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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.180 by sf-exg, Sat Dec 24 09:44:23 2011 UTC vs.
Revision 1.226 by sf-exg, Thu May 31 05:53:46 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	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#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
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	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++)
83	{	96	{
84	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)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	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++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	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)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		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
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		275
289	if (!update)	276	if (!update)
290	{	277	{
291	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	284	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
299	h = w;	286	h = w;
300	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
301	w = h;	288	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	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	{
313	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
314	changed = true;	305	changed = true;
315	}	306	}
316		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
317	return changed;	313	return changed;
318	}	314	}
319		315
320	void	316	void
321	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)
322	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
323	int target_width = szHint.width;	321	int target_width = szHint.width;
324	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);
325		325
326	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
328		328
329	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
330	{	330	{
331	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
335	}	335	}
336		336
337	if (!w) w = image_width;	337	if (!w) w = image_width;
338	if (!h) h = image_height;	338	if (!h) h = image_height;
339		339
340	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
341	{	341	{
342	x = -target_x;	342	x = -target_x;
343	y = -target_y;	343	y = -target_y;
344	}	344	}
345	else	345	else
346	{	346	{
347	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	349	}
374	ShadingInfo as_shade;	350	}
375	as_shade.shading = shade;
376		351
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	353	bool
379	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
383		366
384	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
385	}	371	{
386		372	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
388	{	376	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
390	ASA_XImage,	378	{
391	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		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++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
393	{	445	{
394	destroy_asimage (&background);	446	a = pixel[3];
395	background = tmp;	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);
396	}	468	}
397	}
398	# endif
399		469
400	ASImage *result = 0;	470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
401		496
402	int target_width = szHint.width;	497	int target_width = szHint.width;
403	int target_height = szHint.height;	498	int target_height = szHint.height;
404	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
407	int x = 0;	502	int x = 0;
408	int y = 0;	503	int y = 0;
409	int w = 0;	504	int w = 0;
410	int h = 0;	505	int h = 0;
411		506
412	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		508
415	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	510	&& (x >= target_width
418	|| y >= target_height	511	|| y >= target_height
419	|| x + w <= 0	512	|| x + w <= 0
420	|| y + h <= 0)))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
421	{	524	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		525
428	if (background_tint != TINT_LEAVE_SAME)	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);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
429	{	547	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	550	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		551
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	552	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
549	{	555	{
550	if (bg_pixmap)	556	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
555	}	561	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		562
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	564	}
759		565
760	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		568
763	if (gc)	569	if (gc)
764	{	570	{
765	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
766	{	572	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	575	0, 0,
770	0, 0,	576	0, 0,
771	image_width, image_height);	577	image_width, image_height, need_blend);
772		578
773	gcv.tile = tile;	579	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		584
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
781	}	587	}
782	else	588	else
783	{	589	{
784	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		595
790	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		600
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	603	src_x, src_y,
798	dst_x, dst_y,	604	dst_x, dst_y,
799	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
800	}	606	}
801		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
		612
802	#if XRENDER	613	#if XRENDER
803	if (tr_flags)	614	if (need_blend)
804	{	615	{
805	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		620
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		622
813	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		624
819	XRenderColor mask_c;	625	XRenderColor mask_c;
820		626
821	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
822	mask_c.red = 0;	628	mask_c.red =
823	mask_c.green = 0;	629	mask_c.green =
824	mask_c.blue = 0;	630	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		634
828	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
837	}	644	}
838		645
839	if (result != pixbuf)	646	if (result != pixbuf)
840	g_object_unref (result);	647	g_object_unref (result);
841		648
842	if (tr_flags)	649	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
844		651
845	return ret;	652	return ret;
846	}	653	}
847	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
848		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
849	bool	703	bool
850	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
851	{	705	{
852	if (!file || !*file)	706	if (!file || !*file)
853	return false;	707	return false;
854		708
855	bool ret = false;
856	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
857		710
858	if (p)	711	if (p)
859	{	712	{
860	size_t len = p - file;	713	size_t len = p - file;
…		…
862	memcpy (f, file, len);	715	memcpy (f, file, len);
863	f[len] = '\0';	716	f[len] = '\0';
864	file = f;	717	file = f;
865	}	718	}
866		719
867	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
868	if (!asimman)	721	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
871	if (image)	724	return ret;
872	{	725	}
873	if (original_asim)	726
874	safe_asimage_destroy (original_asim);	727	bool
875	original_asim = image;	728	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
877	ret = true;	730	bool ret = false;
878	}
879	# endif
880		731
881	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	734	if (image)
884	{	735	{
885	if (pixbuf)	736	if (pixbuf)
886	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
887	pixbuf = image;	738	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	739	ret = true;
890	}	740	}
891	# endif	741	# endif
892		742
893	if (ret)	743	if (ret)
894	{	744	flags |= IM_IS_SET;
895	if (p)
896	bg_set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}
900		745
901	return ret;	746	return ret;
902	}	747	}
903		748
904	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
905		750
906	# ifdef ENABLE_TRANSPARENCY
907	bool	751	bool
908	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool
920	rxvt_term::bg_set_blur (const char *geom)
921	{	753	{
922	bool changed = false;	754	bool changed = false;
923	unsigned int hr, vr;	755	unsigned int hr, vr;
924	int junk;	756	int junk;
925	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
942	{	774	{
943	changed = true;	775	changed = true;
944	v_blurRadius = vr;	776	v_blurRadius = vr;
945	}	777	}
946		778
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	779	return changed;
953	}	780	}
954		781
955	void
956	rxvt_term::set_tint_shade_flags ()
957	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;
971	}
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool	782	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
979	{	784	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
981	{	786	{
982	tint = new_tint;	787	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	788	tint_set = true;
984	set_tint_shade_flags ();	789
985	return true;	790	return true;
986	}	791	}
987		792
988	return false;	793	return false;
989	}	794	}
990		795
991	bool	796	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
993	{	798	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
995		800
996	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	802	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
999		804
1000	if (new_shade != shade)	805	if (new_shade != shade)
1001	{	806	{
1002	shade = new_shade;	807	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	808	return true;
1005	}	809	}
1006		810
1007	return false;	811	return false;
1008	}	812	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	834	}
1031	#endif	835	#endif
1032		836
1033	bool	837	bool
1034	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)
1035	{	839	{
1036	bool ret = false;	840	bool ret = false;
1037	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1038	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1039	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1040	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1041		848
1042	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1043	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1044		852
		853	pa.repeat = RepeatPad;
1045	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);
1046	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1047		858
1048	if (kernel && params)	859	if (kernel && params)
1049	{	860	{
1050	if (h_blurRadius)
1051	{
1052	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1053	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1054		863
1055	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1056	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1057	PictOpSrc,	866	PictOpSrc,
1058	src,	867	src,
1059	None,	868	None,
1060	dst,	869	dst,
1061	0, 0,	870	0, 0,
1062	0, 0,	871	0, 0,
1063	0, 0,	872	0, 0,
1064	width, height);	873	width, height);
1065	}
1066		874
1067	if (v_blurRadius)	875	::swap (src, dst);
1068	{	876
1069	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1070	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1071	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1072		880
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1075	PictOpSrc,	883	PictOpSrc,
1076	src,	884	src,
1077	None,	885	None,
1078	dst,	886	dst,
1079	0, 0,	887	0, 0,
1080	0, 0,	888	0, 0,
1081	0, 0,	889	0, 0,
1082	width, height);	890	width, height);
1083	}
1084		891
1085	ret = true;	892	ret = true;
1086	}	893	}
1087		894
1088	free (kernel);	895	free (kernel);
…		…
1092	#endif	899	#endif
1093	return ret;	900	return ret;
1094	}	901	}
1095		902
1096	bool	903	bool
1097	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)
1098	{	905	{
1099	bool ret = false;	906	bool ret = false;
1100		907
1101	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))
1102	{	917	{
1103	XGCValues gcv;	918	XGCValues gcv;
1104	GC gc;	919	GC gc;
1105		920
1106	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1115	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1116	ret = true;	931	ret = true;
1117	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1118	}	933	}
1119	}	934	}
1120	else
1121	{
1122	# if XRENDER	935	# if XRENDER
1123	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1124		937	{
1125	if (bg_flags & BG_TINT_SET)
1126	tint.get (c);
1127
1128	if (shade <= 100)	938	if (shade <= 100)
1129	{	939	{
1130	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1131	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1132	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1136	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1137	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1138	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1139	}	949	}
1140		950
1141	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1142	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1143	XRenderPictureAttributes pa;
1144		953
1145	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1146		955
1147	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1148		957
1149	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1150	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1151	XFreePixmap (dpy, overlay_pmap);
1152
1153	pa.component_alpha = True;
1154	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1155	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1156	XFreePixmap (dpy, mask_pmap);
1157		959
1158	XRenderColor mask_c;	960	XRenderColor mask_c;
1159		961
1160	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1161	mask_c.red =	963	mask_c.red =
…		…
1166	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1167	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1168	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1169	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1170	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1171	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172		975
1173	if (shade > 100)	976	if (shade > 100)
1174	{	977	{
1175	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1176	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1177	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1178		983
1179	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);
1180	}	985	}
1181		986
1182	ret = true;	987	ret = true;
1183		988
1184	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1185	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1186	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1187	# endif	993	# endif
1188	}
1189		994
1190	return ret;	995	return ret;
1191	}	996	}
1192		997
		998	# ifdef ENABLE_TRANSPARENCY
1193	/*	999	/*
1194	* 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
1195	* 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
1196	* our window.	1002	* our window.
1197	*/	1003	*/
1198	unsigned long	1004	bool
1199	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1200	{	1006	{
1201	unsigned long result = 0;	1007	bool ret = false;
1202		1008
1203	/* 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
1204	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1205	*/	1011	*/
1206	int screen = display->screen;	1012	int screen = display->screen;
…		…
1244	#if XRENDER	1050	#if XRENDER
1245	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1246	{	1052	{
1247	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);
1248		1054
1249	XRenderPictureAttributes pa;
1250
1251	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1252	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1253		1057
1254	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1255	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1256		1060
1257	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);
1258		1062
1259	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1260	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1289	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1290		1094
1291	if (gc)	1095	if (gc)
1292	{	1096	{
1293	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1294	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
1295	XFreeGC (dpy, gc);	1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1296		1101
1297	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1298	{	1103	{
1299	if ((bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1300	&& (bg_flags & BG_HAS_RENDER_CONV))
1301	{	1105	{
1302	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1303	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1304	}	1109	}
1305	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1306	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1307	{	1111	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1309	result &= ~BG_NEEDS_TINT;	1113	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1114	need_tint = false;
		1115	}
		1116	if (need_tint)
		1117	{
		1118	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1119	if (ximage)
		1120	{
		1121	/* our own client-side tinting */
		1122	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1123
		1124	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1125	XDestroyImage (ximage);
		1126	}
1310	}	1127	}
1311	} /* server side rendering completed */	1128	} /* server side rendering completed */
		1129
		1130	XFreeGC (dpy, gc);
1312	}	1131	}
1313		1132
1314	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1315	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1316		1135
1317	return result;	1136	return ret;
1318	}	1137	}
1319		1138
1320	void	1139	void
1321	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1322	{	1141	{
…		…
1326		1145
1327	root_pixmap = new_root_pixmap;	1146	root_pixmap = new_root_pixmap;
1328	}	1147	}
1329	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1330		1149
1331	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1332	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1333	# endif
1334
1335	bool	1150	bool
1336	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1337	{	1152	{
1338	unsigned long tr_flags = 0;
1339
1340	bg_invalidate ();	1153	bg_invalidate ();
1341	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1342	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1343	{	1156	{
1344	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1345	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1346	if (tr_flags == 0)
1347	return false;
1348	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1349	}	1160	}
1350	# endif	1161	# endif
1351		1162
1352	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1353	if ((bg_flags & BG_IS_FROM_FILE)	1164	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1354	|| (tr_flags & BG_EFFECTS_FLAGS))
1355	{	1165	{
1356	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1357	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1358	}
1359	# endif
1360
1361	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1362	XImage *result = NULL;
1363
1364	if (tr_flags & BG_NEEDS_TINT)
1365	{
1366	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1367	}
1368
1369	if (result)
1370	{
1371	/* our own client-side tinting */
1372	//if (tr_flags & BG_NEEDS_TINT)
1373	if (1)
1374	{
1375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1376	if (bg_flags & BG_TINT_SET)
1377	tint.get (c);
1378	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1379	}
1380
1381	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1382
1383	if (gc)
1384	{
1385	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1386
1387	XFreeGC (dpy, gc);
1388	}
1389
1390	XDestroyImage (result);
1391	}	1168	}
1392	# endif	1169	# endif
1393		1170
1394	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
1395	{	1172	{
…		…
1409	}	1186	}
1410		1187
1411	void	1188	void
1412	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1413	{	1190	{
1414	#ifdef ENABLE_TRANSPARENCY
1415	shade = 100;
1416	#endif
1417
1418	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1419	#if XRENDER	1192	#if XRENDER
1420	int major, minor;	1193	int major, minor;
1421	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1422	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1428	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1429		1202
1430	XFree (filters);	1203	XFree (filters);
1431	}	1204	}
1432	#endif	1205	#endif
1433	}
1434		1206
1435	#endif /* HAVE_BG_PIXMAP */	1207	#ifdef BG_IMAGE_FROM_FILE
		1208	if (rs[Rs_backgroundPixmap])
		1209	{
		1210	rxvt_image *image = new_image ();
		1211	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1212	image_vec.pop_back ();
		1213	}
1436		1214
1437	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1215	# ifndef NO_RESOURCES
		1216	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1217	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1218	while (bg_image != image_vec.end ())
		1219	{
		1220	if (!(bg_image->flags & IM_IS_SET))
		1221	bg_image = image_vec.erase (bg_image);
		1222	else
		1223	{
		1224	if (bg_image->is_size_sensitive ())
		1225	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1226
		1227	bg_image++;
		1228	}
		1229	}
		1230	# endif
		1231
		1232	if (image_vec.size () > 0
		1233	&& !bg_window_position_sensitive ())
		1234	update_background ();
		1235	#endif
		1236	}
		1237
1438	/* based on code from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1439		1239
1440	static inline void	1240	static inline void
1441	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1442	{	1242	{
…		…
1447	tmp += (mask >> sh) * low;	1247	tmp += (mask >> sh) * low;
1448	lookup[i] = (tmp / 0xffff) << sh;	1248	lookup[i] = (tmp / 0xffff) << sh;
1449	}	1249	}
1450	}	1250	}
1451		1251
1452	static void	1252	void
1453	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1454	{	1254	{
		1255	unsigned int size_r, size_g, size_b;
1455	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1456	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1457	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1458	unsigned short low;	1259	unsigned short low;
1459	rgba high;
1460	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1461		1261
1462	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1262	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1463		1263
1464	/* for convenience */	1264	/* for convenience */
1465	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1466	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1467	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1468		1268
1469	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1470	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1471	{	1271	sh_g = ecb_ctz32 (mask_g);
1472	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1473	if ((mask_r != 0x7c00) ||	1273
1474	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1475	(mask_b != 0x001f))	1275	size_g = mask_g >> sh_g;
		1276	size_b = mask_b >> sh_b;
		1277
		1278	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1476	return;	1279	return;
1477	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1280
		1281	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1478	lookup_r = lookup;	1282	lookup_r = lookup;
1479	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1480	lookup_b = lookup+32+32;	1284	lookup_b = lookup + size_r + size_g;
1481	sh_r = 10;	1285
1482	sh_g = 5;	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1483	sh_b = 0;	1287
1484	break;	1288	if (tint_set)
1485	case 16:	1289	tint.get (c);
1486	if ((mask_r != 0xf800) ||
1487	(mask_g != 0x07e0) ||
1488	(mask_b != 0x001f))
1489	return;
1490	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1491	lookup_r = lookup;
1492	lookup_g = lookup+32;
1493	lookup_b = lookup+32+64;
1494	sh_r = 11;
1495	sh_g = 5;
1496	sh_b = 0;
1497	break;
1498	case 24:
1499	if ((mask_r != 0xff0000) ||
1500	(mask_g != 0x00ff00) ||
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	case 32:
1512	if ((mask_r != 0xff0000) ||
1513	(mask_g != 0x00ff00) ||
1514	(mask_b != 0x0000ff))
1515	return;
1516	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1517	lookup_r = lookup;
1518	lookup_g = lookup+256;
1519	lookup_b = lookup+256+256;
1520	sh_r = 16;
1521	sh_g = 8;
1522	sh_b = 0;
1523	break;
1524	default:
1525	return; /* we do not support this color depth */
1526	}
1527		1290
1528	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1529	if (shade > 100)	1292	if (shade > 100)
1530	{	1293	{
1531	shade = 200 - shade;	1294	c.r = c.r * (200 - shade) / 100;
		1295	c.g = c.g * (200 - shade) / 100;
		1296	c.b = c.b * (200 - shade) / 100;
1532		1297
1533	high.r = c.r * shade / 100;
1534	high.g = c.g * shade / 100;
1535	high.b = c.b * shade / 100;
1536
1537	low = 0xffff * (100 - shade) / 100;	1298	low = 0xffff * (shade - 100) / 100;
1538	}	1299	}
1539	else	1300	else
1540	{	1301	{
1541	high.r = c.r * shade / 100;	1302	c.r = c.r * shade / 100;
1542	high.g = c.g * shade / 100;	1303	c.g = c.g * shade / 100;
1543	high.b = c.b * shade / 100;	1304	c.b = c.b * shade / 100;
1544		1305
1545	low = 0;	1306	low = 0;
1546	}	1307	}
1547		1308
1548	/* fill our lookup tables */	1309	/* fill our lookup tables */
1549	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1310	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1550	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1551	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1552		1313
1553	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1554	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1555	&& (ximage->depth == 24 || ximage->depth == 32)
1556	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1557	{	1317	{
1558	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1559	p1 = (uint32_t *) ximage->data;
1560	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1561		1319
1562	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1563	{	1321	{
1564	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1565	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1566	for (; p < pl; p++)
1567	{	1324	{
1568	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1569	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1570	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1571	(*p & 0xff000000);	1328	p++;
1572	}	1329	}
1573	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1574	}	1331	}
1575	}	1332	}
1576	else	1333	else
1577	{	1334	{
1578	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1586	}	1343	}
1587	}	1344	}
1588		1345
1589	free (lookup);	1346	free (lookup);
1590	}	1347	}
1591	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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