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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.182 by sf-exg, Sun Dec 25 17:01:21 2011 UTC vs.
Revision 1.221 by sf-exg, Fri May 25 09:27:35 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
83	{	96	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		275
289	if (!update)	276	if (!update)
290	{	277	{
291	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	284	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
299	h = w;	286	h = w;
300	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
301	w = h;	288	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
313	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
314	changed = true;	305	changed = true;
315	}	306	}
316		307
		308	if (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
317	return changed;	315	return changed;
318	}	316	}
319		317
320	void	318	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
323	int target_width = szHint.width;	323	int target_width = szHint.width;
324	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325		327
326	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
328		330
329	if (bg_flags & BG_KEEP_ASPECT)	331	if (image.flags & IM_KEEP_ASPECT)
330	{	332	{
331	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
335	}	337	}
336		338
337	if (!w) w = image_width;	339	if (!w) w = image_width;
338	if (!h) h = image_height;	340	if (!h) h = image_height;
339		341
340	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
341	{	343	{
342	x = -target_x;	344	x = -target_x;
343	y = -target_y;	345	y = -target_y;
344	}	346	}
345	else	347	else
346	{	348	{
347	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	351	}
374	ShadingInfo as_shade;	352	}
375	as_shade.shading = shade;
376		353
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	355	bool
379	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
383		368
384	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
385	}	373	{
386		374	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
388	{	378	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
390	ASA_XImage,	380	{
391	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
393	{	447	{
394	destroy_asimage (&background);	448	a = pixel[3];
395	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
396	}	470	}
397	}
398	# endif
399		471
400	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
401		498
402	int target_width = szHint.width;	499	int target_width = szHint.width;
403	int target_height = szHint.height;	500	int target_height = szHint.height;
404	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
407	int x = 0;	504	int x = 0;
408	int y = 0;	505	int y = 0;
409	int w = 0;	506	int w = 0;
410	int h = 0;	507	int h = 0;
411		508
412	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		510
415	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	512	&& (x >= target_width
418	|| y >= target_height	513	|| y >= target_height
419	|| x + w <= 0	514	|| x + w <= 0
420	|| y + h <= 0)))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
421	{	526	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		527
428	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
429	{	549	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	552	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		553
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	554	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
549	{	557	{
550	if (bg_pixmap)	558	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
555	}	563	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		564
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	566	}
759		567
760	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		570
763	if (gc)	571	if (gc)
764	{	572	{
765	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
766	{	574	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	577	0, 0,
770	0, 0,	578	0, 0,
771	image_width, image_height);	579	image_width, image_height, need_blend);
772		580
773	gcv.tile = tile;	581	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		586
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
781	}	589	}
782	else	590	else
783	{	591	{
784	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		597
790	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		602
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	605	src_x, src_y,
798	dst_x, dst_y,	606	dst_x, dst_y,
799	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
800	}	608	}
801		609
802	#if XRENDER	610	#if XRENDER
803	if (tr_flags)	611	if (need_blend)
804	{	612	{
805	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		617
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		619
813	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		621
819	XRenderColor mask_c;	622	XRenderColor mask_c;
820		623
821	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
822	mask_c.red = 0;	625	mask_c.red =
823	mask_c.green = 0;	626	mask_c.green =
824	mask_c.blue = 0;	627	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		631
828	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
837	}	641	}
838		642
839	if (result != pixbuf)	643	if (result != pixbuf)
840	g_object_unref (result);	644	g_object_unref (result);
841		645
842	if (tr_flags)	646	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
844		648
845	return ret;	649	return ret;
846	}	650	}
847	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
848		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	rxvt_image *image;
		680
		681	for (image = image_vec.begin (); image < image_vec.end (); image++)
		682	if (image->id == id)
		683	break;
		684
		685	if (image == image_vec.end ())
		686	{
		687	image = new_image ();
		688	image->id = id;
		689	}
		690	}
		691	# endif
		692
		693	rxvt_image::rxvt_image ()
		694	{
		695	id =
		696	alpha =
		697	flags =
		698	h_scale =
		699	v_scale =
		700	h_align =
		701	v_align = 0;
		702
		703	# ifdef HAVE_PIXBUF
		704	pixbuf = 0;
		705	# endif
		706	}
		707
849	bool	708	bool
850	rxvt_term::bg_set_file (const char *file)	709	rxvt_image::set_file_geometry (const char *file)
851	{	710	{
852	if (!file || !*file)	711	if (!file || !*file)
853	return false;	712	return false;
854		713
855	bool ret = false;
856	const char *p = strchr (file, ';');	714	const char *p = strchr (file, ';');
857		715
858	if (p)	716	if (p)
859	{	717	{
860	size_t len = p - file;	718	size_t len = p - file;
…		…
862	memcpy (f, file, len);	720	memcpy (f, file, len);
863	f[len] = '\0';	721	f[len] = '\0';
864	file = f;	722	file = f;
865	}	723	}
866		724
867	# ifdef HAVE_AFTERIMAGE	725	bool ret = set_file (file);
868	if (!asimman)	726	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	727	if (ret && p)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	728	set_geometry (p + 1);
871	if (image)	729	return ret;
872	{	730	}
873	if (original_asim)	731
874	safe_asimage_destroy (original_asim);	732	bool
875	original_asim = image;	733	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	734	{
877	ret = true;	735	bool ret = false;
878	}
879	# endif
880		736
881	# ifdef HAVE_PIXBUF	737	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	738	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	739	if (image)
884	{	740	{
885	if (pixbuf)	741	if (pixbuf)
886	g_object_unref (pixbuf);	742	g_object_unref (pixbuf);
887	pixbuf = image;	743	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	744	ret = true;
890	}	745	}
891	# endif	746	# endif
892		747
893	if (ret)	748	if (ret)
894	{	749	{
895	if (p)	750	alpha = 0xffff;
896	bg_set_geometry (p + 1);	751	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
897	else	752	h_scale = v_scale = defaultScale;
898	bg_set_default_geometry ();	753	h_align = v_align = defaultAlign;
899	}	754	}
900		755
901	return ret;	756	return ret;
902	}	757	}
903		758
904	# endif /* BG_IMAGE_FROM_FILE */	759	# endif /* BG_IMAGE_FROM_FILE */
905		760
906	# ifdef ENABLE_TRANSPARENCY	761	# ifdef ENABLE_TRANSPARENCY
907	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool	762	bool
920	rxvt_term::bg_set_blur (const char *geom)	763	rxvt_term::bg_set_blur (const char *geom)
921	{	764	{
922	bool changed = false;	765	bool changed = false;
923	unsigned int hr, vr;	766	unsigned int hr, vr;
…		…
942	{	785	{
943	changed = true;	786	changed = true;
944	v_blurRadius = vr;	787	v_blurRadius = vr;
945	}	788	}
946		789
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	790	return changed;
953	}	791	}
954		792
955	void	793	bool
956	rxvt_term::set_tint_shade_flags ()	794	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	795	{
		796	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		797	{
		798	tint = new_tint;
		799	bg_flags |= BG_TINT_SET;
		800
958	rgba c;	801	rgba c;
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);	802	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	803	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	804	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	805	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	806	bg_flags |= BG_TINT_BITAND;
971	}	807	else
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	808	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	809
985	return true;	810	return true;
986	}	811	}
987		812
988	return false;	813	return false;
989	}	814	}
990		815
991	bool	816	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	817	rxvt_term::bg_set_shade (const char *shade_str)
993	{	818	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	819	int new_shade = atoi (shade_str);
995		820
996	clamp_it (new_shade, -100, 200);	821	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	822	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	823	new_shade = 200 - (100 + new_shade);
999		824
1000	if (new_shade != shade)	825	if (new_shade != shade)
1001	{	826	{
1002	shade = new_shade;	827	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	828	return true;
1005	}	829	}
1006		830
1007	return false;	831	return false;
1008	}	832	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	853	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	854	}
1031	#endif	855	#endif
1032		856
1033	bool	857	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	858	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	859	{
1036	bool ret = false;	860	bool ret = false;
1037	#if XRENDER	861	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	862	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	863	return false;
…		…
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	867	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		868
1045	XRenderPictureAttributes pa;	869	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		871
		872	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		874	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	875	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		876	XFreePixmap (dpy, tmp);
1050		877
1051	if (kernel && params)	878	if (kernel && params)
1052	{	879	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	880	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	881	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		882
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	883	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	884	XRenderComposite (dpy,
1060	PictOpSrc,	885	PictOpSrc,
1061	src,	886	src,
1062	None,	887	None,
1063	dst,	888	dst,
1064	0, 0,	889	0, 0,
1065	0, 0,	890	0, 0,
1066	0, 0,	891	0, 0,
1067	width, height);	892	width, height);
1068	}
1069		893
1070	if (v_blurRadius)	894	::swap (src, dst);
1071	{	895
1072	size = v_blurRadius * 2 + 1;	896	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	897	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	898	::swap (params[0], params[1]);
1075		899
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	900	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	901	XRenderComposite (dpy,
1078	PictOpSrc,	902	PictOpSrc,
1079	src,	903	src,
1080	None,	904	None,
1081	dst,	905	dst,
1082	0, 0,	906	0, 0,
1083	0, 0,	907	0, 0,
1084	0, 0,	908	0, 0,
1085	width, height);	909	width, height);
1086	}
1087		910
1088	ret = true;	911	ret = true;
1089	}	912	}
1090		913
1091	free (kernel);	914	free (kernel);
…		…
1095	#endif	918	#endif
1096	return ret;	919	return ret;
1097	}	920	}
1098		921
1099	bool	922	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	923	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	924	{
1102	bool ret = false;	925	bool ret = false;
1103		926
1104	if (bg_flags & BG_TINT_BITAND)	927	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	928	{
1106	XGCValues gcv;	929	XGCValues gcv;
1107	GC gc;	930	GC gc;
1108		931
1109	/* In this case we can tint image server-side getting significant	932	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	962	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	963	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	964	c.b = c.b * (200 - shade) / 100;
1142	}	965	}
1143		966
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	967	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		968
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	969	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		970
1150	pa.repeat = True;	971	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		972
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	973	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		974
1161	XRenderColor mask_c;	975	XRenderColor mask_c;
1162		976
1163	mask_c.alpha = 0xffff;	977	mask_c.alpha = 0xffff;
1164	mask_c.red =	978	mask_c.red =
…		…
1169	mask_c.alpha = 0;	983	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	984	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	985	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	986	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		988
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	989	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		990
1176	if (shade > 100)	991	if (shade > 100)
1177	{	992	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	993	mask_c.alpha = 0;
		994	mask_c.red =
		995	mask_c.green =
		996	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	997	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		998
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	999	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	1000	}
1184		1001
…		…
1196	/*	1013	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1014	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	1015	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1016	* our window.
1200	*/	1017	*/
1201	unsigned long	1018	bool
1202	rxvt_term::make_transparency_pixmap ()	1019	rxvt_term::make_transparency_pixmap ()
1203	{	1020	{
1204	unsigned long result = 0;	1021	bool ret = false;
1205		1022
1206	/* root dimensions may change from call to call - but Display structure should	1023	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1024	* be always up-to-date, so let's use it :
1208	*/	1025	*/
1209	int screen = display->screen;	1026	int screen = display->screen;
…		…
1247	#if XRENDER	1064	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1065	if (bg_flags & BG_HAS_RENDER)
1249	{	1066	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1067	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1068
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1069	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1070	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1071
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1072	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1073	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1074
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1075	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1076
1262	XRenderFreePicture (dpy, src);	1077	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1078	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1107	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1108
1294	if (gc)	1109	if (gc)
1295	{	1110	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1111	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1112	ret = true;
1298	XFreeGC (dpy, gc);	1113	bool need_blur = h_blurRadius && v_blurRadius;
		1114	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1299		1115
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1116	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1117	{
1302	if (bg_flags & BG_NEEDS_BLUR)	1118	if (need_blur)
1303	{	1119	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (blur_pixmap (bg_pixmap, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;	1121	need_blur = false;
1306	}	1122	}
1307	if (bg_flags & BG_NEEDS_TINT)	1123	if (need_tint)
1308	{	1124	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1125	if (tint_pixmap (bg_pixmap, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;	1126	need_tint = false;
		1127	}
		1128	if (need_tint)
		1129	{
		1130	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1131	if (ximage)
		1132	{
		1133	/* our own client-side tinting */
		1134	tint_ximage (ximage);
		1135
		1136	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1137	XDestroyImage (ximage);
		1138	}
1311	}	1139	}
1312	} /* server side rendering completed */	1140	} /* server side rendering completed */
		1141
		1142	XFreeGC (dpy, gc);
1313	}	1143	}
1314		1144
1315	if (recoded_root_pmap != root_pixmap)	1145	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1146	XFreePixmap (dpy, recoded_root_pmap);
1317		1147
1318	return result;	1148	return ret;
1319	}	1149	}
1320		1150
1321	void	1151	void
1322	rxvt_term::bg_set_root_pixmap ()	1152	rxvt_term::bg_set_root_pixmap ()
1323	{	1153	{
…		…
1327		1157
1328	root_pixmap = new_root_pixmap;	1158	root_pixmap = new_root_pixmap;
1329	}	1159	}
1330	# endif /* ENABLE_TRANSPARENCY */	1160	# endif /* ENABLE_TRANSPARENCY */
1331		1161
1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1334	# endif
1335
1336	bool	1162	bool
1337	rxvt_term::bg_render ()	1163	rxvt_term::bg_render ()
1338	{	1164	{
1339	unsigned long tr_flags = 0;
1340
1341	bg_invalidate ();	1165	bg_invalidate ();
1342	# ifdef ENABLE_TRANSPARENCY	1166	# ifdef ENABLE_TRANSPARENCY
1343	if (bg_flags & BG_IS_TRANSPARENT)	1167	if (bg_flags & BG_IS_TRANSPARENT)
1344	{	1168	{
1345	/* we need to re-generate transparency pixmap in that case ! */	1169	/* we need to re-generate transparency pixmap in that case ! */
1346	tr_flags = make_transparency_pixmap ();	1170	if (make_transparency_pixmap ())
1347	if (tr_flags == 0)
1348	return false;
1349	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1350	}	1172	}
1351	# endif	1173	# endif
1352		1174
1353	# ifdef BG_IMAGE_FROM_FILE	1175	# ifdef BG_IMAGE_FROM_FILE
1354	if ((bg_flags & BG_IS_FROM_FILE)	1176	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1355	|| (tr_flags & BG_EFFECTS_FLAGS))
1356	{	1177	{
1357	if (render_image (tr_flags))	1178	if (render_image (*bg_image))
1358	bg_flags |= BG_IS_VALID;	1179	bg_flags |= BG_IS_VALID;
1359	}
1360	# endif
1361
1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363	XImage *result = NULL;
1364
1365	if (tr_flags & BG_NEEDS_TINT)
1366	{
1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368	}
1369
1370	if (result)
1371	{
1372	/* our own client-side tinting */
1373	//if (tr_flags & BG_NEEDS_TINT)
1374	if (1)
1375	{
1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377	if (bg_flags & BG_TINT_SET)
1378	tint.get (c);
1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380	}
1381
1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388	XFreeGC (dpy, gc);
1389	}
1390
1391	XDestroyImage (result);
1392	}	1180	}
1393	# endif	1181	# endif
1394		1182
1395	if (!(bg_flags & BG_IS_VALID))	1183	if (!(bg_flags & BG_IS_VALID))
1396	{	1184	{
…		…
1429	bg_flags |= BG_HAS_RENDER_CONV;	1217	bg_flags |= BG_HAS_RENDER_CONV;
1430		1218
1431	XFree (filters);	1219	XFree (filters);
1432	}	1220	}
1433	#endif	1221	#endif
		1222
		1223	#ifdef BG_IMAGE_FROM_FILE
		1224	if (rs[Rs_backgroundPixmap])
		1225	{
		1226	rxvt_image *image = new_image ();
		1227	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1228	image_vec.pop_back ();
		1229	}
		1230
		1231	# ifndef NO_RESOURCES
		1232	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1233	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1234	while (bg_image != image_vec.end ())
		1235	{
		1236	if (!(bg_image->flags & IM_IS_SET))
		1237	bg_image = image_vec.erase (bg_image);
		1238	else
		1239	bg_image++;
		1240	}
		1241	# endif
		1242
		1243	if (image_vec.size () > 0
		1244	&& !bg_window_position_sensitive ())
		1245	update_background ();
		1246	#endif
1434	}	1247	}
1435		1248
1436	#endif /* HAVE_BG_PIXMAP */	1249	#endif /* HAVE_BG_PIXMAP */
1437		1250
1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1251	#ifdef ENABLE_TRANSPARENCY
1439	/* based on code from aterm-0.4.2 */	1252	/* based on code from aterm-0.4.2 */
1440		1253
1441	static inline void	1254	static inline void
1442	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1255	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1443	{	1256	{
…		…
1448	tmp += (mask >> sh) * low;	1261	tmp += (mask >> sh) * low;
1449	lookup[i] = (tmp / 0xffff) << sh;	1262	lookup[i] = (tmp / 0xffff) << sh;
1450	}	1263	}
1451	}	1264	}
1452		1265
1453	static void	1266	void
1454	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1267	rxvt_term::tint_ximage (XImage *ximage)
1455	{	1268	{
		1269	unsigned int size_r, size_g, size_b;
1456	int sh_r, sh_g, sh_b;	1270	int sh_r, sh_g, sh_b;
1457	uint32_t mask_r, mask_g, mask_b;	1271	uint32_t mask_r, mask_g, mask_b;
1458	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1272	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1459	unsigned short low;	1273	unsigned short low;
1460	rgba high;
1461	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1274	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1462		1275
1463	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1276	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1464		1277
1465	/* for convenience */	1278	/* for convenience */
1466	mask_r = visual->red_mask;	1279	mask_r = visual->red_mask;
1467	mask_g = visual->green_mask;	1280	mask_g = visual->green_mask;
1468	mask_b = visual->blue_mask;	1281	mask_b = visual->blue_mask;
1469		1282
1470	/* boring lookup table pre-initialization */	1283	/* boring lookup table pre-initialization */
1471	switch (ximage->depth)	1284	sh_r = ecb_ctz32 (mask_r);
1472	{	1285	sh_g = ecb_ctz32 (mask_g);
1473	case 15:	1286	sh_b = ecb_ctz32 (mask_b);
1474	if ((mask_r != 0x7c00) ||	1287
1475	(mask_g != 0x03e0) ||	1288	size_r = mask_r >> sh_r;
1476	(mask_b != 0x001f))	1289	size_g = mask_g >> sh_g;
		1290	size_b = mask_b >> sh_b;
		1291
		1292	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1477	return;	1293	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1294
		1295	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1479	lookup_r = lookup;	1296	lookup_r = lookup;
1480	lookup_g = lookup+32;	1297	lookup_g = lookup + size_r;
1481	lookup_b = lookup+32+32;	1298	lookup_b = lookup + size_r + size_g;
1482	sh_r = 10;	1299
1483	sh_g = 5;	1300	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1484	sh_b = 0;	1301
1485	break;	1302	if (bg_flags & BG_TINT_SET)
1486	case 16:	1303	tint.get (c);
1487	if ((mask_r != 0xf800) ||
1488	(mask_g != 0x07e0) ||
1489	(mask_b != 0x001f))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1492	lookup_r = lookup;
1493	lookup_g = lookup+32;
1494	lookup_b = lookup+32+64;
1495	sh_r = 11;
1496	sh_g = 5;
1497	sh_b = 0;
1498	break;
1499	case 24:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	case 32:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	default:
1526	return; /* we do not support this color depth */
1527	}
1528		1304
1529	/* prepare limits for color transformation (each channel is handled separately) */	1305	/* prepare limits for color transformation (each channel is handled separately) */
1530	if (shade > 100)	1306	if (shade > 100)
1531	{	1307	{
1532	shade = 200 - shade;	1308	c.r = c.r * (200 - shade) / 100;
		1309	c.g = c.g * (200 - shade) / 100;
		1310	c.b = c.b * (200 - shade) / 100;
1533		1311
1534	high.r = c.r * shade / 100;
1535	high.g = c.g * shade / 100;
1536	high.b = c.b * shade / 100;
1537
1538	low = 0xffff * (100 - shade) / 100;	1312	low = 0xffff * (shade - 100) / 100;
1539	}	1313	}
1540	else	1314	else
1541	{	1315	{
1542	high.r = c.r * shade / 100;	1316	c.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;	1317	c.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;	1318	c.b = c.b * shade / 100;
1545		1319
1546	low = 0;	1320	low = 0;
1547	}	1321	}
1548		1322
1549	/* fill our lookup tables */	1323	/* fill our lookup tables */
1550	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1324	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1551	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1325	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1326	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1327
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1328	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1329	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 || ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1330	&& ximage->byte_order == host_byte_order)
1558	{	1331	{
1559	uint32_t *p1, *pf, *p, *pl;	1332	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1562		1333
1563	while (p1 < pf)	1334	for (int y = 0; y < ximage->height; y++)
1564	{	1335	{
1565	p = p1;	1336	uint32_t *p = (uint32_t *)line;
1566	pl = p1 + ximage->width;	1337	for (int x = 0; x < ximage->width; x++)
1567	for (; p < pl; p++)
1568	{	1338	{
1569	*p = lookup_r[(*p & 0xff0000) >> 16] |	1339	*p = lookup_r[(*p & mask_r) >> sh_r] |
1570	lookup_g[(*p & 0x00ff00) >> 8] |	1340	lookup_g[(*p & mask_g) >> sh_g] |
1571	lookup_b[(*p & 0x0000ff)] |	1341	lookup_b[(*p & mask_b) >> sh_b];
1572	(*p & 0xff000000);	1342	p++;
1573	}	1343	}
1574	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1344	line += ximage->bytes_per_line;
1575	}	1345	}
1576	}	1346	}
1577	else	1347	else
1578	{	1348	{
1579	for (int y = 0; y < ximage->height; y++)	1349	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1357	}
1588	}	1358	}
1589		1359
1590	free (lookup);	1360	free (lookup);
1591	}	1361	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1362	#endif /* ENABLE_TRANSPARENCY */

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