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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.155 by sf-exg, Mon May 30 18:39:02 2011 UTC vs.
Revision 1.210 by sf-exg, Sat May 12 09:43:06 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	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
77	if (pixbuf)	64	if (pixbuf)
78	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
79	#endif	66	#endif
80		67
…		…
133		120
134	return false;	121	return false;
135	}	122	}
136		123
137	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	125	static inline int
173	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
174	{	127	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
179	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	130	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	132	else
183	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	134	}
186		135
187	static inline int	136	static inline int
188	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)
189	{	138	{
…		…
195	src_pos = -pos;	144	src_pos = -pos;
196	dst_pos = 0;	145	dst_pos = 0;
197	dst_size += pos;	146	dst_size += pos;
198	}	147	}
199		148
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	150	return src_pos;
203	}	151	}
204		152
205	bool	153	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
207	{	155	{
208	bool changed = false;	156	bool changed = false;
209	int geom_flags = 0;	157	int geom_flags = 0;
210	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
211	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
212	unsigned int n;	161	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	162	unsigned long new_flags = 0;
214	const char *ops;
215		163
216	if (geom == NULL)	164	if (geom == NULL)
217	return false;	165	return false;
218		166
219	char str[256];	167	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	168	{
236	/* 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
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
239		266
240	if (!update)	267	if (!update)
241	{	268	{
242	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	275	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
250	h = w;	277	h = w;
251	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
252	w = h;	279	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	280	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		281
261	for (int i = 0; arr[i]; i++)	282	min_it (w, 1000);
262	{	283	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	284	clamp_it (x, -100, 200);
264	{	285	clamp_it (y, -100, 200);
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		286
276	h = noScale;	287	if (bg_flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	288	|| h_scale != w
278	}	289	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	290	|| h_align != x
280	{	291	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{	292	{
317	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;
318	changed = true;	298	changed = true;
319	}	299	}
320		300
321	return changed;	301	return changed;
322	}	302	}
…		…
325	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)
326	{	306	{
327	int target_width = szHint.width;	307	int target_width = szHint.width;
328	int target_height = szHint.height;	308	int target_height = szHint.height;
329		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
330	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
331	{	314	{
332	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
336	}	319	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		320
343	if (!w) w = image_width;	321	if (!w) w = image_width;
344	if (!h) h = image_height;	322	if (!h) h = image_height;
345		323
346	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
352	{	330	{
353	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
355	}	333	}
356		334
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;	335	if (!(bg_flags & BG_TILE)
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale	336	|| h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
362	}	342	}
363		343
364	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
365	bool	345	bool
366	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)
367	{	349	{
368	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;
369		358
370	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
371	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
372		361
373	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
374	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
375	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;
376		369
377	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
378	{	371	width_g = ecb_popcount32 (visual->green_mask);
379	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
380	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
381		374
382	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)
383	if (bg_flags & BG_TINT_SET)	376	return false;
384	tint.get (c);
385	as_shade.tintColor.red = c.r;
386	as_shade.tintColor.green = c.g;
387	as_shade.tintColor.blue = c.b;
388		377
389	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)))
390	}	393	{
391		394	XDestroyImage (ximage);
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
393	{	396	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
396	100, ASIMAGE_QUALITY_DEFAULT);	399
397	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)
398	{	424	{
399	destroy_asimage (&background);	425	a = pixel[3];
400	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);
401	}	447	}
402	}
403	# endif
404		448
405	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);
406		472
407	int target_width = szHint.width;	473	int target_width = szHint.width;
408	int target_height = szHint.height;	474	int target_height = szHint.height;
409	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
412	int x = 0;	478	int x = 0;
413	int y = 0;	479	int y = 0;
414	int w = 0;	480	int w = 0;
415	int h = 0;	481	int h = 0;
416		482
417	if (original_asim)
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = ecb_popcount32 (visual->red_mask);
626	width_g = ecb_popcount32 (visual->green_mask);
627	width_b = ecb_popcount32 (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = ecb_ctz32 (visual->red_mask);
633	sh_g = ecb_ctz32 (visual->green_mask);
634	sh_b = ecb_ctz32 (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);	483	get_image_geometry (image_width, image_height, w, h, x, y);
710		484
711	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width	486	&& (x >= target_width
713	|| y >= target_height	487	|| y >= target_height
714	|| (x + w <= 0)	488	|| x + w <= 0
715	|| (y + h <= 0)))	489	|| y + h <= 0))
716	return false;	490	return false;
717		491
718	result = pixbuf;	492	result = pixbuf;
719		493
720	if ((w != image_width)	494	if (w != image_width
721	|| (h != image_height))	495	|| h != image_height)
722	{	496	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	498	w, h,
725	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
726	}	500	}
…		…
735	Pixmap root_pmap;	509	Pixmap root_pmap;
736		510
737	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
739		513
740	if (tr_flags)	514	if (transparent)
741	{	515	{
742	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
743	bg_pixmap = None;	517	bg_pixmap = None;
744	}	518	}
745	else	519	else
746	{	520	{
747	if (h_scale == 0 || v_scale == 0)	521	if (bg_flags & BG_TILE)
748	{	522	{
749	new_pmap_width = min (image_width, target_width);	523	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);	524	new_pmap_height = min (image_height, target_height);
751	}	525	}
752	}	526	}
…		…
765	gcv.foreground = pix_colors[Color_bg];	539	gcv.foreground = pix_colors[Color_bg];
766	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	540	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
767		541
768	if (gc)	542	if (gc)
769	{	543	{
770	if (h_scale == 0 || v_scale == 0)	544	if (bg_flags & BG_TILE)
771	{	545	{
772	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	546	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
773	pixbuf_to_pixmap (result, tile, gc,	547	pixbuf_to_pixmap (result, tile, gc,
774	0, 0,	548	0, 0,
775	0, 0,	549	0, 0,
…		…
803	dst_x, dst_y,	577	dst_x, dst_y,
804	dst_width, dst_height);	578	dst_width, dst_height);
805	}	579	}
806		580
807	#if XRENDER	581	#if XRENDER
808	if (tr_flags)	582	if (transparent)
809	{	583	{
810	XRenderPictureAttributes pa;
811
812	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
813	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
814		587
815	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
816	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
817		589
818	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
819	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
820	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
821	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
822	XFreePixmap (dpy, mask_pmap);
823		591
824	XRenderColor mask_c;	592	XRenderColor mask_c;
825		593
826	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
827	mask_c.red = 0;	595	mask_c.red =
828	mask_c.green = 0;	596	mask_c.green =
829	mask_c.blue = 0;	597	mask_c.blue = 0;
830	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
831	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);
832		601
833	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
834	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
835	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
842	}	611	}
843		612
844	if (result != pixbuf)	613	if (result != pixbuf)
845	g_object_unref (result);	614	g_object_unref (result);
846		615
847	if (tr_flags)	616	if (transparent)
848	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
849		618
850	return ret;	619	return ret;
851	}	620	}
852	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
855	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
856	{	625	{
857	if (!file || !*file)	626	if (!file || !*file)
858	return false;	627	return false;
859		628
		629	bool ret = false;
860	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
861	{	633	{
862	size_t len = p - file;	634	size_t len = p - file;
863	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
864	memcpy (f, file, len);	636	memcpy (f, file, len);
865	f[len] = '\0';	637	f[len] = '\0';
866	file = f;	638	file = f;
867	}	639	}
868		640
869	# ifdef HAVE_AFTERIMAGE
870	if (!asimman)
871	asimman = create_generic_imageman (rs[Rs_path]);
872	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
873	if (image)
874	{
875	if (original_asim)
876	safe_asimage_destroy (original_asim);
877	original_asim = image;
878	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
879	return true;
880	}
881	# endif
882
883	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
884	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
885	if (image)	643	if (image)
886	{	644	{
887	if (pixbuf)	645	if (pixbuf)
888	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
889	pixbuf = image;	647	pixbuf = image;
890	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
891	return true;	649	ret = true;
892	}	650	}
893	# endif	651	# endif
894		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
895	return false;	661	return ret;
896	}	662	}
897		663
898	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
899		665
900	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
…		…
936	{	702	{
937	changed = true;	703	changed = true;
938	v_blurRadius = vr;	704	v_blurRadius = vr;
939	}	705	}
940		706
941	if (v_blurRadius == 0 && h_blurRadius == 0)	707	if (h_blurRadius && v_blurRadius)
		708	bg_flags |= BG_NEEDS_BLUR;
		709	else
942	bg_flags &= ~BG_NEEDS_BLUR;	710	bg_flags &= ~BG_NEEDS_BLUR;
943	else
944	bg_flags |= BG_NEEDS_BLUR;
945		711
946	return changed;	712	return changed;
947	}	713	}
948		714
949	void	715	void
950	rxvt_term::set_tint_shade_flags ()	716	rxvt_term::set_tint_shade_flags ()
951	{	717	{
952	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	718	if (shade != 100 || (bg_flags & BG_TINT_SET))
953	bool has_shade = shade != 100;	719	bg_flags |= BG_NEEDS_TINT;
		720	else
		721	bg_flags &= ~BG_NEEDS_TINT;
		722	}
954		723
		724	bool
		725	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		726	{
		727	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		728	{
		729	tint = new_tint;
955	bg_flags &= ~BG_TINT_FLAGS;	730	bg_flags |= BG_TINT_SET;
956		731
957	if (bg_flags & BG_TINT_SET)	732	rgba c;
958	{
959	tint.get (c);	733	tint.get (c);
960	if (!has_shade
961	&& (c.r <= 0x00ff || c.r >= 0xff00)	734	if ((c.r <= 0x00ff || c.r >= 0xff00)
962	&& (c.g <= 0x00ff || c.g >= 0xff00)	735	&& (c.g <= 0x00ff || c.g >= 0xff00)
963	&& (c.b <= 0x00ff || c.b >= 0xff00))	736	&& (c.b <= 0x00ff || c.b >= 0xff00))
964	bg_flags |= BG_TINT_BITAND;	737	bg_flags |= BG_TINT_BITAND;
965	}	738	else
966
967	if (has_shade || (bg_flags & BG_TINT_SET))
968	bg_flags |= BG_NEEDS_TINT;
969	}
970
971	bool
972	rxvt_term::bg_set_tint (rxvt_color &new_tint)
973	{
974	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
975	{
976	tint = new_tint;
977	bg_flags |= BG_TINT_SET;	739	bg_flags &= ~BG_TINT_BITAND;
		740
978	set_tint_shade_flags ();	741	set_tint_shade_flags ();
979	return true;	742	return true;
980	}	743	}
981		744
982	return false;	745	return false;
983	}	746	}
984		747
985	bool	748	bool
986	rxvt_term::bg_set_shade (const char *shade_str)	749	rxvt_term::bg_set_shade (const char *shade_str)
987	{	750	{
988	int new_shade = (shade_str) ? atoi (shade_str) : 100;	751	int new_shade = atoi (shade_str);
989		752
990	clamp_it (new_shade, -100, 200);	753	clamp_it (new_shade, -100, 200);
991	if (new_shade < 0)	754	if (new_shade < 0)
992	new_shade = 200 - (100 + new_shade);	755	new_shade = 200 - (100 + new_shade);
993		756
…		…
1023	params[i+2] = XDoubleToFixed (kernel[i] / sum);	786	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1024	}	787	}
1025	#endif	788	#endif
1026		789
1027	bool	790	bool
1028	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	791	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1029	{	792	{
1030	bool ret = false;	793	bool ret = false;
1031	#if XRENDER	794	#if XRENDER
		795	if (!(bg_flags & BG_HAS_RENDER_CONV))
		796	return false;
		797
1032	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	798	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1033	double *kernel = (double *)malloc (size * sizeof (double));	799	double *kernel = (double *)malloc (size * sizeof (double));
1034	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	800	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1035		801
1036	XRenderPictureAttributes pa;	802	XRenderPictureAttributes pa;
1037	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	803	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1038		804
		805	pa.repeat = RepeatPad;
1039	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	806	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		807	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1040	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	808	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		809	XFreePixmap (dpy, tmp);
1041		810
1042	if (kernel && params)	811	if (kernel && params)
1043	{	812	{
1044	if (h_blurRadius)
1045	{
1046	size = h_blurRadius * 2 + 1;	813	size = h_blurRadius * 2 + 1;
1047	get_gaussian_kernel (h_blurRadius, size, kernel, params);	814	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1048		815
1049	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	816	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1050	XRenderComposite (dpy,	817	XRenderComposite (dpy,
1051	PictOpSrc,	818	PictOpSrc,
1052	src,	819	src,
1053	None,	820	None,
1054	dst,	821	dst,
1055	0, 0,	822	0, 0,
1056	0, 0,	823	0, 0,
1057	0, 0,	824	0, 0,
1058	width, height);	825	width, height);
1059	}
1060		826
1061	if (v_blurRadius)	827	::swap (src, dst);
1062	{	828
1063	size = v_blurRadius * 2 + 1;	829	size = v_blurRadius * 2 + 1;
1064	get_gaussian_kernel (v_blurRadius, size, kernel, params);	830	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1065	::swap (params[0], params[1]);	831	::swap (params[0], params[1]);
1066		832
1067	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	833	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1068	XRenderComposite (dpy,	834	XRenderComposite (dpy,
1069	PictOpSrc,	835	PictOpSrc,
1070	src,	836	src,
1071	None,	837	None,
1072	dst,	838	dst,
1073	0, 0,	839	0, 0,
1074	0, 0,	840	0, 0,
1075	0, 0,	841	0, 0,
1076	width, height);	842	width, height);
1077	}
1078		843
1079	ret = true;	844	ret = true;
1080	}	845	}
1081		846
1082	free (kernel);	847	free (kernel);
…		…
1090	bool	855	bool
1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	856	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1092	{	857	{
1093	bool ret = false;	858	bool ret = false;
1094		859
1095	if (bg_flags & BG_TINT_BITAND)	860	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1096	{	861	{
1097	XGCValues gcv;	862	XGCValues gcv;
1098	GC gc;	863	GC gc;
1099		864
1100	/* In this case we can tint image server-side getting significant	865	/* In this case we can tint image server-side getting significant
…		…
1109	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	874	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1110	ret = true;	875	ret = true;
1111	XFreeGC (dpy, gc);	876	XFreeGC (dpy, gc);
1112	}	877	}
1113	}	878	}
1114	else
1115	{
1116	# if XRENDER	879	# if XRENDER
		880	else if (bg_flags & BG_HAS_RENDER)
		881	{
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	882	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118		883
1119	if (bg_flags & BG_TINT_SET)	884	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);	885	tint.get (c);
1121		886
…		…
1130	c.r = c.r * (200 - shade) / 100;	895	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	896	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	897	c.b = c.b * (200 - shade) / 100;
1133	}	898	}
1134		899
1135	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1136	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	900	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1137	XRenderPictureAttributes pa;
1138		901
1139	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	902	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1140		903
1141	pa.repeat = True;	904	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1142		905
1143	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	906	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1144	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1145	XFreePixmap (dpy, overlay_pmap);
1146
1147	pa.component_alpha = True;
1148	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1149	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1150	XFreePixmap (dpy, mask_pmap);
1151		907
1152	XRenderColor mask_c;	908	XRenderColor mask_c;
1153		909
1154	mask_c.alpha = 0xffff;	910	mask_c.alpha = 0xffff;
1155	mask_c.red =	911	mask_c.red =
…		…
1160	mask_c.alpha = 0;	916	mask_c.alpha = 0;
1161	mask_c.red = 0xffff - c.r;	917	mask_c.red = 0xffff - c.r;
1162	mask_c.green = 0xffff - c.g;	918	mask_c.green = 0xffff - c.g;
1163	mask_c.blue = 0xffff - c.b;	919	mask_c.blue = 0xffff - c.b;
1164	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	920	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		921
1165	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	922	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1166		923
1167	if (shade > 100)	924	if (shade > 100)
1168	{	925	{
1169	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1170	mask_c.alpha = 0;	926	mask_c.alpha = 0;
		927	mask_c.red =
		928	mask_c.green =
		929	mask_c.blue = 0xffff * (shade - 100) / 100;
1171	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	930	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1172		931
1173	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	932	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1174	}	933	}
1175		934
1176	ret = true;	935	ret = true;
1177		936
1178	XRenderFreePicture (dpy, mask_pic);	937	XRenderFreePicture (dpy, mask_pic);
1179	XRenderFreePicture (dpy, overlay_pic);	938	XRenderFreePicture (dpy, overlay_pic);
1180	XRenderFreePicture (dpy, back_pic);	939	XRenderFreePicture (dpy, back_pic);
		940	}
1181	# endif	941	# endif
1182	}
1183		942
1184	return ret;	943	return ret;
1185	}	944	}
1186		945
1187	/*	946	/*
1188	* Builds a pixmap of the same size as the terminal window that contains	947	* Builds a pixmap of the same size as the terminal window that contains
1189	* the tiled portion of the root pixmap that is supposed to be covered by	948	* the tiled portion of the root pixmap that is supposed to be covered by
1190	* our window.	949	* our window.
1191	*/	950	*/
1192	unsigned long	951	bool
1193	rxvt_term::make_transparency_pixmap ()	952	rxvt_term::make_transparency_pixmap ()
1194	{	953	{
1195	unsigned long result = 0;	954	bool ret = false;
1196		955
1197	/* root dimensions may change from call to call - but Display structure should	956	/* root dimensions may change from call to call - but Display structure should
1198	* be always up-to-date, so let's use it :	957	* be always up-to-date, so let's use it :
1199	*/	958	*/
1200	int screen = display->screen;	959	int screen = display->screen;
…		…
1238	#if XRENDER	997	#if XRENDER
1239	if (bg_flags & BG_HAS_RENDER)	998	if (bg_flags & BG_HAS_RENDER)
1240	{	999	{
1241	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1000	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1242		1001
1243	XRenderPictureAttributes pa;
1244
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1002	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1003	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		1004
1248	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1005	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1249	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1006	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1250		1007
1251	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1008	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1252		1009
1253	XRenderFreePicture (dpy, src);	1010	XRenderFreePicture (dpy, src);
1254	XRenderFreePicture (dpy, dst);	1011	XRenderFreePicture (dpy, dst);
…		…
1271	bg_pmap_width = window_width;	1028	bg_pmap_width = window_width;
1272	bg_pmap_height = window_height;	1029	bg_pmap_height = window_height;
1273	}	1030	}
1274		1031
1275	/* straightforward pixmap copy */	1032	/* straightforward pixmap copy */
1276	while (sx < 0) sx += root_width;	1033	while (sx < 0) sx += root_pmap_width;
1277	while (sy < 0) sy += root_height;	1034	while (sy < 0) sy += root_pmap_height;
1278		1035
1279	gcv.tile = recoded_root_pmap;	1036	gcv.tile = recoded_root_pmap;
1280	gcv.fill_style = FillTiled;	1037	gcv.fill_style = FillTiled;
1281	gcv.ts_x_origin = -sx;	1038	gcv.ts_x_origin = -sx;
1282	gcv.ts_y_origin = -sy;	1039	gcv.ts_y_origin = -sy;
1283	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1040	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1284		1041
1285	if (gc)	1042	if (gc)
1286	{	1043	{
1287	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1044	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1288	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1045	ret = true;
		1046	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1047
		1048	if (!(bg_flags & BG_CLIENT_RENDER))
		1049	{
		1050	if (bg_flags & BG_NEEDS_BLUR)
		1051	{
		1052	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1053	tr_flags &= ~BG_NEEDS_BLUR;
		1054	}
		1055	if (bg_flags & BG_NEEDS_TINT)
		1056	{
		1057	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1058	tr_flags &= ~BG_NEEDS_TINT;
		1059	}
		1060	if (tr_flags & BG_NEEDS_TINT)
		1061	{
		1062	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1063	if (ximage)
		1064	{
		1065	/* our own client-side tinting */
		1066	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1067
		1068	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1069	XDestroyImage (ximage);
		1070	}
		1071	}
		1072	} /* server side rendering completed */
		1073
1289	XFreeGC (dpy, gc);	1074	XFreeGC (dpy, gc);
1290
1291	if (!(bg_flags & BG_CLIENT_RENDER))
1292	{
1293	if ((bg_flags & BG_NEEDS_BLUR)
1294	&& (bg_flags & BG_HAS_RENDER_CONV))
1295	{
1296	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1297	result &= ~BG_NEEDS_BLUR;
1298	}
1299	if ((bg_flags & BG_NEEDS_TINT)
1300	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1301	{
1302	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1303	result &= ~BG_NEEDS_TINT;
1304	}
1305	} /* server side rendering completed */
1306	}	1075	}
1307		1076
1308	if (recoded_root_pmap != root_pixmap)	1077	if (recoded_root_pmap != root_pixmap)
1309	XFreePixmap (dpy, recoded_root_pmap);	1078	XFreePixmap (dpy, recoded_root_pmap);
1310		1079
1311	return result;	1080	return ret;
1312	}	1081	}
1313		1082
1314	void	1083	void
1315	rxvt_term::bg_set_root_pixmap ()	1084	rxvt_term::bg_set_root_pixmap ()
1316	{	1085	{
…		…
1320		1089
1321	root_pixmap = new_root_pixmap;	1090	root_pixmap = new_root_pixmap;
1322	}	1091	}
1323	# endif /* ENABLE_TRANSPARENCY */	1092	# endif /* ENABLE_TRANSPARENCY */
1324		1093
1325	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1326	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1327	# endif
1328
1329	bool	1094	bool
1330	rxvt_term::bg_render ()	1095	rxvt_term::bg_render ()
1331	{	1096	{
1332	unsigned long tr_flags = 0;	1097	bool transparent = false;
1333		1098
1334	bg_invalidate ();	1099	bg_invalidate ();
1335	# ifdef ENABLE_TRANSPARENCY	1100	# ifdef ENABLE_TRANSPARENCY
1336	if (bg_flags & BG_IS_TRANSPARENT)	1101	if (bg_flags & BG_IS_TRANSPARENT)
1337	{	1102	{
1338	/* we need to re-generate transparency pixmap in that case ! */	1103	/* we need to re-generate transparency pixmap in that case ! */
1339	tr_flags = make_transparency_pixmap ();	1104	transparent = make_transparency_pixmap ();
1340	if (tr_flags == 0)	1105	if (transparent)
1341	return false;
1342	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1343	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1344	}	1107	}
1345	# endif	1108	# endif
1346		1109
1347	# ifdef BG_IMAGE_FROM_FILE	1110	# ifdef BG_IMAGE_FROM_FILE
1348	if ((bg_flags & BG_IS_FROM_FILE)	1111	if (bg_flags & BG_IS_FROM_FILE)
1349	|| (tr_flags & BG_EFFECTS_FLAGS))
1350	{	1112	{
1351	if (render_image (tr_flags))	1113	if (render_image (transparent))
1352	bg_flags |= BG_IS_VALID;	1114	bg_flags |= BG_IS_VALID;
1353	}
1354	# endif
1355
1356	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1357	XImage *result = NULL;
1358
1359	if (tr_flags && !(bg_flags & BG_IS_VALID))
1360	{
1361	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1362	}
1363
1364	if (result)
1365	{
1366	/* our own client-side tinting */
1367	if (tr_flags & BG_NEEDS_TINT)
1368	{
1369	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1370	if (bg_flags & BG_TINT_SET)
1371	tint.get (c);
1372	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1373	}
1374
1375	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1376
1377	if (gc)
1378	{
1379	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1380
1381	XFreeGC (dpy, gc);
1382	bg_flags |= BG_IS_VALID;
1383	}
1384
1385	XDestroyImage (result);
1386	}	1115	}
1387	# endif	1116	# endif
1388		1117
1389	if (!(bg_flags & BG_IS_VALID))	1118	if (!(bg_flags & BG_IS_VALID))
1390	{	1119	{
…		…
1427	#endif	1156	#endif
1428	}	1157	}
1429		1158
1430	#endif /* HAVE_BG_PIXMAP */	1159	#endif /* HAVE_BG_PIXMAP */
1431		1160
1432	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1161	#ifdef ENABLE_TRANSPARENCY
1433	/* taken from aterm-0.4.2 */	1162	/* based on code from aterm-0.4.2 */
1434		1163
1435	static void	1164	static inline void
1436	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1165	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1437	{	1166	{
		1167	for (int i = 0; i <= mask >> sh; i++)
		1168	{
		1169	uint32_t tmp;
		1170	tmp = i * high;
		1171	tmp += (mask >> sh) * low;
		1172	lookup[i] = (tmp / 0xffff) << sh;
		1173	}
		1174	}
		1175
		1176	void
		1177	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1178	{
		1179	unsigned int size_r, size_g, size_b;
1438	int sh_r, sh_g, sh_b;	1180	int sh_r, sh_g, sh_b;
1439	uint32_t mask_r, mask_g, mask_b;	1181	uint32_t mask_r, mask_g, mask_b;
1440	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1182	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1441	rgba low;	1183	unsigned short low;
1442	rgba high;
1443	int i;
1444	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1184	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1445		1185
1446	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1186	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1447		1187
1448	/* for convenience */	1188	/* for convenience */
1449	mask_r = visual->red_mask;	1189	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1190	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1191	mask_b = visual->blue_mask;
1452		1192
1453	/* boring lookup table pre-initialization */	1193	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1194	sh_r = ecb_ctz32 (mask_r);
1455	{	1195	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1196	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1197
1458	(mask_g != 0x03e0) ||	1198	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1199	size_g = mask_g >> sh_g;
		1200	size_b = mask_b >> sh_b;
		1201
		1202	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1203	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1204
		1205	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1206	lookup_r = lookup;
1463	lookup_g = lookup+32;	1207	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1208	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;	1209
1466	sh_g = 5;	1210	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1467	sh_b = 0;	1211
1468	break;	1212	if (bg_flags & BG_TINT_SET)
1469	case 16:	1213	tint.get (c);
1470	if ((mask_r != 0xf800) ||
1471	(mask_g != 0x07e0) ||
1472	(mask_b != 0x001f))
1473	return;
1474	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1475	lookup_r = lookup;
1476	lookup_g = lookup+32;
1477	lookup_b = lookup+32+64;
1478	sh_r = 11;
1479	sh_g = 5;
1480	sh_b = 0;
1481	break;
1482	case 24:
1483	if ((mask_r != 0xff0000) ||
1484	(mask_g != 0x00ff00) ||
1485	(mask_b != 0x0000ff))
1486	return;
1487	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1488	lookup_r = lookup;
1489	lookup_g = lookup+256;
1490	lookup_b = lookup+256+256;
1491	sh_r = 16;
1492	sh_g = 8;
1493	sh_b = 0;
1494	break;
1495	case 32:
1496	if ((mask_r != 0xff0000) ||
1497	(mask_g != 0x00ff00) ||
1498	(mask_b != 0x0000ff))
1499	return;
1500	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1501	lookup_r = lookup;
1502	lookup_g = lookup+256;
1503	lookup_b = lookup+256+256;
1504	sh_r = 16;
1505	sh_g = 8;
1506	sh_b = 0;
1507	break;
1508	default:
1509	return; /* we do not support this color depth */
1510	}
1511		1214
1512	/* prepare limits for color transformation (each channel is handled separately) */	1215	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1216	if (shade > 100)
1514	{	1217	{
1515	shade = 200 - shade;
1516
1517	high.r = c.r * shade / 100;
1518	high.g = c.g * shade / 100;
1519	high.b = c.b * shade / 100;
1520
1521	low.r = 65535 * (100 - shade) / 100;	1218	c.r = c.r * (200 - shade) / 100;
1522	low.g = 65535 * (100 - shade) / 100;	1219	c.g = c.g * (200 - shade) / 100;
1523	low.b = 65535 * (100 - shade) / 100;	1220	c.b = c.b * (200 - shade) / 100;
		1221
		1222	low = 0xffff * (shade - 100) / 100;
1524	}	1223	}
1525	else	1224	else
1526	{	1225	{
1527	high.r = c.r * shade / 100;	1226	c.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;	1227	c.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;	1228	c.b = c.b * shade / 100;
1530		1229
1531	low.r = low.g = low.b = 0;	1230	low = 0;
1532	}	1231	}
1533		1232
1534	/* fill our lookup tables */	1233	/* fill our lookup tables */
1535	for (i = 0; i <= mask_r>>sh_r; i++)	1234	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1536	{	1235	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	uint32_t tmp;	1236	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1538	tmp = i * high.r;
1539	tmp += (mask_r>>sh_r) * low.r;
1540	lookup_r[i] = (tmp/65535)<<sh_r;
1541	}
1542	for (i = 0; i <= mask_g>>sh_g; i++)
1543	{
1544	uint32_t tmp;
1545	tmp = i * high.g;
1546	tmp += (mask_g>>sh_g) * low.g;
1547	lookup_g[i] = (tmp/65535)<<sh_g;
1548	}
1549	for (i = 0; i <= mask_b>>sh_b; i++)
1550	{
1551	uint32_t tmp;
1552	tmp = i * high.b;
1553	tmp += (mask_b>>sh_b) * low.b;
1554	lookup_b[i] = (tmp/65535)<<sh_b;
1555	}
1556		1237
1557	/* apply table to input image (replacing colors by newly calculated ones) */	1238	/* apply table to input image (replacing colors by newly calculated ones) */
1558	if (ximage->bits_per_pixel == 32	1239	if (ximage->bits_per_pixel == 32
1559	&& (ximage->depth == 24 || ximage->depth == 32)
1560	&& ximage->byte_order == host_byte_order)	1240	&& ximage->byte_order == host_byte_order)
1561	{	1241	{
1562	uint32_t *p1, *pf, *p, *pl;	1242	char *line = ximage->data;
1563	p1 = (uint32_t *) ximage->data;
1564	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1565		1243
1566	while (p1 < pf)	1244	for (int y = 0; y < ximage->height; y++)
1567	{
1568	p = p1;
1569	pl = p1 + ximage->width;
1570	for (; p < pl; p++)
1571	{	1245	{
1572	*p = lookup_r[(*p & 0xff0000) >> 16] |	1246	uint32_t *p = (uint32_t *)line;
1573	lookup_g[(*p & 0x00ff00) >> 8] |	1247	for (int x = 0; x < ximage->width; x++)
1574	lookup_b[(*p & 0x0000ff)] |
1575	(*p & 0xff000000);
1576	}	1248	{
1577	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1249	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1250	lookup_g[(*p & mask_g) >> sh_g] |
		1251	lookup_b[(*p & mask_b) >> sh_b];
		1252	p++;
		1253	}
		1254	line += ximage->bytes_per_line;
1578	}	1255	}
1579	}	1256	}
1580	else	1257	else
1581	{	1258	{
1582	for (int y = 0; y < ximage->height; y++)	1259	for (int y = 0; y < ximage->height; y++)
…		…
1590	}	1267	}
1591	}	1268	}
1592		1269
1593	free (lookup);	1270	free (lookup);
1594	}	1271	}
1595	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1272	#endif /* ENABLE_TRANSPARENCY */

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