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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.175 by sf-exg, Mon Dec 5 18:17:17 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_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 (!(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
315	return changed;	315	return changed;
316	}	316	}
317		317
318	void	318	void
319	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)
320	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
321	int target_width = szHint.width;	323	int target_width = szHint.width;
322	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);
323		327
324	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
326		330
327	if (bg_flags & BG_PROP_SCALE)	331	if (image.flags & IM_KEEP_ASPECT)
328	{	332	{
329	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
333	}	337	}
334		338
335	if (!w) w = image_width;	339	if (!w) w = image_width;
336	if (!h) h = image_height;	340	if (!h) h = image_height;
337		341
338	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
339	{	343	{
340	x = -target_x;	344	x = -target_x;
341	y = -target_y;	345	y = -target_y;
342	}	346	}
343	else	347	else
344	{	348	{
345	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	350	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	{	351	}
372	ShadingInfo as_shade;	352	}
373	as_shade.shading = shade;
374		353
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	355	bool
377	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
380	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;
381		368
382	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
383	}	373	{
384		374	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
386	{	378	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
388	ASA_XImage,	380	{
389	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);
390	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)
391	{	447	{
392	destroy_asimage (&background);	448	a = pixel[3];
393	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);
394	}	470	}
395	}
396	# endif
397		471
398	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);
399		498
400	int target_width = szHint.width;	499	int target_width = szHint.width;
401	int target_height = szHint.height;	500	int target_height = szHint.height;
402	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
405	int x = 0;	504	int x = 0;
406	int y = 0;	505	int y = 0;
407	int w = 0;	506	int w = 0;
408	int h = 0;	507	int h = 0;
409		508
410	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		510
413	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	512	&& (x >= target_width
416	|| y >= target_height	513	|| y >= target_height
417	|| x + w <= 0	514	|| x + w <= 0
418	|| 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);
419	{	526	}
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		527
426	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)
427	{	549	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
429	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}	552	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441		553
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	554	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
547	{	557	{
548	if (bg_pixmap)	558	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
550	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);
551	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
553	}	563	}
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		564
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;	565	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	}	566	}
757		567
758	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		570
761	if (gc)	571	if (gc)
762	{	572	{
763	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
764	{	574	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	577	0, 0,
768	0, 0,	578	0, 0,
769	image_width, image_height);	579	image_width, image_height, need_blend);
770		580
771	gcv.tile = tile;	581	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		586
777	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);
778	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
779	}	589	}
780	else	590	else
781	{	591	{
782	int src_x, src_y, dst_x, dst_y;	592	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);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787		597
788	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
791	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);
792		602
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	605	src_x, src_y,
796	dst_x, dst_y,	606	dst_x, dst_y,
797	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
798	}	608	}
799		609
800	#if XRENDER	610	#if XRENDER
801	if (tr_flags)	611	if (need_blend)
802	{	612	{
803	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		617
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		619
811	pa.repeat = True;	620	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		621
817	XRenderColor mask_c;	622	XRenderColor mask_c;
818		623
819	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
820	mask_c.red = 0;	625	mask_c.red =
821	mask_c.green = 0;	626	mask_c.green =
822	mask_c.blue = 0;	627	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
824	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);
825		631
826	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
835	}	641	}
836		642
837	if (result != pixbuf)	643	if (result != pixbuf)
838	g_object_unref (result);	644	g_object_unref (result);
839		645
840	if (tr_flags)	646	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
842		648
843	return ret;	649	return ret;
844	}	650	}
845	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
846		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
847	bool	708	bool
848	rxvt_term::bg_set_file (const char *file)	709	rxvt_image::set_file_geometry (const char *file)
849	{	710	{
850	if (!file || !*file)	711	if (!file || !*file)
851	return false;	712	return false;
852		713
853	bool ret = false;
854	const char *p = strchr (file, ';');	714	const char *p = strchr (file, ';');
855		715
856	if (p)	716	if (p)
857	{	717	{
858	size_t len = p - file;	718	size_t len = p - file;
…		…
860	memcpy (f, file, len);	720	memcpy (f, file, len);
861	f[len] = '\0';	721	f[len] = '\0';
862	file = f;	722	file = f;
863	}	723	}
864		724
865	# ifdef HAVE_AFTERIMAGE	725	bool ret = set_file (file);
866	if (!asimman)	726	alpha = 0x8000;
867	asimman = create_generic_imageman (rs[Rs_path]);	727	if (ret && p)
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	728	set_geometry (p + 1);
869	if (image)	729	return ret;
870	{	730	}
871	if (original_asim)	731
872	safe_asimage_destroy (original_asim);	732	bool
873	original_asim = image;	733	rxvt_image::set_file (const char *file)
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	734	{
875	ret = true;	735	bool ret = false;
876	}
877	# endif
878		736
879	# ifdef HAVE_PIXBUF	737	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	738	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	739	if (image)
882	{	740	{
883	if (pixbuf)	741	if (pixbuf)
884	g_object_unref (pixbuf);	742	g_object_unref (pixbuf);
885	pixbuf = image;	743	pixbuf = image;
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	744	ret = true;
888	}	745	}
889	# endif	746	# endif
890		747
891	if (ret)	748	if (ret)
892	{	749	{
893	if (p)	750	alpha = 0xffff;
894	bg_set_geometry (p + 1);	751	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
895	else	752	h_scale = v_scale = defaultScale;
896	bg_set_default_geometry ();	753	h_align = v_align = defaultAlign;
897	}	754	}
898		755
899	return ret;	756	return ret;
900	}	757	}
901		758
902	# endif /* BG_IMAGE_FROM_FILE */	759	# endif /* BG_IMAGE_FROM_FILE */
903		760
904	# ifdef ENABLE_TRANSPARENCY	761	# 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	762	bool
918	rxvt_term::bg_set_blur (const char *geom)	763	rxvt_term::bg_set_blur (const char *geom)
919	{	764	{
920	bool changed = false;	765	bool changed = false;
921	unsigned int hr, vr;	766	unsigned int hr, vr;
…		…
940	{	785	{
941	changed = true;	786	changed = true;
942	v_blurRadius = vr;	787	v_blurRadius = vr;
943	}	788	}
944		789
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;	790	return changed;
951	}	791	}
952		792
953	void	793	bool
954	rxvt_term::set_tint_shade_flags ()	794	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	795	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	796	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	797	{
958		798	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	799	bg_flags |= BG_TINT_SET;
960		800
961	if (bg_flags & BG_TINT_SET)	801	rgba c;
962	{
963	tint.get (c);	802	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	803	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	804	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	805	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	806	bg_flags |= BG_TINT_BITAND;
969	}	807	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;	808	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	809
983	return true;	810	return true;
984	}	811	}
985		812
986	return false;	813	return false;
987	}	814	}
988		815
989	bool	816	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	817	rxvt_term::bg_set_shade (const char *shade_str)
991	{	818	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	819	int new_shade = atoi (shade_str);
993		820
994	clamp_it (new_shade, -100, 200);	821	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	822	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	823	new_shade = 200 - (100 + new_shade);
997		824
998	if (new_shade != shade)	825	if (new_shade != shade)
999	{	826	{
1000	shade = new_shade;	827	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	828	return true;
1003	}	829	}
1004		830
1005	return false;	831	return false;
1006	}	832	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	853	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	854	}
1029	#endif	855	#endif
1030		856
1031	bool	857	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	858	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	859	{
1034	bool ret = false;	860	bool ret = false;
1035	#if XRENDER	861	#if XRENDER
		862	if (!(bg_flags & BG_HAS_RENDER_CONV))
		863	return false;
		864
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	865	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	866	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	867	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		868
1040	XRenderPictureAttributes pa;	869	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	870	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		871
		872	pa.repeat = RepeatPad;
1043	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);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	875	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		876	XFreePixmap (dpy, tmp);
1045		877
1046	if (kernel && params)	878	if (kernel && params)
1047	{	879	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	880	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	881	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		882
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	883	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	884	XRenderComposite (dpy,
1055	PictOpSrc,	885	PictOpSrc,
1056	src,	886	src,
1057	None,	887	None,
1058	dst,	888	dst,
1059	0, 0,	889	0, 0,
1060	0, 0,	890	0, 0,
1061	0, 0,	891	0, 0,
1062	width, height);	892	width, height);
1063	}
1064		893
1065	if (v_blurRadius)	894	::swap (src, dst);
1066	{	895
1067	size = v_blurRadius * 2 + 1;	896	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	897	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	898	::swap (params[0], params[1]);
1070		899
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	900	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	901	XRenderComposite (dpy,
1073	PictOpSrc,	902	PictOpSrc,
1074	src,	903	src,
1075	None,	904	None,
1076	dst,	905	dst,
1077	0, 0,	906	0, 0,
1078	0, 0,	907	0, 0,
1079	0, 0,	908	0, 0,
1080	width, height);	909	width, height);
1081	}
1082		910
1083	ret = true;	911	ret = true;
1084	}	912	}
1085		913
1086	free (kernel);	914	free (kernel);
…		…
1090	#endif	918	#endif
1091	return ret;	919	return ret;
1092	}	920	}
1093		921
1094	bool	922	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	923	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	924	{
1097	bool ret = false;	925	bool ret = false;
1098		926
1099	if (bg_flags & BG_TINT_BITAND)	927	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	928	{
1101	XGCValues gcv;	929	XGCValues gcv;
1102	GC gc;	930	GC gc;
1103		931
1104	/* In this case we can tint image server-side getting significant	932	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	941	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	942	ret = true;
1115	XFreeGC (dpy, gc);	943	XFreeGC (dpy, gc);
1116	}	944	}
1117	}	945	}
1118	else
1119	{
1120	# if XRENDER	946	# if XRENDER
		947	else if (bg_flags & BG_HAS_RENDER)
		948	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	949	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		950
1123	if (bg_flags & BG_TINT_SET)	951	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	952	tint.get (c);
1125		953
…		…
1134	c.r = c.r * (200 - shade) / 100;	962	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	963	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	964	c.b = c.b * (200 - shade) / 100;
1137	}	965	}
1138		966
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	967	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		968
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	969	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		970
1145	pa.repeat = True;	971	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		972
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	973	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		974
1156	XRenderColor mask_c;	975	XRenderColor mask_c;
1157		976
1158	mask_c.alpha = 0xffff;	977	mask_c.alpha = 0xffff;
1159	mask_c.red =	978	mask_c.red =
…		…
1164	mask_c.alpha = 0;	983	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	984	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	985	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	986	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	987	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		988
1169	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);
1170		990
1171	if (shade > 100)	991	if (shade > 100)
1172	{	992	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	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;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	997	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		998
1177	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);
1178	}	1000	}
1179		1001
1180	ret = true;	1002	ret = true;
1181		1003
1182	XRenderFreePicture (dpy, mask_pic);	1004	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	1005	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	1006	XRenderFreePicture (dpy, back_pic);
		1007	}
1185	# endif	1008	# endif
1186	}
1187		1009
1188	return ret;	1010	return ret;
1189	}	1011	}
1190		1012
1191	/*	1013	/*
1192	* 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
1193	* 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
1194	* our window.	1016	* our window.
1195	*/	1017	*/
1196	unsigned long	1018	bool
1197	rxvt_term::make_transparency_pixmap ()	1019	rxvt_term::make_transparency_pixmap ()
1198	{	1020	{
1199	unsigned long result = 0;	1021	bool ret = false;
1200		1022
1201	/* 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
1202	* be always up-to-date, so let's use it :	1024	* be always up-to-date, so let's use it :
1203	*/	1025	*/
1204	int screen = display->screen;	1026	int screen = display->screen;
…		…
1242	#if XRENDER	1064	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	1065	if (bg_flags & BG_HAS_RENDER)
1244	{	1066	{
1245	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);
1246		1068
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1069	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1070	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		1071
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1072	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1073	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1074
1255	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);
1256		1076
1257	XRenderFreePicture (dpy, src);	1077	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1078	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1095	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1096	bg_pmap_height = window_height;
1277	}	1097	}
1278		1098
1279	/* straightforward pixmap copy */	1099	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1100	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1101	while (sy < 0) sy += root_pmap_height;
1282		1102
1283	gcv.tile = recoded_root_pmap;	1103	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1104	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1105	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1106	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1107	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1108
1289	if (gc)	1109	if (gc)
1290	{	1110	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1111	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1112	ret = true;
1293	XFreeGC (dpy, gc);	1113	bool need_blur = h_blurRadius && v_blurRadius;
		1114	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1294		1115
1295	if (!(bg_flags & BG_CLIENT_RENDER))	1116	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{	1117	{
1297	if ((bg_flags & BG_NEEDS_BLUR)	1118	if (need_blur)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{	1119	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (blur_pixmap (bg_pixmap, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;	1121	need_blur = false;
1302	}	1122	}
1303	if ((bg_flags & BG_NEEDS_TINT)	1123	if (need_tint)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{	1124	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1125	if (tint_pixmap (bg_pixmap, window_width, window_height))
1307	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	}
1308	}	1139	}
1309	} /* server side rendering completed */	1140	} /* server side rendering completed */
		1141
		1142	XFreeGC (dpy, gc);
1310	}	1143	}
1311		1144
1312	if (recoded_root_pmap != root_pixmap)	1145	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1146	XFreePixmap (dpy, recoded_root_pmap);
1314		1147
1315	return result;	1148	return ret;
1316	}	1149	}
1317		1150
1318	void	1151	void
1319	rxvt_term::bg_set_root_pixmap ()	1152	rxvt_term::bg_set_root_pixmap ()
1320	{	1153	{
…		…
1324		1157
1325	root_pixmap = new_root_pixmap;	1158	root_pixmap = new_root_pixmap;
1326	}	1159	}
1327	# endif /* ENABLE_TRANSPARENCY */	1160	# endif /* ENABLE_TRANSPARENCY */
1328		1161
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	1162	bool
1334	rxvt_term::bg_render ()	1163	rxvt_term::bg_render ()
1335	{	1164	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();	1165	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1166	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1167	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1168	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1169	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1170	if (make_transparency_pixmap ())
1344	if (tr_flags == 0)
1345	return false;
1346	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1347	}	1172	}
1348	# endif	1173	# endif
1349		1174
1350	# ifdef BG_IMAGE_FROM_FILE	1175	# ifdef BG_IMAGE_FROM_FILE
1351	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++)
1352	|| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1177	{
1354	if (render_image (tr_flags))	1178	if (render_image (*bg_image))
1355	bg_flags |= BG_IS_VALID;	1179	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	}	1180	}
1390	# endif	1181	# endif
1391		1182
1392	if (!(bg_flags & BG_IS_VALID))	1183	if (!(bg_flags & BG_IS_VALID))
1393	{	1184	{
…		…
1426	bg_flags |= BG_HAS_RENDER_CONV;	1217	bg_flags |= BG_HAS_RENDER_CONV;
1427		1218
1428	XFree (filters);	1219	XFree (filters);
1429	}	1220	}
1430	#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
1431	}	1247	}
1432		1248
1433	#endif /* HAVE_BG_PIXMAP */	1249	#endif /* HAVE_BG_PIXMAP */
1434		1250
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1251	#ifdef ENABLE_TRANSPARENCY
1436	/* based on code from aterm-0.4.2 */	1252	/* based on code from aterm-0.4.2 */
1437		1253
1438	static void	1254	static inline void
1439	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1255	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1440	{	1256	{
		1257	for (int i = 0; i <= mask >> sh; i++)
		1258	{
		1259	uint32_t tmp;
		1260	tmp = i * high;
		1261	tmp += (mask >> sh) * low;
		1262	lookup[i] = (tmp / 0xffff) << sh;
		1263	}
		1264	}
		1265
		1266	void
		1267	rxvt_term::tint_ximage (XImage *ximage)
		1268	{
		1269	unsigned int size_r, size_g, size_b;
1441	int sh_r, sh_g, sh_b;	1270	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1271	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1272	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	rgba low;	1273	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1274	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1275
1449	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1276	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450		1277
1451	/* for convenience */	1278	/* for convenience */
1452	mask_r = visual->red_mask;	1279	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1280	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1281	mask_b = visual->blue_mask;
1455		1282
1456	/* boring lookup table pre-initialization */	1283	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1284	sh_r = ecb_ctz32 (mask_r);
1458	{	1285	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1286	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) ||	1287
1461	(mask_g != 0x03e0) ||	1288	size_r = mask_r >> sh_r;
1462	(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)
1463	return;	1293	return;
1464	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));
1465	lookup_r = lookup;	1296	lookup_r = lookup;
1466	lookup_g = lookup+32;	1297	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1298	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;	1299
1469	sh_g = 5;	1300	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1470	sh_b = 0;	1301
1471	break;	1302	if (bg_flags & BG_TINT_SET)
1472	case 16:	1303	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		1304
1515	/* prepare limits for color transformation (each channel is handled separately) */	1305	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1306	if (shade > 100)
1517	{	1307	{
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;	1308	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1309	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1310	c.b = c.b * (200 - shade) / 100;
		1311
		1312	low = 0xffff * (shade - 100) / 100;
1527	}	1313	}
1528	else	1314	else
1529	{	1315	{
1530	high.r = c.r * shade / 100;	1316	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1317	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1318	c.b = c.b * shade / 100;
1533		1319
1534	low.r = low.g = low.b = 0;	1320	low = 0;
1535	}	1321	}
1536		1322
1537	/* fill our lookup tables */	1323	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1324	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1325	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1326	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		1327
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1328	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1329	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 || ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1330	&& ximage->byte_order == host_byte_order)
1564	{	1331	{
1565	uint32_t *p1, *pf, *p, *pl;	1332	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1568		1333
1569	while (p1 < pf)	1334	for (int y = 0; y < ximage->height; y++)
1570	{	1335	{
1571	p = p1;	1336	uint32_t *p = (uint32_t *)line;
1572	pl = p1 + ximage->width;	1337	for (int x = 0; x < ximage->width; x++)
1573	for (; p < pl; p++)
1574	{	1338	{
1575	*p = lookup_r[(*p & 0xff0000) >> 16] |	1339	*p = lookup_r[(*p & mask_r) >> sh_r] |
1576	lookup_g[(*p & 0x00ff00) >> 8] |	1340	lookup_g[(*p & mask_g) >> sh_g] |
1577	lookup_b[(*p & 0x0000ff)] |	1341	lookup_b[(*p & mask_b) >> sh_b];
1578	(*p & 0xff000000);	1342	p++;
1579	}	1343	}
1580	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1344	line += ximage->bytes_per_line;
1581	}	1345	}
1582	}	1346	}
1583	else	1347	else
1584	{	1348	{
1585	for (int y = 0; y < ximage->height; y++)	1349	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1357	}
1594	}	1358	}
1595		1359
1596	free (lookup);	1360	free (lookup);
1597	}	1361	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1362	#endif /* ENABLE_TRANSPARENCY */

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