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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.188 by sf-exg, Thu Dec 29 12:25:50 2011 UTC vs.
Revision 1.224 by sf-exg, Wed May 30 19:30:57 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>
31	#endif	31	#endif
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
		35	#endif
		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
35	#endif	39	#endif
36		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
38	# if XRENDER	42	# if XRENDER
39	static Picture	43	static Picture
…		…
54	# endif	58	# endif
55		59
56	void	60	void
57	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
58	{	62	{
59	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
60	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
61	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
62	if (asv)
63	destroy_asvisual (asv, 0);
64	if (asimman)
65	destroy_image_manager (asimman, 0);
66	#endif	66	# endif
67
68	#ifdef HAVE_PIXBUF
69	if (pixbuf)
70	g_object_unref (pixbuf);
71	#endif
72		67
73	if (bg_pixmap)	68	if (bg_pixmap)
74	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
75	}	70	}
76		71
…		…
95	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
96	return true;	91	return true;
97	# endif	92	# endif
98		93
99	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
100	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
101	{	96	{
102	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
103	return true;	100	return true;
104	}	101	}
105	# endif	102	# endif
106		103
107	return false;	104	return false;
…		…
114	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
115	return true;	112	return true;
116	# endif	113	# endif
117		114
118	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
119	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
120	{	117	{
121	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
122	return true;	119	return true;
123	}	120	}
124	# endif	121	# endif
125		122
126	return false;	123	return false;
127	}	124	}
128		125
129	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
130	static inline bool
131	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
132	{
133	if (geom_flags & flag)
134	{
135	if (new_value > 1000)
136	new_value = 1000;
137	if (new_value != scale)
138	{
139	scale = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline bool
147	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
148	{
149	if (geom_flags & flag)
150	{
151	if (new_value < -100)
152	new_value = -100;
153	else if (new_value > 200)
154	new_value = 200;
155	if (new_value != align)
156	{
157	align = new_value;
158	return true;
159	}
160	}
161	return false;
162	}
163
164	static inline int	127	static inline int
165	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
166	{	129	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
171	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	132	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	134	else
175	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	136	}
178		137
179	static inline int	138	static inline int
180	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
181	{	140	{
…		…
187	src_pos = -pos;	146	src_pos = -pos;
188	dst_pos = 0;	147	dst_pos = 0;
189	dst_size += pos;	148	dst_size += pos;
190	}	149	}
191		150
192	if (dst_pos + dst_size > target_size)
193	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
194	return src_pos;	152	return src_pos;
195	}	153	}
196		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
197	bool	190	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
199	{	192	{
200	bool changed = false;	193	bool changed = false;
201	int geom_flags = 0;	194	int geom_flags = 0;
202	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
203	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
204	unsigned long new_flags = 0;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
205		200
206	if (geom == NULL)	201	if (geom == NULL)
207	return false;	202	return false;
208		203
209	if (geom[0])	204	if (geom[0])
210	{	205	{
211	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
212		207
213	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
214	{	209	{
215	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
216	{	211	{
217	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
218	w = h = noScale;
219	x = y = 0;
220	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
221	}	214	}
222	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
223	{
224	new_flags = BG_KEEP_ASPECT;
225	w = h = windowScale;
226	x = y = centerAlign;
227	geom_flags = WidthValue|HeightValue|XValue|YValue;
228	}
229	else if (!strcasecmp (arr[i], "style=stretched"))
230	{
231	new_flags = 0;
232	w = h = windowScale;
233	geom_flags = WidthValue|HeightValue;
234	}
235	else if (!strcasecmp (arr[i], "style=centered"))
236	{
237	new_flags = 0;
238	w = h = noScale;
239	x = y = centerAlign;
240	geom_flags = WidthValue|HeightValue|XValue|YValue;
241	}
242	else if (!strcasecmp (arr[i], "style=root-tiled"))
243	{
244	new_flags = BG_TILE|BG_ROOT_ALIGN;
245	w = h = noScale;
246	geom_flags = WidthValue|HeightValue;
247	}
248	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
254		221
255	// deprecated	222	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
257	{	224	{
258	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
259	w = h = noScale;	226	w = h = noScale;
260	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
261	}	228	}
262	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
263	{	230	{
264	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
265	w = h = windowScale;	232	w = h = windowScale;
266	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
267	}	234	}
268	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
269	{	236	{
270	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
271	w = windowScale;	238	w = windowScale;
272	h = noScale;	239	h = noScale;
273	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
274	}	241	}
275	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
276	{	243	{
277	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
278	h = windowScale;	245	h = windowScale;
279	w = noScale;	246	w = noScale;
280	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
281	}	248	}
282	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	257	x = y = centerAlign;
291	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
292	}	259	}
293	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
294	{	261	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
296	w = h = noScale;	263	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
298	}	265	}
299		266
300	else	267	else
…		…
302	} /* done parsing ops */	269	} /* done parsing ops */
303		270
304	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
305	}	272	}
306		273
307	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
308		275
309	if (!update)	276	if (!update)
310	{	277	{
311	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	284	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
319	h = w;	286	h = w;
320	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
321	w = h;	288	w = h;
322
323	geom_flags |= WidthValue|HeightValue|XValue|YValue;
324	}
325
326	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
327	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
328	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
329	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
330
331	if (new_flags != bg_flags)
332	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
333	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
334	changed = true;	305	changed = true;
335	}	306	}
336		307
		308	if (!(flags & IM_TILE)
		309	|| h_scale || v_scale
		310	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		311	flags |= IM_IS_SIZE_SENSITIVE;
		312	else
		313	flags &= ~IM_IS_SIZE_SENSITIVE;
		314
337	return changed;	315	return changed;
338	}	316	}
339		317
340	void	318	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	319	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
343	int target_width = szHint.width;	323	int target_width = szHint.width;
344	int target_height = szHint.height;	324	int target_height = szHint.height;
		325	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		326	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
345		327
346	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
348		330
349	if (bg_flags & BG_KEEP_ASPECT)	331	if (image.flags & IM_KEEP_ASPECT)
350	{	332	{
351	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
355	}	337	}
356		338
357	if (!w) w = image_width;	339	if (!w) w = image_width;
358	if (!h) h = image_height;	340	if (!h) h = image_height;
359		341
360	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
361	{	343	{
362	x = -target_x;	344	x = -target_x;
363	y = -target_y;	345	y = -target_y;
364	}	346	}
365	else	347	else
366	{	348	{
367	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
369	}
370
371	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
372	if (!(bg_flags & BG_TILE)
373	|| h_scale || v_scale
374	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
375	|| w > target_width || h > target_height)
376	bg_flags |= BG_IS_SIZE_SENSITIVE;
377	}
378
379	# ifdef HAVE_AFTERIMAGE
380	bool
381	rxvt_term::render_image (unsigned long tr_flags)
382	{
383	init_asv ();
384
385	ASImage *background = NULL;
386	ARGB32 background_tint = TINT_LEAVE_SAME;
387
388	# ifdef ENABLE_TRANSPARENCY
389	if (tr_flags)
390	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
391
392	if (tr_flags & BG_NEEDS_TINT)
393	{	351	}
394	ShadingInfo as_shade;	352	}
395	as_shade.shading = shade;
396		353
397	rgba c;	354	# ifdef HAVE_PIXBUF
398	tint.get (c);	355	bool
399	as_shade.tintColor.red = c.r;	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
400	as_shade.tintColor.green = c.g;	357	int src_x, int src_y, int dst_x, int dst_y,
401	as_shade.tintColor.blue = c.b;	358	unsigned int width, unsigned int height, bool argb)
		359	{
		360	XImage *ximage;
		361	char *line;
		362	int width_r, width_g, width_b, width_a;
		363	int sh_r, sh_g, sh_b, sh_a;
		364	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		365	int rowstride;
		366	int channels;
		367	unsigned char *row;
402		368
403	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
404	}	373	{
405		374	red_mask = 0xff << 16;
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
407	{	378	}
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
409	ASA_XImage,	380	{
410	100, ASIMAGE_QUALITY_DEFAULT);	381	red_mask = visual->red_mask;
		382	green_mask = visual->green_mask;
		383	blue_mask = visual->blue_mask;
		384	#if XRENDER
		385	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
411	if (tmp)	386	if (format)
		387	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		388	else
		389	#endif
		390	alpha_mask = 0;
		391	}
		392
		393	width_r = ecb_popcount32 (red_mask);
		394	width_g = ecb_popcount32 (green_mask);
		395	width_b = ecb_popcount32 (blue_mask);
		396	width_a = ecb_popcount32 (alpha_mask);
		397
		398	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		399	return false;
		400
		401	sh_r = ecb_ctz32 (red_mask);
		402	sh_g = ecb_ctz32 (green_mask);
		403	sh_b = ecb_ctz32 (blue_mask);
		404	sh_a = ecb_ctz32 (alpha_mask);
		405
		406	if (width > 32767 || height > 32767)
		407	return false;
		408
		409	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		410	width, height, 32, 0);
		411	if (!ximage)
		412	return false;
		413
		414	if (height > INT_MAX / ximage->bytes_per_line
		415	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		416	{
		417	XDestroyImage (ximage);
		418	return false;
		419	}
		420
		421	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		422
		423	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		424	channels = gdk_pixbuf_get_n_channels (pixbuf);
		425	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		426	line = ximage->data;
		427
		428	rgba c (0, 0, 0);
		429
		430	if (channels == 4 && alpha_mask == 0)
		431	{
		432	pix_colors[Color_bg].get (c);
		433	c.r >>= 8;
		434	c.g >>= 8;
		435	c.b >>= 8;
		436	}
		437
		438	for (int y = 0; y < height; y++)
		439	{
		440	for (int x = 0; x < width; x++)
		441	{
		442	unsigned char *pixel = row + x * channels;
		443	uint32_t value;
		444	unsigned char r, g, b, a;
		445
		446	if (channels == 4)
412	{	447	{
413	destroy_asimage (&background);	448	a = pixel[3];
414	background = tmp;	449	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		450	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		451	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		452	}
		453	else
		454	{
		455	a = 0xff;
		456	r = pixel[0];
		457	g = pixel[1];
		458	b = pixel[2];
		459	}
		460
		461	value = ((r >> (8 - width_r)) << sh_r)
		462	| ((g >> (8 - width_g)) << sh_g)
		463	| ((b >> (8 - width_b)) << sh_b)
		464	| ((a >> (8 - width_a)) << sh_a);
		465
		466	if (ximage->bits_per_pixel == 32)
		467	((uint32_t *)line)[x] = value;
		468	else
		469	XPutPixel (ximage, x, y, value);
415	}	470	}
416	}
417	# endif
418		471
419	ASImage *result = 0;	472	row += rowstride;
		473	line += ximage->bytes_per_line;
		474	}
		475
		476	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		477	XDestroyImage (ximage);
		478	return true;
		479	}
		480
		481	bool
		482	rxvt_term::render_image (rxvt_image &image)
		483	{
		484	GdkPixbuf *pixbuf = image.pixbuf;
		485	if (!pixbuf)
		486	return false;
		487
		488	bool need_blend = bg_flags & BG_IS_VALID;
		489
		490	if (need_blend
		491	&& !(bg_flags & BG_HAS_RENDER))
		492	return false;
		493
		494	GdkPixbuf *result;
		495
		496	int image_width = gdk_pixbuf_get_width (pixbuf);
		497	int image_height = gdk_pixbuf_get_height (pixbuf);
420		498
421	int target_width = szHint.width;	499	int target_width = szHint.width;
422	int target_height = szHint.height;	500	int target_height = szHint.height;
423	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
426	int x = 0;	504	int x = 0;
427	int y = 0;	505	int y = 0;
428	int w = 0;	506	int w = 0;
429	int h = 0;	507	int h = 0;
430		508
431	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		510
434	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
435	|| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width	512	&& (x >= target_width
437	|| y >= target_height	513	|| y >= target_height
438	|| x + w <= 0	514	|| x + w <= 0
439	|| y + h <= 0)))	515	|| y + h <= 0))
		516	return false;
		517
		518	result = pixbuf;
		519
		520	if (w != image_width
		521	|| h != image_height)
		522	{
		523	result = gdk_pixbuf_scale_simple (pixbuf,
		524	w, h,
		525	GDK_INTERP_BILINEAR);
440	{	526	}
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446		527
447	if (background_tint != TINT_LEAVE_SAME)	528	if (!result)
		529	return false;
		530
		531	bool ret = false;
		532
		533	XGCValues gcv;
		534	GC gc;
		535	Pixmap tmp_pixmap;
		536
		537	image_width = gdk_pixbuf_get_width (result);
		538	image_height = gdk_pixbuf_get_height (result);
		539
		540	if (need_blend)
		541	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		542	else
		543	{
		544	// optimise bg pixmap size when tiling, but only if there are no
		545	// other pixbufs to render. Otherwise, the bg pixmap size must
		546	// be equal to the window size.
		547	if ((image.flags & IM_TILE)
		548	&& image_vec.size () == 1)
448	{	549	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
450	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}	552	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else
460	{
461	result = original_asim;
462		553
463	if (w != original_asim->width
464	|| h != original_asim->height)
465	{
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}
471
472	if (background == NULL)
473	{
474	if (bg_flags & BG_TILE)
475	{
476	/* if tiling - pixmap has to be sized exactly as the image,
477	but there is no need to make it bigger than the window! */
478	new_pmap_width = min (result->width, target_width);
479	new_pmap_height = min (result->height, target_height);
480
481	/* we also need to tile our image in both directions */
482	ASImage *tmp = tile_asimage (asv, result,
483	(int)result->width - x,
484	(int)result->height - y,
485	new_pmap_width,
486	new_pmap_height,
487	TINT_LEAVE_SAME, ASA_XImage,
488	100, ASIMAGE_QUALITY_DEFAULT);
489	if (tmp)
490	{
491	if (result != original_asim)
492	destroy_asimage (&result);
493
494	result = tmp;
495	}
496	}
497	}
498	else
499	{
500	/* if blending background and image - pixmap has to be sized same as target window */
501	ASImageLayer *layers = create_image_layers (2);
502
503	layers[0].im = background;
504	layers[0].clip_width = target_width;
505	layers[0].clip_height = target_height;
506	layers[0].tint = background_tint;
507	layers[1].im = result;
508
509	if (bg_flags & BG_TILE)
510	{
511	/* tile horizontally */
512	while (x > 0) x -= (int)result->width;
513	layers[1].dst_x = x;
514	layers[1].clip_width = result->width+target_width;
515	}
516	else
517	{
518	/* clip horizontally */
519	layers[1].dst_x = x;
520	layers[1].clip_width = result->width;
521	}
522
523	if (bg_flags & BG_TILE)
524	{
525	while (y > 0) y -= (int)result->height;
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height + target_height;
528	}
529	else
530	{
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height;
533	}
534
535	if (rs[Rs_blendtype])
536	{
537	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
538	if (layers[1].merge_scanlines == NULL)
539	layers[1].merge_scanlines = alphablend_scanlines;
540	}
541
542	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
543	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
544
545	if (tmp)
546	{
547	if (result != original_asim)
548	destroy_asimage (&result);
549
550	result = tmp;
551	}
552
553	free (layers);
554	}
555	}
556
557	bool ret = false;
558
559	if (result)
560	{
561	XGCValues gcv;
562	GC gc;
563
564	/* create Pixmap */
565	if (bg_pixmap == None	554	if (bg_pixmap == None
566	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
567	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
568	{	557	{
569	if (bg_pixmap)	558	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	560	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
574	}	563	}
575	/* fill with background color (if result's not completely overlapping it) */
576	gcv.foreground = pix_colors[Color_bg];
577	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
578		564
579	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
580	int dst_width = result->width, dst_height = result->height;
581	if (background == NULL)
582	{
583	if (!(bg_flags & BG_TILE))
584	{
585	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
586	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
587	}
588
589	if (dst_x > 0 || dst_y > 0
590	|| dst_x + dst_width < new_pmap_width
591	|| dst_y + dst_height < new_pmap_height)
592	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
593	}
594
595	/* put result on pixmap */
596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
597	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
598
599	if (result != background && result != original_asim)
600	destroy_asimage (&result);
601
602	XFreeGC (dpy, gc);
603
604	ret = true;
605	}
606
607	if (background)
608	destroy_asimage (&background);
609
610	return ret;
611	}
612	# endif /* HAVE_AFTERIMAGE */
613
614	# ifdef HAVE_PIXBUF
615	bool
616	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
617	int src_x, int src_y, int dst_x, int dst_y,
618	unsigned int width, unsigned int height)
619	{
620	XImage *ximage;
621	char *data, *line;
622	int bytes_per_pixel;
623	int width_r, width_g, width_b;
624	int sh_r, sh_g, sh_b;
625	int rowstride;
626	int channels;
627	unsigned char *row;
628
629	if (visual->c_class != TrueColor)
630	return false;
631
632	if (depth == 24 || depth == 32)
633	bytes_per_pixel = 4;
634	else if (depth == 15 || depth == 16)
635	bytes_per_pixel = 2;
636	else
637	return false;
638
639	width_r = ecb_popcount32 (visual->red_mask);
640	width_g = ecb_popcount32 (visual->green_mask);
641	width_b = ecb_popcount32 (visual->blue_mask);
642
643	if (width_r > 8 || width_g > 8 || width_b > 8)
644	return false;
645
646	sh_r = ecb_ctz32 (visual->red_mask);
647	sh_g = ecb_ctz32 (visual->green_mask);
648	sh_b = ecb_ctz32 (visual->blue_mask);
649
650	if (width > INT_MAX / height / bytes_per_pixel)
651	return false;
652
653	data = (char *)malloc (width * height * bytes_per_pixel);
654	if (!data)
655	return false;
656
657	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
658	width, height, bytes_per_pixel * 8, 0);
659	if (!ximage)
660	{
661	free (data);
662	return false;
663	}
664
665	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
666
667	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
668	channels = gdk_pixbuf_get_n_channels (pixbuf);
669	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
670	line = data;
671
672	for (int y = 0; y < height; y++)
673	{
674	for (int x = 0; x < width; x++)
675	{
676	unsigned char *pixel = row + x * channels;
677	uint32_t value;
678
679	value = ((pixel[0] >> (8 - width_r)) << sh_r)
680	| ((pixel[1] >> (8 - width_g)) << sh_g)
681	| ((pixel[2] >> (8 - width_b)) << sh_b);
682
683	if (bytes_per_pixel == 4)
684	((uint32_t *)line)[x] = value;
685	else
686	((uint16_t *)line)[x] = value;
687	}
688
689	row += rowstride;
690	line += ximage->bytes_per_line;
691	}
692
693	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
694	XDestroyImage (ximage);
695	return true;
696	}
697
698	bool
699	rxvt_term::render_image (unsigned long tr_flags)
700	{
701	if (!pixbuf)
702	return false;
703
704	if (tr_flags
705	&& !(bg_flags & BG_HAS_RENDER))
706	return false;
707
708	GdkPixbuf *result;
709
710	int image_width = gdk_pixbuf_get_width (pixbuf);
711	int image_height = gdk_pixbuf_get_height (pixbuf);
712
713	int target_width = szHint.width;
714	int target_height = szHint.height;
715	int new_pmap_width = target_width;
716	int new_pmap_height = target_height;
717
718	int x = 0;
719	int y = 0;
720	int w = 0;
721	int h = 0;
722
723	get_image_geometry (image_width, image_height, w, h, x, y);
724
725	if (!(bg_flags & BG_ROOT_ALIGN)
726	&& (x >= target_width
727	|| y >= target_height
728	|| x + w <= 0
729	|| y + h <= 0))
730	return false;
731
732	result = pixbuf;
733
734	if (w != image_width
735	|| h != image_height)
736	{
737	result = gdk_pixbuf_scale_simple (pixbuf,
738	w, h,
739	GDK_INTERP_BILINEAR);
740	}
741
742	if (!result)
743	return false;
744
745	bool ret = false;
746
747	XGCValues gcv;
748	GC gc;
749	Pixmap root_pmap;
750
751	image_width = gdk_pixbuf_get_width (result);
752	image_height = gdk_pixbuf_get_height (result);
753
754	if (tr_flags)
755	{
756	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
757	bg_pixmap = None;
758	}
759	else
760	{
761	if (bg_flags & BG_TILE)
762	{
763	new_pmap_width = min (image_width, target_width);
764	new_pmap_height = min (image_height, target_height);
765	}
766	}
767
768	if (bg_pixmap == None
769	|| bg_pmap_width != new_pmap_width
770	|| bg_pmap_height != new_pmap_height)
771	{
772	if (bg_pixmap)
773	XFreePixmap (dpy, bg_pixmap);
774	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
775	bg_pmap_width = new_pmap_width;
776	bg_pmap_height = new_pmap_height;
777	}	566	}
778		567
779	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
781		570
782	if (gc)	571	if (gc)
783	{	572	{
784	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
785	{	574	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
787	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,	577	0, 0,
789	0, 0,	578	0, 0,
790	image_width, image_height);	579	image_width, image_height, need_blend);
791		580
792	gcv.tile = tile;	581	gcv.tile = tile;
793	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
794	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
795	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
796	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
797		586
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	587	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
800	}	589	}
801	else	590	else
802	{	591	{
803	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
807	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	596	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
808		597
809	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
810	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
811	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	601	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813		602
814	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
815	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
816	src_x, src_y,	605	src_x, src_y,
817	dst_x, dst_y,	606	dst_x, dst_y,
818	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
819	}	608	}
820		609
821	#if XRENDER	610	#if XRENDER
822	if (tr_flags)	611	if (need_blend)
823	{	612	{
824	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
825
826	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
827	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
828		617
829	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
830	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
831		619
832	Picture mask = create_xrender_mask (dpy, vt, False, False);	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
833		621
834	XRenderColor mask_c;	622	XRenderColor mask_c;
835		623
836	mask_c.alpha = 0x8000;	624	mask_c.alpha = image.alpha;
837	mask_c.red = 0;	625	mask_c.red =
838	mask_c.green = 0;	626	mask_c.green =
839	mask_c.blue = 0;	627	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	630	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		631
843	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
852	}	641	}
853		642
854	if (result != pixbuf)	643	if (result != pixbuf)
855	g_object_unref (result);	644	g_object_unref (result);
856		645
857	if (tr_flags)	646	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
859		648
860	return ret;	649	return ret;
861	}	650	}
862	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
863		652
		653	# ifndef NO_RESOURCES
		654	static int
		655	rxvt_define_image (XrmDatabase *database ecb_unused,
		656	XrmBindingList bindings ecb_unused,
		657	XrmQuarkList quarks,
		658	XrmRepresentation *type ecb_unused,
		659	XrmValue *value,
		660	XPointer closure ecb_unused)
		661	{
		662	int size;
		663
		664	for (size = 0; quarks[size] != NULLQUARK; size++)
		665	;
		666
		667	if (size >= 2)
		668	{
		669	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		670	if (id >= 1)
		671	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		672	}
		673	return False;
		674	}
		675
		676	void
		677	rxvt_term::parse_image (int id, const char *type, const char *arg)
		678	{
		679	if (image_vec.size () < id + 1)
		680	image_vec.resize (id + 1);
		681
		682	rxvt_image *image = &image_vec[id];
		683	}
		684	# endif
		685
		686	rxvt_image::rxvt_image ()
		687	{
		688	alpha = 0xffff;
		689	flags = 0;
		690	h_scale =
		691	v_scale = defaultScale;
		692	h_align =
		693	v_align = defaultAlign;
		694
		695	# ifdef HAVE_PIXBUF
		696	pixbuf = 0;
		697	# endif
		698	}
		699
864	bool	700	bool
865	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
866	{	702	{
867	if (!file || !*file)	703	if (!file || !*file)
868	return false;	704	return false;
869		705
870	bool ret = false;
871	const char *p = strchr (file, ';');	706	const char *p = strchr (file, ';');
872		707
873	if (p)	708	if (p)
874	{	709	{
875	size_t len = p - file;	710	size_t len = p - file;
…		…
877	memcpy (f, file, len);	712	memcpy (f, file, len);
878	f[len] = '\0';	713	f[len] = '\0';
879	file = f;	714	file = f;
880	}	715	}
881		716
882	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
883	if (!asimman)	718	alpha = 0x8000;
884	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret)
885	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p ? p + 1 : "");
886	if (image)	721	return ret;
887	{	722	}
888	if (original_asim)	723
889	safe_asimage_destroy (original_asim);	724	bool
890	original_asim = image;	725	rxvt_image::set_file (const char *file)
891	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
892	ret = true;	727	bool ret = false;
893	}
894	# endif
895		728
896	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
897	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
898	if (image)	731	if (image)
899	{	732	{
900	if (pixbuf)	733	if (pixbuf)
901	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
902	pixbuf = image;	735	pixbuf = image;
903	bg_flags |= BG_IS_FROM_FILE;
904	ret = true;	736	ret = true;
905	}	737	}
906	# endif	738	# endif
907		739
908	if (ret)	740	if (ret)
909	{	741	flags |= IM_IS_SET;
910	if (p)
911	bg_set_geometry (p + 1);
912	else
913	bg_set_default_geometry ();
914	}
915		742
916	return ret;	743	return ret;
917	}	744	}
918		745
919	# endif /* BG_IMAGE_FROM_FILE */	746	# endif /* BG_IMAGE_FROM_FILE */
920		747
921	# ifdef ENABLE_TRANSPARENCY	748	# ifdef ENABLE_TRANSPARENCY
922	bool
923	rxvt_term::bg_set_transparent ()
924	{
925	if (!(bg_flags & BG_IS_TRANSPARENT))
926	{
927	bg_flags |= BG_IS_TRANSPARENT;
928	return true;
929	}
930
931	return false;
932	}
933
934	bool	749	bool
935	rxvt_term::bg_set_blur (const char *geom)	750	rxvt_term::bg_set_blur (const char *geom)
936	{	751	{
937	bool changed = false;	752	bool changed = false;
938	unsigned int hr, vr;	753	unsigned int hr, vr;
…		…
957	{	772	{
958	changed = true;	773	changed = true;
959	v_blurRadius = vr;	774	v_blurRadius = vr;
960	}	775	}
961		776
962	if (v_blurRadius == 0 && h_blurRadius == 0)
963	bg_flags &= ~BG_NEEDS_BLUR;
964	else
965	bg_flags |= BG_NEEDS_BLUR;
966
967	return changed;	777	return changed;
968	}	778	}
969		779
970	void
971	rxvt_term::set_tint_shade_flags ()
972	{
973	rgba c;
974	bool has_shade = shade != 100;
975
976	bg_flags &= ~BG_TINT_FLAGS;
977
978	tint.get (c);
979
980	if (!has_shade
981	&& (c.r <= 0x00ff || c.r >= 0xff00)
982	&& (c.g <= 0x00ff || c.g >= 0xff00)
983	&& (c.b <= 0x00ff || c.b >= 0xff00))
984	bg_flags |= BG_TINT_BITAND;
985
986	if (has_shade
987	|| c.r < 0xff00
988	|| c.g < 0xff00
989	|| c.b < 0xff00)
990	bg_flags |= BG_NEEDS_TINT;
991	}
992
993	bool	780	bool
994	rxvt_term::bg_set_tint (rxvt_color &new_tint)	781	rxvt_term::bg_set_tint (rxvt_color &new_tint)
995	{	782	{
996	if (tint != new_tint)	783	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
997	{	784	{
998	tint = new_tint;	785	tint = new_tint;
999	set_tint_shade_flags ();	786	bg_flags |= BG_TINT_SET;
		787
		788	rgba c;
		789	tint.get (c);
		790	if ((c.r <= 0x00ff || c.r >= 0xff00)
		791	&& (c.g <= 0x00ff || c.g >= 0xff00)
		792	&& (c.b <= 0x00ff || c.b >= 0xff00))
		793	bg_flags |= BG_TINT_BITAND;
		794	else
		795	bg_flags &= ~BG_TINT_BITAND;
		796
1000	return true;	797	return true;
1001	}	798	}
1002		799
1003	return false;	800	return false;
1004	}	801	}
…		…
1013	new_shade = 200 - (100 + new_shade);	810	new_shade = 200 - (100 + new_shade);
1014		811
1015	if (new_shade != shade)	812	if (new_shade != shade)
1016	{	813	{
1017	shade = new_shade;	814	shade = new_shade;
1018	set_tint_shade_flags ();
1019	return true;	815	return true;
1020	}	816	}
1021		817
1022	return false;	818	return false;
1023	}	819	}
…		…
1044	params[i+2] = XDoubleToFixed (kernel[i] / sum);	840	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1045	}	841	}
1046	#endif	842	#endif
1047		843
1048	bool	844	bool
1049	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	845	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1050	{	846	{
1051	bool ret = false;	847	bool ret = false;
1052	#if XRENDER	848	#if XRENDER
1053	if (!(bg_flags & BG_HAS_RENDER_CONV))	849	if (!(bg_flags & BG_HAS_RENDER_CONV))
1054	return false;	850	return false;
…		…
1058	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	854	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1059		855
1060	XRenderPictureAttributes pa;	856	XRenderPictureAttributes pa;
1061	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	857	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1062		858
		859	pa.repeat = RepeatPad;
1063	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	860	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		861	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1064	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	862	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		863	XFreePixmap (dpy, tmp);
1065		864
1066	if (kernel && params)	865	if (kernel && params)
1067	{	866	{
1068	if (h_blurRadius)
1069	{
1070	size = h_blurRadius * 2 + 1;	867	size = h_blurRadius * 2 + 1;
1071	get_gaussian_kernel (h_blurRadius, size, kernel, params);	868	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1072		869
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	870	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	871	XRenderComposite (dpy,
1075	PictOpSrc,	872	PictOpSrc,
1076	src,	873	src,
1077	None,	874	None,
1078	dst,	875	dst,
1079	0, 0,	876	0, 0,
1080	0, 0,	877	0, 0,
1081	0, 0,	878	0, 0,
1082	width, height);	879	width, height);
1083	}
1084		880
1085	if (v_blurRadius)	881	::swap (src, dst);
1086	{	882
1087	size = v_blurRadius * 2 + 1;	883	size = v_blurRadius * 2 + 1;
1088	get_gaussian_kernel (v_blurRadius, size, kernel, params);	884	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1089	::swap (params[0], params[1]);	885	::swap (params[0], params[1]);
1090		886
1091	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	887	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1092	XRenderComposite (dpy,	888	XRenderComposite (dpy,
1093	PictOpSrc,	889	PictOpSrc,
1094	src,	890	src,
1095	None,	891	None,
1096	dst,	892	dst,
1097	0, 0,	893	0, 0,
1098	0, 0,	894	0, 0,
1099	0, 0,	895	0, 0,
1100	width, height);	896	width, height);
1101	}
1102		897
1103	ret = true;	898	ret = true;
1104	}	899	}
1105		900
1106	free (kernel);	901	free (kernel);
…		…
1110	#endif	905	#endif
1111	return ret;	906	return ret;
1112	}	907	}
1113		908
1114	bool	909	bool
1115	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	910	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1116	{	911	{
1117	bool ret = false;	912	bool ret = false;
1118		913
1119	if (bg_flags & BG_TINT_BITAND)	914	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1120	{	915	{
1121	XGCValues gcv;	916	XGCValues gcv;
1122	GC gc;	917	GC gc;
1123		918
1124	/* In this case we can tint image server-side getting significant	919	/* In this case we can tint image server-side getting significant
…		…
1136	}	931	}
1137	}	932	}
1138	# if XRENDER	933	# if XRENDER
1139	else if (bg_flags & BG_HAS_RENDER)	934	else if (bg_flags & BG_HAS_RENDER)
1140	{	935	{
1141	rgba c;	936	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1142		937
		938	if (bg_flags & BG_TINT_SET)
1143	tint.get (c);	939	tint.get (c);
1144		940
1145	if (shade <= 100)	941	if (shade <= 100)
1146	{	942	{
1147	c.r = c.r * shade / 100;	943	c.r = c.r * shade / 100;
1148	c.g = c.g * shade / 100;	944	c.g = c.g * shade / 100;
…		…
1154	c.g = c.g * (200 - shade) / 100;	950	c.g = c.g * (200 - shade) / 100;
1155	c.b = c.b * (200 - shade) / 100;	951	c.b = c.b * (200 - shade) / 100;
1156	}	952	}
1157		953
1158	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	954	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1159	XRenderPictureAttributes pa;
1160		955
1161	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	956	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1162		957
1163	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	958	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1164		959
1165	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);	960	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1166		961
…		…
1175	mask_c.alpha = 0;	970	mask_c.alpha = 0;
1176	mask_c.red = 0xffff - c.r;	971	mask_c.red = 0xffff - c.r;
1177	mask_c.green = 0xffff - c.g;	972	mask_c.green = 0xffff - c.g;
1178	mask_c.blue = 0xffff - c.b;	973	mask_c.blue = 0xffff - c.b;
1179	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	974	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		975
1180	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	976	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1181		977
1182	if (shade > 100)	978	if (shade > 100)
1183	{	979	{
1184	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1185	mask_c.alpha = 0;	980	mask_c.alpha = 0;
		981	mask_c.red =
		982	mask_c.green =
		983	mask_c.blue = 0xffff * (shade - 100) / 100;
1186	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	984	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1187		985
1188	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	986	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1189	}	987	}
1190		988
…		…
1202	/*	1000	/*
1203	* Builds a pixmap of the same size as the terminal window that contains	1001	* Builds a pixmap of the same size as the terminal window that contains
1204	* the tiled portion of the root pixmap that is supposed to be covered by	1002	* the tiled portion of the root pixmap that is supposed to be covered by
1205	* our window.	1003	* our window.
1206	*/	1004	*/
1207	unsigned long	1005	bool
1208	rxvt_term::make_transparency_pixmap ()	1006	rxvt_term::make_transparency_pixmap ()
1209	{	1007	{
1210	unsigned long result = 0;	1008	bool ret = false;
1211		1009
1212	/* root dimensions may change from call to call - but Display structure should	1010	/* root dimensions may change from call to call - but Display structure should
1213	* be always up-to-date, so let's use it :	1011	* be always up-to-date, so let's use it :
1214	*/	1012	*/
1215	int screen = display->screen;	1013	int screen = display->screen;
…		…
1253	#if XRENDER	1051	#if XRENDER
1254	if (bg_flags & BG_HAS_RENDER)	1052	if (bg_flags & BG_HAS_RENDER)
1255	{	1053	{
1256	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1054	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1257		1055
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1056	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1057	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		1058
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1059	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1060	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		1061
1266	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1062	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1267		1063
1268	XRenderFreePicture (dpy, src);	1064	XRenderFreePicture (dpy, src);
1269	XRenderFreePicture (dpy, dst);	1065	XRenderFreePicture (dpy, dst);
…		…
1298	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1094	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1299		1095
1300	if (gc)	1096	if (gc)
1301	{	1097	{
1302	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1098	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1303	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1099	ret = true;
1304	XFreeGC (dpy, gc);	1100	bool need_blur = h_blurRadius && v_blurRadius;
		1101	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1305		1102
1306	if (!(bg_flags & BG_CLIENT_RENDER))	1103	if (!(bg_flags & BG_CLIENT_RENDER))
1307	{	1104	{
1308	if (bg_flags & BG_NEEDS_BLUR)	1105	if (need_blur)
1309	{	1106	{
1310	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1107	if (blur_pixmap (bg_pixmap, window_width, window_height))
1311	result &= ~BG_NEEDS_BLUR;	1108	need_blur = false;
1312	}	1109	}
1313	if (bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1314	{	1111	{
1315	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height))
1316	result &= ~BG_NEEDS_TINT;	1113	need_tint = false;
		1114	}
		1115	if (need_tint)
		1116	{
		1117	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1118	if (ximage)
		1119	{
		1120	/* our own client-side tinting */
		1121	tint_ximage (ximage);
		1122
		1123	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1124	XDestroyImage (ximage);
		1125	}
1317	}	1126	}
1318	} /* server side rendering completed */	1127	} /* server side rendering completed */
		1128
		1129	XFreeGC (dpy, gc);
1319	}	1130	}
1320		1131
1321	if (recoded_root_pmap != root_pixmap)	1132	if (recoded_root_pmap != root_pixmap)
1322	XFreePixmap (dpy, recoded_root_pmap);	1133	XFreePixmap (dpy, recoded_root_pmap);
1323		1134
1324	return result;	1135	return ret;
1325	}	1136	}
1326		1137
1327	void	1138	void
1328	rxvt_term::bg_set_root_pixmap ()	1139	rxvt_term::bg_set_root_pixmap ()
1329	{	1140	{
…		…
1336	# endif /* ENABLE_TRANSPARENCY */	1147	# endif /* ENABLE_TRANSPARENCY */
1337		1148
1338	bool	1149	bool
1339	rxvt_term::bg_render ()	1150	rxvt_term::bg_render ()
1340	{	1151	{
1341	unsigned long tr_flags = 0;
1342
1343	bg_invalidate ();	1152	bg_invalidate ();
1344	# ifdef ENABLE_TRANSPARENCY	1153	# ifdef ENABLE_TRANSPARENCY
1345	if (bg_flags & BG_IS_TRANSPARENT)	1154	if (bg_flags & BG_IS_TRANSPARENT)
1346	{	1155	{
1347	/* we need to re-generate transparency pixmap in that case ! */	1156	/* we need to re-generate transparency pixmap in that case ! */
1348	tr_flags = make_transparency_pixmap ();	1157	if (make_transparency_pixmap ())
1349	if (tr_flags == 0)
1350	return false;
1351	bg_flags |= BG_IS_VALID;	1158	bg_flags |= BG_IS_VALID;
1352	}	1159	}
1353	# endif	1160	# endif
1354		1161
1355	# ifdef BG_IMAGE_FROM_FILE	1162	# ifdef BG_IMAGE_FROM_FILE
1356	if ((bg_flags & BG_IS_FROM_FILE)	1163	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1357	|| (tr_flags & BG_EFFECTS_FLAGS))
1358	{	1164	{
1359	if (render_image (tr_flags))	1165	if (render_image (*bg_image))
1360	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1361	}
1362	# endif
1363
1364	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1365	XImage *result = NULL;
1366
1367	if (tr_flags & BG_NEEDS_TINT)
1368	{
1369	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1370	}
1371
1372	if (result)
1373	{
1374	/* our own client-side tinting */
1375	//if (tr_flags & BG_NEEDS_TINT)
1376	if (1)
1377	tint_ximage (DefaultVisual (dpy, display->screen), result);
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	}
1387
1388	XDestroyImage (result);
1389	}	1167	}
1390	# endif	1168	# endif
1391		1169
1392	if (!(bg_flags & BG_IS_VALID))	1170	if (!(bg_flags & BG_IS_VALID))
1393	{	1171	{
…		…
1408		1186
1409	void	1187	void
1410	rxvt_term::bg_init ()	1188	rxvt_term::bg_init ()
1411	{	1189	{
1412	#ifdef ENABLE_TRANSPARENCY	1190	#ifdef ENABLE_TRANSPARENCY
1413	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1414	tint.set (this, c);
1415	shade = 100;	1191	shade = 100;
1416	#endif	1192	#endif
1417		1193
1418	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1194	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1419	#if XRENDER	1195	#if XRENDER
…		…
1428	bg_flags |= BG_HAS_RENDER_CONV;	1204	bg_flags |= BG_HAS_RENDER_CONV;
1429		1205
1430	XFree (filters);	1206	XFree (filters);
1431	}	1207	}
1432	#endif	1208	#endif
		1209
		1210	#ifdef BG_IMAGE_FROM_FILE
		1211	if (rs[Rs_backgroundPixmap])
		1212	{
		1213	rxvt_image *image = new_image ();
		1214	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1215	image_vec.pop_back ();
		1216	}
		1217
		1218	# ifndef NO_RESOURCES
		1219	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1220	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1221	while (bg_image != image_vec.end ())
		1222	{
		1223	if (!(bg_image->flags & IM_IS_SET))
		1224	bg_image = image_vec.erase (bg_image);
		1225	else
		1226	bg_image++;
		1227	}
		1228	# endif
		1229
		1230	if (image_vec.size () > 0
		1231	&& !bg_window_position_sensitive ())
		1232	update_background ();
		1233	#endif
1433	}	1234	}
1434		1235
1435	#endif /* HAVE_BG_PIXMAP */	1236	#endif /* HAVE_BG_PIXMAP */
1436		1237
1437	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1238	#ifdef ENABLE_TRANSPARENCY
1438	/* based on code from aterm-0.4.2 */	1239	/* based on code from aterm-0.4.2 */
1439		1240
1440	static inline void	1241	static inline void
1441	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1242	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1442	{	1243	{
…		…
1448	lookup[i] = (tmp / 0xffff) << sh;	1249	lookup[i] = (tmp / 0xffff) << sh;
1449	}	1250	}
1450	}	1251	}
1451		1252
1452	void	1253	void
1453	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1254	rxvt_term::tint_ximage (XImage *ximage)
1454	{	1255	{
		1256	unsigned int size_r, size_g, size_b;
1455	int sh_r, sh_g, sh_b;	1257	int sh_r, sh_g, sh_b;
1456	uint32_t mask_r, mask_g, mask_b;	1258	uint32_t mask_r, mask_g, mask_b;
1457	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1259	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1458	unsigned short low;	1260	unsigned short low;
1459	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1261	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1464	mask_r = visual->red_mask;	1266	mask_r = visual->red_mask;
1465	mask_g = visual->green_mask;	1267	mask_g = visual->green_mask;
1466	mask_b = visual->blue_mask;	1268	mask_b = visual->blue_mask;
1467		1269
1468	/* boring lookup table pre-initialization */	1270	/* boring lookup table pre-initialization */
1469	switch (ximage->depth)	1271	sh_r = ecb_ctz32 (mask_r);
1470	{	1272	sh_g = ecb_ctz32 (mask_g);
1471	case 15:	1273	sh_b = ecb_ctz32 (mask_b);
1472	if ((mask_r != 0x7c00) ||	1274
1473	(mask_g != 0x03e0) ||	1275	size_r = mask_r >> sh_r;
1474	(mask_b != 0x001f))	1276	size_g = mask_g >> sh_g;
		1277	size_b = mask_b >> sh_b;
		1278
		1279	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1475	return;	1280	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1281
		1282	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1477	lookup_r = lookup;	1283	lookup_r = lookup;
1478	lookup_g = lookup+32;	1284	lookup_g = lookup + size_r;
1479	lookup_b = lookup+32+32;	1285	lookup_b = lookup + size_r + size_g;
1480	sh_r = 10;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 16:
1485	if ((mask_r != 0xf800) ||
1486	(mask_g != 0x07e0) ||
1487	(mask_b != 0x001f))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1490	lookup_r = lookup;
1491	lookup_g = lookup+32;
1492	lookup_b = lookup+32+64;
1493	sh_r = 11;
1494	sh_g = 5;
1495	sh_b = 0;
1496	break;
1497	case 24:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	case 32:
1511	if ((mask_r != 0xff0000) ||
1512	(mask_g != 0x00ff00) ||
1513	(mask_b != 0x0000ff))
1514	return;
1515	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1516	lookup_r = lookup;
1517	lookup_g = lookup+256;
1518	lookup_b = lookup+256+256;
1519	sh_r = 16;
1520	sh_g = 8;
1521	sh_b = 0;
1522	break;
1523	default:
1524	return; /* we do not support this color depth */
1525	}
1526		1286
1527	rgba c;	1287	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1528		1288
		1289	if (bg_flags & BG_TINT_SET)
1529	tint.get (c);	1290	tint.get (c);
1530		1291
1531	/* prepare limits for color transformation (each channel is handled separately) */	1292	/* prepare limits for color transformation (each channel is handled separately) */
1532	if (shade > 100)	1293	if (shade > 100)
1533	{	1294	{
1534	c.r = c.r * (200 - shade) / 100;	1295	c.r = c.r * (200 - shade) / 100;
…		…
1551	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1312	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1552	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1313	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1553		1314
1554	/* apply table to input image (replacing colors by newly calculated ones) */	1315	/* apply table to input image (replacing colors by newly calculated ones) */
1555	if (ximage->bits_per_pixel == 32	1316	if (ximage->bits_per_pixel == 32
1556	&& (ximage->depth == 24 || ximage->depth == 32)
1557	&& ximage->byte_order == host_byte_order)	1317	&& ximage->byte_order == host_byte_order)
1558	{	1318	{
1559	uint32_t *p1, *pf, *p, *pl;	1319	char *line = ximage->data;
1560	p1 = (uint32_t *) ximage->data;
1561	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1562		1320
1563	while (p1 < pf)	1321	for (int y = 0; y < ximage->height; y++)
1564	{	1322	{
1565	p = p1;	1323	uint32_t *p = (uint32_t *)line;
1566	pl = p1 + ximage->width;	1324	for (int x = 0; x < ximage->width; x++)
1567	for (; p < pl; p++)
1568	{	1325	{
1569	*p = lookup_r[(*p & 0xff0000) >> 16] |	1326	*p = lookup_r[(*p & mask_r) >> sh_r] |
1570	lookup_g[(*p & 0x00ff00) >> 8] |	1327	lookup_g[(*p & mask_g) >> sh_g] |
1571	lookup_b[(*p & 0x0000ff)] |	1328	lookup_b[(*p & mask_b) >> sh_b];
1572	(*p & 0xff000000);	1329	p++;
1573	}	1330	}
1574	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1331	line += ximage->bytes_per_line;
1575	}	1332	}
1576	}	1333	}
1577	else	1334	else
1578	{	1335	{
1579	for (int y = 0; y < ximage->height; y++)	1336	for (int y = 0; y < ximage->height; y++)
…		…
1587	}	1344	}
1588	}	1345	}
1589		1346
1590	free (lookup);	1347	free (lookup);
1591	}	1348	}
1592	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1349	#endif /* ENABLE_TRANSPARENCY */

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