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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.177 by sf-exg, Wed Dec 14 12:07:12 2011 UTC vs.
Revision 1.225 by sf-exg, Wed May 30 21:20:05 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
83	{	96	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		275
289	if (!update)	276	if (!update)
290	{	277	{
291	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	284	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
299	h = w;	286	h = w;
300	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
301	w = h;	288	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
313	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
314	changed = true;	305	changed = true;
315	}	306	}
316		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
317	return changed;	313	return changed;
318	}	314	}
319		315
320	void	316	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
323	int target_width = szHint.width;	321	int target_width = szHint.width;
324	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325		325
326	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
328		328
329	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
330	{	330	{
331	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
335	}	335	}
336		336
337	if (!w) w = image_width;	337	if (!w) w = image_width;
338	if (!h) h = image_height;	338	if (!h) h = image_height;
339		339
340	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
341	{	341	{
342	x = -target_x;	342	x = -target_x;
343	y = -target_y;	343	y = -target_y;
344	}	344	}
345	else	345	else
346	{	346	{
347	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	349	}
374	ShadingInfo as_shade;	350	}
375	as_shade.shading = shade;
376		351
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	353	bool
379	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
383		366
384	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
385	}	371	{
386		372	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
388	{	376	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
390	ASA_XImage,	378	{
391	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
393	{	445	{
394	destroy_asimage (&background);	446	a = pixel[3];
395	background = tmp;	447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
396	}	468	}
397	}
398	# endif
399		469
400	ASImage *result = 0;	470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
401		496
402	int target_width = szHint.width;	497	int target_width = szHint.width;
403	int target_height = szHint.height;	498	int target_height = szHint.height;
404	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
407	int x = 0;	502	int x = 0;
408	int y = 0;	503	int y = 0;
409	int w = 0;	504	int w = 0;
410	int h = 0;	505	int h = 0;
411		506
412	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		508
415	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	510	&& (x >= target_width
418	|| y >= target_height	511	|| y >= target_height
419	|| x + w <= 0	512	|| x + w <= 0
420	|| y + h <= 0)))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
421	{	524	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		525
428	if (background_tint != TINT_LEAVE_SAME)	526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
429	{	547	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	550	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		551
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	552	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
549	{	555	{
550	if (bg_pixmap)	556	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
555	}	561	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		562
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	564	}
759		565
760	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		568
763	if (gc)	569	if (gc)
764	{	570	{
765	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
766	{	572	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	575	0, 0,
770	0, 0,	576	0, 0,
771	image_width, image_height);	577	image_width, image_height, need_blend);
772		578
773	gcv.tile = tile;	579	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		584
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
781	}	587	}
782	else	588	else
783	{	589	{
784	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		595
790	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		600
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	603	src_x, src_y,
798	dst_x, dst_y,	604	dst_x, dst_y,
799	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
800	}	606	}
801		607
802	#if XRENDER	608	#if XRENDER
803	if (tr_flags)	609	if (need_blend)
804	{	610	{
805	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		615
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		617
813	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		619
819	XRenderColor mask_c;	620	XRenderColor mask_c;
820		621
821	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
822	mask_c.red = 0;	623	mask_c.red =
823	mask_c.green = 0;	624	mask_c.green =
824	mask_c.blue = 0;	625	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		629
828	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
837	}	639	}
838		640
839	if (result != pixbuf)	641	if (result != pixbuf)
840	g_object_unref (result);	642	g_object_unref (result);
841		643
842	if (tr_flags)	644	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
844		646
845	return ret;	647	return ret;
846	}	648	}
847	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
848		650
		651	# ifndef NO_RESOURCES
		652	static int
		653	rxvt_define_image (XrmDatabase *database ecb_unused,
		654	XrmBindingList bindings ecb_unused,
		655	XrmQuarkList quarks,
		656	XrmRepresentation *type ecb_unused,
		657	XrmValue *value,
		658	XPointer closure ecb_unused)
		659	{
		660	int size;
		661
		662	for (size = 0; quarks[size] != NULLQUARK; size++)
		663	;
		664
		665	if (size >= 2)
		666	{
		667	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		668	if (id >= 1)
		669	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		670	}
		671	return False;
		672	}
		673
		674	void
		675	rxvt_term::parse_image (int id, const char *type, const char *arg)
		676	{
		677	if (image_vec.size () < id + 1)
		678	image_vec.resize (id + 1);
		679
		680	rxvt_image *image = &image_vec[id];
		681	}
		682	# endif
		683
		684	rxvt_image::rxvt_image ()
		685	{
		686	alpha = 0xffff;
		687	flags = 0;
		688	h_scale =
		689	v_scale = defaultScale;
		690	h_align =
		691	v_align = defaultAlign;
		692
		693	# ifdef HAVE_PIXBUF
		694	pixbuf = 0;
		695	# endif
		696	}
		697
849	bool	698	bool
850	rxvt_term::bg_set_file (const char *file)	699	rxvt_image::set_file_geometry (const char *file)
851	{	700	{
852	if (!file || !*file)	701	if (!file || !*file)
853	return false;	702	return false;
854		703
855	bool ret = false;
856	const char *p = strchr (file, ';');	704	const char *p = strchr (file, ';');
857		705
858	if (p)	706	if (p)
859	{	707	{
860	size_t len = p - file;	708	size_t len = p - file;
…		…
862	memcpy (f, file, len);	710	memcpy (f, file, len);
863	f[len] = '\0';	711	f[len] = '\0';
864	file = f;	712	file = f;
865	}	713	}
866		714
867	# ifdef HAVE_AFTERIMAGE	715	bool ret = set_file (file);
868	if (!asimman)	716	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	717	if (ret)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	718	set_geometry (p ? p + 1 : "");
871	if (image)	719	return ret;
872	{	720	}
873	if (original_asim)	721
874	safe_asimage_destroy (original_asim);	722	bool
875	original_asim = image;	723	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	724	{
877	ret = true;	725	bool ret = false;
878	}
879	# endif
880		726
881	# ifdef HAVE_PIXBUF	727	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	728	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	729	if (image)
884	{	730	{
885	if (pixbuf)	731	if (pixbuf)
886	g_object_unref (pixbuf);	732	g_object_unref (pixbuf);
887	pixbuf = image;	733	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	734	ret = true;
890	}	735	}
891	# endif	736	# endif
892		737
893	if (ret)	738	if (ret)
894	{	739	flags |= IM_IS_SET;
895	if (p)
896	bg_set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}
900		740
901	return ret;	741	return ret;
902	}	742	}
903		743
904	# endif /* BG_IMAGE_FROM_FILE */	744	# endif /* BG_IMAGE_FROM_FILE */
905		745
906	# ifdef ENABLE_TRANSPARENCY	746	# ifdef ENABLE_TRANSPARENCY
907	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool	747	bool
920	rxvt_term::bg_set_blur (const char *geom)	748	rxvt_term::bg_set_blur (const char *geom)
921	{	749	{
922	bool changed = false;	750	bool changed = false;
923	unsigned int hr, vr;	751	unsigned int hr, vr;
…		…
942	{	770	{
943	changed = true;	771	changed = true;
944	v_blurRadius = vr;	772	v_blurRadius = vr;
945	}	773	}
946		774
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	775	return changed;
953	}	776	}
954		777
955	void	778	bool
956	rxvt_term::set_tint_shade_flags ()	779	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	780	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	781	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
959	bool has_shade = shade != 100;	782	{
960		783	tint = new_tint;
961	bg_flags &= ~BG_TINT_FLAGS;	784	bg_flags |= BG_TINT_SET;
962		785
963	if (bg_flags & BG_TINT_SET)	786	rgba c;
964	{
965	tint.get (c);	787	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	788	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	789	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	790	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	791	bg_flags |= BG_TINT_BITAND;
971	}	792	else
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	793	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	794
985	return true;	795	return true;
986	}	796	}
987		797
988	return false;	798	return false;
989	}	799	}
990		800
991	bool	801	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	802	rxvt_term::bg_set_shade (const char *shade_str)
993	{	803	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	804	int new_shade = atoi (shade_str);
995		805
996	clamp_it (new_shade, -100, 200);	806	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	807	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	808	new_shade = 200 - (100 + new_shade);
999		809
1000	if (new_shade != shade)	810	if (new_shade != shade)
1001	{	811	{
1002	shade = new_shade;	812	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	813	return true;
1005	}	814	}
1006		815
1007	return false;	816	return false;
1008	}	817	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	838	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	839	}
1031	#endif	840	#endif
1032		841
1033	bool	842	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	844	{
1036	bool ret = false;	845	bool ret = false;
1037	#if XRENDER	846	#if XRENDER
		847	if (!(bg_flags & BG_HAS_RENDER_CONV))
		848	return false;
		849
1038	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	850	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1039	double *kernel = (double *)malloc (size * sizeof (double));	851	double *kernel = (double *)malloc (size * sizeof (double));
1040	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	852	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1041		853
1042	XRenderPictureAttributes pa;	854	XRenderPictureAttributes pa;
1043	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	855	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1044		856
		857	pa.repeat = RepeatPad;
1045	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	858	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		859	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1046	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	860	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		861	XFreePixmap (dpy, tmp);
1047		862
1048	if (kernel && params)	863	if (kernel && params)
1049	{	864	{
1050	if (h_blurRadius)
1051	{
1052	size = h_blurRadius * 2 + 1;	865	size = h_blurRadius * 2 + 1;
1053	get_gaussian_kernel (h_blurRadius, size, kernel, params);	866	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1054		867
1055	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	868	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1056	XRenderComposite (dpy,	869	XRenderComposite (dpy,
1057	PictOpSrc,	870	PictOpSrc,
1058	src,	871	src,
1059	None,	872	None,
1060	dst,	873	dst,
1061	0, 0,	874	0, 0,
1062	0, 0,	875	0, 0,
1063	0, 0,	876	0, 0,
1064	width, height);	877	width, height);
1065	}
1066		878
1067	if (v_blurRadius)	879	::swap (src, dst);
1068	{	880
1069	size = v_blurRadius * 2 + 1;	881	size = v_blurRadius * 2 + 1;
1070	get_gaussian_kernel (v_blurRadius, size, kernel, params);	882	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1071	::swap (params[0], params[1]);	883	::swap (params[0], params[1]);
1072		884
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	885	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	886	XRenderComposite (dpy,
1075	PictOpSrc,	887	PictOpSrc,
1076	src,	888	src,
1077	None,	889	None,
1078	dst,	890	dst,
1079	0, 0,	891	0, 0,
1080	0, 0,	892	0, 0,
1081	0, 0,	893	0, 0,
1082	width, height);	894	width, height);
1083	}
1084		895
1085	ret = true;	896	ret = true;
1086	}	897	}
1087		898
1088	free (kernel);	899	free (kernel);
…		…
1092	#endif	903	#endif
1093	return ret;	904	return ret;
1094	}	905	}
1095		906
1096	bool	907	bool
1097	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	908	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1098	{	909	{
1099	bool ret = false;	910	bool ret = false;
1100		911
1101	if (bg_flags & BG_TINT_BITAND)	912	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1102	{	913	{
1103	XGCValues gcv;	914	XGCValues gcv;
1104	GC gc;	915	GC gc;
1105		916
1106	/* In this case we can tint image server-side getting significant	917	/* In this case we can tint image server-side getting significant
…		…
1115	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	926	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1116	ret = true;	927	ret = true;
1117	XFreeGC (dpy, gc);	928	XFreeGC (dpy, gc);
1118	}	929	}
1119	}	930	}
1120	else
1121	{
1122	# if XRENDER	931	# if XRENDER
		932	else if (bg_flags & BG_HAS_RENDER)
		933	{
1123	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	934	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1124		935
1125	if (bg_flags & BG_TINT_SET)	936	if (bg_flags & BG_TINT_SET)
1126	tint.get (c);	937	tint.get (c);
1127		938
…		…
1136	c.r = c.r * (200 - shade) / 100;	947	c.r = c.r * (200 - shade) / 100;
1137	c.g = c.g * (200 - shade) / 100;	948	c.g = c.g * (200 - shade) / 100;
1138	c.b = c.b * (200 - shade) / 100;	949	c.b = c.b * (200 - shade) / 100;
1139	}	950	}
1140		951
1141	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1142	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1143	XRenderPictureAttributes pa;
1144		953
1145	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1146		955
1147	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1148		957
1149	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1150	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1151	XFreePixmap (dpy, overlay_pmap);
1152
1153	pa.component_alpha = True;
1154	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1155	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1156	XFreePixmap (dpy, mask_pmap);
1157		959
1158	XRenderColor mask_c;	960	XRenderColor mask_c;
1159		961
1160	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1161	mask_c.red =	963	mask_c.red =
…		…
1166	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1167	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1168	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1169	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1170	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1171	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172		975
1173	if (shade > 100)	976	if (shade > 100)
1174	{	977	{
1175	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1176	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1177	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1178		983
1179	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1180	}	985	}
1181		986
1182	ret = true;	987	ret = true;
1183		988
1184	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1185	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1186	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1187	# endif	993	# endif
1188	}
1189		994
1190	return ret;	995	return ret;
1191	}	996	}
1192		997
1193	/*	998	/*
1194	* Builds a pixmap of the same size as the terminal window that contains	999	* Builds a pixmap of the same size as the terminal window that contains
1195	* the tiled portion of the root pixmap that is supposed to be covered by	1000	* the tiled portion of the root pixmap that is supposed to be covered by
1196	* our window.	1001	* our window.
1197	*/	1002	*/
1198	unsigned long	1003	bool
1199	rxvt_term::make_transparency_pixmap ()	1004	rxvt_term::make_transparency_pixmap ()
1200	{	1005	{
1201	unsigned long result = 0;	1006	bool ret = false;
1202		1007
1203	/* root dimensions may change from call to call - but Display structure should	1008	/* root dimensions may change from call to call - but Display structure should
1204	* be always up-to-date, so let's use it :	1009	* be always up-to-date, so let's use it :
1205	*/	1010	*/
1206	int screen = display->screen;	1011	int screen = display->screen;
…		…
1244	#if XRENDER	1049	#if XRENDER
1245	if (bg_flags & BG_HAS_RENDER)	1050	if (bg_flags & BG_HAS_RENDER)
1246	{	1051	{
1247	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1052	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1248		1053
1249	XRenderPictureAttributes pa;
1250
1251	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1054	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1252	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1055	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1253		1056
1254	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1057	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1255	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1058	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1256		1059
1257	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1060	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1258		1061
1259	XRenderFreePicture (dpy, src);	1062	XRenderFreePicture (dpy, src);
1260	XRenderFreePicture (dpy, dst);	1063	XRenderFreePicture (dpy, dst);
…		…
1277	bg_pmap_width = window_width;	1080	bg_pmap_width = window_width;
1278	bg_pmap_height = window_height;	1081	bg_pmap_height = window_height;
1279	}	1082	}
1280		1083
1281	/* straightforward pixmap copy */	1084	/* straightforward pixmap copy */
1282	while (sx < 0) sx += root_width;	1085	while (sx < 0) sx += root_pmap_width;
1283	while (sy < 0) sy += root_height;	1086	while (sy < 0) sy += root_pmap_height;
1284		1087
1285	gcv.tile = recoded_root_pmap;	1088	gcv.tile = recoded_root_pmap;
1286	gcv.fill_style = FillTiled;	1089	gcv.fill_style = FillTiled;
1287	gcv.ts_x_origin = -sx;	1090	gcv.ts_x_origin = -sx;
1288	gcv.ts_y_origin = -sy;	1091	gcv.ts_y_origin = -sy;
1289	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1092	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1290		1093
1291	if (gc)	1094	if (gc)
1292	{	1095	{
1293	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1096	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1294	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1097	ret = true;
1295	XFreeGC (dpy, gc);	1098	bool need_blur = h_blurRadius && v_blurRadius;
		1099	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1296		1100
1297	if (!(bg_flags & BG_CLIENT_RENDER))	1101	if (!(bg_flags & BG_CLIENT_RENDER))
1298	{	1102	{
1299	if ((bg_flags & BG_NEEDS_BLUR)	1103	if (need_blur)
1300	&& (bg_flags & BG_HAS_RENDER_CONV))
1301	{	1104	{
1302	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1105	if (blur_pixmap (bg_pixmap, window_width, window_height))
1303	result &= ~BG_NEEDS_BLUR;	1106	need_blur = false;
1304	}	1107	}
1305	if ((bg_flags & BG_NEEDS_TINT)	1108	if (need_tint)
1306	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1307	{	1109	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1110	if (tint_pixmap (bg_pixmap, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;	1111	need_tint = false;
		1112	}
		1113	if (need_tint)
		1114	{
		1115	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1116	if (ximage)
		1117	{
		1118	/* our own client-side tinting */
		1119	tint_ximage (ximage);
		1120
		1121	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1122	XDestroyImage (ximage);
		1123	}
1310	}	1124	}
1311	} /* server side rendering completed */	1125	} /* server side rendering completed */
		1126
		1127	XFreeGC (dpy, gc);
1312	}	1128	}
1313		1129
1314	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1315	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1316		1132
1317	return result;	1133	return ret;
1318	}	1134	}
1319		1135
1320	void	1136	void
1321	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1322	{	1138	{
…		…
1326		1142
1327	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1328	}	1144	}
1329	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1330		1146
1331	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1332	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1333	# endif
1334
1335	bool	1147	bool
1336	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1337	{	1149	{
1338	unsigned long tr_flags = 0;
1339
1340	bg_invalidate ();	1150	bg_invalidate ();
1341	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1342	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1343	{	1153	{
1344	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1345	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1346	if (tr_flags == 0)
1347	return false;
1348	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1349	}	1157	}
1350	# endif	1158	# endif
1351		1159
1352	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1353	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++)
1354	|| (tr_flags & BG_EFFECTS_FLAGS))
1355	{	1162	{
1356	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1357	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1358	}
1359	# endif
1360
1361	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1362	XImage *result = NULL;
1363
1364	if (tr_flags & BG_NEEDS_TINT)
1365	{
1366	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1367	}
1368
1369	if (result)
1370	{
1371	/* our own client-side tinting */
1372	//if (tr_flags & BG_NEEDS_TINT)
1373	if (1)
1374	{
1375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1376	if (bg_flags & BG_TINT_SET)
1377	tint.get (c);
1378	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1379	}
1380
1381	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1382
1383	if (gc)
1384	{
1385	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1386
1387	XFreeGC (dpy, gc);
1388	}
1389
1390	XDestroyImage (result);
1391	}	1165	}
1392	# endif	1166	# endif
1393		1167
1394	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1395	{	1169	{
…		…
1428	bg_flags |= BG_HAS_RENDER_CONV;	1202	bg_flags |= BG_HAS_RENDER_CONV;
1429		1203
1430	XFree (filters);	1204	XFree (filters);
1431	}	1205	}
1432	#endif	1206	#endif
		1207
		1208	#ifdef BG_IMAGE_FROM_FILE
		1209	if (rs[Rs_backgroundPixmap])
		1210	{
		1211	rxvt_image *image = new_image ();
		1212	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1213	image_vec.pop_back ();
		1214	}
		1215
		1216	# ifndef NO_RESOURCES
		1217	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1218	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1219	while (bg_image != image_vec.end ())
		1220	{
		1221	if (!(bg_image->flags & IM_IS_SET))
		1222	bg_image = image_vec.erase (bg_image);
		1223	else
		1224	{
		1225	if (bg_image->is_size_sensitive ())
		1226	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1227
		1228	bg_image++;
		1229	}
		1230	}
		1231	# endif
		1232
		1233	if (image_vec.size () > 0
		1234	&& !bg_window_position_sensitive ())
		1235	update_background ();
		1236	#endif
1433	}	1237	}
1434		1238
1435	#endif /* HAVE_BG_PIXMAP */	1239	#endif /* HAVE_BG_PIXMAP */
1436		1240
1437	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1241	#ifdef ENABLE_TRANSPARENCY
1438	/* based on code from aterm-0.4.2 */	1242	/* based on code from aterm-0.4.2 */
1439		1243
1440	static void	1244	static inline void
1441	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1245	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1442	{	1246	{
		1247	for (int i = 0; i <= mask >> sh; i++)
		1248	{
		1249	uint32_t tmp;
		1250	tmp = i * high;
		1251	tmp += (mask >> sh) * low;
		1252	lookup[i] = (tmp / 0xffff) << sh;
		1253	}
		1254	}
		1255
		1256	void
		1257	rxvt_term::tint_ximage (XImage *ximage)
		1258	{
		1259	unsigned int size_r, size_g, size_b;
1443	int sh_r, sh_g, sh_b;	1260	int sh_r, sh_g, sh_b;
1444	uint32_t mask_r, mask_g, mask_b;	1261	uint32_t mask_r, mask_g, mask_b;
1445	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1262	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1446	rgba low;	1263	unsigned short low;
1447	rgba high;
1448	int i;
1449	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1264	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1450		1265
1451	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1266	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1452		1267
1453	/* for convenience */	1268	/* for convenience */
1454	mask_r = visual->red_mask;	1269	mask_r = visual->red_mask;
1455	mask_g = visual->green_mask;	1270	mask_g = visual->green_mask;
1456	mask_b = visual->blue_mask;	1271	mask_b = visual->blue_mask;
1457		1272
1458	/* boring lookup table pre-initialization */	1273	/* boring lookup table pre-initialization */
1459	switch (ximage->depth)	1274	sh_r = ecb_ctz32 (mask_r);
1460	{	1275	sh_g = ecb_ctz32 (mask_g);
1461	case 15:	1276	sh_b = ecb_ctz32 (mask_b);
1462	if ((mask_r != 0x7c00) ||	1277
1463	(mask_g != 0x03e0) ||	1278	size_r = mask_r >> sh_r;
1464	(mask_b != 0x001f))	1279	size_g = mask_g >> sh_g;
		1280	size_b = mask_b >> sh_b;
		1281
		1282	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1465	return;	1283	return;
1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1284
		1285	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1467	lookup_r = lookup;	1286	lookup_r = lookup;
1468	lookup_g = lookup+32;	1287	lookup_g = lookup + size_r;
1469	lookup_b = lookup+32+32;	1288	lookup_b = lookup + size_r + size_g;
1470	sh_r = 10;	1289
1471	sh_g = 5;	1290	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1472	sh_b = 0;	1291
1473	break;	1292	if (bg_flags & BG_TINT_SET)
1474	case 16:	1293	tint.get (c);
1475	if ((mask_r != 0xf800) ||
1476	(mask_g != 0x07e0) ||
1477	(mask_b != 0x001f))
1478	return;
1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1480	lookup_r = lookup;
1481	lookup_g = lookup+32;
1482	lookup_b = lookup+32+64;
1483	sh_r = 11;
1484	sh_g = 5;
1485	sh_b = 0;
1486	break;
1487	case 24:
1488	if ((mask_r != 0xff0000) ||
1489	(mask_g != 0x00ff00) ||
1490	(mask_b != 0x0000ff))
1491	return;
1492	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1493	lookup_r = lookup;
1494	lookup_g = lookup+256;
1495	lookup_b = lookup+256+256;
1496	sh_r = 16;
1497	sh_g = 8;
1498	sh_b = 0;
1499	break;
1500	case 32:
1501	if ((mask_r != 0xff0000) ||
1502	(mask_g != 0x00ff00) ||
1503	(mask_b != 0x0000ff))
1504	return;
1505	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1506	lookup_r = lookup;
1507	lookup_g = lookup+256;
1508	lookup_b = lookup+256+256;
1509	sh_r = 16;
1510	sh_g = 8;
1511	sh_b = 0;
1512	break;
1513	default:
1514	return; /* we do not support this color depth */
1515	}
1516		1294
1517	/* prepare limits for color transformation (each channel is handled separately) */	1295	/* prepare limits for color transformation (each channel is handled separately) */
1518	if (shade > 100)	1296	if (shade > 100)
1519	{	1297	{
1520	shade = 200 - shade;
1521
1522	high.r = c.r * shade / 100;
1523	high.g = c.g * shade / 100;
1524	high.b = c.b * shade / 100;
1525
1526	low.r = 65535 * (100 - shade) / 100;	1298	c.r = c.r * (200 - shade) / 100;
1527	low.g = 65535 * (100 - shade) / 100;	1299	c.g = c.g * (200 - shade) / 100;
1528	low.b = 65535 * (100 - shade) / 100;	1300	c.b = c.b * (200 - shade) / 100;
		1301
		1302	low = 0xffff * (shade - 100) / 100;
1529	}	1303	}
1530	else	1304	else
1531	{	1305	{
1532	high.r = c.r * shade / 100;	1306	c.r = c.r * shade / 100;
1533	high.g = c.g * shade / 100;	1307	c.g = c.g * shade / 100;
1534	high.b = c.b * shade / 100;	1308	c.b = c.b * shade / 100;
1535		1309
1536	low.r = low.g = low.b = 0;	1310	low = 0;
1537	}	1311	}
1538		1312
1539	/* fill our lookup tables */	1313	/* fill our lookup tables */
1540	for (i = 0; i <= mask_r>>sh_r; i++)	1314	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1541	{	1315	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1542	uint32_t tmp;	1316	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1543	tmp = i * high.r;
1544	tmp += (mask_r>>sh_r) * low.r;
1545	lookup_r[i] = (tmp/65535)<<sh_r;
1546	}
1547	for (i = 0; i <= mask_g>>sh_g; i++)
1548	{
1549	uint32_t tmp;
1550	tmp = i * high.g;
1551	tmp += (mask_g>>sh_g) * low.g;
1552	lookup_g[i] = (tmp/65535)<<sh_g;
1553	}
1554	for (i = 0; i <= mask_b>>sh_b; i++)
1555	{
1556	uint32_t tmp;
1557	tmp = i * high.b;
1558	tmp += (mask_b>>sh_b) * low.b;
1559	lookup_b[i] = (tmp/65535)<<sh_b;
1560	}
1561		1317
1562	/* apply table to input image (replacing colors by newly calculated ones) */	1318	/* apply table to input image (replacing colors by newly calculated ones) */
1563	if (ximage->bits_per_pixel == 32	1319	if (ximage->bits_per_pixel == 32
1564	&& (ximage->depth == 24 || ximage->depth == 32)
1565	&& ximage->byte_order == host_byte_order)	1320	&& ximage->byte_order == host_byte_order)
1566	{	1321	{
1567	uint32_t *p1, *pf, *p, *pl;	1322	char *line = ximage->data;
1568	p1 = (uint32_t *) ximage->data;
1569	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1570		1323
1571	while (p1 < pf)	1324	for (int y = 0; y < ximage->height; y++)
1572	{	1325	{
1573	p = p1;	1326	uint32_t *p = (uint32_t *)line;
1574	pl = p1 + ximage->width;	1327	for (int x = 0; x < ximage->width; x++)
1575	for (; p < pl; p++)
1576	{	1328	{
1577	*p = lookup_r[(*p & 0xff0000) >> 16] |	1329	*p = lookup_r[(*p & mask_r) >> sh_r] |
1578	lookup_g[(*p & 0x00ff00) >> 8] |	1330	lookup_g[(*p & mask_g) >> sh_g] |
1579	lookup_b[(*p & 0x0000ff)] |	1331	lookup_b[(*p & mask_b) >> sh_b];
1580	(*p & 0xff000000);	1332	p++;
1581	}	1333	}
1582	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1334	line += ximage->bytes_per_line;
1583	}	1335	}
1584	}	1336	}
1585	else	1337	else
1586	{	1338	{
1587	for (int y = 0; y < ximage->height; y++)	1339	for (int y = 0; y < ximage->height; y++)
…		…
1595	}	1347	}
1596	}	1348	}
1597		1349
1598	free (lookup);	1350	free (lookup);
1599	}	1351	}
1600	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1352	#endif /* ENABLE_TRANSPARENCY */

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