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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.193 by sf-exg, Sun Jan 1 14:31:29 2012 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 (h_blurRadius == 0 \|\| v_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	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1067	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
…		…
1075	0, 0,	796	0, 0,
1076	0, 0,	797	0, 0,
1077	0, 0,	798	0, 0,
1078	width, height);	799	width, height);
1079		800
		801	::swap (src, dst);
		802
1080	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1081	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1082	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1083		806
1084	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
…		…
1102	#endif	825	#endif
1103	return ret;	826	return ret;
1104	}	827	}
1105		828
1106	bool	829	bool
1107	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1108	{	831	{
1109	bool ret = false;	832	bool ret = false;
1110		833
1111	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1112	{	835	{
1113	XGCValues gcv;	836	XGCValues gcv;
1114	GC gc;	837	GC gc;
1115		838
1116	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1128	}	851	}
1129	}	852	}
1130	# if XRENDER	853	# if XRENDER
1131	else if (bg_flags & BG_HAS_RENDER)	854	else if (bg_flags & BG_HAS_RENDER)
1132	{	855	{
1133	rgba c;	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1134		857
		858	if (bg_flags & BG_TINT_SET)
1135	tint.get (c);	859	tint.get (c);
1136		860
1137	if (shade <= 100)	861	if (shade <= 100)
1138	{	862	{
1139	c.r = c.r * shade / 100;	863	c.r = c.r * shade / 100;
1140	c.g = c.g * shade / 100;	864	c.g = c.g * shade / 100;
…		…
1196	/*	920	/*
1197	* 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
1198	* 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
1199	* our window.	923	* our window.
1200	*/	924	*/
1201	unsigned long	925	bool
1202	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1203	{	927	{
1204	unsigned long result = 0;	928	bool ret = false;
1205		929
1206	/* 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
1207	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1208	*/	932	*/
1209	int screen = display->screen;	933	int screen = display->screen;
…		…
1290	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1291		1015
1292	if (gc)	1016	if (gc)
1293	{	1017	{
1294	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1295	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);
1296		1022
1297	if (!(bg_flags & BG_CLIENT_RENDER))	1023	if (!(bg_flags & BG_CLIENT_RENDER))
1298	{	1024	{
1299	if (bg_flags & BG_NEEDS_BLUR)	1025	if (need_blur)
1300	{	1026	{
1301	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
1302	result &= ~BG_NEEDS_BLUR;	1028	need_blur = false;
1303	}
1304	if (bg_flags & BG_NEEDS_TINT)
1305	{	1029	}
		1030	if (need_tint)
		1031	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;	1033	need_tint = false;
1308	}	1034	}
1309	# ifndef HAVE_AFTERIMAGE	1035	if (need_tint)
1310	if (result & BG_NEEDS_TINT)
1311	{	1036	{
1312	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);
1313	if (ximage)	1038	if (ximage)
1314	{	1039	{
1315	/* our own client-side tinting */	1040	/* our own client-side tinting */
1316	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1041	tint_ximage (ximage);
1317		1042
1318	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);
1319	XDestroyImage (ximage);	1044	XDestroyImage (ximage);
1320	}	1045	}
1321	}	1046	}
1322	# endif
1323	} /* server side rendering completed */	1047	} /* server side rendering completed */
1324		1048
1325	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1326	}	1050	}
1327		1051
1328	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1329	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1330		1054
1331	return result;	1055	return ret;
1332	}	1056	}
1333		1057
1334	void	1058	void
1335	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1336	{	1060	{
…		…
1343	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1344		1068
1345	bool	1069	bool
1346	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1347	{	1071	{
1348	unsigned long tr_flags = 0;
1349
1350	bg_invalidate ();	1072	bg_invalidate ();
1351	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1352	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1353	{	1075	{
1354	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1355	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1356	if (tr_flags == 0)
1357	return false;
1358	bg_flags \|= BG_IS_VALID;	1078	bg_flags \|= BG_IS_VALID;
1359	}	1079	}
1360	# endif	1080	# endif
1361		1081
1362	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1363	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1364	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1365	{	1084	{
1366	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1367	bg_flags \|= BG_IS_VALID;	1086	bg_flags \|= BG_IS_VALID;
1368	}	1087	}
1369	# endif	1088	# endif
1370		1089
1371	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
…		…
1387		1106
1388	void	1107	void
1389	rxvt_term::bg_init ()	1108	rxvt_term::bg_init ()
1390	{	1109	{
1391	#ifdef ENABLE_TRANSPARENCY	1110	#ifdef ENABLE_TRANSPARENCY
1392	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1393	tint.set (this, c);
1394	shade = 100;	1111	shade = 100;
1395	#endif	1112	#endif
1396		1113
1397	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);	1114	bg_flags &= ~(BG_HAS_RENDER \| BG_HAS_RENDER_CONV);
1398	#if XRENDER	1115	#if XRENDER
…		…
1411	#endif	1128	#endif
1412	}	1129	}
1413		1130
1414	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1415		1132
1416	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1417	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1418		1135
1419	static inline void	1136	static inline void
1420	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)
1421	{	1138	{
…		…
1427	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1428	}	1145	}
1429	}	1146	}
1430		1147
1431	void	1148	void
1432	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1433	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1434	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1435	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1436	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1154	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1437	unsigned short low;	1155	unsigned short low;
1438	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1443	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1444	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1445	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1446		1164
1447	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1448	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1449	{	1167	sh_g = ecb_ctz32 (mask_g);
1450	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1451	if ((mask_r != 0x7c00) \|\|	1169
1452	(mask_g != 0x03e0) \|\|	1170	size_r = mask_r >> sh_r;
1453	(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)
1454	return;	1175	return;
1455	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));
1456	lookup_r = lookup;	1178	lookup_r = lookup;
1457	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1458	lookup_b = lookup+32+32;	1180	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		1181
1506	rgba c;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1507		1183
		1184	if (bg_flags & BG_TINT_SET)
1508	tint.get (c);	1185	tint.get (c);
1509		1186
1510	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1511	if (shade > 100)	1188	if (shade > 100)
1512	{	1189	{
1513	c.r = c.r * (200 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
…		…
1530	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1531	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1532		1209
1533	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1534	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1535	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1536	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1537	{	1213	{
1538	uint32_t p1, pf, p, pl;	1214	char *line = ximage->data;
1539	p1 = (uint32_t *) ximage->data;
1540	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1541		1215
1542	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1543	{
1544	p = p1;
1545	pl = p1 + ximage->width;
1546	for (; p < pl; p++)
1547	{	1217	{
1548	p = lookup_r[(p & 0xff0000) >> 16] \|	1218	uint32_t p = (uint32_t )line;
1549	lookup_g[(*p & 0x00ff00) >> 8] \|	1219	for (int x = 0; x < ximage->width; x++)
1550	lookup_b[(*p & 0x0000ff)] \|
1551	(*p & 0xff000000);
1552	}	1220	{
1553	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;
1554	}	1227	}
1555	}	1228	}
1556	else	1229	else
1557	{	1230	{
1558	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1566	}	1239	}
1567	}	1240	}
1568		1241
1569	free (lookup);	1242	free (lookup);
1570	}	1243	}
1571	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.193 by sf-exg, Sun Jan 1 14:31:29 2012 UTC vs. Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.193 by sf-exg, Sun Jan 1 14:31:29 2012 UTC vs.
Revision 1.216 by sf-exg, Sun May 20 16:23:42 2012 UTC