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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.163 by sf-exg, Sat Aug 13 09:05:44 2011 UTC vs.
Revision 1.210 by sf-exg, Sat May 12 09:43:06 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;
		183	w = h = windowScale;
223	x = y = centerAlign;	184	x = y = centerAlign;
224	geom_flags = XValue|YValue;	185	geom_flags = WidthValue|HeightValue|XValue|YValue;
225	}	186	}
226	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
227	{	188	{
228	new_flags = 0;	189	new_flags = 0;
229	w = h = windowScale;	190	w = h = windowScale;
…		…
242	w = h = noScale;	203	w = h = noScale;
243	geom_flags = WidthValue|HeightValue;	204	geom_flags = WidthValue|HeightValue;
244	}	205	}
245	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
246	new_flags |= BG_TILE;	207	new_flags |= BG_TILE;
247	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
248	new_flags |= BG_PROP_SCALE;	209	new_flags |= BG_KEEP_ASPECT;
249	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
250	new_flags |= BG_ROOT_ALIGN;	211	new_flags |= BG_ROOT_ALIGN;
251		212
252	// deprecated	213	// deprecated
253	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
254	{	215	{
…		…
256	w = h = noScale;	217	w = h = noScale;
257	geom_flags |= WidthValue|HeightValue;	218	geom_flags |= WidthValue|HeightValue;
258	}	219	}
259	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
260	{	221	{
261	new_flags |= BG_PROP_SCALE;	222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
262	}	225	}
263	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
264	{	227	{
265	new_flags |= BG_TILE;	228	new_flags |= BG_TILE;
266	w = windowScale;	229	w = windowScale;
…		…
296	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
297	} /* done parsing ops */	260	} /* done parsing ops */
298		261
299	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
300	}	263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
301		266
302	if (!update)	267	if (!update)
303	{	268	{
304	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
305	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
310	w = h = defaultScale;	275	w = h = defaultScale;
311	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
312	h = w;	277	h = w;
313	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
314	w = h;	279	w = h;
315
316	geom_flags |= WidthValue|HeightValue|XValue|YValue;
317	}	280	}
318		281
319	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
320	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
321	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
322	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
323		286
324	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)
325	{	292	{
326	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;
327	changed = true;	298	changed = true;
328	}	299	}
329		300
330	return changed;	301	return changed;
331	}	302	}
…		…
334	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
335	{	306	{
336	int target_width = szHint.width;	307	int target_width = szHint.width;
337	int target_height = szHint.height;	308	int target_height = szHint.height;
338		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
339	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
340	{	314	{
341	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
342	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
343	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
344	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
345	}	319	}
346	else
347	{
348	w = h_scale * target_width / 100;
349	h = v_scale * target_height / 100;
350	}
351		320
352	if (!w) w = image_width;	321	if (!w) w = image_width;
353	if (!h) h = image_height;	322	if (!h) h = image_height;
354		323
355	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
361	{	330	{
362	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
363	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
364	}	333	}
365		334
366	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
367	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
368	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale	336	|| h_scale || v_scale
369	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
370	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
371	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
372	}	342	}
373		343
374	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
375	bool	345	bool
376	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)
377	{	349	{
378	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;
379		358
380	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
381	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
382		361
383	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
384	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
385	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;
386		369
387	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
388	{	371	width_g = ecb_popcount32 (visual->green_mask);
389	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
390	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
391		374
392	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)
393	if (bg_flags & BG_TINT_SET)	376	return false;
394	tint.get (c);
395	as_shade.tintColor.red = c.r;
396	as_shade.tintColor.green = c.g;
397	as_shade.tintColor.blue = c.b;
398		377
399	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)))
400	}	393	{
401		394	XDestroyImage (ximage);
402	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
403	{	396	}
404	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
405	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
406	100, ASIMAGE_QUALITY_DEFAULT);	399
407	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)
408	{	424	{
409	destroy_asimage (&background);	425	a = pixel[3];
410	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);
411	}	447	}
412	}
413	# endif
414		448
415	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);
416		472
417	int target_width = szHint.width;	473	int target_width = szHint.width;
418	int target_height = szHint.height;	474	int target_height = szHint.height;
419	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
420	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
422	int x = 0;	478	int x = 0;
423	int y = 0;	479	int y = 0;
424	int w = 0;	480	int w = 0;
425	int h = 0;	481	int h = 0;
426		482
427	if (original_asim)
428	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
429
430	if (!original_asim
431	|| (!(bg_flags & BG_ROOT_ALIGN)
432	&& (x >= target_width
433	|| y >= target_height
434	|| (x + w <= 0)
435	|| (y + h <= 0))))
436	{
437	if (background)
438	{
439	new_pmap_width = background->width;
440	new_pmap_height = background->height;
441	result = background;
442
443	if (background_tint != TINT_LEAVE_SAME)
444	{
445	ASImage *tmp = tile_asimage (asv, background, 0, 0,
446	target_width, target_height, background_tint,
447	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
448	if (tmp)
449	result = tmp;
450	}
451	}
452	else
453	new_pmap_width = new_pmap_height = 0;
454	}
455	else
456	{
457	result = original_asim;
458
459	if ((w != original_asim->width)
460	|| (h != original_asim->height))
461	{
462	result = scale_asimage (asv, original_asim,
463	w, h,
464	background ? ASA_ASImage : ASA_XImage,
465	100, ASIMAGE_QUALITY_DEFAULT);
466	}
467
468	if (background == NULL)
469	{
470	if (bg_flags & BG_TILE)
471	{
472	/* if tiling - pixmap has to be sized exactly as the image,
473	but there is no need to make it bigger than the window! */
474	new_pmap_width = min (result->width, target_width);
475	new_pmap_height = min (result->height, target_height);
476
477	/* we also need to tile our image in both directions */
478	ASImage *tmp = tile_asimage (asv, result,
479	(int)result->width - x,
480	(int)result->height - y,
481	new_pmap_width,
482	new_pmap_height,
483	TINT_LEAVE_SAME, ASA_XImage,
484	100, ASIMAGE_QUALITY_DEFAULT);
485	if (tmp)
486	{
487	if (result != original_asim)
488	destroy_asimage (&result);
489
490	result = tmp;
491	}
492	}
493	}
494	else
495	{
496	/* if blending background and image - pixmap has to be sized same as target window */
497	ASImageLayer *layers = create_image_layers (2);
498
499	layers[0].im = background;
500	layers[0].clip_width = target_width;
501	layers[0].clip_height = target_height;
502	layers[0].tint = background_tint;
503	layers[1].im = result;
504
505	if (bg_flags & BG_TILE)
506	{
507	/* tile horizontally */
508	while (x > 0) x -= (int)result->width;
509	layers[1].dst_x = x;
510	layers[1].clip_width = result->width+target_width;
511	}
512	else
513	{
514	/* clip horizontally */
515	layers[1].dst_x = x;
516	layers[1].clip_width = result->width;
517	}
518
519	if (bg_flags & BG_TILE)
520	{
521	while (y > 0) y -= (int)result->height;
522	layers[1].dst_y = y;
523	layers[1].clip_height = result->height + target_height;
524	}
525	else
526	{
527	layers[1].dst_y = y;
528	layers[1].clip_height = result->height;
529	}
530
531	if (rs[Rs_blendtype])
532	{
533	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
534	if (layers[1].merge_scanlines == NULL)
535	layers[1].merge_scanlines = alphablend_scanlines;
536	}
537
538	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
539	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
540
541	if (tmp)
542	{
543	if (result != original_asim)
544	destroy_asimage (&result);
545
546	result = tmp;
547	}
548
549	free (layers);
550	}
551	}
552
553	bool ret = false;
554
555	if (result)
556	{
557	XGCValues gcv;
558	GC gc;
559
560	/* create Pixmap */
561	if (bg_pixmap == None
562	|| bg_pmap_width != new_pmap_width
563	|| bg_pmap_height != new_pmap_height)
564	{
565	if (bg_pixmap)
566	XFreePixmap (dpy, bg_pixmap);
567	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
568	bg_pmap_width = new_pmap_width;
569	bg_pmap_height = new_pmap_height;
570	}
571	/* fill with background color (if result's not completely overlapping it) */
572	gcv.foreground = pix_colors[Color_bg];
573	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
574
575	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
576	int dst_width = result->width, dst_height = result->height;
577	if (background == NULL)
578	{
579	if (!(bg_flags & BG_TILE))
580	{
581	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
582	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
583	}
584
585	if (dst_x > 0 || dst_y > 0
586	|| dst_x + dst_width < new_pmap_width
587	|| dst_y + dst_height < new_pmap_height)
588	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
589	}
590
591	/* put result on pixmap */
592	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
593	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
594
595	if (result != background && result != original_asim)
596	destroy_asimage (&result);
597
598	XFreeGC (dpy, gc);
599
600	ret = true;
601	}
602
603	if (background)
604	destroy_asimage (&background);
605
606	return ret;
607	}
608	# endif /* HAVE_AFTERIMAGE */
609
610	# ifdef HAVE_PIXBUF
611	bool
612	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
613	int src_x, int src_y, int dst_x, int dst_y,
614	unsigned int width, unsigned int height)
615	{
616	XImage *ximage;
617	char *data, *line;
618	int bytes_per_pixel;
619	int width_r, width_g, width_b;
620	int sh_r, sh_g, sh_b;
621	int rowstride;
622	int channels;
623	unsigned char *row;
624
625	if (visual->c_class != TrueColor)
626	return false;
627
628	if (depth == 24 || depth == 32)
629	bytes_per_pixel = 4;
630	else if (depth == 15 || depth == 16)
631	bytes_per_pixel = 2;
632	else
633	return false;
634
635	width_r = ecb_popcount32 (visual->red_mask);
636	width_g = ecb_popcount32 (visual->green_mask);
637	width_b = ecb_popcount32 (visual->blue_mask);
638
639	if (width_r > 8 || width_g > 8 || width_b > 8)
640	return false;
641
642	sh_r = ecb_ctz32 (visual->red_mask);
643	sh_g = ecb_ctz32 (visual->green_mask);
644	sh_b = ecb_ctz32 (visual->blue_mask);
645
646	if (width > INT_MAX / height / bytes_per_pixel)
647	return false;
648
649	data = (char *)malloc (width * height * bytes_per_pixel);
650	if (!data)
651	return false;
652
653	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
654	width, height, bytes_per_pixel * 8, 0);
655	if (!ximage)
656	{
657	free (data);
658	return false;
659	}
660
661	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
662
663	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
664	channels = gdk_pixbuf_get_n_channels (pixbuf);
665	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
666	line = data;
667
668	for (int y = 0; y < height; y++)
669	{
670	for (int x = 0; x < width; x++)
671	{
672	unsigned char *pixel = row + x * channels;
673	uint32_t value;
674
675	value = ((pixel[0] >> (8 - width_r)) << sh_r)
676	| ((pixel[1] >> (8 - width_g)) << sh_g)
677	| ((pixel[2] >> (8 - width_b)) << sh_b);
678
679	if (bytes_per_pixel == 4)
680	((uint32_t *)line)[x] = value;
681	else
682	((uint16_t *)line)[x] = value;
683	}
684
685	row += rowstride;
686	line += ximage->bytes_per_line;
687	}
688
689	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
690	XDestroyImage (ximage);
691	return true;
692	}
693
694	bool
695	rxvt_term::render_image (unsigned long tr_flags)
696	{
697	if (!pixbuf)
698	return false;
699
700	if (tr_flags
701	&& !(bg_flags & BG_HAS_RENDER))
702	return false;
703
704	GdkPixbuf *result;
705
706	int image_width = gdk_pixbuf_get_width (pixbuf);
707	int image_height = gdk_pixbuf_get_height (pixbuf);
708
709	int target_width = szHint.width;
710	int target_height = szHint.height;
711	int new_pmap_width = target_width;
712	int new_pmap_height = target_height;
713
714	int x = 0;
715	int y = 0;
716	int w = 0;
717	int h = 0;
718
719	get_image_geometry (image_width, image_height, w, h, x, y);	483	get_image_geometry (image_width, image_height, w, h, x, y);
720		484
721	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
722	&& (x >= target_width	486	&& (x >= target_width
723	|| y >= target_height	487	|| y >= target_height
724	|| (x + w <= 0)	488	|| x + w <= 0
725	|| (y + h <= 0)))	489	|| y + h <= 0))
726	return false;	490	return false;
727		491
728	result = pixbuf;	492	result = pixbuf;
729		493
730	if ((w != image_width)	494	if (w != image_width
731	|| (h != image_height))	495	|| h != image_height)
732	{	496	{
733	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
734	w, h,	498	w, h,
735	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
736	}	500	}
…		…
745	Pixmap root_pmap;	509	Pixmap root_pmap;
746		510
747	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
748	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
749		513
750	if (tr_flags)	514	if (transparent)
751	{	515	{
752	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
753	bg_pixmap = None;	517	bg_pixmap = None;
754	}	518	}
755	else	519	else
…		…
813	dst_x, dst_y,	577	dst_x, dst_y,
814	dst_width, dst_height);	578	dst_width, dst_height);
815	}	579	}
816		580
817	#if XRENDER	581	#if XRENDER
818	if (tr_flags)	582	if (transparent)
819	{	583	{
820	XRenderPictureAttributes pa;
821
822	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
823	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
824		587
825	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
826	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
827		589
828	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
829	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
830	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
831	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
832	XFreePixmap (dpy, mask_pmap);
833		591
834	XRenderColor mask_c;	592	XRenderColor mask_c;
835		593
836	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
837	mask_c.red = 0;	595	mask_c.red =
838	mask_c.green = 0;	596	mask_c.green =
839	mask_c.blue = 0;	597	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
841	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);
842		601
843	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
852	}	611	}
853		612
854	if (result != pixbuf)	613	if (result != pixbuf)
855	g_object_unref (result);	614	g_object_unref (result);
856		615
857	if (tr_flags)	616	if (transparent)
858	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
859		618
860	return ret;	619	return ret;
861	}	620	}
862	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
865	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
866	{	625	{
867	if (!file || !*file)	626	if (!file || !*file)
868	return false;	627	return false;
869		628
		629	bool ret = false;
870	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
871	{	633	{
872	size_t len = p - file;	634	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	636	memcpy (f, file, len);
875	f[len] = '\0';	637	f[len] = '\0';
876	file = f;	638	file = f;
877	}	639	}
878		640
879	# ifdef HAVE_AFTERIMAGE
880	if (!asimman)
881	asimman = create_generic_imageman (rs[Rs_path]);
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
883	if (image)
884	{
885	if (original_asim)
886	safe_asimage_destroy (original_asim);
887	original_asim = image;
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
889	return true;
890	}
891	# endif
892
893	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	643	if (image)
896	{	644	{
897	if (pixbuf)	645	if (pixbuf)
898	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
899	pixbuf = image;	647	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
901	return true;	649	ret = true;
902	}	650	}
903	# endif	651	# endif
904		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
905	return false;	661	return ret;
906	}	662	}
907		663
908	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
909		665
910	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
…		…
946	{	702	{
947	changed = true;	703	changed = true;
948	v_blurRadius = vr;	704	v_blurRadius = vr;
949	}	705	}
950		706
951	if (v_blurRadius == 0 && h_blurRadius == 0)	707	if (h_blurRadius && v_blurRadius)
		708	bg_flags |= BG_NEEDS_BLUR;
		709	else
952	bg_flags &= ~BG_NEEDS_BLUR;	710	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955		711
956	return changed;	712	return changed;
957	}	713	}
958		714
959	void	715	void
960	rxvt_term::set_tint_shade_flags ()	716	rxvt_term::set_tint_shade_flags ()
961	{	717	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	718	if (shade != 100 || (bg_flags & BG_TINT_SET))
963	bool has_shade = shade != 100;	719	bg_flags |= BG_NEEDS_TINT;
		720	else
		721	bg_flags &= ~BG_NEEDS_TINT;
		722	}
964		723
		724	bool
		725	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		726	{
		727	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		728	{
		729	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	730	bg_flags |= BG_TINT_SET;
966		731
967	if (bg_flags & BG_TINT_SET)	732	rgba c;
968	{
969	tint.get (c);	733	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)	734	if ((c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)	735	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))	736	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;	737	bg_flags |= BG_TINT_BITAND;
975	}	738	else
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
983	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
985	{
986	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	739	bg_flags &= ~BG_TINT_BITAND;
		740
988	set_tint_shade_flags ();	741	set_tint_shade_flags ();
989	return true;	742	return true;
990	}	743	}
991		744
992	return false;	745	return false;
993	}	746	}
994		747
995	bool	748	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	749	rxvt_term::bg_set_shade (const char *shade_str)
997	{	750	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	751	int new_shade = atoi (shade_str);
999		752
1000	clamp_it (new_shade, -100, 200);	753	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	754	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	755	new_shade = 200 - (100 + new_shade);
1003		756
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	786	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	787	}
1035	#endif	788	#endif
1036		789
1037	bool	790	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	791	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1039	{	792	{
1040	bool ret = false;	793	bool ret = false;
1041	#if XRENDER	794	#if XRENDER
		795	if (!(bg_flags & BG_HAS_RENDER_CONV))
		796	return false;
		797
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	798	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	799	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	800	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		801
1046	XRenderPictureAttributes pa;	802	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	803	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		804
		805	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	806	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		807	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	808	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		809	XFreePixmap (dpy, tmp);
1051		810
1052	if (kernel && params)	811	if (kernel && params)
1053	{	812	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	813	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	814	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		815
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	816	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	817	XRenderComposite (dpy,
1061	PictOpSrc,	818	PictOpSrc,
1062	src,	819	src,
1063	None,	820	None,
1064	dst,	821	dst,
1065	0, 0,	822	0, 0,
1066	0, 0,	823	0, 0,
1067	0, 0,	824	0, 0,
1068	width, height);	825	width, height);
1069	}
1070		826
1071	if (v_blurRadius)	827	::swap (src, dst);
1072	{	828
1073	size = v_blurRadius * 2 + 1;	829	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	830	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	831	::swap (params[0], params[1]);
1076		832
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	833	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	834	XRenderComposite (dpy,
1079	PictOpSrc,	835	PictOpSrc,
1080	src,	836	src,
1081	None,	837	None,
1082	dst,	838	dst,
1083	0, 0,	839	0, 0,
1084	0, 0,	840	0, 0,
1085	0, 0,	841	0, 0,
1086	width, height);	842	width, height);
1087	}
1088		843
1089	ret = true;	844	ret = true;
1090	}	845	}
1091		846
1092	free (kernel);	847	free (kernel);
…		…
1100	bool	855	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	856	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1102	{	857	{
1103	bool ret = false;	858	bool ret = false;
1104		859
1105	if (bg_flags & BG_TINT_BITAND)	860	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	861	{
1107	XGCValues gcv;	862	XGCValues gcv;
1108	GC gc;	863	GC gc;
1109		864
1110	/* In this case we can tint image server-side getting significant	865	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	874	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	875	ret = true;
1121	XFreeGC (dpy, gc);	876	XFreeGC (dpy, gc);
1122	}	877	}
1123	}	878	}
1124	else
1125	{
1126	# if XRENDER	879	# if XRENDER
		880	else if (bg_flags & BG_HAS_RENDER)
		881	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	882	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		883
1129	if (bg_flags & BG_TINT_SET)	884	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	885	tint.get (c);
1131		886
…		…
1140	c.r = c.r * (200 - shade) / 100;	895	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	896	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	897	c.b = c.b * (200 - shade) / 100;
1143	}	898	}
1144		899
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	900	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		901
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	902	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		903
1151	pa.repeat = True;	904	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		905
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	906	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161		907
1162	XRenderColor mask_c;	908	XRenderColor mask_c;
1163		909
1164	mask_c.alpha = 0xffff;	910	mask_c.alpha = 0xffff;
1165	mask_c.red =	911	mask_c.red =
…		…
1170	mask_c.alpha = 0;	916	mask_c.alpha = 0;
1171	mask_c.red = 0xffff - c.r;	917	mask_c.red = 0xffff - c.r;
1172	mask_c.green = 0xffff - c.g;	918	mask_c.green = 0xffff - c.g;
1173	mask_c.blue = 0xffff - c.b;	919	mask_c.blue = 0xffff - c.b;
1174	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	920	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		921
1175	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	922	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1176		923
1177	if (shade > 100)	924	if (shade > 100)
1178	{	925	{
1179	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1180	mask_c.alpha = 0;	926	mask_c.alpha = 0;
		927	mask_c.red =
		928	mask_c.green =
		929	mask_c.blue = 0xffff * (shade - 100) / 100;
1181	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	930	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1182		931
1183	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	932	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1184	}	933	}
1185		934
1186	ret = true;	935	ret = true;
1187		936
1188	XRenderFreePicture (dpy, mask_pic);	937	XRenderFreePicture (dpy, mask_pic);
1189	XRenderFreePicture (dpy, overlay_pic);	938	XRenderFreePicture (dpy, overlay_pic);
1190	XRenderFreePicture (dpy, back_pic);	939	XRenderFreePicture (dpy, back_pic);
		940	}
1191	# endif	941	# endif
1192	}
1193		942
1194	return ret;	943	return ret;
1195	}	944	}
1196		945
1197	/*	946	/*
1198	* Builds a pixmap of the same size as the terminal window that contains	947	* Builds a pixmap of the same size as the terminal window that contains
1199	* the tiled portion of the root pixmap that is supposed to be covered by	948	* the tiled portion of the root pixmap that is supposed to be covered by
1200	* our window.	949	* our window.
1201	*/	950	*/
1202	unsigned long	951	bool
1203	rxvt_term::make_transparency_pixmap ()	952	rxvt_term::make_transparency_pixmap ()
1204	{	953	{
1205	unsigned long result = 0;	954	bool ret = false;
1206		955
1207	/* root dimensions may change from call to call - but Display structure should	956	/* root dimensions may change from call to call - but Display structure should
1208	* be always up-to-date, so let's use it :	957	* be always up-to-date, so let's use it :
1209	*/	958	*/
1210	int screen = display->screen;	959	int screen = display->screen;
…		…
1248	#if XRENDER	997	#if XRENDER
1249	if (bg_flags & BG_HAS_RENDER)	998	if (bg_flags & BG_HAS_RENDER)
1250	{	999	{
1251	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1000	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1252		1001
1253	XRenderPictureAttributes pa;
1254
1255	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1002	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1256	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1003	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1257		1004
1258	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1005	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1259	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1006	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1260		1007
1261	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1008	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1262		1009
1263	XRenderFreePicture (dpy, src);	1010	XRenderFreePicture (dpy, src);
1264	XRenderFreePicture (dpy, dst);	1011	XRenderFreePicture (dpy, dst);
…		…
1281	bg_pmap_width = window_width;	1028	bg_pmap_width = window_width;
1282	bg_pmap_height = window_height;	1029	bg_pmap_height = window_height;
1283	}	1030	}
1284		1031
1285	/* straightforward pixmap copy */	1032	/* straightforward pixmap copy */
1286	while (sx < 0) sx += root_width;	1033	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += root_height;	1034	while (sy < 0) sy += root_pmap_height;
1288		1035
1289	gcv.tile = recoded_root_pmap;	1036	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1037	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1038	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1039	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1040	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1041
1295	if (gc)	1042	if (gc)
1296	{	1043	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1044	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1045	ret = true;
		1046	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1047
		1048	if (!(bg_flags & BG_CLIENT_RENDER))
		1049	{
		1050	if (bg_flags & BG_NEEDS_BLUR)
		1051	{
		1052	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1053	tr_flags &= ~BG_NEEDS_BLUR;
		1054	}
		1055	if (bg_flags & BG_NEEDS_TINT)
		1056	{
		1057	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1058	tr_flags &= ~BG_NEEDS_TINT;
		1059	}
		1060	if (tr_flags & BG_NEEDS_TINT)
		1061	{
		1062	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1063	if (ximage)
		1064	{
		1065	/* our own client-side tinting */
		1066	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1067
		1068	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1069	XDestroyImage (ximage);
		1070	}
		1071	}
		1072	} /* server side rendering completed */
		1073
1299	XFreeGC (dpy, gc);	1074	XFreeGC (dpy, gc);
1300
1301	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{
1303	if ((bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;
1308	}
1309	if ((bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;
1314	}
1315	} /* server side rendering completed */
1316	}	1075	}
1317		1076
1318	if (recoded_root_pmap != root_pixmap)	1077	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1078	XFreePixmap (dpy, recoded_root_pmap);
1320		1079
1321	return result;	1080	return ret;
1322	}	1081	}
1323		1082
1324	void	1083	void
1325	rxvt_term::bg_set_root_pixmap ()	1084	rxvt_term::bg_set_root_pixmap ()
1326	{	1085	{
…		…
1330		1089
1331	root_pixmap = new_root_pixmap;	1090	root_pixmap = new_root_pixmap;
1332	}	1091	}
1333	# endif /* ENABLE_TRANSPARENCY */	1092	# endif /* ENABLE_TRANSPARENCY */
1334		1093
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1094	bool
1340	rxvt_term::bg_render ()	1095	rxvt_term::bg_render ()
1341	{	1096	{
1342	unsigned long tr_flags = 0;	1097	bool transparent = false;
1343		1098
1344	bg_invalidate ();	1099	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1100	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1101	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1102	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1103	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1104	transparent = make_transparency_pixmap ();
1350	if (tr_flags == 0)	1105	if (transparent)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1354	}	1107	}
1355	# endif	1108	# endif
1356		1109
1357	# ifdef BG_IMAGE_FROM_FILE	1110	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1111	if (bg_flags & BG_IS_FROM_FILE)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1112	{
1361	if (render_image (tr_flags))	1113	if (render_image (transparent))
1362	bg_flags |= BG_IS_VALID;	1114	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1115	}
1397	# endif	1116	# endif
1398		1117
1399	if (!(bg_flags & BG_IS_VALID))	1118	if (!(bg_flags & BG_IS_VALID))
1400	{	1119	{
…		…
1437	#endif	1156	#endif
1438	}	1157	}
1439		1158
1440	#endif /* HAVE_BG_PIXMAP */	1159	#endif /* HAVE_BG_PIXMAP */
1441		1160
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1161	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1162	/* based on code from aterm-0.4.2 */
1444		1163
1445	static void	1164	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1165	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1166	{
		1167	for (int i = 0; i <= mask >> sh; i++)
		1168	{
		1169	uint32_t tmp;
		1170	tmp = i * high;
		1171	tmp += (mask >> sh) * low;
		1172	lookup[i] = (tmp / 0xffff) << sh;
		1173	}
		1174	}
		1175
		1176	void
		1177	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1178	{
		1179	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1180	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1181	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1182	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1183	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1184	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1185
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1186	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1187
1458	/* for convenience */	1188	/* for convenience */
1459	mask_r = visual->red_mask;	1189	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1190	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1191	mask_b = visual->blue_mask;
1462		1192
1463	/* boring lookup table pre-initialization */	1193	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1194	sh_r = ecb_ctz32 (mask_r);
1465	{	1195	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1196	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1197
1468	(mask_g != 0x03e0) ||	1198	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1199	size_g = mask_g >> sh_g;
		1200	size_b = mask_b >> sh_b;
		1201
		1202	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1203	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1204
		1205	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1206	lookup_r = lookup;
1473	lookup_g = lookup+32;	1207	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1208	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1209
1476	sh_g = 5;	1210	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1211
1478	break;	1212	if (bg_flags & BG_TINT_SET)
1479	case 16:	1213	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1214
1522	/* prepare limits for color transformation (each channel is handled separately) */	1215	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1216	if (shade > 100)
1524	{	1217	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1218	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1219	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1220	c.b = c.b * (200 - shade) / 100;
		1221
		1222	low = 0xffff * (shade - 100) / 100;
1534	}	1223	}
1535	else	1224	else
1536	{	1225	{
1537	high.r = c.r * shade / 100;	1226	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1227	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1228	c.b = c.b * shade / 100;
1540		1229
1541	low.r = low.g = low.b = 0;	1230	low = 0;
1542	}	1231	}
1543		1232
1544	/* fill our lookup tables */	1233	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1234	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1235	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1236	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1237
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1238	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1239	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1240	&& ximage->byte_order == host_byte_order)
1571	{	1241	{
1572	uint32_t *p1, *pf, *p, *pl;	1242	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1243
1576	while (p1 < pf)	1244	for (int y = 0; y < ximage->height; y++)
1577	{
1578	p = p1;
1579	pl = p1 + ximage->width;
1580	for (; p < pl; p++)
1581	{	1245	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1246	uint32_t *p = (uint32_t *)line;
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1247	for (int x = 0; x < ximage->width; x++)
1584	lookup_b[(*p & 0x0000ff)] |
1585	(*p & 0xff000000);
1586	}	1248	{
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1249	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1250	lookup_g[(*p & mask_g) >> sh_g] |
		1251	lookup_b[(*p & mask_b) >> sh_b];
		1252	p++;
		1253	}
		1254	line += ximage->bytes_per_line;
1588	}	1255	}
1589	}	1256	}
1590	else	1257	else
1591	{	1258	{
1592	for (int y = 0; y < ximage->height; y++)	1259	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1267	}
1601	}	1268	}
1602		1269
1603	free (lookup);	1270	free (lookup);
1604	}	1271	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1272	#endif /* ENABLE_TRANSPARENCY */

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