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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.160 by sf-exg, Thu Aug 11 08:37:17 2011 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	*/
52		40
53	#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
54	void	60	void
55	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
56	{	62	{
57	#ifdef HAVE_AFTERIMAGE
58	if (original_asim)
59	safe_asimage_destroy (original_asim);
60	if (asv)
61	destroy_asvisual (asv, 0);
62	if (asimman)
63	destroy_image_manager (asimman, 0);
64	#endif
65
66	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
67	if (pixbuf)	64	if (pixbuf)
68	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
69	#endif	66	#endif
70		67
…		…
123		120
124	return false;	121	return false;
125	}	122	}
126		123
127	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
128	static inline bool
129	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value > 1000)
134	new_value = 1000;
135	if (new_value != scale)
136	{
137	scale = new_value;
138	return true;
139	}
140	}
141	return false;
142	}
143
144	static inline bool
145	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
146	{
147	if (geom_flags & flag)
148	{
149	if (new_value < -100)
150	new_value = -100;
151	else if (new_value > 200)
152	new_value = 200;
153	if (new_value != align)
154	{
155	align = new_value;
156	return true;
157	}
158	}
159	return false;
160	}
161
162	static inline int	125	static inline int
163	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
164	{	127	{
165	int diff = window_size - image_size;
166	int smaller = min (image_size, window_size);
167
168	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
169	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
170	else if (align > 100 && align <= 200)	130	else if (align > 100)
171	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
172	else if (align >= -100 && align < 0)	132	else
173	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
174	return 0;
175	}	134	}
176		135
177	static inline int	136	static inline int
178	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
179	{	138	{
…		…
185	src_pos = -pos;	144	src_pos = -pos;
186	dst_pos = 0;	145	dst_pos = 0;
187	dst_size += pos;	146	dst_size += pos;
188	}	147	}
189		148
190	if (dst_pos + dst_size > target_size)
191	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
192	return src_pos;	150	return src_pos;
193	}	151	}
194		152
195	bool	153	bool
196	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
197	{	155	{
198	bool changed = false;	156	bool changed = false;
199	int geom_flags = 0;	157	int geom_flags = 0;
200	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
201	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
202	unsigned int n;	161	unsigned int h = v_scale;
203	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	162	unsigned long new_flags = 0;
204	const char *ops;
205		163
206	if (geom == NULL)	164	if (geom == NULL)
207	return false;	165	return false;
208		166
209	char str[256];	167	if (geom[0])
210
211	ops = strchr (geom, ':');
212	if (ops == NULL)
213	n = strlen (geom);
214	else
215	n = ops - geom;
216
217	if (n >= sizeof (str))
218	return false;
219
220	memcpy (str, geom, n);
221	str[n] = '\0';
222	rxvt_strtrim (str);
223
224	if (str[0])
225	{	168	{
226	/* we have geometry string - let's handle it prior to applying ops */	169	char **arr = rxvt_strsplit (':', geom);
		170
		171	for (int i = 0; arr[i]; i++)
		172	{
		173	if (!strcasecmp (arr[i], "style=tiled"))
		174	{
		175	new_flags = BG_TILE;
		176	w = h = noScale;
		177	x = y = 0;
		178	geom_flags = WidthValue|HeightValue|XValue|YValue;
		179	}
		180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		181	{
		182	new_flags = BG_KEEP_ASPECT;
		183	w = h = windowScale;
		184	x = y = centerAlign;
		185	geom_flags = WidthValue|HeightValue|XValue|YValue;
		186	}
		187	else if (!strcasecmp (arr[i], "style=stretched"))
		188	{
		189	new_flags = 0;
		190	w = h = windowScale;
		191	geom_flags = WidthValue|HeightValue;
		192	}
		193	else if (!strcasecmp (arr[i], "style=centered"))
		194	{
		195	new_flags = 0;
		196	w = h = noScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue|HeightValue|XValue|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=root-tiled"))
		201	{
		202	new_flags = BG_TILE|BG_ROOT_ALIGN;
		203	w = h = noScale;
		204	geom_flags = WidthValue|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "op=tile"))
		207	new_flags |= BG_TILE;
		208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		209	new_flags |= BG_KEEP_ASPECT;
		210	else if (!strcasecmp (arr[i], "op=root-align"))
		211	new_flags |= BG_ROOT_ALIGN;
		212
		213	// deprecated
		214	else if (!strcasecmp (arr[i], "tile"))
		215	{
		216	new_flags |= BG_TILE;
		217	w = h = noScale;
		218	geom_flags |= WidthValue|HeightValue;
		219	}
		220	else if (!strcasecmp (arr[i], "propscale"))
		221	{
		222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
		225	}
		226	else if (!strcasecmp (arr[i], "hscale"))
		227	{
		228	new_flags |= BG_TILE;
		229	w = windowScale;
		230	h = noScale;
		231	geom_flags |= WidthValue|HeightValue;
		232	}
		233	else if (!strcasecmp (arr[i], "vscale"))
		234	{
		235	new_flags |= BG_TILE;
		236	h = windowScale;
		237	w = noScale;
		238	geom_flags |= WidthValue|HeightValue;
		239	}
		240	else if (!strcasecmp (arr[i], "scale"))
		241	{
		242	w = h = windowScale;
		243	geom_flags |= WidthValue|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
		248	x = y = centerAlign;
		249	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		250	}
		251	else if (!strcasecmp (arr[i], "root"))
		252	{
		253	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		254	w = h = noScale;
		255	geom_flags |= WidthValue|HeightValue;
		256	}
		257
		258	else
227	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
228	} /* done parsing geometry string */	260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
229		266
230	if (!update)	267	if (!update)
231	{	268	{
232	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
233	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
238	w = h = defaultScale;	275	w = h = defaultScale;
239	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
240	h = w;	277	h = w;
241	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
242	w = h;	279	w = h;
243
244	geom_flags |= WidthValue|HeightValue|XValue|YValue;
245	}
246
247	if (ops)
248	{	280	}
249	char **arr = rxvt_strsplit (':', ops + 1);
250		281
251	for (int i = 0; arr[i]; i++)	282	min_it (w, 1000);
252	{	283	min_it (h, 1000);
253	if (!strcasecmp (arr[i], "style=tiled"))	284	clamp_it (x, -100, 200);
254	{	285	clamp_it (y, -100, 200);
255	new_flags = BG_TILE;
256	w = h = noScale;
257	x = y = 0;
258	geom_flags = WidthValue|HeightValue|XValue|YValue;
259	}
260	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
261	{
262	new_flags = BG_PROP_SCALE;
263	x = y = centerAlign;
264	geom_flags = XValue|YValue;
265	}
266	else if (!strcasecmp (arr[i], "style=stretched"))
267	{
268	new_flags = 0;
269	w = h = windowScale;
270	geom_flags = WidthValue|HeightValue;
271	}
272	else if (!strcasecmp (arr[i], "style=centered"))
273	{
274	new_flags = 0;
275	w = h = noScale;
276	x = y = centerAlign;
277	geom_flags = WidthValue|HeightValue|XValue|YValue;
278	}
279	else if (!strcasecmp (arr[i], "style=root-tiled"))
280	{
281	new_flags = BG_TILE|BG_ROOT_ALIGN;
282	w = h = noScale;
283	geom_flags = WidthValue|HeightValue;
284	}
285	else if (!strcasecmp (arr[i], "op=tile"))
286	new_flags |= BG_TILE;
287	else if (!strcasecmp (arr[i], "op=pscale"))
288	new_flags |= BG_PROP_SCALE;
289	else if (!strcasecmp (arr[i], "op=root"))
290	new_flags |= BG_ROOT_ALIGN;
291		286
292	// deprecated	287	if (bg_flags != new_flags
293	else if (!strcasecmp (arr[i], "tile"))	288	|| h_scale != w
294	{	289	|| v_scale != h
295	new_flags |= BG_TILE;	290	|| h_align != x
296	w = h = noScale;	291	|| v_align != y)
297	geom_flags |= WidthValue|HeightValue;
298	}
299	else if (!strcasecmp (arr[i], "propscale"))
300	{
301	new_flags |= BG_PROP_SCALE;
302	}
303	else if (!strcasecmp (arr[i], "scale"))
304	{
305	if (h == 0) h = windowScale;
306	if (w == 0) w = windowScale;
307
308	geom_flags |= WidthValue|HeightValue;
309	}
310	else if (!strcasecmp (arr[i], "root"))
311	{
312	new_flags |= BG_TILE|BG_ROOT_ALIGN;
313	w = h = noScale;
314	geom_flags |= WidthValue|HeightValue;
315	}
316	} /* done parsing ops */
317
318	rxvt_free_strsplit (arr);
319	}
320
321	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
322	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
323	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
324	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
325
326	if (new_flags != bg_flags)
327	{	292	{
328	bg_flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
329	changed = true;	298	changed = true;
330	}	299	}
331		300
332	return changed;	301	return changed;
333	}	302	}
…		…
336	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
337	{	306	{
338	int target_width = szHint.width;	307	int target_width = szHint.width;
339	int target_height = szHint.height;	308	int target_height = szHint.height;
340		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
341	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
342	{	314	{
343	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
344	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
345	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
346	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
347	}	319	}
348	else
349	{
350	w = h_scale * target_width / 100;
351	h = v_scale * target_height / 100;
352	}
353		320
354	if (!w) w = image_width;	321	if (!w) w = image_width;
355	if (!h) h = image_height;	322	if (!h) h = image_height;
356		323
357	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
363	{	330	{
364	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
365	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
366	}	333	}
367		334
368	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
369	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
370	|| (bg_flags & BG_PROP_SCALE) || h_scale || v_scale	336	|| h_scale || v_scale
371	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
372	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
373	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
374	}	342	}
375		343
376	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
377	bool	345	bool
378	rxvt_term::render_image (unsigned long tr_flags)	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		347	int src_x, int src_y, int dst_x, int dst_y,
		348	unsigned int width, unsigned int height)
379	{	349	{
380	init_asv ();	350	XImage *ximage;
		351	char *line;
		352	int width_r, width_g, width_b, width_a;
		353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
		355	int rowstride;
		356	int channels;
		357	unsigned char *row;
381		358
382	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
383	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
384		361
385	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
386	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
387	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);	364	if (format)
		365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		366	else
		367	#endif
		368	alpha_mask = 0;
388		369
389	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
390	{	371	width_g = ecb_popcount32 (visual->green_mask);
391	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
392	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
393		374
394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	375	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
395	if (bg_flags & BG_TINT_SET)	376	return false;
396	tint.get (c);
397	as_shade.tintColor.red = c.r;
398	as_shade.tintColor.green = c.g;
399	as_shade.tintColor.blue = c.b;
400		377
401	background_tint = shading2tint32 (&as_shade);	378	sh_r = ecb_ctz32 (visual->red_mask);
		379	sh_g = ecb_ctz32 (visual->green_mask);
		380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
		382
		383	if (width > 32767 || height > 32767)
		384	return false;
		385
		386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		387	width, height, 32, 0);
		388	if (!ximage)
		389	return false;
		390
		391	if (height > INT_MAX / ximage->bytes_per_line
		392	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
402	}	393	{
403		394	XDestroyImage (ximage);
404	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
405	{	396	}
406	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
407	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
408	100, ASIMAGE_QUALITY_DEFAULT);	399
409	if (tmp)	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		401	channels = gdk_pixbuf_get_n_channels (pixbuf);
		402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
		414
		415	for (int y = 0; y < height; y++)
		416	{
		417	for (int x = 0; x < width; x++)
		418	{
		419	unsigned char *pixel = row + x * channels;
		420	uint32_t value;
		421	unsigned char r, g, b, a;
		422
		423	if (channels == 4)
410	{	424	{
411	destroy_asimage (&background);	425	a = pixel[3];
412	background = tmp;	426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
		438	value = ((r >> (8 - width_r)) << sh_r)
		439	| ((g >> (8 - width_g)) << sh_g)
		440	| ((b >> (8 - width_b)) << sh_b)
		441	| ((a >> (8 - width_a)) << sh_a);
		442
		443	if (ximage->bits_per_pixel == 32)
		444	((uint32_t *)line)[x] = value;
		445	else
		446	XPutPixel (ximage, x, y, value);
413	}	447	}
414	}
415	# endif
416		448
417	ASImage *result = 0;	449	row += rowstride;
		450	line += ximage->bytes_per_line;
		451	}
		452
		453	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		454	XDestroyImage (ximage);
		455	return true;
		456	}
		457
		458	bool
		459	rxvt_term::render_image (bool transparent)
		460	{
		461	if (!pixbuf)
		462	return false;
		463
		464	if (transparent
		465	&& !(bg_flags & BG_HAS_RENDER))
		466	return false;
		467
		468	GdkPixbuf *result;
		469
		470	int image_width = gdk_pixbuf_get_width (pixbuf);
		471	int image_height = gdk_pixbuf_get_height (pixbuf);
418		472
419	int target_width = szHint.width;	473	int target_width = szHint.width;
420	int target_height = szHint.height;	474	int target_height = szHint.height;
421	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
422	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
424	int x = 0;	478	int x = 0;
425	int y = 0;	479	int y = 0;
426	int w = 0;	480	int w = 0;
427	int h = 0;	481	int h = 0;
428		482
429	if (original_asim)
430	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
431
432	if (!original_asim
433	|| (!(bg_flags & BG_ROOT_ALIGN)
434	&& (x >= target_width
435	|| y >= target_height
436	|| (x + w <= 0)
437	|| (y + h <= 0))))
438	{
439	if (background)
440	{
441	new_pmap_width = background->width;
442	new_pmap_height = background->height;
443	result = background;
444
445	if (background_tint != TINT_LEAVE_SAME)
446	{
447	ASImage *tmp = tile_asimage (asv, background, 0, 0,
448	target_width, target_height, background_tint,
449	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
450	if (tmp)
451	result = tmp;
452	}
453	}
454	else
455	new_pmap_width = new_pmap_height = 0;
456	}
457	else
458	{
459	result = original_asim;
460
461	if ((w != original_asim->width)
462	|| (h != original_asim->height))
463	{
464	result = scale_asimage (asv, original_asim,
465	w, h,
466	background ? ASA_ASImage : ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	}
469
470	if (background == NULL)
471	{
472	if (bg_flags & BG_TILE)
473	{
474	/* if tiling - pixmap has to be sized exactly as the image,
475	but there is no need to make it bigger than the window! */
476	new_pmap_width = min (result->width, target_width);
477	new_pmap_height = min (result->height, target_height);
478
479	/* we also need to tile our image in both directions */
480	ASImage *tmp = tile_asimage (asv, result,
481	(int)result->width - x,
482	(int)result->height - y,
483	new_pmap_width,
484	new_pmap_height,
485	TINT_LEAVE_SAME, ASA_XImage,
486	100, ASIMAGE_QUALITY_DEFAULT);
487	if (tmp)
488	{
489	if (result != original_asim)
490	destroy_asimage (&result);
491
492	result = tmp;
493	}
494	}
495	}
496	else
497	{
498	/* if blending background and image - pixmap has to be sized same as target window */
499	ASImageLayer *layers = create_image_layers (2);
500
501	layers[0].im = background;
502	layers[0].clip_width = target_width;
503	layers[0].clip_height = target_height;
504	layers[0].tint = background_tint;
505	layers[1].im = result;
506
507	if (bg_flags & BG_TILE)
508	{
509	/* tile horizontally */
510	while (x > 0) x -= (int)result->width;
511	layers[1].dst_x = x;
512	layers[1].clip_width = result->width+target_width;
513	}
514	else
515	{
516	/* clip horizontally */
517	layers[1].dst_x = x;
518	layers[1].clip_width = result->width;
519	}
520
521	if (bg_flags & BG_TILE)
522	{
523	while (y > 0) y -= (int)result->height;
524	layers[1].dst_y = y;
525	layers[1].clip_height = result->height + target_height;
526	}
527	else
528	{
529	layers[1].dst_y = y;
530	layers[1].clip_height = result->height;
531	}
532
533	if (rs[Rs_blendtype])
534	{
535	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
536	if (layers[1].merge_scanlines == NULL)
537	layers[1].merge_scanlines = alphablend_scanlines;
538	}
539
540	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
541	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
542
543	if (tmp)
544	{
545	if (result != original_asim)
546	destroy_asimage (&result);
547
548	result = tmp;
549	}
550
551	free (layers);
552	}
553	}
554
555	bool ret = false;
556
557	if (result)
558	{
559	XGCValues gcv;
560	GC gc;
561
562	/* create Pixmap */
563	if (bg_pixmap == None
564	|| bg_pmap_width != new_pmap_width
565	|| bg_pmap_height != new_pmap_height)
566	{
567	if (bg_pixmap)
568	XFreePixmap (dpy, bg_pixmap);
569	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
570	bg_pmap_width = new_pmap_width;
571	bg_pmap_height = new_pmap_height;
572	}
573	/* fill with background color (if result's not completely overlapping it) */
574	gcv.foreground = pix_colors[Color_bg];
575	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
576
577	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
578	int dst_width = result->width, dst_height = result->height;
579	if (background == NULL)
580	{
581	if (!(bg_flags & BG_TILE))
582	{
583	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
584	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
585	}
586
587	if (dst_x > 0 || dst_y > 0
588	|| dst_x + dst_width < new_pmap_width
589	|| dst_y + dst_height < new_pmap_height)
590	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
591	}
592
593	/* put result on pixmap */
594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
595	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
596
597	if (result != background && result != original_asim)
598	destroy_asimage (&result);
599
600	XFreeGC (dpy, gc);
601
602	ret = true;
603	}
604
605	if (background)
606	destroy_asimage (&background);
607
608	return ret;
609	}
610	# endif /* HAVE_AFTERIMAGE */
611
612	# ifdef HAVE_PIXBUF
613	bool
614	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
615	int src_x, int src_y, int dst_x, int dst_y,
616	unsigned int width, unsigned int height)
617	{
618	XImage *ximage;
619	char *data, *line;
620	int bytes_per_pixel;
621	int width_r, width_g, width_b;
622	int sh_r, sh_g, sh_b;
623	int rowstride;
624	int channels;
625	unsigned char *row;
626
627	if (visual->c_class != TrueColor)
628	return false;
629
630	if (depth == 24 || depth == 32)
631	bytes_per_pixel = 4;
632	else if (depth == 15 || depth == 16)
633	bytes_per_pixel = 2;
634	else
635	return false;
636
637	width_r = ecb_popcount32 (visual->red_mask);
638	width_g = ecb_popcount32 (visual->green_mask);
639	width_b = ecb_popcount32 (visual->blue_mask);
640
641	if (width_r > 8 || width_g > 8 || width_b > 8)
642	return false;
643
644	sh_r = ecb_ctz32 (visual->red_mask);
645	sh_g = ecb_ctz32 (visual->green_mask);
646	sh_b = ecb_ctz32 (visual->blue_mask);
647
648	if (width > INT_MAX / height / bytes_per_pixel)
649	return false;
650
651	data = (char *)malloc (width * height * bytes_per_pixel);
652	if (!data)
653	return false;
654
655	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
656	width, height, bytes_per_pixel * 8, 0);
657	if (!ximage)
658	{
659	free (data);
660	return false;
661	}
662
663	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
664
665	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
666	channels = gdk_pixbuf_get_n_channels (pixbuf);
667	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
668	line = data;
669
670	for (int y = 0; y < height; y++)
671	{
672	for (int x = 0; x < width; x++)
673	{
674	unsigned char *pixel = row + x * channels;
675	uint32_t value;
676
677	value = ((pixel[0] >> (8 - width_r)) << sh_r)
678	| ((pixel[1] >> (8 - width_g)) << sh_g)
679	| ((pixel[2] >> (8 - width_b)) << sh_b);
680
681	if (bytes_per_pixel == 4)
682	((uint32_t *)line)[x] = value;
683	else
684	((uint16_t *)line)[x] = value;
685	}
686
687	row += rowstride;
688	line += ximage->bytes_per_line;
689	}
690
691	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
692	XDestroyImage (ximage);
693	return true;
694	}
695
696	bool
697	rxvt_term::render_image (unsigned long tr_flags)
698	{
699	if (!pixbuf)
700	return false;
701
702	if (tr_flags
703	&& !(bg_flags & BG_HAS_RENDER))
704	return false;
705
706	GdkPixbuf *result;
707
708	int image_width = gdk_pixbuf_get_width (pixbuf);
709	int image_height = gdk_pixbuf_get_height (pixbuf);
710
711	int target_width = szHint.width;
712	int target_height = szHint.height;
713	int new_pmap_width = target_width;
714	int new_pmap_height = target_height;
715
716	int x = 0;
717	int y = 0;
718	int w = 0;
719	int h = 0;
720
721	get_image_geometry (image_width, image_height, w, h, x, y);	483	get_image_geometry (image_width, image_height, w, h, x, y);
722		484
723	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
724	&& (x >= target_width	486	&& (x >= target_width
725	|| y >= target_height	487	|| y >= target_height
726	|| (x + w <= 0)	488	|| x + w <= 0
727	|| (y + h <= 0)))	489	|| y + h <= 0))
728	return false;	490	return false;
729		491
730	result = pixbuf;	492	result = pixbuf;
731		493
732	if ((w != image_width)	494	if (w != image_width
733	|| (h != image_height))	495	|| h != image_height)
734	{	496	{
735	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
736	w, h,	498	w, h,
737	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
738	}	500	}
…		…
747	Pixmap root_pmap;	509	Pixmap root_pmap;
748		510
749	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
750	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
751		513
752	if (tr_flags)	514	if (transparent)
753	{	515	{
754	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
755	bg_pixmap = None;	517	bg_pixmap = None;
756	}	518	}
757	else	519	else
…		…
815	dst_x, dst_y,	577	dst_x, dst_y,
816	dst_width, dst_height);	578	dst_width, dst_height);
817	}	579	}
818		580
819	#if XRENDER	581	#if XRENDER
820	if (tr_flags)	582	if (transparent)
821	{	583	{
822	XRenderPictureAttributes pa;
823
824	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
825	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
826		587
827	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		589
830	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
831	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
832	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
833	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
834	XFreePixmap (dpy, mask_pmap);
835		591
836	XRenderColor mask_c;	592	XRenderColor mask_c;
837		593
838	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
839	mask_c.red = 0;	595	mask_c.red =
840	mask_c.green = 0;	596	mask_c.green =
841	mask_c.blue = 0;	597	mask_c.blue = 0;
842	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
843	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
844		601
845	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
846	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
847	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
854	}	611	}
855		612
856	if (result != pixbuf)	613	if (result != pixbuf)
857	g_object_unref (result);	614	g_object_unref (result);
858		615
859	if (tr_flags)	616	if (transparent)
860	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
861		618
862	return ret;	619	return ret;
863	}	620	}
864	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
867	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
868	{	625	{
869	if (!file || !*file)	626	if (!file || !*file)
870	return false;	627	return false;
871		628
		629	bool ret = false;
872	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
873	{	633	{
874	size_t len = p - file;	634	size_t len = p - file;
875	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
876	memcpy (f, file, len);	636	memcpy (f, file, len);
877	f[len] = '\0';	637	f[len] = '\0';
878	file = f;	638	file = f;
879	}	639	}
880		640
881	# ifdef HAVE_AFTERIMAGE
882	if (!asimman)
883	asimman = create_generic_imageman (rs[Rs_path]);
884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
885	if (image)
886	{
887	if (original_asim)
888	safe_asimage_destroy (original_asim);
889	original_asim = image;
890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
891	return true;
892	}
893	# endif
894
895	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897	if (image)	643	if (image)
898	{	644	{
899	if (pixbuf)	645	if (pixbuf)
900	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
901	pixbuf = image;	647	pixbuf = image;
902	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
903	return true;	649	ret = true;
904	}	650	}
905	# endif	651	# endif
906		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
907	return false;	661	return ret;
908	}	662	}
909		663
910	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
911		665
912	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
913	bool
914	rxvt_term::bg_set_transparent ()
915	{
916	if (!(bg_flags & BG_IS_TRANSPARENT))
917	{
918	bg_flags |= BG_IS_TRANSPARENT;
919	return true;
920	}
921
922	return false;
923	}
924
925	bool	667	bool
926	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
927	{	669	{
928	bool changed = false;	670	bool changed = false;
929	unsigned int hr, vr;	671	unsigned int hr, vr;
…		…
948	{	690	{
949	changed = true;	691	changed = true;
950	v_blurRadius = vr;	692	v_blurRadius = vr;
951	}	693	}
952		694
953	if (v_blurRadius == 0 && h_blurRadius == 0)	695	if (h_blurRadius && v_blurRadius)
		696	bg_flags |= BG_NEEDS_BLUR;
		697	else
954	bg_flags &= ~BG_NEEDS_BLUR;	698	bg_flags &= ~BG_NEEDS_BLUR;
955	else
956	bg_flags |= BG_NEEDS_BLUR;
957		699
958	return changed;	700	return changed;
959	}	701	}
960		702
961	void	703	void
962	rxvt_term::set_tint_shade_flags ()	704	rxvt_term::set_tint_shade_flags ()
963	{	705	{
964	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	706	if (shade != 100 || (bg_flags & BG_TINT_SET))
965	bool has_shade = shade != 100;	707	bg_flags |= BG_NEEDS_TINT;
		708	else
		709	bg_flags &= ~BG_NEEDS_TINT;
		710	}
966		711
		712	bool
		713	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		714	{
		715	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		716	{
		717	tint = new_tint;
967	bg_flags &= ~BG_TINT_FLAGS;	718	bg_flags |= BG_TINT_SET;
968		719
969	if (bg_flags & BG_TINT_SET)	720	rgba c;
970	{
971	tint.get (c);	721	tint.get (c);
972	if (!has_shade
973	&& (c.r <= 0x00ff || c.r >= 0xff00)	722	if ((c.r <= 0x00ff || c.r >= 0xff00)
974	&& (c.g <= 0x00ff || c.g >= 0xff00)	723	&& (c.g <= 0x00ff || c.g >= 0xff00)
975	&& (c.b <= 0x00ff || c.b >= 0xff00))	724	&& (c.b <= 0x00ff || c.b >= 0xff00))
976	bg_flags |= BG_TINT_BITAND;	725	bg_flags |= BG_TINT_BITAND;
977	}	726	else
978
979	if (has_shade || (bg_flags & BG_TINT_SET))
980	bg_flags |= BG_NEEDS_TINT;
981	}
982
983	bool
984	rxvt_term::bg_set_tint (rxvt_color &new_tint)
985	{
986	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
987	{
988	tint = new_tint;
989	bg_flags |= BG_TINT_SET;	727	bg_flags &= ~BG_TINT_BITAND;
		728
990	set_tint_shade_flags ();	729	set_tint_shade_flags ();
991	return true;	730	return true;
992	}	731	}
993		732
994	return false;	733	return false;
995	}	734	}
996		735
997	bool	736	bool
998	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
999	{	738	{
1000	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
1001		740
1002	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
1003	if (new_shade < 0)	742	if (new_shade < 0)
1004	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
1005		744
…		…
1035	params[i+2] = XDoubleToFixed (kernel[i] / sum);	774	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1036	}	775	}
1037	#endif	776	#endif
1038		777
1039	bool	778	bool
1040	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	779	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1041	{	780	{
1042	bool ret = false;	781	bool ret = false;
1043	#if XRENDER	782	#if XRENDER
		783	if (!(bg_flags & BG_HAS_RENDER_CONV))
		784	return false;
		785
1044	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	786	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1045	double *kernel = (double *)malloc (size * sizeof (double));	787	double *kernel = (double *)malloc (size * sizeof (double));
1046	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	788	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1047		789
1048	XRenderPictureAttributes pa;	790	XRenderPictureAttributes pa;
1049	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	791	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1050		792
		793	pa.repeat = RepeatPad;
1051	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	794	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		795	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1052	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	796	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		797	XFreePixmap (dpy, tmp);
1053		798
1054	if (kernel && params)	799	if (kernel && params)
1055	{	800	{
1056	if (h_blurRadius)
1057	{
1058	size = h_blurRadius * 2 + 1;	801	size = h_blurRadius * 2 + 1;
1059	get_gaussian_kernel (h_blurRadius, size, kernel, params);	802	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1060		803
1061	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1062	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1063	PictOpSrc,	806	PictOpSrc,
1064	src,	807	src,
1065	None,	808	None,
1066	dst,	809	dst,
1067	0, 0,	810	0, 0,
1068	0, 0,	811	0, 0,
1069	0, 0,	812	0, 0,
1070	width, height);	813	width, height);
1071	}
1072		814
1073	if (v_blurRadius)	815	::swap (src, dst);
1074	{	816
1075	size = v_blurRadius * 2 + 1;	817	size = v_blurRadius * 2 + 1;
1076	get_gaussian_kernel (v_blurRadius, size, kernel, params);	818	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1077	::swap (params[0], params[1]);	819	::swap (params[0], params[1]);
1078		820
1079	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	821	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1080	XRenderComposite (dpy,	822	XRenderComposite (dpy,
1081	PictOpSrc,	823	PictOpSrc,
1082	src,	824	src,
1083	None,	825	None,
1084	dst,	826	dst,
1085	0, 0,	827	0, 0,
1086	0, 0,	828	0, 0,
1087	0, 0,	829	0, 0,
1088	width, height);	830	width, height);
1089	}
1090		831
1091	ret = true;	832	ret = true;
1092	}	833	}
1093		834
1094	free (kernel);	835	free (kernel);
…		…
1102	bool	843	bool
1103	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	844	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1104	{	845	{
1105	bool ret = false;	846	bool ret = false;
1106		847
1107	if (bg_flags & BG_TINT_BITAND)	848	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1108	{	849	{
1109	XGCValues gcv;	850	XGCValues gcv;
1110	GC gc;	851	GC gc;
1111		852
1112	/* In this case we can tint image server-side getting significant	853	/* In this case we can tint image server-side getting significant
…		…
1121	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	862	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1122	ret = true;	863	ret = true;
1123	XFreeGC (dpy, gc);	864	XFreeGC (dpy, gc);
1124	}	865	}
1125	}	866	}
1126	else
1127	{
1128	# if XRENDER	867	# if XRENDER
		868	else if (bg_flags & BG_HAS_RENDER)
		869	{
1129	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1130		871
1131	if (bg_flags & BG_TINT_SET)	872	if (bg_flags & BG_TINT_SET)
1132	tint.get (c);	873	tint.get (c);
1133		874
…		…
1142	c.r = c.r * (200 - shade) / 100;	883	c.r = c.r * (200 - shade) / 100;
1143	c.g = c.g * (200 - shade) / 100;	884	c.g = c.g * (200 - shade) / 100;
1144	c.b = c.b * (200 - shade) / 100;	885	c.b = c.b * (200 - shade) / 100;
1145	}	886	}
1146		887
1147	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1148	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	888	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1149	XRenderPictureAttributes pa;
1150		889
1151	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	890	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1152		891
1153	pa.repeat = True;	892	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1154		893
1155	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	894	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1156	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1157	XFreePixmap (dpy, overlay_pmap);
1158
1159	pa.component_alpha = True;
1160	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1161	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1162	XFreePixmap (dpy, mask_pmap);
1163		895
1164	XRenderColor mask_c;	896	XRenderColor mask_c;
1165		897
1166	mask_c.alpha = 0xffff;	898	mask_c.alpha = 0xffff;
1167	mask_c.red =	899	mask_c.red =
…		…
1172	mask_c.alpha = 0;	904	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;	905	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;	906	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;	907	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	908	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		909
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	910	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178		911
1179	if (shade > 100)	912	if (shade > 100)
1180	{	913	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;	914	mask_c.alpha = 0;
		915	mask_c.red =
		916	mask_c.green =
		917	mask_c.blue = 0xffff * (shade - 100) / 100;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	918	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184		919
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	920	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}	921	}
1187		922
1188	ret = true;	923	ret = true;
1189		924
1190	XRenderFreePicture (dpy, mask_pic);	925	XRenderFreePicture (dpy, mask_pic);
1191	XRenderFreePicture (dpy, overlay_pic);	926	XRenderFreePicture (dpy, overlay_pic);
1192	XRenderFreePicture (dpy, back_pic);	927	XRenderFreePicture (dpy, back_pic);
		928	}
1193	# endif	929	# endif
1194	}
1195		930
1196	return ret;	931	return ret;
1197	}	932	}
1198		933
1199	/*	934	/*
1200	* Builds a pixmap of the same size as the terminal window that contains	935	* Builds a pixmap of the same size as the terminal window that contains
1201	* the tiled portion of the root pixmap that is supposed to be covered by	936	* the tiled portion of the root pixmap that is supposed to be covered by
1202	* our window.	937	* our window.
1203	*/	938	*/
1204	unsigned long	939	bool
1205	rxvt_term::make_transparency_pixmap ()	940	rxvt_term::make_transparency_pixmap ()
1206	{	941	{
1207	unsigned long result = 0;	942	bool ret = false;
1208		943
1209	/* root dimensions may change from call to call - but Display structure should	944	/* root dimensions may change from call to call - but Display structure should
1210	* be always up-to-date, so let's use it :	945	* be always up-to-date, so let's use it :
1211	*/	946	*/
1212	int screen = display->screen;	947	int screen = display->screen;
…		…
1250	#if XRENDER	985	#if XRENDER
1251	if (bg_flags & BG_HAS_RENDER)	986	if (bg_flags & BG_HAS_RENDER)
1252	{	987	{
1253	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	988	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1254		989
1255	XRenderPictureAttributes pa;
1256
1257	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	990	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1258	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	991	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1259		992
1260	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	993	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1261	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	994	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1262		995
1263	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	996	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1264		997
1265	XRenderFreePicture (dpy, src);	998	XRenderFreePicture (dpy, src);
1266	XRenderFreePicture (dpy, dst);	999	XRenderFreePicture (dpy, dst);
…		…
1283	bg_pmap_width = window_width;	1016	bg_pmap_width = window_width;
1284	bg_pmap_height = window_height;	1017	bg_pmap_height = window_height;
1285	}	1018	}
1286		1019
1287	/* straightforward pixmap copy */	1020	/* straightforward pixmap copy */
1288	while (sx < 0) sx += root_width;	1021	while (sx < 0) sx += root_pmap_width;
1289	while (sy < 0) sy += root_height;	1022	while (sy < 0) sy += root_pmap_height;
1290		1023
1291	gcv.tile = recoded_root_pmap;	1024	gcv.tile = recoded_root_pmap;
1292	gcv.fill_style = FillTiled;	1025	gcv.fill_style = FillTiled;
1293	gcv.ts_x_origin = -sx;	1026	gcv.ts_x_origin = -sx;
1294	gcv.ts_y_origin = -sy;	1027	gcv.ts_y_origin = -sy;
1295	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1028	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1296		1029
1297	if (gc)	1030	if (gc)
1298	{	1031	{
1299	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1032	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1300	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1033	ret = true;
		1034	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (bg_flags & BG_NEEDS_BLUR)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1041	tr_flags &= ~BG_NEEDS_BLUR;
		1042	}
		1043	if (bg_flags & BG_NEEDS_TINT)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1046	tr_flags &= ~BG_NEEDS_TINT;
		1047	}
		1048	if (tr_flags & BG_NEEDS_TINT)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1301	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1302
1303	if (!(bg_flags & BG_CLIENT_RENDER))
1304	{
1305	if ((bg_flags & BG_NEEDS_BLUR)
1306	&& (bg_flags & BG_HAS_RENDER_CONV))
1307	{
1308	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_BLUR;
1310	}
1311	if ((bg_flags & BG_NEEDS_TINT)
1312	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1313	{
1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1315	result &= ~BG_NEEDS_TINT;
1316	}
1317	} /* server side rendering completed */
1318	}	1063	}
1319		1064
1320	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1321	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1322		1067
1323	return result;	1068	return ret;
1324	}	1069	}
1325		1070
1326	void	1071	void
1327	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1328	{	1073	{
…		…
1332		1077
1333	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1334	}	1079	}
1335	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1336		1081
1337	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1338	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1339	# endif
1340
1341	bool	1082	bool
1342	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1343	{	1084	{
1344	unsigned long tr_flags = 0;	1085	bool transparent = false;
1345		1086
1346	bg_invalidate ();	1087	bg_invalidate ();
1347	# ifdef ENABLE_TRANSPARENCY	1088	# ifdef ENABLE_TRANSPARENCY
1348	if (bg_flags & BG_IS_TRANSPARENT)	1089	if (bg_flags & BG_IS_TRANSPARENT)
1349	{	1090	{
1350	/* we need to re-generate transparency pixmap in that case ! */	1091	/* we need to re-generate transparency pixmap in that case ! */
1351	tr_flags = make_transparency_pixmap ();	1092	transparent = make_transparency_pixmap ();
1352	if (tr_flags == 0)	1093	if (transparent)
1353	return false;
1354	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1355	bg_flags |= BG_IS_VALID;	1094	bg_flags |= BG_IS_VALID;
1356	}	1095	}
1357	# endif	1096	# endif
1358		1097
1359	# ifdef BG_IMAGE_FROM_FILE	1098	# ifdef BG_IMAGE_FROM_FILE
1360	if ((bg_flags & BG_IS_FROM_FILE)	1099	if (bg_flags & BG_IS_FROM_FILE)
1361	|| (tr_flags & BG_EFFECTS_FLAGS))
1362	{	1100	{
1363	if (render_image (tr_flags))	1101	if (render_image (transparent))
1364	bg_flags |= BG_IS_VALID;	1102	bg_flags |= BG_IS_VALID;
1365	}
1366	# endif
1367
1368	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1369	XImage *result = NULL;
1370
1371	if (tr_flags && !(bg_flags & BG_IS_VALID))
1372	{
1373	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1374	}
1375
1376	if (result)
1377	{
1378	/* our own client-side tinting */
1379	if (tr_flags & BG_NEEDS_TINT)
1380	{
1381	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1382	if (bg_flags & BG_TINT_SET)
1383	tint.get (c);
1384	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1385	}
1386
1387	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1388
1389	if (gc)
1390	{
1391	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1392
1393	XFreeGC (dpy, gc);
1394	bg_flags |= BG_IS_VALID;
1395	}
1396
1397	XDestroyImage (result);
1398	}	1103	}
1399	# endif	1104	# endif
1400		1105
1401	if (!(bg_flags & BG_IS_VALID))	1106	if (!(bg_flags & BG_IS_VALID))
1402	{	1107	{
…		…
1439	#endif	1144	#endif
1440	}	1145	}
1441		1146
1442	#endif /* HAVE_BG_PIXMAP */	1147	#endif /* HAVE_BG_PIXMAP */
1443		1148
1444	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1149	#ifdef ENABLE_TRANSPARENCY
1445	/* taken from aterm-0.4.2 */	1150	/* based on code from aterm-0.4.2 */
1446		1151
1447	static void	1152	static inline void
1448	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1153	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1449	{	1154	{
		1155	for (int i = 0; i <= mask >> sh; i++)
		1156	{
		1157	uint32_t tmp;
		1158	tmp = i * high;
		1159	tmp += (mask >> sh) * low;
		1160	lookup[i] = (tmp / 0xffff) << sh;
		1161	}
		1162	}
		1163
		1164	void
		1165	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1166	{
		1167	unsigned int size_r, size_g, size_b;
1450	int sh_r, sh_g, sh_b;	1168	int sh_r, sh_g, sh_b;
1451	uint32_t mask_r, mask_g, mask_b;	1169	uint32_t mask_r, mask_g, mask_b;
1452	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1170	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1453	rgba low;	1171	unsigned short low;
1454	rgba high;
1455	int i;
1456	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1172	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1457		1173
1458	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1174	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1459		1175
1460	/* for convenience */	1176	/* for convenience */
1461	mask_r = visual->red_mask;	1177	mask_r = visual->red_mask;
1462	mask_g = visual->green_mask;	1178	mask_g = visual->green_mask;
1463	mask_b = visual->blue_mask;	1179	mask_b = visual->blue_mask;
1464		1180
1465	/* boring lookup table pre-initialization */	1181	/* boring lookup table pre-initialization */
1466	switch (ximage->depth)	1182	sh_r = ecb_ctz32 (mask_r);
1467	{	1183	sh_g = ecb_ctz32 (mask_g);
1468	case 15:	1184	sh_b = ecb_ctz32 (mask_b);
1469	if ((mask_r != 0x7c00) ||	1185
1470	(mask_g != 0x03e0) ||	1186	size_r = mask_r >> sh_r;
1471	(mask_b != 0x001f))	1187	size_g = mask_g >> sh_g;
		1188	size_b = mask_b >> sh_b;
		1189
		1190	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1472	return;	1191	return;
1473	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1192
		1193	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1474	lookup_r = lookup;	1194	lookup_r = lookup;
1475	lookup_g = lookup+32;	1195	lookup_g = lookup + size_r;
1476	lookup_b = lookup+32+32;	1196	lookup_b = lookup + size_r + size_g;
1477	sh_r = 10;	1197
1478	sh_g = 5;	1198	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1479	sh_b = 0;	1199
1480	break;	1200	if (bg_flags & BG_TINT_SET)
1481	case 16:	1201	tint.get (c);
1482	if ((mask_r != 0xf800) ||
1483	(mask_g != 0x07e0) ||
1484	(mask_b != 0x001f))
1485	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1487	lookup_r = lookup;
1488	lookup_g = lookup+32;
1489	lookup_b = lookup+32+64;
1490	sh_r = 11;
1491	sh_g = 5;
1492	sh_b = 0;
1493	break;
1494	case 24:
1495	if ((mask_r != 0xff0000) ||
1496	(mask_g != 0x00ff00) ||
1497	(mask_b != 0x0000ff))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1500	lookup_r = lookup;
1501	lookup_g = lookup+256;
1502	lookup_b = lookup+256+256;
1503	sh_r = 16;
1504	sh_g = 8;
1505	sh_b = 0;
1506	break;
1507	case 32:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	default:
1521	return; /* we do not support this color depth */
1522	}
1523		1202
1524	/* prepare limits for color transformation (each channel is handled separately) */	1203	/* prepare limits for color transformation (each channel is handled separately) */
1525	if (shade > 100)	1204	if (shade > 100)
1526	{	1205	{
1527	shade = 200 - shade;
1528
1529	high.r = c.r * shade / 100;
1530	high.g = c.g * shade / 100;
1531	high.b = c.b * shade / 100;
1532
1533	low.r = 65535 * (100 - shade) / 100;	1206	c.r = c.r * (200 - shade) / 100;
1534	low.g = 65535 * (100 - shade) / 100;	1207	c.g = c.g * (200 - shade) / 100;
1535	low.b = 65535 * (100 - shade) / 100;	1208	c.b = c.b * (200 - shade) / 100;
		1209
		1210	low = 0xffff * (shade - 100) / 100;
1536	}	1211	}
1537	else	1212	else
1538	{	1213	{
1539	high.r = c.r * shade / 100;	1214	c.r = c.r * shade / 100;
1540	high.g = c.g * shade / 100;	1215	c.g = c.g * shade / 100;
1541	high.b = c.b * shade / 100;	1216	c.b = c.b * shade / 100;
1542		1217
1543	low.r = low.g = low.b = 0;	1218	low = 0;
1544	}	1219	}
1545		1220
1546	/* fill our lookup tables */	1221	/* fill our lookup tables */
1547	for (i = 0; i <= mask_r>>sh_r; i++)	1222	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1548	{	1223	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1549	uint32_t tmp;	1224	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1550	tmp = i * high.r;
1551	tmp += (mask_r>>sh_r) * low.r;
1552	lookup_r[i] = (tmp/65535)<<sh_r;
1553	}
1554	for (i = 0; i <= mask_g>>sh_g; i++)
1555	{
1556	uint32_t tmp;
1557	tmp = i * high.g;
1558	tmp += (mask_g>>sh_g) * low.g;
1559	lookup_g[i] = (tmp/65535)<<sh_g;
1560	}
1561	for (i = 0; i <= mask_b>>sh_b; i++)
1562	{
1563	uint32_t tmp;
1564	tmp = i * high.b;
1565	tmp += (mask_b>>sh_b) * low.b;
1566	lookup_b[i] = (tmp/65535)<<sh_b;
1567	}
1568		1225
1569	/* apply table to input image (replacing colors by newly calculated ones) */	1226	/* apply table to input image (replacing colors by newly calculated ones) */
1570	if (ximage->bits_per_pixel == 32	1227	if (ximage->bits_per_pixel == 32
1571	&& (ximage->depth == 24 || ximage->depth == 32)
1572	&& ximage->byte_order == host_byte_order)	1228	&& ximage->byte_order == host_byte_order)
1573	{	1229	{
1574	uint32_t *p1, *pf, *p, *pl;	1230	char *line = ximage->data;
1575	p1 = (uint32_t *) ximage->data;
1576	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1577		1231
1578	while (p1 < pf)	1232	for (int y = 0; y < ximage->height; y++)
1579	{
1580	p = p1;
1581	pl = p1 + ximage->width;
1582	for (; p < pl; p++)
1583	{	1233	{
1584	*p = lookup_r[(*p & 0xff0000) >> 16] |	1234	uint32_t *p = (uint32_t *)line;
1585	lookup_g[(*p & 0x00ff00) >> 8] |	1235	for (int x = 0; x < ximage->width; x++)
1586	lookup_b[(*p & 0x0000ff)] |
1587	(*p & 0xff000000);
1588	}	1236	{
1589	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1237	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1238	lookup_g[(*p & mask_g) >> sh_g] |
		1239	lookup_b[(*p & mask_b) >> sh_b];
		1240	p++;
		1241	}
		1242	line += ximage->bytes_per_line;
1590	}	1243	}
1591	}	1244	}
1592	else	1245	else
1593	{	1246	{
1594	for (int y = 0; y < ximage->height; y++)	1247	for (int y = 0; y < ximage->height; y++)
…		…
1602	}	1255	}
1603	}	1256	}
1604		1257
1605	free (lookup);	1258	free (lookup);
1606	}	1259	}
1607	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1260	#endif /* ENABLE_TRANSPARENCY */

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