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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.153 by sf-exg, Sun May 8 21:07:43 2011 UTC vs.
Revision 1.234 by sf-exg, Thu Jun 7 09:21:18 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
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	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE	63	# if BG_IMAGE_FROM_FILE
68	if (original_asim)	64	fimage.destroy ();
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif	65	# endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80		66
81	if (bg_pixmap)	67	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
83	}	69	}
84		70
…		…
97	}	83	}
98		84
99	bool	85	bool
100	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
101	{	87	{
102	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
103	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	90	return true;
105	# endif	91	# endif
106		92
107	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
109	{	95	{
110	if (bg_flags & BG_IS_SIZE_SENSITIVE)	96	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		97	|| fimage.width () > szHint.width
		98	|| fimage.height () > szHint.height)
111	return true;	99	return true;
112	}	100	}
113	# endif	101	# endif
114		102
115	return false;	103	return false;
116	}	104	}
117		105
118	bool	106	bool
119	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
120	{	108	{
121	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
122	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	111	return true;
124	# endif	112	# endif
125		113
126	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
128	{	116	{
129	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
130	return true;	118	return true;
131	}	119	}
132	# endif	120	# endif
133		121
134	return false;	122	return false;
135	}	123	}
136		124
137	# ifdef BG_IMAGE_FROM_FILE	125	# if BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	126	static inline int
173	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
174	{	128	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
179	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	131	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	133	else
183	return ((align + 100) * smaller / 100) - image_size;	134	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	135	}
186		136
187	static inline int	137	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	138	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	139	{
…		…
195	src_pos = -pos;	145	src_pos = -pos;
196	dst_pos = 0;	146	dst_pos = 0;
197	dst_size += pos;	147	dst_size += pos;
198	}	148	}
199		149
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	151	return src_pos;
203	}	152	}
204		153
		154	static void
		155	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		156	{
		157	if (!strcasecmp (style, "tiled"))
		158	{
		159	flags = IM_TILE;
		160	w = h = noScale;
		161	x = y = 0;
		162	}
		163	else if (!strcasecmp (style, "aspect-stretched"))
		164	{
		165	flags = IM_KEEP_ASPECT;
		166	w = h = windowScale;
		167	x = y = centerAlign;
		168	}
		169	else if (!strcasecmp (style, "stretched"))
		170	{
		171	flags = 0;
		172	w = h = windowScale;
		173	x = y = centerAlign;
		174	}
		175	else if (!strcasecmp (style, "centered"))
		176	{
		177	flags = 0;
		178	w = h = noScale;
		179	x = y = centerAlign;
		180	}
		181	else if (!strcasecmp (style, "root-tiled"))
		182	{
		183	flags = IM_TILE|IM_ROOT_ALIGN;
		184	w = h = noScale;
		185	x = y = 0;
		186	}
		187	}
		188
205	bool	189	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
207	{	191	{
208	bool changed = false;	192	bool changed = false;
209	int geom_flags = 0;	193	int geom_flags = 0;
210	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
211	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
212	unsigned int n;	197	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	198	uint8_t new_flags = 0;
214	const char *ops;
215		199
216	if (geom == NULL)	200	if (geom == NULL)
217	return false;	201	return false;
218		202
219	char str[256];	203	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{
236	/* we have geometry string - let's handle it prior to applying ops */
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
238	} /* done parsing geometry string */
239
240	if (!update)
241	{
242	if (!(geom_flags & XValue))
243	x = y = defaultAlign;
244	else if (!(geom_flags & YValue))
245	y = x;
246
247	if (!(geom_flags & (WidthValue|HeightValue)))
248	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))
250	h = w;
251	else if (!(geom_flags & WidthValue))
252	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}	204	{
256
257	if (ops)
258	{
259	char **arr = rxvt_strsplit (':', ops + 1);	205	char **arr = rxvt_strsplit (':', geom);
260		206
261	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
262	{	208	{
263	if (!strcasecmp (arr[i], "tile"))	209	if (!strncasecmp (arr[i], "style=", 6))
264	{	210	{
		211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		212	geom_flags = WidthValue|HeightValue|XValue|YValue;
		213	}
		214	else if (!strcasecmp (arr[i], "op=tile"))
		215	new_flags |= IM_TILE;
		216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		217	new_flags |= IM_KEEP_ASPECT;
		218	else if (!strcasecmp (arr[i], "op=root-align"))
		219	new_flags |= IM_ROOT_ALIGN;
		220
		221	// deprecated
		222	else if (!strcasecmp (arr[i], "tile"))
		223	{
		224	new_flags |= IM_TILE;
265	w = h = noScale;	225	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
267	}	227	}
268	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
269	{	229	{
270	new_flags |= BG_PROP_SCALE;	230	new_flags |= IM_KEEP_ASPECT;
		231	w = h = windowScale;
		232	geom_flags |= WidthValue|HeightValue;
271	}	233	}
272	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
273	{	235	{
		236	new_flags |= IM_TILE;
274	if (w == 0) w = windowScale;	237	w = windowScale;
275
276	h = noScale;	238	h = noScale;
277	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
278	}	240	}
279	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
280	{	242	{
		243	new_flags |= IM_TILE;
281	if (h == 0) h = windowScale;	244	h = windowScale;
282
283	w = noScale;	245	w = noScale;
284	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
285	}	247	}
286	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
287	{	249	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;	250	w = h = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;	251	geom_flags |= WidthValue|HeightValue;
292	}	252	}
293	else if (!strcasecmp (arr[i], "auto"))	253	else if (!strcasecmp (arr[i], "auto"))
294	{	254	{
295	w = h = windowScale;	255	w = h = windowScale;
296	x = y = centerAlign;	256	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}	258	}
299	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
300	{	260	{
301	new_flags |= BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
302	w = h = noScale;	262	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
304	}	264	}
		265
		266	else
		267	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
305	} /* done parsing ops */	268	} /* done parsing ops */
306		269
307	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
308	}	271	}
309		272
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314		274
315	if (new_flags != bg_flags)	275	if (!update)
		276	{
		277	if (!(geom_flags & XValue))
		278	x = y = defaultAlign;
		279	else if (!(geom_flags & YValue))
		280	y = x;
		281
		282	if (!(geom_flags & (WidthValue|HeightValue)))
		283	w = h = defaultScale;
		284	else if (!(geom_flags & HeightValue))
		285	h = w;
		286	else if (!(geom_flags & WidthValue))
		287	w = h;
316	{	288	}
		289
		290	clamp_it (x, -100, 200);
		291	clamp_it (y, -100, 200);
		292
		293	if (flags != new_flags
		294	|| h_scale != w
		295	|| v_scale != h
		296	|| h_align != x
		297	|| v_align != y)
		298	{
317	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
318	changed = true;	304	changed = true;
319	}	305	}
320		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
321	return changed;	312	return changed;
322	}	313	}
323		314
324	void	315	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	316	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
327	int target_width = szHint.width;	320	int target_width = szHint.width;
328	int target_height = szHint.height;	321	int target_height = szHint.height;
		322	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		323	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		324
330	if (bg_flags & BG_PROP_SCALE)	325	w = h_scale * target_width / 100;
		326	h = v_scale * target_height / 100;
		327
		328	if (image.flags & IM_KEEP_ASPECT)
331	{	329	{
332	float scale = (float)target_width / image_width;	330	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	331	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
336	}	334	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		335
343	if (!w) w = image_width;	336	if (!w) w = image_width;
344	if (!h) h = image_height;	337	if (!h) h = image_height;
345		338
346	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
347	{	340	{
348	x = -target_x;	341	x = -target_x;
349	y = -target_y;	342	y = -target_y;
350	}	343	}
351	else	344	else
352	{	345	{
353	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	347	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	348	}
379	ShadingInfo as_shade;	349	}
380	as_shade.shading = shade;
381		350
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	351	# if HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	352	bool
384	tint.get (c);	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	354	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	355	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	356	{
		357	XImage *ximage;
		358	char *line;
		359	int width_r, width_g, width_b, width_a;
		360	int sh_r, sh_g, sh_b, sh_a;
		361	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		362	int rowstride;
		363	int channels;
		364	unsigned char *row;
388		365
389	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
390	}	370	{
391		371	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
393	{	375	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	377	{
396	100, ASIMAGE_QUALITY_DEFAULT);	378	red_mask = visual->red_mask;
		379	green_mask = visual->green_mask;
		380	blue_mask = visual->blue_mask;
		381	#if XRENDER
		382	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	383	if (format)
398	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
399	destroy_asimage (&background);	385	else
400	background = tmp;	386	#endif
		387	alpha_mask = 0;
		388	}
		389
		390	width_r = ecb_popcount32 (red_mask);
		391	width_g = ecb_popcount32 (green_mask);
		392	width_b = ecb_popcount32 (blue_mask);
		393	width_a = ecb_popcount32 (alpha_mask);
		394
		395	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		396	return false;
		397
		398	sh_r = ecb_ctz32 (red_mask);
		399	sh_g = ecb_ctz32 (green_mask);
		400	sh_b = ecb_ctz32 (blue_mask);
		401	sh_a = ecb_ctz32 (alpha_mask);
		402
		403	if (width > 32767 || height > 32767)
		404	return false;
		405
		406	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		407	width, height, 32, 0);
		408	if (!ximage)
		409	return false;
		410
		411	if (height > INT_MAX / ximage->bytes_per_line
		412	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		413	{
		414	XDestroyImage (ximage);
		415	return false;
		416	}
		417
		418	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		419
		420	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		421	channels = gdk_pixbuf_get_n_channels (pixbuf);
		422	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		423	line = ximage->data;
		424
		425	rgba c (0, 0, 0);
		426
		427	if (channels == 4 && alpha_mask == 0)
		428	{
		429	pix_colors[Color_bg].get (c);
		430	c.r >>= 8;
		431	c.g >>= 8;
		432	c.b >>= 8;
		433	}
		434
		435	for (int y = 0; y < height; y++)
		436	{
		437	for (int x = 0; x < width; x++)
401	}	438	{
402	}	439	unsigned char *pixel = row + x * channels;
403	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
404		442
405	ASImage *result = 0;	443	if (channels == 4)
		444	{
		445	a = pixel[3];
		446	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		447	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		448	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		449	}
		450	else
		451	{
		452	a = 0xff;
		453	r = pixel[0];
		454	g = pixel[1];
		455	b = pixel[2];
		456	}
		457
		458	value = ((r >> (8 - width_r)) << sh_r)
		459	| ((g >> (8 - width_g)) << sh_g)
		460	| ((b >> (8 - width_b)) << sh_b)
		461	| ((a >> (8 - width_a)) << sh_a);
		462
		463	if (ximage->bits_per_pixel == 32)
		464	((uint32_t *)line)[x] = value;
		465	else
		466	XPutPixel (ximage, x, y, value);
		467	}
		468
		469	row += rowstride;
		470	line += ximage->bytes_per_line;
		471	}
		472
		473	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		474	XDestroyImage (ximage);
		475	return true;
		476	}
		477
		478	bool
		479	rxvt_term::render_image (rxvt_image &image)
		480	{
		481	GdkPixbuf *pixbuf = image.pixbuf;
		482	if (!pixbuf)
		483	return false;
		484
		485	bool need_blend = bg_flags & BG_IS_VALID;
		486
		487	if (need_blend
		488	&& !(display->flags & DISPLAY_HAS_RENDER))
		489	return false;
		490
		491	GdkPixbuf *result;
		492
		493	int image_width = gdk_pixbuf_get_width (pixbuf);
		494	int image_height = gdk_pixbuf_get_height (pixbuf);
406		495
407	int target_width = szHint.width;	496	int target_width = szHint.width;
408	int target_height = szHint.height;	497	int target_height = szHint.height;
409	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
412	int x = 0;	501	int x = 0;
413	int y = 0;	502	int y = 0;
414	int w = 0;	503	int w = 0;
415	int h = 0;	504	int h = 0;
416		505
417	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		507
420	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	509	&& (x >= target_width
423	|| y >= target_height	510	|| y >= target_height
424	|| (x + w <= 0)	511	|| x + w <= 0
425	|| (y + h <= 0))))	512	|| y + h <= 0))
426	{	513	return false;
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		514
433	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
434	{	516
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
436	target_width, target_height, background_tint,	518	|| h != image_height)
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}	519	{
		520	result = gdk_pixbuf_scale_simple (pixbuf,
		521	w, h,
		522	GDK_INTERP_BILINEAR);
		523	}
		524
		525	if (!result)
		526	return false;
		527
		528	bool ret = false;
		529
		530	XGCValues gcv;
		531	GC gc;
		532	Pixmap tmp_pixmap;
		533
		534	image_width = gdk_pixbuf_get_width (result);
		535	image_height = gdk_pixbuf_get_height (result);
		536
		537	if (need_blend)
		538	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
445	else	539	else
446	{	540	{
447	result = original_asim;	541	if (image.flags & IM_TILE)
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}	542	{
457		543	new_pmap_width = min (image_width, target_width);
458	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
459	{	545	}
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466		546
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None	547	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
554	{	550	{
555	if (bg_pixmap)	551	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
560	}	556	}
561	/* fill with background color (if result's not completely overlapping it) */	557
		558	tmp_pixmap = bg_pixmap;
		559	}
		560
562	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
564		563
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	564	if (gc)
566	int dst_width = result->width, dst_height = result->height;	565	{
567	if (background == NULL)	566	if (image.flags & IM_TILE)
		567	{
		568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
		569	pixbuf_to_pixmap (result, tile, gc,
		570	0, 0,
		571	0, 0,
		572	image_width, image_height, need_blend);
		573
		574	gcv.tile = tile;
		575	gcv.fill_style = FillTiled;
		576	gcv.ts_x_origin = x;
		577	gcv.ts_y_origin = y;
		578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		579
		580	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		581	XFreePixmap (dpy, tile);
568	{	582	}
569	if (!(h_scale == 0 || v_scale == 0))	583	else
570	{	584	{
		585	int src_x, src_y, dst_x, dst_y;
		586	int dst_width, dst_height;
		587
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	588	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	589	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
573	}
574		590
575	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	594	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580		595
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
		598	src_x, src_y,
		599	dst_x, dst_y,
		600	dst_width, dst_height, need_blend);
		601	}
584		602
585	if (result != background && result != original_asim)	603	if (image.need_blur ())
586	destroy_asimage (&result);	604	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		605	if (image.need_tint ())
		606	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
		607
		608	#if XRENDER
		609	if (need_blend)
		610	{
		611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
		614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
		615
		616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		617
		618	Picture mask = create_xrender_mask (dpy, vt, False, False);
		619
		620	XRenderColor mask_c;
		621
		622	mask_c.alpha = image.alpha;
		623	mask_c.red =
		624	mask_c.green =
		625	mask_c.blue = 0;
		626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
		628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		629
		630	XRenderFreePicture (dpy, src);
		631	XRenderFreePicture (dpy, dst);
		632	XRenderFreePicture (dpy, mask);
		633	}
		634	#endif
587		635
588	XFreeGC (dpy, gc);	636	XFreeGC (dpy, gc);
589		637
590	ret = true;	638	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);
710
711	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width
713	|| y >= target_height
714	|| (x + w <= 0)
715	|| (y + h <= 0)))
716	return false;
717
718	result = pixbuf;
719
720	if ((w != image_width)
721	|| (h != image_height))
722	{
723	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,
725	GDK_INTERP_BILINEAR);
726	}
727
728	if (!result)
729	return false;
730
731	bool ret = false;
732
733	XGCValues gcv;
734	GC gc;
735	Pixmap root_pmap;
736
737	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);
739
740	if (tr_flags)
741	{
742	root_pmap = bg_pixmap;
743	bg_pixmap = None;
744	}
745	else
746	{
747	if (h_scale == 0 || v_scale == 0)
748	{
749	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);
751	}
752	}
753
754	if (bg_pixmap == None
755	|| bg_pmap_width != new_pmap_width
756	|| bg_pmap_height != new_pmap_height)
757	{
758	if (bg_pixmap)
759	XFreePixmap (dpy, bg_pixmap);
760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
761	bg_pmap_width = new_pmap_width;
762	bg_pmap_height = new_pmap_height;
763	}
764
765	if (bg_pixmap != None)
766	{
767	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
769
770	if (gc)
771	{
772	if (h_scale == 0 || v_scale == 0)
773	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
775
776	if (tile != None)
777	{
778	pixbuf_to_pixmap (result, tile, gc,
779	0, 0,
780	0, 0,
781	image_width, image_height);
782
783	gcv.tile = tile;
784	gcv.fill_style = FillTiled;
785	gcv.ts_x_origin = x;
786	gcv.ts_y_origin = y;
787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
788
789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
790	XFreePixmap (dpy, tile);
791	}
792	}
793	else
794	{
795	int src_x, src_y, dst_x, dst_y;
796	int dst_width, dst_height;
797
798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
800
801	if (dst_x > 0 || dst_y > 0
802	|| dst_x + dst_width < new_pmap_width
803	|| dst_y + dst_height < new_pmap_height)
804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
805
806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
807	pixbuf_to_pixmap (result, bg_pixmap, gc,
808	src_x, src_y,
809	dst_x, dst_y,
810	dst_width, dst_height);
811	}
812
813	#if XRENDER
814	if (tr_flags)
815	{
816	XRenderPictureAttributes pa;
817
818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
820
821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
823
824	pa.repeat = True;
825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
828	XFreePixmap (dpy, mask_pmap);
829
830	if (src && dst && mask)
831	{
832	XRenderColor mask_c;
833
834	mask_c.alpha = 0x8000;
835	mask_c.red = 0;
836	mask_c.green = 0;
837	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840	}
841
842	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);
845	}
846	#endif
847
848	XFreeGC (dpy, gc);
849
850	ret = true;
851	}
852	}	639	}
853		640
854	if (result != pixbuf)	641	if (result != pixbuf)
855	g_object_unref (result);	642	g_object_unref (result);
856		643
857	if (tr_flags)	644	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
859		646
860	return ret;	647	return ret;
861	}	648	}
862	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
863		650
		651	rxvt_image::rxvt_image ()
		652	{
		653	alpha = 0xffff;
		654	flags = 0;
		655	h_scale =
		656	v_scale = defaultScale;
		657	h_align =
		658	v_align = defaultAlign;
		659
		660	# if HAVE_PIXBUF
		661	pixbuf = 0;
		662	# endif
		663	}
		664
864	bool	665	bool
865	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
866	{	667	{
867	if (!file || !*file)	668	if (!file || !*file)
868	return false;	669	return false;
869		670
870	if (const char *p = strchr (file, ';'))	671	const char *p = strchr (file, ';');
		672
		673	if (p)
871	{	674	{
872	size_t len = p - file;	675	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	676	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	677	memcpy (f, file, len);
875	f[len] = '\0';	678	f[len] = '\0';
876	file = f;	679	file = f;
877	}	680	}
878		681
879	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
880	if (!asimman)	683	alpha = 0x8000;
881	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
883	if (image)	686	return ret;
884	{	687	}
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		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
893	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	696	if (image)
896	{	697	{
897	if (pixbuf)	698	if (pixbuf)
898	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
899	pixbuf = image;	700	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	701	ret = true;
902	}	702	}
903	# endif	703	# endif
904		704
		705	if (ret)
		706	flags |= IM_IS_SET;
		707
905	return false;	708	return ret;
906	}	709	}
907		710
908	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
909		712
910	# ifdef ENABLE_TRANSPARENCY
911	bool	713	bool
912	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
913	{
914	if (!(bg_flags & BG_IS_TRANSPARENT))
915	{
916	bg_flags |= BG_IS_TRANSPARENT;
917	return true;
918	}
919
920	return false;
921	}
922
923	bool
924	rxvt_term::bg_set_blur (const char *geom)
925	{	715	{
926	bool changed = false;	716	bool changed = false;
927	unsigned int hr, vr;	717	unsigned int hr, vr;
928	int junk;	718	int junk;
929	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
946	{	736	{
947	changed = true;	737	changed = true;
948	v_blurRadius = vr;	738	v_blurRadius = vr;
949	}	739	}
950		740
951	if (v_blurRadius == 0 && h_blurRadius == 0)
952	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955
956	return changed;	741	return changed;
957	}	742	}
958		743
959	void
960	rxvt_term::set_tint_shade_flags ()
961	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
963	bool has_shade = shade != 100;
964
965	bg_flags &= ~BG_TINT_FLAGS;
966
967	if (bg_flags & BG_TINT_SET)
968	{
969	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;
975	}
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool	744	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
983	{	746	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	747	if (!tint_set || tint != new_tint)
985	{	748	{
986	tint = new_tint;	749	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	750	tint_set = true;
988	set_tint_shade_flags ();	751
989	return true;	752	return true;
990	}	753	}
991		754
992	return false;	755	return false;
993	}	756	}
994		757
995	bool	758	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
997	{	760	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	761	int new_shade = atoi (shade_str);
999		762
1000	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	764	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
1003		766
1004	if (new_shade != shade)	767	if (new_shade != shade)
1005	{	768	{
1006	shade = new_shade;	769	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	770	return true;
1009	}	771	}
1010		772
1011	return false;	773	return false;
1012	}	774	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	796	}
1035	#endif	797	#endif
1036		798
1037	bool	799	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1039	{	801	{
1040	bool ret = false;	802	bool ret = false;
1041	#if XRENDER	803	#if XRENDER
		804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
		805	return false;
		806
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		810
1046	XRenderPictureAttributes pa;	811	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1048		814
		815	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1051		820
1052	if (kernel && params && src && dst)	821	if (kernel && params)
1053	{	822	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		825
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1061	PictOpSrc,	828	PictOpSrc,
1062	src,	829	src,
1063	None,	830	None,
1064	dst,	831	dst,
1065	0, 0,	832	0, 0,
1066	0, 0,	833	0, 0,
1067	0, 0,	834	0, 0,
1068	width, height);	835	width, height);
1069	}
1070		836
1071	if (v_blurRadius)	837	::swap (src, dst);
1072	{	838
1073	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1076		842
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1079	PictOpSrc,	845	PictOpSrc,
1080	src,	846	src,
1081	None,	847	None,
1082	dst,	848	dst,
1083	0, 0,	849	0, 0,
1084	0, 0,	850	0, 0,
1085	0, 0,	851	0, 0,
1086	width, height);	852	width, height);
1087	}
1088		853
1089	ret = true;	854	ret = true;
1090	}	855	}
1091		856
1092	free (kernel);	857	free (kernel);
…		…
1096	#endif	861	#endif
1097	return ret;	862	return ret;
1098	}	863	}
1099		864
1100	bool	865	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	866	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1102	{	867	{
1103	bool ret = false;	868	bool ret = false;
1104		869
1105	if (bg_flags & BG_TINT_BITAND)	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		871
		872	if (tint_set)
		873	tint.get (c);
		874
		875	if (shade == 100
		876	&& (c.r <= 0x00ff || c.r >= 0xff00)
		877	&& (c.g <= 0x00ff || c.g >= 0xff00)
		878	&& (c.b <= 0x00ff || c.b >= 0xff00))
1106	{	879	{
1107	XGCValues gcv;	880	XGCValues gcv;
1108	GC gc;	881	GC gc;
1109		882
1110	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	892	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	893	ret = true;
1121	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1122	}	895	}
1123	}	896	}
1124	else
1125	{
1126	# if XRENDER	897	# if XRENDER
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	898	else if (display->flags & DISPLAY_HAS_RENDER)
1128		899	{
1129	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);
1131
1132	if (shade <= 100)	900	if (shade <= 100)
1133	{	901	{
1134	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1135	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1136	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1140	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1143	}	911	}
1144		912
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	914	: XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		915
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		917
1151	pa.repeat = True;	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		919
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	920	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		921
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
1162	if (mask_pic && overlay_pic && back_pic)
1163	{
1164	XRenderColor mask_c;	922	XRenderColor mask_c;
1165		923
1166	mask_c.alpha = 0xffff;	924	mask_c.alpha = 0xffff;
		925	mask_c.red =
		926	mask_c.green =
		927	mask_c.blue = 0;
		928	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		929
		930	mask_c.alpha = 0;
		931	mask_c.red = 0xffff - c.r;
		932	mask_c.green = 0xffff - c.g;
		933	mask_c.blue = 0xffff - c.b;
		934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
		936	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		937
		938	if (shade > 100)
		939	{
		940	mask_c.alpha = 0;
1167	mask_c.red =	941	mask_c.red =
1168	mask_c.green =	942	mask_c.green =
1169	mask_c.blue = 0;	943	mask_c.blue = 0xffff * (shade - 100) / 100;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171		945
1172	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178
1179	if (shade > 100)
1180	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	946	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}	947	}
1187		948
1188	ret = true;	949	ret = true;
1189	}
1190		950
1191	XRenderFreePicture (dpy, mask_pic);	951	XRenderFreePicture (dpy, mask_pic);
1192	XRenderFreePicture (dpy, overlay_pic);	952	XRenderFreePicture (dpy, overlay_pic);
1193	XRenderFreePicture (dpy, back_pic);	953	XRenderFreePicture (dpy, back_pic);
		954	}
1194	# endif	955	# endif
1195	}
1196		956
1197	return ret;	957	return ret;
1198	}	958	}
1199		959
		960	# if ENABLE_TRANSPARENCY
1200	/*	961	/*
1201	* Builds a pixmap of the same size as the terminal window that contains	962	* Builds a pixmap of the same size as the terminal window that contains
1202	* the tiled portion of the root pixmap that is supposed to be covered by	963	* the tiled portion of the root pixmap that is supposed to be covered by
1203	* our window.	964	* our window.
1204	*/	965	*/
1205	unsigned long	966	bool
1206	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1207	{	968	{
1208	unsigned long result = 0;	969	bool ret = false;
1209		970
1210	/* root dimensions may change from call to call - but Display structure should	971	/* root dimensions may change from call to call - but Display structure should
1211	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1212	*/	973	*/
1213	int screen = display->screen;	974	int screen = display->screen;
…		…
1247	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1248		1009
1249	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1250	{	1011	{
1251	#if XRENDER	1012	#if XRENDER
1252	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1253	{	1014	{
1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1015	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1255		1016
1256	if (recoded_root_pmap != None)
1257	{
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		1019
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1020	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1021	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		1022
1266	if (src && dst)
1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1023	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1268	else
1269	{
1270	XFreePixmap (dpy, recoded_root_pmap);
1271	recoded_root_pmap = None;
1272	}
1273		1024
1274	XRenderFreePicture (dpy, src);	1025	XRenderFreePicture (dpy, src);
1275	XRenderFreePicture (dpy, dst);	1026	XRenderFreePicture (dpy, dst);
1276	}
1277	}	1027	}
1278	else	1028	else
1279	#endif	1029	#endif
1280	recoded_root_pmap = None;	1030	recoded_root_pmap = None;
1281	}	1031	}
…		…
1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1042	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1293	bg_pmap_width = window_width;	1043	bg_pmap_width = window_width;
1294	bg_pmap_height = window_height;	1044	bg_pmap_height = window_height;
1295	}	1045	}
1296		1046
1297	if (bg_pixmap != None)
1298	{
1299	/* straightforward pixmap copy */	1047	/* straightforward pixmap copy */
1300	while (sx < 0) sx += root_width;	1048	while (sx < 0) sx += root_pmap_width;
1301	while (sy < 0) sy += root_height;	1049	while (sy < 0) sy += root_pmap_height;
1302		1050
1303	gcv.tile = recoded_root_pmap;	1051	gcv.tile = recoded_root_pmap;
1304	gcv.fill_style = FillTiled;	1052	gcv.fill_style = FillTiled;
1305	gcv.ts_x_origin = -sx;	1053	gcv.ts_x_origin = -sx;
1306	gcv.ts_y_origin = -sy;	1054	gcv.ts_y_origin = -sy;
1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1308		1056
1309	if (gc)	1057	if (gc)
1310	{	1058	{
1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1060	ret = true;
1313	XFreeGC (dpy, gc);	1061	bool need_blur = root_effects.need_blur ();
		1062	bool need_tint = root_effects.need_tint ();
1314		1063
1315	if (!(bg_flags & BG_CLIENT_RENDER))	1064	if (need_blur)
		1065	{
		1066	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1067	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1068	need_blur = false;
		1069	}
		1070	if (need_tint)
		1071	{
		1072	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1073	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1074	need_tint = false;
		1075	}
		1076	if (need_tint)
		1077	{
		1078	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1079	if (ximage)
1316	{	1080	{
1317	if ((bg_flags & BG_NEEDS_BLUR)	1081	/* our own client-side tinting */
1318	&& (bg_flags & BG_HAS_RENDER_CONV))	1082	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
1319	{	1083
1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1084	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	result &= ~BG_NEEDS_BLUR;	1085	XDestroyImage (ximage);
1322	}	1086	}
1323	if ((bg_flags & BG_NEEDS_TINT)
1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1325	{
1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_TINT;
1328	}
1329	} /* server side rendering completed */
1330	}	1087	}
		1088
		1089	XFreeGC (dpy, gc);
1331	}	1090	}
1332		1091
1333	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1334	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1335		1094
1336	return result;	1095	return ret;
1337	}	1096	}
1338		1097
1339	void	1098	void
1340	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1341	{	1100	{
1342	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1343	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1344	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1345		1104
1346	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1347	}	1106	}
1348	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1349		1108
1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1109	void
1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);	1110	rxvt_term::bg_render ()
		1111	{
		1112	bg_invalidate ();
		1113	# if ENABLE_TRANSPARENCY
		1114	if (bg_flags & BG_IS_TRANSPARENT)
		1115	{
		1116	/* we need to re-generate transparency pixmap in that case ! */
		1117	if (render_root_image ())
		1118	bg_flags |= BG_IS_VALID;
		1119	}
1352	# endif	1120	# endif
1353		1121
1354	bool	1122	# if BG_IMAGE_FROM_FILE
1355	rxvt_term::bg_render ()	1123	if (fimage.flags & IM_IS_SET)
1356	{
1357	unsigned long tr_flags = 0;
1358
1359	bg_invalidate ();
1360	# ifdef ENABLE_TRANSPARENCY
1361	if (bg_flags & BG_IS_TRANSPARENT)
1362	{	1124	{
1363	/* we need to re-generate transparency pixmap in that case ! */	1125	if (render_image (fimage))
1364	tr_flags = make_transparency_pixmap ();
1365	if (tr_flags == 0)
1366	return false;
1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1368	bg_flags |= BG_IS_VALID;	1126	bg_flags |= BG_IS_VALID;
1369	}
1370	# endif
1371
1372	# ifdef BG_IMAGE_FROM_FILE
1373	if ((bg_flags & BG_IS_FROM_FILE)
1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1375	{
1376	if (render_image (tr_flags))
1377	bg_flags |= BG_IS_VALID;
1378	}
1379	# endif
1380
1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1382	XImage *result = NULL;
1383
1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
1385	{
1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1387	}
1388
1389	if (result)
1390	{
1391	/* our own client-side tinting */
1392	if (tr_flags & BG_NEEDS_TINT)
1393	{
1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1395	if (bg_flags & BG_TINT_SET)
1396	tint.get (c);
1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1398	}
1399
1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1401
1402	if (gc)
1403	{
1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1405
1406	XFreeGC (dpy, gc);
1407	bg_flags |= BG_IS_VALID;
1408	}
1409
1410	XDestroyImage (result);
1411	}	1127	}
1412	# endif	1128	# endif
1413		1129
1414	if (!(bg_flags & BG_IS_VALID))	1130	if (!(bg_flags & BG_IS_VALID))
1415	{	1131	{
…		…
1422		1138
1423	scr_recolour (false);	1139	scr_recolour (false);
1424	bg_flags |= BG_NEEDS_REFRESH;	1140	bg_flags |= BG_NEEDS_REFRESH;
1425		1141
1426	bg_valid_since = ev::now ();	1142	bg_valid_since = ev::now ();
1427
1428	return true;
1429	}	1143	}
1430		1144
1431	void	1145	void
1432	rxvt_term::bg_init ()	1146	rxvt_term::bg_init ()
1433	{	1147	{
1434	#ifdef ENABLE_TRANSPARENCY	1148	#if BG_IMAGE_FROM_FILE
1435	shade = 100;	1149	if (rs[Rs_backgroundPixmap])
		1150	{
		1151	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1152	&& !bg_window_position_sensitive ())
		1153	update_background ();
		1154	}
1436	#endif	1155	#endif
1437
1438	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1439	#if XRENDER
1440	int major, minor;
1441	if (XRenderQueryVersion (dpy, &major, &minor))
1442	bg_flags |= BG_HAS_RENDER;
1443	XFilters *filters = XRenderQueryFilters (dpy, vt);
1444	if (filters)
1445	{
1446	for (int i = 0; i < filters->nfilter; i++)
1447	if (!strcmp (filters->filter[i], FilterConvolution))
1448	bg_flags |= BG_HAS_RENDER_CONV;
1449
1450	XFree (filters);
1451	}
1452	#endif
1453	}	1156	}
1454		1157
1455	#endif /* HAVE_BG_PIXMAP */
1456
1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1458	/* taken from aterm-0.4.2 */	1158	/* based on code from aterm-0.4.2 */
1459		1159
1460	static void	1160	static inline void
1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1161	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1462	{	1162	{
		1163	for (int i = 0; i <= mask >> sh; i++)
		1164	{
		1165	uint32_t tmp;
		1166	tmp = i * high;
		1167	tmp += (mask >> sh) * low;
		1168	lookup[i] = (tmp / 0xffff) << sh;
		1169	}
		1170	}
		1171
		1172	void
		1173	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
		1174	{
		1175	unsigned int size_r, size_g, size_b;
1463	int sh_r, sh_g, sh_b;	1176	int sh_r, sh_g, sh_b;
1464	uint32_t mask_r, mask_g, mask_b;	1177	uint32_t mask_r, mask_g, mask_b;
1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1178	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1466	rgba low;	1179	unsigned short low;
1467	rgba high;
1468	int i;
1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1180	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1470		1181
1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1182	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1472		1183
1473	/* for convenience */	1184	/* for convenience */
1474	mask_r = visual->red_mask;	1185	mask_r = visual->red_mask;
1475	mask_g = visual->green_mask;	1186	mask_g = visual->green_mask;
1476	mask_b = visual->blue_mask;	1187	mask_b = visual->blue_mask;
1477		1188
1478	/* boring lookup table pre-initialization */	1189	/* boring lookup table pre-initialization */
1479	switch (ximage->depth)	1190	sh_r = ecb_ctz32 (mask_r);
1480	{	1191	sh_g = ecb_ctz32 (mask_g);
1481	case 15:	1192	sh_b = ecb_ctz32 (mask_b);
1482	if ((mask_r != 0x7c00) ||	1193
1483	(mask_g != 0x03e0) ||	1194	size_r = mask_r >> sh_r;
1484	(mask_b != 0x001f))	1195	size_g = mask_g >> sh_g;
		1196	size_b = mask_b >> sh_b;
		1197
		1198	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1485	return;	1199	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1200
		1201	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1487	lookup_r = lookup;	1202	lookup_r = lookup;
1488	lookup_g = lookup+32;	1203	lookup_g = lookup + size_r;
1489	lookup_b = lookup+32+32;	1204	lookup_b = lookup + size_r + size_g;
1490	sh_r = 10;	1205
1491	sh_g = 5;	1206	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1492	sh_b = 0;	1207
1493	break;	1208	if (tint_set)
1494	case 16:	1209	tint.get (c);
1495	if ((mask_r != 0xf800) ||
1496	(mask_g != 0x07e0) ||
1497	(mask_b != 0x001f))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1500	lookup_r = lookup;
1501	lookup_g = lookup+32;
1502	lookup_b = lookup+32+64;
1503	sh_r = 11;
1504	sh_g = 5;
1505	sh_b = 0;
1506	break;
1507	case 24:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	case 32:
1521	if ((mask_r != 0xff0000) ||
1522	(mask_g != 0x00ff00) ||
1523	(mask_b != 0x0000ff))
1524	return;
1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1526	lookup_r = lookup;
1527	lookup_g = lookup+256;
1528	lookup_b = lookup+256+256;
1529	sh_r = 16;
1530	sh_g = 8;
1531	sh_b = 0;
1532	break;
1533	default:
1534	return; /* we do not support this color depth */
1535	}
1536		1210
1537	/* prepare limits for color transformation (each channel is handled separately) */	1211	/* prepare limits for color transformation (each channel is handled separately) */
1538	if (shade > 100)	1212	if (shade > 100)
1539	{	1213	{
1540	shade = 200 - shade;
1541
1542	high.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;
1545
1546	low.r = 65535 * (100 - shade) / 100;	1214	c.r = c.r * (200 - shade) / 100;
1547	low.g = 65535 * (100 - shade) / 100;	1215	c.g = c.g * (200 - shade) / 100;
1548	low.b = 65535 * (100 - shade) / 100;	1216	c.b = c.b * (200 - shade) / 100;
		1217
		1218	low = 0xffff * (shade - 100) / 100;
1549	}	1219	}
1550	else	1220	else
1551	{	1221	{
1552	high.r = c.r * shade / 100;	1222	c.r = c.r * shade / 100;
1553	high.g = c.g * shade / 100;	1223	c.g = c.g * shade / 100;
1554	high.b = c.b * shade / 100;	1224	c.b = c.b * shade / 100;
1555		1225
1556	low.r = low.g = low.b = 0;	1226	low = 0;
1557	}	1227	}
1558		1228
1559	/* fill our lookup tables */	1229	/* fill our lookup tables */
1560	for (i = 0; i <= mask_r>>sh_r; i++)	1230	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1561	{	1231	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1562	uint32_t tmp;	1232	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1563	tmp = i * high.r;
1564	tmp += (mask_r>>sh_r) * low.r;
1565	lookup_r[i] = (tmp/65535)<<sh_r;
1566	}
1567	for (i = 0; i <= mask_g>>sh_g; i++)
1568	{
1569	uint32_t tmp;
1570	tmp = i * high.g;
1571	tmp += (mask_g>>sh_g) * low.g;
1572	lookup_g[i] = (tmp/65535)<<sh_g;
1573	}
1574	for (i = 0; i <= mask_b>>sh_b; i++)
1575	{
1576	uint32_t tmp;
1577	tmp = i * high.b;
1578	tmp += (mask_b>>sh_b) * low.b;
1579	lookup_b[i] = (tmp/65535)<<sh_b;
1580	}
1581		1233
1582	/* apply table to input image (replacing colors by newly calculated ones) */	1234	/* apply table to input image (replacing colors by newly calculated ones) */
1583	if (ximage->bits_per_pixel == 32	1235	if (ximage->bits_per_pixel == 32
1584	&& (ximage->depth == 24 || ximage->depth == 32)
1585	&& ximage->byte_order == host_byte_order)	1236	&& ximage->byte_order == host_byte_order)
1586	{	1237	{
1587	uint32_t *p1, *pf, *p, *pl;	1238	char *line = ximage->data;
1588	p1 = (uint32_t *) ximage->data;
1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1590		1239
1591	while (p1 < pf)	1240	for (int y = 0; y < ximage->height; y++)
1592	{	1241	{
1593	p = p1;	1242	uint32_t *p = (uint32_t *)line;
1594	pl = p1 + ximage->width;	1243	for (int x = 0; x < ximage->width; x++)
1595	for (; p < pl; p++)
1596	{	1244	{
1597	*p = lookup_r[(*p & 0xff0000) >> 16] |	1245	*p = lookup_r[(*p & mask_r) >> sh_r] |
1598	lookup_g[(*p & 0x00ff00) >> 8] |	1246	lookup_g[(*p & mask_g) >> sh_g] |
1599	lookup_b[(*p & 0x0000ff)] |	1247	lookup_b[(*p & mask_b) >> sh_b];
1600	(*p & 0xff000000);	1248	p++;
1601	}	1249	}
1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1250	line += ximage->bytes_per_line;
1603	}	1251	}
1604	}	1252	}
1605	else	1253	else
1606	{	1254	{
1607	for (int y = 0; y < ximage->height; y++)	1255	for (int y = 0; y < ximage->height; y++)
…		…
1615	}	1263	}
1616	}	1264	}
1617		1265
1618	free (lookup);	1266	free (lookup);
1619	}	1267	}
1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1268
		1269	#endif /* HAVE_BG_PIXMAP */

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