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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.189 by sf-exg, Thu Dec 29 16:45:22 2011 UTC vs.
Revision 1.230 by sf-exg, Sun Jun 3 15:50:22 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	63	# ifdef BG_IMAGE_FROM_FILE
60	if (original_asim)	64	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
61	safe_asimage_destroy (original_asim);	65	bg_image->destroy ();
62	if (asv)
63	destroy_asvisual (asv, 0);
64	if (asimman)
65	destroy_image_manager (asimman, 0);
66	#endif	66	# endif
67
68	#ifdef HAVE_PIXBUF
69	if (pixbuf)
70	g_object_unref (pixbuf);
71	#endif
72		67
73	if (bg_pixmap)	68	if (bg_pixmap)
74	XFreePixmap (dpy, bg_pixmap);	69	XFreePixmap (dpy, bg_pixmap);
75	}	70	}
76		71
…		…
95	if (bg_flags & BG_IS_TRANSPARENT)	90	if (bg_flags & BG_IS_TRANSPARENT)
96	return true;	91	return true;
97	# endif	92	# endif
98		93
99	# ifdef BG_IMAGE_FROM_FILE	94	# ifdef BG_IMAGE_FROM_FILE
100	if (bg_flags & BG_IS_FROM_FILE)	95	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
101	{	96	{
102	if (bg_flags & BG_IS_SIZE_SENSITIVE)	97	if ((bg_image->flags & IM_IS_SIZE_SENSITIVE)
		98	|| bg_image->width () > szHint.width
		99	|| bg_image->height () > szHint.height)
103	return true;	100	return true;
104	}	101	}
105	# endif	102	# endif
106		103
107	return false;	104	return false;
…		…
114	if (bg_flags & BG_IS_TRANSPARENT)	111	if (bg_flags & BG_IS_TRANSPARENT)
115	return true;	112	return true;
116	# endif	113	# endif
117		114
118	# ifdef BG_IMAGE_FROM_FILE	115	# ifdef BG_IMAGE_FROM_FILE
119	if (bg_flags & BG_IS_FROM_FILE)	116	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
120	{	117	{
121	if (bg_flags & BG_ROOT_ALIGN)	118	if (bg_image->flags & IM_ROOT_ALIGN)
122	return true;	119	return true;
123	}	120	}
124	# endif	121	# endif
125		122
126	return false;	123	return false;
127	}	124	}
128		125
129	# ifdef BG_IMAGE_FROM_FILE	126	# 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	127	static inline int
165	make_align_position (int align, int window_size, int image_size)	128	make_align_position (int align, int window_size, int image_size)
166	{	129	{
167	int diff = window_size - image_size;
168	int smaller = min (image_size, window_size);
169
170	if (align >= 0 && align <= 100)	130	if (align >= 0 && align <= 100)
171	return diff * align / 100;	131	return lerp (0, window_size - image_size, align);
172	else if (align > 100 && align <= 200)	132	else if (align > 100)
173	return (align - 100) * smaller / 100 + window_size - smaller;	133	return lerp (window_size - image_size, window_size, align - 100);
174	else if (align >= -100 && align < 0)	134	else
175	return (align + 100) * smaller / 100 - image_size;	135	return lerp (-image_size, 0, align + 100);
176	return 0;
177	}	136	}
178		137
179	static inline int	138	static inline int
180	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	139	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
181	{	140	{
…		…
187	src_pos = -pos;	146	src_pos = -pos;
188	dst_pos = 0;	147	dst_pos = 0;
189	dst_size += pos;	148	dst_size += pos;
190	}	149	}
191		150
192	if (dst_pos + dst_size > target_size)
193	dst_size = target_size - dst_pos;	151	min_it (dst_size, target_size - dst_pos);
194	return src_pos;	152	return src_pos;
195	}	153	}
196		154
		155	static void
		156	parse_style (const char *style, int &x, int &y, unsigned int &w, unsigned int &h, uint8_t &flags)
		157	{
		158	if (!strcasecmp (style, "tiled"))
		159	{
		160	flags = IM_TILE;
		161	w = h = noScale;
		162	x = y = 0;
		163	}
		164	else if (!strcasecmp (style, "aspect-stretched"))
		165	{
		166	flags = IM_KEEP_ASPECT;
		167	w = h = windowScale;
		168	x = y = centerAlign;
		169	}
		170	else if (!strcasecmp (style, "stretched"))
		171	{
		172	flags = 0;
		173	w = h = windowScale;
		174	x = y = centerAlign;
		175	}
		176	else if (!strcasecmp (style, "centered"))
		177	{
		178	flags = 0;
		179	w = h = noScale;
		180	x = y = centerAlign;
		181	}
		182	else if (!strcasecmp (style, "root-tiled"))
		183	{
		184	flags = IM_TILE|IM_ROOT_ALIGN;
		185	w = h = noScale;
		186	x = y = 0;
		187	}
		188	}
		189
197	bool	190	bool
198	rxvt_term::bg_set_geometry (const char *geom, bool update)	191	rxvt_image::set_geometry (const char *geom, bool update)
199	{	192	{
200	bool changed = false;	193	bool changed = false;
201	int geom_flags = 0;	194	int geom_flags = 0;
202	int x = 0, y = 0;	195	int x = h_align;
		196	int y = v_align;
203	unsigned int w = 0, h = 0;	197	unsigned int w = h_scale;
204	unsigned long new_flags = 0;	198	unsigned int h = v_scale;
		199	uint8_t new_flags = 0;
205		200
206	if (geom == NULL)	201	if (geom == NULL)
207	return false;	202	return false;
208		203
209	if (geom[0])	204	if (geom[0])
210	{	205	{
211	char **arr = rxvt_strsplit (':', geom);	206	char **arr = rxvt_strsplit (':', geom);
212		207
213	for (int i = 0; arr[i]; i++)	208	for (int i = 0; arr[i]; i++)
214	{	209	{
215	if (!strcasecmp (arr[i], "style=tiled"))	210	if (!strncasecmp (arr[i], "style=", 6))
216	{	211	{
217	new_flags = BG_TILE;	212	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;	213	geom_flags = WidthValue|HeightValue|XValue|YValue;
221	}	214	}
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"))	215	else if (!strcasecmp (arr[i], "op=tile"))
249	new_flags |= BG_TILE;	216	new_flags |= IM_TILE;
250	else if (!strcasecmp (arr[i], "op=keep-aspect"))	217	else if (!strcasecmp (arr[i], "op=keep-aspect"))
251	new_flags |= BG_KEEP_ASPECT;	218	new_flags |= IM_KEEP_ASPECT;
252	else if (!strcasecmp (arr[i], "op=root-align"))	219	else if (!strcasecmp (arr[i], "op=root-align"))
253	new_flags |= BG_ROOT_ALIGN;	220	new_flags |= IM_ROOT_ALIGN;
254		221
255	// deprecated	222	// deprecated
256	else if (!strcasecmp (arr[i], "tile"))	223	else if (!strcasecmp (arr[i], "tile"))
257	{	224	{
258	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
259	w = h = noScale;	226	w = h = noScale;
260	geom_flags |= WidthValue|HeightValue;	227	geom_flags |= WidthValue|HeightValue;
261	}	228	}
262	else if (!strcasecmp (arr[i], "propscale"))	229	else if (!strcasecmp (arr[i], "propscale"))
263	{	230	{
264	new_flags |= BG_KEEP_ASPECT;	231	new_flags |= IM_KEEP_ASPECT;
265	w = h = windowScale;	232	w = h = windowScale;
266	geom_flags |= WidthValue|HeightValue;	233	geom_flags |= WidthValue|HeightValue;
267	}	234	}
268	else if (!strcasecmp (arr[i], "hscale"))	235	else if (!strcasecmp (arr[i], "hscale"))
269	{	236	{
270	new_flags |= BG_TILE;	237	new_flags |= IM_TILE;
271	w = windowScale;	238	w = windowScale;
272	h = noScale;	239	h = noScale;
273	geom_flags |= WidthValue|HeightValue;	240	geom_flags |= WidthValue|HeightValue;
274	}	241	}
275	else if (!strcasecmp (arr[i], "vscale"))	242	else if (!strcasecmp (arr[i], "vscale"))
276	{	243	{
277	new_flags |= BG_TILE;	244	new_flags |= IM_TILE;
278	h = windowScale;	245	h = windowScale;
279	w = noScale;	246	w = noScale;
280	geom_flags |= WidthValue|HeightValue;	247	geom_flags |= WidthValue|HeightValue;
281	}	248	}
282	else if (!strcasecmp (arr[i], "scale"))	249	else if (!strcasecmp (arr[i], "scale"))
…		…
290	x = y = centerAlign;	257	x = y = centerAlign;
291	geom_flags |= WidthValue|HeightValue|XValue|YValue;	258	geom_flags |= WidthValue|HeightValue|XValue|YValue;
292	}	259	}
293	else if (!strcasecmp (arr[i], "root"))	260	else if (!strcasecmp (arr[i], "root"))
294	{	261	{
295	new_flags |= BG_TILE|BG_ROOT_ALIGN;	262	new_flags |= IM_TILE|IM_ROOT_ALIGN;
296	w = h = noScale;	263	w = h = noScale;
297	geom_flags |= WidthValue|HeightValue;	264	geom_flags |= WidthValue|HeightValue;
298	}	265	}
299		266
300	else	267	else
…		…
302	} /* done parsing ops */	269	} /* done parsing ops */
303		270
304	rxvt_free_strsplit (arr);	271	rxvt_free_strsplit (arr);
305	}	272	}
306		273
307	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;	274	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
308		275
309	if (!update)	276	if (!update)
310	{	277	{
311	if (!(geom_flags & XValue))	278	if (!(geom_flags & XValue))
312	x = y = defaultAlign;	279	x = y = defaultAlign;
…		…
317	w = h = defaultScale;	284	w = h = defaultScale;
318	else if (!(geom_flags & HeightValue))	285	else if (!(geom_flags & HeightValue))
319	h = w;	286	h = w;
320	else if (!(geom_flags & WidthValue))	287	else if (!(geom_flags & WidthValue))
321	w = h;	288	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	{	289	}
		290
		291	clamp_it (x, -100, 200);
		292	clamp_it (y, -100, 200);
		293
		294	if (flags != new_flags
		295	|| h_scale != w
		296	|| v_scale != h
		297	|| h_align != x
		298	|| v_align != y)
		299	{
333	bg_flags = new_flags;	300	flags = new_flags;
		301	h_scale = w;
		302	v_scale = h;
		303	h_align = x;
		304	v_align = y;
334	changed = true;	305	changed = true;
335	}	306	}
336		307
		308	if (is_size_sensitive ())
		309	flags |= IM_IS_SIZE_SENSITIVE;
		310	else
		311	flags &= ~IM_IS_SIZE_SENSITIVE;
		312
337	return changed;	313	return changed;
338	}	314	}
339		315
340	void	316	void
341	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	317	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
342	{	318	{
		319	int image_width = image.width ();
		320	int image_height = image.height ();
343	int target_width = szHint.width;	321	int target_width = szHint.width;
344	int target_height = szHint.height;	322	int target_height = szHint.height;
		323	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		324	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
345		325
346	w = h_scale * target_width / 100;	326	w = h_scale * target_width / 100;
347	h = v_scale * target_height / 100;	327	h = v_scale * target_height / 100;
348		328
349	if (bg_flags & BG_KEEP_ASPECT)	329	if (image.flags & IM_KEEP_ASPECT)
350	{	330	{
351	float scale = (float)w / image_width;	331	float scale = (float)w / image_width;
352	min_it (scale, (float)h / image_height);	332	min_it (scale, (float)h / image_height);
353	w = image_width * scale + 0.5;	333	w = image_width * scale + 0.5;
354	h = image_height * scale + 0.5;	334	h = image_height * scale + 0.5;
355	}	335	}
356		336
357	if (!w) w = image_width;	337	if (!w) w = image_width;
358	if (!h) h = image_height;	338	if (!h) h = image_height;
359		339
360	if (bg_flags & BG_ROOT_ALIGN)	340	if (image.flags & IM_ROOT_ALIGN)
361	{	341	{
362	x = -target_x;	342	x = -target_x;
363	y = -target_y;	343	y = -target_y;
364	}	344	}
365	else	345	else
366	{	346	{
367	x = make_align_position (h_align, target_width, w);	347	x = make_align_position (image.h_align, target_width, w);
368	y = make_align_position (v_align, target_height, h);	348	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	{	349	}
394	ShadingInfo as_shade;	350	}
395	as_shade.shading = shade;
396		351
397	rgba c;	352	# ifdef HAVE_PIXBUF
398	tint.get (c);	353	bool
399	as_shade.tintColor.red = c.r;	354	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
400	as_shade.tintColor.green = c.g;	355	int src_x, int src_y, int dst_x, int dst_y,
401	as_shade.tintColor.blue = c.b;	356	unsigned int width, unsigned int height, bool argb)
		357	{
		358	XImage *ximage;
		359	char *line;
		360	int width_r, width_g, width_b, width_a;
		361	int sh_r, sh_g, sh_b, sh_a;
		362	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		363	int rowstride;
		364	int channels;
		365	unsigned char *row;
402		366
403	background_tint = shading2tint32 (&as_shade);	367	if (visual->c_class != TrueColor)
		368	return false;
		369
		370	if (argb)
404	}	371	{
405		372	red_mask = 0xff << 16;
406	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	373	green_mask = 0xff << 8;
		374	blue_mask = 0xff;
		375	alpha_mask = 0xff << 24;
407	{	376	}
408	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	377	else
409	ASA_XImage,	378	{
410	100, ASIMAGE_QUALITY_DEFAULT);	379	red_mask = visual->red_mask;
		380	green_mask = visual->green_mask;
		381	blue_mask = visual->blue_mask;
		382	#if XRENDER
		383	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
411	if (tmp)	384	if (format)
412	{	385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
413	destroy_asimage (&background);	386	else
414	background = tmp;	387	#endif
		388	alpha_mask = 0;
		389	}
		390
		391	width_r = ecb_popcount32 (red_mask);
		392	width_g = ecb_popcount32 (green_mask);
		393	width_b = ecb_popcount32 (blue_mask);
		394	width_a = ecb_popcount32 (alpha_mask);
		395
		396	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		397	return false;
		398
		399	sh_r = ecb_ctz32 (red_mask);
		400	sh_g = ecb_ctz32 (green_mask);
		401	sh_b = ecb_ctz32 (blue_mask);
		402	sh_a = ecb_ctz32 (alpha_mask);
		403
		404	if (width > 32767 || height > 32767)
		405	return false;
		406
		407	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		408	width, height, 32, 0);
		409	if (!ximage)
		410	return false;
		411
		412	if (height > INT_MAX / ximage->bytes_per_line
		413	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		414	{
		415	XDestroyImage (ximage);
		416	return false;
		417	}
		418
		419	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		420
		421	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		422	channels = gdk_pixbuf_get_n_channels (pixbuf);
		423	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		424	line = ximage->data;
		425
		426	rgba c (0, 0, 0);
		427
		428	if (channels == 4 && alpha_mask == 0)
		429	{
		430	pix_colors[Color_bg].get (c);
		431	c.r >>= 8;
		432	c.g >>= 8;
		433	c.b >>= 8;
		434	}
		435
		436	for (int y = 0; y < height; y++)
		437	{
		438	for (int x = 0; x < width; x++)
415	}	439	{
416	}	440	unsigned char *pixel = row + x * channels;
417	# endif	441	uint32_t value;
		442	unsigned char r, g, b, a;
418		443
419	ASImage *result = 0;	444	if (channels == 4)
		445	{
		446	a = pixel[3];
		447	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		448	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		449	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		450	}
		451	else
		452	{
		453	a = 0xff;
		454	r = pixel[0];
		455	g = pixel[1];
		456	b = pixel[2];
		457	}
		458
		459	value = ((r >> (8 - width_r)) << sh_r)
		460	| ((g >> (8 - width_g)) << sh_g)
		461	| ((b >> (8 - width_b)) << sh_b)
		462	| ((a >> (8 - width_a)) << sh_a);
		463
		464	if (ximage->bits_per_pixel == 32)
		465	((uint32_t *)line)[x] = value;
		466	else
		467	XPutPixel (ximage, x, y, value);
		468	}
		469
		470	row += rowstride;
		471	line += ximage->bytes_per_line;
		472	}
		473
		474	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		475	XDestroyImage (ximage);
		476	return true;
		477	}
		478
		479	bool
		480	rxvt_term::render_image (rxvt_image &image)
		481	{
		482	GdkPixbuf *pixbuf = image.pixbuf;
		483	if (!pixbuf)
		484	return false;
		485
		486	bool need_blend = bg_flags & BG_IS_VALID;
		487
		488	if (need_blend
		489	&& !(display->flags & DISPLAY_HAS_RENDER))
		490	return false;
		491
		492	GdkPixbuf *result;
		493
		494	int image_width = gdk_pixbuf_get_width (pixbuf);
		495	int image_height = gdk_pixbuf_get_height (pixbuf);
420		496
421	int target_width = szHint.width;	497	int target_width = szHint.width;
422	int target_height = szHint.height;	498	int target_height = szHint.height;
423	int new_pmap_width = target_width;	499	int new_pmap_width = target_width;
424	int new_pmap_height = target_height;	500	int new_pmap_height = target_height;
…		…
426	int x = 0;	502	int x = 0;
427	int y = 0;	503	int y = 0;
428	int w = 0;	504	int w = 0;
429	int h = 0;	505	int h = 0;
430		506
431	if (original_asim)	507	get_image_geometry (image, w, h, x, y);
432	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
433		508
434	if (!original_asim	509	if (!(image.flags & IM_ROOT_ALIGN)
435	|| (!(bg_flags & BG_ROOT_ALIGN)
436	&& (x >= target_width	510	&& (x >= target_width
437	|| y >= target_height	511	|| y >= target_height
438	|| x + w <= 0	512	|| x + w <= 0
439	|| y + h <= 0)))	513	|| y + h <= 0))
440	{	514	return false;
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	result = pixbuf;
448	{	517
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,	518	if (w != image_width
450	target_width, target_height, background_tint,	519	|| 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	}	520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
		524	}
		525
		526	if (!result)
		527	return false;
		528
		529	bool ret = false;
		530
		531	XGCValues gcv;
		532	GC gc;
		533	Pixmap tmp_pixmap;
		534
		535	image_width = gdk_pixbuf_get_width (result);
		536	image_height = gdk_pixbuf_get_height (result);
		537
		538	if (need_blend)
		539	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
459	else	540	else
460	{	541	{
461	result = original_asim;	542	// optimise bg pixmap size when tiling, but only if there are no
462		543	// other pixbufs to render. Otherwise, the bg pixmap size must
463	if (w != original_asim->width	544	// be equal to the window size.
464	|| h != original_asim->height)	545	if ((image.flags & IM_TILE)
465	{	546	&& image_vec.size () == 1)
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}	547	{
471		548	new_pmap_width = min (image_width, target_width);
472	if (background == NULL)	549	new_pmap_height = min (image_height, target_height);
473	{	550	}
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		551
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	552	if (bg_pixmap == None
566	|| bg_pmap_width != new_pmap_width	553	|| bg_pmap_width != new_pmap_width
567	|| bg_pmap_height != new_pmap_height)	554	|| bg_pmap_height != new_pmap_height)
568	{	555	{
569	if (bg_pixmap)	556	if (bg_pixmap)
570	XFreePixmap (dpy, bg_pixmap);	557	XFreePixmap (dpy, bg_pixmap);
571	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	558	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
572	bg_pmap_width = new_pmap_width;	559	bg_pmap_width = new_pmap_width;
573	bg_pmap_height = new_pmap_height;	560	bg_pmap_height = new_pmap_height;
574	}	561	}
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		562
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;	563	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	}	564	}
778		565
779	gcv.foreground = pix_colors[Color_bg];	566	gcv.foreground = pix_colors[Color_bg];
780	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	567	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
781		568
782	if (gc)	569	if (gc)
783	{	570	{
784	if (bg_flags & BG_TILE)	571	if (image.flags & IM_TILE)
785	{	572	{
786	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	573	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
787	pixbuf_to_pixmap (result, tile, gc,	574	pixbuf_to_pixmap (result, tile, gc,
788	0, 0,	575	0, 0,
789	0, 0,	576	0, 0,
790	image_width, image_height);	577	image_width, image_height, need_blend);
791		578
792	gcv.tile = tile;	579	gcv.tile = tile;
793	gcv.fill_style = FillTiled;	580	gcv.fill_style = FillTiled;
794	gcv.ts_x_origin = x;	581	gcv.ts_x_origin = x;
795	gcv.ts_y_origin = y;	582	gcv.ts_y_origin = y;
796	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	583	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
797		584
798	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);
799	XFreePixmap (dpy, tile);	586	XFreePixmap (dpy, tile);
800	}	587	}
801	else	588	else
802	{	589	{
803	int src_x, src_y, dst_x, dst_y;	590	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);	594	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
808		595
809	if (dst_x > 0 || dst_y > 0	596	if (dst_x > 0 || dst_y > 0
810	|| dst_x + dst_width < new_pmap_width	597	|| dst_x + dst_width < new_pmap_width
811	|| dst_y + dst_height < new_pmap_height)	598	|| dst_y + dst_height < new_pmap_height)
812	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	599	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
813		600
814	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	601	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
815	pixbuf_to_pixmap (result, bg_pixmap, gc,	602	pixbuf_to_pixmap (result, tmp_pixmap, gc,
816	src_x, src_y,	603	src_x, src_y,
817	dst_x, dst_y,	604	dst_x, dst_y,
818	dst_width, dst_height);	605	dst_width, dst_height, need_blend);
819	}	606	}
		607
		608	if (image.need_blur ())
		609	blur_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.h_blurRadius, image.v_blurRadius);
		610	if (image.need_tint ())
		611	tint_pixmap (tmp_pixmap, new_pmap_width, new_pmap_height, need_blend, image.tint, image.tint_set, image.shade);
820		612
821	#if XRENDER	613	#if XRENDER
822	if (tr_flags)	614	if (need_blend)
823	{	615	{
824	XRenderPictureAttributes pa;	616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
825
826	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		618
827	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
828		620
829	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
830	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
831		622
832	Picture mask = create_xrender_mask (dpy, vt, False, False);	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
833		624
834	XRenderColor mask_c;	625	XRenderColor mask_c;
835		626
836	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
837	mask_c.red = 0;	628	mask_c.red =
838	mask_c.green = 0;	629	mask_c.green =
839	mask_c.blue = 0;	630	mask_c.blue = 0;
840	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
841	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	633	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
842		634
843	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
844	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
845	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
852	}	644	}
853		645
854	if (result != pixbuf)	646	if (result != pixbuf)
855	g_object_unref (result);	647	g_object_unref (result);
856		648
857	if (tr_flags)	649	if (need_blend)
858	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
859		651
860	return ret;	652	return ret;
861	}	653	}
862	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
863		655
		656	# ifndef NO_RESOURCES
		657	static int
		658	rxvt_define_image (XrmDatabase *database ecb_unused,
		659	XrmBindingList bindings ecb_unused,
		660	XrmQuarkList quarks,
		661	XrmRepresentation *type ecb_unused,
		662	XrmValue *value,
		663	XPointer closure ecb_unused)
		664	{
		665	int size;
		666
		667	for (size = 0; quarks[size] != NULLQUARK; size++)
		668	;
		669
		670	if (size >= 2)
		671	{
		672	int id = strtol (XrmQuarkToString (quarks[size-2]), 0, 0);
		673	if (id >= 1)
		674	GET_R->parse_image (id, XrmQuarkToString (quarks[size-1]), (char *)value->addr);
		675	}
		676	return False;
		677	}
		678	# endif
		679
		680	void
		681	rxvt_term::parse_image (int id, const char *type, const char *arg)
		682	{
		683	if (image_vec.size () < id + 1)
		684	image_vec.resize (id + 1);
		685
		686	rxvt_image *image = &image_vec[id];
		687	}
		688
		689	rxvt_image::rxvt_image ()
		690	{
		691	alpha = 0xffff;
		692	flags = 0;
		693	h_scale =
		694	v_scale = defaultScale;
		695	h_align =
		696	v_align = defaultAlign;
		697
		698	# ifdef HAVE_PIXBUF
		699	pixbuf = 0;
		700	# endif
		701	}
		702
864	bool	703	bool
865	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
866	{	705	{
867	if (!file || !*file)	706	if (!file || !*file)
868	return false;	707	return false;
869		708
870	bool ret = false;
871	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
872		710
873	if (p)	711	if (p)
874	{	712	{
875	size_t len = p - file;	713	size_t len = p - file;
…		…
877	memcpy (f, file, len);	715	memcpy (f, file, len);
878	f[len] = '\0';	716	f[len] = '\0';
879	file = f;	717	file = f;
880	}	718	}
881		719
882	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
883	if (!asimman)	721	alpha = 0x8000;
884	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
885	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
886	if (image)	724	return ret;
887	{	725	}
888	if (original_asim)	726
889	safe_asimage_destroy (original_asim);	727	bool
890	original_asim = image;	728	rxvt_image::set_file (const char *file)
891	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
892	ret = true;	730	bool ret = false;
893	}
894	# endif
895		731
896	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
897	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
898	if (image)	734	if (image)
899	{	735	{
900	if (pixbuf)	736	if (pixbuf)
901	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
902	pixbuf = image;	738	pixbuf = image;
903	bg_flags |= BG_IS_FROM_FILE;
904	ret = true;	739	ret = true;
905	}	740	}
906	# endif	741	# endif
907		742
908	if (ret)	743	if (ret)
909	{	744	flags |= IM_IS_SET;
910	if (p)
911	bg_set_geometry (p + 1);
912	else
913	bg_set_default_geometry ();
914	}
915		745
916	return ret;	746	return ret;
917	}	747	}
918		748
919	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
920		750
921	# ifdef ENABLE_TRANSPARENCY
922	bool	751	bool
923	rxvt_term::bg_set_transparent ()	752	image_effects::set_blur (const char *geom)
924	{
925	if (!(bg_flags & BG_IS_TRANSPARENT))
926	{
927	bg_flags |= BG_IS_TRANSPARENT;
928	return true;
929	}
930
931	return false;
932	}
933
934	bool
935	rxvt_term::bg_set_blur (const char *geom)
936	{	753	{
937	bool changed = false;	754	bool changed = false;
938	unsigned int hr, vr;	755	unsigned int hr, vr;
939	int junk;	756	int junk;
940	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
957	{	774	{
958	changed = true;	775	changed = true;
959	v_blurRadius = vr;	776	v_blurRadius = vr;
960	}	777	}
961		778
962	if (v_blurRadius == 0 && h_blurRadius == 0)
963	bg_flags &= ~BG_NEEDS_BLUR;
964	else
965	bg_flags |= BG_NEEDS_BLUR;
966
967	return changed;	779	return changed;
968	}	780	}
969		781
970	void
971	rxvt_term::set_tint_shade_flags ()
972	{
973	rgba c;
974	bool has_shade = shade != 100;
975
976	bg_flags &= ~BG_TINT_FLAGS;
977
978	tint.get (c);
979
980	if (!has_shade
981	&& (c.r <= 0x00ff || c.r >= 0xff00)
982	&& (c.g <= 0x00ff || c.g >= 0xff00)
983	&& (c.b <= 0x00ff || c.b >= 0xff00))
984	bg_flags |= BG_TINT_BITAND;
985
986	if (has_shade
987	|| c.r < 0xff00
988	|| c.g < 0xff00
989	|| c.b < 0xff00)
990	bg_flags |= BG_NEEDS_TINT;
991	}
992
993	bool	782	bool
994	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
995	{	784	{
996	if (tint != new_tint)	785	if (!tint_set || tint != new_tint)
997	{	786	{
998	tint = new_tint;	787	tint = new_tint;
999	set_tint_shade_flags ();	788	tint_set = true;
		789
1000	return true;	790	return true;
1001	}	791	}
1002		792
1003	return false;	793	return false;
1004	}	794	}
1005		795
1006	bool	796	bool
1007	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1008	{	798	{
1009	int new_shade = atoi (shade_str);	799	int new_shade = atoi (shade_str);
1010		800
1011	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1012	if (new_shade < 0)	802	if (new_shade < 0)
1013	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1014		804
1015	if (new_shade != shade)	805	if (new_shade != shade)
1016	{	806	{
1017	shade = new_shade;	807	shade = new_shade;
1018	set_tint_shade_flags ();
1019	return true;	808	return true;
1020	}	809	}
1021		810
1022	return false;	811	return false;
1023	}	812	}
…		…
1044	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1045	}	834	}
1046	#endif	835	#endif
1047		836
1048	bool	837	bool
1049	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	838	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height, bool argb, int h_blurRadius, int v_blurRadius)
1050	{	839	{
1051	bool ret = false;	840	bool ret = false;
1052	#if XRENDER	841	#if XRENDER
1053	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(display->flags & DISPLAY_HAS_RENDER_CONV))
1054	return false;	843	return false;
1055		844
1056	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1057	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1058	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1059		848
1060	XRenderPictureAttributes pa;	849	XRenderPictureAttributes pa;
1061	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1062		852
		853	pa.repeat = RepeatPad;
1063	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1064	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1065		858
1066	if (kernel && params)	859	if (kernel && params)
1067	{	860	{
1068	if (h_blurRadius)
1069	{
1070	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1071	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1072		863
1073	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1074	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1075	PictOpSrc,	866	PictOpSrc,
1076	src,	867	src,
1077	None,	868	None,
1078	dst,	869	dst,
1079	0, 0,	870	0, 0,
1080	0, 0,	871	0, 0,
1081	0, 0,	872	0, 0,
1082	width, height);	873	width, height);
1083	}
1084		874
1085	if (v_blurRadius)	875	::swap (src, dst);
1086	{	876
1087	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1088	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1089	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1090		880
1091	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1092	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1093	PictOpSrc,	883	PictOpSrc,
1094	src,	884	src,
1095	None,	885	None,
1096	dst,	886	dst,
1097	0, 0,	887	0, 0,
1098	0, 0,	888	0, 0,
1099	0, 0,	889	0, 0,
1100	width, height);	890	width, height);
1101	}
1102		891
1103	ret = true;	892	ret = true;
1104	}	893	}
1105		894
1106	free (kernel);	895	free (kernel);
…		…
1110	#endif	899	#endif
1111	return ret;	900	return ret;
1112	}	901	}
1113		902
1114	bool	903	bool
1115	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	904	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height, bool argb, rxvt_color &tint, bool tint_set, int shade)
1116	{	905	{
1117	bool ret = false;	906	bool ret = false;
1118		907
1119	if (bg_flags & BG_TINT_BITAND)	908	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
		909
		910	if (tint_set)
		911	tint.get (c);
		912
		913	if (shade == 100
		914	&& (c.r <= 0x00ff || c.r >= 0xff00)
		915	&& (c.g <= 0x00ff || c.g >= 0xff00)
		916	&& (c.b <= 0x00ff || c.b >= 0xff00))
1120	{	917	{
1121	XGCValues gcv;	918	XGCValues gcv;
1122	GC gc;	919	GC gc;
1123		920
1124	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1134	ret = true;	931	ret = true;
1135	XFreeGC (dpy, gc);	932	XFreeGC (dpy, gc);
1136	}	933	}
1137	}	934	}
1138	# if XRENDER	935	# if XRENDER
1139	else if (bg_flags & BG_HAS_RENDER)	936	else if (display->flags & DISPLAY_HAS_RENDER)
1140	{	937	{
1141	rgba c;
1142
1143	tint.get (c);
1144
1145	if (shade <= 100)	938	if (shade <= 100)
1146	{	939	{
1147	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1148	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1149	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1153	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1154	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1155	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1156	}	949	}
1157		950
1158	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
1159	XRenderPictureAttributes pa;	952	: XRenderFindVisualFormat (dpy, visual);
1160		953
1161	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1162		955
1163	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1164		957
1165	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);	958	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1166		959
…		…
1175	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1176	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1177	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1178	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1179	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1180	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	974	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1181		975
1182	if (shade > 100)	976	if (shade > 100)
1183	{	977	{
1184	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1185	mask_c.alpha = 0;	978	mask_c.alpha = 0;
		979	mask_c.red =
		980	mask_c.green =
		981	mask_c.blue = 0xffff * (shade - 100) / 100;
1186	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1187		983
1188	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	984	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1189	}	985	}
1190		986
…		…
1197	# endif	993	# endif
1198		994
1199	return ret;	995	return ret;
1200	}	996	}
1201		997
		998	# ifdef ENABLE_TRANSPARENCY
1202	/*	999	/*
1203	* Builds a pixmap of the same size as the terminal window that contains	1000	* 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	1001	* the tiled portion of the root pixmap that is supposed to be covered by
1205	* our window.	1002	* our window.
1206	*/	1003	*/
1207	unsigned long	1004	bool
1208	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::render_root_image ()
1209	{	1006	{
1210	unsigned long result = 0;	1007	bool ret = false;
1211		1008
1212	/* root dimensions may change from call to call - but Display structure should	1009	/* root dimensions may change from call to call - but Display structure should
1213	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1214	*/	1011	*/
1215	int screen = display->screen;	1012	int screen = display->screen;
…		…
1249	Pixmap recoded_root_pmap = root_pixmap;	1046	Pixmap recoded_root_pmap = root_pixmap;
1250		1047
1251	if (root_pixmap != None && root_depth != depth)	1048	if (root_pixmap != None && root_depth != depth)
1252	{	1049	{
1253	#if XRENDER	1050	#if XRENDER
1254	if (bg_flags & BG_HAS_RENDER)	1051	if (display->flags & DISPLAY_HAS_RENDER)
1255	{	1052	{
1256	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1053	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1257		1054
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1055	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1056	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		1057
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1058	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1059	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		1060
1266	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1061	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1267		1062
1268	XRenderFreePicture (dpy, src);	1063	XRenderFreePicture (dpy, src);
1269	XRenderFreePicture (dpy, dst);	1064	XRenderFreePicture (dpy, dst);
…		…
1298	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1299		1094
1300	if (gc)	1095	if (gc)
1301	{	1096	{
1302	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1303	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1098	ret = true;
		1099	bool need_blur = root_effects.need_blur ();
		1100	bool need_tint = root_effects.need_tint ();
1304		1101
1305	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (need_blur)
		1103	{
		1104	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
		1105	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1106	need_blur = false;
1306	{	1107	}
1307	if (bg_flags & BG_NEEDS_BLUR)	1108	if (need_tint)
		1109	{
		1110	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
		1111	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1112	need_tint = false;
		1113	}
		1114	if (need_tint)
		1115	{
		1116	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1117	if (ximage)
1308	{	1118	{
1309	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1119	/* our own client-side tinting */
1310	result &= ~BG_NEEDS_BLUR;	1120	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
		1121
		1122	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1123	XDestroyImage (ximage);
1311	}	1124	}
1312	if (bg_flags & BG_NEEDS_TINT)
1313	{
1314	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1315	result &= ~BG_NEEDS_TINT;
1316	}	1125	}
1317	# ifndef HAVE_AFTERIMAGE
1318	if (result & BG_NEEDS_TINT)
1319	{
1320	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1321	if (ximage)
1322	{
1323	/* our own client-side tinting */
1324	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
1325
1326	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1327	XDestroyImage (ximage);
1328	}
1329	}
1330	# endif
1331	} /* server side rendering completed */
1332		1126
1333	XFreeGC (dpy, gc);	1127	XFreeGC (dpy, gc);
1334	}	1128	}
1335		1129
1336	if (recoded_root_pmap != root_pixmap)	1130	if (recoded_root_pmap != root_pixmap)
1337	XFreePixmap (dpy, recoded_root_pmap);	1131	XFreePixmap (dpy, recoded_root_pmap);
1338		1132
1339	return result;	1133	return ret;
1340	}	1134	}
1341		1135
1342	void	1136	void
1343	rxvt_term::bg_set_root_pixmap ()	1137	rxvt_term::bg_set_root_pixmap ()
1344	{	1138	{
…		…
1351	# endif /* ENABLE_TRANSPARENCY */	1145	# endif /* ENABLE_TRANSPARENCY */
1352		1146
1353	bool	1147	bool
1354	rxvt_term::bg_render ()	1148	rxvt_term::bg_render ()
1355	{	1149	{
1356	unsigned long tr_flags = 0;
1357
1358	bg_invalidate ();	1150	bg_invalidate ();
1359	# ifdef ENABLE_TRANSPARENCY	1151	# ifdef ENABLE_TRANSPARENCY
1360	if (bg_flags & BG_IS_TRANSPARENT)	1152	if (bg_flags & BG_IS_TRANSPARENT)
1361	{	1153	{
1362	/* we need to re-generate transparency pixmap in that case ! */	1154	/* we need to re-generate transparency pixmap in that case ! */
1363	tr_flags = make_transparency_pixmap ();	1155	if (render_root_image ())
1364	if (tr_flags == 0)
1365	return false;
1366	bg_flags |= BG_IS_VALID;	1156	bg_flags |= BG_IS_VALID;
1367	}	1157	}
1368	# endif	1158	# endif
1369		1159
1370	# ifdef BG_IMAGE_FROM_FILE	1160	# ifdef BG_IMAGE_FROM_FILE
1371	if ((bg_flags & BG_IS_FROM_FILE)	1161	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1372	|| (tr_flags & BG_EFFECTS_FLAGS))
1373	{	1162	{
1374	if (render_image (tr_flags))	1163	if (render_image (*bg_image))
1375	bg_flags |= BG_IS_VALID;	1164	bg_flags |= BG_IS_VALID;
1376	}	1165	}
1377	# endif	1166	# endif
1378		1167
1379	if (!(bg_flags & BG_IS_VALID))	1168	if (!(bg_flags & BG_IS_VALID))
…		…
1394	}	1183	}
1395		1184
1396	void	1185	void
1397	rxvt_term::bg_init ()	1186	rxvt_term::bg_init ()
1398	{	1187	{
1399	#ifdef ENABLE_TRANSPARENCY	1188	#ifdef BG_IMAGE_FROM_FILE
1400	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	1189	if (rs[Rs_backgroundPixmap])
1401	tint.set (this, c);	1190	{
1402	shade = 100;	1191	rxvt_image *image = new_image ();
		1192	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1193	image_vec.pop_back ();
		1194	}
		1195
		1196	# ifndef NO_RESOURCES
		1197	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1198	# endif
		1199
		1200	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1201	while (bg_image != image_vec.end ())
		1202	{
		1203	if (!(bg_image->flags & IM_IS_SET))
		1204	bg_image = image_vec.erase (bg_image);
		1205	else
		1206	{
		1207	if (bg_image->is_size_sensitive ())
		1208	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1209
		1210	bg_image++;
		1211	}
		1212	}
		1213
		1214	if (image_vec.size () > 0
		1215	&& !bg_window_position_sensitive ())
		1216	update_background ();
1403	#endif	1217	#endif
1404
1405	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1406	#if XRENDER
1407	int major, minor;
1408	if (XRenderQueryVersion (dpy, &major, &minor))
1409	bg_flags |= BG_HAS_RENDER;
1410	XFilters *filters = XRenderQueryFilters (dpy, vt);
1411	if (filters)
1412	{
1413	for (int i = 0; i < filters->nfilter; i++)
1414	if (!strcmp (filters->filter[i], FilterConvolution))
1415	bg_flags |= BG_HAS_RENDER_CONV;
1416
1417	XFree (filters);
1418	}
1419	#endif
1420	}	1218	}
1421		1219
1422	#endif /* HAVE_BG_PIXMAP */
1423
1424	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1425	/* based on code from aterm-0.4.2 */	1220	/* based on code from aterm-0.4.2 */
1426		1221
1427	static inline void	1222	static inline void
1428	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1223	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1429	{	1224	{
…		…
1435	lookup[i] = (tmp / 0xffff) << sh;	1230	lookup[i] = (tmp / 0xffff) << sh;
1436	}	1231	}
1437	}	1232	}
1438		1233
1439	void	1234	void
1440	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1235	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1441	{	1236	{
		1237	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1238	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1239	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1240	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	unsigned short low;	1241	unsigned short low;
1446	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1242	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1451	mask_r = visual->red_mask;	1247	mask_r = visual->red_mask;
1452	mask_g = visual->green_mask;	1248	mask_g = visual->green_mask;
1453	mask_b = visual->blue_mask;	1249	mask_b = visual->blue_mask;
1454		1250
1455	/* boring lookup table pre-initialization */	1251	/* boring lookup table pre-initialization */
1456	switch (ximage->depth)	1252	sh_r = ecb_ctz32 (mask_r);
1457	{	1253	sh_g = ecb_ctz32 (mask_g);
1458	case 15:	1254	sh_b = ecb_ctz32 (mask_b);
1459	if ((mask_r != 0x7c00) ||	1255
1460	(mask_g != 0x03e0) ||	1256	size_r = mask_r >> sh_r;
1461	(mask_b != 0x001f))	1257	size_g = mask_g >> sh_g;
		1258	size_b = mask_b >> sh_b;
		1259
		1260	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1462	return;	1261	return;
1463	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1262
		1263	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1464	lookup_r = lookup;	1264	lookup_r = lookup;
1465	lookup_g = lookup+32;	1265	lookup_g = lookup + size_r;
1466	lookup_b = lookup+32+32;	1266	lookup_b = lookup + size_r + size_g;
1467	sh_r = 10;
1468	sh_g = 5;
1469	sh_b = 0;
1470	break;
1471	case 16:
1472	if ((mask_r != 0xf800) ||
1473	(mask_g != 0x07e0) ||
1474	(mask_b != 0x001f))
1475	return;
1476	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1477	lookup_r = lookup;
1478	lookup_g = lookup+32;
1479	lookup_b = lookup+32+64;
1480	sh_r = 11;
1481	sh_g = 5;
1482	sh_b = 0;
1483	break;
1484	case 24:
1485	if ((mask_r != 0xff0000) ||
1486	(mask_g != 0x00ff00) ||
1487	(mask_b != 0x0000ff))
1488	return;
1489	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1490	lookup_r = lookup;
1491	lookup_g = lookup+256;
1492	lookup_b = lookup+256+256;
1493	sh_r = 16;
1494	sh_g = 8;
1495	sh_b = 0;
1496	break;
1497	case 32:
1498	if ((mask_r != 0xff0000) ||
1499	(mask_g != 0x00ff00) ||
1500	(mask_b != 0x0000ff))
1501	return;
1502	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1503	lookup_r = lookup;
1504	lookup_g = lookup+256;
1505	lookup_b = lookup+256+256;
1506	sh_r = 16;
1507	sh_g = 8;
1508	sh_b = 0;
1509	break;
1510	default:
1511	return; /* we do not support this color depth */
1512	}
1513		1267
1514	rgba c;	1268	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1515		1269
		1270	if (tint_set)
1516	tint.get (c);	1271	tint.get (c);
1517		1272
1518	/* prepare limits for color transformation (each channel is handled separately) */	1273	/* prepare limits for color transformation (each channel is handled separately) */
1519	if (shade > 100)	1274	if (shade > 100)
1520	{	1275	{
1521	c.r = c.r * (200 - shade) / 100;	1276	c.r = c.r * (200 - shade) / 100;
…		…
1538	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1293	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1539	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1294	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1540		1295
1541	/* apply table to input image (replacing colors by newly calculated ones) */	1296	/* apply table to input image (replacing colors by newly calculated ones) */
1542	if (ximage->bits_per_pixel == 32	1297	if (ximage->bits_per_pixel == 32
1543	&& (ximage->depth == 24 || ximage->depth == 32)
1544	&& ximage->byte_order == host_byte_order)	1298	&& ximage->byte_order == host_byte_order)
1545	{	1299	{
1546	uint32_t *p1, *pf, *p, *pl;	1300	char *line = ximage->data;
1547	p1 = (uint32_t *) ximage->data;
1548	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1549		1301
1550	while (p1 < pf)	1302	for (int y = 0; y < ximage->height; y++)
1551	{	1303	{
1552	p = p1;	1304	uint32_t *p = (uint32_t *)line;
1553	pl = p1 + ximage->width;	1305	for (int x = 0; x < ximage->width; x++)
1554	for (; p < pl; p++)
1555	{	1306	{
1556	*p = lookup_r[(*p & 0xff0000) >> 16] |	1307	*p = lookup_r[(*p & mask_r) >> sh_r] |
1557	lookup_g[(*p & 0x00ff00) >> 8] |	1308	lookup_g[(*p & mask_g) >> sh_g] |
1558	lookup_b[(*p & 0x0000ff)] |	1309	lookup_b[(*p & mask_b) >> sh_b];
1559	(*p & 0xff000000);	1310	p++;
1560	}	1311	}
1561	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1312	line += ximage->bytes_per_line;
1562	}	1313	}
1563	}	1314	}
1564	else	1315	else
1565	{	1316	{
1566	for (int y = 0; y < ximage->height; y++)	1317	for (int y = 0; y < ximage->height; y++)
…		…
1574	}	1325	}
1575	}	1326	}
1576		1327
1577	free (lookup);	1328	free (lookup);
1578	}	1329	}
1579	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1330
		1331	#endif /* HAVE_BG_PIXMAP */

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