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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs.
Revision 1.212 by sf-exg, Sun May 13 15:50:18 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>
…		…
58	# endif	58	# endif
59		59
60	void	60	void
61	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
62	{	62	{
63	#ifdef HAVE_AFTERIMAGE
64	if (original_asim)
65	safe_asimage_destroy (original_asim);
66	if (asv)
67	destroy_asvisual (asv, 0);
68	if (asimman)
69	destroy_image_manager (asimman, 0);
70	#endif
71
72	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
73	if (pixbuf)	64	if (pixbuf)
74	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
75	#endif	66	#endif
76		67
…		…
129		120
130	return false;	121	return false;
131	}	122	}
132		123
133	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
134	static inline bool
135	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
136	{
137	if (geom_flags & flag)
138	{
139	if (new_value > 1000)
140	new_value = 1000;
141	if (new_value != scale)
142	{
143	scale = new_value;
144	return true;
145	}
146	}
147	return false;
148	}
149
150	static inline bool
151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
152	{
153	if (geom_flags & flag)
154	{
155	if (new_value < -100)
156	new_value = -100;
157	else if (new_value > 200)
158	new_value = 200;
159	if (new_value != align)
160	{
161	align = new_value;
162	return true;
163	}
164	}
165	return false;
166	}
167
168	static inline int	125	static inline int
169	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
170	{	127	{
171	int diff = window_size - image_size;
172	int smaller = min (image_size, window_size);
173
174	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
175	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
176	else if (align > 100 && align <= 200)	130	else if (align > 100)
177	return (align - 100) * smaller / 100 + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
178	else if (align >= -100 && align < 0)	132	else
179	return (align + 100) * smaller / 100 - image_size;	133	return lerp (-image_size, 0, align + 100);
180	return 0;
181	}	134	}
182		135
183	static inline int	136	static inline int
184	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)
185	{	138	{
…		…
200	bool	153	bool
201	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
202	{	155	{
203	bool changed = false;	156	bool changed = false;
204	int geom_flags = 0;	157	int geom_flags = 0;
205	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
206	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
		161	unsigned int h = v_scale;
207	unsigned long new_flags = 0;	162	unsigned long new_flags = 0;
208		163
209	if (geom == NULL)	164	if (geom == NULL)
210	return false;	165	return false;
211		166
…		…
320	w = h = defaultScale;	275	w = h = defaultScale;
321	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
322	h = w;	277	h = w;
323	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
324	w = h;	279	w = h;
325
326	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
327	}	280	}
328		281
329	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
330	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
331	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
332	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
333		286
334	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)
335	{	292	{
336	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;
337	changed = true;	298	changed = true;
338	}	299	}
339		300
340	return changed;	301	return changed;
341	}	302	}
…		…
369	{	330	{
370	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
371	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
372	}	333	}
373		334
374	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
375	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
376	\|\| h_scale \|\| v_scale	336	\|\| h_scale \|\| v_scale
377	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))	337	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
378	\|\| w > target_width \|\| h > target_height)	338	\|\| image_width > target_width \|\| image_height > target_height)
379	bg_flags \|= BG_IS_SIZE_SENSITIVE;	339	bg_flags \|= BG_IS_SIZE_SENSITIVE;
380	}
381
382	# ifdef HAVE_AFTERIMAGE
383	bool
384	rxvt_term::render_image (unsigned long tr_flags)
385	{
386	init_asv ();
387
388	ASImage *background = NULL;
389	ARGB32 background_tint = TINT_LEAVE_SAME;
390
391	# ifdef ENABLE_TRANSPARENCY
392	if (tr_flags)
393	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
394
395	if (tr_flags & BG_NEEDS_TINT)
396	{
397	ShadingInfo as_shade;
398	as_shade.shading = shade;
399
400	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
401	if (bg_flags & BG_TINT_SET)
402	tint.get (c);
403	as_shade.tintColor.red = c.r;
404	as_shade.tintColor.green = c.g;
405	as_shade.tintColor.blue = c.b;
406
407	background_tint = shading2tint32 (&as_shade);
408	}
409
410	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)
411	{
412	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,
413	ASA_XImage,
414	100, ASIMAGE_QUALITY_DEFAULT);
415	if (tmp)
416	{
417	destroy_asimage (&background);
418	background = tmp;
419	}
420	}
421	# endif
422
423	ASImage *result = 0;
424
425	int target_width = szHint.width;
426	int target_height = szHint.height;
427	int new_pmap_width = target_width;
428	int new_pmap_height = target_height;
429
430	int x = 0;
431	int y = 0;
432	int w = 0;
433	int h = 0;
434
435	if (original_asim)
436	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
437
438	if (!original_asim
439	\|\| (!(bg_flags & BG_ROOT_ALIGN)
440	&& (x >= target_width
441	\|\| y >= target_height
442	\|\| x + w <= 0
443	\|\| y + h <= 0)))
444	{
445	if (background)
446	{
447	new_pmap_width = background->width;
448	new_pmap_height = background->height;
449	result = background;
450
451	if (background_tint != TINT_LEAVE_SAME)
452	{
453	ASImage *tmp = tile_asimage (asv, background, 0, 0,
454	target_width, target_height, background_tint,
455	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
456	if (tmp)
457	result = tmp;
458	}
459	}
460	else
461	new_pmap_width = new_pmap_height = 0;
462	}
463	else	340	else
464	{	341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
465	result = original_asim;
466
467	if (w != original_asim->width
468	\|\| h != original_asim->height)
469	{
470	result = scale_asimage (asv, original_asim,
471	w, h,
472	ASA_XImage,
473	100, ASIMAGE_QUALITY_DEFAULT);
474	}
475
476	if (background == NULL)
477	{
478	if (bg_flags & BG_TILE)
479	{
480	/* if tiling - pixmap has to be sized exactly as the image,
481	but there is no need to make it bigger than the window! */
482	new_pmap_width = min (result->width, target_width);
483	new_pmap_height = min (result->height, target_height);
484
485	/* we also need to tile our image in both directions */
486	ASImage *tmp = tile_asimage (asv, result,
487	(int)result->width - x,
488	(int)result->height - y,
489	new_pmap_width,
490	new_pmap_height,
491	TINT_LEAVE_SAME, ASA_XImage,
492	100, ASIMAGE_QUALITY_DEFAULT);
493	if (tmp)
494	{
495	if (result != original_asim)
496	destroy_asimage (&result);
497
498	result = tmp;
499	}
500	}
501	}
502	else
503	{
504	/* if blending background and image - pixmap has to be sized same as target window */
505	ASImageLayer *layers = create_image_layers (2);
506
507	layers[0].im = background;
508	layers[0].clip_width = target_width;
509	layers[0].clip_height = target_height;
510	layers[0].tint = background_tint;
511	layers[1].im = result;
512
513	if (bg_flags & BG_TILE)
514	{
515	/* tile horizontally */
516	while (x > 0) x -= (int)result->width;
517	layers[1].dst_x = x;
518	layers[1].clip_width = result->width+target_width;
519	}
520	else
521	{
522	/* clip horizontally */
523	layers[1].dst_x = x;
524	layers[1].clip_width = result->width;
525	}
526
527	if (bg_flags & BG_TILE)
528	{
529	while (y > 0) y -= (int)result->height;
530	layers[1].dst_y = y;
531	layers[1].clip_height = result->height + target_height;
532	}
533	else
534	{
535	layers[1].dst_y = y;
536	layers[1].clip_height = result->height;
537	}
538
539	if (rs[Rs_blendtype])
540	{
541	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
542	if (layers[1].merge_scanlines == NULL)
543	layers[1].merge_scanlines = alphablend_scanlines;
544	}
545
546	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
547	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
548
549	if (tmp)
550	{
551	if (result != original_asim)
552	destroy_asimage (&result);
553
554	result = tmp;
555	}
556
557	free (layers);
558	}
559	}
560
561	bool ret = false;
562
563	if (result)
564	{
565	XGCValues gcv;
566	GC gc;
567
568	/* create Pixmap */
569	if (bg_pixmap == None
570	\|\| bg_pmap_width != new_pmap_width
571	\|\| bg_pmap_height != new_pmap_height)
572	{
573	if (bg_pixmap)
574	XFreePixmap (dpy, bg_pixmap);
575	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
576	bg_pmap_width = new_pmap_width;
577	bg_pmap_height = new_pmap_height;
578	}
579	/* fill with background color (if result's not completely overlapping it) */
580	gcv.foreground = pix_colors[Color_bg];
581	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
582
583	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
584	int dst_width = result->width, dst_height = result->height;
585	if (background == NULL)
586	{
587	if (!(bg_flags & BG_TILE))
588	{
589	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
590	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
591	}
592
593	if (dst_x > 0 \|\| dst_y > 0
594	\|\| dst_x + dst_width < new_pmap_width
595	\|\| dst_y + dst_height < new_pmap_height)
596	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
597	}
598
599	/* put result on pixmap */
600	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
601	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
602
603	if (result != background && result != original_asim)
604	destroy_asimage (&result);
605
606	XFreeGC (dpy, gc);
607
608	ret = true;
609	}
610
611	if (background)
612	destroy_asimage (&background);
613
614	return ret;
615	}	342	}
616	# endif /* HAVE_AFTERIMAGE */
617		343
618	# ifdef HAVE_PIXBUF	344	# ifdef HAVE_PIXBUF
619	bool	345	bool
620	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
621	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,
622	unsigned int width, unsigned int height)	348	unsigned int width, unsigned int height)
623	{	349	{
624	XImage *ximage;	350	XImage *ximage;
625	char data, line;	351	char *line;
626	int bytes_per_pixel;
627	int width_r, width_g, width_b;	352	int width_r, width_g, width_b, width_a;
628	int sh_r, sh_g, sh_b;	353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
629	int rowstride;	355	int rowstride;
630	int channels;	356	int channels;
631	unsigned char *row;	357	unsigned char *row;
632		358
633	if (visual->c_class != TrueColor)	359	if (visual->c_class != TrueColor)
634	return false;	360	return false;
635		361
636	if (depth == 24 \|\| depth == 32)	362	#if XRENDER
637	bytes_per_pixel = 4;	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
638	else if (depth == 15 \|\| depth == 16)	364	if (format)
639	bytes_per_pixel = 2;	365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
640	else	366	else
641	return false;	367	#endif
		368	alpha_mask = 0;
642		369
643	width_r = ecb_popcount32 (visual->red_mask);	370	width_r = ecb_popcount32 (visual->red_mask);
644	width_g = ecb_popcount32 (visual->green_mask);	371	width_g = ecb_popcount32 (visual->green_mask);
645	width_b = ecb_popcount32 (visual->blue_mask);	372	width_b = ecb_popcount32 (visual->blue_mask);
		373	width_a = ecb_popcount32 (alpha_mask);
646		374
647	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)	375	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
648	return false;	376	return false;
649		377
650	sh_r = ecb_ctz32 (visual->red_mask);	378	sh_r = ecb_ctz32 (visual->red_mask);
651	sh_g = ecb_ctz32 (visual->green_mask);	379	sh_g = ecb_ctz32 (visual->green_mask);
652	sh_b = ecb_ctz32 (visual->blue_mask);	380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
653		382
654	if (width > INT_MAX / height / bytes_per_pixel)	383	if (width > 32767 \|\| height > 32767)
655	return false;	384	return false;
656		385
657	data = (char )malloc (width height * bytes_per_pixel);	386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
658	if (!data)	387	width, height, 32, 0);
		388	if (!ximage)
659	return false;	389	return false;
660		390
661	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,	391	if (height > INT_MAX / ximage->bytes_per_line
662	width, height, bytes_per_pixel * 8, 0);	392	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
663	if (!ximage)
664	{	393	{
665	free (data);	394	XDestroyImage (ximage);
666	return false;	395	return false;
667	}	396	}
668		397
669	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
670		399
671	rowstride = gdk_pixbuf_get_rowstride (pixbuf);	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
672	channels = gdk_pixbuf_get_n_channels (pixbuf);	401	channels = gdk_pixbuf_get_n_channels (pixbuf);
673	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;
674	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	}
675		414
676	for (int y = 0; y < height; y++)	415	for (int y = 0; y < height; y++)
677	{	416	{
678	for (int x = 0; x < width; x++)	417	for (int x = 0; x < width; x++)
679	{	418	{
680	unsigned char pixel = row + x channels;	419	unsigned char pixel = row + x channels;
681	uint32_t value;	420	uint32_t value;
		421	unsigned char r, g, b, a;
682		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
683	value = ((pixel[0] >> (8 - width_r)) << sh_r)	438	value = ((r >> (8 - width_r)) << sh_r)
684	\| ((pixel[1] >> (8 - width_g)) << sh_g)	439	\| ((g >> (8 - width_g)) << sh_g)
685	\| ((pixel[2] >> (8 - width_b)) << sh_b);	440	\| ((b >> (8 - width_b)) << sh_b)
		441	\| ((a >> (8 - width_a)) << sh_a);
686		442
687	if (bytes_per_pixel == 4)	443	if (ximage->bits_per_pixel == 32)
688	((uint32_t *)line)[x] = value;	444	((uint32_t *)line)[x] = value;
689	else	445	else
690	((uint16_t *)line)[x] = value;	446	XPutPixel (ximage, x, y, value);
691	}	447	}
692		448
693	row += rowstride;	449	row += rowstride;
694	line += ximage->bytes_per_line;	450	line += ximage->bytes_per_line;
695	}	451	}
…		…
698	XDestroyImage (ximage);	454	XDestroyImage (ximage);
699	return true;	455	return true;
700	}	456	}
701		457
702	bool	458	bool
703	rxvt_term::render_image (unsigned long tr_flags)	459	rxvt_term::render_image (bool transparent)
704	{	460	{
705	if (!pixbuf)	461	if (!pixbuf)
706	return false;	462	return false;
707		463
708	if (tr_flags	464	if (transparent
709	&& !(bg_flags & BG_HAS_RENDER))	465	&& !(bg_flags & BG_HAS_RENDER))
710	return false;	466	return false;
711		467
712	GdkPixbuf *result;	468	GdkPixbuf *result;
713		469
…		…
753	Pixmap root_pmap;	509	Pixmap root_pmap;
754		510
755	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
756	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
757		513
758	if (tr_flags)	514	if (transparent)
759	{	515	{
760	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
761	bg_pixmap = None;	517	bg_pixmap = None;
762	}	518	}
763	else	519	else
…		…
821	dst_x, dst_y,	577	dst_x, dst_y,
822	dst_width, dst_height);	578	dst_width, dst_height);
823	}	579	}
824		580
825	#if XRENDER	581	#if XRENDER
826	if (tr_flags)	582	if (transparent)
827	{	583	{
828	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
829		585
830	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
831		587
…		…
855	}	611	}
856		612
857	if (result != pixbuf)	613	if (result != pixbuf)
858	g_object_unref (result);	614	g_object_unref (result);
859		615
860	if (tr_flags)	616	if (transparent)
861	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
862		618
863	return ret;	619	return ret;
864	}	620	}
865	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
880	memcpy (f, file, len);	636	memcpy (f, file, len);
881	f[len] = '\0';	637	f[len] = '\0';
882	file = f;	638	file = f;
883	}	639	}
884		640
885	# ifdef HAVE_AFTERIMAGE
886	if (!asimman)
887	asimman = create_generic_imageman (rs[Rs_path]);
888	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
889	if (image)
890	{
891	if (original_asim)
892	safe_asimage_destroy (original_asim);
893	original_asim = image;
894	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
895	ret = true;
896	}
897	# endif
898
899	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
900	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
901	if (image)	643	if (image)
902	{	644	{
903	if (pixbuf)	645	if (pixbuf)
…		…
921		663
922	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
923		665
924	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
925	bool	667	bool
926	rxvt_term::bg_set_transparent ()
927	{
928	if (!(bg_flags & BG_IS_TRANSPARENT))
929	{
930	bg_flags \|= BG_IS_TRANSPARENT;
931	return true;
932	}
933
934	return false;
935	}
936
937	bool
938	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
939	{	669	{
940	bool changed = false;	670	bool changed = false;
941	unsigned int hr, vr;	671	unsigned int hr, vr;
942	int junk;	672	int junk;
…		…
960	{	690	{
961	changed = true;	691	changed = true;
962	v_blurRadius = vr;	692	v_blurRadius = vr;
963	}	693	}
964		694
965	if (h_blurRadius == 0 \|\| v_blurRadius == 0)
966	bg_flags &= ~BG_NEEDS_BLUR;
967	else
968	bg_flags \|= BG_NEEDS_BLUR;
969
970	return changed;	695	return changed;
971	}	696	}
972		697
973	void	698	bool
974	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
975	{	700	{
		701	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		702	{
		703	tint = new_tint;
		704	bg_flags \|= BG_TINT_SET;
		705
976	rgba c;	706	rgba c;
977	bool has_shade = shade != 100;
978
979	bg_flags &= ~BG_TINT_FLAGS;
980
981	if (bg_flags & BG_TINT_SET)
982	{
983	tint.get (c);	707	tint.get (c);
984	if (!has_shade
985	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	708	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
986	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	709	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
987	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	710	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
988	bg_flags \|= BG_TINT_BITAND;	711	bg_flags \|= BG_TINT_BITAND;
989	}	712	else
990
991	if (has_shade \|\| (bg_flags & BG_TINT_SET))
992	bg_flags \|= BG_NEEDS_TINT;
993	}
994
995	bool
996	rxvt_term::bg_set_tint (rxvt_color &new_tint)
997	{
998	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
999	{
1000	tint = new_tint;
1001	bg_flags \|= BG_TINT_SET;	713	bg_flags &= ~BG_TINT_BITAND;
1002	set_tint_shade_flags ();	714
1003	return true;	715	return true;
1004	}	716	}
1005		717
1006	return false;	718	return false;
1007	}	719	}
…		…
1016	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
1017		729
1018	if (new_shade != shade)	730	if (new_shade != shade)
1019	{	731	{
1020	shade = new_shade;	732	shade = new_shade;
1021	set_tint_shade_flags ();
1022	return true;	733	return true;
1023	}	734	}
1024		735
1025	return false;	736	return false;
1026	}	737	}
…		…
1116	bool	827	bool
1117	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1118	{	829	{
1119	bool ret = false;	830	bool ret = false;
1120		831
1121	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1122	{	833	{
1123	XGCValues gcv;	834	XGCValues gcv;
1124	GC gc;	835	GC gc;
1125		836
1126	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1207	/*	918	/*
1208	* Builds a pixmap of the same size as the terminal window that contains	919	* Builds a pixmap of the same size as the terminal window that contains
1209	* the tiled portion of the root pixmap that is supposed to be covered by	920	* the tiled portion of the root pixmap that is supposed to be covered by
1210	* our window.	921	* our window.
1211	*/	922	*/
1212	unsigned long	923	bool
1213	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1214	{	925	{
1215	unsigned long result = 0;	926	bool ret = false;
1216		927
1217	/* root dimensions may change from call to call - but Display structure should	928	/* root dimensions may change from call to call - but Display structure should
1218	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1219	*/	930	*/
1220	int screen = display->screen;	931	int screen = display->screen;
…		…
1301	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1302		1013
1303	if (gc)	1014	if (gc)
1304	{	1015	{
1305	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1306	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1017	ret = true;
		1018	bool need_blur = h_blurRadius && v_blurRadius;
		1019	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
1307		1020
1308	if (!(bg_flags & BG_CLIENT_RENDER))	1021	if (!(bg_flags & BG_CLIENT_RENDER))
1309	{	1022	{
1310	if (bg_flags & BG_NEEDS_BLUR)	1023	if (need_blur)
1311	{	1024	{
1312	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))	1025	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1313	result &= ~BG_NEEDS_BLUR;	1026	need_blur = false;
1314	}	1027	}
1315	if (bg_flags & BG_NEEDS_TINT)	1028	if (need_tint)
1316	{	1029	{
1317	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1030	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1318	result &= ~BG_NEEDS_TINT;	1031	need_tint = false;
1319	}	1032	}
1320	# ifndef HAVE_AFTERIMAGE	1033	if (need_tint)
1321	if (result & BG_NEEDS_TINT)
1322	{	1034	{
1323	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1324	if (ximage)	1036	if (ximage)
1325	{	1037	{
1326	/* our own client-side tinting */	1038	/* our own client-side tinting */
…		…
1328		1040
1329	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1330	XDestroyImage (ximage);	1042	XDestroyImage (ximage);
1331	}	1043	}
1332	}	1044	}
1333	# endif
1334	} /* server side rendering completed */	1045	} /* server side rendering completed */
1335		1046
1336	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1337	}	1048	}
1338		1049
1339	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1340	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1341		1052
1342	return result;	1053	return ret;
1343	}	1054	}
1344		1055
1345	void	1056	void
1346	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1347	{	1058	{
…		…
1354	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1355		1066
1356	bool	1067	bool
1357	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1358	{	1069	{
1359	unsigned long tr_flags = 0;	1070	bool transparent = false;
1360		1071
1361	bg_invalidate ();	1072	bg_invalidate ();
1362	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1363	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1364	{	1075	{
1365	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1366	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1367	if (tr_flags == 0)	1078	if (transparent)
1368	return false;
1369	bg_flags \|= BG_IS_VALID;	1079	bg_flags \|= BG_IS_VALID;
1370	}	1080	}
1371	# endif	1081	# endif
1372		1082
1373	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1374	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1375	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1376	{	1085	{
1377	if (render_image (tr_flags))	1086	if (render_image (transparent))
1378	bg_flags \|= BG_IS_VALID;	1087	bg_flags \|= BG_IS_VALID;
1379	}	1088	}
1380	# endif	1089	# endif
1381		1090
1382	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
…		…
1420	#endif	1129	#endif
1421	}	1130	}
1422		1131
1423	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1424		1133
1425	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1426	/* based on code from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1427		1136
1428	static inline void	1137	static inline void
1429	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1430	{	1139	{
…		…
1438	}	1147	}
1439		1148
1440	void	1149	void
1441	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1150	rxvt_term::tint_ximage (Visual visual, XImage ximage)
1442	{	1151	{
		1152	unsigned int size_r, size_g, size_b;
1443	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1444	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1445	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1155	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1446	unsigned short low;	1156	unsigned short low;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1452	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1455		1165
1456	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1458	{	1168	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) \|\|	1170
1461	(mask_g != 0x03e0) \|\|	1171	size_r = mask_r >> sh_r;
1462	(mask_b != 0x001f))	1172	size_g = mask_g >> sh_g;
		1173	size_b = mask_b >> sh_b;
		1174
		1175	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1463	return;	1176	return;
1464	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1177
		1178	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1465	lookup_r = lookup;	1179	lookup_r = lookup;
1466	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;
1469	sh_g = 5;
1470	sh_b = 0;
1471	break;
1472	case 16:
1473	if ((mask_r != 0xf800) \|\|
1474	(mask_g != 0x07e0) \|\|
1475	(mask_b != 0x001f))
1476	return;
1477	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1478	lookup_r = lookup;
1479	lookup_g = lookup+32;
1480	lookup_b = lookup+32+64;
1481	sh_r = 11;
1482	sh_g = 5;
1483	sh_b = 0;
1484	break;
1485	case 24:
1486	if ((mask_r != 0xff0000) \|\|
1487	(mask_g != 0x00ff00) \|\|
1488	(mask_b != 0x0000ff))
1489	return;
1490	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1491	lookup_r = lookup;
1492	lookup_g = lookup+256;
1493	lookup_b = lookup+256+256;
1494	sh_r = 16;
1495	sh_g = 8;
1496	sh_b = 0;
1497	break;
1498	case 32:
1499	if ((mask_r != 0xff0000) \|\|
1500	(mask_g != 0x00ff00) \|\|
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	default:
1512	return; /* we do not support this color depth */
1513	}
1514		1182
1515	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1516		1184
1517	if (bg_flags & BG_TINT_SET)	1185	if (bg_flags & BG_TINT_SET)
1518	tint.get (c);	1186	tint.get (c);
…		…
1540	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1209	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542		1210
1543	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1544	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1545	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1546	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1547	{	1214	{
1548	uint32_t p1, pf, p, pl;	1215	char *line = ximage->data;
1549	p1 = (uint32_t *) ximage->data;
1550	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1551		1216
1552	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1553	{
1554	p = p1;
1555	pl = p1 + ximage->width;
1556	for (; p < pl; p++)
1557	{	1218	{
1558	p = lookup_r[(p & 0xff0000) >> 16] \|	1219	uint32_t p = (uint32_t )line;
1559	lookup_g[(*p & 0x00ff00) >> 8] \|	1220	for (int x = 0; x < ximage->width; x++)
1560	lookup_b[(*p & 0x0000ff)] \|
1561	(*p & 0xff000000);
1562	}	1221	{
1563	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1222	p = lookup_r[(p & mask_r) >> sh_r] \|
		1223	lookup_g[(*p & mask_g) >> sh_g] \|
		1224	lookup_b[(*p & mask_b) >> sh_b];
		1225	p++;
		1226	}
		1227	line += ximage->bytes_per_line;
1564	}	1228	}
1565	}	1229	}
1566	else	1230	else
1567	{	1231	{
1568	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1576	}	1240	}
1577	}	1241	}
1578		1242
1579	free (lookup);	1243	free (lookup);
1580	}	1244	}
1581	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs. Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs.
Revision 1.212 by sf-exg, Sun May 13 15:50:18 2012 UTC