); image < image_vec.end (); image++)
		682	if (image->id == id)
		683	break;
		684
		685	if (image == image_vec.end ())
		686	{
		687	image = new_image ();
		688	image->id = id;
		689	}
		690	}
		691	# endif
		692
		693	rxvt_image::rxvt_image ()
		694	{
		695	id =
		696	alpha =
		697	flags =
		698	h_scale =
		699	v_scale =
		700	h_align =
		701	v_align = 0;
		702
		703	# ifdef HAVE_PIXBUF
		704	pixbuf = 0;
		705	# endif
		706	}
		707
854	bool	708	bool
855	rxvt_term::bg_set_file (const char *file)	709	rxvt_image::set_file_geometry (const char *file)
856	{	710	{
857	if (!file || !*file)	711	if (!file || !*file)
858	return false;	712	return false;
859		713
860	if (const char *p = strchr (file, ';'))	714	const char *p = strchr (file, ';');
		715
		716	if (p)
861	{	717	{
862	size_t len = p - file;	718	size_t len = p - file;
863	char *f = rxvt_temp_buf<char> (len + 1);	719	char *f = rxvt_temp_buf<char> (len + 1);
864	memcpy (f, file, len);	720	memcpy (f, file, len);
865	f[len] = '\0';	721	f[len] = '\0';
866	file = f;	722	file = f;
867	}	723	}
868		724
869	# ifdef HAVE_AFTERIMAGE	725	bool ret = set_file (file);
870	if (!asimman)	726	alpha = 0x8000;
871	asimman = create_generic_imageman (rs[Rs_path]);	727	if (ret && p)
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	728	set_geometry (p + 1);
873	if (image)	729	return ret;
874	{	730	}
875	if (original_asim)	731
876	safe_asimage_destroy (original_asim);	732	bool
877	original_asim = image;	733	rxvt_image::set_file (const char *file)
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	734	{
879	return true;	735	bool ret = false;
880	}
881	# endif
882		736
883	# ifdef HAVE_PIXBUF	737	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	738	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	739	if (image)
886	{	740	{
887	if (pixbuf)	741	if (pixbuf)
888	g_object_unref (pixbuf);	742	g_object_unref (pixbuf);
889	pixbuf = image;	743	pixbuf = image;
890	bg_flags |= BG_IS_FROM_FILE;
891	return true;	744	ret = true;
892	}	745	}
893	# endif	746	# endif
894		747
		748	if (ret)
		749	{
		750	alpha = 0xffff;
		751	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		752	h_scale = v_scale = defaultScale;
		753	h_align = v_align = defaultAlign;
		754	}
		755
895	return false;	756	return ret;
896	}	757	}
897		758
898	# endif /* BG_IMAGE_FROM_FILE */	759	# endif /* BG_IMAGE_FROM_FILE */
899		760
900	# ifdef ENABLE_TRANSPARENCY	761	# ifdef ENABLE_TRANSPARENCY
901	bool
902	rxvt_term::bg_set_transparent ()
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	762	bool
914	rxvt_term::bg_set_blur (const char *geom)	763	rxvt_term::bg_set_blur (const char *geom)
915	{	764	{
916	bool changed = false;	765	bool changed = false;
917	unsigned int hr, vr;	766	unsigned int hr, vr;
…		…
936	{	785	{
937	changed = true;	786	changed = true;
938	v_blurRadius = vr;	787	v_blurRadius = vr;
939	}	788	}
940		789
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;	790	return changed;
947	}	791	}
948		792
949	void	793	bool
950	rxvt_term::set_tint_shade_flags ()	794	rxvt_term::bg_set_tint (rxvt_color &new_tint)
951	{	795	{
952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	796	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
953	bool has_shade = shade != 100;	797	{
954		798	tint = new_tint;
955	bg_flags &= ~BG_TINT_FLAGS;	799	bg_flags |= BG_TINT_SET;
956		800
957	if (bg_flags & BG_TINT_SET)	801	rgba c;
958	{
959	tint.get (c);	802	tint.get (c);
960	if (!has_shade
961	&& (c.r <= 0x00ff || c.r >= 0xff00)	803	if ((c.r <= 0x00ff || c.r >= 0xff00)
962	&& (c.g <= 0x00ff || c.g >= 0xff00)	804	&& (c.g <= 0x00ff || c.g >= 0xff00)
963	&& (c.b <= 0x00ff || c.b >= 0xff00))	805	&& (c.b <= 0x00ff || c.b >= 0xff00))
964	bg_flags |= BG_TINT_BITAND;	806	bg_flags |= BG_TINT_BITAND;
965	}	807	else
966
967	if (has_shade || (bg_flags & BG_TINT_SET))
968	bg_flags |= BG_NEEDS_TINT;
969	}
970
971	bool
972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
973	{
974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
975	{
976	tint = new_tint;
977	bg_flags |= BG_TINT_SET;	808	bg_flags &= ~BG_TINT_BITAND;
978	set_tint_shade_flags ();	809
979	return true;	810	return true;
980	}	811	}
981		812
982	return false;	813	return false;
983	}	814	}
984		815
985	bool	816	bool
986	rxvt_term::bg_set_shade (const char *shade_str)	817	rxvt_term::bg_set_shade (const char *shade_str)
987	{	818	{
988	int new_shade = (shade_str) ? atoi (shade_str) : 100;	819	int new_shade = atoi (shade_str);
989		820
990	clamp_it (new_shade, -100, 200);	821	clamp_it (new_shade, -100, 200);
991	if (new_shade < 0)	822	if (new_shade < 0)
992	new_shade = 200 - (100 + new_shade);	823	new_shade = 200 - (100 + new_shade);
993		824
994	if (new_shade != shade)	825	if (new_shade != shade)
995	{	826	{
996	shade = new_shade;	827	shade = new_shade;
997	set_tint_shade_flags ();
998	return true;	828	return true;
999	}	829	}
1000		830
1001	return false;	831	return false;
1002	}	832	}
…		…
1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);	853	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1024	}	854	}
1025	#endif	855	#endif
1026		856
1027	bool	857	bool
1028	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	858	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1029	{	859	{
1030	bool ret = false;	860	bool ret = false;
1031	#if XRENDER	861	#if XRENDER
		862	if (!(bg_flags & BG_HAS_RENDER_CONV))
		863	return false;
		864
1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	865	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1033	double *kernel = (double *)malloc (size * sizeof (double));	866	double *kernel = (double *)malloc (size * sizeof (double));
1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	867	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		868
1036	XRenderPictureAttributes pa;	869	XRenderPictureAttributes pa;
1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038		871
		872	pa.repeat = RepeatPad;
1039	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		874	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	875	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		876	XFreePixmap (dpy, tmp);
1041		877
1042	if (kernel && params)	878	if (kernel && params)
1043	{	879	{
1044	if (h_blurRadius)
1045	{
1046	size = h_blurRadius * 2 + 1;	880	size = h_blurRadius * 2 + 1;
1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);	881	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1048		882
1049	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	883	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1050	XRenderComposite (dpy,	884	XRenderComposite (dpy,
1051	PictOpSrc,	885	PictOpSrc,
1052	src,	886	src,
1053	None,	887	None,
1054	dst,	888	dst,
1055	0, 0,	889	0, 0,
1056	0, 0,	890	0, 0,
1057	0, 0,	891	0, 0,
1058	width, height);	892	width, height);
1059	}
1060		893
1061	if (v_blurRadius)	894	::swap (src, dst);
1062	{	895
1063	size = v_blurRadius * 2 + 1;	896	size = v_blurRadius * 2 + 1;
1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);	897	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1065	::swap (params[0], params[1]);	898	::swap (params[0], params[1]);
1066		899
1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	900	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1068	XRenderComposite (dpy,	901	XRenderComposite (dpy,
1069	PictOpSrc,	902	PictOpSrc,
1070	src,	903	src,
1071	None,	904	None,
1072	dst,	905	dst,
1073	0, 0,	906	0, 0,
1074	0, 0,	907	0, 0,
1075	0, 0,	908	0, 0,
1076	width, height);	909	width, height);
1077	}
1078		910
1079	ret = true;	911	ret = true;
1080	}	912	}
1081		913
1082	free (kernel);	914	free (kernel);
…		…
1086	#endif	918	#endif
1087	return ret;	919	return ret;
1088	}	920	}
1089		921
1090	bool	922	bool
1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	923	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1092	{	924	{
1093	bool ret = false;	925	bool ret = false;
1094		926
1095	if (bg_flags & BG_TINT_BITAND)	927	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1096	{	928	{
1097	XGCValues gcv;	929	XGCValues gcv;
1098	GC gc;	930	GC gc;
1099		931
1100	/* In this case we can tint image server-side getting significant	932	/* In this case we can tint image server-side getting significant
…		…
1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	941	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110	ret = true;	942	ret = true;
1111	XFreeGC (dpy, gc);	943	XFreeGC (dpy, gc);
1112	}	944	}
1113	}	945	}
1114	else
1115	{
1116	# if XRENDER	946	# if XRENDER
		947	else if (bg_flags & BG_HAS_RENDER)
		948	{
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	949	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118		950
1119	if (bg_flags & BG_TINT_SET)	951	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);	952	tint.get (c);
1121		953
…		…
1130	c.r = c.r * (200 - shade) / 100;	962	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	963	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	964	c.b = c.b * (200 - shade) / 100;
1133	}	965	}
1134		966
1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	967	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1137	XRenderPictureAttributes pa;
1138		968
1139	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	969	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1140		970
1141	pa.repeat = True;	971	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1142		972
1143	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	973	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		974
1152	XRenderColor mask_c;	975	XRenderColor mask_c;
1153		976
1154	mask_c.alpha = 0xffff;	977	mask_c.alpha = 0xffff;
1155	mask_c.red =	978	mask_c.red =
…		…
1160	mask_c.alpha = 0;	983	mask_c.alpha = 0;
1161	mask_c.red = 0xffff - c.r;	984	mask_c.red = 0xffff - c.r;
1162	mask_c.green = 0xffff - c.g;	985	mask_c.green = 0xffff - c.g;
1163	mask_c.blue = 0xffff - c.b;	986	mask_c.blue = 0xffff - c.b;
1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		988
1165	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	989	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1166		990
1167	if (shade > 100)	991	if (shade > 100)
1168	{	992	{
1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1170	mask_c.alpha = 0;	993	mask_c.alpha = 0;
		994	mask_c.red =
		995	mask_c.green =
		996	mask_c.blue = 0xffff * (shade - 100) / 100;
1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	997	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1172		998
1173	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	999	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1174	}	1000	}
1175		1001
1176	ret = true;	1002	ret = true;
1177		1003
1178	XRenderFreePicture (dpy, mask_pic);	1004	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	1005	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	1006	XRenderFreePicture (dpy, back_pic);
		1007	}
1181	# endif	1008	# endif
1182	}
1183		1009
1184	return ret;	1010	return ret;
1185	}	1011	}
1186		1012
1187	/*	1013	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	1014	* 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	1015	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	1016	* our window.
1191	*/	1017	*/
1192	unsigned long	1018	bool
1193	rxvt_term::make_transparency_pixmap ()	1019	rxvt_term::make_transparency_pixmap ()
1194	{	1020	{
1195	unsigned long result = 0;	1021	bool ret = false;
1196		1022
1197	/* root dimensions may change from call to call - but Display structure should	1023	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	1024	* be always up-to-date, so let's use it :
1199	*/	1025	*/
1200	int screen = display->screen;	1026	int screen = display->screen;
…		…
1238	#if XRENDER	1064	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	1065	if (bg_flags & BG_HAS_RENDER)
1240	{	1066	{
1241	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1067	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		1068
1243	XRenderPictureAttributes pa;
1244
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1069	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1070	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		1071
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1072	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1073	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1250		1074
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1075	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252		1076
1253	XRenderFreePicture (dpy, src);	1077	XRenderFreePicture (dpy, src);
1254	XRenderFreePicture (dpy, dst);	1078	XRenderFreePicture (dpy, dst);
…		…
1271	bg_pmap_width = window_width;	1095	bg_pmap_width = window_width;
1272	bg_pmap_height = window_height;	1096	bg_pmap_height = window_height;
1273	}	1097	}
1274		1098
1275	/* straightforward pixmap copy */	1099	/* straightforward pixmap copy */
1276	while (sx < 0) sx += root_width;	1100	while (sx < 0) sx += root_pmap_width;
1277	while (sy < 0) sy += root_height;	1101	while (sy < 0) sy += root_pmap_height;
1278		1102
1279	gcv.tile = recoded_root_pmap;	1103	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1104	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1105	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1106	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1107	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1108
1285	if (gc)	1109	if (gc)
1286	{	1110	{
1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1111	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1112	ret = true;
1289	XFreeGC (dpy, gc);	1113	bool need_blur = h_blurRadius && v_blurRadius;
		1114	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1290		1115
1291	if (!(bg_flags & BG_CLIENT_RENDER))	1116	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{	1117	{
1293	if ((bg_flags & BG_NEEDS_BLUR)	1118	if (need_blur)
1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{	1119	{
1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (blur_pixmap (bg_pixmap, window_width, window_height))
1297	result &= ~BG_NEEDS_BLUR;	1121	need_blur = false;
1298	}	1122	}
1299	if ((bg_flags & BG_NEEDS_TINT)	1123	if (need_tint)
1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1301	{	1124	{
1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1125	if (tint_pixmap (bg_pixmap, window_width, window_height))
1303	result &= ~BG_NEEDS_TINT;	1126	need_tint = false;
		1127	}
		1128	if (need_tint)
		1129	{
		1130	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1131	if (ximage)
		1132	{
		1133	/* our own client-side tinting */
		1134	tint_ximage (ximage);
		1135
		1136	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1137	XDestroyImage (ximage);
		1138	}
1304	}	1139	}
1305	} /* server side rendering completed */	1140	} /* server side rendering completed */
		1141
		1142	XFreeGC (dpy, gc);
1306	}	1143	}
1307		1144
1308	if (recoded_root_pmap != root_pixmap)	1145	if (recoded_root_pmap != root_pixmap)
1309	XFreePixmap (dpy, recoded_root_pmap);	1146	XFreePixmap (dpy, recoded_root_pmap);
1310		1147
1311	return result;	1148	return ret;
1312	}	1149	}
1313		1150
1314	void	1151	void
1315	rxvt_term::bg_set_root_pixmap ()	1152	rxvt_term::bg_set_root_pixmap ()
1316	{	1153	{
…		…
1320		1157
1321	root_pixmap = new_root_pixmap;	1158	root_pixmap = new_root_pixmap;
1322	}	1159	}
1323	# endif /* ENABLE_TRANSPARENCY */	1160	# endif /* ENABLE_TRANSPARENCY */
1324		1161
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	1162	bool
1330	rxvt_term::bg_render ()	1163	rxvt_term::bg_render ()
1331	{	1164	{
1332	unsigned long tr_flags = 0;
1333
1334	bg_invalidate ();	1165	bg_invalidate ();
1335	# ifdef ENABLE_TRANSPARENCY	1166	# ifdef ENABLE_TRANSPARENCY
1336	if (bg_flags & BG_IS_TRANSPARENT)	1167	if (bg_flags & BG_IS_TRANSPARENT)
1337	{	1168	{
1338	/* we need to re-generate transparency pixmap in that case ! */	1169	/* we need to re-generate transparency pixmap in that case ! */
1339	tr_flags = make_transparency_pixmap ();	1170	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;	1171	bg_flags |= BG_IS_VALID;
1344	}	1172	}
1345	# endif	1173	# endif
1346		1174
1347	# ifdef BG_IMAGE_FROM_FILE	1175	# ifdef BG_IMAGE_FROM_FILE
1348	if ((bg_flags & BG_IS_FROM_FILE)	1176	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1350	{	1177	{
1351	if (render_image (tr_flags))	1178	if (render_image (*bg_image))
1352	bg_flags |= BG_IS_VALID;	1179	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	}	1180	}
1387	# endif	1181	# endif
1388		1182
1389	if (!(bg_flags & BG_IS_VALID))	1183	if (!(bg_flags & BG_IS_VALID))
1390	{	1184	{
…		…
1423	bg_flags |= BG_HAS_RENDER_CONV;	1217	bg_flags |= BG_HAS_RENDER_CONV;
1424		1218
1425	XFree (filters);	1219	XFree (filters);
1426	}	1220	}
1427	#endif	1221	#endif
		1222
		1223	#ifdef BG_IMAGE_FROM_FILE
		1224	if (rs[Rs_backgroundPixmap])
		1225	{
		1226	rxvt_image *image = new_image ();
		1227	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1228	image_vec.pop_back ();
		1229	}
		1230
		1231	# ifndef NO_RESOURCES
		1232	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1233	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1234	while (bg_image != image_vec.end ())
		1235	{
		1236	if (!(bg_image->flags & IM_IS_SET))
		1237	bg_image = image_vec.erase (bg_image);
		1238	else
		1239	bg_image++;
		1240	}
		1241	# endif
		1242
		1243	if (image_vec.size () > 0
		1244	&& !bg_window_position_sensitive ())
		1245	update_background ();
		1246	#endif
1428	}	1247	}
1429		1248
1430	#endif /* HAVE_BG_PIXMAP */	1249	#endif /* HAVE_BG_PIXMAP */
1431		1250
1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1251	#ifdef ENABLE_TRANSPARENCY
1433	/* taken from aterm-0.4.2 */	1252	/* based on code from aterm-0.4.2 */
1434		1253
1435	static void	1254	static inline void
1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1255	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1437	{	1256	{
		1257	for (int i = 0; i <= mask >> sh; i++)
		1258	{
		1259	uint32_t tmp;
		1260	tmp = i * high;
		1261	tmp += (mask >> sh) * low;
		1262	lookup[i] = (tmp / 0xffff) << sh;
		1263	}
		1264	}
		1265
		1266	void
		1267	rxvt_term::tint_ximage (XImage *ximage)
		1268	{
		1269	unsigned int size_r, size_g, size_b;
1438	int sh_r, sh_g, sh_b;	1270	int sh_r, sh_g, sh_b;
1439	uint32_t mask_r, mask_g, mask_b;	1271	uint32_t mask_r, mask_g, mask_b;
1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1272	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1441	rgba low;	1273	unsigned short low;
1442	rgba high;
1443	int i;
1444	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1274	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1445		1275
1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1276	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1447		1277
1448	/* for convenience */	1278	/* for convenience */
1449	mask_r = visual->red_mask;	1279	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1280	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1281	mask_b = visual->blue_mask;
1452		1282
1453	/* boring lookup table pre-initialization */	1283	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1284	sh_r = ecb_ctz32 (mask_r);
1455	{	1285	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1286	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1287
1458	(mask_g != 0x03e0) ||	1288	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1289	size_g = mask_g >> sh_g;
		1290	size_b = mask_b >> sh_b;
		1291
		1292	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1293	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1294
		1295	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1296	lookup_r = lookup;
1463	lookup_g = lookup+32;	1297	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1298	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;	1299
1466	sh_g = 5;	1300	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1467	sh_b = 0;	1301
1468	break;	1302	if (bg_flags & BG_TINT_SET)
1469	case 16:	1303	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		1304
1512	/* prepare limits for color transformation (each channel is handled separately) */	1305	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1306	if (shade > 100)
1514	{	1307	{
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;	1308	c.r = c.r * (200 - shade) / 100;
1522	low.g = 65535 * (100 - shade) / 100;	1309	c.g = c.g * (200 - shade) / 100;
1523	low.b = 65535 * (100 - shade) / 100;	1310	c.b = c.b * (200 - shade) / 100;
		1311
		1312	low = 0xffff * (shade - 100) / 100;
1524	}	1313	}
1525	else	1314	else
1526	{	1315	{
1527	high.r = c.r * shade / 100;	1316	c.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;	1317	c.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;	1318	c.b = c.b * shade / 100;
1530		1319
1531	low.r = low.g = low.b = 0;	1320	low = 0;
1532	}	1321	}
1533		1322
1534	/* fill our lookup tables */	1323	/* fill our lookup tables */
1535	for (i = 0; i <= mask_r>>sh_r; i++)	1324	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1536	{	1325	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	uint32_t tmp;	1326	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		1327
1557	/* apply table to input image (replacing colors by newly calculated ones) */	1328	/* apply table to input image (replacing colors by newly calculated ones) */
1558	if (ximage->bits_per_pixel == 32	1329	if (ximage->bits_per_pixel == 32
1559	&& (ximage->depth == 24 || ximage->depth == 32)
1560	&& ximage->byte_order == host_byte_order)	1330	&& ximage->byte_order == host_byte_order)
1561	{	1331	{
1562	uint32_t *p1, *pf, *p, *pl;	1332	char *line = ximage->data;
1563	p1 = (uint32_t *) ximage->data;
1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1565		1333
1566	while (p1 < pf)	1334	for (int y = 0; y < ximage->height; y++)
1567	{	1335	{
1568	p = p1;	1336	uint32_t *p = (uint32_t *)line;
1569	pl = p1 + ximage->width;	1337	for (int x = 0; x < ximage->width; x++)
1570	for (; p < pl; p++)
1571	{	1338	{
1572	*p = lookup_r[(*p & 0xff0000) >> 16] |	1339	*p = lookup_r[(*p & mask_r) >> sh_r] |
1573	lookup_g[(*p & 0x00ff00) >> 8] |	1340	lookup_g[(*p & mask_g) >> sh_g] |
1574	lookup_b[(*p & 0x0000ff)] |	1341	lookup_b[(*p & mask_b) >> sh_b];
1575	(*p & 0xff000000);	1342	p++;
1576	}	1343	}
1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1344	line += ximage->bytes_per_line;
1578	}	1345	}
1579	}	1346	}
1580	else	1347	else
1581	{	1348	{
1582	for (int y = 0; y < ximage->height; y++)	1349	for (int y = 0; y < ximage->height; y++)
…		…
1590	}	1357	}
1591	}	1358	}
1592		1359
1593	free (lookup);	1360	free (lookup);
1594	}	1361	}
1595	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1362	#endif /* ENABLE_TRANSPARENCY */

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