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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.200 by sf-exg, Thu Jan 19 13:33:43 2012 UTC vs.
Revision 1.228 by sf-exg, Thu May 31 20:23:51 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.
…		…
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;
…		…
132		125
133	# ifdef BG_IMAGE_FROM_FILE	126	# ifdef BG_IMAGE_FROM_FILE
134	static inline int	127	static inline int
135	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
136	{	129	{
137	int diff = window_size - image_size;
138	int smaller = min (image_size, window_size);
139
140	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
141	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
142	else if (align > 100 && align <= 200)	132	else if (align > 100)
143	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
144	else if (align >= -100 && align < 0)	134	else
145	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
146	return 0;
147	}	136	}
148		137
149	static inline int	138	static inline int
150	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)
151	{	140	{
…		…
161		150
162	min_it (dst_size, target_size - dst_pos);	151	min_it (dst_size, target_size - dst_pos);
163	return src_pos;	152	return src_pos;
164	}	153	}
165		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
166	bool	190	bool
167	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
168	{	192	{
169	bool changed = false;	193	bool changed = false;
170	int geom_flags = 0;	194	int geom_flags = 0;
171	int x = h_align;	195	int x = h_align;
172	int y = v_align;	196	int y = v_align;
173	unsigned int w = h_scale;	197	unsigned int w = h_scale;
174	unsigned int h = v_scale;	198	unsigned int h = v_scale;
175	unsigned long new_flags = 0;	199	uint8_t new_flags = 0;
176		200
177	if (geom == NULL)	201	if (geom == NULL)
178	return false;	202	return false;
179		203
180	if (geom[0])	204	if (geom[0])
181	{	205	{
182	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
183		207
184	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
185	{	209	{
186	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
187	{	211	{
188	new_flags = BG_TILE;	212	parse_style (arr[i] + 6, x, y, w, h, new_flags);
189	w = h = noScale;
190	x = y = 0;
191	geom_flags = WidthValue|HeightValue|XValue|YValue;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
192	}	214	}
193	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
194	{
195	new_flags = BG_KEEP_ASPECT;
196	w = h = windowScale;
197	x = y = centerAlign;
198	geom_flags = WidthValue|HeightValue|XValue|YValue;
199	}
200	else if (!strcasecmp (arr[i], "style=stretched"))
201	{
202	new_flags = 0;
203	w = h = windowScale;
204	geom_flags = WidthValue|HeightValue;
205	}
206	else if (!strcasecmp (arr[i], "style=centered"))
207	{
208	new_flags = 0;
209	w = h = noScale;
210	x = y = centerAlign;
211	geom_flags = WidthValue|HeightValue|XValue|YValue;
212	}
213	else if (!strcasecmp (arr[i], "style=root-tiled"))
214	{
215	new_flags = BG_TILE|BG_ROOT_ALIGN;
216	w = h = noScale;
217	geom_flags = WidthValue|HeightValue;
218	}
219	else if (!strcasecmp (arr[i], "op=tile"))	215	else if (!strcasecmp (arr[i], "op=tile"))
220	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
221	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
222	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
223	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
224	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
225		221
226	// deprecated	222	// deprecated
227	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
228	{	224	{
229	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
230	w = h = noScale;	226	w = h = noScale;
231	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
232	}	228	}
233	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
234	{	230	{
235	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
236	w = h = windowScale;	232	w = h = windowScale;
237	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
238	}	234	}
239	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
240	{	236	{
241	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
242	w = windowScale;	238	w = windowScale;
243	h = noScale;	239	h = noScale;
244	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
245	}	241	}
246	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
247	{	243	{
248	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
249	h = windowScale;	245	h = windowScale;
250	w = noScale;	246	w = noScale;
251	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
252	}	248	}
253	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
261	x = y = centerAlign;	257	x = y = centerAlign;
262	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
263	}	259	}
264	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
265	{	261	{
266	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
267	w = h = noScale;	263	w = h = noScale;
268	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
269	}	265	}
270		266
271	else	267	else
…		…
273	} /* done parsing ops */	269	} /* done parsing ops */
274		270
275	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
276	}	272	}
277		273
278	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
279		275
280	if (!update)	276	if (!update)
281	{	277	{
282	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
283	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
290	h = w;	286	h = w;
291	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
292	w = h;	288	w = h;
293	}	289	}
294		290
295	min_it (w, 1000);
296	min_it (h, 1000);
297	clamp_it (x, -100, 200);	291	clamp_it (x, -100, 200);
298	clamp_it (y, -100, 200);	292	clamp_it (y, -100, 200);
299		293
300	if (bg_flags != new_flags	294	if (flags != new_flags
301	|| h_scale != w	295	|| h_scale != w
302	|| v_scale != h	296	|| v_scale != h
303	|| h_align != x	297	|| h_align != x
304	|| v_align != y)	298	|| v_align != y)
305	{	299	{
306	bg_flags = new_flags;	300	flags = new_flags;
307	h_scale = w;	301	h_scale = w;
308	v_scale = h;	302	v_scale = h;
309	h_align = x;	303	h_align = x;
310	v_align = y;	304	v_align = y;
311	changed = true;	305	changed = true;
312	}	306	}
313		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
314	return changed;	313	return changed;
315	}	314	}
316		315
317	void	316	void
318	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)
319	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
320	int target_width = szHint.width;	321	int target_width = szHint.width;
321	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);
322		325
323	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
324	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
325		328
326	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
327	{	330	{
328	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
329	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
330	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
331	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
332	}	335	}
333		336
334	if (!w) w = image_width;	337	if (!w) w = image_width;
335	if (!h) h = image_height;	338	if (!h) h = image_height;
336		339
337	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
338	{	341	{
339	x = -target_x;	342	x = -target_x;
340	y = -target_y;	343	y = -target_y;
341	}	344	}
342	else	345	else
343	{	346	{
344	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
345	y = make_align_position (v_align, target_height, h);	348	y = make_align_position (image.v_align, target_height, h);
346	}
347
348	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
349	if (!(bg_flags & BG_TILE)
350	|| h_scale || v_scale
351	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
352	|| w > target_width || h > target_height)
353	bg_flags |= BG_IS_SIZE_SENSITIVE;
354	}
355
356	# ifdef HAVE_AFTERIMAGE
357	bool
358	rxvt_term::render_image (unsigned long tr_flags)
359	{
360	init_asv ();
361
362	ASImage *background = NULL;
363	ARGB32 background_tint = TINT_LEAVE_SAME;
364
365	# ifdef ENABLE_TRANSPARENCY
366	if (tr_flags)
367	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
368
369	if (tr_flags & BG_NEEDS_TINT)
370	{	349	}
371	ShadingInfo as_shade;	350	}
372	as_shade.shading = shade;
373		351
374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	352	# ifdef HAVE_PIXBUF
375	if (bg_flags & BG_TINT_SET)	353	bool
376	tint.get (c);	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
377	as_shade.tintColor.red = c.r;	355	int src_x, int src_y, int dst_x, int dst_y,
378	as_shade.tintColor.green = c.g;	356	unsigned int width, unsigned int height, bool argb)
379	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;
380		366
381	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
382	}	371	{
383		372	red_mask = 0xff << 16;
384	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
385	{	376	}
386	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
387	ASA_XImage,	378	{
388	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);
389	if (tmp)	384	if (format)
390	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
391	destroy_asimage (&background);	386	else
392	background = tmp;	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++)
393	}	439	{
394	}	440	unsigned char *pixel = row + x * channels;
395	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
396		443
397	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		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);
		468	}
		469
		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);
398		496
399	int target_width = szHint.width;	497	int target_width = szHint.width;
400	int target_height = szHint.height;	498	int target_height = szHint.height;
401	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
402	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
404	int x = 0;	502	int x = 0;
405	int y = 0;	503	int y = 0;
406	int w = 0;	504	int w = 0;
407	int h = 0;	505	int h = 0;
408		506
409	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
410	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
411		508
412	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
413	|| (!(bg_flags & BG_ROOT_ALIGN)
414	&& (x >= target_width	510	&& (x >= target_width
415	|| y >= target_height	511	|| y >= target_height
416	|| x + w <= 0	512	|| x + w <= 0
417	|| y + h <= 0)))	513	|| y + h <= 0))
418	{	514	return false;
419	if (background)
420	{
421	new_pmap_width = background->width;
422	new_pmap_height = background->height;
423	result = background;
424		515
425	if (background_tint != TINT_LEAVE_SAME)	516	result = pixbuf;
426	{	517
427	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
428	target_width, target_height, background_tint,	519	|| h != image_height)
429	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
430	if (tmp)
431	result = tmp;
432	}
433	}
434	else
435	new_pmap_width = new_pmap_height = 0;
436	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		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);
437	else	540	else
438	{	541	{
439	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
440		543	// other pixbufs to render. Otherwise, the bg pixmap size must
441	if (w != original_asim->width	544	// be equal to the window size.
442	|| h != original_asim->height)	545	if ((image.flags & IM_TILE)
443	{	546	&& image_vec.size () == 1)
444	result = scale_asimage (asv, original_asim,
445	w, h,
446	ASA_XImage,
447	100, ASIMAGE_QUALITY_DEFAULT);
448	}	547	{
449		548	new_pmap_width = min (image_width, target_width);
450	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
451	{	550	}
452	if (bg_flags & BG_TILE)
453	{
454	/* if tiling - pixmap has to be sized exactly as the image,
455	but there is no need to make it bigger than the window! */
456	new_pmap_width = min (result->width, target_width);
457	new_pmap_height = min (result->height, target_height);
458		551
459	/* we also need to tile our image in both directions */
460	ASImage *tmp = tile_asimage (asv, result,
461	(int)result->width - x,
462	(int)result->height - y,
463	new_pmap_width,
464	new_pmap_height,
465	TINT_LEAVE_SAME, ASA_XImage,
466	100, ASIMAGE_QUALITY_DEFAULT);
467	if (tmp)
468	{
469	if (result != original_asim)
470	destroy_asimage (&result);
471
472	result = tmp;
473	}
474	}
475	}
476	else
477	{
478	/* if blending background and image - pixmap has to be sized same as target window */
479	ASImageLayer *layers = create_image_layers (2);
480
481	layers[0].im = background;
482	layers[0].clip_width = target_width;
483	layers[0].clip_height = target_height;
484	layers[0].tint = background_tint;
485	layers[1].im = result;
486
487	if (bg_flags & BG_TILE)
488	{
489	/* tile horizontally */
490	while (x > 0) x -= (int)result->width;
491	layers[1].dst_x = x;
492	layers[1].clip_width = result->width+target_width;
493	}
494	else
495	{
496	/* clip horizontally */
497	layers[1].dst_x = x;
498	layers[1].clip_width = result->width;
499	}
500
501	if (bg_flags & BG_TILE)
502	{
503	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;
506	}
507	else
508	{
509	layers[1].dst_y = y;
510	layers[1].clip_height = result->height;
511	}
512
513	if (rs[Rs_blendtype])
514	{
515	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
516	if (layers[1].merge_scanlines == NULL)
517	layers[1].merge_scanlines = alphablend_scanlines;
518	}
519
520	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
521	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
522
523	if (tmp)
524	{
525	if (result != original_asim)
526	destroy_asimage (&result);
527
528	result = tmp;
529	}
530
531	free (layers);
532	}
533	}
534
535	bool ret = false;
536
537	if (result)
538	{
539	XGCValues gcv;
540	GC gc;
541
542	/* create Pixmap */
543	if (bg_pixmap == None	552	if (bg_pixmap == None
544	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
545	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
546	{	555	{
547	if (bg_pixmap)	556	if (bg_pixmap)
548	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
549	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);
550	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
551	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
552	}	561	}
553	/* fill with background color (if result's not completely overlapping it) */
554	gcv.foreground = pix_colors[Color_bg];
555	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
556		562
557	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
558	int dst_width = result->width, dst_height = result->height;
559	if (background == NULL)
560	{
561	if (!(bg_flags & BG_TILE))
562	{
563	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
564	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
565	}
566
567	if (dst_x > 0 || dst_y > 0
568	|| dst_x + dst_width < new_pmap_width
569	|| dst_y + dst_height < new_pmap_height)
570	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
571	}
572
573	/* put result on pixmap */
574	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
575	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
576
577	if (result != background && result != original_asim)
578	destroy_asimage (&result);
579
580	XFreeGC (dpy, gc);
581
582	ret = true;
583	}
584
585	if (background)
586	destroy_asimage (&background);
587
588	return ret;
589	}
590	# endif /* HAVE_AFTERIMAGE */
591
592	# ifdef HAVE_PIXBUF
593	bool
594	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
595	int src_x, int src_y, int dst_x, int dst_y,
596	unsigned int width, unsigned int height)
597	{
598	XImage *ximage;
599	char *data, *line;
600	int bytes_per_pixel;
601	int width_r, width_g, width_b;
602	int sh_r, sh_g, sh_b;
603	int rowstride;
604	int channels;
605	unsigned char *row;
606
607	if (visual->c_class != TrueColor)
608	return false;
609
610	if (depth == 24 || depth == 32)
611	bytes_per_pixel = 4;
612	else if (depth == 15 || depth == 16)
613	bytes_per_pixel = 2;
614	else
615	return false;
616
617	width_r = ecb_popcount32 (visual->red_mask);
618	width_g = ecb_popcount32 (visual->green_mask);
619	width_b = ecb_popcount32 (visual->blue_mask);
620
621	if (width_r > 8 || width_g > 8 || width_b > 8)
622	return false;
623
624	sh_r = ecb_ctz32 (visual->red_mask);
625	sh_g = ecb_ctz32 (visual->green_mask);
626	sh_b = ecb_ctz32 (visual->blue_mask);
627
628	if (width > INT_MAX / height / bytes_per_pixel)
629	return false;
630
631	data = (char *)malloc (width * height * bytes_per_pixel);
632	if (!data)
633	return false;
634
635	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
636	width, height, bytes_per_pixel * 8, 0);
637	if (!ximage)
638	{
639	free (data);
640	return false;
641	}
642
643	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
644
645	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
646	channels = gdk_pixbuf_get_n_channels (pixbuf);
647	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
648	line = data;
649
650	for (int y = 0; y < height; y++)
651	{
652	for (int x = 0; x < width; x++)
653	{
654	unsigned char *pixel = row + x * channels;
655	uint32_t value;
656
657	value = ((pixel[0] >> (8 - width_r)) << sh_r)
658	| ((pixel[1] >> (8 - width_g)) << sh_g)
659	| ((pixel[2] >> (8 - width_b)) << sh_b);
660
661	if (bytes_per_pixel == 4)
662	((uint32_t *)line)[x] = value;
663	else
664	((uint16_t *)line)[x] = value;
665	}
666
667	row += rowstride;
668	line += ximage->bytes_per_line;
669	}
670
671	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
672	XDestroyImage (ximage);
673	return true;
674	}
675
676	bool
677	rxvt_term::render_image (unsigned long tr_flags)
678	{
679	if (!pixbuf)
680	return false;
681
682	if (tr_flags
683	&& !(bg_flags & BG_HAS_RENDER))
684	return false;
685
686	GdkPixbuf *result;
687
688	int image_width = gdk_pixbuf_get_width (pixbuf);
689	int image_height = gdk_pixbuf_get_height (pixbuf);
690
691	int target_width = szHint.width;
692	int target_height = szHint.height;
693	int new_pmap_width = target_width;
694	int new_pmap_height = target_height;
695
696	int x = 0;
697	int y = 0;
698	int w = 0;
699	int h = 0;
700
701	get_image_geometry (image_width, image_height, w, h, x, y);
702
703	if (!(bg_flags & BG_ROOT_ALIGN)
704	&& (x >= target_width
705	|| y >= target_height
706	|| x + w <= 0
707	|| y + h <= 0))
708	return false;
709
710	result = pixbuf;
711
712	if (w != image_width
713	|| h != image_height)
714	{
715	result = gdk_pixbuf_scale_simple (pixbuf,
716	w, h,
717	GDK_INTERP_BILINEAR);
718	}
719
720	if (!result)
721	return false;
722
723	bool ret = false;
724
725	XGCValues gcv;
726	GC gc;
727	Pixmap root_pmap;
728
729	image_width = gdk_pixbuf_get_width (result);
730	image_height = gdk_pixbuf_get_height (result);
731
732	if (tr_flags)
733	{
734	root_pmap = bg_pixmap;	563	tmp_pixmap = bg_pixmap;
735	bg_pixmap = None;
736	}
737	else
738	{
739	if (bg_flags & BG_TILE)
740	{
741	new_pmap_width = min (image_width, target_width);
742	new_pmap_height = min (image_height, target_height);
743	}
744	}
745
746	if (bg_pixmap == None
747	|| bg_pmap_width != new_pmap_width
748	|| bg_pmap_height != new_pmap_height)
749	{
750	if (bg_pixmap)
751	XFreePixmap (dpy, bg_pixmap);
752	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
753	bg_pmap_width = new_pmap_width;
754	bg_pmap_height = new_pmap_height;
755	}	564	}
756		565
757	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
758	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
759		568
760	if (gc)	569	if (gc)
761	{	570	{
762	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
763	{	572	{
764	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
765	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
766	0, 0,	575	0, 0,
767	0, 0,	576	0, 0,
768	image_width, image_height);	577	image_width, image_height, need_blend);
769		578
770	gcv.tile = tile;	579	gcv.tile = tile;
771	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
772	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
773	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
774	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
775		584
776	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);
777	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
778	}	587	}
779	else	588	else
780	{	589	{
781	int src_x, src_y, dst_x, dst_y;	590	int src_x, src_y, dst_x, dst_y;
…		…
785	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);
786		595
787	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
788	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
789	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
790	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);
791		600
792	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
793	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
794	src_x, src_y,	603	src_x, src_y,
795	dst_x, dst_y,	604	dst_x, dst_y,
796	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
797	}	606	}
		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);
798		612
799	#if XRENDER	613	#if XRENDER
800	if (tr_flags)	614	if (need_blend)
801	{	615	{
		616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
802	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
803		618
804	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
805		620
806	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
807		622
808	Picture mask = create_xrender_mask (dpy, vt, False, False);	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
809		624
810	XRenderColor mask_c;	625	XRenderColor mask_c;
811		626
812	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
813	mask_c.red =	628	mask_c.red =
814	mask_c.green =	629	mask_c.green =
815	mask_c.blue = 0;	630	mask_c.blue = 0;
816	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
817		632
…		…
829	}	644	}
830		645
831	if (result != pixbuf)	646	if (result != pixbuf)
832	g_object_unref (result);	647	g_object_unref (result);
833		648
834	if (tr_flags)	649	if (need_blend)
835	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
836		651
837	return ret;	652	return ret;
838	}	653	}
839	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
840		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
841	bool	703	bool
842	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
843	{	705	{
844	if (!file || !*file)	706	if (!file || !*file)
845	return false;	707	return false;
846		708
847	bool ret = false;
848	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
849		710
850	if (p)	711	if (p)
851	{	712	{
852	size_t len = p - file;	713	size_t len = p - file;
…		…
854	memcpy (f, file, len);	715	memcpy (f, file, len);
855	f[len] = '\0';	716	f[len] = '\0';
856	file = f;	717	file = f;
857	}	718	}
858		719
859	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
860	if (!asimman)	721	alpha = 0x8000;
861	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
862	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
863	if (image)	724	return ret;
864	{	725	}
865	if (original_asim)	726
866	safe_asimage_destroy (original_asim);	727	bool
867	original_asim = image;	728	rxvt_image::set_file (const char *file)
868	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
869	ret = true;	730	bool ret = false;
870	}
871	# endif
872		731
873	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
874	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
875	if (image)	734	if (image)
876	{	735	{
877	if (pixbuf)	736	if (pixbuf)
878	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
879	pixbuf = image;	738	pixbuf = image;
880	bg_flags |= BG_IS_FROM_FILE;
881	ret = true;	739	ret = true;
882	}	740	}
883	# endif	741	# endif
884		742
885	if (ret)	743	if (ret)
886	{	744	flags |= IM_IS_SET;
887	if (p)
888	bg_set_geometry (p + 1);
889	else
890	bg_set_default_geometry ();
891	}
892		745
893	return ret;	746	return ret;
894	}	747	}
895		748
896	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
897		750
898	# ifdef ENABLE_TRANSPARENCY
899	bool	751	bool
900	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
901	{
902	if (!(bg_flags & BG_IS_TRANSPARENT))
903	{
904	bg_flags |= BG_IS_TRANSPARENT;
905	return true;
906	}
907
908	return false;
909	}
910
911	bool
912	rxvt_term::bg_set_blur (const char *geom)
913	{	753	{
914	bool changed = false;	754	bool changed = false;
915	unsigned int hr, vr;	755	unsigned int hr, vr;
916	int junk;	756	int junk;
917	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
934	{	774	{
935	changed = true;	775	changed = true;
936	v_blurRadius = vr;	776	v_blurRadius = vr;
937	}	777	}
938		778
939	if (h_blurRadius == 0 || v_blurRadius == 0)
940	bg_flags &= ~BG_NEEDS_BLUR;
941	else
942	bg_flags |= BG_NEEDS_BLUR;
943
944	return changed;	779	return changed;
945	}	780	}
946		781
947	void
948	rxvt_term::set_tint_shade_flags ()
949	{
950	rgba c;
951	bool has_shade = shade != 100;
952
953	bg_flags &= ~BG_TINT_FLAGS;
954
955	if (bg_flags & BG_TINT_SET)
956	{
957	tint.get (c);
958	if (!has_shade
959	&& (c.r <= 0x00ff || c.r >= 0xff00)
960	&& (c.g <= 0x00ff || c.g >= 0xff00)
961	&& (c.b <= 0x00ff || c.b >= 0xff00))
962	bg_flags |= BG_TINT_BITAND;
963	}
964
965	if (has_shade || (bg_flags & BG_TINT_SET))
966	bg_flags |= BG_NEEDS_TINT;
967	}
968
969	bool	782	bool
970	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
971	{	784	{
972	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)	785	if (!tint_set || tint != new_tint)
973	{	786	{
974	tint = new_tint;	787	tint = new_tint;
975	bg_flags |= BG_TINT_SET;	788	tint_set = true;
976	set_tint_shade_flags ();	789
977	return true;	790	return true;
978	}	791	}
979		792
980	return false;	793	return false;
981	}	794	}
982		795
983	bool	796	bool
984	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
985	{	798	{
986	int new_shade = atoi (shade_str);	799	int new_shade = atoi (shade_str);
987		800
988	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
989	if (new_shade < 0)	802	if (new_shade < 0)
990	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
991		804
992	if (new_shade != shade)	805	if (new_shade != shade)
993	{	806	{
994	shade = new_shade;	807	shade = new_shade;
995	set_tint_shade_flags ();
996	return true;	808	return true;
997	}	809	}
998		810
999	return false;	811	return false;
1000	}	812	}
…		…
1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1022	}	834	}
1023	#endif	835	#endif
1024		836
1025	bool	837	bool
1026	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)
1027	{	839	{
1028	bool ret = false;	840	bool ret = false;
1029	#if XRENDER	841	#if XRENDER
1030	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(bg_flags & BG_HAS_RENDER_CONV))
1031	return false;	843	return false;
…		…
1033	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1034	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1035	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1036		848
1037	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1038	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1039		852
1040	pa.repeat = RepeatPad;	853	pa.repeat = RepeatPad;
1041	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
1042	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);	855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1043	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
…		…
1086	#endif	899	#endif
1087	return ret;	900	return ret;
1088	}	901	}
1089		902
1090	bool	903	bool
1091	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)
1092	{	905	{
1093	bool ret = false;	906	bool ret = false;
1094		907
1095	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))
1096	{	917	{
1097	XGCValues gcv;	918	XGCValues gcv;
1098	GC gc;	919	GC gc;
1099		920
1100	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1112	}	933	}
1113	}	934	}
1114	# if XRENDER	935	# if XRENDER
1115	else if (bg_flags & BG_HAS_RENDER)	936	else if (bg_flags & BG_HAS_RENDER)
1116	{	937	{
1117	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1118
1119	if (bg_flags & BG_TINT_SET)
1120	tint.get (c);
1121
1122	if (shade <= 100)	938	if (shade <= 100)
1123	{	939	{
1124	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1125	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1126	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1130	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1131	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1132	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1133	}	949	}
1134		950
1135	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		952	: XRenderFindVisualFormat (dpy, visual);
1136		953
1137	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1138		955
1139	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1140		957
…		…
1176	# endif	993	# endif
1177		994
1178	return ret;	995	return ret;
1179	}	996	}
1180		997
		998	# ifdef ENABLE_TRANSPARENCY
1181	/*	999	/*
1182	* 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
1183	* 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
1184	* our window.	1002	* our window.
1185	*/	1003	*/
1186	unsigned long	1004	bool
1187	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1188	{	1006	{
1189	unsigned long result = 0;	1007	bool ret = false;
1190		1008
1191	/* 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
1192	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1193	*/	1011	*/
1194	int screen = display->screen;	1012	int screen = display->screen;
…		…
1275	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1276		1094
1277	if (gc)	1095	if (gc)
1278	{	1096	{
1279	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1280	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 ();
1281		1101
1282	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
1283	{	1107	}
1284	if (bg_flags & BG_NEEDS_BLUR)	1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
1285	{	1118	{
1286	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))	1119	/* our own client-side tinting */
1287	result &= ~BG_NEEDS_BLUR;	1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
1288	}	1124	}
1289	if (bg_flags & BG_NEEDS_TINT)
1290	{
1291	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1292	result &= ~BG_NEEDS_TINT;
1293	}	1125	}
1294	# ifndef HAVE_AFTERIMAGE
1295	if (result & BG_NEEDS_TINT)
1296	{
1297	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1298	if (ximage)
1299	{
1300	/* our own client-side tinting */
1301	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1302
1303	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1304	XDestroyImage (ximage);
1305	}
1306	}
1307	# endif
1308	} /* server side rendering completed */
1309		1126
1310	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1311	}	1128	}
1312		1129
1313	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1315		1132
1316	return result;	1133	return ret;
1317	}	1134	}
1318		1135
1319	void	1136	void
1320	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1321	{	1138	{
…		…
1328	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1329		1146
1330	bool	1147	bool
1331	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1332	{	1149	{
1333	unsigned long tr_flags = 0;
1334
1335	bg_invalidate ();	1150	bg_invalidate ();
1336	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1337	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1338	{	1153	{
1339	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1340	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1341	if (tr_flags)
1342	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1343	}	1157	}
1344	# endif	1158	# endif
1345		1159
1346	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1347	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1348	|| (tr_flags & BG_EFFECTS_FLAGS))
1349	{	1162	{
1350	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1351	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1352	}	1165	}
1353	# endif	1166	# endif
1354		1167
1355	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
…		…
1370	}	1183	}
1371		1184
1372	void	1185	void
1373	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1374	{	1187	{
1375	#ifdef ENABLE_TRANSPARENCY
1376	shade = 100;
1377	#endif
1378
1379	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1188	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1380	#if XRENDER	1189	#if XRENDER
1381	int major, minor;	1190	int major, minor;
1382	if (XRenderQueryVersion (dpy, &major, &minor))	1191	if (XRenderQueryVersion (dpy, &major, &minor))
1383	bg_flags |= BG_HAS_RENDER;	1192	bg_flags |= BG_HAS_RENDER;
…		…
1389	bg_flags |= BG_HAS_RENDER_CONV;	1198	bg_flags |= BG_HAS_RENDER_CONV;
1390		1199
1391	XFree (filters);	1200	XFree (filters);
1392	}	1201	}
1393	#endif	1202	#endif
1394	}
1395		1203
1396	#endif /* HAVE_BG_PIXMAP */	1204	#ifdef BG_IMAGE_FROM_FILE
		1205	if (rs[Rs_backgroundPixmap])
		1206	{
		1207	rxvt_image *image = new_image ();
		1208	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1209	image_vec.pop_back ();
		1210	}
1397		1211
1398	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1212	# ifndef NO_RESOURCES
		1213	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1214	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1215	while (bg_image != image_vec.end ())
		1216	{
		1217	if (!(bg_image->flags & IM_IS_SET))
		1218	bg_image = image_vec.erase (bg_image);
		1219	else
		1220	{
		1221	if (bg_image->is_size_sensitive ())
		1222	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1223
		1224	bg_image++;
		1225	}
		1226	}
		1227	# endif
		1228
		1229	if (image_vec.size () > 0
		1230	&& !bg_window_position_sensitive ())
		1231	update_background ();
		1232	#endif
		1233	}
		1234
1399	/* based on code from aterm-0.4.2 */	1235	/* based on code from aterm-0.4.2 */
1400		1236
1401	static inline void	1237	static inline void
1402	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1238	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1403	{	1239	{
…		…
1409	lookup[i] = (tmp / 0xffff) << sh;	1245	lookup[i] = (tmp / 0xffff) << sh;
1410	}	1246	}
1411	}	1247	}
1412		1248
1413	void	1249	void
1414	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1250	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1415	{	1251	{
		1252	unsigned int size_r, size_g, size_b;
1416	int sh_r, sh_g, sh_b;	1253	int sh_r, sh_g, sh_b;
1417	uint32_t mask_r, mask_g, mask_b;	1254	uint32_t mask_r, mask_g, mask_b;
1418	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1255	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1419	unsigned short low;	1256	unsigned short low;
1420	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1257	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1425	mask_r = visual->red_mask;	1262	mask_r = visual->red_mask;
1426	mask_g = visual->green_mask;	1263	mask_g = visual->green_mask;
1427	mask_b = visual->blue_mask;	1264	mask_b = visual->blue_mask;
1428		1265
1429	/* boring lookup table pre-initialization */	1266	/* boring lookup table pre-initialization */
1430	switch (ximage->depth)	1267	sh_r = ecb_ctz32 (mask_r);
1431	{	1268	sh_g = ecb_ctz32 (mask_g);
1432	case 15:	1269	sh_b = ecb_ctz32 (mask_b);
1433	if ((mask_r != 0x7c00) ||	1270
1434	(mask_g != 0x03e0) ||	1271	size_r = mask_r >> sh_r;
1435	(mask_b != 0x001f))	1272	size_g = mask_g >> sh_g;
		1273	size_b = mask_b >> sh_b;
		1274
		1275	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1436	return;	1276	return;
1437	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1277
		1278	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1438	lookup_r = lookup;	1279	lookup_r = lookup;
1439	lookup_g = lookup+32;	1280	lookup_g = lookup + size_r;
1440	lookup_b = lookup+32+32;	1281	lookup_b = lookup + size_r + size_g;
1441	sh_r = 10;
1442	sh_g = 5;
1443	sh_b = 0;
1444	break;
1445	case 16:
1446	if ((mask_r != 0xf800) ||
1447	(mask_g != 0x07e0) ||
1448	(mask_b != 0x001f))
1449	return;
1450	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1451	lookup_r = lookup;
1452	lookup_g = lookup+32;
1453	lookup_b = lookup+32+64;
1454	sh_r = 11;
1455	sh_g = 5;
1456	sh_b = 0;
1457	break;
1458	case 24:
1459	if ((mask_r != 0xff0000) ||
1460	(mask_g != 0x00ff00) ||
1461	(mask_b != 0x0000ff))
1462	return;
1463	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1464	lookup_r = lookup;
1465	lookup_g = lookup+256;
1466	lookup_b = lookup+256+256;
1467	sh_r = 16;
1468	sh_g = 8;
1469	sh_b = 0;
1470	break;
1471	case 32:
1472	if ((mask_r != 0xff0000) ||
1473	(mask_g != 0x00ff00) ||
1474	(mask_b != 0x0000ff))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1477	lookup_r = lookup;
1478	lookup_g = lookup+256;
1479	lookup_b = lookup+256+256;
1480	sh_r = 16;
1481	sh_g = 8;
1482	sh_b = 0;
1483	break;
1484	default:
1485	return; /* we do not support this color depth */
1486	}
1487		1282
1488	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1283	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1489		1284
1490	if (bg_flags & BG_TINT_SET)	1285	if (tint_set)
1491	tint.get (c);	1286	tint.get (c);
1492		1287
1493	/* prepare limits for color transformation (each channel is handled separately) */	1288	/* prepare limits for color transformation (each channel is handled separately) */
1494	if (shade > 100)	1289	if (shade > 100)
1495	{	1290	{
…		…
1513	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1308	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1514	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1309	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1515		1310
1516	/* apply table to input image (replacing colors by newly calculated ones) */	1311	/* apply table to input image (replacing colors by newly calculated ones) */
1517	if (ximage->bits_per_pixel == 32	1312	if (ximage->bits_per_pixel == 32
1518	&& (ximage->depth == 24 || ximage->depth == 32)
1519	&& ximage->byte_order == host_byte_order)	1313	&& ximage->byte_order == host_byte_order)
1520	{	1314	{
1521	uint32_t *p1, *pf, *p, *pl;	1315	char *line = ximage->data;
1522	p1 = (uint32_t *) ximage->data;
1523	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1524		1316
1525	while (p1 < pf)	1317	for (int y = 0; y < ximage->height; y++)
1526	{	1318	{
1527	p = p1;	1319	uint32_t *p = (uint32_t *)line;
1528	pl = p1 + ximage->width;	1320	for (int x = 0; x < ximage->width; x++)
1529	for (; p < pl; p++)
1530	{	1321	{
1531	*p = lookup_r[(*p & 0xff0000) >> 16] |	1322	*p = lookup_r[(*p & mask_r) >> sh_r] |
1532	lookup_g[(*p & 0x00ff00) >> 8] |	1323	lookup_g[(*p & mask_g) >> sh_g] |
1533	lookup_b[(*p & 0x0000ff)] |	1324	lookup_b[(*p & mask_b) >> sh_b];
1534	(*p & 0xff000000);	1325	p++;
1535	}	1326	}
1536	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1327	line += ximage->bytes_per_line;
1537	}	1328	}
1538	}	1329	}
1539	else	1330	else
1540	{	1331	{
1541	for (int y = 0; y < ximage->height; y++)	1332	for (int y = 0; y < ximage->height; y++)
…		…
1549	}	1340	}
1550	}	1341	}
1551		1342
1552	free (lookup);	1343	free (lookup);
1553	}	1344	}
1554	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1345
		1346	#endif /* HAVE_BG_PIXMAP */

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