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 1.153 by sf-exg, Sun May 8 21:07:43 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF
77	if (pixbuf)
78	g_object_unref (pixbuf);
79	#endif
80
81	if (bg_pixmap)	63	if (bg_pixmap)
82	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
83	}	65	}
84		66
85	bool	67	bool
…		…
103	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
104	return true;	86	return true;
105	# endif	87	# endif
106		88
107	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
108	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
109	{	91	{
110	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)
111	return true;	95	return true;
112	}	96	}
113	# endif	97	# endif
114		98
115	return false;	99	return false;
…		…
122	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
123	return true;	107	return true;
124	# endif	108	# endif
125		109
126	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
127	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
128	{	112	{
129	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
130	return true;	114	return true;
131	}	115	}
132	# endif	116	# endif
133		117
134	return false;	118	return false;
135	}	119	}
136		120
137	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	122	static inline int
173	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
174	{	124	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
179	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	127	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	129	else
183	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	131	}
186		132
187	static inline int	133	static inline int
188	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)
189	{	135	{
…		…
195	src_pos = -pos;	141	src_pos = -pos;
196	dst_pos = 0;	142	dst_pos = 0;
197	dst_size += pos;	143	dst_size += pos;
198	}	144	}
199		145
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	147	return src_pos;
203	}	148	}
204		149
205	bool	150	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
207	{	152	{
208	bool changed = false;	153	bool changed = false;
209	int geom_flags = 0;	154	int geom_flags = 0;
210	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
211	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
212	unsigned int n;	158	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	159	unsigned long new_flags = 0;
214	const char *ops;
215		160
216	if (geom == NULL)	161	if (geom == NULL)
217	return false;	162	return false;
218		163
219	char str[256];	164	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	165	{
236	/* we have geometry string - let's handle it prior to applying ops */	166	char **arr = rxvt_strsplit (':', geom);
		167
		168	for (int i = 0; arr[i]; i++)
		169	{
		170	if (!strcasecmp (arr[i], "style=tiled"))
		171	{
		172	new_flags = IM_TILE;
		173	w = h = noScale;
		174	x = y = 0;
		175	geom_flags = WidthValue|HeightValue|XValue|YValue;
		176	}
		177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		178	{
		179	new_flags = IM_KEEP_ASPECT;
		180	w = h = windowScale;
		181	x = y = centerAlign;
		182	geom_flags = WidthValue|HeightValue|XValue|YValue;
		183	}
		184	else if (!strcasecmp (arr[i], "style=stretched"))
		185	{
		186	new_flags = 0;
		187	w = h = windowScale;
		188	geom_flags = WidthValue|HeightValue;
		189	}
		190	else if (!strcasecmp (arr[i], "style=centered"))
		191	{
		192	new_flags = 0;
		193	w = h = noScale;
		194	x = y = centerAlign;
		195	geom_flags = WidthValue|HeightValue|XValue|YValue;
		196	}
		197	else if (!strcasecmp (arr[i], "style=root-tiled"))
		198	{
		199	new_flags = IM_TILE|IM_ROOT_ALIGN;
		200	w = h = noScale;
		201	geom_flags = WidthValue|HeightValue;
		202	}
		203	else if (!strcasecmp (arr[i], "op=tile"))
		204	new_flags |= IM_TILE;
		205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		206	new_flags |= IM_KEEP_ASPECT;
		207	else if (!strcasecmp (arr[i], "op=root-align"))
		208	new_flags |= IM_ROOT_ALIGN;
		209
		210	// deprecated
		211	else if (!strcasecmp (arr[i], "tile"))
		212	{
		213	new_flags |= IM_TILE;
		214	w = h = noScale;
		215	geom_flags |= WidthValue|HeightValue;
		216	}
		217	else if (!strcasecmp (arr[i], "propscale"))
		218	{
		219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
		222	}
		223	else if (!strcasecmp (arr[i], "hscale"))
		224	{
		225	new_flags |= IM_TILE;
		226	w = windowScale;
		227	h = noScale;
		228	geom_flags |= WidthValue|HeightValue;
		229	}
		230	else if (!strcasecmp (arr[i], "vscale"))
		231	{
		232	new_flags |= IM_TILE;
		233	h = windowScale;
		234	w = noScale;
		235	geom_flags |= WidthValue|HeightValue;
		236	}
		237	else if (!strcasecmp (arr[i], "scale"))
		238	{
		239	w = h = windowScale;
		240	geom_flags |= WidthValue|HeightValue;
		241	}
		242	else if (!strcasecmp (arr[i], "auto"))
		243	{
		244	w = h = windowScale;
		245	x = y = centerAlign;
		246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		247	}
		248	else if (!strcasecmp (arr[i], "root"))
		249	{
		250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
		251	w = h = noScale;
		252	geom_flags |= WidthValue|HeightValue;
		253	}
		254
		255	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	257	} /* done parsing ops */
		258
		259	rxvt_free_strsplit (arr);
		260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
239		263
240	if (!update)	264	if (!update)
241	{	265	{
242	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	272	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
250	h = w;	274	h = w;
251	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
252	w = h;	276	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	277	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		278
261	for (int i = 0; arr[i]; i++)	279	min_it (w, 1000);
262	{	280	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	281	clamp_it (x, -100, 200);
264	{	282	clamp_it (y, -100, 200);
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		283
276	h = noScale;	284	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	285	|| h_scale != w
278	}	286	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	287	|| h_align != x
280	{	288	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}	289	{
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{
317	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
318	changed = true;	295	changed = true;
319	}	296	}
320		297
		298	if (!(flags & IM_TILE)
		299	|| h_scale || v_scale
		300	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		301	flags |= IM_IS_SIZE_SENSITIVE;
		302	else
		303	flags &= ~IM_IS_SIZE_SENSITIVE;
		304
321	return changed;	305	return changed;
322	}	306	}
323		307
324	void	308	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
327	int target_width = szHint.width;	313	int target_width = szHint.width;
328	int target_height = szHint.height;	314	int target_height = szHint.height;
329		315
330	if (bg_flags & BG_PROP_SCALE)	316	w = image.h_scale * target_width / 100;
		317	h = image.v_scale * target_height / 100;
		318
		319	if (image.flags & IM_KEEP_ASPECT)
331	{	320	{
332	float scale = (float)target_width / image_width;	321	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	322	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
336	}	325	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		326
343	if (!w) w = image_width;	327	if (!w) w = image_width;
344	if (!h) h = image_height;	328	if (!h) h = image_height;
345		329
346	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
347	{	331	{
348	x = -target_x;	332	x = -target_x;
349	y = -target_y;	333	y = -target_y;
350	}	334	}
351	else	335	else
352	{	336	{
353	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
355	}
356
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;
362	}
363
364	# ifdef HAVE_AFTERIMAGE
365	bool
366	rxvt_term::render_image (unsigned long tr_flags)
367	{
368	init_asv ();
369
370	ASImage *background = NULL;
371	ARGB32 background_tint = TINT_LEAVE_SAME;
372
373	# ifdef ENABLE_TRANSPARENCY
374	if (tr_flags)
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
376
377	if (tr_flags & BG_NEEDS_TINT)
378	{	339	}
379	ShadingInfo as_shade;	340	}
380	as_shade.shading = shade;
381		341
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
383	if (bg_flags & BG_TINT_SET)	343	bool
384	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
385	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
386	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
387	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
388		356
389	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	#if XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 || height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
390	}	391	{
391		392	XDestroyImage (ximage);
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
393	{	394	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
396	100, ASIMAGE_QUALITY_DEFAULT);	397
397	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char *pixel = row + x * channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
398	{	422	{
399	destroy_asimage (&background);	423	a = pixel[3];
400	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	| ((g >> (8 - width_g)) << sh_g)
		438	| ((b >> (8 - width_b)) << sh_b)
		439	| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
401	}	445	}
402	}
403	# endif
404		446
405	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
406		473
407	int target_width = szHint.width;	474	int target_width = szHint.width;
408	int target_height = szHint.height;	475	int target_height = szHint.height;
409	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
412	int x = 0;	479	int x = 0;
413	int y = 0;	480	int y = 0;
414	int w = 0;	481	int w = 0;
415	int h = 0;	482	int h = 0;
416		483
417	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		485
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);
710
711	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
712	&& (x >= target_width	487	&& (x >= target_width
713	|| y >= target_height	488	|| y >= target_height
714	|| (x + w <= 0)	489	|| x + w <= 0
715	|| (y + h <= 0)))	490	|| y + h <= 0))
716	return false;	491	return false;
717		492
718	result = pixbuf;	493	result = pixbuf;
719		494
720	if ((w != image_width)	495	if (w != image_width
721	|| (h != image_height))	496	|| h != image_height)
722	{	497	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	498	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	499	w, h,
725	GDK_INTERP_BILINEAR);	500	GDK_INTERP_BILINEAR);
726	}	501	}
…		…
730		505
731	bool ret = false;	506	bool ret = false;
732		507
733	XGCValues gcv;	508	XGCValues gcv;
734	GC gc;	509	GC gc;
735	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
736		511
737	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
739		514
740	if (tr_flags)	515	if (need_blend)
741	{	516	{
742	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
743	bg_pixmap = None;	518	bg_pixmap = None;
744	}	519	}
745	else	520	else
746	{	521	{
747	if (h_scale == 0 || v_scale == 0)	522	if (image.flags & IM_TILE)
748	{	523	{
749	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
751	}	526	}
752	}	527	}
…		…
760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	535	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
761	bg_pmap_width = new_pmap_width;	536	bg_pmap_width = new_pmap_width;
762	bg_pmap_height = new_pmap_height;	537	bg_pmap_height = new_pmap_height;
763	}	538	}
764		539
765	if (bg_pixmap != None)
766	{
767	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
769		542
770	if (gc)	543	if (gc)
771	{	544	{
772	if (h_scale == 0 || v_scale == 0)	545	if (image.flags & IM_TILE)
773	{	546	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
775
776	if (tile != None)
777	{
778	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
779	0, 0,	549	0, 0,
780	0, 0,	550	0, 0,
781	image_width, image_height);	551	image_width, image_height);
782		552
783	gcv.tile = tile;	553	gcv.tile = tile;
784	gcv.fill_style = FillTiled;	554	gcv.fill_style = FillTiled;
785	gcv.ts_x_origin = x;	555	gcv.ts_x_origin = x;
786	gcv.ts_y_origin = y;	556	gcv.ts_y_origin = y;
787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	557	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
788		558
789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	559	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
790	XFreePixmap (dpy, tile);	560	XFreePixmap (dpy, tile);
791	}
792	}	561	}
793	else	562	else
794	{	563	{
795	int src_x, src_y, dst_x, dst_y;	564	int src_x, src_y, dst_x, dst_y;
796	int dst_width, dst_height;	565	int dst_width, dst_height;
797		566
798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );	567	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	568	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
800		569
801	if (dst_x > 0 || dst_y > 0	570	if (dst_x > 0 || dst_y > 0
802	|| dst_x + dst_width < new_pmap_width	571	|| dst_x + dst_width < new_pmap_width
803	|| dst_y + dst_height < new_pmap_height)	572	|| dst_y + dst_height < new_pmap_height)
804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
805		574
806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
807	pixbuf_to_pixmap (result, bg_pixmap, gc,	576	pixbuf_to_pixmap (result, bg_pixmap, gc,
808	src_x, src_y,	577	src_x, src_y,
809	dst_x, dst_y,	578	dst_x, dst_y,
810	dst_width, dst_height);	579	dst_width, dst_height);
811	}	580	}
812		581
813	#if XRENDER	582	#if XRENDER
814	if (tr_flags)	583	if (need_blend)
815	{	584	{
816	XRenderPictureAttributes pa;
817
818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
820		588
821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
823		590
824	pa.repeat = True;	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
828	XFreePixmap (dpy, mask_pmap);
829		592
830	if (src && dst && mask)
831	{
832	XRenderColor mask_c;	593	XRenderColor mask_c;
833		594
834	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
835	mask_c.red = 0;	596	mask_c.red =
836	mask_c.green = 0;	597	mask_c.green =
837	mask_c.blue = 0;	598	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840	}
841		602
842	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
845	}	606	}
846	#endif	607	#endif
847		608
848	XFreeGC (dpy, gc);	609	XFreeGC (dpy, gc);
849		610
850	ret = true;	611	ret = true;
851	}
852	}	612	}
853		613
854	if (result != pixbuf)	614	if (result != pixbuf)
855	g_object_unref (result);	615	g_object_unref (result);
856		616
857	if (tr_flags)	617	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
859		619
860	return ret;	620	return ret;
861	}	621	}
862	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
863		623
864	bool	624	bool
865	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
866	{	626	{
867	if (!file || !*file)	627	if (!file || !*file)
868	return false;	628	return false;
869		629
		630	bool ret = false;
870	if (const char *p = strchr (file, ';'))	631	const char *p = strchr (file, ';');
		632
		633	if (p)
871	{	634	{
872	size_t len = p - file;	635	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	636	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	637	memcpy (f, file, len);
875	f[len] = '\0';	638	f[len] = '\0';
876	file = f;	639	file = f;
877	}	640	}
878		641
879	# ifdef HAVE_AFTERIMAGE
880	if (!asimman)
881	asimman = create_generic_imageman (rs[Rs_path]);
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
883	if (image)
884	{
885	if (original_asim)
886	safe_asimage_destroy (original_asim);
887	original_asim = image;
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
889	return true;
890	}
891	# endif
892
893	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	644	if (image)
896	{	645	{
897	if (pixbuf)	646	if (pixbuf)
898	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
899	pixbuf = image;	648	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	649	ret = true;
902	}	650	}
903	# endif	651	# endif
904		652
		653	if (ret)
		654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
		659	if (p)
		660	set_geometry (p + 1);
		661	}
		662
905	return false;	663	return ret;
906	}	664	}
907		665
908	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
909		667
910	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
911	bool
912	rxvt_term::bg_set_transparent ()
913	{
914	if (!(bg_flags & BG_IS_TRANSPARENT))
915	{
916	bg_flags |= BG_IS_TRANSPARENT;
917	return true;
918	}
919
920	return false;
921	}
922
923	bool	669	bool
924	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
925	{	671	{
926	bool changed = false;	672	bool changed = false;
927	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
946	{	692	{
947	changed = true;	693	changed = true;
948	v_blurRadius = vr;	694	v_blurRadius = vr;
949	}	695	}
950		696
951	if (v_blurRadius == 0 && h_blurRadius == 0)
952	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955
956	return changed;	697	return changed;
957	}	698	}
958		699
959	void	700	bool
960	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
961	{	702	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
963	bool has_shade = shade != 100;	704	{
964		705	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	706	bg_flags |= BG_TINT_SET;
966		707
967	if (bg_flags & BG_TINT_SET)	708	rgba c;
968	{
969	tint.get (c);	709	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)	710	if ((c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)	711	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))	712	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;	713	bg_flags |= BG_TINT_BITAND;
975	}	714	else
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
983	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
985	{
986	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
988	set_tint_shade_flags ();	716
989	return true;	717	return true;
990	}	718	}
991		719
992	return false;	720	return false;
993	}	721	}
994		722
995	bool	723	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	724	rxvt_term::bg_set_shade (const char *shade_str)
997	{	725	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	726	int new_shade = atoi (shade_str);
999		727
1000	clamp_it (new_shade, -100, 200);	728	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	729	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
1003		731
1004	if (new_shade != shade)	732	if (new_shade != shade)
1005	{	733	{
1006	shade = new_shade;	734	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	735	return true;
1009	}	736	}
1010		737
1011	return false;	738	return false;
1012	}	739	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	761	}
1035	#endif	762	#endif
1036		763
1037	bool	764	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1039	{	766	{
1040	bool ret = false;	767	bool ret = false;
1041	#if XRENDER	768	#if XRENDER
		769	if (!(bg_flags & BG_HAS_RENDER_CONV))
		770	return false;
		771
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	772	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	773	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		775
1046	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		778
		779	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1051		784
1052	if (kernel && params && src && dst)	785	if (kernel && params)
1053	{	786	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		789
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1061	PictOpSrc,	792	PictOpSrc,
1062	src,	793	src,
1063	None,	794	None,
1064	dst,	795	dst,
1065	0, 0,	796	0, 0,
1066	0, 0,	797	0, 0,
1067	0, 0,	798	0, 0,
1068	width, height);	799	width, height);
1069	}
1070		800
1071	if (v_blurRadius)	801	::swap (src, dst);
1072	{	802
1073	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1076		806
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1079	PictOpSrc,	809	PictOpSrc,
1080	src,	810	src,
1081	None,	811	None,
1082	dst,	812	dst,
1083	0, 0,	813	0, 0,
1084	0, 0,	814	0, 0,
1085	0, 0,	815	0, 0,
1086	width, height);	816	width, height);
1087	}
1088		817
1089	ret = true;	818	ret = true;
1090	}	819	}
1091		820
1092	free (kernel);	821	free (kernel);
…		…
1096	#endif	825	#endif
1097	return ret;	826	return ret;
1098	}	827	}
1099		828
1100	bool	829	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1102	{	831	{
1103	bool ret = false;	832	bool ret = false;
1104		833
1105	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	835	{
1107	XGCValues gcv;	836	XGCValues gcv;
1108	GC gc;	837	GC gc;
1109		838
1110	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	848	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	849	ret = true;
1121	XFreeGC (dpy, gc);	850	XFreeGC (dpy, gc);
1122	}	851	}
1123	}	852	}
1124	else
1125	{
1126	# if XRENDER	853	# if XRENDER
		854	else if (bg_flags & BG_HAS_RENDER)
		855	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		857
1129	if (bg_flags & BG_TINT_SET)	858	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	859	tint.get (c);
1131		860
…		…
1140	c.r = c.r * (200 - shade) / 100;	869	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1143	}	872	}
1144		873
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		875
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		877
1151	pa.repeat = True;	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		879
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	880	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156		881
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161
1162	if (mask_pic && overlay_pic && back_pic)
1163	{
1164	XRenderColor mask_c;	882	XRenderColor mask_c;
1165		883
1166	mask_c.alpha = 0xffff;	884	mask_c.alpha = 0xffff;
		885	mask_c.red =
		886	mask_c.green =
		887	mask_c.blue = 0;
		888	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		889
		890	mask_c.alpha = 0;
		891	mask_c.red = 0xffff - c.r;
		892	mask_c.green = 0xffff - c.g;
		893	mask_c.blue = 0xffff - c.b;
		894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
		896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		897
		898	if (shade > 100)
		899	{
		900	mask_c.alpha = 0;
1167	mask_c.red =	901	mask_c.red =
1168	mask_c.green =	902	mask_c.green =
1169	mask_c.blue = 0;	903	mask_c.blue = 0xffff * (shade - 100) / 100;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171		905
1172	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178
1179	if (shade > 100)
1180	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}
1187
1188	ret = true;
1189	}	907	}
		908
		909	ret = true;
1190		910
1191	XRenderFreePicture (dpy, mask_pic);	911	XRenderFreePicture (dpy, mask_pic);
1192	XRenderFreePicture (dpy, overlay_pic);	912	XRenderFreePicture (dpy, overlay_pic);
1193	XRenderFreePicture (dpy, back_pic);	913	XRenderFreePicture (dpy, back_pic);
		914	}
1194	# endif	915	# endif
1195	}
1196		916
1197	return ret;	917	return ret;
1198	}	918	}
1199		919
1200	/*	920	/*
1201	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1202	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1203	* our window.	923	* our window.
1204	*/	924	*/
1205	unsigned long	925	bool
1206	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1207	{	927	{
1208	unsigned long result = 0;	928	bool ret = false;
1209		929
1210	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1211	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1212	*/	932	*/
1213	int screen = display->screen;	933	int screen = display->screen;
…		…
1251	#if XRENDER	971	#if XRENDER
1252	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1253	{	973	{
1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1255		975
1256	if (recoded_root_pmap != None)
1257	{
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		978
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		981
1266	if (src && dst)
1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1268	else
1269	{
1270	XFreePixmap (dpy, recoded_root_pmap);
1271	recoded_root_pmap = None;
1272	}
1273		983
1274	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1275	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
1276	}
1277	}	986	}
1278	else	987	else
1279	#endif	988	#endif
1280	recoded_root_pmap = None;	989	recoded_root_pmap = None;
1281	}	990	}
…		…
1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1001	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1293	bg_pmap_width = window_width;	1002	bg_pmap_width = window_width;
1294	bg_pmap_height = window_height;	1003	bg_pmap_height = window_height;
1295	}	1004	}
1296		1005
1297	if (bg_pixmap != None)
1298	{
1299	/* straightforward pixmap copy */	1006	/* straightforward pixmap copy */
1300	while (sx < 0) sx += root_width;	1007	while (sx < 0) sx += root_pmap_width;
1301	while (sy < 0) sy += root_height;	1008	while (sy < 0) sy += root_pmap_height;
1302		1009
1303	gcv.tile = recoded_root_pmap;	1010	gcv.tile = recoded_root_pmap;
1304	gcv.fill_style = FillTiled;	1011	gcv.fill_style = FillTiled;
1305	gcv.ts_x_origin = -sx;	1012	gcv.ts_x_origin = -sx;
1306	gcv.ts_y_origin = -sy;	1013	gcv.ts_y_origin = -sy;
1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1308		1015
1309	if (gc)	1016	if (gc)
1310	{	1017	{
1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
1313	XFreeGC (dpy, gc);	1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1314		1022
1315	if (!(bg_flags & BG_CLIENT_RENDER))	1023	if (!(bg_flags & BG_CLIENT_RENDER))
		1024	{
		1025	if (need_blur)
		1026	{
		1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
1316	{	1029	}
1317	if ((bg_flags & BG_NEEDS_BLUR)	1030	if (need_tint)
1318	&& (bg_flags & BG_HAS_RENDER_CONV))	1031	{
		1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1033	need_tint = false;
		1034	}
		1035	if (need_tint)
		1036	{
		1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1038	if (ximage)
1319	{	1039	{
1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1040	/* our own client-side tinting */
1321	result &= ~BG_NEEDS_BLUR;	1041	tint_ximage (ximage);
		1042
		1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1044	XDestroyImage (ximage);
1322	}	1045	}
1323	if ((bg_flags & BG_NEEDS_TINT)
1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1325	{
1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_TINT;
1328	}	1046	}
1329	} /* server side rendering completed */	1047	} /* server side rendering completed */
1330	}	1048
		1049	XFreeGC (dpy, gc);
1331	}	1050	}
1332		1051
1333	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1334	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1335		1054
1336	return result;	1055	return ret;
1337	}	1056	}
1338		1057
1339	void	1058	void
1340	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1341	{	1060	{
…		…
1345		1064
1346	root_pixmap = new_root_pixmap;	1065	root_pixmap = new_root_pixmap;
1347	}	1066	}
1348	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1349		1068
1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1352	# endif
1353
1354	bool	1069	bool
1355	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1356	{	1071	{
1357	unsigned long tr_flags = 0;
1358
1359	bg_invalidate ();	1072	bg_invalidate ();
1360	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1361	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1362	{	1075	{
1363	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1364	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1365	if (tr_flags == 0)
1366	return false;
1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1368	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1369	}	1079	}
1370	# endif	1080	# endif
1371		1081
1372	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1373	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1375	{	1084	{
1376	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1377	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1378	}
1379	# endif
1380
1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1382	XImage *result = NULL;
1383
1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
1385	{
1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1387	}
1388
1389	if (result)
1390	{
1391	/* our own client-side tinting */
1392	if (tr_flags & BG_NEEDS_TINT)
1393	{
1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1395	if (bg_flags & BG_TINT_SET)
1396	tint.get (c);
1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1398	}
1399
1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1401
1402	if (gc)
1403	{
1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1405
1406	XFreeGC (dpy, gc);
1407	bg_flags |= BG_IS_VALID;
1408	}
1409
1410	XDestroyImage (result);
1411	}	1087	}
1412	# endif	1088	# endif
1413		1089
1414	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1415	{	1091	{
…		…
1452	#endif	1128	#endif
1453	}	1129	}
1454		1130
1455	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1456		1132
1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1458	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1459		1135
1460	static void	1136	static inline void
1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1462	{	1138	{
		1139	for (int i = 0; i <= mask >> sh; i++)
		1140	{
		1141	uint32_t tmp;
		1142	tmp = i * high;
		1143	tmp += (mask >> sh) * low;
		1144	lookup[i] = (tmp / 0xffff) << sh;
		1145	}
		1146	}
		1147
		1148	void
		1149	rxvt_term::tint_ximage (XImage *ximage)
		1150	{
		1151	unsigned int size_r, size_g, size_b;
1463	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1464	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1466	rgba low;	1155	unsigned short low;
1467	rgba high;
1468	int i;
1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1470		1157
1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1472		1159
1473	/* for convenience */	1160	/* for convenience */
1474	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1475	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1476	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1477		1164
1478	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1479	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1480	{	1167	sh_g = ecb_ctz32 (mask_g);
1481	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1482	if ((mask_r != 0x7c00) ||	1169
1483	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1484	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1485	return;	1175	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1176
		1177	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1487	lookup_r = lookup;	1178	lookup_r = lookup;
1488	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1489	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1490	sh_r = 10;	1181
1491	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1492	sh_b = 0;	1183
1493	break;	1184	if (bg_flags & BG_TINT_SET)
1494	case 16:	1185	tint.get (c);
1495	if ((mask_r != 0xf800) ||
1496	(mask_g != 0x07e0) ||
1497	(mask_b != 0x001f))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1500	lookup_r = lookup;
1501	lookup_g = lookup+32;
1502	lookup_b = lookup+32+64;
1503	sh_r = 11;
1504	sh_g = 5;
1505	sh_b = 0;
1506	break;
1507	case 24:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	case 32:
1521	if ((mask_r != 0xff0000) ||
1522	(mask_g != 0x00ff00) ||
1523	(mask_b != 0x0000ff))
1524	return;
1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1526	lookup_r = lookup;
1527	lookup_g = lookup+256;
1528	lookup_b = lookup+256+256;
1529	sh_r = 16;
1530	sh_g = 8;
1531	sh_b = 0;
1532	break;
1533	default:
1534	return; /* we do not support this color depth */
1535	}
1536		1186
1537	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1538	if (shade > 100)	1188	if (shade > 100)
1539	{	1189	{
1540	shade = 200 - shade;
1541
1542	high.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;
1545
1546	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1547	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1548	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1549	}	1195	}
1550	else	1196	else
1551	{	1197	{
1552	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1553	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1554	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1555		1201
1556	low.r = low.g = low.b = 0;	1202	low = 0;
1557	}	1203	}
1558		1204
1559	/* fill our lookup tables */	1205	/* fill our lookup tables */
1560	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1561	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1562	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1563	tmp = i * high.r;
1564	tmp += (mask_r>>sh_r) * low.r;
1565	lookup_r[i] = (tmp/65535)<<sh_r;
1566	}
1567	for (i = 0; i <= mask_g>>sh_g; i++)
1568	{
1569	uint32_t tmp;
1570	tmp = i * high.g;
1571	tmp += (mask_g>>sh_g) * low.g;
1572	lookup_g[i] = (tmp/65535)<<sh_g;
1573	}
1574	for (i = 0; i <= mask_b>>sh_b; i++)
1575	{
1576	uint32_t tmp;
1577	tmp = i * high.b;
1578	tmp += (mask_b>>sh_b) * low.b;
1579	lookup_b[i] = (tmp/65535)<<sh_b;
1580	}
1581		1209
1582	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1583	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1584	&& (ximage->depth == 24 || ximage->depth == 32)
1585	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1586	{	1213	{
1587	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1588	p1 = (uint32_t *) ximage->data;
1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1590		1215
1591	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1592	{
1593	p = p1;
1594	pl = p1 + ximage->width;
1595	for (; p < pl; p++)
1596	{	1217	{
1597	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1598	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1599	lookup_b[(*p & 0x0000ff)] |
1600	(*p & 0xff000000);
1601	}	1220	{
1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1221	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1222	lookup_g[(*p & mask_g) >> sh_g] |
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1603	}	1227	}
1604	}	1228	}
1605	else	1229	else
1606	{	1230	{
1607	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1615	}	1239	}
1616	}	1240	}
1617		1241
1618	free (lookup);	1242	free (lookup);
1619	}	1243	}
1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

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