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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.196 by sf-exg, Tue Jan 10 18:50:14 2012 UTC vs.
Revision 1.226 by sf-exg, Thu May 31 05:53:46 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>
…		…
58	# endif	58	# endif
59		59
60	void	60	void
61	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
62	{	62	{
63	#ifdef HAVE_AFTERIMAGE	63	# ifdef BG_IMAGE_FROM_FILE
64	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
65	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
66	if (asv)
67	destroy_asvisual (asv, 0);
68	if (asimman)
69	destroy_image_manager (asimman, 0);
70	#endif	66	# endif
71
72	#ifdef HAVE_PIXBUF
73	if (pixbuf)
74	g_object_unref (pixbuf);
75	#endif
76		67
77	if (bg_pixmap)	68	if (bg_pixmap)
78	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
79	}	70	}
80		71
…		…
99	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
100	return true;	91	return true;
101	# endif	92	# endif
102		93
103	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
104	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++)
105	{	96	{
106	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)
107	return true;	100	return true;
108	}	101	}
109	# endif	102	# endif
110		103
111	return false;	104	return false;
…		…
118	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
119	return true;	112	return true;
120	# endif	113	# endif
121		114
122	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
123	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++)
124	{	117	{
125	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
126	return true;	119	return true;
127	}	120	}
128	# endif	121	# endif
129		122
130	return false;	123	return false;
131	}	124	}
132		125
133	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
134	static inline bool
135	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
136	{
137	if (geom_flags & flag)
138	{
139	if (new_value > 1000)
140	new_value = 1000;
141	if (new_value != scale)
142	{
143	scale = new_value;
144	return true;
145	}
146	}
147	return false;
148	}
149
150	static inline bool
151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
152	{
153	if (geom_flags & flag)
154	{
155	if (new_value < -100)
156	new_value = -100;
157	else if (new_value > 200)
158	new_value = 200;
159	if (new_value != align)
160	{
161	align = new_value;
162	return true;
163	}
164	}
165	return false;
166	}
167
168	static inline int	127	static inline int
169	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
170	{	129	{
171	int diff = window_size - image_size;
172	int smaller = min (image_size, window_size);
173
174	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
175	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
176	else if (align > 100 && align <= 200)	132	else if (align > 100)
177	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
178	else if (align >= -100 && align < 0)	134	else
179	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
180	return 0;
181	}	136	}
182		137
183	static inline int	138	static inline int
184	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)
185	{	140	{
…		…
191	src_pos = -pos;	146	src_pos = -pos;
192	dst_pos = 0;	147	dst_pos = 0;
193	dst_size += pos;	148	dst_size += pos;
194	}	149	}
195		150
196	if (dst_pos + dst_size > target_size)
197	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
198	return src_pos;	152	return src_pos;
199	}	153	}
200		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
201	bool	190	bool
202	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
203	{	192	{
204	bool changed = false;	193	bool changed = false;
205	int geom_flags = 0;	194	int geom_flags = 0;
206	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
207	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
208	unsigned long new_flags = 0;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
209		200
210	if (geom == NULL)	201	if (geom == NULL)
211	return false;	202	return false;
212		203
213	if (geom[0])	204	if (geom[0])
214	{	205	{
215	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
216		207
217	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
218	{	209	{
219	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
220	{	211	{
221	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
222	w = h = noScale;
223	x = y = 0;
224	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
225	}	214	}
226	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
227	{
228	new_flags = BG_KEEP_ASPECT;
229	w = h = windowScale;
230	x = y = centerAlign;
231	geom_flags = WidthValue|HeightValue|XValue|YValue;
232	}
233	else if (!strcasecmp (arr[i], "style=stretched"))
234	{
235	new_flags = 0;
236	w = h = windowScale;
237	geom_flags = WidthValue|HeightValue;
238	}
239	else if (!strcasecmp (arr[i], "style=centered"))
240	{
241	new_flags = 0;
242	w = h = noScale;
243	x = y = centerAlign;
244	geom_flags = WidthValue|HeightValue|XValue|YValue;
245	}
246	else if (!strcasecmp (arr[i], "style=root-tiled"))
247	{
248	new_flags = BG_TILE|BG_ROOT_ALIGN;
249	w = h = noScale;
250	geom_flags = WidthValue|HeightValue;
251	}
252	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
253	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
254	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
255	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
256	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
257	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
258		221
259	// deprecated	222	// deprecated
260	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
261	{	224	{
262	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
263	w = h = noScale;	226	w = h = noScale;
264	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
265	}	228	}
266	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
267	{	230	{
268	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
269	w = h = windowScale;	232	w = h = windowScale;
270	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
271	}	234	}
272	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
273	{	236	{
274	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
275	w = windowScale;	238	w = windowScale;
276	h = noScale;	239	h = noScale;
277	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
278	}	241	}
279	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
280	{	243	{
281	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
282	h = windowScale;	245	h = windowScale;
283	w = noScale;	246	w = noScale;
284	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
285	}	248	}
286	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
294	x = y = centerAlign;	257	x = y = centerAlign;
295	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
296	}	259	}
297	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
298	{	261	{
299	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
300	w = h = noScale;	263	w = h = noScale;
301	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
302	}	265	}
303		266
304	else	267	else
…		…
306	} /* done parsing ops */	269	} /* done parsing ops */
307		270
308	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
309	}	272	}
310		273
311	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
312		275
313	if (!update)	276	if (!update)
314	{	277	{
315	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
316	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
321	w = h = defaultScale;	284	w = h = defaultScale;
322	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
323	h = w;	286	h = w;
324	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
325	w = h;	288	w = h;
326
327	geom_flags |= WidthValue|HeightValue|XValue|YValue;
328	}
329
330	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
331	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
332	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
333	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
334
335	if (new_flags != bg_flags)
336	{	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	{
337	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
338	changed = true;	305	changed = true;
339	}	306	}
340		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
341	return changed;	313	return changed;
342	}	314	}
343		315
344	void	316	void
345	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
346	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
347	int target_width = szHint.width;	321	int target_width = szHint.width;
348	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
349		325
350	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
351	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
352		328
353	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
354	{	330	{
355	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
356	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
357	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
358	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
359	}	335	}
360		336
361	if (!w) w = image_width;	337	if (!w) w = image_width;
362	if (!h) h = image_height;	338	if (!h) h = image_height;
363		339
364	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
365	{	341	{
366	x = -target_x;	342	x = -target_x;
367	y = -target_y;	343	y = -target_y;
368	}	344	}
369	else	345	else
370	{	346	{
371	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
372	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
373	}
374
375	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
376	if (!(bg_flags & BG_TILE)
377	|| h_scale || v_scale
378	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
379	|| w > target_width || h > target_height)
380	bg_flags |= BG_IS_SIZE_SENSITIVE;
381	}
382
383	# ifdef HAVE_AFTERIMAGE
384	bool
385	rxvt_term::render_image (unsigned long tr_flags)
386	{
387	init_asv ();
388
389	ASImage *background = NULL;
390	ARGB32 background_tint = TINT_LEAVE_SAME;
391
392	# ifdef ENABLE_TRANSPARENCY
393	if (tr_flags)
394	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
395
396	if (tr_flags & BG_NEEDS_TINT)
397	{	349	}
398	ShadingInfo as_shade;	350	}
399	as_shade.shading = shade;
400		351
401	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
402	if (bg_flags & BG_TINT_SET)	353	bool
403	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
404	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
405	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
406	as_shade.tintColor.blue = c.b;	357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
407		366
408	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
409	}	371	{
410		372	red_mask = 0xff << 16;
411	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
412	{	376	}
413	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
414	ASA_XImage,	378	{
415	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
416	if (tmp)	384	if (format)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
417	{	445	{
418	destroy_asimage (&background);	446	a = pixel[3];
419	background = tmp;	447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
420	}	468	}
421	}
422	# endif
423		469
424	ASImage *result = 0;	470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(bg_flags & BG_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
425		496
426	int target_width = szHint.width;	497	int target_width = szHint.width;
427	int target_height = szHint.height;	498	int target_height = szHint.height;
428	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
429	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
431	int x = 0;	502	int x = 0;
432	int y = 0;	503	int y = 0;
433	int w = 0;	504	int w = 0;
434	int h = 0;	505	int h = 0;
435		506
436	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
437	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
438		508
439	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
440	|| (!(bg_flags & BG_ROOT_ALIGN)
441	&& (x >= target_width	510	&& (x >= target_width
442	|| y >= target_height	511	|| y >= target_height
443	|| x + w <= 0	512	|| x + w <= 0
444	|| y + h <= 0)))	513	|| y + h <= 0))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
445	{	524	}
446	if (background)
447	{
448	new_pmap_width = background->width;
449	new_pmap_height = background->height;
450	result = background;
451		525
452	if (background_tint != TINT_LEAVE_SAME)	526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
453	{	547	{
454	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
455	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
456	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
457	if (tmp)
458	result = tmp;
459	}
460	}	550	}
461	else
462	new_pmap_width = new_pmap_height = 0;
463	}
464	else
465	{
466	result = original_asim;
467		551
468	if (w != original_asim->width
469	|| h != original_asim->height)
470	{
471	result = scale_asimage (asv, original_asim,
472	w, h,
473	ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	}
476
477	if (background == NULL)
478	{
479	if (bg_flags & BG_TILE)
480	{
481	/* if tiling - pixmap has to be sized exactly as the image,
482	but there is no need to make it bigger than the window! */
483	new_pmap_width = min (result->width, target_width);
484	new_pmap_height = min (result->height, target_height);
485
486	/* we also need to tile our image in both directions */
487	ASImage *tmp = tile_asimage (asv, result,
488	(int)result->width - x,
489	(int)result->height - y,
490	new_pmap_width,
491	new_pmap_height,
492	TINT_LEAVE_SAME, ASA_XImage,
493	100, ASIMAGE_QUALITY_DEFAULT);
494	if (tmp)
495	{
496	if (result != original_asim)
497	destroy_asimage (&result);
498
499	result = tmp;
500	}
501	}
502	}
503	else
504	{
505	/* if blending background and image - pixmap has to be sized same as target window */
506	ASImageLayer *layers = create_image_layers (2);
507
508	layers[0].im = background;
509	layers[0].clip_width = target_width;
510	layers[0].clip_height = target_height;
511	layers[0].tint = background_tint;
512	layers[1].im = result;
513
514	if (bg_flags & BG_TILE)
515	{
516	/* tile horizontally */
517	while (x > 0) x -= (int)result->width;
518	layers[1].dst_x = x;
519	layers[1].clip_width = result->width+target_width;
520	}
521	else
522	{
523	/* clip horizontally */
524	layers[1].dst_x = x;
525	layers[1].clip_width = result->width;
526	}
527
528	if (bg_flags & BG_TILE)
529	{
530	while (y > 0) y -= (int)result->height;
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height + target_height;
533	}
534	else
535	{
536	layers[1].dst_y = y;
537	layers[1].clip_height = result->height;
538	}
539
540	if (rs[Rs_blendtype])
541	{
542	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
543	if (layers[1].merge_scanlines == NULL)
544	layers[1].merge_scanlines = alphablend_scanlines;
545	}
546
547	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
548	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
549
550	if (tmp)
551	{
552	if (result != original_asim)
553	destroy_asimage (&result);
554
555	result = tmp;
556	}
557
558	free (layers);
559	}
560	}
561
562	bool ret = false;
563
564	if (result)
565	{
566	XGCValues gcv;
567	GC gc;
568
569	/* create Pixmap */
570	if (bg_pixmap == None	552	if (bg_pixmap == None
571	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
572	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
573	{	555	{
574	if (bg_pixmap)	556	if (bg_pixmap)
575	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
576	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
577	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
578	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
579	}	561	}
580	/* fill with background color (if result's not completely overlapping it) */
581	gcv.foreground = pix_colors[Color_bg];
582	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
583		562
584	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
585	int dst_width = result->width, dst_height = result->height;
586	if (background == NULL)
587	{
588	if (!(bg_flags & BG_TILE))
589	{
590	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
591	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
592	}
593
594	if (dst_x > 0 || dst_y > 0
595	|| dst_x + dst_width < new_pmap_width
596	|| dst_y + dst_height < new_pmap_height)
597	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
598	}
599
600	/* put result on pixmap */
601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
602	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
603
604	if (result != background && result != original_asim)
605	destroy_asimage (&result);
606
607	XFreeGC (dpy, gc);
608
609	ret = true;
610	}
611
612	if (background)
613	destroy_asimage (&background);
614
615	return ret;
616	}
617	# endif /* HAVE_AFTERIMAGE */
618
619	# ifdef HAVE_PIXBUF
620	bool
621	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
622	int src_x, int src_y, int dst_x, int dst_y,
623	unsigned int width, unsigned int height)
624	{
625	XImage *ximage;
626	char *data, *line;
627	int bytes_per_pixel;
628	int width_r, width_g, width_b;
629	int sh_r, sh_g, sh_b;
630	int rowstride;
631	int channels;
632	unsigned char *row;
633
634	if (visual->c_class != TrueColor)
635	return false;
636
637	if (depth == 24 || depth == 32)
638	bytes_per_pixel = 4;
639	else if (depth == 15 || depth == 16)
640	bytes_per_pixel = 2;
641	else
642	return false;
643
644	width_r = ecb_popcount32 (visual->red_mask);
645	width_g = ecb_popcount32 (visual->green_mask);
646	width_b = ecb_popcount32 (visual->blue_mask);
647
648	if (width_r > 8 || width_g > 8 || width_b > 8)
649	return false;
650
651	sh_r = ecb_ctz32 (visual->red_mask);
652	sh_g = ecb_ctz32 (visual->green_mask);
653	sh_b = ecb_ctz32 (visual->blue_mask);
654
655	if (width > INT_MAX / height / bytes_per_pixel)
656	return false;
657
658	data = (char *)malloc (width * height * bytes_per_pixel);
659	if (!data)
660	return false;
661
662	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
663	width, height, bytes_per_pixel * 8, 0);
664	if (!ximage)
665	{
666	free (data);
667	return false;
668	}
669
670	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
671
672	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
673	channels = gdk_pixbuf_get_n_channels (pixbuf);
674	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
675	line = data;
676
677	for (int y = 0; y < height; y++)
678	{
679	for (int x = 0; x < width; x++)
680	{
681	unsigned char *pixel = row + x * channels;
682	uint32_t value;
683
684	value = ((pixel[0] >> (8 - width_r)) << sh_r)
685	| ((pixel[1] >> (8 - width_g)) << sh_g)
686	| ((pixel[2] >> (8 - width_b)) << sh_b);
687
688	if (bytes_per_pixel == 4)
689	((uint32_t *)line)[x] = value;
690	else
691	((uint16_t *)line)[x] = value;
692	}
693
694	row += rowstride;
695	line += ximage->bytes_per_line;
696	}
697
698	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
699	XDestroyImage (ximage);
700	return true;
701	}
702
703	bool
704	rxvt_term::render_image (unsigned long tr_flags)
705	{
706	if (!pixbuf)
707	return false;
708
709	if (tr_flags
710	&& !(bg_flags & BG_HAS_RENDER))
711	return false;
712
713	GdkPixbuf *result;
714
715	int image_width = gdk_pixbuf_get_width (pixbuf);
716	int image_height = gdk_pixbuf_get_height (pixbuf);
717
718	int target_width = szHint.width;
719	int target_height = szHint.height;
720	int new_pmap_width = target_width;
721	int new_pmap_height = target_height;
722
723	int x = 0;
724	int y = 0;
725	int w = 0;
726	int h = 0;
727
728	get_image_geometry (image_width, image_height, w, h, x, y);
729
730	if (!(bg_flags & BG_ROOT_ALIGN)
731	&& (x >= target_width
732	|| y >= target_height
733	|| x + w <= 0
734	|| y + h <= 0))
735	return false;
736
737	result = pixbuf;
738
739	if (w != image_width
740	|| h != image_height)
741	{
742	result = gdk_pixbuf_scale_simple (pixbuf,
743	w, h,
744	GDK_INTERP_BILINEAR);
745	}
746
747	if (!result)
748	return false;
749
750	bool ret = false;
751
752	XGCValues gcv;
753	GC gc;
754	Pixmap root_pmap;
755
756	image_width = gdk_pixbuf_get_width (result);
757	image_height = gdk_pixbuf_get_height (result);
758
759	if (tr_flags)
760	{
761	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
762	bg_pixmap = None;
763	}
764	else
765	{
766	if (bg_flags & BG_TILE)
767	{
768	new_pmap_width = min (image_width, target_width);
769	new_pmap_height = min (image_height, target_height);
770	}
771	}
772
773	if (bg_pixmap == None
774	|| bg_pmap_width != new_pmap_width
775	|| bg_pmap_height != new_pmap_height)
776	{
777	if (bg_pixmap)
778	XFreePixmap (dpy, bg_pixmap);
779	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
780	bg_pmap_width = new_pmap_width;
781	bg_pmap_height = new_pmap_height;
782	}	564	}
783		565
784	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
785	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
786		568
787	if (gc)	569	if (gc)
788	{	570	{
789	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
790	{	572	{
791	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
792	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
793	0, 0,	575	0, 0,
794	0, 0,	576	0, 0,
795	image_width, image_height);	577	image_width, image_height, need_blend);
796		578
797	gcv.tile = tile;	579	gcv.tile = tile;
798	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
799	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
800	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
801	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
802		584
803	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
804	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
805	}	587	}
806	else	588	else
807	{	589	{
808	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
812	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
813		595
814	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
815	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
816	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
817	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
818		600
819	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
820	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
821	src_x, src_y,	603	src_x, src_y,
822	dst_x, dst_y,	604	dst_x, dst_y,
823	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
824	}	606	}
825		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
		612
826	#if XRENDER	613	#if XRENDER
827	if (tr_flags)	614	if (need_blend)
828	{	615	{
		616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
829	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
830		618
831	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
832		620
833	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
834		622
835	Picture mask = create_xrender_mask (dpy, vt, False, False);	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
836		624
837	XRenderColor mask_c;	625	XRenderColor mask_c;
838		626
839	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
840	mask_c.red =	628	mask_c.red =
841	mask_c.green =	629	mask_c.green =
842	mask_c.blue = 0;	630	mask_c.blue = 0;
843	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
844		632
…		…
856	}	644	}
857		645
858	if (result != pixbuf)	646	if (result != pixbuf)
859	g_object_unref (result);	647	g_object_unref (result);
860		648
861	if (tr_flags)	649	if (need_blend)
862	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
863		651
864	return ret;	652	return ret;
865	}	653	}
866	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
867		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
868	bool	703	bool
869	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
870	{	705	{
871	if (!file || !*file)	706	if (!file || !*file)
872	return false;	707	return false;
873		708
874	bool ret = false;
875	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
876		710
877	if (p)	711	if (p)
878	{	712	{
879	size_t len = p - file;	713	size_t len = p - file;
…		…
881	memcpy (f, file, len);	715	memcpy (f, file, len);
882	f[len] = '\0';	716	f[len] = '\0';
883	file = f;	717	file = f;
884	}	718	}
885		719
886	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
887	if (!asimman)	721	alpha = 0x8000;
888	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
889	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
890	if (image)	724	return ret;
891	{	725	}
892	if (original_asim)	726
893	safe_asimage_destroy (original_asim);	727	bool
894	original_asim = image;	728	rxvt_image::set_file (const char *file)
895	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
896	ret = true;	730	bool ret = false;
897	}
898	# endif
899		731
900	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
901	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
902	if (image)	734	if (image)
903	{	735	{
904	if (pixbuf)	736	if (pixbuf)
905	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
906	pixbuf = image;	738	pixbuf = image;
907	bg_flags |= BG_IS_FROM_FILE;
908	ret = true;	739	ret = true;
909	}	740	}
910	# endif	741	# endif
911		742
912	if (ret)	743	if (ret)
913	{	744	flags |= IM_IS_SET;
914	if (p)
915	bg_set_geometry (p + 1);
916	else
917	bg_set_default_geometry ();
918	}
919		745
920	return ret;	746	return ret;
921	}	747	}
922		748
923	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
924		750
925	# ifdef ENABLE_TRANSPARENCY
926	bool	751	bool
927	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
928	{
929	if (!(bg_flags & BG_IS_TRANSPARENT))
930	{
931	bg_flags |= BG_IS_TRANSPARENT;
932	return true;
933	}
934
935	return false;
936	}
937
938	bool
939	rxvt_term::bg_set_blur (const char *geom)
940	{	753	{
941	bool changed = false;	754	bool changed = false;
942	unsigned int hr, vr;	755	unsigned int hr, vr;
943	int junk;	756	int junk;
944	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
961	{	774	{
962	changed = true;	775	changed = true;
963	v_blurRadius = vr;	776	v_blurRadius = vr;
964	}	777	}
965		778
966	if (h_blurRadius == 0 || v_blurRadius == 0)
967	bg_flags &= ~BG_NEEDS_BLUR;
968	else
969	bg_flags |= BG_NEEDS_BLUR;
970
971	return changed;	779	return changed;
972	}	780	}
973		781
974	void
975	rxvt_term::set_tint_shade_flags ()
976	{
977	rgba c;
978	bool has_shade = shade != 100;
979
980	bg_flags &= ~BG_TINT_FLAGS;
981
982	if (bg_flags & BG_TINT_SET)
983	{
984	tint.get (c);
985	if (!has_shade
986	&& (c.r <= 0x00ff || c.r >= 0xff00)
987	&& (c.g <= 0x00ff || c.g >= 0xff00)
988	&& (c.b <= 0x00ff || c.b >= 0xff00))
989	bg_flags |= BG_TINT_BITAND;
990	}
991
992	if (has_shade || (bg_flags & BG_TINT_SET))
993	bg_flags |= BG_NEEDS_TINT;
994	}
995
996	bool	782	bool
997	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
998	{	784	{
999	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
1000	{	786	{
1001	tint = new_tint;	787	tint = new_tint;
1002	bg_flags |= BG_TINT_SET;	788	tint_set = true;
1003	set_tint_shade_flags ();	789
1004	return true;	790	return true;
1005	}	791	}
1006		792
1007	return false;	793	return false;
1008	}	794	}
1009		795
1010	bool	796	bool
1011	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1012	{	798	{
1013	int new_shade = atoi (shade_str);	799	int new_shade = atoi (shade_str);
1014		800
1015	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1016	if (new_shade < 0)	802	if (new_shade < 0)
1017	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1018		804
1019	if (new_shade != shade)	805	if (new_shade != shade)
1020	{	806	{
1021	shade = new_shade;	807	shade = new_shade;
1022	set_tint_shade_flags ();
1023	return true;	808	return true;
1024	}	809	}
1025		810
1026	return false;	811	return false;
1027	}	812	}
…		…
1048	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1049	}	834	}
1050	#endif	835	#endif
1051		836
1052	bool	837	bool
1053	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1054	{	839	{
1055	bool ret = false;	840	bool ret = false;
1056	#if XRENDER	841	#if XRENDER
1057	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(bg_flags & BG_HAS_RENDER_CONV))
1058	return false;	843	return false;
…		…
1060	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1061	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1062	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1063		848
1064	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1065	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1066		852
1067	pa.repeat = RepeatPad;	853	pa.repeat = RepeatPad;
1068	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
1069	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);	855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1070	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
…		…
1113	#endif	899	#endif
1114	return ret;	900	return ret;
1115	}	901	}
1116		902
1117	bool	903	bool
1118	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1119	{	905	{
1120	bool ret = false;	906	bool ret = false;
1121		907
1122	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1123	{	917	{
1124	XGCValues gcv;	918	XGCValues gcv;
1125	GC gc;	919	GC gc;
1126		920
1127	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1139	}	933	}
1140	}	934	}
1141	# if XRENDER	935	# if XRENDER
1142	else if (bg_flags & BG_HAS_RENDER)	936	else if (bg_flags & BG_HAS_RENDER)
1143	{	937	{
1144	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1145
1146	if (bg_flags & BG_TINT_SET)
1147	tint.get (c);
1148
1149	if (shade <= 100)	938	if (shade <= 100)
1150	{	939	{
1151	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1152	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1153	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1157	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1158	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1159	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1160	}	949	}
1161		950
1162	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		952	: XRenderFindVisualFormat (dpy, visual);
1163		953
1164	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1165		955
1166	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1167		957
…		…
1203	# endif	993	# endif
1204		994
1205	return ret;	995	return ret;
1206	}	996	}
1207		997
		998	# ifdef ENABLE_TRANSPARENCY
1208	/*	999	/*
1209	* Builds a pixmap of the same size as the terminal window that contains	1000	* Builds a pixmap of the same size as the terminal window that contains
1210	* the tiled portion of the root pixmap that is supposed to be covered by	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1211	* our window.	1002	* our window.
1212	*/	1003	*/
1213	unsigned long	1004	bool
1214	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1215	{	1006	{
1216	unsigned long result = 0;	1007	bool ret = false;
1217		1008
1218	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1219	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1220	*/	1011	*/
1221	int screen = display->screen;	1012	int screen = display->screen;
…		…
1302	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1303		1094
1304	if (gc)	1095	if (gc)
1305	{	1096	{
1306	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1307	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1308		1101
1309	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1310	{	1103	{
1311	if (bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1312	{	1105	{
1313	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1314	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1315	}	1109	}
1316	if (bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1317	{	1111	{
1318	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1319	result &= ~BG_NEEDS_TINT;	1113	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1114	need_tint = false;
1320	}	1115	}
1321	# ifndef HAVE_AFTERIMAGE	1116	if (need_tint)
1322	if (result & BG_NEEDS_TINT)
1323	{	1117	{
1324	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1118	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1325	if (ximage)	1119	if (ximage)
1326	{	1120	{
1327	/* our own client-side tinting */	1121	/* our own client-side tinting */
1328	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1122	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
1329		1123
1330	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1124	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1331	XDestroyImage (ximage);	1125	XDestroyImage (ximage);
1332	}	1126	}
1333	}	1127	}
1334	# endif
1335	} /* server side rendering completed */	1128	} /* server side rendering completed */
1336		1129
1337	XFreeGC (dpy, gc);	1130	XFreeGC (dpy, gc);
1338	}	1131	}
1339		1132
1340	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1341	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1342		1135
1343	return result;	1136	return ret;
1344	}	1137	}
1345		1138
1346	void	1139	void
1347	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1348	{	1141	{
…		…
1355	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1356		1149
1357	bool	1150	bool
1358	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1359	{	1152	{
1360	unsigned long tr_flags = 0;
1361
1362	bg_invalidate ();	1153	bg_invalidate ();
1363	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1364	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1365	{	1156	{
1366	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1367	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1368	if (tr_flags == 0)
1369	return false;
1370	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1371	}	1160	}
1372	# endif	1161	# endif
1373		1162
1374	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1375	if ((bg_flags & BG_IS_FROM_FILE)	1164	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1376	|| (tr_flags & BG_EFFECTS_FLAGS))
1377	{	1165	{
1378	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1379	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1380	}	1168	}
1381	# endif	1169	# endif
1382		1170
1383	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
…		…
1398	}	1186	}
1399		1187
1400	void	1188	void
1401	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1402	{	1190	{
1403	#ifdef ENABLE_TRANSPARENCY
1404	shade = 100;
1405	#endif
1406
1407	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1408	#if XRENDER	1192	#if XRENDER
1409	int major, minor;	1193	int major, minor;
1410	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1411	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1417	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1418		1202
1419	XFree (filters);	1203	XFree (filters);
1420	}	1204	}
1421	#endif	1205	#endif
1422	}
1423		1206
1424	#endif /* HAVE_BG_PIXMAP */	1207	#ifdef BG_IMAGE_FROM_FILE
		1208	if (rs[Rs_backgroundPixmap])
		1209	{
		1210	rxvt_image *image = new_image ();
		1211	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1212	image_vec.pop_back ();
		1213	}
1425		1214
1426	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1215	# ifndef NO_RESOURCES
		1216	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1217	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1218	while (bg_image != image_vec.end ())
		1219	{
		1220	if (!(bg_image->flags & IM_IS_SET))
		1221	bg_image = image_vec.erase (bg_image);
		1222	else
		1223	{
		1224	if (bg_image->is_size_sensitive ())
		1225	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1226
		1227	bg_image++;
		1228	}
		1229	}
		1230	# endif
		1231
		1232	if (image_vec.size () > 0
		1233	&& !bg_window_position_sensitive ())
		1234	update_background ();
		1235	#endif
		1236	}
		1237
1427	/* based on code from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1428		1239
1429	static inline void	1240	static inline void
1430	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1431	{	1242	{
…		…
1437	lookup[i] = (tmp / 0xffff) << sh;	1248	lookup[i] = (tmp / 0xffff) << sh;
1438	}	1249	}
1439	}	1250	}
1440		1251
1441	void	1252	void
1442	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1443	{	1254	{
		1255	unsigned int size_r, size_g, size_b;
1444	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1445	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1446	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1447	unsigned short low;	1259	unsigned short low;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1453	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1456		1268
1457	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1459	{	1271	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1273
1462	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1463	(mask_b != 0x001f))	1275	size_g = mask_g >> sh_g;
		1276	size_b = mask_b >> sh_b;
		1277
		1278	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1464	return;	1279	return;
1465	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1280
		1281	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1466	lookup_r = lookup;	1282	lookup_r = lookup;
1467	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1284	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;
1470	sh_g = 5;
1471	sh_b = 0;
1472	break;
1473	case 16:
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		1285
1516	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1517		1287
1518	if (bg_flags & BG_TINT_SET)	1288	if (tint_set)
1519	tint.get (c);	1289	tint.get (c);
1520		1290
1521	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1522	if (shade > 100)	1292	if (shade > 100)
1523	{	1293	{
…		…
1541	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1542	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1543		1313
1544	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1545	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1546	&& (ximage->depth == 24 || ximage->depth == 32)
1547	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1548	{	1317	{
1549	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1550	p1 = (uint32_t *) ximage->data;
1551	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1552		1319
1553	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1554	{	1321	{
1555	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1556	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1557	for (; p < pl; p++)
1558	{	1324	{
1559	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1560	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1561	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1562	(*p & 0xff000000);	1328	p++;
1563	}	1329	}
1564	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1565	}	1331	}
1566	}	1332	}
1567	else	1333	else
1568	{	1334	{
1569	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1577	}	1343	}
1578	}	1344	}
1579		1345
1580	free (lookup);	1346	free (lookup);
1581	}	1347	}
1582	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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