ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.181 by sf-exg, Sat Dec 24 14:06:32 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_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	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=keep-aspect"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	213	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	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_KEEP_ASPECT;	226	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	227	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
249	}	229	}
250	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
251	{	231	{
252	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
253	w = windowScale;	233	w = windowScale;
254	h = noScale;	234	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
256	}	236	}
257	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
258	{	238	{
259	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
260	h = windowScale;	240	h = windowScale;
261	w = noScale;	241	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
263	}	243	}
264	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	252	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	254	}
275	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
276	{	256	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	258	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
280	}	260	}
281		261
282	else	262	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	264	} /* done parsing ops */
285		265
286	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
287	}	267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		270
289	if (!update)	271	if (!update)
290	{	272	{
291	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	279	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
299	h = w;	281	h = w;
300	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
301	w = h;	283	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	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	{
313	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
314	changed = true;	300	changed = true;
315	}	301	}
316		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
317	return changed;	310	return changed;
318	}	311	}
319		312
320	void	313	void
321	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)
322	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
323	int target_width = szHint.width;	318	int target_width = szHint.width;
324	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);
325		322
326	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
328		325
329	if (bg_flags & BG_KEEP_ASPECT)	326	if (image.flags & IM_KEEP_ASPECT)
330	{	327	{
331	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
335	}	332	}
336		333
337	if (!w) w = image_width;	334	if (!w) w = image_width;
338	if (!h) h = image_height;	335	if (!h) h = image_height;
339		336
340	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
341	{	338	{
342	x = -target_x;	339	x = -target_x;
343	y = -target_y;	340	y = -target_y;
344	}	341	}
345	else	342	else
346	{	343	{
347	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	346	}
374	ShadingInfo as_shade;	347	}
375	as_shade.shading = shade;
376		348
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	350	bool
379	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
382	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;
383		363
384	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
385	}	368	{
386		369	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
388	{	373	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
390	ASA_XImage,	375	{
391	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);
392	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)
393	{	442	{
394	destroy_asimage (&background);	443	a = pixel[3];
395	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);
396	}	465	}
397	}
398	# endif
399		466
400	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);
401		493
402	int target_width = szHint.width;	494	int target_width = szHint.width;
403	int target_height = szHint.height;	495	int target_height = szHint.height;
404	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
407	int x = 0;	499	int x = 0;
408	int y = 0;	500	int y = 0;
409	int w = 0;	501	int w = 0;
410	int h = 0;	502	int h = 0;
411		503
412	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		505
415	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	507	&& (x >= target_width
418	|| y >= target_height	508	|| y >= target_height
419	|| x + w <= 0	509	|| x + w <= 0
420	|| 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);
421	{	521	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		522
428	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)
429	{	544	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	545	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	546	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	547	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		548
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	549	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	550	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	551	|| bg_pmap_height != new_pmap_height)
549	{	552	{
550	if (bg_pixmap)	553	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	554	XFreePixmap (dpy, bg_pixmap);
552	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);
553	bg_pmap_width = new_pmap_width;	556	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	557	bg_pmap_height = new_pmap_height;
555	}	558	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		559
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	560	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	561	}
759		562
760	gcv.foreground = pix_colors[Color_bg];	563	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	564	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		565
763	if (gc)	566	if (gc)
764	{	567	{
765	if (bg_flags & BG_TILE)	568	if (image.flags & IM_TILE)
766	{	569	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	570	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	571	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	572	0, 0,
770	0, 0,	573	0, 0,
771	image_width, image_height);	574	image_width, image_height, need_blend);
772		575
773	gcv.tile = tile;	576	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	577	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	578	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	579	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	580	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		581
779	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);
780	XFreePixmap (dpy, tile);	583	XFreePixmap (dpy, tile);
781	}	584	}
782	else	585	else
783	{	586	{
784	int src_x, src_y, dst_x, dst_y;	587	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	591	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		592
790	if (dst_x > 0 || dst_y > 0	593	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	594	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	595	|| dst_y + dst_height < new_pmap_height)
793	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);
794		597
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	598	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	599	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	600	src_x, src_y,
798	dst_x, dst_y,	601	dst_x, dst_y,
799	dst_width, dst_height);	602	dst_width, dst_height, need_blend);
800	}	603	}
801		604
802	#if XRENDER	605	#if XRENDER
803	if (tr_flags)	606	if (need_blend)
804	{	607	{
805	XRenderPictureAttributes pa;	608	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	609	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		610
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	611	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		612
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	613	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		614
813	pa.repeat = True;	615	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		616
819	XRenderColor mask_c;	617	XRenderColor mask_c;
820		618
821	mask_c.alpha = 0x8000;	619	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
822	mask_c.red = 0;	620	mask_c.red =
823	mask_c.green = 0;	621	mask_c.green =
824	mask_c.blue = 0;	622	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	623	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		624
826	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);
827		626
828	XRenderFreePicture (dpy, src);	627	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	628	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	629	XRenderFreePicture (dpy, mask);
…		…
837	}	636	}
838		637
839	if (result != pixbuf)	638	if (result != pixbuf)
840	g_object_unref (result);	639	g_object_unref (result);
841		640
842	if (tr_flags)	641	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	642	XFreePixmap (dpy, tmp_pixmap);
844		643
845	return ret;	644	return ret;
846	}	645	}
847	# endif /* HAVE_PIXBUF */	646	# endif /* HAVE_PIXBUF */
848		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
849	bool	703	bool
850	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
851	{	705	{
852	if (!file || !*file)	706	if (!file || !*file)
853	return false;	707	return false;
854		708
855	bool ret = false;
856	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
857		710
858	if (p)	711	if (p)
859	{	712	{
860	size_t len = p - file;	713	size_t len = p - file;
…		…
862	memcpy (f, file, len);	715	memcpy (f, file, len);
863	f[len] = '\0';	716	f[len] = '\0';
864	file = f;	717	file = f;
865	}	718	}
866		719
867	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
868	if (!asimman)	721	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret && p)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p + 1);
871	if (image)	724	return ret;
872	{	725	}
873	if (original_asim)	726
874	safe_asimage_destroy (original_asim);	727	bool
875	original_asim = image;	728	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
877	ret = true;	730	bool ret = false;
878	}
879	# endif
880		731
881	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	734	if (image)
884	{	735	{
885	if (pixbuf)	736	if (pixbuf)
886	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
887	pixbuf = image;	738	pixbuf.reset (image);
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	739	ret = true;
890	}	740	}
891	# endif	741	# endif
892		742
893	if (ret)	743	if (ret)
894	{	744	{
895	if (p)	745	alpha = 0xffff;
896	bg_set_geometry (p + 1);	746	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
897	else	747	h_scale = v_scale = defaultScale;
898	bg_set_default_geometry ();	748	h_align = v_align = defaultAlign;
899	}	749	}
900		750
901	return ret;	751	return ret;
902	}	752	}
903		753
904	# endif /* BG_IMAGE_FROM_FILE */	754	# endif /* BG_IMAGE_FROM_FILE */
905		755
906	# ifdef ENABLE_TRANSPARENCY	756	# ifdef ENABLE_TRANSPARENCY
907	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool	757	bool
920	rxvt_term::bg_set_blur (const char *geom)	758	rxvt_term::bg_set_blur (const char *geom)
921	{	759	{
922	bool changed = false;	760	bool changed = false;
923	unsigned int hr, vr;	761	unsigned int hr, vr;
…		…
942	{	780	{
943	changed = true;	781	changed = true;
944	v_blurRadius = vr;	782	v_blurRadius = vr;
945	}	783	}
946		784
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	785	return changed;
953	}	786	}
954		787
955	void	788	bool
956	rxvt_term::set_tint_shade_flags ()	789	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	790	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	791	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
959	bool has_shade = shade != 100;	792	{
960		793	tint = new_tint;
961	bg_flags &= ~BG_TINT_FLAGS;	794	bg_flags |= BG_TINT_SET;
962		795
963	if (bg_flags & BG_TINT_SET)	796	rgba c;
964	{
965	tint.get (c);	797	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	798	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	799	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	800	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	801	bg_flags |= BG_TINT_BITAND;
971	}	802	else
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	803	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	804
985	return true;	805	return true;
986	}	806	}
987		807
988	return false;	808	return false;
989	}	809	}
990		810
991	bool	811	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	812	rxvt_term::bg_set_shade (const char *shade_str)
993	{	813	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	814	int new_shade = atoi (shade_str);
995		815
996	clamp_it (new_shade, -100, 200);	816	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	817	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	818	new_shade = 200 - (100 + new_shade);
999		819
1000	if (new_shade != shade)	820	if (new_shade != shade)
1001	{	821	{
1002	shade = new_shade;	822	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	823	return true;
1005	}	824	}
1006		825
1007	return false;	826	return false;
1008	}	827	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	848	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	849	}
1031	#endif	850	#endif
1032		851
1033	bool	852	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	853	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	854	{
1036	bool ret = false;	855	bool ret = false;
1037	#if XRENDER	856	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	857	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	858	return false;
…		…
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	862	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		863
1045	XRenderPictureAttributes pa;	864	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	865	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		866
		867	pa.repeat = RepeatPad;
1048	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);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	870	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		871	XFreePixmap (dpy, tmp);
1050		872
1051	if (kernel && params)	873	if (kernel && params)
1052	{	874	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	875	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	876	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		877
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	878	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	879	XRenderComposite (dpy,
1060	PictOpSrc,	880	PictOpSrc,
1061	src,	881	src,
1062	None,	882	None,
1063	dst,	883	dst,
1064	0, 0,	884	0, 0,
1065	0, 0,	885	0, 0,
1066	0, 0,	886	0, 0,
1067	width, height);	887	width, height);
1068	}
1069		888
1070	if (v_blurRadius)	889	::swap (src, dst);
1071	{	890
1072	size = v_blurRadius * 2 + 1;	891	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	892	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	893	::swap (params[0], params[1]);
1075		894
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	895	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	896	XRenderComposite (dpy,
1078	PictOpSrc,	897	PictOpSrc,
1079	src,	898	src,
1080	None,	899	None,
1081	dst,	900	dst,
1082	0, 0,	901	0, 0,
1083	0, 0,	902	0, 0,
1084	0, 0,	903	0, 0,
1085	width, height);	904	width, height);
1086	}
1087		905
1088	ret = true;	906	ret = true;
1089	}	907	}
1090		908
1091	free (kernel);	909	free (kernel);
…		…
1095	#endif	913	#endif
1096	return ret;	914	return ret;
1097	}	915	}
1098		916
1099	bool	917	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	918	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	919	{
1102	bool ret = false;	920	bool ret = false;
1103		921
1104	if (bg_flags & BG_TINT_BITAND)	922	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	923	{
1106	XGCValues gcv;	924	XGCValues gcv;
1107	GC gc;	925	GC gc;
1108		926
1109	/* In this case we can tint image server-side getting significant	927	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	957	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	958	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	959	c.b = c.b * (200 - shade) / 100;
1142	}	960	}
1143		961
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	962	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		963
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	964	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		965
1150	pa.repeat = True;	966	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		967
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	968	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		969
1161	XRenderColor mask_c;	970	XRenderColor mask_c;
1162		971
1163	mask_c.alpha = 0xffff;	972	mask_c.alpha = 0xffff;
1164	mask_c.red =	973	mask_c.red =
…		…
1169	mask_c.alpha = 0;	978	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	979	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	980	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	981	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		983
1174	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);
1175		985
1176	if (shade > 100)	986	if (shade > 100)
1177	{	987	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	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;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	992	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		993
1182	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);
1183	}	995	}
1184		996
…		…
1196	/*	1008	/*
1197	* 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
1198	* 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
1199	* our window.	1011	* our window.
1200	*/	1012	*/
1201	unsigned long	1013	bool
1202	rxvt_term::make_transparency_pixmap ()	1014	rxvt_term::make_transparency_pixmap ()
1203	{	1015	{
1204	unsigned long result = 0;	1016	bool ret = false;
1205		1017
1206	/* 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
1207	* be always up-to-date, so let's use it :	1019	* be always up-to-date, so let's use it :
1208	*/	1020	*/
1209	int screen = display->screen;	1021	int screen = display->screen;
…		…
1247	#if XRENDER	1059	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1060	if (bg_flags & BG_HAS_RENDER)
1249	{	1061	{
1250	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);
1251		1063
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1064	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1065	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1066
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1067	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1068	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1069
1260	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);
1261		1071
1262	XRenderFreePicture (dpy, src);	1072	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1073	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1102	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1103
1294	if (gc)	1104	if (gc)
1295	{	1105	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1106	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1107	ret = true;
1298	XFreeGC (dpy, gc);	1108	bool need_blur = h_blurRadius && v_blurRadius;
		1109	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1299		1110
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1111	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1112	{
1302	if (bg_flags & BG_NEEDS_BLUR)	1113	if (need_blur)
1303	{	1114	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1115	if (blur_pixmap (bg_pixmap, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;	1116	need_blur = false;
1306	}	1117	}
1307	if (bg_flags & BG_NEEDS_TINT)	1118	if (need_tint)
1308	{	1119	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1120	if (tint_pixmap (bg_pixmap, window_width, window_height))
1310	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	}
1311	}	1134	}
1312	} /* server side rendering completed */	1135	} /* server side rendering completed */
		1136
		1137	XFreeGC (dpy, gc);
1313	}	1138	}
1314		1139
1315	if (recoded_root_pmap != root_pixmap)	1140	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1141	XFreePixmap (dpy, recoded_root_pmap);
1317		1142
1318	return result;	1143	return ret;
1319	}	1144	}
1320		1145
1321	void	1146	void
1322	rxvt_term::bg_set_root_pixmap ()	1147	rxvt_term::bg_set_root_pixmap ()
1323	{	1148	{
…		…
1327		1152
1328	root_pixmap = new_root_pixmap;	1153	root_pixmap = new_root_pixmap;
1329	}	1154	}
1330	# endif /* ENABLE_TRANSPARENCY */	1155	# endif /* ENABLE_TRANSPARENCY */
1331		1156
1332	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1333	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1334	# endif
1335
1336	bool	1157	bool
1337	rxvt_term::bg_render ()	1158	rxvt_term::bg_render ()
1338	{	1159	{
1339	unsigned long tr_flags = 0;
1340
1341	bg_invalidate ();	1160	bg_invalidate ();
1342	# ifdef ENABLE_TRANSPARENCY	1161	# ifdef ENABLE_TRANSPARENCY
1343	if (bg_flags & BG_IS_TRANSPARENT)	1162	if (bg_flags & BG_IS_TRANSPARENT)
1344	{	1163	{
1345	/* we need to re-generate transparency pixmap in that case ! */	1164	/* we need to re-generate transparency pixmap in that case ! */
1346	tr_flags = make_transparency_pixmap ();	1165	if (make_transparency_pixmap ())
1347	if (tr_flags == 0)
1348	return false;
1349	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1350	}	1167	}
1351	# endif	1168	# endif
1352		1169
1353	# ifdef BG_IMAGE_FROM_FILE	1170	# ifdef BG_IMAGE_FROM_FILE
1354	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++)
1355	|| (tr_flags & BG_EFFECTS_FLAGS))
1356	{	1172	{
1357	if (render_image (tr_flags))	1173	if (render_image (*bg_image))
1358	bg_flags |= BG_IS_VALID;	1174	bg_flags |= BG_IS_VALID;
1359	}
1360	# endif
1361
1362	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1363	XImage *result = NULL;
1364
1365	if (tr_flags & BG_NEEDS_TINT)
1366	{
1367	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1368	}
1369
1370	if (result)
1371	{
1372	/* our own client-side tinting */
1373	//if (tr_flags & BG_NEEDS_TINT)
1374	if (1)
1375	{
1376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1377	if (bg_flags & BG_TINT_SET)
1378	tint.get (c);
1379	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1380	}
1381
1382	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1383
1384	if (gc)
1385	{
1386	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1387
1388	XFreeGC (dpy, gc);
1389	}
1390
1391	XDestroyImage (result);
1392	}	1175	}
1393	# endif	1176	# endif
1394		1177
1395	if (!(bg_flags & BG_IS_VALID))	1178	if (!(bg_flags & BG_IS_VALID))
1396	{	1179	{
…		…
1429	bg_flags |= BG_HAS_RENDER_CONV;	1212	bg_flags |= BG_HAS_RENDER_CONV;
1430		1213
1431	XFree (filters);	1214	XFree (filters);
1432	}	1215	}
1433	#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
1434	}	1242	}
1435		1243
1436	#endif /* HAVE_BG_PIXMAP */	1244	#endif /* HAVE_BG_PIXMAP */
1437		1245
1438	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1246	#ifdef ENABLE_TRANSPARENCY
1439	/* based on code from aterm-0.4.2 */	1247	/* based on code from aterm-0.4.2 */
1440		1248
1441	static inline void	1249	static inline void
1442	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1250	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1443	{	1251	{
…		…
1448	tmp += (mask >> sh) * low;	1256	tmp += (mask >> sh) * low;
1449	lookup[i] = (tmp / 0xffff) << sh;	1257	lookup[i] = (tmp / 0xffff) << sh;
1450	}	1258	}
1451	}	1259	}
1452		1260
1453	static void	1261	void
1454	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1262	rxvt_term::tint_ximage (XImage *ximage)
1455	{	1263	{
		1264	unsigned int size_r, size_g, size_b;
1456	int sh_r, sh_g, sh_b;	1265	int sh_r, sh_g, sh_b;
1457	uint32_t mask_r, mask_g, mask_b;	1266	uint32_t mask_r, mask_g, mask_b;
1458	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1267	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1459	unsigned short low;	1268	unsigned short low;
1460	rgba high;
1461	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1269	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1462		1270
1463	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1271	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1464		1272
1465	/* for convenience */	1273	/* for convenience */
1466	mask_r = visual->red_mask;	1274	mask_r = visual->red_mask;
1467	mask_g = visual->green_mask;	1275	mask_g = visual->green_mask;
1468	mask_b = visual->blue_mask;	1276	mask_b = visual->blue_mask;
1469		1277
1470	/* boring lookup table pre-initialization */	1278	/* boring lookup table pre-initialization */
1471	switch (ximage->depth)	1279	sh_r = ecb_ctz32 (mask_r);
1472	{	1280	sh_g = ecb_ctz32 (mask_g);
1473	case 15:	1281	sh_b = ecb_ctz32 (mask_b);
1474	if ((mask_r != 0x7c00) ||	1282
1475	(mask_g != 0x03e0) ||	1283	size_r = mask_r >> sh_r;
1476	(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)
1477	return;	1288	return;
1478	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));
1479	lookup_r = lookup;	1291	lookup_r = lookup;
1480	lookup_g = lookup+32;	1292	lookup_g = lookup + size_r;
1481	lookup_b = lookup+32+32;	1293	lookup_b = lookup + size_r + size_g;
1482	sh_r = 10;	1294
1483	sh_g = 5;	1295	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1484	sh_b = 0;	1296
1485	break;	1297	if (bg_flags & BG_TINT_SET)
1486	case 16:	1298	tint.get (c);
1487	if ((mask_r != 0xf800) ||
1488	(mask_g != 0x07e0) ||
1489	(mask_b != 0x001f))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1492	lookup_r = lookup;
1493	lookup_g = lookup+32;
1494	lookup_b = lookup+32+64;
1495	sh_r = 11;
1496	sh_g = 5;
1497	sh_b = 0;
1498	break;
1499	case 24:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	case 32:
1513	if ((mask_r != 0xff0000) ||
1514	(mask_g != 0x00ff00) ||
1515	(mask_b != 0x0000ff))
1516	return;
1517	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1518	lookup_r = lookup;
1519	lookup_g = lookup+256;
1520	lookup_b = lookup+256+256;
1521	sh_r = 16;
1522	sh_g = 8;
1523	sh_b = 0;
1524	break;
1525	default:
1526	return; /* we do not support this color depth */
1527	}
1528		1299
1529	/* prepare limits for color transformation (each channel is handled separately) */	1300	/* prepare limits for color transformation (each channel is handled separately) */
1530	if (shade > 100)	1301	if (shade > 100)
1531	{	1302	{
1532	shade = 200 - shade;	1303	c.r = c.r * (200 - shade) / 100;
		1304	c.g = c.g * (200 - shade) / 100;
		1305	c.b = c.b * (200 - shade) / 100;
1533		1306
1534	high.r = c.r * shade / 100;
1535	high.g = c.g * shade / 100;
1536	high.b = c.b * shade / 100;
1537
1538	low = 0xffff * (100 - shade) / 100;	1307	low = 0xffff * (shade - 100) / 100;
1539	}	1308	}
1540	else	1309	else
1541	{	1310	{
1542	high.r = c.r * shade / 100;	1311	c.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;	1312	c.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;	1313	c.b = c.b * shade / 100;
1545		1314
1546	low = 0;	1315	low = 0;
1547	}	1316	}
1548		1317
1549	/* fill our lookup tables */	1318	/* fill our lookup tables */
1550	fill_lut (lookup_r, mask_r, sh_r, low, high.r);	1319	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1551	fill_lut (lookup_g, mask_g, sh_g, low, high.g);	1320	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, high.b);	1321	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1322
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1323	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1324	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 || ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1325	&& ximage->byte_order == host_byte_order)
1558	{	1326	{
1559	uint32_t *p1, *pf, *p, *pl;	1327	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1562		1328
1563	while (p1 < pf)	1329	for (int y = 0; y < ximage->height; y++)
1564	{	1330	{
1565	p = p1;	1331	uint32_t *p = (uint32_t *)line;
1566	pl = p1 + ximage->width;	1332	for (int x = 0; x < ximage->width; x++)
1567	for (; p < pl; p++)
1568	{	1333	{
1569	*p = lookup_r[(*p & 0xff0000) >> 16] |	1334	*p = lookup_r[(*p & mask_r) >> sh_r] |
1570	lookup_g[(*p & 0x00ff00) >> 8] |	1335	lookup_g[(*p & mask_g) >> sh_g] |
1571	lookup_b[(*p & 0x0000ff)] |	1336	lookup_b[(*p & mask_b) >> sh_b];
1572	(*p & 0xff000000);	1337	p++;
1573	}	1338	}
1574	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1339	line += ximage->bytes_per_line;
1575	}	1340	}
1576	}	1341	}
1577	else	1342	else
1578	{	1343	{
1579	for (int y = 0; y < ximage->height; y++)	1344	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1352	}
1588	}	1353	}
1589		1354
1590	free (lookup);	1355	free (lookup);
1591	}	1356	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1357	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines