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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.148 by root, Tue Apr 26 09:48:09 2011 UTC vs.
Revision 1.213 by sf-exg, Sun May 13 21:12:01 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 = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (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 = byteorder::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	}
727		501
		502	if (!result)
		503	return false;
		504
728	bool ret = false;	505	bool ret = false;
729		506
730	if (result)
731	{
732	XGCValues gcv;	507	XGCValues gcv;
733	GC gc;	508	GC gc;
734	Pixmap root_pmap;	509	Pixmap root_pmap;
735		510
736	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
737	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
738		513
739	if (tr_flags)	514	if (transparent)
740	{	515	{
741	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
742	bg_pixmap = None;	517	bg_pixmap = None;
		518	}
		519	else
		520	{
		521	if (bg_flags & BG_TILE)
		522	{
		523	new_pmap_width = min (image_width, target_width);
		524	new_pmap_height = min (image_height, target_height);
743	}	525	}
744	else	526	}
745	{
746	if (h_scale == 0 || v_scale == 0)
747	{
748	new_pmap_width = min (image_width, target_width);
749	new_pmap_height = min (image_height, target_height);
750	}
751	}
752		527
753	if (bg_pixmap == None	528	if (bg_pixmap == None
754	|| bg_pmap_width != new_pmap_width	529	|| bg_pmap_width != new_pmap_width
755	|| bg_pmap_height != new_pmap_height)	530	|| bg_pmap_height != new_pmap_height)
756	{	531	{
757	if (bg_pixmap)	532	if (bg_pixmap)
758	XFreePixmap (dpy, bg_pixmap);	533	XFreePixmap (dpy, bg_pixmap);
759	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	534	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
760	bg_pmap_width = new_pmap_width;	535	bg_pmap_width = new_pmap_width;
761	bg_pmap_height = new_pmap_height;	536	bg_pmap_height = new_pmap_height;
762	}	537	}
763		538
764	gcv.foreground = pix_colors[Color_bg];	539	gcv.foreground = pix_colors[Color_bg];
765	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	540	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
766		541
767	if (h_scale == 0 || v_scale == 0)	542	if (gc)
		543	{
		544	if (bg_flags & BG_TILE)
768	{	545	{
769	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	546	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
770	pixbuf_to_pixmap (result, tile, gc,	547	pixbuf_to_pixmap (result, tile, gc,
771	0, 0,	548	0, 0,
772	0, 0,	549	0, 0,
…		…
800	dst_x, dst_y,	577	dst_x, dst_y,
801	dst_width, dst_height);	578	dst_width, dst_height);
802	}	579	}
803		580
804	#if XRENDER	581	#if XRENDER
805	if (tr_flags)	582	if (transparent)
806	{	583	{
807	XRenderPictureAttributes pa;
808
809	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
810	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
811		587
812	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
813	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
814		589
815	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
816	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
817	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
818	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
819	XFreePixmap (dpy, mask_pmap);
820		591
821	if (src && dst && mask)
822	{
823	XRenderColor mask_c;	592	XRenderColor mask_c;
824		593
825	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
826	mask_c.red = 0;	595	mask_c.red =
827	mask_c.green = 0;	596	mask_c.green =
828	mask_c.blue = 0;	597	mask_c.blue = 0;
829	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
830	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);
831	}
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);
836
837	XFreePixmap (dpy, root_pmap);
838	}	605	}
839	#endif	606	#endif
840		607
841	if (result != pixbuf)
842	g_object_unref (result);
843
844	XFreeGC (dpy, gc);	608	XFreeGC (dpy, gc);
845		609
846	ret = true;	610	ret = true;
847	}	611	}
		612
		613	if (result != pixbuf)
		614	g_object_unref (result);
		615
		616	if (transparent)
		617	XFreePixmap (dpy, root_pmap);
848		618
849	return ret;	619	return ret;
850	}	620	}
851	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
852		622
…		…
854	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
855	{	625	{
856	if (!file || !*file)	626	if (!file || !*file)
857	return false;	627	return false;
858		628
		629	bool ret = false;
859	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
860	{	633	{
861	size_t len = p - file;	634	size_t len = p - file;
862	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
863	memcpy (f, file, len);	636	memcpy (f, file, len);
864	f[len] = '\0';	637	f[len] = '\0';
865	file = f;	638	file = f;
866	}	639	}
867		640
868	# ifdef HAVE_AFTERIMAGE
869	if (!asimman)
870	asimman = create_generic_imageman (rs[Rs_path]);
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
872	if (image)
873	{
874	if (original_asim)
875	safe_asimage_destroy (original_asim);
876	original_asim = image;
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
878	return true;
879	}
880	# endif
881
882	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	643	if (image)
885	{	644	{
886	if (pixbuf)	645	if (pixbuf)
887	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
888	pixbuf = image;	647	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
890	return true;	649	ret = true;
891	}	650	}
892	# endif	651	# endif
893		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
894	return false;	661	return ret;
895	}	662	}
896		663
897	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
898		665
899	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
900	bool
901	rxvt_term::bg_set_transparent ()
902	{
903	if (!(bg_flags & BG_IS_TRANSPARENT))
904	{
905	bg_flags |= BG_IS_TRANSPARENT;
906	return true;
907	}
908
909	return false;
910	}
911
912	bool	667	bool
913	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
914	{	669	{
915	bool changed = false;	670	bool changed = false;
916	unsigned int hr, vr;	671	unsigned int hr, vr;
…		…
935	{	690	{
936	changed = true;	691	changed = true;
937	v_blurRadius = vr;	692	v_blurRadius = vr;
938	}	693	}
939		694
940	if (v_blurRadius == 0 && h_blurRadius == 0)
941	bg_flags &= ~BG_NEEDS_BLUR;
942	else
943	bg_flags |= BG_NEEDS_BLUR;
944
945	return changed;	695	return changed;
946	}	696	}
947		697
948	void	698	bool
949	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
950	{	700	{
951	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	701	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
952	bool has_shade = shade != 100;	702	{
953		703	tint = new_tint;
954	bg_flags &= ~BG_TINT_FLAGS;	704	bg_flags |= BG_TINT_SET;
955		705
956	if (bg_flags & BG_TINT_SET)	706	rgba c;
957	{
958	tint.get (c);	707	tint.get (c);
959	if (!has_shade
960	&& (c.r <= 0x00ff || c.r >= 0xff00)	708	if ((c.r <= 0x00ff || c.r >= 0xff00)
961	&& (c.g <= 0x00ff || c.g >= 0xff00)	709	&& (c.g <= 0x00ff || c.g >= 0xff00)
962	&& (c.b <= 0x00ff || c.b >= 0xff00))	710	&& (c.b <= 0x00ff || c.b >= 0xff00))
963	bg_flags |= BG_TINT_BITAND;	711	bg_flags |= BG_TINT_BITAND;
964	}	712	else
965
966	if (has_shade || (bg_flags & BG_TINT_SET))
967	bg_flags |= BG_NEEDS_TINT;
968	}
969
970	bool
971	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{
973	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
974	{
975	tint = new_tint;
976	bg_flags |= BG_TINT_SET;	713	bg_flags &= ~BG_TINT_BITAND;
977	set_tint_shade_flags ();	714
978	return true;	715	return true;
979	}	716	}
980		717
981	return false;	718	return false;
982	}	719	}
983		720
984	bool	721	bool
985	rxvt_term::bg_set_shade (const char *shade_str)	722	rxvt_term::bg_set_shade (const char *shade_str)
986	{	723	{
987	int new_shade = (shade_str) ? atoi (shade_str) : 100;	724	int new_shade = atoi (shade_str);
988		725
989	clamp_it (new_shade, -100, 200);	726	clamp_it (new_shade, -100, 200);
990	if (new_shade < 0)	727	if (new_shade < 0)
991	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
992		729
993	if (new_shade != shade)	730	if (new_shade != shade)
994	{	731	{
995	shade = new_shade;	732	shade = new_shade;
996	set_tint_shade_flags ();
997	return true;	733	return true;
998	}	734	}
999		735
1000	return false;	736	return false;
1001	}	737	}
…		…
1022	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1023	}	759	}
1024	#endif	760	#endif
1025		761
1026	bool	762	bool
1027	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	763	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1028	{	764	{
1029	bool ret = false;	765	bool ret = false;
1030	#if XRENDER	766	#if XRENDER
		767	if (!(bg_flags & BG_HAS_RENDER_CONV))
		768	return false;
		769
1031	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	770	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1032	double *kernel = (double *)malloc (size * sizeof (double));	771	double *kernel = (double *)malloc (size * sizeof (double));
1033	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	772	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1034		773
1035	XRenderPictureAttributes pa;	774	XRenderPictureAttributes pa;
1036	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1037		776
		777	pa.repeat = RepeatPad;
1038	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1039	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1040		782
1041	if (kernel && params && src && dst)	783	if (kernel && params)
1042	{	784	{
1043	if (h_blurRadius)
1044	{
1045	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1046	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1047		787
1048	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1049	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1050	PictOpSrc,	790	PictOpSrc,
1051	src,	791	src,
1052	None,	792	None,
1053	dst,	793	dst,
1054	0, 0,	794	0, 0,
1055	0, 0,	795	0, 0,
1056	0, 0,	796	0, 0,
1057	width, height);	797	width, height);
1058	}
1059		798
1060	if (v_blurRadius)	799	::swap (src, dst);
1061	{	800
1062	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1063	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1064	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1065		804
1066	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1067	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1068	PictOpSrc,	807	PictOpSrc,
1069	src,	808	src,
1070	None,	809	None,
1071	dst,	810	dst,
1072	0, 0,	811	0, 0,
1073	0, 0,	812	0, 0,
1074	0, 0,	813	0, 0,
1075	width, height);	814	width, height);
1076	}
1077		815
1078	ret = true;	816	ret = true;
1079	}	817	}
1080		818
1081	free (kernel);	819	free (kernel);
…		…
1085	#endif	823	#endif
1086	return ret;	824	return ret;
1087	}	825	}
1088		826
1089	bool	827	bool
1090	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1091	{	829	{
1092	bool ret = false;	830	bool ret = false;
1093		831
1094	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1095	{	833	{
1096	XGCValues gcv;	834	XGCValues gcv;
1097	GC gc;	835	GC gc;
1098		836
1099	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1108	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	846	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1109	ret = true;	847	ret = true;
1110	XFreeGC (dpy, gc);	848	XFreeGC (dpy, gc);
1111	}	849	}
1112	}	850	}
1113	else
1114	{
1115	# if XRENDER	851	# if XRENDER
		852	else if (bg_flags & BG_HAS_RENDER)
		853	{
1116	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	854	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1117		855
1118	if (bg_flags & BG_TINT_SET)	856	if (bg_flags & BG_TINT_SET)
1119	tint.get (c);	857	tint.get (c);
1120		858
…		…
1129	c.r = c.r * (200 - shade) / 100;	867	c.r = c.r * (200 - shade) / 100;
1130	c.g = c.g * (200 - shade) / 100;	868	c.g = c.g * (200 - shade) / 100;
1131	c.b = c.b * (200 - shade) / 100;	869	c.b = c.b * (200 - shade) / 100;
1132	}	870	}
1133		871
1134	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	872	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1136	XRenderPictureAttributes pa;
1137		873
1138	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	874	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1139		875
1140	pa.repeat = True;	876	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1141		877
1142	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	878	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1143	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1144	XFreePixmap (dpy, overlay_pmap);
1145		879
1146	pa.component_alpha = True;
1147	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1148	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1149	XFreePixmap (dpy, mask_pmap);
1150
1151	if (mask_pic && overlay_pic && back_pic)
1152	{
1153	XRenderColor mask_c;	880	XRenderColor mask_c;
1154		881
1155	mask_c.alpha = 0xffff;	882	mask_c.alpha = 0xffff;
		883	mask_c.red =
		884	mask_c.green =
		885	mask_c.blue = 0;
		886	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		887
		888	mask_c.alpha = 0;
		889	mask_c.red = 0xffff - c.r;
		890	mask_c.green = 0xffff - c.g;
		891	mask_c.blue = 0xffff - c.b;
		892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
		894	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		895
		896	if (shade > 100)
		897	{
		898	mask_c.alpha = 0;
1156	mask_c.red =	899	mask_c.red =
1157	mask_c.green =	900	mask_c.green =
1158	mask_c.blue = 0;	901	mask_c.blue = 0xffff * (shade - 100) / 100;
1159	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1160		903
1161	mask_c.alpha = 0;
1162	mask_c.red = 0xffff - c.r;
1163	mask_c.green = 0xffff - c.g;
1164	mask_c.blue = 0xffff - c.b;
1165	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1166	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1167
1168	if (shade > 100)
1169	{
1170	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1171	mask_c.alpha = 0;
1172	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1173
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	904	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175	}
1176
1177	ret = true;
1178	}	905	}
		906
		907	ret = true;
1179		908
1180	XRenderFreePicture (dpy, mask_pic);	909	XRenderFreePicture (dpy, mask_pic);
1181	XRenderFreePicture (dpy, overlay_pic);	910	XRenderFreePicture (dpy, overlay_pic);
1182	XRenderFreePicture (dpy, back_pic);	911	XRenderFreePicture (dpy, back_pic);
		912	}
1183	# endif	913	# endif
1184	}
1185		914
1186	return ret;	915	return ret;
1187	}	916	}
1188		917
1189	/* make_transparency_pixmap()	918	/*
1190	* Builds a pixmap of the same size as the terminal window that contains	919	* Builds a pixmap of the same size as the terminal window that contains
1191	* the tiled portion of the root pixmap that is supposed to be covered by	920	* the tiled portion of the root pixmap that is supposed to be covered by
1192	* our window.	921	* our window.
1193	*/	922	*/
1194	unsigned long	923	bool
1195	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1196	{	925	{
1197	unsigned long result = 0;	926	bool ret = false;
1198		927
1199	/* root dimensions may change from call to call - but Display structure should	928	/* root dimensions may change from call to call - but Display structure should
1200	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1201	*/	930	*/
1202	int screen = display->screen;	931	int screen = display->screen;
…		…
1238	if (root_pixmap != None && root_depth != depth)	967	if (root_pixmap != None && root_depth != depth)
1239	{	968	{
1240	#if XRENDER	969	#if XRENDER
1241	if (bg_flags & BG_HAS_RENDER)	970	if (bg_flags & BG_HAS_RENDER)
1242	{	971	{
1243	XRenderPictureAttributes pa;	972	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1244		973
1245	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	974	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1246	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	975	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1247		976
1248	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1249	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	977	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1250	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	978	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1251		979
1252	if (src && dst)
1253	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	980	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1254	else
1255	{
1256	XFreePixmap (dpy, recoded_root_pmap);
1257	root_pixmap = None;
1258	}
1259		981
1260	XRenderFreePicture (dpy, src);	982	XRenderFreePicture (dpy, src);
1261	XRenderFreePicture (dpy, dst);	983	XRenderFreePicture (dpy, dst);
1262	}	984	}
1263	else	985	else
1264	#endif	986	#endif
1265	root_pixmap = None;	987	recoded_root_pmap = None;
1266	}	988	}
1267		989
1268	if (root_pixmap == None)	990	if (recoded_root_pmap == None)
1269	return 0;	991	return 0;
1270		992
1271	if (bg_pixmap == None	993	if (bg_pixmap == None
1272	|| bg_pmap_width != window_width	994	|| bg_pmap_width != window_width
1273	|| bg_pmap_height != window_height)	995	|| bg_pmap_height != window_height)
…		…
1277	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	999	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1278	bg_pmap_width = window_width;	1000	bg_pmap_width = window_width;
1279	bg_pmap_height = window_height;	1001	bg_pmap_height = window_height;
1280	}	1002	}
1281		1003
1282	if (bg_pixmap == None)
1283	return 0;
1284
1285	/* straightforward pixmap copy */	1004	/* straightforward pixmap copy */
1286	while (sx < 0) sx += (int)root_width;	1005	while (sx < 0) sx += root_pmap_width;
1287	while (sy < 0) sy += (int)root_height;	1006	while (sy < 0) sy += root_pmap_height;
1288		1007
1289	gcv.tile = recoded_root_pmap;	1008	gcv.tile = recoded_root_pmap;
1290	gcv.fill_style = FillTiled;	1009	gcv.fill_style = FillTiled;
1291	gcv.ts_x_origin = -sx;	1010	gcv.ts_x_origin = -sx;
1292	gcv.ts_y_origin = -sy;	1011	gcv.ts_y_origin = -sy;
1293	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1294		1013
1295	if (gc)	1014	if (gc)
1296	{	1015	{
1297	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1298	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1017	ret = true;
		1018	bool need_blur = h_blurRadius && v_blurRadius;
		1019	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1020
		1021	if (!(bg_flags & BG_CLIENT_RENDER))
		1022	{
		1023	if (need_blur)
		1024	{
		1025	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1026	need_blur = false;
		1027	}
		1028	if (need_tint)
		1029	{
		1030	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1031	need_tint = false;
		1032	}
		1033	if (need_tint)
		1034	{
		1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1036	if (ximage)
		1037	{
		1038	/* our own client-side tinting */
		1039	tint_ximage (ximage);
		1040
		1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1042	XDestroyImage (ximage);
		1043	}
		1044	}
		1045	} /* server side rendering completed */
		1046
1299	XFreeGC (dpy, gc);	1047	XFreeGC (dpy, gc);
1300
1301	if (!(bg_flags & BG_CLIENT_RENDER))
1302	{
1303	if ((bg_flags & BG_NEEDS_BLUR)
1304	&& (bg_flags & BG_HAS_RENDER_CONV))
1305	{
1306	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_BLUR;
1308	}
1309	if ((bg_flags & BG_NEEDS_TINT)
1310	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1311	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;
1314	}
1315	} /* server side rendering completed */
1316	}	1048	}
1317		1049
1318	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1319	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1320		1052
1321	return result;	1053	return ret;
1322	}	1054	}
1323		1055
1324	void	1056	void
1325	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1326	{	1058	{
…		…
1330		1062
1331	root_pixmap = new_root_pixmap;	1063	root_pixmap = new_root_pixmap;
1332	}	1064	}
1333	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1334		1066
1335	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1336	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1337	# endif
1338
1339	bool	1067	bool
1340	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1341	{	1069	{
1342	unsigned long tr_flags = 0;	1070	bool transparent = false;
1343		1071
1344	bg_invalidate ();	1072	bg_invalidate ();
1345	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1346	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1347	{	1075	{
1348	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1349	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1350	if (tr_flags == 0)	1078	if (transparent)
1351	return false;
1352	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1353	bg_flags |= BG_IS_VALID;	1079	bg_flags |= BG_IS_VALID;
1354	}	1080	}
1355	# endif	1081	# endif
1356		1082
1357	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1358	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1359	|| (tr_flags & BG_EFFECTS_FLAGS))
1360	{	1085	{
1361	if (render_image (tr_flags))	1086	if (render_image (transparent))
1362	bg_flags |= BG_IS_VALID;	1087	bg_flags |= BG_IS_VALID;
1363	}
1364	# endif
1365
1366	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1367	XImage *result = NULL;
1368
1369	if (tr_flags && !(bg_flags & BG_IS_VALID))
1370	{
1371	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1372	}
1373
1374	if (result)
1375	{
1376	/* our own client-side tinting */
1377	if (tr_flags & BG_NEEDS_TINT)
1378	{
1379	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1380	if (bg_flags & BG_TINT_SET)
1381	tint.get (c);
1382	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1383	}
1384
1385	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1386
1387	if (gc)
1388	{
1389	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1390
1391	XFreeGC (dpy, gc);
1392	bg_flags |= BG_IS_VALID;
1393	}
1394
1395	XDestroyImage (result);
1396	}	1088	}
1397	# endif	1089	# endif
1398		1090
1399	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
1400	{	1092	{
…		…
1437	#endif	1129	#endif
1438	}	1130	}
1439		1131
1440	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1441		1133
1442	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1443	/* taken from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1444		1136
1445	static void	1137	static inline void
1446	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1447	{	1139	{
		1140	for (int i = 0; i <= mask >> sh; i++)
		1141	{
		1142	uint32_t tmp;
		1143	tmp = i * high;
		1144	tmp += (mask >> sh) * low;
		1145	lookup[i] = (tmp / 0xffff) << sh;
		1146	}
		1147	}
		1148
		1149	void
		1150	rxvt_term::tint_ximage (XImage *ximage)
		1151	{
		1152	unsigned int size_r, size_g, size_b;
1448	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1449	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1450	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1155	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1451	rgba low;	1156	unsigned short low;
1452	rgba high;
1453	int i;
1454	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1455		1158
1456	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1159	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1457		1160
1458	/* for convenience */	1161	/* for convenience */
1459	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1460	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1461	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1462		1165
1463	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1464	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1465	{	1168	sh_g = ecb_ctz32 (mask_g);
1466	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1467	if ((mask_r != 0x7c00) ||	1170
1468	(mask_g != 0x03e0) ||	1171	size_r = mask_r >> sh_r;
1469	(mask_b != 0x001f))	1172	size_g = mask_g >> sh_g;
		1173	size_b = mask_b >> sh_b;
		1174
		1175	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1470	return;	1176	return;
1471	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1177
		1178	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1472	lookup_r = lookup;	1179	lookup_r = lookup;
1473	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1474	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1475	sh_r = 10;	1182
1476	sh_g = 5;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1477	sh_b = 0;	1184
1478	break;	1185	if (bg_flags & BG_TINT_SET)
1479	case 16:	1186	tint.get (c);
1480	if ((mask_r != 0xf800) ||
1481	(mask_g != 0x07e0) ||
1482	(mask_b != 0x001f))
1483	return;
1484	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1485	lookup_r = lookup;
1486	lookup_g = lookup+32;
1487	lookup_b = lookup+32+64;
1488	sh_r = 11;
1489	sh_g = 5;
1490	sh_b = 0;
1491	break;
1492	case 24:
1493	if ((mask_r != 0xff0000) ||
1494	(mask_g != 0x00ff00) ||
1495	(mask_b != 0x0000ff))
1496	return;
1497	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1498	lookup_r = lookup;
1499	lookup_g = lookup+256;
1500	lookup_b = lookup+256+256;
1501	sh_r = 16;
1502	sh_g = 8;
1503	sh_b = 0;
1504	break;
1505	case 32:
1506	if ((mask_r != 0xff0000) ||
1507	(mask_g != 0x00ff00) ||
1508	(mask_b != 0x0000ff))
1509	return;
1510	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1511	lookup_r = lookup;
1512	lookup_g = lookup+256;
1513	lookup_b = lookup+256+256;
1514	sh_r = 16;
1515	sh_g = 8;
1516	sh_b = 0;
1517	break;
1518	default:
1519	return; /* we do not support this color depth */
1520	}
1521		1187
1522	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1523	if (shade > 100)	1189	if (shade > 100)
1524	{	1190	{
1525	shade = 200 - shade;
1526
1527	high.r = c.r * shade / 100;
1528	high.g = c.g * shade / 100;
1529	high.b = c.b * shade / 100;
1530
1531	low.r = 65535 * (100 - shade) / 100;	1191	c.r = c.r * (200 - shade) / 100;
1532	low.g = 65535 * (100 - shade) / 100;	1192	c.g = c.g * (200 - shade) / 100;
1533	low.b = 65535 * (100 - shade) / 100;	1193	c.b = c.b * (200 - shade) / 100;
		1194
		1195	low = 0xffff * (shade - 100) / 100;
1534	}	1196	}
1535	else	1197	else
1536	{	1198	{
1537	high.r = c.r * shade / 100;	1199	c.r = c.r * shade / 100;
1538	high.g = c.g * shade / 100;	1200	c.g = c.g * shade / 100;
1539	high.b = c.b * shade / 100;	1201	c.b = c.b * shade / 100;
1540		1202
1541	low.r = low.g = low.b = 0;	1203	low = 0;
1542	}	1204	}
1543		1205
1544	/* fill our lookup tables */	1206	/* fill our lookup tables */
1545	for (i = 0; i <= mask_r>>sh_r; i++)	1207	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1546	{	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1547	uint32_t tmp;	1209	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1548	tmp = i * high.r;
1549	tmp += (mask_r>>sh_r) * low.r;
1550	lookup_r[i] = (tmp/65535)<<sh_r;
1551	}
1552	for (i = 0; i <= mask_g>>sh_g; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.g;
1556	tmp += (mask_g>>sh_g) * low.g;
1557	lookup_g[i] = (tmp/65535)<<sh_g;
1558	}
1559	for (i = 0; i <= mask_b>>sh_b; i++)
1560	{
1561	uint32_t tmp;
1562	tmp = i * high.b;
1563	tmp += (mask_b>>sh_b) * low.b;
1564	lookup_b[i] = (tmp/65535)<<sh_b;
1565	}
1566		1210
1567	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1568	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1569	&& (ximage->depth == 24 || ximage->depth == 32)
1570	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1571	{	1214	{
1572	uint32_t *p1, *pf, *p, *pl;	1215	char *line = ximage->data;
1573	p1 = (uint32_t *) ximage->data;
1574	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1575		1216
1576	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1577	{
1578	p = p1;
1579	pl = p1 + ximage->width;
1580	for (; p < pl; p++)
1581	{	1218	{
1582	*p = lookup_r[(*p & 0xff0000) >> 16] |	1219	uint32_t *p = (uint32_t *)line;
1583	lookup_g[(*p & 0x00ff00) >> 8] |	1220	for (int x = 0; x < ximage->width; x++)
1584	lookup_b[(*p & 0x0000ff)] |
1585	(*p & 0xff000000);
1586	}	1221	{
1587	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1222	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1223	lookup_g[(*p & mask_g) >> sh_g] |
		1224	lookup_b[(*p & mask_b) >> sh_b];
		1225	p++;
		1226	}
		1227	line += ximage->bytes_per_line;
1588	}	1228	}
1589	}	1229	}
1590	else	1230	else
1591	{	1231	{
1592	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1600	}	1240	}
1601	}	1241	}
1602		1242
1603	free (lookup);	1243	free (lookup);
1604	}	1244	}
1605	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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