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

Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.199 by sf-exg, Tue Jan 17 19:51:30 2012 UTC vs.
Revision 1.214 by sf-exg, Thu May 17 10:18:32 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;
…		…
132		120
133	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
134	static inline int	122	static inline int
135	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
136	{	124	{
137	int diff = window_size - image_size;
138	int smaller = min (image_size, window_size);
139
140	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
141	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
142	else if (align > 100 && align <= 200)	127	else if (align > 100)
143	return (align - 100) * smaller / 100 + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
144	else if (align >= -100 && align < 0)	129	else
145	return (align + 100) * smaller / 100 - image_size;	130	return lerp (-image_size, 0, align + 100);
146	return 0;
147	}	131	}
148		132
149	static inline int	133	static inline int
150	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)
151	{	135	{
…		…
162	min_it (dst_size, target_size - dst_pos);	146	min_it (dst_size, target_size - dst_pos);
163	return src_pos;	147	return src_pos;
164	}	148	}
165		149
166	bool	150	bool
167	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
168	{	152	{
169	bool changed = false;	153	bool changed = false;
170	int geom_flags = 0;	154	int geom_flags = 0;
171	int x = h_align;	155	int x = h_align;
172	int y = v_align;	156	int y = v_align;
…		…
183		167
184	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
185	{	169	{
186	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
187	{	171	{
188	new_flags = BG_TILE;	172	new_flags = IM_TILE;
189	w = h = noScale;	173	w = h = noScale;
190	x = y = 0;	174	x = y = 0;
191	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	175	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
192	}	176	}
193	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
194	{	178	{
195	new_flags = BG_KEEP_ASPECT;	179	new_flags = IM_KEEP_ASPECT;
196	w = h = windowScale;	180	w = h = windowScale;
197	x = y = centerAlign;	181	x = y = centerAlign;
198	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	182	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
199	}	183	}
200	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
210	x = y = centerAlign;	194	x = y = centerAlign;
211	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;	195	geom_flags = WidthValue\|HeightValue\|XValue\|YValue;
212	}	196	}
213	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
214	{	198	{
215	new_flags = BG_TILE\|BG_ROOT_ALIGN;	199	new_flags = IM_TILE\|IM_ROOT_ALIGN;
216	w = h = noScale;	200	w = h = noScale;
217	geom_flags = WidthValue\|HeightValue;	201	geom_flags = WidthValue\|HeightValue;
218	}	202	}
219	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
220	new_flags \|= BG_TILE;	204	new_flags \|= IM_TILE;
221	else if (!strcasecmp (arr[i], "op=keep-aspect"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
222	new_flags \|= BG_KEEP_ASPECT;	206	new_flags \|= IM_KEEP_ASPECT;
223	else if (!strcasecmp (arr[i], "op=root-align"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
224	new_flags \|= BG_ROOT_ALIGN;	208	new_flags \|= IM_ROOT_ALIGN;
225		209
226	// deprecated	210	// deprecated
227	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
228	{	212	{
229	new_flags \|= BG_TILE;	213	new_flags \|= IM_TILE;
230	w = h = noScale;	214	w = h = noScale;
231	geom_flags \|= WidthValue\|HeightValue;	215	geom_flags \|= WidthValue\|HeightValue;
232	}	216	}
233	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
234	{	218	{
235	new_flags \|= BG_KEEP_ASPECT;	219	new_flags \|= IM_KEEP_ASPECT;
236	w = h = windowScale;	220	w = h = windowScale;
237	geom_flags \|= WidthValue\|HeightValue;	221	geom_flags \|= WidthValue\|HeightValue;
238	}	222	}
239	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
240	{	224	{
241	new_flags \|= BG_TILE;	225	new_flags \|= IM_TILE;
242	w = windowScale;	226	w = windowScale;
243	h = noScale;	227	h = noScale;
244	geom_flags \|= WidthValue\|HeightValue;	228	geom_flags \|= WidthValue\|HeightValue;
245	}	229	}
246	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
247	{	231	{
248	new_flags \|= BG_TILE;	232	new_flags \|= IM_TILE;
249	h = windowScale;	233	h = windowScale;
250	w = noScale;	234	w = noScale;
251	geom_flags \|= WidthValue\|HeightValue;	235	geom_flags \|= WidthValue\|HeightValue;
252	}	236	}
253	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
261	x = y = centerAlign;	245	x = y = centerAlign;
262	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;	246	geom_flags \|= WidthValue\|HeightValue\|XValue\|YValue;
263	}	247	}
264	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
265	{	249	{
266	new_flags \|= BG_TILE\|BG_ROOT_ALIGN;	250	new_flags \|= IM_TILE\|IM_ROOT_ALIGN;
267	w = h = noScale;	251	w = h = noScale;
268	geom_flags \|= WidthValue\|HeightValue;	252	geom_flags \|= WidthValue\|HeightValue;
269	}	253	}
270		254
271	else	255	else
…		…
273	} /* done parsing ops */	257	} /* done parsing ops */
274		258
275	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
276	}	260	}
277		261
278	new_flags \|= bg_flags & ~BG_GEOMETRY_FLAGS;	262	new_flags \|= flags & ~IM_GEOMETRY_FLAGS;
279		263
280	if (!update)	264	if (!update)
281	{	265	{
282	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
283	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
295	min_it (w, 1000);	279	min_it (w, 1000);
296	min_it (h, 1000);	280	min_it (h, 1000);
297	clamp_it (x, -100, 200);	281	clamp_it (x, -100, 200);
298	clamp_it (y, -100, 200);	282	clamp_it (y, -100, 200);
299		283
300	if (bg_flags != new_flags	284	if (flags != new_flags
301	\|\| h_scale != w	285	\|\| h_scale != w
302	\|\| v_scale != h	286	\|\| v_scale != h
303	\|\| h_align != x	287	\|\| h_align != x
304	\|\| v_align != y)	288	\|\| v_align != y)
305	{	289	{
306	bg_flags = new_flags;	290	flags = new_flags;
307	h_scale = w;	291	h_scale = w;
308	v_scale = h;	292	v_scale = h;
309	h_align = x;	293	h_align = x;
310	v_align = y;	294	v_align = y;
311	changed = true;	295	changed = true;
312	}	296	}
313		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
314	return changed;	305	return changed;
315	}	306	}
316		307
317	void	308	void
318	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)
319	{	310	{
		311	int image_width = image.width ();
		312	int image_height = image.height ();
320	int target_width = szHint.width;	313	int target_width = szHint.width;
321	int target_height = szHint.height;	314	int target_height = szHint.height;
322		315
323	w = h_scale * target_width / 100;	316	w = image.h_scale * target_width / 100;
324	h = v_scale * target_height / 100;	317	h = image.v_scale * target_height / 100;
325		318
326	if (bg_flags & BG_KEEP_ASPECT)	319	if (image.flags & IM_KEEP_ASPECT)
327	{	320	{
328	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
329	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
330	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
331	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
332	}	325	}
333		326
334	if (!w) w = image_width;	327	if (!w) w = image_width;
335	if (!h) h = image_height;	328	if (!h) h = image_height;
336		329
337	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
338	{	331	{
339	x = -target_x;	332	x = -target_x;
340	y = -target_y;	333	y = -target_y;
341	}	334	}
342	else	335	else
343	{	336	{
344	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
345	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
346	}
347
348	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
349	if (!(bg_flags & BG_TILE)
350	\|\| h_scale \|\| v_scale
351	\|\| (!(bg_flags & BG_ROOT_ALIGN) && (h_align \|\| v_align))
352	\|\| w > target_width \|\| h > target_height)
353	bg_flags \|= BG_IS_SIZE_SENSITIVE;
354	}
355
356	# ifdef HAVE_AFTERIMAGE
357	bool
358	rxvt_term::render_image (unsigned long tr_flags)
359	{
360	init_asv ();
361
362	ASImage *background = NULL;
363	ARGB32 background_tint = TINT_LEAVE_SAME;
364
365	# ifdef ENABLE_TRANSPARENCY
366	if (tr_flags)
367	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
368
369	if (tr_flags & BG_NEEDS_TINT)
370	{	339	}
371	ShadingInfo as_shade;	340	}
372	as_shade.shading = shade;
373		341
374	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
375	if (bg_flags & BG_TINT_SET)	343	bool
376	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
377	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
378	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height)
379	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;
380		356
381	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)))
382	}	391	{
383		392	XDestroyImage (ximage);
384	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	393	return false;
385	{	394	}
386	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	395
387	ASA_XImage,	396	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
388	100, ASIMAGE_QUALITY_DEFAULT);	397
389	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)
390	{	422	{
391	destroy_asimage (&background);	423	a = pixel[3];
392	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);
393	}	445	}
394	}
395	# endif
396		446
397	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, bool transparent)
		458	{
		459	GdkPixbuf *pixbuf = image.pixbuf;
		460	if (!pixbuf)
		461	return false;
		462
		463	if (transparent
		464	&& !(bg_flags & BG_HAS_RENDER))
		465	return false;
		466
		467	GdkPixbuf *result;
		468
		469	int image_width = gdk_pixbuf_get_width (pixbuf);
		470	int image_height = gdk_pixbuf_get_height (pixbuf);
398		471
399	int target_width = szHint.width;	472	int target_width = szHint.width;
400	int target_height = szHint.height;	473	int target_height = szHint.height;
401	int new_pmap_width = target_width;	474	int new_pmap_width = target_width;
402	int new_pmap_height = target_height;	475	int new_pmap_height = target_height;
…		…
404	int x = 0;	477	int x = 0;
405	int y = 0;	478	int y = 0;
406	int w = 0;	479	int w = 0;
407	int h = 0;	480	int h = 0;
408		481
409	if (original_asim)	482	get_image_geometry (image, w, h, x, y);
410	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
411		483
412	if (!original_asim
413	\|\| (!(bg_flags & BG_ROOT_ALIGN)
414	&& (x >= target_width
415	\|\| y >= target_height
416	\|\| x + w <= 0
417	\|\| y + h <= 0)))
418	{
419	if (background)
420	{
421	new_pmap_width = background->width;
422	new_pmap_height = background->height;
423	result = background;
424
425	if (background_tint != TINT_LEAVE_SAME)
426	{
427	ASImage *tmp = tile_asimage (asv, background, 0, 0,
428	target_width, target_height, background_tint,
429	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
430	if (tmp)
431	result = tmp;
432	}
433	}
434	else
435	new_pmap_width = new_pmap_height = 0;
436	}
437	else
438	{
439	result = original_asim;
440
441	if (w != original_asim->width
442	\|\| h != original_asim->height)
443	{
444	result = scale_asimage (asv, original_asim,
445	w, h,
446	ASA_XImage,
447	100, ASIMAGE_QUALITY_DEFAULT);
448	}
449
450	if (background == NULL)
451	{
452	if (bg_flags & BG_TILE)
453	{
454	/* if tiling - pixmap has to be sized exactly as the image,
455	but there is no need to make it bigger than the window! */
456	new_pmap_width = min (result->width, target_width);
457	new_pmap_height = min (result->height, target_height);
458
459	/* we also need to tile our image in both directions */
460	ASImage *tmp = tile_asimage (asv, result,
461	(int)result->width - x,
462	(int)result->height - y,
463	new_pmap_width,
464	new_pmap_height,
465	TINT_LEAVE_SAME, ASA_XImage,
466	100, ASIMAGE_QUALITY_DEFAULT);
467	if (tmp)
468	{
469	if (result != original_asim)
470	destroy_asimage (&result);
471
472	result = tmp;
473	}
474	}
475	}
476	else
477	{
478	/* if blending background and image - pixmap has to be sized same as target window */
479	ASImageLayer *layers = create_image_layers (2);
480
481	layers[0].im = background;
482	layers[0].clip_width = target_width;
483	layers[0].clip_height = target_height;
484	layers[0].tint = background_tint;
485	layers[1].im = result;
486
487	if (bg_flags & BG_TILE)
488	{
489	/* tile horizontally */
490	while (x > 0) x -= (int)result->width;
491	layers[1].dst_x = x;
492	layers[1].clip_width = result->width+target_width;
493	}
494	else
495	{
496	/* clip horizontally */
497	layers[1].dst_x = x;
498	layers[1].clip_width = result->width;
499	}
500
501	if (bg_flags & BG_TILE)
502	{
503	while (y > 0) y -= (int)result->height;
504	layers[1].dst_y = y;
505	layers[1].clip_height = result->height + target_height;
506	}
507	else
508	{
509	layers[1].dst_y = y;
510	layers[1].clip_height = result->height;
511	}
512
513	if (rs[Rs_blendtype])
514	{
515	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
516	if (layers[1].merge_scanlines == NULL)
517	layers[1].merge_scanlines = alphablend_scanlines;
518	}
519
520	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
521	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
522
523	if (tmp)
524	{
525	if (result != original_asim)
526	destroy_asimage (&result);
527
528	result = tmp;
529	}
530
531	free (layers);
532	}
533	}
534
535	bool ret = false;
536
537	if (result)
538	{
539	XGCValues gcv;
540	GC gc;
541
542	/* create Pixmap */
543	if (bg_pixmap == None
544	\|\| bg_pmap_width != new_pmap_width
545	\|\| bg_pmap_height != new_pmap_height)
546	{
547	if (bg_pixmap)
548	XFreePixmap (dpy, bg_pixmap);
549	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
550	bg_pmap_width = new_pmap_width;
551	bg_pmap_height = new_pmap_height;
552	}
553	/* fill with background color (if result's not completely overlapping it) */
554	gcv.foreground = pix_colors[Color_bg];
555	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
556
557	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
558	int dst_width = result->width, dst_height = result->height;
559	if (background == NULL)
560	{
561	if (!(bg_flags & BG_TILE))
562	{
563	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
564	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
565	}
566
567	if (dst_x > 0 \|\| dst_y > 0
568	\|\| dst_x + dst_width < new_pmap_width
569	\|\| dst_y + dst_height < new_pmap_height)
570	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
571	}
572
573	/* put result on pixmap */
574	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
575	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
576
577	if (result != background && result != original_asim)
578	destroy_asimage (&result);
579
580	XFreeGC (dpy, gc);
581
582	ret = true;
583	}
584
585	if (background)
586	destroy_asimage (&background);
587
588	return ret;
589	}
590	# endif /* HAVE_AFTERIMAGE */
591
592	# ifdef HAVE_PIXBUF
593	bool
594	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
595	int src_x, int src_y, int dst_x, int dst_y,
596	unsigned int width, unsigned int height)
597	{
598	XImage *ximage;
599	char data, line;
600	int bytes_per_pixel;
601	int width_r, width_g, width_b;
602	int sh_r, sh_g, sh_b;
603	int rowstride;
604	int channels;
605	unsigned char *row;
606
607	if (visual->c_class != TrueColor)
608	return false;
609
610	if (depth == 24 \|\| depth == 32)
611	bytes_per_pixel = 4;
612	else if (depth == 15 \|\| depth == 16)
613	bytes_per_pixel = 2;
614	else
615	return false;
616
617	width_r = ecb_popcount32 (visual->red_mask);
618	width_g = ecb_popcount32 (visual->green_mask);
619	width_b = ecb_popcount32 (visual->blue_mask);
620
621	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8)
622	return false;
623
624	sh_r = ecb_ctz32 (visual->red_mask);
625	sh_g = ecb_ctz32 (visual->green_mask);
626	sh_b = ecb_ctz32 (visual->blue_mask);
627
628	if (width > INT_MAX / height / bytes_per_pixel)
629	return false;
630
631	data = (char )malloc (width height * bytes_per_pixel);
632	if (!data)
633	return false;
634
635	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
636	width, height, bytes_per_pixel * 8, 0);
637	if (!ximage)
638	{
639	free (data);
640	return false;
641	}
642
643	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
644
645	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
646	channels = gdk_pixbuf_get_n_channels (pixbuf);
647	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
648	line = data;
649
650	for (int y = 0; y < height; y++)
651	{
652	for (int x = 0; x < width; x++)
653	{
654	unsigned char pixel = row + x channels;
655	uint32_t value;
656
657	value = ((pixel[0] >> (8 - width_r)) << sh_r)
658	\| ((pixel[1] >> (8 - width_g)) << sh_g)
659	\| ((pixel[2] >> (8 - width_b)) << sh_b);
660
661	if (bytes_per_pixel == 4)
662	((uint32_t *)line)[x] = value;
663	else
664	((uint16_t *)line)[x] = value;
665	}
666
667	row += rowstride;
668	line += ximage->bytes_per_line;
669	}
670
671	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
672	XDestroyImage (ximage);
673	return true;
674	}
675
676	bool
677	rxvt_term::render_image (unsigned long tr_flags)
678	{
679	if (!pixbuf)
680	return false;
681
682	if (tr_flags
683	&& !(bg_flags & BG_HAS_RENDER))
684	return false;
685
686	GdkPixbuf *result;
687
688	int image_width = gdk_pixbuf_get_width (pixbuf);
689	int image_height = gdk_pixbuf_get_height (pixbuf);
690
691	int target_width = szHint.width;
692	int target_height = szHint.height;
693	int new_pmap_width = target_width;
694	int new_pmap_height = target_height;
695
696	int x = 0;
697	int y = 0;
698	int w = 0;
699	int h = 0;
700
701	get_image_geometry (image_width, image_height, w, h, x, y);
702
703	if (!(bg_flags & BG_ROOT_ALIGN)	484	if (!(image.flags & IM_ROOT_ALIGN)
704	&& (x >= target_width	485	&& (x >= target_width
705	\|\| y >= target_height	486	\|\| y >= target_height
706	\|\| x + w <= 0	487	\|\| x + w <= 0
707	\|\| y + h <= 0))	488	\|\| y + h <= 0))
708	return false;	489	return false;
…		…
727	Pixmap root_pmap;	508	Pixmap root_pmap;
728		509
729	image_width = gdk_pixbuf_get_width (result);	510	image_width = gdk_pixbuf_get_width (result);
730	image_height = gdk_pixbuf_get_height (result);	511	image_height = gdk_pixbuf_get_height (result);
731		512
732	if (tr_flags)	513	if (transparent)
733	{	514	{
734	root_pmap = bg_pixmap;	515	root_pmap = bg_pixmap;
735	bg_pixmap = None;	516	bg_pixmap = None;
736	}	517	}
737	else	518	else
738	{	519	{
739	if (bg_flags & BG_TILE)	520	if (image.flags & IM_TILE)
740	{	521	{
741	new_pmap_width = min (image_width, target_width);	522	new_pmap_width = min (image_width, target_width);
742	new_pmap_height = min (image_height, target_height);	523	new_pmap_height = min (image_height, target_height);
743	}	524	}
744	}	525	}
…		…
757	gcv.foreground = pix_colors[Color_bg];	538	gcv.foreground = pix_colors[Color_bg];
758	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	539	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
759		540
760	if (gc)	541	if (gc)
761	{	542	{
762	if (bg_flags & BG_TILE)	543	if (image.flags & IM_TILE)
763	{	544	{
764	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	545	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
765	pixbuf_to_pixmap (result, tile, gc,	546	pixbuf_to_pixmap (result, tile, gc,
766	0, 0,	547	0, 0,
767	0, 0,	548	0, 0,
…		…
795	dst_x, dst_y,	576	dst_x, dst_y,
796	dst_width, dst_height);	577	dst_width, dst_height);
797	}	578	}
798		579
799	#if XRENDER	580	#if XRENDER
800	if (tr_flags)	581	if (transparent)
801	{	582	{
802	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	583	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
803		584
804	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	585	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
805		586
…		…
829	}	610	}
830		611
831	if (result != pixbuf)	612	if (result != pixbuf)
832	g_object_unref (result);	613	g_object_unref (result);
833		614
834	if (tr_flags)	615	if (transparent)
835	XFreePixmap (dpy, root_pmap);	616	XFreePixmap (dpy, root_pmap);
836		617
837	return ret;	618	return ret;
838	}	619	}
839	# endif /* HAVE_PIXBUF */	620	# endif /* HAVE_PIXBUF */
840		621
841	bool	622	bool
842	rxvt_term::bg_set_file (const char *file)	623	rxvt_image::set_file (const char *file)
843	{	624	{
844	if (!file \|\| !*file)	625	if (!file \|\| !*file)
845	return false;	626	return false;
846		627
847	bool ret = false;	628	bool ret = false;
…		…
854	memcpy (f, file, len);	635	memcpy (f, file, len);
855	f[len] = '\0';	636	f[len] = '\0';
856	file = f;	637	file = f;
857	}	638	}
858		639
859	# ifdef HAVE_AFTERIMAGE
860	if (!asimman)
861	asimman = create_generic_imageman (rs[Rs_path]);
862	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
863	if (image)
864	{
865	if (original_asim)
866	safe_asimage_destroy (original_asim);
867	original_asim = image;
868	bg_flags \|= BG_IS_FROM_FILE \| BG_CLIENT_RENDER;
869	ret = true;
870	}
871	# endif
872
873	# ifdef HAVE_PIXBUF	640	# ifdef HAVE_PIXBUF
874	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	641	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
875	if (image)	642	if (image)
876	{	643	{
877	if (pixbuf)	644	if (pixbuf)
878	g_object_unref (pixbuf);	645	g_object_unref (pixbuf);
879	pixbuf = image;	646	pixbuf = image;
880	bg_flags \|= BG_IS_FROM_FILE;	647	flags \|= IM_IS_SET;
881	ret = true;	648	ret = true;
882	}	649	}
883	# endif	650	# endif
884		651
885	if (ret)	652	if (ret)
886	{	653	{
887	if (p)	654	if (p)
888	bg_set_geometry (p + 1);	655	set_geometry (p + 1);
889	else	656	else
890	bg_set_default_geometry ();	657	set_default_geometry ();
891	}	658	}
892		659
893	return ret;	660	return ret;
894	}	661	}
895		662
896	# endif /* BG_IMAGE_FROM_FILE */	663	# endif /* BG_IMAGE_FROM_FILE */
897		664
898	# ifdef ENABLE_TRANSPARENCY	665	# ifdef ENABLE_TRANSPARENCY
899	bool
900	rxvt_term::bg_set_transparent ()
901	{
902	if (!(bg_flags & BG_IS_TRANSPARENT))
903	{
904	bg_flags \|= BG_IS_TRANSPARENT;
905	return true;
906	}
907
908	return false;
909	}
910
911	bool	666	bool
912	rxvt_term::bg_set_blur (const char *geom)	667	rxvt_term::bg_set_blur (const char *geom)
913	{	668	{
914	bool changed = false;	669	bool changed = false;
915	unsigned int hr, vr;	670	unsigned int hr, vr;
…		…
934	{	689	{
935	changed = true;	690	changed = true;
936	v_blurRadius = vr;	691	v_blurRadius = vr;
937	}	692	}
938		693
939	if (h_blurRadius == 0 \|\| v_blurRadius == 0)
940	bg_flags &= ~BG_NEEDS_BLUR;
941	else
942	bg_flags \|= BG_NEEDS_BLUR;
943
944	return changed;	694	return changed;
945	}	695	}
946		696
947	void	697	bool
948	rxvt_term::set_tint_shade_flags ()	698	rxvt_term::bg_set_tint (rxvt_color &new_tint)
949	{	699	{
		700	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
		701	{
		702	tint = new_tint;
		703	bg_flags \|= BG_TINT_SET;
		704
950	rgba c;	705	rgba c;
951	bool has_shade = shade != 100;
952
953	bg_flags &= ~BG_TINT_FLAGS;
954
955	if (bg_flags & BG_TINT_SET)
956	{
957	tint.get (c);	706	tint.get (c);
958	if (!has_shade
959	&& (c.r <= 0x00ff \|\| c.r >= 0xff00)	707	if ((c.r <= 0x00ff \|\| c.r >= 0xff00)
960	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)	708	&& (c.g <= 0x00ff \|\| c.g >= 0xff00)
961	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))	709	&& (c.b <= 0x00ff \|\| c.b >= 0xff00))
962	bg_flags \|= BG_TINT_BITAND;	710	bg_flags \|= BG_TINT_BITAND;
963	}	711	else
964
965	if (has_shade \|\| (bg_flags & BG_TINT_SET))
966	bg_flags \|= BG_NEEDS_TINT;
967	}
968
969	bool
970	rxvt_term::bg_set_tint (rxvt_color &new_tint)
971	{
972	if (!(bg_flags & BG_TINT_SET) \|\| tint != new_tint)
973	{
974	tint = new_tint;
975	bg_flags \|= BG_TINT_SET;	712	bg_flags &= ~BG_TINT_BITAND;
976	set_tint_shade_flags ();	713
977	return true;	714	return true;
978	}	715	}
979		716
980	return false;	717	return false;
981	}	718	}
…		…
990	new_shade = 200 - (100 + new_shade);	727	new_shade = 200 - (100 + new_shade);
991		728
992	if (new_shade != shade)	729	if (new_shade != shade)
993	{	730	{
994	shade = new_shade;	731	shade = new_shade;
995	set_tint_shade_flags ();
996	return true;	732	return true;
997	}	733	}
998		734
999	return false;	735	return false;
1000	}	736	}
…		…
1021	params[i+2] = XDoubleToFixed (kernel[i] / sum);	757	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1022	}	758	}
1023	#endif	759	#endif
1024		760
1025	bool	761	bool
1026	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)	762	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1027	{	763	{
1028	bool ret = false;	764	bool ret = false;
1029	#if XRENDER	765	#if XRENDER
1030	if (!(bg_flags & BG_HAS_RENDER_CONV))	766	if (!(bg_flags & BG_HAS_RENDER_CONV))
1031	return false;	767	return false;
…		…
1086	#endif	822	#endif
1087	return ret;	823	return ret;
1088	}	824	}
1089		825
1090	bool	826	bool
1091	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	827	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1092	{	828	{
1093	bool ret = false;	829	bool ret = false;
1094		830
1095	if (bg_flags & BG_TINT_BITAND)	831	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1096	{	832	{
1097	XGCValues gcv;	833	XGCValues gcv;
1098	GC gc;	834	GC gc;
1099		835
1100	/* In this case we can tint image server-side getting significant	836	/* In this case we can tint image server-side getting significant
…		…
1181	/*	917	/*
1182	* Builds a pixmap of the same size as the terminal window that contains	918	* Builds a pixmap of the same size as the terminal window that contains
1183	* the tiled portion of the root pixmap that is supposed to be covered by	919	* the tiled portion of the root pixmap that is supposed to be covered by
1184	* our window.	920	* our window.
1185	*/	921	*/
1186	unsigned long	922	bool
1187	rxvt_term::make_transparency_pixmap ()	923	rxvt_term::make_transparency_pixmap ()
1188	{	924	{
1189	unsigned long result = 0;	925	bool ret = false;
1190		926
1191	/* root dimensions may change from call to call - but Display structure should	927	/* root dimensions may change from call to call - but Display structure should
1192	* be always up-to-date, so let's use it :	928	* be always up-to-date, so let's use it :
1193	*/	929	*/
1194	int screen = display->screen;	930	int screen = display->screen;
…		…
1275	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);	1011	gc = XCreateGC (dpy, vt, GCFillStyle \| GCTile \| GCTileStipXOrigin \| GCTileStipYOrigin, &gcv);
1276		1012
1277	if (gc)	1013	if (gc)
1278	{	1014	{
1279	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1015	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1280	result \|= BG_IS_VALID \| (bg_flags & BG_EFFECTS_FLAGS);	1016	ret = true;
		1017	bool need_blur = h_blurRadius && v_blurRadius;
		1018	bool need_tint = shade != 100 \|\| (bg_flags & BG_TINT_SET);
1281		1019
1282	if (!(bg_flags & BG_CLIENT_RENDER))	1020	if (!(bg_flags & BG_CLIENT_RENDER))
1283	{	1021	{
1284	if (bg_flags & BG_NEEDS_BLUR)	1022	if (need_blur)
1285	{
1286	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
1287	result &= ~BG_NEEDS_BLUR;
1288	}	1023	{
1289	if (bg_flags & BG_NEEDS_TINT)	1024	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1025	need_blur = false;
1290	{	1026	}
		1027	if (need_tint)
		1028	{
1291	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1029	if (tint_pixmap (bg_pixmap, window_width, window_height))
1292	result &= ~BG_NEEDS_TINT;	1030	need_tint = false;
1293	}	1031	}
1294	# ifndef HAVE_AFTERIMAGE	1032	if (need_tint)
1295	if (result & BG_NEEDS_TINT)
1296	{	1033	{
1297	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1034	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1298	if (ximage)	1035	if (ximage)
1299	{	1036	{
1300	/* our own client-side tinting */	1037	/* our own client-side tinting */
1301	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1038	tint_ximage (ximage);
1302		1039
1303	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1040	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1304	XDestroyImage (ximage);	1041	XDestroyImage (ximage);
1305	}	1042	}
1306	}	1043	}
1307	# endif
1308	} /* server side rendering completed */	1044	} /* server side rendering completed */
1309		1045
1310	XFreeGC (dpy, gc);	1046	XFreeGC (dpy, gc);
1311	}	1047	}
1312		1048
1313	if (recoded_root_pmap != root_pixmap)	1049	if (recoded_root_pmap != root_pixmap)
1314	XFreePixmap (dpy, recoded_root_pmap);	1050	XFreePixmap (dpy, recoded_root_pmap);
1315		1051
1316	return result;	1052	return ret;
1317	}	1053	}
1318		1054
1319	void	1055	void
1320	rxvt_term::bg_set_root_pixmap ()	1056	rxvt_term::bg_set_root_pixmap ()
1321	{	1057	{
…		…
1328	# endif /* ENABLE_TRANSPARENCY */	1064	# endif /* ENABLE_TRANSPARENCY */
1329		1065
1330	bool	1066	bool
1331	rxvt_term::bg_render ()	1067	rxvt_term::bg_render ()
1332	{	1068	{
1333	unsigned long tr_flags = 0;	1069	bool transparent = false;
1334		1070
1335	bg_invalidate ();	1071	bg_invalidate ();
1336	# ifdef ENABLE_TRANSPARENCY	1072	# ifdef ENABLE_TRANSPARENCY
1337	if (bg_flags & BG_IS_TRANSPARENT)	1073	if (bg_flags & BG_IS_TRANSPARENT)
1338	{	1074	{
1339	/* we need to re-generate transparency pixmap in that case ! */	1075	/* we need to re-generate transparency pixmap in that case ! */
1340	tr_flags = make_transparency_pixmap ();	1076	transparent = make_transparency_pixmap ();
1341	if (tr_flags)	1077	if (transparent)
1342	bg_flags \|= BG_IS_VALID;	1078	bg_flags \|= BG_IS_VALID;
1343	}	1079	}
1344	# endif	1080	# endif
1345		1081
1346	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1347	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1348	\|\| (tr_flags & BG_EFFECTS_FLAGS))
1349	{	1084	{
1350	if (render_image (tr_flags))	1085	if (render_image (bg_image, transparent))
1351	bg_flags \|= BG_IS_VALID;	1086	bg_flags \|= BG_IS_VALID;
1352	}	1087	}
1353	# endif	1088	# endif
1354		1089
1355	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
…		…
1393	#endif	1128	#endif
1394	}	1129	}
1395		1130
1396	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1397		1132
1398	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1399	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1400		1135
1401	static inline void	1136	static inline void
1402	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)
1403	{	1138	{
…		…
1409	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1410	}	1145	}
1411	}	1146	}
1412		1147
1413	void	1148	void
1414	rxvt_term::tint_ximage (Visual visual, XImage ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1415	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1416	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1417	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1418	uint32_t lookup, lookup_r, lookup_g, lookup_b;	1154	uint32_t lookup, lookup_r, lookup_g, lookup_b;
1419	unsigned short low;	1155	unsigned short low;
1420	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1425	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1426	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1427	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1428		1164
1429	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1430	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1431	{	1167	sh_g = ecb_ctz32 (mask_g);
1432	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1433	if ((mask_r != 0x7c00) \|\|	1169
1434	(mask_g != 0x03e0) \|\|	1170	size_r = mask_r >> sh_r;
1435	(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)
1436	return;	1175	return;
1437	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));
1438	lookup_r = lookup;	1178	lookup_r = lookup;
1439	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1440	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1441	sh_r = 10;
1442	sh_g = 5;
1443	sh_b = 0;
1444	break;
1445	case 16:
1446	if ((mask_r != 0xf800) \|\|
1447	(mask_g != 0x07e0) \|\|
1448	(mask_b != 0x001f))
1449	return;
1450	lookup = (uint32_t ) malloc (sizeof (uint32_t)(32+64+32));
1451	lookup_r = lookup;
1452	lookup_g = lookup+32;
1453	lookup_b = lookup+32+64;
1454	sh_r = 11;
1455	sh_g = 5;
1456	sh_b = 0;
1457	break;
1458	case 24:
1459	if ((mask_r != 0xff0000) \|\|
1460	(mask_g != 0x00ff00) \|\|
1461	(mask_b != 0x0000ff))
1462	return;
1463	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1464	lookup_r = lookup;
1465	lookup_g = lookup+256;
1466	lookup_b = lookup+256+256;
1467	sh_r = 16;
1468	sh_g = 8;
1469	sh_b = 0;
1470	break;
1471	case 32:
1472	if ((mask_r != 0xff0000) \|\|
1473	(mask_g != 0x00ff00) \|\|
1474	(mask_b != 0x0000ff))
1475	return;
1476	lookup = (uint32_t ) malloc (sizeof (uint32_t)(256+256+256));
1477	lookup_r = lookup;
1478	lookup_g = lookup+256;
1479	lookup_b = lookup+256+256;
1480	sh_r = 16;
1481	sh_g = 8;
1482	sh_b = 0;
1483	break;
1484	default:
1485	return; /* we do not support this color depth */
1486	}
1487		1181
1488	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1489		1183
1490	if (bg_flags & BG_TINT_SET)	1184	if (bg_flags & BG_TINT_SET)
1491	tint.get (c);	1185	tint.get (c);
…		…
1513	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1514	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1515		1209
1516	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1517	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1518	&& (ximage->depth == 24 \|\| ximage->depth == 32)
1519	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1520	{	1213	{
1521	uint32_t p1, pf, p, pl;	1214	char *line = ximage->data;
1522	p1 = (uint32_t *) ximage->data;
1523	pf = (uint32_t ) (ximage->data + ximage->height ximage->bytes_per_line);
1524		1215
1525	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1526	{
1527	p = p1;
1528	pl = p1 + ximage->width;
1529	for (; p < pl; p++)
1530	{	1217	{
1531	p = lookup_r[(p & 0xff0000) >> 16] \|	1218	uint32_t p = (uint32_t )line;
1532	lookup_g[(*p & 0x00ff00) >> 8] \|	1219	for (int x = 0; x < ximage->width; x++)
1533	lookup_b[(*p & 0x0000ff)] \|
1534	(*p & 0xff000000);
1535	}	1220	{
1536	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;
1537	}	1227	}
1538	}	1228	}
1539	else	1229	else
1540	{	1230	{
1541	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1549	}	1239	}
1550	}	1240	}
1551		1241
1552	free (lookup);	1242	free (lookup);
1553	}	1243	}
1554	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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Comparing rxvt-unicode/src/background.C (file contents): Revision 1.199 by sf-exg, Tue Jan 17 19:51:30 2012 UTC vs. Revision 1.214 by sf-exg, Thu May 17 10:18:32 2012 UTC

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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.199 by sf-exg, Tue Jan 17 19:51:30 2012 UTC vs.
Revision 1.214 by sf-exg, Thu May 17 10:18:32 2012 UTC