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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.189 by sf-exg, Thu Dec 29 16:45:22 2011 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>
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	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	{
333	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
334	changed = true;	293	changed = true;
335	}	294	}
336		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
337	return changed;	303	return changed;
338	}	304	}
339		305
340	void	306	void
341	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)
342	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
343	int target_width = szHint.width;	311	int target_width = szHint.width;
344	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);
345		315
346	w = h_scale * target_width / 100;	316	w = h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	317	h = 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	XRenderPictureAttributes pa;
825
826	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	585	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		586
827	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	587	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, format, 0, 0);
828		588
829	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
830	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	589	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
831		590
832	Picture mask = create_xrender_mask (dpy, vt, False, False);	591	Picture mask = create_xrender_mask (dpy, vt, False, False);
833		592
834	XRenderColor mask_c;	593	XRenderColor mask_c;
835		594
836	mask_c.alpha = 0x8000;	595	mask_c.alpha = 0x8000;
837	mask_c.red = 0;	596	mask_c.red =
838	mask_c.green = 0;	597	mask_c.green =
839	mask_c.blue = 0;	598	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	599	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		600
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	601	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		602
843	XRenderFreePicture (dpy, src);	603	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	604	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	605	XRenderFreePicture (dpy, mask);
…		…
852	}	612	}
853		613
854	if (result != pixbuf)	614	if (result != pixbuf)
855	g_object_unref (result);	615	g_object_unref (result);
856		616
857	if (tr_flags)	617	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	618	XFreePixmap (dpy, tmp_pixmap);
859		619
860	return ret;	620	return ret;
861	}	621	}
862	# endif /* HAVE_PIXBUF */	622	# endif /* HAVE_PIXBUF */
863		623
864	bool	624	bool
865	rxvt_term::bg_set_file (const char *file)	625	rxvt_image::set_file (const char *file)
866	{	626	{
867	if (!file || !*file)	627	if (!file || !*file)
868	return false;	628	return false;
869		629
870	bool ret = false;	630	bool ret = false;
…		…
877	memcpy (f, file, len);	637	memcpy (f, file, len);
878	f[len] = '\0';	638	f[len] = '\0';
879	file = f;	639	file = f;
880	}	640	}
881		641
882	# ifdef HAVE_AFTERIMAGE
883	if (!asimman)
884	asimman = create_generic_imageman (rs[Rs_path]);
885	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
886	if (image)
887	{
888	if (original_asim)
889	safe_asimage_destroy (original_asim);
890	original_asim = image;
891	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
892	ret = true;
893	}
894	# endif
895
896	# ifdef HAVE_PIXBUF	642	# ifdef HAVE_PIXBUF
897	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	643	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
898	if (image)	644	if (image)
899	{	645	{
900	if (pixbuf)	646	if (pixbuf)
901	g_object_unref (pixbuf);	647	g_object_unref (pixbuf);
902	pixbuf = image;	648	pixbuf = image;
903	bg_flags |= BG_IS_FROM_FILE;
904	ret = true;	649	ret = true;
905	}	650	}
906	# endif	651	# endif
907		652
908	if (ret)	653	if (ret)
909	{	654	{
		655	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		656	h_scale = v_scale = defaultScale;
		657	h_align = v_align = defaultAlign;
		658
910	if (p)	659	if (p)
911	bg_set_geometry (p + 1);	660	set_geometry (p + 1);
912	else
913	bg_set_default_geometry ();
914	}	661	}
915		662
916	return ret;	663	return ret;
917	}	664	}
918		665
919	# endif /* BG_IMAGE_FROM_FILE */	666	# endif /* BG_IMAGE_FROM_FILE */
920		667
921	# ifdef ENABLE_TRANSPARENCY	668	# ifdef ENABLE_TRANSPARENCY
922	bool
923	rxvt_term::bg_set_transparent ()
924	{
925	if (!(bg_flags & BG_IS_TRANSPARENT))
926	{
927	bg_flags |= BG_IS_TRANSPARENT;
928	return true;
929	}
930
931	return false;
932	}
933
934	bool	669	bool
935	rxvt_term::bg_set_blur (const char *geom)	670	rxvt_term::bg_set_blur (const char *geom)
936	{	671	{
937	bool changed = false;	672	bool changed = false;
938	unsigned int hr, vr;	673	unsigned int hr, vr;
…		…
957	{	692	{
958	changed = true;	693	changed = true;
959	v_blurRadius = vr;	694	v_blurRadius = vr;
960	}	695	}
961		696
962	if (v_blurRadius == 0 && h_blurRadius == 0)
963	bg_flags &= ~BG_NEEDS_BLUR;
964	else
965	bg_flags |= BG_NEEDS_BLUR;
966
967	return changed;	697	return changed;
968	}	698	}
969		699
970	void
971	rxvt_term::set_tint_shade_flags ()
972	{
973	rgba c;
974	bool has_shade = shade != 100;
975
976	bg_flags &= ~BG_TINT_FLAGS;
977
978	tint.get (c);
979
980	if (!has_shade
981	&& (c.r <= 0x00ff || c.r >= 0xff00)
982	&& (c.g <= 0x00ff || c.g >= 0xff00)
983	&& (c.b <= 0x00ff || c.b >= 0xff00))
984	bg_flags |= BG_TINT_BITAND;
985
986	if (has_shade
987	|| c.r < 0xff00
988	|| c.g < 0xff00
989	|| c.b < 0xff00)
990	bg_flags |= BG_NEEDS_TINT;
991	}
992
993	bool	700	bool
994	rxvt_term::bg_set_tint (rxvt_color &new_tint)	701	rxvt_term::bg_set_tint (rxvt_color &new_tint)
995	{	702	{
996	if (tint != new_tint)	703	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
997	{	704	{
998	tint = new_tint;	705	tint = new_tint;
999	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
1000	return true;	717	return true;
1001	}	718	}
1002		719
1003	return false;	720	return false;
1004	}	721	}
…		…
1013	new_shade = 200 - (100 + new_shade);	730	new_shade = 200 - (100 + new_shade);
1014		731
1015	if (new_shade != shade)	732	if (new_shade != shade)
1016	{	733	{
1017	shade = new_shade;	734	shade = new_shade;
1018	set_tint_shade_flags ();
1019	return true;	735	return true;
1020	}	736	}
1021		737
1022	return false;	738	return false;
1023	}	739	}
…		…
1044	params[i+2] = XDoubleToFixed (kernel[i] / sum);	760	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1045	}	761	}
1046	#endif	762	#endif
1047		763
1048	bool	764	bool
1049	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	765	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1050	{	766	{
1051	bool ret = false;	767	bool ret = false;
1052	#if XRENDER	768	#if XRENDER
1053	if (!(bg_flags & BG_HAS_RENDER_CONV))	769	if (!(bg_flags & BG_HAS_RENDER_CONV))
1054	return false;	770	return false;
…		…
1058	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	774	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1059		775
1060	XRenderPictureAttributes pa;	776	XRenderPictureAttributes pa;
1061	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	777	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1062		778
		779	pa.repeat = RepeatPad;
1063	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		781	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1064	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	782	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		783	XFreePixmap (dpy, tmp);
1065		784
1066	if (kernel && params)	785	if (kernel && params)
1067	{	786	{
1068	if (h_blurRadius)
1069	{
1070	size = h_blurRadius * 2 + 1;	787	size = h_blurRadius * 2 + 1;
1071	get_gaussian_kernel (h_blurRadius, size, kernel, params);	788	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1072		789
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	790	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	791	XRenderComposite (dpy,
1075	PictOpSrc,	792	PictOpSrc,
1076	src,	793	src,
1077	None,	794	None,
1078	dst,	795	dst,
1079	0, 0,	796	0, 0,
1080	0, 0,	797	0, 0,
1081	0, 0,	798	0, 0,
1082	width, height);	799	width, height);
1083	}
1084		800
1085	if (v_blurRadius)	801	::swap (src, dst);
1086	{	802
1087	size = v_blurRadius * 2 + 1;	803	size = v_blurRadius * 2 + 1;
1088	get_gaussian_kernel (v_blurRadius, size, kernel, params);	804	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1089	::swap (params[0], params[1]);	805	::swap (params[0], params[1]);
1090		806
1091	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	807	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1092	XRenderComposite (dpy,	808	XRenderComposite (dpy,
1093	PictOpSrc,	809	PictOpSrc,
1094	src,	810	src,
1095	None,	811	None,
1096	dst,	812	dst,
1097	0, 0,	813	0, 0,
1098	0, 0,	814	0, 0,
1099	0, 0,	815	0, 0,
1100	width, height);	816	width, height);
1101	}
1102		817
1103	ret = true;	818	ret = true;
1104	}	819	}
1105		820
1106	free (kernel);	821	free (kernel);
…		…
1110	#endif	825	#endif
1111	return ret;	826	return ret;
1112	}	827	}
1113		828
1114	bool	829	bool
1115	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	830	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1116	{	831	{
1117	bool ret = false;	832	bool ret = false;
1118		833
1119	if (bg_flags & BG_TINT_BITAND)	834	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1120	{	835	{
1121	XGCValues gcv;	836	XGCValues gcv;
1122	GC gc;	837	GC gc;
1123		838
1124	/* In this case we can tint image server-side getting significant	839	/* In this case we can tint image server-side getting significant
…		…
1136	}	851	}
1137	}	852	}
1138	# if XRENDER	853	# if XRENDER
1139	else if (bg_flags & BG_HAS_RENDER)	854	else if (bg_flags & BG_HAS_RENDER)
1140	{	855	{
1141	rgba c;	856	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1142		857
		858	if (bg_flags & BG_TINT_SET)
1143	tint.get (c);	859	tint.get (c);
1144		860
1145	if (shade <= 100)	861	if (shade <= 100)
1146	{	862	{
1147	c.r = c.r * shade / 100;	863	c.r = c.r * shade / 100;
1148	c.g = c.g * shade / 100;	864	c.g = c.g * shade / 100;
…		…
1154	c.g = c.g * (200 - shade) / 100;	870	c.g = c.g * (200 - shade) / 100;
1155	c.b = c.b * (200 - shade) / 100;	871	c.b = c.b * (200 - shade) / 100;
1156	}	872	}
1157		873
1158	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	874	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1159	XRenderPictureAttributes pa;
1160		875
1161	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	876	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1162		877
1163	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	878	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1164		879
1165	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);	880	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1166		881
…		…
1175	mask_c.alpha = 0;	890	mask_c.alpha = 0;
1176	mask_c.red = 0xffff - c.r;	891	mask_c.red = 0xffff - c.r;
1177	mask_c.green = 0xffff - c.g;	892	mask_c.green = 0xffff - c.g;
1178	mask_c.blue = 0xffff - c.b;	893	mask_c.blue = 0xffff - c.b;
1179	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	894	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		895
1180	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	896	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1181		897
1182	if (shade > 100)	898	if (shade > 100)
1183	{	899	{
1184	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1185	mask_c.alpha = 0;	900	mask_c.alpha = 0;
		901	mask_c.red =
		902	mask_c.green =
		903	mask_c.blue = 0xffff * (shade - 100) / 100;
1186	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	904	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1187		905
1188	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	906	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1189	}	907	}
1190		908
…		…
1202	/*	920	/*
1203	* Builds a pixmap of the same size as the terminal window that contains	921	* Builds a pixmap of the same size as the terminal window that contains
1204	* the tiled portion of the root pixmap that is supposed to be covered by	922	* the tiled portion of the root pixmap that is supposed to be covered by
1205	* our window.	923	* our window.
1206	*/	924	*/
1207	unsigned long	925	bool
1208	rxvt_term::make_transparency_pixmap ()	926	rxvt_term::make_transparency_pixmap ()
1209	{	927	{
1210	unsigned long result = 0;	928	bool ret = false;
1211		929
1212	/* root dimensions may change from call to call - but Display structure should	930	/* root dimensions may change from call to call - but Display structure should
1213	* be always up-to-date, so let's use it :	931	* be always up-to-date, so let's use it :
1214	*/	932	*/
1215	int screen = display->screen;	933	int screen = display->screen;
…		…
1253	#if XRENDER	971	#if XRENDER
1254	if (bg_flags & BG_HAS_RENDER)	972	if (bg_flags & BG_HAS_RENDER)
1255	{	973	{
1256	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	974	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1257		975
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	976	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	977	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		978
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	979	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	980	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		981
1266	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	982	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1267		983
1268	XRenderFreePicture (dpy, src);	984	XRenderFreePicture (dpy, src);
1269	XRenderFreePicture (dpy, dst);	985	XRenderFreePicture (dpy, dst);
…		…
1298	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1014	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1299		1015
1300	if (gc)	1016	if (gc)
1301	{	1017	{
1302	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1018	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1303	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);
1304		1022
1305	if (!(bg_flags & BG_CLIENT_RENDER))	1023	if (!(bg_flags & BG_CLIENT_RENDER))
1306	{	1024	{
1307	if (bg_flags & BG_NEEDS_BLUR)	1025	if (need_blur)
1308	{	1026	{
1309	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1027	if (blur_pixmap (bg_pixmap, window_width, window_height))
1310	result &= ~BG_NEEDS_BLUR;	1028	need_blur = false;
1311	}
1312	if (bg_flags & BG_NEEDS_TINT)
1313	{	1029	}
		1030	if (need_tint)
		1031	{
1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1032	if (tint_pixmap (bg_pixmap, window_width, window_height))
1315	result &= ~BG_NEEDS_TINT;	1033	need_tint = false;
1316	}	1034	}
1317	# ifndef HAVE_AFTERIMAGE	1035	if (need_tint)
1318	if (result & BG_NEEDS_TINT)
1319	{	1036	{
1320	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);
1321	if (ximage)	1038	if (ximage)
1322	{	1039	{
1323	/* our own client-side tinting */	1040	/* our own client-side tinting */
1324	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1041	tint_ximage (ximage);
1325		1042
1326	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);
1327	XDestroyImage (ximage);	1044	XDestroyImage (ximage);
1328	}	1045	}
1329	}	1046	}
1330	# endif
1331	} /* server side rendering completed */	1047	} /* server side rendering completed */
1332		1048
1333	XFreeGC (dpy, gc);	1049	XFreeGC (dpy, gc);
1334	}	1050	}
1335		1051
1336	if (recoded_root_pmap != root_pixmap)	1052	if (recoded_root_pmap != root_pixmap)
1337	XFreePixmap (dpy, recoded_root_pmap);	1053	XFreePixmap (dpy, recoded_root_pmap);
1338		1054
1339	return result;	1055	return ret;
1340	}	1056	}
1341		1057
1342	void	1058	void
1343	rxvt_term::bg_set_root_pixmap ()	1059	rxvt_term::bg_set_root_pixmap ()
1344	{	1060	{
…		…
1351	# endif /* ENABLE_TRANSPARENCY */	1067	# endif /* ENABLE_TRANSPARENCY */
1352		1068
1353	bool	1069	bool
1354	rxvt_term::bg_render ()	1070	rxvt_term::bg_render ()
1355	{	1071	{
1356	unsigned long tr_flags = 0;
1357
1358	bg_invalidate ();	1072	bg_invalidate ();
1359	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1360	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1361	{	1075	{
1362	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1363	tr_flags = make_transparency_pixmap ();	1077	if (make_transparency_pixmap ())
1364	if (tr_flags == 0)
1365	return false;
1366	bg_flags |= BG_IS_VALID;	1078	bg_flags |= BG_IS_VALID;
1367	}	1079	}
1368	# endif	1080	# endif
1369		1081
1370	# ifdef BG_IMAGE_FROM_FILE	1082	# ifdef BG_IMAGE_FROM_FILE
1371	if ((bg_flags & BG_IS_FROM_FILE)	1083	if (bg_image.flags & IM_IS_SET)
1372	|| (tr_flags & BG_EFFECTS_FLAGS))
1373	{	1084	{
1374	if (render_image (tr_flags))	1085	if (render_image (bg_image))
1375	bg_flags |= BG_IS_VALID;	1086	bg_flags |= BG_IS_VALID;
1376	}	1087	}
1377	# endif	1088	# endif
1378		1089
1379	if (!(bg_flags & BG_IS_VALID))	1090	if (!(bg_flags & BG_IS_VALID))
…		…
1395		1106
1396	void	1107	void
1397	rxvt_term::bg_init ()	1108	rxvt_term::bg_init ()
1398	{	1109	{
1399	#ifdef ENABLE_TRANSPARENCY	1110	#ifdef ENABLE_TRANSPARENCY
1400	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1401	tint.set (this, c);
1402	shade = 100;	1111	shade = 100;
1403	#endif	1112	#endif
1404		1113
1405	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1114	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1406	#if XRENDER	1115	#if XRENDER
…		…
1419	#endif	1128	#endif
1420	}	1129	}
1421		1130
1422	#endif /* HAVE_BG_PIXMAP */	1131	#endif /* HAVE_BG_PIXMAP */
1423		1132
1424	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1133	#ifdef ENABLE_TRANSPARENCY
1425	/* based on code from aterm-0.4.2 */	1134	/* based on code from aterm-0.4.2 */
1426		1135
1427	static inline void	1136	static inline void
1428	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)
1429	{	1138	{
…		…
1435	lookup[i] = (tmp / 0xffff) << sh;	1144	lookup[i] = (tmp / 0xffff) << sh;
1436	}	1145	}
1437	}	1146	}
1438		1147
1439	void	1148	void
1440	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1149	rxvt_term::tint_ximage (XImage *ximage)
1441	{	1150	{
		1151	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1152	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1153	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1154	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	unsigned short low;	1155	unsigned short low;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1156	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1451	mask_r = visual->red_mask;	1161	mask_r = visual->red_mask;
1452	mask_g = visual->green_mask;	1162	mask_g = visual->green_mask;
1453	mask_b = visual->blue_mask;	1163	mask_b = visual->blue_mask;
1454		1164
1455	/* boring lookup table pre-initialization */	1165	/* boring lookup table pre-initialization */
1456	switch (ximage->depth)	1166	sh_r = ecb_ctz32 (mask_r);
1457	{	1167	sh_g = ecb_ctz32 (mask_g);
1458	case 15:	1168	sh_b = ecb_ctz32 (mask_b);
1459	if ((mask_r != 0x7c00) ||	1169
1460	(mask_g != 0x03e0) ||	1170	size_r = mask_r >> sh_r;
1461	(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)
1462	return;	1175	return;
1463	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));
1464	lookup_r = lookup;	1178	lookup_r = lookup;
1465	lookup_g = lookup+32;	1179	lookup_g = lookup + size_r;
1466	lookup_b = lookup+32+32;	1180	lookup_b = lookup + size_r + size_g;
1467	sh_r = 10;
1468	sh_g = 5;
1469	sh_b = 0;
1470	break;
1471	case 16:
1472	if ((mask_r != 0xf800) ||
1473	(mask_g != 0x07e0) ||
1474	(mask_b != 0x001f))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1477	lookup_r = lookup;
1478	lookup_g = lookup+32;
1479	lookup_b = lookup+32+64;
1480	sh_r = 11;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 24:
1485	if ((mask_r != 0xff0000) ||
1486	(mask_g != 0x00ff00) ||
1487	(mask_b != 0x0000ff))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1490	lookup_r = lookup;
1491	lookup_g = lookup+256;
1492	lookup_b = lookup+256+256;
1493	sh_r = 16;
1494	sh_g = 8;
1495	sh_b = 0;
1496	break;
1497	case 32:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	default:
1511	return; /* we do not support this color depth */
1512	}
1513		1181
1514	rgba c;	1182	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1515		1183
		1184	if (bg_flags & BG_TINT_SET)
1516	tint.get (c);	1185	tint.get (c);
1517		1186
1518	/* prepare limits for color transformation (each channel is handled separately) */	1187	/* prepare limits for color transformation (each channel is handled separately) */
1519	if (shade > 100)	1188	if (shade > 100)
1520	{	1189	{
1521	c.r = c.r * (200 - shade) / 100;	1190	c.r = c.r * (200 - shade) / 100;
…		…
1538	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1207	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1208	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540		1209
1541	/* apply table to input image (replacing colors by newly calculated ones) */	1210	/* apply table to input image (replacing colors by newly calculated ones) */
1542	if (ximage->bits_per_pixel == 32	1211	if (ximage->bits_per_pixel == 32
1543	&& (ximage->depth == 24 || ximage->depth == 32)
1544	&& ximage->byte_order == host_byte_order)	1212	&& ximage->byte_order == host_byte_order)
1545	{	1213	{
1546	uint32_t *p1, *pf, *p, *pl;	1214	char *line = ximage->data;
1547	p1 = (uint32_t *) ximage->data;
1548	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1549		1215
1550	while (p1 < pf)	1216	for (int y = 0; y < ximage->height; y++)
1551	{
1552	p = p1;
1553	pl = p1 + ximage->width;
1554	for (; p < pl; p++)
1555	{	1217	{
1556	*p = lookup_r[(*p & 0xff0000) >> 16] |	1218	uint32_t *p = (uint32_t *)line;
1557	lookup_g[(*p & 0x00ff00) >> 8] |	1219	for (int x = 0; x < ximage->width; x++)
1558	lookup_b[(*p & 0x0000ff)] |
1559	(*p & 0xff000000);
1560	}	1220	{
1561	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;
1562	}	1227	}
1563	}	1228	}
1564	else	1229	else
1565	{	1230	{
1566	for (int y = 0; y < ximage->height; y++)	1231	for (int y = 0; y < ximage->height; y++)
…		…
1574	}	1239	}
1575	}	1240	}
1576		1241
1577	free (lookup);	1242	free (lookup);
1578	}	1243	}
1579	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1244	#endif /* ENABLE_TRANSPARENCY */

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