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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 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_PROP_SCALE;
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=pscale"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	213	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	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_PROP_SCALE;	226	new_flags |= IM_KEEP_ASPECT;
		227	w = h = windowScale;
		228	geom_flags |= WidthValue|HeightValue;
247	}	229	}
248	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
249	{	231	{
250	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
251	w = windowScale;	233	w = windowScale;
252	h = noScale;	234	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
254	}	236	}
255	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
256	{	238	{
257	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
258	h = windowScale;	240	h = windowScale;
259	w = noScale;	241	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
261	}	243	}
262	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	252	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	254	}
273	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
274	{	256	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	258	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
278	}	260	}
279		261
280	else	262	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	263	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	264	} /* done parsing ops */
283		265
284	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
285	}	267	}
		268
		269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		270
287	if (!update)	271	if (!update)
288	{	272	{
289	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	279	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
297	h = w;	281	h = w;
298	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
299	w = h;	283	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)
305	|| check_set_scale_value (geom_flags, HeightValue, v_scale, h)
306	|| check_set_align_value (geom_flags, XValue, h_align, x)
307	|| check_set_align_value (geom_flags, YValue, v_align, y))
308	changed = true;
309
310	if (new_flags != bg_flags)
311	{	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	{
312	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
313	changed = true;	300	changed = true;
314	}	301	}
315		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
316	return changed;	310	return changed;
317	}	311	}
318		312
319	void	313	void
320	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)
321	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
322	int target_width = szHint.width;	318	int target_width = szHint.width;
323	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);
324		322
325	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
326	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
327		325
328	if (bg_flags & BG_PROP_SCALE)	326	if (image.flags & IM_KEEP_ASPECT)
329	{	327	{
330	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
331	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
332	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
333	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
334	}	332	}
335		333
336	if (!w) w = image_width;	334	if (!w) w = image_width;
337	if (!h) h = image_height;	335	if (!h) h = image_height;
338		336
339	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
340	{	338	{
341	x = -target_x;	339	x = -target_x;
342	y = -target_y;	340	y = -target_y;
343	}	341	}
344	else	342	else
345	{	343	{
346	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
347	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
348	}
349
350	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351	if (!(bg_flags & BG_TILE)
352	|| h_scale || v_scale
353	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
354	|| w > target_width || h > target_height)
355	bg_flags |= BG_IS_SIZE_SENSITIVE;
356	}
357
358	# ifdef HAVE_AFTERIMAGE
359	bool
360	rxvt_term::render_image (unsigned long tr_flags)
361	{
362	init_asv ();
363
364	ASImage *background = NULL;
365	ARGB32 background_tint = TINT_LEAVE_SAME;
366
367	# ifdef ENABLE_TRANSPARENCY
368	if (tr_flags)
369	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371	if (tr_flags & BG_NEEDS_TINT)
372	{	346	}
373	ShadingInfo as_shade;	347	}
374	as_shade.shading = shade;
375		348
376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
377	if (bg_flags & BG_TINT_SET)	350	bool
378	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
379	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
380	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
381	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;
382		363
383	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
384	}	368	{
385		369	red_mask = 0xff << 16;
386	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
387	{	373	}
388	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
389	ASA_XImage,	375	{
390	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);
391	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)
392	{	442	{
393	destroy_asimage (&background);	443	a = pixel[3];
394	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);
395	}	465	}
396	}
397	# endif
398		466
399	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);
400		493
401	int target_width = szHint.width;	494	int target_width = szHint.width;
402	int target_height = szHint.height;	495	int target_height = szHint.height;
403	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
404	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
406	int x = 0;	499	int x = 0;
407	int y = 0;	500	int y = 0;
408	int w = 0;	501	int w = 0;
409	int h = 0;	502	int h = 0;
410		503
411	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
412	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413		505
414	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
415	|| (!(bg_flags & BG_ROOT_ALIGN)
416	&& (x >= target_width	507	&& (x >= target_width
417	|| y >= target_height	508	|| y >= target_height
418	|| x + w <= 0	509	|| x + w <= 0
419	|| 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);
420	{	521	}
421	if (background)
422	{
423	new_pmap_width = background->width;
424	new_pmap_height = background->height;
425	result = background;
426		522
427	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)
428	{	540	{
429	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
430	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
431	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432	if (tmp)
433	result = tmp;
434	}
435	}	543	}
436	else
437	new_pmap_width = new_pmap_height = 0;
438	}
439	else
440	{
441	result = original_asim;
442		544
443	if (w != original_asim->width
444	|| h != original_asim->height)
445	{
446	result = scale_asimage (asv, original_asim,
447	w, h,
448	ASA_XImage,
449	100, ASIMAGE_QUALITY_DEFAULT);
450	}
451
452	if (background == NULL)
453	{
454	if (bg_flags & BG_TILE)
455	{
456	/* if tiling - pixmap has to be sized exactly as the image,
457	but there is no need to make it bigger than the window! */
458	new_pmap_width = min (result->width, target_width);
459	new_pmap_height = min (result->height, target_height);
460
461	/* we also need to tile our image in both directions */
462	ASImage *tmp = tile_asimage (asv, result,
463	(int)result->width - x,
464	(int)result->height - y,
465	new_pmap_width,
466	new_pmap_height,
467	TINT_LEAVE_SAME, ASA_XImage,
468	100, ASIMAGE_QUALITY_DEFAULT);
469	if (tmp)
470	{
471	if (result != original_asim)
472	destroy_asimage (&result);
473
474	result = tmp;
475	}
476	}
477	}
478	else
479	{
480	/* if blending background and image - pixmap has to be sized same as target window */
481	ASImageLayer *layers = create_image_layers (2);
482
483	layers[0].im = background;
484	layers[0].clip_width = target_width;
485	layers[0].clip_height = target_height;
486	layers[0].tint = background_tint;
487	layers[1].im = result;
488
489	if (bg_flags & BG_TILE)
490	{
491	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{
498	/* clip horizontally */
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width;
501	}
502
503	if (bg_flags & BG_TILE)
504	{
505	while (y > 0) y -= (int)result->height;
506	layers[1].dst_y = y;
507	layers[1].clip_height = result->height + target_height;
508	}
509	else
510	{
511	layers[1].dst_y = y;
512	layers[1].clip_height = result->height;
513	}
514
515	if (rs[Rs_blendtype])
516	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;
520	}
521
522	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525	if (tmp)
526	{
527	if (result != original_asim)
528	destroy_asimage (&result);
529
530	result = tmp;
531	}
532
533	free (layers);
534	}
535	}
536
537	bool ret = false;
538
539	if (result)
540	{
541	XGCValues gcv;
542	GC gc;
543
544	/* create Pixmap */
545	if (bg_pixmap == None	545	if (bg_pixmap == None
546	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
547	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
548	{	548	{
549	if (bg_pixmap)	549	if (bg_pixmap)
550	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
551	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);
552	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
553	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
554	}	554	}
555	/* fill with background color (if result's not completely overlapping it) */
556	gcv.foreground = pix_colors[Color_bg];
557	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558		555
559	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560	int dst_width = result->width, dst_height = result->height;
561	if (background == NULL)
562	{
563	if (!(bg_flags & BG_TILE))
564	{
565	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567	}
568
569	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)
572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573	}
574
575	/* put result on pixmap */
576	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579	if (result != background && result != original_asim)
580	destroy_asimage (&result);
581
582	XFreeGC (dpy, gc);
583
584	ret = true;
585	}
586
587	if (background)
588	destroy_asimage (&background);
589
590	return ret;
591	}
592	# endif /* HAVE_AFTERIMAGE */
593
594	# ifdef HAVE_PIXBUF
595	bool
596	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597	int src_x, int src_y, int dst_x, int dst_y,
598	unsigned int width, unsigned int height)
599	{
600	XImage *ximage;
601	char *data, *line;
602	int bytes_per_pixel;
603	int width_r, width_g, width_b;
604	int sh_r, sh_g, sh_b;
605	int rowstride;
606	int channels;
607	unsigned char *row;
608
609	if (visual->c_class != TrueColor)
610	return false;
611
612	if (depth == 24 || depth == 32)
613	bytes_per_pixel = 4;
614	else if (depth == 15 || depth == 16)
615	bytes_per_pixel = 2;
616	else
617	return false;
618
619	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);
622
623	if (width_r > 8 || width_g > 8 || width_b > 8)
624	return false;
625
626	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);
629
630	if (width > INT_MAX / height / bytes_per_pixel)
631	return false;
632
633	data = (char *)malloc (width * height * bytes_per_pixel);
634	if (!data)
635	return false;
636
637	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
638	width, height, bytes_per_pixel * 8, 0);
639	if (!ximage)
640	{
641	free (data);
642	return false;
643	}
644
645	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
646
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;
651
652	for (int y = 0; y < height; y++)
653	{
654	for (int x = 0; x < width; x++)
655	{
656	unsigned char *pixel = row + x * channels;
657	uint32_t value;
658
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)
660	| ((pixel[1] >> (8 - width_g)) << sh_g)
661	| ((pixel[2] >> (8 - width_b)) << sh_b);
662
663	if (bytes_per_pixel == 4)
664	((uint32_t *)line)[x] = value;
665	else
666	((uint16_t *)line)[x] = value;
667	}
668
669	row += rowstride;
670	line += ximage->bytes_per_line;
671	}
672
673	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
674	XDestroyImage (ximage);
675	return true;
676	}
677
678	bool
679	rxvt_term::render_image (unsigned long tr_flags)
680	{
681	if (!pixbuf)
682	return false;
683
684	if (tr_flags
685	&& !(bg_flags & BG_HAS_RENDER))
686	return false;
687
688	GdkPixbuf *result;
689
690	int image_width = gdk_pixbuf_get_width (pixbuf);
691	int image_height = gdk_pixbuf_get_height (pixbuf);
692
693	int target_width = szHint.width;
694	int target_height = szHint.height;
695	int new_pmap_width = target_width;
696	int new_pmap_height = target_height;
697
698	int x = 0;
699	int y = 0;
700	int w = 0;
701	int h = 0;
702
703	get_image_geometry (image_width, image_height, w, h, x, y);
704
705	if (!(bg_flags & BG_ROOT_ALIGN)
706	&& (x >= target_width
707	|| y >= target_height
708	|| x + w <= 0
709	|| y + h <= 0))
710	return false;
711
712	result = pixbuf;
713
714	if (w != image_width
715	|| h != image_height)
716	{
717	result = gdk_pixbuf_scale_simple (pixbuf,
718	w, h,
719	GDK_INTERP_BILINEAR);
720	}
721
722	if (!result)
723	return false;
724
725	bool ret = false;
726
727	XGCValues gcv;
728	GC gc;
729	Pixmap root_pmap;
730
731	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);
733
734	if (tr_flags)
735	{
736	root_pmap = bg_pixmap;	556	tmp_pixmap = bg_pixmap;
737	bg_pixmap = None;
738	}
739	else
740	{
741	if (bg_flags & BG_TILE)
742	{
743	new_pmap_width = min (image_width, target_width);
744	new_pmap_height = min (image_height, target_height);
745	}
746	}
747
748	if (bg_pixmap == None
749	|| bg_pmap_width != new_pmap_width
750	|| bg_pmap_height != new_pmap_height)
751	{
752	if (bg_pixmap)
753	XFreePixmap (dpy, bg_pixmap);
754	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
755	bg_pmap_width = new_pmap_width;
756	bg_pmap_height = new_pmap_height;
757	}	557	}
758		558
759	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
760	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
761		561
762	if (gc)	562	if (gc)
763	{	563	{
764	if (bg_flags & BG_TILE)	564	if (image.flags & IM_TILE)
765	{	565	{
766	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
767	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
768	0, 0,	568	0, 0,
769	0, 0,	569	0, 0,
770	image_width, image_height);	570	image_width, image_height, need_blend);
771		571
772	gcv.tile = tile;	572	gcv.tile = tile;
773	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
774	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
775	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
776	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
777		577
778	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);
779	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
780	}	580	}
781	else	581	else
782	{	582	{
783	int src_x, src_y, dst_x, dst_y;	583	int src_x, src_y, dst_x, dst_y;
…		…
787	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);
788		588
789	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
790	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
791	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
792	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);
793		593
794	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
795	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
796	src_x, src_y,	596	src_x, src_y,
797	dst_x, dst_y,	597	dst_x, dst_y,
798	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
799	}	599	}
800		600
801	#if XRENDER	601	#if XRENDER
802	if (tr_flags)	602	if (need_blend)
803	{	603	{
804	XRenderPictureAttributes pa;	604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		606
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
808		608
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		610
812	pa.repeat = True;	611	Picture mask = create_xrender_mask (dpy, vt, False, False);
813	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816	XFreePixmap (dpy, mask_pmap);
817		612
818	XRenderColor mask_c;	613	XRenderColor mask_c;
819		614
820	mask_c.alpha = 0x8000;	615	mask_c.alpha = 0x8000;
821	mask_c.red = 0;	616	mask_c.red =
822	mask_c.green = 0;	617	mask_c.green =
823	mask_c.blue = 0;	618	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	619	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		620
825	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);
826		622
827	XRenderFreePicture (dpy, src);	623	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	624	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	625	XRenderFreePicture (dpy, mask);
…		…
836	}	632	}
837		633
838	if (result != pixbuf)	634	if (result != pixbuf)
839	g_object_unref (result);	635	g_object_unref (result);
840		636
841	if (tr_flags)	637	if (need_blend)
842	XFreePixmap (dpy, root_pmap);	638	XFreePixmap (dpy, tmp_pixmap);
843		639
844	return ret;	640	return ret;
845	}	641	}
846	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
847		643
848	bool	644	bool
849	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
850	{	646	{
851	if (!file || !*file)	647	if (!file || !*file)
852	return false;	648	return false;
853		649
854	bool ret = false;	650	bool ret = false;
…		…
861	memcpy (f, file, len);	657	memcpy (f, file, len);
862	f[len] = '\0';	658	f[len] = '\0';
863	file = f;	659	file = f;
864	}	660	}
865		661
866	# ifdef HAVE_AFTERIMAGE
867	if (!asimman)
868	asimman = create_generic_imageman (rs[Rs_path]);
869	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
870	if (image)
871	{
872	if (original_asim)
873	safe_asimage_destroy (original_asim);
874	original_asim = image;
875	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
876	ret = true;
877	}
878	# endif
879
880	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	664	if (image)
883	{	665	{
884	if (pixbuf)	666	if (pixbuf)
885	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
886	pixbuf = image;	668	pixbuf = image;
887	bg_flags |= BG_IS_FROM_FILE;
888	ret = true;	669	ret = true;
889	}	670	}
890	# endif	671	# endif
891		672
892	if (ret)	673	if (ret)
893	{	674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
894	if (p)	679	if (p)
895	bg_set_geometry (p + 1);	680	set_geometry (p + 1);
896	else
897	bg_set_default_geometry ();
898	}	681	}
899		682
900	return ret;	683	return ret;
901	}	684	}
902		685
903	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
904		687
905	# ifdef ENABLE_TRANSPARENCY	688	# ifdef ENABLE_TRANSPARENCY
906	bool
907	rxvt_term::bg_set_transparent ()
908	{
909	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{
911	bg_flags |= BG_IS_TRANSPARENT;
912	return true;
913	}
914
915	return false;
916	}
917
918	bool	689	bool
919	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
920	{	691	{
921	bool changed = false;	692	bool changed = false;
922	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
941	{	712	{
942	changed = true;	713	changed = true;
943	v_blurRadius = vr;	714	v_blurRadius = vr;
944	}	715	}
945		716
946	if (v_blurRadius == 0 && h_blurRadius == 0)
947	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags |= BG_NEEDS_BLUR;
950
951	return changed;	717	return changed;
952	}	718	}
953		719
954	void	720	bool
955	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
956	{	722	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
958	bool has_shade = shade != 100;	724	{
959		725	tint = new_tint;
960	bg_flags &= ~BG_TINT_FLAGS;	726	bg_flags |= BG_TINT_SET;
961		727
962	if (bg_flags & BG_TINT_SET)	728	rgba c;
963	{
964	tint.get (c);	729	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
967	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
968	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
969	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
970	}	734	else
971
972	if (has_shade || (bg_flags & BG_TINT_SET))
973	bg_flags |= BG_NEEDS_TINT;
974	}
975
976	bool
977	rxvt_term::bg_set_tint (rxvt_color &new_tint)
978	{
979	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
980	{
981	tint = new_tint;
982	bg_flags |= BG_TINT_SET;	735	bg_flags &= ~BG_TINT_BITAND;
983	set_tint_shade_flags ();	736
984	return true;	737	return true;
985	}	738	}
986		739
987	return false;	740	return false;
988	}	741	}
989		742
990	bool	743	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	744	rxvt_term::bg_set_shade (const char *shade_str)
992	{	745	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	746	int new_shade = atoi (shade_str);
994		747
995	clamp_it (new_shade, -100, 200);	748	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	749	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
998		751
999	if (new_shade != shade)	752	if (new_shade != shade)
1000	{	753	{
1001	shade = new_shade;	754	shade = new_shade;
1002	set_tint_shade_flags ();
1003	return true;	755	return true;
1004	}	756	}
1005		757
1006	return false;	758	return false;
1007	}	759	}
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	781	}
1030	#endif	782	#endif
1031		783
1032	bool	784	bool
1033	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1034	{	786	{
1035	bool ret = false;	787	bool ret = false;
1036	#if XRENDER	788	#if XRENDER
		789	if (!(bg_flags & BG_HAS_RENDER_CONV))
		790	return false;
		791
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1039	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1040		795
1041	XRenderPictureAttributes pa;	796	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043		798
		799	pa.repeat = RepeatPad;
1044	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);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1046		804
1047	if (kernel && params)	805	if (kernel && params)
1048	{	806	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		809
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	810	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	811	XRenderComposite (dpy,
1056	PictOpSrc,	812	PictOpSrc,
1057	src,	813	src,
1058	None,	814	None,
1059	dst,	815	dst,
1060	0, 0,	816	0, 0,
1061	0, 0,	817	0, 0,
1062	0, 0,	818	0, 0,
1063	width, height);	819	width, height);
1064	}
1065		820
1066	if (v_blurRadius)	821	::swap (src, dst);
1067	{	822
1068	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1071		826
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	828	XRenderComposite (dpy,
1074	PictOpSrc,	829	PictOpSrc,
1075	src,	830	src,
1076	None,	831	None,
1077	dst,	832	dst,
1078	0, 0,	833	0, 0,
1079	0, 0,	834	0, 0,
1080	0, 0,	835	0, 0,
1081	width, height);	836	width, height);
1082	}
1083		837
1084	ret = true;	838	ret = true;
1085	}	839	}
1086		840
1087	free (kernel);	841	free (kernel);
…		…
1091	#endif	845	#endif
1092	return ret;	846	return ret;
1093	}	847	}
1094		848
1095	bool	849	bool
1096	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1097	{	851	{
1098	bool ret = false;	852	bool ret = false;
1099		853
1100	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1101	{	855	{
1102	XGCValues gcv;	856	XGCValues gcv;
1103	GC gc;	857	GC gc;
1104		858
1105	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	868	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	869	ret = true;
1116	XFreeGC (dpy, gc);	870	XFreeGC (dpy, gc);
1117	}	871	}
1118	}	872	}
1119	else
1120	{
1121	# if XRENDER	873	# if XRENDER
		874	else if (bg_flags & BG_HAS_RENDER)
		875	{
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	876	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1123		877
1124	if (bg_flags & BG_TINT_SET)	878	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);	879	tint.get (c);
1126		880
…		…
1135	c.r = c.r * (200 - shade) / 100;	889	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	890	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	891	c.b = c.b * (200 - shade) / 100;
1138	}	892	}
1139		893
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	894	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		895
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	896	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		897
1146	pa.repeat = True;	898	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		899
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	900	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150	XFreePixmap (dpy, overlay_pmap);
1151
1152	pa.component_alpha = True;
1153	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1155	XFreePixmap (dpy, mask_pmap);
1156		901
1157	XRenderColor mask_c;	902	XRenderColor mask_c;
1158		903
1159	mask_c.alpha = 0xffff;	904	mask_c.alpha = 0xffff;
1160	mask_c.red =	905	mask_c.red =
…		…
1165	mask_c.alpha = 0;	910	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	911	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	912	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	913	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	914	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		915
1170	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);
1171		917
1172	if (shade > 100)	918	if (shade > 100)
1173	{	919	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	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;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	924	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		925
1178	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);
1179	}	927	}
1180		928
1181	ret = true;	929	ret = true;
1182		930
1183	XRenderFreePicture (dpy, mask_pic);	931	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	932	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	933	XRenderFreePicture (dpy, back_pic);
		934	}
1186	# endif	935	# endif
1187	}
1188		936
1189	return ret;	937	return ret;
1190	}	938	}
1191		939
1192	/*	940	/*
1193	* 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
1194	* 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
1195	* our window.	943	* our window.
1196	*/	944	*/
1197	unsigned long	945	bool
1198	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1199	{	947	{
1200	unsigned long result = 0;	948	bool ret = false;
1201		949
1202	/* 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
1203	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1204	*/	952	*/
1205	int screen = display->screen;	953	int screen = display->screen;
…		…
1243	#if XRENDER	991	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	992	if (bg_flags & BG_HAS_RENDER)
1245	{	993	{
1246	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);
1247		995
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	996	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	997	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		998
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	999	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1000	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		1001
1256	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);
1257		1003
1258	XRenderFreePicture (dpy, src);	1004	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	1005	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1022	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1023	bg_pmap_height = window_height;
1278	}	1024	}
1279		1025
1280	/* straightforward pixmap copy */	1026	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1027	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1028	while (sy < 0) sy += root_pmap_height;
1283		1029
1284	gcv.tile = recoded_root_pmap;	1030	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1031	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1032	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1033	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1289		1035
1290	if (gc)	1036	if (gc)
1291	{	1037	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	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
1294	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1295
1296	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{
1298	if ((bg_flags & BG_NEEDS_BLUR)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1302	result &= ~BG_NEEDS_BLUR;
1303	}
1304	if ((bg_flags & BG_NEEDS_TINT)
1305	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1306	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1308	result &= ~BG_NEEDS_TINT;
1309	}
1310	} /* server side rendering completed */
1311	}	1070	}
1312		1071
1313	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1315		1074
1316	return result;	1075	return ret;
1317	}	1076	}
1318		1077
1319	void	1078	void
1320	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1321	{	1080	{
…		…
1325		1084
1326	root_pixmap = new_root_pixmap;	1085	root_pixmap = new_root_pixmap;
1327	}	1086	}
1328	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1329		1088
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1332	# endif
1333
1334	bool	1089	bool
1335	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1336	{	1091	{
1337	unsigned long tr_flags = 0;
1338
1339	bg_invalidate ();	1092	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1095	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1345	if (tr_flags == 0)
1346	return false;
1347	bg_flags |= BG_IS_VALID;	1098	bg_flags |= BG_IS_VALID;
1348	}	1099	}
1349	# endif	1100	# endif
1350		1101
1351	# ifdef BG_IMAGE_FROM_FILE	1102	# ifdef BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1103	if (bg_image.flags & IM_IS_SET)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1104	{
1355	if (render_image (tr_flags))	1105	if (render_image (bg_image))
1356	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	{
1374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375	if (bg_flags & BG_TINT_SET)
1376	tint.get (c);
1377	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378	}
1379
1380	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382	if (gc)
1383	{
1384	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386	XFreeGC (dpy, gc);
1387	}
1388
1389	XDestroyImage (result);
1390	}	1107	}
1391	# endif	1108	# endif
1392		1109
1393	if (!(bg_flags & BG_IS_VALID))	1110	if (!(bg_flags & BG_IS_VALID))
1394	{	1111	{
…		…
1431	#endif	1148	#endif
1432	}	1149	}
1433		1150
1434	#endif /* HAVE_BG_PIXMAP */	1151	#endif /* HAVE_BG_PIXMAP */
1435		1152
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1153	#ifdef ENABLE_TRANSPARENCY
1437	/* based on code from aterm-0.4.2 */	1154	/* based on code from aterm-0.4.2 */
1438		1155
1439	static void	1156	static inline void
1440	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)
1441	{	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;
1442	int sh_r, sh_g, sh_b;	1172	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1173	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1174	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1175	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1176	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1177
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1178	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1179
1452	/* for convenience */	1180	/* for convenience */
1453	mask_r = visual->red_mask;	1181	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1182	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1183	mask_b = visual->blue_mask;
1456		1184
1457	/* boring lookup table pre-initialization */	1185	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1186	sh_r = ecb_ctz32 (mask_r);
1459	{	1187	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1188	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1189
1462	(mask_g != 0x03e0) ||	1190	size_r = mask_r >> sh_r;
1463	(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)
1464	return;	1195	return;
1465	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));
1466	lookup_r = lookup;	1198	lookup_r = lookup;
1467	lookup_g = lookup+32;	1199	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1200	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1201
1470	sh_g = 5;	1202	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1203
1472	break;	1204	if (bg_flags & BG_TINT_SET)
1473	case 16:	1205	tint.get (c);
1474	if ((mask_r != 0xf800) ||
1475	(mask_g != 0x07e0) ||
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) ||
1488	(mask_g != 0x00ff00) ||
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1206
1516	/* prepare limits for color transformation (each channel is handled separately) */	1207	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1208	if (shade > 100)
1518	{	1209	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1210	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1211	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1212	c.b = c.b * (200 - shade) / 100;
		1213
		1214	low = 0xffff * (shade - 100) / 100;
1528	}	1215	}
1529	else	1216	else
1530	{	1217	{
1531	high.r = c.r * shade / 100;	1218	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1219	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1220	c.b = c.b * shade / 100;
1534		1221
1535	low.r = low.g = low.b = 0;	1222	low = 0;
1536	}	1223	}
1537		1224
1538	/* fill our lookup tables */	1225	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1226	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1227	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1228	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1229
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1230	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1231	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1232	&& ximage->byte_order == host_byte_order)
1565	{	1233	{
1566	uint32_t *p1, *pf, *p, *pl;	1234	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1235
1570	while (p1 < pf)	1236	for (int y = 0; y < ximage->height; y++)
1571	{
1572	p = p1;
1573	pl = p1 + ximage->width;
1574	for (; p < pl; p++)
1575	{	1237	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1238	uint32_t *p = (uint32_t *)line;
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1239	for (int x = 0; x < ximage->width; x++)
1578	lookup_b[(*p & 0x0000ff)] |
1579	(*p & 0xff000000);
1580	}	1240	{
1581	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;
1582	}	1247	}
1583	}	1248	}
1584	else	1249	else
1585	{	1250	{
1586	for (int y = 0; y < ximage->height; y++)	1251	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1259	}
1595	}	1260	}
1596		1261
1597	free (lookup);	1262	free (lookup);
1598	}	1263	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1264	#endif /* ENABLE_TRANSPARENCY */

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