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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.152 by sf-exg, Sun May 8 21:03:03 2011 UTC vs.
Revision 1.227 by sf-exg, Thu May 31 14:02:17 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
37	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
68	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
69	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif	66	# endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80		67
81	if (bg_pixmap)	68	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
83	}	70	}
84		71
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	91	return true;
105	# endif	92	# endif
106		93
107	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
109	{	96	{
110	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
111	return true;	100	return true;
112	}	101	}
113	# endif	102	# endif
114		103
115	return false;	104	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	112	return true;
124	# endif	113	# endif
125		114
126	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
128	{	117	{
129	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
130	return true;	119	return true;
131	}	120	}
132	# endif	121	# endif
133		122
134	return false;	123	return false;
135	}	124	}
136		125
137	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	127	static inline int
173	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
174	{	129	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
179	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	132	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	134	else
183	return ((align + 100) * smaller / 100) - image_size;	135	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	136	}
186		137
187	static inline int	138	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	140	{
…		…
195	src_pos = -pos;	146	src_pos = -pos;
196	dst_pos = 0;	147	dst_pos = 0;
197	dst_size += pos;	148	dst_size += pos;
198	}	149	}
199		150
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	152	return src_pos;
203	}	153	}
204		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
205	bool	190	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
207	{	192	{
208	bool changed = false;	193	bool changed = false;
209	int geom_flags = 0;	194	int geom_flags = 0;
210	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
211	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
212	unsigned int n;	198	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	199	uint8_t new_flags = 0;
214	const char *ops;
215		200
216	if (geom == NULL)	201	if (geom == NULL)
217	return false;	202	return false;
218		203
219	char str[256];	204	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{
236	/* we have geometry string - let's handle it prior to applying ops */
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
238	} /* done parsing geometry string */
239
240	if (!update)
241	{
242	if (!(geom_flags & XValue))
243	x = y = defaultAlign;
244	else if (!(geom_flags & YValue))
245	y = x;
246
247	if (!(geom_flags & (WidthValue|HeightValue)))
248	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))
250	h = w;
251	else if (!(geom_flags & WidthValue))
252	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}	205	{
256
257	if (ops)
258	{
259	char **arr = rxvt_strsplit (':', ops + 1);	206	char **arr = rxvt_strsplit (':', geom);
260		207
261	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
262	{	209	{
263	if (!strcasecmp (arr[i], "tile"))	210	if (!strncasecmp (arr[i], "style=", 6))
264	{	211	{
		212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		213	geom_flags = WidthValue|HeightValue|XValue|YValue;
		214	}
		215	else if (!strcasecmp (arr[i], "op=tile"))
		216	new_flags |= IM_TILE;
		217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		218	new_flags |= IM_KEEP_ASPECT;
		219	else if (!strcasecmp (arr[i], "op=root-align"))
		220	new_flags |= IM_ROOT_ALIGN;
		221
		222	// deprecated
		223	else if (!strcasecmp (arr[i], "tile"))
		224	{
		225	new_flags |= IM_TILE;
265	w = h = noScale;	226	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
267	}	228	}
268	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
269	{	230	{
270	new_flags |= BG_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
271	}	234	}
272	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
273	{	236	{
		237	new_flags |= IM_TILE;
274	if (w == 0) w = windowScale;	238	w = windowScale;
275
276	h = noScale;	239	h = noScale;
277	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
278	}	241	}
279	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
280	{	243	{
		244	new_flags |= IM_TILE;
281	if (h == 0) h = windowScale;	245	h = windowScale;
282
283	w = noScale;	246	w = noScale;
284	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
285	}	248	}
286	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
287	{	250	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;	251	w = h = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
292	}	253	}
293	else if (!strcasecmp (arr[i], "auto"))	254	else if (!strcasecmp (arr[i], "auto"))
294	{	255	{
295	w = h = windowScale;	256	w = h = windowScale;
296	x = y = centerAlign;	257	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}	259	}
299	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
300	{	261	{
301	new_flags |= BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
302	w = h = noScale;	263	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
304	}	265	}
		266
		267	else
		268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
305	} /* done parsing ops */	269	} /* done parsing ops */
306		270
307	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
308	}	272	}
309		273
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314		275
315	if (new_flags != bg_flags)	276	if (!update)
		277	{
		278	if (!(geom_flags & XValue))
		279	x = y = defaultAlign;
		280	else if (!(geom_flags & YValue))
		281	y = x;
		282
		283	if (!(geom_flags & (WidthValue|HeightValue)))
		284	w = h = defaultScale;
		285	else if (!(geom_flags & HeightValue))
		286	h = w;
		287	else if (!(geom_flags & WidthValue))
		288	w = h;
316	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
317	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
318	changed = true;	305	changed = true;
319	}	306	}
320		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
321	return changed;	313	return changed;
322	}	314	}
323		315
324	void	316	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
327	int target_width = szHint.width;	321	int target_width = szHint.width;
328	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		325
330	if (bg_flags & BG_PROP_SCALE)	326	w = h_scale * target_width / 100;
		327	h = v_scale * target_height / 100;
		328
		329	if (image.flags & IM_KEEP_ASPECT)
331	{	330	{
332	float scale = (float)target_width / image_width;	331	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	332	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
336	}	335	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		336
343	if (!w) w = image_width;	337	if (!w) w = image_width;
344	if (!h) h = image_height;	338	if (!h) h = image_height;
345		339
346	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
347	{	341	{
348	x = -target_x;	342	x = -target_x;
349	y = -target_y;	343	y = -target_y;
350	}	344	}
351	else	345	else
352	{	346	{
353	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	349	}
379	ShadingInfo as_shade;	350	}
380	as_shade.shading = shade;
381		351
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	353	bool
384	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
388		366
389	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
390	}	371	{
391		372	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
393	{	376	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
396	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	384	if (format)
398	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
399	destroy_asimage (&background);	386	else
400	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
401	}	439	{
402	}	440	unsigned char *pixel = row + x * channels;
403	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
404		443
405	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
406		496
407	int target_width = szHint.width;	497	int target_width = szHint.width;
408	int target_height = szHint.height;	498	int target_height = szHint.height;
409	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
412	int x = 0;	502	int x = 0;
413	int y = 0;	503	int y = 0;
414	int w = 0;	504	int w = 0;
415	int h = 0;	505	int h = 0;
416		506
417	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		508
420	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	510	&& (x >= target_width
423	|| y >= target_height	511	|| y >= target_height
424	|| (x + w <= 0)	512	|| x + w <= 0
425	|| (y + h <= 0))))	513	|| y + h <= 0))
426	{	514	return false;
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		515
433	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
434	{	517
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
436	target_width, target_height, background_tint,	519	|| h != image_height)
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
445	else	540	else
446	{	541	{
447	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
448		543	// other pixbufs to render. Otherwise, the bg pixmap size must
449	if ((w != original_asim->width)	544	// be equal to the window size.
450	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
451	{	546	&& image_vec.size () == 1)
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}	547	{
457		548	new_pmap_width = min (image_width, target_width);
458	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
459	{	550	}
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		551
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None	552	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
554	{	555	{
555	if (bg_pixmap)	556	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
560	}	561	}
561	/* fill with background color (if result's not completely overlapping it) */	562
		563	tmp_pixmap = bg_pixmap;
		564	}
		565
562	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
564		568
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	569	if (gc)
566	int dst_width = result->width, dst_height = result->height;	570	{
567	if (background == NULL)	571	if (image.flags & IM_TILE)
		572	{
		573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
		574	pixbuf_to_pixmap (result, tile, gc,
		575	0, 0,
		576	0, 0,
		577	image_width, image_height, need_blend);
		578
		579	gcv.tile = tile;
		580	gcv.fill_style = FillTiled;
		581	gcv.ts_x_origin = x;
		582	gcv.ts_y_origin = y;
		583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		584
		585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		586	XFreePixmap (dpy, tile);
568	{	587	}
569	if (!(h_scale == 0 || v_scale == 0))	588	else
570	{	589	{
		590	int src_x, src_y, dst_x, dst_y;
		591	int dst_width, dst_height;
		592
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	593	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
573	}
574		595
575	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580		600
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	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);	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
		603	src_x, src_y,
		604	dst_x, dst_y,
		605	dst_width, dst_height, need_blend);
		606	}
584		607
585	if (result != background && result != original_asim)	608	if (image.need_blur ())
586	destroy_asimage (&result);	609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
		612
		613	#if XRENDER
		614	if (need_blend)
		615	{
		616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
		619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
		620
		621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		622
		623	Picture mask = create_xrender_mask (dpy, vt, False, False);
		624
		625	XRenderColor mask_c;
		626
		627	mask_c.alpha = image.alpha;
		628	mask_c.red =
		629	mask_c.green =
		630	mask_c.blue = 0;
		631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
		633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		634
		635	XRenderFreePicture (dpy, src);
		636	XRenderFreePicture (dpy, dst);
		637	XRenderFreePicture (dpy, mask);
		638	}
		639	#endif
587		640
588	XFreeGC (dpy, gc);	641	XFreeGC (dpy, gc);
589		642
590	ret = true;	643	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;
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	}
764
765	if (bg_pixmap != None)
766	{
767	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
769
770	if (gc)
771	{
772	if (h_scale == 0 || v_scale == 0)
773	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
775
776	if (tile != None)
777	{
778	pixbuf_to_pixmap (result, tile, gc,
779	0, 0,
780	0, 0,
781	image_width, image_height);
782
783	gcv.tile = tile;
784	gcv.fill_style = FillTiled;
785	gcv.ts_x_origin = x;
786	gcv.ts_y_origin = y;
787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
788
789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
790	XFreePixmap (dpy, tile);
791	}
792	}
793	else
794	{
795	int src_x, src_y, dst_x, dst_y;
796	int dst_width, dst_height;
797
798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
800
801	if (dst_x > 0 || dst_y > 0
802	|| dst_x + dst_width < new_pmap_width
803	|| dst_y + dst_height < new_pmap_height)
804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
805
806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
807	pixbuf_to_pixmap (result, bg_pixmap, gc,
808	src_x, src_y,
809	dst_x, dst_y,
810	dst_width, dst_height);
811	}
812
813	#if XRENDER
814	if (tr_flags)
815	{
816	XRenderPictureAttributes pa;
817
818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
820
821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
823
824	pa.repeat = True;
825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
828	XFreePixmap (dpy, mask_pmap);
829
830	if (src && dst && mask)
831	{
832	XRenderColor mask_c;
833
834	mask_c.alpha = 0x8000;
835	mask_c.red = 0;
836	mask_c.green = 0;
837	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840	}
841
842	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);
845	}
846	#endif
847
848	XFreeGC (dpy, gc);
849
850	ret = true;
851	}
852	}	644	}
853		645
854	if (result != pixbuf)	646	if (result != pixbuf)
855	g_object_unref (result);	647	g_object_unref (result);
856		648
857	if (tr_flags)	649	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
859		651
860	return ret;	652	return ret;
861	}	653	}
862	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
863		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
864	bool	703	bool
865	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
866	{	705	{
867	if (!file || !*file)	706	if (!file || !*file)
868	return false;	707	return false;
869		708
870	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
871	{	712	{
872	size_t len = p - file;	713	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	715	memcpy (f, file, len);
875	f[len] = '\0';	716	f[len] = '\0';
876	file = f;	717	file = f;
877	}	718	}
878		719
879	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
880	if (!asimman)	721	alpha = 0x8000;
881	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
883	if (image)	724	return ret;
884	{	725	}
885	if (original_asim)	726
886	safe_asimage_destroy (original_asim);	727	bool
887	original_asim = image;	728	rxvt_image::set_file (const char *file)
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
889	return true;	730	bool ret = false;
890	}
891	# endif
892		731
893	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	734	if (image)
896	{	735	{
897	if (pixbuf)	736	if (pixbuf)
898	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
899	pixbuf = image;	738	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	739	ret = true;
902	}	740	}
903	# endif	741	# endif
904		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
905	return false;	746	return ret;
906	}	747	}
907		748
908	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
909		750
910	# ifdef ENABLE_TRANSPARENCY
911	bool	751	bool
912	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
913	{
914	if (!(bg_flags & BG_IS_TRANSPARENT))
915	{
916	bg_flags |= BG_IS_TRANSPARENT;
917	return true;
918	}
919
920	return false;
921	}
922
923	bool
924	rxvt_term::bg_set_blur (const char *geom)
925	{	753	{
926	bool changed = false;	754	bool changed = false;
927	unsigned int hr, vr;	755	unsigned int hr, vr;
928	int junk;	756	int junk;
929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
946	{	774	{
947	changed = true;	775	changed = true;
948	v_blurRadius = vr;	776	v_blurRadius = vr;
949	}	777	}
950		778
951	if (v_blurRadius == 0 && h_blurRadius == 0)
952	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955
956	return changed;	779	return changed;
957	}	780	}
958		781
959	void
960	rxvt_term::set_tint_shade_flags ()
961	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
963	bool has_shade = shade != 100;
964
965	bg_flags &= ~BG_TINT_FLAGS;
966
967	if (bg_flags & BG_TINT_SET)
968	{
969	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;
975	}
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool	782	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
983	{	784	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
985	{	786	{
986	tint = new_tint;	787	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	788	tint_set = true;
988	set_tint_shade_flags ();	789
989	return true;	790	return true;
990	}	791	}
991		792
992	return false;	793	return false;
993	}	794	}
994		795
995	bool	796	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
997	{	798	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
999		800
1000	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	802	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1003		804
1004	if (new_shade != shade)	805	if (new_shade != shade)
1005	{	806	{
1006	shade = new_shade;	807	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	808	return true;
1009	}	809	}
1010		810
1011	return false;	811	return false;
1012	}	812	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	834	}
1035	#endif	835	#endif
1036		836
1037	bool	837	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1039	{	839	{
1040	bool ret = false;	840	bool ret = false;
1041	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		848
1046	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1048		852
		853	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1051		858
1052	if (kernel && params && src && dst)	859	if (kernel && params)
1053	{	860	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		863
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1061	PictOpSrc,	866	PictOpSrc,
1062	src,	867	src,
1063	None,	868	None,
1064	dst,	869	dst,
1065	0, 0,	870	0, 0,
1066	0, 0,	871	0, 0,
1067	0, 0,	872	0, 0,
1068	width, height);	873	width, height);
1069	}
1070		874
1071	if (v_blurRadius)	875	::swap (src, dst);
1072	{	876
1073	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1076		880
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1079	PictOpSrc,	883	PictOpSrc,
1080	src,	884	src,
1081	None,	885	None,
1082	dst,	886	dst,
1083	0, 0,	887	0, 0,
1084	0, 0,	888	0, 0,
1085	0, 0,	889	0, 0,
1086	width, height);	890	width, height);
1087	}
1088		891
1089	ret = true;	892	ret = true;
1090	}	893	}
1091		894
1092	free (kernel);	895	free (kernel);
…		…
1096	#endif	899	#endif
1097	return ret;	900	return ret;
1098	}	901	}
1099		902
1100	bool	903	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1102	{	905	{
1103	bool ret = false;	906	bool ret = false;
1104		907
1105	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1106	{	917	{
1107	XGCValues gcv;	918	XGCValues gcv;
1108	GC gc;	919	GC gc;
1109		920
1110	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	931	ret = true;
1121	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1122	}	933	}
1123	}	934	}
1124	else
1125	{
1126	# if XRENDER	935	# if XRENDER
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1128		937	{
1129	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);
1131
1132	if (shade <= 100)	938	if (shade <= 100)
1133	{	939	{
1134	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1135	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1136	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1140	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1143	}	949	}
1144		950
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		953
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		955
1151	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		957
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156		959
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161
1162	if (mask_pic && overlay_pic && back_pic)
1163	{
1164	XRenderColor mask_c;	960	XRenderColor mask_c;
1165		961
1166	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
		963	mask_c.red =
		964	mask_c.green =
		965	mask_c.blue = 0;
		966	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		967
		968	mask_c.alpha = 0;
		969	mask_c.red = 0xffff - c.r;
		970	mask_c.green = 0xffff - c.g;
		971	mask_c.blue = 0xffff - c.b;
		972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
		974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		975
		976	if (shade > 100)
		977	{
		978	mask_c.alpha = 0;
1167	mask_c.red =	979	mask_c.red =
1168	mask_c.green =	980	mask_c.green =
1169	mask_c.blue = 0;	981	mask_c.blue = 0xffff * (shade - 100) / 100;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171		983
1172	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178
1179	if (shade > 100)
1180	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}	985	}
1187		986
1188	ret = true;	987	ret = true;
1189	}
1190		988
1191	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1192	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1193	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1194	# endif	993	# endif
1195	}
1196		994
1197	return ret;	995	return ret;
1198	}	996	}
1199		997
		998	# ifdef ENABLE_TRANSPARENCY
1200	/*	999	/*
1201	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1202	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1203	* our window.	1002	* our window.
1204	*/	1003	*/
1205	unsigned long	1004	bool
1206	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1207	{	1006	{
1208	unsigned long result = 0;	1007	bool ret = false;
1209		1008
1210	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1211	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1212	*/	1011	*/
1213	int screen = display->screen;	1012	int screen = display->screen;
…		…
1251	#if XRENDER	1050	#if XRENDER
1252	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1253	{	1052	{
1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1255		1054
1256	if (recoded_root_pmap != None)
1257	{
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		1057
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		1060
1266	if (src && dst)
1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1268	else
1269	{
1270	XFreePixmap (dpy, recoded_root_pmap);
1271	recoded_root_pmap = None;
1272	}
1273		1062
1274	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1275	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
1276	}
1277	}	1065	}
1278	else	1066	else
1279	#endif	1067	#endif
1280	recoded_root_pmap = None;	1068	recoded_root_pmap = None;
1281	}	1069	}
…		…
1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1080	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1293	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1294	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1295	}	1083	}
1296		1084
1297	if (bg_pixmap != None)
1298	{
1299	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1300	while (sx < 0) sx += (int)root_width;	1086	while (sx < 0) sx += root_pmap_width;
1301	while (sy < 0) sy += (int)root_height;	1087	while (sy < 0) sy += root_pmap_height;
1302		1088
1303	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1304	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1305	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1306	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1308		1094
1309	if (gc)	1095	if (gc)
1310	{	1096	{
1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
1313	XFreeGC (dpy, gc);	1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1314		1101
1315	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
		1107	}
		1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
1316	{	1118	{
1317	if ((bg_flags & BG_NEEDS_BLUR)	1119	/* our own client-side tinting */
1318	&& (bg_flags & BG_HAS_RENDER_CONV))	1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
1319	{	1121
1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	result &= ~BG_NEEDS_BLUR;	1123	XDestroyImage (ximage);
1322	}	1124	}
1323	if ((bg_flags & BG_NEEDS_TINT)
1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1325	{
1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_TINT;
1328	}
1329	} /* server side rendering completed */
1330	}	1125	}
		1126
		1127	XFreeGC (dpy, gc);
1331	}	1128	}
1332		1129
1333	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1334	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1335		1132
1336	return result;	1133	return ret;
1337	}	1134	}
1338		1135
1339	void	1136	void
1340	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1341	{	1138	{
…		…
1345		1142
1346	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1347	}	1144	}
1348	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1349		1146
1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1352	# endif
1353
1354	bool	1147	bool
1355	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1356	{	1149	{
1357	unsigned long tr_flags = 0;
1358
1359	bg_invalidate ();	1150	bg_invalidate ();
1360	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1361	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1362	{	1153	{
1363	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1364	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1365	if (tr_flags == 0)
1366	return false;
1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1368	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1369	}	1157	}
1370	# endif	1158	# endif
1371		1159
1372	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1373	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1375	{	1162	{
1376	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1377	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1378	}
1379	# endif
1380
1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1382	XImage *result = NULL;
1383
1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
1385	{
1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1387	}
1388
1389	if (result)
1390	{
1391	/* our own client-side tinting */
1392	if (tr_flags & BG_NEEDS_TINT)
1393	{
1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1395	if (bg_flags & BG_TINT_SET)
1396	tint.get (c);
1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1398	}
1399
1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1401
1402	if (gc)
1403	{
1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1405
1406	XFreeGC (dpy, gc);
1407	bg_flags |= BG_IS_VALID;
1408	}
1409
1410	XDestroyImage (result);
1411	}	1165	}
1412	# endif	1166	# endif
1413		1167
1414	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1415	{	1169	{
…		…
1429	}	1183	}
1430		1184
1431	void	1185	void
1432	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1433	{	1187	{
1434	#ifdef ENABLE_TRANSPARENCY
1435	shade = 100;
1436	#endif
1437
1438	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1439	#if XRENDER	1189	#if XRENDER
1440	int major, minor;	1190	int major, minor;
1441	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1442	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1448	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1449		1199
1450	XFree (filters);	1200	XFree (filters);
1451	}	1201	}
1452	#endif	1202	#endif
1453	}
1454		1203
1455	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1456		1211
1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
		1226	}
		1227	# endif
		1228
		1229	if (image_vec.size () > 0
		1230	&& !bg_window_position_sensitive ())
		1231	update_background ();
		1232	#endif
		1233	}
		1234
1458	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1459		1236
1460	static void	1237	static inline void
1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1462	{	1239	{
		1240	for (int i = 0; i <= mask >> sh; i++)
		1241	{
		1242	uint32_t tmp;
		1243	tmp = i * high;
		1244	tmp += (mask >> sh) * low;
		1245	lookup[i] = (tmp / 0xffff) << sh;
		1246	}
		1247	}
		1248
		1249	void
		1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1251	{
		1252	unsigned int size_r, size_g, size_b;
1463	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1464	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1466	rgba low;	1256	unsigned short low;
1467	rgba high;
1468	int i;
1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1470		1258
1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1472		1260
1473	/* for convenience */	1261	/* for convenience */
1474	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1475	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1476	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1477		1265
1478	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1479	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1480	{	1268	sh_g = ecb_ctz32 (mask_g);
1481	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1482	if ((mask_r != 0x7c00) ||	1270
1483	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1484	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1485	return;	1276	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1277
		1278	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1487	lookup_r = lookup;	1279	lookup_r = lookup;
1488	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1489	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1490	sh_r = 10;	1282
1491	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1492	sh_b = 0;	1284
1493	break;	1285	if (tint_set)
1494	case 16:	1286	tint.get (c);
1495	if ((mask_r != 0xf800) ||
1496	(mask_g != 0x07e0) ||
1497	(mask_b != 0x001f))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1500	lookup_r = lookup;
1501	lookup_g = lookup+32;
1502	lookup_b = lookup+32+64;
1503	sh_r = 11;
1504	sh_g = 5;
1505	sh_b = 0;
1506	break;
1507	case 24:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	case 32:
1521	if ((mask_r != 0xff0000) ||
1522	(mask_g != 0x00ff00) ||
1523	(mask_b != 0x0000ff))
1524	return;
1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1526	lookup_r = lookup;
1527	lookup_g = lookup+256;
1528	lookup_b = lookup+256+256;
1529	sh_r = 16;
1530	sh_g = 8;
1531	sh_b = 0;
1532	break;
1533	default:
1534	return; /* we do not support this color depth */
1535	}
1536		1287
1537	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1538	if (shade > 100)	1289	if (shade > 100)
1539	{	1290	{
1540	shade = 200 - shade;
1541
1542	high.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;
1545
1546	low.r = 65535 * (100 - shade) / 100;	1291	c.r = c.r * (200 - shade) / 100;
1547	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1548	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1549	}	1296	}
1550	else	1297	else
1551	{	1298	{
1552	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1553	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1554	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1555		1302
1556	low.r = low.g = low.b = 0;	1303	low = 0;
1557	}	1304	}
1558		1305
1559	/* fill our lookup tables */	1306	/* fill our lookup tables */
1560	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1561	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1562	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1563	tmp = i * high.r;
1564	tmp += (mask_r>>sh_r) * low.r;
1565	lookup_r[i] = (tmp/65535)<<sh_r;
1566	}
1567	for (i = 0; i <= mask_g>>sh_g; i++)
1568	{
1569	uint32_t tmp;
1570	tmp = i * high.g;
1571	tmp += (mask_g>>sh_g) * low.g;
1572	lookup_g[i] = (tmp/65535)<<sh_g;
1573	}
1574	for (i = 0; i <= mask_b>>sh_b; i++)
1575	{
1576	uint32_t tmp;
1577	tmp = i * high.b;
1578	tmp += (mask_b>>sh_b) * low.b;
1579	lookup_b[i] = (tmp/65535)<<sh_b;
1580	}
1581		1310
1582	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1583	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1584	&& (ximage->depth == 24 || ximage->depth == 32)
1585	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1586	{	1314	{
1587	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1588	p1 = (uint32_t *) ximage->data;
1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1590		1316
1591	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1592	{	1318	{
1593	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1594	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1595	for (; p < pl; p++)
1596	{	1321	{
1597	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1598	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1599	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1600	(*p & 0xff000000);	1325	p++;
1601	}	1326	}
1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1603	}	1328	}
1604	}	1329	}
1605	else	1330	else
1606	{	1331	{
1607	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1615	}	1340	}
1616	}	1341	}
1617		1342
1618	free (lookup);	1343	free (lookup);
1619	}	1344	}
1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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