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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.165 by sf-exg, Mon Aug 15 09:25:56 2011 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 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_PROP_SCALE;
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=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	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_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
247	}	234	}
248	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
249	{	236	{
250	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
251	w = windowScale;	238	w = windowScale;
252	h = noScale;	239	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
254	}	241	}
255	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
256	{	243	{
257	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
258	h = windowScale;	245	h = windowScale;
259	w = noScale;	246	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
261	}	248	}
262	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	257	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	259	}
273	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
274	{	261	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	263	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
278	}	265	}
279		266
280	else	267	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	269	} /* done parsing ops */
283		270
284	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
285	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		275
287	if (!update)	276	if (!update)
288	{	277	{
289	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	284	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
297	h = w;	286	h = w;
298	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
299	w = h;	288	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{	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	{
311	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
312	changed = true;	305	changed = true;
313	}	306	}
314		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
315	return changed;	313	return changed;
316	}	314	}
317		315
318	void	316	void
319	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)
320	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
321	int target_width = szHint.width;	321	int target_width = szHint.width;
322	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);
323		325
324	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
326		328
327	if (bg_flags & BG_PROP_SCALE)	329	if (image.flags & IM_KEEP_ASPECT)
328	{	330	{
329	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
333	}	335	}
334		336
335	if (!w) w = image_width;	337	if (!w) w = image_width;
336	if (!h) h = image_height;	338	if (!h) h = image_height;
337		339
338	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
339	{	341	{
340	x = -target_x;	342	x = -target_x;
341	y = -target_y;	343	y = -target_y;
342	}	344	}
343	else	345	else
344	{	346	{
345	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
347	}
348
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{	349	}
372	ShadingInfo as_shade;	350	}
373	as_shade.shading = shade;
374		351
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	353	bool
377	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
380	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;
381		366
382	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
383	}	371	{
384		372	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
386	{	376	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
388	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	378	{
389	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);
390	if (tmp)	384	if (format)
391	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
392	destroy_asimage (&background);	386	else
393	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++)
394	}	439	{
395	}	440	unsigned char *pixel = row + x * channels;
396	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
397		443
398	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);
399		496
400	int target_width = szHint.width;	497	int target_width = szHint.width;
401	int target_height = szHint.height;	498	int target_height = szHint.height;
402	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
405	int x = 0;	502	int x = 0;
406	int y = 0;	503	int y = 0;
407	int w = 0;	504	int w = 0;
408	int h = 0;	505	int h = 0;
409		506
410	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		508
413	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	510	&& (x >= target_width
416	|| y >= target_height	511	|| y >= target_height
417	|| (x + w <= 0)	512	|| x + w <= 0
418	|| (y + h <= 0))))	513	|| y + h <= 0))
419	{	514	return false;
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		515
426	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
427	{	517
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
429	target_width, target_height, background_tint,	519	|| h != image_height)
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}	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);
438	else	540	else
439	{	541	{
440	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
441		543	// other pixbufs to render. Otherwise, the bg pixmap size must
442	if ((w != original_asim->width)	544	// be equal to the window size.
443	|| (h != original_asim->height))	545	if ((image.flags & IM_TILE)
444	{	546	&& image_vec.size () == 1)
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	background ? ASA_ASImage : ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}	547	{
450		548	new_pmap_width = min (image_width, target_width);
451	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
452	{	550	}
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459		551
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None	552	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
547	{	555	{
548	if (bg_pixmap)	556	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
550	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);
551	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
553	}	561	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557		562
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 || dst_y > 0
569	|| dst_x + dst_width < new_pmap_width
570	|| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}
591	# endif /* HAVE_AFTERIMAGE */
592
593	# ifdef HAVE_PIXBUF
594	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	int src_x, int src_y, int dst_x, int dst_y,
597	unsigned int width, unsigned int height)
598	{
599	XImage *ximage;
600	char *data, *line;
601	int bytes_per_pixel;
602	int width_r, width_g, width_b;
603	int sh_r, sh_g, sh_b;
604	int rowstride;
605	int channels;
606	unsigned char *row;
607
608	if (visual->c_class != TrueColor)
609	return false;
610
611	if (depth == 24 || depth == 32)
612	bytes_per_pixel = 4;
613	else if (depth == 15 || depth == 16)
614	bytes_per_pixel = 2;
615	else
616	return false;
617
618	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);
621
622	if (width_r > 8 || width_g > 8 || width_b > 8)
623	return false;
624
625	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);
628
629	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;
631
632	data = (char *)malloc (width * height * bytes_per_pixel);
633	if (!data)
634	return false;
635
636	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
637	width, height, bytes_per_pixel * 8, 0);
638	if (!ximage)
639	{
640	free (data);
641	return false;
642	}
643
644	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
645
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
649	line = data;
650
651	for (int y = 0; y < height; y++)
652	{
653	for (int x = 0; x < width; x++)
654	{
655	unsigned char *pixel = row + x * channels;
656	uint32_t value;
657
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)
659	| ((pixel[1] >> (8 - width_g)) << sh_g)
660	| ((pixel[2] >> (8 - width_b)) << sh_b);
661
662	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;
664	else
665	((uint16_t *)line)[x] = value;
666	}
667
668	row += rowstride;
669	line += ximage->bytes_per_line;
670	}
671
672	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
673	XDestroyImage (ximage);
674	return true;
675	}
676
677	bool
678	rxvt_term::render_image (unsigned long tr_flags)
679	{
680	if (!pixbuf)
681	return false;
682
683	if (tr_flags
684	&& !(bg_flags & BG_HAS_RENDER))
685	return false;
686
687	GdkPixbuf *result;
688
689	int image_width = gdk_pixbuf_get_width (pixbuf);
690	int image_height = gdk_pixbuf_get_height (pixbuf);
691
692	int target_width = szHint.width;
693	int target_height = szHint.height;
694	int new_pmap_width = target_width;
695	int new_pmap_height = target_height;
696
697	int x = 0;
698	int y = 0;
699	int w = 0;
700	int h = 0;
701
702	get_image_geometry (image_width, image_height, w, h, x, y);
703
704	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width
706	|| y >= target_height
707	|| (x + w <= 0)
708	|| (y + h <= 0)))
709	return false;
710
711	result = pixbuf;
712
713	if ((w != image_width)
714	|| (h != image_height))
715	{
716	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,
718	GDK_INTERP_BILINEAR);
719	}
720
721	if (!result)
722	return false;
723
724	bool ret = false;
725
726	XGCValues gcv;
727	GC gc;
728	Pixmap root_pmap;
729
730	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);
732
733	if (tr_flags)
734	{
735	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;
737	}
738	else
739	{
740	if (bg_flags & BG_TILE)
741	{
742	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);
744	}
745	}
746
747	if (bg_pixmap == None
748	|| bg_pmap_width != new_pmap_width
749	|| bg_pmap_height != new_pmap_height)
750	{
751	if (bg_pixmap)
752	XFreePixmap (dpy, bg_pixmap);
753	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
754	bg_pmap_width = new_pmap_width;
755	bg_pmap_height = new_pmap_height;
756	}	564	}
757		565
758	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		568
761	if (gc)	569	if (gc)
762	{	570	{
763	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
764	{	572	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	575	0, 0,
768	0, 0,	576	0, 0,
769	image_width, image_height);	577	image_width, image_height, need_blend);
770		578
771	gcv.tile = tile;	579	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		584
777	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);
778	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
779	}	587	}
780	else	588	else
781	{	589	{
782	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
786	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);
787		595
788	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
791	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);
792		600
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	603	src_x, src_y,
796	dst_x, dst_y,	604	dst_x, dst_y,
797	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
798	}	606	}
		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);
799		612
800	#if XRENDER	613	#if XRENDER
801	if (tr_flags)	614	if (need_blend)
802	{	615	{
803	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		620
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		622
811	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		624
817	XRenderColor mask_c;	625	XRenderColor mask_c;
818		626
819	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
820	mask_c.red = 0;	628	mask_c.red =
821	mask_c.green = 0;	629	mask_c.green =
822	mask_c.blue = 0;	630	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
824	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);
825		634
826	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
835	}	644	}
836		645
837	if (result != pixbuf)	646	if (result != pixbuf)
838	g_object_unref (result);	647	g_object_unref (result);
839		648
840	if (tr_flags)	649	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
842		651
843	return ret;	652	return ret;
844	}	653	}
845	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
846		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
847	bool	703	bool
848	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
849	{	705	{
850	if (!file || !*file)	706	if (!file || !*file)
851	return false;	707	return false;
852		708
853	if (const char *p = strchr (file, ';'))	709	const char *p = strchr (file, ';');
		710
		711	if (p)
854	{	712	{
855	size_t len = p - file;	713	size_t len = p - file;
856	char *f = rxvt_temp_buf<char> (len + 1);	714	char *f = rxvt_temp_buf<char> (len + 1);
857	memcpy (f, file, len);	715	memcpy (f, file, len);
858	f[len] = '\0';	716	f[len] = '\0';
859	file = f;	717	file = f;
860	}	718	}
861		719
862	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
863	if (!asimman)	721	alpha = 0x8000;
864	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
865	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
866	if (image)	724	return ret;
867	{	725	}
868	if (original_asim)	726
869	safe_asimage_destroy (original_asim);	727	bool
870	original_asim = image;	728	rxvt_image::set_file (const char *file)
871	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
872	return true;	730	bool ret = false;
873	}
874	# endif
875		731
876	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
877	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
878	if (image)	734	if (image)
879	{	735	{
880	if (pixbuf)	736	if (pixbuf)
881	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
882	pixbuf = image;	738	pixbuf = image;
883	bg_flags |= BG_IS_FROM_FILE;
884	return true;	739	ret = true;
885	}	740	}
886	# endif	741	# endif
887		742
		743	if (ret)
		744	flags |= IM_IS_SET;
		745
888	return false;	746	return ret;
889	}	747	}
890		748
891	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
892		750
893	# ifdef ENABLE_TRANSPARENCY
894	bool	751	bool
895	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
896	{
897	if (!(bg_flags & BG_IS_TRANSPARENT))
898	{
899	bg_flags |= BG_IS_TRANSPARENT;
900	return true;
901	}
902
903	return false;
904	}
905
906	bool
907	rxvt_term::bg_set_blur (const char *geom)
908	{	753	{
909	bool changed = false;	754	bool changed = false;
910	unsigned int hr, vr;	755	unsigned int hr, vr;
911	int junk;	756	int junk;
912	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
929	{	774	{
930	changed = true;	775	changed = true;
931	v_blurRadius = vr;	776	v_blurRadius = vr;
932	}	777	}
933		778
934	if (v_blurRadius == 0 && h_blurRadius == 0)
935	bg_flags &= ~BG_NEEDS_BLUR;
936	else
937	bg_flags |= BG_NEEDS_BLUR;
938
939	return changed;	779	return changed;
940	}	780	}
941		781
942	void
943	rxvt_term::set_tint_shade_flags ()
944	{
945	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
946	bool has_shade = shade != 100;
947
948	bg_flags &= ~BG_TINT_FLAGS;
949
950	if (bg_flags & BG_TINT_SET)
951	{
952	tint.get (c);
953	if (!has_shade
954	&& (c.r <= 0x00ff || c.r >= 0xff00)
955	&& (c.g <= 0x00ff || c.g >= 0xff00)
956	&& (c.b <= 0x00ff || c.b >= 0xff00))
957	bg_flags |= BG_TINT_BITAND;
958	}
959
960	if (has_shade || (bg_flags & BG_TINT_SET))
961	bg_flags |= BG_NEEDS_TINT;
962	}
963
964	bool	782	bool
965	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
966	{	784	{
967	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
968	{	786	{
969	tint = new_tint;	787	tint = new_tint;
970	bg_flags |= BG_TINT_SET;	788	tint_set = true;
971	set_tint_shade_flags ();	789
972	return true;	790	return true;
973	}	791	}
974		792
975	return false;	793	return false;
976	}	794	}
977		795
978	bool	796	bool
979	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
980	{	798	{
981	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
982		800
983	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
984	if (new_shade < 0)	802	if (new_shade < 0)
985	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
986		804
987	if (new_shade != shade)	805	if (new_shade != shade)
988	{	806	{
989	shade = new_shade;	807	shade = new_shade;
990	set_tint_shade_flags ();
991	return true;	808	return true;
992	}	809	}
993		810
994	return false;	811	return false;
995	}	812	}
…		…
1016	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1017	}	834	}
1018	#endif	835	#endif
1019		836
1020	bool	837	bool
1021	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)
1022	{	839	{
1023	bool ret = false;	840	bool ret = false;
1024	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1025	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1026	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1027	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1028		848
1029	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1030	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1031		852
		853	pa.repeat = RepeatPad;
1032	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);
1033	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1034		858
1035	if (kernel && params)	859	if (kernel && params)
1036	{	860	{
1037	if (h_blurRadius)
1038	{
1039	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1040	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1041		863
1042	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1043	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1044	PictOpSrc,	866	PictOpSrc,
1045	src,	867	src,
1046	None,	868	None,
1047	dst,	869	dst,
1048	0, 0,	870	0, 0,
1049	0, 0,	871	0, 0,
1050	0, 0,	872	0, 0,
1051	width, height);	873	width, height);
1052	}
1053		874
1054	if (v_blurRadius)	875	::swap (src, dst);
1055	{	876
1056	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1057	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1058	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1059		880
1060	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1061	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1062	PictOpSrc,	883	PictOpSrc,
1063	src,	884	src,
1064	None,	885	None,
1065	dst,	886	dst,
1066	0, 0,	887	0, 0,
1067	0, 0,	888	0, 0,
1068	0, 0,	889	0, 0,
1069	width, height);	890	width, height);
1070	}
1071		891
1072	ret = true;	892	ret = true;
1073	}	893	}
1074		894
1075	free (kernel);	895	free (kernel);
…		…
1079	#endif	899	#endif
1080	return ret;	900	return ret;
1081	}	901	}
1082		902
1083	bool	903	bool
1084	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)
1085	{	905	{
1086	bool ret = false;	906	bool ret = false;
1087		907
1088	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))
1089	{	917	{
1090	XGCValues gcv;	918	XGCValues gcv;
1091	GC gc;	919	GC gc;
1092		920
1093	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1102	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1103	ret = true;	931	ret = true;
1104	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1105	}	933	}
1106	}	934	}
1107	else
1108	{
1109	# if XRENDER	935	# if XRENDER
1110	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1111		937	{
1112	if (bg_flags & BG_TINT_SET)
1113	tint.get (c);
1114
1115	if (shade <= 100)	938	if (shade <= 100)
1116	{	939	{
1117	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1118	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1119	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1123	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1124	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1125	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1126	}	949	}
1127		950
1128	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1129	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1130	XRenderPictureAttributes pa;
1131		953
1132	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1133		955
1134	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1135		957
1136	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1137	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1138	XFreePixmap (dpy, overlay_pmap);
1139
1140	pa.component_alpha = True;
1141	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1142	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1143	XFreePixmap (dpy, mask_pmap);
1144		959
1145	XRenderColor mask_c;	960	XRenderColor mask_c;
1146		961
1147	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1148	mask_c.red =	963	mask_c.red =
…		…
1153	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1154	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1155	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1156	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1157	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1158	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);
1159		975
1160	if (shade > 100)	976	if (shade > 100)
1161	{	977	{
1162	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1163	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;
1164	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1165		983
1166	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);
1167	}	985	}
1168		986
1169	ret = true;	987	ret = true;
1170		988
1171	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1172	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1173	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1174	# endif	993	# endif
1175	}
1176		994
1177	return ret;	995	return ret;
1178	}	996	}
1179		997
		998	# ifdef ENABLE_TRANSPARENCY
1180	/*	999	/*
1181	* 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
1182	* 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
1183	* our window.	1002	* our window.
1184	*/	1003	*/
1185	unsigned long	1004	bool
1186	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1187	{	1006	{
1188	unsigned long result = 0;	1007	bool ret = false;
1189		1008
1190	/* 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
1191	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1192	*/	1011	*/
1193	int screen = display->screen;	1012	int screen = display->screen;
…		…
1231	#if XRENDER	1050	#if XRENDER
1232	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1233	{	1052	{
1234	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);
1235		1054
1236	XRenderPictureAttributes pa;
1237
1238	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1239	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1240		1057
1241	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1242	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1243		1060
1244	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);
1245		1062
1246	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1247	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1264	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1265	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1266	}	1083	}
1267		1084
1268	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1269	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1270	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1271		1088
1272	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1273	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1274	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1275	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1276	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1277		1094
1278	if (gc)	1095	if (gc)
1279	{	1096	{
1280	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1281	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
		1101
		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)
		1118	{
		1119	/* our own client-side tinting */
		1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
		1124	}
		1125	}
		1126
1282	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1283
1284	if (!(bg_flags & BG_CLIENT_RENDER))
1285	{
1286	if ((bg_flags & BG_NEEDS_BLUR)
1287	&& (bg_flags & BG_HAS_RENDER_CONV))
1288	{
1289	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1290	result &= ~BG_NEEDS_BLUR;
1291	}
1292	if ((bg_flags & BG_NEEDS_TINT)
1293	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1294	{
1295	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1296	result &= ~BG_NEEDS_TINT;
1297	}
1298	} /* server side rendering completed */
1299	}	1128	}
1300		1129
1301	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1302	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1303		1132
1304	return result;	1133	return ret;
1305	}	1134	}
1306		1135
1307	void	1136	void
1308	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1309	{	1138	{
…		…
1313		1142
1314	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1315	}	1144	}
1316	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1317		1146
1318	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1319	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1320	# endif
1321
1322	bool	1147	bool
1323	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1324	{	1149	{
1325	unsigned long tr_flags = 0;
1326
1327	bg_invalidate ();	1150	bg_invalidate ();
1328	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1329	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1330	{	1153	{
1331	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1332	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1333	if (tr_flags == 0)
1334	return false;
1335	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1336	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1337	}	1157	}
1338	# endif	1158	# endif
1339		1159
1340	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1341	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++)
1342	|| (tr_flags & BG_EFFECTS_FLAGS))
1343	{	1162	{
1344	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1345	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1346	}
1347	# endif
1348
1349	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1350	XImage *result = NULL;
1351
1352	if (tr_flags && !(bg_flags & BG_IS_VALID))
1353	{
1354	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1355	}
1356
1357	if (result)
1358	{
1359	/* our own client-side tinting */
1360	if (tr_flags & BG_NEEDS_TINT)
1361	{
1362	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1363	if (bg_flags & BG_TINT_SET)
1364	tint.get (c);
1365	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1366	}
1367
1368	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1369
1370	if (gc)
1371	{
1372	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1373
1374	XFreeGC (dpy, gc);
1375	bg_flags |= BG_IS_VALID;
1376	}
1377
1378	XDestroyImage (result);
1379	}	1165	}
1380	# endif	1166	# endif
1381		1167
1382	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1383	{	1169	{
…		…
1397	}	1183	}
1398		1184
1399	void	1185	void
1400	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1401	{	1187	{
1402	#ifdef ENABLE_TRANSPARENCY
1403	shade = 100;
1404	#endif
1405
1406	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1407	#if XRENDER	1189	#if XRENDER
1408	int major, minor;	1190	int major, minor;
1409	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1410	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1416	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1417		1199
1418	XFree (filters);	1200	XFree (filters);
1419	}	1201	}
1420	#endif	1202	#endif
1421	}
1422		1203
1423	#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	}
1424		1211
1425	#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
1426	/* taken from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1427		1236
1428	static void	1237	static inline void
1429	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)
1430	{	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;
1431	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1432	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1433	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1434	rgba low;	1256	unsigned short low;
1435	rgba high;
1436	int i;
1437	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1438		1258
1439	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1259	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1440		1260
1441	/* for convenience */	1261	/* for convenience */
1442	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1443	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1444	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1445		1265
1446	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1447	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1448	{	1268	sh_g = ecb_ctz32 (mask_g);
1449	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1450	if ((mask_r != 0x7c00) ||	1270
1451	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1452	(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)
1453	return;	1276	return;
1454	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));
1455	lookup_r = lookup;	1279	lookup_r = lookup;
1456	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1457	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1458	sh_r = 10;	1282
1459	sh_g = 5;	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1460	sh_b = 0;	1284
1461	break;	1285	if (tint_set)
1462	case 16:	1286	tint.get (c);
1463	if ((mask_r != 0xf800) ||
1464	(mask_g != 0x07e0) ||
1465	(mask_b != 0x001f))
1466	return;
1467	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1468	lookup_r = lookup;
1469	lookup_g = lookup+32;
1470	lookup_b = lookup+32+64;
1471	sh_r = 11;
1472	sh_g = 5;
1473	sh_b = 0;
1474	break;
1475	case 24:
1476	if ((mask_r != 0xff0000) ||
1477	(mask_g != 0x00ff00) ||
1478	(mask_b != 0x0000ff))
1479	return;
1480	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1481	lookup_r = lookup;
1482	lookup_g = lookup+256;
1483	lookup_b = lookup+256+256;
1484	sh_r = 16;
1485	sh_g = 8;
1486	sh_b = 0;
1487	break;
1488	case 32:
1489	if ((mask_r != 0xff0000) ||
1490	(mask_g != 0x00ff00) ||
1491	(mask_b != 0x0000ff))
1492	return;
1493	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1494	lookup_r = lookup;
1495	lookup_g = lookup+256;
1496	lookup_b = lookup+256+256;
1497	sh_r = 16;
1498	sh_g = 8;
1499	sh_b = 0;
1500	break;
1501	default:
1502	return; /* we do not support this color depth */
1503	}
1504		1287
1505	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1506	if (shade > 100)	1289	if (shade > 100)
1507	{	1290	{
1508	shade = 200 - shade;
1509
1510	high.r = c.r * shade / 100;
1511	high.g = c.g * shade / 100;
1512	high.b = c.b * shade / 100;
1513
1514	low.r = 65535 * (100 - shade) / 100;	1291	c.r = c.r * (200 - shade) / 100;
1515	low.g = 65535 * (100 - shade) / 100;	1292	c.g = c.g * (200 - shade) / 100;
1516	low.b = 65535 * (100 - shade) / 100;	1293	c.b = c.b * (200 - shade) / 100;
		1294
		1295	low = 0xffff * (shade - 100) / 100;
1517	}	1296	}
1518	else	1297	else
1519	{	1298	{
1520	high.r = c.r * shade / 100;	1299	c.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;	1300	c.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;	1301	c.b = c.b * shade / 100;
1523		1302
1524	low.r = low.g = low.b = 0;	1303	low = 0;
1525	}	1304	}
1526		1305
1527	/* fill our lookup tables */	1306	/* fill our lookup tables */
1528	for (i = 0; i <= mask_r>>sh_r; i++)	1307	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1529	{	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1530	uint32_t tmp;	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1531	tmp = i * high.r;
1532	tmp += (mask_r>>sh_r) * low.r;
1533	lookup_r[i] = (tmp/65535)<<sh_r;
1534	}
1535	for (i = 0; i <= mask_g>>sh_g; i++)
1536	{
1537	uint32_t tmp;
1538	tmp = i * high.g;
1539	tmp += (mask_g>>sh_g) * low.g;
1540	lookup_g[i] = (tmp/65535)<<sh_g;
1541	}
1542	for (i = 0; i <= mask_b>>sh_b; i++)
1543	{
1544	uint32_t tmp;
1545	tmp = i * high.b;
1546	tmp += (mask_b>>sh_b) * low.b;
1547	lookup_b[i] = (tmp/65535)<<sh_b;
1548	}
1549		1310
1550	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1551	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1552	&& (ximage->depth == 24 || ximage->depth == 32)
1553	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1554	{	1314	{
1555	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1556	p1 = (uint32_t *) ximage->data;
1557	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1558		1316
1559	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1560	{	1318	{
1561	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1562	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1563	for (; p < pl; p++)
1564	{	1321	{
1565	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1566	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1567	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1568	(*p & 0xff000000);	1325	p++;
1569	}	1326	}
1570	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1571	}	1328	}
1572	}	1329	}
1573	else	1330	else
1574	{	1331	{
1575	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1583	}	1340	}
1584	}	1341	}
1585		1342
1586	free (lookup);	1343	free (lookup);
1587	}	1344	}
1588	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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