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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.170 by sf-exg, Sun Aug 21 11:00:02 2011 UTC vs.
Revision 1.218 by sf-exg, Mon May 21 12:29:22 2012 UTC

…		…
3	*----------------------------------------------------------------------*	3	*----------------------------------------------------------------------*
4	*	4	*
5	* All portions of code are copyright by their respective author/s.	5	* All portions of code are copyright by their respective author/s.
6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>	6	* Copyright (c) 2005-2008 Marc Lehmann <schmorp@schmorp.de>
7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>	7	* Copyright (c) 2007 Sasha Vasko <sasha@aftercode.net>
8	* Copyright (c) 2010 Emanuele Giaquinta <e.giaquinta@glauco.it>	8	* Copyright (c) 2010-2012 Emanuele Giaquinta <e.giaquinta@glauco.it>
9	*	9	*
10	* This program is free software; you can redistribute it and/or modify	10	* This program is free software; you can redistribute it and/or modify
11	* it under the terms of the GNU General Public License as published by	11	* it under the terms of the GNU General Public License as published by
12	* the Free Software Foundation; either version 2 of the License, or	12	* the Free Software Foundation; either version 2 of the License, or
13	* (at your option) any later version.	13	* (at your option) any later version.
…		…
20	* You should have received a copy of the GNU General Public License	20	* You should have received a copy of the GNU General Public License
21	* along with this program; if not, write to the Free Software	21	* along with this program; if not, write to the Free Software
22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.	22	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23	*---------------------------------------------------------------------*/	23	*---------------------------------------------------------------------*/
24		24
25	#include <cmath>	25	#include <math.h>
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#if XRENDER	29	#if XRENDER
30	# include <X11/extensions/Xrender.h>	30	# include <X11/extensions/Xrender.h>
…		…
32		32
33	#ifndef FilterConvolution	33	#ifndef FilterConvolution
34	#define FilterConvolution "convolution"	34	#define FilterConvolution "convolution"
35	#endif	35	#endif
36		36
		37	#ifndef RepeatPad
		38	#define RepeatPad True
		39	#endif
		40
37	#ifdef HAVE_BG_PIXMAP	41	#ifdef HAVE_BG_PIXMAP
		42	# if XRENDER
		43	static Picture
		44	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha)
		45	{
		46	Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8);
		47
		48	XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8);
		49	XRenderPictureAttributes pa;
		50	pa.repeat = True;
		51	pa.component_alpha = component_alpha;
		52	Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa);
		53
		54	XFreePixmap (dpy, pixmap);
		55
		56	return mask;
		57	}
		58	# endif
		59
38	void	60	void
39	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
40	{	62	{
41	#ifdef HAVE_AFTERIMAGE
42	if (original_asim)
43	safe_asimage_destroy (original_asim);
44	if (asv)
45	destroy_asvisual (asv, 0);
46	if (asimman)
47	destroy_image_manager (asimman, 0);
48	#endif
49
50	#ifdef HAVE_PIXBUF
51	if (pixbuf)
52	g_object_unref (pixbuf);
53	#endif
54
55	if (bg_pixmap)	63	if (bg_pixmap)
56	XFreePixmap (dpy, bg_pixmap);	64	XFreePixmap (dpy, bg_pixmap);
57	}	65	}
58		66
59	bool	67	bool
…		…
77	if (bg_flags & BG_IS_TRANSPARENT)	85	if (bg_flags & BG_IS_TRANSPARENT)
78	return true;	86	return true;
79	# endif	87	# endif
80		88
81	# ifdef BG_IMAGE_FROM_FILE	89	# ifdef BG_IMAGE_FROM_FILE
82	if (bg_flags & BG_IS_FROM_FILE)	90	if (bg_image.flags & IM_IS_SET)
83	{	91	{
84	if (bg_flags & BG_IS_SIZE_SENSITIVE)	92	if ((bg_image.flags & IM_IS_SIZE_SENSITIVE)
		93	|| bg_image.width () > szHint.width
		94	|| bg_image.height () > szHint.height)
85	return true;	95	return true;
86	}	96	}
87	# endif	97	# endif
88		98
89	return false;	99	return false;
…		…
96	if (bg_flags & BG_IS_TRANSPARENT)	106	if (bg_flags & BG_IS_TRANSPARENT)
97	return true;	107	return true;
98	# endif	108	# endif
99		109
100	# ifdef BG_IMAGE_FROM_FILE	110	# ifdef BG_IMAGE_FROM_FILE
101	if (bg_flags & BG_IS_FROM_FILE)	111	if (bg_image.flags & IM_IS_SET)
102	{	112	{
103	if (bg_flags & BG_ROOT_ALIGN)	113	if (bg_image.flags & IM_ROOT_ALIGN)
104	return true;	114	return true;
105	}	115	}
106	# endif	116	# endif
107		117
108	return false;	118	return false;
109	}	119	}
110		120
111	# ifdef BG_IMAGE_FROM_FILE	121	# ifdef BG_IMAGE_FROM_FILE
112	static inline bool
113	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
114	{
115	if (geom_flags & flag)
116	{
117	if (new_value > 1000)
118	new_value = 1000;
119	if (new_value != scale)
120	{
121	scale = new_value;
122	return true;
123	}
124	}
125	return false;
126	}
127
128	static inline bool
129	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
130	{
131	if (geom_flags & flag)
132	{
133	if (new_value < -100)
134	new_value = -100;
135	else if (new_value > 200)
136	new_value = 200;
137	if (new_value != align)
138	{
139	align = new_value;
140	return true;
141	}
142	}
143	return false;
144	}
145
146	static inline int	122	static inline int
147	make_align_position (int align, int window_size, int image_size)	123	make_align_position (int align, int window_size, int image_size)
148	{	124	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	125	if (align >= 0 && align <= 100)
153	return diff * align / 100;	126	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	127	else if (align > 100)
155	return ((align - 100) * smaller / 100) + window_size - smaller;	128	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	129	else
157	return ((align + 100) * smaller / 100) - image_size;	130	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	131	}
160		132
161	static inline int	133	static inline int
162	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	134	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
163	{	135	{
…		…
169	src_pos = -pos;	141	src_pos = -pos;
170	dst_pos = 0;	142	dst_pos = 0;
171	dst_size += pos;	143	dst_size += pos;
172	}	144	}
173		145
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	146	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	147	return src_pos;
177	}	148	}
178		149
179	bool	150	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	151	rxvt_image::set_geometry (const char *geom, bool update)
181	{	152	{
182	bool changed = false;	153	bool changed = false;
183	int geom_flags = 0;	154	int geom_flags = 0;
184	int x = 0, y = 0;	155	int x = h_align;
		156	int y = v_align;
185	unsigned int w = 0, h = 0;	157	unsigned int w = h_scale;
186	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	158	unsigned int h = v_scale;
		159	unsigned long new_flags = 0;
187		160
188	if (geom == NULL)	161	if (geom == NULL)
189	return false;	162	return false;
190		163
191	if (geom[0])	164	if (geom[0])
192	{	165	{
193	char **arr = rxvt_strsplit (':', geom);	166	char **arr = rxvt_strsplit (':', geom);
194		167
195	for (int i = 0; arr[i]; i++)	168	for (int i = 0; arr[i]; i++)
196	{	169	{
197	if (!strcasecmp (arr[i], "style=tiled"))	170	if (!strcasecmp (arr[i], "style=tiled"))
198	{	171	{
199	new_flags = BG_TILE;	172	new_flags = IM_TILE;
200	w = h = noScale;	173	w = h = noScale;
201	x = y = 0;	174	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	175	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	176	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	177	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{	178	{
206	new_flags = BG_PROP_SCALE;	179	new_flags = IM_KEEP_ASPECT;
207	w = h = windowScale;	180	w = h = windowScale;
208	x = y = centerAlign;	181	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;	182	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}	183	}
211	else if (!strcasecmp (arr[i], "style=stretched"))	184	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
221	x = y = centerAlign;	194	x = y = centerAlign;
222	geom_flags = WidthValue|HeightValue|XValue|YValue;	195	geom_flags = WidthValue|HeightValue|XValue|YValue;
223	}	196	}
224	else if (!strcasecmp (arr[i], "style=root-tiled"))	197	else if (!strcasecmp (arr[i], "style=root-tiled"))
225	{	198	{
226	new_flags = BG_TILE|BG_ROOT_ALIGN;	199	new_flags = IM_TILE|IM_ROOT_ALIGN;
227	w = h = noScale;	200	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;	201	geom_flags = WidthValue|HeightValue;
229	}	202	}
230	else if (!strcasecmp (arr[i], "op=tile"))	203	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	204	new_flags |= IM_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	205	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	206	new_flags |= IM_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	207	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	208	new_flags |= IM_ROOT_ALIGN;
236		209
237	// deprecated	210	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	211	else if (!strcasecmp (arr[i], "tile"))
239	{	212	{
240	new_flags |= BG_TILE;	213	new_flags |= IM_TILE;
241	w = h = noScale;	214	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	215	geom_flags |= WidthValue|HeightValue;
243	}	216	}
244	else if (!strcasecmp (arr[i], "propscale"))	217	else if (!strcasecmp (arr[i], "propscale"))
245	{	218	{
246	new_flags |= BG_PROP_SCALE;	219	new_flags |= IM_KEEP_ASPECT;
		220	w = h = windowScale;
		221	geom_flags |= WidthValue|HeightValue;
247	}	222	}
248	else if (!strcasecmp (arr[i], "hscale"))	223	else if (!strcasecmp (arr[i], "hscale"))
249	{	224	{
250	new_flags |= BG_TILE;	225	new_flags |= IM_TILE;
251	w = windowScale;	226	w = windowScale;
252	h = noScale;	227	h = noScale;
253	geom_flags |= WidthValue|HeightValue;	228	geom_flags |= WidthValue|HeightValue;
254	}	229	}
255	else if (!strcasecmp (arr[i], "vscale"))	230	else if (!strcasecmp (arr[i], "vscale"))
256	{	231	{
257	new_flags |= BG_TILE;	232	new_flags |= IM_TILE;
258	h = windowScale;	233	h = windowScale;
259	w = noScale;	234	w = noScale;
260	geom_flags |= WidthValue|HeightValue;	235	geom_flags |= WidthValue|HeightValue;
261	}	236	}
262	else if (!strcasecmp (arr[i], "scale"))	237	else if (!strcasecmp (arr[i], "scale"))
…		…
270	x = y = centerAlign;	245	x = y = centerAlign;
271	geom_flags |= WidthValue|HeightValue|XValue|YValue;	246	geom_flags |= WidthValue|HeightValue|XValue|YValue;
272	}	247	}
273	else if (!strcasecmp (arr[i], "root"))	248	else if (!strcasecmp (arr[i], "root"))
274	{	249	{
275	new_flags |= BG_TILE|BG_ROOT_ALIGN;	250	new_flags |= IM_TILE|IM_ROOT_ALIGN;
276	w = h = noScale;	251	w = h = noScale;
277	geom_flags |= WidthValue|HeightValue;	252	geom_flags |= WidthValue|HeightValue;
278	}	253	}
279		254
280	else	255	else
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	256	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	257	} /* done parsing ops */
283		258
284	rxvt_free_strsplit (arr);	259	rxvt_free_strsplit (arr);
285	}	260	}
		261
		262	new_flags |= flags & ~IM_GEOMETRY_FLAGS;
286		263
287	if (!update)	264	if (!update)
288	{	265	{
289	if (!(geom_flags & XValue))	266	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	267	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	272	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	273	else if (!(geom_flags & HeightValue))
297	h = w;	274	h = w;
298	else if (!(geom_flags & WidthValue))	275	else if (!(geom_flags & WidthValue))
299	w = h;	276	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}
303
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
308
309	if (new_flags != bg_flags)
310	{	277	}
		278
		279	clamp_it (x, -100, 200);
		280	clamp_it (y, -100, 200);
		281
		282	if (flags != new_flags
		283	|| h_scale != w
		284	|| v_scale != h
		285	|| h_align != x
		286	|| v_align != y)
		287	{
311	bg_flags = new_flags;	288	flags = new_flags;
		289	h_scale = w;
		290	v_scale = h;
		291	h_align = x;
		292	v_align = y;
312	changed = true;	293	changed = true;
313	}	294	}
314		295
		296	if (!(flags & IM_TILE)
		297	|| h_scale || v_scale
		298	|| (!(flags & IM_ROOT_ALIGN) && (h_align || v_align)))
		299	flags |= IM_IS_SIZE_SENSITIVE;
		300	else
		301	flags &= ~IM_IS_SIZE_SENSITIVE;
		302
315	return changed;	303	return changed;
316	}	304	}
317		305
318	void	306	void
319	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	307	rxvt_term::get_image_geometry (rxvt_image &image, int &w, int &h, int &x, int &y)
320	{	308	{
		309	int image_width = image.width ();
		310	int image_height = image.height ();
321	int target_width = szHint.width;	311	int target_width = szHint.width;
322	int target_height = szHint.height;	312	int target_height = szHint.height;
		313	int h_scale = min (image.h_scale, 32767 * 100 / target_width);
		314	int v_scale = min (image.v_scale, 32767 * 100 / target_height);
323		315
324	w = h_scale * target_width / 100;	316	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	317	h = v_scale * target_height / 100;
326		318
327	if (bg_flags & BG_PROP_SCALE)	319	if (image.flags & IM_KEEP_ASPECT)
328	{	320	{
329	float scale = (float)w / image_width;	321	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	322	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	323	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	324	h = image_height * scale + 0.5;
333	}	325	}
334		326
335	if (!w) w = image_width;	327	if (!w) w = image_width;
336	if (!h) h = image_height;	328	if (!h) h = image_height;
337		329
338	if (bg_flags & BG_ROOT_ALIGN)	330	if (image.flags & IM_ROOT_ALIGN)
339	{	331	{
340	x = -target_x;	332	x = -target_x;
341	y = -target_y;	333	y = -target_y;
342	}	334	}
343	else	335	else
344	{	336	{
345	x = make_align_position (h_align, target_width, w);	337	x = make_align_position (image.h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	338	y = make_align_position (image.v_align, target_height, h);
347	}
348
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;
355	}
356
357	# ifdef HAVE_AFTERIMAGE
358	bool
359	rxvt_term::render_image (unsigned long tr_flags)
360	{
361	init_asv ();
362
363	ASImage *background = NULL;
364	ARGB32 background_tint = TINT_LEAVE_SAME;
365
366	# ifdef ENABLE_TRANSPARENCY
367	if (tr_flags)
368	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);
369
370	if (tr_flags & BG_NEEDS_TINT)
371	{	339	}
372	ShadingInfo as_shade;	340	}
373	as_shade.shading = shade;
374		341
375	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	342	# ifdef HAVE_PIXBUF
376	if (bg_flags & BG_TINT_SET)	343	bool
377	tint.get (c);	344	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
378	as_shade.tintColor.red = c.r;	345	int src_x, int src_y, int dst_x, int dst_y,
379	as_shade.tintColor.green = c.g;	346	unsigned int width, unsigned int height, bool argb)
380	as_shade.tintColor.blue = c.b;	347	{
		348	XImage *ximage;
		349	char *line;
		350	int width_r, width_g, width_b, width_a;
		351	int sh_r, sh_g, sh_b, sh_a;
		352	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		353	int rowstride;
		354	int channels;
		355	unsigned char *row;
381		356
382	background_tint = shading2tint32 (&as_shade);	357	if (visual->c_class != TrueColor)
		358	return false;
		359
		360	if (argb)
383	}	361	{
384		362	red_mask = 0xff << 16;
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	363	green_mask = 0xff << 8;
		364	blue_mask = 0xff;
		365	alpha_mask = 0xff << 24;
386	{	366	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	367	else
388	ASA_XImage,	368	{
389	100, ASIMAGE_QUALITY_DEFAULT);	369	red_mask = visual->red_mask;
		370	green_mask = visual->green_mask;
		371	blue_mask = visual->blue_mask;
		372	#if XRENDER
		373	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
390	if (tmp)	374	if (format)
		375	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		376	else
		377	#endif
		378	alpha_mask = 0;
		379	}
		380
		381	width_r = ecb_popcount32 (red_mask);
		382	width_g = ecb_popcount32 (green_mask);
		383	width_b = ecb_popcount32 (blue_mask);
		384	width_a = ecb_popcount32 (alpha_mask);
		385
		386	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
		387	return false;
		388
		389	sh_r = ecb_ctz32 (red_mask);
		390	sh_g = ecb_ctz32 (green_mask);
		391	sh_b = ecb_ctz32 (blue_mask);
		392	sh_a = ecb_ctz32 (alpha_mask);
		393
		394	if (width > 32767 || height > 32767)
		395	return false;
		396
		397	ximage = XCreateImage (dpy, visual, argb ? 32 : depth, ZPixmap, 0, 0,
		398	width, height, 32, 0);
		399	if (!ximage)
		400	return false;
		401
		402	if (height > INT_MAX / ximage->bytes_per_line
		403	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
		404	{
		405	XDestroyImage (ximage);
		406	return false;
		407	}
		408
		409	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		410
		411	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		412	channels = gdk_pixbuf_get_n_channels (pixbuf);
		413	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		414	line = ximage->data;
		415
		416	rgba c (0, 0, 0);
		417
		418	if (channels == 4 && alpha_mask == 0)
		419	{
		420	pix_colors[Color_bg].get (c);
		421	c.r >>= 8;
		422	c.g >>= 8;
		423	c.b >>= 8;
		424	}
		425
		426	for (int y = 0; y < height; y++)
		427	{
		428	for (int x = 0; x < width; x++)
		429	{
		430	unsigned char *pixel = row + x * channels;
		431	uint32_t value;
		432	unsigned char r, g, b, a;
		433
		434	if (channels == 4)
391	{	435	{
392	destroy_asimage (&background);	436	a = pixel[3];
393	background = tmp;	437	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		438	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		439	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		440	}
		441	else
		442	{
		443	a = 0xff;
		444	r = pixel[0];
		445	g = pixel[1];
		446	b = pixel[2];
		447	}
		448
		449	value = ((r >> (8 - width_r)) << sh_r)
		450	| ((g >> (8 - width_g)) << sh_g)
		451	| ((b >> (8 - width_b)) << sh_b)
		452	| ((a >> (8 - width_a)) << sh_a);
		453
		454	if (ximage->bits_per_pixel == 32)
		455	((uint32_t *)line)[x] = value;
		456	else
		457	XPutPixel (ximage, x, y, value);
394	}	458	}
395	}
396	# endif
397		459
398	ASImage *result = 0;	460	row += rowstride;
		461	line += ximage->bytes_per_line;
		462	}
		463
		464	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		465	XDestroyImage (ximage);
		466	return true;
		467	}
		468
		469	bool
		470	rxvt_term::render_image (rxvt_image &image)
		471	{
		472	GdkPixbuf *pixbuf = image.pixbuf;
		473	if (!pixbuf)
		474	return false;
		475
		476	bool need_blend = bg_flags & BG_IS_VALID;
		477
		478	if (need_blend
		479	&& !(bg_flags & BG_HAS_RENDER))
		480	return false;
		481
		482	GdkPixbuf *result;
		483
		484	int image_width = gdk_pixbuf_get_width (pixbuf);
		485	int image_height = gdk_pixbuf_get_height (pixbuf);
399		486
400	int target_width = szHint.width;	487	int target_width = szHint.width;
401	int target_height = szHint.height;	488	int target_height = szHint.height;
402	int new_pmap_width = target_width;	489	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	490	int new_pmap_height = target_height;
…		…
405	int x = 0;	492	int x = 0;
406	int y = 0;	493	int y = 0;
407	int w = 0;	494	int w = 0;
408	int h = 0;	495	int h = 0;
409		496
410	if (original_asim)	497	get_image_geometry (image, w, h, x, y);
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412		498
413	if (!original_asim	499	if (!(image.flags & IM_ROOT_ALIGN)
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width	500	&& (x >= target_width
416	|| y >= target_height	501	|| y >= target_height
417	|| (x + w <= 0)	502	|| x + w <= 0
418	|| (y + h <= 0))))	503	|| y + h <= 0))
		504	return false;
		505
		506	result = pixbuf;
		507
		508	if (w != image_width
		509	|| h != image_height)
		510	{
		511	result = gdk_pixbuf_scale_simple (pixbuf,
		512	w, h,
		513	GDK_INTERP_BILINEAR);
419	{	514	}
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425		515
426	if (background_tint != TINT_LEAVE_SAME)	516	if (!result)
		517	return false;
		518
		519	bool ret = false;
		520
		521	XGCValues gcv;
		522	GC gc;
		523	Pixmap tmp_pixmap;
		524
		525	image_width = gdk_pixbuf_get_width (result);
		526	image_height = gdk_pixbuf_get_height (result);
		527
		528	if (need_blend)
		529	tmp_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, 32);
		530	else
		531	{
		532	if (image.flags & IM_TILE)
427	{	533	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,	534	new_pmap_width = min (image_width, target_width);
429	target_width, target_height, background_tint,	535	new_pmap_height = min (image_height, target_height);
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}	536	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441		537
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	ASA_XImage,
448	100, ASIMAGE_QUALITY_DEFAULT);
449	}
450
451	if (background == NULL)
452	{
453	if (bg_flags & BG_TILE)
454	{
455	/* if tiling - pixmap has to be sized exactly as the image,
456	but there is no need to make it bigger than the window! */
457	new_pmap_width = min (result->width, target_width);
458	new_pmap_height = min (result->height, target_height);
459
460	/* we also need to tile our image in both directions */
461	ASImage *tmp = tile_asimage (asv, result,
462	(int)result->width - x,
463	(int)result->height - y,
464	new_pmap_width,
465	new_pmap_height,
466	TINT_LEAVE_SAME, ASA_XImage,
467	100, ASIMAGE_QUALITY_DEFAULT);
468	if (tmp)
469	{
470	if (result != original_asim)
471	destroy_asimage (&result);
472
473	result = tmp;
474	}
475	}
476	}
477	else
478	{
479	/* if blending background and image - pixmap has to be sized same as target window */
480	ASImageLayer *layers = create_image_layers (2);
481
482	layers[0].im = background;
483	layers[0].clip_width = target_width;
484	layers[0].clip_height = target_height;
485	layers[0].tint = background_tint;
486	layers[1].im = result;
487
488	if (bg_flags & BG_TILE)
489	{
490	/* tile horizontally */
491	while (x > 0) x -= (int)result->width;
492	layers[1].dst_x = x;
493	layers[1].clip_width = result->width+target_width;
494	}
495	else
496	{
497	/* clip horizontally */
498	layers[1].dst_x = x;
499	layers[1].clip_width = result->width;
500	}
501
502	if (bg_flags & BG_TILE)
503	{
504	while (y > 0) y -= (int)result->height;
505	layers[1].dst_y = y;
506	layers[1].clip_height = result->height + target_height;
507	}
508	else
509	{
510	layers[1].dst_y = y;
511	layers[1].clip_height = result->height;
512	}
513
514	if (rs[Rs_blendtype])
515	{
516	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
517	if (layers[1].merge_scanlines == NULL)
518	layers[1].merge_scanlines = alphablend_scanlines;
519	}
520
521	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
522	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
523
524	if (tmp)
525	{
526	if (result != original_asim)
527	destroy_asimage (&result);
528
529	result = tmp;
530	}
531
532	free (layers);
533	}
534	}
535
536	bool ret = false;
537
538	if (result)
539	{
540	XGCValues gcv;
541	GC gc;
542
543	/* create Pixmap */
544	if (bg_pixmap == None	538	if (bg_pixmap == None
545	|| bg_pmap_width != new_pmap_width	539	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)	540	|| bg_pmap_height != new_pmap_height)
547	{	541	{
548	if (bg_pixmap)	542	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);	543	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	544	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;	545	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;	546	bg_pmap_height = new_pmap_height;
553	}	547	}
554	/* fill with background color (if result's not completely overlapping it) */
555	gcv.foreground = pix_colors[Color_bg];
556	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
557		548
558	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
559	int dst_width = result->width, dst_height = result->height;
560	if (background == NULL)
561	{
562	if (!(bg_flags & BG_TILE))
563	{
564	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
565	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
566	}
567
568	if (dst_x > 0 || dst_y > 0
569	|| dst_x + dst_width < new_pmap_width
570	|| dst_y + dst_height < new_pmap_height)
571	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
572	}
573
574	/* put result on pixmap */
575	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
576	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
577
578	if (result != background && result != original_asim)
579	destroy_asimage (&result);
580
581	XFreeGC (dpy, gc);
582
583	ret = true;
584	}
585
586	if (background)
587	destroy_asimage (&background);
588
589	return ret;
590	}
591	# endif /* HAVE_AFTERIMAGE */
592
593	# ifdef HAVE_PIXBUF
594	bool
595	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
596	int src_x, int src_y, int dst_x, int dst_y,
597	unsigned int width, unsigned int height)
598	{
599	XImage *ximage;
600	char *data, *line;
601	int bytes_per_pixel;
602	int width_r, width_g, width_b;
603	int sh_r, sh_g, sh_b;
604	int rowstride;
605	int channels;
606	unsigned char *row;
607
608	if (visual->c_class != TrueColor)
609	return false;
610
611	if (depth == 24 || depth == 32)
612	bytes_per_pixel = 4;
613	else if (depth == 15 || depth == 16)
614	bytes_per_pixel = 2;
615	else
616	return false;
617
618	width_r = ecb_popcount32 (visual->red_mask);
619	width_g = ecb_popcount32 (visual->green_mask);
620	width_b = ecb_popcount32 (visual->blue_mask);
621
622	if (width_r > 8 || width_g > 8 || width_b > 8)
623	return false;
624
625	sh_r = ecb_ctz32 (visual->red_mask);
626	sh_g = ecb_ctz32 (visual->green_mask);
627	sh_b = ecb_ctz32 (visual->blue_mask);
628
629	if (width > INT_MAX / height / bytes_per_pixel)
630	return false;
631
632	data = (char *)malloc (width * height * bytes_per_pixel);
633	if (!data)
634	return false;
635
636	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
637	width, height, bytes_per_pixel * 8, 0);
638	if (!ximage)
639	{
640	free (data);
641	return false;
642	}
643
644	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
645
646	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
647	channels = gdk_pixbuf_get_n_channels (pixbuf);
648	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
649	line = data;
650
651	for (int y = 0; y < height; y++)
652	{
653	for (int x = 0; x < width; x++)
654	{
655	unsigned char *pixel = row + x * channels;
656	uint32_t value;
657
658	value = ((pixel[0] >> (8 - width_r)) << sh_r)
659	| ((pixel[1] >> (8 - width_g)) << sh_g)
660	| ((pixel[2] >> (8 - width_b)) << sh_b);
661
662	if (bytes_per_pixel == 4)
663	((uint32_t *)line)[x] = value;
664	else
665	((uint16_t *)line)[x] = value;
666	}
667
668	row += rowstride;
669	line += ximage->bytes_per_line;
670	}
671
672	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
673	XDestroyImage (ximage);
674	return true;
675	}
676
677	bool
678	rxvt_term::render_image (unsigned long tr_flags)
679	{
680	if (!pixbuf)
681	return false;
682
683	if (tr_flags
684	&& !(bg_flags & BG_HAS_RENDER))
685	return false;
686
687	GdkPixbuf *result;
688
689	int image_width = gdk_pixbuf_get_width (pixbuf);
690	int image_height = gdk_pixbuf_get_height (pixbuf);
691
692	int target_width = szHint.width;
693	int target_height = szHint.height;
694	int new_pmap_width = target_width;
695	int new_pmap_height = target_height;
696
697	int x = 0;
698	int y = 0;
699	int w = 0;
700	int h = 0;
701
702	get_image_geometry (image_width, image_height, w, h, x, y);
703
704	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width
706	|| y >= target_height
707	|| (x + w <= 0)
708	|| (y + h <= 0)))
709	return false;
710
711	result = pixbuf;
712
713	if ((w != image_width)
714	|| (h != image_height))
715	{
716	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,
718	GDK_INTERP_BILINEAR);
719	}
720
721	if (!result)
722	return false;
723
724	bool ret = false;
725
726	XGCValues gcv;
727	GC gc;
728	Pixmap root_pmap;
729
730	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);
732
733	if (tr_flags)
734	{
735	root_pmap = bg_pixmap;	549	tmp_pixmap = bg_pixmap;
736	bg_pixmap = None;
737	}
738	else
739	{
740	if (bg_flags & BG_TILE)
741	{
742	new_pmap_width = min (image_width, target_width);
743	new_pmap_height = min (image_height, target_height);
744	}
745	}
746
747	if (bg_pixmap == None
748	|| bg_pmap_width != new_pmap_width
749	|| bg_pmap_height != new_pmap_height)
750	{
751	if (bg_pixmap)
752	XFreePixmap (dpy, bg_pixmap);
753	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
754	bg_pmap_width = new_pmap_width;
755	bg_pmap_height = new_pmap_height;
756	}	550	}
757		551
758	gcv.foreground = pix_colors[Color_bg];	552	gcv.foreground = pix_colors[Color_bg];
759	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	553	gc = XCreateGC (dpy, tmp_pixmap, GCForeground, &gcv);
760		554
761	if (gc)	555	if (gc)
762	{	556	{
763	if (bg_flags & BG_TILE)	557	if (image.flags & IM_TILE)
764	{	558	{
765	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	559	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, need_blend ? 32 : depth);
766	pixbuf_to_pixmap (result, tile, gc,	560	pixbuf_to_pixmap (result, tile, gc,
767	0, 0,	561	0, 0,
768	0, 0,	562	0, 0,
769	image_width, image_height);	563	image_width, image_height, need_blend);
770		564
771	gcv.tile = tile;	565	gcv.tile = tile;
772	gcv.fill_style = FillTiled;	566	gcv.fill_style = FillTiled;
773	gcv.ts_x_origin = x;	567	gcv.ts_x_origin = x;
774	gcv.ts_y_origin = y;	568	gcv.ts_y_origin = y;
775	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	569	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
776		570
777	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	571	XFillRectangle (dpy, tmp_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
778	XFreePixmap (dpy, tile);	572	XFreePixmap (dpy, tile);
779	}	573	}
780	else	574	else
781	{	575	{
782	int src_x, src_y, dst_x, dst_y;	576	int src_x, src_y, dst_x, dst_y;
…		…
786	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	580	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
787		581
788	if (dst_x > 0 || dst_y > 0	582	if (dst_x > 0 || dst_y > 0
789	|| dst_x + dst_width < new_pmap_width	583	|| dst_x + dst_width < new_pmap_width
790	|| dst_y + dst_height < new_pmap_height)	584	|| dst_y + dst_height < new_pmap_height)
791	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);
792		586
793	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	587	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
794	pixbuf_to_pixmap (result, bg_pixmap, gc,	588	pixbuf_to_pixmap (result, tmp_pixmap, gc,
795	src_x, src_y,	589	src_x, src_y,
796	dst_x, dst_y,	590	dst_x, dst_y,
797	dst_width, dst_height);	591	dst_width, dst_height, need_blend);
798	}	592	}
799		593
800	#if XRENDER	594	#if XRENDER
801	if (tr_flags)	595	if (need_blend)
802	{	596	{
803	XRenderPictureAttributes pa;	597	XRenderPictFormat *argb_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	598	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		599
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	600	Picture src = XRenderCreatePicture (dpy, tmp_pixmap, argb_format, 0, 0);
807		601
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	602	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		603
811	pa.repeat = True;	604	Picture mask = create_xrender_mask (dpy, vt, False, False);
812	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
813	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
814	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
815	XFreePixmap (dpy, mask_pmap);
816		605
817	XRenderColor mask_c;	606	XRenderColor mask_c;
818		607
819	mask_c.alpha = 0x8000;	608	mask_c.alpha = 0x8000;
820	mask_c.red = 0;	609	mask_c.red =
821	mask_c.green = 0;	610	mask_c.green =
822	mask_c.blue = 0;	611	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	612	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		613
824	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	614	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
825		615
826	XRenderFreePicture (dpy, src);	616	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	617	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	618	XRenderFreePicture (dpy, mask);
…		…
835	}	625	}
836		626
837	if (result != pixbuf)	627	if (result != pixbuf)
838	g_object_unref (result);	628	g_object_unref (result);
839		629
840	if (tr_flags)	630	if (need_blend)
841	XFreePixmap (dpy, root_pmap);	631	XFreePixmap (dpy, tmp_pixmap);
842		632
843	return ret;	633	return ret;
844	}	634	}
845	# endif /* HAVE_PIXBUF */	635	# endif /* HAVE_PIXBUF */
846		636
847	bool	637	bool
848	rxvt_term::bg_set_file (const char *file)	638	rxvt_image::set_file (const char *file)
849	{	639	{
850	if (!file || !*file)	640	if (!file || !*file)
851	return false;	641	return false;
852		642
853	bool ret = false;	643	bool ret = false;
…		…
860	memcpy (f, file, len);	650	memcpy (f, file, len);
861	f[len] = '\0';	651	f[len] = '\0';
862	file = f;	652	file = f;
863	}	653	}
864		654
865	# ifdef HAVE_AFTERIMAGE
866	if (!asimman)
867	asimman = create_generic_imageman (rs[Rs_path]);
868	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
869	if (image)
870	{
871	if (original_asim)
872	safe_asimage_destroy (original_asim);
873	original_asim = image;
874	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
875	ret = true;
876	}
877	# endif
878
879	# ifdef HAVE_PIXBUF	655	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	656	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	657	if (image)
882	{	658	{
883	if (pixbuf)	659	if (pixbuf)
884	g_object_unref (pixbuf);	660	g_object_unref (pixbuf);
885	pixbuf = image;	661	pixbuf = image;
886	bg_flags |= BG_IS_FROM_FILE;
887	ret = true;	662	ret = true;
888	}	663	}
889	# endif	664	# endif
890		665
891	if (ret)	666	if (ret)
892	{	667	{
		668	flags = IM_IS_SET | IM_IS_SIZE_SENSITIVE;
		669	h_scale = v_scale = defaultScale;
		670	h_align = v_align = defaultAlign;
		671
893	if (p)	672	if (p)
894	bg_set_geometry (p + 1);	673	set_geometry (p + 1);
895	else
896	bg_set_default_geometry ();
897	}	674	}
898		675
899	return ret;	676	return ret;
900	}	677	}
901		678
902	# endif /* BG_IMAGE_FROM_FILE */	679	# endif /* BG_IMAGE_FROM_FILE */
903		680
904	# ifdef ENABLE_TRANSPARENCY	681	# ifdef ENABLE_TRANSPARENCY
905	bool
906	rxvt_term::bg_set_transparent ()
907	{
908	if (!(bg_flags & BG_IS_TRANSPARENT))
909	{
910	bg_flags |= BG_IS_TRANSPARENT;
911	return true;
912	}
913
914	return false;
915	}
916
917	bool	682	bool
918	rxvt_term::bg_set_blur (const char *geom)	683	rxvt_term::bg_set_blur (const char *geom)
919	{	684	{
920	bool changed = false;	685	bool changed = false;
921	unsigned int hr, vr;	686	unsigned int hr, vr;
…		…
940	{	705	{
941	changed = true;	706	changed = true;
942	v_blurRadius = vr;	707	v_blurRadius = vr;
943	}	708	}
944		709
945	if (v_blurRadius == 0 && h_blurRadius == 0)
946	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags |= BG_NEEDS_BLUR;
949
950	return changed;	710	return changed;
951	}	711	}
952		712
953	void	713	bool
954	rxvt_term::set_tint_shade_flags ()	714	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	715	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	716	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	717	{
958		718	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	719	bg_flags |= BG_TINT_SET;
960		720
961	if (bg_flags & BG_TINT_SET)	721	rgba c;
962	{
963	tint.get (c);	722	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	723	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	724	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	725	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	726	bg_flags |= BG_TINT_BITAND;
969	}	727	else
970
971	if (has_shade || (bg_flags & BG_TINT_SET))
972	bg_flags |= BG_NEEDS_TINT;
973	}
974
975	bool
976	rxvt_term::bg_set_tint (rxvt_color &new_tint)
977	{
978	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
979	{
980	tint = new_tint;
981	bg_flags |= BG_TINT_SET;	728	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	729
983	return true;	730	return true;
984	}	731	}
985		732
986	return false;	733	return false;
987	}	734	}
988		735
989	bool	736	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
991	{	738	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
993		740
994	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	742	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
997		744
998	if (new_shade != shade)	745	if (new_shade != shade)
999	{	746	{
1000	shade = new_shade;	747	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	748	return true;
1003	}	749	}
1004		750
1005	return false;	751	return false;
1006	}	752	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	773	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	774	}
1029	#endif	775	#endif
1030		776
1031	bool	777	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	778	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	779	{
1034	bool ret = false;	780	bool ret = false;
1035	#if XRENDER	781	#if XRENDER
		782	if (!(bg_flags & BG_HAS_RENDER_CONV))
		783	return false;
		784
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	785	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	786	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	787	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		788
1040	XRenderPictureAttributes pa;	789	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	790	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		791
		792	pa.repeat = RepeatPad;
1043	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	793	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		794	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	795	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		796	XFreePixmap (dpy, tmp);
1045		797
1046	if (kernel && params)	798	if (kernel && params)
1047	{	799	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	800	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	801	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		802
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	803	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	804	XRenderComposite (dpy,
1055	PictOpSrc,	805	PictOpSrc,
1056	src,	806	src,
1057	None,	807	None,
1058	dst,	808	dst,
1059	0, 0,	809	0, 0,
1060	0, 0,	810	0, 0,
1061	0, 0,	811	0, 0,
1062	width, height);	812	width, height);
1063	}
1064		813
1065	if (v_blurRadius)	814	::swap (src, dst);
1066	{	815
1067	size = v_blurRadius * 2 + 1;	816	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	817	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	818	::swap (params[0], params[1]);
1070		819
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	820	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	821	XRenderComposite (dpy,
1073	PictOpSrc,	822	PictOpSrc,
1074	src,	823	src,
1075	None,	824	None,
1076	dst,	825	dst,
1077	0, 0,	826	0, 0,
1078	0, 0,	827	0, 0,
1079	0, 0,	828	0, 0,
1080	width, height);	829	width, height);
1081	}
1082		830
1083	ret = true;	831	ret = true;
1084	}	832	}
1085		833
1086	free (kernel);	834	free (kernel);
…		…
1090	#endif	838	#endif
1091	return ret;	839	return ret;
1092	}	840	}
1093		841
1094	bool	842	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	843	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	844	{
1097	bool ret = false;	845	bool ret = false;
1098		846
1099	if (bg_flags & BG_TINT_BITAND)	847	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	848	{
1101	XGCValues gcv;	849	XGCValues gcv;
1102	GC gc;	850	GC gc;
1103		851
1104	/* In this case we can tint image server-side getting significant	852	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	861	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	862	ret = true;
1115	XFreeGC (dpy, gc);	863	XFreeGC (dpy, gc);
1116	}	864	}
1117	}	865	}
1118	else
1119	{
1120	# if XRENDER	866	# if XRENDER
		867	else if (bg_flags & BG_HAS_RENDER)
		868	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	869	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		870
1123	if (bg_flags & BG_TINT_SET)	871	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	872	tint.get (c);
1125		873
…		…
1134	c.r = c.r * (200 - shade) / 100;	882	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	883	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	884	c.b = c.b * (200 - shade) / 100;
1137	}	885	}
1138		886
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	887	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		888
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	889	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		890
1145	pa.repeat = True;	891	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		892
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	893	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1148	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1149	XFreePixmap (dpy, overlay_pmap);
1150
1151	pa.component_alpha = True;
1152	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1153	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1154	XFreePixmap (dpy, mask_pmap);
1155		894
1156	XRenderColor mask_c;	895	XRenderColor mask_c;
1157		896
1158	mask_c.alpha = 0xffff;	897	mask_c.alpha = 0xffff;
1159	mask_c.red =	898	mask_c.red =
…		…
1164	mask_c.alpha = 0;	903	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	904	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	905	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	906	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	907	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		908
1169	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	909	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1170		910
1171	if (shade > 100)	911	if (shade > 100)
1172	{	912	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	mask_c.alpha = 0;	913	mask_c.alpha = 0;
		914	mask_c.red =
		915	mask_c.green =
		916	mask_c.blue = 0xffff * (shade - 100) / 100;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	917	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		918
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	919	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178	}	920	}
1179		921
1180	ret = true;	922	ret = true;
1181		923
1182	XRenderFreePicture (dpy, mask_pic);	924	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	925	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	926	XRenderFreePicture (dpy, back_pic);
		927	}
1185	# endif	928	# endif
1186	}
1187		929
1188	return ret;	930	return ret;
1189	}	931	}
1190		932
1191	/*	933	/*
1192	* Builds a pixmap of the same size as the terminal window that contains	934	* Builds a pixmap of the same size as the terminal window that contains
1193	* the tiled portion of the root pixmap that is supposed to be covered by	935	* the tiled portion of the root pixmap that is supposed to be covered by
1194	* our window.	936	* our window.
1195	*/	937	*/
1196	unsigned long	938	bool
1197	rxvt_term::make_transparency_pixmap ()	939	rxvt_term::make_transparency_pixmap ()
1198	{	940	{
1199	unsigned long result = 0;	941	bool ret = false;
1200		942
1201	/* root dimensions may change from call to call - but Display structure should	943	/* root dimensions may change from call to call - but Display structure should
1202	* be always up-to-date, so let's use it :	944	* be always up-to-date, so let's use it :
1203	*/	945	*/
1204	int screen = display->screen;	946	int screen = display->screen;
…		…
1242	#if XRENDER	984	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	985	if (bg_flags & BG_HAS_RENDER)
1244	{	986	{
1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	987	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246		988
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	989	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	990	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		991
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	992	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	993	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		994
1255	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	995	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1256		996
1257	XRenderFreePicture (dpy, src);	997	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	998	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1015	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1016	bg_pmap_height = window_height;
1277	}	1017	}
1278		1018
1279	/* straightforward pixmap copy */	1019	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1020	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1021	while (sy < 0) sy += root_pmap_height;
1282		1022
1283	gcv.tile = recoded_root_pmap;	1023	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1024	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1025	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1026	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1027	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1028
1289	if (gc)	1029	if (gc)
1290	{	1030	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1031	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1032	ret = true;
		1033	bool need_blur = h_blurRadius && v_blurRadius;
		1034	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (need_blur)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1041	need_blur = false;
		1042	}
		1043	if (need_tint)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1046	need_tint = false;
		1047	}
		1048	if (need_tint)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1293	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1294
1295	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{
1297	if ((bg_flags & BG_NEEDS_BLUR)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;
1302	}
1303	if ((bg_flags & BG_NEEDS_TINT)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;
1308	}
1309	} /* server side rendering completed */
1310	}	1063	}
1311		1064
1312	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1314		1067
1315	return result;	1068	return ret;
1316	}	1069	}
1317		1070
1318	void	1071	void
1319	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1320	{	1073	{
…		…
1324		1077
1325	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1326	}	1079	}
1327	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1328		1081
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1331	# endif
1332
1333	bool	1082	bool
1334	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1335	{	1084	{
1336	unsigned long tr_flags = 0;
1337
1338	bg_invalidate ();	1085	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1086	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1087	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1088	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1089	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1090	if (make_transparency_pixmap ())
1344	if (tr_flags == 0)
1345	return false;
1346	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1347	bg_flags |= BG_IS_VALID;	1091	bg_flags |= BG_IS_VALID;
1348	}	1092	}
1349	# endif	1093	# endif
1350		1094
1351	# ifdef BG_IMAGE_FROM_FILE	1095	# ifdef BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1096	if (bg_image.flags & IM_IS_SET)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1097	{
1355	if (render_image (tr_flags))	1098	if (render_image (bg_image))
1356	bg_flags |= BG_IS_VALID;	1099	bg_flags |= BG_IS_VALID;
1357	}
1358	# endif
1359
1360	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1361	XImage *result = NULL;
1362
1363	if (tr_flags && !(bg_flags & BG_IS_VALID))
1364	{
1365	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1366	}
1367
1368	if (result)
1369	{
1370	/* our own client-side tinting */
1371	if (tr_flags & BG_NEEDS_TINT)
1372	{
1373	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1374	if (bg_flags & BG_TINT_SET)
1375	tint.get (c);
1376	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1377	}
1378
1379	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1380
1381	if (gc)
1382	{
1383	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1384
1385	XFreeGC (dpy, gc);
1386	bg_flags |= BG_IS_VALID;
1387	}
1388
1389	XDestroyImage (result);
1390	}	1100	}
1391	# endif	1101	# endif
1392		1102
1393	if (!(bg_flags & BG_IS_VALID))	1103	if (!(bg_flags & BG_IS_VALID))
1394	{	1104	{
…		…
1431	#endif	1141	#endif
1432	}	1142	}
1433		1143
1434	#endif /* HAVE_BG_PIXMAP */	1144	#endif /* HAVE_BG_PIXMAP */
1435		1145
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1146	#ifdef ENABLE_TRANSPARENCY
1437	/* based on code from aterm-0.4.2 */	1147	/* based on code from aterm-0.4.2 */
1438		1148
1439	static void	1149	static inline void
1440	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1150	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1151	{
		1152	for (int i = 0; i <= mask >> sh; i++)
		1153	{
		1154	uint32_t tmp;
		1155	tmp = i * high;
		1156	tmp += (mask >> sh) * low;
		1157	lookup[i] = (tmp / 0xffff) << sh;
		1158	}
		1159	}
		1160
		1161	void
		1162	rxvt_term::tint_ximage (XImage *ximage)
		1163	{
		1164	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1165	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1166	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1167	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1168	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1169	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1170
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1171	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1172
1452	/* for convenience */	1173	/* for convenience */
1453	mask_r = visual->red_mask;	1174	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1175	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1176	mask_b = visual->blue_mask;
1456		1177
1457	/* boring lookup table pre-initialization */	1178	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1179	sh_r = ecb_ctz32 (mask_r);
1459	{	1180	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1181	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1182
1462	(mask_g != 0x03e0) ||	1183	size_r = mask_r >> sh_r;
1463	(mask_b != 0x001f))	1184	size_g = mask_g >> sh_g;
		1185	size_b = mask_b >> sh_b;
		1186
		1187	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1464	return;	1188	return;
1465	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1189
		1190	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1466	lookup_r = lookup;	1191	lookup_r = lookup;
1467	lookup_g = lookup+32;	1192	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1193	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1194
1470	sh_g = 5;	1195	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1196
1472	break;	1197	if (bg_flags & BG_TINT_SET)
1473	case 16:	1198	tint.get (c);
1474	if ((mask_r != 0xf800) ||
1475	(mask_g != 0x07e0) ||
1476	(mask_b != 0x001f))
1477	return;
1478	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1479	lookup_r = lookup;
1480	lookup_g = lookup+32;
1481	lookup_b = lookup+32+64;
1482	sh_r = 11;
1483	sh_g = 5;
1484	sh_b = 0;
1485	break;
1486	case 24:
1487	if ((mask_r != 0xff0000) ||
1488	(mask_g != 0x00ff00) ||
1489	(mask_b != 0x0000ff))
1490	return;
1491	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1492	lookup_r = lookup;
1493	lookup_g = lookup+256;
1494	lookup_b = lookup+256+256;
1495	sh_r = 16;
1496	sh_g = 8;
1497	sh_b = 0;
1498	break;
1499	case 32:
1500	if ((mask_r != 0xff0000) ||
1501	(mask_g != 0x00ff00) ||
1502	(mask_b != 0x0000ff))
1503	return;
1504	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1505	lookup_r = lookup;
1506	lookup_g = lookup+256;
1507	lookup_b = lookup+256+256;
1508	sh_r = 16;
1509	sh_g = 8;
1510	sh_b = 0;
1511	break;
1512	default:
1513	return; /* we do not support this color depth */
1514	}
1515		1199
1516	/* prepare limits for color transformation (each channel is handled separately) */	1200	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1201	if (shade > 100)
1518	{	1202	{
1519	shade = 200 - shade;
1520
1521	high.r = c.r * shade / 100;
1522	high.g = c.g * shade / 100;
1523	high.b = c.b * shade / 100;
1524
1525	low.r = 65535 * (100 - shade) / 100;	1203	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1204	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1205	c.b = c.b * (200 - shade) / 100;
		1206
		1207	low = 0xffff * (shade - 100) / 100;
1528	}	1208	}
1529	else	1209	else
1530	{	1210	{
1531	high.r = c.r * shade / 100;	1211	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1212	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1213	c.b = c.b * shade / 100;
1534		1214
1535	low.r = low.g = low.b = 0;	1215	low = 0;
1536	}	1216	}
1537		1217
1538	/* fill our lookup tables */	1218	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1219	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1220	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1221	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1542	tmp = i * high.r;
1543	tmp += (mask_r>>sh_r) * low.r;
1544	lookup_r[i] = (tmp/65535)<<sh_r;
1545	}
1546	for (i = 0; i <= mask_g>>sh_g; i++)
1547	{
1548	uint32_t tmp;
1549	tmp = i * high.g;
1550	tmp += (mask_g>>sh_g) * low.g;
1551	lookup_g[i] = (tmp/65535)<<sh_g;
1552	}
1553	for (i = 0; i <= mask_b>>sh_b; i++)
1554	{
1555	uint32_t tmp;
1556	tmp = i * high.b;
1557	tmp += (mask_b>>sh_b) * low.b;
1558	lookup_b[i] = (tmp/65535)<<sh_b;
1559	}
1560		1222
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1223	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1224	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1225	&& ximage->byte_order == host_byte_order)
1565	{	1226	{
1566	uint32_t *p1, *pf, *p, *pl;	1227	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1228
1570	while (p1 < pf)	1229	for (int y = 0; y < ximage->height; y++)
1571	{
1572	p = p1;
1573	pl = p1 + ximage->width;
1574	for (; p < pl; p++)
1575	{	1230	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1231	uint32_t *p = (uint32_t *)line;
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1232	for (int x = 0; x < ximage->width; x++)
1578	lookup_b[(*p & 0x0000ff)] |
1579	(*p & 0xff000000);
1580	}	1233	{
1581	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1234	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1235	lookup_g[(*p & mask_g) >> sh_g] |
		1236	lookup_b[(*p & mask_b) >> sh_b];
		1237	p++;
		1238	}
		1239	line += ximage->bytes_per_line;
1582	}	1240	}
1583	}	1241	}
1584	else	1242	else
1585	{	1243	{
1586	for (int y = 0; y < ximage->height; y++)	1244	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1252	}
1595	}	1253	}
1596		1254
1597	free (lookup);	1255	free (lookup);
1598	}	1256	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1257	#endif /* ENABLE_TRANSPARENCY */

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