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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.184 by sf-exg, Sun Dec 25 17:07:00 2011 UTC vs.
Revision 1.222 by sf-exg, Sat May 26 08:10:25 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
83	{	96	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		275
289	if (!update)	276	if (!update)
290	{	277	{
291	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	284	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
299	h = w;	286	h = w;
300	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
301	w = h;	288	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
313	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
314	changed = true;	305	changed = true;
315	}	306	}
316		307
		308	if (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
317	return changed;	315	return changed;
318	}	316	}
319		317
320	void	318	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
323	int target_width = szHint.width;	323	int target_width = szHint.width;
324	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325		327
326	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
328		330
329	if (bg_flags & BG_KEEP_ASPECT)	331	if (image.flags & IM_KEEP_ASPECT)
330	{	332	{
331	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
335	}	337	}
336		338
337	if (!w) w = image_width;	339	if (!w) w = image_width;
338	if (!h) h = image_height;	340	if (!h) h = image_height;
339		341
340	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
341	{	343	{
342	x = -target_x;	344	x = -target_x;
343	y = -target_y;	345	y = -target_y;
344	}	346	}
345	else	347	else
346	{	348	{
347	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	351	}
374	ShadingInfo as_shade;	352	}
375	as_shade.shading = shade;
376		353
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	355	bool
379	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
383		368
384	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
385	}	373	{
386		374	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
388	{	378	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
390	ASA_XImage,	380	{
391	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
393	{	447	{
394	destroy_asimage (&background);	448	a = pixel[3];
395	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
396	}	470	}
397	}
398	# endif
399		471
400	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
401		498
402	int target_width = szHint.width;	499	int target_width = szHint.width;
403	int target_height = szHint.height;	500	int target_height = szHint.height;
404	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
407	int x = 0;	504	int x = 0;
408	int y = 0;	505	int y = 0;
409	int w = 0;	506	int w = 0;
410	int h = 0;	507	int h = 0;
411		508
412	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		510
415	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	512	&& (x >= target_width
418	|| y >= target_height	513	|| y >= target_height
419	|| x + w <= 0	514	|| x + w <= 0
420	|| y + h <= 0)))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
421	{	526	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		527
428	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
429	{	549	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	552	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		553
444	if (w != original_asim->width
445	|| h != original_asim->height)
446	{
447	result = scale_asimage (asv, original_asim,
448	w, h,
449	ASA_XImage,
450	100, ASIMAGE_QUALITY_DEFAULT);
451	}
452
453	if (background == NULL)
454	{
455	if (bg_flags & BG_TILE)
456	{
457	/* if tiling - pixmap has to be sized exactly as the image,
458	but there is no need to make it bigger than the window! */
459	new_pmap_width = min (result->width, target_width);
460	new_pmap_height = min (result->height, target_height);
461
462	/* we also need to tile our image in both directions */
463	ASImage *tmp = tile_asimage (asv, result,
464	(int)result->width - x,
465	(int)result->height - y,
466	new_pmap_width,
467	new_pmap_height,
468	TINT_LEAVE_SAME, ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	if (tmp)
471	{
472	if (result != original_asim)
473	destroy_asimage (&result);
474
475	result = tmp;
476	}
477	}
478	}
479	else
480	{
481	/* if blending background and image - pixmap has to be sized same as target window */
482	ASImageLayer *layers = create_image_layers (2);
483
484	layers[0].im = background;
485	layers[0].clip_width = target_width;
486	layers[0].clip_height = target_height;
487	layers[0].tint = background_tint;
488	layers[1].im = result;
489
490	if (bg_flags & BG_TILE)
491	{
492	/* tile horizontally */
493	while (x > 0) x -= (int)result->width;
494	layers[1].dst_x = x;
495	layers[1].clip_width = result->width+target_width;
496	}
497	else
498	{
499	/* clip horizontally */
500	layers[1].dst_x = x;
501	layers[1].clip_width = result->width;
502	}
503
504	if (bg_flags & BG_TILE)
505	{
506	while (y > 0) y -= (int)result->height;
507	layers[1].dst_y = y;
508	layers[1].clip_height = result->height + target_height;
509	}
510	else
511	{
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height;
514	}
515
516	if (rs[Rs_blendtype])
517	{
518	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
519	if (layers[1].merge_scanlines == NULL)
520	layers[1].merge_scanlines = alphablend_scanlines;
521	}
522
523	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
524	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
525
526	if (tmp)
527	{
528	if (result != original_asim)
529	destroy_asimage (&result);
530
531	result = tmp;
532	}
533
534	free (layers);
535	}
536	}
537
538	bool ret = false;
539
540	if (result)
541	{
542	XGCValues gcv;
543	GC gc;
544
545	/* create Pixmap */
546	if (bg_pixmap == None	554	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
549	{	557	{
550	if (bg_pixmap)	558	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
555	}	563	}
556	/* fill with background color (if result's not completely overlapping it) */
557	gcv.foreground = pix_colors[Color_bg];
558	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
559		564
560	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
561	int dst_width = result->width, dst_height = result->height;
562	if (background == NULL)
563	{
564	if (!(bg_flags & BG_TILE))
565	{
566	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
567	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
568	}
569
570	if (dst_x > 0 || dst_y > 0
571	|| dst_x + dst_width < new_pmap_width
572	|| dst_y + dst_height < new_pmap_height)
573	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
574	}
575
576	/* put result on pixmap */
577	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
578	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
579
580	if (result != background && result != original_asim)
581	destroy_asimage (&result);
582
583	XFreeGC (dpy, gc);
584
585	ret = true;
586	}
587
588	if (background)
589	destroy_asimage (&background);
590
591	return ret;
592	}
593	# endif /* HAVE_AFTERIMAGE */
594
595	# ifdef HAVE_PIXBUF
596	bool
597	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
598	int src_x, int src_y, int dst_x, int dst_y,
599	unsigned int width, unsigned int height)
600	{
601	XImage *ximage;
602	char *data, *line;
603	int bytes_per_pixel;
604	int width_r, width_g, width_b;
605	int sh_r, sh_g, sh_b;
606	int rowstride;
607	int channels;
608	unsigned char *row;
609
610	if (visual->c_class != TrueColor)
611	return false;
612
613	if (depth == 24 || depth == 32)
614	bytes_per_pixel = 4;
615	else if (depth == 15 || depth == 16)
616	bytes_per_pixel = 2;
617	else
618	return false;
619
620	width_r = ecb_popcount32 (visual->red_mask);
621	width_g = ecb_popcount32 (visual->green_mask);
622	width_b = ecb_popcount32 (visual->blue_mask);
623
624	if (width_r > 8 || width_g > 8 || width_b > 8)
625	return false;
626
627	sh_r = ecb_ctz32 (visual->red_mask);
628	sh_g = ecb_ctz32 (visual->green_mask);
629	sh_b = ecb_ctz32 (visual->blue_mask);
630
631	if (width > INT_MAX / height / bytes_per_pixel)
632	return false;
633
634	data = (char *)malloc (width * height * bytes_per_pixel);
635	if (!data)
636	return false;
637
638	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
639	width, height, bytes_per_pixel * 8, 0);
640	if (!ximage)
641	{
642	free (data);
643	return false;
644	}
645
646	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
647
648	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
649	channels = gdk_pixbuf_get_n_channels (pixbuf);
650	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
651	line = data;
652
653	for (int y = 0; y < height; y++)
654	{
655	for (int x = 0; x < width; x++)
656	{
657	unsigned char *pixel = row + x * channels;
658	uint32_t value;
659
660	value = ((pixel[0] >> (8 - width_r)) << sh_r)
661	| ((pixel[1] >> (8 - width_g)) << sh_g)
662	| ((pixel[2] >> (8 - width_b)) << sh_b);
663
664	if (bytes_per_pixel == 4)
665	((uint32_t *)line)[x] = value;
666	else
667	((uint16_t *)line)[x] = value;
668	}
669
670	row += rowstride;
671	line += ximage->bytes_per_line;
672	}
673
674	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
675	XDestroyImage (ximage);
676	return true;
677	}
678
679	bool
680	rxvt_term::render_image (unsigned long tr_flags)
681	{
682	if (!pixbuf)
683	return false;
684
685	if (tr_flags
686	&& !(bg_flags & BG_HAS_RENDER))
687	return false;
688
689	GdkPixbuf *result;
690
691	int image_width = gdk_pixbuf_get_width (pixbuf);
692	int image_height = gdk_pixbuf_get_height (pixbuf);
693
694	int target_width = szHint.width;
695	int target_height = szHint.height;
696	int new_pmap_width = target_width;
697	int new_pmap_height = target_height;
698
699	int x = 0;
700	int y = 0;
701	int w = 0;
702	int h = 0;
703
704	get_image_geometry (image_width, image_height, w, h, x, y);
705
706	if (!(bg_flags & BG_ROOT_ALIGN)
707	&& (x >= target_width
708	|| y >= target_height
709	|| x + w <= 0
710	|| y + h <= 0))
711	return false;
712
713	result = pixbuf;
714
715	if (w != image_width
716	|| h != image_height)
717	{
718	result = gdk_pixbuf_scale_simple (pixbuf,
719	w, h,
720	GDK_INTERP_BILINEAR);
721	}
722
723	if (!result)
724	return false;
725
726	bool ret = false;
727
728	XGCValues gcv;
729	GC gc;
730	Pixmap root_pmap;
731
732	image_width = gdk_pixbuf_get_width (result);
733	image_height = gdk_pixbuf_get_height (result);
734
735	if (tr_flags)
736	{
737	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
738	bg_pixmap = None;
739	}
740	else
741	{
742	if (bg_flags & BG_TILE)
743	{
744	new_pmap_width = min (image_width, target_width);
745	new_pmap_height = min (image_height, target_height);
746	}
747	}
748
749	if (bg_pixmap == None
750	|| bg_pmap_width != new_pmap_width
751	|| bg_pmap_height != new_pmap_height)
752	{
753	if (bg_pixmap)
754	XFreePixmap (dpy, bg_pixmap);
755	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
756	bg_pmap_width = new_pmap_width;
757	bg_pmap_height = new_pmap_height;
758	}	566	}
759		567
760	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		570
763	if (gc)	571	if (gc)
764	{	572	{
765	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
766	{	574	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	577	0, 0,
770	0, 0,	578	0, 0,
771	image_width, image_height);	579	image_width, image_height, need_blend);
772		580
773	gcv.tile = tile;	581	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		586
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
781	}	589	}
782	else	590	else
783	{	591	{
784	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
788	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		597
790	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		602
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	605	src_x, src_y,
798	dst_x, dst_y,	606	dst_x, dst_y,
799	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
800	}	608	}
801		609
802	#if XRENDER	610	#if XRENDER
803	if (tr_flags)	611	if (need_blend)
804	{	612	{
805	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		617
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		619
813	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
814	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
815	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
816	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
817	XFreePixmap (dpy, mask_pmap);
818		621
819	XRenderColor mask_c;	622	XRenderColor mask_c;
820		623
821	mask_c.alpha = 0x8000;	624	mask_c.alpha = gdk_pixbuf_get_has_alpha (image.pixbuf) ? 0xffff : image.alpha;
822	mask_c.red = 0;	625	mask_c.red =
823	mask_c.green = 0;	626	mask_c.green =
824	mask_c.blue = 0;	627	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		631
828	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
837	}	641	}
838		642
839	if (result != pixbuf)	643	if (result != pixbuf)
840	g_object_unref (result);	644	g_object_unref (result);
841		645
842	if (tr_flags)	646	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
844		648
845	return ret;	649	return ret;
846	}	650	}
847	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
848		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	if (image_vec.size () < id + 1)
		680	image_vec.resize (id + 1);
		681
		682	rxvt_image *image = &image_vec[id];
		683	}
		684	# endif
		685
		686	rxvt_image::rxvt_image ()
		687	{
		688	alpha =
		689	flags =
		690	h_scale =
		691	v_scale =
		692	h_align =
		693	v_align = 0;
		694
		695	# ifdef HAVE_PIXBUF
		696	pixbuf = 0;
		697	# endif
		698	}
		699
849	bool	700	bool
850	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
851	{	702	{
852	if (!file || !*file)	703	if (!file || !*file)
853	return false;	704	return false;
854		705
855	bool ret = false;
856	const char *p = strchr (file, ';');	706	const char *p = strchr (file, ';');
857		707
858	if (p)	708	if (p)
859	{	709	{
860	size_t len = p - file;	710	size_t len = p - file;
…		…
862	memcpy (f, file, len);	712	memcpy (f, file, len);
863	f[len] = '\0';	713	f[len] = '\0';
864	file = f;	714	file = f;
865	}	715	}
866		716
867	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
868	if (!asimman)	718	alpha = 0x8000;
869	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret && p)
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p + 1);
871	if (image)	721	return ret;
872	{	722	}
873	if (original_asim)	723
874	safe_asimage_destroy (original_asim);	724	bool
875	original_asim = image;	725	rxvt_image::set_file (const char *file)
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
877	ret = true;	727	bool ret = false;
878	}
879	# endif
880		728
881	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	731	if (image)
884	{	732	{
885	if (pixbuf)	733	if (pixbuf)
886	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
887	pixbuf = image;	735	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	736	ret = true;
890	}	737	}
891	# endif	738	# endif
892		739
893	if (ret)	740	if (ret)
894	{	741	{
895	if (p)	742	alpha = 0xffff;
896	bg_set_geometry (p + 1);	743	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
897	else	744	h_scale = v_scale = defaultScale;
898	bg_set_default_geometry ();	745	h_align = v_align = defaultAlign;
899	}	746	}
900		747
901	return ret;	748	return ret;
902	}	749	}
903		750
904	# endif /* BG_IMAGE_FROM_FILE */	751	# endif /* BG_IMAGE_FROM_FILE */
905		752
906	# ifdef ENABLE_TRANSPARENCY	753	# ifdef ENABLE_TRANSPARENCY
907	bool
908	rxvt_term::bg_set_transparent ()
909	{
910	if (!(bg_flags & BG_IS_TRANSPARENT))
911	{
912	bg_flags |= BG_IS_TRANSPARENT;
913	return true;
914	}
915
916	return false;
917	}
918
919	bool	754	bool
920	rxvt_term::bg_set_blur (const char *geom)	755	rxvt_term::bg_set_blur (const char *geom)
921	{	756	{
922	bool changed = false;	757	bool changed = false;
923	unsigned int hr, vr;	758	unsigned int hr, vr;
…		…
942	{	777	{
943	changed = true;	778	changed = true;
944	v_blurRadius = vr;	779	v_blurRadius = vr;
945	}	780	}
946		781
947	if (v_blurRadius == 0 && h_blurRadius == 0)
948	bg_flags &= ~BG_NEEDS_BLUR;
949	else
950	bg_flags |= BG_NEEDS_BLUR;
951
952	return changed;	782	return changed;
953	}	783	}
954		784
955	void	785	bool
956	rxvt_term::set_tint_shade_flags ()	786	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	787	{
		788	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		789	{
		790	tint = new_tint;
		791	bg_flags |= BG_TINT_SET;
		792
958	rgba c;	793	rgba c;
959	bool has_shade = shade != 100;
960
961	bg_flags &= ~BG_TINT_FLAGS;
962
963	if (bg_flags & BG_TINT_SET)
964	{
965	tint.get (c);	794	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	795	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	796	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	797	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	798	bg_flags |= BG_TINT_BITAND;
971	}	799	else
972
973	if (has_shade || (bg_flags & BG_TINT_SET))
974	bg_flags |= BG_NEEDS_TINT;
975	}
976
977	bool
978	rxvt_term::bg_set_tint (rxvt_color &new_tint)
979	{
980	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
981	{
982	tint = new_tint;
983	bg_flags |= BG_TINT_SET;	800	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	801
985	return true;	802	return true;
986	}	803	}
987		804
988	return false;	805	return false;
989	}	806	}
990		807
991	bool	808	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	809	rxvt_term::bg_set_shade (const char *shade_str)
993	{	810	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	811	int new_shade = atoi (shade_str);
995		812
996	clamp_it (new_shade, -100, 200);	813	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	814	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	815	new_shade = 200 - (100 + new_shade);
999		816
1000	if (new_shade != shade)	817	if (new_shade != shade)
1001	{	818	{
1002	shade = new_shade;	819	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	820	return true;
1005	}	821	}
1006		822
1007	return false;	823	return false;
1008	}	824	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	845	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	846	}
1031	#endif	847	#endif
1032		848
1033	bool	849	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	851	{
1036	bool ret = false;	852	bool ret = false;
1037	#if XRENDER	853	#if XRENDER
1038	if (!(bg_flags & BG_HAS_RENDER_CONV))	854	if (!(bg_flags & BG_HAS_RENDER_CONV))
1039	return false;	855	return false;
…		…
1043	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	859	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1044		860
1045	XRenderPictureAttributes pa;	861	XRenderPictureAttributes pa;
1046	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	862	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1047		863
		864	pa.repeat = RepeatPad;
1048	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	865	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		866	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1049	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	867	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		868	XFreePixmap (dpy, tmp);
1050		869
1051	if (kernel && params)	870	if (kernel && params)
1052	{	871	{
1053	if (h_blurRadius)
1054	{
1055	size = h_blurRadius * 2 + 1;	872	size = h_blurRadius * 2 + 1;
1056	get_gaussian_kernel (h_blurRadius, size, kernel, params);	873	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1057		874
1058	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	875	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1059	XRenderComposite (dpy,	876	XRenderComposite (dpy,
1060	PictOpSrc,	877	PictOpSrc,
1061	src,	878	src,
1062	None,	879	None,
1063	dst,	880	dst,
1064	0, 0,	881	0, 0,
1065	0, 0,	882	0, 0,
1066	0, 0,	883	0, 0,
1067	width, height);	884	width, height);
1068	}
1069		885
1070	if (v_blurRadius)	886	::swap (src, dst);
1071	{	887
1072	size = v_blurRadius * 2 + 1;	888	size = v_blurRadius * 2 + 1;
1073	get_gaussian_kernel (v_blurRadius, size, kernel, params);	889	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1074	::swap (params[0], params[1]);	890	::swap (params[0], params[1]);
1075		891
1076	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	892	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1077	XRenderComposite (dpy,	893	XRenderComposite (dpy,
1078	PictOpSrc,	894	PictOpSrc,
1079	src,	895	src,
1080	None,	896	None,
1081	dst,	897	dst,
1082	0, 0,	898	0, 0,
1083	0, 0,	899	0, 0,
1084	0, 0,	900	0, 0,
1085	width, height);	901	width, height);
1086	}
1087		902
1088	ret = true;	903	ret = true;
1089	}	904	}
1090		905
1091	free (kernel);	906	free (kernel);
…		…
1095	#endif	910	#endif
1096	return ret;	911	return ret;
1097	}	912	}
1098		913
1099	bool	914	bool
1100	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	915	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1101	{	916	{
1102	bool ret = false;	917	bool ret = false;
1103		918
1104	if (bg_flags & BG_TINT_BITAND)	919	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1105	{	920	{
1106	XGCValues gcv;	921	XGCValues gcv;
1107	GC gc;	922	GC gc;
1108		923
1109	/* In this case we can tint image server-side getting significant	924	/* In this case we can tint image server-side getting significant
…		…
1139	c.r = c.r * (200 - shade) / 100;	954	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	955	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	956	c.b = c.b * (200 - shade) / 100;
1142	}	957	}
1143		958
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	959	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		960
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	961	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		962
1150	pa.repeat = True;	963	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		964
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	965	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		966
1161	XRenderColor mask_c;	967	XRenderColor mask_c;
1162		968
1163	mask_c.alpha = 0xffff;	969	mask_c.alpha = 0xffff;
1164	mask_c.red =	970	mask_c.red =
…		…
1169	mask_c.alpha = 0;	975	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	976	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	977	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	978	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	979	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		980
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	981	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		982
1176	if (shade > 100)	983	if (shade > 100)
1177	{	984	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	985	mask_c.alpha = 0;
		986	mask_c.red =
		987	mask_c.green =
		988	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	989	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		990
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	991	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	992	}
1184		993
…		…
1196	/*	1005	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1006	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	1007	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1008	* our window.
1200	*/	1009	*/
1201	unsigned long	1010	bool
1202	rxvt_term::make_transparency_pixmap ()	1011	rxvt_term::make_transparency_pixmap ()
1203	{	1012	{
1204	unsigned long result = 0;	1013	bool ret = false;
1205		1014
1206	/* root dimensions may change from call to call - but Display structure should	1015	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1016	* be always up-to-date, so let's use it :
1208	*/	1017	*/
1209	int screen = display->screen;	1018	int screen = display->screen;
…		…
1247	#if XRENDER	1056	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1057	if (bg_flags & BG_HAS_RENDER)
1249	{	1058	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1059	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1060
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1061	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1062	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1063
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1064	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1065	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1066
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1067	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1068
1262	XRenderFreePicture (dpy, src);	1069	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1070	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1099	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1100
1294	if (gc)	1101	if (gc)
1295	{	1102	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1103	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1104	ret = true;
1298	XFreeGC (dpy, gc);	1105	bool need_blur = h_blurRadius && v_blurRadius;
		1106	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1299		1107
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1108	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1109	{
1302	if (bg_flags & BG_NEEDS_BLUR)	1110	if (need_blur)
1303	{	1111	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (blur_pixmap (bg_pixmap, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;	1113	need_blur = false;
1306	}	1114	}
1307	if (bg_flags & BG_NEEDS_TINT)	1115	if (need_tint)
1308	{	1116	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1117	if (tint_pixmap (bg_pixmap, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;	1118	need_tint = false;
		1119	}
		1120	if (need_tint)
		1121	{
		1122	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1123	if (ximage)
		1124	{
		1125	/* our own client-side tinting */
		1126	tint_ximage (ximage);
		1127
		1128	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1129	XDestroyImage (ximage);
		1130	}
1311	}	1131	}
1312	} /* server side rendering completed */	1132	} /* server side rendering completed */
		1133
		1134	XFreeGC (dpy, gc);
1313	}	1135	}
1314		1136
1315	if (recoded_root_pmap != root_pixmap)	1137	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1138	XFreePixmap (dpy, recoded_root_pmap);
1317		1139
1318	return result;	1140	return ret;
1319	}	1141	}
1320		1142
1321	void	1143	void
1322	rxvt_term::bg_set_root_pixmap ()	1144	rxvt_term::bg_set_root_pixmap ()
1323	{	1145	{
…		…
1330	# endif /* ENABLE_TRANSPARENCY */	1152	# endif /* ENABLE_TRANSPARENCY */
1331		1153
1332	bool	1154	bool
1333	rxvt_term::bg_render ()	1155	rxvt_term::bg_render ()
1334	{	1156	{
1335	unsigned long tr_flags = 0;
1336
1337	bg_invalidate ();	1157	bg_invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY	1158	# ifdef ENABLE_TRANSPARENCY
1339	if (bg_flags & BG_IS_TRANSPARENT)	1159	if (bg_flags & BG_IS_TRANSPARENT)
1340	{	1160	{
1341	/* we need to re-generate transparency pixmap in that case ! */	1161	/* we need to re-generate transparency pixmap in that case ! */
1342	tr_flags = make_transparency_pixmap ();	1162	if (make_transparency_pixmap ())
1343	if (tr_flags == 0)
1344	return false;
1345	bg_flags |= BG_IS_VALID;	1163	bg_flags |= BG_IS_VALID;
1346	}	1164	}
1347	# endif	1165	# endif
1348		1166
1349	# ifdef BG_IMAGE_FROM_FILE	1167	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1168	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1169	{
1353	if (render_image (tr_flags))	1170	if (render_image (*bg_image))
1354	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags & BG_NEEDS_TINT)
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	//if (tr_flags & BG_NEEDS_TINT)
1370	if (1)
1371	tint_ximage (DefaultVisual (dpy, display->screen), result);
1372
1373	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1374
1375	if (gc)
1376	{
1377	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1378
1379	XFreeGC (dpy, gc);
1380	}
1381
1382	XDestroyImage (result);
1383	}	1172	}
1384	# endif	1173	# endif
1385		1174
1386	if (!(bg_flags & BG_IS_VALID))	1175	if (!(bg_flags & BG_IS_VALID))
1387	{	1176	{
…		…
1420	bg_flags |= BG_HAS_RENDER_CONV;	1209	bg_flags |= BG_HAS_RENDER_CONV;
1421		1210
1422	XFree (filters);	1211	XFree (filters);
1423	}	1212	}
1424	#endif	1213	#endif
		1214
		1215	#ifdef BG_IMAGE_FROM_FILE
		1216	if (rs[Rs_backgroundPixmap])
		1217	{
		1218	rxvt_image *image = new_image ();
		1219	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1220	image_vec.pop_back ();
		1221	}
		1222
		1223	# ifndef NO_RESOURCES
		1224	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1225	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1226	while (bg_image != image_vec.end ())
		1227	{
		1228	if (!(bg_image->flags & IM_IS_SET))
		1229	bg_image = image_vec.erase (bg_image);
		1230	else
		1231	bg_image++;
		1232	}
		1233	# endif
		1234
		1235	if (image_vec.size () > 0
		1236	&& !bg_window_position_sensitive ())
		1237	update_background ();
		1238	#endif
1425	}	1239	}
1426		1240
1427	#endif /* HAVE_BG_PIXMAP */	1241	#endif /* HAVE_BG_PIXMAP */
1428		1242
1429	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1243	#ifdef ENABLE_TRANSPARENCY
1430	/* based on code from aterm-0.4.2 */	1244	/* based on code from aterm-0.4.2 */
1431		1245
1432	static inline void	1246	static inline void
1433	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1247	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1434	{	1248	{
…		…
1440	lookup[i] = (tmp / 0xffff) << sh;	1254	lookup[i] = (tmp / 0xffff) << sh;
1441	}	1255	}
1442	}	1256	}
1443		1257
1444	void	1258	void
1445	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1259	rxvt_term::tint_ximage (XImage *ximage)
1446	{	1260	{
		1261	unsigned int size_r, size_g, size_b;
1447	int sh_r, sh_g, sh_b;	1262	int sh_r, sh_g, sh_b;
1448	uint32_t mask_r, mask_g, mask_b;	1263	uint32_t mask_r, mask_g, mask_b;
1449	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1264	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1450	unsigned short low;	1265	unsigned short low;
1451	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1266	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1456	mask_r = visual->red_mask;	1271	mask_r = visual->red_mask;
1457	mask_g = visual->green_mask;	1272	mask_g = visual->green_mask;
1458	mask_b = visual->blue_mask;	1273	mask_b = visual->blue_mask;
1459		1274
1460	/* boring lookup table pre-initialization */	1275	/* boring lookup table pre-initialization */
1461	switch (ximage->depth)	1276	sh_r = ecb_ctz32 (mask_r);
1462	{	1277	sh_g = ecb_ctz32 (mask_g);
1463	case 15:	1278	sh_b = ecb_ctz32 (mask_b);
1464	if ((mask_r != 0x7c00) ||	1279
1465	(mask_g != 0x03e0) ||	1280	size_r = mask_r >> sh_r;
1466	(mask_b != 0x001f))	1281	size_g = mask_g >> sh_g;
		1282	size_b = mask_b >> sh_b;
		1283
		1284	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1467	return;	1285	return;
1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1286
		1287	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1469	lookup_r = lookup;	1288	lookup_r = lookup;
1470	lookup_g = lookup+32;	1289	lookup_g = lookup + size_r;
1471	lookup_b = lookup+32+32;	1290	lookup_b = lookup + size_r + size_g;
1472	sh_r = 10;
1473	sh_g = 5;
1474	sh_b = 0;
1475	break;
1476	case 16:
1477	if ((mask_r != 0xf800) ||
1478	(mask_g != 0x07e0) ||
1479	(mask_b != 0x001f))
1480	return;
1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1482	lookup_r = lookup;
1483	lookup_g = lookup+32;
1484	lookup_b = lookup+32+64;
1485	sh_r = 11;
1486	sh_g = 5;
1487	sh_b = 0;
1488	break;
1489	case 24:
1490	if ((mask_r != 0xff0000) ||
1491	(mask_g != 0x00ff00) ||
1492	(mask_b != 0x0000ff))
1493	return;
1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1495	lookup_r = lookup;
1496	lookup_g = lookup+256;
1497	lookup_b = lookup+256+256;
1498	sh_r = 16;
1499	sh_g = 8;
1500	sh_b = 0;
1501	break;
1502	case 32:
1503	if ((mask_r != 0xff0000) ||
1504	(mask_g != 0x00ff00) ||
1505	(mask_b != 0x0000ff))
1506	return;
1507	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1508	lookup_r = lookup;
1509	lookup_g = lookup+256;
1510	lookup_b = lookup+256+256;
1511	sh_r = 16;
1512	sh_g = 8;
1513	sh_b = 0;
1514	break;
1515	default:
1516	return; /* we do not support this color depth */
1517	}
1518		1291
1519	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1292	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1520		1293
1521	if (bg_flags & BG_TINT_SET)	1294	if (bg_flags & BG_TINT_SET)
1522	tint.get (c);	1295	tint.get (c);
…		…
1544	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1317	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1545	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1318	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1546		1319
1547	/* apply table to input image (replacing colors by newly calculated ones) */	1320	/* apply table to input image (replacing colors by newly calculated ones) */
1548	if (ximage->bits_per_pixel == 32	1321	if (ximage->bits_per_pixel == 32
1549	&& (ximage->depth == 24 || ximage->depth == 32)
1550	&& ximage->byte_order == host_byte_order)	1322	&& ximage->byte_order == host_byte_order)
1551	{	1323	{
1552	uint32_t *p1, *pf, *p, *pl;	1324	char *line = ximage->data;
1553	p1 = (uint32_t *) ximage->data;
1554	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1555		1325
1556	while (p1 < pf)	1326	for (int y = 0; y < ximage->height; y++)
1557	{	1327	{
1558	p = p1;	1328	uint32_t *p = (uint32_t *)line;
1559	pl = p1 + ximage->width;	1329	for (int x = 0; x < ximage->width; x++)
1560	for (; p < pl; p++)
1561	{	1330	{
1562	*p = lookup_r[(*p & 0xff0000) >> 16] |	1331	*p = lookup_r[(*p & mask_r) >> sh_r] |
1563	lookup_g[(*p & 0x00ff00) >> 8] |	1332	lookup_g[(*p & mask_g) >> sh_g] |
1564	lookup_b[(*p & 0x0000ff)] |	1333	lookup_b[(*p & mask_b) >> sh_b];
1565	(*p & 0xff000000);	1334	p++;
1566	}	1335	}
1567	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1336	line += ximage->bytes_per_line;
1568	}	1337	}
1569	}	1338	}
1570	else	1339	else
1571	{	1340	{
1572	for (int y = 0; y < ximage->height; y++)	1341	for (int y = 0; y < ximage->height; y++)
…		…
1580	}	1349	}
1581	}	1350	}
1582		1351
1583	free (lookup);	1352	free (lookup);
1584	}	1353	}
1585	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1354	#endif /* ENABLE_TRANSPARENCY */

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