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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.192 by sf-exg, Fri Dec 30 12:45:56 2011 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 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, bool argb)
		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 red_mask, green_mask, blue_mask, 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 (argb)
404	}	361	{
405		362	red_mask = 0xff << 16;
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
407	{	366	}
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
409	ASA_XImage,	368	{
410	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
411	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 || height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char *pixel = row + x * channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
412	{	435	{
413	destroy_asimage (&background);	436	a = pixel[3];
414	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	| ((g >> (8 - width_g)) << sh_g)
		451	| ((b >> (8 - width_b)) << sh_b)
		452	| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
415	}	458	}
416	}
417	# endif
418		459
419	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
420		486
421	int target_width = szHint.width;	487	int target_width = szHint.width;
422	int target_height = szHint.height;	488	int target_height = szHint.height;
423	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
426	int x = 0;	492	int x = 0;
427	int y = 0;	493	int y = 0;
428	int w = 0;	494	int w = 0;
429	int h = 0;	495	int h = 0;
430		496
431	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		498
434	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
435	|| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width	500	&& (x >= target_width
437	|| y >= target_height	501	|| y >= target_height
438	|| x + w <= 0	502	|| x + w <= 0
439	|| y + h <= 0)))	503	|| y + h <= 0))
		504	return false;
		505
		506	result = pixbuf;
		507
		508	if (w != image_width
		509	|| h != image_height)
		510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
440	{	514	}
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446		515
447	if (background_tint != TINT_LEAVE_SAME)	516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		530	else
		531	{
		532	if (image.flags & IM_TILE)
448	{	533	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
450	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}	536	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else
460	{
461	result = original_asim;
462		537
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	538	if (bg_pixmap == None
566	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
567	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
568	{	541	{
569	if (bg_pixmap)	542	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
574	}	547	}
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		548
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)
726	&& (x >= target_width
727	|| y >= target_height
728	|| x + w <= 0
729	|| y + h <= 0))
730	return false;
731
732	result = pixbuf;
733
734	if (w != image_width
735	|| h != image_height)
736	{
737	result = gdk_pixbuf_scale_simple (pixbuf,
738	w, h,
739	GDK_INTERP_BILINEAR);
740	}
741
742	if (!result)
743	return false;
744
745	bool ret = false;
746
747	XGCValues gcv;
748	GC gc;
749	Pixmap root_pmap;
750
751	image_width = gdk_pixbuf_get_width (result);
752	image_height = gdk_pixbuf_get_height (result);
753
754	if (tr_flags)
755	{
756	root_pmap = bg_pixmap;	549	tmp_pixmap = bg_pixmap;
757	bg_pixmap = None;
758	}
759	else
760	{
761	if (bg_flags & BG_TILE)
762	{
763	new_pmap_width = min (image_width, target_width);
764	new_pmap_height = min (image_height, target_height);
765	}
766	}
767
768	if (bg_pixmap == None
769	|| bg_pmap_width != new_pmap_width
770	|| bg_pmap_height != new_pmap_height)
771	{
772	if (bg_pixmap)
773	XFreePixmap (dpy, bg_pixmap);
774	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
775	bg_pmap_width = new_pmap_width;
776	bg_pmap_height = new_pmap_height;
777	}	550	}
778		551
779	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
781		554
782	if (gc)	555	if (gc)
783	{	556	{
784	if (bg_flags & BG_TILE)	557	if (image.flags & IM_TILE)
785	{	558	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
787	pixbuf_to_pixmap (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,	561	0, 0,
789	0, 0,	562	0, 0,
790	image_width, image_height);	563	image_width, image_height, need_blend);
791		564
792	gcv.tile = tile;	565	gcv.tile = tile;
793	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
794	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
795	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
796	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
797		570
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799	XFreePixmap (dpy, tile);	572	XFreePixmap (dpy, tile);
800	}	573	}
801	else	574	else
802	{	575	{
803	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
…		…
807	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
808		581
809	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
810	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
811	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	585	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813		586
814	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
815	pixbuf_to_pixmap (result, bg_pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
816	src_x, src_y,	589	src_x, src_y,
817	dst_x, dst_y,	590	dst_x, dst_y,
818	dst_width, dst_height);	591	dst_width, dst_height, need_blend);
819	}	592	}
820		593
821	#if XRENDER	594	#if XRENDER
822	if (tr_flags)	595	if (need_blend)
823	{	596	{
		597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
824	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
825		599
826	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
827		601
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		603
830	Picture mask = create_xrender_mask (dpy, vt, False, False);	604	Picture mask = create_xrender_mask (dpy, vt, False, False);
831		605
…		…
851	}	625	}
852		626
853	if (result != pixbuf)	627	if (result != pixbuf)
854	g_object_unref (result);	628	g_object_unref (result);
855		629
856	if (tr_flags)	630	if (need_blend)
857	XFreePixmap (dpy, root_pmap);	631	XFreePixmap (dpy, tmp_pixmap);
858		632
859	return ret;	633	return ret;
860	}	634	}
861	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
862		636
863	bool	637	bool
864	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
865	{	639	{
866	if (!file || !*file)	640	if (!file || !*file)
867	return false;	641	return false;
868		642
869	bool ret = false;	643	bool ret = false;
…		…
876	memcpy (f, file, len);	650	memcpy (f, file, len);
877	f[len] = '\0';	651	f[len] = '\0';
878	file = f;	652	file = f;
879	}	653	}
880		654
881	# ifdef HAVE_AFTERIMAGE
882	if (!asimman)
883	asimman = create_generic_imageman (rs[Rs_path]);
884	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
885	if (image)
886	{
887	if (original_asim)
888	safe_asimage_destroy (original_asim);
889	original_asim = image;
890	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
891	ret = true;
892	}
893	# endif
894
895	# ifdef HAVE_PIXBUF	655	# ifdef HAVE_PIXBUF
896	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
897	if (image)	657	if (image)
898	{	658	{
899	if (pixbuf)	659	if (pixbuf)
900	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
901	pixbuf = image;	661	pixbuf = image;
902	bg_flags |= BG_IS_FROM_FILE;
903	ret = true;	662	ret = true;
904	}	663	}
905	# endif	664	# endif
906		665
907	if (ret)	666	if (ret)
908	{	667	{
		668	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
909	if (p)	672	if (p)
910	bg_set_geometry (p + 1);	673	set_geometry (p + 1);
911	else
912	bg_set_default_geometry ();
913	}	674	}
914		675
915	return ret;	676	return ret;
916	}	677	}
917		678
918	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
919		680
920	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
921	bool
922	rxvt_term::bg_set_transparent ()
923	{
924	if (!(bg_flags & BG_IS_TRANSPARENT))
925	{
926	bg_flags |= BG_IS_TRANSPARENT;
927	return true;
928	}
929
930	return false;
931	}
932
933	bool	682	bool
934	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
935	{	684	{
936	bool changed = false;	685	bool changed = false;
937	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
956	{	705	{
957	changed = true;	706	changed = true;
958	v_blurRadius = vr;	707	v_blurRadius = vr;
959	}	708	}
960		709
961	if (v_blurRadius == 0 && h_blurRadius == 0)
962	bg_flags &= ~BG_NEEDS_BLUR;
963	else
964	bg_flags |= BG_NEEDS_BLUR;
965
966	return changed;	710	return changed;
967	}	711	}
968		712
969	void
970	rxvt_term::set_tint_shade_flags ()
971	{
972	rgba c;
973	bool has_shade = shade != 100;
974
975	bg_flags &= ~BG_TINT_FLAGS;
976
977	tint.get (c);
978
979	if (!has_shade
980	&& (c.r <= 0x00ff || c.r >= 0xff00)
981	&& (c.g <= 0x00ff || c.g >= 0xff00)
982	&& (c.b <= 0x00ff || c.b >= 0xff00))
983	bg_flags |= BG_TINT_BITAND;
984
985	if (has_shade
986	|| c.r < 0xff00
987	|| c.g < 0xff00
988	|| c.b < 0xff00)
989	bg_flags |= BG_NEEDS_TINT;
990	}
991
992	bool	713	bool
993	rxvt_term::bg_set_tint (rxvt_color &new_tint)	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
994	{	715	{
995	if (tint != new_tint)	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
996	{	717	{
997	tint = new_tint;	718	tint = new_tint;
998	set_tint_shade_flags ();	719	bg_flags |= BG_TINT_SET;
		720
		721	rgba c;
		722	tint.get (c);
		723	if ((c.r <= 0x00ff || c.r >= 0xff00)
		724	&& (c.g <= 0x00ff || c.g >= 0xff00)
		725	&& (c.b <= 0x00ff || c.b >= 0xff00))
		726	bg_flags |= BG_TINT_BITAND;
		727	else
		728	bg_flags &= ~BG_TINT_BITAND;
		729
999	return true;	730	return true;
1000	}	731	}
1001		732
1002	return false;	733	return false;
1003	}	734	}
…		…
1012	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
1013		744
1014	if (new_shade != shade)	745	if (new_shade != shade)
1015	{	746	{
1016	shade = new_shade;	747	shade = new_shade;
1017	set_tint_shade_flags ();
1018	return true;	748	return true;
1019	}	749	}
1020		750
1021	return false;	751	return false;
1022	}	752	}
…		…
1043	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1044	}	774	}
1045	#endif	775	#endif
1046		776
1047	bool	777	bool
1048	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1049	{	779	{
1050	bool ret = false;	780	bool ret = false;
1051	#if XRENDER	781	#if XRENDER
1052	if (!(bg_flags & BG_HAS_RENDER_CONV))	782	if (!(bg_flags & BG_HAS_RENDER_CONV))
1053	return false;	783	return false;
1054		784
1055	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1056	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1057	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1058		788
		789	XRenderPictureAttributes pa;
1059	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1060		791
		792	pa.repeat = RepeatPad;
1061	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1062	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1063		797
1064	if (kernel && params)	798	if (kernel && params)
1065	{	799	{
1066	if (h_blurRadius)
1067	{
1068	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1069	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1070		802
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1073	PictOpSrc,	805	PictOpSrc,
1074	src,	806	src,
1075	None,	807	None,
1076	dst,	808	dst,
1077	0, 0,	809	0, 0,
1078	0, 0,	810	0, 0,
1079	0, 0,	811	0, 0,
1080	width, height);	812	width, height);
1081	}
1082		813
1083	if (v_blurRadius)	814	::swap (src, dst);
1084	{	815
1085	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1086	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1087	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1088		819
1089	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1090	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1091	PictOpSrc,	822	PictOpSrc,
1092	src,	823	src,
1093	None,	824	None,
1094	dst,	825	dst,
1095	0, 0,	826	0, 0,
1096	0, 0,	827	0, 0,
1097	0, 0,	828	0, 0,
1098	width, height);	829	width, height);
1099	}
1100		830
1101	ret = true;	831	ret = true;
1102	}	832	}
1103		833
1104	free (kernel);	834	free (kernel);
…		…
1108	#endif	838	#endif
1109	return ret;	839	return ret;
1110	}	840	}
1111		841
1112	bool	842	bool
1113	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1114	{	844	{
1115	bool ret = false;	845	bool ret = false;
1116		846
1117	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1118	{	848	{
1119	XGCValues gcv;	849	XGCValues gcv;
1120	GC gc;	850	GC gc;
1121		851
1122	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1134	}	864	}
1135	}	865	}
1136	# if XRENDER	866	# if XRENDER
1137	else if (bg_flags & BG_HAS_RENDER)	867	else if (bg_flags & BG_HAS_RENDER)
1138	{	868	{
1139	rgba c;	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1140		870
		871	if (bg_flags & BG_TINT_SET)
1141	tint.get (c);	872	tint.get (c);
1142		873
1143	if (shade <= 100)	874	if (shade <= 100)
1144	{	875	{
1145	c.r = c.r * shade / 100;	876	c.r = c.r * shade / 100;
1146	c.g = c.g * shade / 100;	877	c.g = c.g * shade / 100;
…		…
1202	/*	933	/*
1203	* Builds a pixmap of the same size as the terminal window that contains	934	* 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	935	* the tiled portion of the root pixmap that is supposed to be covered by
1205	* our window.	936	* our window.
1206	*/	937	*/
1207	unsigned long	938	bool
1208	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1209	{	940	{
1210	unsigned long result = 0;	941	bool ret = false;
1211		942
1212	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1213	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1214	*/	945	*/
1215	int screen = display->screen;	946	int screen = display->screen;
…		…
1296	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1297		1028
1298	if (gc)	1029	if (gc)
1299	{	1030	{
1300	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1301	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1032	ret = true;
		1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
1302		1035
1303	if (!(bg_flags & BG_CLIENT_RENDER))	1036	if (!(bg_flags & BG_CLIENT_RENDER))
1304	{	1037	{
1305	if (bg_flags & BG_NEEDS_BLUR)	1038	if (need_blur)
1306	{	1039	{
1307	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
1308	result &= ~BG_NEEDS_BLUR;	1041	need_blur = false;
1309	}
1310	if (bg_flags & BG_NEEDS_TINT)
1311	{	1042	}
		1043	if (need_tint)
		1044	{
1312	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
1313	result &= ~BG_NEEDS_TINT;	1046	need_tint = false;
1314	}	1047	}
1315	# ifndef HAVE_AFTERIMAGE	1048	if (need_tint)
1316	if (result & BG_NEEDS_TINT)
1317	{	1049	{
1318	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1319	if (ximage)	1051	if (ximage)
1320	{	1052	{
1321	/* our own client-side tinting */	1053	/* our own client-side tinting */
1322	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1054	tint_ximage (ximage);
1323		1055
1324	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1325	XDestroyImage (ximage);	1057	XDestroyImage (ximage);
1326	}	1058	}
1327	}	1059	}
1328	# endif
1329	} /* server side rendering completed */	1060	} /* server side rendering completed */
1330		1061
1331	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1332	}	1063	}
1333		1064
1334	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1335	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1336		1067
1337	return result;	1068	return ret;
1338	}	1069	}
1339		1070
1340	void	1071	void
1341	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1342	{	1073	{
…		…
1349	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1350		1081
1351	bool	1082	bool
1352	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1353	{	1084	{
1354	unsigned long tr_flags = 0;
1355
1356	bg_invalidate ();	1085	bg_invalidate ();
1357	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1358	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1359	{	1088	{
1360	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1361	tr_flags = make_transparency_pixmap ();	1090	if (make_transparency_pixmap ())
1362	if (tr_flags == 0)
1363	return false;
1364	bg_flags |= BG_IS_VALID;	1091	bg_flags |= BG_IS_VALID;
1365	}	1092	}
1366	# endif	1093	# endif
1367		1094
1368	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1369	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1370	|| (tr_flags & BG_EFFECTS_FLAGS))
1371	{	1097	{
1372	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1373	bg_flags |= BG_IS_VALID;	1099	bg_flags |= BG_IS_VALID;
1374	}	1100	}
1375	# endif	1101	# endif
1376		1102
1377	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
…		…
1393		1119
1394	void	1120	void
1395	rxvt_term::bg_init ()	1121	rxvt_term::bg_init ()
1396	{	1122	{
1397	#ifdef ENABLE_TRANSPARENCY	1123	#ifdef ENABLE_TRANSPARENCY
1398	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1399	tint.set (this, c);
1400	shade = 100;	1124	shade = 100;
1401	#endif	1125	#endif
1402		1126
1403	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1127	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1404	#if XRENDER	1128	#if XRENDER
…		…
1417	#endif	1141	#endif
1418	}	1142	}
1419		1143
1420	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1421		1145
1422	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1423	/* based on code from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1424		1148
1425	static inline void	1149	static inline void
1426	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1427	{	1151	{
…		…
1433	lookup[i] = (tmp / 0xffff) << sh;	1157	lookup[i] = (tmp / 0xffff) << sh;
1434	}	1158	}
1435	}	1159	}
1436		1160
1437	void	1161	void
1438	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1162	rxvt_term::tint_ximage (XImage *ximage)
1439	{	1163	{
		1164	unsigned int size_r, size_g, size_b;
1440	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1441	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1442	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1443	unsigned short low;	1168	unsigned short low;
1444	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1449	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1450	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1451	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1452		1177
1453	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1454	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1455	{	1180	sh_g = ecb_ctz32 (mask_g);
1456	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1457	if ((mask_r != 0x7c00) ||	1182
1458	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1459	(mask_b != 0x001f))	1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1460	return;	1188	return;
1461	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1189
		1190	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1462	lookup_r = lookup;	1191	lookup_r = lookup;
1463	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1464	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1465	sh_r = 10;
1466	sh_g = 5;
1467	sh_b = 0;
1468	break;
1469	case 16:
1470	if ((mask_r != 0xf800) ||
1471	(mask_g != 0x07e0) ||
1472	(mask_b != 0x001f))
1473	return;
1474	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1475	lookup_r = lookup;
1476	lookup_g = lookup+32;
1477	lookup_b = lookup+32+64;
1478	sh_r = 11;
1479	sh_g = 5;
1480	sh_b = 0;
1481	break;
1482	case 24:
1483	if ((mask_r != 0xff0000) ||
1484	(mask_g != 0x00ff00) ||
1485	(mask_b != 0x0000ff))
1486	return;
1487	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1488	lookup_r = lookup;
1489	lookup_g = lookup+256;
1490	lookup_b = lookup+256+256;
1491	sh_r = 16;
1492	sh_g = 8;
1493	sh_b = 0;
1494	break;
1495	case 32:
1496	if ((mask_r != 0xff0000) ||
1497	(mask_g != 0x00ff00) ||
1498	(mask_b != 0x0000ff))
1499	return;
1500	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1501	lookup_r = lookup;
1502	lookup_g = lookup+256;
1503	lookup_b = lookup+256+256;
1504	sh_r = 16;
1505	sh_g = 8;
1506	sh_b = 0;
1507	break;
1508	default:
1509	return; /* we do not support this color depth */
1510	}
1511		1194
1512	rgba c;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1513		1196
		1197	if (bg_flags & BG_TINT_SET)
1514	tint.get (c);	1198	tint.get (c);
1515		1199
1516	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1201	if (shade > 100)
1518	{	1202	{
1519	c.r = c.r * (200 - shade) / 100;	1203	c.r = c.r * (200 - shade) / 100;
…		…
1536	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1537	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1538		1222
1539	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1540	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1541	&& (ximage->depth == 24 || ximage->depth == 32)
1542	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1543	{	1226	{
1544	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1545	p1 = (uint32_t *) ximage->data;
1546	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1547		1228
1548	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1549	{
1550	p = p1;
1551	pl = p1 + ximage->width;
1552	for (; p < pl; p++)
1553	{	1230	{
1554	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1555	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1556	lookup_b[(*p & 0x0000ff)] |
1557	(*p & 0xff000000);
1558	}	1233	{
1559	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1234	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1235	lookup_g[(*p & mask_g) >> sh_g] |
		1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1560	}	1240	}
1561	}	1241	}
1562	else	1242	else
1563	{	1243	{
1564	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1572	}	1252	}
1573	}	1253	}
1574		1254
1575	free (lookup);	1255	free (lookup);
1576	}	1256	}
1577	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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