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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.147 by root, Mon Feb 21 07:40:59 2011 UTC vs.
Revision 1.214 by sf-exg, Thu May 17 10:18:32 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, bool transparent)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	if (transparent
		464	&& !(bg_flags & BG_HAS_RENDER))
		465	return false;
		466
		467	GdkPixbuf *result;
		468
		469	int image_width = gdk_pixbuf_get_width (pixbuf);
		470	int image_height = gdk_pixbuf_get_height (pixbuf);
406		471
407	int target_width = szHint.width;	472	int target_width = szHint.width;
408	int target_height = szHint.height;	473	int target_height = szHint.height;
409	int new_pmap_width = target_width;	474	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	475	int new_pmap_height = target_height;
…		…
412	int x = 0;	477	int x = 0;
413	int y = 0;	478	int y = 0;
414	int w = 0;	479	int w = 0;
415	int h = 0;	480	int h = 0;
416		481
417	if (original_asim)	482	get_image_geometry (image, w, h, x, y);
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419		483
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)	484	if (!(image.flags & IM_ROOT_ALIGN)
712	&& (x >= target_width	485	&& (x >= target_width
713	|| y >= target_height	486	|| y >= target_height
714	|| (x + w <= 0)	487	|| x + w <= 0
715	|| (y + h <= 0)))	488	|| y + h <= 0))
716	return false;	489	return false;
717		490
718	result = pixbuf;	491	result = pixbuf;
719		492
720	if ((w != image_width)	493	if (w != image_width
721	|| (h != image_height))	494	|| h != image_height)
722	{	495	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	496	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	497	w, h,
725	GDK_INTERP_BILINEAR);	498	GDK_INTERP_BILINEAR);
726	}	499	}
727		500
		501	if (!result)
		502	return false;
		503
728	bool ret = false;	504	bool ret = false;
729		505
730	if (result)
731	{
732	XGCValues gcv;	506	XGCValues gcv;
733	GC gc;	507	GC gc;
734	Pixmap root_pmap;	508	Pixmap root_pmap;
735		509
736	image_width = gdk_pixbuf_get_width (result);	510	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);	511	image_height = gdk_pixbuf_get_height (result);
738		512
739	if (tr_flags)	513	if (transparent)
740	{	514	{
741	root_pmap = bg_pixmap;	515	root_pmap = bg_pixmap;
742	bg_pixmap = None;	516	bg_pixmap = None;
		517	}
		518	else
		519	{
		520	if (image.flags & IM_TILE)
		521	{
		522	new_pmap_width = min (image_width, target_width);
		523	new_pmap_height = min (image_height, target_height);
743	}	524	}
744	else	525	}
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752		526
753	if (bg_pixmap == None	527	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width	528	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)	529	|| bg_pmap_height != new_pmap_height)
756	{	530	{
757	if (bg_pixmap)	531	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);	532	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	533	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;	534	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;	535	bg_pmap_height = new_pmap_height;
762	}	536	}
763		537
764	gcv.foreground = pix_colors[Color_bg];	538	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	539	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766		540
767	if (h_scale == 0 || v_scale == 0)	541	if (gc)
		542	{
		543	if (image.flags & IM_TILE)
768	{	544	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	545	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
770	pixbuf_to_pixmap (result, tile, gc,	546	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	547	0, 0,
772	0, 0,	548	0, 0,
…		…
800	dst_x, dst_y,	576	dst_x, dst_y,
801	dst_width, dst_height);	577	dst_width, dst_height);
802	}	578	}
803		579
804	#if XRENDER	580	#if XRENDER
805	if (tr_flags)	581	if (transparent)
806	{	582	{
807	XRenderPictureAttributes pa;
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	583	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		584
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	585	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
811		586
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	587	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		588
815	pa.repeat = True;	589	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		590
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	591	XRenderColor mask_c;
824		592
825	mask_c.alpha = 0x8000;	593	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	594	mask_c.red =
827	mask_c.green = 0;	595	mask_c.green =
828	mask_c.blue = 0;	596	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	597	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		598
830	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	599	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
831	}
832		600
833	XRenderFreePicture (dpy, src);	601	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	602	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	603	XRenderFreePicture (dpy, mask);
836
837	XFreePixmap (dpy, root_pmap);
838	}	604	}
839	#endif	605	#endif
840		606
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	607	XFreeGC (dpy, gc);
845		608
846	ret = true;	609	ret = true;
847	}	610	}
848		611
		612	if (result != pixbuf)
		613	g_object_unref (result);
		614
		615	if (transparent)
		616	XFreePixmap (dpy, root_pmap);
		617
849	return ret;	618	return ret;
850	}	619	}
851	# endif /* HAVE_PIXBUF */	620	# endif /* HAVE_PIXBUF */
852		621
853	bool	622	bool
854	rxvt_term::bg_set_file (const char *file)	623	rxvt_image::set_file (const char *file)
855	{	624	{
856	if (!file || !*file)	625	if (!file || !*file)
857	return false;	626	return false;
858		627
		628	bool ret = false;
859	if (const char *p = strchr (file, ';'))	629	const char *p = strchr (file, ';');
		630
		631	if (p)
860	{	632	{
861	size_t len = p - file;	633	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	634	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	635	memcpy (f, file, len);
864	f[len] = '\0';	636	f[len] = '\0';
865	file = f;	637	file = f;
866	}	638	}
867		639
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	640	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	641	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	642	if (image)
885	{	643	{
886	if (pixbuf)	644	if (pixbuf)
887	g_object_unref (pixbuf);	645	g_object_unref (pixbuf);
888	pixbuf = image;	646	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;	647	flags |= IM_IS_SET;
890	return true;	648	ret = true;
891	}	649	}
892	# endif	650	# endif
893		651
		652	if (ret)
		653	{
		654	if (p)
		655	set_geometry (p + 1);
		656	else
		657	set_default_geometry ();
		658	}
		659
894	return false;	660	return ret;
895	}	661	}
896		662
897	# endif /* BG_IMAGE_FROM_FILE */	663	# endif /* BG_IMAGE_FROM_FILE */
898		664
899	# ifdef ENABLE_TRANSPARENCY	665	# ifdef ENABLE_TRANSPARENCY
900	bool
901	rxvt_term::bg_set_transparent ()
902	{
903	if (!(bg_flags & BG_IS_TRANSPARENT))
904	{
905	bg_flags |= BG_IS_TRANSPARENT;
906	return true;
907	}
908
909	return false;
910	}
911
912	bool	666	bool
913	rxvt_term::bg_set_blur (const char *geom)	667	rxvt_term::bg_set_blur (const char *geom)
914	{	668	{
915	bool changed = false;	669	bool changed = false;
916	unsigned int hr, vr;	670	unsigned int hr, vr;
…		…
935	{	689	{
936	changed = true;	690	changed = true;
937	v_blurRadius = vr;	691	v_blurRadius = vr;
938	}	692	}
939		693
940	if (v_blurRadius == 0 && h_blurRadius == 0)
941	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944
945	return changed;	694	return changed;
946	}	695	}
947		696
948	void	697	bool
949	rxvt_term::set_tint_shade_flags ()	698	rxvt_term::bg_set_tint (rxvt_color &new_tint)
950	{	699	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	700	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
952	bool has_shade = shade != 100;	701	{
953		702	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	703	bg_flags |= BG_TINT_SET;
955		704
956	if (bg_flags & BG_TINT_SET)	705	rgba c;
957	{
958	tint.get (c);	706	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	707	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	708	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	709	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	710	bg_flags |= BG_TINT_BITAND;
964	}	711	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	712	bg_flags &= ~BG_TINT_BITAND;
977	set_tint_shade_flags ();	713
978	return true;	714	return true;
979	}	715	}
980		716
981	return false;	717	return false;
982	}	718	}
983		719
984	bool	720	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	721	rxvt_term::bg_set_shade (const char *shade_str)
986	{	722	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	723	int new_shade = atoi (shade_str);
988		724
989	clamp_it (new_shade, -100, 200);	725	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	726	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	727	new_shade = 200 - (100 + new_shade);
992		728
993	if (new_shade != shade)	729	if (new_shade != shade)
994	{	730	{
995	shade = new_shade;	731	shade = new_shade;
996	set_tint_shade_flags ();
997	return true;	732	return true;
998	}	733	}
999		734
1000	return false;	735	return false;
1001	}	736	}
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	757	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	758	}
1024	#endif	759	#endif
1025		760
1026	bool	761	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	762	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1028	{	763	{
1029	bool ret = false;	764	bool ret = false;
1030	#if XRENDER	765	#if XRENDER
		766	if (!(bg_flags & BG_HAS_RENDER_CONV))
		767	return false;
		768
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	769	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	770	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	771	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		772
1035	XRenderPictureAttributes pa;	773	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	774	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		775
		776	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	777	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		778	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	779	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		780	XFreePixmap (dpy, tmp);
1040		781
1041	if (kernel && params && src && dst)	782	if (kernel && params)
1042	{	783	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	784	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	785	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		786
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	787	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	788	XRenderComposite (dpy,
1050	PictOpSrc,	789	PictOpSrc,
1051	src,	790	src,
1052	None,	791	None,
1053	dst,	792	dst,
1054	0, 0,	793	0, 0,
1055	0, 0,	794	0, 0,
1056	0, 0,	795	0, 0,
1057	width, height);	796	width, height);
1058	}
1059		797
1060	if (v_blurRadius)	798	::swap (src, dst);
1061	{	799
1062	size = v_blurRadius * 2 + 1;	800	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	801	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	802	::swap (params[0], params[1]);
1065		803
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1068	PictOpSrc,	806	PictOpSrc,
1069	src,	807	src,
1070	None,	808	None,
1071	dst,	809	dst,
1072	0, 0,	810	0, 0,
1073	0, 0,	811	0, 0,
1074	0, 0,	812	0, 0,
1075	width, height);	813	width, height);
1076	}
1077		814
1078	ret = true;	815	ret = true;
1079	}	816	}
1080		817
1081	free (kernel);	818	free (kernel);
…		…
1085	#endif	822	#endif
1086	return ret;	823	return ret;
1087	}	824	}
1088		825
1089	bool	826	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	827	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1091	{	828	{
1092	bool ret = false;	829	bool ret = false;
1093		830
1094	if (bg_flags & BG_TINT_BITAND)	831	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	832	{
1096	XGCValues gcv;	833	XGCValues gcv;
1097	GC gc;	834	GC gc;
1098		835
1099	/* In this case we can tint image server-side getting significant	836	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	845	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	846	ret = true;
1110	XFreeGC (dpy, gc);	847	XFreeGC (dpy, gc);
1111	}	848	}
1112	}	849	}
1113	else
1114	{
1115	# if XRENDER	850	# if XRENDER
		851	else if (bg_flags & BG_HAS_RENDER)
		852	{
1116	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	853	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		854
1118	if (bg_flags & BG_TINT_SET)	855	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	856	tint.get (c);
1120		857
1121	if (shade <= 100)	858	if (shade <= 100)
1122	{	859	{
1123	c.r = (c.r * shade) / 100;	860	c.r = c.r * shade / 100;
1124	c.g = (c.g * shade) / 100;	861	c.g = c.g * shade / 100;
1125	c.b = (c.b * shade) / 100;	862	c.b = c.b * shade / 100;
1126	}	863	}
1127	else	864	else
1128	{	865	{
1129	c.r = (c.r * (200 - shade)) / 100;	866	c.r = c.r * (200 - shade) / 100;
1130	c.g = (c.g * (200 - shade)) / 100;	867	c.g = c.g * (200 - shade) / 100;
1131	c.b = (c.b * (200 - shade)) / 100;	868	c.b = c.b * (200 - shade) / 100;
1132	}	869	}
1133		870
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	871	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		872
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	873	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		874
1140	pa.repeat = True;	875	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		876
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	877	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		878
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat|CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	879	XRenderColor mask_c;
1154		880
1155	mask_c.red = mask_c.green = mask_c.blue = 0;
1156	mask_c.alpha = 0xffff;	881	mask_c.alpha = 0xffff;
		882	mask_c.red =
		883	mask_c.green =
		884	mask_c.blue = 0;
		885	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		886
		887	mask_c.alpha = 0;
		888	mask_c.red = 0xffff - c.r;
		889	mask_c.green = 0xffff - c.g;
		890	mask_c.blue = 0xffff - c.b;
		891	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		892
		893	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		894
		895	if (shade > 100)
		896	{
		897	mask_c.alpha = 0;
		898	mask_c.red =
		899	mask_c.green =
		900	mask_c.blue = 0xffff * (shade - 100) / 100;
1157	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	901	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1158		902
1159	mask_c.alpha = 0;
1160	mask_c.red = 0xffff - c.r;
1161	mask_c.green = 0xffff - c.g;
1162	mask_c.blue = 0xffff - c.b;
1163	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1164	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1165
1166	if (shade > 100)
1167	{
1168	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1169	mask_c.alpha = 0;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171
1172	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	903	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1173	}
1174
1175	ret = true;
1176	}	904	}
		905
		906	ret = true;
1177		907
1178	XRenderFreePicture (dpy, mask_pic);	908	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	909	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	910	XRenderFreePicture (dpy, back_pic);
		911	}
1181	# endif	912	# endif
1182	}
1183		913
1184	return ret;	914	return ret;
1185	}	915	}
1186		916
1187	/* make_transparency_pixmap()	917	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	918	* Builds a pixmap of the same size as the terminal window that contains
1189	* the tiled portion of the root pixmap that is supposed to be covered by	919	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	920	* our window.
1191	*/	921	*/
1192	unsigned long	922	bool
1193	rxvt_term::make_transparency_pixmap ()	923	rxvt_term::make_transparency_pixmap ()
1194	{	924	{
1195	unsigned long result = 0;	925	bool ret = false;
1196		926
1197	/* root dimensions may change from call to call - but Display structure should	927	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	928	* be always up-to-date, so let's use it :
1199	*/	929	*/
1200	int screen = display->screen;	930	int screen = display->screen;
…		…
1236	if (root_pixmap != None && root_depth != depth)	966	if (root_pixmap != None && root_depth != depth)
1237	{	967	{
1238	#if XRENDER	968	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	969	if (bg_flags & BG_HAS_RENDER)
1240	{	970	{
1241	XRenderPictureAttributes pa;	971	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		972
1243	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	973	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1244	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	974	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1245		975
1246	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1247	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	976	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1248	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	977	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1249		978
1250	if (src && dst)
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	979	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252	else
1253	{
1254	XFreePixmap (dpy, recoded_root_pmap);
1255	root_pixmap = None;
1256	}
1257		980
1258	XRenderFreePicture (dpy, src);	981	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	982	XRenderFreePicture (dpy, dst);
1260	}	983	}
1261	else	984	else
1262	#endif	985	#endif
1263	root_pixmap = None;	986	recoded_root_pmap = None;
1264	}	987	}
1265		988
1266	if (root_pixmap == None)	989	if (recoded_root_pmap == None)
1267	return 0;	990	return 0;
1268		991
1269	if (bg_pixmap == None	992	if (bg_pixmap == None
1270	|| bg_pmap_width != window_width	993	|| bg_pmap_width != window_width
1271	|| bg_pmap_height != window_height)	994	|| bg_pmap_height != window_height)
…		…
1275	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	998	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1276	bg_pmap_width = window_width;	999	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1000	bg_pmap_height = window_height;
1278	}	1001	}
1279		1002
1280	if (bg_pixmap == None)
1281	return 0;
1282
1283	/* straightforward pixmap copy */	1003	/* straightforward pixmap copy */
1284	while (sx < 0) sx += (int)root_width;	1004	while (sx < 0) sx += root_pmap_width;
1285	while (sy < 0) sy += (int)root_height;	1005	while (sy < 0) sy += root_pmap_height;
1286		1006
1287	gcv.tile = recoded_root_pmap;	1007	gcv.tile = recoded_root_pmap;
1288	gcv.fill_style = FillTiled;	1008	gcv.fill_style = FillTiled;
1289	gcv.ts_x_origin = -sx;	1009	gcv.ts_x_origin = -sx;
1290	gcv.ts_y_origin = -sy;	1010	gcv.ts_y_origin = -sy;
1291	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1011	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1292		1012
1293	if (gc)	1013	if (gc)
1294	{	1014	{
1295	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1015	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1296	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1016	ret = true;
		1017	bool need_blur = h_blurRadius && v_blurRadius;
		1018	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1019
		1020	if (!(bg_flags & BG_CLIENT_RENDER))
		1021	{
		1022	if (need_blur)
		1023	{
		1024	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1025	need_blur = false;
		1026	}
		1027	if (need_tint)
		1028	{
		1029	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1030	need_tint = false;
		1031	}
		1032	if (need_tint)
		1033	{
		1034	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1035	if (ximage)
		1036	{
		1037	/* our own client-side tinting */
		1038	tint_ximage (ximage);
		1039
		1040	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1041	XDestroyImage (ximage);
		1042	}
		1043	}
		1044	} /* server side rendering completed */
		1045
1297	XFreeGC (dpy, gc);	1046	XFreeGC (dpy, gc);
1298
1299	if (!(bg_flags & BG_CLIENT_RENDER))
1300	{
1301	if ((bg_flags & BG_NEEDS_BLUR)
1302	&& (bg_flags & BG_HAS_RENDER_CONV))
1303	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;
1306	}
1307	if ((bg_flags & BG_NEEDS_TINT)
1308	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1309	{
1310	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1311	result &= ~BG_NEEDS_TINT;
1312	}
1313	} /* server side rendering completed */
1314	}	1047	}
1315		1048
1316	if (recoded_root_pmap != root_pixmap)	1049	if (recoded_root_pmap != root_pixmap)
1317	XFreePixmap (dpy, recoded_root_pmap);	1050	XFreePixmap (dpy, recoded_root_pmap);
1318		1051
1319	return result;	1052	return ret;
1320	}	1053	}
1321		1054
1322	void	1055	void
1323	rxvt_term::bg_set_root_pixmap ()	1056	rxvt_term::bg_set_root_pixmap ()
1324	{	1057	{
…		…
1328		1061
1329	root_pixmap = new_root_pixmap;	1062	root_pixmap = new_root_pixmap;
1330	}	1063	}
1331	# endif /* ENABLE_TRANSPARENCY */	1064	# endif /* ENABLE_TRANSPARENCY */
1332		1065
1333	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1334	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1335	# endif
1336
1337	bool	1066	bool
1338	rxvt_term::bg_render ()	1067	rxvt_term::bg_render ()
1339	{	1068	{
1340	unsigned long tr_flags = 0;	1069	bool transparent = false;
1341		1070
1342	bg_invalidate ();	1071	bg_invalidate ();
1343	# ifdef ENABLE_TRANSPARENCY	1072	# ifdef ENABLE_TRANSPARENCY
1344	if (bg_flags & BG_IS_TRANSPARENT)	1073	if (bg_flags & BG_IS_TRANSPARENT)
1345	{	1074	{
1346	/* we need to re-generate transparency pixmap in that case ! */	1075	/* we need to re-generate transparency pixmap in that case ! */
1347	tr_flags = make_transparency_pixmap ();	1076	transparent = make_transparency_pixmap ();
1348	if (tr_flags == 0)	1077	if (transparent)
1349	return false;
1350	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1351	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1352	}	1079	}
1353	# endif	1080	# endif
1354		1081
1355	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1356	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1357	|| (tr_flags & BG_EFFECTS_FLAGS))
1358	{	1084	{
1359	if (render_image (tr_flags))	1085	if (render_image (bg_image, transparent))
1360	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1361	}
1362	# endif
1363
1364	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1365	XImage *result = NULL;
1366
1367	if (tr_flags && !(bg_flags & BG_IS_VALID))
1368	{
1369	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1370	}
1371
1372	if (result)
1373	{
1374	/* our own client-side tinting */
1375	if (tr_flags & BG_NEEDS_TINT)
1376	{
1377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1378	if (bg_flags & BG_TINT_SET)
1379	tint.get (c);
1380	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1381	}
1382
1383	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1384
1385	if (gc)
1386	{
1387	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1388
1389	XFreeGC (dpy, gc);
1390	bg_flags |= BG_IS_VALID;
1391	}
1392
1393	XDestroyImage (result);
1394	}	1087	}
1395	# endif	1088	# endif
1396		1089
1397	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1398	{	1091	{
…		…
1435	#endif	1128	#endif
1436	}	1129	}
1437		1130
1438	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1439		1132
1440	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1441	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1442		1135
1443	static void	1136	static inline void
1444	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)
1445	{	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;
1446	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1447	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1448	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1449	rgba low;	1155	unsigned short low;
1450	rgba high;
1451	int i;
1452	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1453		1157
1454	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1455		1159
1456	/* for convenience */	1160	/* for convenience */
1457	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1458	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1459	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1460		1164
1461	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1462	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1463	{	1167	sh_g = ecb_ctz32 (mask_g);
1464	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1465	if ((mask_r != 0x7c00) ||	1169
1466	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1467	(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)
1468	return;	1175	return;
1469	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));
1470	lookup_r = lookup;	1178	lookup_r = lookup;
1471	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1472	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1473	sh_r = 10;	1181
1474	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1475	sh_b = 0;	1183
1476	break;	1184	if (bg_flags & BG_TINT_SET)
1477	case 16:	1185	tint.get (c);
1478	if ((mask_r != 0xf800) ||
1479	(mask_g != 0x07e0) ||
1480	(mask_b != 0x001f))
1481	return;
1482	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1483	lookup_r = lookup;
1484	lookup_g = lookup+32;
1485	lookup_b = lookup+32+64;
1486	sh_r = 11;
1487	sh_g = 5;
1488	sh_b = 0;
1489	break;
1490	case 24:
1491	if ((mask_r != 0xff0000) ||
1492	(mask_g != 0x00ff00) ||
1493	(mask_b != 0x0000ff))
1494	return;
1495	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1496	lookup_r = lookup;
1497	lookup_g = lookup+256;
1498	lookup_b = lookup+256+256;
1499	sh_r = 16;
1500	sh_g = 8;
1501	sh_b = 0;
1502	break;
1503	case 32:
1504	if ((mask_r != 0xff0000) ||
1505	(mask_g != 0x00ff00) ||
1506	(mask_b != 0x0000ff))
1507	return;
1508	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1509	lookup_r = lookup;
1510	lookup_g = lookup+256;
1511	lookup_b = lookup+256+256;
1512	sh_r = 16;
1513	sh_g = 8;
1514	sh_b = 0;
1515	break;
1516	default:
1517	return; /* we do not support this color depth */
1518	}
1519		1186
1520	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1521	if (shade > 100)	1188	if (shade > 100)
1522	{	1189	{
1523	shade = 200 - shade;
1524
1525	high.r = c.r * shade / 100;
1526	high.g = c.g * shade / 100;
1527	high.b = c.b * shade / 100;
1528
1529	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1530	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1531	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1532	}	1195	}
1533	else	1196	else
1534	{	1197	{
1535	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1536	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1537	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1538		1201
1539	low.r = low.g = low.b = 0;	1202	low = 0;
1540	}	1203	}
1541		1204
1542	/* fill our lookup tables */	1205	/* fill our lookup tables */
1543	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1544	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1545	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1546	tmp = i * high.r;
1547	tmp += (mask_r>>sh_r) * low.r;
1548	lookup_r[i] = (tmp/65535)<<sh_r;
1549	}
1550	for (i = 0; i <= mask_g>>sh_g; i++)
1551	{
1552	uint32_t tmp;
1553	tmp = i * high.g;
1554	tmp += (mask_g>>sh_g) * low.g;
1555	lookup_g[i] = (tmp/65535)<<sh_g;
1556	}
1557	for (i = 0; i <= mask_b>>sh_b; i++)
1558	{
1559	uint32_t tmp;
1560	tmp = i * high.b;
1561	tmp += (mask_b>>sh_b) * low.b;
1562	lookup_b[i] = (tmp/65535)<<sh_b;
1563	}
1564		1209
1565	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1566	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1567	&& (ximage->depth == 24 || ximage->depth == 32)
1568	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1569	{	1213	{
1570	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1571	p1 = (uint32_t *) ximage->data;
1572	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1573		1215
1574	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1575	{
1576	p = p1;
1577	pl = p1 + ximage->width;
1578	for (; p < pl; p++)
1579	{	1217	{
1580	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1581	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1582	lookup_b[(*p & 0x0000ff)] |
1583	(*p & 0xff000000);
1584	}	1220	{
1585	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;
1586	}	1227	}
1587	}	1228	}
1588	else	1229	else
1589	{	1230	{
1590	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1598	}	1239	}
1599	}	1240	}
1600		1241
1601	free (lookup);	1242	free (lookup);
1602	}	1243	}
1603	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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