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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs.
Revision 1.217 by sf-exg, Sun May 20 16:34:42 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>
…		…
58	# endif	58	# endif
59		59
60	void	60	void
61	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
62	{	62	{
63	#ifdef HAVE_AFTERIMAGE
64	if (original_asim)
65	safe_asimage_destroy (original_asim);
66	if (asv)
67	destroy_asvisual (asv, 0);
68	if (asimman)
69	destroy_image_manager (asimman, 0);
70	#endif
71
72	#ifdef HAVE_PIXBUF
73	if (pixbuf)
74	g_object_unref (pixbuf);
75	#endif
76
77	if (bg_pixmap)	63	if (bg_pixmap)
78	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
79	}	65	}
80		66
81	bool	67	bool
…		…
99	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
100	return true;	86	return true;
101	# endif	87	# endif
102		88
103	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
104	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
105	{	91	{
106	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)
107	return true;	95	return true;
108	}	96	}
109	# endif	97	# endif
110		98
111	return false;	99	return false;
…		…
118	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
119	return true;	107	return true;
120	# endif	108	# endif
121		109
122	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
123	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
124	{	112	{
125	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
126	return true;	114	return true;
127	}	115	}
128	# endif	116	# endif
129		117
130	return false;	118	return false;
131	}	119	}
132		120
133	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
134	static inline bool
135	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
136	{
137	if (geom_flags & flag)
138	{
139	if (new_value > 1000)
140	new_value = 1000;
141	if (new_value != scale)
142	{
143	scale = new_value;
144	return true;
145	}
146	}
147	return false;
148	}
149
150	static inline bool
151	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
152	{
153	if (geom_flags & flag)
154	{
155	if (new_value < -100)
156	new_value = -100;
157	else if (new_value > 200)
158	new_value = 200;
159	if (new_value != align)
160	{
161	align = new_value;
162	return true;
163	}
164	}
165	return false;
166	}
167
168	static inline int	122	static inline int
169	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
170	{	124	{
171	int diff = window_size - image_size;
172	int smaller = min (image_size, window_size);
173
174	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
175	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
176	else if (align > 100 && align <= 200)	127	else if (align > 100)
177	return (align - 100) * smaller / 100 + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
178	else if (align >= -100 && align < 0)	129	else
179	return (align + 100) * smaller / 100 - image_size;	130	return lerp (-image_size, 0, align + 100);
180	return 0;
181	}	131	}
182		132
183	static inline int	133	static inline int
184	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)
185	{	135	{
…		…
196	min_it (dst_size, target_size - dst_pos);	146	min_it (dst_size, target_size - dst_pos);
197	return src_pos;	147	return src_pos;
198	}	148	}
199		149
200	bool	150	bool
201	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
202	{	152	{
203	bool changed = false;	153	bool changed = false;
204	int geom_flags = 0;	154	int geom_flags = 0;
205	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
206	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
		158	unsigned int h = v_scale;
207	unsigned long new_flags = 0;	159	unsigned long new_flags = 0;
208		160
209	if (geom == NULL)	161	if (geom == NULL)
210	return false;	162	return false;
211		163
…		…
215		167
216	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
217	{	169	{
218	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
219	{	171	{
220	new_flags = BG_TILE;	172	new_flags = IM_TILE;
221	w = h = noScale;	173	w = h = noScale;
222	x = y = 0;	174	x = y = 0;
223	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	175	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
224	}	176	}
225	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
226	{	178	{
227	new_flags = BG_KEEP_ASPECT;	179	new_flags = IM_KEEP_ASPECT;
228	w = h = windowScale;	180	w = h = windowScale;
229	x = y = centerAlign;	181	x = y = centerAlign;
230	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
231	}	183	}
232	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
242	x = y = centerAlign;	194	x = y = centerAlign;
243	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	195	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
244	}	196	}
245	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
246	{	198	{
247	new_flags = BG_TILE\|BG_ROOT_ALIGN;	199	new_flags = IM_TILE\|IM_ROOT_ALIGN;
248	w = h = noScale;	200	w = h = noScale;
249	geom_flags = WidthValue\|HeightValue;	201	geom_flags = WidthValue\|HeightValue;
250	}	202	}
251	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
252	new_flags \|= BG_TILE;	204	new_flags \|= IM_TILE;
253	else if (!strcasecmp (arr[i], "op=keep-aspect"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
254	new_flags \|= BG_KEEP_ASPECT;	206	new_flags \|= IM_KEEP_ASPECT;
255	else if (!strcasecmp (arr[i], "op=root-align"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
256	new_flags \|= BG_ROOT_ALIGN;	208	new_flags \|= IM_ROOT_ALIGN;
257		209
258	// deprecated	210	// deprecated
259	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
260	{	212	{
261	new_flags \|= BG_TILE;	213	new_flags \|= IM_TILE;
262	w = h = noScale;	214	w = h = noScale;
263	geom_flags \|= WidthValue\|HeightValue;	215	geom_flags \|= WidthValue\|HeightValue;
264	}	216	}
265	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
266	{	218	{
267	new_flags \|= BG_KEEP_ASPECT;	219	new_flags \|= IM_KEEP_ASPECT;
268	w = h = windowScale;	220	w = h = windowScale;
269	geom_flags \|= WidthValue\|HeightValue;	221	geom_flags \|= WidthValue\|HeightValue;
270	}	222	}
271	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
272	{	224	{
273	new_flags \|= BG_TILE;	225	new_flags \|= IM_TILE;
274	w = windowScale;	226	w = windowScale;
275	h = noScale;	227	h = noScale;
276	geom_flags \|= WidthValue\|HeightValue;	228	geom_flags \|= WidthValue\|HeightValue;
277	}	229	}
278	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
279	{	231	{
280	new_flags \|= BG_TILE;	232	new_flags \|= IM_TILE;
281	h = windowScale;	233	h = windowScale;
282	w = noScale;	234	w = noScale;
283	geom_flags \|= WidthValue\|HeightValue;	235	geom_flags \|= WidthValue\|HeightValue;
284	}	236	}
285	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
293	x = y = centerAlign;	245	x = y = centerAlign;
294	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	246	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
295	}	247	}
296	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
297	{	249	{
298	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;	250	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
299	w = h = noScale;	251	w = h = noScale;
300	geom_flags \|= WidthValue\|HeightValue;	252	geom_flags \|= WidthValue\|HeightValue;
301	}	253	}
302		254
303	else	255	else
…		…
305	} /* done parsing ops */	257	} /* done parsing ops */
306		258
307	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
308	}	260	}
309		261
310	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;	262	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
311		263
312	if (!update)	264	if (!update)
313	{	265	{
314	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
315	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
320	w = h = defaultScale;	272	w = h = defaultScale;
321	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
322	h = w;	274	h = w;
323	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
324	w = h;	276	w = h;
325
326	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
327	}
328
329	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
330	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
331	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
332	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
333
334	if (new_flags != bg_flags)
335	{	277	}
		278
		279	clamp_it (x, -100, 200);
		280	clamp_it (y, -100, 200);
		281
		282	if (flags != new_flags
		283	\|\| h_scale != w
		284	\|\| v_scale != h
		285	\|\| h_align != x
		286	\|\| v_align != y)
		287	{
336	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
337	changed = true;	293	changed = true;
338	}	294	}
339		295
		296	if (!(flags & IM_TILE)
		297	\|\| h_scale \|\| v_scale
		298	\|\| (!(flags & IM_ROOT_ALIGN) && (h_align \|\| v_align)))
		299	flags \|= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
340	return changed;	303	return changed;
341	}	304	}
342		305
343	void	306	void
344	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
345	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
346	int target_width = szHint.width;	311	int target_width = szHint.width;
347	int target_height = szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
348		315
349	w = h_scale * target_width / 100;	316	w = h_scale * target_width / 100;
350	h = v_scale * target_height / 100;	317	h = v_scale * target_height / 100;
351		318
352	if (bg_flags & BG_KEEP_ASPECT)	319	if (image.flags & IM_KEEP_ASPECT)
353	{	320	{
354	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
355	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
356	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
357	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
358	}	325	}
359		326
360	if (!w) w = image_width;	327	if (!w) w = image_width;
361	if (!h) h = image_height;	328	if (!h) h = image_height;
362		329
363	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
364	{	331	{
365	x = -target_x;	332	x = -target_x;
366	y = -target_y;	333	y = -target_y;
367	}	334	}
368	else	335	else
369	{	336	{
370	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
371	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
372	}
373
374	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
375	if (!(bg_flags & BG_TILE)
376	\|\| h_scale \|\| v_scale
377	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
378	\|\| w > target_width \|\| h > target_height)
379	bg_flags \|= BG_IS_SIZE_SENSITIVE;
380	}
381
382	# ifdef HAVE_AFTERIMAGE
383	bool
384	rxvt_term::render_image (unsigned long tr_flags)
385	{
386	init_asv ();
387
388	ASImage *background = NULL;
389	ARGB32 background_tint = TINT_LEAVE_SAME;
390
391	# ifdef ENABLE_TRANSPARENCY
392	if (tr_flags)
393	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
394
395	if (tr_flags & BG_NEEDS_TINT)
396	{	339	}
397	ShadingInfo as_shade;	340	}
398	as_shade.shading = shade;
399		341
400	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
401	if (bg_flags & BG_TINT_SET)	343	bool
402	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
403	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
404	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
405	as_shade.tintColor.blue = c.b;	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;
406		356
407	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)))
408	}	391	{
409		392	XDestroyImage (ximage);
410	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
411	{	394	}
412	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
413	ASA_XImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
414	100, ASIMAGE_QUALITY_DEFAULT);	397
415	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)
416	{	422	{
417	destroy_asimage (&background);	423	a = pixel[3];
418	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);
419	}	445	}
420	}
421	# endif
422		446
423	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);
424		473
425	int target_width = szHint.width;	474	int target_width = szHint.width;
426	int target_height = szHint.height;	475	int target_height = szHint.height;
427	int new_pmap_width = target_width;	476	int new_pmap_width = target_width;
428	int new_pmap_height = target_height;	477	int new_pmap_height = target_height;
…		…
430	int x = 0;	479	int x = 0;
431	int y = 0;	480	int y = 0;
432	int w = 0;	481	int w = 0;
433	int h = 0;	482	int h = 0;
434		483
435	if (original_asim)	484	get_image_geometry (image, w, h, x, y);
436	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
437		485
438	if (!original_asim
439	\|\| (!(bg_flags & BG_ROOT_ALIGN)
440	&& (x >= target_width
441	\|\| y >= target_height
442	\|\| x + w <= 0
443	\|\| y + h <= 0)))
444	{
445	if (background)
446	{
447	new_pmap_width = background->width;
448	new_pmap_height = background->height;
449	result = background;
450
451	if (background_tint != TINT_LEAVE_SAME)
452	{
453	ASImage *tmp = tile_asimage (asv, background, 0, 0,
454	target_width, target_height, background_tint,
455	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
456	if (tmp)
457	result = tmp;
458	}
459	}
460	else
461	new_pmap_width = new_pmap_height = 0;
462	}
463	else
464	{
465	result = original_asim;
466
467	if (w != original_asim->width
468	\|\| h != original_asim->height)
469	{
470	result = scale_asimage (asv, original_asim,
471	w, h,
472	ASA_XImage,
473	100, ASIMAGE_QUALITY_DEFAULT);
474	}
475
476	if (background == NULL)
477	{
478	if (bg_flags & BG_TILE)
479	{
480	/* if tiling - pixmap has to be sized exactly as the image,
481	but there is no need to make it bigger than the window! */
482	new_pmap_width = min (result->width, target_width);
483	new_pmap_height = min (result->height, target_height);
484
485	/* we also need to tile our image in both directions */
486	ASImage *tmp = tile_asimage (asv, result,
487	(int)result->width - x,
488	(int)result->height - y,
489	new_pmap_width,
490	new_pmap_height,
491	TINT_LEAVE_SAME, ASA_XImage,
492	100, ASIMAGE_QUALITY_DEFAULT);
493	if (tmp)
494	{
495	if (result != original_asim)
496	destroy_asimage (&result);
497
498	result = tmp;
499	}
500	}
501	}
502	else
503	{
504	/* if blending background and image - pixmap has to be sized same as target window */
505	ASImageLayer *layers = create_image_layers (2);
506
507	layers[0].im = background;
508	layers[0].clip_width = target_width;
509	layers[0].clip_height = target_height;
510	layers[0].tint = background_tint;
511	layers[1].im = result;
512
513	if (bg_flags & BG_TILE)
514	{
515	/* tile horizontally */
516	while (x > 0) x -= (int)result->width;
517	layers[1].dst_x = x;
518	layers[1].clip_width = result->width+target_width;
519	}
520	else
521	{
522	/* clip horizontally */
523	layers[1].dst_x = x;
524	layers[1].clip_width = result->width;
525	}
526
527	if (bg_flags & BG_TILE)
528	{
529	while (y > 0) y -= (int)result->height;
530	layers[1].dst_y = y;
531	layers[1].clip_height = result->height + target_height;
532	}
533	else
534	{
535	layers[1].dst_y = y;
536	layers[1].clip_height = result->height;
537	}
538
539	if (rs[Rs_blendtype])
540	{
541	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
542	if (layers[1].merge_scanlines == NULL)
543	layers[1].merge_scanlines = alphablend_scanlines;
544	}
545
546	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
547	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
548
549	if (tmp)
550	{
551	if (result != original_asim)
552	destroy_asimage (&result);
553
554	result = tmp;
555	}
556
557	free (layers);
558	}
559	}
560
561	bool ret = false;
562
563	if (result)
564	{
565	XGCValues gcv;
566	GC gc;
567
568	/* create Pixmap */
569	if (bg_pixmap == None
570	\|\| bg_pmap_width != new_pmap_width
571	\|\| bg_pmap_height != new_pmap_height)
572	{
573	if (bg_pixmap)
574	XFreePixmap (dpy, bg_pixmap);
575	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
576	bg_pmap_width = new_pmap_width;
577	bg_pmap_height = new_pmap_height;
578	}
579	/* fill with background color (if result's not completely overlapping it) */
580	gcv.foreground = pix_colors[Color_bg];
581	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
582
583	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
584	int dst_width = result->width, dst_height = result->height;
585	if (background == NULL)
586	{
587	if (!(bg_flags & BG_TILE))
588	{
589	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
590	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
591	}
592
593	if (dst_x > 0 \|\| dst_y > 0
594	\|\| dst_x + dst_width < new_pmap_width
595	\|\| dst_y + dst_height < new_pmap_height)
596	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
597	}
598
599	/* put result on pixmap */
600	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
601	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
602
603	if (result != background && result != original_asim)
604	destroy_asimage (&result);
605
606	XFreeGC (dpy, gc);
607
608	ret = true;
609	}
610
611	if (background)
612	destroy_asimage (&background);
613
614	return ret;
615	}
616	# endif /* HAVE_AFTERIMAGE */
617
618	# ifdef HAVE_PIXBUF
619	bool
620	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
621	int src_x, int src_y, int dst_x, int dst_y,
622	unsigned int width, unsigned int height)
623	{
624	XImage *ximage;
625	char data, line;
626	int bytes_per_pixel;
627	int width_r, width_g, width_b;
628	int sh_r, sh_g, sh_b;
629	int rowstride;
630	int channels;
631	unsigned char *row;
632
633	if (visual->c_class != TrueColor)
634	return false;
635
636	if (depth == 24 \|\| depth == 32)
637	bytes_per_pixel = 4;
638	else if (depth == 15 \|\| depth == 16)
639	bytes_per_pixel = 2;
640	else
641	return false;
642
643	width_r = ecb_popcount32 (visual->red_mask);
644	width_g = ecb_popcount32 (visual->green_mask);
645	width_b = ecb_popcount32 (visual->blue_mask);
646
647	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)
648	return false;
649
650	sh_r = ecb_ctz32 (visual->red_mask);
651	sh_g = ecb_ctz32 (visual->green_mask);
652	sh_b = ecb_ctz32 (visual->blue_mask);
653
654	if (width > INT_MAX / height / bytes_per_pixel)
655	return false;
656
657	data = (char )malloc (width height * bytes_per_pixel);
658	if (!data)
659	return false;
660
661	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
662	width, height, bytes_per_pixel * 8, 0);
663	if (!ximage)
664	{
665	free (data);
666	return false;
667	}
668
669	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
670
671	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
672	channels = gdk_pixbuf_get_n_channels (pixbuf);
673	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
674	line = data;
675
676	for (int y = 0; y < height; y++)
677	{
678	for (int x = 0; x < width; x++)
679	{
680	unsigned char pixel = row + x channels;
681	uint32_t value;
682
683	value = ((pixel[0] >> (8 - width_r)) << sh_r)
684	\| ((pixel[1] >> (8 - width_g)) << sh_g)
685	\| ((pixel[2] >> (8 - width_b)) << sh_b);
686
687	if (bytes_per_pixel == 4)
688	((uint32_t *)line)[x] = value;
689	else
690	((uint16_t *)line)[x] = value;
691	}
692
693	row += rowstride;
694	line += ximage->bytes_per_line;
695	}
696
697	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
698	XDestroyImage (ximage);
699	return true;
700	}
701
702	bool
703	rxvt_term::render_image (unsigned long tr_flags)
704	{
705	if (!pixbuf)
706	return false;
707
708	if (tr_flags
709	&& !(bg_flags & BG_HAS_RENDER))
710	return false;
711
712	GdkPixbuf *result;
713
714	int image_width = gdk_pixbuf_get_width (pixbuf);
715	int image_height = gdk_pixbuf_get_height (pixbuf);
716
717	int target_width = szHint.width;
718	int target_height = szHint.height;
719	int new_pmap_width = target_width;
720	int new_pmap_height = target_height;
721
722	int x = 0;
723	int y = 0;
724	int w = 0;
725	int h = 0;
726
727	get_image_geometry (image_width, image_height, w, h, x, y);
728
729	if (!(bg_flags & BG_ROOT_ALIGN)	486	if (!(image.flags & IM_ROOT_ALIGN)
730	&& (x >= target_width	487	&& (x >= target_width
731	\|\| y >= target_height	488	\|\| y >= target_height
732	\|\| x + w <= 0	489	\|\| x + w <= 0
733	\|\| y + h <= 0))	490	\|\| y + h <= 0))
734	return false;	491	return false;
…		…
748		505
749	bool ret = false;	506	bool ret = false;
750		507
751	XGCValues gcv;	508	XGCValues gcv;
752	GC gc;	509	GC gc;
753	Pixmap root_pmap;	510	Pixmap tmp_pixmap;
754		511
755	image_width = gdk_pixbuf_get_width (result);	512	image_width = gdk_pixbuf_get_width (result);
756	image_height = gdk_pixbuf_get_height (result);	513	image_height = gdk_pixbuf_get_height (result);
757		514
758	if (tr_flags)	515	if (need_blend)
759	{	516	{
760	root_pmap = bg_pixmap;	517	tmp_pixmap = bg_pixmap;
761	bg_pixmap = None;	518	bg_pixmap = None;
762	}	519	}
763	else	520	else
764	{	521	{
765	if (bg_flags & BG_TILE)	522	if (image.flags & IM_TILE)
766	{	523	{
767	new_pmap_width = min (image_width, target_width);	524	new_pmap_width = min (image_width, target_width);
768	new_pmap_height = min (image_height, target_height);	525	new_pmap_height = min (image_height, target_height);
769	}	526	}
770	}	527	}
…		…
783	gcv.foreground = pix_colors[Color_bg];	540	gcv.foreground = pix_colors[Color_bg];
784	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	541	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
785		542
786	if (gc)	543	if (gc)
787	{	544	{
788	if (bg_flags & BG_TILE)	545	if (image.flags & IM_TILE)
789	{	546	{
790	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	547	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
791	pixbuf_to_pixmap (result, tile, gc,	548	pixbuf_to_pixmap (result, tile, gc,
792	0, 0,	549	0, 0,
793	0, 0,	550	0, 0,
…		…
821	dst_x, dst_y,	578	dst_x, dst_y,
822	dst_width, dst_height);	579	dst_width, dst_height);
823	}	580	}
824		581
825	#if XRENDER	582	#if XRENDER
826	if (tr_flags)	583	if (need_blend)
827	{	584	{
828	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
829		586
830	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
831		588
832	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
833		590
834	Picture mask = create_xrender_mask (dpy, vt, False, False);	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
835		592
…		…
855	}	612	}
856		613
857	if (result != pixbuf)	614	if (result != pixbuf)
858	g_object_unref (result);	615	g_object_unref (result);
859		616
860	if (tr_flags)	617	if (need_blend)
861	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
862		619
863	return ret;	620	return ret;
864	}	621	}
865	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
866		623
867	bool	624	bool
868	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
869	{	626	{
870	if (!file \|\| !*file)	627	if (!file \|\| !*file)
871	return false;	628	return false;
872		629
873	bool ret = false;	630	bool ret = false;
…		…
880	memcpy (f, file, len);	637	memcpy (f, file, len);
881	f[len] = '\0';	638	f[len] = '\0';
882	file = f;	639	file = f;
883	}	640	}
884		641
885	# ifdef HAVE_AFTERIMAGE
886	if (!asimman)
887	asimman = create_generic_imageman (rs[Rs_path]);
888	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
889	if (image)
890	{
891	if (original_asim)
892	safe_asimage_destroy (original_asim);
893	original_asim = image;
894	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
895	ret = true;
896	}
897	# endif
898
899	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
900	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
901	if (image)	644	if (image)
902	{	645	{
903	if (pixbuf)	646	if (pixbuf)
904	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
905	pixbuf = image;	648	pixbuf = image;
906	bg_flags \|= BG_IS_FROM_FILE;
907	ret = true;	649	ret = true;
908	}	650	}
909	# endif	651	# endif
910		652
911	if (ret)	653	if (ret)
912	{	654	{
		655	flags = IM_IS_SET \| IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
913	if (p)	659	if (p)
914	bg_set_geometry (p + 1);	660	set_geometry (p + 1);
915	else
916	bg_set_default_geometry ();
917	}	661	}
918		662
919	return ret;	663	return ret;
920	}	664	}
921		665
922	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
923		667
924	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
925	bool
926	rxvt_term::bg_set_transparent ()
927	{
928	if (!(bg_flags & BG_IS_TRANSPARENT))
929	{
930	bg_flags \|= BG_IS_TRANSPARENT;
931	return true;
932	}
933
934	return false;
935	}
936
937	bool	669	bool
938	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
939	{	671	{
940	bool changed = false;	672	bool changed = false;
941	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
960	{	692	{
961	changed = true;	693	changed = true;
962	v_blurRadius = vr;	694	v_blurRadius = vr;
963	}	695	}
964		696
965	if (h_blurRadius == 0 \|\| v_blurRadius == 0)
966	bg_flags &= ~BG_NEEDS_BLUR;
967	else
968	bg_flags \|= BG_NEEDS_BLUR;
969
970	return changed;	697	return changed;
971	}	698	}
972		699
973	void	700	bool
974	rxvt_term::set_tint_shade_flags ()	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
975	{	702	{
		703	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		704	{
		705	tint = new_tint;
		706	bg_flags \|= BG_TINT_SET;
		707
976	rgba c;	708	rgba c;
977	bool has_shade = shade != 100;
978
979	bg_flags &= ~BG_TINT_FLAGS;
980
981	if (bg_flags & BG_TINT_SET)
982	{
983	tint.get (c);	709	tint.get (c);
984	if (!has_shade
985	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	710	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
986	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	711	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
987	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	712	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
988	bg_flags \|= BG_TINT_BITAND;	713	bg_flags \|= BG_TINT_BITAND;
989	}	714	else
990
991	if (has_shade \|\| (bg_flags & BG_TINT_SET))
992	bg_flags \|= BG_NEEDS_TINT;
993	}
994
995	bool
996	rxvt_term::bg_set_tint (rxvt_color &new_tint)
997	{
998	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
999	{
1000	tint = new_tint;
1001	bg_flags \|= BG_TINT_SET;	715	bg_flags &= ~BG_TINT_BITAND;
1002	set_tint_shade_flags ();	716
1003	return true;	717	return true;
1004	}	718	}
1005		719
1006	return false;	720	return false;
1007	}	721	}
…		…
1016	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
1017		731
1018	if (new_shade != shade)	732	if (new_shade != shade)
1019	{	733	{
1020	shade = new_shade;	734	shade = new_shade;
1021	set_tint_shade_flags ();
1022	return true;	735	return true;
1023	}	736	}
1024		737
1025	return false;	738	return false;
1026	}	739	}
…		…
1047	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1048	}	761	}
1049	#endif	762	#endif
1050		763
1051	bool	764	bool
1052	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1053	{	766	{
1054	bool ret = false;	767	bool ret = false;
1055	#if XRENDER	768	#if XRENDER
1056	if (!(bg_flags & BG_HAS_RENDER_CONV))	769	if (!(bg_flags & BG_HAS_RENDER_CONV))
1057	return false;	770	return false;
…		…
1112	#endif	825	#endif
1113	return ret;	826	return ret;
1114	}	827	}
1115		828
1116	bool	829	bool
1117	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1118	{	831	{
1119	bool ret = false;	832	bool ret = false;
1120		833
1121	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1122	{	835	{
1123	XGCValues gcv;	836	XGCValues gcv;
1124	GC gc;	837	GC gc;
1125		838
1126	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1207	/*	920	/*
1208	* 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
1209	* 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
1210	* our window.	923	* our window.
1211	*/	924	*/
1212	unsigned long	925	bool
1213	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1214	{	927	{
1215	unsigned long result = 0;	928	bool ret = false;
1216		929
1217	/* 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
1218	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1219	*/	932	*/
1220	int screen = display->screen;	933	int screen = display->screen;
…		…
1301	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1302		1015
1303	if (gc)	1016	if (gc)
1304	{	1017	{
1305	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1306	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);
1307		1022
1308	if (!(bg_flags & BG_CLIENT_RENDER))	1023	if (!(bg_flags & BG_CLIENT_RENDER))
1309	{	1024	{
1310	if (bg_flags & BG_NEEDS_BLUR)	1025	if (need_blur)
1311	{
1312	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1313	result &= ~BG_NEEDS_BLUR;
1314	}	1026	{
1315	if (bg_flags & BG_NEEDS_TINT)	1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1028	need_blur = false;
1316	{	1029	}
		1030	if (need_tint)
		1031	{
1317	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
1318	result &= ~BG_NEEDS_TINT;	1033	need_tint = false;
1319	}	1034	}
1320	# ifndef HAVE_AFTERIMAGE	1035	if (need_tint)
1321	if (result & BG_NEEDS_TINT)
1322	{	1036	{
1323	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);
1324	if (ximage)	1038	if (ximage)
1325	{	1039	{
1326	/* our own client-side tinting */	1040	/* our own client-side tinting */
1327	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1041	tint_ximage (ximage);
1328		1042
1329	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);
1330	XDestroyImage (ximage);	1044	XDestroyImage (ximage);
1331	}	1045	}
1332	}	1046	}
1333	# endif
1334	} /* server side rendering completed */	1047	} /* server side rendering completed */
1335		1048
1336	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1337	}	1050	}
1338		1051
1339	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1340	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1341		1054
1342	return result;	1055	return ret;
1343	}	1056	}
1344		1057
1345	void	1058	void
1346	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1347	{	1060	{
…		…
1354	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1355		1068
1356	bool	1069	bool
1357	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1358	{	1071	{
1359	unsigned long tr_flags = 0;
1360
1361	bg_invalidate ();	1072	bg_invalidate ();
1362	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1363	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1364	{	1075	{
1365	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1366	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1367	if (tr_flags == 0)
1368	return false;
1369	bg_flags \|= BG_IS_VALID;	1078	bg_flags \|= BG_IS_VALID;
1370	}	1079	}
1371	# endif	1080	# endif
1372		1081
1373	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1374	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1375	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1376	{	1084	{
1377	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1378	bg_flags \|= BG_IS_VALID;	1086	bg_flags \|= BG_IS_VALID;
1379	}	1087	}
1380	# endif	1088	# endif
1381		1089
1382	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
…		…
1420	#endif	1128	#endif
1421	}	1129	}
1422		1130
1423	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1424		1132
1425	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1426	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1427		1135
1428	static inline void	1136	static inline void
1429	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)
1430	{	1138	{
…		…
1436	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1437	}	1145	}
1438	}	1146	}
1439		1147
1440	void	1148	void
1441	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1442	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1443	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1444	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1445	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1154	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1446	unsigned short low;	1155	unsigned short low;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1452	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1455		1164
1456	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1458	{	1167	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) \|\|	1169
1461	(mask_g != 0x03e0) \|\|	1170	size_r = mask_r >> sh_r;
1462	(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)
1463	return;	1175	return;
1464	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));
1465	lookup_r = lookup;	1178	lookup_r = lookup;
1466	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;
1469	sh_g = 5;
1470	sh_b = 0;
1471	break;
1472	case 16:
1473	if ((mask_r != 0xf800) \|\|
1474	(mask_g != 0x07e0) \|\|
1475	(mask_b != 0x001f))
1476	return;
1477	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1478	lookup_r = lookup;
1479	lookup_g = lookup+32;
1480	lookup_b = lookup+32+64;
1481	sh_r = 11;
1482	sh_g = 5;
1483	sh_b = 0;
1484	break;
1485	case 24:
1486	if ((mask_r != 0xff0000) \|\|
1487	(mask_g != 0x00ff00) \|\|
1488	(mask_b != 0x0000ff))
1489	return;
1490	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1491	lookup_r = lookup;
1492	lookup_g = lookup+256;
1493	lookup_b = lookup+256+256;
1494	sh_r = 16;
1495	sh_g = 8;
1496	sh_b = 0;
1497	break;
1498	case 32:
1499	if ((mask_r != 0xff0000) \|\|
1500	(mask_g != 0x00ff00) \|\|
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	default:
1512	return; /* we do not support this color depth */
1513	}
1514		1181
1515	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1516		1183
1517	if (bg_flags & BG_TINT_SET)	1184	if (bg_flags & BG_TINT_SET)
1518	tint.get (c);	1185	tint.get (c);
…		…
1540	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542		1209
1543	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1544	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1545	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1546	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1547	{	1213	{
1548	uint32_t p1, pf, p, pl;	1214	char *line = ximage->data;
1549	p1 = (uint32_t *) ximage->data;
1550	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1551		1215
1552	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1553	{
1554	p = p1;
1555	pl = p1 + ximage->width;
1556	for (; p < pl; p++)
1557	{	1217	{
1558	p = lookup_r[(p & 0xff0000) >> 16] \|	1218	uint32_t p = (uint32_t )line;
1559	lookup_g[(*p & 0x00ff00) >> 8] \|	1219	for (int x = 0; x < ximage->width; x++)
1560	lookup_b[(*p & 0x0000ff)] \|
1561	(*p & 0xff000000);
1562	}	1220	{
1563	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;
1564	}	1227	}
1565	}	1228	}
1566	else	1229	else
1567	{	1230	{
1568	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1576	}	1239	}
1577	}	1240	}
1578		1241
1579	free (lookup);	1242	free (lookup);
1580	}	1243	}
1581	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs. Revision 1.217 by sf-exg, Sun May 20 16:34:42 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.197 by sf-exg, Wed Jan 11 13:22:01 2012 UTC vs.
Revision 1.217 by sf-exg, Sun May 20 16:34:42 2012 UTC