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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 1.220 by sf-exg, Fri May 25 08:27:47 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
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80
81	if (bg_pixmap)	63	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
83	}	65	}
84		66
85	bool	67	bool
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	86	return true;
105	# endif	87	# endif
106		88
107	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	90	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
109	{	91	{
110	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image->width () > szHint.width
		94	|| bg_image->height () > szHint.height)
111	return true;	95	return true;
112	}	96	}
113	# endif	97	# endif
114		98
115	return false;	99	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	107	return true;
124	# endif	108	# endif
125		109
126	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	111	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
128	{	112	{
129	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image->flags & IM_ROOT_ALIGN)
130	return true;	114	return true;
131	}	115	}
132	# endif	116	# endif
133		117
134	return false;	118	return false;
135	}	119	}
136		120
137	# ifdef BG_IMAGE_FROM_FILE	121	# 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	122	static inline int
173	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
174	{	124	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
179	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	127	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	129	else
183	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	131	}
186		132
187	static inline int	133	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	135	{
…		…
195	src_pos = -pos;	141	src_pos = -pos;
196	dst_pos = 0;	142	dst_pos = 0;
197	dst_size += pos;	143	dst_size += pos;
198	}	144	}
199		145
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	147	return src_pos;
203	}	148	}
204		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
205	bool	185	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
207	{	187	{
208	bool changed = false;	188	bool changed = false;
209	int geom_flags = 0;	189	int geom_flags = 0;
210	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
211	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
212	unsigned int n;	193	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	194	uint8_t new_flags = 0;
214	const char *ops;
215		195
216	if (geom == NULL)	196	if (geom == NULL)
217	return false;	197	return false;
218		198
219	char str[256];	199	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	}	200	{
256
257	if (ops)
258	{
259	char **arr = rxvt_strsplit (':', ops + 1);	201	char **arr = rxvt_strsplit (':', geom);
260		202
261	for (int i = 0; arr[i]; i++)	203	for (int i = 0; arr[i]; i++)
262	{	204	{
263	if (!strcasecmp (arr[i], "tile"))	205	if (!strncasecmp (arr[i], "style=", 6))
264	{	206	{
		207	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		208	geom_flags = WidthValue|HeightValue|XValue|YValue;
		209	}
		210	else if (!strcasecmp (arr[i], "op=tile"))
		211	new_flags |= IM_TILE;
		212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		213	new_flags |= IM_KEEP_ASPECT;
		214	else if (!strcasecmp (arr[i], "op=root-align"))
		215	new_flags |= IM_ROOT_ALIGN;
		216
		217	// deprecated
		218	else if (!strcasecmp (arr[i], "tile"))
		219	{
		220	new_flags |= IM_TILE;
265	w = h = noScale;	221	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;	222	geom_flags |= WidthValue|HeightValue;
267	}	223	}
268	else if (!strcasecmp (arr[i], "propscale"))	224	else if (!strcasecmp (arr[i], "propscale"))
269	{	225	{
270	new_flags |= BG_PROP_SCALE;	226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
271	}	229	}
272	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
273	{	231	{
		232	new_flags |= IM_TILE;
274	if (w == 0) w = windowScale;	233	w = windowScale;
275
276	h = noScale;	234	h = noScale;
277	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
278	}	236	}
279	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
280	{	238	{
		239	new_flags |= IM_TILE;
281	if (h == 0) h = windowScale;	240	h = windowScale;
282
283	w = noScale;	241	w = noScale;
284	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
285	}	243	}
286	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
287	{	245	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;	246	w = h = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
292	}	248	}
293	else if (!strcasecmp (arr[i], "auto"))	249	else if (!strcasecmp (arr[i], "auto"))
294	{	250	{
295	w = h = windowScale;	251	w = h = windowScale;
296	x = y = centerAlign;	252	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}	254	}
299	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
300	{	256	{
301	new_flags |= BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
302	w = h = noScale;	258	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
304	}	260	}
		261
		262	else
		263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
305	} /* done parsing ops */	264	} /* done parsing ops */
306		265
307	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
308	}	267	}
309		268
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	269	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		270
315	if (new_flags != bg_flags)	271	if (!update)
		272	{
		273	if (!(geom_flags & XValue))
		274	x = y = defaultAlign;
		275	else if (!(geom_flags & YValue))
		276	y = x;
		277
		278	if (!(geom_flags & (WidthValue|HeightValue)))
		279	w = h = defaultScale;
		280	else if (!(geom_flags & HeightValue))
		281	h = w;
		282	else if (!(geom_flags & WidthValue))
		283	w = h;
316	{	284	}
		285
		286	clamp_it (x, -100, 200);
		287	clamp_it (y, -100, 200);
		288
		289	if (flags != new_flags
		290	|| h_scale != w
		291	|| v_scale != h
		292	|| h_align != x
		293	|| v_align != y)
		294	{
317	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
318	changed = true;	300	changed = true;
319	}	301	}
320		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
321	return changed;	310	return changed;
322	}	311	}
323		312
324	void	313	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
327	int target_width = szHint.width;	318	int target_width = szHint.width;
328	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		322
330	if (bg_flags & BG_PROP_SCALE)	323	w = h_scale * target_width / 100;
		324	h = v_scale * target_height / 100;
		325
		326	if (image.flags & IM_KEEP_ASPECT)
331	{	327	{
332	float scale = (float)target_width / image_width;	328	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	329	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
336	}	332	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		333
343	if (!w) w = image_width;	334	if (!w) w = image_width;
344	if (!h) h = image_height;	335	if (!h) h = image_height;
345		336
346	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
347	{	338	{
348	x = -target_x;	339	x = -target_x;
349	y = -target_y;	340	y = -target_y;
350	}	341	}
351	else	342	else
352	{	343	{
353	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	345	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	{	346	}
379	ShadingInfo as_shade;	347	}
380	as_shade.shading = shade;
381		348
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	350	bool
384	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
388		363
389	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
390	}	368	{
391		369	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
393	{	373	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	375	{
396	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
398	{	442	{
399	destroy_asimage (&background);	443	a = pixel[3];
400	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
401	}	465	}
402	}
403	# endif
404		466
405	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
406		493
407	int target_width = szHint.width;	494	int target_width = szHint.width;
408	int target_height = szHint.height;	495	int target_height = szHint.height;
409	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
412	int x = 0;	499	int x = 0;
413	int y = 0;	500	int y = 0;
414	int w = 0;	501	int w = 0;
415	int h = 0;	502	int h = 0;
416		503
417	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		505
420	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	507	&& (x >= target_width
423	|| y >= target_height	508	|| y >= target_height
424	|| (x + w <= 0)	509	|| x + w <= 0
425	|| (y + h <= 0))))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
426	{	521	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		522
433	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	// optimise bg pixmap size when tiling, but only if there are no
		540	// other pixbufs to render. Otherwise, the bg pixmap size must
		541	// be equal to the window size.
		542	if ((image.flags & IM_TILE)
		543	&& image_vec.size () == 1)
434	{	544	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	545	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	546	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	547	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		548
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	549	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	550	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	551	|| bg_pmap_height != new_pmap_height)
554	{	552	{
555	if (bg_pixmap)	553	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	554	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	555	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	556	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	557	bg_pmap_height = new_pmap_height;
560	}	558	}
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		559
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;	560	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	}	561	}
764		562
765	gcv.foreground = pix_colors[Color_bg];	563	gcv.foreground = pix_colors[Color_bg];
766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	564	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
767		565
768	if (gc)	566	if (gc)
769	{	567	{
770	if (h_scale == 0 || v_scale == 0)	568	if (image.flags & IM_TILE)
771	{	569	{
772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	570	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
773	pixbuf_to_pixmap (result, tile, gc,	571	pixbuf_to_pixmap (result, tile, gc,
774	0, 0,	572	0, 0,
775	0, 0,	573	0, 0,
776	image_width, image_height);	574	image_width, image_height, need_blend);
777		575
778	gcv.tile = tile;	576	gcv.tile = tile;
779	gcv.fill_style = FillTiled;	577	gcv.fill_style = FillTiled;
780	gcv.ts_x_origin = x;	578	gcv.ts_x_origin = x;
781	gcv.ts_y_origin = y;	579	gcv.ts_y_origin = y;
782	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	580	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
783		581
784	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	582	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
785	XFreePixmap (dpy, tile);	583	XFreePixmap (dpy, tile);
786	}	584	}
787	else	585	else
788	{	586	{
789	int src_x, src_y, dst_x, dst_y;	587	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);	591	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
794		592
795	if (dst_x > 0 || dst_y > 0	593	if (dst_x > 0 || dst_y > 0
796	|| dst_x + dst_width < new_pmap_width	594	|| dst_x + dst_width < new_pmap_width
797	|| dst_y + dst_height < new_pmap_height)	595	|| dst_y + dst_height < new_pmap_height)
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	596	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799		597
800	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	598	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
801	pixbuf_to_pixmap (result, bg_pixmap, gc,	599	pixbuf_to_pixmap (result, tmp_pixmap, gc,
802	src_x, src_y,	600	src_x, src_y,
803	dst_x, dst_y,	601	dst_x, dst_y,
804	dst_width, dst_height);	602	dst_width, dst_height, need_blend);
805	}	603	}
806		604
807	#if XRENDER	605	#if XRENDER
808	if (tr_flags)	606	if (need_blend)
809	{	607	{
810	XRenderPictureAttributes pa;	608	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
811
812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	609	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		610
813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	611	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
814		612
815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	613	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
817		614
818	pa.repeat = True;	615	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		616
824	XRenderColor mask_c;	617	XRenderColor mask_c;
825		618
826	mask_c.alpha = 0x8000;	619	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
827	mask_c.red = 0;	620	mask_c.red =
828	mask_c.green = 0;	621	mask_c.green =
829	mask_c.blue = 0;	622	mask_c.blue = 0;
830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	623	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		624
831	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	625	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
832		626
833	XRenderFreePicture (dpy, src);	627	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	628	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	629	XRenderFreePicture (dpy, mask);
…		…
842	}	636	}
843		637
844	if (result != pixbuf)	638	if (result != pixbuf)
845	g_object_unref (result);	639	g_object_unref (result);
846		640
847	if (tr_flags)	641	if (need_blend)
848	XFreePixmap (dpy, root_pmap);	642	XFreePixmap (dpy, tmp_pixmap);
849		643
850	return ret;	644	return ret;
851	}	645	}
852	# endif /* HAVE_PIXBUF */	646	# endif /* HAVE_PIXBUF */
853		647
		648	# ifndef NO_RESOURCES
		649	static int
		650	rxvt_define_image (XrmDatabase *database ecb_unused,
		651	XrmBindingList bindings ecb_unused,
		652	XrmQuarkList quarks,
		653	XrmRepresentation *type ecb_unused,
		654	XrmValue *value,
		655	XPointer closure ecb_unused)
		656	{
		657	int size;
		658
		659	for (size = 0; quarks[size] != NULLQUARK; size++)
		660	;
		661
		662	if (size >= 2)
		663	{
		664	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		665	if (id >= 1)
		666	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		667	}
		668	return False;
		669	}
		670
		671	void
		672	rxvt_term::parse_image (int id, const char *type, const char *arg)
		673	{
		674	rxvt_image *image;
		675
		676	for (image = image_vec.begin (); image < image_vec.end (); image++)
		677	if (image->id == id)
		678	break;
		679
		680	if (image == image_vec.end ())
		681	{
		682	image = new_image ();
		683	image->id = id;
		684	}
		685	}
		686	# endif
		687
		688	rxvt_image::rxvt_image ()
		689	{
		690	id =
		691	alpha =
		692	flags =
		693	h_scale =
		694	v_scale =
		695	h_align =
		696	v_align = 0;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf.reset (0);
		700	# endif
		701	}
		702
854	bool	703	bool
855	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
856	{	705	{
857	if (!file || !*file)	706	if (!file || !*file)
858	return false;	707	return false;
859		708
860	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
861	{	712	{
862	size_t len = p - file;	713	size_t len = p - file;
863	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
864	memcpy (f, file, len);	715	memcpy (f, file, len);
865	f[len] = '\0';	716	f[len] = '\0';
866	file = f;	717	file = f;
867	}	718	}
868		719
869	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
870	if (!asimman)	721	alpha = 0x8000;
871	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret && p)
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p + 1);
873	if (image)	724	return ret;
874	{	725	}
875	if (original_asim)	726
876	safe_asimage_destroy (original_asim);	727	bool
877	original_asim = image;	728	rxvt_image::set_file (const char *file)
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
879	return true;	730	bool ret = false;
880	}
881	# endif
882		731
883	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	734	if (image)
886	{	735	{
887	if (pixbuf)	736	if (pixbuf)
888	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
889	pixbuf = image;	738	pixbuf.reset (image);
890	bg_flags |= BG_IS_FROM_FILE;
891	return true;	739	ret = true;
892	}	740	}
893	# endif	741	# endif
894		742
		743	if (ret)
		744	{
		745	alpha = 0xffff;
		746	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		747	h_scale = v_scale = defaultScale;
		748	h_align = v_align = defaultAlign;
		749	}
		750
895	return false;	751	return ret;
896	}	752	}
897		753
898	# endif /* BG_IMAGE_FROM_FILE */	754	# endif /* BG_IMAGE_FROM_FILE */
899		755
900	# ifdef ENABLE_TRANSPARENCY	756	# 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	757	bool
914	rxvt_term::bg_set_blur (const char *geom)	758	rxvt_term::bg_set_blur (const char *geom)
915	{	759	{
916	bool changed = false;	760	bool changed = false;
917	unsigned int hr, vr;	761	unsigned int hr, vr;
…		…
936	{	780	{
937	changed = true;	781	changed = true;
938	v_blurRadius = vr;	782	v_blurRadius = vr;
939	}	783	}
940		784
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;	785	return changed;
947	}	786	}
948		787
949	void	788	bool
950	rxvt_term::set_tint_shade_flags ()	789	rxvt_term::bg_set_tint (rxvt_color &new_tint)
951	{	790	{
952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	791	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
953	bool has_shade = shade != 100;	792	{
954		793	tint = new_tint;
955	bg_flags &= ~BG_TINT_FLAGS;	794	bg_flags |= BG_TINT_SET;
956		795
957	if (bg_flags & BG_TINT_SET)	796	rgba c;
958	{
959	tint.get (c);	797	tint.get (c);
960	if (!has_shade
961	&& (c.r <= 0x00ff || c.r >= 0xff00)	798	if ((c.r <= 0x00ff || c.r >= 0xff00)
962	&& (c.g <= 0x00ff || c.g >= 0xff00)	799	&& (c.g <= 0x00ff || c.g >= 0xff00)
963	&& (c.b <= 0x00ff || c.b >= 0xff00))	800	&& (c.b <= 0x00ff || c.b >= 0xff00))
964	bg_flags |= BG_TINT_BITAND;	801	bg_flags |= BG_TINT_BITAND;
965	}	802	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;	803	bg_flags &= ~BG_TINT_BITAND;
978	set_tint_shade_flags ();	804
979	return true;	805	return true;
980	}	806	}
981		807
982	return false;	808	return false;
983	}	809	}
984		810
985	bool	811	bool
986	rxvt_term::bg_set_shade (const char *shade_str)	812	rxvt_term::bg_set_shade (const char *shade_str)
987	{	813	{
988	int new_shade = (shade_str) ? atoi (shade_str) : 100;	814	int new_shade = atoi (shade_str);
989		815
990	clamp_it (new_shade, -100, 200);	816	clamp_it (new_shade, -100, 200);
991	if (new_shade < 0)	817	if (new_shade < 0)
992	new_shade = 200 - (100 + new_shade);	818	new_shade = 200 - (100 + new_shade);
993		819
994	if (new_shade != shade)	820	if (new_shade != shade)
995	{	821	{
996	shade = new_shade;	822	shade = new_shade;
997	set_tint_shade_flags ();
998	return true;	823	return true;
999	}	824	}
1000		825
1001	return false;	826	return false;
1002	}	827	}
…		…
1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);	848	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1024	}	849	}
1025	#endif	850	#endif
1026		851
1027	bool	852	bool
1028	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	853	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1029	{	854	{
1030	bool ret = false;	855	bool ret = false;
1031	#if XRENDER	856	#if XRENDER
		857	if (!(bg_flags & BG_HAS_RENDER_CONV))
		858	return false;
		859
1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	860	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1033	double *kernel = (double *)malloc (size * sizeof (double));	861	double *kernel = (double *)malloc (size * sizeof (double));
1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	862	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		863
1036	XRenderPictureAttributes pa;	864	XRenderPictureAttributes pa;
1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	865	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038		866
		867	pa.repeat = RepeatPad;
1039	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	868	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		869	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	870	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		871	XFreePixmap (dpy, tmp);
1041		872
1042	if (kernel && params)	873	if (kernel && params)
1043	{	874	{
1044	if (h_blurRadius)
1045	{
1046	size = h_blurRadius * 2 + 1;	875	size = h_blurRadius * 2 + 1;
1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);	876	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1048		877
1049	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	878	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1050	XRenderComposite (dpy,	879	XRenderComposite (dpy,
1051	PictOpSrc,	880	PictOpSrc,
1052	src,	881	src,
1053	None,	882	None,
1054	dst,	883	dst,
1055	0, 0,	884	0, 0,
1056	0, 0,	885	0, 0,
1057	0, 0,	886	0, 0,
1058	width, height);	887	width, height);
1059	}
1060		888
1061	if (v_blurRadius)	889	::swap (src, dst);
1062	{	890
1063	size = v_blurRadius * 2 + 1;	891	size = v_blurRadius * 2 + 1;
1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);	892	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1065	::swap (params[0], params[1]);	893	::swap (params[0], params[1]);
1066		894
1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	895	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1068	XRenderComposite (dpy,	896	XRenderComposite (dpy,
1069	PictOpSrc,	897	PictOpSrc,
1070	src,	898	src,
1071	None,	899	None,
1072	dst,	900	dst,
1073	0, 0,	901	0, 0,
1074	0, 0,	902	0, 0,
1075	0, 0,	903	0, 0,
1076	width, height);	904	width, height);
1077	}
1078		905
1079	ret = true;	906	ret = true;
1080	}	907	}
1081		908
1082	free (kernel);	909	free (kernel);
…		…
1086	#endif	913	#endif
1087	return ret;	914	return ret;
1088	}	915	}
1089		916
1090	bool	917	bool
1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	918	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1092	{	919	{
1093	bool ret = false;	920	bool ret = false;
1094		921
1095	if (bg_flags & BG_TINT_BITAND)	922	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1096	{	923	{
1097	XGCValues gcv;	924	XGCValues gcv;
1098	GC gc;	925	GC gc;
1099		926
1100	/* In this case we can tint image server-side getting significant	927	/* In this case we can tint image server-side getting significant
…		…
1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	936	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110	ret = true;	937	ret = true;
1111	XFreeGC (dpy, gc);	938	XFreeGC (dpy, gc);
1112	}	939	}
1113	}	940	}
1114	else
1115	{
1116	# if XRENDER	941	# if XRENDER
		942	else if (bg_flags & BG_HAS_RENDER)
		943	{
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	944	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118		945
1119	if (bg_flags & BG_TINT_SET)	946	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);	947	tint.get (c);
1121		948
…		…
1130	c.r = c.r * (200 - shade) / 100;	957	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	958	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	959	c.b = c.b * (200 - shade) / 100;
1133	}	960	}
1134		961
1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	962	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1137	XRenderPictureAttributes pa;
1138		963
1139	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	964	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1140		965
1141	pa.repeat = True;	966	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1142		967
1143	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	968	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		969
1152	XRenderColor mask_c;	970	XRenderColor mask_c;
1153		971
1154	mask_c.alpha = 0xffff;	972	mask_c.alpha = 0xffff;
1155	mask_c.red =	973	mask_c.red =
…		…
1160	mask_c.alpha = 0;	978	mask_c.alpha = 0;
1161	mask_c.red = 0xffff - c.r;	979	mask_c.red = 0xffff - c.r;
1162	mask_c.green = 0xffff - c.g;	980	mask_c.green = 0xffff - c.g;
1163	mask_c.blue = 0xffff - c.b;	981	mask_c.blue = 0xffff - c.b;
1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		983
1165	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1166		985
1167	if (shade > 100)	986	if (shade > 100)
1168	{	987	{
1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1170	mask_c.alpha = 0;	988	mask_c.alpha = 0;
		989	mask_c.red =
		990	mask_c.green =
		991	mask_c.blue = 0xffff * (shade - 100) / 100;
1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	992	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1172		993
1173	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	994	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1174	}	995	}
1175		996
1176	ret = true;	997	ret = true;
1177		998
1178	XRenderFreePicture (dpy, mask_pic);	999	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	1000	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	1001	XRenderFreePicture (dpy, back_pic);
		1002	}
1181	# endif	1003	# endif
1182	}
1183		1004
1184	return ret;	1005	return ret;
1185	}	1006	}
1186		1007
1187	/*	1008	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	1009	* 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	1010	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	1011	* our window.
1191	*/	1012	*/
1192	unsigned long	1013	bool
1193	rxvt_term::make_transparency_pixmap ()	1014	rxvt_term::make_transparency_pixmap ()
1194	{	1015	{
1195	unsigned long result = 0;	1016	bool ret = false;
1196		1017
1197	/* root dimensions may change from call to call - but Display structure should	1018	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	1019	* be always up-to-date, so let's use it :
1199	*/	1020	*/
1200	int screen = display->screen;	1021	int screen = display->screen;
…		…
1238	#if XRENDER	1059	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	1060	if (bg_flags & BG_HAS_RENDER)
1240	{	1061	{
1241	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1062	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		1063
1243	XRenderPictureAttributes pa;
1244
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1064	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1065	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		1066
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1067	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1068	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1250		1069
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1070	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252		1071
1253	XRenderFreePicture (dpy, src);	1072	XRenderFreePicture (dpy, src);
1254	XRenderFreePicture (dpy, dst);	1073	XRenderFreePicture (dpy, dst);
…		…
1271	bg_pmap_width = window_width;	1090	bg_pmap_width = window_width;
1272	bg_pmap_height = window_height;	1091	bg_pmap_height = window_height;
1273	}	1092	}
1274		1093
1275	/* straightforward pixmap copy */	1094	/* straightforward pixmap copy */
1276	while (sx < 0) sx += root_width;	1095	while (sx < 0) sx += root_pmap_width;
1277	while (sy < 0) sy += root_height;	1096	while (sy < 0) sy += root_pmap_height;
1278		1097
1279	gcv.tile = recoded_root_pmap;	1098	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1099	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1100	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1101	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1102	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1103
1285	if (gc)	1104	if (gc)
1286	{	1105	{
1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1106	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1107	ret = true;
1289	XFreeGC (dpy, gc);	1108	bool need_blur = h_blurRadius && v_blurRadius;
		1109	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1290		1110
1291	if (!(bg_flags & BG_CLIENT_RENDER))	1111	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{	1112	{
1293	if ((bg_flags & BG_NEEDS_BLUR)	1113	if (need_blur)
1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{	1114	{
1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1115	if (blur_pixmap (bg_pixmap, window_width, window_height))
1297	result &= ~BG_NEEDS_BLUR;	1116	need_blur = false;
1298	}	1117	}
1299	if ((bg_flags & BG_NEEDS_TINT)	1118	if (need_tint)
1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1301	{	1119	{
1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (tint_pixmap (bg_pixmap, window_width, window_height))
1303	result &= ~BG_NEEDS_TINT;	1121	need_tint = false;
		1122	}
		1123	if (need_tint)
		1124	{
		1125	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1126	if (ximage)
		1127	{
		1128	/* our own client-side tinting */
		1129	tint_ximage (ximage);
		1130
		1131	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1132	XDestroyImage (ximage);
		1133	}
1304	}	1134	}
1305	} /* server side rendering completed */	1135	} /* server side rendering completed */
		1136
		1137	XFreeGC (dpy, gc);
1306	}	1138	}
1307		1139
1308	if (recoded_root_pmap != root_pixmap)	1140	if (recoded_root_pmap != root_pixmap)
1309	XFreePixmap (dpy, recoded_root_pmap);	1141	XFreePixmap (dpy, recoded_root_pmap);
1310		1142
1311	return result;	1143	return ret;
1312	}	1144	}
1313		1145
1314	void	1146	void
1315	rxvt_term::bg_set_root_pixmap ()	1147	rxvt_term::bg_set_root_pixmap ()
1316	{	1148	{
…		…
1320		1152
1321	root_pixmap = new_root_pixmap;	1153	root_pixmap = new_root_pixmap;
1322	}	1154	}
1323	# endif /* ENABLE_TRANSPARENCY */	1155	# endif /* ENABLE_TRANSPARENCY */
1324		1156
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	1157	bool
1330	rxvt_term::bg_render ()	1158	rxvt_term::bg_render ()
1331	{	1159	{
1332	unsigned long tr_flags = 0;
1333
1334	bg_invalidate ();	1160	bg_invalidate ();
1335	# ifdef ENABLE_TRANSPARENCY	1161	# ifdef ENABLE_TRANSPARENCY
1336	if (bg_flags & BG_IS_TRANSPARENT)	1162	if (bg_flags & BG_IS_TRANSPARENT)
1337	{	1163	{
1338	/* we need to re-generate transparency pixmap in that case ! */	1164	/* we need to re-generate transparency pixmap in that case ! */
1339	tr_flags = make_transparency_pixmap ();	1165	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;	1166	bg_flags |= BG_IS_VALID;
1344	}	1167	}
1345	# endif	1168	# endif
1346		1169
1347	# ifdef BG_IMAGE_FROM_FILE	1170	# ifdef BG_IMAGE_FROM_FILE
1348	if ((bg_flags & BG_IS_FROM_FILE)	1171	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1350	{	1172	{
1351	if (render_image (tr_flags))	1173	if (render_image (*bg_image))
1352	bg_flags |= BG_IS_VALID;	1174	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	}	1175	}
1387	# endif	1176	# endif
1388		1177
1389	if (!(bg_flags & BG_IS_VALID))	1178	if (!(bg_flags & BG_IS_VALID))
1390	{	1179	{
…		…
1423	bg_flags |= BG_HAS_RENDER_CONV;	1212	bg_flags |= BG_HAS_RENDER_CONV;
1424		1213
1425	XFree (filters);	1214	XFree (filters);
1426	}	1215	}
1427	#endif	1216	#endif
		1217
		1218	#ifdef BG_IMAGE_FROM_FILE
		1219	if (rs[Rs_backgroundPixmap])
		1220	{
		1221	rxvt_image *image = new_image ();
		1222	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1223	image_vec.pop_back ();
		1224	}
		1225
		1226	# ifndef NO_RESOURCES
		1227	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1228	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1229	while (bg_image != image_vec.end ())
		1230	{
		1231	if (!(bg_image->flags & IM_IS_SET))
		1232	bg_image = image_vec.erase (bg_image);
		1233	else
		1234	bg_image++;
		1235	}
		1236	# endif
		1237
		1238	if (image_vec.size () > 0
		1239	&& !bg_window_position_sensitive ())
		1240	update_background ();
		1241	#endif
1428	}	1242	}
1429		1243
1430	#endif /* HAVE_BG_PIXMAP */	1244	#endif /* HAVE_BG_PIXMAP */
1431		1245
1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1246	#ifdef ENABLE_TRANSPARENCY
1433	/* taken from aterm-0.4.2 */	1247	/* based on code from aterm-0.4.2 */
1434		1248
1435	static void	1249	static inline void
1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1250	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1437	{	1251	{
		1252	for (int i = 0; i <= mask >> sh; i++)
		1253	{
		1254	uint32_t tmp;
		1255	tmp = i * high;
		1256	tmp += (mask >> sh) * low;
		1257	lookup[i] = (tmp / 0xffff) << sh;
		1258	}
		1259	}
		1260
		1261	void
		1262	rxvt_term::tint_ximage (XImage *ximage)
		1263	{
		1264	unsigned int size_r, size_g, size_b;
1438	int sh_r, sh_g, sh_b;	1265	int sh_r, sh_g, sh_b;
1439	uint32_t mask_r, mask_g, mask_b;	1266	uint32_t mask_r, mask_g, mask_b;
1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1267	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1441	rgba low;	1268	unsigned short low;
1442	rgba high;
1443	int i;
1444	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1269	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1445		1270
1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1271	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1447		1272
1448	/* for convenience */	1273	/* for convenience */
1449	mask_r = visual->red_mask;	1274	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1275	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1276	mask_b = visual->blue_mask;
1452		1277
1453	/* boring lookup table pre-initialization */	1278	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1279	sh_r = ecb_ctz32 (mask_r);
1455	{	1280	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1281	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1282
1458	(mask_g != 0x03e0) ||	1283	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1284	size_g = mask_g >> sh_g;
		1285	size_b = mask_b >> sh_b;
		1286
		1287	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1288	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1289
		1290	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1291	lookup_r = lookup;
1463	lookup_g = lookup+32;	1292	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1293	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;	1294
1466	sh_g = 5;	1295	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1467	sh_b = 0;	1296
1468	break;	1297	if (bg_flags & BG_TINT_SET)
1469	case 16:	1298	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		1299
1512	/* prepare limits for color transformation (each channel is handled separately) */	1300	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1301	if (shade > 100)
1514	{	1302	{
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;	1303	c.r = c.r * (200 - shade) / 100;
1522	low.g = 65535 * (100 - shade) / 100;	1304	c.g = c.g * (200 - shade) / 100;
1523	low.b = 65535 * (100 - shade) / 100;	1305	c.b = c.b * (200 - shade) / 100;
		1306
		1307	low = 0xffff * (shade - 100) / 100;
1524	}	1308	}
1525	else	1309	else
1526	{	1310	{
1527	high.r = c.r * shade / 100;	1311	c.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;	1312	c.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;	1313	c.b = c.b * shade / 100;
1530		1314
1531	low.r = low.g = low.b = 0;	1315	low = 0;
1532	}	1316	}
1533		1317
1534	/* fill our lookup tables */	1318	/* fill our lookup tables */
1535	for (i = 0; i <= mask_r>>sh_r; i++)	1319	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1536	{	1320	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	uint32_t tmp;	1321	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		1322
1557	/* apply table to input image (replacing colors by newly calculated ones) */	1323	/* apply table to input image (replacing colors by newly calculated ones) */
1558	if (ximage->bits_per_pixel == 32	1324	if (ximage->bits_per_pixel == 32
1559	&& (ximage->depth == 24 || ximage->depth == 32)
1560	&& ximage->byte_order == host_byte_order)	1325	&& ximage->byte_order == host_byte_order)
1561	{	1326	{
1562	uint32_t *p1, *pf, *p, *pl;	1327	char *line = ximage->data;
1563	p1 = (uint32_t *) ximage->data;
1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1565		1328
1566	while (p1 < pf)	1329	for (int y = 0; y < ximage->height; y++)
1567	{	1330	{
1568	p = p1;	1331	uint32_t *p = (uint32_t *)line;
1569	pl = p1 + ximage->width;	1332	for (int x = 0; x < ximage->width; x++)
1570	for (; p < pl; p++)
1571	{	1333	{
1572	*p = lookup_r[(*p & 0xff0000) >> 16] |	1334	*p = lookup_r[(*p & mask_r) >> sh_r] |
1573	lookup_g[(*p & 0x00ff00) >> 8] |	1335	lookup_g[(*p & mask_g) >> sh_g] |
1574	lookup_b[(*p & 0x0000ff)] |	1336	lookup_b[(*p & mask_b) >> sh_b];
1575	(*p & 0xff000000);	1337	p++;
1576	}	1338	}
1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1339	line += ximage->bytes_per_line;
1578	}	1340	}
1579	}	1341	}
1580	else	1342	else
1581	{	1343	{
1582	for (int y = 0; y < ximage->height; y++)	1344	for (int y = 0; y < ximage->height; y++)
…		…
1590	}	1352	}
1591	}	1353	}
1592		1354
1593	free (lookup);	1355	free (lookup);
1594	}	1356	}
1595	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1357	#endif /* ENABLE_TRANSPARENCY */

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