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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.171 by sf-exg, Sun Aug 21 14:38:39 2011 UTC vs.
Revision 1.225 by sf-exg, Wed May 30 21:20:05 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_PROP_SCALE;
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=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	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_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
247	}	234	}
248	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
249	{	236	{
250	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
251	w = windowScale;	238	w = windowScale;
252	h = noScale;	239	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
254	}	241	}
255	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
256	{	243	{
257	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
258	h = windowScale;	245	h = windowScale;
259	w = noScale;	246	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
261	}	248	}
262	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	257	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	259	}
273	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
274	{	261	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	263	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
278	}	265	}
279		266
280	else	267	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	269	} /* done parsing ops */
283		270
284	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
285	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		275
287	if (!update)	276	if (!update)
288	{	277	{
289	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	284	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
297	h = w;	286	h = w;
298	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
299	w = h;	288	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{	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	{
311	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
312	changed = true;	305	changed = true;
313	}	306	}
314		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
315	return changed;	313	return changed;
316	}	314	}
317		315
318	void	316	void
319	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
320	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
321	int target_width = szHint.width;	321	int target_width = szHint.width;
322	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
323		325
324	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
326		328
327	if (bg_flags & BG_PROP_SCALE)	329	if (image.flags & IM_KEEP_ASPECT)
328	{	330	{
329	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
333	}	335	}
334		336
335	if (!w) w = image_width;	337	if (!w) w = image_width;
336	if (!h) h = image_height;	338	if (!h) h = image_height;
337		339
338	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
339	{	341	{
340	x = -target_x;	342	x = -target_x;
341	y = -target_y;	343	y = -target_y;
342	}	344	}
343	else	345	else
344	{	346	{
345	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
347	}
348
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{	349	}
372	ShadingInfo as_shade;	350	}
373	as_shade.shading = shade;
374		351
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	353	bool
377	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
380	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
381		366
382	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
383	}	371	{
384		372	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
386	{	376	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
388	ASA_XImage,	378	{
389	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
390	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
391	{	445	{
392	destroy_asimage (&background);	446	a = pixel[3];
393	background = tmp;	447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
394	}	468	}
395	}
396	# endif
397		469
398	ASImage *result = 0;	470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
399		496
400	int target_width = szHint.width;	497	int target_width = szHint.width;
401	int target_height = szHint.height;	498	int target_height = szHint.height;
402	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
405	int x = 0;	502	int x = 0;
406	int y = 0;	503	int y = 0;
407	int w = 0;	504	int w = 0;
408	int h = 0;	505	int h = 0;
409		506
410	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		508
413	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	510	&& (x >= target_width
416	|| y >= target_height	511	|| y >= target_height
417	|| (x + w <= 0)	512	|| x + w <= 0
418	|| (y + h <= 0))))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
419	{	524	}
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		525
426	if (background_tint != TINT_LEAVE_SAME)	526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
427	{	547	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
429	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}	550	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441		551
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}
450
451	if (background == NULL)
452	{
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None	552	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
547	{	555	{
548	if (bg_pixmap)	556	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
553	}	561	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557		562
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 || dst_y > 0
569	|| dst_x + dst_width < new_pmap_width
570	|| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}
591	# endif /* HAVE_AFTERIMAGE */
592
593	# ifdef HAVE_PIXBUF
594	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	int src_x, int src_y, int dst_x, int dst_y,
597	unsigned int width, unsigned int height)
598	{
599	XImage *ximage;
600	char *data, *line;
601	int bytes_per_pixel;
602	int width_r, width_g, width_b;
603	int sh_r, sh_g, sh_b;
604	int rowstride;
605	int channels;
606	unsigned char *row;
607
608	if (visual->c_class != TrueColor)
609	return false;
610
611	if (depth == 24 || depth == 32)
612	bytes_per_pixel = 4;
613	else if (depth == 15 || depth == 16)
614	bytes_per_pixel = 2;
615	else
616	return false;
617
618	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);
621
622	if (width_r > 8 || width_g > 8 || width_b > 8)
623	return false;
624
625	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);
628
629	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;
631
632	data = (char *)malloc (width * height * bytes_per_pixel);
633	if (!data)
634	return false;
635
636	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
637	width, height, bytes_per_pixel * 8, 0);
638	if (!ximage)
639	{
640	free (data);
641	return false;
642	}
643
644	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
645
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
649	line = data;
650
651	for (int y = 0; y < height; y++)
652	{
653	for (int x = 0; x < width; x++)
654	{
655	unsigned char *pixel = row + x * channels;
656	uint32_t value;
657
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)
659	| ((pixel[1] >> (8 - width_g)) << sh_g)
660	| ((pixel[2] >> (8 - width_b)) << sh_b);
661
662	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;
664	else
665	((uint16_t *)line)[x] = value;
666	}
667
668	row += rowstride;
669	line += ximage->bytes_per_line;
670	}
671
672	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
673	XDestroyImage (ximage);
674	return true;
675	}
676
677	bool
678	rxvt_term::render_image (unsigned long tr_flags)
679	{
680	if (!pixbuf)
681	return false;
682
683	if (tr_flags
684	&& !(bg_flags & BG_HAS_RENDER))
685	return false;
686
687	GdkPixbuf *result;
688
689	int image_width = gdk_pixbuf_get_width (pixbuf);
690	int image_height = gdk_pixbuf_get_height (pixbuf);
691
692	int target_width = szHint.width;
693	int target_height = szHint.height;
694	int new_pmap_width = target_width;
695	int new_pmap_height = target_height;
696
697	int x = 0;
698	int y = 0;
699	int w = 0;
700	int h = 0;
701
702	get_image_geometry (image_width, image_height, w, h, x, y);
703
704	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width
706	|| y >= target_height
707	|| (x + w <= 0)
708	|| (y + h <= 0)))
709	return false;
710
711	result = pixbuf;
712
713	if ((w != image_width)
714	|| (h != image_height))
715	{
716	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,
718	GDK_INTERP_BILINEAR);
719	}
720
721	if (!result)
722	return false;
723
724	bool ret = false;
725
726	XGCValues gcv;
727	GC gc;
728	Pixmap root_pmap;
729
730	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);
732
733	if (tr_flags)
734	{
735	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;
737	}
738	else
739	{
740	if (bg_flags & BG_TILE)
741	{
742	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);
744	}
745	}
746
747	if (bg_pixmap == None
748	|| bg_pmap_width != new_pmap_width
749	|| bg_pmap_height != new_pmap_height)
750	{
751	if (bg_pixmap)
752	XFreePixmap (dpy, bg_pixmap);
753	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
754	bg_pmap_width = new_pmap_width;
755	bg_pmap_height = new_pmap_height;
756	}	564	}
757		565
758	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		568
761	if (gc)	569	if (gc)
762	{	570	{
763	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
764	{	572	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	575	0, 0,
768	0, 0,	576	0, 0,
769	image_width, image_height);	577	image_width, image_height, need_blend);
770		578
771	gcv.tile = tile;	579	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		584
777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
778	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
779	}	587	}
780	else	588	else
781	{	589	{
782	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787		595
788	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
792		600
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	603	src_x, src_y,
796	dst_x, dst_y,	604	dst_x, dst_y,
797	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
798	}	606	}
799		607
800	#if XRENDER	608	#if XRENDER
801	if (tr_flags)	609	if (need_blend)
802	{	610	{
803	XRenderPictureAttributes pa;	611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		613
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		615
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		617
811	pa.repeat = True;	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		619
817	XRenderColor mask_c;	620	XRenderColor mask_c;
818		621
819	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
820	mask_c.red = 0;	623	mask_c.red =
821	mask_c.green = 0;	624	mask_c.green =
822	mask_c.blue = 0;	625	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
824	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
825		629
826	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
835	}	639	}
836		640
837	if (result != pixbuf)	641	if (result != pixbuf)
838	g_object_unref (result);	642	g_object_unref (result);
839		643
840	if (tr_flags)	644	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
842		646
843	return ret;	647	return ret;
844	}	648	}
845	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
846		650
		651	# ifndef NO_RESOURCES
		652	static int
		653	rxvt_define_image (XrmDatabase *database ecb_unused,
		654	XrmBindingList bindings ecb_unused,
		655	XrmQuarkList quarks,
		656	XrmRepresentation *type ecb_unused,
		657	XrmValue *value,
		658	XPointer closure ecb_unused)
		659	{
		660	int size;
		661
		662	for (size = 0; quarks[size] != NULLQUARK; size++)
		663	;
		664
		665	if (size >= 2)
		666	{
		667	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		668	if (id >= 1)
		669	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		670	}
		671	return False;
		672	}
		673
		674	void
		675	rxvt_term::parse_image (int id, const char *type, const char *arg)
		676	{
		677	if (image_vec.size () < id + 1)
		678	image_vec.resize (id + 1);
		679
		680	rxvt_image *image = &image_vec[id];
		681	}
		682	# endif
		683
		684	rxvt_image::rxvt_image ()
		685	{
		686	alpha = 0xffff;
		687	flags = 0;
		688	h_scale =
		689	v_scale = defaultScale;
		690	h_align =
		691	v_align = defaultAlign;
		692
		693	# ifdef HAVE_PIXBUF
		694	pixbuf = 0;
		695	# endif
		696	}
		697
847	bool	698	bool
848	rxvt_term::bg_set_file (const char *file)	699	rxvt_image::set_file_geometry (const char *file)
849	{	700	{
850	if (!file || !*file)	701	if (!file || !*file)
851	return false;	702	return false;
852		703
853	bool ret = false;
854	const char *p = strchr (file, ';');	704	const char *p = strchr (file, ';');
855		705
856	if (p)	706	if (p)
857	{	707	{
858	size_t len = p - file;	708	size_t len = p - file;
…		…
860	memcpy (f, file, len);	710	memcpy (f, file, len);
861	f[len] = '\0';	711	f[len] = '\0';
862	file = f;	712	file = f;
863	}	713	}
864		714
865	# ifdef HAVE_AFTERIMAGE	715	bool ret = set_file (file);
866	if (!asimman)	716	alpha = 0x8000;
867	asimman = create_generic_imageman (rs[Rs_path]);	717	if (ret)
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	718	set_geometry (p ? p + 1 : "");
869	if (image)	719	return ret;
870	{	720	}
871	if (original_asim)	721
872	safe_asimage_destroy (original_asim);	722	bool
873	original_asim = image;	723	rxvt_image::set_file (const char *file)
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	724	{
875	ret = true;	725	bool ret = false;
876	}
877	# endif
878		726
879	# ifdef HAVE_PIXBUF	727	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	728	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	729	if (image)
882	{	730	{
883	if (pixbuf)	731	if (pixbuf)
884	g_object_unref (pixbuf);	732	g_object_unref (pixbuf);
885	pixbuf = image;	733	pixbuf = image;
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	734	ret = true;
888	}	735	}
889	# endif	736	# endif
890		737
891	if (ret)	738	if (ret)
892	{	739	flags |= IM_IS_SET;
893	if (p)
894	bg_set_geometry (p + 1);
895	else
896	bg_set_default_geometry ();
897	}
898		740
899	return ret;	741	return ret;
900	}	742	}
901		743
902	# endif /* BG_IMAGE_FROM_FILE */	744	# endif /* BG_IMAGE_FROM_FILE */
903		745
904	# ifdef ENABLE_TRANSPARENCY	746	# ifdef ENABLE_TRANSPARENCY
905	bool
906	rxvt_term::bg_set_transparent ()
907	{
908	if (!(bg_flags & BG_IS_TRANSPARENT))
909	{
910	bg_flags |= BG_IS_TRANSPARENT;
911	return true;
912	}
913
914	return false;
915	}
916
917	bool	747	bool
918	rxvt_term::bg_set_blur (const char *geom)	748	rxvt_term::bg_set_blur (const char *geom)
919	{	749	{
920	bool changed = false;	750	bool changed = false;
921	unsigned int hr, vr;	751	unsigned int hr, vr;
…		…
940	{	770	{
941	changed = true;	771	changed = true;
942	v_blurRadius = vr;	772	v_blurRadius = vr;
943	}	773	}
944		774
945	if (v_blurRadius == 0 && h_blurRadius == 0)
946	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags |= BG_NEEDS_BLUR;
949
950	return changed;	775	return changed;
951	}	776	}
952		777
953	void	778	bool
954	rxvt_term::set_tint_shade_flags ()	779	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	780	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	781	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	782	{
958		783	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	784	bg_flags |= BG_TINT_SET;
960		785
961	if (bg_flags & BG_TINT_SET)	786	rgba c;
962	{
963	tint.get (c);	787	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	788	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	789	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	790	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	791	bg_flags |= BG_TINT_BITAND;
969	}	792	else
970
971	if (has_shade || (bg_flags & BG_TINT_SET))
972	bg_flags |= BG_NEEDS_TINT;
973	}
974
975	bool
976	rxvt_term::bg_set_tint (rxvt_color &new_tint)
977	{
978	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
979	{
980	tint = new_tint;
981	bg_flags |= BG_TINT_SET;	793	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	794
983	return true;	795	return true;
984	}	796	}
985		797
986	return false;	798	return false;
987	}	799	}
988		800
989	bool	801	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	802	rxvt_term::bg_set_shade (const char *shade_str)
991	{	803	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	804	int new_shade = atoi (shade_str);
993		805
994	clamp_it (new_shade, -100, 200);	806	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	807	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	808	new_shade = 200 - (100 + new_shade);
997		809
998	if (new_shade != shade)	810	if (new_shade != shade)
999	{	811	{
1000	shade = new_shade;	812	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	813	return true;
1003	}	814	}
1004		815
1005	return false;	816	return false;
1006	}	817	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	838	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	839	}
1029	#endif	840	#endif
1030		841
1031	bool	842	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	844	{
1034	bool ret = false;	845	bool ret = false;
1035	#if XRENDER	846	#if XRENDER
		847	if (!(bg_flags & BG_HAS_RENDER_CONV))
		848	return false;
		849
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	850	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	851	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	852	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		853
1040	XRenderPictureAttributes pa;	854	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	855	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		856
		857	pa.repeat = RepeatPad;
1043	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	858	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		859	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	860	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		861	XFreePixmap (dpy, tmp);
1045		862
1046	if (kernel && params)	863	if (kernel && params)
1047	{	864	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	865	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	866	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		867
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	868	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	869	XRenderComposite (dpy,
1055	PictOpSrc,	870	PictOpSrc,
1056	src,	871	src,
1057	None,	872	None,
1058	dst,	873	dst,
1059	0, 0,	874	0, 0,
1060	0, 0,	875	0, 0,
1061	0, 0,	876	0, 0,
1062	width, height);	877	width, height);
1063	}
1064		878
1065	if (v_blurRadius)	879	::swap (src, dst);
1066	{	880
1067	size = v_blurRadius * 2 + 1;	881	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	882	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	883	::swap (params[0], params[1]);
1070		884
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	885	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	886	XRenderComposite (dpy,
1073	PictOpSrc,	887	PictOpSrc,
1074	src,	888	src,
1075	None,	889	None,
1076	dst,	890	dst,
1077	0, 0,	891	0, 0,
1078	0, 0,	892	0, 0,
1079	0, 0,	893	0, 0,
1080	width, height);	894	width, height);
1081	}
1082		895
1083	ret = true;	896	ret = true;
1084	}	897	}
1085		898
1086	free (kernel);	899	free (kernel);
…		…
1090	#endif	903	#endif
1091	return ret;	904	return ret;
1092	}	905	}
1093		906
1094	bool	907	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	908	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	909	{
1097	bool ret = false;	910	bool ret = false;
1098		911
1099	if (bg_flags & BG_TINT_BITAND)	912	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	913	{
1101	XGCValues gcv;	914	XGCValues gcv;
1102	GC gc;	915	GC gc;
1103		916
1104	/* In this case we can tint image server-side getting significant	917	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	926	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	927	ret = true;
1115	XFreeGC (dpy, gc);	928	XFreeGC (dpy, gc);
1116	}	929	}
1117	}	930	}
1118	else
1119	{
1120	# if XRENDER	931	# if XRENDER
		932	else if (bg_flags & BG_HAS_RENDER)
		933	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	934	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		935
1123	if (bg_flags & BG_TINT_SET)	936	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	937	tint.get (c);
1125		938
…		…
1134	c.r = c.r * (200 - shade) / 100;	947	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	948	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	949	c.b = c.b * (200 - shade) / 100;
1137	}	950	}
1138		951
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	952	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		953
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		955
1145	pa.repeat = True;	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		957
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149	XFreePixmap (dpy, overlay_pmap);
1150
1151	pa.component_alpha = True;
1152	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1154	XFreePixmap (dpy, mask_pmap);
1155		959
1156	XRenderColor mask_c;	960	XRenderColor mask_c;
1157		961
1158	mask_c.alpha = 0xffff;	962	mask_c.alpha = 0xffff;
1159	mask_c.red =	963	mask_c.red =
…		…
1164	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1169	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1170		975
1171	if (shade > 100)	976	if (shade > 100)
1172	{	977	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		983
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178	}	985	}
1179		986
1180	ret = true;	987	ret = true;
1181		988
1182	XRenderFreePicture (dpy, mask_pic);	989	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	990	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	991	XRenderFreePicture (dpy, back_pic);
		992	}
1185	# endif	993	# endif
1186	}
1187		994
1188	return ret;	995	return ret;
1189	}	996	}
1190		997
1191	/*	998	/*
1192	* Builds a pixmap of the same size as the terminal window that contains	999	* Builds a pixmap of the same size as the terminal window that contains
1193	* the tiled portion of the root pixmap that is supposed to be covered by	1000	* the tiled portion of the root pixmap that is supposed to be covered by
1194	* our window.	1001	* our window.
1195	*/	1002	*/
1196	unsigned long	1003	bool
1197	rxvt_term::make_transparency_pixmap ()	1004	rxvt_term::make_transparency_pixmap ()
1198	{	1005	{
1199	unsigned long result = 0;	1006	bool ret = false;
1200		1007
1201	/* root dimensions may change from call to call - but Display structure should	1008	/* root dimensions may change from call to call - but Display structure should
1202	* be always up-to-date, so let's use it :	1009	* be always up-to-date, so let's use it :
1203	*/	1010	*/
1204	int screen = display->screen;	1011	int screen = display->screen;
…		…
1242	#if XRENDER	1049	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	1050	if (bg_flags & BG_HAS_RENDER)
1244	{	1051	{
1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1052	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246		1053
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1054	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1055	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		1056
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1057	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1058	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1059
1255	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1060	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1256		1061
1257	XRenderFreePicture (dpy, src);	1062	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1063	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1080	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1081	bg_pmap_height = window_height;
1277	}	1082	}
1278		1083
1279	/* straightforward pixmap copy */	1084	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1085	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1086	while (sy < 0) sy += root_pmap_height;
1282		1087
1283	gcv.tile = recoded_root_pmap;	1088	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1089	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1090	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1091	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1092	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1093
1289	if (gc)	1094	if (gc)
1290	{	1095	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1096	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1097	ret = true;
1293	XFreeGC (dpy, gc);	1098	bool need_blur = h_blurRadius && v_blurRadius;
		1099	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1294		1100
1295	if (!(bg_flags & BG_CLIENT_RENDER))	1101	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{	1102	{
1297	if ((bg_flags & BG_NEEDS_BLUR)	1103	if (need_blur)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{	1104	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1105	if (blur_pixmap (bg_pixmap, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;	1106	need_blur = false;
1302	}	1107	}
1303	if ((bg_flags & BG_NEEDS_TINT)	1108	if (need_tint)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{	1109	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1110	if (tint_pixmap (bg_pixmap, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;	1111	need_tint = false;
		1112	}
		1113	if (need_tint)
		1114	{
		1115	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1116	if (ximage)
		1117	{
		1118	/* our own client-side tinting */
		1119	tint_ximage (ximage);
		1120
		1121	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1122	XDestroyImage (ximage);
		1123	}
1308	}	1124	}
1309	} /* server side rendering completed */	1125	} /* server side rendering completed */
		1126
		1127	XFreeGC (dpy, gc);
1310	}	1128	}
1311		1129
1312	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1314		1132
1315	return result;	1133	return ret;
1316	}	1134	}
1317		1135
1318	void	1136	void
1319	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1320	{	1138	{
…		…
1324		1142
1325	root_pixmap = new_root_pixmap;	1143	root_pixmap = new_root_pixmap;
1326	}	1144	}
1327	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1328		1146
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1331	# endif
1332
1333	bool	1147	bool
1334	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1335	{	1149	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();	1150	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1153	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1155	if (make_transparency_pixmap ())
1344	if (tr_flags == 0)
1345	return false;
1346	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1347	}	1157	}
1348	# endif	1158	# endif
1349		1159
1350	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1351	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1352	|| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1162	{
1354	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1355	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1356	}
1357	# endif
1358
1359	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1360	XImage *result = NULL;
1361
1362	if (tr_flags & BG_NEEDS_TINT)
1363	{
1364	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1365	}
1366
1367	if (result)
1368	{
1369	/* our own client-side tinting */
1370	//if (tr_flags & BG_NEEDS_TINT)
1371	if (1)
1372	{
1373	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374	if (bg_flags & BG_TINT_SET)
1375	tint.get (c);
1376	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377	}
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	}
1387
1388	XDestroyImage (result);
1389	}	1165	}
1390	# endif	1166	# endif
1391		1167
1392	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
1393	{	1169	{
…		…
1426	bg_flags |= BG_HAS_RENDER_CONV;	1202	bg_flags |= BG_HAS_RENDER_CONV;
1427		1203
1428	XFree (filters);	1204	XFree (filters);
1429	}	1205	}
1430	#endif	1206	#endif
		1207
		1208	#ifdef BG_IMAGE_FROM_FILE
		1209	if (rs[Rs_backgroundPixmap])
		1210	{
		1211	rxvt_image *image = new_image ();
		1212	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1213	image_vec.pop_back ();
		1214	}
		1215
		1216	# ifndef NO_RESOURCES
		1217	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1218	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1219	while (bg_image != image_vec.end ())
		1220	{
		1221	if (!(bg_image->flags & IM_IS_SET))
		1222	bg_image = image_vec.erase (bg_image);
		1223	else
		1224	{
		1225	if (bg_image->is_size_sensitive ())
		1226	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1227
		1228	bg_image++;
		1229	}
		1230	}
		1231	# endif
		1232
		1233	if (image_vec.size () > 0
		1234	&& !bg_window_position_sensitive ())
		1235	update_background ();
		1236	#endif
1431	}	1237	}
1432		1238
1433	#endif /* HAVE_BG_PIXMAP */	1239	#endif /* HAVE_BG_PIXMAP */
1434		1240
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1241	#ifdef ENABLE_TRANSPARENCY
1436	/* based on code from aterm-0.4.2 */	1242	/* based on code from aterm-0.4.2 */
1437		1243
1438	static void	1244	static inline void
1439	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1245	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1440	{	1246	{
		1247	for (int i = 0; i <= mask >> sh; i++)
		1248	{
		1249	uint32_t tmp;
		1250	tmp = i * high;
		1251	tmp += (mask >> sh) * low;
		1252	lookup[i] = (tmp / 0xffff) << sh;
		1253	}
		1254	}
		1255
		1256	void
		1257	rxvt_term::tint_ximage (XImage *ximage)
		1258	{
		1259	unsigned int size_r, size_g, size_b;
1441	int sh_r, sh_g, sh_b;	1260	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1261	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1262	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	rgba low;	1263	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1264	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1265
1449	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1266	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450		1267
1451	/* for convenience */	1268	/* for convenience */
1452	mask_r = visual->red_mask;	1269	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1270	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1271	mask_b = visual->blue_mask;
1455		1272
1456	/* boring lookup table pre-initialization */	1273	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1274	sh_r = ecb_ctz32 (mask_r);
1458	{	1275	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1276	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) ||	1277
1461	(mask_g != 0x03e0) ||	1278	size_r = mask_r >> sh_r;
1462	(mask_b != 0x001f))	1279	size_g = mask_g >> sh_g;
		1280	size_b = mask_b >> sh_b;
		1281
		1282	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1463	return;	1283	return;
1464	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1284
		1285	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1465	lookup_r = lookup;	1286	lookup_r = lookup;
1466	lookup_g = lookup+32;	1287	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1288	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;	1289
1469	sh_g = 5;	1290	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1470	sh_b = 0;	1291
1471	break;	1292	if (bg_flags & BG_TINT_SET)
1472	case 16:	1293	tint.get (c);
1473	if ((mask_r != 0xf800) ||
1474	(mask_g != 0x07e0) ||
1475	(mask_b != 0x001f))
1476	return;
1477	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1478	lookup_r = lookup;
1479	lookup_g = lookup+32;
1480	lookup_b = lookup+32+64;
1481	sh_r = 11;
1482	sh_g = 5;
1483	sh_b = 0;
1484	break;
1485	case 24:
1486	if ((mask_r != 0xff0000) ||
1487	(mask_g != 0x00ff00) ||
1488	(mask_b != 0x0000ff))
1489	return;
1490	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1491	lookup_r = lookup;
1492	lookup_g = lookup+256;
1493	lookup_b = lookup+256+256;
1494	sh_r = 16;
1495	sh_g = 8;
1496	sh_b = 0;
1497	break;
1498	case 32:
1499	if ((mask_r != 0xff0000) ||
1500	(mask_g != 0x00ff00) ||
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	default:
1512	return; /* we do not support this color depth */
1513	}
1514		1294
1515	/* prepare limits for color transformation (each channel is handled separately) */	1295	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1296	if (shade > 100)
1517	{	1297	{
1518	shade = 200 - shade;
1519
1520	high.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;
1523
1524	low.r = 65535 * (100 - shade) / 100;	1298	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1299	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1300	c.b = c.b * (200 - shade) / 100;
		1301
		1302	low = 0xffff * (shade - 100) / 100;
1527	}	1303	}
1528	else	1304	else
1529	{	1305	{
1530	high.r = c.r * shade / 100;	1306	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1307	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1308	c.b = c.b * shade / 100;
1533		1309
1534	low.r = low.g = low.b = 0;	1310	low = 0;
1535	}	1311	}
1536		1312
1537	/* fill our lookup tables */	1313	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1314	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1315	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1316	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1541	tmp = i * high.r;
1542	tmp += (mask_r>>sh_r) * low.r;
1543	lookup_r[i] = (tmp/65535)<<sh_r;
1544	}
1545	for (i = 0; i <= mask_g>>sh_g; i++)
1546	{
1547	uint32_t tmp;
1548	tmp = i * high.g;
1549	tmp += (mask_g>>sh_g) * low.g;
1550	lookup_g[i] = (tmp/65535)<<sh_g;
1551	}
1552	for (i = 0; i <= mask_b>>sh_b; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.b;
1556	tmp += (mask_b>>sh_b) * low.b;
1557	lookup_b[i] = (tmp/65535)<<sh_b;
1558	}
1559		1317
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1318	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1319	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 || ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1320	&& ximage->byte_order == host_byte_order)
1564	{	1321	{
1565	uint32_t *p1, *pf, *p, *pl;	1322	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1568		1323
1569	while (p1 < pf)	1324	for (int y = 0; y < ximage->height; y++)
1570	{	1325	{
1571	p = p1;	1326	uint32_t *p = (uint32_t *)line;
1572	pl = p1 + ximage->width;	1327	for (int x = 0; x < ximage->width; x++)
1573	for (; p < pl; p++)
1574	{	1328	{
1575	*p = lookup_r[(*p & 0xff0000) >> 16] |	1329	*p = lookup_r[(*p & mask_r) >> sh_r] |
1576	lookup_g[(*p & 0x00ff00) >> 8] |	1330	lookup_g[(*p & mask_g) >> sh_g] |
1577	lookup_b[(*p & 0x0000ff)] |	1331	lookup_b[(*p & mask_b) >> sh_b];
1578	(*p & 0xff000000);	1332	p++;
1579	}	1333	}
1580	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1334	line += ximage->bytes_per_line;
1581	}	1335	}
1582	}	1336	}
1583	else	1337	else
1584	{	1338	{
1585	for (int y = 0; y < ximage->height; y++)	1339	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1347	}
1594	}	1348	}
1595		1349
1596	free (lookup);	1350	free (lookup);
1597	}	1351	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1352	#endif /* ENABLE_TRANSPARENCY */

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