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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 1.226 by sf-exg, Thu May 31 05:53:46 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)
		385	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		386	else
		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++)
		439	{
		440	unsigned char *pixel = row + x * channels;
		441	uint32_t value;
		442	unsigned char r, g, b, a;
		443
		444	if (channels == 4)
412	{	445	{
413	destroy_asimage (&background);	446	a = pixel[3];
414	background = tmp;	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);
415	}	468	}
416	}
417	# endif
418		469
419	ASImage *result = 0;	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	&& !(bg_flags & BG_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))
		514	return false;
		515
		516	result = pixbuf;
		517
		518	if (w != image_width
		519	|| h != image_height)
		520	{
		521	result = gdk_pixbuf_scale_simple (pixbuf,
		522	w, h,
		523	GDK_INTERP_BILINEAR);
440	{	524	}
441	if (background)
442	{
443	new_pmap_width = background->width;
444	new_pmap_height = background->height;
445	result = background;
446		525
447	if (background_tint != TINT_LEAVE_SAME)	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);
		540	else
		541	{
		542	// optimise bg pixmap size when tiling, but only if there are no
		543	// other pixbufs to render. Otherwise, the bg pixmap size must
		544	// be equal to the window size.
		545	if ((image.flags & IM_TILE)
		546	&& image_vec.size () == 1)
448	{	547	{
449	ASImage *tmp = tile_asimage (asv, background, 0, 0,	548	new_pmap_width = min (image_width, target_width);
450	target_width, target_height, background_tint,	549	new_pmap_height = min (image_height, target_height);
451	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
452	if (tmp)
453	result = tmp;
454	}
455	}	550	}
456	else
457	new_pmap_width = new_pmap_height = 0;
458	}
459	else
460	{
461	result = original_asim;
462		551
463	if (w != original_asim->width
464	|| h != original_asim->height)
465	{
466	result = scale_asimage (asv, original_asim,
467	w, h,
468	ASA_XImage,
469	100, ASIMAGE_QUALITY_DEFAULT);
470	}
471
472	if (background == NULL)
473	{
474	if (bg_flags & BG_TILE)
475	{
476	/* if tiling - pixmap has to be sized exactly as the image,
477	but there is no need to make it bigger than the window! */
478	new_pmap_width = min (result->width, target_width);
479	new_pmap_height = min (result->height, target_height);
480
481	/* we also need to tile our image in both directions */
482	ASImage *tmp = tile_asimage (asv, result,
483	(int)result->width - x,
484	(int)result->height - y,
485	new_pmap_width,
486	new_pmap_height,
487	TINT_LEAVE_SAME, ASA_XImage,
488	100, ASIMAGE_QUALITY_DEFAULT);
489	if (tmp)
490	{
491	if (result != original_asim)
492	destroy_asimage (&result);
493
494	result = tmp;
495	}
496	}
497	}
498	else
499	{
500	/* if blending background and image - pixmap has to be sized same as target window */
501	ASImageLayer *layers = create_image_layers (2);
502
503	layers[0].im = background;
504	layers[0].clip_width = target_width;
505	layers[0].clip_height = target_height;
506	layers[0].tint = background_tint;
507	layers[1].im = result;
508
509	if (bg_flags & BG_TILE)
510	{
511	/* tile horizontally */
512	while (x > 0) x -= (int)result->width;
513	layers[1].dst_x = x;
514	layers[1].clip_width = result->width+target_width;
515	}
516	else
517	{
518	/* clip horizontally */
519	layers[1].dst_x = x;
520	layers[1].clip_width = result->width;
521	}
522
523	if (bg_flags & BG_TILE)
524	{
525	while (y > 0) y -= (int)result->height;
526	layers[1].dst_y = y;
527	layers[1].clip_height = result->height + target_height;
528	}
529	else
530	{
531	layers[1].dst_y = y;
532	layers[1].clip_height = result->height;
533	}
534
535	if (rs[Rs_blendtype])
536	{
537	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
538	if (layers[1].merge_scanlines == NULL)
539	layers[1].merge_scanlines = alphablend_scanlines;
540	}
541
542	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
543	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
544
545	if (tmp)
546	{
547	if (result != original_asim)
548	destroy_asimage (&result);
549
550	result = tmp;
551	}
552
553	free (layers);
554	}
555	}
556
557	bool ret = false;
558
559	if (result)
560	{
561	XGCValues gcv;
562	GC gc;
563
564	/* create Pixmap */
565	if (bg_pixmap == None	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	}
820		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);
		612
821	#if XRENDER	613	#if XRENDER
822	if (tr_flags)	614	if (need_blend)
823	{	615	{
		616	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
824	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	617	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
825		618
826	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);	619	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
827		620
828	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);	621	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
829		622
830	Picture mask = create_xrender_mask (dpy, vt, False, False);	623	Picture mask = create_xrender_mask (dpy, vt, False, False);
831		624
832	XRenderColor mask_c;	625	XRenderColor mask_c;
833		626
834	mask_c.alpha = 0x8000;	627	mask_c.alpha = image.alpha;
835	mask_c.red = 0;	628	mask_c.red =
836	mask_c.green = 0;	629	mask_c.green =
837	mask_c.blue = 0;	630	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	631	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		632
839	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);
840		634
841	XRenderFreePicture (dpy, src);	635	XRenderFreePicture (dpy, src);
842	XRenderFreePicture (dpy, dst);	636	XRenderFreePicture (dpy, dst);
843	XRenderFreePicture (dpy, mask);	637	XRenderFreePicture (dpy, mask);
…		…
850	}	644	}
851		645
852	if (result != pixbuf)	646	if (result != pixbuf)
853	g_object_unref (result);	647	g_object_unref (result);
854		648
855	if (tr_flags)	649	if (need_blend)
856	XFreePixmap (dpy, root_pmap);	650	XFreePixmap (dpy, tmp_pixmap);
857		651
858	return ret;	652	return ret;
859	}	653	}
860	# endif /* HAVE_PIXBUF */	654	# endif /* HAVE_PIXBUF */
861		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
		679	void
		680	rxvt_term::parse_image (int id, const char *type, const char *arg)
		681	{
		682	if (image_vec.size () < id + 1)
		683	image_vec.resize (id + 1);
		684
		685	rxvt_image *image = &image_vec[id];
		686	}
		687	# endif
		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
862	bool	703	bool
863	rxvt_term::bg_set_file (const char *file)	704	rxvt_image::set_file_geometry (const char *file)
864	{	705	{
865	if (!file || !*file)	706	if (!file || !*file)
866	return false;	707	return false;
867		708
868	bool ret = false;
869	const char *p = strchr (file, ';');	709	const char *p = strchr (file, ';');
870		710
871	if (p)	711	if (p)
872	{	712	{
873	size_t len = p - file;	713	size_t len = p - file;
…		…
875	memcpy (f, file, len);	715	memcpy (f, file, len);
876	f[len] = '\0';	716	f[len] = '\0';
877	file = f;	717	file = f;
878	}	718	}
879		719
880	# ifdef HAVE_AFTERIMAGE	720	bool ret = set_file (file);
881	if (!asimman)	721	alpha = 0x8000;
882	asimman = create_generic_imageman (rs[Rs_path]);	722	if (ret)
883	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);	723	set_geometry (p ? p + 1 : "");
884	if (image)	724	return ret;
885	{	725	}
886	if (original_asim)	726
887	safe_asimage_destroy (original_asim);	727	bool
888	original_asim = image;	728	rxvt_image::set_file (const char *file)
889	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;	729	{
890	ret = true;	730	bool ret = false;
891	}
892	# endif
893		731
894	# ifdef HAVE_PIXBUF	732	# ifdef HAVE_PIXBUF
895	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	733	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
896	if (image)	734	if (image)
897	{	735	{
898	if (pixbuf)	736	if (pixbuf)
899	g_object_unref (pixbuf);	737	g_object_unref (pixbuf);
900	pixbuf = image;	738	pixbuf = image;
901	bg_flags |= BG_IS_FROM_FILE;
902	ret = true;	739	ret = true;
903	}	740	}
904	# endif	741	# endif
905		742
906	if (ret)	743	if (ret)
907	{	744	flags |= IM_IS_SET;
908	if (p)
909	bg_set_geometry (p + 1);
910	else
911	bg_set_default_geometry ();
912	}
913		745
914	return ret;	746	return ret;
915	}	747	}
916		748
917	# endif /* BG_IMAGE_FROM_FILE */	749	# endif /* BG_IMAGE_FROM_FILE */
918		750
919	# ifdef ENABLE_TRANSPARENCY
920	bool	751	bool
921	rxvt_term::bg_set_transparent ()	752	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	{	753	{
935	bool changed = false;	754	bool changed = false;
936	unsigned int hr, vr;	755	unsigned int hr, vr;
937	int junk;	756	int junk;
938	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);	757	int geom_flags = XParseGeometry (geom, &junk, &junk, &hr, &vr);
…		…
955	{	774	{
956	changed = true;	775	changed = true;
957	v_blurRadius = vr;	776	v_blurRadius = vr;
958	}	777	}
959		778
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;	779	return changed;
966	}	780	}
967		781
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	782	bool
992	rxvt_term::bg_set_tint (rxvt_color &new_tint)	783	image_effects::set_tint (const rxvt_color &new_tint)
993	{	784	{
994	if (tint != new_tint)	785	if (!tint_set || tint != new_tint)
995	{	786	{
996	tint = new_tint;	787	tint = new_tint;
997	set_tint_shade_flags ();	788	tint_set = true;
		789
998	return true;	790	return true;
999	}	791	}
1000		792
1001	return false;	793	return false;
1002	}	794	}
1003		795
1004	bool	796	bool
1005	rxvt_term::bg_set_shade (const char *shade_str)	797	image_effects::set_shade (const char *shade_str)
1006	{	798	{
1007	int new_shade = atoi (shade_str);	799	int new_shade = atoi (shade_str);
1008		800
1009	clamp_it (new_shade, -100, 200);	801	clamp_it (new_shade, -100, 200);
1010	if (new_shade < 0)	802	if (new_shade < 0)
1011	new_shade = 200 - (100 + new_shade);	803	new_shade = 200 - (100 + new_shade);
1012		804
1013	if (new_shade != shade)	805	if (new_shade != shade)
1014	{	806	{
1015	shade = new_shade;	807	shade = new_shade;
1016	set_tint_shade_flags ();
1017	return true;	808	return true;
1018	}	809	}
1019		810
1020	return false;	811	return false;
1021	}	812	}
…		…
1042	params[i+2] = XDoubleToFixed (kernel[i] / sum);	833	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1043	}	834	}
1044	#endif	835	#endif
1045		836
1046	bool	837	bool
1047	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)
1048	{	839	{
1049	bool ret = false;	840	bool ret = false;
1050	#if XRENDER	841	#if XRENDER
1051	if (!(bg_flags & BG_HAS_RENDER_CONV))	842	if (!(bg_flags & BG_HAS_RENDER_CONV))
1052	return false;	843	return false;
1053		844
1054	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	845	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1055	double *kernel = (double *)malloc (size * sizeof (double));	846	double *kernel = (double *)malloc (size * sizeof (double));
1056	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	847	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1057		848
1058	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	849	XRenderPictureAttributes pa;
		850	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		851	: XRenderFindVisualFormat (dpy, visual);
1059		852
		853	pa.repeat = RepeatPad;
1060	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	854	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		855	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1061	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	856	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		857	XFreePixmap (dpy, tmp);
1062		858
1063	if (kernel && params)	859	if (kernel && params)
1064	{	860	{
1065	if (h_blurRadius)
1066	{
1067	size = h_blurRadius * 2 + 1;	861	size = h_blurRadius * 2 + 1;
1068	get_gaussian_kernel (h_blurRadius, size, kernel, params);	862	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1069		863
1070	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	864	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1071	XRenderComposite (dpy,	865	XRenderComposite (dpy,
1072	PictOpSrc,	866	PictOpSrc,
1073	src,	867	src,
1074	None,	868	None,
1075	dst,	869	dst,
1076	0, 0,	870	0, 0,
1077	0, 0,	871	0, 0,
1078	0, 0,	872	0, 0,
1079	width, height);	873	width, height);
1080	}
1081		874
1082	if (v_blurRadius)	875	::swap (src, dst);
1083	{	876
1084	size = v_blurRadius * 2 + 1;	877	size = v_blurRadius * 2 + 1;
1085	get_gaussian_kernel (v_blurRadius, size, kernel, params);	878	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1086	::swap (params[0], params[1]);	879	::swap (params[0], params[1]);
1087		880
1088	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	881	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1089	XRenderComposite (dpy,	882	XRenderComposite (dpy,
1090	PictOpSrc,	883	PictOpSrc,
1091	src,	884	src,
1092	None,	885	None,
1093	dst,	886	dst,
1094	0, 0,	887	0, 0,
1095	0, 0,	888	0, 0,
1096	0, 0,	889	0, 0,
1097	width, height);	890	width, height);
1098	}
1099		891
1100	ret = true;	892	ret = true;
1101	}	893	}
1102		894
1103	free (kernel);	895	free (kernel);
…		…
1107	#endif	899	#endif
1108	return ret;	900	return ret;
1109	}	901	}
1110		902
1111	bool	903	bool
1112	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)
1113	{	905	{
1114	bool ret = false;	906	bool ret = false;
1115		907
1116	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))
1117	{	917	{
1118	XGCValues gcv;	918	XGCValues gcv;
1119	GC gc;	919	GC gc;
1120		920
1121	/* In this case we can tint image server-side getting significant	921	/* In this case we can tint image server-side getting significant
…		…
1133	}	933	}
1134	}	934	}
1135	# if XRENDER	935	# if XRENDER
1136	else if (bg_flags & BG_HAS_RENDER)	936	else if (bg_flags & BG_HAS_RENDER)
1137	{	937	{
1138	rgba c;
1139
1140	tint.get (c);
1141
1142	if (shade <= 100)	938	if (shade <= 100)
1143	{	939	{
1144	c.r = c.r * shade / 100;	940	c.r = c.r * shade / 100;
1145	c.g = c.g * shade / 100;	941	c.g = c.g * shade / 100;
1146	c.b = c.b * shade / 100;	942	c.b = c.b * shade / 100;
…		…
1150	c.r = c.r * (200 - shade) / 100;	946	c.r = c.r * (200 - shade) / 100;
1151	c.g = c.g * (200 - shade) / 100;	947	c.g = c.g * (200 - shade) / 100;
1152	c.b = c.b * (200 - shade) / 100;	948	c.b = c.b * (200 - shade) / 100;
1153	}	949	}
1154		950
1155	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	951	XRenderPictFormat *format = argb ? XRenderFindStandardFormat (dpy, PictStandardARGB32)
		952	: XRenderFindVisualFormat (dpy, visual);
1156		953
1157	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);	954	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1158		955
1159	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);	956	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1160		957
…		…
1171	mask_c.alpha = 0;	968	mask_c.alpha = 0;
1172	mask_c.red = 0xffff - c.r;	969	mask_c.red = 0xffff - c.r;
1173	mask_c.green = 0xffff - c.g;	970	mask_c.green = 0xffff - c.g;
1174	mask_c.blue = 0xffff - c.b;	971	mask_c.blue = 0xffff - c.b;
1175	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	972	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		973
1176	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);
1177		975
1178	if (shade > 100)	976	if (shade > 100)
1179	{	977	{
1180	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1181	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;
1182	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	982	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1183		983
1184	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);
1185	}	985	}
1186		986
…		…
1193	# endif	993	# endif
1194		994
1195	return ret;	995	return ret;
1196	}	996	}
1197		997
		998	# ifdef ENABLE_TRANSPARENCY
1198	/*	999	/*
1199	* 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
1200	* 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
1201	* our window.	1002	* our window.
1202	*/	1003	*/
1203	unsigned long	1004	bool
1204	rxvt_term::make_transparency_pixmap ()	1005	rxvt_term::make_transparency_pixmap ()
1205	{	1006	{
1206	unsigned long result = 0;	1007	bool ret = false;
1207		1008
1208	/* 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
1209	* be always up-to-date, so let's use it :	1010	* be always up-to-date, so let's use it :
1210	*/	1011	*/
1211	int screen = display->screen;	1012	int screen = display->screen;
…		…
1292	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1093	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1293		1094
1294	if (gc)	1095	if (gc)
1295	{	1096	{
1296	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1097	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1297	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 ();
1298		1101
1299	if (!(bg_flags & BG_CLIENT_RENDER))	1102	if (!(bg_flags & BG_CLIENT_RENDER))
1300	{	1103	{
1301	if (bg_flags & BG_NEEDS_BLUR)	1104	if (need_blur)
1302	{	1105	{
1303	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1106	if (blur_pixmap (bg_pixmap, window_width, window_height, false,
1304	result &= ~BG_NEEDS_BLUR;	1107	root_effects.h_blurRadius, root_effects.v_blurRadius))
		1108	need_blur = false;
1305	}	1109	}
1306	if (bg_flags & BG_NEEDS_TINT)	1110	if (need_tint)
1307	{	1111	{
1308	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))	1112	if (tint_pixmap (bg_pixmap, window_width, window_height, false,
1309	result &= ~BG_NEEDS_TINT;	1113	root_effects.tint, root_effects.tint_set, root_effects.shade))
		1114	need_tint = false;
1310	}	1115	}
1311	# ifndef HAVE_AFTERIMAGE	1116	if (need_tint)
1312	if (result & BG_NEEDS_TINT)
1313	{	1117	{
1314	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);	1118	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1315	if (ximage)	1119	if (ximage)
1316	{	1120	{
1317	/* our own client-side tinting */	1121	/* our own client-side tinting */
1318	tint_ximage (DefaultVisual (dpy, display->screen), ximage);	1122	tint_ximage (ximage, root_effects.tint, root_effects.tint_set, root_effects.shade);
1319		1123
1320	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);	1124	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
1321	XDestroyImage (ximage);	1125	XDestroyImage (ximage);
1322	}	1126	}
1323	}	1127	}
1324	# endif
1325	} /* server side rendering completed */	1128	} /* server side rendering completed */
1326		1129
1327	XFreeGC (dpy, gc);	1130	XFreeGC (dpy, gc);
1328	}	1131	}
1329		1132
1330	if (recoded_root_pmap != root_pixmap)	1133	if (recoded_root_pmap != root_pixmap)
1331	XFreePixmap (dpy, recoded_root_pmap);	1134	XFreePixmap (dpy, recoded_root_pmap);
1332		1135
1333	return result;	1136	return ret;
1334	}	1137	}
1335		1138
1336	void	1139	void
1337	rxvt_term::bg_set_root_pixmap ()	1140	rxvt_term::bg_set_root_pixmap ()
1338	{	1141	{
…		…
1345	# endif /* ENABLE_TRANSPARENCY */	1148	# endif /* ENABLE_TRANSPARENCY */
1346		1149
1347	bool	1150	bool
1348	rxvt_term::bg_render ()	1151	rxvt_term::bg_render ()
1349	{	1152	{
1350	unsigned long tr_flags = 0;
1351
1352	bg_invalidate ();	1153	bg_invalidate ();
1353	# ifdef ENABLE_TRANSPARENCY	1154	# ifdef ENABLE_TRANSPARENCY
1354	if (bg_flags & BG_IS_TRANSPARENT)	1155	if (bg_flags & BG_IS_TRANSPARENT)
1355	{	1156	{
1356	/* we need to re-generate transparency pixmap in that case ! */	1157	/* we need to re-generate transparency pixmap in that case ! */
1357	tr_flags = make_transparency_pixmap ();	1158	if (make_transparency_pixmap ())
1358	if (tr_flags == 0)
1359	return false;
1360	bg_flags |= BG_IS_VALID;	1159	bg_flags |= BG_IS_VALID;
1361	}	1160	}
1362	# endif	1161	# endif
1363		1162
1364	# ifdef BG_IMAGE_FROM_FILE	1163	# ifdef BG_IMAGE_FROM_FILE
1365	if ((bg_flags & BG_IS_FROM_FILE)	1164	for (vector<rxvt_image>::iterator bg_image = image_vec.begin (); bg_image < image_vec.end (); bg_image++)
1366	|| (tr_flags & BG_EFFECTS_FLAGS))
1367	{	1165	{
1368	if (render_image (tr_flags))	1166	if (render_image (*bg_image))
1369	bg_flags |= BG_IS_VALID;	1167	bg_flags |= BG_IS_VALID;
1370	}	1168	}
1371	# endif	1169	# endif
1372		1170
1373	if (!(bg_flags & BG_IS_VALID))	1171	if (!(bg_flags & BG_IS_VALID))
…		…
1388	}	1186	}
1389		1187
1390	void	1188	void
1391	rxvt_term::bg_init ()	1189	rxvt_term::bg_init ()
1392	{	1190	{
1393	#ifdef ENABLE_TRANSPARENCY
1394	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1395	tint.set (this, c);
1396	shade = 100;
1397	#endif
1398
1399	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);	1191	bg_flags &= ~(BG_HAS_RENDER | BG_HAS_RENDER_CONV);
1400	#if XRENDER	1192	#if XRENDER
1401	int major, minor;	1193	int major, minor;
1402	if (XRenderQueryVersion (dpy, &major, &minor))	1194	if (XRenderQueryVersion (dpy, &major, &minor))
1403	bg_flags |= BG_HAS_RENDER;	1195	bg_flags |= BG_HAS_RENDER;
…		…
1409	bg_flags |= BG_HAS_RENDER_CONV;	1201	bg_flags |= BG_HAS_RENDER_CONV;
1410		1202
1411	XFree (filters);	1203	XFree (filters);
1412	}	1204	}
1413	#endif	1205	#endif
1414	}
1415		1206
1416	#endif /* HAVE_BG_PIXMAP */	1207	#ifdef BG_IMAGE_FROM_FILE
		1208	if (rs[Rs_backgroundPixmap])
		1209	{
		1210	rxvt_image *image = new_image ();
		1211	if (!image->set_file_geometry (rs[Rs_backgroundPixmap]))
		1212	image_vec.pop_back ();
		1213	}
1417		1214
1418	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1215	# ifndef NO_RESOURCES
		1216	find_resources ("image", "Image", XrmEnumAllLevels, rxvt_define_image);
		1217	vector<rxvt_image>::iterator bg_image = image_vec.begin ();
		1218	while (bg_image != image_vec.end ())
		1219	{
		1220	if (!(bg_image->flags & IM_IS_SET))
		1221	bg_image = image_vec.erase (bg_image);
		1222	else
		1223	{
		1224	if (bg_image->is_size_sensitive ())
		1225	bg_image->flags |= IM_IS_SIZE_SENSITIVE;
		1226
		1227	bg_image++;
		1228	}
		1229	}
		1230	# endif
		1231
		1232	if (image_vec.size () > 0
		1233	&& !bg_window_position_sensitive ())
		1234	update_background ();
		1235	#endif
		1236	}
		1237
1419	/* based on code from aterm-0.4.2 */	1238	/* based on code from aterm-0.4.2 */
1420		1239
1421	static inline void	1240	static inline void
1422	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)	1241	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1423	{	1242	{
…		…
1429	lookup[i] = (tmp / 0xffff) << sh;	1248	lookup[i] = (tmp / 0xffff) << sh;
1430	}	1249	}
1431	}	1250	}
1432		1251
1433	void	1252	void
1434	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)	1253	rxvt_term::tint_ximage (XImage *ximage, rxvt_color &tint, bool tint_set, int shade)
1435	{	1254	{
		1255	unsigned int size_r, size_g, size_b;
1436	int sh_r, sh_g, sh_b;	1256	int sh_r, sh_g, sh_b;
1437	uint32_t mask_r, mask_g, mask_b;	1257	uint32_t mask_r, mask_g, mask_b;
1438	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1258	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1439	unsigned short low;	1259	unsigned short low;
1440	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1260	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
…		…
1445	mask_r = visual->red_mask;	1265	mask_r = visual->red_mask;
1446	mask_g = visual->green_mask;	1266	mask_g = visual->green_mask;
1447	mask_b = visual->blue_mask;	1267	mask_b = visual->blue_mask;
1448		1268
1449	/* boring lookup table pre-initialization */	1269	/* boring lookup table pre-initialization */
1450	switch (ximage->depth)	1270	sh_r = ecb_ctz32 (mask_r);
1451	{	1271	sh_g = ecb_ctz32 (mask_g);
1452	case 15:	1272	sh_b = ecb_ctz32 (mask_b);
1453	if ((mask_r != 0x7c00) ||	1273
1454	(mask_g != 0x03e0) ||	1274	size_r = mask_r >> sh_r;
1455	(mask_b != 0x001f))	1275	size_g = mask_g >> sh_g;
		1276	size_b = mask_b >> sh_b;
		1277
		1278	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1456	return;	1279	return;
1457	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1280
		1281	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1458	lookup_r = lookup;	1282	lookup_r = lookup;
1459	lookup_g = lookup+32;	1283	lookup_g = lookup + size_r;
1460	lookup_b = lookup+32+32;	1284	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		1285
1508	rgba c;	1286	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1509		1287
		1288	if (tint_set)
1510	tint.get (c);	1289	tint.get (c);
1511		1290
1512	/* prepare limits for color transformation (each channel is handled separately) */	1291	/* prepare limits for color transformation (each channel is handled separately) */
1513	if (shade > 100)	1292	if (shade > 100)
1514	{	1293	{
1515	c.r = c.r * (200 - shade) / 100;	1294	c.r = c.r * (200 - shade) / 100;
…		…
1532	fill_lut (lookup_g, mask_g, sh_g, low, c.g);	1311	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1533	fill_lut (lookup_b, mask_b, sh_b, low, c.b);	1312	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1534		1313
1535	/* apply table to input image (replacing colors by newly calculated ones) */	1314	/* apply table to input image (replacing colors by newly calculated ones) */
1536	if (ximage->bits_per_pixel == 32	1315	if (ximage->bits_per_pixel == 32
1537	&& (ximage->depth == 24 || ximage->depth == 32)
1538	&& ximage->byte_order == host_byte_order)	1316	&& ximage->byte_order == host_byte_order)
1539	{	1317	{
1540	uint32_t *p1, *pf, *p, *pl;	1318	char *line = ximage->data;
1541	p1 = (uint32_t *) ximage->data;
1542	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1543		1319
1544	while (p1 < pf)	1320	for (int y = 0; y < ximage->height; y++)
1545	{	1321	{
1546	p = p1;	1322	uint32_t *p = (uint32_t *)line;
1547	pl = p1 + ximage->width;	1323	for (int x = 0; x < ximage->width; x++)
1548	for (; p < pl; p++)
1549	{	1324	{
1550	*p = lookup_r[(*p & 0xff0000) >> 16] |	1325	*p = lookup_r[(*p & mask_r) >> sh_r] |
1551	lookup_g[(*p & 0x00ff00) >> 8] |	1326	lookup_g[(*p & mask_g) >> sh_g] |
1552	lookup_b[(*p & 0x0000ff)] |	1327	lookup_b[(*p & mask_b) >> sh_b];
1553	(*p & 0xff000000);	1328	p++;
1554	}	1329	}
1555	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1330	line += ximage->bytes_per_line;
1556	}	1331	}
1557	}	1332	}
1558	else	1333	else
1559	{	1334	{
1560	for (int y = 0; y < ximage->height; y++)	1335	for (int y = 0; y < ximage->height; y++)
…		…
1568	}	1343	}
1569	}	1344	}
1570		1345
1571	free (lookup);	1346	free (lookup);
1572	}	1347	}
1573	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1348
		1349	#endif /* HAVE_BG_PIXMAP */

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