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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.165 by sf-exg, Mon Aug 15 09:25:56 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 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
179	bool	150	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
181	{	152	{
182	bool changed = false;	153	bool changed = false;
183	int geom_flags = 0;	154	int geom_flags = 0;
184	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
185	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
186	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	158	unsigned int h = v_scale;
		159	unsigned long new_flags = 0;
187		160
188	if (geom == NULL)	161	if (geom == NULL)
189	return false;	162	return false;
190		163
191	if (geom[0])	164	if (geom[0])
192	{	165	{
193	char **arr = rxvt_strsplit (':', geom);	166	char **arr = rxvt_strsplit (':', geom);
194		167
195	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
196	{	169	{
197	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
198	{	171	{
199	new_flags = BG_TILE;	172	new_flags = IM_TILE;
200	w = h = noScale;	173	w = h = noScale;
201	x = y = 0;	174	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	175	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	176	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{	178	{
206	new_flags = BG_PROP_SCALE;	179	new_flags = IM_KEEP_ASPECT;
207	w = h = windowScale;	180	w = h = windowScale;
208	x = y = centerAlign;	181	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;	182	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}	183	}
211	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
221	x = y = centerAlign;	194	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;	195	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}	196	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{	198	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;	199	new_flags = IM_TILE|IM_ROOT_ALIGN;
227	w = h = noScale;	200	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;	201	geom_flags = WidthValue|HeightValue;
229	}	202	}
230	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	204	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	206	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	208	new_flags |= IM_ROOT_ALIGN;
236		209
237	// deprecated	210	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
239	{	212	{
240	new_flags |= BG_TILE;	213	new_flags |= IM_TILE;
241	w = h = noScale;	214	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	215	geom_flags |= WidthValue|HeightValue;
243	}	216	}
244	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
245	{	218	{
246	new_flags |= BG_PROP_SCALE;	219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
247	}	222	}
248	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
249	{	224	{
250	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
251	w = windowScale;	226	w = windowScale;
252	h = noScale;	227	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
254	}	229	}
255	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
256	{	231	{
257	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
258	h = windowScale;	233	h = windowScale;
259	w = noScale;	234	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
261	}	236	}
262	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	245	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	247	}
273	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
274	{	249	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	251	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
278	}	253	}
279		254
280	else	255	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	257	} /* done parsing ops */
283		258
284	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
285	}	260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		263
287	if (!update)	264	if (!update)
288	{	265	{
289	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	272	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
297	h = w;	274	h = w;
298	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
299	w = h;	276	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	{	277	}
		278
		279	min_it (w, 1000);
		280	min_it (h, 1000);
		281	clamp_it (x, -100, 200);
		282	clamp_it (y, -100, 200);
		283
		284	if (flags != new_flags
		285	|| h_scale != w
		286	|| v_scale != h
		287	|| h_align != x
		288	|| v_align != y)
		289	{
311	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
312	changed = true;	295	changed = true;
313	}	296	}
314		297
		298	if (!(flags & IM_TILE)
		299	|| h_scale || v_scale
		300	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		301	flags |= IM_IS_SIZE_SENSITIVE;
		302	else
		303	flags &= ~IM_IS_SIZE_SENSITIVE;
		304
315	return changed;	305	return changed;
316	}	306	}
317		307
318	void	308	void
319	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
320	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
321	int target_width = szHint.width;	313	int target_width = szHint.width;
322	int target_height = szHint.height;	314	int target_height = szHint.height;
323		315
324	w = h_scale * target_width / 100;	316	w = image.h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	317	h = image.v_scale * target_height / 100;
326		318
327	if (bg_flags & BG_PROP_SCALE)	319	if (image.flags & IM_KEEP_ASPECT)
328	{	320	{
329	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
333	}	325	}
334		326
335	if (!w) w = image_width;	327	if (!w) w = image_width;
336	if (!h) h = image_height;	328	if (!h) h = image_height;
337		329
338	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
339	{	331	{
340	x = -target_x;	332	x = -target_x;
341	y = -target_y;	333	y = -target_y;
342	}	334	}
343	else	335	else
344	{	336	{
345	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	338	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	{	339	}
372	ShadingInfo as_shade;	340	}
373	as_shade.shading = shade;
374		341
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	343	bool
377	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
380	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
381		356
382	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	#if XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 || height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
383	}	391	{
384		392	XDestroyImage (ximage);
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
386	{	394	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
388	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
389	100, ASIMAGE_QUALITY_DEFAULT);	397
390	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char *pixel = row + x * channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
391	{	422	{
392	destroy_asimage (&background);	423	a = pixel[3];
393	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	| ((g >> (8 - width_g)) << sh_g)
		438	| ((b >> (8 - width_b)) << sh_b)
		439	| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
394	}	445	}
395	}
396	# endif
397		446
398	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
399		473
400	int target_width = szHint.width;	474	int target_width = szHint.width;
401	int target_height = szHint.height;	475	int target_height = szHint.height;
402	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
405	int x = 0;	479	int x = 0;
406	int y = 0;	480	int y = 0;
407	int w = 0;	481	int w = 0;
408	int h = 0;	482	int h = 0;
409		483
410	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		485
413	if (!original_asim
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width
416	|| y >= target_height
417	|| (x + w <= 0)
418	|| (y + h <= 0))))
419	{
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425
426	if (background_tint != TINT_LEAVE_SAME)
427	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,
429	target_width, target_height, background_tint,
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	background ? ASA_ASImage : 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	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)
547	{
548	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;
553	}
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
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)	486	if (!(image.flags & IM_ROOT_ALIGN)
705	&& (x >= target_width	487	&& (x >= target_width
706	|| y >= target_height	488	|| y >= target_height
707	|| (x + w <= 0)	489	|| x + w <= 0
708	|| (y + h <= 0)))	490	|| y + h <= 0))
709	return false;	491	return false;
710		492
711	result = pixbuf;	493	result = pixbuf;
712		494
713	if ((w != image_width)	495	if (w != image_width
714	|| (h != image_height))	496	|| h != image_height)
715	{	497	{
716	result = gdk_pixbuf_scale_simple (pixbuf,	498	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,	499	w, h,
718	GDK_INTERP_BILINEAR);	500	GDK_INTERP_BILINEAR);
719	}	501	}
…		…
723		505
724	bool ret = false;	506	bool ret = false;
725		507
726	XGCValues gcv;	508	XGCValues gcv;
727	GC gc;	509	GC gc;
728	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
729		511
730	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
732		514
733	if (tr_flags)	515	if (need_blend)
734	{	516	{
735	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;	518	bg_pixmap = None;
737	}	519	}
738	else	520	else
739	{	521	{
740	if (bg_flags & BG_TILE)	522	if (image.flags & IM_TILE)
741	{	523	{
742	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
744	}	526	}
745	}	527	}
…		…
758	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
760		542
761	if (gc)	543	if (gc)
762	{	544	{
763	if (bg_flags & BG_TILE)	545	if (image.flags & IM_TILE)
764	{	546	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
766	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	549	0, 0,
768	0, 0,	550	0, 0,
…		…
796	dst_x, dst_y,	578	dst_x, dst_y,
797	dst_width, dst_height);	579	dst_width, dst_height);
798	}	580	}
799		581
800	#if XRENDER	582	#if XRENDER
801	if (tr_flags)	583	if (need_blend)
802	{	584	{
803	XRenderPictureAttributes pa;
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
807		588
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		590
811	pa.repeat = True;	591	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		592
817	XRenderColor mask_c;	593	XRenderColor mask_c;
818		594
819	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
820	mask_c.red = 0;	596	mask_c.red =
821	mask_c.green = 0;	597	mask_c.green =
822	mask_c.blue = 0;	598	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
824	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
825		602
826	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
…		…
835	}	612	}
836		613
837	if (result != pixbuf)	614	if (result != pixbuf)
838	g_object_unref (result);	615	g_object_unref (result);
839		616
840	if (tr_flags)	617	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
842		619
843	return ret;	620	return ret;
844	}	621	}
845	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
846		623
847	bool	624	bool
848	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
849	{	626	{
850	if (!file || !*file)	627	if (!file || !*file)
851	return false;	628	return false;
852		629
		630	bool ret = false;
853	if (const char *p = strchr (file, ';'))	631	const char *p = strchr (file, ';');
		632
		633	if (p)
854	{	634	{
855	size_t len = p - file;	635	size_t len = p - file;
856	char *f = rxvt_temp_buf<char> (len + 1);	636	char *f = rxvt_temp_buf<char> (len + 1);
857	memcpy (f, file, len);	637	memcpy (f, file, len);
858	f[len] = '\0';	638	f[len] = '\0';
859	file = f;	639	file = f;
860	}	640	}
861		641
862	# ifdef HAVE_AFTERIMAGE
863	if (!asimman)
864	asimman = create_generic_imageman (rs[Rs_path]);
865	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
866	if (image)
867	{
868	if (original_asim)
869	safe_asimage_destroy (original_asim);
870	original_asim = image;
871	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
872	return true;
873	}
874	# endif
875
876	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
877	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
878	if (image)	644	if (image)
879	{	645	{
880	if (pixbuf)	646	if (pixbuf)
881	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
882	pixbuf = image;	648	pixbuf = image;
883	bg_flags |= BG_IS_FROM_FILE;
884	return true;	649	ret = true;
885	}	650	}
886	# endif	651	# endif
887		652
		653	if (ret)
		654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
		659	if (p)
		660	set_geometry (p + 1);
		661	}
		662
888	return false;	663	return ret;
889	}	664	}
890		665
891	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
892		667
893	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
894	bool
895	rxvt_term::bg_set_transparent ()
896	{
897	if (!(bg_flags & BG_IS_TRANSPARENT))
898	{
899	bg_flags |= BG_IS_TRANSPARENT;
900	return true;
901	}
902
903	return false;
904	}
905
906	bool	669	bool
907	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
908	{	671	{
909	bool changed = false;	672	bool changed = false;
910	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
929	{	692	{
930	changed = true;	693	changed = true;
931	v_blurRadius = vr;	694	v_blurRadius = vr;
932	}	695	}
933		696
934	if (v_blurRadius == 0 && h_blurRadius == 0)
935	bg_flags &= ~BG_NEEDS_BLUR;
936	else
937	bg_flags |= BG_NEEDS_BLUR;
938
939	return changed;	697	return changed;
940	}	698	}
941		699
942	void	700	bool
943	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
944	{	702	{
945	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
946	bool has_shade = shade != 100;	704	{
947		705	tint = new_tint;
948	bg_flags &= ~BG_TINT_FLAGS;	706	bg_flags |= BG_TINT_SET;
949		707
950	if (bg_flags & BG_TINT_SET)	708	rgba c;
951	{
952	tint.get (c);	709	tint.get (c);
953	if (!has_shade
954	&& (c.r <= 0x00ff || c.r >= 0xff00)	710	if ((c.r <= 0x00ff || c.r >= 0xff00)
955	&& (c.g <= 0x00ff || c.g >= 0xff00)	711	&& (c.g <= 0x00ff || c.g >= 0xff00)
956	&& (c.b <= 0x00ff || c.b >= 0xff00))	712	&& (c.b <= 0x00ff || c.b >= 0xff00))
957	bg_flags |= BG_TINT_BITAND;	713	bg_flags |= BG_TINT_BITAND;
958	}	714	else
959
960	if (has_shade || (bg_flags & BG_TINT_SET))
961	bg_flags |= BG_NEEDS_TINT;
962	}
963
964	bool
965	rxvt_term::bg_set_tint (rxvt_color &new_tint)
966	{
967	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
968	{
969	tint = new_tint;
970	bg_flags |= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
971	set_tint_shade_flags ();	716
972	return true;	717	return true;
973	}	718	}
974		719
975	return false;	720	return false;
976	}	721	}
977		722
978	bool	723	bool
979	rxvt_term::bg_set_shade (const char *shade_str)	724	rxvt_term::bg_set_shade (const char *shade_str)
980	{	725	{
981	int new_shade = (shade_str) ? atoi (shade_str) : 100;	726	int new_shade = atoi (shade_str);
982		727
983	clamp_it (new_shade, -100, 200);	728	clamp_it (new_shade, -100, 200);
984	if (new_shade < 0)	729	if (new_shade < 0)
985	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
986		731
987	if (new_shade != shade)	732	if (new_shade != shade)
988	{	733	{
989	shade = new_shade;	734	shade = new_shade;
990	set_tint_shade_flags ();
991	return true;	735	return true;
992	}	736	}
993		737
994	return false;	738	return false;
995	}	739	}
…		…
1016	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1017	}	761	}
1018	#endif	762	#endif
1019		763
1020	bool	764	bool
1021	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1022	{	766	{
1023	bool ret = false;	767	bool ret = false;
1024	#if XRENDER	768	#if XRENDER
		769	if (!(bg_flags & BG_HAS_RENDER_CONV))
		770	return false;
		771
1025	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	772	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1026	double *kernel = (double *)malloc (size * sizeof (double));	773	double *kernel = (double *)malloc (size * sizeof (double));
1027	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1028		775
1029	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1030	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1031		778
		779	pa.repeat = RepeatPad;
1032	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1033	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1034		784
1035	if (kernel && params)	785	if (kernel && params)
1036	{	786	{
1037	if (h_blurRadius)
1038	{
1039	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1040	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1041		789
1042	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1043	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1044	PictOpSrc,	792	PictOpSrc,
1045	src,	793	src,
1046	None,	794	None,
1047	dst,	795	dst,
1048	0, 0,	796	0, 0,
1049	0, 0,	797	0, 0,
1050	0, 0,	798	0, 0,
1051	width, height);	799	width, height);
1052	}
1053		800
1054	if (v_blurRadius)	801	::swap (src, dst);
1055	{	802
1056	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1057	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1058	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1059		806
1060	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1061	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1062	PictOpSrc,	809	PictOpSrc,
1063	src,	810	src,
1064	None,	811	None,
1065	dst,	812	dst,
1066	0, 0,	813	0, 0,
1067	0, 0,	814	0, 0,
1068	0, 0,	815	0, 0,
1069	width, height);	816	width, height);
1070	}
1071		817
1072	ret = true;	818	ret = true;
1073	}	819	}
1074		820
1075	free (kernel);	821	free (kernel);
…		…
1079	#endif	825	#endif
1080	return ret;	826	return ret;
1081	}	827	}
1082		828
1083	bool	829	bool
1084	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1085	{	831	{
1086	bool ret = false;	832	bool ret = false;
1087		833
1088	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1089	{	835	{
1090	XGCValues gcv;	836	XGCValues gcv;
1091	GC gc;	837	GC gc;
1092		838
1093	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1102	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	848	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1103	ret = true;	849	ret = true;
1104	XFreeGC (dpy, gc);	850	XFreeGC (dpy, gc);
1105	}	851	}
1106	}	852	}
1107	else
1108	{
1109	# if XRENDER	853	# if XRENDER
		854	else if (bg_flags & BG_HAS_RENDER)
		855	{
1110	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1111		857
1112	if (bg_flags & BG_TINT_SET)	858	if (bg_flags & BG_TINT_SET)
1113	tint.get (c);	859	tint.get (c);
1114		860
…		…
1123	c.r = c.r * (200 - shade) / 100;	869	c.r = c.r * (200 - shade) / 100;
1124	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1125	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1126	}	872	}
1127		873
1128	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1129	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1130	XRenderPictureAttributes pa;
1131		875
1132	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1133		877
1134	pa.repeat = True;	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1135		879
1136	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	880	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1137	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1138	XFreePixmap (dpy, overlay_pmap);
1139
1140	pa.component_alpha = True;
1141	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1142	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1143	XFreePixmap (dpy, mask_pmap);
1144		881
1145	XRenderColor mask_c;	882	XRenderColor mask_c;
1146		883
1147	mask_c.alpha = 0xffff;	884	mask_c.alpha = 0xffff;
1148	mask_c.red =	885	mask_c.red =
…		…
1153	mask_c.alpha = 0;	890	mask_c.alpha = 0;
1154	mask_c.red = 0xffff - c.r;	891	mask_c.red = 0xffff - c.r;
1155	mask_c.green = 0xffff - c.g;	892	mask_c.green = 0xffff - c.g;
1156	mask_c.blue = 0xffff - c.b;	893	mask_c.blue = 0xffff - c.b;
1157	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
1158	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1159		897
1160	if (shade > 100)	898	if (shade > 100)
1161	{	899	{
1162	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1163	mask_c.alpha = 0;	900	mask_c.alpha = 0;
		901	mask_c.red =
		902	mask_c.green =
		903	mask_c.blue = 0xffff * (shade - 100) / 100;
1164	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1165		905
1166	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1167	}	907	}
1168		908
1169	ret = true;	909	ret = true;
1170		910
1171	XRenderFreePicture (dpy, mask_pic);	911	XRenderFreePicture (dpy, mask_pic);
1172	XRenderFreePicture (dpy, overlay_pic);	912	XRenderFreePicture (dpy, overlay_pic);
1173	XRenderFreePicture (dpy, back_pic);	913	XRenderFreePicture (dpy, back_pic);
		914	}
1174	# endif	915	# endif
1175	}
1176		916
1177	return ret;	917	return ret;
1178	}	918	}
1179		919
1180	/*	920	/*
1181	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1182	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1183	* our window.	923	* our window.
1184	*/	924	*/
1185	unsigned long	925	bool
1186	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1187	{	927	{
1188	unsigned long result = 0;	928	bool ret = false;
1189		929
1190	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1191	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1192	*/	932	*/
1193	int screen = display->screen;	933	int screen = display->screen;
…		…
1231	#if XRENDER	971	#if XRENDER
1232	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1233	{	973	{
1234	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1235		975
1236	XRenderPictureAttributes pa;
1237
1238	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1239	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1240		978
1241	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1242	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1243		981
1244	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1245		983
1246	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1247	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
…		…
1264	bg_pmap_width = window_width;	1002	bg_pmap_width = window_width;
1265	bg_pmap_height = window_height;	1003	bg_pmap_height = window_height;
1266	}	1004	}
1267		1005
1268	/* straightforward pixmap copy */	1006	/* straightforward pixmap copy */
1269	while (sx < 0) sx += root_width;	1007	while (sx < 0) sx += root_pmap_width;
1270	while (sy < 0) sy += root_height;	1008	while (sy < 0) sy += root_pmap_height;
1271		1009
1272	gcv.tile = recoded_root_pmap;	1010	gcv.tile = recoded_root_pmap;
1273	gcv.fill_style = FillTiled;	1011	gcv.fill_style = FillTiled;
1274	gcv.ts_x_origin = -sx;	1012	gcv.ts_x_origin = -sx;
1275	gcv.ts_y_origin = -sy;	1013	gcv.ts_y_origin = -sy;
1276	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1277		1015
1278	if (gc)	1016	if (gc)
1279	{	1017	{
1280	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1281	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
		1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1022
		1023	if (!(bg_flags & BG_CLIENT_RENDER))
		1024	{
		1025	if (need_blur)
		1026	{
		1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
		1029	}
		1030	if (need_tint)
		1031	{
		1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1033	need_tint = false;
		1034	}
		1035	if (need_tint)
		1036	{
		1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1038	if (ximage)
		1039	{
		1040	/* our own client-side tinting */
		1041	tint_ximage (ximage);
		1042
		1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1044	XDestroyImage (ximage);
		1045	}
		1046	}
		1047	} /* server side rendering completed */
		1048
1282	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1283
1284	if (!(bg_flags & BG_CLIENT_RENDER))
1285	{
1286	if ((bg_flags & BG_NEEDS_BLUR)
1287	&& (bg_flags & BG_HAS_RENDER_CONV))
1288	{
1289	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1290	result &= ~BG_NEEDS_BLUR;
1291	}
1292	if ((bg_flags & BG_NEEDS_TINT)
1293	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1294	{
1295	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1296	result &= ~BG_NEEDS_TINT;
1297	}
1298	} /* server side rendering completed */
1299	}	1050	}
1300		1051
1301	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1302	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1303		1054
1304	return result;	1055	return ret;
1305	}	1056	}
1306		1057
1307	void	1058	void
1308	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1309	{	1060	{
…		…
1313		1064
1314	root_pixmap = new_root_pixmap;	1065	root_pixmap = new_root_pixmap;
1315	}	1066	}
1316	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1317		1068
1318	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1319	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1320	# endif
1321
1322	bool	1069	bool
1323	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1324	{	1071	{
1325	unsigned long tr_flags = 0;
1326
1327	bg_invalidate ();	1072	bg_invalidate ();
1328	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1329	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1330	{	1075	{
1331	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1332	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1333	if (tr_flags == 0)
1334	return false;
1335	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1336	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1337	}	1079	}
1338	# endif	1080	# endif
1339		1081
1340	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1341	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1342	|| (tr_flags & BG_EFFECTS_FLAGS))
1343	{	1084	{
1344	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1345	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1346	}
1347	# endif
1348
1349	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1350	XImage *result = NULL;
1351
1352	if (tr_flags && !(bg_flags & BG_IS_VALID))
1353	{
1354	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1355	}
1356
1357	if (result)
1358	{
1359	/* our own client-side tinting */
1360	if (tr_flags & BG_NEEDS_TINT)
1361	{
1362	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1363	if (bg_flags & BG_TINT_SET)
1364	tint.get (c);
1365	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1366	}
1367
1368	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1369
1370	if (gc)
1371	{
1372	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1373
1374	XFreeGC (dpy, gc);
1375	bg_flags |= BG_IS_VALID;
1376	}
1377
1378	XDestroyImage (result);
1379	}	1087	}
1380	# endif	1088	# endif
1381		1089
1382	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
1383	{	1091	{
…		…
1420	#endif	1128	#endif
1421	}	1129	}
1422		1130
1423	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1424		1132
1425	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1426	/* taken from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1427		1135
1428	static void	1136	static inline void
1429	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1430	{	1138	{
		1139	for (int i = 0; i <= mask >> sh; i++)
		1140	{
		1141	uint32_t tmp;
		1142	tmp = i * high;
		1143	tmp += (mask >> sh) * low;
		1144	lookup[i] = (tmp / 0xffff) << sh;
		1145	}
		1146	}
		1147
		1148	void
		1149	rxvt_term::tint_ximage (XImage *ximage)
		1150	{
		1151	unsigned int size_r, size_g, size_b;
1431	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1432	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1433	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1434	rgba low;	1155	unsigned short low;
1435	rgba high;
1436	int i;
1437	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1438		1157
1439	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1158	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1440		1159
1441	/* for convenience */	1160	/* for convenience */
1442	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1443	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1444	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1445		1164
1446	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1447	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1448	{	1167	sh_g = ecb_ctz32 (mask_g);
1449	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1450	if ((mask_r != 0x7c00) ||	1169
1451	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1452	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1453	return;	1175	return;
1454	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1176
		1177	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1455	lookup_r = lookup;	1178	lookup_r = lookup;
1456	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1457	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1458	sh_r = 10;	1181
1459	sh_g = 5;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1460	sh_b = 0;	1183
1461	break;	1184	if (bg_flags & BG_TINT_SET)
1462	case 16:	1185	tint.get (c);
1463	if ((mask_r != 0xf800) ||
1464	(mask_g != 0x07e0) ||
1465	(mask_b != 0x001f))
1466	return;
1467	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1468	lookup_r = lookup;
1469	lookup_g = lookup+32;
1470	lookup_b = lookup+32+64;
1471	sh_r = 11;
1472	sh_g = 5;
1473	sh_b = 0;
1474	break;
1475	case 24:
1476	if ((mask_r != 0xff0000) ||
1477	(mask_g != 0x00ff00) ||
1478	(mask_b != 0x0000ff))
1479	return;
1480	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1481	lookup_r = lookup;
1482	lookup_g = lookup+256;
1483	lookup_b = lookup+256+256;
1484	sh_r = 16;
1485	sh_g = 8;
1486	sh_b = 0;
1487	break;
1488	case 32:
1489	if ((mask_r != 0xff0000) ||
1490	(mask_g != 0x00ff00) ||
1491	(mask_b != 0x0000ff))
1492	return;
1493	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1494	lookup_r = lookup;
1495	lookup_g = lookup+256;
1496	lookup_b = lookup+256+256;
1497	sh_r = 16;
1498	sh_g = 8;
1499	sh_b = 0;
1500	break;
1501	default:
1502	return; /* we do not support this color depth */
1503	}
1504		1186
1505	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1506	if (shade > 100)	1188	if (shade > 100)
1507	{	1189	{
1508	shade = 200 - shade;
1509
1510	high.r = c.r * shade / 100;
1511	high.g = c.g * shade / 100;
1512	high.b = c.b * shade / 100;
1513
1514	low.r = 65535 * (100 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
1515	low.g = 65535 * (100 - shade) / 100;	1191	c.g = c.g * (200 - shade) / 100;
1516	low.b = 65535 * (100 - shade) / 100;	1192	c.b = c.b * (200 - shade) / 100;
		1193
		1194	low = 0xffff * (shade - 100) / 100;
1517	}	1195	}
1518	else	1196	else
1519	{	1197	{
1520	high.r = c.r * shade / 100;	1198	c.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;	1199	c.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;	1200	c.b = c.b * shade / 100;
1523		1201
1524	low.r = low.g = low.b = 0;	1202	low = 0;
1525	}	1203	}
1526		1204
1527	/* fill our lookup tables */	1205	/* fill our lookup tables */
1528	for (i = 0; i <= mask_r>>sh_r; i++)	1206	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1529	{	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1530	uint32_t tmp;	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1531	tmp = i * high.r;
1532	tmp += (mask_r>>sh_r) * low.r;
1533	lookup_r[i] = (tmp/65535)<<sh_r;
1534	}
1535	for (i = 0; i <= mask_g>>sh_g; i++)
1536	{
1537	uint32_t tmp;
1538	tmp = i * high.g;
1539	tmp += (mask_g>>sh_g) * low.g;
1540	lookup_g[i] = (tmp/65535)<<sh_g;
1541	}
1542	for (i = 0; i <= mask_b>>sh_b; i++)
1543	{
1544	uint32_t tmp;
1545	tmp = i * high.b;
1546	tmp += (mask_b>>sh_b) * low.b;
1547	lookup_b[i] = (tmp/65535)<<sh_b;
1548	}
1549		1209
1550	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1551	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1552	&& (ximage->depth == 24 || ximage->depth == 32)
1553	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1554	{	1213	{
1555	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1556	p1 = (uint32_t *) ximage->data;
1557	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1558		1215
1559	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1560	{
1561	p = p1;
1562	pl = p1 + ximage->width;
1563	for (; p < pl; p++)
1564	{	1217	{
1565	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1566	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1567	lookup_b[(*p & 0x0000ff)] |
1568	(*p & 0xff000000);
1569	}	1220	{
1570	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1221	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1222	lookup_g[(*p & mask_g) >> sh_g] |
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1571	}	1227	}
1572	}	1228	}
1573	else	1229	else
1574	{	1230	{
1575	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1583	}	1239	}
1584	}	1240	}
1585		1241
1586	free (lookup);	1242	free (lookup);
1587	}	1243	}
1588	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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