[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.107 by sf-exg, Mon Nov 1 14:29:33 2010 UTC vs.
Revision 1.137 by sf-exg, Sat Jan 15 17:41:43 2011 UTC

…		…
24		24
25	#include <cmath>	25	#include <cmath>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#define DO_TIMING_TEST 0	29	#if XRENDER
		30	# include <X11/extensions/Xrender.h>
		31	#endif
30		32
31	#if DO_TIMING_TEST	33	#ifndef FilterConvolution
32	# include <sys/time.h>	34	#define FilterConvolution "convolution"
33	#define TIMING_TEST_START(id) \
34	struct timeval timing_test_##id##_stv; \
35	gettimeofday (&timing_test_##id##_stv, NULL);
36
37	#define TIMING_TEST_PRINT_RESULT(id) \
38	do { \
39	struct timeval tv; \
40	gettimeofday (&tv, NULL); \
41	tv.tv_sec -= (timing_test_##id##_stv).tv_sec; \
42	fprintf (stderr, "%s: %s: %d: elapsed %ld usec\n", #id, __FILE__, __LINE__, \
43	tv.tv_sec * 1000000 + tv.tv_usec - (timing_test_##id##_stv).tv_usec); \
44	} while (0)
45
46	#else
47	#define TIMING_TEST_START(id) do {} while (0)
48	#define TIMING_TEST_PRINT_RESULT(id) do {} while (0)
49	#endif	35	#endif
50		36
51	/*	37	/*
52	* Pixmap geometry string interpretation :	38	* Pixmap geometry string interpretation :
53	* Each geometry string contains zero or one scale/position	39	* Each geometry string contains zero or one scale/position
…		…
58	*	44	*
59	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.	45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
60	* W and H are percentages of the terminal window size.	46	* W and H are percentages of the terminal window size.
61	* X and Y are also percentages; e.g., +50+50 centers	47	* X and Y are also percentages; e.g., +50+50 centers
62	* the image in the window.	48	* the image in the window.
63	* WxH+X Assumes Y == X
64	* WxH Assumes Y == X == 50 (centers the image)
65	* W+X+Y Assumes H == W
66	* W+X Assumes H == W and Y == X
67	* W Assumes H == W and Y == X == 50
68	*
69	* Adjusting position only :
70	* =+X+Y Set position to X% by Y% (absolute).
71	* =+X Set position to X% by X%.
72	* +X+Y Adjust position horizontally X% and vertically Y%
73	* from current position (relative).
74	* +X Adjust position horizontally X% and vertically X%
75	* from current position.
76	*
77	* Adjusting scale only :
78	* Wx0 Multiply horizontal scaling factor by W%
79	* 0xH Multiply vertical scaling factor by H%
80	* 0x0 No scaling (show image at normal size).
81	*	49	*
82	* Pixmap Operations : (should be prepended by a colon)	50	* Pixmap Operations : (should be prepended by a colon)
83	* tile Tile image. Scaling/position modifiers above will affect	51	* tile Tile image. Scaling/position modifiers above will affect
84	* the tile size and origin.	52	* the tile size and origin.
85	* propscale When scaling, scale proportionally. That is, maintain the	53	* propscale When scaling, scale proportionally. That is, maintain the
…		…
111	#ifdef ENABLE_TRANSPARENCY	79	#ifdef ENABLE_TRANSPARENCY
112	shade = 100;	80	shade = 100;
113	#endif	81	#endif
114	flags = 0;	82	flags = 0;
115	pixmap = None;	83	pixmap = None;
116	valid_since = invalid_since = 0;	84	valid_since = 0;
117	target = 0;	85	target = 0;
		86	target_x = target_y = 0;
118	}	87	}
119		88
120	void	89	void
121	bgPixmap_t::destroy ()	90	bgPixmap_t::destroy ()
122	{	91	{
…		…
133	if (pixmap && target)	102	if (pixmap && target)
134	XFreePixmap (target->dpy, pixmap);	103	XFreePixmap (target->dpy, pixmap);
135	}	104	}
136		105
137	bool	106	bool
		107	bgPixmap_t::set_position (int x, int y)
		108	{
		109
		110	if (target_x != x
		111	\|\| target_y != y)
		112	{
		113	target_x = x;
		114	target_y = y;
		115	return true;
		116	}
		117	return false;
		118	}
		119
		120	bool
138	bgPixmap_t::window_size_sensitive ()	121	bgPixmap_t::window_size_sensitive ()
139	{	122	{
140	# ifdef ENABLE_TRANSPARENCY	123	# ifdef ENABLE_TRANSPARENCY
141	if (flags & isTransparent)	124	if (flags & isTransparent)
142	return true;	125	return true;
…		…
167	if (flags & rootAlign)	150	if (flags & rootAlign)
168	return true;	151	return true;
169	}	152	}
170	# endif	153	# endif
171		154
172	return false;
173	};
174
175	bool bgPixmap_t::need_client_side_rendering ()
176	{
177	# ifdef HAVE_AFTERIMAGE
178	if (original_asim)
179	return true;
180	# endif
181	return false;	155	return false;
182	}	156	}
183		157
184	# ifdef BG_IMAGE_FROM_FILE	158	# ifdef BG_IMAGE_FROM_FILE
185	static inline bool	159	static inline bool
…		…
248	dst_size = target_size - dst_pos;	222	dst_size = target_size - dst_pos;
249	return src_pos;	223	return src_pos;
250	}	224	}
251		225
252	bool	226	bool
253	bgPixmap_t::set_geometry (const char *geom)	227	bgPixmap_t::set_geometry (const char *geom, bool update)
254	{	228	{
		229	bool changed = false;
255	int geom_flags = 0, changed = 0;	230	int geom_flags = 0;
256	int x = 0, y = 0;	231	int x = 0, y = 0;
257	unsigned int w = 0, h = 0;	232	unsigned int w = 0, h = 0;
258	unsigned int n;	233	unsigned int n;
259	unsigned long new_flags = (flags & (~geometryFlags));	234	unsigned long new_flags = (flags & (~geometryFlags));
260	const char *p;	235	const char *ops;
261	# define MAXLEN_GEOM 256 /* could be longer than regular geometry string */
262		236
263	if (geom == NULL)	237	if (geom == NULL)
264	return false;	238	return false;
265		239
266	char str[MAXLEN_GEOM];	240	char str[256];
267		241
268	while (isspace(*geom)) ++geom;
269	if ((p = strchr (geom, ';')) == NULL)
270	p = strchr (geom, '\0');	242	ops = strchr (geom, ':');
271		243	if (ops == NULL)
		244	n = strlen (geom);
		245	else
272	n = (p - geom);	246	n = ops - geom;
273	if (n < MAXLEN_GEOM)
274	{
275	char *ops;
276	new_flags \|= geometrySet;
277		247
		248	if (n >= sizeof (str))
		249	return false;
		250
278	memcpy (str, geom, n);	251	memcpy (str, geom, n);
279	str[n] = '\0';	252	str[n] = '\0';
280	if (str[0] == ':')	253	rxvt_strtrim (str);
281	ops = &str[0];
282	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
283	ops = &str[0];
284	else
285	{
286	char *tmp;
287	ops = strchr (str, ':');
288	if (ops != NULL)
289	{
290	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
291	*(++tmp) = '\0';
292	if (ops == tmp) ++ops;
293	}
294	}
295		254
296	if (ops > str \|\| ops == NULL)	255	if (str[0])
297	{	256	{
298	/* we have geometry string - let's handle it prior to applying ops */	257	/* we have geometry string - let's handle it prior to applying ops */
299	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	258	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
300
301	if ((geom_flags & XValue) && !(geom_flags & YValue))
302	{
303	y = x;
304	geom_flags \|= YValue;
305	}
306
307	if (flags & geometrySet)
308	{
309	/* new geometry is an adjustment to the old one ! */
310	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
311	{
312	if (w == 0 && h != 0)
313	{
314	w = h_scale;
315	h = (v_scale * h) / 100;
316	}
317	else if (h == 0 && w != 0)
318	{
319	w = (h_scale * w) / 100;
320	h = v_scale;
321	}
322	}
323	if (geom_flags & XValue)
324	{
325	if (str[0] != '=')
326	{
327	y += v_align;
328	x += h_align;
329	}
330	}
331	}
332	else /* setting up geometry from scratch */
333	{
334	if (!(geom_flags & XValue))
335	{
336	/* use default geometry - centered */
337	x = y = defaultAlign;
338	}
339	else if (!(geom_flags & YValue))
340	y = x;
341
342	if ((geom_flags & (WidthValue\|HeightValue)) == 0)
343	{
344	/* use default geometry - scaled */
345	w = h = defaultScale;
346	}
347	else if (geom_flags & WidthValue)
348	{
349	if (!(geom_flags & HeightValue))
350	h = w;
351	}
352	else
353	w = h;
354	}
355	} /* done parsing geometry string */	259	} /* done parsing geometry string */
356	else if (!(flags & geometrySet))	260
357	{	261	if (!update)
358	/* default geometry - scaled and centered */	262	{
		263	if (!(geom_flags & XValue))
359	x = y = defaultAlign;	264	x = y = defaultAlign;
		265	else if (!(geom_flags & YValue))
		266	y = x;
		267
		268	if (!(geom_flags & (WidthValue\|HeightValue)))
360	w = h = defaultScale;	269	w = h = defaultScale;
361	}	270	else if (!(geom_flags & HeightValue))
		271	h = w;
		272	else if (!(geom_flags & WidthValue))
		273	w = h;
362		274
363	if (!(flags & geometrySet))
364	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	275	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
		276	}
365		277
366	if (ops)	278	if (ops)
367	{	279	{
368	while (*ops)	280	char **arr = rxvt_strsplit (':', ops + 1);
		281
		282	for (int i = 0; arr[i]; i++)
369	{	283	{
370	while (ops == ':' \|\| isspace(ops)) ++ops;	284	if (!strcasecmp (arr[i], "tile"))
371
372	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof (op_str) - 1) == 0)
373	if (CHECK_GEOM_OPS ("tile"))
374	{	285	{
375	w = h = noScale;	286	w = h = noScale;
376	geom_flags \|= WidthValue\|HeightValue;	287	geom_flags \|= WidthValue\|HeightValue;
377	}	288	}
378	else if (CHECK_GEOM_OPS ("propscale"))	289	else if (!strcasecmp (arr[i], "propscale"))
379	{	290	{
380	new_flags \|= propScale;	291	new_flags \|= propScale;
381	}	292	}
382	else if (CHECK_GEOM_OPS ("hscale"))	293	else if (!strcasecmp (arr[i], "hscale"))
383	{	294	{
384	if (w == 0) w = windowScale;	295	if (w == 0) w = windowScale;
385		296
386	h = noScale;	297	h = noScale;
387	geom_flags \|= WidthValue\|HeightValue;	298	geom_flags \|= WidthValue\|HeightValue;
388	}	299	}
389	else if (CHECK_GEOM_OPS ("vscale"))	300	else if (!strcasecmp (arr[i], "vscale"))
390	{	301	{
391	if (h == 0) h = windowScale;	302	if (h == 0) h = windowScale;
392		303
393	w = noScale;	304	w = noScale;
394	geom_flags \|= WidthValue\|HeightValue;	305	geom_flags \|= WidthValue\|HeightValue;
395	}	306	}
396	else if (CHECK_GEOM_OPS ("scale"))	307	else if (!strcasecmp (arr[i], "scale"))
397	{	308	{
398	if (h == 0) h = windowScale;	309	if (h == 0) h = windowScale;
399	if (w == 0) w = windowScale;	310	if (w == 0) w = windowScale;
400		311
401	geom_flags \|= WidthValue\|HeightValue;	312	geom_flags \|= WidthValue\|HeightValue;
402	}	313	}
403	else if (CHECK_GEOM_OPS ("auto"))	314	else if (!strcasecmp (arr[i], "auto"))
404	{	315	{
405	w = h = windowScale;	316	w = h = windowScale;
406	x = y = centerAlign;	317	x = y = centerAlign;
407	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	318	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
408	}	319	}
409	else if (CHECK_GEOM_OPS ("root"))	320	else if (!strcasecmp (arr[i], "root"))
410	{	321	{
411	new_flags \|= rootAlign;	322	new_flags \|= rootAlign;
412	w = h = noScale;	323	w = h = noScale;
413	geom_flags \|= WidthValue\|HeightValue;	324	geom_flags \|= WidthValue\|HeightValue;
414	}	325	}
415	# undef CHECK_GEOM_OPS
416
417	while (ops != ':' && ops != '\0') ++ops;
418	} /* done parsing ops */	326	} /* done parsing ops */
419	}
420		327
		328	rxvt_free_strsplit (arr);
		329	}
		330
421	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) ++changed;	331	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
422	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) ++changed;	332	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
423	if (check_set_align_value (geom_flags, XValue, h_align, x)) ++changed;	333	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
424	if (check_set_align_value (geom_flags, YValue, v_align, y)) ++changed;	334	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
425	}
426		335
427	if (new_flags != flags)	336	if (new_flags != flags)
428	{	337	{
429	flags = new_flags;	338	flags = new_flags;
430	changed++;	339	changed = true;
431	}	340	}
432		341
433	return (changed > 0);	342	return changed;
434	}	343	}
435		344
436	void	345	void
437	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	346	bgPixmap_t::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
438	{	347	{
…		…
455	if (!w) w = image_width;	364	if (!w) w = image_width;
456	if (!h) h = image_height;	365	if (!h) h = image_height;
457		366
458	if (flags & rootAlign)	367	if (flags & rootAlign)
459	{	368	{
460	target->get_window_origin (x, y);
461	x = -x;	369	x = -target_x;
462	y = -y;	370	y = -target_y;
463	}	371	}
464	else	372	else
465	{	373	{
466	x = make_align_position (h_align, target_width, w);	374	x = make_align_position (h_align, target_width, w);
467	y = make_align_position (v_align, target_height, h);	375	y = make_align_position (v_align, target_height, h);
…		…
661	if (result)	569	if (result)
662	{	570	{
663	XGCValues gcv;	571	XGCValues gcv;
664	GC gc;	572	GC gc;
665		573
666	if (pixmap)
667	{
668	if (pmap_width != new_pmap_width
669	\|\| pmap_height != new_pmap_height
670	\|\| pmap_depth != target->depth)
671	{
672	XFreePixmap (target->dpy, pixmap);
673	pixmap = None;
674	}
675	}
676
677	/* create Pixmap */	574	/* create Pixmap */
678	if (pixmap == None)	575	if (pixmap == None
		576	\|\| pmap_width != new_pmap_width
		577	\|\| pmap_height != new_pmap_height)
679	{	578	{
		579	if (pixmap)
		580	XFreePixmap (target->dpy, pixmap);
680	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	581	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
681	pmap_width = new_pmap_width;	582	pmap_width = new_pmap_width;
682	pmap_height = new_pmap_height;	583	pmap_height = new_pmap_height;
683	pmap_depth = target->depth;
684	}	584	}
685	/* fill with background color (if result's not completely overlapping it) */	585	/* fill with background color (if result's not completely overlapping it) */
686	gcv.foreground = target->pix_colors[Color_bg];	586	gcv.foreground = target->pix_colors[Color_bg];
687	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	587	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
688		588
…		…
721	}	621	}
722	# endif /* HAVE_AFTERIMAGE */	622	# endif /* HAVE_AFTERIMAGE */
723		623
724	# ifdef HAVE_PIXBUF	624	# ifdef HAVE_PIXBUF
725	bool	625	bool
		626	bgPixmap_t::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		627	int src_x, int src_y, int dst_x, int dst_y,
		628	unsigned int width, unsigned int height)
		629	{
		630	XImage *ximage;
		631	char data, line;
		632	int bytes_per_pixel;
		633	int width_r, width_g, width_b;
		634	int sh_r, sh_g, sh_b;
		635	int rowstride;
		636	int channels;
		637	unsigned char *row;
		638	Visual *visual = target->visual;
		639	int depth = target->depth;
		640
		641	if (visual->c_class != TrueColor)
		642	return false;
		643
		644	if (depth == 24 \|\| depth == 32)
		645	bytes_per_pixel = 4;
		646	else if (depth == 15 \|\| depth == 16)
		647	bytes_per_pixel = 2;
		648	else
		649	return false;
		650
		651	width_r = rxvt_popcount (visual->red_mask);
		652	width_g = rxvt_popcount (visual->green_mask);
		653	width_b = rxvt_popcount (visual->blue_mask);
		654
		655	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)
		656	return false;
		657
		658	sh_r = rxvt_ctz (visual->red_mask);
		659	sh_g = rxvt_ctz (visual->green_mask);
		660	sh_b = rxvt_ctz (visual->blue_mask);
		661
		662	if (width > INT_MAX / height / bytes_per_pixel)
		663	return false;
		664
		665	data = (char )malloc (width height * bytes_per_pixel);
		666	if (!data)
		667	return false;
		668
		669	ximage = XCreateImage (target->dpy, visual, depth, ZPixmap, 0, data,
		670	width, height, bytes_per_pixel * 8, 0);
		671	if (!ximage)
		672	{
		673	free (data);
		674	return false;
		675	}
		676
		677	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
		678
		679	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		680	channels = gdk_pixbuf_get_n_channels (pixbuf);
		681	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		682	line = data;
		683
		684	for (int y = 0; y < height; y++)
		685	{
		686	for (int x = 0; x < width; x++)
		687	{
		688	unsigned char pixel = row + x channels;
		689	uint32_t value;
		690
		691	value = ((pixel[0] >> (8 - width_r)) << sh_r)
		692	\| ((pixel[1] >> (8 - width_g)) << sh_g)
		693	\| ((pixel[2] >> (8 - width_b)) << sh_b);
		694
		695	if (bytes_per_pixel == 4)
		696	((uint32_t *)line)[x] = value;
		697	else
		698	((uint16_t *)line)[x] = value;
		699	}
		700
		701	row += rowstride;
		702	line += ximage->bytes_per_line;
		703	}
		704
		705	XPutImage (target->dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		706	XDestroyImage (ximage);
		707	return true;
		708	}
		709
		710	bool
726	bgPixmap_t::render_image (unsigned long background_flags)	711	bgPixmap_t::render_image (unsigned long background_flags)
727	{	712	{
728	if (target == NULL)	713	if (target == NULL)
729	return false;	714	return false;
730		715
731	if (!pixbuf)	716	if (!pixbuf)
732	return false;	717	return false;
733		718
734	#if !XRENDER
735	if (background_flags)	719	if (background_flags
		720	&& !(flags & HAS_RENDER))
736	return false;	721	return false;
737	#endif
738		722
739	GdkPixbuf *result;	723	GdkPixbuf *result;
740		724
741	int image_width = gdk_pixbuf_get_width (pixbuf);	725	int image_width = gdk_pixbuf_get_width (pixbuf);
742	int image_height = gdk_pixbuf_get_height (pixbuf);	726	int image_height = gdk_pixbuf_get_height (pixbuf);
…		…
793	new_pmap_width = min (image_width, target_width);	777	new_pmap_width = min (image_width, target_width);
794	new_pmap_height = min (image_height, target_height);	778	new_pmap_height = min (image_height, target_height);
795	}	779	}
796	}	780	}
797		781
798	if (pixmap)
799	{
800	if (pmap_width != new_pmap_width
801	\|\| pmap_height != new_pmap_height
802	\|\| pmap_depth != target->depth)
803	{
804	XFreePixmap (target->dpy, pixmap);
805	pixmap = None;
806	}
807	}
808
809	if (pixmap == None)	782	if (pixmap == None
		783	\|\| pmap_width != new_pmap_width
		784	\|\| pmap_height != new_pmap_height)
810	{	785	{
		786	if (pixmap)
		787	XFreePixmap (target->dpy, pixmap);
811	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);	788	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
812	pmap_width = new_pmap_width;	789	pmap_width = new_pmap_width;
813	pmap_height = new_pmap_height;	790	pmap_height = new_pmap_height;
814	pmap_depth = target->depth;
815	}	791	}
816		792
817	gcv.foreground = target->pix_colors[Color_bg];	793	gcv.foreground = target->pix_colors[Color_bg];
818	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);	794	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
819		795
820	if (h_scale == 0 \|\| v_scale == 0)	796	if (h_scale == 0 \|\| v_scale == 0)
821	{	797	{
822	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);	798	Pixmap tile = XCreatePixmap (target->dpy, target->vt, image_width, image_height, target->depth);
823	gdk_pixbuf_xlib_render_to_drawable (result, tile, gc,	799	pixbuf_to_pixmap (result, tile, gc,
824	0, 0,	800	0, 0,
825	0, 0,	801	0, 0,
826	image_width, image_height,	802	image_width, image_height);
827	XLIB_RGB_DITHER_NONE,
828	0, 0);
829		803
830	gcv.tile = tile;	804	gcv.tile = tile;
831	gcv.fill_style = FillTiled;	805	gcv.fill_style = FillTiled;
832	gcv.ts_x_origin = x;	806	gcv.ts_x_origin = x;
833	gcv.ts_y_origin = y;	807	gcv.ts_y_origin = y;
…		…
848	\|\| dst_x + dst_width < new_pmap_width	822	\|\| dst_x + dst_width < new_pmap_width
849	\|\| dst_y + dst_height < new_pmap_height)	823	\|\| dst_y + dst_height < new_pmap_height)
850	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	824	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
851		825
852	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	826	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
853	gdk_pixbuf_xlib_render_to_drawable (result, pixmap, gc,	827	pixbuf_to_pixmap (result, pixmap, gc,
854	src_x, src_y,	828	src_x, src_y,
855	dst_x, dst_y,	829	dst_x, dst_y,
856	dst_width, dst_height,	830	dst_width, dst_height);
857	XLIB_RGB_DITHER_NONE,
858	0, 0);
859	}	831	}
860		832
861	#if XRENDER	833	#if XRENDER
862	if (background_flags)	834	if (background_flags)
863	{	835	{
…		…
930	if (image)	902	if (image)
931	{	903	{
932	if (original_asim)	904	if (original_asim)
933	safe_asimage_destroy (original_asim);	905	safe_asimage_destroy (original_asim);
934	original_asim = image;	906	original_asim = image;
		907	flags \|= CLIENT_RENDER;
935	have_image = true;	908	have_image = true;
936	return true;	909	return true;
937	}	910	}
938	# endif	911	# endif
939		912
…		…
968	}	941	}
969		942
970	bool	943	bool
971	bgPixmap_t::set_blur_radius (const char *geom)	944	bgPixmap_t::set_blur_radius (const char *geom)
972	{	945	{
973	int changed = 0;	946	bool changed = false;
974	unsigned int hr, vr;	947	unsigned int hr, vr;
975	int junk;	948	int junk;
976	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	949	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
977		950
978	if (!(geom_flags & WidthValue))	951	if (!(geom_flags & WidthValue))
…		…
983	min_it (hr, 128);	956	min_it (hr, 128);
984	min_it (vr, 128);	957	min_it (vr, 128);
985		958
986	if (h_blurRadius != hr)	959	if (h_blurRadius != hr)
987	{	960	{
988	++changed;	961	changed = true;
989	h_blurRadius = hr;	962	h_blurRadius = hr;
990	}	963	}
991		964
992	if (v_blurRadius != vr)	965	if (v_blurRadius != vr)
993	{	966	{
994	++changed;	967	changed = true;
995	v_blurRadius = vr;	968	v_blurRadius = vr;
996	}	969	}
997		970
998	if (v_blurRadius == 0 && h_blurRadius == 0)	971	if (v_blurRadius == 0 && h_blurRadius == 0)
999	flags &= ~blurNeeded;	972	flags &= ~blurNeeded;
1000	else	973	else
1001	flags \|= blurNeeded;	974	flags \|= blurNeeded;
1002		975
1003	#if XRENDER
1004	XFilters *filters = XRenderQueryFilters (target->dpy, target->vt);
1005	if (filters)
1006	{
1007	for (int i = 0; i < filters->nfilter; i++)
1008	if (!strcmp (filters->filter[i], FilterConvolution))
1009	flags \|= bgPixmap_t::blurServerSide;
1010
1011	XFree (filters);
1012	}
1013	#endif
1014
1015	return (changed > 0);	976	return changed;
1016	}	977	}
1017		978
1018	static inline unsigned long	979	static inline unsigned long
1019	compute_tint_shade_flags (rxvt_color *tint, int shade)	980	compute_tint_shade_flags (rxvt_color *tint, int shade)
1020	{	981	{
…		…
1023	bool has_shade = shade != 100;	984	bool has_shade = shade != 100;
1024		985
1025	if (tint)	986	if (tint)
1026	{	987	{
1027	tint->get (c);	988	tint->get (c);
1028	# define IS_COMPONENT_WHOLESOME(cmp) ((cmp) <= 0x000700 \|\| (cmp) >= 0x00f700)	989	if (!has_shade
1029	if (!has_shade && IS_COMPONENT_WHOLESOME (c.r)	990	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
1030	&& IS_COMPONENT_WHOLESOME (c.g)	991	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
1031	&& IS_COMPONENT_WHOLESOME (c.b))	992	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
1032	flags \|= bgPixmap_t::tintWholesome;	993	flags \|= bgPixmap_t::tintWholesome;
1033	# undef IS_COMPONENT_WHOLESOME
1034	}	994	}
1035		995
1036	if (has_shade)	996	if (has_shade \|\| tint)
1037	flags \|= bgPixmap_t::tintNeeded;	997	flags \|= bgPixmap_t::tintNeeded;
1038	else if (tint)
1039	{
1040	if ((c.r > 0x000700 \|\| c.g > 0x000700 \|\| c.b > 0x000700)
1041	&& (c.r < 0x00f700 \|\| c.g < 0x00f700 \|\| c.b < 0x00f700))
1042	{
1043	flags \|= bgPixmap_t::tintNeeded;
1044	}
1045	}
1046
1047	if (flags & bgPixmap_t::tintNeeded)
1048	{
1049	if (flags & bgPixmap_t::tintWholesome)
1050	flags \|= bgPixmap_t::tintServerSide;
1051	else
1052	{
1053	#if XRENDER
1054	flags \|= bgPixmap_t::tintServerSide;
1055	#endif
1056	}
1057	}
1058		998
1059	return flags;	999	return flags;
1060	}	1000	}
1061		1001
1062	bool	1002	bool
…		…
1065	if (!(flags & tintSet) \|\| tint != new_tint)	1005	if (!(flags & tintSet) \|\| tint != new_tint)
1066	{	1006	{
1067	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);	1007	unsigned long new_flags = compute_tint_shade_flags (&new_tint, shade);
1068	tint = new_tint;	1008	tint = new_tint;
1069	flags = (flags & ~tintFlags) \| new_flags \| tintSet;	1009	flags = (flags & ~tintFlags) \| new_flags \| tintSet;
1070	return true;
1071	}
1072
1073	return false;
1074	}
1075
1076	bool
1077	bgPixmap_t::unset_tint ()
1078	{
1079	unsigned long new_flags = compute_tint_shade_flags (NULL, shade);
1080
1081	if (new_flags != (flags & tintFlags))
1082	{
1083	flags = (flags & ~tintFlags) \| new_flags;
1084	return true;	1010	return true;
1085	}	1011	}
1086		1012
1087	return false;	1013	return false;
1088	}	1014	}
…		…
1233	c.g = (c.g * shade) / 100;	1159	c.g = (c.g * shade) / 100;
1234	c.b = (c.b * shade) / 100;	1160	c.b = (c.b * shade) / 100;
1235	}	1161	}
1236	else	1162	else
1237	{	1163	{
1238	c.r = ((0xffff - c.r) * (200 - shade)) / 100;	1164	c.r = (c.r * (200 - shade)) / 100;
1239	c.g = ((0xffff - c.g) * (200 - shade)) / 100;	1165	c.g = (c.g * (200 - shade)) / 100;
1240	c.b = ((0xffff - c.b) * (200 - shade)) / 100;	1166	c.b = (c.b * (200 - shade)) / 100;
1241	}	1167	}
1242		1168
1243	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	1169	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1244	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	1170	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1245	XRenderPictureAttributes pa;	1171	XRenderPictureAttributes pa;
…		…
1259		1185
1260	if (mask_pic && overlay_pic && back_pic)	1186	if (mask_pic && overlay_pic && back_pic)
1261	{	1187	{
1262	XRenderColor mask_c;	1188	XRenderColor mask_c;
1263		1189
1264	memset (&mask_c, (shade > 100) ? 0xFF : 0x0, sizeof (mask_c));	1190	mask_c.red = mask_c.green = mask_c.blue = 0;
1265	mask_c.alpha = 0xffff;	1191	mask_c.alpha = 0xffff;
1266	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	1192	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1267		1193
1268	mask_c.alpha = 0;	1194	mask_c.alpha = 0;
1269	mask_c.red = 0xffff - c.r;	1195	mask_c.red = 0xffff - c.r;
1270	mask_c.green = 0xffff - c.g;	1196	mask_c.green = 0xffff - c.g;
1271	mask_c.blue = 0xffff - c.b;	1197	mask_c.blue = 0xffff - c.b;
1272	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	1198	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1273	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	1199	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1200
		1201	if (shade > 100)
		1202	{
		1203	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
		1204	mask_c.alpha = 0;
		1205	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		1206
		1207	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		1208	}
		1209
1274	ret = true;	1210	ret = true;
1275	}	1211	}
1276		1212
1277	XRenderFreePicture (dpy, mask_pic);	1213	XRenderFreePicture (dpy, mask_pic);
1278	XRenderFreePicture (dpy, overlay_pic);	1214	XRenderFreePicture (dpy, overlay_pic);
…		…
1309	int window_height = target->szHint.height;	1245	int window_height = target->szHint.height;
1310	int sx, sy;	1246	int sx, sy;
1311	XGCValues gcv;	1247	XGCValues gcv;
1312	GC gc;	1248	GC gc;
1313		1249
1314	target->get_window_origin (sx, sy);	1250	sx = target_x;
		1251	sy = target_y;
1315		1252
1316	/* check if we are outside of the visible part of the virtual screen : */	1253	/* check if we are outside of the visible part of the virtual screen : */
1317	if (sx + window_width <= 0 \|\| sy + window_height <= 0	1254	if (sx + window_width <= 0 \|\| sy + window_height <= 0
1318	\|\| sx >= root_width \|\| sy >= root_height)	1255	\|\| sx >= root_width \|\| sy >= root_height)
1319	return 0;	1256	return 0;
…		…
1336	Pixmap recoded_root_pmap = root_pixmap;	1273	Pixmap recoded_root_pmap = root_pixmap;
1337		1274
1338	if (root_pixmap != None && root_depth != target->depth)	1275	if (root_pixmap != None && root_depth != target->depth)
1339	{	1276	{
1340	#if XRENDER	1277	#if XRENDER
		1278	if (flags & HAS_RENDER)
		1279	{
1341	XRenderPictureAttributes pa;	1280	XRenderPictureAttributes pa;
1342		1281
1343	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1282	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1344	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1283	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);
1345		1284
1346	recoded_root_pmap = XCreatePixmap (dpy, target->vt, root_pmap_width, root_pmap_height, target->depth);	1285	recoded_root_pmap = XCreatePixmap (dpy, target->vt, root_pmap_width, root_pmap_height, target->depth);
1347	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);	1286	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, target->visual);
1348	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1287	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);
1349		1288
1350	if (src && dst)	1289	if (src && dst)
1351	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1290	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
		1291	else
		1292	{
		1293	XFreePixmap (dpy, recoded_root_pmap);
		1294	root_pixmap = None;
		1295	}
		1296
		1297	XRenderFreePicture (dpy, src);
		1298	XRenderFreePicture (dpy, dst);
		1299	}
1352	else	1300	else
1353	{	1301	#endif
1354	XFreePixmap (dpy, recoded_root_pmap);
1355	root_pixmap = None;
1356	}
1357
1358	XRenderFreePicture (dpy, src);
1359	XRenderFreePicture (dpy, dst);
1360	#else
1361	root_pixmap = None;	1302	root_pixmap = None;
1362	#endif
1363	}	1303	}
1364		1304
1365	if (root_pixmap == None)	1305	if (root_pixmap == None)
1366	return 0;	1306	return 0;
1367		1307
		1308	if (pixmap == None
		1309	\|\| pmap_width != window_width
		1310	\|\| pmap_height != window_height)
		1311	{
		1312	if (pixmap)
		1313	XFreePixmap (target->dpy, pixmap);
1368	Pixmap tiled_root_pmap = XCreatePixmap (dpy, target->vt, window_width, window_height, target->depth);	1314	pixmap = XCreatePixmap (target->dpy, target->vt, window_width, window_height, target->depth);
		1315	pmap_width = window_width;
		1316	pmap_height = window_height;
		1317	}
1369		1318
1370	if (tiled_root_pmap == None) /* something really bad happened - abort */	1319	if (pixmap == None)
1371	return 0;	1320	return 0;
1372		1321
1373	/* straightforward pixmap copy */	1322	/* straightforward pixmap copy */
		1323	while (sx < 0) sx += (int)root_width;
		1324	while (sy < 0) sy += (int)root_height;
		1325
1374	gcv.tile = recoded_root_pmap;	1326	gcv.tile = recoded_root_pmap;
1375	gcv.fill_style = FillTiled;	1327	gcv.fill_style = FillTiled;
1376
1377	while (sx < 0) sx += (int)root_width;
1378	while (sy < 0) sy += (int)root_height;
1379
1380	gcv.ts_x_origin = -sx;	1328	gcv.ts_x_origin = -sx;
1381	gcv.ts_y_origin = -sy;	1329	gcv.ts_y_origin = -sy;
1382	gc = XCreateGC (dpy, target->vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1330	gc = XCreateGC (dpy, target->vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1383		1331
1384	if (gc)	1332	if (gc)
1385	{	1333	{
1386	XFillRectangle (dpy, tiled_root_pmap, gc, 0, 0, window_width, window_height);	1334	XFillRectangle (dpy, pixmap, gc, 0, 0, window_width, window_height);
1387	result \|= transpPmapTiled;	1335	result \|= transpPmapTiled;
1388	XFreeGC (dpy, gc);	1336	XFreeGC (dpy, gc);
1389	}
1390		1337
1391	if (tiled_root_pmap != None)	1338	if (!(flags & CLIENT_RENDER))
1392	{
1393	if (!need_client_side_rendering ())
1394	{	1339	{
1395	if ((flags & blurNeeded)	1340	if ((flags & blurNeeded)
1396	&& (flags & blurServerSide))	1341	&& (flags & HAS_RENDER_CONV))
1397	{	1342	{
1398	if (blur_pixmap (tiled_root_pmap, target->visual, window_width, window_height))	1343	if (blur_pixmap (pixmap, target->visual, window_width, window_height))
1399	result \|= transpPmapBlurred;	1344	result \|= transpPmapBlurred;
1400	}	1345	}
1401	if ((flags & tintNeeded)	1346	if ((flags & tintNeeded)
1402	&& (flags & tintServerSide))	1347	&& (flags & (tintWholesome \| HAS_RENDER)))
1403	{	1348	{
1404	if (tint_pixmap (tiled_root_pmap, target->visual, window_width, window_height))	1349	if (tint_pixmap (pixmap, target->visual, window_width, window_height))
1405	result \|= transpPmapTinted;	1350	result \|= transpPmapTinted;
1406	}	1351	}
1407	} /* server side rendering completed */	1352	} /* server side rendering completed */
1408
1409	if (pixmap)
1410	XFreePixmap (dpy, pixmap);
1411
1412	pixmap = tiled_root_pmap;
1413	pmap_width = window_width;
1414	pmap_height = window_height;
1415	pmap_depth = target->depth;
1416	}	1353	}
1417		1354
1418	if (recoded_root_pmap != root_pixmap)	1355	if (recoded_root_pmap != root_pixmap)
1419	XFreePixmap (dpy, recoded_root_pmap);	1356	XFreePixmap (dpy, recoded_root_pmap);
1420		1357
…		…
1422	}	1359	}
1423		1360
1424	void	1361	void
1425	bgPixmap_t::set_root_pixmap ()	1362	bgPixmap_t::set_root_pixmap ()
1426	{	1363	{
1427	Pixmap new_root_pixmap = target->get_pixmap_property (XA_XROOTPMAP_ID);	1364	Pixmap new_root_pixmap = target->get_pixmap_property (target->xa[XA_XROOTPMAP_ID]);
1428	if (new_root_pixmap == None)	1365	if (new_root_pixmap == None)
1429	new_root_pixmap = target->get_pixmap_property (XA_ESETROOT_PMAP_ID);	1366	new_root_pixmap = target->get_pixmap_property (target->xa[XA_ESETROOT_PMAP_ID]);
1430		1367
1431	root_pixmap = new_root_pixmap;	1368	root_pixmap = new_root_pixmap;
1432	}	1369	}
1433	# endif /* ENABLE_TRANSPARENCY */	1370	# endif /* ENABLE_TRANSPARENCY */
1434		1371
1435	# ifndef HAVE_AFTERIMAGE	1372	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1436	static void ShadeXImage(Visual visual, XImage srcImage, int shade, int rm, int gm, int bm);	1373	static void shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c);
1437	# endif	1374	# endif
1438		1375
1439	bool	1376	bool
1440	bgPixmap_t::render ()	1377	bgPixmap_t::render ()
1441	{	1378	{
…		…
1451	/* we need to re-generate transparency pixmap in that case ! */	1388	/* we need to re-generate transparency pixmap in that case ! */
1452	background_flags = make_transparency_pixmap ();	1389	background_flags = make_transparency_pixmap ();
1453	if (background_flags == 0)	1390	if (background_flags == 0)
1454	return false;	1391	return false;
1455	else if ((background_flags & transpTransformations) == (flags & transpTransformations))	1392	else if ((background_flags & transpTransformations) == (flags & transpTransformations))
1456	flags = flags & ~isInvalid;	1393	flags &= ~isInvalid;
1457	}	1394	}
1458	# endif	1395	# endif
1459		1396
1460	# ifdef BG_IMAGE_FROM_FILE	1397	# ifdef BG_IMAGE_FROM_FILE
1461	if (have_image	1398	if (have_image
1462	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))	1399	\|\| (background_flags & transpTransformations) != (flags & transpTransformations))
1463	{	1400	{
1464	if (render_image (background_flags))	1401	if (render_image (background_flags))
1465	flags = flags & ~isInvalid;	1402	flags &= ~isInvalid;
1466	}	1403	}
1467	# endif	1404	# endif
1468		1405
		1406	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1469	XImage *result = NULL;	1407	XImage *result = NULL;
1470		1408
1471	if (background_flags && (flags & isInvalid))	1409	if (background_flags && (flags & isInvalid))
1472	{	1410	{
1473	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);	1411	result = XGetImage (target->dpy, pixmap, 0, 0, pmap_width, pmap_height, AllPlanes, ZPixmap);
1474	}	1412	}
1475		1413
1476	if (result)	1414	if (result)
1477	{	1415	{
1478	# if !defined(HAVE_AFTERIMAGE) && !XRENDER
1479	/* our own client-side tinting */	1416	/* our own client-side tinting */
1480	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))	1417	if (!(background_flags & transpPmapTinted) && (flags & tintNeeded))
1481	{	1418	{
1482	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	1419	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1483	if (flags & tintSet)	1420	if (flags & tintSet)
1484	tint.get (c);	1421	tint.get (c);
1485	ShadeXImage (DefaultVisual (target->dpy, target->display->screen), result, shade, c.r, c.g, c.b);	1422	shade_ximage (DefaultVisual (target->dpy, target->display->screen), result, shade, c);
1486	}	1423	}
1487	# endif
1488		1424
1489	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);	1425	GC gc = XCreateGC (target->dpy, target->vt, 0UL, NULL);
1490		1426
1491	if (gc)	1427	if (gc)
1492	{	1428	{
1493	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);	1429	XPutImage (target->dpy, pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1494		1430
1495	XFreeGC (target->dpy, gc);	1431	XFreeGC (target->dpy, gc);
1496	flags = flags & ~isInvalid;	1432	flags &= ~isInvalid;
1497	}	1433	}
1498		1434
1499	XDestroyImage (result);	1435	XDestroyImage (result);
1500	}	1436	}
		1437	# endif
1501		1438
1502	if (flags & isInvalid)	1439	if (flags & isInvalid)
1503	{	1440	{
1504	if (pixmap != None)	1441	if (pixmap != None)
1505	{	1442	{
…		…
1517		1454
1518	void	1455	void
1519	bgPixmap_t::set_target (rxvt_term *new_target)	1456	bgPixmap_t::set_target (rxvt_term *new_target)
1520	{	1457	{
1521	target = new_target;	1458	target = new_target;
		1459
		1460	flags &= ~(HAS_RENDER \| HAS_RENDER_CONV);
		1461	#if XRENDER
		1462	int major, minor;
		1463	if (XRenderQueryVersion (target->dpy, &major, &minor))
		1464	flags \|= HAS_RENDER;
		1465	XFilters *filters = XRenderQueryFilters (target->dpy, target->vt);
		1466	if (filters)
		1467	{
		1468	for (int i = 0; i < filters->nfilter; i++)
		1469	if (!strcmp (filters->filter[i], FilterConvolution))
		1470	flags \|= HAS_RENDER_CONV;
		1471
		1472	XFree (filters);
		1473	}
		1474	#endif
1522	}	1475	}
1523		1476
1524	void	1477	void
1525	bgPixmap_t::apply ()	1478	bgPixmap_t::apply ()
1526	{	1479	{
…		…
1575	flags \|= hasChanged;	1528	flags \|= hasChanged;
1576	}	1529	}
1577		1530
1578	#endif /* HAVE_BG_PIXMAP */	1531	#endif /* HAVE_BG_PIXMAP */
1579		1532
1580	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) && !XRENDER	1533	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1581	/* taken from aterm-0.4.2 */	1534	/* taken from aterm-0.4.2 */
1582		1535
1583	static void	1536	static void
1584	ShadeXImage(Visual visual, XImage srcImage, int shade, int rm, int gm, int bm)	1537	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)
1585	{	1538	{
1586	int sh_r, sh_g, sh_b;	1539	int sh_r, sh_g, sh_b;
1587	uint32_t mask_r, mask_g, mask_b;	1540	uint32_t mask_r, mask_g, mask_b;
1588	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1541	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1589	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	1542	rgba low;
1590	unsigned int upper_lim_r, upper_lim_g, upper_lim_b;	1543	rgba high;
1591	int i;	1544	int i;
1592	int host_byte_order = byteorder.big_endian () ? MSBFirst : LSBFirst;	1545	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
1593		1546
1594	if (visual->c_class != TrueColor \|\| srcImage->format != ZPixmap) return;	1547	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1595		1548
1596	/* for convenience */	1549	/* for convenience */
1597	mask_r = visual->red_mask;	1550	mask_r = visual->red_mask;
1598	mask_g = visual->green_mask;	1551	mask_g = visual->green_mask;
1599	mask_b = visual->blue_mask;	1552	mask_b = visual->blue_mask;
1600		1553
1601	/* boring lookup table pre-initialization */	1554	/* boring lookup table pre-initialization */
1602	switch (srcImage->depth)	1555	switch (ximage->depth)
1603	{	1556	{
1604	case 15:	1557	case 15:
1605	if ((mask_r != 0x7c00) \|\|	1558	if ((mask_r != 0x7c00) \|\|
1606	(mask_g != 0x03e0) \|\|	1559	(mask_g != 0x03e0) \|\|
1607	(mask_b != 0x001f))	1560	(mask_b != 0x001f))
…		…
1660	/* prepare limits for color transformation (each channel is handled separately) */	1613	/* prepare limits for color transformation (each channel is handled separately) */
1661	if (shade > 100)	1614	if (shade > 100)
1662	{	1615	{
1663	shade = 200 - shade;	1616	shade = 200 - shade;
1664		1617
1665	lower_lim_r = 65535-rm;	1618	high.r = c.r * shade / 100;
1666	lower_lim_g = 65535-gm;	1619	high.g = c.g * shade / 100;
1667	lower_lim_b = 65535-bm;	1620	high.b = c.b * shade / 100;
1668		1621
1669	lower_lim_r = 65535-(unsigned int)(((uint32_t)lower_lim_r)*((uint32_t)shade)/100);	1622	low.r = 65535 * (100 - shade) / 100;
1670	lower_lim_g = 65535-(unsigned int)(((uint32_t)lower_lim_g)*((uint32_t)shade)/100);	1623	low.g = 65535 * (100 - shade) / 100;
1671	lower_lim_b = 65535-(unsigned int)(((uint32_t)lower_lim_b)*((uint32_t)shade)/100);	1624	low.b = 65535 * (100 - shade) / 100;
1672
1673	upper_lim_r = upper_lim_g = upper_lim_b = 65535;
1674	}	1625	}
1675	else	1626	else
1676	{	1627	{
		1628	high.r = c.r * shade / 100;
		1629	high.g = c.g * shade / 100;
		1630	high.b = c.b * shade / 100;
1677		1631
1678	lower_lim_r = lower_lim_g = lower_lim_b = 0;	1632	low.r = low.g = low.b = 0;
1679
1680	upper_lim_r = (unsigned int)((((uint32_t)rm)*((uint32_t)shade))/100);
1681	upper_lim_g = (unsigned int)((((uint32_t)gm)*((uint32_t)shade))/100);
1682	upper_lim_b = (unsigned int)((((uint32_t)bm)*((uint32_t)shade))/100);
1683	}	1633	}
1684		1634
1685	/* fill our lookup tables */	1635	/* fill our lookup tables */
1686	for (i = 0; i <= mask_r>>sh_r; i++)	1636	for (i = 0; i <= mask_r>>sh_r; i++)
1687	{	1637	{
1688	uint32_t tmp;	1638	uint32_t tmp;
1689	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_r-lower_lim_r));	1639	tmp = i * high.r;
1690	tmp += ((uint32_t)(mask_r>>sh_r))*((uint32_t)lower_lim_r);	1640	tmp += (mask_r>>sh_r) * low.r;
1691	lookup_r[i] = (tmp/65535)<<sh_r;	1641	lookup_r[i] = (tmp/65535)<<sh_r;
1692	}	1642	}
1693	for (i = 0; i <= mask_g>>sh_g; i++)	1643	for (i = 0; i <= mask_g>>sh_g; i++)
1694	{	1644	{
1695	uint32_t tmp;	1645	uint32_t tmp;
1696	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_g-lower_lim_g));	1646	tmp = i * high.g;
1697	tmp += ((uint32_t)(mask_g>>sh_g))*((uint32_t)lower_lim_g);	1647	tmp += (mask_g>>sh_g) * low.g;
1698	lookup_g[i] = (tmp/65535)<<sh_g;	1648	lookup_g[i] = (tmp/65535)<<sh_g;
1699	}	1649	}
1700	for (i = 0; i <= mask_b>>sh_b; i++)	1650	for (i = 0; i <= mask_b>>sh_b; i++)
1701	{	1651	{
1702	uint32_t tmp;	1652	uint32_t tmp;
1703	tmp = ((uint32_t)i)*((uint32_t)(upper_lim_b-lower_lim_b));	1653	tmp = i * high.b;
1704	tmp += ((uint32_t)(mask_b>>sh_b))*((uint32_t)lower_lim_b);	1654	tmp += (mask_b>>sh_b) * low.b;
1705	lookup_b[i] = (tmp/65535)<<sh_b;	1655	lookup_b[i] = (tmp/65535)<<sh_b;
1706	}	1656	}
1707		1657
1708	/* apply table to input image (replacing colors by newly calculated ones) */	1658	/* apply table to input image (replacing colors by newly calculated ones) */
1709	if (srcImage->bits_per_pixel == 32	1659	if (ximage->bits_per_pixel == 32
1710	&& (srcImage->depth == 24 \|\| srcImage->depth == 32)	1660	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1711	&& srcImage->byte_order == host_byte_order)	1661	&& ximage->byte_order == host_byte_order)
1712	{	1662	{
1713	uint32_t p1, pf, p, pl;	1663	uint32_t p1, pf, p, pl;
1714	p1 = (uint32_t *) srcImage->data;	1664	p1 = (uint32_t *) ximage->data;
1715	pf = (uint32_t ) (srcImage->data + srcImage->height srcImage->bytes_per_line);	1665	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1716		1666
1717	while (p1 < pf)	1667	while (p1 < pf)
1718	{	1668	{
1719	p = p1;	1669	p = p1;
1720	pl = p1 + srcImage->width;	1670	pl = p1 + ximage->width;
1721	for (; p < pl; p++)	1671	for (; p < pl; p++)
1722	{	1672	{
1723	p = lookup_r[(p & 0xff0000) >> 16] \|	1673	p = lookup_r[(p & 0xff0000) >> 16] \|
1724	lookup_g[(*p & 0x00ff00) >> 8] \|	1674	lookup_g[(*p & 0x00ff00) >> 8] \|
1725	lookup_b[(*p & 0x0000ff)] \|	1675	lookup_b[(*p & 0x0000ff)] \|
1726	(*p & 0xff000000);	1676	(*p & 0xff000000);
1727	}	1677	}
1728	p1 = (uint32_t ) ((char ) p1 + srcImage->bytes_per_line);	1678	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);
1729	}	1679	}
1730	}	1680	}
1731	else	1681	else
1732	{	1682	{
1733	for (int y = 0; y < srcImage->height; y++)	1683	for (int y = 0; y < ximage->height; y++)
1734	for (int x = 0; x < srcImage->width; x++)	1684	for (int x = 0; x < ximage->width; x++)
1735	{	1685	{
1736	unsigned long pixel = XGetPixel (srcImage, x, y);	1686	unsigned long pixel = XGetPixel (ximage, x, y);
1737	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|	1687	pixel = lookup_r[(pixel & mask_r) >> sh_r] \|
1738	lookup_g[(pixel & mask_g) >> sh_g] \|	1688	lookup_g[(pixel & mask_g) >> sh_g] \|
1739	lookup_b[(pixel & mask_b) >> sh_b];	1689	lookup_b[(pixel & mask_b) >> sh_b];
1740	XPutPixel (srcImage, x, y, pixel);	1690	XPutPixel (ximage, x, y, pixel);
1741	}	1691	}
1742	}	1692	}
1743		1693
1744	free (lookup);	1694	free (lookup);
1745	}	1695	}

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.107 by sf-exg, Mon Nov 1 14:29:33 2010 UTC vs. Revision 1.137 by sf-exg, Sat Jan 15 17:41:43 2011 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.107 by sf-exg, Mon Nov 1 14:29:33 2010 UTC vs.
Revision 1.137 by sf-exg, Sat Jan 15 17:41:43 2011 UTC