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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.178 by mikachu, Sat Dec 17 01:05:09 2011 UTC vs.
Revision 1.219 by sf-exg, Thu May 24 16:17:33 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54
55	if (bg_pixmap)	63	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
57	}	65	}
58		66
59	bool	67	bool
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	86	return true;
79	# endif	87	# endif
80		88
81	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
83	{	91	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
85	return true;	95	return true;
86	}	96	}
87	# endif	97	# endif
88		98
89	return false;	99	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	107	return true;
98	# endif	108	# endif
99		109
100	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
102	{	112	{
103	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
104	return true;	114	return true;
105	}	115	}
106	# endif	116	# endif
107		117
108	return false;	118	return false;
109	}	119	}
110		120
111	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	122	static inline int
147	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
148	{	124	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
153	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	127	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	129	else
157	return (align + 100) * smaller / 100 - image_size;	130	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	131	}
160		132
161	static inline int	133	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	135	{
…		…
169	src_pos = -pos;	141	src_pos = -pos;
170	dst_pos = 0;	142	dst_pos = 0;
171	dst_size += pos;	143	dst_size += pos;
172	}	144	}
173		145
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	147	return src_pos;
177	}	148	}
178		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
179	bool	185	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
181	{	187	{
182	bool changed = false;	188	bool changed = false;
183	int geom_flags = 0;	189	int geom_flags = 0;
184	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
185	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
186	unsigned long new_flags = bg_flags & ~BG_GEOMETRY_FLAGS;	193	unsigned int h = v_scale;
		194	uint8_t new_flags = 0;
187		195
188	if (geom == NULL)	196	if (geom == NULL)
189	return false;	197	return false;
190		198
191	if (geom[0])	199	if (geom[0])
192	{	200	{
193	char **arr = rxvt_strsplit (':', geom);	201	char **arr = rxvt_strsplit (':', geom);
194		202
195	for (int i = 0; arr[i]; i++)	203	for (int i = 0; arr[i]; i++)
196	{	204	{
197	if (!strcasecmp (arr[i], "style=tiled"))	205	if (!strncasecmp (arr[i], "style=", 6))
198	{	206	{
199	new_flags = BG_TILE;	207	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	208	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	209	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	210	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	211	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	213	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	214	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	215	new_flags |= IM_ROOT_ALIGN;
236		216
237	// deprecated	217	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	218	else if (!strcasecmp (arr[i], "tile"))
239	{	219	{
240	new_flags |= BG_TILE;	220	new_flags |= IM_TILE;
241	w = h = noScale;	221	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	222	geom_flags |= WidthValue|HeightValue;
243	}	223	}
244	else if (!strcasecmp (arr[i], "propscale"))	224	else if (!strcasecmp (arr[i], "propscale"))
245	{	225	{
246	new_flags |= BG_KEEP_ASPECT;	226	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	227	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
249	}	229	}
250	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
251	{	231	{
252	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
253	w = windowScale;	233	w = windowScale;
254	h = noScale;	234	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
256	}	236	}
257	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
258	{	238	{
259	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
260	h = windowScale;	240	h = windowScale;
261	w = noScale;	241	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
263	}	243	}
264	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	252	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	254	}
275	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
276	{	256	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	258	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
280	}	260	}
281		261
282	else	262	else
283	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
284	} /* done parsing ops */	264	} /* done parsing ops */
285		265
286	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
287	}	267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
288		270
289	if (!update)	271	if (!update)
290	{	272	{
291	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
292	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
297	w = h = defaultScale;	279	w = h = defaultScale;
298	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
299	h = w;	281	h = w;
300	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
301	w = h;	283	w = h;
302
303	geom_flags |= WidthValue|HeightValue|XValue|YValue;
304	}
305
306	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
307	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
308	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
309	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
310
311	if (new_flags != bg_flags)
312	{	284	}
		285
		286	clamp_it (x, -100, 200);
		287	clamp_it (y, -100, 200);
		288
		289	if (flags != new_flags
		290	|| h_scale != w
		291	|| v_scale != h
		292	|| h_align != x
		293	|| v_align != y)
		294	{
313	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
314	changed = true;	300	changed = true;
315	}	301	}
316		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
317	return changed;	310	return changed;
318	}	311	}
319		312
320	void	313	void
321	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
322	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
323	int target_width = szHint.width;	318	int target_width = szHint.width;
324	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
325		322
326	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
327	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
328		325
329	if (bg_flags & BG_KEEP_ASPECT)	326	if (image.flags & IM_KEEP_ASPECT)
330	{	327	{
331	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
332	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
333	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
334	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
335	}	332	}
336		333
337	if (!w) w = image_width;	334	if (!w) w = image_width;
338	if (!h) h = image_height;	335	if (!h) h = image_height;
339		336
340	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
341	{	338	{
342	x = -target_x;	339	x = -target_x;
343	y = -target_y;	340	y = -target_y;
344	}	341	}
345	else	342	else
346	{	343	{
347	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
348	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
349	}
350
351	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
352	if (!(bg_flags & BG_TILE)
353	|| h_scale || v_scale
354	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
355	|| w > target_width || h > target_height)
356	bg_flags |= BG_IS_SIZE_SENSITIVE;
357	}
358
359	# ifdef HAVE_AFTERIMAGE
360	bool
361	rxvt_term::render_image (unsigned long tr_flags)
362	{
363	init_asv ();
364
365	ASImage *background = NULL;
366	ARGB32 background_tint = TINT_LEAVE_SAME;
367
368	# ifdef ENABLE_TRANSPARENCY
369	if (tr_flags)
370	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
371
372	if (tr_flags & BG_NEEDS_TINT)
373	{	346	}
374	ShadingInfo as_shade;	347	}
375	as_shade.shading = shade;
376		348
377	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
378	if (bg_flags & BG_TINT_SET)	350	bool
379	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
380	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
381	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
382	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
383		363
384	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
385	}	368	{
386		369	red_mask = 0xff << 16;
387	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
388	{	373	}
389	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
390	ASA_XImage,	375	{
391	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
392	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
393	{	442	{
394	destroy_asimage (&background);	443	a = pixel[3];
395	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
396	}	465	}
397	}
398	# endif
399		466
400	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
401		493
402	int target_width = szHint.width;	494	int target_width = szHint.width;
403	int target_height = szHint.height;	495	int target_height = szHint.height;
404	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
405	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
407	int x = 0;	499	int x = 0;
408	int y = 0;	500	int y = 0;
409	int w = 0;	501	int w = 0;
410	int h = 0;	502	int h = 0;
411		503
412	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
413	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
414		505
415	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
416	|| (!(bg_flags & BG_ROOT_ALIGN)
417	&& (x >= target_width	507	&& (x >= target_width
418	|| y >= target_height	508	|| y >= target_height
419	|| x + w <= 0	509	|| x + w <= 0
420	|| y + h <= 0)))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
421	{	521	}
422	if (background)
423	{
424	new_pmap_width = background->width;
425	new_pmap_height = background->height;
426	result = background;
427		522
428	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	if (image.flags & IM_TILE)
429	{	540	{
430	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
431	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
432	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
433	if (tmp)
434	result = tmp;
435	}
436	}	543	}
437	else
438	new_pmap_width = new_pmap_height = 0;
439	}
440	else
441	{
442	result = original_asim;
443		544
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	545	if (bg_pixmap == None
547	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
548	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
549	{	548	{
550	if (bg_pixmap)	549	if (bg_pixmap)
551	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
552	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	551	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
553	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
554	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
555	}	554	}
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		555
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;	556	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	}	557	}
759		558
760	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
761	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
762		561
763	if (gc)	562	if (gc)
764	{	563	{
765	if (bg_flags & BG_TILE)	564	if (image.flags & IM_TILE)
766	{	565	{
767	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
768	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
769	0, 0,	568	0, 0,
770	0, 0,	569	0, 0,
771	image_width, image_height);	570	image_width, image_height, need_blend);
772		571
773	gcv.tile = tile;	572	gcv.tile = tile;
774	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
775	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
776	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
777	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
778		577
779	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
780	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
781	}	580	}
782	else	581	else
783	{	582	{
784	int src_x, src_y, dst_x, dst_y;	583	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);	587	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
789		588
790	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
791	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
792	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
793	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	592	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
794		593
795	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
796	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
797	src_x, src_y,	596	src_x, src_y,
798	dst_x, dst_y,	597	dst_x, dst_y,
799	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
800	}	599	}
801		600
802	#if XRENDER	601	#if XRENDER
803	if (tr_flags)	602	if (need_blend)
804	{	603	{
805	XRenderPictureAttributes pa;	604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
806
807	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		606
808	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
809		608
810	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
811	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
812		610
813	pa.repeat = True;	611	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		612
819	XRenderColor mask_c;	613	XRenderColor mask_c;
820		614
821	mask_c.alpha = 0x8000;	615	mask_c.alpha = 0x8000;
822	mask_c.red = 0;	616	mask_c.red =
823	mask_c.green = 0;	617	mask_c.green =
824	mask_c.blue = 0;	618	mask_c.blue = 0;
825	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	619	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		620
826	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	621	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
827		622
828	XRenderFreePicture (dpy, src);	623	XRenderFreePicture (dpy, src);
829	XRenderFreePicture (dpy, dst);	624	XRenderFreePicture (dpy, dst);
830	XRenderFreePicture (dpy, mask);	625	XRenderFreePicture (dpy, mask);
…		…
837	}	632	}
838		633
839	if (result != pixbuf)	634	if (result != pixbuf)
840	g_object_unref (result);	635	g_object_unref (result);
841		636
842	if (tr_flags)	637	if (need_blend)
843	XFreePixmap (dpy, root_pmap);	638	XFreePixmap (dpy, tmp_pixmap);
844		639
845	return ret;	640	return ret;
846	}	641	}
847	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
848		643
849	bool	644	bool
850	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
851	{	646	{
852	if (!file || !*file)	647	if (!file || !*file)
853	return false;	648	return false;
854		649
855	bool ret = false;	650	bool ret = false;
…		…
862	memcpy (f, file, len);	657	memcpy (f, file, len);
863	f[len] = '\0';	658	f[len] = '\0';
864	file = f;	659	file = f;
865	}	660	}
866		661
867	# ifdef HAVE_AFTERIMAGE
868	if (!asimman)
869	asimman = create_generic_imageman (rs[Rs_path]);
870	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
871	if (image)
872	{
873	if (original_asim)
874	safe_asimage_destroy (original_asim);
875	original_asim = image;
876	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
877	ret = true;
878	}
879	# endif
880
881	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
882	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
883	if (image)	664	if (image)
884	{	665	{
885	if (pixbuf)	666	if (pixbuf)
886	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
887	pixbuf = image;	668	pixbuf = image;
888	bg_flags |= BG_IS_FROM_FILE;
889	ret = true;	669	ret = true;
890	}	670	}
891	# endif	671	# endif
892		672
893	if (ret)	673	if (ret)
894	{	674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
895	if (p)	679	if (p)
896	bg_set_geometry (p + 1);	680	set_geometry (p + 1);
897	else
898	bg_set_default_geometry ();
899	}	681	}
900		682
901	return ret;	683	return ret;
902	}	684	}
903		685
904	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
905		687
906	# ifdef ENABLE_TRANSPARENCY	688	# 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	689	bool
920	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
921	{	691	{
922	bool changed = false;	692	bool changed = false;
923	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
942	{	712	{
943	changed = true;	713	changed = true;
944	v_blurRadius = vr;	714	v_blurRadius = vr;
945	}	715	}
946		716
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;	717	return changed;
953	}	718	}
954		719
955	void	720	bool
956	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
957	{	722	{
958	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
959	bool has_shade = shade != 100;	724	{
960		725	tint = new_tint;
961	bg_flags &= ~BG_TINT_FLAGS;	726	bg_flags |= BG_TINT_SET;
962		727
963	if (bg_flags & BG_TINT_SET)	728	rgba c;
964	{
965	tint.get (c);	729	tint.get (c);
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
971	}	734	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;	735	bg_flags &= ~BG_TINT_BITAND;
984	set_tint_shade_flags ();	736
985	return true;	737	return true;
986	}	738	}
987		739
988	return false;	740	return false;
989	}	741	}
990		742
991	bool	743	bool
992	rxvt_term::bg_set_shade (const char *shade_str)	744	rxvt_term::bg_set_shade (const char *shade_str)
993	{	745	{
994	int new_shade = (shade_str) ? atoi (shade_str) : 100;	746	int new_shade = atoi (shade_str);
995		747
996	clamp_it (new_shade, -100, 200);	748	clamp_it (new_shade, -100, 200);
997	if (new_shade < 0)	749	if (new_shade < 0)
998	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
999		751
1000	if (new_shade != shade)	752	if (new_shade != shade)
1001	{	753	{
1002	shade = new_shade;	754	shade = new_shade;
1003	set_tint_shade_flags ();
1004	return true;	755	return true;
1005	}	756	}
1006		757
1007	return false;	758	return false;
1008	}	759	}
…		…
1029	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1030	}	781	}
1031	#endif	782	#endif
1032		783
1033	bool	784	bool
1034	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1035	{	786	{
1036	bool ret = false;	787	bool ret = false;
1037	#if XRENDER	788	#if XRENDER
		789	if (!(bg_flags & BG_HAS_RENDER_CONV))
		790	return false;
		791
1038	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1039	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1040	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1041		795
1042	XRenderPictureAttributes pa;	796	XRenderPictureAttributes pa;
1043	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1044		798
		799	pa.repeat = RepeatPad;
1045	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	800	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		801	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1046	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1047		804
1048	if (kernel && params)	805	if (kernel && params)
1049	{	806	{
1050	if (h_blurRadius)
1051	{
1052	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1053	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1054		809
1055	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	810	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1056	XRenderComposite (dpy,	811	XRenderComposite (dpy,
1057	PictOpSrc,	812	PictOpSrc,
1058	src,	813	src,
1059	None,	814	None,
1060	dst,	815	dst,
1061	0, 0,	816	0, 0,
1062	0, 0,	817	0, 0,
1063	0, 0,	818	0, 0,
1064	width, height);	819	width, height);
1065	}
1066		820
1067	if (v_blurRadius)	821	::swap (src, dst);
1068	{	822
1069	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1070	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1071	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1072		826
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	828	XRenderComposite (dpy,
1075	PictOpSrc,	829	PictOpSrc,
1076	src,	830	src,
1077	None,	831	None,
1078	dst,	832	dst,
1079	0, 0,	833	0, 0,
1080	0, 0,	834	0, 0,
1081	0, 0,	835	0, 0,
1082	width, height);	836	width, height);
1083	}
1084		837
1085	ret = true;	838	ret = true;
1086	}	839	}
1087		840
1088	free (kernel);	841	free (kernel);
…		…
1092	#endif	845	#endif
1093	return ret;	846	return ret;
1094	}	847	}
1095		848
1096	bool	849	bool
1097	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1098	{	851	{
1099	bool ret = false;	852	bool ret = false;
1100		853
1101	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1102	{	855	{
1103	XGCValues gcv;	856	XGCValues gcv;
1104	GC gc;	857	GC gc;
1105		858
1106	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1115	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	868	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1116	ret = true;	869	ret = true;
1117	XFreeGC (dpy, gc);	870	XFreeGC (dpy, gc);
1118	}	871	}
1119	}	872	}
1120	else
1121	{
1122	# if XRENDER	873	# if XRENDER
		874	else if (bg_flags & BG_HAS_RENDER)
		875	{
1123	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	876	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1124		877
1125	if (bg_flags & BG_TINT_SET)	878	if (bg_flags & BG_TINT_SET)
1126	tint.get (c);	879	tint.get (c);
1127		880
…		…
1136	c.r = c.r * (200 - shade) / 100;	889	c.r = c.r * (200 - shade) / 100;
1137	c.g = c.g * (200 - shade) / 100;	890	c.g = c.g * (200 - shade) / 100;
1138	c.b = c.b * (200 - shade) / 100;	891	c.b = c.b * (200 - shade) / 100;
1139	}	892	}
1140		893
1141	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1142	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	894	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1143	XRenderPictureAttributes pa;
1144		895
1145	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	896	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1146		897
1147	pa.repeat = True;	898	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1148		899
1149	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	900	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1150	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1151	XFreePixmap (dpy, overlay_pmap);
1152
1153	pa.component_alpha = True;
1154	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1155	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1156	XFreePixmap (dpy, mask_pmap);
1157		901
1158	XRenderColor mask_c;	902	XRenderColor mask_c;
1159		903
1160	mask_c.alpha = 0xffff;	904	mask_c.alpha = 0xffff;
1161	mask_c.red =	905	mask_c.red =
…		…
1166	mask_c.alpha = 0;	910	mask_c.alpha = 0;
1167	mask_c.red = 0xffff - c.r;	911	mask_c.red = 0xffff - c.r;
1168	mask_c.green = 0xffff - c.g;	912	mask_c.green = 0xffff - c.g;
1169	mask_c.blue = 0xffff - c.b;	913	mask_c.blue = 0xffff - c.b;
1170	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	914	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		915
1171	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	916	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1172		917
1173	if (shade > 100)	918	if (shade > 100)
1174	{	919	{
1175	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1176	mask_c.alpha = 0;	920	mask_c.alpha = 0;
		921	mask_c.red =
		922	mask_c.green =
		923	mask_c.blue = 0xffff * (shade - 100) / 100;
1177	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	924	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1178		925
1179	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	926	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1180	}	927	}
1181		928
1182	ret = true;	929	ret = true;
1183		930
1184	XRenderFreePicture (dpy, mask_pic);	931	XRenderFreePicture (dpy, mask_pic);
1185	XRenderFreePicture (dpy, overlay_pic);	932	XRenderFreePicture (dpy, overlay_pic);
1186	XRenderFreePicture (dpy, back_pic);	933	XRenderFreePicture (dpy, back_pic);
		934	}
1187	# endif	935	# endif
1188	}
1189		936
1190	return ret;	937	return ret;
1191	}	938	}
1192		939
1193	/*	940	/*
1194	* Builds a pixmap of the same size as the terminal window that contains	941	* Builds a pixmap of the same size as the terminal window that contains
1195	* the tiled portion of the root pixmap that is supposed to be covered by	942	* the tiled portion of the root pixmap that is supposed to be covered by
1196	* our window.	943	* our window.
1197	*/	944	*/
1198	unsigned long	945	bool
1199	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1200	{	947	{
1201	unsigned long result = 0;	948	bool ret = false;
1202		949
1203	/* root dimensions may change from call to call - but Display structure should	950	/* root dimensions may change from call to call - but Display structure should
1204	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1205	*/	952	*/
1206	int screen = display->screen;	953	int screen = display->screen;
…		…
1244	#if XRENDER	991	#if XRENDER
1245	if (bg_flags & BG_HAS_RENDER)	992	if (bg_flags & BG_HAS_RENDER)
1246	{	993	{
1247	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	994	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1248		995
1249	XRenderPictureAttributes pa;
1250
1251	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	996	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1252	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	997	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1253		998
1254	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	999	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1255	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1000	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1256		1001
1257	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1002	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1258		1003
1259	XRenderFreePicture (dpy, src);	1004	XRenderFreePicture (dpy, src);
1260	XRenderFreePicture (dpy, dst);	1005	XRenderFreePicture (dpy, dst);
…		…
1289	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1290		1035
1291	if (gc)	1036	if (gc)
1292	{	1037	{
1293	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1294	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1039	ret = true;
		1040	bool need_blur = h_blurRadius && v_blurRadius;
		1041	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1042
		1043	if (!(bg_flags & BG_CLIENT_RENDER))
		1044	{
		1045	if (need_blur)
		1046	{
		1047	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1048	need_blur = false;
		1049	}
		1050	if (need_tint)
		1051	{
		1052	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1053	need_tint = false;
		1054	}
		1055	if (need_tint)
		1056	{
		1057	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1058	if (ximage)
		1059	{
		1060	/* our own client-side tinting */
		1061	tint_ximage (ximage);
		1062
		1063	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1064	XDestroyImage (ximage);
		1065	}
		1066	}
		1067	} /* server side rendering completed */
		1068
1295	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1296
1297	if (!(bg_flags & BG_CLIENT_RENDER))
1298	{
1299	if ((bg_flags & BG_NEEDS_BLUR)
1300	&& (bg_flags & BG_HAS_RENDER_CONV))
1301	{
1302	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1303	result &= ~BG_NEEDS_BLUR;
1304	}
1305	if ((bg_flags & BG_NEEDS_TINT)
1306	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1307	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;
1310	}
1311	} /* server side rendering completed */
1312	}	1070	}
1313		1071
1314	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1315	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1316		1074
1317	return result;	1075	return ret;
1318	}	1076	}
1319		1077
1320	void	1078	void
1321	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1322	{	1080	{
…		…
1326		1084
1327	root_pixmap = new_root_pixmap;	1085	root_pixmap = new_root_pixmap;
1328	}	1086	}
1329	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1330		1088
1331	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1332	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1333	# endif
1334
1335	bool	1089	bool
1336	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1337	{	1091	{
1338	unsigned long tr_flags = 0;
1339
1340	bg_invalidate ();	1092	bg_invalidate ();
1341	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1342	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1343	{	1095	{
1344	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1345	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1346	if (tr_flags == 0)
1347	return false;
1348	bg_flags |= BG_IS_VALID;	1098	bg_flags |= BG_IS_VALID;
1349	}	1099	}
1350	# endif	1100	# endif
1351		1101
1352	# ifdef BG_IMAGE_FROM_FILE	1102	# ifdef BG_IMAGE_FROM_FILE
1353	if ((bg_flags & BG_IS_FROM_FILE)	1103	if (bg_image.flags & IM_IS_SET)
1354	|| (tr_flags & BG_EFFECTS_FLAGS))
1355	{	1104	{
1356	if (render_image (tr_flags))	1105	if (render_image (bg_image))
1357	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1358	}
1359	# endif
1360
1361	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1362	XImage *result = NULL;
1363
1364	if (tr_flags & BG_NEEDS_TINT)
1365	{
1366	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1367	}
1368
1369	if (result)
1370	{
1371	/* our own client-side tinting */
1372	//if (tr_flags & BG_NEEDS_TINT)
1373	if (1)
1374	{
1375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1376	if (bg_flags & BG_TINT_SET)
1377	tint.get (c);
1378	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1379	}
1380
1381	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1382
1383	if (gc)
1384	{
1385	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1386
1387	XFreeGC (dpy, gc);
1388	}
1389
1390	XDestroyImage (result);
1391	}	1107	}
1392	# endif	1108	# endif
1393		1109
1394	if (!(bg_flags & BG_IS_VALID))	1110	if (!(bg_flags & BG_IS_VALID))
1395	{	1111	{
…		…
1432	#endif	1148	#endif
1433	}	1149	}
1434		1150
1435	#endif /* HAVE_BG_PIXMAP */	1151	#endif /* HAVE_BG_PIXMAP */
1436		1152
1437	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1153	#ifdef ENABLE_TRANSPARENCY
1438	/* based on code from aterm-0.4.2 */	1154	/* based on code from aterm-0.4.2 */
1439		1155
1440	static void	1156	static inline void
1441	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1157	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1442	{	1158	{
		1159	for (int i = 0; i <= mask >> sh; i++)
		1160	{
		1161	uint32_t tmp;
		1162	tmp = i * high;
		1163	tmp += (mask >> sh) * low;
		1164	lookup[i] = (tmp / 0xffff) << sh;
		1165	}
		1166	}
		1167
		1168	void
		1169	rxvt_term::tint_ximage (XImage *ximage)
		1170	{
		1171	unsigned int size_r, size_g, size_b;
1443	int sh_r, sh_g, sh_b;	1172	int sh_r, sh_g, sh_b;
1444	uint32_t mask_r, mask_g, mask_b;	1173	uint32_t mask_r, mask_g, mask_b;
1445	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1174	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1446	rgba low;	1175	unsigned short low;
1447	rgba high;
1448	int i;
1449	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1176	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1450		1177
1451	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1178	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1452		1179
1453	/* for convenience */	1180	/* for convenience */
1454	mask_r = visual->red_mask;	1181	mask_r = visual->red_mask;
1455	mask_g = visual->green_mask;	1182	mask_g = visual->green_mask;
1456	mask_b = visual->blue_mask;	1183	mask_b = visual->blue_mask;
1457		1184
1458	/* boring lookup table pre-initialization */	1185	/* boring lookup table pre-initialization */
1459	switch (ximage->depth)	1186	sh_r = ecb_ctz32 (mask_r);
1460	{	1187	sh_g = ecb_ctz32 (mask_g);
1461	case 15:	1188	sh_b = ecb_ctz32 (mask_b);
1462	if ((mask_r != 0x7c00) ||	1189
1463	(mask_g != 0x03e0) ||	1190	size_r = mask_r >> sh_r;
1464	(mask_b != 0x001f))	1191	size_g = mask_g >> sh_g;
		1192	size_b = mask_b >> sh_b;
		1193
		1194	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1465	return;	1195	return;
1466	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1196
		1197	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1467	lookup_r = lookup;	1198	lookup_r = lookup;
1468	lookup_g = lookup+32;	1199	lookup_g = lookup + size_r;
1469	lookup_b = lookup+32+32;	1200	lookup_b = lookup + size_r + size_g;
1470	sh_r = 10;	1201
1471	sh_g = 5;	1202	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1472	sh_b = 0;	1203
1473	break;	1204	if (bg_flags & BG_TINT_SET)
1474	case 16:	1205	tint.get (c);
1475	if ((mask_r != 0xf800) ||
1476	(mask_g != 0x07e0) ||
1477	(mask_b != 0x001f))
1478	return;
1479	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1480	lookup_r = lookup;
1481	lookup_g = lookup+32;
1482	lookup_b = lookup+32+64;
1483	sh_r = 11;
1484	sh_g = 5;
1485	sh_b = 0;
1486	break;
1487	case 24:
1488	if ((mask_r != 0xff0000) ||
1489	(mask_g != 0x00ff00) ||
1490	(mask_b != 0x0000ff))
1491	return;
1492	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1493	lookup_r = lookup;
1494	lookup_g = lookup+256;
1495	lookup_b = lookup+256+256;
1496	sh_r = 16;
1497	sh_g = 8;
1498	sh_b = 0;
1499	break;
1500	case 32:
1501	if ((mask_r != 0xff0000) ||
1502	(mask_g != 0x00ff00) ||
1503	(mask_b != 0x0000ff))
1504	return;
1505	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1506	lookup_r = lookup;
1507	lookup_g = lookup+256;
1508	lookup_b = lookup+256+256;
1509	sh_r = 16;
1510	sh_g = 8;
1511	sh_b = 0;
1512	break;
1513	default:
1514	return; /* we do not support this color depth */
1515	}
1516		1206
1517	/* prepare limits for color transformation (each channel is handled separately) */	1207	/* prepare limits for color transformation (each channel is handled separately) */
1518	if (shade > 100)	1208	if (shade > 100)
1519	{	1209	{
1520	shade = 200 - shade;
1521
1522	high.r = c.r * shade / 100;
1523	high.g = c.g * shade / 100;
1524	high.b = c.b * shade / 100;
1525
1526	low.r = 65535 * (100 - shade) / 100;	1210	c.r = c.r * (200 - shade) / 100;
1527	low.g = 65535 * (100 - shade) / 100;	1211	c.g = c.g * (200 - shade) / 100;
1528	low.b = 65535 * (100 - shade) / 100;	1212	c.b = c.b * (200 - shade) / 100;
		1213
		1214	low = 0xffff * (shade - 100) / 100;
1529	}	1215	}
1530	else	1216	else
1531	{	1217	{
1532	high.r = c.r * shade / 100;	1218	c.r = c.r * shade / 100;
1533	high.g = c.g * shade / 100;	1219	c.g = c.g * shade / 100;
1534	high.b = c.b * shade / 100;	1220	c.b = c.b * shade / 100;
1535		1221
1536	low.r = low.g = low.b = 0;	1222	low = 0;
1537	}	1223	}
1538		1224
1539	/* fill our lookup tables */	1225	/* fill our lookup tables */
1540	for (i = 0; i <= mask_r>>sh_r; i++)	1226	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1541	{	1227	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1542	uint32_t tmp;	1228	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1543	tmp = i * high.r;
1544	tmp += (mask_r>>sh_r) * low.r;
1545	lookup_r[i] = (tmp/65535)<<sh_r;
1546	}
1547	for (i = 0; i <= mask_g>>sh_g; i++)
1548	{
1549	uint32_t tmp;
1550	tmp = i * high.g;
1551	tmp += (mask_g>>sh_g) * low.g;
1552	lookup_g[i] = (tmp/65535)<<sh_g;
1553	}
1554	for (i = 0; i <= mask_b>>sh_b; i++)
1555	{
1556	uint32_t tmp;
1557	tmp = i * high.b;
1558	tmp += (mask_b>>sh_b) * low.b;
1559	lookup_b[i] = (tmp/65535)<<sh_b;
1560	}
1561		1229
1562	/* apply table to input image (replacing colors by newly calculated ones) */	1230	/* apply table to input image (replacing colors by newly calculated ones) */
1563	if (ximage->bits_per_pixel == 32	1231	if (ximage->bits_per_pixel == 32
1564	&& (ximage->depth == 24 || ximage->depth == 32)
1565	&& ximage->byte_order == host_byte_order)	1232	&& ximage->byte_order == host_byte_order)
1566	{	1233	{
1567	uint32_t *p1, *pf, *p, *pl;	1234	char *line = ximage->data;
1568	p1 = (uint32_t *) ximage->data;
1569	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1570		1235
1571	while (p1 < pf)	1236	for (int y = 0; y < ximage->height; y++)
1572	{
1573	p = p1;
1574	pl = p1 + ximage->width;
1575	for (; p < pl; p++)
1576	{	1237	{
1577	*p = lookup_r[(*p & 0xff0000) >> 16] |	1238	uint32_t *p = (uint32_t *)line;
1578	lookup_g[(*p & 0x00ff00) >> 8] |	1239	for (int x = 0; x < ximage->width; x++)
1579	lookup_b[(*p & 0x0000ff)] |
1580	(*p & 0xff000000);
1581	}	1240	{
1582	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1241	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1242	lookup_g[(*p & mask_g) >> sh_g] |
		1243	lookup_b[(*p & mask_b) >> sh_b];
		1244	p++;
		1245	}
		1246	line += ximage->bytes_per_line;
1583	}	1247	}
1584	}	1248	}
1585	else	1249	else
1586	{	1250	{
1587	for (int y = 0; y < ximage->height; y++)	1251	for (int y = 0; y < ximage->height; y++)
…		…
1595	}	1259	}
1596	}	1260	}
1597		1261
1598	free (lookup);	1262	free (lookup);
1599	}	1263	}
1600	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1264	#endif /* ENABLE_TRANSPARENCY */

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