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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.148 by root, Tue Apr 26 09:48:09 2011 UTC vs.
Revision 1.219 by sf-exg, Thu May 24 16:17:33 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
68	if (original_asim)
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
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80
81	if (bg_pixmap)	63	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
83	}	65	}
84		66
85	bool	67	bool
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	86	return true;
105	# endif	87	# endif
106		88
107	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
109	{	91	{
110	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)
111	return true;	95	return true;
112	}	96	}
113	# endif	97	# endif
114		98
115	return false;	99	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	107	return true;
124	# endif	108	# endif
125		109
126	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
128	{	112	{
129	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
130	return true;	114	return true;
131	}	115	}
132	# endif	116	# endif
133		117
134	return false;	118	return false;
135	}	119	}
136		120
137	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef 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	122	static inline int
173	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
174	{	124	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
179	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	127	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	129	else
183	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	131	}
186		132
187	static inline int	133	static inline int
188	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)
189	{	135	{
…		…
195	src_pos = -pos;	141	src_pos = -pos;
196	dst_pos = 0;	142	dst_pos = 0;
197	dst_size += pos;	143	dst_size += pos;
198	}	144	}
199		145
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	147	return src_pos;
203	}	148	}
204		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
205	bool	185	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
207	{	187	{
208	bool changed = false;	188	bool changed = false;
209	int geom_flags = 0;	189	int geom_flags = 0;
210	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
211	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
212	unsigned int n;	193	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	194	uint8_t new_flags = 0;
214	const char *ops;
215		195
216	if (geom == NULL)	196	if (geom == NULL)
217	return false;	197	return false;
218		198
219	char str[256];	199	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	{	200	{
236	/* we have geometry string - let's handle it prior to applying ops */	201	char **arr = rxvt_strsplit (':', geom);
		202
		203	for (int i = 0; arr[i]; i++)
		204	{
		205	if (!strncasecmp (arr[i], "style=", 6))
		206	{
		207	parse_style (arr[i] + 6, x, y, w, h, new_flags);
		208	geom_flags = WidthValue|HeightValue|XValue|YValue;
		209	}
		210	else if (!strcasecmp (arr[i], "op=tile"))
		211	new_flags |= IM_TILE;
		212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		213	new_flags |= IM_KEEP_ASPECT;
		214	else if (!strcasecmp (arr[i], "op=root-align"))
		215	new_flags |= IM_ROOT_ALIGN;
		216
		217	// deprecated
		218	else if (!strcasecmp (arr[i], "tile"))
		219	{
		220	new_flags |= IM_TILE;
		221	w = h = noScale;
		222	geom_flags |= WidthValue|HeightValue;
		223	}
		224	else if (!strcasecmp (arr[i], "propscale"))
		225	{
		226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "hscale"))
		231	{
		232	new_flags |= IM_TILE;
		233	w = windowScale;
		234	h = noScale;
		235	geom_flags |= WidthValue|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "vscale"))
		238	{
		239	new_flags |= IM_TILE;
		240	h = windowScale;
		241	w = noScale;
		242	geom_flags |= WidthValue|HeightValue;
		243	}
		244	else if (!strcasecmp (arr[i], "scale"))
		245	{
		246	w = h = windowScale;
		247	geom_flags |= WidthValue|HeightValue;
		248	}
		249	else if (!strcasecmp (arr[i], "auto"))
		250	{
		251	w = h = windowScale;
		252	x = y = centerAlign;
		253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		254	}
		255	else if (!strcasecmp (arr[i], "root"))
		256	{
		257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		258	w = h = noScale;
		259	geom_flags |= WidthValue|HeightValue;
		260	}
		261
		262	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	264	} /* done parsing ops */
		265
		266	rxvt_free_strsplit (arr);
		267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
239		270
240	if (!update)	271	if (!update)
241	{	272	{
242	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	279	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
250	h = w;	281	h = w;
251	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
252	w = h;	283	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	284	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		285
261	for (int i = 0; arr[i]; i++)	286	clamp_it (x, -100, 200);
262	{	287	clamp_it (y, -100, 200);
263	if (!strcasecmp (arr[i], "tile"))
264	{
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		288
276	h = noScale;	289	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	290	|| h_scale != w
278	}	291	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	292	|| h_align != x
280	{	293	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}	294	{
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
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
315	if (new_flags != bg_flags)
316	{
317	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
318	changed = true;	300	changed = true;
319	}	301	}
320		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
321	return changed;	310	return changed;
322	}	311	}
323		312
324	void	313	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
327	int target_width = szHint.width;	318	int target_width = szHint.width;
328	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		322
330	if (bg_flags & BG_PROP_SCALE)	323	w = h_scale * target_width / 100;
		324	h = v_scale * target_height / 100;
		325
		326	if (image.flags & IM_KEEP_ASPECT)
331	{	327	{
332	float scale = (float)target_width / image_width;	328	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	329	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
336	}	332	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		333
343	if (!w) w = image_width;	334	if (!w) w = image_width;
344	if (!h) h = image_height;	335	if (!h) h = image_height;
345		336
346	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
347	{	338	{
348	x = -target_x;	339	x = -target_x;
349	y = -target_y;	340	y = -target_y;
350	}	341	}
351	else	342	else
352	{	343	{
353	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	345	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	{	346	}
379	ShadingInfo as_shade;	347	}
380	as_shade.shading = shade;
381		348
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	350	bool
384	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
387	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
388		363
389	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
390	}	368	{
391		369	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
393	{	373	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	375	{
396	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
398	{	442	{
399	destroy_asimage (&background);	443	a = pixel[3];
400	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
401	}	465	}
402	}
403	# endif
404		466
405	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
406		493
407	int target_width = szHint.width;	494	int target_width = szHint.width;
408	int target_height = szHint.height;	495	int target_height = szHint.height;
409	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
412	int x = 0;	499	int x = 0;
413	int y = 0;	500	int y = 0;
414	int w = 0;	501	int w = 0;
415	int h = 0;	502	int h = 0;
416		503
417	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		505
420	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	507	&& (x >= target_width
423	|| y >= target_height	508	|| y >= target_height
424	|| (x + w <= 0)	509	|| x + w <= 0
425	|| (y + h <= 0))))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
426	{	521	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		522
433	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	if (image.flags & IM_TILE)
434	{	540	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	543	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		544
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	}
457
458	if (background == NULL)
459	{
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
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	545	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
554	{	548	{
555	if (bg_pixmap)	549	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	551	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
560	}	554	}
561	/* fill with background color (if result's not completely overlapping it) */	555
		556	tmp_pixmap = bg_pixmap;
		557	}
		558
562	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
564		561
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	562	if (gc)
566	int dst_width = result->width, dst_height = result->height;	563	{
567	if (background == NULL)	564	if (image.flags & IM_TILE)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}	565	{
580
581	/* put result on pixmap */
582	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);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	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	bool ret = false;
729
730	if (result)
731	{
732	XGCValues gcv;
733	GC gc;
734	Pixmap root_pmap;
735
736	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);
738
739	if (tr_flags)
740	{
741	root_pmap = bg_pixmap;
742	bg_pixmap = None;
743	}
744	else
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752
753	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)
756	{
757	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;
762	}
763
764	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766
767	if (h_scale == 0 || v_scale == 0)
768	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
770	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	568	0, 0,
772	0, 0,	569	0, 0,
773	image_width, image_height);	570	image_width, image_height, need_blend);
774		571
775	gcv.tile = tile;	572	gcv.tile = tile;
776	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
777	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
778	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
779	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
780		577
781	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
782	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
783	}	580	}
784	else	581	else
785	{	582	{
786	int src_x, src_y, dst_x, dst_y;	583	int src_x, src_y, dst_x, dst_y;
…		…
790	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	587	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
791		588
792	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
793	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
794	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
795	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	592	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
796		593
797	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
798	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
799	src_x, src_y,	596	src_x, src_y,
800	dst_x, dst_y,	597	dst_x, dst_y,
801	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
802	}	599	}
803		600
804	#if XRENDER	601	#if XRENDER
805	if (tr_flags)	602	if (need_blend)
806	{	603	{
807	XRenderPictureAttributes pa;	604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		606
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
811		608
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		610
815	pa.repeat = True;	611	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		612
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	613	XRenderColor mask_c;
824		614
825	mask_c.alpha = 0x8000;	615	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	616	mask_c.red =
827	mask_c.green = 0;	617	mask_c.green =
828	mask_c.blue = 0;	618	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	619	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		620
830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	621	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
831	}
832		622
833	XRenderFreePicture (dpy, src);	623	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	624	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	625	XRenderFreePicture (dpy, mask);
836
837	XFreePixmap (dpy, root_pmap);
838	}	626	}
839	#endif	627	#endif
840		628
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	629	XFreeGC (dpy, gc);
845		630
846	ret = true;	631	ret = true;
847	}	632	}
848		633
		634	if (result != pixbuf)
		635	g_object_unref (result);
		636
		637	if (need_blend)
		638	XFreePixmap (dpy, tmp_pixmap);
		639
849	return ret;	640	return ret;
850	}	641	}
851	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
852		643
853	bool	644	bool
854	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
855	{	646	{
856	if (!file || !*file)	647	if (!file || !*file)
857	return false;	648	return false;
858		649
		650	bool ret = false;
859	if (const char *p = strchr (file, ';'))	651	const char *p = strchr (file, ';');
		652
		653	if (p)
860	{	654	{
861	size_t len = p - file;	655	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	656	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	657	memcpy (f, file, len);
864	f[len] = '\0';	658	f[len] = '\0';
865	file = f;	659	file = f;
866	}	660	}
867		661
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	664	if (image)
885	{	665	{
886	if (pixbuf)	666	if (pixbuf)
887	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
888	pixbuf = image;	668	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;
890	return true;	669	ret = true;
891	}	670	}
892	# endif	671	# endif
893		672
		673	if (ret)
		674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
		679	if (p)
		680	set_geometry (p + 1);
		681	}
		682
894	return false;	683	return ret;
895	}	684	}
896		685
897	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
898		687
899	# ifdef ENABLE_TRANSPARENCY	688	# ifdef ENABLE_TRANSPARENCY
900	bool
901	rxvt_term::bg_set_transparent ()
902	{
903	if (!(bg_flags & BG_IS_TRANSPARENT))
904	{
905	bg_flags |= BG_IS_TRANSPARENT;
906	return true;
907	}
908
909	return false;
910	}
911
912	bool	689	bool
913	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
914	{	691	{
915	bool changed = false;	692	bool changed = false;
916	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
935	{	712	{
936	changed = true;	713	changed = true;
937	v_blurRadius = vr;	714	v_blurRadius = vr;
938	}	715	}
939		716
940	if (v_blurRadius == 0 && h_blurRadius == 0)
941	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944
945	return changed;	717	return changed;
946	}	718	}
947		719
948	void	720	bool
949	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
950	{	722	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
952	bool has_shade = shade != 100;	724	{
953		725	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	726	bg_flags |= BG_TINT_SET;
955		727
956	if (bg_flags & BG_TINT_SET)	728	rgba c;
957	{
958	tint.get (c);	729	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
964	}	734	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	735	bg_flags &= ~BG_TINT_BITAND;
977	set_tint_shade_flags ();	736
978	return true;	737	return true;
979	}	738	}
980		739
981	return false;	740	return false;
982	}	741	}
983		742
984	bool	743	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	744	rxvt_term::bg_set_shade (const char *shade_str)
986	{	745	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	746	int new_shade = atoi (shade_str);
988		747
989	clamp_it (new_shade, -100, 200);	748	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	749	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
992		751
993	if (new_shade != shade)	752	if (new_shade != shade)
994	{	753	{
995	shade = new_shade;	754	shade = new_shade;
996	set_tint_shade_flags ();
997	return true;	755	return true;
998	}	756	}
999		757
1000	return false;	758	return false;
1001	}	759	}
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	781	}
1024	#endif	782	#endif
1025		783
1026	bool	784	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1028	{	786	{
1029	bool ret = false;	787	bool ret = false;
1030	#if XRENDER	788	#if XRENDER
		789	if (!(bg_flags & BG_HAS_RENDER_CONV))
		790	return false;
		791
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		795
1035	XRenderPictureAttributes pa;	796	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		798
		799	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	800	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		801	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1040		804
1041	if (kernel && params && src && dst)	805	if (kernel && params)
1042	{	806	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		809
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	810	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	811	XRenderComposite (dpy,
1050	PictOpSrc,	812	PictOpSrc,
1051	src,	813	src,
1052	None,	814	None,
1053	dst,	815	dst,
1054	0, 0,	816	0, 0,
1055	0, 0,	817	0, 0,
1056	0, 0,	818	0, 0,
1057	width, height);	819	width, height);
1058	}
1059		820
1060	if (v_blurRadius)	821	::swap (src, dst);
1061	{	822
1062	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1065		826
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	828	XRenderComposite (dpy,
1068	PictOpSrc,	829	PictOpSrc,
1069	src,	830	src,
1070	None,	831	None,
1071	dst,	832	dst,
1072	0, 0,	833	0, 0,
1073	0, 0,	834	0, 0,
1074	0, 0,	835	0, 0,
1075	width, height);	836	width, height);
1076	}
1077		837
1078	ret = true;	838	ret = true;
1079	}	839	}
1080		840
1081	free (kernel);	841	free (kernel);
…		…
1085	#endif	845	#endif
1086	return ret;	846	return ret;
1087	}	847	}
1088		848
1089	bool	849	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1091	{	851	{
1092	bool ret = false;	852	bool ret = false;
1093		853
1094	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	855	{
1096	XGCValues gcv;	856	XGCValues gcv;
1097	GC gc;	857	GC gc;
1098		858
1099	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	868	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	869	ret = true;
1110	XFreeGC (dpy, gc);	870	XFreeGC (dpy, gc);
1111	}	871	}
1112	}	872	}
1113	else
1114	{
1115	# if XRENDER	873	# if XRENDER
		874	else if (bg_flags & BG_HAS_RENDER)
		875	{
1116	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	876	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		877
1118	if (bg_flags & BG_TINT_SET)	878	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	879	tint.get (c);
1120		880
…		…
1129	c.r = c.r * (200 - shade) / 100;	889	c.r = c.r * (200 - shade) / 100;
1130	c.g = c.g * (200 - shade) / 100;	890	c.g = c.g * (200 - shade) / 100;
1131	c.b = c.b * (200 - shade) / 100;	891	c.b = c.b * (200 - shade) / 100;
1132	}	892	}
1133		893
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	894	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		895
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	896	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		897
1140	pa.repeat = True;	898	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		899
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	900	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		901
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	902	XRenderColor mask_c;
1154		903
1155	mask_c.alpha = 0xffff;	904	mask_c.alpha = 0xffff;
		905	mask_c.red =
		906	mask_c.green =
		907	mask_c.blue = 0;
		908	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		909
		910	mask_c.alpha = 0;
		911	mask_c.red = 0xffff - c.r;
		912	mask_c.green = 0xffff - c.g;
		913	mask_c.blue = 0xffff - c.b;
		914	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		915
		916	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		917
		918	if (shade > 100)
		919	{
		920	mask_c.alpha = 0;
1156	mask_c.red =	921	mask_c.red =
1157	mask_c.green =	922	mask_c.green =
1158	mask_c.blue = 0;	923	mask_c.blue = 0xffff * (shade - 100) / 100;
1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	924	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1160		925
1161	mask_c.alpha = 0;
1162	mask_c.red = 0xffff - c.r;
1163	mask_c.green = 0xffff - c.g;
1164	mask_c.blue = 0xffff - c.b;
1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1167
1168	if (shade > 100)
1169	{
1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1171	mask_c.alpha = 0;
1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1173
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	926	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175	}
1176
1177	ret = true;
1178	}	927	}
		928
		929	ret = true;
1179		930
1180	XRenderFreePicture (dpy, mask_pic);	931	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	932	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	933	XRenderFreePicture (dpy, back_pic);
		934	}
1183	# endif	935	# endif
1184	}
1185		936
1186	return ret;	937	return ret;
1187	}	938	}
1188		939
1189	/* make_transparency_pixmap()	940	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	941	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	942	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	943	* our window.
1193	*/	944	*/
1194	unsigned long	945	bool
1195	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1196	{	947	{
1197	unsigned long result = 0;	948	bool ret = false;
1198		949
1199	/* root dimensions may change from call to call - but Display structure should	950	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1201	*/	952	*/
1202	int screen = display->screen;	953	int screen = display->screen;
…		…
1238	if (root_pixmap != None && root_depth != depth)	989	if (root_pixmap != None && root_depth != depth)
1239	{	990	{
1240	#if XRENDER	991	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	992	if (bg_flags & BG_HAS_RENDER)
1242	{	993	{
1243	XRenderPictureAttributes pa;	994	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		995
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	996	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	997	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		998
1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	999	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1000	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1251		1001
1252	if (src && dst)
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1002	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254	else
1255	{
1256	XFreePixmap (dpy, recoded_root_pmap);
1257	root_pixmap = None;
1258	}
1259		1003
1260	XRenderFreePicture (dpy, src);	1004	XRenderFreePicture (dpy, src);
1261	XRenderFreePicture (dpy, dst);	1005	XRenderFreePicture (dpy, dst);
1262	}	1006	}
1263	else	1007	else
1264	#endif	1008	#endif
1265	root_pixmap = None;	1009	recoded_root_pmap = None;
1266	}	1010	}
1267		1011
1268	if (root_pixmap == None)	1012	if (recoded_root_pmap == None)
1269	return 0;	1013	return 0;
1270		1014
1271	if (bg_pixmap == None	1015	if (bg_pixmap == None
1272	|| bg_pmap_width != window_width	1016	|| bg_pmap_width != window_width
1273	|| bg_pmap_height != window_height)	1017	|| bg_pmap_height != window_height)
…		…
1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1021	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1278	bg_pmap_width = window_width;	1022	bg_pmap_width = window_width;
1279	bg_pmap_height = window_height;	1023	bg_pmap_height = window_height;
1280	}	1024	}
1281		1025
1282	if (bg_pixmap == None)
1283	return 0;
1284
1285	/* straightforward pixmap copy */	1026	/* straightforward pixmap copy */
1286	while (sx < 0) sx += (int)root_width;	1027	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += (int)root_height;	1028	while (sy < 0) sy += root_pmap_height;
1288		1029
1289	gcv.tile = recoded_root_pmap;	1030	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1031	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1032	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1033	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1035
1295	if (gc)	1036	if (gc)
1296	{	1037	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1039	ret = true;
		1040	bool need_blur = h_blurRadius && v_blurRadius;
		1041	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1042
		1043	if (!(bg_flags & BG_CLIENT_RENDER))
		1044	{
		1045	if (need_blur)
		1046	{
		1047	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1048	need_blur = false;
		1049	}
		1050	if (need_tint)
		1051	{
		1052	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1053	need_tint = false;
		1054	}
		1055	if (need_tint)
		1056	{
		1057	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1058	if (ximage)
		1059	{
		1060	/* our own client-side tinting */
		1061	tint_ximage (ximage);
		1062
		1063	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1064	XDestroyImage (ximage);
		1065	}
		1066	}
		1067	} /* server side rendering completed */
		1068
1299	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1300
1301	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{
1303	if ((bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;
1308	}
1309	if ((bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;
1314	}
1315	} /* server side rendering completed */
1316	}	1070	}
1317		1071
1318	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1320		1074
1321	return result;	1075	return ret;
1322	}	1076	}
1323		1077
1324	void	1078	void
1325	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1326	{	1080	{
…		…
1330		1084
1331	root_pixmap = new_root_pixmap;	1085	root_pixmap = new_root_pixmap;
1332	}	1086	}
1333	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1334		1088
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1089	bool
1340	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1341	{	1091	{
1342	unsigned long tr_flags = 0;
1343
1344	bg_invalidate ();	1092	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1095	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1350	if (tr_flags == 0)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1098	bg_flags |= BG_IS_VALID;
1354	}	1099	}
1355	# endif	1100	# endif
1356		1101
1357	# ifdef BG_IMAGE_FROM_FILE	1102	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1103	if (bg_image.flags & IM_IS_SET)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1104	{
1361	if (render_image (tr_flags))	1105	if (render_image (bg_image))
1362	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1107	}
1397	# endif	1108	# endif
1398		1109
1399	if (!(bg_flags & BG_IS_VALID))	1110	if (!(bg_flags & BG_IS_VALID))
1400	{	1111	{
…		…
1437	#endif	1148	#endif
1438	}	1149	}
1439		1150
1440	#endif /* HAVE_BG_PIXMAP */	1151	#endif /* HAVE_BG_PIXMAP */
1441		1152
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1153	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1154	/* based on code from aterm-0.4.2 */
1444		1155
1445	static void	1156	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1157	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1158	{
		1159	for (int i = 0; i <= mask >> sh; i++)
		1160	{
		1161	uint32_t tmp;
		1162	tmp = i * high;
		1163	tmp += (mask >> sh) * low;
		1164	lookup[i] = (tmp / 0xffff) << sh;
		1165	}
		1166	}
		1167
		1168	void
		1169	rxvt_term::tint_ximage (XImage *ximage)
		1170	{
		1171	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1172	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1173	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1174	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1175	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1176	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1177
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1178	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1179
1458	/* for convenience */	1180	/* for convenience */
1459	mask_r = visual->red_mask;	1181	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1182	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1183	mask_b = visual->blue_mask;
1462		1184
1463	/* boring lookup table pre-initialization */	1185	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1186	sh_r = ecb_ctz32 (mask_r);
1465	{	1187	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1188	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1189
1468	(mask_g != 0x03e0) ||	1190	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1191	size_g = mask_g >> sh_g;
		1192	size_b = mask_b >> sh_b;
		1193
		1194	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1195	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1196
		1197	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1198	lookup_r = lookup;
1473	lookup_g = lookup+32;	1199	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1200	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1201
1476	sh_g = 5;	1202	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1203
1478	break;	1204	if (bg_flags & BG_TINT_SET)
1479	case 16:	1205	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1206
1522	/* prepare limits for color transformation (each channel is handled separately) */	1207	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1208	if (shade > 100)
1524	{	1209	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1210	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1211	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1212	c.b = c.b * (200 - shade) / 100;
		1213
		1214	low = 0xffff * (shade - 100) / 100;
1534	}	1215	}
1535	else	1216	else
1536	{	1217	{
1537	high.r = c.r * shade / 100;	1218	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1219	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1220	c.b = c.b * shade / 100;
1540		1221
1541	low.r = low.g = low.b = 0;	1222	low = 0;
1542	}	1223	}
1543		1224
1544	/* fill our lookup tables */	1225	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1226	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1227	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1228	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1229
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1230	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1231	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1232	&& ximage->byte_order == host_byte_order)
1571	{	1233	{
1572	uint32_t *p1, *pf, *p, *pl;	1234	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1235
1576	while (p1 < pf)	1236	for (int y = 0; y < ximage->height; y++)
1577	{
1578	p = p1;
1579	pl = p1 + ximage->width;
1580	for (; p < pl; p++)
1581	{	1237	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1238	uint32_t *p = (uint32_t *)line;
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1239	for (int x = 0; x < ximage->width; x++)
1584	lookup_b[(*p & 0x0000ff)] |
1585	(*p & 0xff000000);
1586	}	1240	{
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1241	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1242	lookup_g[(*p & mask_g) >> sh_g] |
		1243	lookup_b[(*p & mask_b) >> sh_b];
		1244	p++;
		1245	}
		1246	line += ximage->bytes_per_line;
1588	}	1247	}
1589	}	1248	}
1590	else	1249	else
1591	{	1250	{
1592	for (int y = 0; y < ximage->height; y++)	1251	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1259	}
1601	}	1260	}
1602		1261
1603	free (lookup);	1262	free (lookup);
1604	}	1263	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1264	#endif /* ENABLE_TRANSPARENCY */

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