[ViewVC] Diff of: cvs/rxvt-unicode/src/background.C

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.192 by sf-exg, Fri Dec 30 12:45:56 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 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
197	bool	150	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
199	{	152	{
200	bool changed = false;	153	bool changed = false;
201	int geom_flags = 0;	154	int geom_flags = 0;
202	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
203	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
		158	unsigned int h = v_scale;
204	unsigned long new_flags = 0;	159	unsigned long new_flags = 0;
205		160
206	if (geom == NULL)	161	if (geom == NULL)
207	return false;	162	return false;
208		163
…		…
212		167
213	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
214	{	169	{
215	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
216	{	171	{
217	new_flags = BG_TILE;	172	new_flags = IM_TILE;
218	w = h = noScale;	173	w = h = noScale;
219	x = y = 0;	174	x = y = 0;
220	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	175	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
221	}	176	}
222	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
223	{	178	{
224	new_flags = BG_KEEP_ASPECT;	179	new_flags = IM_KEEP_ASPECT;
225	w = h = windowScale;	180	w = h = windowScale;
226	x = y = centerAlign;	181	x = y = centerAlign;
227	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
228	}	183	}
229	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
239	x = y = centerAlign;	194	x = y = centerAlign;
240	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	195	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
241	}	196	}
242	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
243	{	198	{
244	new_flags = BG_TILE\|BG_ROOT_ALIGN;	199	new_flags = IM_TILE\|IM_ROOT_ALIGN;
245	w = h = noScale;	200	w = h = noScale;
246	geom_flags = WidthValue\|HeightValue;	201	geom_flags = WidthValue\|HeightValue;
247	}	202	}
248	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags \|= BG_TILE;	204	new_flags \|= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags \|= BG_KEEP_ASPECT;	206	new_flags \|= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags \|= BG_ROOT_ALIGN;	208	new_flags \|= IM_ROOT_ALIGN;
254		209
255	// deprecated	210	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
257	{	212	{
258	new_flags \|= BG_TILE;	213	new_flags \|= IM_TILE;
259	w = h = noScale;	214	w = h = noScale;
260	geom_flags \|= WidthValue\|HeightValue;	215	geom_flags \|= WidthValue\|HeightValue;
261	}	216	}
262	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
263	{	218	{
264	new_flags \|= BG_KEEP_ASPECT;	219	new_flags \|= IM_KEEP_ASPECT;
265	w = h = windowScale;	220	w = h = windowScale;
266	geom_flags \|= WidthValue\|HeightValue;	221	geom_flags \|= WidthValue\|HeightValue;
267	}	222	}
268	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
269	{	224	{
270	new_flags \|= BG_TILE;	225	new_flags \|= IM_TILE;
271	w = windowScale;	226	w = windowScale;
272	h = noScale;	227	h = noScale;
273	geom_flags \|= WidthValue\|HeightValue;	228	geom_flags \|= WidthValue\|HeightValue;
274	}	229	}
275	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
276	{	231	{
277	new_flags \|= BG_TILE;	232	new_flags \|= IM_TILE;
278	h = windowScale;	233	h = windowScale;
279	w = noScale;	234	w = noScale;
280	geom_flags \|= WidthValue\|HeightValue;	235	geom_flags \|= WidthValue\|HeightValue;
281	}	236	}
282	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	245	x = y = centerAlign;
291	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	246	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
292	}	247	}
293	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
294	{	249	{
295	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;	250	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
296	w = h = noScale;	251	w = h = noScale;
297	geom_flags \|= WidthValue\|HeightValue;	252	geom_flags \|= WidthValue\|HeightValue;
298	}	253	}
299		254
300	else	255	else
…		…
302	} /* done parsing ops */	257	} /* done parsing ops */
303		258
304	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
305	}	260	}
306		261
307	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;	262	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
308		263
309	if (!update)	264	if (!update)
310	{	265	{
311	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	272	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
319	h = w;	274	h = w;
320	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
321	w = h;	276	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	{	277	}
		278
		279	min_it (w, 1000);
		280	min_it (h, 1000);
		281	clamp_it (x, -100, 200);
		282	clamp_it (y, -100, 200);
		283
		284	if (flags != new_flags
		285	\|\| h_scale != w
		286	\|\| v_scale != h
		287	\|\| h_align != x
		288	\|\| v_align != y)
		289	{
333	bg_flags = new_flags;	290	flags = new_flags;
		291	h_scale = w;
		292	v_scale = h;
		293	h_align = x;
		294	v_align = y;
334	changed = true;	295	changed = true;
335	}	296	}
336		297
		298	if (!(flags & IM_TILE)
		299	\|\| h_scale \|\| v_scale
		300	\|\| (!(flags & IM_ROOT_ALIGN) && (h_align \|\| v_align)))
		301	flags \|= IM_IS_SIZE_SENSITIVE;
		302	else
		303	flags &= ~IM_IS_SIZE_SENSITIVE;
		304
337	return changed;	305	return changed;
338	}	306	}
339		307
340	void	308	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	309	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
343	int target_width = szHint.width;	313	int target_width = szHint.width;
344	int target_height = szHint.height;	314	int target_height = szHint.height;
345		315
346	w = h_scale * target_width / 100;	316	w = image.h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	317	h = image.v_scale * target_height / 100;
348		318
349	if (bg_flags & BG_KEEP_ASPECT)	319	if (image.flags & IM_KEEP_ASPECT)
350	{	320	{
351	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
355	}	325	}
356		326
357	if (!w) w = image_width;	327	if (!w) w = image_width;
358	if (!h) h = image_height;	328	if (!h) h = image_height;
359		329
360	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
361	{	331	{
362	x = -target_x;	332	x = -target_x;
363	y = -target_y;	333	y = -target_y;
364	}	334	}
365	else	335	else
366	{	336	{
367	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	338	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	{	339	}
394	ShadingInfo as_shade;	340	}
395	as_shade.shading = shade;
396		341
397	rgba c;	342	# ifdef HAVE_PIXBUF
398	tint.get (c);	343	bool
399	as_shade.tintColor.red = c.r;	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
400	as_shade.tintColor.green = c.g;	345	int src_x, int src_y, int dst_x, int dst_y,
401	as_shade.tintColor.blue = c.b;	346	unsigned int width, unsigned int height)
		347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
402		356
403	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	#if XRENDER
		361	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		362	if (format)
		363	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		364	else
		365	#endif
		366	alpha_mask = 0;
		367
		368	width_r = ecb_popcount32 (visual->red_mask);
		369	width_g = ecb_popcount32 (visual->green_mask);
		370	width_b = ecb_popcount32 (visual->blue_mask);
		371	width_a = ecb_popcount32 (alpha_mask);
		372
		373	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
		374	return false;
		375
		376	sh_r = ecb_ctz32 (visual->red_mask);
		377	sh_g = ecb_ctz32 (visual->green_mask);
		378	sh_b = ecb_ctz32 (visual->blue_mask);
		379	sh_a = ecb_ctz32 (alpha_mask);
		380
		381	if (width > 32767 \|\| height > 32767)
		382	return false;
		383
		384	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		385	width, height, 32, 0);
		386	if (!ximage)
		387	return false;
		388
		389	if (height > INT_MAX / ximage->bytes_per_line
		390	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
404	}	391	{
405		392	XDestroyImage (ximage);
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
407	{	394	}
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
409	ASA_XImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
410	100, ASIMAGE_QUALITY_DEFAULT);	397
411	if (tmp)	398	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		399	channels = gdk_pixbuf_get_n_channels (pixbuf);
		400	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		401	line = ximage->data;
		402
		403	rgba c (0, 0, 0);
		404
		405	if (channels == 4 && alpha_mask == 0)
		406	{
		407	pix_colors[Color_bg].get (c);
		408	c.r >>= 8;
		409	c.g >>= 8;
		410	c.b >>= 8;
		411	}
		412
		413	for (int y = 0; y < height; y++)
		414	{
		415	for (int x = 0; x < width; x++)
		416	{
		417	unsigned char pixel = row + x channels;
		418	uint32_t value;
		419	unsigned char r, g, b, a;
		420
		421	if (channels == 4)
412	{	422	{
413	destroy_asimage (&background);	423	a = pixel[3];
414	background = tmp;	424	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		425	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		426	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		427	}
		428	else
		429	{
		430	a = 0xff;
		431	r = pixel[0];
		432	g = pixel[1];
		433	b = pixel[2];
		434	}
		435
		436	value = ((r >> (8 - width_r)) << sh_r)
		437	\| ((g >> (8 - width_g)) << sh_g)
		438	\| ((b >> (8 - width_b)) << sh_b)
		439	\| ((a >> (8 - width_a)) << sh_a);
		440
		441	if (ximage->bits_per_pixel == 32)
		442	((uint32_t *)line)[x] = value;
		443	else
		444	XPutPixel (ximage, x, y, value);
415	}	445	}
416	}
417	# endif
418		446
419	ASImage *result = 0;	447	row += rowstride;
		448	line += ximage->bytes_per_line;
		449	}
		450
		451	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		452	XDestroyImage (ximage);
		453	return true;
		454	}
		455
		456	bool
		457	rxvt_term::render_image (rxvt_image &image)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	bool need_blend = bg_flags & BG_IS_VALID;
		464
		465	if (need_blend
		466	&& !(bg_flags & BG_HAS_RENDER))
		467	return false;
		468
		469	GdkPixbuf *result;
		470
		471	int image_width = gdk_pixbuf_get_width (pixbuf);
		472	int image_height = gdk_pixbuf_get_height (pixbuf);
420		473
421	int target_width = szHint.width;	474	int target_width = szHint.width;
422	int target_height = szHint.height;	475	int target_height = szHint.height;
423	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
426	int x = 0;	479	int x = 0;
427	int y = 0;	480	int y = 0;
428	int w = 0;	481	int w = 0;
429	int h = 0;	482	int h = 0;
430		483
431	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		485
434	if (!original_asim
435	\|\| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width
437	\|\| y >= target_height
438	\|\| x + w <= 0
439	\|\| y + h <= 0)))
440	{
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446
447	if (background_tint != TINT_LEAVE_SAME)
448	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,
450	target_width, target_height, background_tint,
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else
460	{
461	result = original_asim;
462
463	if (w != original_asim->width
464	\|\| h != original_asim->height)
465	{
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}
471
472	if (background == NULL)
473	{
474	if (bg_flags & BG_TILE)
475	{
476	/* if tiling - pixmap has to be sized exactly as the image,
477	but there is no need to make it bigger than the window! */
478	new_pmap_width = min (result->width, target_width);
479	new_pmap_height = min (result->height, target_height);
480
481	/* we also need to tile our image in both directions */
482	ASImage *tmp = tile_asimage (asv, result,
483	(int)result->width - x,
484	(int)result->height - y,
485	new_pmap_width,
486	new_pmap_height,
487	TINT_LEAVE_SAME, ASA_XImage,
488	100, ASIMAGE_QUALITY_DEFAULT);
489	if (tmp)
490	{
491	if (result != original_asim)
492	destroy_asimage (&result);
493
494	result = tmp;
495	}
496	}
497	}
498	else
499	{
500	/* if blending background and image - pixmap has to be sized same as target window */
501	ASImageLayer *layers = create_image_layers (2);
502
503	layers[0].im = background;
504	layers[0].clip_width = target_width;
505	layers[0].clip_height = target_height;
506	layers[0].tint = background_tint;
507	layers[1].im = result;
508
509	if (bg_flags & BG_TILE)
510	{
511	/* tile horizontally */
512	while (x > 0) x -= (int)result->width;
513	layers[1].dst_x = x;
514	layers[1].clip_width = result->width+target_width;
515	}
516	else
517	{
518	/* clip horizontally */
519	layers[1].dst_x = x;
520	layers[1].clip_width = result->width;
521	}
522
523	if (bg_flags & BG_TILE)
524	{
525	while (y > 0) y -= (int)result->height;
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height + target_height;
528	}
529	else
530	{
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height;
533	}
534
535	if (rs[Rs_blendtype])
536	{
537	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
538	if (layers[1].merge_scanlines == NULL)
539	layers[1].merge_scanlines = alphablend_scanlines;
540	}
541
542	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
543	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
544
545	if (tmp)
546	{
547	if (result != original_asim)
548	destroy_asimage (&result);
549
550	result = tmp;
551	}
552
553	free (layers);
554	}
555	}
556
557	bool ret = false;
558
559	if (result)
560	{
561	XGCValues gcv;
562	GC gc;
563
564	/* create Pixmap */
565	if (bg_pixmap == None
566	\|\| bg_pmap_width != new_pmap_width
567	\|\| bg_pmap_height != new_pmap_height)
568	{
569	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;
574	}
575	/* fill with background color (if result's not completely overlapping it) */
576	gcv.foreground = pix_colors[Color_bg];
577	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
578
579	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
580	int dst_width = result->width, dst_height = result->height;
581	if (background == NULL)
582	{
583	if (!(bg_flags & BG_TILE))
584	{
585	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
586	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
587	}
588
589	if (dst_x > 0 \|\| dst_y > 0
590	\|\| dst_x + dst_width < new_pmap_width
591	\|\| dst_y + dst_height < new_pmap_height)
592	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
593	}
594
595	/* put result on pixmap */
596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
597	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
598
599	if (result != background && result != original_asim)
600	destroy_asimage (&result);
601
602	XFreeGC (dpy, gc);
603
604	ret = true;
605	}
606
607	if (background)
608	destroy_asimage (&background);
609
610	return ret;
611	}
612	# endif /* HAVE_AFTERIMAGE */
613
614	# ifdef HAVE_PIXBUF
615	bool
616	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
617	int src_x, int src_y, int dst_x, int dst_y,
618	unsigned int width, unsigned int height)
619	{
620	XImage *ximage;
621	char data, line;
622	int bytes_per_pixel;
623	int width_r, width_g, width_b;
624	int sh_r, sh_g, sh_b;
625	int rowstride;
626	int channels;
627	unsigned char *row;
628
629	if (visual->c_class != TrueColor)
630	return false;
631
632	if (depth == 24 \|\| depth == 32)
633	bytes_per_pixel = 4;
634	else if (depth == 15 \|\| depth == 16)
635	bytes_per_pixel = 2;
636	else
637	return false;
638
639	width_r = ecb_popcount32 (visual->red_mask);
640	width_g = ecb_popcount32 (visual->green_mask);
641	width_b = ecb_popcount32 (visual->blue_mask);
642
643	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)
644	return false;
645
646	sh_r = ecb_ctz32 (visual->red_mask);
647	sh_g = ecb_ctz32 (visual->green_mask);
648	sh_b = ecb_ctz32 (visual->blue_mask);
649
650	if (width > INT_MAX / height / bytes_per_pixel)
651	return false;
652
653	data = (char )malloc (width height * bytes_per_pixel);
654	if (!data)
655	return false;
656
657	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
658	width, height, bytes_per_pixel * 8, 0);
659	if (!ximage)
660	{
661	free (data);
662	return false;
663	}
664
665	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
666
667	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
668	channels = gdk_pixbuf_get_n_channels (pixbuf);
669	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
670	line = data;
671
672	for (int y = 0; y < height; y++)
673	{
674	for (int x = 0; x < width; x++)
675	{
676	unsigned char pixel = row + x channels;
677	uint32_t value;
678
679	value = ((pixel[0] >> (8 - width_r)) << sh_r)
680	\| ((pixel[1] >> (8 - width_g)) << sh_g)
681	\| ((pixel[2] >> (8 - width_b)) << sh_b);
682
683	if (bytes_per_pixel == 4)
684	((uint32_t *)line)[x] = value;
685	else
686	((uint16_t *)line)[x] = value;
687	}
688
689	row += rowstride;
690	line += ximage->bytes_per_line;
691	}
692
693	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
694	XDestroyImage (ximage);
695	return true;
696	}
697
698	bool
699	rxvt_term::render_image (unsigned long tr_flags)
700	{
701	if (!pixbuf)
702	return false;
703
704	if (tr_flags
705	&& !(bg_flags & BG_HAS_RENDER))
706	return false;
707
708	GdkPixbuf *result;
709
710	int image_width = gdk_pixbuf_get_width (pixbuf);
711	int image_height = gdk_pixbuf_get_height (pixbuf);
712
713	int target_width = szHint.width;
714	int target_height = szHint.height;
715	int new_pmap_width = target_width;
716	int new_pmap_height = target_height;
717
718	int x = 0;
719	int y = 0;
720	int w = 0;
721	int h = 0;
722
723	get_image_geometry (image_width, image_height, w, h, x, y);
724
725	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
726	&& (x >= target_width	487	&& (x >= target_width
727	\|\| y >= target_height	488	\|\| y >= target_height
728	\|\| x + w <= 0	489	\|\| x + w <= 0
729	\|\| y + h <= 0))	490	\|\| y + h <= 0))
730	return false;	491	return false;
…		…
744		505
745	bool ret = false;	506	bool ret = false;
746		507
747	XGCValues gcv;	508	XGCValues gcv;
748	GC gc;	509	GC gc;
749	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
750		511
751	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
752	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
753		514
754	if (tr_flags)	515	if (need_blend)
755	{	516	{
756	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
757	bg_pixmap = None;	518	bg_pixmap = None;
758	}	519	}
759	else	520	else
760	{	521	{
761	if (bg_flags & BG_TILE)	522	if (image.flags & IM_TILE)
762	{	523	{
763	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
764	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
765	}	526	}
766	}	527	}
…		…
779	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
781		542
782	if (gc)	543	if (gc)
783	{	544	{
784	if (bg_flags & BG_TILE)	545	if (image.flags & IM_TILE)
785	{	546	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
787	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,	549	0, 0,
789	0, 0,	550	0, 0,
…		…
817	dst_x, dst_y,	578	dst_x, dst_y,
818	dst_width, dst_height);	579	dst_width, dst_height);
819	}	580	}
820		581
821	#if XRENDER	582	#if XRENDER
822	if (tr_flags)	583	if (need_blend)
823	{	584	{
824	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
825		586
826	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
827		588
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		590
830	Picture mask = create_xrender_mask (dpy, vt, False, False);	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
831		592
…		…
851	}	612	}
852		613
853	if (result != pixbuf)	614	if (result != pixbuf)
854	g_object_unref (result);	615	g_object_unref (result);
855		616
856	if (tr_flags)	617	if (need_blend)
857	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
858		619
859	return ret;	620	return ret;
860	}	621	}
861	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
862		623
863	bool	624	bool
864	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
865	{	626	{
866	if (!file \|\| !*file)	627	if (!file \|\| !*file)
867	return false;	628	return false;
868		629
869	bool ret = false;	630	bool ret = false;
…		…
876	memcpy (f, file, len);	637	memcpy (f, file, len);
877	f[len] = '\0';	638	f[len] = '\0';
878	file = f;	639	file = f;
879	}	640	}
880		641
881	# ifdef HAVE_AFTERIMAGE
882	if (!asimman)
883	asimman = create_generic_imageman (rs[Rs_path]);
884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
885	if (image)
886	{
887	if (original_asim)
888	safe_asimage_destroy (original_asim);
889	original_asim = image;
890	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
891	ret = true;
892	}
893	# endif
894
895	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897	if (image)	644	if (image)
898	{	645	{
899	if (pixbuf)	646	if (pixbuf)
900	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
901	pixbuf = image;	648	pixbuf = image;
902	bg_flags \|= BG_IS_FROM_FILE;
903	ret = true;	649	ret = true;
904	}	650	}
905	# endif	651	# endif
906		652
907	if (ret)	653	if (ret)
908	{	654	{
		655	flags = IM_IS_SET \| IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
909	if (p)	659	if (p)
910	bg_set_geometry (p + 1);	660	set_geometry (p + 1);
911	else
912	bg_set_default_geometry ();
913	}	661	}
914		662
915	return ret;	663	return ret;
916	}	664	}
917		665
918	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
919		667
920	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
921	bool
922	rxvt_term::bg_set_transparent ()
923	{
924	if (!(bg_flags & BG_IS_TRANSPARENT))
925	{
926	bg_flags \|= BG_IS_TRANSPARENT;
927	return true;
928	}
929
930	return false;
931	}
932
933	bool	669	bool
934	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
935	{	671	{
936	bool changed = false;	672	bool changed = false;
937	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
956	{	692	{
957	changed = true;	693	changed = true;
958	v_blurRadius = vr;	694	v_blurRadius = vr;
959	}	695	}
960		696
961	if (v_blurRadius == 0 && h_blurRadius == 0)
962	bg_flags &= ~BG_NEEDS_BLUR;
963	else
964	bg_flags \|= BG_NEEDS_BLUR;
965
966	return changed;	697	return changed;
967	}	698	}
968		699
969	void
970	rxvt_term::set_tint_shade_flags ()
971	{
972	rgba c;
973	bool has_shade = shade != 100;
974
975	bg_flags &= ~BG_TINT_FLAGS;
976
977	tint.get (c);
978
979	if (!has_shade
980	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)
981	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
982	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
983	bg_flags \|= BG_TINT_BITAND;
984
985	if (has_shade
986	\|\| c.r < 0xff00
987	\|\| c.g < 0xff00
988	\|\| c.b < 0xff00)
989	bg_flags \|= BG_NEEDS_TINT;
990	}
991
992	bool	700	bool
993	rxvt_term::bg_set_tint (rxvt_color &new_tint)	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
994	{	702	{
995	if (tint != new_tint)	703	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
996	{	704	{
997	tint = new_tint;	705	tint = new_tint;
998	set_tint_shade_flags ();	706	bg_flags \|= BG_TINT_SET;
		707
		708	rgba c;
		709	tint.get (c);
		710	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
		711	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
		712	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
		713	bg_flags \|= BG_TINT_BITAND;
		714	else
		715	bg_flags &= ~BG_TINT_BITAND;
		716
999	return true;	717	return true;
1000	}	718	}
1001		719
1002	return false;	720	return false;
1003	}	721	}
…		…
1012	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
1013		731
1014	if (new_shade != shade)	732	if (new_shade != shade)
1015	{	733	{
1016	shade = new_shade;	734	shade = new_shade;
1017	set_tint_shade_flags ();
1018	return true;	735	return true;
1019	}	736	}
1020		737
1021	return false;	738	return false;
1022	}	739	}
…		…
1043	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1044	}	761	}
1045	#endif	762	#endif
1046		763
1047	bool	764	bool
1048	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1049	{	766	{
1050	bool ret = false;	767	bool ret = false;
1051	#if XRENDER	768	#if XRENDER
1052	if (!(bg_flags & BG_HAS_RENDER_CONV))	769	if (!(bg_flags & BG_HAS_RENDER_CONV))
1053	return false;	770	return false;
1054		771
1055	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	772	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1056	double kernel = (double )malloc (size * sizeof (double));	773	double kernel = (double )malloc (size * sizeof (double));
1057	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	774	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
1058		775
		776	XRenderPictureAttributes pa;
1059	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1060		778
		779	pa.repeat = RepeatPad;
1061	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1062	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1063		784
1064	if (kernel && params)	785	if (kernel && params)
1065	{	786	{
1066	if (h_blurRadius)
1067	{
1068	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1069	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1070		789
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1073	PictOpSrc,	792	PictOpSrc,
1074	src,	793	src,
1075	None,	794	None,
1076	dst,	795	dst,
1077	0, 0,	796	0, 0,
1078	0, 0,	797	0, 0,
1079	0, 0,	798	0, 0,
1080	width, height);	799	width, height);
1081	}
1082		800
1083	if (v_blurRadius)	801	::swap (src, dst);
1084	{	802
1085	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1086	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1087	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1088		806
1089	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1090	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1091	PictOpSrc,	809	PictOpSrc,
1092	src,	810	src,
1093	None,	811	None,
1094	dst,	812	dst,
1095	0, 0,	813	0, 0,
1096	0, 0,	814	0, 0,
1097	0, 0,	815	0, 0,
1098	width, height);	816	width, height);
1099	}
1100		817
1101	ret = true;	818	ret = true;
1102	}	819	}
1103		820
1104	free (kernel);	821	free (kernel);
…		…
1108	#endif	825	#endif
1109	return ret;	826	return ret;
1110	}	827	}
1111		828
1112	bool	829	bool
1113	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1114	{	831	{
1115	bool ret = false;	832	bool ret = false;
1116		833
1117	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1118	{	835	{
1119	XGCValues gcv;	836	XGCValues gcv;
1120	GC gc;	837	GC gc;
1121		838
1122	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1134	}	851	}
1135	}	852	}
1136	# if XRENDER	853	# if XRENDER
1137	else if (bg_flags & BG_HAS_RENDER)	854	else if (bg_flags & BG_HAS_RENDER)
1138	{	855	{
1139	rgba c;	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1140		857
		858	if (bg_flags & BG_TINT_SET)
1141	tint.get (c);	859	tint.get (c);
1142		860
1143	if (shade <= 100)	861	if (shade <= 100)
1144	{	862	{
1145	c.r = c.r * shade / 100;	863	c.r = c.r * shade / 100;
1146	c.g = c.g * shade / 100;	864	c.g = c.g * shade / 100;
…		…
1202	/*	920	/*
1203	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1204	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1205	* our window.	923	* our window.
1206	*/	924	*/
1207	unsigned long	925	bool
1208	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1209	{	927	{
1210	unsigned long result = 0;	928	bool ret = false;
1211		929
1212	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1213	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1214	*/	932	*/
1215	int screen = display->screen;	933	int screen = display->screen;
…		…
1296	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1297		1015
1298	if (gc)	1016	if (gc)
1299	{	1017	{
1300	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1301	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1019	ret = true;
		1020	bool need_blur = h_blurRadius && v_blurRadius;
		1021	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
1302		1022
1303	if (!(bg_flags & BG_CLIENT_RENDER))	1023	if (!(bg_flags & BG_CLIENT_RENDER))
1304	{	1024	{
1305	if (bg_flags & BG_NEEDS_BLUR)	1025	if (need_blur)
1306	{	1026	{
1307	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
1308	result &= ~BG_NEEDS_BLUR;	1028	need_blur = false;
1309	}
1310	if (bg_flags & BG_NEEDS_TINT)
1311	{	1029	}
		1030	if (need_tint)
		1031	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;	1033	need_tint = false;
1314	}	1034	}
1315	# ifndef HAVE_AFTERIMAGE	1035	if (need_tint)
1316	if (result & BG_NEEDS_TINT)
1317	{	1036	{
1318	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1037	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1319	if (ximage)	1038	if (ximage)
1320	{	1039	{
1321	/* our own client-side tinting */	1040	/* our own client-side tinting */
1322	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1041	tint_ximage (ximage);
1323		1042
1324	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1043	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1325	XDestroyImage (ximage);	1044	XDestroyImage (ximage);
1326	}	1045	}
1327	}	1046	}
1328	# endif
1329	} /* server side rendering completed */	1047	} /* server side rendering completed */
1330		1048
1331	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1332	}	1050	}
1333		1051
1334	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1335	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1336		1054
1337	return result;	1055	return ret;
1338	}	1056	}
1339		1057
1340	void	1058	void
1341	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1342	{	1060	{
…		…
1349	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1350		1068
1351	bool	1069	bool
1352	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1353	{	1071	{
1354	unsigned long tr_flags = 0;
1355
1356	bg_invalidate ();	1072	bg_invalidate ();
1357	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1358	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1359	{	1075	{
1360	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1361	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1362	if (tr_flags == 0)
1363	return false;
1364	bg_flags \|= BG_IS_VALID;	1078	bg_flags \|= BG_IS_VALID;
1365	}	1079	}
1366	# endif	1080	# endif
1367		1081
1368	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1369	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1370	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1371	{	1084	{
1372	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1373	bg_flags \|= BG_IS_VALID;	1086	bg_flags \|= BG_IS_VALID;
1374	}	1087	}
1375	# endif	1088	# endif
1376		1089
1377	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
…		…
1393		1106
1394	void	1107	void
1395	rxvt_term::bg_init ()	1108	rxvt_term::bg_init ()
1396	{	1109	{
1397	#ifdef ENABLE_TRANSPARENCY	1110	#ifdef ENABLE_TRANSPARENCY
1398	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1399	tint.set (this, c);
1400	shade = 100;	1111	shade = 100;
1401	#endif	1112	#endif
1402		1113
1403	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);	1114	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1404	#if XRENDER	1115	#if XRENDER
…		…
1417	#endif	1128	#endif
1418	}	1129	}
1419		1130
1420	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1421		1132
1422	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1423	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1424		1135
1425	static inline void	1136	static inline void
1426	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1137	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1427	{	1138	{
…		…
1433	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1434	}	1145	}
1435	}	1146	}
1436		1147
1437	void	1148	void
1438	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1439	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1440	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1154	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1443	unsigned short low;	1155	unsigned short low;
1444	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1449	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1452		1164
1453	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1455	{	1167	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) \|\|	1169
1458	(mask_g != 0x03e0) \|\|	1170	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1171	size_g = mask_g >> sh_g;
		1172	size_b = mask_b >> sh_b;
		1173
		1174	if (size_r++ > 255 \|\| size_g++ > 255 \|\| size_b++ > 255)
1460	return;	1175	return;
1461	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+32+32));	1176
		1177	lookup = (uint32_t )malloc (sizeof (uint32_t) (size_r + size_g + size_b));
1462	lookup_r = lookup;	1178	lookup_r = lookup;
1463	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;
1466	sh_g = 5;
1467	sh_b = 0;
1468	break;
1469	case 16:
1470	if ((mask_r != 0xf800) \|\|
1471	(mask_g != 0x07e0) \|\|
1472	(mask_b != 0x001f))
1473	return;
1474	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1475	lookup_r = lookup;
1476	lookup_g = lookup+32;
1477	lookup_b = lookup+32+64;
1478	sh_r = 11;
1479	sh_g = 5;
1480	sh_b = 0;
1481	break;
1482	case 24:
1483	if ((mask_r != 0xff0000) \|\|
1484	(mask_g != 0x00ff00) \|\|
1485	(mask_b != 0x0000ff))
1486	return;
1487	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1488	lookup_r = lookup;
1489	lookup_g = lookup+256;
1490	lookup_b = lookup+256+256;
1491	sh_r = 16;
1492	sh_g = 8;
1493	sh_b = 0;
1494	break;
1495	case 32:
1496	if ((mask_r != 0xff0000) \|\|
1497	(mask_g != 0x00ff00) \|\|
1498	(mask_b != 0x0000ff))
1499	return;
1500	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1501	lookup_r = lookup;
1502	lookup_g = lookup+256;
1503	lookup_b = lookup+256+256;
1504	sh_r = 16;
1505	sh_g = 8;
1506	sh_b = 0;
1507	break;
1508	default:
1509	return; /* we do not support this color depth */
1510	}
1511		1181
1512	rgba c;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1513		1183
		1184	if (bg_flags & BG_TINT_SET)
1514	tint.get (c);	1185	tint.get (c);
1515		1186
1516	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1188	if (shade > 100)
1518	{	1189	{
1519	c.r = c.r * (200 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
…		…
1536	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1538		1209
1539	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1540	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1541	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1542	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1543	{	1213	{
1544	uint32_t p1, pf, p, pl;	1214	char *line = ximage->data;
1545	p1 = (uint32_t *) ximage->data;
1546	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1547		1215
1548	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1549	{
1550	p = p1;
1551	pl = p1 + ximage->width;
1552	for (; p < pl; p++)
1553	{	1217	{
1554	p = lookup_r[(p & 0xff0000) >> 16] \|	1218	uint32_t p = (uint32_t )line;
1555	lookup_g[(*p & 0x00ff00) >> 8] \|	1219	for (int x = 0; x < ximage->width; x++)
1556	lookup_b[(*p & 0x0000ff)] \|
1557	(*p & 0xff000000);
1558	}	1220	{
1559	p1 = (uint32_t ) ((char ) p1 + ximage->bytes_per_line);	1221	p = lookup_r[(p & mask_r) >> sh_r] \|
		1222	lookup_g[(*p & mask_g) >> sh_g] \|
		1223	lookup_b[(*p & mask_b) >> sh_b];
		1224	p++;
		1225	}
		1226	line += ximage->bytes_per_line;
1560	}	1227	}
1561	}	1228	}
1562	else	1229	else
1563	{	1230	{
1564	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1572	}	1239	}
1573	}	1240	}
1574		1241
1575	free (lookup);	1242	free (lookup);
1576	}	1243	}
1577	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing rxvt-unicode/src/background.C (file contents): Revision 1.192 by sf-exg, Fri Dec 30 12:45:56 2011 UTC vs. Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.192 by sf-exg, Fri Dec 30 12:45:56 2011 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC