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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 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_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)
305	|| check_set_scale_value (geom_flags, HeightValue, v_scale, h)
306	|| check_set_align_value (geom_flags, XValue, h_align, x)
307	|| check_set_align_value (geom_flags, YValue, v_align, y))
308	changed = true;
309
310	if (new_flags != bg_flags)
311	{	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	{
312	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
313	changed = true;	305	changed = true;
314	}	306	}
315		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
316	return changed;	313	return changed;
317	}	314	}
318		315
319	void	316	void
320	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)
321	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
322	int target_width = szHint.width;	321	int target_width = szHint.width;
323	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);
324		325
325	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
326	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
327		328
328	if (bg_flags & BG_PROP_SCALE)	329	if (image.flags & IM_KEEP_ASPECT)
329	{	330	{
330	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
331	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
332	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
333	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
334	}	335	}
335		336
336	if (!w) w = image_width;	337	if (!w) w = image_width;
337	if (!h) h = image_height;	338	if (!h) h = image_height;
338		339
339	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
340	{	341	{
341	x = -target_x;	342	x = -target_x;
342	y = -target_y;	343	y = -target_y;
343	}	344	}
344	else	345	else
345	{	346	{
346	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
347	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
348	}
349
350	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351	if (!(bg_flags & BG_TILE)
352	|| h_scale || v_scale
353	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
354	|| w > target_width || h > target_height)
355	bg_flags |= BG_IS_SIZE_SENSITIVE;
356	}
357
358	# ifdef HAVE_AFTERIMAGE
359	bool
360	rxvt_term::render_image (unsigned long tr_flags)
361	{
362	init_asv ();
363
364	ASImage *background = NULL;
365	ARGB32 background_tint = TINT_LEAVE_SAME;
366
367	# ifdef ENABLE_TRANSPARENCY
368	if (tr_flags)
369	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371	if (tr_flags & BG_NEEDS_TINT)
372	{	349	}
373	ShadingInfo as_shade;	350	}
374	as_shade.shading = shade;
375		351
376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
377	if (bg_flags & BG_TINT_SET)	353	bool
378	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
379	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
380	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
381	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;
382		366
383	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
384	}	371	{
385		372	red_mask = 0xff << 16;
386	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
387	{	376	}
388	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
389	ASA_XImage,	378	{
390	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);
391	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)
392	{	445	{
393	destroy_asimage (&background);	446	a = pixel[3];
394	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);
395	}	468	}
396	}
397	# endif
398		469
399	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);
400		496
401	int target_width = szHint.width;	497	int target_width = szHint.width;
402	int target_height = szHint.height;	498	int target_height = szHint.height;
403	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
404	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
406	int x = 0;	502	int x = 0;
407	int y = 0;	503	int y = 0;
408	int w = 0;	504	int w = 0;
409	int h = 0;	505	int h = 0;
410		506
411	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
412	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413		508
414	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
415	|| (!(bg_flags & BG_ROOT_ALIGN)
416	&& (x >= target_width	510	&& (x >= target_width
417	|| y >= target_height	511	|| y >= target_height
418	|| x + w <= 0	512	|| x + w <= 0
419	|| 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);
420	{	524	}
421	if (background)
422	{
423	new_pmap_width = background->width;
424	new_pmap_height = background->height;
425	result = background;
426		525
427	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)
428	{	547	{
429	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
430	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
431	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432	if (tmp)
433	result = tmp;
434	}
435	}	550	}
436	else
437	new_pmap_width = new_pmap_height = 0;
438	}
439	else
440	{
441	result = original_asim;
442		551
443	if (w != original_asim->width
444	|| h != original_asim->height)
445	{
446	result = scale_asimage (asv, original_asim,
447	w, h,
448	ASA_XImage,
449	100, ASIMAGE_QUALITY_DEFAULT);
450	}
451
452	if (background == NULL)
453	{
454	if (bg_flags & BG_TILE)
455	{
456	/* if tiling - pixmap has to be sized exactly as the image,
457	but there is no need to make it bigger than the window! */
458	new_pmap_width = min (result->width, target_width);
459	new_pmap_height = min (result->height, target_height);
460
461	/* we also need to tile our image in both directions */
462	ASImage *tmp = tile_asimage (asv, result,
463	(int)result->width - x,
464	(int)result->height - y,
465	new_pmap_width,
466	new_pmap_height,
467	TINT_LEAVE_SAME, ASA_XImage,
468	100, ASIMAGE_QUALITY_DEFAULT);
469	if (tmp)
470	{
471	if (result != original_asim)
472	destroy_asimage (&result);
473
474	result = tmp;
475	}
476	}
477	}
478	else
479	{
480	/* if blending background and image - pixmap has to be sized same as target window */
481	ASImageLayer *layers = create_image_layers (2);
482
483	layers[0].im = background;
484	layers[0].clip_width = target_width;
485	layers[0].clip_height = target_height;
486	layers[0].tint = background_tint;
487	layers[1].im = result;
488
489	if (bg_flags & BG_TILE)
490	{
491	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{
498	/* clip horizontally */
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width;
501	}
502
503	if (bg_flags & BG_TILE)
504	{
505	while (y > 0) y -= (int)result->height;
506	layers[1].dst_y = y;
507	layers[1].clip_height = result->height + target_height;
508	}
509	else
510	{
511	layers[1].dst_y = y;
512	layers[1].clip_height = result->height;
513	}
514
515	if (rs[Rs_blendtype])
516	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;
520	}
521
522	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525	if (tmp)
526	{
527	if (result != original_asim)
528	destroy_asimage (&result);
529
530	result = tmp;
531	}
532
533	free (layers);
534	}
535	}
536
537	bool ret = false;
538
539	if (result)
540	{
541	XGCValues gcv;
542	GC gc;
543
544	/* create Pixmap */
545	if (bg_pixmap == None	552	if (bg_pixmap == None
546	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
547	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
548	{	555	{
549	if (bg_pixmap)	556	if (bg_pixmap)
550	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
551	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);
552	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
553	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
554	}	561	}
555	/* fill with background color (if result's not completely overlapping it) */
556	gcv.foreground = pix_colors[Color_bg];
557	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558		562
559	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560	int dst_width = result->width, dst_height = result->height;
561	if (background == NULL)
562	{
563	if (!(bg_flags & BG_TILE))
564	{
565	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567	}
568
569	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)
572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573	}
574
575	/* put result on pixmap */
576	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579	if (result != background && result != original_asim)
580	destroy_asimage (&result);
581
582	XFreeGC (dpy, gc);
583
584	ret = true;
585	}
586
587	if (background)
588	destroy_asimage (&background);
589
590	return ret;
591	}
592	# endif /* HAVE_AFTERIMAGE */
593
594	# ifdef HAVE_PIXBUF
595	bool
596	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597	int src_x, int src_y, int dst_x, int dst_y,
598	unsigned int width, unsigned int height)
599	{
600	XImage *ximage;
601	char *data, *line;
602	int bytes_per_pixel;
603	int width_r, width_g, width_b;
604	int sh_r, sh_g, sh_b;
605	int rowstride;
606	int channels;
607	unsigned char *row;
608
609	if (visual->c_class != TrueColor)
610	return false;
611
612	if (depth == 24 || depth == 32)
613	bytes_per_pixel = 4;
614	else if (depth == 15 || depth == 16)
615	bytes_per_pixel = 2;
616	else
617	return false;
618
619	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);
622
623	if (width_r > 8 || width_g > 8 || width_b > 8)
624	return false;
625
626	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);
629
630	if (width > INT_MAX / height / bytes_per_pixel)
631	return false;
632
633	data = (char *)malloc (width * height * bytes_per_pixel);
634	if (!data)
635	return false;
636
637	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
638	width, height, bytes_per_pixel * 8, 0);
639	if (!ximage)
640	{
641	free (data);
642	return false;
643	}
644
645	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
646
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;
651
652	for (int y = 0; y < height; y++)
653	{
654	for (int x = 0; x < width; x++)
655	{
656	unsigned char *pixel = row + x * channels;
657	uint32_t value;
658
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)
660	| ((pixel[1] >> (8 - width_g)) << sh_g)
661	| ((pixel[2] >> (8 - width_b)) << sh_b);
662
663	if (bytes_per_pixel == 4)
664	((uint32_t *)line)[x] = value;
665	else
666	((uint16_t *)line)[x] = value;
667	}
668
669	row += rowstride;
670	line += ximage->bytes_per_line;
671	}
672
673	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
674	XDestroyImage (ximage);
675	return true;
676	}
677
678	bool
679	rxvt_term::render_image (unsigned long tr_flags)
680	{
681	if (!pixbuf)
682	return false;
683
684	if (tr_flags
685	&& !(bg_flags & BG_HAS_RENDER))
686	return false;
687
688	GdkPixbuf *result;
689
690	int image_width = gdk_pixbuf_get_width (pixbuf);
691	int image_height = gdk_pixbuf_get_height (pixbuf);
692
693	int target_width = szHint.width;
694	int target_height = szHint.height;
695	int new_pmap_width = target_width;
696	int new_pmap_height = target_height;
697
698	int x = 0;
699	int y = 0;
700	int w = 0;
701	int h = 0;
702
703	get_image_geometry (image_width, image_height, w, h, x, y);
704
705	if (!(bg_flags & BG_ROOT_ALIGN)
706	&& (x >= target_width
707	|| y >= target_height
708	|| x + w <= 0
709	|| y + h <= 0))
710	return false;
711
712	result = pixbuf;
713
714	if (w != image_width
715	|| h != image_height)
716	{
717	result = gdk_pixbuf_scale_simple (pixbuf,
718	w, h,
719	GDK_INTERP_BILINEAR);
720	}
721
722	if (!result)
723	return false;
724
725	bool ret = false;
726
727	XGCValues gcv;
728	GC gc;
729	Pixmap root_pmap;
730
731	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);
733
734	if (tr_flags)
735	{
736	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
737	bg_pixmap = None;
738	}
739	else
740	{
741	if (bg_flags & BG_TILE)
742	{
743	new_pmap_width = min (image_width, target_width);
744	new_pmap_height = min (image_height, target_height);
745	}
746	}
747
748	if (bg_pixmap == None
749	|| bg_pmap_width != new_pmap_width
750	|| bg_pmap_height != new_pmap_height)
751	{
752	if (bg_pixmap)
753	XFreePixmap (dpy, bg_pixmap);
754	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
755	bg_pmap_width = new_pmap_width;
756	bg_pmap_height = new_pmap_height;
757	}	564	}
758		565
759	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
760	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
761		568
762	if (gc)	569	if (gc)
763	{	570	{
764	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
765	{	572	{
766	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
767	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
768	0, 0,	575	0, 0,
769	0, 0,	576	0, 0,
770	image_width, image_height);	577	image_width, image_height, need_blend);
771		578
772	gcv.tile = tile;	579	gcv.tile = tile;
773	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
774	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
775	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
776	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
777		584
778	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);
779	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
780	}	587	}
781	else	588	else
782	{	589	{
783	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
787	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);
788		595
789	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
790	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
791	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
792	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);
793		600
794	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
795	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
796	src_x, src_y,	603	src_x, src_y,
797	dst_x, dst_y,	604	dst_x, dst_y,
798	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
799	}	606	}
800		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
801	#if XRENDER	613	#if XRENDER
802	if (tr_flags)	614	if (need_blend)
803	{	615	{
804	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
808		620
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		622
812	pa.repeat = True;	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
813	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816	XFreePixmap (dpy, mask_pmap);
817		624
818	XRenderColor mask_c;	625	XRenderColor mask_c;
819		626
820	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
821	mask_c.red = 0;	628	mask_c.red =
822	mask_c.green = 0;	629	mask_c.green =
823	mask_c.blue = 0;	630	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
825	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);
826		634
827	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
836	}	644	}
837		645
838	if (result != pixbuf)	646	if (result != pixbuf)
839	g_object_unref (result);	647	g_object_unref (result);
840		648
841	if (tr_flags)	649	if (need_blend)
842	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
843		651
844	return ret;	652	return ret;
845	}	653	}
846	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
847		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
848	bool	703	bool
849	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
850	{	705	{
851	if (!file || !*file)	706	if (!file || !*file)
852	return false;	707	return false;
853		708
854	bool ret = false;
855	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
856		710
857	if (p)	711	if (p)
858	{	712	{
859	size_t len = p - file;	713	size_t len = p - file;
…		…
861	memcpy (f, file, len);	715	memcpy (f, file, len);
862	f[len] = '\0';	716	f[len] = '\0';
863	file = f;	717	file = f;
864	}	718	}
865		719
866	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
867	if (!asimman)	721	alpha = 0x8000;
868	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
869	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
870	if (image)	724	return ret;
871	{	725	}
872	if (original_asim)	726
873	safe_asimage_destroy (original_asim);	727	bool
874	original_asim = image;	728	rxvt_image::set_file (const char *file)
875	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
876	ret = true;	730	bool ret = false;
877	}
878	# endif
879		731
880	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	734	if (image)
883	{	735	{
884	if (pixbuf)	736	if (pixbuf)
885	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
886	pixbuf = image;	738	pixbuf = image;
887	bg_flags |= BG_IS_FROM_FILE;
888	ret = true;	739	ret = true;
889	}	740	}
890	# endif	741	# endif
891		742
892	if (ret)	743	if (ret)
893	{	744	flags |= IM_IS_SET;
894	if (p)
895	bg_set_geometry (p + 1);
896	else
897	bg_set_default_geometry ();
898	}
899		745
900	return ret;	746	return ret;
901	}	747	}
902		748
903	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
904		750
905	# ifdef ENABLE_TRANSPARENCY
906	bool	751	bool
907	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
908	{
909	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{
911	bg_flags |= BG_IS_TRANSPARENT;
912	return true;
913	}
914
915	return false;
916	}
917
918	bool
919	rxvt_term::bg_set_blur (const char *geom)
920	{	753	{
921	bool changed = false;	754	bool changed = false;
922	unsigned int hr, vr;	755	unsigned int hr, vr;
923	int junk;	756	int junk;
924	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
941	{	774	{
942	changed = true;	775	changed = true;
943	v_blurRadius = vr;	776	v_blurRadius = vr;
944	}	777	}
945		778
946	if (v_blurRadius == 0 && h_blurRadius == 0)
947	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags |= BG_NEEDS_BLUR;
950
951	return changed;	779	return changed;
952	}	780	}
953		781
954	void
955	rxvt_term::set_tint_shade_flags ()
956	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
958	bool has_shade = shade != 100;
959
960	bg_flags &= ~BG_TINT_FLAGS;
961
962	if (bg_flags & BG_TINT_SET)
963	{
964	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff || c.r >= 0xff00)
967	&& (c.g <= 0x00ff || c.g >= 0xff00)
968	&& (c.b <= 0x00ff || c.b >= 0xff00))
969	bg_flags |= BG_TINT_BITAND;
970	}
971
972	if (has_shade || (bg_flags & BG_TINT_SET))
973	bg_flags |= BG_NEEDS_TINT;
974	}
975
976	bool	782	bool
977	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
978	{	784	{
979	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
980	{	786	{
981	tint = new_tint;	787	tint = new_tint;
982	bg_flags |= BG_TINT_SET;	788	tint_set = true;
983	set_tint_shade_flags ();	789
984	return true;	790	return true;
985	}	791	}
986		792
987	return false;	793	return false;
988	}	794	}
989		795
990	bool	796	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
992	{	798	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	799	int new_shade = atoi (shade_str);
994		800
995	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	802	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
998		804
999	if (new_shade != shade)	805	if (new_shade != shade)
1000	{	806	{
1001	shade = new_shade;	807	shade = new_shade;
1002	set_tint_shade_flags ();
1003	return true;	808	return true;
1004	}	809	}
1005		810
1006	return false;	811	return false;
1007	}	812	}
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	834	}
1030	#endif	835	#endif
1031		836
1032	bool	837	bool
1033	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)
1034	{	839	{
1035	bool ret = false;	840	bool ret = false;
1036	#if XRENDER	841	#if XRENDER
		842	if (!(bg_flags & BG_HAS_RENDER_CONV))
		843	return false;
		844
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1039	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1040		848
1041	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1043		852
		853	pa.repeat = RepeatPad;
1044	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);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1046		858
1047	if (kernel && params)	859	if (kernel && params)
1048	{	860	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		863
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1056	PictOpSrc,	866	PictOpSrc,
1057	src,	867	src,
1058	None,	868	None,
1059	dst,	869	dst,
1060	0, 0,	870	0, 0,
1061	0, 0,	871	0, 0,
1062	0, 0,	872	0, 0,
1063	width, height);	873	width, height);
1064	}
1065		874
1066	if (v_blurRadius)	875	::swap (src, dst);
1067	{	876
1068	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1071		880
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1074	PictOpSrc,	883	PictOpSrc,
1075	src,	884	src,
1076	None,	885	None,
1077	dst,	886	dst,
1078	0, 0,	887	0, 0,
1079	0, 0,	888	0, 0,
1080	0, 0,	889	0, 0,
1081	width, height);	890	width, height);
1082	}
1083		891
1084	ret = true;	892	ret = true;
1085	}	893	}
1086		894
1087	free (kernel);	895	free (kernel);
…		…
1091	#endif	899	#endif
1092	return ret;	900	return ret;
1093	}	901	}
1094		902
1095	bool	903	bool
1096	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)
1097	{	905	{
1098	bool ret = false;	906	bool ret = false;
1099		907
1100	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))
1101	{	917	{
1102	XGCValues gcv;	918	XGCValues gcv;
1103	GC gc;	919	GC gc;
1104		920
1105	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	930	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	931	ret = true;
1116	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1117	}	933	}
1118	}	934	}
1119	else
1120	{
1121	# if XRENDER	935	# if XRENDER
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	else if (bg_flags & BG_HAS_RENDER)
1123		937	{
1124	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);
1126
1127	if (shade <= 100)	938	if (shade <= 100)
1128	{	939	{
1129	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1130	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1131	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1135	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1138	}	949	}
1139		950
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	: XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		953
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		955
1146	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		957
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150	XFreePixmap (dpy, overlay_pmap);
1151
1152	pa.component_alpha = True;
1153	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1155	XFreePixmap (dpy, mask_pmap);
1156		959
1157	XRenderColor mask_c;	960	XRenderColor mask_c;
1158		961
1159	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1160	mask_c.red =	963	mask_c.red =
…		…
1165	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1170	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);
1171		975
1172	if (shade > 100)	976	if (shade > 100)
1173	{	977	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	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;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		983
1178	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);
1179	}	985	}
1180		986
1181	ret = true;	987	ret = true;
1182		988
1183	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1186	# endif	993	# endif
1187	}
1188		994
1189	return ret;	995	return ret;
1190	}	996	}
1191		997
		998	# ifdef ENABLE_TRANSPARENCY
1192	/*	999	/*
1193	* 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
1194	* 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
1195	* our window.	1002	* our window.
1196	*/	1003	*/
1197	unsigned long	1004	bool
1198	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1199	{	1006	{
1200	unsigned long result = 0;	1007	bool ret = false;
1201		1008
1202	/* 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
1203	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1204	*/	1011	*/
1205	int screen = display->screen;	1012	int screen = display->screen;
…		…
1243	#if XRENDER	1050	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	1051	if (bg_flags & BG_HAS_RENDER)
1245	{	1052	{
1246	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);
1247		1054
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		1057
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		1060
1256	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);
1257		1062
1258	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1081	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1082	bg_pmap_height = window_height;
1278	}	1083	}
1279		1084
1280	/* straightforward pixmap copy */	1085	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1086	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1087	while (sy < 0) sy += root_pmap_height;
1283		1088
1284	gcv.tile = recoded_root_pmap;	1089	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1090	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1091	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1092	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1289		1094
1290	if (gc)	1095	if (gc)
1291	{	1096	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
1294	XFreeGC (dpy, gc);	1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1295		1101
1296	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{	1103	{
1298	if ((bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{	1105	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1302	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1303	}	1109	}
1304	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1305	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1306	{	1111	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1308	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	}
1309	}	1127	}
1310	} /* server side rendering completed */	1128	} /* server side rendering completed */
		1129
		1130	XFreeGC (dpy, gc);
1311	}	1131	}
1312		1132
1313	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1315		1135
1316	return result;	1136	return ret;
1317	}	1137	}
1318		1138
1319	void	1139	void
1320	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1321	{	1141	{
…		…
1325		1145
1326	root_pixmap = new_root_pixmap;	1146	root_pixmap = new_root_pixmap;
1327	}	1147	}
1328	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1329		1149
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1332	# endif
1333
1334	bool	1150	bool
1335	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1336	{	1152	{
1337	unsigned long tr_flags = 0;
1338
1339	bg_invalidate ();	1153	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1156	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1345	if (tr_flags == 0)
1346	return false;
1347	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1348	}	1160	}
1349	# endif	1161	# endif
1350		1162
1351	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1352	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++)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1165	{
1355	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1356	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	{
1374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375	if (bg_flags & BG_TINT_SET)
1376	tint.get (c);
1377	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378	}
1379
1380	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382	if (gc)
1383	{
1384	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386	XFreeGC (dpy, gc);
1387	}
1388
1389	XDestroyImage (result);
1390	}	1168	}
1391	# endif	1169	# endif
1392		1170
1393	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
1394	{	1172	{
…		…
1408	}	1186	}
1409		1187
1410	void	1188	void
1411	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1412	{	1190	{
1413	#ifdef ENABLE_TRANSPARENCY
1414	shade = 100;
1415	#endif
1416
1417	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1418	#if XRENDER	1192	#if XRENDER
1419	int major, minor;	1193	int major, minor;
1420	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1421	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1427	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1428		1202
1429	XFree (filters);	1203	XFree (filters);
1430	}	1204	}
1431	#endif	1205	#endif
1432	}
1433		1206
1434	#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	}
1435		1214
1436	#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
1437	/* based on code from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1438		1239
1439	static void	1240	static inline void
1440	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1242	{
		1243	for (int i = 0; i <= mask >> sh; i++)
		1244	{
		1245	uint32_t tmp;
		1246	tmp = i * high;
		1247	tmp += (mask >> sh) * low;
		1248	lookup[i] = (tmp / 0xffff) << sh;
		1249	}
		1250	}
		1251
		1252	void
		1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1254	{
		1255	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1259	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1261
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1262	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1263
1452	/* for convenience */	1264	/* for convenience */
1453	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1456		1268
1457	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1459	{	1271	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1273
1462	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1463	(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)
1464	return;	1279	return;
1465	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));
1466	lookup_r = lookup;	1282	lookup_r = lookup;
1467	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1284	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1285
1470	sh_g = 5;	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1287
1472	break;	1288	if (tint_set)
1473	case 16:	1289	tint.get (c);
1474	if ((mask_r != 0xf800) ||
1475	(mask_g != 0x07e0) ||
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) ||
1488	(mask_g != 0x00ff00) ||
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1290
1516	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1292	if (shade > 100)
1518	{	1293	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1294	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1295	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1296	c.b = c.b * (200 - shade) / 100;
		1297
		1298	low = 0xffff * (shade - 100) / 100;
1528	}	1299	}
1529	else	1300	else
1530	{	1301	{
1531	high.r = c.r * shade / 100;	1302	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1303	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1304	c.b = c.b * shade / 100;
1534		1305
1535	low.r = low.g = low.b = 0;	1306	low = 0;
1536	}	1307	}
1537		1308
1538	/* fill our lookup tables */	1309	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1310	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1313
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1565	{	1317	{
1566	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1319
1570	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1571	{	1321	{
1572	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1573	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1574	for (; p < pl; p++)
1575	{	1324	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1578	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1579	(*p & 0xff000000);	1328	p++;
1580	}	1329	}
1581	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1582	}	1331	}
1583	}	1332	}
1584	else	1333	else
1585	{	1334	{
1586	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1343	}
1595	}	1344	}
1596		1345
1597	free (lookup);	1346	free (lookup);
1598	}	1347	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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