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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.156 by sf-exg, Tue Aug 9 18:41:31 2011 UTC vs.
Revision 1.221 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	{
265	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
266	w = h = noScale;	226	w = h = noScale;
267	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
268	}	228	}
269	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
270	{	230	{
271	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
272	}	234	}
273	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
274	{	236	{
		237	new_flags |= IM_TILE;
275	if (w == 0) w = windowScale;	238	w = windowScale;
276
277	h = noScale;	239	h = noScale;
278	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
279	}	241	}
280	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
281	{	243	{
		244	new_flags |= IM_TILE;
282	if (h == 0) h = windowScale;	245	h = windowScale;
283
284	w = noScale;	246	w = noScale;
285	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
286	}	248	}
287	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
288	{	250	{
289	if (h == 0) h = windowScale;
290	if (w == 0) w = windowScale;	251	w = h = windowScale;
291
292	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
293	}	253	}
294	else if (!strcasecmp (arr[i], "auto"))	254	else if (!strcasecmp (arr[i], "auto"))
295	{	255	{
296	w = h = windowScale;	256	w = h = windowScale;
297	x = y = centerAlign;	257	x = y = centerAlign;
298	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
299	}	259	}
300	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
301	{	261	{
302	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
303	w = h = noScale;	263	w = h = noScale;
304	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
305	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
306	} /* done parsing ops */	269	} /* done parsing ops */
307		270
308	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
309	}	272	}
310		273
311	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
312	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
313	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
314	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
315		275
316	if (new_flags != bg_flags)	276	if (!update)
		277	{
		278	if (!(geom_flags & XValue))
		279	x = y = defaultAlign;
		280	else if (!(geom_flags & YValue))
		281	y = x;
		282
		283	if (!(geom_flags & (WidthValue|HeightValue)))
		284	w = h = defaultScale;
		285	else if (!(geom_flags & HeightValue))
		286	h = w;
		287	else if (!(geom_flags & WidthValue))
		288	w = h;
317	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
318	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
319	changed = true;	305	changed = true;
320	}	306	}
321		307
		308	if (!(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
322	return changed;	315	return changed;
323	}	316	}
324		317
325	void	318	void
326	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)
327	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
328	int target_width = szHint.width;	323	int target_width = szHint.width;
329	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);
330		327
331	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)
332	{	332	{
333	float scale = (float)target_width / image_width;	333	float scale = (float)w / image_width;
334	min_it (scale, (float)target_height / image_height);	334	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
337	}	337	}
338	else
339	{
340	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;
342	}
343		338
344	if (!w) w = image_width;	339	if (!w) w = image_width;
345	if (!h) h = image_height;	340	if (!h) h = image_height;
346		341
347	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
348	{	343	{
349	x = -target_x;	344	x = -target_x;
350	y = -target_y;	345	y = -target_y;
351	}	346	}
352	else	347	else
353	{	348	{
354	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
355	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
356	}
357
358	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
359	if (!(bg_flags & BG_TILE)
360	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale
361	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
362	|| w > target_width || h > target_height)
363	bg_flags |= BG_IS_SIZE_SENSITIVE;
364	}
365
366	# ifdef HAVE_AFTERIMAGE
367	bool
368	rxvt_term::render_image (unsigned long tr_flags)
369	{
370	init_asv ();
371
372	ASImage *background = NULL;
373	ARGB32 background_tint = TINT_LEAVE_SAME;
374
375	# ifdef ENABLE_TRANSPARENCY
376	if (tr_flags)
377	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
378
379	if (tr_flags & BG_NEEDS_TINT)
380	{	351	}
381	ShadingInfo as_shade;	352	}
382	as_shade.shading = shade;
383		353
384	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
385	if (bg_flags & BG_TINT_SET)	355	bool
386	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
387	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
388	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
389	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;
390		368
391	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
392	}	373	{
393		374	red_mask = 0xff << 16;
394	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
395	{	378	}
396	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
397	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	380	{
398	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);
399	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)
400	{	447	{
401	destroy_asimage (&background);	448	a = pixel[3];
402	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);
403	}	470	}
404	}
405	# endif
406		471
407	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);
408		498
409	int target_width = szHint.width;	499	int target_width = szHint.width;
410	int target_height = szHint.height;	500	int target_height = szHint.height;
411	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
412	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
414	int x = 0;	504	int x = 0;
415	int y = 0;	505	int y = 0;
416	int w = 0;	506	int w = 0;
417	int h = 0;	507	int h = 0;
418		508
419	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
420	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
421		510
422	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
423	|| (!(bg_flags & BG_ROOT_ALIGN)
424	&& (x >= target_width	512	&& (x >= target_width
425	|| y >= target_height	513	|| y >= target_height
426	|| (x + w <= 0)	514	|| x + w <= 0
427	|| (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);
428	{	526	}
429	if (background)
430	{
431	new_pmap_width = background->width;
432	new_pmap_height = background->height;
433	result = background;
434		527
435	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)
436	{	549	{
437	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
438	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
439	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
440	if (tmp)
441	result = tmp;
442	}
443	}	552	}
444	else
445	new_pmap_width = new_pmap_height = 0;
446	}
447	else
448	{
449	result = original_asim;
450		553
451	if ((w != original_asim->width)
452	|| (h != original_asim->height))
453	{
454	result = scale_asimage (asv, original_asim,
455	w, h,
456	background ? ASA_ASImage : ASA_XImage,
457	100, ASIMAGE_QUALITY_DEFAULT);
458	}
459
460	if (background == NULL)
461	{
462	if (bg_flags & BG_TILE)
463	{
464	/* if tiling - pixmap has to be sized exactly as the image,
465	but there is no need to make it bigger than the window! */
466	new_pmap_width = min (result->width, target_width);
467	new_pmap_height = min (result->height, target_height);
468
469	/* we also need to tile our image in both directions */
470	ASImage *tmp = tile_asimage (asv, result,
471	(int)result->width - x,
472	(int)result->height - y,
473	new_pmap_width,
474	new_pmap_height,
475	TINT_LEAVE_SAME, ASA_XImage,
476	100, ASIMAGE_QUALITY_DEFAULT);
477	if (tmp)
478	{
479	if (result != original_asim)
480	destroy_asimage (&result);
481
482	result = tmp;
483	}
484	}
485	}
486	else
487	{
488	/* if blending background and image - pixmap has to be sized same as target window */
489	ASImageLayer *layers = create_image_layers (2);
490
491	layers[0].im = background;
492	layers[0].clip_width = target_width;
493	layers[0].clip_height = target_height;
494	layers[0].tint = background_tint;
495	layers[1].im = result;
496
497	if (bg_flags & BG_TILE)
498	{
499	/* tile horizontally */
500	while (x > 0) x -= (int)result->width;
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width+target_width;
503	}
504	else
505	{
506	/* clip horizontally */
507	layers[1].dst_x = x;
508	layers[1].clip_width = result->width;
509	}
510
511	if (bg_flags & BG_TILE)
512	{
513	while (y > 0) y -= (int)result->height;
514	layers[1].dst_y = y;
515	layers[1].clip_height = result->height + target_height;
516	}
517	else
518	{
519	layers[1].dst_y = y;
520	layers[1].clip_height = result->height;
521	}
522
523	if (rs[Rs_blendtype])
524	{
525	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
526	if (layers[1].merge_scanlines == NULL)
527	layers[1].merge_scanlines = alphablend_scanlines;
528	}
529
530	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
531	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
532
533	if (tmp)
534	{
535	if (result != original_asim)
536	destroy_asimage (&result);
537
538	result = tmp;
539	}
540
541	free (layers);
542	}
543	}
544
545	bool ret = false;
546
547	if (result)
548	{
549	XGCValues gcv;
550	GC gc;
551
552	/* create Pixmap */
553	if (bg_pixmap == None	554	if (bg_pixmap == None
554	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
555	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
556	{	557	{
557	if (bg_pixmap)	558	if (bg_pixmap)
558	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
559	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);
560	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
561	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
562	}	563	}
563	/* fill with background color (if result's not completely overlapping it) */
564	gcv.foreground = pix_colors[Color_bg];
565	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
566		564
567	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
568	int dst_width = result->width, dst_height = result->height;
569	if (background == NULL)
570	{
571	if (!(bg_flags & BG_TILE))
572	{
573	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
574	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
575	}
576
577	if (dst_x > 0 || dst_y > 0
578	|| dst_x + dst_width < new_pmap_width
579	|| dst_y + dst_height < new_pmap_height)
580	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
581	}
582
583	/* put result on pixmap */
584	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
585	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
586
587	if (result != background && result != original_asim)
588	destroy_asimage (&result);
589
590	XFreeGC (dpy, gc);
591
592	ret = true;
593	}
594
595	if (background)
596	destroy_asimage (&background);
597
598	return ret;
599	}
600	# endif /* HAVE_AFTERIMAGE */
601
602	# ifdef HAVE_PIXBUF
603	bool
604	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
605	int src_x, int src_y, int dst_x, int dst_y,
606	unsigned int width, unsigned int height)
607	{
608	XImage *ximage;
609	char *data, *line;
610	int bytes_per_pixel;
611	int width_r, width_g, width_b;
612	int sh_r, sh_g, sh_b;
613	int rowstride;
614	int channels;
615	unsigned char *row;
616
617	if (visual->c_class != TrueColor)
618	return false;
619
620	if (depth == 24 || depth == 32)
621	bytes_per_pixel = 4;
622	else if (depth == 15 || depth == 16)
623	bytes_per_pixel = 2;
624	else
625	return false;
626
627	width_r = ecb_popcount32 (visual->red_mask);
628	width_g = ecb_popcount32 (visual->green_mask);
629	width_b = ecb_popcount32 (visual->blue_mask);
630
631	if (width_r > 8 || width_g > 8 || width_b > 8)
632	return false;
633
634	sh_r = ecb_ctz32 (visual->red_mask);
635	sh_g = ecb_ctz32 (visual->green_mask);
636	sh_b = ecb_ctz32 (visual->blue_mask);
637
638	if (width > INT_MAX / height / bytes_per_pixel)
639	return false;
640
641	data = (char *)malloc (width * height * bytes_per_pixel);
642	if (!data)
643	return false;
644
645	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
646	width, height, bytes_per_pixel * 8, 0);
647	if (!ximage)
648	{
649	free (data);
650	return false;
651	}
652
653	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
654
655	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
656	channels = gdk_pixbuf_get_n_channels (pixbuf);
657	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
658	line = data;
659
660	for (int y = 0; y < height; y++)
661	{
662	for (int x = 0; x < width; x++)
663	{
664	unsigned char *pixel = row + x * channels;
665	uint32_t value;
666
667	value = ((pixel[0] >> (8 - width_r)) << sh_r)
668	| ((pixel[1] >> (8 - width_g)) << sh_g)
669	| ((pixel[2] >> (8 - width_b)) << sh_b);
670
671	if (bytes_per_pixel == 4)
672	((uint32_t *)line)[x] = value;
673	else
674	((uint16_t *)line)[x] = value;
675	}
676
677	row += rowstride;
678	line += ximage->bytes_per_line;
679	}
680
681	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
682	XDestroyImage (ximage);
683	return true;
684	}
685
686	bool
687	rxvt_term::render_image (unsigned long tr_flags)
688	{
689	if (!pixbuf)
690	return false;
691
692	if (tr_flags
693	&& !(bg_flags & BG_HAS_RENDER))
694	return false;
695
696	GdkPixbuf *result;
697
698	int image_width = gdk_pixbuf_get_width (pixbuf);
699	int image_height = gdk_pixbuf_get_height (pixbuf);
700
701	int target_width = szHint.width;
702	int target_height = szHint.height;
703	int new_pmap_width = target_width;
704	int new_pmap_height = target_height;
705
706	int x = 0;
707	int y = 0;
708	int w = 0;
709	int h = 0;
710
711	get_image_geometry (image_width, image_height, w, h, x, y);
712
713	if (!(bg_flags & BG_ROOT_ALIGN)
714	&& (x >= target_width
715	|| y >= target_height
716	|| (x + w <= 0)
717	|| (y + h <= 0)))
718	return false;
719
720	result = pixbuf;
721
722	if ((w != image_width)
723	|| (h != image_height))
724	{
725	result = gdk_pixbuf_scale_simple (pixbuf,
726	w, h,
727	GDK_INTERP_BILINEAR);
728	}
729
730	if (!result)
731	return false;
732
733	bool ret = false;
734
735	XGCValues gcv;
736	GC gc;
737	Pixmap root_pmap;
738
739	image_width = gdk_pixbuf_get_width (result);
740	image_height = gdk_pixbuf_get_height (result);
741
742	if (tr_flags)
743	{
744	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
745	bg_pixmap = None;
746	}
747	else
748	{
749	if (bg_flags & BG_TILE)
750	{
751	new_pmap_width = min (image_width, target_width);
752	new_pmap_height = min (image_height, target_height);
753	}
754	}
755
756	if (bg_pixmap == None
757	|| bg_pmap_width != new_pmap_width
758	|| bg_pmap_height != new_pmap_height)
759	{
760	if (bg_pixmap)
761	XFreePixmap (dpy, bg_pixmap);
762	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
763	bg_pmap_width = new_pmap_width;
764	bg_pmap_height = new_pmap_height;
765	}	566	}
766		567
767	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
769		570
770	if (gc)	571	if (gc)
771	{	572	{
772	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
773	{	574	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
775	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
776	0, 0,	577	0, 0,
777	0, 0,	578	0, 0,
778	image_width, image_height);	579	image_width, image_height, need_blend);
779		580
780	gcv.tile = tile;	581	gcv.tile = tile;
781	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
782	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
783	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
784	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
785		586
786	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);
787	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
788	}	589	}
789	else	590	else
790	{	591	{
791	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
795	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
796		597
797	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
798	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
799	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
800	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);
801		602
802	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
803	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
804	src_x, src_y,	605	src_x, src_y,
805	dst_x, dst_y,	606	dst_x, dst_y,
806	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
807	}	608	}
808		609
809	#if XRENDER	610	#if XRENDER
810	if (tr_flags)	611	if (need_blend)
811	{	612	{
812	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
813
814	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
815	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
816		617
817	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
818	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
819		619
820	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
821	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
822	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
823	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
824	XFreePixmap (dpy, mask_pmap);
825		621
826	XRenderColor mask_c;	622	XRenderColor mask_c;
827		623
828	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
829	mask_c.red = 0;	625	mask_c.red =
830	mask_c.green = 0;	626	mask_c.green =
831	mask_c.blue = 0;	627	mask_c.blue = 0;
832	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
833	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);
834		631
835	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
836	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
837	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
844	}	641	}
845		642
846	if (result != pixbuf)	643	if (result != pixbuf)
847	g_object_unref (result);	644	g_object_unref (result);
848		645
849	if (tr_flags)	646	if (need_blend)
850	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
851		648
852	return ret;	649	return ret;
853	}	650	}
854	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
855		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
856	bool	708	bool
857	rxvt_term::bg_set_file (const char *file)	709	rxvt_image::set_file_geometry (const char *file)
858	{	710	{
859	if (!file || !*file)	711	if (!file || !*file)
860	return false;	712	return false;
861		713
862	if (const char *p = strchr (file, ';'))	714	const char *p = strchr (file, ';');
		715
		716	if (p)
863	{	717	{
864	size_t len = p - file;	718	size_t len = p - file;
865	char *f = rxvt_temp_buf<char> (len + 1);	719	char *f = rxvt_temp_buf<char> (len + 1);
866	memcpy (f, file, len);	720	memcpy (f, file, len);
867	f[len] = '\0';	721	f[len] = '\0';
868	file = f;	722	file = f;
869	}	723	}
870		724
871	# ifdef HAVE_AFTERIMAGE	725	bool ret = set_file (file);
872	if (!asimman)	726	alpha = 0x8000;
873	asimman = create_generic_imageman (rs[Rs_path]);	727	if (ret && p)
874	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	728	set_geometry (p + 1);
875	if (image)	729	return ret;
876	{	730	}
877	if (original_asim)	731
878	safe_asimage_destroy (original_asim);	732	bool
879	original_asim = image;	733	rxvt_image::set_file (const char *file)
880	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	734	{
881	return true;	735	bool ret = false;
882	}
883	# endif
884		736
885	# ifdef HAVE_PIXBUF	737	# ifdef HAVE_PIXBUF
886	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	738	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
887	if (image)	739	if (image)
888	{	740	{
889	if (pixbuf)	741	if (pixbuf)
890	g_object_unref (pixbuf);	742	g_object_unref (pixbuf);
891	pixbuf = image;	743	pixbuf = image;
892	bg_flags |= BG_IS_FROM_FILE;
893	return true;	744	ret = true;
894	}	745	}
895	# endif	746	# endif
896		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
897	return false;	756	return ret;
898	}	757	}
899		758
900	# endif /* BG_IMAGE_FROM_FILE */	759	# endif /* BG_IMAGE_FROM_FILE */
901		760
902	# ifdef ENABLE_TRANSPARENCY	761	# ifdef ENABLE_TRANSPARENCY
903	bool
904	rxvt_term::bg_set_transparent ()
905	{
906	if (!(bg_flags & BG_IS_TRANSPARENT))
907	{
908	bg_flags |= BG_IS_TRANSPARENT;
909	return true;
910	}
911
912	return false;
913	}
914
915	bool	762	bool
916	rxvt_term::bg_set_blur (const char *geom)	763	rxvt_term::bg_set_blur (const char *geom)
917	{	764	{
918	bool changed = false;	765	bool changed = false;
919	unsigned int hr, vr;	766	unsigned int hr, vr;
…		…
938	{	785	{
939	changed = true;	786	changed = true;
940	v_blurRadius = vr;	787	v_blurRadius = vr;
941	}	788	}
942		789
943	if (v_blurRadius == 0 && h_blurRadius == 0)
944	bg_flags &= ~BG_NEEDS_BLUR;
945	else
946	bg_flags |= BG_NEEDS_BLUR;
947
948	return changed;	790	return changed;
949	}	791	}
950		792
951	void	793	bool
952	rxvt_term::set_tint_shade_flags ()	794	rxvt_term::bg_set_tint (rxvt_color &new_tint)
953	{	795	{
954	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	796	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
955	bool has_shade = shade != 100;	797	{
956		798	tint = new_tint;
957	bg_flags &= ~BG_TINT_FLAGS;	799	bg_flags |= BG_TINT_SET;
958		800
959	if (bg_flags & BG_TINT_SET)	801	rgba c;
960	{
961	tint.get (c);	802	tint.get (c);
962	if (!has_shade
963	&& (c.r <= 0x00ff || c.r >= 0xff00)	803	if ((c.r <= 0x00ff || c.r >= 0xff00)
964	&& (c.g <= 0x00ff || c.g >= 0xff00)	804	&& (c.g <= 0x00ff || c.g >= 0xff00)
965	&& (c.b <= 0x00ff || c.b >= 0xff00))	805	&& (c.b <= 0x00ff || c.b >= 0xff00))
966	bg_flags |= BG_TINT_BITAND;	806	bg_flags |= BG_TINT_BITAND;
967	}	807	else
968
969	if (has_shade || (bg_flags & BG_TINT_SET))
970	bg_flags |= BG_NEEDS_TINT;
971	}
972
973	bool
974	rxvt_term::bg_set_tint (rxvt_color &new_tint)
975	{
976	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
977	{
978	tint = new_tint;
979	bg_flags |= BG_TINT_SET;	808	bg_flags &= ~BG_TINT_BITAND;
980	set_tint_shade_flags ();	809
981	return true;	810	return true;
982	}	811	}
983		812
984	return false;	813	return false;
985	}	814	}
986		815
987	bool	816	bool
988	rxvt_term::bg_set_shade (const char *shade_str)	817	rxvt_term::bg_set_shade (const char *shade_str)
989	{	818	{
990	int new_shade = (shade_str) ? atoi (shade_str) : 100;	819	int new_shade = atoi (shade_str);
991		820
992	clamp_it (new_shade, -100, 200);	821	clamp_it (new_shade, -100, 200);
993	if (new_shade < 0)	822	if (new_shade < 0)
994	new_shade = 200 - (100 + new_shade);	823	new_shade = 200 - (100 + new_shade);
995		824
996	if (new_shade != shade)	825	if (new_shade != shade)
997	{	826	{
998	shade = new_shade;	827	shade = new_shade;
999	set_tint_shade_flags ();
1000	return true;	828	return true;
1001	}	829	}
1002		830
1003	return false;	831	return false;
1004	}	832	}
…		…
1025	params[i+2] = XDoubleToFixed (kernel[i] / sum);	853	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1026	}	854	}
1027	#endif	855	#endif
1028		856
1029	bool	857	bool
1030	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	858	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1031	{	859	{
1032	bool ret = false;	860	bool ret = false;
1033	#if XRENDER	861	#if XRENDER
		862	if (!(bg_flags & BG_HAS_RENDER_CONV))
		863	return false;
		864
1034	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	865	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1035	double *kernel = (double *)malloc (size * sizeof (double));	866	double *kernel = (double *)malloc (size * sizeof (double));
1036	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	867	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1037		868
1038	XRenderPictureAttributes pa;	869	XRenderPictureAttributes pa;
1039	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1040		871
		872	pa.repeat = RepeatPad;
1041	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);
1042	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	875	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		876	XFreePixmap (dpy, tmp);
1043		877
1044	if (kernel && params)	878	if (kernel && params)
1045	{	879	{
1046	if (h_blurRadius)
1047	{
1048	size = h_blurRadius * 2 + 1;	880	size = h_blurRadius * 2 + 1;
1049	get_gaussian_kernel (h_blurRadius, size, kernel, params);	881	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1050		882
1051	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	883	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1052	XRenderComposite (dpy,	884	XRenderComposite (dpy,
1053	PictOpSrc,	885	PictOpSrc,
1054	src,	886	src,
1055	None,	887	None,
1056	dst,	888	dst,
1057	0, 0,	889	0, 0,
1058	0, 0,	890	0, 0,
1059	0, 0,	891	0, 0,
1060	width, height);	892	width, height);
1061	}
1062		893
1063	if (v_blurRadius)	894	::swap (src, dst);
1064	{	895
1065	size = v_blurRadius * 2 + 1;	896	size = v_blurRadius * 2 + 1;
1066	get_gaussian_kernel (v_blurRadius, size, kernel, params);	897	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1067	::swap (params[0], params[1]);	898	::swap (params[0], params[1]);
1068		899
1069	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	900	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1070	XRenderComposite (dpy,	901	XRenderComposite (dpy,
1071	PictOpSrc,	902	PictOpSrc,
1072	src,	903	src,
1073	None,	904	None,
1074	dst,	905	dst,
1075	0, 0,	906	0, 0,
1076	0, 0,	907	0, 0,
1077	0, 0,	908	0, 0,
1078	width, height);	909	width, height);
1079	}
1080		910
1081	ret = true;	911	ret = true;
1082	}	912	}
1083		913
1084	free (kernel);	914	free (kernel);
…		…
1088	#endif	918	#endif
1089	return ret;	919	return ret;
1090	}	920	}
1091		921
1092	bool	922	bool
1093	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	923	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1094	{	924	{
1095	bool ret = false;	925	bool ret = false;
1096		926
1097	if (bg_flags & BG_TINT_BITAND)	927	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1098	{	928	{
1099	XGCValues gcv;	929	XGCValues gcv;
1100	GC gc;	930	GC gc;
1101		931
1102	/* In this case we can tint image server-side getting significant	932	/* In this case we can tint image server-side getting significant
…		…
1111	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	941	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1112	ret = true;	942	ret = true;
1113	XFreeGC (dpy, gc);	943	XFreeGC (dpy, gc);
1114	}	944	}
1115	}	945	}
1116	else
1117	{
1118	# if XRENDER	946	# if XRENDER
		947	else if (bg_flags & BG_HAS_RENDER)
		948	{
1119	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	949	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1120		950
1121	if (bg_flags & BG_TINT_SET)	951	if (bg_flags & BG_TINT_SET)
1122	tint.get (c);	952	tint.get (c);
1123		953
…		…
1132	c.r = c.r * (200 - shade) / 100;	962	c.r = c.r * (200 - shade) / 100;
1133	c.g = c.g * (200 - shade) / 100;	963	c.g = c.g * (200 - shade) / 100;
1134	c.b = c.b * (200 - shade) / 100;	964	c.b = c.b * (200 - shade) / 100;
1135	}	965	}
1136		966
1137	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1138	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	967	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1139	XRenderPictureAttributes pa;
1140		968
1141	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	969	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1142		970
1143	pa.repeat = True;	971	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1144		972
1145	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	973	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1146	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1147	XFreePixmap (dpy, overlay_pmap);
1148
1149	pa.component_alpha = True;
1150	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1151	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1152	XFreePixmap (dpy, mask_pmap);
1153		974
1154	XRenderColor mask_c;	975	XRenderColor mask_c;
1155		976
1156	mask_c.alpha = 0xffff;	977	mask_c.alpha = 0xffff;
1157	mask_c.red =	978	mask_c.red =
…		…
1162	mask_c.alpha = 0;	983	mask_c.alpha = 0;
1163	mask_c.red = 0xffff - c.r;	984	mask_c.red = 0xffff - c.r;
1164	mask_c.green = 0xffff - c.g;	985	mask_c.green = 0xffff - c.g;
1165	mask_c.blue = 0xffff - c.b;	986	mask_c.blue = 0xffff - c.b;
1166	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		988
1167	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);
1168		990
1169	if (shade > 100)	991	if (shade > 100)
1170	{	992	{
1171	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1172	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;
1173	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	997	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1174		998
1175	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);
1176	}	1000	}
1177		1001
1178	ret = true;	1002	ret = true;
1179		1003
1180	XRenderFreePicture (dpy, mask_pic);	1004	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	1005	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	1006	XRenderFreePicture (dpy, back_pic);
		1007	}
1183	# endif	1008	# endif
1184	}
1185		1009
1186	return ret;	1010	return ret;
1187	}	1011	}
1188		1012
1189	/*	1013	/*
1190	* 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
1191	* 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
1192	* our window.	1016	* our window.
1193	*/	1017	*/
1194	unsigned long	1018	bool
1195	rxvt_term::make_transparency_pixmap ()	1019	rxvt_term::make_transparency_pixmap ()
1196	{	1020	{
1197	unsigned long result = 0;	1021	bool ret = false;
1198		1022
1199	/* 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
1200	* be always up-to-date, so let's use it :	1024	* be always up-to-date, so let's use it :
1201	*/	1025	*/
1202	int screen = display->screen;	1026	int screen = display->screen;
…		…
1240	#if XRENDER	1064	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	1065	if (bg_flags & BG_HAS_RENDER)
1242	{	1066	{
1243	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);
1244		1068
1245	XRenderPictureAttributes pa;
1246
1247	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1069	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1248	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1070	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1249		1071
1250	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1072	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1251	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1073	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1252		1074
1253	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);
1254		1076
1255	XRenderFreePicture (dpy, src);	1077	XRenderFreePicture (dpy, src);
1256	XRenderFreePicture (dpy, dst);	1078	XRenderFreePicture (dpy, dst);
…		…
1273	bg_pmap_width = window_width;	1095	bg_pmap_width = window_width;
1274	bg_pmap_height = window_height;	1096	bg_pmap_height = window_height;
1275	}	1097	}
1276		1098
1277	/* straightforward pixmap copy */	1099	/* straightforward pixmap copy */
1278	while (sx < 0) sx += root_width;	1100	while (sx < 0) sx += root_pmap_width;
1279	while (sy < 0) sy += root_height;	1101	while (sy < 0) sy += root_pmap_height;
1280		1102
1281	gcv.tile = recoded_root_pmap;	1103	gcv.tile = recoded_root_pmap;
1282	gcv.fill_style = FillTiled;	1104	gcv.fill_style = FillTiled;
1283	gcv.ts_x_origin = -sx;	1105	gcv.ts_x_origin = -sx;
1284	gcv.ts_y_origin = -sy;	1106	gcv.ts_y_origin = -sy;
1285	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1107	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1286		1108
1287	if (gc)	1109	if (gc)
1288	{	1110	{
1289	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1111	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1290	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1112	ret = true;
1291	XFreeGC (dpy, gc);	1113	bool need_blur = h_blurRadius && v_blurRadius;
		1114	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1292		1115
1293	if (!(bg_flags & BG_CLIENT_RENDER))	1116	if (!(bg_flags & BG_CLIENT_RENDER))
1294	{	1117	{
1295	if ((bg_flags & BG_NEEDS_BLUR)	1118	if (need_blur)
1296	&& (bg_flags & BG_HAS_RENDER_CONV))
1297	{	1119	{
1298	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (blur_pixmap (bg_pixmap, window_width, window_height))
1299	result &= ~BG_NEEDS_BLUR;	1121	need_blur = false;
1300	}	1122	}
1301	if ((bg_flags & BG_NEEDS_TINT)	1123	if (need_tint)
1302	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1303	{	1124	{
1304	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1125	if (tint_pixmap (bg_pixmap, window_width, window_height))
1305	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	}
1306	}	1139	}
1307	} /* server side rendering completed */	1140	} /* server side rendering completed */
		1141
		1142	XFreeGC (dpy, gc);
1308	}	1143	}
1309		1144
1310	if (recoded_root_pmap != root_pixmap)	1145	if (recoded_root_pmap != root_pixmap)
1311	XFreePixmap (dpy, recoded_root_pmap);	1146	XFreePixmap (dpy, recoded_root_pmap);
1312		1147
1313	return result;	1148	return ret;
1314	}	1149	}
1315		1150
1316	void	1151	void
1317	rxvt_term::bg_set_root_pixmap ()	1152	rxvt_term::bg_set_root_pixmap ()
1318	{	1153	{
…		…
1322		1157
1323	root_pixmap = new_root_pixmap;	1158	root_pixmap = new_root_pixmap;
1324	}	1159	}
1325	# endif /* ENABLE_TRANSPARENCY */	1160	# endif /* ENABLE_TRANSPARENCY */
1326		1161
1327	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1328	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1329	# endif
1330
1331	bool	1162	bool
1332	rxvt_term::bg_render ()	1163	rxvt_term::bg_render ()
1333	{	1164	{
1334	unsigned long tr_flags = 0;
1335
1336	bg_invalidate ();	1165	bg_invalidate ();
1337	# ifdef ENABLE_TRANSPARENCY	1166	# ifdef ENABLE_TRANSPARENCY
1338	if (bg_flags & BG_IS_TRANSPARENT)	1167	if (bg_flags & BG_IS_TRANSPARENT)
1339	{	1168	{
1340	/* we need to re-generate transparency pixmap in that case ! */	1169	/* we need to re-generate transparency pixmap in that case ! */
1341	tr_flags = make_transparency_pixmap ();	1170	if (make_transparency_pixmap ())
1342	if (tr_flags == 0)
1343	return false;
1344	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1345	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1346	}	1172	}
1347	# endif	1173	# endif
1348		1174
1349	# ifdef BG_IMAGE_FROM_FILE	1175	# ifdef BG_IMAGE_FROM_FILE
1350	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++)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1177	{
1353	if (render_image (tr_flags))	1178	if (render_image (*bg_image))
1354	bg_flags |= BG_IS_VALID;	1179	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags && !(bg_flags & BG_IS_VALID))
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	if (tr_flags & BG_NEEDS_TINT)
1370	{
1371	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1372	if (bg_flags & BG_TINT_SET)
1373	tint.get (c);
1374	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1375	}
1376
1377	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1378
1379	if (gc)
1380	{
1381	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1382
1383	XFreeGC (dpy, gc);
1384	bg_flags |= BG_IS_VALID;
1385	}
1386
1387	XDestroyImage (result);
1388	}	1180	}
1389	# endif	1181	# endif
1390		1182
1391	if (!(bg_flags & BG_IS_VALID))	1183	if (!(bg_flags & BG_IS_VALID))
1392	{	1184	{
…		…
1425	bg_flags |= BG_HAS_RENDER_CONV;	1217	bg_flags |= BG_HAS_RENDER_CONV;
1426		1218
1427	XFree (filters);	1219	XFree (filters);
1428	}	1220	}
1429	#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
1430	}	1247	}
1431		1248
1432	#endif /* HAVE_BG_PIXMAP */	1249	#endif /* HAVE_BG_PIXMAP */
1433		1250
1434	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1251	#ifdef ENABLE_TRANSPARENCY
1435	/* taken from aterm-0.4.2 */	1252	/* based on code from aterm-0.4.2 */
1436		1253
1437	static void	1254	static inline void
1438	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)
1439	{	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;
1440	int sh_r, sh_g, sh_b;	1270	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1271	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1272	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1443	rgba low;	1273	unsigned short low;
1444	rgba high;
1445	int i;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1274	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1447		1275
1448	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1276	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1449		1277
1450	/* for convenience */	1278	/* for convenience */
1451	mask_r = visual->red_mask;	1279	mask_r = visual->red_mask;
1452	mask_g = visual->green_mask;	1280	mask_g = visual->green_mask;
1453	mask_b = visual->blue_mask;	1281	mask_b = visual->blue_mask;
1454		1282
1455	/* boring lookup table pre-initialization */	1283	/* boring lookup table pre-initialization */
1456	switch (ximage->depth)	1284	sh_r = ecb_ctz32 (mask_r);
1457	{	1285	sh_g = ecb_ctz32 (mask_g);
1458	case 15:	1286	sh_b = ecb_ctz32 (mask_b);
1459	if ((mask_r != 0x7c00) ||	1287
1460	(mask_g != 0x03e0) ||	1288	size_r = mask_r >> sh_r;
1461	(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)
1462	return;	1293	return;
1463	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));
1464	lookup_r = lookup;	1296	lookup_r = lookup;
1465	lookup_g = lookup+32;	1297	lookup_g = lookup + size_r;
1466	lookup_b = lookup+32+32;	1298	lookup_b = lookup + size_r + size_g;
1467	sh_r = 10;	1299
1468	sh_g = 5;	1300	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1469	sh_b = 0;	1301
1470	break;	1302	if (bg_flags & BG_TINT_SET)
1471	case 16:	1303	tint.get (c);
1472	if ((mask_r != 0xf800) ||
1473	(mask_g != 0x07e0) ||
1474	(mask_b != 0x001f))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1477	lookup_r = lookup;
1478	lookup_g = lookup+32;
1479	lookup_b = lookup+32+64;
1480	sh_r = 11;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 24:
1485	if ((mask_r != 0xff0000) ||
1486	(mask_g != 0x00ff00) ||
1487	(mask_b != 0x0000ff))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1490	lookup_r = lookup;
1491	lookup_g = lookup+256;
1492	lookup_b = lookup+256+256;
1493	sh_r = 16;
1494	sh_g = 8;
1495	sh_b = 0;
1496	break;
1497	case 32:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	default:
1511	return; /* we do not support this color depth */
1512	}
1513		1304
1514	/* prepare limits for color transformation (each channel is handled separately) */	1305	/* prepare limits for color transformation (each channel is handled separately) */
1515	if (shade > 100)	1306	if (shade > 100)
1516	{	1307	{
1517	shade = 200 - shade;
1518
1519	high.r = c.r * shade / 100;
1520	high.g = c.g * shade / 100;
1521	high.b = c.b * shade / 100;
1522
1523	low.r = 65535 * (100 - shade) / 100;	1308	c.r = c.r * (200 - shade) / 100;
1524	low.g = 65535 * (100 - shade) / 100;	1309	c.g = c.g * (200 - shade) / 100;
1525	low.b = 65535 * (100 - shade) / 100;	1310	c.b = c.b * (200 - shade) / 100;
		1311
		1312	low = 0xffff * (shade - 100) / 100;
1526	}	1313	}
1527	else	1314	else
1528	{	1315	{
1529	high.r = c.r * shade / 100;	1316	c.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;	1317	c.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;	1318	c.b = c.b * shade / 100;
1532		1319
1533	low.r = low.g = low.b = 0;	1320	low = 0;
1534	}	1321	}
1535		1322
1536	/* fill our lookup tables */	1323	/* fill our lookup tables */
1537	for (i = 0; i <= mask_r>>sh_r; i++)	1324	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1538	{	1325	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	uint32_t tmp;	1326	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540	tmp = i * high.r;
1541	tmp += (mask_r>>sh_r) * low.r;
1542	lookup_r[i] = (tmp/65535)<<sh_r;
1543	}
1544	for (i = 0; i <= mask_g>>sh_g; i++)
1545	{
1546	uint32_t tmp;
1547	tmp = i * high.g;
1548	tmp += (mask_g>>sh_g) * low.g;
1549	lookup_g[i] = (tmp/65535)<<sh_g;
1550	}
1551	for (i = 0; i <= mask_b>>sh_b; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.b;
1555	tmp += (mask_b>>sh_b) * low.b;
1556	lookup_b[i] = (tmp/65535)<<sh_b;
1557	}
1558		1327
1559	/* apply table to input image (replacing colors by newly calculated ones) */	1328	/* apply table to input image (replacing colors by newly calculated ones) */
1560	if (ximage->bits_per_pixel == 32	1329	if (ximage->bits_per_pixel == 32
1561	&& (ximage->depth == 24 || ximage->depth == 32)
1562	&& ximage->byte_order == host_byte_order)	1330	&& ximage->byte_order == host_byte_order)
1563	{	1331	{
1564	uint32_t *p1, *pf, *p, *pl;	1332	char *line = ximage->data;
1565	p1 = (uint32_t *) ximage->data;
1566	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1567		1333
1568	while (p1 < pf)	1334	for (int y = 0; y < ximage->height; y++)
1569	{	1335	{
1570	p = p1;	1336	uint32_t *p = (uint32_t *)line;
1571	pl = p1 + ximage->width;	1337	for (int x = 0; x < ximage->width; x++)
1572	for (; p < pl; p++)
1573	{	1338	{
1574	*p = lookup_r[(*p & 0xff0000) >> 16] |	1339	*p = lookup_r[(*p & mask_r) >> sh_r] |
1575	lookup_g[(*p & 0x00ff00) >> 8] |	1340	lookup_g[(*p & mask_g) >> sh_g] |
1576	lookup_b[(*p & 0x0000ff)] |	1341	lookup_b[(*p & mask_b) >> sh_b];
1577	(*p & 0xff000000);	1342	p++;
1578	}	1343	}
1579	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1344	line += ximage->bytes_per_line;
1580	}	1345	}
1581	}	1346	}
1582	else	1347	else
1583	{	1348	{
1584	for (int y = 0; y < ximage->height; y++)	1349	for (int y = 0; y < ximage->height; y++)
…		…
1592	}	1357	}
1593	}	1358	}
1594		1359
1595	free (lookup);	1360	free (lookup);
1596	}	1361	}
1597	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1362	#endif /* ENABLE_TRANSPARENCY */

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