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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.194 by sf-exg, Sun Jan 1 17:43:47 2012 UTC vs.
Revision 1.219 by sf-exg, Thu May 24 16:17:33 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
31	#endif	31	#endif
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
		35	#endif
		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
35	#endif	39	#endif
36		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
38	# if XRENDER	42	# if XRENDER
39	static Picture	43	static Picture
…		…
54	# endif	58	# endif
55		59
56	void	60	void
57	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
58	{	62	{
59	#ifdef HAVE_AFTERIMAGE
60	if (original_asim)
61	safe_asimage_destroy (original_asim);
62	if (asv)
63	destroy_asvisual (asv, 0);
64	if (asimman)
65	destroy_image_manager (asimman, 0);
66	#endif
67
68	#ifdef HAVE_PIXBUF
69	if (pixbuf)
70	g_object_unref (pixbuf);
71	#endif
72
73	if (bg_pixmap)	63	if (bg_pixmap)
74	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
75	}	65	}
76		66
77	bool	67	bool
…		…
95	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
96	return true;	86	return true;
97	# endif	87	# endif
98		88
99	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
100	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
101	{	91	{
102	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
103	return true;	95	return true;
104	}	96	}
105	# endif	97	# endif
106		98
107	return false;	99	return false;
…		…
114	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
115	return true;	107	return true;
116	# endif	108	# endif
117		109
118	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
119	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
120	{	112	{
121	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
122	return true;	114	return true;
123	}	115	}
124	# endif	116	# endif
125		117
126	return false;	118	return false;
127	}	119	}
128		120
129	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
130	static inline bool
131	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
132	{
133	if (geom_flags & flag)
134	{
135	if (new_value > 1000)
136	new_value = 1000;
137	if (new_value != scale)
138	{
139	scale = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline bool
147	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
148	{
149	if (geom_flags & flag)
150	{
151	if (new_value < -100)
152	new_value = -100;
153	else if (new_value > 200)
154	new_value = 200;
155	if (new_value != align)
156	{
157	align = new_value;
158	return true;
159	}
160	}
161	return false;
162	}
163
164	static inline int	122	static inline int
165	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
166	{	124	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
171	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	127	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	129	else
175	return (align + 100) * smaller / 100 - image_size;	130	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	131	}
178		132
179	static inline int	133	static inline int
180	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
181	{	135	{
…		…
187	src_pos = -pos;	141	src_pos = -pos;
188	dst_pos = 0;	142	dst_pos = 0;
189	dst_size += pos;	143	dst_size += pos;
190	}	144	}
191		145
192	if (dst_pos + dst_size > target_size)
193	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
194	return src_pos;	147	return src_pos;
195	}	148	}
196		149
		150	static void
		151	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		152	{
		153	if (!strcasecmp (style, "tiled"))
		154	{
		155	flags = IM_TILE;
		156	w = h = noScale;
		157	x = y = 0;
		158	}
		159	else if (!strcasecmp (style, "aspect-stretched"))
		160	{
		161	flags = IM_KEEP_ASPECT;
		162	w = h = windowScale;
		163	x = y = centerAlign;
		164	}
		165	else if (!strcasecmp (style, "stretched"))
		166	{
		167	flags = 0;
		168	w = h = windowScale;
		169	x = y = centerAlign;
		170	}
		171	else if (!strcasecmp (style, "centered"))
		172	{
		173	flags = 0;
		174	w = h = noScale;
		175	x = y = centerAlign;
		176	}
		177	else if (!strcasecmp (style, "root-tiled"))
		178	{
		179	flags = IM_TILE|IM_ROOT_ALIGN;
		180	w = h = noScale;
		181	x = y = 0;
		182	}
		183	}
		184
197	bool	185	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	186	rxvt_image::set_geometry (const char *geom, bool update)
199	{	187	{
200	bool changed = false;	188	bool changed = false;
201	int geom_flags = 0;	189	int geom_flags = 0;
202	int x = 0, y = 0;	190	int x = h_align;
		191	int y = v_align;
203	unsigned int w = 0, h = 0;	192	unsigned int w = h_scale;
204	unsigned long new_flags = 0;	193	unsigned int h = v_scale;
		194	uint8_t new_flags = 0;
205		195
206	if (geom == NULL)	196	if (geom == NULL)
207	return false;	197	return false;
208		198
209	if (geom[0])	199	if (geom[0])
210	{	200	{
211	char **arr = rxvt_strsplit (':', geom);	201	char **arr = rxvt_strsplit (':', geom);
212		202
213	for (int i = 0; arr[i]; i++)	203	for (int i = 0; arr[i]; i++)
214	{	204	{
215	if (!strcasecmp (arr[i], "style=tiled"))	205	if (!strncasecmp (arr[i], "style=", 6))
216	{	206	{
217	new_flags = BG_TILE;	207	parse_style (arr[i] + 6, x, y, w, h, new_flags);
218	w = h = noScale;
219	x = y = 0;
220	geom_flags = WidthValue|HeightValue|XValue|YValue;	208	geom_flags = WidthValue|HeightValue|XValue|YValue;
221	}	209	}
222	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
223	{
224	new_flags = BG_KEEP_ASPECT;
225	w = h = windowScale;
226	x = y = centerAlign;
227	geom_flags = WidthValue|HeightValue|XValue|YValue;
228	}
229	else if (!strcasecmp (arr[i], "style=stretched"))
230	{
231	new_flags = 0;
232	w = h = windowScale;
233	geom_flags = WidthValue|HeightValue;
234	}
235	else if (!strcasecmp (arr[i], "style=centered"))
236	{
237	new_flags = 0;
238	w = h = noScale;
239	x = y = centerAlign;
240	geom_flags = WidthValue|HeightValue|XValue|YValue;
241	}
242	else if (!strcasecmp (arr[i], "style=root-tiled"))
243	{
244	new_flags = BG_TILE|BG_ROOT_ALIGN;
245	w = h = noScale;
246	geom_flags = WidthValue|HeightValue;
247	}
248	else if (!strcasecmp (arr[i], "op=tile"))	210	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags |= BG_TILE;	211	new_flags |= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	212	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags |= BG_KEEP_ASPECT;	213	new_flags |= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	214	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags |= BG_ROOT_ALIGN;	215	new_flags |= IM_ROOT_ALIGN;
254		216
255	// deprecated	217	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	218	else if (!strcasecmp (arr[i], "tile"))
257	{	219	{
258	new_flags |= BG_TILE;	220	new_flags |= IM_TILE;
259	w = h = noScale;	221	w = h = noScale;
260	geom_flags |= WidthValue|HeightValue;	222	geom_flags |= WidthValue|HeightValue;
261	}	223	}
262	else if (!strcasecmp (arr[i], "propscale"))	224	else if (!strcasecmp (arr[i], "propscale"))
263	{	225	{
264	new_flags |= BG_KEEP_ASPECT;	226	new_flags |= IM_KEEP_ASPECT;
265	w = h = windowScale;	227	w = h = windowScale;
266	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
267	}	229	}
268	else if (!strcasecmp (arr[i], "hscale"))	230	else if (!strcasecmp (arr[i], "hscale"))
269	{	231	{
270	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
271	w = windowScale;	233	w = windowScale;
272	h = noScale;	234	h = noScale;
273	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
274	}	236	}
275	else if (!strcasecmp (arr[i], "vscale"))	237	else if (!strcasecmp (arr[i], "vscale"))
276	{	238	{
277	new_flags |= BG_TILE;	239	new_flags |= IM_TILE;
278	h = windowScale;	240	h = windowScale;
279	w = noScale;	241	w = noScale;
280	geom_flags |= WidthValue|HeightValue;	242	geom_flags |= WidthValue|HeightValue;
281	}	243	}
282	else if (!strcasecmp (arr[i], "scale"))	244	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	252	x = y = centerAlign;
291	geom_flags |= WidthValue|HeightValue|XValue|YValue;	253	geom_flags |= WidthValue|HeightValue|XValue|YValue;
292	}	254	}
293	else if (!strcasecmp (arr[i], "root"))	255	else if (!strcasecmp (arr[i], "root"))
294	{	256	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;	257	new_flags |= IM_TILE|IM_ROOT_ALIGN;
296	w = h = noScale;	258	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	259	geom_flags |= WidthValue|HeightValue;
298	}	260	}
299		261
300	else	262	else
…		…
302	} /* done parsing ops */	264	} /* done parsing ops */
303		265
304	rxvt_free_strsplit (arr);	266	rxvt_free_strsplit (arr);
305	}	267	}
306		268
307	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	269	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
308		270
309	if (!update)	271	if (!update)
310	{	272	{
311	if (!(geom_flags & XValue))	273	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	274	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	279	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	280	else if (!(geom_flags & HeightValue))
319	h = w;	281	h = w;
320	else if (!(geom_flags & WidthValue))	282	else if (!(geom_flags & WidthValue))
321	w = h;	283	w = h;
322
323	geom_flags |= WidthValue|HeightValue|XValue|YValue;
324	}
325
326	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
327	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
328	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
329	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
330
331	if (new_flags != bg_flags)
332	{	284	}
		285
		286	clamp_it (x, -100, 200);
		287	clamp_it (y, -100, 200);
		288
		289	if (flags != new_flags
		290	|| h_scale != w
		291	|| v_scale != h
		292	|| h_align != x
		293	|| v_align != y)
		294	{
333	bg_flags = new_flags;	295	flags = new_flags;
		296	h_scale = w;
		297	v_scale = h;
		298	h_align = x;
		299	v_align = y;
334	changed = true;	300	changed = true;
335	}	301	}
336		302
		303	if (!(flags & IM_TILE)
		304	|| h_scale || v_scale
		305	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		306	flags |= IM_IS_SIZE_SENSITIVE;
		307	else
		308	flags &= ~IM_IS_SIZE_SENSITIVE;
		309
337	return changed;	310	return changed;
338	}	311	}
339		312
340	void	313	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	314	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	315	{
		316	int image_width = image.width ();
		317	int image_height = image.height ();
343	int target_width = szHint.width;	318	int target_width = szHint.width;
344	int target_height = szHint.height;	319	int target_height = szHint.height;
		320	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		321	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
345		322
346	w = h_scale * target_width / 100;	323	w = h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	324	h = v_scale * target_height / 100;
348		325
349	if (bg_flags & BG_KEEP_ASPECT)	326	if (image.flags & IM_KEEP_ASPECT)
350	{	327	{
351	float scale = (float)w / image_width;	328	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	329	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	330	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	331	h = image_height * scale + 0.5;
355	}	332	}
356		333
357	if (!w) w = image_width;	334	if (!w) w = image_width;
358	if (!h) h = image_height;	335	if (!h) h = image_height;
359		336
360	if (bg_flags & BG_ROOT_ALIGN)	337	if (image.flags & IM_ROOT_ALIGN)
361	{	338	{
362	x = -target_x;	339	x = -target_x;
363	y = -target_y;	340	y = -target_y;
364	}	341	}
365	else	342	else
366	{	343	{
367	x = make_align_position (h_align, target_width, w);	344	x = make_align_position (image.h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	345	y = make_align_position (image.v_align, target_height, h);
369	}
370
371	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
372	if (!(bg_flags & BG_TILE)
373	|| h_scale || v_scale
374	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
375	|| w > target_width || h > target_height)
376	bg_flags |= BG_IS_SIZE_SENSITIVE;
377	}
378
379	# ifdef HAVE_AFTERIMAGE
380	bool
381	rxvt_term::render_image (unsigned long tr_flags)
382	{
383	init_asv ();
384
385	ASImage *background = NULL;
386	ARGB32 background_tint = TINT_LEAVE_SAME;
387
388	# ifdef ENABLE_TRANSPARENCY
389	if (tr_flags)
390	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
391
392	if (tr_flags & BG_NEEDS_TINT)
393	{	346	}
394	ShadingInfo as_shade;	347	}
395	as_shade.shading = shade;
396		348
397	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	349	# ifdef HAVE_PIXBUF
398	if (bg_flags & BG_TINT_SET)	350	bool
399	tint.get (c);	351	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
400	as_shade.tintColor.red = c.r;	352	int src_x, int src_y, int dst_x, int dst_y,
401	as_shade.tintColor.green = c.g;	353	unsigned int width, unsigned int height, bool argb)
402	as_shade.tintColor.blue = c.b;	354	{
		355	XImage *ximage;
		356	char *line;
		357	int width_r, width_g, width_b, width_a;
		358	int sh_r, sh_g, sh_b, sh_a;
		359	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		360	int rowstride;
		361	int channels;
		362	unsigned char *row;
403		363
404	background_tint = shading2tint32 (&as_shade);	364	if (visual->c_class != TrueColor)
		365	return false;
		366
		367	if (argb)
405	}	368	{
406		369	red_mask = 0xff << 16;
407	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	370	green_mask = 0xff << 8;
		371	blue_mask = 0xff;
		372	alpha_mask = 0xff << 24;
408	{	373	}
409	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	374	else
410	ASA_XImage,	375	{
411	100, ASIMAGE_QUALITY_DEFAULT);	376	red_mask = visual->red_mask;
		377	green_mask = visual->green_mask;
		378	blue_mask = visual->blue_mask;
		379	#if XRENDER
		380	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
412	if (tmp)	381	if (format)
		382	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		383	else
		384	#endif
		385	alpha_mask = 0;
		386	}
		387
		388	width_r = ecb_popcount32 (red_mask);
		389	width_g = ecb_popcount32 (green_mask);
		390	width_b = ecb_popcount32 (blue_mask);
		391	width_a = ecb_popcount32 (alpha_mask);
		392
		393	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		394	return false;
		395
		396	sh_r = ecb_ctz32 (red_mask);
		397	sh_g = ecb_ctz32 (green_mask);
		398	sh_b = ecb_ctz32 (blue_mask);
		399	sh_a = ecb_ctz32 (alpha_mask);
		400
		401	if (width > 32767 || height > 32767)
		402	return false;
		403
		404	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		405	width, height, 32, 0);
		406	if (!ximage)
		407	return false;
		408
		409	if (height > INT_MAX / ximage->bytes_per_line
		410	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		411	{
		412	XDestroyImage (ximage);
		413	return false;
		414	}
		415
		416	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		417
		418	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		419	channels = gdk_pixbuf_get_n_channels (pixbuf);
		420	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		421	line = ximage->data;
		422
		423	rgba c (0, 0, 0);
		424
		425	if (channels == 4 && alpha_mask == 0)
		426	{
		427	pix_colors[Color_bg].get (c);
		428	c.r >>= 8;
		429	c.g >>= 8;
		430	c.b >>= 8;
		431	}
		432
		433	for (int y = 0; y < height; y++)
		434	{
		435	for (int x = 0; x < width; x++)
		436	{
		437	unsigned char *pixel = row + x * channels;
		438	uint32_t value;
		439	unsigned char r, g, b, a;
		440
		441	if (channels == 4)
413	{	442	{
414	destroy_asimage (&background);	443	a = pixel[3];
415	background = tmp;	444	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		445	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		446	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		447	}
		448	else
		449	{
		450	a = 0xff;
		451	r = pixel[0];
		452	g = pixel[1];
		453	b = pixel[2];
		454	}
		455
		456	value = ((r >> (8 - width_r)) << sh_r)
		457	| ((g >> (8 - width_g)) << sh_g)
		458	| ((b >> (8 - width_b)) << sh_b)
		459	| ((a >> (8 - width_a)) << sh_a);
		460
		461	if (ximage->bits_per_pixel == 32)
		462	((uint32_t *)line)[x] = value;
		463	else
		464	XPutPixel (ximage, x, y, value);
416	}	465	}
417	}
418	# endif
419		466
420	ASImage *result = 0;	467	row += rowstride;
		468	line += ximage->bytes_per_line;
		469	}
		470
		471	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		472	XDestroyImage (ximage);
		473	return true;
		474	}
		475
		476	bool
		477	rxvt_term::render_image (rxvt_image &image)
		478	{
		479	GdkPixbuf *pixbuf = image.pixbuf;
		480	if (!pixbuf)
		481	return false;
		482
		483	bool need_blend = bg_flags & BG_IS_VALID;
		484
		485	if (need_blend
		486	&& !(bg_flags & BG_HAS_RENDER))
		487	return false;
		488
		489	GdkPixbuf *result;
		490
		491	int image_width = gdk_pixbuf_get_width (pixbuf);
		492	int image_height = gdk_pixbuf_get_height (pixbuf);
421		493
422	int target_width = szHint.width;	494	int target_width = szHint.width;
423	int target_height = szHint.height;	495	int target_height = szHint.height;
424	int new_pmap_width = target_width;	496	int new_pmap_width = target_width;
425	int new_pmap_height = target_height;	497	int new_pmap_height = target_height;
…		…
427	int x = 0;	499	int x = 0;
428	int y = 0;	500	int y = 0;
429	int w = 0;	501	int w = 0;
430	int h = 0;	502	int h = 0;
431		503
432	if (original_asim)	504	get_image_geometry (image, w, h, x, y);
433	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
434		505
435	if (!original_asim	506	if (!(image.flags & IM_ROOT_ALIGN)
436	|| (!(bg_flags & BG_ROOT_ALIGN)
437	&& (x >= target_width	507	&& (x >= target_width
438	|| y >= target_height	508	|| y >= target_height
439	|| x + w <= 0	509	|| x + w <= 0
440	|| y + h <= 0)))	510	|| y + h <= 0))
		511	return false;
		512
		513	result = pixbuf;
		514
		515	if (w != image_width
		516	|| h != image_height)
		517	{
		518	result = gdk_pixbuf_scale_simple (pixbuf,
		519	w, h,
		520	GDK_INTERP_BILINEAR);
441	{	521	}
442	if (background)
443	{
444	new_pmap_width = background->width;
445	new_pmap_height = background->height;
446	result = background;
447		522
448	if (background_tint != TINT_LEAVE_SAME)	523	if (!result)
		524	return false;
		525
		526	bool ret = false;
		527
		528	XGCValues gcv;
		529	GC gc;
		530	Pixmap tmp_pixmap;
		531
		532	image_width = gdk_pixbuf_get_width (result);
		533	image_height = gdk_pixbuf_get_height (result);
		534
		535	if (need_blend)
		536	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		537	else
		538	{
		539	if (image.flags & IM_TILE)
449	{	540	{
450	ASImage *tmp = tile_asimage (asv, background, 0, 0,	541	new_pmap_width = min (image_width, target_width);
451	target_width, target_height, background_tint,	542	new_pmap_height = min (image_height, target_height);
452	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
453	if (tmp)
454	result = tmp;
455	}
456	}	543	}
457	else
458	new_pmap_width = new_pmap_height = 0;
459	}
460	else
461	{
462	result = original_asim;
463		544
464	if (w != original_asim->width
465	|| h != original_asim->height)
466	{
467	result = scale_asimage (asv, original_asim,
468	w, h,
469	ASA_XImage,
470	100, ASIMAGE_QUALITY_DEFAULT);
471	}
472
473	if (background == NULL)
474	{
475	if (bg_flags & BG_TILE)
476	{
477	/* if tiling - pixmap has to be sized exactly as the image,
478	but there is no need to make it bigger than the window! */
479	new_pmap_width = min (result->width, target_width);
480	new_pmap_height = min (result->height, target_height);
481
482	/* we also need to tile our image in both directions */
483	ASImage *tmp = tile_asimage (asv, result,
484	(int)result->width - x,
485	(int)result->height - y,
486	new_pmap_width,
487	new_pmap_height,
488	TINT_LEAVE_SAME, ASA_XImage,
489	100, ASIMAGE_QUALITY_DEFAULT);
490	if (tmp)
491	{
492	if (result != original_asim)
493	destroy_asimage (&result);
494
495	result = tmp;
496	}
497	}
498	}
499	else
500	{
501	/* if blending background and image - pixmap has to be sized same as target window */
502	ASImageLayer *layers = create_image_layers (2);
503
504	layers[0].im = background;
505	layers[0].clip_width = target_width;
506	layers[0].clip_height = target_height;
507	layers[0].tint = background_tint;
508	layers[1].im = result;
509
510	if (bg_flags & BG_TILE)
511	{
512	/* tile horizontally */
513	while (x > 0) x -= (int)result->width;
514	layers[1].dst_x = x;
515	layers[1].clip_width = result->width+target_width;
516	}
517	else
518	{
519	/* clip horizontally */
520	layers[1].dst_x = x;
521	layers[1].clip_width = result->width;
522	}
523
524	if (bg_flags & BG_TILE)
525	{
526	while (y > 0) y -= (int)result->height;
527	layers[1].dst_y = y;
528	layers[1].clip_height = result->height + target_height;
529	}
530	else
531	{
532	layers[1].dst_y = y;
533	layers[1].clip_height = result->height;
534	}
535
536	if (rs[Rs_blendtype])
537	{
538	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
539	if (layers[1].merge_scanlines == NULL)
540	layers[1].merge_scanlines = alphablend_scanlines;
541	}
542
543	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
544	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
545
546	if (tmp)
547	{
548	if (result != original_asim)
549	destroy_asimage (&result);
550
551	result = tmp;
552	}
553
554	free (layers);
555	}
556	}
557
558	bool ret = false;
559
560	if (result)
561	{
562	XGCValues gcv;
563	GC gc;
564
565	/* create Pixmap */
566	if (bg_pixmap == None	545	if (bg_pixmap == None
567	|| bg_pmap_width != new_pmap_width	546	|| bg_pmap_width != new_pmap_width
568	|| bg_pmap_height != new_pmap_height)	547	|| bg_pmap_height != new_pmap_height)
569	{	548	{
570	if (bg_pixmap)	549	if (bg_pixmap)
571	XFreePixmap (dpy, bg_pixmap);	550	XFreePixmap (dpy, bg_pixmap);
572	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	551	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
573	bg_pmap_width = new_pmap_width;	552	bg_pmap_width = new_pmap_width;
574	bg_pmap_height = new_pmap_height;	553	bg_pmap_height = new_pmap_height;
575	}	554	}
576	/* fill with background color (if result's not completely overlapping it) */
577	gcv.foreground = pix_colors[Color_bg];
578	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
579		555
580	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
581	int dst_width = result->width, dst_height = result->height;
582	if (background == NULL)
583	{
584	if (!(bg_flags & BG_TILE))
585	{
586	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
587	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
588	}
589
590	if (dst_x > 0 || dst_y > 0
591	|| dst_x + dst_width < new_pmap_width
592	|| dst_y + dst_height < new_pmap_height)
593	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
594	}
595
596	/* put result on pixmap */
597	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
598	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
599
600	if (result != background && result != original_asim)
601	destroy_asimage (&result);
602
603	XFreeGC (dpy, gc);
604
605	ret = true;
606	}
607
608	if (background)
609	destroy_asimage (&background);
610
611	return ret;
612	}
613	# endif /* HAVE_AFTERIMAGE */
614
615	# ifdef HAVE_PIXBUF
616	bool
617	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
618	int src_x, int src_y, int dst_x, int dst_y,
619	unsigned int width, unsigned int height)
620	{
621	XImage *ximage;
622	char *data, *line;
623	int bytes_per_pixel;
624	int width_r, width_g, width_b;
625	int sh_r, sh_g, sh_b;
626	int rowstride;
627	int channels;
628	unsigned char *row;
629
630	if (visual->c_class != TrueColor)
631	return false;
632
633	if (depth == 24 || depth == 32)
634	bytes_per_pixel = 4;
635	else if (depth == 15 || depth == 16)
636	bytes_per_pixel = 2;
637	else
638	return false;
639
640	width_r = ecb_popcount32 (visual->red_mask);
641	width_g = ecb_popcount32 (visual->green_mask);
642	width_b = ecb_popcount32 (visual->blue_mask);
643
644	if (width_r > 8 || width_g > 8 || width_b > 8)
645	return false;
646
647	sh_r = ecb_ctz32 (visual->red_mask);
648	sh_g = ecb_ctz32 (visual->green_mask);
649	sh_b = ecb_ctz32 (visual->blue_mask);
650
651	if (width > INT_MAX / height / bytes_per_pixel)
652	return false;
653
654	data = (char *)malloc (width * height * bytes_per_pixel);
655	if (!data)
656	return false;
657
658	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
659	width, height, bytes_per_pixel * 8, 0);
660	if (!ximage)
661	{
662	free (data);
663	return false;
664	}
665
666	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
667
668	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
669	channels = gdk_pixbuf_get_n_channels (pixbuf);
670	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
671	line = data;
672
673	for (int y = 0; y < height; y++)
674	{
675	for (int x = 0; x < width; x++)
676	{
677	unsigned char *pixel = row + x * channels;
678	uint32_t value;
679
680	value = ((pixel[0] >> (8 - width_r)) << sh_r)
681	| ((pixel[1] >> (8 - width_g)) << sh_g)
682	| ((pixel[2] >> (8 - width_b)) << sh_b);
683
684	if (bytes_per_pixel == 4)
685	((uint32_t *)line)[x] = value;
686	else
687	((uint16_t *)line)[x] = value;
688	}
689
690	row += rowstride;
691	line += ximage->bytes_per_line;
692	}
693
694	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
695	XDestroyImage (ximage);
696	return true;
697	}
698
699	bool
700	rxvt_term::render_image (unsigned long tr_flags)
701	{
702	if (!pixbuf)
703	return false;
704
705	if (tr_flags
706	&& !(bg_flags & BG_HAS_RENDER))
707	return false;
708
709	GdkPixbuf *result;
710
711	int image_width = gdk_pixbuf_get_width (pixbuf);
712	int image_height = gdk_pixbuf_get_height (pixbuf);
713
714	int target_width = szHint.width;
715	int target_height = szHint.height;
716	int new_pmap_width = target_width;
717	int new_pmap_height = target_height;
718
719	int x = 0;
720	int y = 0;
721	int w = 0;
722	int h = 0;
723
724	get_image_geometry (image_width, image_height, w, h, x, y);
725
726	if (!(bg_flags & BG_ROOT_ALIGN)
727	&& (x >= target_width
728	|| y >= target_height
729	|| x + w <= 0
730	|| y + h <= 0))
731	return false;
732
733	result = pixbuf;
734
735	if (w != image_width
736	|| h != image_height)
737	{
738	result = gdk_pixbuf_scale_simple (pixbuf,
739	w, h,
740	GDK_INTERP_BILINEAR);
741	}
742
743	if (!result)
744	return false;
745
746	bool ret = false;
747
748	XGCValues gcv;
749	GC gc;
750	Pixmap root_pmap;
751
752	image_width = gdk_pixbuf_get_width (result);
753	image_height = gdk_pixbuf_get_height (result);
754
755	if (tr_flags)
756	{
757	root_pmap = bg_pixmap;	556	tmp_pixmap = bg_pixmap;
758	bg_pixmap = None;
759	}
760	else
761	{
762	if (bg_flags & BG_TILE)
763	{
764	new_pmap_width = min (image_width, target_width);
765	new_pmap_height = min (image_height, target_height);
766	}
767	}
768
769	if (bg_pixmap == None
770	|| bg_pmap_width != new_pmap_width
771	|| bg_pmap_height != new_pmap_height)
772	{
773	if (bg_pixmap)
774	XFreePixmap (dpy, bg_pixmap);
775	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
776	bg_pmap_width = new_pmap_width;
777	bg_pmap_height = new_pmap_height;
778	}	557	}
779		558
780	gcv.foreground = pix_colors[Color_bg];	559	gcv.foreground = pix_colors[Color_bg];
781	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	560	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
782		561
783	if (gc)	562	if (gc)
784	{	563	{
785	if (bg_flags & BG_TILE)	564	if (image.flags & IM_TILE)
786	{	565	{
787	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	566	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
788	pixbuf_to_pixmap (result, tile, gc,	567	pixbuf_to_pixmap (result, tile, gc,
789	0, 0,	568	0, 0,
790	0, 0,	569	0, 0,
791	image_width, image_height);	570	image_width, image_height, need_blend);
792		571
793	gcv.tile = tile;	572	gcv.tile = tile;
794	gcv.fill_style = FillTiled;	573	gcv.fill_style = FillTiled;
795	gcv.ts_x_origin = x;	574	gcv.ts_x_origin = x;
796	gcv.ts_y_origin = y;	575	gcv.ts_y_origin = y;
797	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	576	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
798		577
799	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	578	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
800	XFreePixmap (dpy, tile);	579	XFreePixmap (dpy, tile);
801	}	580	}
802	else	581	else
803	{	582	{
804	int src_x, src_y, dst_x, dst_y;	583	int src_x, src_y, dst_x, dst_y;
…		…
808	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	587	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
809		588
810	if (dst_x > 0 || dst_y > 0	589	if (dst_x > 0 || dst_y > 0
811	|| dst_x + dst_width < new_pmap_width	590	|| dst_x + dst_width < new_pmap_width
812	|| dst_y + dst_height < new_pmap_height)	591	|| dst_y + dst_height < new_pmap_height)
813	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	592	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
814		593
815	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	594	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
816	pixbuf_to_pixmap (result, bg_pixmap, gc,	595	pixbuf_to_pixmap (result, tmp_pixmap, gc,
817	src_x, src_y,	596	src_x, src_y,
818	dst_x, dst_y,	597	dst_x, dst_y,
819	dst_width, dst_height);	598	dst_width, dst_height, need_blend);
820	}	599	}
821		600
822	#if XRENDER	601	#if XRENDER
823	if (tr_flags)	602	if (need_blend)
824	{	603	{
		604	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
825	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	605	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
826		606
827	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	607	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
828		608
829	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	609	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
830		610
831	Picture mask = create_xrender_mask (dpy, vt, False, False);	611	Picture mask = create_xrender_mask (dpy, vt, False, False);
832		612
…		…
852	}	632	}
853		633
854	if (result != pixbuf)	634	if (result != pixbuf)
855	g_object_unref (result);	635	g_object_unref (result);
856		636
857	if (tr_flags)	637	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	638	XFreePixmap (dpy, tmp_pixmap);
859		639
860	return ret;	640	return ret;
861	}	641	}
862	# endif /* HAVE_PIXBUF */	642	# endif /* HAVE_PIXBUF */
863		643
864	bool	644	bool
865	rxvt_term::bg_set_file (const char *file)	645	rxvt_image::set_file (const char *file)
866	{	646	{
867	if (!file || !*file)	647	if (!file || !*file)
868	return false;	648	return false;
869		649
870	bool ret = false;	650	bool ret = false;
…		…
877	memcpy (f, file, len);	657	memcpy (f, file, len);
878	f[len] = '\0';	658	f[len] = '\0';
879	file = f;	659	file = f;
880	}	660	}
881		661
882	# ifdef HAVE_AFTERIMAGE
883	if (!asimman)
884	asimman = create_generic_imageman (rs[Rs_path]);
885	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
886	if (image)
887	{
888	if (original_asim)
889	safe_asimage_destroy (original_asim);
890	original_asim = image;
891	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
892	ret = true;
893	}
894	# endif
895
896	# ifdef HAVE_PIXBUF	662	# ifdef HAVE_PIXBUF
897	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	663	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
898	if (image)	664	if (image)
899	{	665	{
900	if (pixbuf)	666	if (pixbuf)
901	g_object_unref (pixbuf);	667	g_object_unref (pixbuf);
902	pixbuf = image;	668	pixbuf = image;
903	bg_flags |= BG_IS_FROM_FILE;
904	ret = true;	669	ret = true;
905	}	670	}
906	# endif	671	# endif
907		672
908	if (ret)	673	if (ret)
909	{	674	{
		675	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		676	h_scale = v_scale = defaultScale;
		677	h_align = v_align = defaultAlign;
		678
910	if (p)	679	if (p)
911	bg_set_geometry (p + 1);	680	set_geometry (p + 1);
912	else
913	bg_set_default_geometry ();
914	}	681	}
915		682
916	return ret;	683	return ret;
917	}	684	}
918		685
919	# endif /* BG_IMAGE_FROM_FILE */	686	# endif /* BG_IMAGE_FROM_FILE */
920		687
921	# ifdef ENABLE_TRANSPARENCY	688	# ifdef ENABLE_TRANSPARENCY
922	bool
923	rxvt_term::bg_set_transparent ()
924	{
925	if (!(bg_flags & BG_IS_TRANSPARENT))
926	{
927	bg_flags |= BG_IS_TRANSPARENT;
928	return true;
929	}
930
931	return false;
932	}
933
934	bool	689	bool
935	rxvt_term::bg_set_blur (const char *geom)	690	rxvt_term::bg_set_blur (const char *geom)
936	{	691	{
937	bool changed = false;	692	bool changed = false;
938	unsigned int hr, vr;	693	unsigned int hr, vr;
…		…
957	{	712	{
958	changed = true;	713	changed = true;
959	v_blurRadius = vr;	714	v_blurRadius = vr;
960	}	715	}
961		716
962	if (h_blurRadius == 0 || v_blurRadius == 0)
963	bg_flags &= ~BG_NEEDS_BLUR;
964	else
965	bg_flags |= BG_NEEDS_BLUR;
966
967	return changed;	717	return changed;
968	}	718	}
969		719
970	void	720	bool
971	rxvt_term::set_tint_shade_flags ()	721	rxvt_term::bg_set_tint (rxvt_color &new_tint)
972	{	722	{
		723	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		724	{
		725	tint = new_tint;
		726	bg_flags |= BG_TINT_SET;
		727
973	rgba c;	728	rgba c;
974	bool has_shade = shade != 100;
975
976	bg_flags &= ~BG_TINT_FLAGS;
977
978	if (bg_flags & BG_TINT_SET)
979	{
980	tint.get (c);	729	tint.get (c);
981	if (!has_shade
982	&& (c.r <= 0x00ff || c.r >= 0xff00)	730	if ((c.r <= 0x00ff || c.r >= 0xff00)
983	&& (c.g <= 0x00ff || c.g >= 0xff00)	731	&& (c.g <= 0x00ff || c.g >= 0xff00)
984	&& (c.b <= 0x00ff || c.b >= 0xff00))	732	&& (c.b <= 0x00ff || c.b >= 0xff00))
985	bg_flags |= BG_TINT_BITAND;	733	bg_flags |= BG_TINT_BITAND;
986	}	734	else
987
988	if (has_shade || (bg_flags & BG_TINT_SET))
989	bg_flags |= BG_NEEDS_TINT;
990	}
991
992	bool
993	rxvt_term::bg_set_tint (rxvt_color &new_tint)
994	{
995	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
996	{
997	tint = new_tint;
998	bg_flags |= BG_TINT_SET;	735	bg_flags &= ~BG_TINT_BITAND;
999	set_tint_shade_flags ();	736
1000	return true;	737	return true;
1001	}	738	}
1002		739
1003	return false;	740	return false;
1004	}	741	}
…		…
1013	new_shade = 200 - (100 + new_shade);	750	new_shade = 200 - (100 + new_shade);
1014		751
1015	if (new_shade != shade)	752	if (new_shade != shade)
1016	{	753	{
1017	shade = new_shade;	754	shade = new_shade;
1018	set_tint_shade_flags ();
1019	return true;	755	return true;
1020	}	756	}
1021		757
1022	return false;	758	return false;
1023	}	759	}
…		…
1044	params[i+2] = XDoubleToFixed (kernel[i] / sum);	780	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1045	}	781	}
1046	#endif	782	#endif
1047		783
1048	bool	784	bool
1049	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	785	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1050	{	786	{
1051	bool ret = false;	787	bool ret = false;
1052	#if XRENDER	788	#if XRENDER
1053	if (!(bg_flags & BG_HAS_RENDER_CONV))	789	if (!(bg_flags & BG_HAS_RENDER_CONV))
1054	return false;	790	return false;
1055		791
1056	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	792	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1057	double *kernel = (double *)malloc (size * sizeof (double));	793	double *kernel = (double *)malloc (size * sizeof (double));
1058	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	794	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1059		795
		796	XRenderPictureAttributes pa;
1060	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	797	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1061		798
		799	pa.repeat = RepeatPad;
1062	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	800	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		801	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1063	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	802	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		803	XFreePixmap (dpy, tmp);
1064		804
1065	if (kernel && params)	805	if (kernel && params)
1066	{	806	{
1067	size = h_blurRadius * 2 + 1;	807	size = h_blurRadius * 2 + 1;
1068	get_gaussian_kernel (h_blurRadius, size, kernel, params);	808	get_gaussian_kernel (h_blurRadius, size, kernel, params);
…		…
1076	0, 0,	816	0, 0,
1077	0, 0,	817	0, 0,
1078	0, 0,	818	0, 0,
1079	width, height);	819	width, height);
1080		820
		821	::swap (src, dst);
		822
1081	size = v_blurRadius * 2 + 1;	823	size = v_blurRadius * 2 + 1;
1082	get_gaussian_kernel (v_blurRadius, size, kernel, params);	824	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1083	::swap (params[0], params[1]);	825	::swap (params[0], params[1]);
1084		826
1085	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	827	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
…		…
1103	#endif	845	#endif
1104	return ret;	846	return ret;
1105	}	847	}
1106		848
1107	bool	849	bool
1108	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	850	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1109	{	851	{
1110	bool ret = false;	852	bool ret = false;
1111		853
1112	if (bg_flags & BG_TINT_BITAND)	854	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1113	{	855	{
1114	XGCValues gcv;	856	XGCValues gcv;
1115	GC gc;	857	GC gc;
1116		858
1117	/* In this case we can tint image server-side getting significant	859	/* In this case we can tint image server-side getting significant
…		…
1198	/*	940	/*
1199	* Builds a pixmap of the same size as the terminal window that contains	941	* Builds a pixmap of the same size as the terminal window that contains
1200	* the tiled portion of the root pixmap that is supposed to be covered by	942	* the tiled portion of the root pixmap that is supposed to be covered by
1201	* our window.	943	* our window.
1202	*/	944	*/
1203	unsigned long	945	bool
1204	rxvt_term::make_transparency_pixmap ()	946	rxvt_term::make_transparency_pixmap ()
1205	{	947	{
1206	unsigned long result = 0;	948	bool ret = false;
1207		949
1208	/* root dimensions may change from call to call - but Display structure should	950	/* root dimensions may change from call to call - but Display structure should
1209	* be always up-to-date, so let's use it :	951	* be always up-to-date, so let's use it :
1210	*/	952	*/
1211	int screen = display->screen;	953	int screen = display->screen;
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1034	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1035
1294	if (gc)	1036	if (gc)
1295	{	1037	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1038	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1039	ret = true;
		1040	bool need_blur = h_blurRadius && v_blurRadius;
		1041	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1298		1042
1299	if (!(bg_flags & BG_CLIENT_RENDER))	1043	if (!(bg_flags & BG_CLIENT_RENDER))
1300	{	1044	{
1301	if (bg_flags & BG_NEEDS_BLUR)	1045	if (need_blur)
1302	{	1046	{
1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1047	if (blur_pixmap (bg_pixmap, window_width, window_height))
1304	result &= ~BG_NEEDS_BLUR;	1048	need_blur = false;
1305	}
1306	if (bg_flags & BG_NEEDS_TINT)
1307	{	1049	}
		1050	if (need_tint)
		1051	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1052	if (tint_pixmap (bg_pixmap, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;	1053	need_tint = false;
1310	}	1054	}
1311	# ifndef HAVE_AFTERIMAGE	1055	if (need_tint)
1312	if (result & BG_NEEDS_TINT)
1313	{	1056	{
1314	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1057	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1315	if (ximage)	1058	if (ximage)
1316	{	1059	{
1317	/* our own client-side tinting */	1060	/* our own client-side tinting */
1318	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1061	tint_ximage (ximage);
1319		1062
1320	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1063	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	XDestroyImage (ximage);	1064	XDestroyImage (ximage);
1322	}	1065	}
1323	}	1066	}
1324	# endif
1325	} /* server side rendering completed */	1067	} /* server side rendering completed */
1326		1068
1327	XFreeGC (dpy, gc);	1069	XFreeGC (dpy, gc);
1328	}	1070	}
1329		1071
1330	if (recoded_root_pmap != root_pixmap)	1072	if (recoded_root_pmap != root_pixmap)
1331	XFreePixmap (dpy, recoded_root_pmap);	1073	XFreePixmap (dpy, recoded_root_pmap);
1332		1074
1333	return result;	1075	return ret;
1334	}	1076	}
1335		1077
1336	void	1078	void
1337	rxvt_term::bg_set_root_pixmap ()	1079	rxvt_term::bg_set_root_pixmap ()
1338	{	1080	{
…		…
1345	# endif /* ENABLE_TRANSPARENCY */	1087	# endif /* ENABLE_TRANSPARENCY */
1346		1088
1347	bool	1089	bool
1348	rxvt_term::bg_render ()	1090	rxvt_term::bg_render ()
1349	{	1091	{
1350	unsigned long tr_flags = 0;
1351
1352	bg_invalidate ();	1092	bg_invalidate ();
1353	# ifdef ENABLE_TRANSPARENCY	1093	# ifdef ENABLE_TRANSPARENCY
1354	if (bg_flags & BG_IS_TRANSPARENT)	1094	if (bg_flags & BG_IS_TRANSPARENT)
1355	{	1095	{
1356	/* we need to re-generate transparency pixmap in that case ! */	1096	/* we need to re-generate transparency pixmap in that case ! */
1357	tr_flags = make_transparency_pixmap ();	1097	if (make_transparency_pixmap ())
1358	if (tr_flags == 0)
1359	return false;
1360	bg_flags |= BG_IS_VALID;	1098	bg_flags |= BG_IS_VALID;
1361	}	1099	}
1362	# endif	1100	# endif
1363		1101
1364	# ifdef BG_IMAGE_FROM_FILE	1102	# ifdef BG_IMAGE_FROM_FILE
1365	if ((bg_flags & BG_IS_FROM_FILE)	1103	if (bg_image.flags & IM_IS_SET)
1366	|| (tr_flags & BG_EFFECTS_FLAGS))
1367	{	1104	{
1368	if (render_image (tr_flags))	1105	if (render_image (bg_image))
1369	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1370	}	1107	}
1371	# endif	1108	# endif
1372		1109
1373	if (!(bg_flags & BG_IS_VALID))	1110	if (!(bg_flags & BG_IS_VALID))
…		…
1411	#endif	1148	#endif
1412	}	1149	}
1413		1150
1414	#endif /* HAVE_BG_PIXMAP */	1151	#endif /* HAVE_BG_PIXMAP */
1415		1152
1416	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1153	#ifdef ENABLE_TRANSPARENCY
1417	/* based on code from aterm-0.4.2 */	1154	/* based on code from aterm-0.4.2 */
1418		1155
1419	static inline void	1156	static inline void
1420	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1157	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1421	{	1158	{
…		…
1427	lookup[i] = (tmp / 0xffff) << sh;	1164	lookup[i] = (tmp / 0xffff) << sh;
1428	}	1165	}
1429	}	1166	}
1430		1167
1431	void	1168	void
1432	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1169	rxvt_term::tint_ximage (XImage *ximage)
1433	{	1170	{
		1171	unsigned int size_r, size_g, size_b;
1434	int sh_r, sh_g, sh_b;	1172	int sh_r, sh_g, sh_b;
1435	uint32_t mask_r, mask_g, mask_b;	1173	uint32_t mask_r, mask_g, mask_b;
1436	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1174	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1437	unsigned short low;	1175	unsigned short low;
1438	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1176	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1443	mask_r = visual->red_mask;	1181	mask_r = visual->red_mask;
1444	mask_g = visual->green_mask;	1182	mask_g = visual->green_mask;
1445	mask_b = visual->blue_mask;	1183	mask_b = visual->blue_mask;
1446		1184
1447	/* boring lookup table pre-initialization */	1185	/* boring lookup table pre-initialization */
1448	switch (ximage->depth)	1186	sh_r = ecb_ctz32 (mask_r);
1449	{	1187	sh_g = ecb_ctz32 (mask_g);
1450	case 15:	1188	sh_b = ecb_ctz32 (mask_b);
1451	if ((mask_r != 0x7c00) ||	1189
1452	(mask_g != 0x03e0) ||	1190	size_r = mask_r >> sh_r;
1453	(mask_b != 0x001f))	1191	size_g = mask_g >> sh_g;
		1192	size_b = mask_b >> sh_b;
		1193
		1194	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1454	return;	1195	return;
1455	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1196
		1197	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1456	lookup_r = lookup;	1198	lookup_r = lookup;
1457	lookup_g = lookup+32;	1199	lookup_g = lookup + size_r;
1458	lookup_b = lookup+32+32;	1200	lookup_b = lookup + size_r + size_g;
1459	sh_r = 10;
1460	sh_g = 5;
1461	sh_b = 0;
1462	break;
1463	case 16:
1464	if ((mask_r != 0xf800) ||
1465	(mask_g != 0x07e0) ||
1466	(mask_b != 0x001f))
1467	return;
1468	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1469	lookup_r = lookup;
1470	lookup_g = lookup+32;
1471	lookup_b = lookup+32+64;
1472	sh_r = 11;
1473	sh_g = 5;
1474	sh_b = 0;
1475	break;
1476	case 24:
1477	if ((mask_r != 0xff0000) ||
1478	(mask_g != 0x00ff00) ||
1479	(mask_b != 0x0000ff))
1480	return;
1481	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1482	lookup_r = lookup;
1483	lookup_g = lookup+256;
1484	lookup_b = lookup+256+256;
1485	sh_r = 16;
1486	sh_g = 8;
1487	sh_b = 0;
1488	break;
1489	case 32:
1490	if ((mask_r != 0xff0000) ||
1491	(mask_g != 0x00ff00) ||
1492	(mask_b != 0x0000ff))
1493	return;
1494	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1495	lookup_r = lookup;
1496	lookup_g = lookup+256;
1497	lookup_b = lookup+256+256;
1498	sh_r = 16;
1499	sh_g = 8;
1500	sh_b = 0;
1501	break;
1502	default:
1503	return; /* we do not support this color depth */
1504	}
1505		1201
1506	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1202	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1507		1203
1508	if (bg_flags & BG_TINT_SET)	1204	if (bg_flags & BG_TINT_SET)
1509	tint.get (c);	1205	tint.get (c);
…		…
1531	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1227	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1532	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1228	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1533		1229
1534	/* apply table to input image (replacing colors by newly calculated ones) */	1230	/* apply table to input image (replacing colors by newly calculated ones) */
1535	if (ximage->bits_per_pixel == 32	1231	if (ximage->bits_per_pixel == 32
1536	&& (ximage->depth == 24 || ximage->depth == 32)
1537	&& ximage->byte_order == host_byte_order)	1232	&& ximage->byte_order == host_byte_order)
1538	{	1233	{
1539	uint32_t *p1, *pf, *p, *pl;	1234	char *line = ximage->data;
1540	p1 = (uint32_t *) ximage->data;
1541	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1542		1235
1543	while (p1 < pf)	1236	for (int y = 0; y < ximage->height; y++)
1544	{
1545	p = p1;
1546	pl = p1 + ximage->width;
1547	for (; p < pl; p++)
1548	{	1237	{
1549	*p = lookup_r[(*p & 0xff0000) >> 16] |	1238	uint32_t *p = (uint32_t *)line;
1550	lookup_g[(*p & 0x00ff00) >> 8] |	1239	for (int x = 0; x < ximage->width; x++)
1551	lookup_b[(*p & 0x0000ff)] |
1552	(*p & 0xff000000);
1553	}	1240	{
1554	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1241	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1242	lookup_g[(*p & mask_g) >> sh_g] |
		1243	lookup_b[(*p & mask_b) >> sh_b];
		1244	p++;
		1245	}
		1246	line += ximage->bytes_per_line;
1555	}	1247	}
1556	}	1248	}
1557	else	1249	else
1558	{	1250	{
1559	for (int y = 0; y < ximage->height; y++)	1251	for (int y = 0; y < ximage->height; y++)
…		…
1567	}	1259	}
1568	}	1260	}
1569		1261
1570	free (lookup);	1262	free (lookup);
1571	}	1263	}
1572	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1264	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

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