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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.153 by sf-exg, Sun May 8 21:07:43 2011 UTC vs.
Revision 1.210 by sf-exg, Sat May 12 09:43:06 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	/*	37	#ifndef RepeatPad
38	* Pixmap geometry string interpretation :	38	#define RepeatPad True
39	* Each geometry string contains zero or one scale/position	39	#endif
40	* adjustment and may optionally be followed by a colon and one or more
41	* colon-delimited pixmap operations.
42	* The following table shows the valid geometry strings and their
43	* effects on the background image :
44	*
45	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
46	* W and H are percentages of the terminal window size.
47	* X and Y are also percentages; e.g., +50+50 centers
48	* the image in the window.
49	*
50	* Pixmap Operations : (should be prepended by a colon)
51	* tile Tile image. Scaling/position modifiers above will affect
52	* the tile size and origin.
53	* propscale When scaling, scale proportionally. That is, maintain the
54	* proper aspect ratio for the image. Any portion of the
55	* background not covered by the image is filled with the
56	* current background color.
57	* hscale Scale horizontally, tile vertically ?
58	* vscale Tile horizontally, scale vertically ?
59	* scale Scale both up and down
60	* auto Same as 100x100+50+50
61	*/
62		40
63	#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
64	void	60	void
65	rxvt_term::bg_destroy ()	61	rxvt_term::bg_destroy ()
66	{	62	{
67	#ifdef HAVE_AFTERIMAGE
68	if (original_asim)
69	safe_asimage_destroy (original_asim);
70	if (asv)
71	destroy_asvisual (asv, 0);
72	if (asimman)
73	destroy_image_manager (asimman, 0);
74	#endif
75
76	#ifdef HAVE_PIXBUF	63	#ifdef HAVE_PIXBUF
77	if (pixbuf)	64	if (pixbuf)
78	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
79	#endif	66	#endif
80		67
…		…
133		120
134	return false;	121	return false;
135	}	122	}
136		123
137	# ifdef BG_IMAGE_FROM_FILE	124	# ifdef BG_IMAGE_FROM_FILE
138	static inline bool
139	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
140	{
141	if (geom_flags & flag)
142	{
143	if (new_value > 1000)
144	new_value = 1000;
145	if (new_value != scale)
146	{
147	scale = new_value;
148	return true;
149	}
150	}
151	return false;
152	}
153
154	static inline bool
155	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
156	{
157	if (geom_flags & flag)
158	{
159	if (new_value < -100)
160	new_value = -100;
161	else if (new_value > 200)
162	new_value = 200;
163	if (new_value != align)
164	{
165	align = new_value;
166	return true;
167	}
168	}
169	return false;
170	}
171
172	static inline int	125	static inline int
173	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
174	{	127	{
175	int diff = window_size - image_size;
176	int smaller = min (image_size, window_size);
177
178	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
179	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
180	else if (align > 100 && align <= 200)	130	else if (align > 100)
181	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
182	else if (align >= -100 && align < 0)	132	else
183	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
184	return 0;
185	}	134	}
186		135
187	static inline int	136	static inline int
188	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)	137	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
189	{	138	{
…		…
195	src_pos = -pos;	144	src_pos = -pos;
196	dst_pos = 0;	145	dst_pos = 0;
197	dst_size += pos;	146	dst_size += pos;
198	}	147	}
199		148
200	if (dst_pos + dst_size > target_size)
201	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
202	return src_pos;	150	return src_pos;
203	}	151	}
204		152
205	bool	153	bool
206	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
207	{	155	{
208	bool changed = false;	156	bool changed = false;
209	int geom_flags = 0;	157	int geom_flags = 0;
210	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
211	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
212	unsigned int n;	161	unsigned int h = v_scale;
213	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	162	unsigned long new_flags = 0;
214	const char *ops;
215		163
216	if (geom == NULL)	164	if (geom == NULL)
217	return false;	165	return false;
218		166
219	char str[256];	167	if (geom[0])
220
221	ops = strchr (geom, ':');
222	if (ops == NULL)
223	n = strlen (geom);
224	else
225	n = ops - geom;
226
227	if (n >= sizeof (str))
228	return false;
229
230	memcpy (str, geom, n);
231	str[n] = '\0';
232	rxvt_strtrim (str);
233
234	if (str[0])
235	{	168	{
236	/* we have geometry string - let's handle it prior to applying ops */	169	char **arr = rxvt_strsplit (':', geom);
		170
		171	for (int i = 0; arr[i]; i++)
		172	{
		173	if (!strcasecmp (arr[i], "style=tiled"))
		174	{
		175	new_flags = BG_TILE;
		176	w = h = noScale;
		177	x = y = 0;
		178	geom_flags = WidthValue|HeightValue|XValue|YValue;
		179	}
		180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
		181	{
		182	new_flags = BG_KEEP_ASPECT;
		183	w = h = windowScale;
		184	x = y = centerAlign;
		185	geom_flags = WidthValue|HeightValue|XValue|YValue;
		186	}
		187	else if (!strcasecmp (arr[i], "style=stretched"))
		188	{
		189	new_flags = 0;
		190	w = h = windowScale;
		191	geom_flags = WidthValue|HeightValue;
		192	}
		193	else if (!strcasecmp (arr[i], "style=centered"))
		194	{
		195	new_flags = 0;
		196	w = h = noScale;
		197	x = y = centerAlign;
		198	geom_flags = WidthValue|HeightValue|XValue|YValue;
		199	}
		200	else if (!strcasecmp (arr[i], "style=root-tiled"))
		201	{
		202	new_flags = BG_TILE|BG_ROOT_ALIGN;
		203	w = h = noScale;
		204	geom_flags = WidthValue|HeightValue;
		205	}
		206	else if (!strcasecmp (arr[i], "op=tile"))
		207	new_flags |= BG_TILE;
		208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
		209	new_flags |= BG_KEEP_ASPECT;
		210	else if (!strcasecmp (arr[i], "op=root-align"))
		211	new_flags |= BG_ROOT_ALIGN;
		212
		213	// deprecated
		214	else if (!strcasecmp (arr[i], "tile"))
		215	{
		216	new_flags |= BG_TILE;
		217	w = h = noScale;
		218	geom_flags |= WidthValue|HeightValue;
		219	}
		220	else if (!strcasecmp (arr[i], "propscale"))
		221	{
		222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
		225	}
		226	else if (!strcasecmp (arr[i], "hscale"))
		227	{
		228	new_flags |= BG_TILE;
		229	w = windowScale;
		230	h = noScale;
		231	geom_flags |= WidthValue|HeightValue;
		232	}
		233	else if (!strcasecmp (arr[i], "vscale"))
		234	{
		235	new_flags |= BG_TILE;
		236	h = windowScale;
		237	w = noScale;
		238	geom_flags |= WidthValue|HeightValue;
		239	}
		240	else if (!strcasecmp (arr[i], "scale"))
		241	{
		242	w = h = windowScale;
		243	geom_flags |= WidthValue|HeightValue;
		244	}
		245	else if (!strcasecmp (arr[i], "auto"))
		246	{
		247	w = h = windowScale;
		248	x = y = centerAlign;
		249	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		250	}
		251	else if (!strcasecmp (arr[i], "root"))
		252	{
		253	new_flags |= BG_TILE|BG_ROOT_ALIGN;
		254	w = h = noScale;
		255	geom_flags |= WidthValue|HeightValue;
		256	}
		257
		258	else
237	geom_flags = XParseGeometry (str, &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
238	} /* done parsing geometry string */	260	} /* done parsing ops */
		261
		262	rxvt_free_strsplit (arr);
		263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
239		266
240	if (!update)	267	if (!update)
241	{	268	{
242	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
243	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
248	w = h = defaultScale;	275	w = h = defaultScale;
249	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
250	h = w;	277	h = w;
251	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
252	w = h;	279	w = h;
253
254	geom_flags |= WidthValue|HeightValue|XValue|YValue;
255	}
256
257	if (ops)
258	{	280	}
259	char **arr = rxvt_strsplit (':', ops + 1);
260		281
261	for (int i = 0; arr[i]; i++)	282	min_it (w, 1000);
262	{	283	min_it (h, 1000);
263	if (!strcasecmp (arr[i], "tile"))	284	clamp_it (x, -100, 200);
264	{	285	clamp_it (y, -100, 200);
265	w = h = noScale;
266	geom_flags |= WidthValue|HeightValue;
267	}
268	else if (!strcasecmp (arr[i], "propscale"))
269	{
270	new_flags |= BG_PROP_SCALE;
271	}
272	else if (!strcasecmp (arr[i], "hscale"))
273	{
274	if (w == 0) w = windowScale;
275		286
276	h = noScale;	287	if (bg_flags != new_flags
277	geom_flags |= WidthValue|HeightValue;	288	|| h_scale != w
278	}	289	|| v_scale != h
279	else if (!strcasecmp (arr[i], "vscale"))	290	|| h_align != x
280	{	291	|| v_align != y)
281	if (h == 0) h = windowScale;
282
283	w = noScale;
284	geom_flags |= WidthValue|HeightValue;
285	}
286	else if (!strcasecmp (arr[i], "scale"))
287	{
288	if (h == 0) h = windowScale;
289	if (w == 0) w = windowScale;
290
291	geom_flags |= WidthValue|HeightValue;
292	}
293	else if (!strcasecmp (arr[i], "auto"))
294	{
295	w = h = windowScale;
296	x = y = centerAlign;
297	geom_flags |= WidthValue|HeightValue|XValue|YValue;
298	}
299	else if (!strcasecmp (arr[i], "root"))
300	{
301	new_flags |= BG_ROOT_ALIGN;
302	w = h = noScale;
303	geom_flags |= WidthValue|HeightValue;
304	}
305	} /* done parsing ops */
306
307	rxvt_free_strsplit (arr);
308	}
309
310	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;
311	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;
312	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;
313	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;
314
315	if (new_flags != bg_flags)
316	{	292	{
317	bg_flags = new_flags;	293	bg_flags = new_flags;
		294	h_scale = w;
		295	v_scale = h;
		296	h_align = x;
		297	v_align = y;
318	changed = true;	298	changed = true;
319	}	299	}
320		300
321	return changed;	301	return changed;
322	}	302	}
…		…
325	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)	305	rxvt_term::get_image_geometry (int image_width, int image_height, int &w, int &h, int &x, int &y)
326	{	306	{
327	int target_width = szHint.width;	307	int target_width = szHint.width;
328	int target_height = szHint.height;	308	int target_height = szHint.height;
329		309
		310	w = h_scale * target_width / 100;
		311	h = v_scale * target_height / 100;
		312
330	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
331	{	314	{
332	float scale = (float)target_width / image_width;	315	float scale = (float)w / image_width;
333	min_it (scale, (float)target_height / image_height);	316	min_it (scale, (float)h / image_height);
334	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
335	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
336	}	319	}
337	else
338	{
339	w = h_scale * target_width / 100;
340	h = v_scale * target_height / 100;
341	}
342		320
343	if (!w) w = image_width;	321	if (!w) w = image_width;
344	if (!h) h = image_height;	322	if (!h) h = image_height;
345		323
346	if (bg_flags & BG_ROOT_ALIGN)	324	if (bg_flags & BG_ROOT_ALIGN)
…		…
352	{	330	{
353	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
354	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
355	}	333	}
356		334
357	bg_flags &= ~BG_IS_SIZE_SENSITIVE;	335	if (!(bg_flags & BG_TILE)
358	if ((bg_flags & BG_PROP_SCALE) || h_scale || v_scale	336	|| h_scale || v_scale
359	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
360	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
361	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
362	}	342	}
363		343
364	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
365	bool	345	bool
366	rxvt_term::render_image (unsigned long tr_flags)	346	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
		347	int src_x, int src_y, int dst_x, int dst_y,
		348	unsigned int width, unsigned int height)
367	{	349	{
368	init_asv ();	350	XImage *ximage;
		351	char *line;
		352	int width_r, width_g, width_b, width_a;
		353	int sh_r, sh_g, sh_b, sh_a;
		354	uint32_t alpha_mask;
		355	int rowstride;
		356	int channels;
		357	unsigned char *row;
369		358
370	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
371	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
372		361
373	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
374	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
375	background = pixmap2ximage (asv, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, 100);	364	if (format)
		365	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		366	else
		367	#endif
		368	alpha_mask = 0;
376		369
377	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
378	{	371	width_g = ecb_popcount32 (visual->green_mask);
379	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
380	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
381		374
382	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	375	if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
383	if (bg_flags & BG_TINT_SET)	376	return false;
384	tint.get (c);
385	as_shade.tintColor.red = c.r;
386	as_shade.tintColor.green = c.g;
387	as_shade.tintColor.blue = c.b;
388		377
389	background_tint = shading2tint32 (&as_shade);	378	sh_r = ecb_ctz32 (visual->red_mask);
		379	sh_g = ecb_ctz32 (visual->green_mask);
		380	sh_b = ecb_ctz32 (visual->blue_mask);
		381	sh_a = ecb_ctz32 (alpha_mask);
		382
		383	if (width > 32767 || height > 32767)
		384	return false;
		385
		386	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, 0,
		387	width, height, 32, 0);
		388	if (!ximage)
		389	return false;
		390
		391	if (height > INT_MAX / ximage->bytes_per_line
		392	|| !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
390	}	393	{
391		394	XDestroyImage (ximage);
392	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
393	{	396	}
394	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
395	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
396	100, ASIMAGE_QUALITY_DEFAULT);	399
397	if (tmp)	400	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		401	channels = gdk_pixbuf_get_n_channels (pixbuf);
		402	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
		403	line = ximage->data;
		404
		405	rgba c (0, 0, 0);
		406
		407	if (channels == 4 && alpha_mask == 0)
		408	{
		409	pix_colors[Color_bg].get (c);
		410	c.r >>= 8;
		411	c.g >>= 8;
		412	c.b >>= 8;
		413	}
		414
		415	for (int y = 0; y < height; y++)
		416	{
		417	for (int x = 0; x < width; x++)
		418	{
		419	unsigned char *pixel = row + x * channels;
		420	uint32_t value;
		421	unsigned char r, g, b, a;
		422
		423	if (channels == 4)
398	{	424	{
399	destroy_asimage (&background);	425	a = pixel[3];
400	background = tmp;	426	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
		427	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
		428	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
		429	}
		430	else
		431	{
		432	a = 0xff;
		433	r = pixel[0];
		434	g = pixel[1];
		435	b = pixel[2];
		436	}
		437
		438	value = ((r >> (8 - width_r)) << sh_r)
		439	| ((g >> (8 - width_g)) << sh_g)
		440	| ((b >> (8 - width_b)) << sh_b)
		441	| ((a >> (8 - width_a)) << sh_a);
		442
		443	if (ximage->bits_per_pixel == 32)
		444	((uint32_t *)line)[x] = value;
		445	else
		446	XPutPixel (ximage, x, y, value);
401	}	447	}
402	}
403	# endif
404		448
405	ASImage *result = 0;	449	row += rowstride;
		450	line += ximage->bytes_per_line;
		451	}
		452
		453	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		454	XDestroyImage (ximage);
		455	return true;
		456	}
		457
		458	bool
		459	rxvt_term::render_image (bool transparent)
		460	{
		461	if (!pixbuf)
		462	return false;
		463
		464	if (transparent
		465	&& !(bg_flags & BG_HAS_RENDER))
		466	return false;
		467
		468	GdkPixbuf *result;
		469
		470	int image_width = gdk_pixbuf_get_width (pixbuf);
		471	int image_height = gdk_pixbuf_get_height (pixbuf);
406		472
407	int target_width = szHint.width;	473	int target_width = szHint.width;
408	int target_height = szHint.height;	474	int target_height = szHint.height;
409	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
410	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
412	int x = 0;	478	int x = 0;
413	int y = 0;	479	int y = 0;
414	int w = 0;	480	int w = 0;
415	int h = 0;	481	int h = 0;
416		482
417	if (original_asim)
418	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
419
420	if (!original_asim
421	|| (!(bg_flags & BG_ROOT_ALIGN)
422	&& (x >= target_width
423	|| y >= target_height
424	|| (x + w <= 0)
425	|| (y + h <= 0))))
426	{
427	if (background)
428	{
429	new_pmap_width = background->width;
430	new_pmap_height = background->height;
431	result = background;
432
433	if (background_tint != TINT_LEAVE_SAME)
434	{
435	ASImage *tmp = tile_asimage (asv, background, 0, 0,
436	target_width, target_height, background_tint,
437	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
438	if (tmp)
439	result = tmp;
440	}
441	}
442	else
443	new_pmap_width = new_pmap_height = 0;
444	}
445	else
446	{
447	result = original_asim;
448
449	if ((w != original_asim->width)
450	|| (h != original_asim->height))
451	{
452	result = scale_asimage (asv, original_asim,
453	w, h,
454	background ? ASA_ASImage : ASA_XImage,
455	100, ASIMAGE_QUALITY_DEFAULT);
456	}
457
458	if (background == NULL)
459	{
460	if (h_scale == 0 || v_scale == 0)
461	{
462	/* if tiling - pixmap has to be sized exactly as the image,
463	but there is no need to make it bigger than the window! */
464	new_pmap_width = min (result->width, target_width);
465	new_pmap_height = min (result->height, target_height);
466
467	/* we also need to tile our image in both directions */
468	ASImage *tmp = tile_asimage (asv, result,
469	(int)result->width - x,
470	(int)result->height - y,
471	new_pmap_width,
472	new_pmap_height,
473	TINT_LEAVE_SAME, ASA_XImage,
474	100, ASIMAGE_QUALITY_DEFAULT);
475	if (tmp)
476	{
477	if (result != original_asim)
478	destroy_asimage (&result);
479
480	result = tmp;
481	}
482	}
483	}
484	else
485	{
486	/* if blending background and image - pixmap has to be sized same as target window */
487	ASImageLayer *layers = create_image_layers (2);
488
489	layers[0].im = background;
490	layers[0].clip_width = target_width;
491	layers[0].clip_height = target_height;
492	layers[0].tint = background_tint;
493	layers[1].im = result;
494
495	if (h_scale == 0 || v_scale == 0)
496	{
497	/* tile horizontally */
498	while (x > 0) x -= (int)result->width;
499	layers[1].dst_x = x;
500	layers[1].clip_width = result->width+target_width;
501	}
502	else
503	{
504	/* clip horizontally */
505	layers[1].dst_x = x;
506	layers[1].clip_width = result->width;
507	}
508
509	if (h_scale == 0 || v_scale == 0)
510	{
511	while (y > 0) y -= (int)result->height;
512	layers[1].dst_y = y;
513	layers[1].clip_height = result->height + target_height;
514	}
515	else
516	{
517	layers[1].dst_y = y;
518	layers[1].clip_height = result->height;
519	}
520
521	if (rs[Rs_blendtype])
522	{
523	layers[1].merge_scanlines = blend_scanlines_name2func (rs[Rs_blendtype]);
524	if (layers[1].merge_scanlines == NULL)
525	layers[1].merge_scanlines = alphablend_scanlines;
526	}
527
528	ASImage *tmp = merge_layers (asv, layers, 2, target_width, target_height,
529	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
530
531	if (tmp)
532	{
533	if (result != original_asim)
534	destroy_asimage (&result);
535
536	result = tmp;
537	}
538
539	free (layers);
540	}
541	}
542
543	bool ret = false;
544
545	if (result)
546	{
547	XGCValues gcv;
548	GC gc;
549
550	/* create Pixmap */
551	if (bg_pixmap == None
552	|| bg_pmap_width != new_pmap_width
553	|| bg_pmap_height != new_pmap_height)
554	{
555	if (bg_pixmap)
556	XFreePixmap (dpy, bg_pixmap);
557	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
558	bg_pmap_width = new_pmap_width;
559	bg_pmap_height = new_pmap_height;
560	}
561	/* fill with background color (if result's not completely overlapping it) */
562	gcv.foreground = pix_colors[Color_bg];
563	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
564
565	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
566	int dst_width = result->width, dst_height = result->height;
567	if (background == NULL)
568	{
569	if (!(h_scale == 0 || v_scale == 0))
570	{
571	src_x = make_clip_rectangle (x, result->width , new_pmap_width , dst_x, dst_width );
572	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
573	}
574
575	if (dst_x > 0 || dst_y > 0
576	|| dst_x + dst_width < new_pmap_width
577	|| dst_y + dst_height < new_pmap_height)
578	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
579	}
580
581	/* put result on pixmap */
582	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
583	asimage2drawable (asv, bg_pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
584
585	if (result != background && result != original_asim)
586	destroy_asimage (&result);
587
588	XFreeGC (dpy, gc);
589
590	ret = true;
591	}
592
593	if (background)
594	destroy_asimage (&background);
595
596	return ret;
597	}
598	# endif /* HAVE_AFTERIMAGE */
599
600	# ifdef HAVE_PIXBUF
601	bool
602	rxvt_term::pixbuf_to_pixmap (GdkPixbuf *pixbuf, Pixmap pixmap, GC gc,
603	int src_x, int src_y, int dst_x, int dst_y,
604	unsigned int width, unsigned int height)
605	{
606	XImage *ximage;
607	char *data, *line;
608	int bytes_per_pixel;
609	int width_r, width_g, width_b;
610	int sh_r, sh_g, sh_b;
611	int rowstride;
612	int channels;
613	unsigned char *row;
614
615	if (visual->c_class != TrueColor)
616	return false;
617
618	if (depth == 24 || depth == 32)
619	bytes_per_pixel = 4;
620	else if (depth == 15 || depth == 16)
621	bytes_per_pixel = 2;
622	else
623	return false;
624
625	width_r = rxvt_popcount (visual->red_mask);
626	width_g = rxvt_popcount (visual->green_mask);
627	width_b = rxvt_popcount (visual->blue_mask);
628
629	if (width_r > 8 || width_g > 8 || width_b > 8)
630	return false;
631
632	sh_r = rxvt_ctz (visual->red_mask);
633	sh_g = rxvt_ctz (visual->green_mask);
634	sh_b = rxvt_ctz (visual->blue_mask);
635
636	if (width > INT_MAX / height / bytes_per_pixel)
637	return false;
638
639	data = (char *)malloc (width * height * bytes_per_pixel);
640	if (!data)
641	return false;
642
643	ximage = XCreateImage (dpy, visual, depth, ZPixmap, 0, data,
644	width, height, bytes_per_pixel * 8, 0);
645	if (!ximage)
646	{
647	free (data);
648	return false;
649	}
650
651	ximage->byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;
652
653	rowstride = gdk_pixbuf_get_rowstride (pixbuf);
654	channels = gdk_pixbuf_get_n_channels (pixbuf);
655	row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
656	line = data;
657
658	for (int y = 0; y < height; y++)
659	{
660	for (int x = 0; x < width; x++)
661	{
662	unsigned char *pixel = row + x * channels;
663	uint32_t value;
664
665	value = ((pixel[0] >> (8 - width_r)) << sh_r)
666	| ((pixel[1] >> (8 - width_g)) << sh_g)
667	| ((pixel[2] >> (8 - width_b)) << sh_b);
668
669	if (bytes_per_pixel == 4)
670	((uint32_t *)line)[x] = value;
671	else
672	((uint16_t *)line)[x] = value;
673	}
674
675	row += rowstride;
676	line += ximage->bytes_per_line;
677	}
678
679	XPutImage (dpy, pixmap, gc, ximage, 0, 0, dst_x, dst_y, width, height);
680	XDestroyImage (ximage);
681	return true;
682	}
683
684	bool
685	rxvt_term::render_image (unsigned long tr_flags)
686	{
687	if (!pixbuf)
688	return false;
689
690	if (tr_flags
691	&& !(bg_flags & BG_HAS_RENDER))
692	return false;
693
694	GdkPixbuf *result;
695
696	int image_width = gdk_pixbuf_get_width (pixbuf);
697	int image_height = gdk_pixbuf_get_height (pixbuf);
698
699	int target_width = szHint.width;
700	int target_height = szHint.height;
701	int new_pmap_width = target_width;
702	int new_pmap_height = target_height;
703
704	int x = 0;
705	int y = 0;
706	int w = 0;
707	int h = 0;
708
709	get_image_geometry (image_width, image_height, w, h, x, y);	483	get_image_geometry (image_width, image_height, w, h, x, y);
710		484
711	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
712	&& (x >= target_width	486	&& (x >= target_width
713	|| y >= target_height	487	|| y >= target_height
714	|| (x + w <= 0)	488	|| x + w <= 0
715	|| (y + h <= 0)))	489	|| y + h <= 0))
716	return false;	490	return false;
717		491
718	result = pixbuf;	492	result = pixbuf;
719		493
720	if ((w != image_width)	494	if (w != image_width
721	|| (h != image_height))	495	|| h != image_height)
722	{	496	{
723	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
724	w, h,	498	w, h,
725	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
726	}	500	}
…		…
735	Pixmap root_pmap;	509	Pixmap root_pmap;
736		510
737	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
738	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
739		513
740	if (tr_flags)	514	if (transparent)
741	{	515	{
742	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
743	bg_pixmap = None;	517	bg_pixmap = None;
744	}	518	}
745	else	519	else
746	{	520	{
747	if (h_scale == 0 || v_scale == 0)	521	if (bg_flags & BG_TILE)
748	{	522	{
749	new_pmap_width = min (image_width, target_width);	523	new_pmap_width = min (image_width, target_width);
750	new_pmap_height = min (image_height, target_height);	524	new_pmap_height = min (image_height, target_height);
751	}	525	}
752	}	526	}
…		…
760	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);	534	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
761	bg_pmap_width = new_pmap_width;	535	bg_pmap_width = new_pmap_width;
762	bg_pmap_height = new_pmap_height;	536	bg_pmap_height = new_pmap_height;
763	}	537	}
764		538
765	if (bg_pixmap != None)
766	{
767	gcv.foreground = pix_colors[Color_bg];	539	gcv.foreground = pix_colors[Color_bg];
768	gc = XCreateGC (dpy, vt, GCForeground, &gcv);	540	gc = XCreateGC (dpy, vt, GCForeground, &gcv);
769		541
770	if (gc)	542	if (gc)
771	{	543	{
772	if (h_scale == 0 || v_scale == 0)	544	if (bg_flags & BG_TILE)
773	{	545	{
774	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);	546	Pixmap tile = XCreatePixmap (dpy, vt, image_width, image_height, depth);
775
776	if (tile != None)
777	{
778	pixbuf_to_pixmap (result, tile, gc,	547	pixbuf_to_pixmap (result, tile, gc,
779	0, 0,	548	0, 0,
780	0, 0,	549	0, 0,
781	image_width, image_height);	550	image_width, image_height);
782		551
783	gcv.tile = tile;	552	gcv.tile = tile;
784	gcv.fill_style = FillTiled;	553	gcv.fill_style = FillTiled;
785	gcv.ts_x_origin = x;	554	gcv.ts_x_origin = x;
786	gcv.ts_y_origin = y;	555	gcv.ts_y_origin = y;
787	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	556	XChangeGC (dpy, gc, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
788		557
789	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	558	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
790	XFreePixmap (dpy, tile);	559	XFreePixmap (dpy, tile);
791	}
792	}	560	}
793	else	561	else
794	{	562	{
795	int src_x, src_y, dst_x, dst_y;	563	int src_x, src_y, dst_x, dst_y;
796	int dst_width, dst_height;	564	int dst_width, dst_height;
797		565
798	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );	566	src_x = make_clip_rectangle (x, image_width , new_pmap_width , dst_x, dst_width );
799	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);	567	src_y = make_clip_rectangle (y, image_height, new_pmap_height, dst_y, dst_height);
800		568
801	if (dst_x > 0 || dst_y > 0	569	if (dst_x > 0 || dst_y > 0
802	|| dst_x + dst_width < new_pmap_width	570	|| dst_x + dst_width < new_pmap_width
803	|| dst_y + dst_height < new_pmap_height)	571	|| dst_y + dst_height < new_pmap_height)
804	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);	572	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
805		573
806	if (dst_x < new_pmap_width && dst_y < new_pmap_height)	574	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
807	pixbuf_to_pixmap (result, bg_pixmap, gc,	575	pixbuf_to_pixmap (result, bg_pixmap, gc,
808	src_x, src_y,	576	src_x, src_y,
809	dst_x, dst_y,	577	dst_x, dst_y,
810	dst_width, dst_height);	578	dst_width, dst_height);
811	}	579	}
812		580
813	#if XRENDER	581	#if XRENDER
814	if (tr_flags)	582	if (transparent)
815	{	583	{
816	XRenderPictureAttributes pa;
817
818	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
819	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
820		587
821	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
822	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
823		589
824	pa.repeat = True;	590	Picture mask = create_xrender_mask (dpy, vt, False, False);
825	Pixmap mask_pmap = XCreatePixmap (dpy, vt, 1, 1, 8);
826	XRenderPictFormat *mask_format = XRenderFindStandardFormat (dpy, PictStandardA8);
827	Picture mask = XRenderCreatePicture (dpy, mask_pmap, mask_format, CPRepeat, &pa);
828	XFreePixmap (dpy, mask_pmap);
829		591
830	if (src && dst && mask)
831	{
832	XRenderColor mask_c;	592	XRenderColor mask_c;
833		593
834	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
835	mask_c.red = 0;	595	mask_c.red =
836	mask_c.green = 0;	596	mask_c.green =
837	mask_c.blue = 0;	597	mask_c.blue = 0;
838	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
839	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);	600	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, target_width, target_height);
840	}
841		601
842	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
843	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
844	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
845	}	605	}
846	#endif	606	#endif
847		607
848	XFreeGC (dpy, gc);	608	XFreeGC (dpy, gc);
849		609
850	ret = true;	610	ret = true;
851	}
852	}	611	}
853		612
854	if (result != pixbuf)	613	if (result != pixbuf)
855	g_object_unref (result);	614	g_object_unref (result);
856		615
857	if (tr_flags)	616	if (transparent)
858	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
859		618
860	return ret;	619	return ret;
861	}	620	}
862	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
865	rxvt_term::bg_set_file (const char *file)	624	rxvt_term::bg_set_file (const char *file)
866	{	625	{
867	if (!file || !*file)	626	if (!file || !*file)
868	return false;	627	return false;
869		628
		629	bool ret = false;
870	if (const char *p = strchr (file, ';'))	630	const char *p = strchr (file, ';');
		631
		632	if (p)
871	{	633	{
872	size_t len = p - file;	634	size_t len = p - file;
873	char *f = rxvt_temp_buf<char> (len + 1);	635	char *f = rxvt_temp_buf<char> (len + 1);
874	memcpy (f, file, len);	636	memcpy (f, file, len);
875	f[len] = '\0';	637	f[len] = '\0';
876	file = f;	638	file = f;
877	}	639	}
878		640
879	# ifdef HAVE_AFTERIMAGE
880	if (!asimman)
881	asimman = create_generic_imageman (rs[Rs_path]);
882	ASImage *image = get_asimage (asimman, file, 0xFFFFFFFF, 100);
883	if (image)
884	{
885	if (original_asim)
886	safe_asimage_destroy (original_asim);
887	original_asim = image;
888	bg_flags |= BG_IS_FROM_FILE | BG_CLIENT_RENDER;
889	return true;
890	}
891	# endif
892
893	# ifdef HAVE_PIXBUF	641	# ifdef HAVE_PIXBUF
894	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
895	if (image)	643	if (image)
896	{	644	{
897	if (pixbuf)	645	if (pixbuf)
898	g_object_unref (pixbuf);	646	g_object_unref (pixbuf);
899	pixbuf = image;	647	pixbuf = image;
900	bg_flags |= BG_IS_FROM_FILE;	648	bg_flags |= BG_IS_FROM_FILE;
901	return true;	649	ret = true;
902	}	650	}
903	# endif	651	# endif
904		652
		653	if (ret)
		654	{
		655	if (p)
		656	bg_set_geometry (p + 1);
		657	else
		658	bg_set_default_geometry ();
		659	}
		660
905	return false;	661	return ret;
906	}	662	}
907		663
908	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
909		665
910	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
…		…
946	{	702	{
947	changed = true;	703	changed = true;
948	v_blurRadius = vr;	704	v_blurRadius = vr;
949	}	705	}
950		706
951	if (v_blurRadius == 0 && h_blurRadius == 0)	707	if (h_blurRadius && v_blurRadius)
		708	bg_flags |= BG_NEEDS_BLUR;
		709	else
952	bg_flags &= ~BG_NEEDS_BLUR;	710	bg_flags &= ~BG_NEEDS_BLUR;
953	else
954	bg_flags |= BG_NEEDS_BLUR;
955		711
956	return changed;	712	return changed;
957	}	713	}
958		714
959	void	715	void
960	rxvt_term::set_tint_shade_flags ()	716	rxvt_term::set_tint_shade_flags ()
961	{	717	{
962	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	718	if (shade != 100 || (bg_flags & BG_TINT_SET))
963	bool has_shade = shade != 100;	719	bg_flags |= BG_NEEDS_TINT;
		720	else
		721	bg_flags &= ~BG_NEEDS_TINT;
		722	}
964		723
		724	bool
		725	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		726	{
		727	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		728	{
		729	tint = new_tint;
965	bg_flags &= ~BG_TINT_FLAGS;	730	bg_flags |= BG_TINT_SET;
966		731
967	if (bg_flags & BG_TINT_SET)	732	rgba c;
968	{
969	tint.get (c);	733	tint.get (c);
970	if (!has_shade
971	&& (c.r <= 0x00ff || c.r >= 0xff00)	734	if ((c.r <= 0x00ff || c.r >= 0xff00)
972	&& (c.g <= 0x00ff || c.g >= 0xff00)	735	&& (c.g <= 0x00ff || c.g >= 0xff00)
973	&& (c.b <= 0x00ff || c.b >= 0xff00))	736	&& (c.b <= 0x00ff || c.b >= 0xff00))
974	bg_flags |= BG_TINT_BITAND;	737	bg_flags |= BG_TINT_BITAND;
975	}	738	else
976
977	if (has_shade || (bg_flags & BG_TINT_SET))
978	bg_flags |= BG_NEEDS_TINT;
979	}
980
981	bool
982	rxvt_term::bg_set_tint (rxvt_color &new_tint)
983	{
984	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
985	{
986	tint = new_tint;
987	bg_flags |= BG_TINT_SET;	739	bg_flags &= ~BG_TINT_BITAND;
		740
988	set_tint_shade_flags ();	741	set_tint_shade_flags ();
989	return true;	742	return true;
990	}	743	}
991		744
992	return false;	745	return false;
993	}	746	}
994		747
995	bool	748	bool
996	rxvt_term::bg_set_shade (const char *shade_str)	749	rxvt_term::bg_set_shade (const char *shade_str)
997	{	750	{
998	int new_shade = (shade_str) ? atoi (shade_str) : 100;	751	int new_shade = atoi (shade_str);
999		752
1000	clamp_it (new_shade, -100, 200);	753	clamp_it (new_shade, -100, 200);
1001	if (new_shade < 0)	754	if (new_shade < 0)
1002	new_shade = 200 - (100 + new_shade);	755	new_shade = 200 - (100 + new_shade);
1003		756
…		…
1033	params[i+2] = XDoubleToFixed (kernel[i] / sum);	786	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1034	}	787	}
1035	#endif	788	#endif
1036		789
1037	bool	790	bool
1038	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	791	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1039	{	792	{
1040	bool ret = false;	793	bool ret = false;
1041	#if XRENDER	794	#if XRENDER
		795	if (!(bg_flags & BG_HAS_RENDER_CONV))
		796	return false;
		797
1042	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	798	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1043	double *kernel = (double *)malloc (size * sizeof (double));	799	double *kernel = (double *)malloc (size * sizeof (double));
1044	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	800	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1045		801
1046	XRenderPictureAttributes pa;	802	XRenderPictureAttributes pa;
1047	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	803	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1048		804
		805	pa.repeat = RepeatPad;
1049	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	806	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		807	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1050	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	808	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		809	XFreePixmap (dpy, tmp);
1051		810
1052	if (kernel && params && src && dst)	811	if (kernel && params)
1053	{	812	{
1054	if (h_blurRadius)
1055	{
1056	size = h_blurRadius * 2 + 1;	813	size = h_blurRadius * 2 + 1;
1057	get_gaussian_kernel (h_blurRadius, size, kernel, params);	814	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1058		815
1059	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	816	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1060	XRenderComposite (dpy,	817	XRenderComposite (dpy,
1061	PictOpSrc,	818	PictOpSrc,
1062	src,	819	src,
1063	None,	820	None,
1064	dst,	821	dst,
1065	0, 0,	822	0, 0,
1066	0, 0,	823	0, 0,
1067	0, 0,	824	0, 0,
1068	width, height);	825	width, height);
1069	}
1070		826
1071	if (v_blurRadius)	827	::swap (src, dst);
1072	{	828
1073	size = v_blurRadius * 2 + 1;	829	size = v_blurRadius * 2 + 1;
1074	get_gaussian_kernel (v_blurRadius, size, kernel, params);	830	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1075	::swap (params[0], params[1]);	831	::swap (params[0], params[1]);
1076		832
1077	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	833	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1078	XRenderComposite (dpy,	834	XRenderComposite (dpy,
1079	PictOpSrc,	835	PictOpSrc,
1080	src,	836	src,
1081	None,	837	None,
1082	dst,	838	dst,
1083	0, 0,	839	0, 0,
1084	0, 0,	840	0, 0,
1085	0, 0,	841	0, 0,
1086	width, height);	842	width, height);
1087	}
1088		843
1089	ret = true;	844	ret = true;
1090	}	845	}
1091		846
1092	free (kernel);	847	free (kernel);
…		…
1100	bool	855	bool
1101	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	856	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1102	{	857	{
1103	bool ret = false;	858	bool ret = false;
1104		859
1105	if (bg_flags & BG_TINT_BITAND)	860	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1106	{	861	{
1107	XGCValues gcv;	862	XGCValues gcv;
1108	GC gc;	863	GC gc;
1109		864
1110	/* In this case we can tint image server-side getting significant	865	/* In this case we can tint image server-side getting significant
…		…
1119	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	874	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1120	ret = true;	875	ret = true;
1121	XFreeGC (dpy, gc);	876	XFreeGC (dpy, gc);
1122	}	877	}
1123	}	878	}
1124	else
1125	{
1126	# if XRENDER	879	# if XRENDER
		880	else if (bg_flags & BG_HAS_RENDER)
		881	{
1127	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	882	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1128		883
1129	if (bg_flags & BG_TINT_SET)	884	if (bg_flags & BG_TINT_SET)
1130	tint.get (c);	885	tint.get (c);
1131		886
…		…
1140	c.r = c.r * (200 - shade) / 100;	895	c.r = c.r * (200 - shade) / 100;
1141	c.g = c.g * (200 - shade) / 100;	896	c.g = c.g * (200 - shade) / 100;
1142	c.b = c.b * (200 - shade) / 100;	897	c.b = c.b * (200 - shade) / 100;
1143	}	898	}
1144		899
1145	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1146	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	900	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1147	XRenderPictureAttributes pa;
1148		901
1149	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	902	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1150		903
1151	pa.repeat = True;	904	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1152		905
1153	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	906	Picture mask_pic = create_xrender_mask (dpy, pixmap, True, True);
1154	Picture overlay_pic = XRenderCreatePicture (dpy, overlay_pmap, solid_format, CPRepeat, &pa);
1155	XFreePixmap (dpy, overlay_pmap);
1156		907
1157	pa.component_alpha = True;
1158	Pixmap mask_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);
1159	Picture mask_pic = XRenderCreatePicture (dpy, mask_pmap, solid_format, CPRepeat | CPComponentAlpha, &pa);
1160	XFreePixmap (dpy, mask_pmap);
1161
1162	if (mask_pic && overlay_pic && back_pic)
1163	{
1164	XRenderColor mask_c;	908	XRenderColor mask_c;
1165		909
1166	mask_c.alpha = 0xffff;	910	mask_c.alpha = 0xffff;
		911	mask_c.red =
		912	mask_c.green =
		913	mask_c.blue = 0;
		914	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
		915
		916	mask_c.alpha = 0;
		917	mask_c.red = 0xffff - c.r;
		918	mask_c.green = 0xffff - c.g;
		919	mask_c.blue = 0xffff - c.b;
		920	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		921
		922	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
		923
		924	if (shade > 100)
		925	{
		926	mask_c.alpha = 0;
1167	mask_c.red =	927	mask_c.red =
1168	mask_c.green =	928	mask_c.green =
1169	mask_c.blue = 0;	929	mask_c.blue = 0xffff * (shade - 100) / 100;
1170	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	930	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1171		931
1172	mask_c.alpha = 0;
1173	mask_c.red = 0xffff - c.r;
1174	mask_c.green = 0xffff - c.g;
1175	mask_c.blue = 0xffff - c.b;
1176	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178
1179	if (shade > 100)
1180	{
1181	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1182	mask_c.alpha = 0;
1183	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1184
1185	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	932	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1186	}
1187
1188	ret = true;
1189	}	933	}
		934
		935	ret = true;
1190		936
1191	XRenderFreePicture (dpy, mask_pic);	937	XRenderFreePicture (dpy, mask_pic);
1192	XRenderFreePicture (dpy, overlay_pic);	938	XRenderFreePicture (dpy, overlay_pic);
1193	XRenderFreePicture (dpy, back_pic);	939	XRenderFreePicture (dpy, back_pic);
		940	}
1194	# endif	941	# endif
1195	}
1196		942
1197	return ret;	943	return ret;
1198	}	944	}
1199		945
1200	/*	946	/*
1201	* Builds a pixmap of the same size as the terminal window that contains	947	* Builds a pixmap of the same size as the terminal window that contains
1202	* the tiled portion of the root pixmap that is supposed to be covered by	948	* the tiled portion of the root pixmap that is supposed to be covered by
1203	* our window.	949	* our window.
1204	*/	950	*/
1205	unsigned long	951	bool
1206	rxvt_term::make_transparency_pixmap ()	952	rxvt_term::make_transparency_pixmap ()
1207	{	953	{
1208	unsigned long result = 0;	954	bool ret = false;
1209		955
1210	/* root dimensions may change from call to call - but Display structure should	956	/* root dimensions may change from call to call - but Display structure should
1211	* be always up-to-date, so let's use it :	957	* be always up-to-date, so let's use it :
1212	*/	958	*/
1213	int screen = display->screen;	959	int screen = display->screen;
…		…
1251	#if XRENDER	997	#if XRENDER
1252	if (bg_flags & BG_HAS_RENDER)	998	if (bg_flags & BG_HAS_RENDER)
1253	{	999	{
1254	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	1000	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1255		1001
1256	if (recoded_root_pmap != None)
1257	{
1258	XRenderPictureAttributes pa;
1259
1260	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	1002	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1261	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	1003	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1262		1004
1263	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	1005	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1264	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	1006	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1265		1007
1266	if (src && dst)
1267	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	1008	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1268	else
1269	{
1270	XFreePixmap (dpy, recoded_root_pmap);
1271	recoded_root_pmap = None;
1272	}
1273		1009
1274	XRenderFreePicture (dpy, src);	1010	XRenderFreePicture (dpy, src);
1275	XRenderFreePicture (dpy, dst);	1011	XRenderFreePicture (dpy, dst);
1276	}
1277	}	1012	}
1278	else	1013	else
1279	#endif	1014	#endif
1280	recoded_root_pmap = None;	1015	recoded_root_pmap = None;
1281	}	1016	}
…		…
1292	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);	1027	bg_pixmap = XCreatePixmap (dpy, vt, window_width, window_height, depth);
1293	bg_pmap_width = window_width;	1028	bg_pmap_width = window_width;
1294	bg_pmap_height = window_height;	1029	bg_pmap_height = window_height;
1295	}	1030	}
1296		1031
1297	if (bg_pixmap != None)
1298	{
1299	/* straightforward pixmap copy */	1032	/* straightforward pixmap copy */
1300	while (sx < 0) sx += root_width;	1033	while (sx < 0) sx += root_pmap_width;
1301	while (sy < 0) sy += root_height;	1034	while (sy < 0) sy += root_pmap_height;
1302		1035
1303	gcv.tile = recoded_root_pmap;	1036	gcv.tile = recoded_root_pmap;
1304	gcv.fill_style = FillTiled;	1037	gcv.fill_style = FillTiled;
1305	gcv.ts_x_origin = -sx;	1038	gcv.ts_x_origin = -sx;
1306	gcv.ts_y_origin = -sy;	1039	gcv.ts_y_origin = -sy;
1307	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1040	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1308		1041
1309	if (gc)	1042	if (gc)
1310	{	1043	{
1311	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1044	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1312	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1045	ret = true;
1313	XFreeGC (dpy, gc);	1046	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
1314		1047
1315	if (!(bg_flags & BG_CLIENT_RENDER))	1048	if (!(bg_flags & BG_CLIENT_RENDER))
1316	{	1049	{
1317	if ((bg_flags & BG_NEEDS_BLUR)	1050	if (bg_flags & BG_NEEDS_BLUR)
1318	&& (bg_flags & BG_HAS_RENDER_CONV))	1051	{
		1052	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1053	tr_flags &= ~BG_NEEDS_BLUR;
		1054	}
		1055	if (bg_flags & BG_NEEDS_TINT)
		1056	{
		1057	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1058	tr_flags &= ~BG_NEEDS_TINT;
		1059	}
		1060	if (tr_flags & BG_NEEDS_TINT)
		1061	{
		1062	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1063	if (ximage)
1319	{	1064	{
1320	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))	1065	/* our own client-side tinting */
1321	result &= ~BG_NEEDS_BLUR;	1066	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1067
		1068	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1069	XDestroyImage (ximage);
1322	}	1070	}
1323	if ((bg_flags & BG_NEEDS_TINT)
1324	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1325	{
1326	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1327	result &= ~BG_NEEDS_TINT;
1328	}	1071	}
1329	} /* server side rendering completed */	1072	} /* server side rendering completed */
1330	}	1073
		1074	XFreeGC (dpy, gc);
1331	}	1075	}
1332		1076
1333	if (recoded_root_pmap != root_pixmap)	1077	if (recoded_root_pmap != root_pixmap)
1334	XFreePixmap (dpy, recoded_root_pmap);	1078	XFreePixmap (dpy, recoded_root_pmap);
1335		1079
1336	return result;	1080	return ret;
1337	}	1081	}
1338		1082
1339	void	1083	void
1340	rxvt_term::bg_set_root_pixmap ()	1084	rxvt_term::bg_set_root_pixmap ()
1341	{	1085	{
…		…
1345		1089
1346	root_pixmap = new_root_pixmap;	1090	root_pixmap = new_root_pixmap;
1347	}	1091	}
1348	# endif /* ENABLE_TRANSPARENCY */	1092	# endif /* ENABLE_TRANSPARENCY */
1349		1093
1350	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1351	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1352	# endif
1353
1354	bool	1094	bool
1355	rxvt_term::bg_render ()	1095	rxvt_term::bg_render ()
1356	{	1096	{
1357	unsigned long tr_flags = 0;	1097	bool transparent = false;
1358		1098
1359	bg_invalidate ();	1099	bg_invalidate ();
1360	# ifdef ENABLE_TRANSPARENCY	1100	# ifdef ENABLE_TRANSPARENCY
1361	if (bg_flags & BG_IS_TRANSPARENT)	1101	if (bg_flags & BG_IS_TRANSPARENT)
1362	{	1102	{
1363	/* we need to re-generate transparency pixmap in that case ! */	1103	/* we need to re-generate transparency pixmap in that case ! */
1364	tr_flags = make_transparency_pixmap ();	1104	transparent = make_transparency_pixmap ();
1365	if (tr_flags == 0)	1105	if (transparent)
1366	return false;
1367	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1368	bg_flags |= BG_IS_VALID;	1106	bg_flags |= BG_IS_VALID;
1369	}	1107	}
1370	# endif	1108	# endif
1371		1109
1372	# ifdef BG_IMAGE_FROM_FILE	1110	# ifdef BG_IMAGE_FROM_FILE
1373	if ((bg_flags & BG_IS_FROM_FILE)	1111	if (bg_flags & BG_IS_FROM_FILE)
1374	|| (tr_flags & BG_EFFECTS_FLAGS))
1375	{	1112	{
1376	if (render_image (tr_flags))	1113	if (render_image (transparent))
1377	bg_flags |= BG_IS_VALID;	1114	bg_flags |= BG_IS_VALID;
1378	}
1379	# endif
1380
1381	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1382	XImage *result = NULL;
1383
1384	if (tr_flags && !(bg_flags & BG_IS_VALID))
1385	{
1386	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1387	}
1388
1389	if (result)
1390	{
1391	/* our own client-side tinting */
1392	if (tr_flags & BG_NEEDS_TINT)
1393	{
1394	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
1395	if (bg_flags & BG_TINT_SET)
1396	tint.get (c);
1397	shade_ximage (DefaultVisual (dpy, display->screen), result, shade, c);
1398	}
1399
1400	GC gc = XCreateGC (dpy, vt, 0UL, NULL);
1401
1402	if (gc)
1403	{
1404	XPutImage (dpy, bg_pixmap, gc, result, 0, 0, 0, 0, result->width, result->height);
1405
1406	XFreeGC (dpy, gc);
1407	bg_flags |= BG_IS_VALID;
1408	}
1409
1410	XDestroyImage (result);
1411	}	1115	}
1412	# endif	1116	# endif
1413		1117
1414	if (!(bg_flags & BG_IS_VALID))	1118	if (!(bg_flags & BG_IS_VALID))
1415	{	1119	{
…		…
1452	#endif	1156	#endif
1453	}	1157	}
1454		1158
1455	#endif /* HAVE_BG_PIXMAP */	1159	#endif /* HAVE_BG_PIXMAP */
1456		1160
1457	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1161	#ifdef ENABLE_TRANSPARENCY
1458	/* taken from aterm-0.4.2 */	1162	/* based on code from aterm-0.4.2 */
1459		1163
1460	static void	1164	static inline void
1461	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1165	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1462	{	1166	{
		1167	for (int i = 0; i <= mask >> sh; i++)
		1168	{
		1169	uint32_t tmp;
		1170	tmp = i * high;
		1171	tmp += (mask >> sh) * low;
		1172	lookup[i] = (tmp / 0xffff) << sh;
		1173	}
		1174	}
		1175
		1176	void
		1177	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1178	{
		1179	unsigned int size_r, size_g, size_b;
1463	int sh_r, sh_g, sh_b;	1180	int sh_r, sh_g, sh_b;
1464	uint32_t mask_r, mask_g, mask_b;	1181	uint32_t mask_r, mask_g, mask_b;
1465	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1182	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1466	rgba low;	1183	unsigned short low;
1467	rgba high;
1468	int i;
1469	int host_byte_order = byteorder::big_endian () ? MSBFirst : LSBFirst;	1184	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1470		1185
1471	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1186	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1472		1187
1473	/* for convenience */	1188	/* for convenience */
1474	mask_r = visual->red_mask;	1189	mask_r = visual->red_mask;
1475	mask_g = visual->green_mask;	1190	mask_g = visual->green_mask;
1476	mask_b = visual->blue_mask;	1191	mask_b = visual->blue_mask;
1477		1192
1478	/* boring lookup table pre-initialization */	1193	/* boring lookup table pre-initialization */
1479	switch (ximage->depth)	1194	sh_r = ecb_ctz32 (mask_r);
1480	{	1195	sh_g = ecb_ctz32 (mask_g);
1481	case 15:	1196	sh_b = ecb_ctz32 (mask_b);
1482	if ((mask_r != 0x7c00) ||	1197
1483	(mask_g != 0x03e0) ||	1198	size_r = mask_r >> sh_r;
1484	(mask_b != 0x001f))	1199	size_g = mask_g >> sh_g;
		1200	size_b = mask_b >> sh_b;
		1201
		1202	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1485	return;	1203	return;
1486	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1204
		1205	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1487	lookup_r = lookup;	1206	lookup_r = lookup;
1488	lookup_g = lookup+32;	1207	lookup_g = lookup + size_r;
1489	lookup_b = lookup+32+32;	1208	lookup_b = lookup + size_r + size_g;
1490	sh_r = 10;	1209
1491	sh_g = 5;	1210	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1492	sh_b = 0;	1211
1493	break;	1212	if (bg_flags & BG_TINT_SET)
1494	case 16:	1213	tint.get (c);
1495	if ((mask_r != 0xf800) ||
1496	(mask_g != 0x07e0) ||
1497	(mask_b != 0x001f))
1498	return;
1499	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1500	lookup_r = lookup;
1501	lookup_g = lookup+32;
1502	lookup_b = lookup+32+64;
1503	sh_r = 11;
1504	sh_g = 5;
1505	sh_b = 0;
1506	break;
1507	case 24:
1508	if ((mask_r != 0xff0000) ||
1509	(mask_g != 0x00ff00) ||
1510	(mask_b != 0x0000ff))
1511	return;
1512	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1513	lookup_r = lookup;
1514	lookup_g = lookup+256;
1515	lookup_b = lookup+256+256;
1516	sh_r = 16;
1517	sh_g = 8;
1518	sh_b = 0;
1519	break;
1520	case 32:
1521	if ((mask_r != 0xff0000) ||
1522	(mask_g != 0x00ff00) ||
1523	(mask_b != 0x0000ff))
1524	return;
1525	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1526	lookup_r = lookup;
1527	lookup_g = lookup+256;
1528	lookup_b = lookup+256+256;
1529	sh_r = 16;
1530	sh_g = 8;
1531	sh_b = 0;
1532	break;
1533	default:
1534	return; /* we do not support this color depth */
1535	}
1536		1214
1537	/* prepare limits for color transformation (each channel is handled separately) */	1215	/* prepare limits for color transformation (each channel is handled separately) */
1538	if (shade > 100)	1216	if (shade > 100)
1539	{	1217	{
1540	shade = 200 - shade;
1541
1542	high.r = c.r * shade / 100;
1543	high.g = c.g * shade / 100;
1544	high.b = c.b * shade / 100;
1545
1546	low.r = 65535 * (100 - shade) / 100;	1218	c.r = c.r * (200 - shade) / 100;
1547	low.g = 65535 * (100 - shade) / 100;	1219	c.g = c.g * (200 - shade) / 100;
1548	low.b = 65535 * (100 - shade) / 100;	1220	c.b = c.b * (200 - shade) / 100;
		1221
		1222	low = 0xffff * (shade - 100) / 100;
1549	}	1223	}
1550	else	1224	else
1551	{	1225	{
1552	high.r = c.r * shade / 100;	1226	c.r = c.r * shade / 100;
1553	high.g = c.g * shade / 100;	1227	c.g = c.g * shade / 100;
1554	high.b = c.b * shade / 100;	1228	c.b = c.b * shade / 100;
1555		1229
1556	low.r = low.g = low.b = 0;	1230	low = 0;
1557	}	1231	}
1558		1232
1559	/* fill our lookup tables */	1233	/* fill our lookup tables */
1560	for (i = 0; i <= mask_r>>sh_r; i++)	1234	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1561	{	1235	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1562	uint32_t tmp;	1236	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1563	tmp = i * high.r;
1564	tmp += (mask_r>>sh_r) * low.r;
1565	lookup_r[i] = (tmp/65535)<<sh_r;
1566	}
1567	for (i = 0; i <= mask_g>>sh_g; i++)
1568	{
1569	uint32_t tmp;
1570	tmp = i * high.g;
1571	tmp += (mask_g>>sh_g) * low.g;
1572	lookup_g[i] = (tmp/65535)<<sh_g;
1573	}
1574	for (i = 0; i <= mask_b>>sh_b; i++)
1575	{
1576	uint32_t tmp;
1577	tmp = i * high.b;
1578	tmp += (mask_b>>sh_b) * low.b;
1579	lookup_b[i] = (tmp/65535)<<sh_b;
1580	}
1581		1237
1582	/* apply table to input image (replacing colors by newly calculated ones) */	1238	/* apply table to input image (replacing colors by newly calculated ones) */
1583	if (ximage->bits_per_pixel == 32	1239	if (ximage->bits_per_pixel == 32
1584	&& (ximage->depth == 24 || ximage->depth == 32)
1585	&& ximage->byte_order == host_byte_order)	1240	&& ximage->byte_order == host_byte_order)
1586	{	1241	{
1587	uint32_t *p1, *pf, *p, *pl;	1242	char *line = ximage->data;
1588	p1 = (uint32_t *) ximage->data;
1589	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1590		1243
1591	while (p1 < pf)	1244	for (int y = 0; y < ximage->height; y++)
1592	{
1593	p = p1;
1594	pl = p1 + ximage->width;
1595	for (; p < pl; p++)
1596	{	1245	{
1597	*p = lookup_r[(*p & 0xff0000) >> 16] |	1246	uint32_t *p = (uint32_t *)line;
1598	lookup_g[(*p & 0x00ff00) >> 8] |	1247	for (int x = 0; x < ximage->width; x++)
1599	lookup_b[(*p & 0x0000ff)] |
1600	(*p & 0xff000000);
1601	}	1248	{
1602	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1249	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1250	lookup_g[(*p & mask_g) >> sh_g] |
		1251	lookup_b[(*p & mask_b) >> sh_b];
		1252	p++;
		1253	}
		1254	line += ximage->bytes_per_line;
1603	}	1255	}
1604	}	1256	}
1605	else	1257	else
1606	{	1258	{
1607	for (int y = 0; y < ximage->height; y++)	1259	for (int y = 0; y < ximage->height; y++)
…		…
1615	}	1267	}
1616	}	1268	}
1617		1269
1618	free (lookup);	1270	free (lookup);
1619	}	1271	}
1620	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1272	#endif /* ENABLE_TRANSPARENCY */

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