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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.177 by sf-exg, Wed Dec 14 12:07:12 2011 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 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
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
51	if (pixbuf)	64	if (pixbuf)
52	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
53	#endif	66	#endif
54		67
…		…
107		120
108	return false;	121	return false;
109	}	122	}
110		123
111	# ifdef BG_IMAGE_FROM_FILE	124	# 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	125	static inline int
147	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
148	{	127	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
153	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	130	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	132	else
157	return (align + 100) * smaller / 100 - image_size;	133	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	134	}
160		135
161	static inline int	136	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	138	{
…		…
169	src_pos = -pos;	144	src_pos = -pos;
170	dst_pos = 0;	145	dst_pos = 0;
171	dst_size += pos;	146	dst_size += pos;
172	}	147	}
173		148
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	150	return src_pos;
177	}	151	}
178		152
179	bool	153	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
181	{	155	{
182	bool changed = false;	156	bool changed = false;
183	int geom_flags = 0;	157	int geom_flags = 0;
184	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
185	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
187		163
188	if (geom == NULL)	164	if (geom == NULL)
189	return false;	165	return false;
190		166
191	if (geom[0])	167	if (geom[0])
…		…
284	} /* done parsing ops */	260	} /* done parsing ops */
285		261
286	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
287	}	263	}
288		264
		265	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;
		266
289	if (!update)	267	if (!update)
290	{	268	{
291	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	270	x = y = defaultAlign;
293	else if (!(geom_flags & YValue))	271	else if (!(geom_flags & YValue))
…		…
297	w = h = defaultScale;	275	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
299	h = w;	277	h = w;
300	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
301	w = h;	279	w = h;
302
303	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
304	}	280	}
305		281
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
310		286
311	if (new_flags != bg_flags)	287	if (bg_flags != new_flags
		288	\|\| h_scale != w
		289	\|\| v_scale != h
		290	\|\| h_align != x
		291	\|\| v_align != y)
312	{	292	{
313	bg_flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
314	changed = true;	298	changed = true;
315	}	299	}
316		300
317	return changed;	301	return changed;
318	}	302	}
…		…
346	{	330	{
347	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
349	}	333	}
350		334
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
353	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
354	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
355	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
356	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	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	{
374	ShadingInfo as_shade;
375	as_shade.shading = shade;
376
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
378	if (bg_flags & BG_TINT_SET)
379	tint.get (c);
380	as_shade.tintColor.red = c.r;
381	as_shade.tintColor.green = c.g;
382	as_shade.tintColor.blue = c.b;
383
384	background_tint = shading2tint32 (&as_shade);
385	}
386
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
388	{
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
390	ASA_XImage,
391	100, ASIMAGE_QUALITY_DEFAULT);
392	if (tmp)
393	{
394	destroy_asimage (&background);
395	background = tmp;
396	}
397	}
398	# endif
399
400	ASImage *result = 0;
401
402	int target_width = szHint.width;
403	int target_height = szHint.height;
404	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;
406
407	int x = 0;
408	int y = 0;
409	int w = 0;
410	int h = 0;
411
412	if (original_asim)
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414
415	if (!original_asim
416	\|\| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width
418	\|\| y >= target_height
419	\|\| x + w <= 0
420	\|\| y + h <= 0)))
421	{
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427
428	if (background_tint != TINT_LEAVE_SAME)
429	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,
431	target_width, target_height, background_tint,
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else	340	else
441	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
442	result = original_asim;
443
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
547	\|\| bg_pmap_width != new_pmap_width
548	\|\| bg_pmap_height != new_pmap_height)
549	{
550	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;
555	}
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
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	}	342	}
593	# endif /* HAVE_AFTERIMAGE */
594		343
595	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
596	bool	345	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,	347	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
600	{	349	{
601	XImage *ximage;	350	XImage *ximage;
602	char data, line;	351	char *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;	352	int width_r, width_g, width_b, width_a;
605	int sh_r, sh_g, sh_b;	353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
606	int rowstride;	355	int rowstride;
607	int channels;	356	int channels;
608	unsigned char *row;	357	unsigned char *row;
609		358
610	if (visual->c_class != TrueColor)	359	if (visual->c_class != TrueColor)
611	return false;	360	return false;
612		361
613	if (depth == 24 \|\| depth == 32)	362	#if XRENDER
614	bytes_per_pixel = 4;	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
615	else if (depth == 15 \|\| depth == 16)	364	if (format)
616	bytes_per_pixel = 2;	365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
617	else	366	else
618	return false;	367	#endif
		368	alpha_mask = 0;
619		369
620	width_r = ecb_popcount32 (visual->red_mask);	370	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);	371	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);	372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
623		374
624	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
625	return false;	376	return false;
626		377
627	sh_r = ecb_ctz32 (visual->red_mask);	378	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);	379	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);	380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
630		382
631	if (width > INT_MAX / height / bytes_per_pixel)	383	if (width > 32767 \|\| height > 32767)
632	return false;	384	return false;
633		385
634	data = (char )malloc (width height * bytes_per_pixel);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
635	if (!data)	387	width, height, 32, 0);
		388	if (!ximage)
636	return false;	389	return false;
637		390
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	391	if (height > INT_MAX / ximage->bytes_per_line
639	width, height, bytes_per_pixel * 8, 0);	392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
640	if (!ximage)
641	{	393	{
642	free (data);	394	XDestroyImage (ximage);
643	return false;	395	return false;
644	}	396	}
645		397
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647		399
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);	401	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;	402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;	403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
652		414
653	for (int y = 0; y < height; y++)	415	for (int y = 0; y < height; y++)
654	{	416	{
655	for (int x = 0; x < width; x++)	417	for (int x = 0; x < width; x++)
656	{	418	{
657	unsigned char pixel = row + x channels;	419	unsigned char pixel = row + x channels;
658	uint32_t value;	420	uint32_t value;
		421	unsigned char r, g, b, a;
659		422
		423	if (channels == 4)
		424	{
		425	a = pixel[3];
		426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)	438	value = ((r >> (8 - width_r)) << sh_r)
661	\| ((pixel[1] >> (8 - width_g)) << sh_g)	439	\| ((g >> (8 - width_g)) << sh_g)
662	\| ((pixel[2] >> (8 - width_b)) << sh_b);	440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
663		442
664	if (bytes_per_pixel == 4)	443	if (ximage->bits_per_pixel == 32)
665	((uint32_t *)line)[x] = value;	444	((uint32_t *)line)[x] = value;
666	else	445	else
667	((uint16_t *)line)[x] = value;	446	XPutPixel (ximage, x, y, value);
668	}	447	}
669		448
670	row += rowstride;	449	row += rowstride;
671	line += ximage->bytes_per_line;	450	line += ximage->bytes_per_line;
672	}	451	}
…		…
675	XDestroyImage (ximage);	454	XDestroyImage (ximage);
676	return true;	455	return true;
677	}	456	}
678		457
679	bool	458	bool
680	rxvt_term::render_image (unsigned long tr_flags)	459	rxvt_term::render_image (bool transparent)
681	{	460	{
682	if (!pixbuf)	461	if (!pixbuf)
683	return false;	462	return false;
684		463
685	if (tr_flags	464	if (transparent
686	&& !(bg_flags & BG_HAS_RENDER))	465	&& !(bg_flags & BG_HAS_RENDER))
687	return false;	466	return false;
688		467
689	GdkPixbuf *result;	468	GdkPixbuf *result;
690		469
…		…
730	Pixmap root_pmap;	509	Pixmap root_pmap;
731		510
732	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
734		513
735	if (tr_flags)	514	if (transparent)
736	{	515	{
737	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
738	bg_pixmap = None;	517	bg_pixmap = None;
739	}	518	}
740	else	519	else
…		…
798	dst_x, dst_y,	577	dst_x, dst_y,
799	dst_width, dst_height);	578	dst_width, dst_height);
800	}	579	}
801		580
802	#if XRENDER	581	#if XRENDER
803	if (tr_flags)	582	if (transparent)
804	{	583	{
805	XRenderPictureAttributes pa;
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
809		587
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		589
813	pa.repeat = True;	590	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		591
819	XRenderColor mask_c;	592	XRenderColor mask_c;
820		593
821	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
822	mask_c.red = 0;	595	mask_c.red =
823	mask_c.green = 0;	596	mask_c.green =
824	mask_c.blue = 0;	597	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		601
828	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
837	}	611	}
838		612
839	if (result != pixbuf)	613	if (result != pixbuf)
840	g_object_unref (result);	614	g_object_unref (result);
841		615
842	if (tr_flags)	616	if (transparent)
843	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
844		618
845	return ret;	619	return ret;
846	}	620	}
847	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
862	memcpy (f, file, len);	636	memcpy (f, file, len);
863	f[len] = '\0';	637	f[len] = '\0';
864	file = f;	638	file = f;
865	}	639	}
866		640
867	# ifdef HAVE_AFTERIMAGE
868	if (!asimman)
869	asimman = create_generic_imageman (rs[Rs_path]);
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
871	if (image)
872	{
873	if (original_asim)
874	safe_asimage_destroy (original_asim);
875	original_asim = image;
876	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
877	ret = true;
878	}
879	# endif
880
881	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	643	if (image)
884	{	644	{
885	if (pixbuf)	645	if (pixbuf)
…		…
903		663
904	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
905		665
906	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
907	bool	667	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
920	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
921	{	669	{
922	bool changed = false;	670	bool changed = false;
923	unsigned int hr, vr;	671	unsigned int hr, vr;
924	int junk;	672	int junk;
…		…
942	{	690	{
943	changed = true;	691	changed = true;
944	v_blurRadius = vr;	692	v_blurRadius = vr;
945	}	693	}
946		694
947	if (v_blurRadius == 0 && h_blurRadius == 0)	695	if (h_blurRadius && v_blurRadius)
		696	bg_flags \|= BG_NEEDS_BLUR;
		697	else
948	bg_flags &= ~BG_NEEDS_BLUR;	698	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags \|= BG_NEEDS_BLUR;
951		699
952	return changed;	700	return changed;
953	}	701	}
954		702
955	void	703	void
956	rxvt_term::set_tint_shade_flags ()	704	rxvt_term::set_tint_shade_flags ()
957	{	705	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	706	if (shade != 100 \|\| (bg_flags & BG_TINT_SET))
959	bool has_shade = shade != 100;	707	bg_flags \|= BG_NEEDS_TINT;
		708	else
		709	bg_flags &= ~BG_NEEDS_TINT;
		710	}
960		711
		712	bool
		713	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		714	{
		715	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		716	{
		717	tint = new_tint;
961	bg_flags &= ~BG_TINT_FLAGS;	718	bg_flags \|= BG_TINT_SET;
962		719
963	if (bg_flags & BG_TINT_SET)	720	rgba c;
964	{
965	tint.get (c);	721	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	722	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
968	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	723	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
969	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	724	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
970	bg_flags \|= BG_TINT_BITAND;	725	bg_flags \|= BG_TINT_BITAND;
971	}	726	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;	727	bg_flags &= ~BG_TINT_BITAND;
		728
984	set_tint_shade_flags ();	729	set_tint_shade_flags ();
985	return true;	730	return true;
986	}	731	}
987		732
988	return false;	733	return false;
989	}	734	}
990		735
991	bool	736	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
993	{	738	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
995		740
996	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	742	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
999		744
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	774	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	775	}
1031	#endif	776	#endif
1032		777
1033	bool	778	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	779	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1035	{	780	{
1036	bool ret = false;	781	bool ret = false;
1037	#if XRENDER	782	#if XRENDER
		783	if (!(bg_flags & BG_HAS_RENDER_CONV))
		784	return false;
		785
1038	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	786	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1039	double kernel = (double )malloc (size * sizeof (double));	787	double kernel = (double )malloc (size * sizeof (double));
1040	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	788	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1041		789
1042	XRenderPictureAttributes pa;	790	XRenderPictureAttributes pa;
1043	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	791	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1044		792
		793	pa.repeat = RepeatPad;
1045	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	794	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		795	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1046	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	796	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		797	XFreePixmap (dpy, tmp);
1047		798
1048	if (kernel && params)	799	if (kernel && params)
1049	{	800	{
1050	if (h_blurRadius)
1051	{
1052	size = h_blurRadius * 2 + 1;	801	size = h_blurRadius * 2 + 1;
1053	get_gaussian_kernel (h_blurRadius, size, kernel, params);	802	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1054		803
1055	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1056	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1057	PictOpSrc,	806	PictOpSrc,
1058	src,	807	src,
1059	None,	808	None,
1060	dst,	809	dst,
1061	0, 0,	810	0, 0,
1062	0, 0,	811	0, 0,
1063	0, 0,	812	0, 0,
1064	width, height);	813	width, height);
1065	}
1066		814
1067	if (v_blurRadius)	815	::swap (src, dst);
1068	{	816
1069	size = v_blurRadius * 2 + 1;	817	size = v_blurRadius * 2 + 1;
1070	get_gaussian_kernel (v_blurRadius, size, kernel, params);	818	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1071	::swap (params[0], params[1]);	819	::swap (params[0], params[1]);
1072		820
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	821	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	822	XRenderComposite (dpy,
1075	PictOpSrc,	823	PictOpSrc,
1076	src,	824	src,
1077	None,	825	None,
1078	dst,	826	dst,
1079	0, 0,	827	0, 0,
1080	0, 0,	828	0, 0,
1081	0, 0,	829	0, 0,
1082	width, height);	830	width, height);
1083	}
1084		831
1085	ret = true;	832	ret = true;
1086	}	833	}
1087		834
1088	free (kernel);	835	free (kernel);
…		…
1096	bool	843	bool
1097	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	844	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1098	{	845	{
1099	bool ret = false;	846	bool ret = false;
1100		847
1101	if (bg_flags & BG_TINT_BITAND)	848	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1102	{	849	{
1103	XGCValues gcv;	850	XGCValues gcv;
1104	GC gc;	851	GC gc;
1105		852
1106	/* In this case we can tint image server-side getting significant	853	/* In this case we can tint image server-side getting significant
…		…
1115	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	862	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1116	ret = true;	863	ret = true;
1117	XFreeGC (dpy, gc);	864	XFreeGC (dpy, gc);
1118	}	865	}
1119	}	866	}
1120	else
1121	{
1122	# if XRENDER	867	# if XRENDER
		868	else if (bg_flags & BG_HAS_RENDER)
		869	{
1123	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1124		871
1125	if (bg_flags & BG_TINT_SET)	872	if (bg_flags & BG_TINT_SET)
1126	tint.get (c);	873	tint.get (c);
1127		874
…		…
1136	c.r = c.r * (200 - shade) / 100;	883	c.r = c.r * (200 - shade) / 100;
1137	c.g = c.g * (200 - shade) / 100;	884	c.g = c.g * (200 - shade) / 100;
1138	c.b = c.b * (200 - shade) / 100;	885	c.b = c.b * (200 - shade) / 100;
1139	}	886	}
1140		887
1141	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1142	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	888	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1143	XRenderPictureAttributes pa;
1144		889
1145	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	890	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1146		891
1147	pa.repeat = True;	892	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1148		893
1149	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	894	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		895
1158	XRenderColor mask_c;	896	XRenderColor mask_c;
1159		897
1160	mask_c.alpha = 0xffff;	898	mask_c.alpha = 0xffff;
1161	mask_c.red =	899	mask_c.red =
…		…
1166	mask_c.alpha = 0;	904	mask_c.alpha = 0;
1167	mask_c.red = 0xffff - c.r;	905	mask_c.red = 0xffff - c.r;
1168	mask_c.green = 0xffff - c.g;	906	mask_c.green = 0xffff - c.g;
1169	mask_c.blue = 0xffff - c.b;	907	mask_c.blue = 0xffff - c.b;
1170	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	908	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		909
1171	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	910	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172		911
1173	if (shade > 100)	912	if (shade > 100)
1174	{	913	{
1175	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1176	mask_c.alpha = 0;	914	mask_c.alpha = 0;
		915	mask_c.red =
		916	mask_c.green =
		917	mask_c.blue = 0xffff * (shade - 100) / 100;
1177	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	918	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1178		919
1179	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	920	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1180	}	921	}
1181		922
1182	ret = true;	923	ret = true;
1183		924
1184	XRenderFreePicture (dpy, mask_pic);	925	XRenderFreePicture (dpy, mask_pic);
1185	XRenderFreePicture (dpy, overlay_pic);	926	XRenderFreePicture (dpy, overlay_pic);
1186	XRenderFreePicture (dpy, back_pic);	927	XRenderFreePicture (dpy, back_pic);
		928	}
1187	# endif	929	# endif
1188	}
1189		930
1190	return ret;	931	return ret;
1191	}	932	}
1192		933
1193	/*	934	/*
1194	* Builds a pixmap of the same size as the terminal window that contains	935	* 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	936	* the tiled portion of the root pixmap that is supposed to be covered by
1196	* our window.	937	* our window.
1197	*/	938	*/
1198	unsigned long	939	bool
1199	rxvt_term::make_transparency_pixmap ()	940	rxvt_term::make_transparency_pixmap ()
1200	{	941	{
1201	unsigned long result = 0;	942	bool ret = false;
1202		943
1203	/* root dimensions may change from call to call - but Display structure should	944	/* root dimensions may change from call to call - but Display structure should
1204	* be always up-to-date, so let's use it :	945	* be always up-to-date, so let's use it :
1205	*/	946	*/
1206	int screen = display->screen;	947	int screen = display->screen;
…		…
1244	#if XRENDER	985	#if XRENDER
1245	if (bg_flags & BG_HAS_RENDER)	986	if (bg_flags & BG_HAS_RENDER)
1246	{	987	{
1247	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	988	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1248		989
1249	XRenderPictureAttributes pa;
1250
1251	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	990	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1252	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	991	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1253		992
1254	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	993	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1255	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	994	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1256		995
1257	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	996	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1258		997
1259	XRenderFreePicture (dpy, src);	998	XRenderFreePicture (dpy, src);
1260	XRenderFreePicture (dpy, dst);	999	XRenderFreePicture (dpy, dst);
…		…
1277	bg_pmap_width = window_width;	1016	bg_pmap_width = window_width;
1278	bg_pmap_height = window_height;	1017	bg_pmap_height = window_height;
1279	}	1018	}
1280		1019
1281	/* straightforward pixmap copy */	1020	/* straightforward pixmap copy */
1282	while (sx < 0) sx += root_width;	1021	while (sx < 0) sx += root_pmap_width;
1283	while (sy < 0) sy += root_height;	1022	while (sy < 0) sy += root_pmap_height;
1284		1023
1285	gcv.tile = recoded_root_pmap;	1024	gcv.tile = recoded_root_pmap;
1286	gcv.fill_style = FillTiled;	1025	gcv.fill_style = FillTiled;
1287	gcv.ts_x_origin = -sx;	1026	gcv.ts_x_origin = -sx;
1288	gcv.ts_y_origin = -sy;	1027	gcv.ts_y_origin = -sy;
1289	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1028	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1290		1029
1291	if (gc)	1030	if (gc)
1292	{	1031	{
1293	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1032	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1294	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1033	ret = true;
		1034	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (bg_flags & BG_NEEDS_BLUR)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1041	tr_flags &= ~BG_NEEDS_BLUR;
		1042	}
		1043	if (bg_flags & BG_NEEDS_TINT)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1046	tr_flags &= ~BG_NEEDS_TINT;
		1047	}
		1048	if (tr_flags & BG_NEEDS_TINT)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1295	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1296
1297	if (!(bg_flags & BG_CLIENT_RENDER))
1298	{
1299	if ((bg_flags & BG_NEEDS_BLUR)
1300	&& (bg_flags & BG_HAS_RENDER_CONV))
1301	{
1302	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1303	result &= ~BG_NEEDS_BLUR;
1304	}
1305	if ((bg_flags & BG_NEEDS_TINT)
1306	&& (bg_flags & (BG_TINT_BITAND \| BG_HAS_RENDER)))
1307	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;
1310	}
1311	} /* server side rendering completed */
1312	}	1063	}
1313		1064
1314	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1315	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1316		1067
1317	return result;	1068	return ret;
1318	}	1069	}
1319		1070
1320	void	1071	void
1321	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1322	{	1073	{
…		…
1326		1077
1327	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1328	}	1079	}
1329	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1330		1081
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	1082	bool
1336	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1337	{	1084	{
1338	unsigned long tr_flags = 0;	1085	bool transparent = false;
1339		1086
1340	bg_invalidate ();	1087	bg_invalidate ();
1341	# ifdef ENABLE_TRANSPARENCY	1088	# ifdef ENABLE_TRANSPARENCY
1342	if (bg_flags & BG_IS_TRANSPARENT)	1089	if (bg_flags & BG_IS_TRANSPARENT)
1343	{	1090	{
1344	/* we need to re-generate transparency pixmap in that case ! */	1091	/* we need to re-generate transparency pixmap in that case ! */
1345	tr_flags = make_transparency_pixmap ();	1092	transparent = make_transparency_pixmap ();
1346	if (tr_flags == 0)	1093	if (transparent)
1347	return false;
1348	bg_flags \|= BG_IS_VALID;	1094	bg_flags \|= BG_IS_VALID;
1349	}	1095	}
1350	# endif	1096	# endif
1351		1097
1352	# ifdef BG_IMAGE_FROM_FILE	1098	# ifdef BG_IMAGE_FROM_FILE
1353	if ((bg_flags & BG_IS_FROM_FILE)	1099	if (bg_flags & BG_IS_FROM_FILE)
1354	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1355	{	1100	{
1356	if (render_image (tr_flags))	1101	if (render_image (transparent))
1357	bg_flags \|= BG_IS_VALID;	1102	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	}	1103	}
1392	# endif	1104	# endif
1393		1105
1394	if (!(bg_flags & BG_IS_VALID))	1106	if (!(bg_flags & BG_IS_VALID))
1395	{	1107	{
…		…
1432	#endif	1144	#endif
1433	}	1145	}
1434		1146
1435	#endif /* HAVE_BG_PIXMAP */	1147	#endif /* HAVE_BG_PIXMAP */
1436		1148
1437	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1149	#ifdef ENABLE_TRANSPARENCY
1438	/* based on code from aterm-0.4.2 */	1150	/* based on code from aterm-0.4.2 */
1439		1151
1440	static void	1152	static inline void
1441	shade_ximage (Visual visual, XImage ximage, int shade, const rgba &c)	1153	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1442	{	1154	{
		1155	for (int i = 0; i <= mask >> sh; i++)
		1156	{
		1157	uint32_t tmp;
		1158	tmp = i * high;
		1159	tmp += (mask >> sh) * low;
		1160	lookup[i] = (tmp / 0xffff) << sh;
		1161	}
		1162	}
		1163
		1164	void
		1165	rxvt_term::tint_ximage (Visual visual, XImage ximage)
		1166	{
		1167	unsigned int size_r, size_g, size_b;
1443	int sh_r, sh_g, sh_b;	1168	int sh_r, sh_g, sh_b;
1444	uint32_t mask_r, mask_g, mask_b;	1169	uint32_t mask_r, mask_g, mask_b;
1445	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1170	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1446	rgba low;	1171	unsigned short low;
1447	rgba high;
1448	int i;
1449	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1172	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1450		1173
1451	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;	1174	if (visual->c_class != TrueColor \|\| ximage->format != ZPixmap) return;
1452		1175
1453	/* for convenience */	1176	/* for convenience */
1454	mask_r = visual->red_mask;	1177	mask_r = visual->red_mask;
1455	mask_g = visual->green_mask;	1178	mask_g = visual->green_mask;
1456	mask_b = visual->blue_mask;	1179	mask_b = visual->blue_mask;
1457		1180
1458	/* boring lookup table pre-initialization */	1181	/* boring lookup table pre-initialization */
1459	switch (ximage->depth)	1182	sh_r = ecb_ctz32 (mask_r);
1460	{	1183	sh_g = ecb_ctz32 (mask_g);
1461	case 15:	1184	sh_b = ecb_ctz32 (mask_b);
1462	if ((mask_r != 0x7c00) \|\|	1185
1463	(mask_g != 0x03e0) \|\|	1186	size_r = mask_r >> sh_r;
1464	(mask_b != 0x001f))	1187	size_g = mask_g >> sh_g;
		1188	size_b = mask_b >> sh_b;
		1189
		1190	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1465	return;	1191	return;
1466	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1192
		1193	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1467	lookup_r = lookup;	1194	lookup_r = lookup;
1468	lookup_g = lookup+32;	1195	lookup_g = lookup + size_r;
1469	lookup_b = lookup+32+32;	1196	lookup_b = lookup + size_r + size_g;
1470	sh_r = 10;	1197
1471	sh_g = 5;	1198	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1472	sh_b = 0;	1199
1473	break;	1200	if (bg_flags & BG_TINT_SET)
1474	case 16:	1201	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		1202
1517	/* prepare limits for color transformation (each channel is handled separately) */	1203	/* prepare limits for color transformation (each channel is handled separately) */
1518	if (shade > 100)	1204	if (shade > 100)
1519	{	1205	{
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;	1206	c.r = c.r * (200 - shade) / 100;
1527	low.g = 65535 * (100 - shade) / 100;	1207	c.g = c.g * (200 - shade) / 100;
1528	low.b = 65535 * (100 - shade) / 100;	1208	c.b = c.b * (200 - shade) / 100;
		1209
		1210	low = 0xffff * (shade - 100) / 100;
1529	}	1211	}
1530	else	1212	else
1531	{	1213	{
1532	high.r = c.r * shade / 100;	1214	c.r = c.r * shade / 100;
1533	high.g = c.g * shade / 100;	1215	c.g = c.g * shade / 100;
1534	high.b = c.b * shade / 100;	1216	c.b = c.b * shade / 100;
1535		1217
1536	low.r = low.g = low.b = 0;	1218	low = 0;
1537	}	1219	}
1538		1220
1539	/* fill our lookup tables */	1221	/* fill our lookup tables */
1540	for (i = 0; i <= mask_r>>sh_r; i++)	1222	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1541	{	1223	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1542	uint32_t tmp;	1224	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		1225
1562	/* apply table to input image (replacing colors by newly calculated ones) */	1226	/* apply table to input image (replacing colors by newly calculated ones) */
1563	if (ximage->bits_per_pixel == 32	1227	if (ximage->bits_per_pixel == 32
1564	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1565	&& ximage->byte_order == host_byte_order)	1228	&& ximage->byte_order == host_byte_order)
1566	{	1229	{
1567	uint32_t p1, pf, p, pl;	1230	char *line = ximage->data;
1568	p1 = (uint32_t *) ximage->data;
1569	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1570		1231
1571	while (p1 < pf)	1232	for (int y = 0; y < ximage->height; y++)
1572	{
1573	p = p1;
1574	pl = p1 + ximage->width;
1575	for (; p < pl; p++)
1576	{	1233	{
1577	p = lookup_r[(p & 0xff0000) >> 16] \|	1234	uint32_t p = (uint32_t )line;
1578	lookup_g[(*p & 0x00ff00) >> 8] \|	1235	for (int x = 0; x < ximage->width; x++)
1579	lookup_b[(*p & 0x0000ff)] \|
1580	(*p & 0xff000000);
1581	}	1236	{
1582	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1237	p = lookup_r[(p & mask_r) >> sh_r] \|
		1238	lookup_g[(*p & mask_g) >> sh_g] \|
		1239	lookup_b[(*p & mask_b) >> sh_b];
		1240	p++;
		1241	}
		1242	line += ximage->bytes_per_line;
1583	}	1243	}
1584	}	1244	}
1585	else	1245	else
1586	{	1246	{
1587	for (int y = 0; y < ximage->height; y++)	1247	for (int y = 0; y < ximage->height; y++)
…		…
1595	}	1255	}
1596	}	1256	}
1597		1257
1598	free (lookup);	1258	free (lookup);
1599	}	1259	}
1600	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1260	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing rxvt-unicode/src/background.C (file contents): Revision 1.177 by sf-exg, Wed Dec 14 12:07:12 2011 UTC vs. Revision 1.211 by sf-exg, Sun May 13 15:28:44 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.177 by sf-exg, Wed Dec 14 12:07:12 2011 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 2012 UTC