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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.191 by sf-exg, Fri Dec 30 11:22:48 2011 UTC vs.
Revision 1.235 by sf-exg, Thu Jun 7 09:34:51 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	63	# if BG_IMAGE_FROM_FILE
60	if (original_asim)	64	fimage.destroy ();
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	65	# endif
67
68	#ifdef HAVE_PIXBUF
69	if (pixbuf)
70	g_object_unref (pixbuf);
71	#endif
72		66
73	if (bg_pixmap)	67	if (bg_pixmap)
74	XFreePixmap (dpy, bg_pixmap);	68	XFreePixmap (dpy, bg_pixmap);
75	}	69	}
76		70
…		…
89	}	83	}
90		84
91	bool	85	bool
92	rxvt_term::bg_window_size_sensitive ()	86	rxvt_term::bg_window_size_sensitive ()
93	{	87	{
94	# ifdef ENABLE_TRANSPARENCY	88	# if ENABLE_TRANSPARENCY
95	if (bg_flags & BG_IS_TRANSPARENT)	89	if (bg_flags & BG_IS_TRANSPARENT)
96	return true;	90	return true;
97	# endif	91	# endif
98		92
99	# ifdef BG_IMAGE_FROM_FILE	93	# if BG_IMAGE_FROM_FILE
100	if (bg_flags & BG_IS_FROM_FILE)	94	if (fimage.flags & IM_IS_SET)
101	{	95	{
102	if (bg_flags & BG_IS_SIZE_SENSITIVE)	96	if ((fimage.flags & IM_IS_SIZE_SENSITIVE)
		97	|| fimage.width () > szHint.width
		98	|| fimage.height () > szHint.height)
103	return true;	99	return true;
104	}	100	}
105	# endif	101	# endif
106		102
107	return false;	103	return false;
108	}	104	}
109		105
110	bool	106	bool
111	rxvt_term::bg_window_position_sensitive ()	107	rxvt_term::bg_window_position_sensitive ()
112	{	108	{
113	# ifdef ENABLE_TRANSPARENCY	109	# if ENABLE_TRANSPARENCY
114	if (bg_flags & BG_IS_TRANSPARENT)	110	if (bg_flags & BG_IS_TRANSPARENT)
115	return true;	111	return true;
116	# endif	112	# endif
117		113
118	# ifdef BG_IMAGE_FROM_FILE	114	# if BG_IMAGE_FROM_FILE
119	if (bg_flags & BG_IS_FROM_FILE)	115	if (fimage.flags & IM_IS_SET)
120	{	116	{
121	if (bg_flags & BG_ROOT_ALIGN)	117	if (fimage.flags & IM_ROOT_ALIGN)
122	return true;	118	return true;
123	}	119	}
124	# endif	120	# endif
125		121
126	return false;	122	return false;
127	}	123	}
128		124
129	# ifdef BG_IMAGE_FROM_FILE	125	# if 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	126	static inline int
165	make_align_position (int align, int window_size, int image_size)	127	make_align_position (int align, int window_size, int image_size)
166	{	128	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	129	if (align >= 0 && align <= 100)
171	return diff * align / 100;	130	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	131	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	132	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	133	else
175	return (align + 100) * smaller / 100 - image_size;	134	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	135	}
178		136
179	static inline int	137	static inline int
180	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	138	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
181	{	139	{
…		…
187	src_pos = -pos;	145	src_pos = -pos;
188	dst_pos = 0;	146	dst_pos = 0;
189	dst_size += pos;	147	dst_size += pos;
190	}	148	}
191		149
192	if (dst_pos + dst_size > target_size)
193	dst_size = target_size - dst_pos;	150	min_it (dst_size, target_size - dst_pos);
194	return src_pos;	151	return src_pos;
195	}	152	}
196		153
		154	static void
		155	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		156	{
		157	if (!strcasecmp (style, "tiled"))
		158	{
		159	flags = IM_TILE;
		160	w = h = noScale;
		161	x = y = 0;
		162	}
		163	else if (!strcasecmp (style, "aspect-stretched"))
		164	{
		165	flags = IM_KEEP_ASPECT;
		166	w = h = windowScale;
		167	x = y = centerAlign;
		168	}
		169	else if (!strcasecmp (style, "stretched"))
		170	{
		171	flags = 0;
		172	w = h = windowScale;
		173	x = y = centerAlign;
		174	}
		175	else if (!strcasecmp (style, "centered"))
		176	{
		177	flags = 0;
		178	w = h = noScale;
		179	x = y = centerAlign;
		180	}
		181	else if (!strcasecmp (style, "root-tiled"))
		182	{
		183	flags = IM_TILE|IM_ROOT_ALIGN;
		184	w = h = noScale;
		185	x = y = 0;
		186	}
		187	}
		188
197	bool	189	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	190	rxvt_image::set_geometry (const char *geom, bool update)
199	{	191	{
200	bool changed = false;	192	bool changed = false;
201	int geom_flags = 0;	193	int geom_flags = 0;
202	int x = 0, y = 0;	194	int x = h_align;
		195	int y = v_align;
203	unsigned int w = 0, h = 0;	196	unsigned int w = h_scale;
204	unsigned long new_flags = 0;	197	unsigned int h = v_scale;
		198	uint8_t new_flags = 0;
205		199
206	if (geom == NULL)	200	if (geom == NULL)
207	return false;	201	return false;
208		202
209	if (geom[0])	203	if (geom[0])
210	{	204	{
211	char **arr = rxvt_strsplit (':', geom);	205	char **arr = rxvt_strsplit (':', geom);
212		206
213	for (int i = 0; arr[i]; i++)	207	for (int i = 0; arr[i]; i++)
214	{	208	{
215	if (!strcasecmp (arr[i], "style=tiled"))	209	if (!strncasecmp (arr[i], "style=", 6))
216	{	210	{
217	new_flags = BG_TILE;	211	parse_style (arr[i] + 6, x, y, w, h, new_flags);
218	w = h = noScale;
219	x = y = 0;
220	geom_flags = WidthValue|HeightValue|XValue|YValue;	212	geom_flags = WidthValue|HeightValue|XValue|YValue;
221	}	213	}
222	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
223	{
224	new_flags = BG_KEEP_ASPECT;
225	w = h = windowScale;
226	x = y = centerAlign;
227	geom_flags = WidthValue|HeightValue|XValue|YValue;
228	}
229	else if (!strcasecmp (arr[i], "style=stretched"))
230	{
231	new_flags = 0;
232	w = h = windowScale;
233	geom_flags = WidthValue|HeightValue;
234	}
235	else if (!strcasecmp (arr[i], "style=centered"))
236	{
237	new_flags = 0;
238	w = h = noScale;
239	x = y = centerAlign;
240	geom_flags = WidthValue|HeightValue|XValue|YValue;
241	}
242	else if (!strcasecmp (arr[i], "style=root-tiled"))
243	{
244	new_flags = BG_TILE|BG_ROOT_ALIGN;
245	w = h = noScale;
246	geom_flags = WidthValue|HeightValue;
247	}
248	else if (!strcasecmp (arr[i], "op=tile"))	214	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags |= BG_TILE;	215	new_flags |= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	216	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags |= BG_KEEP_ASPECT;	217	new_flags |= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	218	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags |= BG_ROOT_ALIGN;	219	new_flags |= IM_ROOT_ALIGN;
254		220
255	// deprecated	221	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	222	else if (!strcasecmp (arr[i], "tile"))
257	{	223	{
258	new_flags |= BG_TILE;	224	new_flags |= IM_TILE;
259	w = h = noScale;	225	w = h = noScale;
260	geom_flags |= WidthValue|HeightValue;	226	geom_flags |= WidthValue|HeightValue;
261	}	227	}
262	else if (!strcasecmp (arr[i], "propscale"))	228	else if (!strcasecmp (arr[i], "propscale"))
263	{	229	{
264	new_flags |= BG_KEEP_ASPECT;	230	new_flags |= IM_KEEP_ASPECT;
265	w = h = windowScale;	231	w = h = windowScale;
266	geom_flags |= WidthValue|HeightValue;	232	geom_flags |= WidthValue|HeightValue;
267	}	233	}
268	else if (!strcasecmp (arr[i], "hscale"))	234	else if (!strcasecmp (arr[i], "hscale"))
269	{	235	{
270	new_flags |= BG_TILE;	236	new_flags |= IM_TILE;
271	w = windowScale;	237	w = windowScale;
272	h = noScale;	238	h = noScale;
273	geom_flags |= WidthValue|HeightValue;	239	geom_flags |= WidthValue|HeightValue;
274	}	240	}
275	else if (!strcasecmp (arr[i], "vscale"))	241	else if (!strcasecmp (arr[i], "vscale"))
276	{	242	{
277	new_flags |= BG_TILE;	243	new_flags |= IM_TILE;
278	h = windowScale;	244	h = windowScale;
279	w = noScale;	245	w = noScale;
280	geom_flags |= WidthValue|HeightValue;	246	geom_flags |= WidthValue|HeightValue;
281	}	247	}
282	else if (!strcasecmp (arr[i], "scale"))	248	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	256	x = y = centerAlign;
291	geom_flags |= WidthValue|HeightValue|XValue|YValue;	257	geom_flags |= WidthValue|HeightValue|XValue|YValue;
292	}	258	}
293	else if (!strcasecmp (arr[i], "root"))	259	else if (!strcasecmp (arr[i], "root"))
294	{	260	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;	261	new_flags |= IM_TILE|IM_ROOT_ALIGN;
296	w = h = noScale;	262	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	263	geom_flags |= WidthValue|HeightValue;
298	}	264	}
299		265
300	else	266	else
…		…
302	} /* done parsing ops */	268	} /* done parsing ops */
303		269
304	rxvt_free_strsplit (arr);	270	rxvt_free_strsplit (arr);
305	}	271	}
306		272
307	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	273	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
308		274
309	if (!update)	275	if (!update)
310	{	276	{
311	if (!(geom_flags & XValue))	277	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	278	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	283	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	284	else if (!(geom_flags & HeightValue))
319	h = w;	285	h = w;
320	else if (!(geom_flags & WidthValue))	286	else if (!(geom_flags & WidthValue))
321	w = h;	287	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	{	288	}
		289
		290	clamp_it (x, -100, 200);
		291	clamp_it (y, -100, 200);
		292
		293	if (flags != new_flags
		294	|| h_scale != w
		295	|| v_scale != h
		296	|| h_align != x
		297	|| v_align != y)
		298	{
333	bg_flags = new_flags;	299	flags = new_flags;
		300	h_scale = w;
		301	v_scale = h;
		302	h_align = x;
		303	v_align = y;
334	changed = true;	304	changed = true;
335	}	305	}
336		306
		307	if (is_size_sensitive ())
		308	flags |= IM_IS_SIZE_SENSITIVE;
		309	else
		310	flags &= ~IM_IS_SIZE_SENSITIVE;
		311
337	return changed;	312	return changed;
338	}	313	}
339		314
340	void	315	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	316	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	317	{
		318	int image_width = image.width ();
		319	int image_height = image.height ();
343	int target_width = szHint.width;	320	int target_width = szHint.width;
344	int target_height = szHint.height;	321	int target_height = szHint.height;
		322	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		323	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
345		324
346	w = h_scale * target_width / 100;	325	w = h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	326	h = v_scale * target_height / 100;
348		327
349	if (bg_flags & BG_KEEP_ASPECT)	328	if (image.flags & IM_KEEP_ASPECT)
350	{	329	{
351	float scale = (float)w / image_width;	330	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	331	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	332	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	333	h = image_height * scale + 0.5;
355	}	334	}
356		335
357	if (!w) w = image_width;	336	if (!w) w = image_width;
358	if (!h) h = image_height;	337	if (!h) h = image_height;
359		338
360	if (bg_flags & BG_ROOT_ALIGN)	339	if (image.flags & IM_ROOT_ALIGN)
361	{	340	{
362	x = -target_x;	341	x = -target_x;
363	y = -target_y;	342	y = -target_y;
364	}	343	}
365	else	344	else
366	{	345	{
367	x = make_align_position (h_align, target_width, w);	346	x = make_align_position (image.h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	347	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	{	348	}
394	ShadingInfo as_shade;	349	}
395	as_shade.shading = shade;
396		350
397	rgba c;	351	# if HAVE_PIXBUF
398	tint.get (c);	352	bool
399	as_shade.tintColor.red = c.r;	353	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
400	as_shade.tintColor.green = c.g;	354	int src_x, int src_y, int dst_x, int dst_y,
401	as_shade.tintColor.blue = c.b;	355	unsigned int width, unsigned int height, bool argb)
		356	{
		357	XImage *ximage;
		358	char *line;
		359	int width_r, width_g, width_b, width_a;
		360	int sh_r, sh_g, sh_b, sh_a;
		361	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		362	int rowstride;
		363	int channels;
		364	unsigned char *row;
402		365
403	background_tint = shading2tint32 (&as_shade);	366	if (visual->c_class != TrueColor)
		367	return false;
		368
		369	if (argb)
404	}	370	{
405		371	red_mask = 0xff << 16;
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	372	green_mask = 0xff << 8;
		373	blue_mask = 0xff;
		374	alpha_mask = 0xff << 24;
407	{	375	}
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	376	else
409	ASA_XImage,	377	{
410	100, ASIMAGE_QUALITY_DEFAULT);	378	red_mask = visual->red_mask;
		379	green_mask = visual->green_mask;
		380	blue_mask = visual->blue_mask;
		381	#if XRENDER
		382	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
411	if (tmp)	383	if (format)
412	{	384	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
413	destroy_asimage (&background);	385	else
414	background = tmp;	386	#endif
		387	alpha_mask = 0;
		388	}
		389
		390	width_r = ecb_popcount32 (red_mask);
		391	width_g = ecb_popcount32 (green_mask);
		392	width_b = ecb_popcount32 (blue_mask);
		393	width_a = ecb_popcount32 (alpha_mask);
		394
		395	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		396	return false;
		397
		398	sh_r = ecb_ctz32 (red_mask);
		399	sh_g = ecb_ctz32 (green_mask);
		400	sh_b = ecb_ctz32 (blue_mask);
		401	sh_a = ecb_ctz32 (alpha_mask);
		402
		403	if (width > 32767 || height > 32767)
		404	return false;
		405
		406	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		407	width, height, 32, 0);
		408	if (!ximage)
		409	return false;
		410
		411	if (height > INT_MAX / ximage->bytes_per_line
		412	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		413	{
		414	XDestroyImage (ximage);
		415	return false;
		416	}
		417
		418	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		419
		420	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		421	channels = gdk_pixbuf_get_n_channels (pixbuf);
		422	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		423	line = ximage->data;
		424
		425	rgba c (0, 0, 0);
		426
		427	if (channels == 4 && alpha_mask == 0)
		428	{
		429	pix_colors[Color_bg].get (c);
		430	c.r >>= 8;
		431	c.g >>= 8;
		432	c.b >>= 8;
		433	}
		434
		435	for (int y = 0; y < height; y++)
		436	{
		437	for (int x = 0; x < width; x++)
415	}	438	{
416	}	439	unsigned char *pixel = row + x * channels;
417	# endif	440	uint32_t value;
		441	unsigned char r, g, b, a;
418		442
419	ASImage *result = 0;	443	if (channels == 4)
		444	{
		445	a = pixel[3];
		446	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		447	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		448	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		449	}
		450	else
		451	{
		452	a = 0xff;
		453	r = pixel[0];
		454	g = pixel[1];
		455	b = pixel[2];
		456	}
		457
		458	value = ((r >> (8 - width_r)) << sh_r)
		459	| ((g >> (8 - width_g)) << sh_g)
		460	| ((b >> (8 - width_b)) << sh_b)
		461	| ((a >> (8 - width_a)) << sh_a);
		462
		463	if (ximage->bits_per_pixel == 32)
		464	((uint32_t *)line)[x] = value;
		465	else
		466	XPutPixel (ximage, x, y, value);
		467	}
		468
		469	row += rowstride;
		470	line += ximage->bytes_per_line;
		471	}
		472
		473	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		474	XDestroyImage (ximage);
		475	return true;
		476	}
		477
		478	bool
		479	rxvt_term::render_image (rxvt_image &image)
		480	{
		481	GdkPixbuf *pixbuf = image.pixbuf;
		482	if (!pixbuf)
		483	return false;
		484
		485	bool need_blend = bg_flags & BG_IS_VALID;
		486
		487	if (need_blend
		488	&& !(display->flags & DISPLAY_HAS_RENDER))
		489	return false;
		490
		491	GdkPixbuf *result;
		492
		493	int image_width = gdk_pixbuf_get_width (pixbuf);
		494	int image_height = gdk_pixbuf_get_height (pixbuf);
420		495
421	int target_width = szHint.width;	496	int target_width = szHint.width;
422	int target_height = szHint.height;	497	int target_height = szHint.height;
423	int new_pmap_width = target_width;	498	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;	499	int new_pmap_height = target_height;
…		…
426	int x = 0;	501	int x = 0;
427	int y = 0;	502	int y = 0;
428	int w = 0;	503	int w = 0;
429	int h = 0;	504	int h = 0;
430		505
431	if (original_asim)	506	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		507
434	if (!original_asim	508	if (!(image.flags & IM_ROOT_ALIGN)
435	|| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width	509	&& (x >= target_width
437	|| y >= target_height	510	|| y >= target_height
438	|| x + w <= 0	511	|| x + w <= 0
439	|| y + h <= 0)))	512	|| y + h <= 0))
440	{	513	return false;
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446		514
447	if (background_tint != TINT_LEAVE_SAME)	515	result = pixbuf;
448	{	516
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,	517	if (w != image_width
450	target_width, target_height, background_tint,	518	|| h != image_height)
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	}	519	{
		520	result = gdk_pixbuf_scale_simple (pixbuf,
		521	w, h,
		522	GDK_INTERP_BILINEAR);
		523	}
		524
		525	if (!result)
		526	return false;
		527
		528	bool ret = false;
		529
		530	XGCValues gcv;
		531	GC gc;
		532	Pixmap tmp_pixmap;
		533
		534	image_width = gdk_pixbuf_get_width (result);
		535	image_height = gdk_pixbuf_get_height (result);
		536
		537	if (need_blend)
		538	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
459	else	539	else
460	{	540	{
461	result = original_asim;	541	if (image.flags & IM_TILE)
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	}	542	{
471		543	new_pmap_width = min (image_width, target_width);
472	if (background == NULL)	544	new_pmap_height = min (image_height, target_height);
473	{	545	}
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		546
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	547	if (bg_pixmap == None
566	|| bg_pmap_width != new_pmap_width	548	|| bg_pmap_width != new_pmap_width
567	|| bg_pmap_height != new_pmap_height)	549	|| bg_pmap_height != new_pmap_height)
568	{	550	{
569	if (bg_pixmap)	551	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);	552	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	553	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;	554	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;	555	bg_pmap_height = new_pmap_height;
574	}	556	}
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		557
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;	558	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	}	559	}
778		560
779	gcv.foreground = pix_colors[Color_bg];	561	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	562	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
781		563
782	if (gc)	564	if (gc)
783	{	565	{
784	if (bg_flags & BG_TILE)	566	if (image.flags & IM_TILE)
785	{	567	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	568	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
787	pixbuf_to_pixmap (result, tile, gc,	569	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,	570	0, 0,
789	0, 0,	571	0, 0,
790	image_width, image_height);	572	image_width, image_height, need_blend);
791		573
792	gcv.tile = tile;	574	gcv.tile = tile;
793	gcv.fill_style = FillTiled;	575	gcv.fill_style = FillTiled;
794	gcv.ts_x_origin = x;	576	gcv.ts_x_origin = x;
795	gcv.ts_y_origin = y;	577	gcv.ts_y_origin = y;
796	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	578	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
797		579
798	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	580	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
799	XFreePixmap (dpy, tile);	581	XFreePixmap (dpy, tile);
800	}	582	}
801	else	583	else
802	{	584	{
803	int src_x, src_y, dst_x, dst_y;	585	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);	589	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
808		590
809	if (dst_x > 0 || dst_y > 0	591	if (dst_x > 0 || dst_y > 0
810	|| dst_x + dst_width < new_pmap_width	592	|| dst_x + dst_width < new_pmap_width
811	|| dst_y + dst_height < new_pmap_height)	593	|| dst_y + dst_height < new_pmap_height)
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	594	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813		595
814	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	596	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
815	pixbuf_to_pixmap (result, bg_pixmap, gc,	597	pixbuf_to_pixmap (result, tmp_pixmap, gc,
816	src_x, src_y,	598	src_x, src_y,
817	dst_x, dst_y,	599	dst_x, dst_y,
818	dst_width, dst_height);	600	dst_width, dst_height, need_blend);
819	}	601	}
		602
		603	if (image.need_blur ())
		604	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		605	if (image.need_tint ())
		606	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
820		607
821	#if XRENDER	608	#if XRENDER
822	if (tr_flags)	609	if (need_blend)
823	{	610	{
		611	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
824	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	612	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
825		613
826	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	614	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
827		615
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	616	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		617
830	Picture mask = create_xrender_mask (dpy, vt, False, False);	618	Picture mask = create_xrender_mask (dpy, vt, False, False);
831		619
832	XRenderColor mask_c;	620	XRenderColor mask_c;
833		621
834	mask_c.alpha = 0x8000;	622	mask_c.alpha = image.alpha;
835	mask_c.red = 0;	623	mask_c.red =
836	mask_c.green = 0;	624	mask_c.green =
837	mask_c.blue = 0;	625	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	626	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		627
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	628	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840		629
841	XRenderFreePicture (dpy, src);	630	XRenderFreePicture (dpy, src);
842	XRenderFreePicture (dpy, dst);	631	XRenderFreePicture (dpy, dst);
843	XRenderFreePicture (dpy, mask);	632	XRenderFreePicture (dpy, mask);
…		…
850	}	639	}
851		640
852	if (result != pixbuf)	641	if (result != pixbuf)
853	g_object_unref (result);	642	g_object_unref (result);
854		643
855	if (tr_flags)	644	if (need_blend)
856	XFreePixmap (dpy, root_pmap);	645	XFreePixmap (dpy, tmp_pixmap);
857		646
858	return ret;	647	return ret;
859	}	648	}
860	# endif /* HAVE_PIXBUF */	649	# endif /* HAVE_PIXBUF */
861		650
		651	rxvt_image::rxvt_image ()
		652	{
		653	alpha = 0xffff;
		654	flags = 0;
		655	h_scale =
		656	v_scale = defaultScale;
		657	h_align =
		658	v_align = defaultAlign;
		659
		660	# if HAVE_PIXBUF
		661	pixbuf = 0;
		662	# endif
		663	}
		664
862	bool	665	bool
863	rxvt_term::bg_set_file (const char *file)	666	rxvt_image::set_file_geometry (const char *file)
864	{	667	{
865	if (!file || !*file)	668	if (!file || !*file)
866	return false;	669	return false;
867		670
868	bool ret = false;
869	const char *p = strchr (file, ';');	671	const char *p = strchr (file, ';');
870		672
871	if (p)	673	if (p)
872	{	674	{
873	size_t len = p - file;	675	size_t len = p - file;
…		…
875	memcpy (f, file, len);	677	memcpy (f, file, len);
876	f[len] = '\0';	678	f[len] = '\0';
877	file = f;	679	file = f;
878	}	680	}
879		681
880	# ifdef HAVE_AFTERIMAGE	682	bool ret = set_file (file);
881	if (!asimman)	683	alpha = 0x8000;
882	asimman = create_generic_imageman (rs[Rs_path]);	684	if (ret)
883	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	685	set_geometry (p ? p + 1 : "");
884	if (image)	686	return ret;
885	{	687	}
886	if (original_asim)
887	safe_asimage_destroy (original_asim);
888	original_asim = image;
889	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
890	ret = true;
891	}
892	# endif
893		688
		689	bool
		690	rxvt_image::set_file (const char *file)
		691	{
		692	bool ret = false;
		693
894	# ifdef HAVE_PIXBUF	694	# if HAVE_PIXBUF
895	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	695	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
896	if (image)	696	if (image)
897	{	697	{
898	if (pixbuf)	698	if (pixbuf)
899	g_object_unref (pixbuf);	699	g_object_unref (pixbuf);
900	pixbuf = image;	700	pixbuf = image;
901	bg_flags |= BG_IS_FROM_FILE;
902	ret = true;	701	ret = true;
903	}	702	}
904	# endif	703	# endif
905		704
906	if (ret)	705	if (ret)
907	{	706	flags |= IM_IS_SET;
908	if (p)
909	bg_set_geometry (p + 1);
910	else
911	bg_set_default_geometry ();
912	}
913		707
914	return ret;	708	return ret;
915	}	709	}
916		710
917	# endif /* BG_IMAGE_FROM_FILE */	711	# endif /* BG_IMAGE_FROM_FILE */
918		712
919	# ifdef ENABLE_TRANSPARENCY
920	bool	713	bool
921	rxvt_term::bg_set_transparent ()	714	image_effects::set_blur (const char *geom)
922	{
923	if (!(bg_flags & BG_IS_TRANSPARENT))
924	{
925	bg_flags |= BG_IS_TRANSPARENT;
926	return true;
927	}
928
929	return false;
930	}
931
932	bool
933	rxvt_term::bg_set_blur (const char *geom)
934	{	715	{
935	bool changed = false;	716	bool changed = false;
936	unsigned int hr, vr;	717	unsigned int hr, vr;
937	int junk;	718	int junk;
938	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	719	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
955	{	736	{
956	changed = true;	737	changed = true;
957	v_blurRadius = vr;	738	v_blurRadius = vr;
958	}	739	}
959		740
960	if (v_blurRadius == 0 && h_blurRadius == 0)
961	bg_flags &= ~BG_NEEDS_BLUR;
962	else
963	bg_flags |= BG_NEEDS_BLUR;
964
965	return changed;	741	return changed;
966	}	742	}
967		743
968	void
969	rxvt_term::set_tint_shade_flags ()
970	{
971	rgba c;
972	bool has_shade = shade != 100;
973
974	bg_flags &= ~BG_TINT_FLAGS;
975
976	tint.get (c);
977
978	if (!has_shade
979	&& (c.r <= 0x00ff || c.r >= 0xff00)
980	&& (c.g <= 0x00ff || c.g >= 0xff00)
981	&& (c.b <= 0x00ff || c.b >= 0xff00))
982	bg_flags |= BG_TINT_BITAND;
983
984	if (has_shade
985	|| c.r < 0xff00
986	|| c.g < 0xff00
987	|| c.b < 0xff00)
988	bg_flags |= BG_NEEDS_TINT;
989	}
990
991	bool	744	bool
992	rxvt_term::bg_set_tint (rxvt_color &new_tint)	745	image_effects::set_tint (const rxvt_color &new_tint)
993	{	746	{
994	if (tint != new_tint)	747	if (!tint_set || tint != new_tint)
995	{	748	{
996	tint = new_tint;	749	tint = new_tint;
997	set_tint_shade_flags ();	750	tint_set = true;
		751
998	return true;	752	return true;
999	}	753	}
1000		754
1001	return false;	755	return false;
1002	}	756	}
1003		757
1004	bool	758	bool
1005	rxvt_term::bg_set_shade (const char *shade_str)	759	image_effects::set_shade (const char *shade_str)
1006	{	760	{
1007	int new_shade = atoi (shade_str);	761	int new_shade = atoi (shade_str);
1008		762
1009	clamp_it (new_shade, -100, 200);	763	clamp_it (new_shade, -100, 200);
1010	if (new_shade < 0)	764	if (new_shade < 0)
1011	new_shade = 200 - (100 + new_shade);	765	new_shade = 200 - (100 + new_shade);
1012		766
1013	if (new_shade != shade)	767	if (new_shade != shade)
1014	{	768	{
1015	shade = new_shade;	769	shade = new_shade;
1016	set_tint_shade_flags ();
1017	return true;	770	return true;
1018	}	771	}
1019		772
1020	return false;	773	return false;
1021	}	774	}
…		…
1042	params[i+2] = XDoubleToFixed (kernel[i] / sum);	795	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1043	}	796	}
1044	#endif	797	#endif
1045		798
1046	bool	799	bool
1047	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	800	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1048	{	801	{
1049	bool ret = false;	802	bool ret = false;
1050	#if XRENDER	803	#if XRENDER
1051	if (!(bg_flags & BG_HAS_RENDER_CONV))	804	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
1052	return false;	805	return false;
1053		806
1054	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	807	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1055	double *kernel = (double *)malloc (size * sizeof (double));	808	double *kernel = (double *)malloc (size * sizeof (double));
1056	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	809	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1057		810
1058	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	811	XRenderPictureAttributes pa;
		812	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		813	: XRenderFindVisualFormat (dpy, visual);
1059		814
		815	pa.repeat = RepeatPad;
1060	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	816	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		817	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1061	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	818	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		819	XFreePixmap (dpy, tmp);
1062		820
1063	if (kernel && params)	821	if (kernel && params)
1064	{	822	{
1065	if (h_blurRadius)
1066	{
1067	size = h_blurRadius * 2 + 1;	823	size = h_blurRadius * 2 + 1;
1068	get_gaussian_kernel (h_blurRadius, size, kernel, params);	824	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1069		825
1070	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	826	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1071	XRenderComposite (dpy,	827	XRenderComposite (dpy,
1072	PictOpSrc,	828	PictOpSrc,
1073	src,	829	src,
1074	None,	830	None,
1075	dst,	831	dst,
1076	0, 0,	832	0, 0,
1077	0, 0,	833	0, 0,
1078	0, 0,	834	0, 0,
1079	width, height);	835	width, height);
1080	}
1081		836
1082	if (v_blurRadius)	837	::swap (src, dst);
1083	{	838
1084	size = v_blurRadius * 2 + 1;	839	size = v_blurRadius * 2 + 1;
1085	get_gaussian_kernel (v_blurRadius, size, kernel, params);	840	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1086	::swap (params[0], params[1]);	841	::swap (params[0], params[1]);
1087		842
1088	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	843	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1089	XRenderComposite (dpy,	844	XRenderComposite (dpy,
1090	PictOpSrc,	845	PictOpSrc,
1091	src,	846	src,
1092	None,	847	None,
1093	dst,	848	dst,
1094	0, 0,	849	0, 0,
1095	0, 0,	850	0, 0,
1096	0, 0,	851	0, 0,
1097	width, height);	852	width, height);
1098	}
1099		853
1100	ret = true;	854	ret = true;
1101	}	855	}
1102		856
1103	free (kernel);	857	free (kernel);
…		…
1107	#endif	861	#endif
1108	return ret;	862	return ret;
1109	}	863	}
1110		864
1111	bool	865	bool
1112	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	866	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1113	{	867	{
1114	bool ret = false;	868	bool ret = false;
1115		869
1116	if (bg_flags & BG_TINT_BITAND)	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		871
		872	if (tint_set)
		873	tint.get (c);
		874
		875	if (shade == 100
		876	&& (c.r <= 0x00ff || c.r >= 0xff00)
		877	&& (c.g <= 0x00ff || c.g >= 0xff00)
		878	&& (c.b <= 0x00ff || c.b >= 0xff00))
1117	{	879	{
1118	XGCValues gcv;	880	XGCValues gcv;
1119	GC gc;	881	GC gc;
1120		882
1121	/* In this case we can tint image server-side getting significant	883	/* In this case we can tint image server-side getting significant
…		…
1131	ret = true;	893	ret = true;
1132	XFreeGC (dpy, gc);	894	XFreeGC (dpy, gc);
1133	}	895	}
1134	}	896	}
1135	# if XRENDER	897	# if XRENDER
1136	else if (bg_flags & BG_HAS_RENDER)	898	else if (display->flags & DISPLAY_HAS_RENDER)
1137	{	899	{
1138	rgba c;
1139
1140	tint.get (c);
1141
1142	if (shade <= 100)	900	if (shade <= 100)
1143	{	901	{
1144	c.r = c.r * shade / 100;	902	c.r = c.r * shade / 100;
1145	c.g = c.g * shade / 100;	903	c.g = c.g * shade / 100;
1146	c.b = c.b * shade / 100;	904	c.b = c.b * shade / 100;
…		…
1150	c.r = c.r * (200 - shade) / 100;	908	c.r = c.r * (200 - shade) / 100;
1151	c.g = c.g * (200 - shade) / 100;	909	c.g = c.g * (200 - shade) / 100;
1152	c.b = c.b * (200 - shade) / 100;	910	c.b = c.b * (200 - shade) / 100;
1153	}	911	}
1154		912
1155	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	913	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		914	: XRenderFindVisualFormat (dpy, visual);
1156		915
1157	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	916	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1158		917
1159	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	918	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1160		919
…		…
1171	mask_c.alpha = 0;	930	mask_c.alpha = 0;
1172	mask_c.red = 0xffff - c.r;	931	mask_c.red = 0xffff - c.r;
1173	mask_c.green = 0xffff - c.g;	932	mask_c.green = 0xffff - c.g;
1174	mask_c.blue = 0xffff - c.b;	933	mask_c.blue = 0xffff - c.b;
1175	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	934	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		935
1176	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	936	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1177		937
1178	if (shade > 100)	938	if (shade > 100)
1179	{	939	{
1180	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1181	mask_c.alpha = 0;	940	mask_c.alpha = 0;
		941	mask_c.red =
		942	mask_c.green =
		943	mask_c.blue = 0xffff * (shade - 100) / 100;
1182	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	944	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1183		945
1184	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	946	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1185	}	947	}
1186		948
…		…
1193	# endif	955	# endif
1194		956
1195	return ret;	957	return ret;
1196	}	958	}
1197		959
		960	# if ENABLE_TRANSPARENCY
1198	/*	961	/*
1199	* Builds a pixmap of the same size as the terminal window that contains	962	* Builds a pixmap of the same size as the terminal window that contains
1200	* the tiled portion of the root pixmap that is supposed to be covered by	963	* the tiled portion of the root pixmap that is supposed to be covered by
1201	* our window.	964	* our window.
1202	*/	965	*/
1203	unsigned long	966	bool
1204	rxvt_term::make_transparency_pixmap ()	967	rxvt_term::render_root_image ()
1205	{	968	{
1206	unsigned long result = 0;	969	bool ret = false;
1207		970
1208	/* root dimensions may change from call to call - but Display structure should	971	/* root dimensions may change from call to call - but Display structure should
1209	* be always up-to-date, so let's use it :	972	* be always up-to-date, so let's use it :
1210	*/	973	*/
1211	int screen = display->screen;	974	int screen = display->screen;
…		…
1245	Pixmap recoded_root_pmap = root_pixmap;	1008	Pixmap recoded_root_pmap = root_pixmap;
1246		1009
1247	if (root_pixmap != None && root_depth != depth)	1010	if (root_pixmap != None && root_depth != depth)
1248	{	1011	{
1249	#if XRENDER	1012	#if XRENDER
1250	if (bg_flags & BG_HAS_RENDER)	1013	if (display->flags & DISPLAY_HAS_RENDER)
1251	{	1014	{
1252	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1015	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1253		1016
1254	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1017	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1255	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);	1018	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1055	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1056
1294	if (gc)	1057	if (gc)
1295	{	1058	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1059	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1060	ret = true;
		1061	bool need_blur = root_effects.need_blur ();
		1062	bool need_tint = root_effects.need_tint ();
1298		1063
1299	if (!(bg_flags & BG_CLIENT_RENDER))	1064	if (need_blur)
		1065	{
		1066	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1067	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1068	need_blur = false;
1300	{	1069	}
1301	if (bg_flags & BG_NEEDS_BLUR)	1070	if (need_tint)
		1071	{
		1072	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1073	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1074	need_tint = false;
		1075	}
		1076	if (need_tint)
		1077	{
		1078	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1079	if (ximage)
1302	{	1080	{
1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1081	/* our own client-side tinting */
1304	result &= ~BG_NEEDS_BLUR;	1082	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1083
		1084	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1085	XDestroyImage (ximage);
1305	}	1086	}
1306	if (bg_flags & BG_NEEDS_TINT)
1307	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1309	result &= ~BG_NEEDS_TINT;
1310	}	1087	}
1311	# ifndef HAVE_AFTERIMAGE
1312	if (result & BG_NEEDS_TINT)
1313	{
1314	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1315	if (ximage)
1316	{
1317	/* our own client-side tinting */
1318	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1319
1320	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	XDestroyImage (ximage);
1322	}
1323	}
1324	# endif
1325	} /* server side rendering completed */
1326		1088
1327	XFreeGC (dpy, gc);	1089	XFreeGC (dpy, gc);
1328	}	1090	}
1329		1091
1330	if (recoded_root_pmap != root_pixmap)	1092	if (recoded_root_pmap != root_pixmap)
1331	XFreePixmap (dpy, recoded_root_pmap);	1093	XFreePixmap (dpy, recoded_root_pmap);
1332		1094
1333	return result;	1095	return ret;
1334	}	1096	}
1335		1097
1336	void	1098	void
1337	rxvt_term::bg_set_root_pixmap ()	1099	rxvt_term::bg_set_root_pixmap ()
1338	{	1100	{
1339	Pixmap new_root_pixmap = get_pixmap_property (xa[XA_XROOTPMAP_ID]);	1101	Pixmap new_root_pixmap = display->get_pixmap_property (xa[XA_XROOTPMAP_ID]);
1340	if (new_root_pixmap == None)	1102	if (new_root_pixmap == None)
1341	new_root_pixmap = get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);	1103	new_root_pixmap = display->get_pixmap_property (xa[XA_ESETROOT_PMAP_ID]);
1342		1104
1343	root_pixmap = new_root_pixmap;	1105	root_pixmap = new_root_pixmap;
1344	}	1106	}
1345	# endif /* ENABLE_TRANSPARENCY */	1107	# endif /* ENABLE_TRANSPARENCY */
1346		1108
1347	bool	1109	void
1348	rxvt_term::bg_render ()	1110	rxvt_term::bg_render ()
1349	{	1111	{
1350	unsigned long tr_flags = 0;	1112	if (bg_flags & BG_INHIBIT_RENDER)
		1113	return;
1351		1114
1352	bg_invalidate ();	1115	bg_invalidate ();
1353	# ifdef ENABLE_TRANSPARENCY	1116	# if ENABLE_TRANSPARENCY
1354	if (bg_flags & BG_IS_TRANSPARENT)	1117	if (bg_flags & BG_IS_TRANSPARENT)
1355	{	1118	{
1356	/* we need to re-generate transparency pixmap in that case ! */	1119	/* we need to re-generate transparency pixmap in that case ! */
1357	tr_flags = make_transparency_pixmap ();	1120	if (render_root_image ())
1358	if (tr_flags == 0)
1359	return false;
1360	bg_flags |= BG_IS_VALID;	1121	bg_flags |= BG_IS_VALID;
1361	}	1122	}
1362	# endif	1123	# endif
1363		1124
1364	# ifdef BG_IMAGE_FROM_FILE	1125	# if BG_IMAGE_FROM_FILE
1365	if ((bg_flags & BG_IS_FROM_FILE)	1126	if (fimage.flags & IM_IS_SET)
1366	|| (tr_flags & BG_EFFECTS_FLAGS))
1367	{	1127	{
1368	if (render_image (tr_flags))	1128	if (render_image (fimage))
1369	bg_flags |= BG_IS_VALID;	1129	bg_flags |= BG_IS_VALID;
1370	}	1130	}
1371	# endif	1131	# endif
1372		1132
1373	if (!(bg_flags & BG_IS_VALID))	1133	if (!(bg_flags & BG_IS_VALID))
…		…
1381		1141
1382	scr_recolour (false);	1142	scr_recolour (false);
1383	bg_flags |= BG_NEEDS_REFRESH;	1143	bg_flags |= BG_NEEDS_REFRESH;
1384		1144
1385	bg_valid_since = ev::now ();	1145	bg_valid_since = ev::now ();
1386
1387	return true;
1388	}	1146	}
1389		1147
1390	void	1148	void
1391	rxvt_term::bg_init ()	1149	rxvt_term::bg_init ()
1392	{	1150	{
1393	#ifdef ENABLE_TRANSPARENCY	1151	#if BG_IMAGE_FROM_FILE
1394	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1152	if (rs[Rs_backgroundPixmap])
1395	tint.set (this, c);	1153	{
1396	shade = 100;	1154	if (fimage.set_file_geometry (rs[Rs_backgroundPixmap])
		1155	&& !bg_window_position_sensitive ())
		1156	update_background ();
		1157	}
1397	#endif	1158	#endif
1398
1399	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1400	#if XRENDER
1401	int major, minor;
1402	if (XRenderQueryVersion (dpy, &major, &minor))
1403	bg_flags |= BG_HAS_RENDER;
1404	XFilters *filters = XRenderQueryFilters (dpy, vt);
1405	if (filters)
1406	{
1407	for (int i = 0; i < filters->nfilter; i++)
1408	if (!strcmp (filters->filter[i], FilterConvolution))
1409	bg_flags |= BG_HAS_RENDER_CONV;
1410
1411	XFree (filters);
1412	}
1413	#endif
1414	}	1159	}
1415		1160
1416	#endif /* HAVE_BG_PIXMAP */
1417
1418	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1419	/* based on code from aterm-0.4.2 */	1161	/* based on code from aterm-0.4.2 */
1420		1162
1421	static inline void	1163	static inline void
1422	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1164	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1423	{	1165	{
…		…
1429	lookup[i] = (tmp / 0xffff) << sh;	1171	lookup[i] = (tmp / 0xffff) << sh;
1430	}	1172	}
1431	}	1173	}
1432		1174
1433	void	1175	void
1434	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1176	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1435	{	1177	{
		1178	unsigned int size_r, size_g, size_b;
1436	int sh_r, sh_g, sh_b;	1179	int sh_r, sh_g, sh_b;
1437	uint32_t mask_r, mask_g, mask_b;	1180	uint32_t mask_r, mask_g, mask_b;
1438	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1181	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1439	unsigned short low;	1182	unsigned short low;
1440	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1183	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1445	mask_r = visual->red_mask;	1188	mask_r = visual->red_mask;
1446	mask_g = visual->green_mask;	1189	mask_g = visual->green_mask;
1447	mask_b = visual->blue_mask;	1190	mask_b = visual->blue_mask;
1448		1191
1449	/* boring lookup table pre-initialization */	1192	/* boring lookup table pre-initialization */
1450	switch (ximage->depth)	1193	sh_r = ecb_ctz32 (mask_r);
1451	{	1194	sh_g = ecb_ctz32 (mask_g);
1452	case 15:	1195	sh_b = ecb_ctz32 (mask_b);
1453	if ((mask_r != 0x7c00) ||	1196
1454	(mask_g != 0x03e0) ||	1197	size_r = mask_r >> sh_r;
1455	(mask_b != 0x001f))	1198	size_g = mask_g >> sh_g;
		1199	size_b = mask_b >> sh_b;
		1200
		1201	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1456	return;	1202	return;
1457	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1203
		1204	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1458	lookup_r = lookup;	1205	lookup_r = lookup;
1459	lookup_g = lookup+32;	1206	lookup_g = lookup + size_r;
1460	lookup_b = lookup+32+32;	1207	lookup_b = lookup + size_r + size_g;
1461	sh_r = 10;
1462	sh_g = 5;
1463	sh_b = 0;
1464	break;
1465	case 16:
1466	if ((mask_r != 0xf800) ||
1467	(mask_g != 0x07e0) ||
1468	(mask_b != 0x001f))
1469	return;
1470	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1471	lookup_r = lookup;
1472	lookup_g = lookup+32;
1473	lookup_b = lookup+32+64;
1474	sh_r = 11;
1475	sh_g = 5;
1476	sh_b = 0;
1477	break;
1478	case 24:
1479	if ((mask_r != 0xff0000) ||
1480	(mask_g != 0x00ff00) ||
1481	(mask_b != 0x0000ff))
1482	return;
1483	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1484	lookup_r = lookup;
1485	lookup_g = lookup+256;
1486	lookup_b = lookup+256+256;
1487	sh_r = 16;
1488	sh_g = 8;
1489	sh_b = 0;
1490	break;
1491	case 32:
1492	if ((mask_r != 0xff0000) ||
1493	(mask_g != 0x00ff00) ||
1494	(mask_b != 0x0000ff))
1495	return;
1496	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1497	lookup_r = lookup;
1498	lookup_g = lookup+256;
1499	lookup_b = lookup+256+256;
1500	sh_r = 16;
1501	sh_g = 8;
1502	sh_b = 0;
1503	break;
1504	default:
1505	return; /* we do not support this color depth */
1506	}
1507		1208
1508	rgba c;	1209	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1509		1210
		1211	if (tint_set)
1510	tint.get (c);	1212	tint.get (c);
1511		1213
1512	/* prepare limits for color transformation (each channel is handled separately) */	1214	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1215	if (shade > 100)
1514	{	1216	{
1515	c.r = c.r * (200 - shade) / 100;	1217	c.r = c.r * (200 - shade) / 100;
…		…
1532	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1234	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1533	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1235	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1534		1236
1535	/* apply table to input image (replacing colors by newly calculated ones) */	1237	/* apply table to input image (replacing colors by newly calculated ones) */
1536	if (ximage->bits_per_pixel == 32	1238	if (ximage->bits_per_pixel == 32
1537	&& (ximage->depth == 24 || ximage->depth == 32)
1538	&& ximage->byte_order == host_byte_order)	1239	&& ximage->byte_order == host_byte_order)
1539	{	1240	{
1540	uint32_t *p1, *pf, *p, *pl;	1241	char *line = ximage->data;
1541	p1 = (uint32_t *) ximage->data;
1542	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1543		1242
1544	while (p1 < pf)	1243	for (int y = 0; y < ximage->height; y++)
1545	{	1244	{
1546	p = p1;	1245	uint32_t *p = (uint32_t *)line;
1547	pl = p1 + ximage->width;	1246	for (int x = 0; x < ximage->width; x++)
1548	for (; p < pl; p++)
1549	{	1247	{
1550	*p = lookup_r[(*p & 0xff0000) >> 16] |	1248	*p = lookup_r[(*p & mask_r) >> sh_r] |
1551	lookup_g[(*p & 0x00ff00) >> 8] |	1249	lookup_g[(*p & mask_g) >> sh_g] |
1552	lookup_b[(*p & 0x0000ff)] |	1250	lookup_b[(*p & mask_b) >> sh_b];
1553	(*p & 0xff000000);	1251	p++;
1554	}	1252	}
1555	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1253	line += ximage->bytes_per_line;
1556	}	1254	}
1557	}	1255	}
1558	else	1256	else
1559	{	1257	{
1560	for (int y = 0; y < ximage->height; y++)	1258	for (int y = 0; y < ximage->height; y++)
…		…
1568	}	1266	}
1569	}	1267	}
1570		1268
1571	free (lookup);	1269	free (lookup);
1572	}	1270	}
1573	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1271
		1272	#endif /* HAVE_BG_PIXMAP */

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