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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.187 by sf-exg, Wed Dec 28 13:13:33 2011 UTC vs.
Revision 1.223 by sf-exg, Sat May 26 08:55:27 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
42	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
43	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif	66	# endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54		67
55	if (bg_pixmap)	68	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
57	}	70	}
58		71
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	91	return true;
79	# endif	92	# endif
80		93
81	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
82	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++)
83	{	96	{
84	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)
85	return true;	100	return true;
86	}	101	}
87	# endif	102	# endif
88		103
89	return false;	104	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	112	return true;
98	# endif	113	# endif
99		114
100	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
101	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++)
102	{	117	{
103	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
104	return true;	119	return true;
105	}	120	}
106	# endif	121	# endif
107		122
108	return false;	123	return false;
109	}	124	}
110		125
111	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	127	static inline int
147	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
148	{	129	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
153	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	132	else if (align > 100)
155	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	134	else
157	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	136	}
160		137
161	static inline int	138	static inline int
162	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)
163	{	140	{
…		…
169	src_pos = -pos;	146	src_pos = -pos;
170	dst_pos = 0;	147	dst_pos = 0;
171	dst_size += pos;	148	dst_size += pos;
172	}	149	}
173		150
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	152	return src_pos;
177	}	153	}
178		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
179	bool	190	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
181	{	192	{
182	bool changed = false;	193	bool changed = false;
183	int geom_flags = 0;	194	int geom_flags = 0;
184	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
185	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
186	unsigned long new_flags = 0;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
187		200
188	if (geom == NULL)	201	if (geom == NULL)
189	return false;	202	return false;
190		203
191	if (geom[0])	204	if (geom[0])
192	{	205	{
193	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
194		207
195	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
196	{	209	{
197	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
198	{	211	{
199	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
200	w = h = noScale;
201	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	214	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{
206	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;
208	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}
211	else if (!strcasecmp (arr[i], "style=stretched"))
212	{
213	new_flags = 0;
214	w = h = windowScale;
215	geom_flags = WidthValue|HeightValue;
216	}
217	else if (!strcasecmp (arr[i], "style=centered"))
218	{
219	new_flags = 0;
220	w = h = noScale;
221	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;
227	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;
229	}
230	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
236		221
237	// deprecated	222	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
239	{	224	{
240	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
241	w = h = noScale;	226	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
243	}	228	}
244	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
245	{	230	{
246	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
247	w = h = windowScale;	232	w = h = windowScale;
248	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
249	}	234	}
250	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
251	{	236	{
252	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
253	w = windowScale;	238	w = windowScale;
254	h = noScale;	239	h = noScale;
255	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
256	}	241	}
257	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
258	{	243	{
259	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
260	h = windowScale;	245	h = windowScale;
261	w = noScale;	246	w = noScale;
262	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
263	}	248	}
264	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
272	x = y = centerAlign;	257	x = y = centerAlign;
273	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
274	}	259	}
275	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
276	{	261	{
277	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
278	w = h = noScale;	263	w = h = noScale;
279	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
280	}	265	}
281		266
282	else	267	else
…		…
284	} /* done parsing ops */	269	} /* done parsing ops */
285		270
286	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
287	}	272	}
288		273
289	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
290		275
291	if (!update)	276	if (!update)
292	{	277	{
293	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
294	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
299	w = h = defaultScale;	284	w = h = defaultScale;
300	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
301	h = w;	286	h = w;
302	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
303	w = h;	288	w = h;
304
305	geom_flags |= WidthValue|HeightValue|XValue|YValue;
306	}
307
308	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
309	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
310	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
311	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
312
313	if (new_flags != bg_flags)
314	{	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	{
315	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
316	changed = true;	305	changed = true;
317	}	306	}
318		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
319	return changed;	315	return changed;
320	}	316	}
321		317
322	void	318	void
323	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)
324	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
325	int target_width = szHint.width;	323	int target_width = szHint.width;
326	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);
327		327
328	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
329	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
330		330
331	if (bg_flags & BG_KEEP_ASPECT)	331	if (image.flags & IM_KEEP_ASPECT)
332	{	332	{
333	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
334	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
335	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
336	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
337	}	337	}
338		338
339	if (!w) w = image_width;	339	if (!w) w = image_width;
340	if (!h) h = image_height;	340	if (!h) h = image_height;
341		341
342	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
343	{	343	{
344	x = -target_x;	344	x = -target_x;
345	y = -target_y;	345	y = -target_y;
346	}	346	}
347	else	347	else
348	{	348	{
349	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
350	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
351	}
352
353	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
354	if (!(bg_flags & BG_TILE)
355	|| h_scale || v_scale
356	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
357	|| w > target_width || h > target_height)
358	bg_flags |= BG_IS_SIZE_SENSITIVE;
359	}
360
361	# ifdef HAVE_AFTERIMAGE
362	bool
363	rxvt_term::render_image (unsigned long tr_flags)
364	{
365	init_asv ();
366
367	ASImage *background = NULL;
368	ARGB32 background_tint = TINT_LEAVE_SAME;
369
370	# ifdef ENABLE_TRANSPARENCY
371	if (tr_flags)
372	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
373
374	if (tr_flags & BG_NEEDS_TINT)
375	{	351	}
376	ShadingInfo as_shade;	352	}
377	as_shade.shading = shade;
378		353
379	rgba c;	354	# ifdef HAVE_PIXBUF
380	tint.get (c);	355	bool
381	as_shade.tintColor.red = c.r;	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
382	as_shade.tintColor.green = c.g;	357	int src_x, int src_y, int dst_x, int dst_y,
383	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;
384		368
385	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
386	}	373	{
387		374	red_mask = 0xff << 16;
388	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
389	{	378	}
390	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
391	ASA_XImage,	380	{
392	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);
393	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)
394	{	447	{
395	destroy_asimage (&background);	448	a = pixel[3];
396	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);
397	}	470	}
398	}
399	# endif
400		471
401	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);
402		498
403	int target_width = szHint.width;	499	int target_width = szHint.width;
404	int target_height = szHint.height;	500	int target_height = szHint.height;
405	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
406	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
408	int x = 0;	504	int x = 0;
409	int y = 0;	505	int y = 0;
410	int w = 0;	506	int w = 0;
411	int h = 0;	507	int h = 0;
412		508
413	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
414	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
415		510
416	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
417	|| (!(bg_flags & BG_ROOT_ALIGN)
418	&& (x >= target_width	512	&& (x >= target_width
419	|| y >= target_height	513	|| y >= target_height
420	|| x + w <= 0	514	|| x + w <= 0
421	|| 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);
422	{	526	}
423	if (background)
424	{
425	new_pmap_width = background->width;
426	new_pmap_height = background->height;
427	result = background;
428		527
429	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)
430	{	549	{
431	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
432	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
433	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
434	if (tmp)
435	result = tmp;
436	}
437	}	552	}
438	else
439	new_pmap_width = new_pmap_height = 0;
440	}
441	else
442	{
443	result = original_asim;
444		553
445	if (w != original_asim->width
446	|| h != original_asim->height)
447	{
448	result = scale_asimage (asv, original_asim,
449	w, h,
450	ASA_XImage,
451	100, ASIMAGE_QUALITY_DEFAULT);
452	}
453
454	if (background == NULL)
455	{
456	if (bg_flags & BG_TILE)
457	{
458	/* if tiling - pixmap has to be sized exactly as the image,
459	but there is no need to make it bigger than the window! */
460	new_pmap_width = min (result->width, target_width);
461	new_pmap_height = min (result->height, target_height);
462
463	/* we also need to tile our image in both directions */
464	ASImage *tmp = tile_asimage (asv, result,
465	(int)result->width - x,
466	(int)result->height - y,
467	new_pmap_width,
468	new_pmap_height,
469	TINT_LEAVE_SAME, ASA_XImage,
470	100, ASIMAGE_QUALITY_DEFAULT);
471	if (tmp)
472	{
473	if (result != original_asim)
474	destroy_asimage (&result);
475
476	result = tmp;
477	}
478	}
479	}
480	else
481	{
482	/* if blending background and image - pixmap has to be sized same as target window */
483	ASImageLayer *layers = create_image_layers (2);
484
485	layers[0].im = background;
486	layers[0].clip_width = target_width;
487	layers[0].clip_height = target_height;
488	layers[0].tint = background_tint;
489	layers[1].im = result;
490
491	if (bg_flags & BG_TILE)
492	{
493	/* tile horizontally */
494	while (x > 0) x -= (int)result->width;
495	layers[1].dst_x = x;
496	layers[1].clip_width = result->width+target_width;
497	}
498	else
499	{
500	/* clip horizontally */
501	layers[1].dst_x = x;
502	layers[1].clip_width = result->width;
503	}
504
505	if (bg_flags & BG_TILE)
506	{
507	while (y > 0) y -= (int)result->height;
508	layers[1].dst_y = y;
509	layers[1].clip_height = result->height + target_height;
510	}
511	else
512	{
513	layers[1].dst_y = y;
514	layers[1].clip_height = result->height;
515	}
516
517	if (rs[Rs_blendtype])
518	{
519	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
520	if (layers[1].merge_scanlines == NULL)
521	layers[1].merge_scanlines = alphablend_scanlines;
522	}
523
524	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
525	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
526
527	if (tmp)
528	{
529	if (result != original_asim)
530	destroy_asimage (&result);
531
532	result = tmp;
533	}
534
535	free (layers);
536	}
537	}
538
539	bool ret = false;
540
541	if (result)
542	{
543	XGCValues gcv;
544	GC gc;
545
546	/* create Pixmap */
547	if (bg_pixmap == None	554	if (bg_pixmap == None
548	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
549	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
550	{	557	{
551	if (bg_pixmap)	558	if (bg_pixmap)
552	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
553	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);
554	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
555	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
556	}	563	}
557	/* fill with background color (if result's not completely overlapping it) */
558	gcv.foreground = pix_colors[Color_bg];
559	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
560		564
561	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
562	int dst_width = result->width, dst_height = result->height;
563	if (background == NULL)
564	{
565	if (!(bg_flags & BG_TILE))
566	{
567	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
568	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
569	}
570
571	if (dst_x > 0 || dst_y > 0
572	|| dst_x + dst_width < new_pmap_width
573	|| dst_y + dst_height < new_pmap_height)
574	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
575	}
576
577	/* put result on pixmap */
578	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
579	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
580
581	if (result != background && result != original_asim)
582	destroy_asimage (&result);
583
584	XFreeGC (dpy, gc);
585
586	ret = true;
587	}
588
589	if (background)
590	destroy_asimage (&background);
591
592	return ret;
593	}
594	# endif /* HAVE_AFTERIMAGE */
595
596	# ifdef HAVE_PIXBUF
597	bool
598	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
599	int src_x, int src_y, int dst_x, int dst_y,
600	unsigned int width, unsigned int height)
601	{
602	XImage *ximage;
603	char *data, *line;
604	int bytes_per_pixel;
605	int width_r, width_g, width_b;
606	int sh_r, sh_g, sh_b;
607	int rowstride;
608	int channels;
609	unsigned char *row;
610
611	if (visual->c_class != TrueColor)
612	return false;
613
614	if (depth == 24 || depth == 32)
615	bytes_per_pixel = 4;
616	else if (depth == 15 || depth == 16)
617	bytes_per_pixel = 2;
618	else
619	return false;
620
621	width_r = ecb_popcount32 (visual->red_mask);
622	width_g = ecb_popcount32 (visual->green_mask);
623	width_b = ecb_popcount32 (visual->blue_mask);
624
625	if (width_r > 8 || width_g > 8 || width_b > 8)
626	return false;
627
628	sh_r = ecb_ctz32 (visual->red_mask);
629	sh_g = ecb_ctz32 (visual->green_mask);
630	sh_b = ecb_ctz32 (visual->blue_mask);
631
632	if (width > INT_MAX / height / bytes_per_pixel)
633	return false;
634
635	data = (char *)malloc (width * height * bytes_per_pixel);
636	if (!data)
637	return false;
638
639	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
640	width, height, bytes_per_pixel * 8, 0);
641	if (!ximage)
642	{
643	free (data);
644	return false;
645	}
646
647	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
648
649	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
650	channels = gdk_pixbuf_get_n_channels (pixbuf);
651	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
652	line = data;
653
654	for (int y = 0; y < height; y++)
655	{
656	for (int x = 0; x < width; x++)
657	{
658	unsigned char *pixel = row + x * channels;
659	uint32_t value;
660
661	value = ((pixel[0] >> (8 - width_r)) << sh_r)
662	| ((pixel[1] >> (8 - width_g)) << sh_g)
663	| ((pixel[2] >> (8 - width_b)) << sh_b);
664
665	if (bytes_per_pixel == 4)
666	((uint32_t *)line)[x] = value;
667	else
668	((uint16_t *)line)[x] = value;
669	}
670
671	row += rowstride;
672	line += ximage->bytes_per_line;
673	}
674
675	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
676	XDestroyImage (ximage);
677	return true;
678	}
679
680	bool
681	rxvt_term::render_image (unsigned long tr_flags)
682	{
683	if (!pixbuf)
684	return false;
685
686	if (tr_flags
687	&& !(bg_flags & BG_HAS_RENDER))
688	return false;
689
690	GdkPixbuf *result;
691
692	int image_width = gdk_pixbuf_get_width (pixbuf);
693	int image_height = gdk_pixbuf_get_height (pixbuf);
694
695	int target_width = szHint.width;
696	int target_height = szHint.height;
697	int new_pmap_width = target_width;
698	int new_pmap_height = target_height;
699
700	int x = 0;
701	int y = 0;
702	int w = 0;
703	int h = 0;
704
705	get_image_geometry (image_width, image_height, w, h, x, y);
706
707	if (!(bg_flags & BG_ROOT_ALIGN)
708	&& (x >= target_width
709	|| y >= target_height
710	|| x + w <= 0
711	|| y + h <= 0))
712	return false;
713
714	result = pixbuf;
715
716	if (w != image_width
717	|| h != image_height)
718	{
719	result = gdk_pixbuf_scale_simple (pixbuf,
720	w, h,
721	GDK_INTERP_BILINEAR);
722	}
723
724	if (!result)
725	return false;
726
727	bool ret = false;
728
729	XGCValues gcv;
730	GC gc;
731	Pixmap root_pmap;
732
733	image_width = gdk_pixbuf_get_width (result);
734	image_height = gdk_pixbuf_get_height (result);
735
736	if (tr_flags)
737	{
738	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
739	bg_pixmap = None;
740	}
741	else
742	{
743	if (bg_flags & BG_TILE)
744	{
745	new_pmap_width = min (image_width, target_width);
746	new_pmap_height = min (image_height, target_height);
747	}
748	}
749
750	if (bg_pixmap == None
751	|| bg_pmap_width != new_pmap_width
752	|| bg_pmap_height != new_pmap_height)
753	{
754	if (bg_pixmap)
755	XFreePixmap (dpy, bg_pixmap);
756	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
757	bg_pmap_width = new_pmap_width;
758	bg_pmap_height = new_pmap_height;
759	}	566	}
760		567
761	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
762	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
763		570
764	if (gc)	571	if (gc)
765	{	572	{
766	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
767	{	574	{
768	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
769	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
770	0, 0,	577	0, 0,
771	0, 0,	578	0, 0,
772	image_width, image_height);	579	image_width, image_height, need_blend);
773		580
774	gcv.tile = tile;	581	gcv.tile = tile;
775	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
776	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
777	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
778	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
779		586
780	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);
781	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
782	}	589	}
783	else	590	else
784	{	591	{
785	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
789	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);
790		597
791	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
792	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
793	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
794	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);
795		602
796	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
797	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
798	src_x, src_y,	605	src_x, src_y,
799	dst_x, dst_y,	606	dst_x, dst_y,
800	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
801	}	608	}
802		609
803	#if XRENDER	610	#if XRENDER
804	if (tr_flags)	611	if (need_blend)
805	{	612	{
806	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
807
808	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
809	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
810		617
811	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
812	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
813		619
814	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
815	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
816	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
817	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
818	XFreePixmap (dpy, mask_pmap);
819		621
820	XRenderColor mask_c;	622	XRenderColor mask_c;
821		623
822	mask_c.alpha = 0x8000;	624	mask_c.alpha = image.alpha;
823	mask_c.red = 0;	625	mask_c.red =
824	mask_c.green = 0;	626	mask_c.green =
825	mask_c.blue = 0;	627	mask_c.blue = 0;
826	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
827	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);
828		631
829	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
830	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
831	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
838	}	641	}
839		642
840	if (result != pixbuf)	643	if (result != pixbuf)
841	g_object_unref (result);	644	g_object_unref (result);
842		645
843	if (tr_flags)	646	if (need_blend)
844	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
845		648
846	return ret;	649	return ret;
847	}	650	}
848	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
849		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 =
		689	flags =
		690	h_scale =
		691	v_scale =
		692	h_align =
		693	v_align = 0;
		694
		695	# ifdef HAVE_PIXBUF
		696	pixbuf = 0;
		697	# endif
		698	}
		699
850	bool	700	bool
851	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
852	{	702	{
853	if (!file || !*file)	703	if (!file || !*file)
854	return false;	704	return false;
855		705
856	bool ret = false;
857	const char *p = strchr (file, ';');	706	const char *p = strchr (file, ';');
858		707
859	if (p)	708	if (p)
860	{	709	{
861	size_t len = p - file;	710	size_t len = p - file;
…		…
863	memcpy (f, file, len);	712	memcpy (f, file, len);
864	f[len] = '\0';	713	f[len] = '\0';
865	file = f;	714	file = f;
866	}	715	}
867		716
868	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
869	if (!asimman)	718	alpha = 0x8000;
870	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret && p)
871	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p + 1);
872	if (image)	721	return ret;
873	{	722	}
874	if (original_asim)	723
875	safe_asimage_destroy (original_asim);	724	bool
876	original_asim = image;	725	rxvt_image::set_file (const char *file)
877	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
878	ret = true;	727	bool ret = false;
879	}
880	# endif
881		728
882	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
883	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
884	if (image)	731	if (image)
885	{	732	{
886	if (pixbuf)	733	if (pixbuf)
887	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
888	pixbuf = image;	735	pixbuf = image;
889	bg_flags |= BG_IS_FROM_FILE;
890	ret = true;	736	ret = true;
891	}	737	}
892	# endif	738	# endif
893		739
894	if (ret)	740	if (ret)
895	{	741	{
896	if (p)	742	alpha = 0xffff;
897	bg_set_geometry (p + 1);	743	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
898	else	744	h_scale = v_scale = defaultScale;
899	bg_set_default_geometry ();	745	h_align = v_align = defaultAlign;
900	}	746	}
901		747
902	return ret;	748	return ret;
903	}	749	}
904		750
905	# endif /* BG_IMAGE_FROM_FILE */	751	# endif /* BG_IMAGE_FROM_FILE */
906		752
907	# ifdef ENABLE_TRANSPARENCY	753	# ifdef ENABLE_TRANSPARENCY
908	bool
909	rxvt_term::bg_set_transparent ()
910	{
911	if (!(bg_flags & BG_IS_TRANSPARENT))
912	{
913	bg_flags |= BG_IS_TRANSPARENT;
914	return true;
915	}
916
917	return false;
918	}
919
920	bool	754	bool
921	rxvt_term::bg_set_blur (const char *geom)	755	rxvt_term::bg_set_blur (const char *geom)
922	{	756	{
923	bool changed = false;	757	bool changed = false;
924	unsigned int hr, vr;	758	unsigned int hr, vr;
…		…
943	{	777	{
944	changed = true;	778	changed = true;
945	v_blurRadius = vr;	779	v_blurRadius = vr;
946	}	780	}
947		781
948	if (v_blurRadius == 0 && h_blurRadius == 0)
949	bg_flags &= ~BG_NEEDS_BLUR;
950	else
951	bg_flags |= BG_NEEDS_BLUR;
952
953	return changed;	782	return changed;
954	}	783	}
955		784
956	void
957	rxvt_term::set_tint_shade_flags ()
958	{
959	rgba c;
960	bool has_shade = shade != 100;
961
962	bg_flags &= ~BG_TINT_FLAGS;
963
964	tint.get (c);
965
966	if (!has_shade
967	&& (c.r <= 0x00ff || c.r >= 0xff00)
968	&& (c.g <= 0x00ff || c.g >= 0xff00)
969	&& (c.b <= 0x00ff || c.b >= 0xff00))
970	bg_flags |= BG_TINT_BITAND;
971
972	if (has_shade
973	|| c.r < 0xff00
974	|| c.g < 0xff00
975	|| c.b < 0xff00)
976	bg_flags |= BG_NEEDS_TINT;
977	}
978
979	bool	785	bool
980	rxvt_term::bg_set_tint (rxvt_color &new_tint)	786	rxvt_term::bg_set_tint (rxvt_color &new_tint)
981	{	787	{
982	if (tint != new_tint)	788	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
983	{	789	{
984	tint = new_tint;	790	tint = new_tint;
985	set_tint_shade_flags ();	791	bg_flags |= BG_TINT_SET;
		792
		793	rgba c;
		794	tint.get (c);
		795	if ((c.r <= 0x00ff || c.r >= 0xff00)
		796	&& (c.g <= 0x00ff || c.g >= 0xff00)
		797	&& (c.b <= 0x00ff || c.b >= 0xff00))
		798	bg_flags |= BG_TINT_BITAND;
		799	else
		800	bg_flags &= ~BG_TINT_BITAND;
		801
986	return true;	802	return true;
987	}	803	}
988		804
989	return false;	805	return false;
990	}	806	}
…		…
999	new_shade = 200 - (100 + new_shade);	815	new_shade = 200 - (100 + new_shade);
1000		816
1001	if (new_shade != shade)	817	if (new_shade != shade)
1002	{	818	{
1003	shade = new_shade;	819	shade = new_shade;
1004	set_tint_shade_flags ();
1005	return true;	820	return true;
1006	}	821	}
1007		822
1008	return false;	823	return false;
1009	}	824	}
…		…
1030	params[i+2] = XDoubleToFixed (kernel[i] / sum);	845	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1031	}	846	}
1032	#endif	847	#endif
1033		848
1034	bool	849	bool
1035	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1036	{	851	{
1037	bool ret = false;	852	bool ret = false;
1038	#if XRENDER	853	#if XRENDER
1039	if (!(bg_flags & BG_HAS_RENDER_CONV))	854	if (!(bg_flags & BG_HAS_RENDER_CONV))
1040	return false;	855	return false;
…		…
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	859	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		860
1046	XRenderPictureAttributes pa;	861	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	862	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		863
		864	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	865	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		866	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	867	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		868	XFreePixmap (dpy, tmp);
1051		869
1052	if (kernel && params)	870	if (kernel && params)
1053	{	871	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	872	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	873	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		874
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	875	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	876	XRenderComposite (dpy,
1061	PictOpSrc,	877	PictOpSrc,
1062	src,	878	src,
1063	None,	879	None,
1064	dst,	880	dst,
1065	0, 0,	881	0, 0,
1066	0, 0,	882	0, 0,
1067	0, 0,	883	0, 0,
1068	width, height);	884	width, height);
1069	}
1070		885
1071	if (v_blurRadius)	886	::swap (src, dst);
1072	{	887
1073	size = v_blurRadius * 2 + 1;	888	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	889	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	890	::swap (params[0], params[1]);
1076		891
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	892	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	893	XRenderComposite (dpy,
1079	PictOpSrc,	894	PictOpSrc,
1080	src,	895	src,
1081	None,	896	None,
1082	dst,	897	dst,
1083	0, 0,	898	0, 0,
1084	0, 0,	899	0, 0,
1085	0, 0,	900	0, 0,
1086	width, height);	901	width, height);
1087	}
1088		902
1089	ret = true;	903	ret = true;
1090	}	904	}
1091		905
1092	free (kernel);	906	free (kernel);
…		…
1096	#endif	910	#endif
1097	return ret;	911	return ret;
1098	}	912	}
1099		913
1100	bool	914	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	915	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1102	{	916	{
1103	bool ret = false;	917	bool ret = false;
1104		918
1105	if (bg_flags & BG_TINT_BITAND)	919	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	920	{
1107	XGCValues gcv;	921	XGCValues gcv;
1108	GC gc;	922	GC gc;
1109		923
1110	/* In this case we can tint image server-side getting significant	924	/* In this case we can tint image server-side getting significant
…		…
1122	}	936	}
1123	}	937	}
1124	# if XRENDER	938	# if XRENDER
1125	else if (bg_flags & BG_HAS_RENDER)	939	else if (bg_flags & BG_HAS_RENDER)
1126	{	940	{
1127	rgba c;	941	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		942
		943	if (bg_flags & BG_TINT_SET)
1129	tint.get (c);	944	tint.get (c);
1130		945
1131	if (shade <= 100)	946	if (shade <= 100)
1132	{	947	{
1133	c.r = c.r * shade / 100;	948	c.r = c.r * shade / 100;
1134	c.g = c.g * shade / 100;	949	c.g = c.g * shade / 100;
…		…
1139	c.r = c.r * (200 - shade) / 100;	954	c.r = c.r * (200 - shade) / 100;
1140	c.g = c.g * (200 - shade) / 100;	955	c.g = c.g * (200 - shade) / 100;
1141	c.b = c.b * (200 - shade) / 100;	956	c.b = c.b * (200 - shade) / 100;
1142	}	957	}
1143		958
1144	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1145	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	959	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1146	XRenderPictureAttributes pa;
1147		960
1148	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	961	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1149		962
1150	pa.repeat = True;	963	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1151		964
1152	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	965	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1153	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1154	XFreePixmap (dpy, overlay_pmap);
1155
1156	pa.component_alpha = True;
1157	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1158	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1159	XFreePixmap (dpy, mask_pmap);
1160		966
1161	XRenderColor mask_c;	967	XRenderColor mask_c;
1162		968
1163	mask_c.alpha = 0xffff;	969	mask_c.alpha = 0xffff;
1164	mask_c.red =	970	mask_c.red =
…		…
1169	mask_c.alpha = 0;	975	mask_c.alpha = 0;
1170	mask_c.red = 0xffff - c.r;	976	mask_c.red = 0xffff - c.r;
1171	mask_c.green = 0xffff - c.g;	977	mask_c.green = 0xffff - c.g;
1172	mask_c.blue = 0xffff - c.b;	978	mask_c.blue = 0xffff - c.b;
1173	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	979	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		980
1174	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	981	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1175		982
1176	if (shade > 100)	983	if (shade > 100)
1177	{	984	{
1178	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1179	mask_c.alpha = 0;	985	mask_c.alpha = 0;
		986	mask_c.red =
		987	mask_c.green =
		988	mask_c.blue = 0xffff * (shade - 100) / 100;
1180	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	989	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1181		990
1182	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	991	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1183	}	992	}
1184		993
…		…
1196	/*	1005	/*
1197	* Builds a pixmap of the same size as the terminal window that contains	1006	* Builds a pixmap of the same size as the terminal window that contains
1198	* the tiled portion of the root pixmap that is supposed to be covered by	1007	* the tiled portion of the root pixmap that is supposed to be covered by
1199	* our window.	1008	* our window.
1200	*/	1009	*/
1201	unsigned long	1010	bool
1202	rxvt_term::make_transparency_pixmap ()	1011	rxvt_term::make_transparency_pixmap ()
1203	{	1012	{
1204	unsigned long result = 0;	1013	bool ret = false;
1205		1014
1206	/* root dimensions may change from call to call - but Display structure should	1015	/* root dimensions may change from call to call - but Display structure should
1207	* be always up-to-date, so let's use it :	1016	* be always up-to-date, so let's use it :
1208	*/	1017	*/
1209	int screen = display->screen;	1018	int screen = display->screen;
…		…
1247	#if XRENDER	1056	#if XRENDER
1248	if (bg_flags & BG_HAS_RENDER)	1057	if (bg_flags & BG_HAS_RENDER)
1249	{	1058	{
1250	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1059	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1251		1060
1252	XRenderPictureAttributes pa;
1253
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1061	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1062	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1256		1063
1257	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1064	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1258	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1065	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1259		1066
1260	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1067	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1261		1068
1262	XRenderFreePicture (dpy, src);	1069	XRenderFreePicture (dpy, src);
1263	XRenderFreePicture (dpy, dst);	1070	XRenderFreePicture (dpy, dst);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1099	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1100
1294	if (gc)	1101	if (gc)
1295	{	1102	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1103	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1104	ret = true;
1298	XFreeGC (dpy, gc);	1105	bool need_blur = h_blurRadius && v_blurRadius;
		1106	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1299		1107
1300	if (!(bg_flags & BG_CLIENT_RENDER))	1108	if (!(bg_flags & BG_CLIENT_RENDER))
1301	{	1109	{
1302	if (bg_flags & BG_NEEDS_BLUR)	1110	if (need_blur)
1303	{	1111	{
1304	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (blur_pixmap (bg_pixmap, window_width, window_height))
1305	result &= ~BG_NEEDS_BLUR;	1113	need_blur = false;
1306	}	1114	}
1307	if (bg_flags & BG_NEEDS_TINT)	1115	if (need_tint)
1308	{	1116	{
1309	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1117	if (tint_pixmap (bg_pixmap, window_width, window_height))
1310	result &= ~BG_NEEDS_TINT;	1118	need_tint = false;
		1119	}
		1120	if (need_tint)
		1121	{
		1122	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1123	if (ximage)
		1124	{
		1125	/* our own client-side tinting */
		1126	tint_ximage (ximage);
		1127
		1128	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1129	XDestroyImage (ximage);
		1130	}
1311	}	1131	}
1312	} /* server side rendering completed */	1132	} /* server side rendering completed */
		1133
		1134	XFreeGC (dpy, gc);
1313	}	1135	}
1314		1136
1315	if (recoded_root_pmap != root_pixmap)	1137	if (recoded_root_pmap != root_pixmap)
1316	XFreePixmap (dpy, recoded_root_pmap);	1138	XFreePixmap (dpy, recoded_root_pmap);
1317		1139
1318	return result;	1140	return ret;
1319	}	1141	}
1320		1142
1321	void	1143	void
1322	rxvt_term::bg_set_root_pixmap ()	1144	rxvt_term::bg_set_root_pixmap ()
1323	{	1145	{
…		…
1330	# endif /* ENABLE_TRANSPARENCY */	1152	# endif /* ENABLE_TRANSPARENCY */
1331		1153
1332	bool	1154	bool
1333	rxvt_term::bg_render ()	1155	rxvt_term::bg_render ()
1334	{	1156	{
1335	unsigned long tr_flags = 0;
1336
1337	bg_invalidate ();	1157	bg_invalidate ();
1338	# ifdef ENABLE_TRANSPARENCY	1158	# ifdef ENABLE_TRANSPARENCY
1339	if (bg_flags & BG_IS_TRANSPARENT)	1159	if (bg_flags & BG_IS_TRANSPARENT)
1340	{	1160	{
1341	/* we need to re-generate transparency pixmap in that case ! */	1161	/* we need to re-generate transparency pixmap in that case ! */
1342	tr_flags = make_transparency_pixmap ();	1162	if (make_transparency_pixmap ())
1343	if (tr_flags == 0)
1344	return false;
1345	bg_flags |= BG_IS_VALID;	1163	bg_flags |= BG_IS_VALID;
1346	}	1164	}
1347	# endif	1165	# endif
1348		1166
1349	# ifdef BG_IMAGE_FROM_FILE	1167	# ifdef BG_IMAGE_FROM_FILE
1350	if ((bg_flags & BG_IS_FROM_FILE)	1168	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1351	|| (tr_flags & BG_EFFECTS_FLAGS))
1352	{	1169	{
1353	if (render_image (tr_flags))	1170	if (render_image (*bg_image))
1354	bg_flags |= BG_IS_VALID;	1171	bg_flags |= BG_IS_VALID;
1355	}
1356	# endif
1357
1358	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1359	XImage *result = NULL;
1360
1361	if (tr_flags & BG_NEEDS_TINT)
1362	{
1363	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1364	}
1365
1366	if (result)
1367	{
1368	/* our own client-side tinting */
1369	//if (tr_flags & BG_NEEDS_TINT)
1370	if (1)
1371	tint_ximage (DefaultVisual (dpy, display->screen), result);
1372
1373	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1374
1375	if (gc)
1376	{
1377	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1378
1379	XFreeGC (dpy, gc);
1380	}
1381
1382	XDestroyImage (result);
1383	}	1172	}
1384	# endif	1173	# endif
1385		1174
1386	if (!(bg_flags & BG_IS_VALID))	1175	if (!(bg_flags & BG_IS_VALID))
1387	{	1176	{
…		…
1402		1191
1403	void	1192	void
1404	rxvt_term::bg_init ()	1193	rxvt_term::bg_init ()
1405	{	1194	{
1406	#ifdef ENABLE_TRANSPARENCY	1195	#ifdef ENABLE_TRANSPARENCY
1407	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1408	tint.set (this, c);
1409	shade = 100;	1196	shade = 100;
1410	#endif	1197	#endif
1411		1198
1412	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1199	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1413	#if XRENDER	1200	#if XRENDER
…		…
1422	bg_flags |= BG_HAS_RENDER_CONV;	1209	bg_flags |= BG_HAS_RENDER_CONV;
1423		1210
1424	XFree (filters);	1211	XFree (filters);
1425	}	1212	}
1426	#endif	1213	#endif
		1214
		1215	#ifdef BG_IMAGE_FROM_FILE
		1216	if (rs[Rs_backgroundPixmap])
		1217	{
		1218	rxvt_image *image = new_image ();
		1219	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1220	image_vec.pop_back ();
		1221	}
		1222
		1223	# ifndef NO_RESOURCES
		1224	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1225	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1226	while (bg_image != image_vec.end ())
		1227	{
		1228	if (!(bg_image->flags & IM_IS_SET))
		1229	bg_image = image_vec.erase (bg_image);
		1230	else
		1231	bg_image++;
		1232	}
		1233	# endif
		1234
		1235	if (image_vec.size () > 0
		1236	&& !bg_window_position_sensitive ())
		1237	update_background ();
		1238	#endif
1427	}	1239	}
1428		1240
1429	#endif /* HAVE_BG_PIXMAP */	1241	#endif /* HAVE_BG_PIXMAP */
1430		1242
1431	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1243	#ifdef ENABLE_TRANSPARENCY
1432	/* based on code from aterm-0.4.2 */	1244	/* based on code from aterm-0.4.2 */
1433		1245
1434	static inline void	1246	static inline void
1435	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1247	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1436	{	1248	{
…		…
1442	lookup[i] = (tmp / 0xffff) << sh;	1254	lookup[i] = (tmp / 0xffff) << sh;
1443	}	1255	}
1444	}	1256	}
1445		1257
1446	void	1258	void
1447	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1259	rxvt_term::tint_ximage (XImage *ximage)
1448	{	1260	{
		1261	unsigned int size_r, size_g, size_b;
1449	int sh_r, sh_g, sh_b;	1262	int sh_r, sh_g, sh_b;
1450	uint32_t mask_r, mask_g, mask_b;	1263	uint32_t mask_r, mask_g, mask_b;
1451	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1264	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1452	unsigned short low;	1265	unsigned short low;
1453	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1266	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1458	mask_r = visual->red_mask;	1271	mask_r = visual->red_mask;
1459	mask_g = visual->green_mask;	1272	mask_g = visual->green_mask;
1460	mask_b = visual->blue_mask;	1273	mask_b = visual->blue_mask;
1461		1274
1462	/* boring lookup table pre-initialization */	1275	/* boring lookup table pre-initialization */
1463	switch (ximage->depth)	1276	sh_r = ecb_ctz32 (mask_r);
1464	{	1277	sh_g = ecb_ctz32 (mask_g);
1465	case 15:	1278	sh_b = ecb_ctz32 (mask_b);
1466	if ((mask_r != 0x7c00) ||	1279
1467	(mask_g != 0x03e0) ||	1280	size_r = mask_r >> sh_r;
1468	(mask_b != 0x001f))	1281	size_g = mask_g >> sh_g;
		1282	size_b = mask_b >> sh_b;
		1283
		1284	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1469	return;	1285	return;
1470	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1286
		1287	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1471	lookup_r = lookup;	1288	lookup_r = lookup;
1472	lookup_g = lookup+32;	1289	lookup_g = lookup + size_r;
1473	lookup_b = lookup+32+32;	1290	lookup_b = lookup + size_r + size_g;
1474	sh_r = 10;
1475	sh_g = 5;
1476	sh_b = 0;
1477	break;
1478	case 16:
1479	if ((mask_r != 0xf800) ||
1480	(mask_g != 0x07e0) ||
1481	(mask_b != 0x001f))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1484	lookup_r = lookup;
1485	lookup_g = lookup+32;
1486	lookup_b = lookup+32+64;
1487	sh_r = 11;
1488	sh_g = 5;
1489	sh_b = 0;
1490	break;
1491	case 24:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	case 32:
1505	if ((mask_r != 0xff0000) ||
1506	(mask_g != 0x00ff00) ||
1507	(mask_b != 0x0000ff))
1508	return;
1509	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1510	lookup_r = lookup;
1511	lookup_g = lookup+256;
1512	lookup_b = lookup+256+256;
1513	sh_r = 16;
1514	sh_g = 8;
1515	sh_b = 0;
1516	break;
1517	default:
1518	return; /* we do not support this color depth */
1519	}
1520		1291
1521	rgba c;	1292	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1522		1293
		1294	if (bg_flags & BG_TINT_SET)
1523	tint.get (c);	1295	tint.get (c);
1524		1296
1525	/* prepare limits for color transformation (each channel is handled separately) */	1297	/* prepare limits for color transformation (each channel is handled separately) */
1526	if (shade > 100)	1298	if (shade > 100)
1527	{	1299	{
1528	c.r = c.r * (200 - shade) / 100;	1300	c.r = c.r * (200 - shade) / 100;
…		…
1545	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1317	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1546	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1318	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1547		1319
1548	/* apply table to input image (replacing colors by newly calculated ones) */	1320	/* apply table to input image (replacing colors by newly calculated ones) */
1549	if (ximage->bits_per_pixel == 32	1321	if (ximage->bits_per_pixel == 32
1550	&& (ximage->depth == 24 || ximage->depth == 32)
1551	&& ximage->byte_order == host_byte_order)	1322	&& ximage->byte_order == host_byte_order)
1552	{	1323	{
1553	uint32_t *p1, *pf, *p, *pl;	1324	char *line = ximage->data;
1554	p1 = (uint32_t *) ximage->data;
1555	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1556		1325
1557	while (p1 < pf)	1326	for (int y = 0; y < ximage->height; y++)
1558	{	1327	{
1559	p = p1;	1328	uint32_t *p = (uint32_t *)line;
1560	pl = p1 + ximage->width;	1329	for (int x = 0; x < ximage->width; x++)
1561	for (; p < pl; p++)
1562	{	1330	{
1563	*p = lookup_r[(*p & 0xff0000) >> 16] |	1331	*p = lookup_r[(*p & mask_r) >> sh_r] |
1564	lookup_g[(*p & 0x00ff00) >> 8] |	1332	lookup_g[(*p & mask_g) >> sh_g] |
1565	lookup_b[(*p & 0x0000ff)] |	1333	lookup_b[(*p & mask_b) >> sh_b];
1566	(*p & 0xff000000);	1334	p++;
1567	}	1335	}
1568	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1336	line += ximage->bytes_per_line;
1569	}	1337	}
1570	}	1338	}
1571	else	1339	else
1572	{	1340	{
1573	for (int y = 0; y < ximage->height; y++)	1341	for (int y = 0; y < ximage->height; y++)
…		…
1581	}	1349	}
1582	}	1350	}
1583		1351
1584	free (lookup);	1352	free (lookup);
1585	}	1353	}
1586	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1354	#endif /* ENABLE_TRANSPARENCY */

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