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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.170 by sf-exg, Sun Aug 21 11:00:02 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)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{	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	{
311	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
312	changed = true;	300	changed = true;
313	}	301	}
314		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
315	return changed;	310	return changed;
316	}	311	}
317		312
318	void	313	void
319	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)
320	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
321	int target_width = szHint.width;	318	int target_width = szHint.width;
322	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);
323		322
324	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
326		325
327	if (bg_flags & BG_PROP_SCALE)	326	if (image.flags & IM_KEEP_ASPECT)
328	{	327	{
329	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
333	}	332	}
334		333
335	if (!w) w = image_width;	334	if (!w) w = image_width;
336	if (!h) h = image_height;	335	if (!h) h = image_height;
337		336
338	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
339	{	338	{
340	x = -target_x;	339	x = -target_x;
341	y = -target_y;	340	y = -target_y;
342	}	341	}
343	else	342	else
344	{	343	{
345	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
347	}
348
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{	346	}
372	ShadingInfo as_shade;	347	}
373	as_shade.shading = shade;
374		348
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	350	bool
377	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
380	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;
381		363
382	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
383	}	368	{
384		369	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
386	{	373	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
388	ASA_XImage,	375	{
389	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);
390	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)
391	{	442	{
392	destroy_asimage (&background);	443	a = pixel[3];
393	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);
394	}	465	}
395	}
396	# endif
397		466
398	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);
399		493
400	int target_width = szHint.width;	494	int target_width = szHint.width;
401	int target_height = szHint.height;	495	int target_height = szHint.height;
402	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
405	int x = 0;	499	int x = 0;
406	int y = 0;	500	int y = 0;
407	int w = 0;	501	int w = 0;
408	int h = 0;	502	int h = 0;
409		503
410	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		505
413	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	507	&& (x >= target_width
416	|| y >= target_height	508	|| y >= target_height
417	|| (x + w <= 0)	509	|| x + w <= 0
418	|| (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);
419	{	521	}
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		522
426	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)
427	{	540	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
429	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}	543	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441		544
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}
450
451	if (background == NULL)
452	{
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None	545	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
547	{	548	{
548	if (bg_pixmap)	549	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
550	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);
551	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
553	}	554	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557		555
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 || dst_y > 0
569	|| dst_x + dst_width < new_pmap_width
570	|| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}
591	# endif /* HAVE_AFTERIMAGE */
592
593	# ifdef HAVE_PIXBUF
594	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	int src_x, int src_y, int dst_x, int dst_y,
597	unsigned int width, unsigned int height)
598	{
599	XImage *ximage;
600	char *data, *line;
601	int bytes_per_pixel;
602	int width_r, width_g, width_b;
603	int sh_r, sh_g, sh_b;
604	int rowstride;
605	int channels;
606	unsigned char *row;
607
608	if (visual->c_class != TrueColor)
609	return false;
610
611	if (depth == 24 || depth == 32)
612	bytes_per_pixel = 4;
613	else if (depth == 15 || depth == 16)
614	bytes_per_pixel = 2;
615	else
616	return false;
617
618	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);
621
622	if (width_r > 8 || width_g > 8 || width_b > 8)
623	return false;
624
625	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);
628
629	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;
631
632	data = (char *)malloc (width * height * bytes_per_pixel);
633	if (!data)
634	return false;
635
636	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
637	width, height, bytes_per_pixel * 8, 0);
638	if (!ximage)
639	{
640	free (data);
641	return false;
642	}
643
644	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
645
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
649	line = data;
650
651	for (int y = 0; y < height; y++)
652	{
653	for (int x = 0; x < width; x++)
654	{
655	unsigned char *pixel = row + x * channels;
656	uint32_t value;
657
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)
659	| ((pixel[1] >> (8 - width_g)) << sh_g)
660	| ((pixel[2] >> (8 - width_b)) << sh_b);
661
662	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;
664	else
665	((uint16_t *)line)[x] = value;
666	}
667
668	row += rowstride;
669	line += ximage->bytes_per_line;
670	}
671
672	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
673	XDestroyImage (ximage);
674	return true;
675	}
676
677	bool
678	rxvt_term::render_image (unsigned long tr_flags)
679	{
680	if (!pixbuf)
681	return false;
682
683	if (tr_flags
684	&& !(bg_flags & BG_HAS_RENDER))
685	return false;
686
687	GdkPixbuf *result;
688
689	int image_width = gdk_pixbuf_get_width (pixbuf);
690	int image_height = gdk_pixbuf_get_height (pixbuf);
691
692	int target_width = szHint.width;
693	int target_height = szHint.height;
694	int new_pmap_width = target_width;
695	int new_pmap_height = target_height;
696
697	int x = 0;
698	int y = 0;
699	int w = 0;
700	int h = 0;
701
702	get_image_geometry (image_width, image_height, w, h, x, y);
703
704	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width
706	|| y >= target_height
707	|| (x + w <= 0)
708	|| (y + h <= 0)))
709	return false;
710
711	result = pixbuf;
712
713	if ((w != image_width)
714	|| (h != image_height))
715	{
716	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,
718	GDK_INTERP_BILINEAR);
719	}
720
721	if (!result)
722	return false;
723
724	bool ret = false;
725
726	XGCValues gcv;
727	GC gc;
728	Pixmap root_pmap;
729
730	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);
732
733	if (tr_flags)
734	{
735	root_pmap = bg_pixmap;	556	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;
737	}
738	else
739	{
740	if (bg_flags & BG_TILE)
741	{
742	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);
744	}
745	}
746
747	if (bg_pixmap == None
748	|| bg_pmap_width != new_pmap_width
749	|| bg_pmap_height != new_pmap_height)
750	{
751	if (bg_pixmap)
752	XFreePixmap (dpy, bg_pixmap);
753	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
754	bg_pmap_width = new_pmap_width;
755	bg_pmap_height = new_pmap_height;
756	}	557	}
757		558
758	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		561
761	if (gc)	562	if (gc)
762	{	563	{
763	if (bg_flags & BG_TILE)	564	if (image.flags & IM_TILE)
764	{	565	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	568	0, 0,
768	0, 0,	569	0, 0,
769	image_width, image_height);	570	image_width, image_height, need_blend);
770		571
771	gcv.tile = tile;	572	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		577
777	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);
778	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
779	}	580	}
780	else	581	else
781	{	582	{
782	int src_x, src_y, dst_x, dst_y;	583	int src_x, src_y, dst_x, dst_y;
…		…
786	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);
787		588
788	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
791	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);
792		593
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	596	src_x, src_y,
796	dst_x, dst_y,	597	dst_x, dst_y,
797	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
798	}	599	}
799		600
800	#if XRENDER	601	#if XRENDER
801	if (tr_flags)	602	if (need_blend)
802	{	603	{
803	XRenderPictureAttributes pa;	604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		606
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		608
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		610
811	pa.repeat = True;	611	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		612
817	XRenderColor mask_c;	613	XRenderColor mask_c;
818		614
819	mask_c.alpha = 0x8000;	615	mask_c.alpha = 0x8000;
820	mask_c.red = 0;	616	mask_c.red =
821	mask_c.green = 0;	617	mask_c.green =
822	mask_c.blue = 0;	618	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	619	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		620
824	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);
825		622
826	XRenderFreePicture (dpy, src);	623	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	624	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	625	XRenderFreePicture (dpy, mask);
…		…
835	}	632	}
836		633
837	if (result != pixbuf)	634	if (result != pixbuf)
838	g_object_unref (result);	635	g_object_unref (result);
839		636
840	if (tr_flags)	637	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	638	XFreePixmap (dpy, tmp_pixmap);
842		639
843	return ret;	640	return ret;
844	}	641	}
845	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
846		643
847	bool	644	bool
848	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
849	{	646	{
850	if (!file || !*file)	647	if (!file || !*file)
851	return false;	648	return false;
852		649
853	bool ret = false;	650	bool ret = false;
…		…
860	memcpy (f, file, len);	657	memcpy (f, file, len);
861	f[len] = '\0';	658	f[len] = '\0';
862	file = f;	659	file = f;
863	}	660	}
864		661
865	# ifdef HAVE_AFTERIMAGE
866	if (!asimman)
867	asimman = create_generic_imageman (rs[Rs_path]);
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
869	if (image)
870	{
871	if (original_asim)
872	safe_asimage_destroy (original_asim);
873	original_asim = image;
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
875	ret = true;
876	}
877	# endif
878
879	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	664	if (image)
882	{	665	{
883	if (pixbuf)	666	if (pixbuf)
884	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
885	pixbuf = image;	668	pixbuf = image;
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	669	ret = true;
888	}	670	}
889	# endif	671	# endif
890		672
891	if (ret)	673	if (ret)
892	{	674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
893	if (p)	679	if (p)
894	bg_set_geometry (p + 1);	680	set_geometry (p + 1);
895	else
896	bg_set_default_geometry ();
897	}	681	}
898		682
899	return ret;	683	return ret;
900	}	684	}
901		685
902	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
903		687
904	# ifdef ENABLE_TRANSPARENCY	688	# ifdef ENABLE_TRANSPARENCY
905	bool
906	rxvt_term::bg_set_transparent ()
907	{
908	if (!(bg_flags & BG_IS_TRANSPARENT))
909	{
910	bg_flags |= BG_IS_TRANSPARENT;
911	return true;
912	}
913
914	return false;
915	}
916
917	bool	689	bool
918	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
919	{	691	{
920	bool changed = false;	692	bool changed = false;
921	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
940	{	712	{
941	changed = true;	713	changed = true;
942	v_blurRadius = vr;	714	v_blurRadius = vr;
943	}	715	}
944		716
945	if (v_blurRadius == 0 && h_blurRadius == 0)
946	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags |= BG_NEEDS_BLUR;
949
950	return changed;	717	return changed;
951	}	718	}
952		719
953	void	720	bool
954	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	722	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	724	{
958		725	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	726	bg_flags |= BG_TINT_SET;
960		727
961	if (bg_flags & BG_TINT_SET)	728	rgba c;
962	{
963	tint.get (c);	729	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
969	}	734	else
970
971	if (has_shade || (bg_flags & BG_TINT_SET))
972	bg_flags |= BG_NEEDS_TINT;
973	}
974
975	bool
976	rxvt_term::bg_set_tint (rxvt_color &new_tint)
977	{
978	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
979	{
980	tint = new_tint;
981	bg_flags |= BG_TINT_SET;	735	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	736
983	return true;	737	return true;
984	}	738	}
985		739
986	return false;	740	return false;
987	}	741	}
988		742
989	bool	743	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	744	rxvt_term::bg_set_shade (const char *shade_str)
991	{	745	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	746	int new_shade = atoi (shade_str);
993		747
994	clamp_it (new_shade, -100, 200);	748	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	749	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
997		751
998	if (new_shade != shade)	752	if (new_shade != shade)
999	{	753	{
1000	shade = new_shade;	754	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	755	return true;
1003	}	756	}
1004		757
1005	return false;	758	return false;
1006	}	759	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	781	}
1029	#endif	782	#endif
1030		783
1031	bool	784	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	786	{
1034	bool ret = false;	787	bool ret = false;
1035	#if XRENDER	788	#if XRENDER
		789	if (!(bg_flags & BG_HAS_RENDER_CONV))
		790	return false;
		791
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		795
1040	XRenderPictureAttributes pa;	796	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		798
		799	pa.repeat = RepeatPad;
1043	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);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1045		804
1046	if (kernel && params)	805	if (kernel && params)
1047	{	806	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		809
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	810	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	811	XRenderComposite (dpy,
1055	PictOpSrc,	812	PictOpSrc,
1056	src,	813	src,
1057	None,	814	None,
1058	dst,	815	dst,
1059	0, 0,	816	0, 0,
1060	0, 0,	817	0, 0,
1061	0, 0,	818	0, 0,
1062	width, height);	819	width, height);
1063	}
1064		820
1065	if (v_blurRadius)	821	::swap (src, dst);
1066	{	822
1067	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1070		826
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	828	XRenderComposite (dpy,
1073	PictOpSrc,	829	PictOpSrc,
1074	src,	830	src,
1075	None,	831	None,
1076	dst,	832	dst,
1077	0, 0,	833	0, 0,
1078	0, 0,	834	0, 0,
1079	0, 0,	835	0, 0,
1080	width, height);	836	width, height);
1081	}
1082		837
1083	ret = true;	838	ret = true;
1084	}	839	}
1085		840
1086	free (kernel);	841	free (kernel);
…		…
1090	#endif	845	#endif
1091	return ret;	846	return ret;
1092	}	847	}
1093		848
1094	bool	849	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	851	{
1097	bool ret = false;	852	bool ret = false;
1098		853
1099	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	855	{
1101	XGCValues gcv;	856	XGCValues gcv;
1102	GC gc;	857	GC gc;
1103		858
1104	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	868	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	869	ret = true;
1115	XFreeGC (dpy, gc);	870	XFreeGC (dpy, gc);
1116	}	871	}
1117	}	872	}
1118	else
1119	{
1120	# if XRENDER	873	# if XRENDER
		874	else if (bg_flags & BG_HAS_RENDER)
		875	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	876	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		877
1123	if (bg_flags & BG_TINT_SET)	878	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	879	tint.get (c);
1125		880
…		…
1134	c.r = c.r * (200 - shade) / 100;	889	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	890	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	891	c.b = c.b * (200 - shade) / 100;
1137	}	892	}
1138		893
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	894	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		895
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	896	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		897
1145	pa.repeat = True;	898	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		899
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	900	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149	XFreePixmap (dpy, overlay_pmap);
1150
1151	pa.component_alpha = True;
1152	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1154	XFreePixmap (dpy, mask_pmap);
1155		901
1156	XRenderColor mask_c;	902	XRenderColor mask_c;
1157		903
1158	mask_c.alpha = 0xffff;	904	mask_c.alpha = 0xffff;
1159	mask_c.red =	905	mask_c.red =
…		…
1164	mask_c.alpha = 0;	910	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	911	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	912	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	913	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	914	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		915
1169	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);
1170		917
1171	if (shade > 100)	918	if (shade > 100)
1172	{	919	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	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;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	924	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		925
1177	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);
1178	}	927	}
1179		928
1180	ret = true;	929	ret = true;
1181		930
1182	XRenderFreePicture (dpy, mask_pic);	931	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	932	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	933	XRenderFreePicture (dpy, back_pic);
		934	}
1185	# endif	935	# endif
1186	}
1187		936
1188	return ret;	937	return ret;
1189	}	938	}
1190		939
1191	/*	940	/*
1192	* 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
1193	* 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
1194	* our window.	943	* our window.
1195	*/	944	*/
1196	unsigned long	945	bool
1197	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1198	{	947	{
1199	unsigned long result = 0;	948	bool ret = false;
1200		949
1201	/* 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
1202	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1203	*/	952	*/
1204	int screen = display->screen;	953	int screen = display->screen;
…		…
1242	#if XRENDER	991	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	992	if (bg_flags & BG_HAS_RENDER)
1244	{	993	{
1245	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);
1246		995
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	996	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	997	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		998
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	999	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1000	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		1001
1255	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);
1256		1003
1257	XRenderFreePicture (dpy, src);	1004	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	1005	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1022	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1023	bg_pmap_height = window_height;
1277	}	1024	}
1278		1025
1279	/* straightforward pixmap copy */	1026	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1027	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1028	while (sy < 0) sy += root_pmap_height;
1282		1029
1283	gcv.tile = recoded_root_pmap;	1030	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1031	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1032	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1033	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1035
1289	if (gc)	1036	if (gc)
1290	{	1037	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	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
1293	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1294
1295	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{
1297	if ((bg_flags & BG_NEEDS_BLUR)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;
1302	}
1303	if ((bg_flags & BG_NEEDS_TINT)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;
1308	}
1309	} /* server side rendering completed */
1310	}	1070	}
1311		1071
1312	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1314		1074
1315	return result;	1075	return ret;
1316	}	1076	}
1317		1077
1318	void	1078	void
1319	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1320	{	1080	{
…		…
1324		1084
1325	root_pixmap = new_root_pixmap;	1085	root_pixmap = new_root_pixmap;
1326	}	1086	}
1327	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1328		1088
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1331	# endif
1332
1333	bool	1089	bool
1334	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1335	{	1091	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();	1092	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1095	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1344	if (tr_flags == 0)
1345	return false;
1346	else if (!(tr_flags & BG_EFFECTS_FLAGS))
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_flags & BG_IS_VALID))
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	{
1373	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374	if (bg_flags & BG_TINT_SET)
1375	tint.get (c);
1376	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377	}
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	bg_flags |= BG_IS_VALID;
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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