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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.184 by sf-exg, Sun Dec 25 17:07:00 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54
55	if (bg_pixmap)	63	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
57	}	65	}
58		66
59	bool	67	bool
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	86	return true;
79	# endif	87	# endif
80		88
81	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
83	{	91	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
85	return true;	95	return true;
86	}	96	}
87	# endif	97	# endif
88		98
89	return false;	99	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	107	return true;
98	# endif	108	# endif
99		109
100	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
102	{	112	{
103	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
104	return true;	114	return true;
105	}	115	}
106	# endif	116	# endif
107		117
108	return false;	118	return false;
109	}	119	}
110		120
111	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	122	static inline int
147	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
148	{	124	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
153	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	127	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	129	else
157	return (align + 100) * smaller / 100 - image_size;	130	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	131	}
160		132
161	static inline int	133	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	135	{
…		…
169	src_pos = -pos;	141	src_pos = -pos;
170	dst_pos = 0;	142	dst_pos = 0;
171	dst_size += pos;	143	dst_size += pos;
172	}	144	}
173		145
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	147	return src_pos;
177	}	148	}
178		149
179	bool	150	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
181	{	152	{
182	bool changed = false;	153	bool changed = false;
183	int geom_flags = 0;	154	int geom_flags = 0;
184	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
185	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	158	unsigned int h = v_scale;
		159	unsigned long new_flags = 0;
187		160
188	if (geom == NULL)	161	if (geom == NULL)
189	return false;	162	return false;
190		163
191	if (geom[0])	164	if (geom[0])
…		…
194		167
195	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
196	{	169	{
197	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
198	{	171	{
199	new_flags = BG_TILE;	172	new_flags = IM_TILE;
200	w = h = noScale;	173	w = h = noScale;
201	x = y = 0;	174	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	175	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	176	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{	178	{
206	new_flags = BG_KEEP_ASPECT;	179	new_flags = IM_KEEP_ASPECT;
207	w = h = windowScale;	180	w = h = windowScale;
208	x = y = centerAlign;	181	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;	182	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}	183	}
211	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
221	x = y = centerAlign;	194	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;	195	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}	196	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{	198	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;	199	new_flags = IM_TILE|IM_ROOT_ALIGN;
227	w = h = noScale;	200	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;	201	geom_flags = WidthValue|HeightValue;
229	}	202	}
230	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	204	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	206	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	208	new_flags |= IM_ROOT_ALIGN;
236		209
237	// deprecated	210	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
239	{	212	{
240	new_flags |= BG_TILE;	213	new_flags |= IM_TILE;
241	w = h = noScale;	214	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	215	geom_flags |= WidthValue|HeightValue;
243	}	216	}
244	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
245	{	218	{
246	new_flags |= BG_KEEP_ASPECT;	219	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	220	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	221	geom_flags |= WidthValue|HeightValue;
249	}	222	}
250	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
251	{	224	{
252	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
253	w = windowScale;	226	w = windowScale;
254	h = noScale;	227	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
256	}	229	}
257	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
258	{	231	{
259	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
260	h = windowScale;	233	h = windowScale;
261	w = noScale;	234	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
263	}	236	}
264	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	245	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	247	}
275	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
276	{	249	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	251	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
280	}	253	}
281		254
282	else	255	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	257	} /* done parsing ops */
285		258
286	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
287	}	260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		263
289	if (!update)	264	if (!update)
290	{	265	{
291	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	272	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
299	h = w;	274	h = w;
300	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
301	w = h;	276	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	277	}
		278
		279	min_it (w, 1000);
		280	min_it (h, 1000);
		281	clamp_it (x, -100, 200);
		282	clamp_it (y, -100, 200);
		283
		284	if (flags != new_flags
		285	|| h_scale != w
		286	|| v_scale != h
		287	|| h_align != x
		288	|| v_align != y)
		289	{
313	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
314	changed = true;	295	changed = true;
315	}	296	}
316		297
		298	if (!(flags & IM_TILE)
		299	|| h_scale || v_scale
		300	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		301	flags |= IM_IS_SIZE_SENSITIVE;
		302	else
		303	flags &= ~IM_IS_SIZE_SENSITIVE;
		304
317	return changed;	305	return changed;
318	}	306	}
319		307
320	void	308	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
323	int target_width = szHint.width;	313	int target_width = szHint.width;
324	int target_height = szHint.height;	314	int target_height = szHint.height;
325		315
326	w = h_scale * target_width / 100;	316	w = image.h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	317	h = image.v_scale * target_height / 100;
328		318
329	if (bg_flags & BG_KEEP_ASPECT)	319	if (image.flags & IM_KEEP_ASPECT)
330	{	320	{
331	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
335	}	325	}
336		326
337	if (!w) w = image_width;	327	if (!w) w = image_width;
338	if (!h) h = image_height;	328	if (!h) h = image_height;
339		329
340	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
341	{	331	{
342	x = -target_x;	332	x = -target_x;
343	y = -target_y;	333	y = -target_y;
344	}	334	}
345	else	335	else
346	{	336	{
347	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	339	}
374	ShadingInfo as_shade;	340	}
375	as_shade.shading = shade;
376		341
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	343	bool
379	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
382	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
383		356
384	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	#if XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 || height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
385	}	391	{
386		392	XDestroyImage (ximage);
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
388	{	394	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
390	ASA_XImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
391	100, ASIMAGE_QUALITY_DEFAULT);	397
392	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char *pixel = row + x * channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
393	{	422	{
394	destroy_asimage (&background);	423	a = pixel[3];
395	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	| ((g >> (8 - width_g)) << sh_g)
		438	| ((b >> (8 - width_b)) << sh_b)
		439	| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
396	}	445	}
397	}
398	# endif
399		446
400	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
401		473
402	int target_width = szHint.width;	474	int target_width = szHint.width;
403	int target_height = szHint.height;	475	int target_height = szHint.height;
404	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
407	int x = 0;	479	int x = 0;
408	int y = 0;	480	int y = 0;
409	int w = 0;	481	int w = 0;
410	int h = 0;	482	int h = 0;
411		483
412	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		485
415	if (!original_asim
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width
418	|| y >= target_height
419	|| x + w <= 0
420	|| y + h <= 0)))
421	{
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427
428	if (background_tint != TINT_LEAVE_SAME)
429	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,
431	target_width, target_height, background_tint,
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)
549	{
550	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;
555	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
707	&& (x >= target_width	487	&& (x >= target_width
708	|| y >= target_height	488	|| y >= target_height
709	|| x + w <= 0	489	|| x + w <= 0
710	|| y + h <= 0))	490	|| y + h <= 0))
711	return false;	491	return false;
…		…
725		505
726	bool ret = false;	506	bool ret = false;
727		507
728	XGCValues gcv;	508	XGCValues gcv;
729	GC gc;	509	GC gc;
730	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
731		511
732	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
734		514
735	if (tr_flags)	515	if (need_blend)
736	{	516	{
737	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;	518	bg_pixmap = None;
739	}	519	}
740	else	520	else
741	{	521	{
742	if (bg_flags & BG_TILE)	522	if (image.flags & IM_TILE)
743	{	523	{
744	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
746	}	526	}
747	}	527	}
…		…
760	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
762		542
763	if (gc)	543	if (gc)
764	{	544	{
765	if (bg_flags & BG_TILE)	545	if (image.flags & IM_TILE)
766	{	546	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
768	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	549	0, 0,
770	0, 0,	550	0, 0,
…		…
798	dst_x, dst_y,	578	dst_x, dst_y,
799	dst_width, dst_height);	579	dst_width, dst_height);
800	}	580	}
801		581
802	#if XRENDER	582	#if XRENDER
803	if (tr_flags)	583	if (need_blend)
804	{	584	{
805	XRenderPictureAttributes pa;
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
809		588
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		590
813	pa.repeat = True;	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		592
819	XRenderColor mask_c;	593	XRenderColor mask_c;
820		594
821	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
822	mask_c.red = 0;	596	mask_c.red =
823	mask_c.green = 0;	597	mask_c.green =
824	mask_c.blue = 0;	598	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		602
828	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
…		…
837	}	612	}
838		613
839	if (result != pixbuf)	614	if (result != pixbuf)
840	g_object_unref (result);	615	g_object_unref (result);
841		616
842	if (tr_flags)	617	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
844		619
845	return ret;	620	return ret;
846	}	621	}
847	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
848		623
849	bool	624	bool
850	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
851	{	626	{
852	if (!file || !*file)	627	if (!file || !*file)
853	return false;	628	return false;
854		629
855	bool ret = false;	630	bool ret = false;
…		…
862	memcpy (f, file, len);	637	memcpy (f, file, len);
863	f[len] = '\0';	638	f[len] = '\0';
864	file = f;	639	file = f;
865	}	640	}
866		641
867	# ifdef HAVE_AFTERIMAGE
868	if (!asimman)
869	asimman = create_generic_imageman (rs[Rs_path]);
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
871	if (image)
872	{
873	if (original_asim)
874	safe_asimage_destroy (original_asim);
875	original_asim = image;
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
877	ret = true;
878	}
879	# endif
880
881	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	644	if (image)
884	{	645	{
885	if (pixbuf)	646	if (pixbuf)
886	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
887	pixbuf = image;	648	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	649	ret = true;
890	}	650	}
891	# endif	651	# endif
892		652
893	if (ret)	653	if (ret)
894	{	654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
895	if (p)	659	if (p)
896	bg_set_geometry (p + 1);	660	set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}	661	}
900		662
901	return ret;	663	return ret;
902	}	664	}
903		665
904	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
905		667
906	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
907	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool	669	bool
920	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
921	{	671	{
922	bool changed = false;	672	bool changed = false;
923	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
942	{	692	{
943	changed = true;	693	changed = true;
944	v_blurRadius = vr;	694	v_blurRadius = vr;
945	}	695	}
946		696
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	697	return changed;
953	}	698	}
954		699
955	void	700	bool
956	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	702	{
		703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		704	{
		705	tint = new_tint;
		706	bg_flags |= BG_TINT_SET;
		707
958	rgba c;	708	rgba c;
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);	709	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	710	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	711	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	712	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	713	bg_flags |= BG_TINT_BITAND;
971	}	714	else
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	716
985	return true;	717	return true;
986	}	718	}
987		719
988	return false;	720	return false;
989	}	721	}
990		722
991	bool	723	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	724	rxvt_term::bg_set_shade (const char *shade_str)
993	{	725	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	726	int new_shade = atoi (shade_str);
995		727
996	clamp_it (new_shade, -100, 200);	728	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	729	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
999		731
1000	if (new_shade != shade)	732	if (new_shade != shade)
1001	{	733	{
1002	shade = new_shade;	734	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	735	return true;
1005	}	736	}
1006		737
1007	return false;	738	return false;
1008	}	739	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	761	}
1031	#endif	762	#endif
1032		763
1033	bool	764	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	766	{
1036	bool ret = false;	767	bool ret = false;
1037	#if XRENDER	768	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	769	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	770	return false;
…		…
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		775
1045	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		778
		779	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1050		784
1051	if (kernel && params)	785	if (kernel && params)
1052	{	786	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		789
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1060	PictOpSrc,	792	PictOpSrc,
1061	src,	793	src,
1062	None,	794	None,
1063	dst,	795	dst,
1064	0, 0,	796	0, 0,
1065	0, 0,	797	0, 0,
1066	0, 0,	798	0, 0,
1067	width, height);	799	width, height);
1068	}
1069		800
1070	if (v_blurRadius)	801	::swap (src, dst);
1071	{	802
1072	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1075		806
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1078	PictOpSrc,	809	PictOpSrc,
1079	src,	810	src,
1080	None,	811	None,
1081	dst,	812	dst,
1082	0, 0,	813	0, 0,
1083	0, 0,	814	0, 0,
1084	0, 0,	815	0, 0,
1085	width, height);	816	width, height);
1086	}
1087		817
1088	ret = true;	818	ret = true;
1089	}	819	}
1090		820
1091	free (kernel);	821	free (kernel);
…		…
1095	#endif	825	#endif
1096	return ret;	826	return ret;
1097	}	827	}
1098		828
1099	bool	829	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	831	{
1102	bool ret = false;	832	bool ret = false;
1103		833
1104	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	835	{
1106	XGCValues gcv;	836	XGCValues gcv;
1107	GC gc;	837	GC gc;
1108		838
1109	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	869	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1142	}	872	}
1143		873
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		875
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		877
1150	pa.repeat = True;	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		879
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	880	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		881
1161	XRenderColor mask_c;	882	XRenderColor mask_c;
1162		883
1163	mask_c.alpha = 0xffff;	884	mask_c.alpha = 0xffff;
1164	mask_c.red =	885	mask_c.red =
…		…
1169	mask_c.alpha = 0;	890	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	891	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	892	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	893	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		897
1176	if (shade > 100)	898	if (shade > 100)
1177	{	899	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	900	mask_c.alpha = 0;
		901	mask_c.red =
		902	mask_c.green =
		903	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		905
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	907	}
1184		908
…		…
1196	/*	920	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	921	* 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	922	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	923	* our window.
1200	*/	924	*/
1201	unsigned long	925	bool
1202	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1203	{	927	{
1204	unsigned long result = 0;	928	bool ret = false;
1205		929
1206	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1208	*/	932	*/
1209	int screen = display->screen;	933	int screen = display->screen;
…		…
1247	#if XRENDER	971	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1249	{	973	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		975
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		978
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		981
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		983
1262	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1015
1294	if (gc)	1016	if (gc)
1295	{	1017	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
		1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1022
		1023	if (!(bg_flags & BG_CLIENT_RENDER))
		1024	{
		1025	if (need_blur)
		1026	{
		1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
		1029	}
		1030	if (need_tint)
		1031	{
		1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1033	need_tint = false;
		1034	}
		1035	if (need_tint)
		1036	{
		1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1038	if (ximage)
		1039	{
		1040	/* our own client-side tinting */
		1041	tint_ximage (ximage);
		1042
		1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1044	XDestroyImage (ximage);
		1045	}
		1046	}
		1047	} /* server side rendering completed */
		1048
1298	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1299
1300	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{
1302	if (bg_flags & BG_NEEDS_BLUR)
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if (bg_flags & BG_NEEDS_TINT)
1308	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;
1311	}
1312	} /* server side rendering completed */
1313	}	1050	}
1314		1051
1315	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1317		1054
1318	return result;	1055	return ret;
1319	}	1056	}
1320		1057
1321	void	1058	void
1322	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1323	{	1060	{
…		…
1330	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1331		1068
1332	bool	1069	bool
1333	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1334	{	1071	{
1335	unsigned long tr_flags = 0;
1336
1337	bg_invalidate ();	1072	bg_invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1339	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1340	{	1075	{
1341	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1342	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1343	if (tr_flags == 0)
1344	return false;
1345	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1346	}	1079	}
1347	# endif	1080	# endif
1348		1081
1349	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1084	{
1353	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1354	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags & BG_NEEDS_TINT)
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	//if (tr_flags & BG_NEEDS_TINT)
1370	if (1)
1371	tint_ximage (DefaultVisual (dpy, display->screen), result);
1372
1373	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1374
1375	if (gc)
1376	{
1377	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1378
1379	XFreeGC (dpy, gc);
1380	}
1381
1382	XDestroyImage (result);
1383	}	1087	}
1384	# endif	1088	# endif
1385		1089
1386	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1387	{	1091	{
…		…
1424	#endif	1128	#endif
1425	}	1129	}
1426		1130
1427	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1428		1132
1429	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1430	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1431		1135
1432	static inline void	1136	static inline void
1433	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1434	{	1138	{
…		…
1440	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1441	}	1145	}
1442	}	1146	}
1443		1147
1444	void	1148	void
1445	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1446	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	unsigned short low;	1155	unsigned short low;
1451	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1456	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1457	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1458	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1459		1164
1460	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1461	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1462	{	1167	sh_g = ecb_ctz32 (mask_g);
1463	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1464	if ((mask_r != 0x7c00) ||	1169
1465	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1466	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1467	return;	1175	return;
1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1176
		1177	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1469	lookup_r = lookup;	1178	lookup_r = lookup;
1470	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1471	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1472	sh_r = 10;
1473	sh_g = 5;
1474	sh_b = 0;
1475	break;
1476	case 16:
1477	if ((mask_r != 0xf800) ||
1478	(mask_g != 0x07e0) ||
1479	(mask_b != 0x001f))
1480	return;
1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1482	lookup_r = lookup;
1483	lookup_g = lookup+32;
1484	lookup_b = lookup+32+64;
1485	sh_r = 11;
1486	sh_g = 5;
1487	sh_b = 0;
1488	break;
1489	case 24:
1490	if ((mask_r != 0xff0000) ||
1491	(mask_g != 0x00ff00) ||
1492	(mask_b != 0x0000ff))
1493	return;
1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1495	lookup_r = lookup;
1496	lookup_g = lookup+256;
1497	lookup_b = lookup+256+256;
1498	sh_r = 16;
1499	sh_g = 8;
1500	sh_b = 0;
1501	break;
1502	case 32:
1503	if ((mask_r != 0xff0000) ||
1504	(mask_g != 0x00ff00) ||
1505	(mask_b != 0x0000ff))
1506	return;
1507	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1508	lookup_r = lookup;
1509	lookup_g = lookup+256;
1510	lookup_b = lookup+256+256;
1511	sh_r = 16;
1512	sh_g = 8;
1513	sh_b = 0;
1514	break;
1515	default:
1516	return; /* we do not support this color depth */
1517	}
1518		1181
1519	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1520		1183
1521	if (bg_flags & BG_TINT_SET)	1184	if (bg_flags & BG_TINT_SET)
1522	tint.get (c);	1185	tint.get (c);
…		…
1544	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1545	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1546		1209
1547	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1548	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1549	&& (ximage->depth == 24 || ximage->depth == 32)
1550	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1551	{	1213	{
1552	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1553	p1 = (uint32_t *) ximage->data;
1554	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1555		1215
1556	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1557	{
1558	p = p1;
1559	pl = p1 + ximage->width;
1560	for (; p < pl; p++)
1561	{	1217	{
1562	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1563	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1564	lookup_b[(*p & 0x0000ff)] |
1565	(*p & 0xff000000);
1566	}	1220	{
1567	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1221	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1222	lookup_g[(*p & mask_g) >> sh_g] |
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1568	}	1227	}
1569	}	1228	}
1570	else	1229	else
1571	{	1230	{
1572	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1580	}	1239	}
1581	}	1240	}
1582		1241
1583	free (lookup);	1242	free (lookup);
1584	}	1243	}
1585	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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