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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.152 by sf-exg, Sun May 8 21:03:03 2011 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 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	clamp_it (x, -100, 200);
262	{	280	clamp_it (y, -100, 200);
263	if (!strcasecmp (arr[i], "tile"))
264	{
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		281
276	h = noScale;	282	if (flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	283	|| h_scale != w
278	}	284	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	285	|| h_align != x
280	{	286	|| 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	}	287	{
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;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
318	changed = true;	293	changed = true;
319	}	294	}
320		295
		296	if (!(flags & IM_TILE)
		297	|| h_scale || v_scale
		298	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		299	flags |= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
321	return changed;	303	return changed;
322	}	304	}
323		305
324	void	306	void
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
326	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
327	int target_width = szHint.width;	311	int target_width = szHint.width;
328	int target_height = szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
329		315
330	if (bg_flags & BG_PROP_SCALE)	316	w = h_scale * target_width / 100;
		317	h = 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, bool argb)
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 red_mask, green_mask, blue_mask, 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 (argb)
390	}	361	{
391		362	red_mask = 0xff << 16;
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
393	{	366	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	368	{
396	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
397	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 || height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char *pixel = row + x * channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
398	{	435	{
399	destroy_asimage (&background);	436	a = pixel[3];
400	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	| ((g >> (8 - width_g)) << sh_g)
		451	| ((b >> (8 - width_b)) << sh_b)
		452	| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
401	}	458	}
402	}
403	# endif
404		459
405	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
406		486
407	int target_width = szHint.width;	487	int target_width = szHint.width;
408	int target_height = szHint.height;	488	int target_height = szHint.height;
409	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
412	int x = 0;	492	int x = 0;
413	int y = 0;	493	int y = 0;
414	int w = 0;	494	int w = 0;
415	int h = 0;	495	int h = 0;
416		496
417	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		498
420	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width	500	&& (x >= target_width
423	|| y >= target_height	501	|| y >= target_height
424	|| (x + w <= 0)	502	|| x + w <= 0
425	|| (y + h <= 0))))	503	|| y + h <= 0))
		504	return false;
		505
		506	result = pixbuf;
		507
		508	if (w != image_width
		509	|| h != image_height)
		510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
426	{	514	}
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432		515
433	if (background_tint != TINT_LEAVE_SAME)	516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		530	else
		531	{
		532	if (image.flags & IM_TILE)
434	{	533	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
436	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}	536	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448		537
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	538	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
554	{	541	{
555	if (bg_pixmap)	542	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
560	}	547	}
561	/* fill with background color (if result's not completely overlapping it) */	548
		549	tmp_pixmap = bg_pixmap;
		550	}
		551
562	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
564		554
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;	555	if (gc)
566	int dst_width = result->width, dst_height = result->height;	556	{
567	if (background == NULL)	557	if (image.flags & IM_TILE)
		558	{
		559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
		560	pixbuf_to_pixmap (result, tile, gc,
		561	0, 0,
		562	0, 0,
		563	image_width, image_height, need_blend);
		564
		565	gcv.tile = tile;
		566	gcv.fill_style = FillTiled;
		567	gcv.ts_x_origin = x;
		568	gcv.ts_y_origin = y;
		569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
		570
		571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		572	XFreePixmap (dpy, tile);
568	{	573	}
569	if (!(h_scale == 0 || v_scale == 0))	574	else
570	{	575	{
		576	int src_x, src_y, dst_x, dst_y;
		577	int dst_width, dst_height;
		578
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );	579	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
573	}
574		581
575	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		586
		587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
		588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
		589	src_x, src_y,
		590	dst_x, dst_y,
		591	dst_width, dst_height, need_blend);
579	}	592	}
580		593
581	/* put result on pixmap */	594	#if XRENDER
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	595	if (need_blend)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);	596	{
		597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
		598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
584		599
585	if (result != background && result != original_asim)	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
586	destroy_asimage (&result);	601
		602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
		603
		604	Picture mask = create_xrender_mask (dpy, vt, False, False);
		605
		606	XRenderColor mask_c;
		607
		608	mask_c.alpha = 0x8000;
		609	mask_c.red =
		610	mask_c.green =
		611	mask_c.blue = 0;
		612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
		614	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
		615
		616	XRenderFreePicture (dpy, src);
		617	XRenderFreePicture (dpy, dst);
		618	XRenderFreePicture (dpy, mask);
		619	}
		620	#endif
587		621
588	XFreeGC (dpy, gc);	622	XFreeGC (dpy, gc);
589		623
590	ret = true;	624	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)
712	&& (x >= target_width
713	|| y >= target_height
714	|| (x + w <= 0)
715	|| (y + h <= 0)))
716	return false;
717
718	result = pixbuf;
719
720	if ((w != image_width)
721	|| (h != image_height))
722	{
723	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,
725	GDK_INTERP_BILINEAR);
726	}
727
728	if (!result)
729	return false;
730
731	bool ret = false;
732
733	XGCValues gcv;
734	GC gc;
735	Pixmap root_pmap;
736
737	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);
739
740	if (tr_flags)
741	{
742	root_pmap = bg_pixmap;
743	bg_pixmap = None;
744	}
745	else
746	{
747	if (h_scale == 0 || v_scale == 0)
748	{
749	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);
751	}
752	}
753
754	if (bg_pixmap == None
755	|| bg_pmap_width != new_pmap_width
756	|| bg_pmap_height != new_pmap_height)
757	{
758	if (bg_pixmap)
759	XFreePixmap (dpy, bg_pixmap);
760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
761	bg_pmap_width = new_pmap_width;
762	bg_pmap_height = new_pmap_height;
763	}
764
765	if (bg_pixmap != None)
766	{
767	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
769
770	if (gc)
771	{
772	if (h_scale == 0 || v_scale == 0)
773	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
775
776	if (tile != None)
777	{
778	pixbuf_to_pixmap (result, tile, gc,
779	0, 0,
780	0, 0,
781	image_width, image_height);
782
783	gcv.tile = tile;
784	gcv.fill_style = FillTiled;
785	gcv.ts_x_origin = x;
786	gcv.ts_y_origin = y;
787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
788
789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
790	XFreePixmap (dpy, tile);
791	}
792	}
793	else
794	{
795	int src_x, src_y, dst_x, dst_y;
796	int dst_width, dst_height;
797
798	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);
800
801	if (dst_x > 0 || dst_y > 0
802	|| dst_x + dst_width < new_pmap_width
803	|| dst_y + dst_height < new_pmap_height)
804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
805
806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
807	pixbuf_to_pixmap (result, bg_pixmap, gc,
808	src_x, src_y,
809	dst_x, dst_y,
810	dst_width, dst_height);
811	}
812
813	#if XRENDER
814	if (tr_flags)
815	{
816	XRenderPictureAttributes pa;
817
818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);
819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);
820
821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);
823
824	pa.repeat = True;
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
830	if (src && dst && mask)
831	{
832	XRenderColor mask_c;
833
834	mask_c.alpha = 0x8000;
835	mask_c.red = 0;
836	mask_c.green = 0;
837	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840	}
841
842	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);
845	}
846	#endif
847
848	XFreeGC (dpy, gc);
849
850	ret = true;
851	}
852	}	625	}
853		626
854	if (result != pixbuf)	627	if (result != pixbuf)
855	g_object_unref (result);	628	g_object_unref (result);
856		629
857	if (tr_flags)	630	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	631	XFreePixmap (dpy, tmp_pixmap);
859		632
860	return ret;	633	return ret;
861	}	634	}
862	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
863		636
864	bool	637	bool
865	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
866	{	639	{
867	if (!file || !*file)	640	if (!file || !*file)
868	return false;	641	return false;
869		642
		643	bool ret = false;
870	if (const char *p = strchr (file, ';'))	644	const char *p = strchr (file, ';');
		645
		646	if (p)
871	{	647	{
872	size_t len = p - file;	648	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	649	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	650	memcpy (f, file, len);
875	f[len] = '\0';	651	f[len] = '\0';
876	file = f;	652	file = f;
877	}	653	}
878		654
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	655	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	657	if (image)
896	{	658	{
897	if (pixbuf)	659	if (pixbuf)
898	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
899	pixbuf = image;	661	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;
901	return true;	662	ret = true;
902	}	663	}
903	# endif	664	# endif
904		665
		666	if (ret)
		667	{
		668	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
		672	if (p)
		673	set_geometry (p + 1);
		674	}
		675
905	return false;	676	return ret;
906	}	677	}
907		678
908	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
909		680
910	# ifdef ENABLE_TRANSPARENCY	681	# 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	682	bool
924	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
925	{	684	{
926	bool changed = false;	685	bool changed = false;
927	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
946	{	705	{
947	changed = true;	706	changed = true;
948	v_blurRadius = vr;	707	v_blurRadius = vr;
949	}	708	}
950		709
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;	710	return changed;
957	}	711	}
958		712
959	void	713	bool
960	rxvt_term::set_tint_shade_flags ()	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
961	{	715	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
963	bool has_shade = shade != 100;	717	{
964		718	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	719	bg_flags |= BG_TINT_SET;
966		720
967	if (bg_flags & BG_TINT_SET)	721	rgba c;
968	{
969	tint.get (c);	722	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)	723	if ((c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)	724	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))	725	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;	726	bg_flags |= BG_TINT_BITAND;
975	}	727	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;	728	bg_flags &= ~BG_TINT_BITAND;
988	set_tint_shade_flags ();	729
989	return true;	730	return true;
990	}	731	}
991		732
992	return false;	733	return false;
993	}	734	}
994		735
995	bool	736	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
997	{	738	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
999		740
1000	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	742	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
1003		744
1004	if (new_shade != shade)	745	if (new_shade != shade)
1005	{	746	{
1006	shade = new_shade;	747	shade = new_shade;
1007	set_tint_shade_flags ();
1008	return true;	748	return true;
1009	}	749	}
1010		750
1011	return false;	751	return false;
1012	}	752	}
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	774	}
1035	#endif	775	#endif
1036		776
1037	bool	777	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1039	{	779	{
1040	bool ret = false;	780	bool ret = false;
1041	#if XRENDER	781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		788
1046	XRenderPictureAttributes pa;	789	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		791
		792	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1051		797
1052	if (kernel && params && src && dst)	798	if (kernel && params)
1053	{	799	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		802
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1061	PictOpSrc,	805	PictOpSrc,
1062	src,	806	src,
1063	None,	807	None,
1064	dst,	808	dst,
1065	0, 0,	809	0, 0,
1066	0, 0,	810	0, 0,
1067	0, 0,	811	0, 0,
1068	width, height);	812	width, height);
1069	}
1070		813
1071	if (v_blurRadius)	814	::swap (src, dst);
1072	{	815
1073	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1076		819
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1079	PictOpSrc,	822	PictOpSrc,
1080	src,	823	src,
1081	None,	824	None,
1082	dst,	825	dst,
1083	0, 0,	826	0, 0,
1084	0, 0,	827	0, 0,
1085	0, 0,	828	0, 0,
1086	width, height);	829	width, height);
1087	}
1088		830
1089	ret = true;	831	ret = true;
1090	}	832	}
1091		833
1092	free (kernel);	834	free (kernel);
…		…
1096	#endif	838	#endif
1097	return ret;	839	return ret;
1098	}	840	}
1099		841
1100	bool	842	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1102	{	844	{
1103	bool ret = false;	845	bool ret = false;
1104		846
1105	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	848	{
1107	XGCValues gcv;	849	XGCValues gcv;
1108	GC gc;	850	GC gc;
1109		851
1110	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	862	ret = true;
1121	XFreeGC (dpy, gc);	863	XFreeGC (dpy, gc);
1122	}	864	}
1123	}	865	}
1124	else
1125	{
1126	# if XRENDER	866	# if XRENDER
		867	else if (bg_flags & BG_HAS_RENDER)
		868	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		870
1129	if (bg_flags & BG_TINT_SET)	871	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	872	tint.get (c);
1131		873
…		…
1140	c.r = c.r * (200 - shade) / 100;	882	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	883	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	884	c.b = c.b * (200 - shade) / 100;
1143	}	885	}
1144		886
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		888
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		890
1151	pa.repeat = True;	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		892
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	893	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		894
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;	895	XRenderColor mask_c;
1165		896
1166	mask_c.alpha = 0xffff;	897	mask_c.alpha = 0xffff;
		898	mask_c.red =
		899	mask_c.green =
		900	mask_c.blue = 0;
		901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		902
		903	mask_c.alpha = 0;
		904	mask_c.red = 0xffff - c.r;
		905	mask_c.green = 0xffff - c.g;
		906	mask_c.blue = 0xffff - c.b;
		907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
		909	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		910
		911	if (shade > 100)
		912	{
		913	mask_c.alpha = 0;
1167	mask_c.red =	914	mask_c.red =
1168	mask_c.green =	915	mask_c.green =
1169	mask_c.blue = 0;	916	mask_c.blue = 0xffff * (shade - 100) / 100;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171		918
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);	919	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}
1187
1188	ret = true;
1189	}	920	}
		921
		922	ret = true;
1190		923
1191	XRenderFreePicture (dpy, mask_pic);	924	XRenderFreePicture (dpy, mask_pic);
1192	XRenderFreePicture (dpy, overlay_pic);	925	XRenderFreePicture (dpy, overlay_pic);
1193	XRenderFreePicture (dpy, back_pic);	926	XRenderFreePicture (dpy, back_pic);
		927	}
1194	# endif	928	# endif
1195	}
1196		929
1197	return ret;	930	return ret;
1198	}	931	}
1199		932
1200	/*	933	/*
1201	* Builds a pixmap of the same size as the terminal window that contains	934	* 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	935	* the tiled portion of the root pixmap that is supposed to be covered by
1203	* our window.	936	* our window.
1204	*/	937	*/
1205	unsigned long	938	bool
1206	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1207	{	940	{
1208	unsigned long result = 0;	941	bool ret = false;
1209		942
1210	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1211	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1212	*/	945	*/
1213	int screen = display->screen;	946	int screen = display->screen;
…		…
1251	#if XRENDER	984	#if XRENDER
1252	if (bg_flags & BG_HAS_RENDER)	985	if (bg_flags & BG_HAS_RENDER)
1253	{	986	{
1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	987	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1255		988
1256	if (recoded_root_pmap != None)
1257	{
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		991
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		994
1266	if (src && dst)
1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	995	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		996
1274	XRenderFreePicture (dpy, src);	997	XRenderFreePicture (dpy, src);
1275	XRenderFreePicture (dpy, dst);	998	XRenderFreePicture (dpy, dst);
1276	}
1277	}	999	}
1278	else	1000	else
1279	#endif	1001	#endif
1280	recoded_root_pmap = None;	1002	recoded_root_pmap = None;
1281	}	1003	}
…		…
1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1014	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1293	bg_pmap_width = window_width;	1015	bg_pmap_width = window_width;
1294	bg_pmap_height = window_height;	1016	bg_pmap_height = window_height;
1295	}	1017	}
1296		1018
1297	if (bg_pixmap != None)
1298	{
1299	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
1300	while (sx < 0) sx += (int)root_width;	1020	while (sx < 0) sx += root_pmap_width;
1301	while (sy < 0) sy += (int)root_height;	1021	while (sy < 0) sy += root_pmap_height;
1302		1022
1303	gcv.tile = recoded_root_pmap;	1023	gcv.tile = recoded_root_pmap;
1304	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1305	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1306	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1308		1028
1309	if (gc)	1029	if (gc)
1310	{	1030	{
1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1032	ret = true;
1313	XFreeGC (dpy, gc);	1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1314		1035
1315	if (!(bg_flags & BG_CLIENT_RENDER))	1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (need_blur)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1041	need_blur = false;
1316	{	1042	}
1317	if ((bg_flags & BG_NEEDS_BLUR)	1043	if (need_tint)
1318	&& (bg_flags & BG_HAS_RENDER_CONV))	1044	{
		1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1046	need_tint = false;
		1047	}
		1048	if (need_tint)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
1319	{	1052	{
1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1053	/* our own client-side tinting */
1321	result &= ~BG_NEEDS_BLUR;	1054	tint_ximage (ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
1322	}	1058	}
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	}	1059	}
1329	} /* server side rendering completed */	1060	} /* server side rendering completed */
1330	}	1061
		1062	XFreeGC (dpy, gc);
1331	}	1063	}
1332		1064
1333	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1334	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1335		1067
1336	return result;	1068	return ret;
1337	}	1069	}
1338		1070
1339	void	1071	void
1340	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1341	{	1073	{
…		…
1345		1077
1346	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1347	}	1079	}
1348	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1349		1081
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	1082	bool
1355	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1356	{	1084	{
1357	unsigned long tr_flags = 0;
1358
1359	bg_invalidate ();	1085	bg_invalidate ();
1360	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1361	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1362	{	1088	{
1363	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1364	tr_flags = make_transparency_pixmap ();	1090	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;	1091	bg_flags |= BG_IS_VALID;
1369	}	1092	}
1370	# endif	1093	# endif
1371		1094
1372	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1373	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1375	{	1097	{
1376	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1377	bg_flags |= BG_IS_VALID;	1099	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	}	1100	}
1412	# endif	1101	# endif
1413		1102
1414	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
1415	{	1104	{
…		…
1452	#endif	1141	#endif
1453	}	1142	}
1454		1143
1455	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1456		1145
1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1458	/* taken from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1459		1148
1460	static void	1149	static inline void
1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1462	{	1151	{
		1152	for (int i = 0; i <= mask >> sh; i++)
		1153	{
		1154	uint32_t tmp;
		1155	tmp = i * high;
		1156	tmp += (mask >> sh) * low;
		1157	lookup[i] = (tmp / 0xffff) << sh;
		1158	}
		1159	}
		1160
		1161	void
		1162	rxvt_term::tint_ximage (XImage *ximage)
		1163	{
		1164	unsigned int size_r, size_g, size_b;
1463	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1464	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1466	rgba low;	1168	unsigned short low;
1467	rgba high;
1468	int i;
1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1470		1170
1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1171	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1472		1172
1473	/* for convenience */	1173	/* for convenience */
1474	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1475	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1476	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1477		1177
1478	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1479	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1480	{	1180	sh_g = ecb_ctz32 (mask_g);
1481	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1482	if ((mask_r != 0x7c00) ||	1182
1483	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1484	(mask_b != 0x001f))	1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1485	return;	1188	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1189
		1190	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1487	lookup_r = lookup;	1191	lookup_r = lookup;
1488	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1489	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1490	sh_r = 10;	1194
1491	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1492	sh_b = 0;	1196
1493	break;	1197	if (bg_flags & BG_TINT_SET)
1494	case 16:	1198	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		1199
1537	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1538	if (shade > 100)	1201	if (shade > 100)
1539	{	1202	{
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;	1203	c.r = c.r * (200 - shade) / 100;
1547	low.g = 65535 * (100 - shade) / 100;	1204	c.g = c.g * (200 - shade) / 100;
1548	low.b = 65535 * (100 - shade) / 100;	1205	c.b = c.b * (200 - shade) / 100;
		1206
		1207	low = 0xffff * (shade - 100) / 100;
1549	}	1208	}
1550	else	1209	else
1551	{	1210	{
1552	high.r = c.r * shade / 100;	1211	c.r = c.r * shade / 100;
1553	high.g = c.g * shade / 100;	1212	c.g = c.g * shade / 100;
1554	high.b = c.b * shade / 100;	1213	c.b = c.b * shade / 100;
1555		1214
1556	low.r = low.g = low.b = 0;	1215	low = 0;
1557	}	1216	}
1558		1217
1559	/* fill our lookup tables */	1218	/* fill our lookup tables */
1560	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1561	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1562	uint32_t tmp;	1221	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		1222
1582	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1583	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1584	&& (ximage->depth == 24 || ximage->depth == 32)
1585	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1586	{	1226	{
1587	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1588	p1 = (uint32_t *) ximage->data;
1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1590		1228
1591	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1592	{
1593	p = p1;
1594	pl = p1 + ximage->width;
1595	for (; p < pl; p++)
1596	{	1230	{
1597	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1598	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1599	lookup_b[(*p & 0x0000ff)] |
1600	(*p & 0xff000000);
1601	}	1233	{
1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1234	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1235	lookup_g[(*p & mask_g) >> sh_g] |
		1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1603	}	1240	}
1604	}	1241	}
1605	else	1242	else
1606	{	1243	{
1607	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1615	}	1252	}
1616	}	1253	}
1617		1254
1618	free (lookup);	1255	free (lookup);
1619	}	1256	}
1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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