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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.174 by sf-exg, Wed Nov 23 16:53:53 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>
…		…
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 = bg_flags & ~BG_GEOMETRY_FLAGS;	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_PROP_SCALE;
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=pscale"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	218	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	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_PROP_SCALE;	231	new_flags |= IM_KEEP_ASPECT;
		232	w = h = windowScale;
		233	geom_flags |= WidthValue|HeightValue;
247	}	234	}
248	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
249	{	236	{
250	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
251	w = windowScale;	238	w = windowScale;
252	h = noScale;	239	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
254	}	241	}
255	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
256	{	243	{
257	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
258	h = windowScale;	245	h = windowScale;
259	w = noScale;	246	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
261	}	248	}
262	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	257	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	259	}
273	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
274	{	261	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	263	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
278	}	265	}
279		266
280	else	267	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	268	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	269	} /* done parsing ops */
283		270
284	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
285	}	272	}
		273
		274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		275
287	if (!update)	276	if (!update)
288	{	277	{
289	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	284	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
297	h = w;	286	h = w;
298	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
299	w = h;	288	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)
305	|| check_set_scale_value (geom_flags, HeightValue, v_scale, h)
306	|| check_set_align_value (geom_flags, XValue, h_align, x)
307	|| check_set_align_value (geom_flags, YValue, v_align, y))
308	changed = true;
309
310	if (new_flags != bg_flags)
311	{	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	{
312	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
313	changed = true;	305	changed = true;
314	}	306	}
315		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
316	return changed;	315	return changed;
317	}	316	}
318		317
319	void	318	void
320	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)
321	{	320	{
		321	int image_width = image.width ();
		322	int image_height = image.height ();
322	int target_width = szHint.width;	323	int target_width = szHint.width;
323	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);
324		327
325	w = h_scale * target_width / 100;	328	w = h_scale * target_width / 100;
326	h = v_scale * target_height / 100;	329	h = v_scale * target_height / 100;
327		330
328	if (bg_flags & BG_PROP_SCALE)	331	if (image.flags & IM_KEEP_ASPECT)
329	{	332	{
330	float scale = (float)w / image_width;	333	float scale = (float)w / image_width;
331	min_it (scale, (float)h / image_height);	334	min_it (scale, (float)h / image_height);
332	w = image_width * scale + 0.5;	335	w = image_width * scale + 0.5;
333	h = image_height * scale + 0.5;	336	h = image_height * scale + 0.5;
334	}	337	}
335		338
336	if (!w) w = image_width;	339	if (!w) w = image_width;
337	if (!h) h = image_height;	340	if (!h) h = image_height;
338		341
339	if (bg_flags & BG_ROOT_ALIGN)	342	if (image.flags & IM_ROOT_ALIGN)
340	{	343	{
341	x = -target_x;	344	x = -target_x;
342	y = -target_y;	345	y = -target_y;
343	}	346	}
344	else	347	else
345	{	348	{
346	x = make_align_position (h_align, target_width, w);	349	x = make_align_position (image.h_align, target_width, w);
347	y = make_align_position (v_align, target_height, h);	350	y = make_align_position (image.v_align, target_height, h);
348	}
349
350	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
351	if (!(bg_flags & BG_TILE)
352	|| h_scale || v_scale
353	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
354	|| w > target_width || h > target_height)
355	bg_flags |= BG_IS_SIZE_SENSITIVE;
356	}
357
358	# ifdef HAVE_AFTERIMAGE
359	bool
360	rxvt_term::render_image (unsigned long tr_flags)
361	{
362	init_asv ();
363
364	ASImage *background = NULL;
365	ARGB32 background_tint = TINT_LEAVE_SAME;
366
367	# ifdef ENABLE_TRANSPARENCY
368	if (tr_flags)
369	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
370
371	if (tr_flags & BG_NEEDS_TINT)
372	{	351	}
373	ShadingInfo as_shade;	352	}
374	as_shade.shading = shade;
375		353
376	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	354	# ifdef HAVE_PIXBUF
377	if (bg_flags & BG_TINT_SET)	355	bool
378	tint.get (c);	356	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
379	as_shade.tintColor.red = c.r;	357	int src_x, int src_y, int dst_x, int dst_y,
380	as_shade.tintColor.green = c.g;	358	unsigned int width, unsigned int height, bool argb)
381	as_shade.tintColor.blue = c.b;	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;
382		368
383	background_tint = shading2tint32 (&as_shade);	369	if (visual->c_class != TrueColor)
		370	return false;
		371
		372	if (argb)
384	}	373	{
385		374	red_mask = 0xff << 16;
386	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	375	green_mask = 0xff << 8;
		376	blue_mask = 0xff;
		377	alpha_mask = 0xff << 24;
387	{	378	}
388	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	379	else
389	ASA_XImage,	380	{
390	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);
391	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)
392	{	447	{
393	destroy_asimage (&background);	448	a = pixel[3];
394	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);
395	}	470	}
396	}
397	# endif
398		471
399	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);
400		498
401	int target_width = szHint.width;	499	int target_width = szHint.width;
402	int target_height = szHint.height;	500	int target_height = szHint.height;
403	int new_pmap_width = target_width;	501	int new_pmap_width = target_width;
404	int new_pmap_height = target_height;	502	int new_pmap_height = target_height;
…		…
406	int x = 0;	504	int x = 0;
407	int y = 0;	505	int y = 0;
408	int w = 0;	506	int w = 0;
409	int h = 0;	507	int h = 0;
410		508
411	if (original_asim)	509	get_image_geometry (image, w, h, x, y);
412	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
413		510
414	if (!original_asim	511	if (!(image.flags & IM_ROOT_ALIGN)
415	|| (!(bg_flags & BG_ROOT_ALIGN)
416	&& (x >= target_width	512	&& (x >= target_width
417	|| y >= target_height	513	|| y >= target_height
418	|| x + w <= 0	514	|| x + w <= 0
419	|| 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);
420	{	526	}
421	if (background)
422	{
423	new_pmap_width = background->width;
424	new_pmap_height = background->height;
425	result = background;
426		527
427	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)
428	{	549	{
429	ASImage *tmp = tile_asimage (asv, background, 0, 0,	550	new_pmap_width = min (image_width, target_width);
430	target_width, target_height, background_tint,	551	new_pmap_height = min (image_height, target_height);
431	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
432	if (tmp)
433	result = tmp;
434	}
435	}	552	}
436	else
437	new_pmap_width = new_pmap_height = 0;
438	}
439	else
440	{
441	result = original_asim;
442		553
443	if (w != original_asim->width
444	|| h != original_asim->height)
445	{
446	result = scale_asimage (asv, original_asim,
447	w, h,
448	ASA_XImage,
449	100, ASIMAGE_QUALITY_DEFAULT);
450	}
451
452	if (background == NULL)
453	{
454	if (bg_flags & BG_TILE)
455	{
456	/* if tiling - pixmap has to be sized exactly as the image,
457	but there is no need to make it bigger than the window! */
458	new_pmap_width = min (result->width, target_width);
459	new_pmap_height = min (result->height, target_height);
460
461	/* we also need to tile our image in both directions */
462	ASImage *tmp = tile_asimage (asv, result,
463	(int)result->width - x,
464	(int)result->height - y,
465	new_pmap_width,
466	new_pmap_height,
467	TINT_LEAVE_SAME, ASA_XImage,
468	100, ASIMAGE_QUALITY_DEFAULT);
469	if (tmp)
470	{
471	if (result != original_asim)
472	destroy_asimage (&result);
473
474	result = tmp;
475	}
476	}
477	}
478	else
479	{
480	/* if blending background and image - pixmap has to be sized same as target window */
481	ASImageLayer *layers = create_image_layers (2);
482
483	layers[0].im = background;
484	layers[0].clip_width = target_width;
485	layers[0].clip_height = target_height;
486	layers[0].tint = background_tint;
487	layers[1].im = result;
488
489	if (bg_flags & BG_TILE)
490	{
491	/* tile horizontally */
492	while (x > 0) x -= (int)result->width;
493	layers[1].dst_x = x;
494	layers[1].clip_width = result->width+target_width;
495	}
496	else
497	{
498	/* clip horizontally */
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width;
501	}
502
503	if (bg_flags & BG_TILE)
504	{
505	while (y > 0) y -= (int)result->height;
506	layers[1].dst_y = y;
507	layers[1].clip_height = result->height + target_height;
508	}
509	else
510	{
511	layers[1].dst_y = y;
512	layers[1].clip_height = result->height;
513	}
514
515	if (rs[Rs_blendtype])
516	{
517	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
518	if (layers[1].merge_scanlines == NULL)
519	layers[1].merge_scanlines = alphablend_scanlines;
520	}
521
522	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
523	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
524
525	if (tmp)
526	{
527	if (result != original_asim)
528	destroy_asimage (&result);
529
530	result = tmp;
531	}
532
533	free (layers);
534	}
535	}
536
537	bool ret = false;
538
539	if (result)
540	{
541	XGCValues gcv;
542	GC gc;
543
544	/* create Pixmap */
545	if (bg_pixmap == None	554	if (bg_pixmap == None
546	|| bg_pmap_width != new_pmap_width	555	|| bg_pmap_width != new_pmap_width
547	|| bg_pmap_height != new_pmap_height)	556	|| bg_pmap_height != new_pmap_height)
548	{	557	{
549	if (bg_pixmap)	558	if (bg_pixmap)
550	XFreePixmap (dpy, bg_pixmap);	559	XFreePixmap (dpy, bg_pixmap);
551	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);
552	bg_pmap_width = new_pmap_width;	561	bg_pmap_width = new_pmap_width;
553	bg_pmap_height = new_pmap_height;	562	bg_pmap_height = new_pmap_height;
554	}	563	}
555	/* fill with background color (if result's not completely overlapping it) */
556	gcv.foreground = pix_colors[Color_bg];
557	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
558		564
559	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
560	int dst_width = result->width, dst_height = result->height;
561	if (background == NULL)
562	{
563	if (!(bg_flags & BG_TILE))
564	{
565	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
566	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
567	}
568
569	if (dst_x > 0 || dst_y > 0
570	|| dst_x + dst_width < new_pmap_width
571	|| dst_y + dst_height < new_pmap_height)
572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
573	}
574
575	/* put result on pixmap */
576	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
577	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
578
579	if (result != background && result != original_asim)
580	destroy_asimage (&result);
581
582	XFreeGC (dpy, gc);
583
584	ret = true;
585	}
586
587	if (background)
588	destroy_asimage (&background);
589
590	return ret;
591	}
592	# endif /* HAVE_AFTERIMAGE */
593
594	# ifdef HAVE_PIXBUF
595	bool
596	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
597	int src_x, int src_y, int dst_x, int dst_y,
598	unsigned int width, unsigned int height)
599	{
600	XImage *ximage;
601	char *data, *line;
602	int bytes_per_pixel;
603	int width_r, width_g, width_b;
604	int sh_r, sh_g, sh_b;
605	int rowstride;
606	int channels;
607	unsigned char *row;
608
609	if (visual->c_class != TrueColor)
610	return false;
611
612	if (depth == 24 || depth == 32)
613	bytes_per_pixel = 4;
614	else if (depth == 15 || depth == 16)
615	bytes_per_pixel = 2;
616	else
617	return false;
618
619	width_r = ecb_popcount32 (visual->red_mask);
620	width_g = ecb_popcount32 (visual->green_mask);
621	width_b = ecb_popcount32 (visual->blue_mask);
622
623	if (width_r > 8 || width_g > 8 || width_b > 8)
624	return false;
625
626	sh_r = ecb_ctz32 (visual->red_mask);
627	sh_g = ecb_ctz32 (visual->green_mask);
628	sh_b = ecb_ctz32 (visual->blue_mask);
629
630	if (width > INT_MAX / height / bytes_per_pixel)
631	return false;
632
633	data = (char *)malloc (width * height * bytes_per_pixel);
634	if (!data)
635	return false;
636
637	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
638	width, height, bytes_per_pixel * 8, 0);
639	if (!ximage)
640	{
641	free (data);
642	return false;
643	}
644
645	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
646
647	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
648	channels = gdk_pixbuf_get_n_channels (pixbuf);
649	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
650	line = data;
651
652	for (int y = 0; y < height; y++)
653	{
654	for (int x = 0; x < width; x++)
655	{
656	unsigned char *pixel = row + x * channels;
657	uint32_t value;
658
659	value = ((pixel[0] >> (8 - width_r)) << sh_r)
660	| ((pixel[1] >> (8 - width_g)) << sh_g)
661	| ((pixel[2] >> (8 - width_b)) << sh_b);
662
663	if (bytes_per_pixel == 4)
664	((uint32_t *)line)[x] = value;
665	else
666	((uint16_t *)line)[x] = value;
667	}
668
669	row += rowstride;
670	line += ximage->bytes_per_line;
671	}
672
673	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
674	XDestroyImage (ximage);
675	return true;
676	}
677
678	bool
679	rxvt_term::render_image (unsigned long tr_flags)
680	{
681	if (!pixbuf)
682	return false;
683
684	if (tr_flags
685	&& !(bg_flags & BG_HAS_RENDER))
686	return false;
687
688	GdkPixbuf *result;
689
690	int image_width = gdk_pixbuf_get_width (pixbuf);
691	int image_height = gdk_pixbuf_get_height (pixbuf);
692
693	int target_width = szHint.width;
694	int target_height = szHint.height;
695	int new_pmap_width = target_width;
696	int new_pmap_height = target_height;
697
698	int x = 0;
699	int y = 0;
700	int w = 0;
701	int h = 0;
702
703	get_image_geometry (image_width, image_height, w, h, x, y);
704
705	if (!(bg_flags & BG_ROOT_ALIGN)
706	&& (x >= target_width
707	|| y >= target_height
708	|| x + w <= 0
709	|| y + h <= 0))
710	return false;
711
712	result = pixbuf;
713
714	if (w != image_width
715	|| h != image_height)
716	{
717	result = gdk_pixbuf_scale_simple (pixbuf,
718	w, h,
719	GDK_INTERP_BILINEAR);
720	}
721
722	if (!result)
723	return false;
724
725	bool ret = false;
726
727	XGCValues gcv;
728	GC gc;
729	Pixmap root_pmap;
730
731	image_width = gdk_pixbuf_get_width (result);
732	image_height = gdk_pixbuf_get_height (result);
733
734	if (tr_flags)
735	{
736	root_pmap = bg_pixmap;	565	tmp_pixmap = bg_pixmap;
737	bg_pixmap = None;
738	}
739	else
740	{
741	if (bg_flags & BG_TILE)
742	{
743	new_pmap_width = min (image_width, target_width);
744	new_pmap_height = min (image_height, target_height);
745	}
746	}
747
748	if (bg_pixmap == None
749	|| bg_pmap_width != new_pmap_width
750	|| bg_pmap_height != new_pmap_height)
751	{
752	if (bg_pixmap)
753	XFreePixmap (dpy, bg_pixmap);
754	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
755	bg_pmap_width = new_pmap_width;
756	bg_pmap_height = new_pmap_height;
757	}	566	}
758		567
759	gcv.foreground = pix_colors[Color_bg];	568	gcv.foreground = pix_colors[Color_bg];
760	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	569	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
761		570
762	if (gc)	571	if (gc)
763	{	572	{
764	if (bg_flags & BG_TILE)	573	if (image.flags & IM_TILE)
765	{	574	{
766	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	575	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
767	pixbuf_to_pixmap (result, tile, gc,	576	pixbuf_to_pixmap (result, tile, gc,
768	0, 0,	577	0, 0,
769	0, 0,	578	0, 0,
770	image_width, image_height);	579	image_width, image_height, need_blend);
771		580
772	gcv.tile = tile;	581	gcv.tile = tile;
773	gcv.fill_style = FillTiled;	582	gcv.fill_style = FillTiled;
774	gcv.ts_x_origin = x;	583	gcv.ts_x_origin = x;
775	gcv.ts_y_origin = y;	584	gcv.ts_y_origin = y;
776	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	585	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
777		586
778	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);
779	XFreePixmap (dpy, tile);	588	XFreePixmap (dpy, tile);
780	}	589	}
781	else	590	else
782	{	591	{
783	int src_x, src_y, dst_x, dst_y;	592	int src_x, src_y, dst_x, dst_y;
…		…
787	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);
788		597
789	if (dst_x > 0 || dst_y > 0	598	if (dst_x > 0 || dst_y > 0
790	|| dst_x + dst_width < new_pmap_width	599	|| dst_x + dst_width < new_pmap_width
791	|| dst_y + dst_height < new_pmap_height)	600	|| dst_y + dst_height < new_pmap_height)
792	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);
793		602
794	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	603	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
795	pixbuf_to_pixmap (result, bg_pixmap, gc,	604	pixbuf_to_pixmap (result, tmp_pixmap, gc,
796	src_x, src_y,	605	src_x, src_y,
797	dst_x, dst_y,	606	dst_x, dst_y,
798	dst_width, dst_height);	607	dst_width, dst_height, need_blend);
799	}	608	}
800		609
801	#if XRENDER	610	#if XRENDER
802	if (tr_flags)	611	if (need_blend)
803	{	612	{
804	XRenderPictureAttributes pa;	613	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
805
806	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	614	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		615
807	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	616	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
808		617
809	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
810	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	618	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
811		619
812	pa.repeat = True;	620	Picture mask = create_xrender_mask (dpy, vt, False, False);
813	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
814	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
815	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
816	XFreePixmap (dpy, mask_pmap);
817		621
818	XRenderColor mask_c;	622	XRenderColor mask_c;
819		623
820	mask_c.alpha = 0x8000;	624	mask_c.alpha = image.alpha;
821	mask_c.red = 0;	625	mask_c.red =
822	mask_c.green = 0;	626	mask_c.green =
823	mask_c.blue = 0;	627	mask_c.blue = 0;
824	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	628	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		629
825	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);
826		631
827	XRenderFreePicture (dpy, src);	632	XRenderFreePicture (dpy, src);
828	XRenderFreePicture (dpy, dst);	633	XRenderFreePicture (dpy, dst);
829	XRenderFreePicture (dpy, mask);	634	XRenderFreePicture (dpy, mask);
…		…
836	}	641	}
837		642
838	if (result != pixbuf)	643	if (result != pixbuf)
839	g_object_unref (result);	644	g_object_unref (result);
840		645
841	if (tr_flags)	646	if (need_blend)
842	XFreePixmap (dpy, root_pmap);	647	XFreePixmap (dpy, tmp_pixmap);
843		648
844	return ret;	649	return ret;
845	}	650	}
846	# endif /* HAVE_PIXBUF */	651	# endif /* HAVE_PIXBUF */
847		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
848	bool	700	bool
849	rxvt_term::bg_set_file (const char *file)	701	rxvt_image::set_file_geometry (const char *file)
850	{	702	{
851	if (!file || !*file)	703	if (!file || !*file)
852	return false;	704	return false;
853		705
854	bool ret = false;
855	const char *p = strchr (file, ';');	706	const char *p = strchr (file, ';');
856		707
857	if (p)	708	if (p)
858	{	709	{
859	size_t len = p - file;	710	size_t len = p - file;
…		…
861	memcpy (f, file, len);	712	memcpy (f, file, len);
862	f[len] = '\0';	713	f[len] = '\0';
863	file = f;	714	file = f;
864	}	715	}
865		716
866	# ifdef HAVE_AFTERIMAGE	717	bool ret = set_file (file);
867	if (!asimman)	718	alpha = 0x8000;
868	asimman = create_generic_imageman (rs[Rs_path]);	719	if (ret)
869	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	720	set_geometry (p ? p + 1 : "");
870	if (image)	721	return ret;
871	{	722	}
872	if (original_asim)	723
873	safe_asimage_destroy (original_asim);	724	bool
874	original_asim = image;	725	rxvt_image::set_file (const char *file)
875	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	726	{
876	ret = true;	727	bool ret = false;
877	}
878	# endif
879		728
880	# ifdef HAVE_PIXBUF	729	# ifdef HAVE_PIXBUF
881	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	730	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
882	if (image)	731	if (image)
883	{	732	{
884	if (pixbuf)	733	if (pixbuf)
885	g_object_unref (pixbuf);	734	g_object_unref (pixbuf);
886	pixbuf = image;	735	pixbuf = image;
887	bg_flags |= BG_IS_FROM_FILE;
888	ret = true;	736	ret = true;
889	}	737	}
890	# endif	738	# endif
891		739
892	if (ret)	740	if (ret)
893	{	741	flags |= IM_IS_SET;
894	if (p)
895	bg_set_geometry (p + 1);
896	else
897	bg_set_default_geometry ();
898	}
899		742
900	return ret;	743	return ret;
901	}	744	}
902		745
903	# endif /* BG_IMAGE_FROM_FILE */	746	# endif /* BG_IMAGE_FROM_FILE */
904		747
905	# ifdef ENABLE_TRANSPARENCY	748	# ifdef ENABLE_TRANSPARENCY
906	bool
907	rxvt_term::bg_set_transparent ()
908	{
909	if (!(bg_flags & BG_IS_TRANSPARENT))
910	{
911	bg_flags |= BG_IS_TRANSPARENT;
912	return true;
913	}
914
915	return false;
916	}
917
918	bool	749	bool
919	rxvt_term::bg_set_blur (const char *geom)	750	rxvt_term::bg_set_blur (const char *geom)
920	{	751	{
921	bool changed = false;	752	bool changed = false;
922	unsigned int hr, vr;	753	unsigned int hr, vr;
…		…
941	{	772	{
942	changed = true;	773	changed = true;
943	v_blurRadius = vr;	774	v_blurRadius = vr;
944	}	775	}
945		776
946	if (v_blurRadius == 0 && h_blurRadius == 0)
947	bg_flags &= ~BG_NEEDS_BLUR;
948	else
949	bg_flags |= BG_NEEDS_BLUR;
950
951	return changed;	777	return changed;
952	}	778	}
953		779
954	void	780	bool
955	rxvt_term::set_tint_shade_flags ()	781	rxvt_term::bg_set_tint (rxvt_color &new_tint)
956	{	782	{
957	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	783	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
958	bool has_shade = shade != 100;	784	{
959		785	tint = new_tint;
960	bg_flags &= ~BG_TINT_FLAGS;	786	bg_flags |= BG_TINT_SET;
961		787
962	if (bg_flags & BG_TINT_SET)	788	rgba c;
963	{
964	tint.get (c);	789	tint.get (c);
965	if (!has_shade
966	&& (c.r <= 0x00ff || c.r >= 0xff00)	790	if ((c.r <= 0x00ff || c.r >= 0xff00)
967	&& (c.g <= 0x00ff || c.g >= 0xff00)	791	&& (c.g <= 0x00ff || c.g >= 0xff00)
968	&& (c.b <= 0x00ff || c.b >= 0xff00))	792	&& (c.b <= 0x00ff || c.b >= 0xff00))
969	bg_flags |= BG_TINT_BITAND;	793	bg_flags |= BG_TINT_BITAND;
970	}	794	else
971
972	if (has_shade || (bg_flags & BG_TINT_SET))
973	bg_flags |= BG_NEEDS_TINT;
974	}
975
976	bool
977	rxvt_term::bg_set_tint (rxvt_color &new_tint)
978	{
979	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
980	{
981	tint = new_tint;
982	bg_flags |= BG_TINT_SET;	795	bg_flags &= ~BG_TINT_BITAND;
983	set_tint_shade_flags ();	796
984	return true;	797	return true;
985	}	798	}
986		799
987	return false;	800	return false;
988	}	801	}
989		802
990	bool	803	bool
991	rxvt_term::bg_set_shade (const char *shade_str)	804	rxvt_term::bg_set_shade (const char *shade_str)
992	{	805	{
993	int new_shade = (shade_str) ? atoi (shade_str) : 100;	806	int new_shade = atoi (shade_str);
994		807
995	clamp_it (new_shade, -100, 200);	808	clamp_it (new_shade, -100, 200);
996	if (new_shade < 0)	809	if (new_shade < 0)
997	new_shade = 200 - (100 + new_shade);	810	new_shade = 200 - (100 + new_shade);
998		811
999	if (new_shade != shade)	812	if (new_shade != shade)
1000	{	813	{
1001	shade = new_shade;	814	shade = new_shade;
1002	set_tint_shade_flags ();
1003	return true;	815	return true;
1004	}	816	}
1005		817
1006	return false;	818	return false;
1007	}	819	}
…		…
1028	params[i+2] = XDoubleToFixed (kernel[i] / sum);	840	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1029	}	841	}
1030	#endif	842	#endif
1031		843
1032	bool	844	bool
1033	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	845	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1034	{	846	{
1035	bool ret = false;	847	bool ret = false;
1036	#if XRENDER	848	#if XRENDER
		849	if (!(bg_flags & BG_HAS_RENDER_CONV))
		850	return false;
		851
1037	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	852	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1038	double *kernel = (double *)malloc (size * sizeof (double));	853	double *kernel = (double *)malloc (size * sizeof (double));
1039	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	854	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1040		855
1041	XRenderPictureAttributes pa;	856	XRenderPictureAttributes pa;
1042	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	857	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1043		858
		859	pa.repeat = RepeatPad;
1044	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);
1045	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	862	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		863	XFreePixmap (dpy, tmp);
1046		864
1047	if (kernel && params)	865	if (kernel && params)
1048	{	866	{
1049	if (h_blurRadius)
1050	{
1051	size = h_blurRadius * 2 + 1;	867	size = h_blurRadius * 2 + 1;
1052	get_gaussian_kernel (h_blurRadius, size, kernel, params);	868	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1053		869
1054	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	870	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1055	XRenderComposite (dpy,	871	XRenderComposite (dpy,
1056	PictOpSrc,	872	PictOpSrc,
1057	src,	873	src,
1058	None,	874	None,
1059	dst,	875	dst,
1060	0, 0,	876	0, 0,
1061	0, 0,	877	0, 0,
1062	0, 0,	878	0, 0,
1063	width, height);	879	width, height);
1064	}
1065		880
1066	if (v_blurRadius)	881	::swap (src, dst);
1067	{	882
1068	size = v_blurRadius * 2 + 1;	883	size = v_blurRadius * 2 + 1;
1069	get_gaussian_kernel (v_blurRadius, size, kernel, params);	884	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1070	::swap (params[0], params[1]);	885	::swap (params[0], params[1]);
1071		886
1072	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	887	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1073	XRenderComposite (dpy,	888	XRenderComposite (dpy,
1074	PictOpSrc,	889	PictOpSrc,
1075	src,	890	src,
1076	None,	891	None,
1077	dst,	892	dst,
1078	0, 0,	893	0, 0,
1079	0, 0,	894	0, 0,
1080	0, 0,	895	0, 0,
1081	width, height);	896	width, height);
1082	}
1083		897
1084	ret = true;	898	ret = true;
1085	}	899	}
1086		900
1087	free (kernel);	901	free (kernel);
…		…
1091	#endif	905	#endif
1092	return ret;	906	return ret;
1093	}	907	}
1094		908
1095	bool	909	bool
1096	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	910	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1097	{	911	{
1098	bool ret = false;	912	bool ret = false;
1099		913
1100	if (bg_flags & BG_TINT_BITAND)	914	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1101	{	915	{
1102	XGCValues gcv;	916	XGCValues gcv;
1103	GC gc;	917	GC gc;
1104		918
1105	/* In this case we can tint image server-side getting significant	919	/* In this case we can tint image server-side getting significant
…		…
1114	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	928	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1115	ret = true;	929	ret = true;
1116	XFreeGC (dpy, gc);	930	XFreeGC (dpy, gc);
1117	}	931	}
1118	}	932	}
1119	else
1120	{
1121	# if XRENDER	933	# if XRENDER
		934	else if (bg_flags & BG_HAS_RENDER)
		935	{
1122	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	936	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1123		937
1124	if (bg_flags & BG_TINT_SET)	938	if (bg_flags & BG_TINT_SET)
1125	tint.get (c);	939	tint.get (c);
1126		940
…		…
1135	c.r = c.r * (200 - shade) / 100;	949	c.r = c.r * (200 - shade) / 100;
1136	c.g = c.g * (200 - shade) / 100;	950	c.g = c.g * (200 - shade) / 100;
1137	c.b = c.b * (200 - shade) / 100;	951	c.b = c.b * (200 - shade) / 100;
1138	}	952	}
1139		953
1140	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1141	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	954	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1142	XRenderPictureAttributes pa;
1143		955
1144	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	956	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1145		957
1146	pa.repeat = True;	958	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1147		959
1148	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	960	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1149	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1150	XFreePixmap (dpy, overlay_pmap);
1151
1152	pa.component_alpha = True;
1153	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1154	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1155	XFreePixmap (dpy, mask_pmap);
1156		961
1157	XRenderColor mask_c;	962	XRenderColor mask_c;
1158		963
1159	mask_c.alpha = 0xffff;	964	mask_c.alpha = 0xffff;
1160	mask_c.red =	965	mask_c.red =
…		…
1165	mask_c.alpha = 0;	970	mask_c.alpha = 0;
1166	mask_c.red = 0xffff - c.r;	971	mask_c.red = 0xffff - c.r;
1167	mask_c.green = 0xffff - c.g;	972	mask_c.green = 0xffff - c.g;
1168	mask_c.blue = 0xffff - c.b;	973	mask_c.blue = 0xffff - c.b;
1169	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	974	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		975
1170	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);
1171		977
1172	if (shade > 100)	978	if (shade > 100)
1173	{	979	{
1174	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1175	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;
1176	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	984	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1177		985
1178	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);
1179	}	987	}
1180		988
1181	ret = true;	989	ret = true;
1182		990
1183	XRenderFreePicture (dpy, mask_pic);	991	XRenderFreePicture (dpy, mask_pic);
1184	XRenderFreePicture (dpy, overlay_pic);	992	XRenderFreePicture (dpy, overlay_pic);
1185	XRenderFreePicture (dpy, back_pic);	993	XRenderFreePicture (dpy, back_pic);
		994	}
1186	# endif	995	# endif
1187	}
1188		996
1189	return ret;	997	return ret;
1190	}	998	}
1191		999
1192	/*	1000	/*
1193	* 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
1194	* 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
1195	* our window.	1003	* our window.
1196	*/	1004	*/
1197	unsigned long	1005	bool
1198	rxvt_term::make_transparency_pixmap ()	1006	rxvt_term::make_transparency_pixmap ()
1199	{	1007	{
1200	unsigned long result = 0;	1008	bool ret = false;
1201		1009
1202	/* 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
1203	* be always up-to-date, so let's use it :	1011	* be always up-to-date, so let's use it :
1204	*/	1012	*/
1205	int screen = display->screen;	1013	int screen = display->screen;
…		…
1243	#if XRENDER	1051	#if XRENDER
1244	if (bg_flags & BG_HAS_RENDER)	1052	if (bg_flags & BG_HAS_RENDER)
1245	{	1053	{
1246	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);
1247		1055
1248	XRenderPictureAttributes pa;
1249
1250	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1056	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1251	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1057	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1252		1058
1253	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1059	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1254	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1060	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1255		1061
1256	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);
1257		1063
1258	XRenderFreePicture (dpy, src);	1064	XRenderFreePicture (dpy, src);
1259	XRenderFreePicture (dpy, dst);	1065	XRenderFreePicture (dpy, dst);
…		…
1276	bg_pmap_width = window_width;	1082	bg_pmap_width = window_width;
1277	bg_pmap_height = window_height;	1083	bg_pmap_height = window_height;
1278	}	1084	}
1279		1085
1280	/* straightforward pixmap copy */	1086	/* straightforward pixmap copy */
1281	while (sx < 0) sx += root_width;	1087	while (sx < 0) sx += root_pmap_width;
1282	while (sy < 0) sy += root_height;	1088	while (sy < 0) sy += root_pmap_height;
1283		1089
1284	gcv.tile = recoded_root_pmap;	1090	gcv.tile = recoded_root_pmap;
1285	gcv.fill_style = FillTiled;	1091	gcv.fill_style = FillTiled;
1286	gcv.ts_x_origin = -sx;	1092	gcv.ts_x_origin = -sx;
1287	gcv.ts_y_origin = -sy;	1093	gcv.ts_y_origin = -sy;
1288	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1094	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1289		1095
1290	if (gc)	1096	if (gc)
1291	{	1097	{
1292	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1098	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1293	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1099	ret = true;
1294	XFreeGC (dpy, gc);	1100	bool need_blur = h_blurRadius && v_blurRadius;
		1101	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1295		1102
1296	if (!(bg_flags & BG_CLIENT_RENDER))	1103	if (!(bg_flags & BG_CLIENT_RENDER))
1297	{	1104	{
1298	if ((bg_flags & BG_NEEDS_BLUR)	1105	if (need_blur)
1299	&& (bg_flags & BG_HAS_RENDER_CONV))
1300	{	1106	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1107	if (blur_pixmap (bg_pixmap, window_width, window_height))
1302	result &= ~BG_NEEDS_BLUR;	1108	need_blur = false;
1303	}	1109	}
1304	if ((bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1305	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1306	{	1111	{
1307	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height))
1308	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	}
1309	}	1126	}
1310	} /* server side rendering completed */	1127	} /* server side rendering completed */
		1128
		1129	XFreeGC (dpy, gc);
1311	}	1130	}
1312		1131
1313	if (recoded_root_pmap != root_pixmap)	1132	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1133	XFreePixmap (dpy, recoded_root_pmap);
1315		1134
1316	return result;	1135	return ret;
1317	}	1136	}
1318		1137
1319	void	1138	void
1320	rxvt_term::bg_set_root_pixmap ()	1139	rxvt_term::bg_set_root_pixmap ()
1321	{	1140	{
…		…
1325		1144
1326	root_pixmap = new_root_pixmap;	1145	root_pixmap = new_root_pixmap;
1327	}	1146	}
1328	# endif /* ENABLE_TRANSPARENCY */	1147	# endif /* ENABLE_TRANSPARENCY */
1329		1148
1330	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1331	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1332	# endif
1333
1334	bool	1149	bool
1335	rxvt_term::bg_render ()	1150	rxvt_term::bg_render ()
1336	{	1151	{
1337	unsigned long tr_flags = 0;
1338
1339	bg_invalidate ();	1152	bg_invalidate ();
1340	# ifdef ENABLE_TRANSPARENCY	1153	# ifdef ENABLE_TRANSPARENCY
1341	if (bg_flags & BG_IS_TRANSPARENT)	1154	if (bg_flags & BG_IS_TRANSPARENT)
1342	{	1155	{
1343	/* we need to re-generate transparency pixmap in that case ! */	1156	/* we need to re-generate transparency pixmap in that case ! */
1344	tr_flags = make_transparency_pixmap ();	1157	if (make_transparency_pixmap ())
1345	if (tr_flags == 0)
1346	return false;
1347	bg_flags |= BG_IS_VALID;	1158	bg_flags |= BG_IS_VALID;
1348	}	1159	}
1349	# endif	1160	# endif
1350		1161
1351	# ifdef BG_IMAGE_FROM_FILE	1162	# ifdef BG_IMAGE_FROM_FILE
1352	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++)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1164	{
1355	if (render_image (tr_flags))	1165	if (render_image (*bg_image))
1356	bg_flags |= BG_IS_VALID;	1166	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags & BG_NEEDS_TINT)
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	//if (tr_flags & BG_NEEDS_TINT)
1372	if (1)
1373	{
1374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1375	if (bg_flags & BG_TINT_SET)
1376	tint.get (c);
1377	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1378	}
1379
1380	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1381
1382	if (gc)
1383	{
1384	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1385
1386	XFreeGC (dpy, gc);
1387	}
1388
1389	XDestroyImage (result);
1390	}	1167	}
1391	# endif	1168	# endif
1392		1169
1393	if (!(bg_flags & BG_IS_VALID))	1170	if (!(bg_flags & BG_IS_VALID))
1394	{	1171	{
…		…
1427	bg_flags |= BG_HAS_RENDER_CONV;	1204	bg_flags |= BG_HAS_RENDER_CONV;
1428		1205
1429	XFree (filters);	1206	XFree (filters);
1430	}	1207	}
1431	#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
1432	}	1234	}
1433		1235
1434	#endif /* HAVE_BG_PIXMAP */	1236	#endif /* HAVE_BG_PIXMAP */
1435		1237
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1238	#ifdef ENABLE_TRANSPARENCY
1437	/* based on code from aterm-0.4.2 */	1239	/* based on code from aterm-0.4.2 */
1438		1240
1439	static void	1241	static inline void
1440	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1242	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1243	{
		1244	for (int i = 0; i <= mask >> sh; i++)
		1245	{
		1246	uint32_t tmp;
		1247	tmp = i * high;
		1248	tmp += (mask >> sh) * low;
		1249	lookup[i] = (tmp / 0xffff) << sh;
		1250	}
		1251	}
		1252
		1253	void
		1254	rxvt_term::tint_ximage (XImage *ximage)
		1255	{
		1256	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1257	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1258	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1259	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1260	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1261	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1262
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1263	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1264
1452	/* for convenience */	1265	/* for convenience */
1453	mask_r = visual->red_mask;	1266	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1267	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1268	mask_b = visual->blue_mask;
1456		1269
1457	/* boring lookup table pre-initialization */	1270	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1271	sh_r = ecb_ctz32 (mask_r);
1459	{	1272	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1273	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1274
1462	(mask_g != 0x03e0) ||	1275	size_r = mask_r >> sh_r;
1463	(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)
1464	return;	1280	return;
1465	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));
1466	lookup_r = lookup;	1283	lookup_r = lookup;
1467	lookup_g = lookup+32;	1284	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1285	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1286
1470	sh_g = 5;	1287	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1288
1472	break;	1289	if (bg_flags & BG_TINT_SET)
1473	case 16:	1290	tint.get (c);
1474	if ((mask_r != 0xf800) ||
1475	(mask_g != 0x07e0) ||
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) ||
1488	(mask_g != 0x00ff00) ||
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1291
1516	/* prepare limits for color transformation (each channel is handled separately) */	1292	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1293	if (shade > 100)
1518	{	1294	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1295	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1296	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1297	c.b = c.b * (200 - shade) / 100;
		1298
		1299	low = 0xffff * (shade - 100) / 100;
1528	}	1300	}
1529	else	1301	else
1530	{	1302	{
1531	high.r = c.r * shade / 100;	1303	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1304	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1305	c.b = c.b * shade / 100;
1534		1306
1535	low.r = low.g = low.b = 0;	1307	low = 0;
1536	}	1308	}
1537		1309
1538	/* fill our lookup tables */	1310	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1311	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1312	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1313	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1314
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1315	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1316	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1317	&& ximage->byte_order == host_byte_order)
1565	{	1318	{
1566	uint32_t *p1, *pf, *p, *pl;	1319	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1320
1570	while (p1 < pf)	1321	for (int y = 0; y < ximage->height; y++)
1571	{	1322	{
1572	p = p1;	1323	uint32_t *p = (uint32_t *)line;
1573	pl = p1 + ximage->width;	1324	for (int x = 0; x < ximage->width; x++)
1574	for (; p < pl; p++)
1575	{	1325	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1326	*p = lookup_r[(*p & mask_r) >> sh_r] |
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1327	lookup_g[(*p & mask_g) >> sh_g] |
1578	lookup_b[(*p & 0x0000ff)] |	1328	lookup_b[(*p & mask_b) >> sh_b];
1579	(*p & 0xff000000);	1329	p++;
1580	}	1330	}
1581	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1331	line += ximage->bytes_per_line;
1582	}	1332	}
1583	}	1333	}
1584	else	1334	else
1585	{	1335	{
1586	for (int y = 0; y < ximage->height; y++)	1336	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1344	}
1595	}	1345	}
1596		1346
1597	free (lookup);	1347	free (lookup);
1598	}	1348	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1349	#endif /* ENABLE_TRANSPARENCY */

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