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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 1.220 by sf-exg, Fri May 25 08:27:47 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
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54
55	if (bg_pixmap)	63	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
57	}	65	}
58		66
59	bool	67	bool
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	86	return true;
79	# endif	87	# endif
80		88
81	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	90	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
83	{	91	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image->width () > szHint.width
		94	|| bg_image->height () > szHint.height)
85	return true;	95	return true;
86	}	96	}
87	# endif	97	# endif
88		98
89	return false;	99	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	107	return true;
98	# endif	108	# endif
99		109
100	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	111	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
102	{	112	{
103	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	114	return true;
105	}	115	}
106	# endif	116	# endif
107		117
108	return false;	118	return false;
109	}	119	}
110		120
111	# ifdef BG_IMAGE_FROM_FILE	121	# 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	122	static inline int
147	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
148	{	124	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
153	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	127	else if (align > 100)
155	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	129	else
157	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	131	}
160		132
161	static inline int	133	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	135	{
…		…
169	src_pos = -pos;	141	src_pos = -pos;
170	dst_pos = 0;	142	dst_pos = 0;
171	dst_size += pos;	143	dst_size += pos;
172	}	144	}
173		145
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	147	return src_pos;
177	}	148	}
178		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
179	bool	185	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
181	{	187	{
182	bool changed = false;	188	bool changed = false;
183	int geom_flags = 0;	189	int geom_flags = 0;
184	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
185	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
186	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	193	unsigned int h = v_scale;
		194	uint8_t new_flags = 0;
187		195
188	if (geom == NULL)	196	if (geom == NULL)
189	return false;	197	return false;
190		198
191	if (geom[0])	199	if (geom[0])
192	{	200	{
193	char **arr = rxvt_strsplit (':', geom);	201	char **arr = rxvt_strsplit (':', geom);
194		202
195	for (int i = 0; arr[i]; i++)	203	for (int i = 0; arr[i]; i++)
196	{	204	{
197	if (!strcasecmp (arr[i], "style=tiled"))	205	if (!strncasecmp (arr[i], "style=", 6))
198	{	206	{
199	new_flags = BG_TILE;	207	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;	208	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	209	}
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"))	210	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	211	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	213	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	214	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	215	new_flags |= IM_ROOT_ALIGN;
236		216
237	// deprecated	217	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	218	else if (!strcasecmp (arr[i], "tile"))
239	{	219	{
240	new_flags |= BG_TILE;	220	new_flags |= IM_TILE;
241	w = h = noScale;	221	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	222	geom_flags |= WidthValue|HeightValue;
243	}	223	}
244	else if (!strcasecmp (arr[i], "propscale"))	224	else if (!strcasecmp (arr[i], "propscale"))
245	{	225	{
246	new_flags |= BG_PROP_SCALE;	226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
247	}	229	}
248	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
249	{	231	{
250	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
251	w = windowScale;	233	w = windowScale;
252	h = noScale;	234	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
254	}	236	}
255	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
256	{	238	{
257	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
258	h = windowScale;	240	h = windowScale;
259	w = noScale;	241	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
261	}	243	}
262	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	252	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	254	}
273	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
274	{	256	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	258	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
278	}	260	}
279		261
280	else	262	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	264	} /* done parsing ops */
283		265
284	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
285	}	267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		270
287	if (!update)	271	if (!update)
288	{	272	{
289	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	279	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
297	h = w;	281	h = w;
298	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
299	w = h;	283	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	{	284	}
		285
		286	clamp_it (x, -100, 200);
		287	clamp_it (y, -100, 200);
		288
		289	if (flags != new_flags
		290	|| h_scale != w
		291	|| v_scale != h
		292	|| h_align != x
		293	|| v_align != y)
		294	{
311	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
312	changed = true;	300	changed = true;
313	}	301	}
314		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
315	return changed;	310	return changed;
316	}	311	}
317		312
318	void	313	void
319	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
320	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
321	int target_width = szHint.width;	318	int target_width = szHint.width;
322	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
323		322
324	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
326		325
327	if (bg_flags & BG_PROP_SCALE)	326	if (image.flags & IM_KEEP_ASPECT)
328	{	327	{
329	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
333	}	332	}
334		333
335	if (!w) w = image_width;	334	if (!w) w = image_width;
336	if (!h) h = image_height;	335	if (!h) h = image_height;
337		336
338	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
339	{	338	{
340	x = -target_x;	339	x = -target_x;
341	y = -target_y;	340	y = -target_y;
342	}	341	}
343	else	342	else
344	{	343	{
345	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	345	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	{	346	}
372	ShadingInfo as_shade;	347	}
373	as_shade.shading = shade;
374		348
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	350	bool
377	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
380	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
381		363
382	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
383	}	368	{
384		369	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
386	{	373	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
388	ASA_XImage,	375	{
389	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
390	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
391	{	442	{
392	destroy_asimage (&background);	443	a = pixel[3];
393	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
394	}	465	}
395	}
396	# endif
397		466
398	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
399		493
400	int target_width = szHint.width;	494	int target_width = szHint.width;
401	int target_height = szHint.height;	495	int target_height = szHint.height;
402	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
405	int x = 0;	499	int x = 0;
406	int y = 0;	500	int y = 0;
407	int w = 0;	501	int w = 0;
408	int h = 0;	502	int h = 0;
409		503
410	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		505
413	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	507	&& (x >= target_width
416	|| y >= target_height	508	|| y >= target_height
417	|| (x + w <= 0)	509	|| x + w <= 0
418	|| (y + h <= 0))))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
419	{	521	}
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		522
426	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	// optimise bg pixmap size when tiling, but only if there are no
		540	// other pixbufs to render. Otherwise, the bg pixmap size must
		541	// be equal to the window size.
		542	if ((image.flags & IM_TILE)
		543	&& image_vec.size () == 1)
427	{	544	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	545	new_pmap_width = min (image_width, target_width);
429	target_width, target_height, background_tint,	546	new_pmap_height = min (image_height, target_height);
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}	547	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441		548
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	549	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	550	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	551	|| bg_pmap_height != new_pmap_height)
547	{	552	{
548	if (bg_pixmap)	553	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	554	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	555	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;	556	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	557	bg_pmap_height = new_pmap_height;
553	}	558	}
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		559
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;	560	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	}	561	}
757		562
758	gcv.foreground = pix_colors[Color_bg];	563	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	564	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		565
761	if (gc)	566	if (gc)
762	{	567	{
763	if (bg_flags & BG_TILE)	568	if (image.flags & IM_TILE)
764	{	569	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	570	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	571	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	572	0, 0,
768	0, 0,	573	0, 0,
769	image_width, image_height);	574	image_width, image_height, need_blend);
770		575
771	gcv.tile = tile;	576	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	577	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	578	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	579	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	580	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		581
777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	582	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
778	XFreePixmap (dpy, tile);	583	XFreePixmap (dpy, tile);
779	}	584	}
780	else	585	else
781	{	586	{
782	int src_x, src_y, dst_x, dst_y;	587	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);	591	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787		592
788	if (dst_x > 0 || dst_y > 0	593	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	594	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	595	|| dst_y + dst_height < new_pmap_height)
791	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	596	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
792		597
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	598	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	599	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	600	src_x, src_y,
796	dst_x, dst_y,	601	dst_x, dst_y,
797	dst_width, dst_height);	602	dst_width, dst_height, need_blend);
798	}	603	}
799		604
800	#if XRENDER	605	#if XRENDER
801	if (tr_flags)	606	if (need_blend)
802	{	607	{
803	XRenderPictureAttributes pa;	608	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	609	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		610
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	611	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		612
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	613	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		614
811	pa.repeat = True;	615	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		616
817	XRenderColor mask_c;	617	XRenderColor mask_c;
818		618
819	mask_c.alpha = 0x8000;	619	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
820	mask_c.red = 0;	620	mask_c.red =
821	mask_c.green = 0;	621	mask_c.green =
822	mask_c.blue = 0;	622	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	623	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		624
824	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	625	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
825		626
826	XRenderFreePicture (dpy, src);	627	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	628	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	629	XRenderFreePicture (dpy, mask);
…		…
835	}	636	}
836		637
837	if (result != pixbuf)	638	if (result != pixbuf)
838	g_object_unref (result);	639	g_object_unref (result);
839		640
840	if (tr_flags)	641	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	642	XFreePixmap (dpy, tmp_pixmap);
842		643
843	return ret;	644	return ret;
844	}	645	}
845	# endif /* HAVE_PIXBUF */	646	# endif /* HAVE_PIXBUF */
846		647
		648	# ifndef NO_RESOURCES
		649	static int
		650	rxvt_define_image (XrmDatabase *database ecb_unused,
		651	XrmBindingList bindings ecb_unused,
		652	XrmQuarkList quarks,
		653	XrmRepresentation *type ecb_unused,
		654	XrmValue *value,
		655	XPointer closure ecb_unused)
		656	{
		657	int size;
		658
		659	for (size = 0; quarks[size] != NULLQUARK; size++)
		660	;
		661
		662	if (size >= 2)
		663	{
		664	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		665	if (id >= 1)
		666	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		667	}
		668	return False;
		669	}
		670
		671	void
		672	rxvt_term::parse_image (int id, const char *type, const char *arg)
		673	{
		674	rxvt_image *image;
		675
		676	for (image = image_vec.begin (); image < image_vec.end (); image++)
		677	if (image->id == id)
		678	break;
		679
		680	if (image == image_vec.end ())
		681	{
		682	image = new_image ();
		683	image->id = id;
		684	}
		685	}
		686	# endif
		687
		688	rxvt_image::rxvt_image ()
		689	{
		690	id =
		691	alpha =
		692	flags =
		693	h_scale =
		694	v_scale =
		695	h_align =
		696	v_align = 0;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf.reset (0);
		700	# endif
		701	}
		702
847	bool	703	bool
848	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
849	{	705	{
850	if (!file || !*file)	706	if (!file || !*file)
851	return false;	707	return false;
852		708
853	bool ret = false;
854	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
855		710
856	if (p)	711	if (p)
857	{	712	{
858	size_t len = p - file;	713	size_t len = p - file;
…		…
860	memcpy (f, file, len);	715	memcpy (f, file, len);
861	f[len] = '\0';	716	f[len] = '\0';
862	file = f;	717	file = f;
863	}	718	}
864		719
865	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
866	if (!asimman)	721	alpha = 0x8000;
867	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret && p)
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p + 1);
869	if (image)	724	return ret;
870	{	725	}
871	if (original_asim)	726
872	safe_asimage_destroy (original_asim);	727	bool
873	original_asim = image;	728	rxvt_image::set_file (const char *file)
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
875	ret = true;	730	bool ret = false;
876	}
877	# endif
878		731
879	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	734	if (image)
882	{	735	{
883	if (pixbuf)	736	if (pixbuf)
884	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
885	pixbuf = image;	738	pixbuf.reset (image);
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	739	ret = true;
888	}	740	}
889	# endif	741	# endif
890		742
891	if (ret)	743	if (ret)
892	{	744	{
893	if (p)	745	alpha = 0xffff;
894	bg_set_geometry (p + 1);	746	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
895	else	747	h_scale = v_scale = defaultScale;
896	bg_set_default_geometry ();	748	h_align = v_align = defaultAlign;
897	}	749	}
898		750
899	return ret;	751	return ret;
900	}	752	}
901		753
902	# endif /* BG_IMAGE_FROM_FILE */	754	# endif /* BG_IMAGE_FROM_FILE */
903		755
904	# ifdef ENABLE_TRANSPARENCY	756	# 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	757	bool
918	rxvt_term::bg_set_blur (const char *geom)	758	rxvt_term::bg_set_blur (const char *geom)
919	{	759	{
920	bool changed = false;	760	bool changed = false;
921	unsigned int hr, vr;	761	unsigned int hr, vr;
…		…
940	{	780	{
941	changed = true;	781	changed = true;
942	v_blurRadius = vr;	782	v_blurRadius = vr;
943	}	783	}
944		784
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;	785	return changed;
951	}	786	}
952		787
953	void	788	bool
954	rxvt_term::set_tint_shade_flags ()	789	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	790	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	791	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	792	{
958		793	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	794	bg_flags |= BG_TINT_SET;
960		795
961	if (bg_flags & BG_TINT_SET)	796	rgba c;
962	{
963	tint.get (c);	797	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	798	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	799	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	800	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	801	bg_flags |= BG_TINT_BITAND;
969	}	802	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;	803	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	804
983	return true;	805	return true;
984	}	806	}
985		807
986	return false;	808	return false;
987	}	809	}
988		810
989	bool	811	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	812	rxvt_term::bg_set_shade (const char *shade_str)
991	{	813	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	814	int new_shade = atoi (shade_str);
993		815
994	clamp_it (new_shade, -100, 200);	816	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	817	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	818	new_shade = 200 - (100 + new_shade);
997		819
998	if (new_shade != shade)	820	if (new_shade != shade)
999	{	821	{
1000	shade = new_shade;	822	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	823	return true;
1003	}	824	}
1004		825
1005	return false;	826	return false;
1006	}	827	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	848	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	849	}
1029	#endif	850	#endif
1030		851
1031	bool	852	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	853	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	854	{
1034	bool ret = false;	855	bool ret = false;
1035	#if XRENDER	856	#if XRENDER
		857	if (!(bg_flags & BG_HAS_RENDER_CONV))
		858	return false;
		859
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	860	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	861	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	862	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		863
1040	XRenderPictureAttributes pa;	864	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	865	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		866
		867	pa.repeat = RepeatPad;
1043	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	868	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		869	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	870	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		871	XFreePixmap (dpy, tmp);
1045		872
1046	if (kernel && params)	873	if (kernel && params)
1047	{	874	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	875	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	876	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		877
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	878	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	879	XRenderComposite (dpy,
1055	PictOpSrc,	880	PictOpSrc,
1056	src,	881	src,
1057	None,	882	None,
1058	dst,	883	dst,
1059	0, 0,	884	0, 0,
1060	0, 0,	885	0, 0,
1061	0, 0,	886	0, 0,
1062	width, height);	887	width, height);
1063	}
1064		888
1065	if (v_blurRadius)	889	::swap (src, dst);
1066	{	890
1067	size = v_blurRadius * 2 + 1;	891	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	892	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	893	::swap (params[0], params[1]);
1070		894
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	895	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	896	XRenderComposite (dpy,
1073	PictOpSrc,	897	PictOpSrc,
1074	src,	898	src,
1075	None,	899	None,
1076	dst,	900	dst,
1077	0, 0,	901	0, 0,
1078	0, 0,	902	0, 0,
1079	0, 0,	903	0, 0,
1080	width, height);	904	width, height);
1081	}
1082		905
1083	ret = true;	906	ret = true;
1084	}	907	}
1085		908
1086	free (kernel);	909	free (kernel);
…		…
1090	#endif	913	#endif
1091	return ret;	914	return ret;
1092	}	915	}
1093		916
1094	bool	917	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	918	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	919	{
1097	bool ret = false;	920	bool ret = false;
1098		921
1099	if (bg_flags & BG_TINT_BITAND)	922	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	923	{
1101	XGCValues gcv;	924	XGCValues gcv;
1102	GC gc;	925	GC gc;
1103		926
1104	/* In this case we can tint image server-side getting significant	927	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	936	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	937	ret = true;
1115	XFreeGC (dpy, gc);	938	XFreeGC (dpy, gc);
1116	}	939	}
1117	}	940	}
1118	else
1119	{
1120	# if XRENDER	941	# if XRENDER
		942	else if (bg_flags & BG_HAS_RENDER)
		943	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	944	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		945
1123	if (bg_flags & BG_TINT_SET)	946	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	947	tint.get (c);
1125		948
…		…
1134	c.r = c.r * (200 - shade) / 100;	957	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	958	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	959	c.b = c.b * (200 - shade) / 100;
1137	}	960	}
1138		961
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	962	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		963
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	964	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		965
1145	pa.repeat = True;	966	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		967
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	968	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		969
1156	XRenderColor mask_c;	970	XRenderColor mask_c;
1157		971
1158	mask_c.alpha = 0xffff;	972	mask_c.alpha = 0xffff;
1159	mask_c.red =	973	mask_c.red =
…		…
1164	mask_c.alpha = 0;	978	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	979	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	980	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	981	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		983
1169	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1170		985
1171	if (shade > 100)	986	if (shade > 100)
1172	{	987	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	mask_c.alpha = 0;	988	mask_c.alpha = 0;
		989	mask_c.red =
		990	mask_c.green =
		991	mask_c.blue = 0xffff * (shade - 100) / 100;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	992	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		993
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	994	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178	}	995	}
1179		996
1180	ret = true;	997	ret = true;
1181		998
1182	XRenderFreePicture (dpy, mask_pic);	999	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	1000	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	1001	XRenderFreePicture (dpy, back_pic);
		1002	}
1185	# endif	1003	# endif
1186	}
1187		1004
1188	return ret;	1005	return ret;
1189	}	1006	}
1190		1007
1191	/*	1008	/*
1192	* Builds a pixmap of the same size as the terminal window that contains	1009	* 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	1010	* the tiled portion of the root pixmap that is supposed to be covered by
1194	* our window.	1011	* our window.
1195	*/	1012	*/
1196	unsigned long	1013	bool
1197	rxvt_term::make_transparency_pixmap ()	1014	rxvt_term::make_transparency_pixmap ()
1198	{	1015	{
1199	unsigned long result = 0;	1016	bool ret = false;
1200		1017
1201	/* root dimensions may change from call to call - but Display structure should	1018	/* root dimensions may change from call to call - but Display structure should
1202	* be always up-to-date, so let's use it :	1019	* be always up-to-date, so let's use it :
1203	*/	1020	*/
1204	int screen = display->screen;	1021	int screen = display->screen;
…		…
1242	#if XRENDER	1059	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	1060	if (bg_flags & BG_HAS_RENDER)
1244	{	1061	{
1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1062	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246		1063
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1064	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1065	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		1066
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1067	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1068	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1069
1255	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1070	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1256		1071
1257	XRenderFreePicture (dpy, src);	1072	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1073	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1090	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1091	bg_pmap_height = window_height;
1277	}	1092	}
1278		1093
1279	/* straightforward pixmap copy */	1094	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1095	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1096	while (sy < 0) sy += root_pmap_height;
1282		1097
1283	gcv.tile = recoded_root_pmap;	1098	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1099	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1100	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1101	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1102	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1103
1289	if (gc)	1104	if (gc)
1290	{	1105	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1106	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1107	ret = true;
1293	XFreeGC (dpy, gc);	1108	bool need_blur = h_blurRadius && v_blurRadius;
		1109	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1294		1110
1295	if (!(bg_flags & BG_CLIENT_RENDER))	1111	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{	1112	{
1297	if ((bg_flags & BG_NEEDS_BLUR)	1113	if (need_blur)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{	1114	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1115	if (blur_pixmap (bg_pixmap, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;	1116	need_blur = false;
1302	}	1117	}
1303	if ((bg_flags & BG_NEEDS_TINT)	1118	if (need_tint)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{	1119	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (tint_pixmap (bg_pixmap, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;	1121	need_tint = false;
		1122	}
		1123	if (need_tint)
		1124	{
		1125	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1126	if (ximage)
		1127	{
		1128	/* our own client-side tinting */
		1129	tint_ximage (ximage);
		1130
		1131	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1132	XDestroyImage (ximage);
		1133	}
1308	}	1134	}
1309	} /* server side rendering completed */	1135	} /* server side rendering completed */
		1136
		1137	XFreeGC (dpy, gc);
1310	}	1138	}
1311		1139
1312	if (recoded_root_pmap != root_pixmap)	1140	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1141	XFreePixmap (dpy, recoded_root_pmap);
1314		1142
1315	return result;	1143	return ret;
1316	}	1144	}
1317		1145
1318	void	1146	void
1319	rxvt_term::bg_set_root_pixmap ()	1147	rxvt_term::bg_set_root_pixmap ()
1320	{	1148	{
…		…
1324		1152
1325	root_pixmap = new_root_pixmap;	1153	root_pixmap = new_root_pixmap;
1326	}	1154	}
1327	# endif /* ENABLE_TRANSPARENCY */	1155	# endif /* ENABLE_TRANSPARENCY */
1328		1156
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	1157	bool
1334	rxvt_term::bg_render ()	1158	rxvt_term::bg_render ()
1335	{	1159	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();	1160	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1161	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1162	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1163	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1164	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1165	if (make_transparency_pixmap ())
1344	if (tr_flags == 0)
1345	return false;
1346	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1347	}	1167	}
1348	# endif	1168	# endif
1349		1169
1350	# ifdef BG_IMAGE_FROM_FILE	1170	# ifdef BG_IMAGE_FROM_FILE
1351	if ((bg_flags & BG_IS_FROM_FILE)	1171	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1352	|| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1172	{
1354	if (render_image (tr_flags))	1173	if (render_image (*bg_image))
1355	bg_flags |= BG_IS_VALID;	1174	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	}	1175	}
1390	# endif	1176	# endif
1391		1177
1392	if (!(bg_flags & BG_IS_VALID))	1178	if (!(bg_flags & BG_IS_VALID))
1393	{	1179	{
…		…
1426	bg_flags |= BG_HAS_RENDER_CONV;	1212	bg_flags |= BG_HAS_RENDER_CONV;
1427		1213
1428	XFree (filters);	1214	XFree (filters);
1429	}	1215	}
1430	#endif	1216	#endif
		1217
		1218	#ifdef BG_IMAGE_FROM_FILE
		1219	if (rs[Rs_backgroundPixmap])
		1220	{
		1221	rxvt_image *image = new_image ();
		1222	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1223	image_vec.pop_back ();
		1224	}
		1225
		1226	# ifndef NO_RESOURCES
		1227	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1228	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1229	while (bg_image != image_vec.end ())
		1230	{
		1231	if (!(bg_image->flags & IM_IS_SET))
		1232	bg_image = image_vec.erase (bg_image);
		1233	else
		1234	bg_image++;
		1235	}
		1236	# endif
		1237
		1238	if (image_vec.size () > 0
		1239	&& !bg_window_position_sensitive ())
		1240	update_background ();
		1241	#endif
1431	}	1242	}
1432		1243
1433	#endif /* HAVE_BG_PIXMAP */	1244	#endif /* HAVE_BG_PIXMAP */
1434		1245
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1246	#ifdef ENABLE_TRANSPARENCY
1436	/* based on code from aterm-0.4.2 */	1247	/* based on code from aterm-0.4.2 */
1437		1248
1438	static void	1249	static inline void
1439	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1250	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1440	{	1251	{
		1252	for (int i = 0; i <= mask >> sh; i++)
		1253	{
		1254	uint32_t tmp;
		1255	tmp = i * high;
		1256	tmp += (mask >> sh) * low;
		1257	lookup[i] = (tmp / 0xffff) << sh;
		1258	}
		1259	}
		1260
		1261	void
		1262	rxvt_term::tint_ximage (XImage *ximage)
		1263	{
		1264	unsigned int size_r, size_g, size_b;
1441	int sh_r, sh_g, sh_b;	1265	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1266	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1267	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	rgba low;	1268	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1269	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1270
1449	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1271	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450		1272
1451	/* for convenience */	1273	/* for convenience */
1452	mask_r = visual->red_mask;	1274	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1275	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1276	mask_b = visual->blue_mask;
1455		1277
1456	/* boring lookup table pre-initialization */	1278	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1279	sh_r = ecb_ctz32 (mask_r);
1458	{	1280	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1281	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) ||	1282
1461	(mask_g != 0x03e0) ||	1283	size_r = mask_r >> sh_r;
1462	(mask_b != 0x001f))	1284	size_g = mask_g >> sh_g;
		1285	size_b = mask_b >> sh_b;
		1286
		1287	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1463	return;	1288	return;
1464	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1289
		1290	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1465	lookup_r = lookup;	1291	lookup_r = lookup;
1466	lookup_g = lookup+32;	1292	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1293	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;	1294
1469	sh_g = 5;	1295	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1470	sh_b = 0;	1296
1471	break;	1297	if (bg_flags & BG_TINT_SET)
1472	case 16:	1298	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		1299
1515	/* prepare limits for color transformation (each channel is handled separately) */	1300	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1301	if (shade > 100)
1517	{	1302	{
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;	1303	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1304	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1305	c.b = c.b * (200 - shade) / 100;
		1306
		1307	low = 0xffff * (shade - 100) / 100;
1527	}	1308	}
1528	else	1309	else
1529	{	1310	{
1530	high.r = c.r * shade / 100;	1311	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1312	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1313	c.b = c.b * shade / 100;
1533		1314
1534	low.r = low.g = low.b = 0;	1315	low = 0;
1535	}	1316	}
1536		1317
1537	/* fill our lookup tables */	1318	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1319	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1320	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1321	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		1322
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1323	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1324	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 || ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1325	&& ximage->byte_order == host_byte_order)
1564	{	1326	{
1565	uint32_t *p1, *pf, *p, *pl;	1327	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1568		1328
1569	while (p1 < pf)	1329	for (int y = 0; y < ximage->height; y++)
1570	{	1330	{
1571	p = p1;	1331	uint32_t *p = (uint32_t *)line;
1572	pl = p1 + ximage->width;	1332	for (int x = 0; x < ximage->width; x++)
1573	for (; p < pl; p++)
1574	{	1333	{
1575	*p = lookup_r[(*p & 0xff0000) >> 16] |	1334	*p = lookup_r[(*p & mask_r) >> sh_r] |
1576	lookup_g[(*p & 0x00ff00) >> 8] |	1335	lookup_g[(*p & mask_g) >> sh_g] |
1577	lookup_b[(*p & 0x0000ff)] |	1336	lookup_b[(*p & mask_b) >> sh_b];
1578	(*p & 0xff000000);	1337	p++;
1579	}	1338	}
1580	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1339	line += ximage->bytes_per_line;
1581	}	1340	}
1582	}	1341	}
1583	else	1342	else
1584	{	1343	{
1585	for (int y = 0; y < ximage->height; y++)	1344	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1352	}
1594	}	1353	}
1595		1354
1596	free (lookup);	1355	free (lookup);
1597	}	1356	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1357	#endif /* ENABLE_TRANSPARENCY */

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