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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.164 by sf-exg, Sun Aug 14 22:01:25 2011 UTC vs.
Revision 1.213 by sf-exg, Sun May 13 21:12:01 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	*/
52		40
53	#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
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
67	if (pixbuf)	64	if (pixbuf)
68	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
69	#endif	66	#endif
70		67
…		…
123		120
124	return false;	121	return false;
125	}	122	}
126		123
127	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	125	static inline int
163	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
164	{	127	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
169	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	130	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	132	else
173	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	134	}
176		135
177	static inline int	136	static inline int
178	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)
179	{	138	{
…		…
185	src_pos = -pos;	144	src_pos = -pos;
186	dst_pos = 0;	145	dst_pos = 0;
187	dst_size += pos;	146	dst_size += pos;
188	}	147	}
189		148
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	150	return src_pos;
193	}	151	}
194		152
195	bool	153	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
197	{	155	{
198	bool changed = false;	156	bool changed = false;
199	int geom_flags = 0;	157	int geom_flags = 0;
200	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
201	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
202	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
203		163
204	if (geom == NULL)	164	if (geom == NULL)
205	return false;	165	return false;
206		166
207	if (geom[0])	167	if (geom[0])
208	{	168	{
209	char **arr = rxvt_strsplit (':', geom);	169	char **arr = rxvt_strsplit (':', geom);
210		170
211	for (int i = 0; arr[i]; i++)	171	for (int i = 0; arr[i]; i++)
212	{	172	{
213	if (!strcasecmp (arr[i], "style=tiled"))	173	if (!strcasecmp (arr[i], "style=tiled"))
214	{	174	{
215	new_flags = BG_TILE;	175	new_flags = BG_TILE;
216	w = h = noScale;	176	w = h = noScale;
217	x = y = 0;	177	x = y = 0;
218	geom_flags = WidthValue|HeightValue|XValue|YValue;	178	geom_flags = WidthValue|HeightValue|XValue|YValue;
219	}	179	}
220	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
221	{	181	{
222	new_flags = BG_PROP_SCALE;	182	new_flags = BG_KEEP_ASPECT;
223	w = h = windowScale;	183	w = h = windowScale;
224	x = y = centerAlign;	184	x = y = centerAlign;
225	geom_flags = WidthValue|HeightValue|XValue|YValue;	185	geom_flags = WidthValue|HeightValue|XValue|YValue;
226	}	186	}
227	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
243	w = h = noScale;	203	w = h = noScale;
244	geom_flags = WidthValue|HeightValue;	204	geom_flags = WidthValue|HeightValue;
245	}	205	}
246	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
247	new_flags |= BG_TILE;	207	new_flags |= BG_TILE;
248	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
249	new_flags |= BG_PROP_SCALE;	209	new_flags |= BG_KEEP_ASPECT;
250	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
251	new_flags |= BG_ROOT_ALIGN;	211	new_flags |= BG_ROOT_ALIGN;
252		212
253	// deprecated	213	// deprecated
254	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
255	{	215	{
…		…
257	w = h = noScale;	217	w = h = noScale;
258	geom_flags |= WidthValue|HeightValue;	218	geom_flags |= WidthValue|HeightValue;
259	}	219	}
260	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
261	{	221	{
262	new_flags |= BG_PROP_SCALE;	222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
263	}	225	}
264	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
265	{	227	{
266	new_flags |= BG_TILE;	228	new_flags |= BG_TILE;
267	w = windowScale;	229	w = windowScale;
…		…
297	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
298	} /* done parsing ops */	260	} /* done parsing ops */
299		261
300	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
301	}	263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
302		266
303	if (!update)	267	if (!update)
304	{	268	{
305	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
306	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
311	w = h = defaultScale;	275	w = h = defaultScale;
312	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
313	h = w;	277	h = w;
314	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
315	w = h;	279	w = h;
316
317	geom_flags |= WidthValue|HeightValue|XValue|YValue;
318	}	280	}
319		281
320	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
321	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
322	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
323	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
324		286
325	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)
326	{	292	{
327	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;
328	changed = true;	298	changed = true;
329	}	299	}
330		300
331	return changed;	301	return changed;
332	}	302	}
…		…
338	int target_height = szHint.height;	308	int target_height = szHint.height;
339		309
340	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
341	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
342		312
343	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
344	{	314	{
345	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
346	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
347	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
348	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
360	{	330	{
361	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
362	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
363	}	333	}
364		334
365	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
366	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
367	|| h_scale || v_scale	336	|| h_scale || v_scale
368	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
369	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
370	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
371	}	342	}
372		343
373	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
374	bool	345	bool
375	rxvt_term::render_image (unsigned long tr_flags)	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		347	int src_x, int src_y, int dst_x, int dst_y,
		348	unsigned int width, unsigned int height)
376	{	349	{
377	init_asv ();	350	XImage *ximage;
		351	char *line;
		352	int width_r, width_g, width_b, width_a;
		353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
		355	int rowstride;
		356	int channels;
		357	unsigned char *row;
378		358
379	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
380	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
381		361
382	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
383	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
384	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);	364	if (format)
		365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		366	else
		367	#endif
		368	alpha_mask = 0;
385		369
386	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
387	{	371	width_g = ecb_popcount32 (visual->green_mask);
388	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
389	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
390		374
391	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	375	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
392	if (bg_flags & BG_TINT_SET)	376	return false;
393	tint.get (c);
394	as_shade.tintColor.red = c.r;
395	as_shade.tintColor.green = c.g;
396	as_shade.tintColor.blue = c.b;
397		377
398	background_tint = shading2tint32 (&as_shade);	378	sh_r = ecb_ctz32 (visual->red_mask);
		379	sh_g = ecb_ctz32 (visual->green_mask);
		380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
		382
		383	if (width > 32767 || height > 32767)
		384	return false;
		385
		386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		387	width, height, 32, 0);
		388	if (!ximage)
		389	return false;
		390
		391	if (height > INT_MAX / ximage->bytes_per_line
		392	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
399	}	393	{
400		394	XDestroyImage (ximage);
401	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
402	{	396	}
403	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
404	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
405	100, ASIMAGE_QUALITY_DEFAULT);	399
406	if (tmp)	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		401	channels = gdk_pixbuf_get_n_channels (pixbuf);
		402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		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	}
		414
		415	for (int y = 0; y < height; y++)
		416	{
		417	for (int x = 0; x < width; x++)
		418	{
		419	unsigned char *pixel = row + x * channels;
		420	uint32_t value;
		421	unsigned char r, g, b, a;
		422
		423	if (channels == 4)
407	{	424	{
408	destroy_asimage (&background);	425	a = pixel[3];
409	background = tmp;	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
		438	value = ((r >> (8 - width_r)) << sh_r)
		439	| ((g >> (8 - width_g)) << sh_g)
		440	| ((b >> (8 - width_b)) << sh_b)
		441	| ((a >> (8 - width_a)) << sh_a);
		442
		443	if (ximage->bits_per_pixel == 32)
		444	((uint32_t *)line)[x] = value;
		445	else
		446	XPutPixel (ximage, x, y, value);
410	}	447	}
411	}
412	# endif
413		448
414	ASImage *result = 0;	449	row += rowstride;
		450	line += ximage->bytes_per_line;
		451	}
		452
		453	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		454	XDestroyImage (ximage);
		455	return true;
		456	}
		457
		458	bool
		459	rxvt_term::render_image (bool transparent)
		460	{
		461	if (!pixbuf)
		462	return false;
		463
		464	if (transparent
		465	&& !(bg_flags & BG_HAS_RENDER))
		466	return false;
		467
		468	GdkPixbuf *result;
		469
		470	int image_width = gdk_pixbuf_get_width (pixbuf);
		471	int image_height = gdk_pixbuf_get_height (pixbuf);
415		472
416	int target_width = szHint.width;	473	int target_width = szHint.width;
417	int target_height = szHint.height;	474	int target_height = szHint.height;
418	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
419	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
421	int x = 0;	478	int x = 0;
422	int y = 0;	479	int y = 0;
423	int w = 0;	480	int w = 0;
424	int h = 0;	481	int h = 0;
425		482
426	if (original_asim)
427	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
428
429	if (!original_asim
430	|| (!(bg_flags & BG_ROOT_ALIGN)
431	&& (x >= target_width
432	|| y >= target_height
433	|| (x + w <= 0)
434	|| (y + h <= 0))))
435	{
436	if (background)
437	{
438	new_pmap_width = background->width;
439	new_pmap_height = background->height;
440	result = background;
441
442	if (background_tint != TINT_LEAVE_SAME)
443	{
444	ASImage *tmp = tile_asimage (asv, background, 0, 0,
445	target_width, target_height, background_tint,
446	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
447	if (tmp)
448	result = tmp;
449	}
450	}
451	else
452	new_pmap_width = new_pmap_height = 0;
453	}
454	else
455	{
456	result = original_asim;
457
458	if ((w != original_asim->width)
459	|| (h != original_asim->height))
460	{
461	result = scale_asimage (asv, original_asim,
462	w, h,
463	background ? ASA_ASImage : ASA_XImage,
464	100, ASIMAGE_QUALITY_DEFAULT);
465	}
466
467	if (background == NULL)
468	{
469	if (bg_flags & BG_TILE)
470	{
471	/* if tiling - pixmap has to be sized exactly as the image,
472	but there is no need to make it bigger than the window! */
473	new_pmap_width = min (result->width, target_width);
474	new_pmap_height = min (result->height, target_height);
475
476	/* we also need to tile our image in both directions */
477	ASImage *tmp = tile_asimage (asv, result,
478	(int)result->width - x,
479	(int)result->height - y,
480	new_pmap_width,
481	new_pmap_height,
482	TINT_LEAVE_SAME, ASA_XImage,
483	100, ASIMAGE_QUALITY_DEFAULT);
484	if (tmp)
485	{
486	if (result != original_asim)
487	destroy_asimage (&result);
488
489	result = tmp;
490	}
491	}
492	}
493	else
494	{
495	/* if blending background and image - pixmap has to be sized same as target window */
496	ASImageLayer *layers = create_image_layers (2);
497
498	layers[0].im = background;
499	layers[0].clip_width = target_width;
500	layers[0].clip_height = target_height;
501	layers[0].tint = background_tint;
502	layers[1].im = result;
503
504	if (bg_flags & BG_TILE)
505	{
506	/* tile horizontally */
507	while (x > 0) x -= (int)result->width;
508	layers[1].dst_x = x;
509	layers[1].clip_width = result->width+target_width;
510	}
511	else
512	{
513	/* clip horizontally */
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width;
516	}
517
518	if (bg_flags & BG_TILE)
519	{
520	while (y > 0) y -= (int)result->height;
521	layers[1].dst_y = y;
522	layers[1].clip_height = result->height + target_height;
523	}
524	else
525	{
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height;
528	}
529
530	if (rs[Rs_blendtype])
531	{
532	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
533	if (layers[1].merge_scanlines == NULL)
534	layers[1].merge_scanlines = alphablend_scanlines;
535	}
536
537	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
538	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
539
540	if (tmp)
541	{
542	if (result != original_asim)
543	destroy_asimage (&result);
544
545	result = tmp;
546	}
547
548	free (layers);
549	}
550	}
551
552	bool ret = false;
553
554	if (result)
555	{
556	XGCValues gcv;
557	GC gc;
558
559	/* create Pixmap */
560	if (bg_pixmap == None
561	|| bg_pmap_width != new_pmap_width
562	|| bg_pmap_height != new_pmap_height)
563	{
564	if (bg_pixmap)
565	XFreePixmap (dpy, bg_pixmap);
566	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
567	bg_pmap_width = new_pmap_width;
568	bg_pmap_height = new_pmap_height;
569	}
570	/* fill with background color (if result's not completely overlapping it) */
571	gcv.foreground = pix_colors[Color_bg];
572	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
573
574	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
575	int dst_width = result->width, dst_height = result->height;
576	if (background == NULL)
577	{
578	if (!(bg_flags & BG_TILE))
579	{
580	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
581	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
582	}
583
584	if (dst_x > 0 || dst_y > 0
585	|| dst_x + dst_width < new_pmap_width
586	|| dst_y + dst_height < new_pmap_height)
587	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
588	}
589
590	/* put result on pixmap */
591	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
592	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
593
594	if (result != background && result != original_asim)
595	destroy_asimage (&result);
596
597	XFreeGC (dpy, gc);
598
599	ret = true;
600	}
601
602	if (background)
603	destroy_asimage (&background);
604
605	return ret;
606	}
607	# endif /* HAVE_AFTERIMAGE */
608
609	# ifdef HAVE_PIXBUF
610	bool
611	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
612	int src_x, int src_y, int dst_x, int dst_y,
613	unsigned int width, unsigned int height)
614	{
615	XImage *ximage;
616	char *data, *line;
617	int bytes_per_pixel;
618	int width_r, width_g, width_b;
619	int sh_r, sh_g, sh_b;
620	int rowstride;
621	int channels;
622	unsigned char *row;
623
624	if (visual->c_class != TrueColor)
625	return false;
626
627	if (depth == 24 || depth == 32)
628	bytes_per_pixel = 4;
629	else if (depth == 15 || depth == 16)
630	bytes_per_pixel = 2;
631	else
632	return false;
633
634	width_r = ecb_popcount32 (visual->red_mask);
635	width_g = ecb_popcount32 (visual->green_mask);
636	width_b = ecb_popcount32 (visual->blue_mask);
637
638	if (width_r > 8 || width_g > 8 || width_b > 8)
639	return false;
640
641	sh_r = ecb_ctz32 (visual->red_mask);
642	sh_g = ecb_ctz32 (visual->green_mask);
643	sh_b = ecb_ctz32 (visual->blue_mask);
644
645	if (width > INT_MAX / height / bytes_per_pixel)
646	return false;
647
648	data = (char *)malloc (width * height * bytes_per_pixel);
649	if (!data)
650	return false;
651
652	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
653	width, height, bytes_per_pixel * 8, 0);
654	if (!ximage)
655	{
656	free (data);
657	return false;
658	}
659
660	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
661
662	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
663	channels = gdk_pixbuf_get_n_channels (pixbuf);
664	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
665	line = data;
666
667	for (int y = 0; y < height; y++)
668	{
669	for (int x = 0; x < width; x++)
670	{
671	unsigned char *pixel = row + x * channels;
672	uint32_t value;
673
674	value = ((pixel[0] >> (8 - width_r)) << sh_r)
675	| ((pixel[1] >> (8 - width_g)) << sh_g)
676	| ((pixel[2] >> (8 - width_b)) << sh_b);
677
678	if (bytes_per_pixel == 4)
679	((uint32_t *)line)[x] = value;
680	else
681	((uint16_t *)line)[x] = value;
682	}
683
684	row += rowstride;
685	line += ximage->bytes_per_line;
686	}
687
688	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
689	XDestroyImage (ximage);
690	return true;
691	}
692
693	bool
694	rxvt_term::render_image (unsigned long tr_flags)
695	{
696	if (!pixbuf)
697	return false;
698
699	if (tr_flags
700	&& !(bg_flags & BG_HAS_RENDER))
701	return false;
702
703	GdkPixbuf *result;
704
705	int image_width = gdk_pixbuf_get_width (pixbuf);
706	int image_height = gdk_pixbuf_get_height (pixbuf);
707
708	int target_width = szHint.width;
709	int target_height = szHint.height;
710	int new_pmap_width = target_width;
711	int new_pmap_height = target_height;
712
713	int x = 0;
714	int y = 0;
715	int w = 0;
716	int h = 0;
717
718	get_image_geometry (image_width, image_height, w, h, x, y);	483	get_image_geometry (image_width, image_height, w, h, x, y);
719		484
720	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
721	&& (x >= target_width	486	&& (x >= target_width
722	|| y >= target_height	487	|| y >= target_height
723	|| (x + w <= 0)	488	|| x + w <= 0
724	|| (y + h <= 0)))	489	|| y + h <= 0))
725	return false;	490	return false;
726		491
727	result = pixbuf;	492	result = pixbuf;
728		493
729	if ((w != image_width)	494	if (w != image_width
730	|| (h != image_height))	495	|| h != image_height)
731	{	496	{
732	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
733	w, h,	498	w, h,
734	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
735	}	500	}
…		…
744	Pixmap root_pmap;	509	Pixmap root_pmap;
745		510
746	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
747	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
748		513
749	if (tr_flags)	514	if (transparent)
750	{	515	{
751	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
752	bg_pixmap = None;	517	bg_pixmap = None;
753	}	518	}
754	else	519	else
…		…
812	dst_x, dst_y,	577	dst_x, dst_y,
813	dst_width, dst_height);	578	dst_width, dst_height);
814	}	579	}
815		580
816	#if XRENDER	581	#if XRENDER
817	if (tr_flags)	582	if (transparent)
818	{	583	{
819	XRenderPictureAttributes pa;
820
821	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
822	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
823		587
824	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
825	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
826		589
827	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
828	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
829	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
830	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
831	XFreePixmap (dpy, mask_pmap);
832		591
833	XRenderColor mask_c;	592	XRenderColor mask_c;
834		593
835	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
836	mask_c.red = 0;	595	mask_c.red =
837	mask_c.green = 0;	596	mask_c.green =
838	mask_c.blue = 0;	597	mask_c.blue = 0;
839	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
840	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);
841		601
842	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
851	}	611	}
852		612
853	if (result != pixbuf)	613	if (result != pixbuf)
854	g_object_unref (result);	614	g_object_unref (result);
855		615
856	if (tr_flags)	616	if (transparent)
857	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
858		618
859	return ret;	619	return ret;
860	}	620	}
861	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
864	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
865	{	625	{
866	if (!file || !*file)	626	if (!file || !*file)
867	return false;	627	return false;
868		628
		629	bool ret = false;
869	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
870	{	633	{
871	size_t len = p - file;	634	size_t len = p - file;
872	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
873	memcpy (f, file, len);	636	memcpy (f, file, len);
874	f[len] = '\0';	637	f[len] = '\0';
875	file = f;	638	file = f;
876	}	639	}
877		640
878	# ifdef HAVE_AFTERIMAGE
879	if (!asimman)
880	asimman = create_generic_imageman (rs[Rs_path]);
881	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
882	if (image)
883	{
884	if (original_asim)
885	safe_asimage_destroy (original_asim);
886	original_asim = image;
887	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
888	return true;
889	}
890	# endif
891
892	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
893	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
894	if (image)	643	if (image)
895	{	644	{
896	if (pixbuf)	645	if (pixbuf)
897	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
898	pixbuf = image;	647	pixbuf = image;
899	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
900	return true;	649	ret = true;
901	}	650	}
902	# endif	651	# endif
903		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
904	return false;	661	return ret;
905	}	662	}
906		663
907	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
908		665
909	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
910	bool
911	rxvt_term::bg_set_transparent ()
912	{
913	if (!(bg_flags & BG_IS_TRANSPARENT))
914	{
915	bg_flags |= BG_IS_TRANSPARENT;
916	return true;
917	}
918
919	return false;
920	}
921
922	bool	667	bool
923	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
924	{	669	{
925	bool changed = false;	670	bool changed = false;
926	unsigned int hr, vr;	671	unsigned int hr, vr;
…		…
945	{	690	{
946	changed = true;	691	changed = true;
947	v_blurRadius = vr;	692	v_blurRadius = vr;
948	}	693	}
949		694
950	if (v_blurRadius == 0 && h_blurRadius == 0)
951	bg_flags &= ~BG_NEEDS_BLUR;
952	else
953	bg_flags |= BG_NEEDS_BLUR;
954
955	return changed;	695	return changed;
956	}	696	}
957		697
958	void	698	bool
959	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
960	{	700	{
961	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	701	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
962	bool has_shade = shade != 100;	702	{
963		703	tint = new_tint;
964	bg_flags &= ~BG_TINT_FLAGS;	704	bg_flags |= BG_TINT_SET;
965		705
966	if (bg_flags & BG_TINT_SET)	706	rgba c;
967	{
968	tint.get (c);	707	tint.get (c);
969	if (!has_shade
970	&& (c.r <= 0x00ff || c.r >= 0xff00)	708	if ((c.r <= 0x00ff || c.r >= 0xff00)
971	&& (c.g <= 0x00ff || c.g >= 0xff00)	709	&& (c.g <= 0x00ff || c.g >= 0xff00)
972	&& (c.b <= 0x00ff || c.b >= 0xff00))	710	&& (c.b <= 0x00ff || c.b >= 0xff00))
973	bg_flags |= BG_TINT_BITAND;	711	bg_flags |= BG_TINT_BITAND;
974	}	712	else
975
976	if (has_shade || (bg_flags & BG_TINT_SET))
977	bg_flags |= BG_NEEDS_TINT;
978	}
979
980	bool
981	rxvt_term::bg_set_tint (rxvt_color &new_tint)
982	{
983	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
984	{
985	tint = new_tint;
986	bg_flags |= BG_TINT_SET;	713	bg_flags &= ~BG_TINT_BITAND;
987	set_tint_shade_flags ();	714
988	return true;	715	return true;
989	}	716	}
990		717
991	return false;	718	return false;
992	}	719	}
993		720
994	bool	721	bool
995	rxvt_term::bg_set_shade (const char *shade_str)	722	rxvt_term::bg_set_shade (const char *shade_str)
996	{	723	{
997	int new_shade = (shade_str) ? atoi (shade_str) : 100;	724	int new_shade = atoi (shade_str);
998		725
999	clamp_it (new_shade, -100, 200);	726	clamp_it (new_shade, -100, 200);
1000	if (new_shade < 0)	727	if (new_shade < 0)
1001	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
1002		729
1003	if (new_shade != shade)	730	if (new_shade != shade)
1004	{	731	{
1005	shade = new_shade;	732	shade = new_shade;
1006	set_tint_shade_flags ();
1007	return true;	733	return true;
1008	}	734	}
1009		735
1010	return false;	736	return false;
1011	}	737	}
…		…
1032	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1033	}	759	}
1034	#endif	760	#endif
1035		761
1036	bool	762	bool
1037	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	763	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1038	{	764	{
1039	bool ret = false;	765	bool ret = false;
1040	#if XRENDER	766	#if XRENDER
		767	if (!(bg_flags & BG_HAS_RENDER_CONV))
		768	return false;
		769
1041	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	770	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1042	double *kernel = (double *)malloc (size * sizeof (double));	771	double *kernel = (double *)malloc (size * sizeof (double));
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	772	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		773
1045	XRenderPictureAttributes pa;	774	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		776
		777	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1050		782
1051	if (kernel && params)	783	if (kernel && params)
1052	{	784	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		787
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1060	PictOpSrc,	790	PictOpSrc,
1061	src,	791	src,
1062	None,	792	None,
1063	dst,	793	dst,
1064	0, 0,	794	0, 0,
1065	0, 0,	795	0, 0,
1066	0, 0,	796	0, 0,
1067	width, height);	797	width, height);
1068	}
1069		798
1070	if (v_blurRadius)	799	::swap (src, dst);
1071	{	800
1072	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1075		804
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1078	PictOpSrc,	807	PictOpSrc,
1079	src,	808	src,
1080	None,	809	None,
1081	dst,	810	dst,
1082	0, 0,	811	0, 0,
1083	0, 0,	812	0, 0,
1084	0, 0,	813	0, 0,
1085	width, height);	814	width, height);
1086	}
1087		815
1088	ret = true;	816	ret = true;
1089	}	817	}
1090		818
1091	free (kernel);	819	free (kernel);
…		…
1095	#endif	823	#endif
1096	return ret;	824	return ret;
1097	}	825	}
1098		826
1099	bool	827	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	829	{
1102	bool ret = false;	830	bool ret = false;
1103		831
1104	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	833	{
1106	XGCValues gcv;	834	XGCValues gcv;
1107	GC gc;	835	GC gc;
1108		836
1109	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1118	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	846	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1119	ret = true;	847	ret = true;
1120	XFreeGC (dpy, gc);	848	XFreeGC (dpy, gc);
1121	}	849	}
1122	}	850	}
1123	else
1124	{
1125	# if XRENDER	851	# if XRENDER
		852	else if (bg_flags & BG_HAS_RENDER)
		853	{
1126	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	854	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1127		855
1128	if (bg_flags & BG_TINT_SET)	856	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	857	tint.get (c);
1130		858
…		…
1139	c.r = c.r * (200 - shade) / 100;	867	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	868	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	869	c.b = c.b * (200 - shade) / 100;
1142	}	870	}
1143		871
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	872	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		873
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	874	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		875
1150	pa.repeat = True;	876	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		877
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	878	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		879
1161	XRenderColor mask_c;	880	XRenderColor mask_c;
1162		881
1163	mask_c.alpha = 0xffff;	882	mask_c.alpha = 0xffff;
1164	mask_c.red =	883	mask_c.red =
…		…
1169	mask_c.alpha = 0;	888	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	889	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	890	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	891	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	894	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		895
1176	if (shade > 100)	896	if (shade > 100)
1177	{	897	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	898	mask_c.alpha = 0;
		899	mask_c.red =
		900	mask_c.green =
		901	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		903
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	904	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	905	}
1184		906
1185	ret = true;	907	ret = true;
1186		908
1187	XRenderFreePicture (dpy, mask_pic);	909	XRenderFreePicture (dpy, mask_pic);
1188	XRenderFreePicture (dpy, overlay_pic);	910	XRenderFreePicture (dpy, overlay_pic);
1189	XRenderFreePicture (dpy, back_pic);	911	XRenderFreePicture (dpy, back_pic);
		912	}
1190	# endif	913	# endif
1191	}
1192		914
1193	return ret;	915	return ret;
1194	}	916	}
1195		917
1196	/*	918	/*
1197	* 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
1198	* 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
1199	* our window.	921	* our window.
1200	*/	922	*/
1201	unsigned long	923	bool
1202	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1203	{	925	{
1204	unsigned long result = 0;	926	bool ret = false;
1205		927
1206	/* 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
1207	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1208	*/	930	*/
1209	int screen = display->screen;	931	int screen = display->screen;
…		…
1247	#if XRENDER	969	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	970	if (bg_flags & BG_HAS_RENDER)
1249	{	971	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	972	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		973
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	974	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	975	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		976
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	977	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	978	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		979
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	980	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		981
1262	XRenderFreePicture (dpy, src);	982	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	983	XRenderFreePicture (dpy, dst);
…		…
1280	bg_pmap_width = window_width;	1000	bg_pmap_width = window_width;
1281	bg_pmap_height = window_height;	1001	bg_pmap_height = window_height;
1282	}	1002	}
1283		1003
1284	/* straightforward pixmap copy */	1004	/* straightforward pixmap copy */
1285	while (sx < 0) sx += root_width;	1005	while (sx < 0) sx += root_pmap_width;
1286	while (sy < 0) sy += root_height;	1006	while (sy < 0) sy += root_pmap_height;
1287		1007
1288	gcv.tile = recoded_root_pmap;	1008	gcv.tile = recoded_root_pmap;
1289	gcv.fill_style = FillTiled;	1009	gcv.fill_style = FillTiled;
1290	gcv.ts_x_origin = -sx;	1010	gcv.ts_x_origin = -sx;
1291	gcv.ts_y_origin = -sy;	1011	gcv.ts_y_origin = -sy;
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1013
1294	if (gc)	1014	if (gc)
1295	{	1015	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	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);
		1020
		1021	if (!(bg_flags & BG_CLIENT_RENDER))
		1022	{
		1023	if (need_blur)
		1024	{
		1025	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1026	need_blur = false;
		1027	}
		1028	if (need_tint)
		1029	{
		1030	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1031	need_tint = false;
		1032	}
		1033	if (need_tint)
		1034	{
		1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1036	if (ximage)
		1037	{
		1038	/* our own client-side tinting */
		1039	tint_ximage (ximage);
		1040
		1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1042	XDestroyImage (ximage);
		1043	}
		1044	}
		1045	} /* server side rendering completed */
		1046
1298	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if ((bg_flags & BG_NEEDS_BLUR)
1303	&& (bg_flags & BG_HAS_RENDER_CONV))
1304	{
1305	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1306	result &= ~BG_NEEDS_BLUR;
1307	}
1308	if ((bg_flags & BG_NEEDS_TINT)
1309	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1310	{
1311	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1312	result &= ~BG_NEEDS_TINT;
1313	}
1314	} /* server side rendering completed */
1315	}	1048	}
1316		1049
1317	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1318	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1319		1052
1320	return result;	1053	return ret;
1321	}	1054	}
1322		1055
1323	void	1056	void
1324	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1325	{	1058	{
…		…
1329		1062
1330	root_pixmap = new_root_pixmap;	1063	root_pixmap = new_root_pixmap;
1331	}	1064	}
1332	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1333		1066
1334	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1335	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1336	# endif
1337
1338	bool	1067	bool
1339	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1340	{	1069	{
1341	unsigned long tr_flags = 0;	1070	bool transparent = false;
1342		1071
1343	bg_invalidate ();	1072	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1075	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1349	if (tr_flags == 0)	1078	if (transparent)
1350	return false;
1351	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1352	bg_flags |= BG_IS_VALID;	1079	bg_flags |= BG_IS_VALID;
1353	}	1080	}
1354	# endif	1081	# endif
1355		1082
1356	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1357	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1358	|| (tr_flags & BG_EFFECTS_FLAGS))
1359	{	1085	{
1360	if (render_image (tr_flags))	1086	if (render_image (transparent))
1361	bg_flags |= BG_IS_VALID;	1087	bg_flags |= BG_IS_VALID;
1362	}
1363	# endif
1364
1365	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1366	XImage *result = NULL;
1367
1368	if (tr_flags && !(bg_flags & BG_IS_VALID))
1369	{
1370	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1371	}
1372
1373	if (result)
1374	{
1375	/* our own client-side tinting */
1376	if (tr_flags & BG_NEEDS_TINT)
1377	{
1378	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1379	if (bg_flags & BG_TINT_SET)
1380	tint.get (c);
1381	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1382	}
1383
1384	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1385
1386	if (gc)
1387	{
1388	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1389
1390	XFreeGC (dpy, gc);
1391	bg_flags |= BG_IS_VALID;
1392	}
1393
1394	XDestroyImage (result);
1395	}	1088	}
1396	# endif	1089	# endif
1397		1090
1398	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
1399	{	1092	{
…		…
1436	#endif	1129	#endif
1437	}	1130	}
1438		1131
1439	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1440		1133
1441	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1442	/* taken from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1443		1136
1444	static void	1137	static inline void
1445	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1446	{	1139	{
		1140	for (int i = 0; i <= mask >> sh; i++)
		1141	{
		1142	uint32_t tmp;
		1143	tmp = i * high;
		1144	tmp += (mask >> sh) * low;
		1145	lookup[i] = (tmp / 0xffff) << sh;
		1146	}
		1147	}
		1148
		1149	void
		1150	rxvt_term::tint_ximage (XImage *ximage)
		1151	{
		1152	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1155	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	rgba low;	1156	unsigned short low;
1451	rgba high;
1452	int i;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1454		1158
1455	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1159	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1456		1160
1457	/* for convenience */	1161	/* for convenience */
1458	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1461		1165
1462	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1464	{	1168	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1170
1467	(mask_g != 0x03e0) ||	1171	size_r = mask_r >> sh_r;
1468	(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)
1469	return;	1176	return;
1470	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));
1471	lookup_r = lookup;	1179	lookup_r = lookup;
1472	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;	1182
1475	sh_g = 5;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1476	sh_b = 0;	1184
1477	break;	1185	if (bg_flags & BG_TINT_SET)
1478	case 16:	1186	tint.get (c);
1479	if ((mask_r != 0xf800) ||
1480	(mask_g != 0x07e0) ||
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	case 32:
1505	if ((mask_r != 0xff0000) ||
1506	(mask_g != 0x00ff00) ||
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1187
1521	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1189	if (shade > 100)
1523	{	1190	{
1524	shade = 200 - shade;
1525
1526	high.r = c.r * shade / 100;
1527	high.g = c.g * shade / 100;
1528	high.b = c.b * shade / 100;
1529
1530	low.r = 65535 * (100 - shade) / 100;	1191	c.r = c.r * (200 - shade) / 100;
1531	low.g = 65535 * (100 - shade) / 100;	1192	c.g = c.g * (200 - shade) / 100;
1532	low.b = 65535 * (100 - shade) / 100;	1193	c.b = c.b * (200 - shade) / 100;
		1194
		1195	low = 0xffff * (shade - 100) / 100;
1533	}	1196	}
1534	else	1197	else
1535	{	1198	{
1536	high.r = c.r * shade / 100;	1199	c.r = c.r * shade / 100;
1537	high.g = c.g * shade / 100;	1200	c.g = c.g * shade / 100;
1538	high.b = c.b * shade / 100;	1201	c.b = c.b * shade / 100;
1539		1202
1540	low.r = low.g = low.b = 0;	1203	low = 0;
1541	}	1204	}
1542		1205
1543	/* fill our lookup tables */	1206	/* fill our lookup tables */
1544	for (i = 0; i <= mask_r>>sh_r; i++)	1207	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1545	{	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	uint32_t tmp;	1209	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547	tmp = i * high.r;
1548	tmp += (mask_r>>sh_r) * low.r;
1549	lookup_r[i] = (tmp/65535)<<sh_r;
1550	}
1551	for (i = 0; i <= mask_g>>sh_g; i++)
1552	{
1553	uint32_t tmp;
1554	tmp = i * high.g;
1555	tmp += (mask_g>>sh_g) * low.g;
1556	lookup_g[i] = (tmp/65535)<<sh_g;
1557	}
1558	for (i = 0; i <= mask_b>>sh_b; i++)
1559	{
1560	uint32_t tmp;
1561	tmp = i * high.b;
1562	tmp += (mask_b>>sh_b) * low.b;
1563	lookup_b[i] = (tmp/65535)<<sh_b;
1564	}
1565		1210
1566	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1567	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1568	&& (ximage->depth == 24 || ximage->depth == 32)
1569	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1570	{	1214	{
1571	uint32_t *p1, *pf, *p, *pl;	1215	char *line = ximage->data;
1572	p1 = (uint32_t *) ximage->data;
1573	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1574		1216
1575	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1576	{
1577	p = p1;
1578	pl = p1 + ximage->width;
1579	for (; p < pl; p++)
1580	{	1218	{
1581	*p = lookup_r[(*p & 0xff0000) >> 16] |	1219	uint32_t *p = (uint32_t *)line;
1582	lookup_g[(*p & 0x00ff00) >> 8] |	1220	for (int x = 0; x < ximage->width; x++)
1583	lookup_b[(*p & 0x0000ff)] |
1584	(*p & 0xff000000);
1585	}	1221	{
1586	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;
1587	}	1228	}
1588	}	1229	}
1589	else	1230	else
1590	{	1231	{
1591	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1599	}	1240	}
1600	}	1241	}
1601		1242
1602	free (lookup);	1243	free (lookup);
1603	}	1244	}
1604	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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