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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.168 by sf-exg, Fri Aug 19 17:49:08 2011 UTC vs.
Revision 1.213 by sf-exg, Sun May 13 21:12:01 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	63	#ifdef HAVE_PIXBUF
51	if (pixbuf)	64	if (pixbuf)
52	g_object_unref (pixbuf);	65	g_object_unref (pixbuf);
53	#endif	66	#endif
54		67
…		…
107		120
108	return false;	121	return false;
109	}	122	}
110		123
111	# ifdef BG_IMAGE_FROM_FILE	124	# 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	125	static inline int
147	make_align_position (int align, int window_size, int image_size)	126	make_align_position (int align, int window_size, int image_size)
148	{	127	{
149	int diff = window_size - image_size;
150	int smaller = min (image_size, window_size);
151
152	if (align >= 0 && align <= 100)	128	if (align >= 0 && align <= 100)
153	return diff * align / 100;	129	return lerp (0, window_size - image_size, align);
154	else if (align > 100 && align <= 200)	130	else if (align > 100)
155	return ((align - 100) * smaller / 100) + window_size - smaller;	131	return lerp (window_size - image_size, window_size, align - 100);
156	else if (align >= -100 && align < 0)	132	else
157	return ((align + 100) * smaller / 100) - image_size;	133	return lerp (-image_size, 0, align + 100);
158	return 0;
159	}	134	}
160		135
161	static inline int	136	static inline int
162	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)
163	{	138	{
…		…
169	src_pos = -pos;	144	src_pos = -pos;
170	dst_pos = 0;	145	dst_pos = 0;
171	dst_size += pos;	146	dst_size += pos;
172	}	147	}
173		148
174	if (dst_pos + dst_size > target_size)
175	dst_size = target_size - dst_pos;	149	min_it (dst_size, target_size - dst_pos);
176	return src_pos;	150	return src_pos;
177	}	151	}
178		152
179	bool	153	bool
180	rxvt_term::bg_set_geometry (const char *geom, bool update)	154	rxvt_term::bg_set_geometry (const char *geom, bool update)
181	{	155	{
182	bool changed = false;	156	bool changed = false;
183	int geom_flags = 0;	157	int geom_flags = 0;
184	int x = 0, y = 0;	158	int x = h_align;
		159	int y = v_align;
185	unsigned int w = 0, h = 0;	160	unsigned int w = h_scale;
186	unsigned long new_flags = (bg_flags & (~BG_GEOMETRY_FLAGS));	161	unsigned int h = v_scale;
		162	unsigned long new_flags = 0;
187		163
188	if (geom == NULL)	164	if (geom == NULL)
189	return false;	165	return false;
190		166
191	if (geom[0])	167	if (geom[0])
192	{	168	{
193	char **arr = rxvt_strsplit (':', geom);	169	char **arr = rxvt_strsplit (':', geom);
194		170
195	for (int i = 0; arr[i]; i++)	171	for (int i = 0; arr[i]; i++)
196	{	172	{
197	if (!strcasecmp (arr[i], "style=tiled"))	173	if (!strcasecmp (arr[i], "style=tiled"))
198	{	174	{
199	new_flags = BG_TILE;	175	new_flags = BG_TILE;
200	w = h = noScale;	176	w = h = noScale;
201	x = y = 0;	177	x = y = 0;
202	geom_flags = WidthValue|HeightValue|XValue|YValue;	178	geom_flags = WidthValue|HeightValue|XValue|YValue;
203	}	179	}
204	else if (!strcasecmp (arr[i], "style=aspect-stretched"))	180	else if (!strcasecmp (arr[i], "style=aspect-stretched"))
205	{	181	{
206	new_flags = BG_PROP_SCALE;	182	new_flags = BG_KEEP_ASPECT;
207	w = h = windowScale;	183	w = h = windowScale;
208	x = y = centerAlign;	184	x = y = centerAlign;
209	geom_flags = WidthValue|HeightValue|XValue|YValue;	185	geom_flags = WidthValue|HeightValue|XValue|YValue;
210	}	186	}
211	else if (!strcasecmp (arr[i], "style=stretched"))	187	else if (!strcasecmp (arr[i], "style=stretched"))
…		…
227	w = h = noScale;	203	w = h = noScale;
228	geom_flags = WidthValue|HeightValue;	204	geom_flags = WidthValue|HeightValue;
229	}	205	}
230	else if (!strcasecmp (arr[i], "op=tile"))	206	else if (!strcasecmp (arr[i], "op=tile"))
231	new_flags |= BG_TILE;	207	new_flags |= BG_TILE;
232	else if (!strcasecmp (arr[i], "op=pscale"))	208	else if (!strcasecmp (arr[i], "op=keep-aspect"))
233	new_flags |= BG_PROP_SCALE;	209	new_flags |= BG_KEEP_ASPECT;
234	else if (!strcasecmp (arr[i], "op=root"))	210	else if (!strcasecmp (arr[i], "op=root-align"))
235	new_flags |= BG_ROOT_ALIGN;	211	new_flags |= BG_ROOT_ALIGN;
236		212
237	// deprecated	213	// deprecated
238	else if (!strcasecmp (arr[i], "tile"))	214	else if (!strcasecmp (arr[i], "tile"))
239	{	215	{
…		…
241	w = h = noScale;	217	w = h = noScale;
242	geom_flags |= WidthValue|HeightValue;	218	geom_flags |= WidthValue|HeightValue;
243	}	219	}
244	else if (!strcasecmp (arr[i], "propscale"))	220	else if (!strcasecmp (arr[i], "propscale"))
245	{	221	{
246	new_flags |= BG_PROP_SCALE;	222	new_flags |= BG_KEEP_ASPECT;
		223	w = h = windowScale;
		224	geom_flags |= WidthValue|HeightValue;
247	}	225	}
248	else if (!strcasecmp (arr[i], "hscale"))	226	else if (!strcasecmp (arr[i], "hscale"))
249	{	227	{
250	new_flags |= BG_TILE;	228	new_flags |= BG_TILE;
251	w = windowScale;	229	w = windowScale;
…		…
281	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);	259	geom_flags |= XParseGeometry (arr[i], &x, &y, &w, &h);
282	} /* done parsing ops */	260	} /* done parsing ops */
283		261
284	rxvt_free_strsplit (arr);	262	rxvt_free_strsplit (arr);
285	}	263	}
		264
		265	new_flags |= bg_flags & ~BG_GEOMETRY_FLAGS;
286		266
287	if (!update)	267	if (!update)
288	{	268	{
289	if (!(geom_flags & XValue))	269	if (!(geom_flags & XValue))
290	x = y = defaultAlign;	270	x = y = defaultAlign;
…		…
295	w = h = defaultScale;	275	w = h = defaultScale;
296	else if (!(geom_flags & HeightValue))	276	else if (!(geom_flags & HeightValue))
297	h = w;	277	h = w;
298	else if (!(geom_flags & WidthValue))	278	else if (!(geom_flags & WidthValue))
299	w = h;	279	w = h;
300
301	geom_flags |= WidthValue|HeightValue|XValue|YValue;
302	}	280	}
303		281
304	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w)) changed = true;	282	min_it (w, 1000);
305	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h)) changed = true;	283	min_it (h, 1000);
306	if (check_set_align_value (geom_flags, XValue, h_align, x)) changed = true;	284	clamp_it (x, -100, 200);
307	if (check_set_align_value (geom_flags, YValue, v_align, y)) changed = true;	285	clamp_it (y, -100, 200);
308		286
309	if (new_flags != bg_flags)	287	if (bg_flags != new_flags
		288	|| h_scale != w
		289	|| v_scale != h
		290	|| h_align != x
		291	|| v_align != y)
310	{	292	{
311	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;
312	changed = true;	298	changed = true;
313	}	299	}
314		300
315	return changed;	301	return changed;
316	}	302	}
…		…
322	int target_height = szHint.height;	308	int target_height = szHint.height;
323		309
324	w = h_scale * target_width / 100;	310	w = h_scale * target_width / 100;
325	h = v_scale * target_height / 100;	311	h = v_scale * target_height / 100;
326		312
327	if (bg_flags & BG_PROP_SCALE)	313	if (bg_flags & BG_KEEP_ASPECT)
328	{	314	{
329	float scale = (float)w / image_width;	315	float scale = (float)w / image_width;
330	min_it (scale, (float)h / image_height);	316	min_it (scale, (float)h / image_height);
331	w = image_width * scale + 0.5;	317	w = image_width * scale + 0.5;
332	h = image_height * scale + 0.5;	318	h = image_height * scale + 0.5;
…		…
344	{	330	{
345	x = make_align_position (h_align, target_width, w);	331	x = make_align_position (h_align, target_width, w);
346	y = make_align_position (v_align, target_height, h);	332	y = make_align_position (v_align, target_height, h);
347	}	333	}
348		334
349	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
350	if (!(bg_flags & BG_TILE)	335	if (!(bg_flags & BG_TILE)
351	|| h_scale || v_scale	336	|| h_scale || v_scale
352	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))	337	|| (!(bg_flags & BG_ROOT_ALIGN) && (h_align || v_align))
353	|| w > target_width || h > target_height)	338	|| image_width > target_width || image_height > target_height)
354	bg_flags |= BG_IS_SIZE_SENSITIVE;	339	bg_flags |= BG_IS_SIZE_SENSITIVE;
		340	else
		341	bg_flags &= ~BG_IS_SIZE_SENSITIVE;
355	}	342	}
356		343
357	# ifdef HAVE_AFTERIMAGE	344	# ifdef HAVE_PIXBUF
358	bool	345	bool
359	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)
360	{	349	{
361	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;
362		358
363	ASImage *background = NULL;	359	if (visual->c_class != TrueColor)
364	ARGB32 background_tint = TINT_LEAVE_SAME;	360	return false;
365		361
366	# ifdef ENABLE_TRANSPARENCY	362	#if XRENDER
367	if (tr_flags)	363	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
368	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;
369		369
370	if (tr_flags & BG_NEEDS_TINT)	370	width_r = ecb_popcount32 (visual->red_mask);
371	{	371	width_g = ecb_popcount32 (visual->green_mask);
372	ShadingInfo as_shade;	372	width_b = ecb_popcount32 (visual->blue_mask);
373	as_shade.shading = shade;	373	width_a = ecb_popcount32 (alpha_mask);
374		374
375	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)
376	if (bg_flags & BG_TINT_SET)	376	return false;
377	tint.get (c);
378	as_shade.tintColor.red = c.r;
379	as_shade.tintColor.green = c.g;
380	as_shade.tintColor.blue = c.b;
381		377
382	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)))
383	}	393	{
384		394	XDestroyImage (ximage);
385	if ((tr_flags & BG_NEEDS_BLUR) && background != NULL)	395	return false;
386	{	396	}
387	ASImage *tmp = blur_asimage_gauss (asv, background, h_blurRadius, v_blurRadius, 0xFFFFFFFF,	397
388	(original_asim == NULL || tint == TINT_LEAVE_SAME) ? ASA_XImage : ASA_ASImage,	398	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
389	100, ASIMAGE_QUALITY_DEFAULT);	399
390	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)
391	{	424	{
392	destroy_asimage (&background);	425	a = pixel[3];
393	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);
394	}	447	}
395	}
396	# endif
397		448
398	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);
399		472
400	int target_width = szHint.width;	473	int target_width = szHint.width;
401	int target_height = szHint.height;	474	int target_height = szHint.height;
402	int new_pmap_width = target_width;	475	int new_pmap_width = target_width;
403	int new_pmap_height = target_height;	476	int new_pmap_height = target_height;
…		…
405	int x = 0;	478	int x = 0;
406	int y = 0;	479	int y = 0;
407	int w = 0;	480	int w = 0;
408	int h = 0;	481	int h = 0;
409		482
410	if (original_asim)
411	get_image_geometry (original_asim->width, original_asim->height, w, h, x, y);
412
413	if (!original_asim
414	|| (!(bg_flags & BG_ROOT_ALIGN)
415	&& (x >= target_width
416	|| y >= target_height
417	|| (x + w <= 0)
418	|| (y + h <= 0))))
419	{
420	if (background)
421	{
422	new_pmap_width = background->width;
423	new_pmap_height = background->height;
424	result = background;
425
426	if (background_tint != TINT_LEAVE_SAME)
427	{
428	ASImage *tmp = tile_asimage (asv, background, 0, 0,
429	target_width, target_height, background_tint,
430	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
431	if (tmp)
432	result = tmp;
433	}
434	}
435	else
436	new_pmap_width = new_pmap_height = 0;
437	}
438	else
439	{
440	result = original_asim;
441
442	if ((w != original_asim->width)
443	|| (h != original_asim->height))
444	{
445	result = scale_asimage (asv, original_asim,
446	w, h,
447	background ? ASA_ASImage : 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
545	|| bg_pmap_width != new_pmap_width
546	|| bg_pmap_height != new_pmap_height)
547	{
548	if (bg_pixmap)
549	XFreePixmap (dpy, bg_pixmap);
550	bg_pixmap = XCreatePixmap (dpy, vt, new_pmap_width, new_pmap_height, depth);
551	bg_pmap_width = new_pmap_width;
552	bg_pmap_height = new_pmap_height;
553	}
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
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);	483	get_image_geometry (image_width, image_height, w, h, x, y);
703		484
704	if (!(bg_flags & BG_ROOT_ALIGN)	485	if (!(bg_flags & BG_ROOT_ALIGN)
705	&& (x >= target_width	486	&& (x >= target_width
706	|| y >= target_height	487	|| y >= target_height
707	|| (x + w <= 0)	488	|| x + w <= 0
708	|| (y + h <= 0)))	489	|| y + h <= 0))
709	return false;	490	return false;
710		491
711	result = pixbuf;	492	result = pixbuf;
712		493
713	if ((w != image_width)	494	if (w != image_width
714	|| (h != image_height))	495	|| h != image_height)
715	{	496	{
716	result = gdk_pixbuf_scale_simple (pixbuf,	497	result = gdk_pixbuf_scale_simple (pixbuf,
717	w, h,	498	w, h,
718	GDK_INTERP_BILINEAR);	499	GDK_INTERP_BILINEAR);
719	}	500	}
…		…
728	Pixmap root_pmap;	509	Pixmap root_pmap;
729		510
730	image_width = gdk_pixbuf_get_width (result);	511	image_width = gdk_pixbuf_get_width (result);
731	image_height = gdk_pixbuf_get_height (result);	512	image_height = gdk_pixbuf_get_height (result);
732		513
733	if (tr_flags)	514	if (transparent)
734	{	515	{
735	root_pmap = bg_pixmap;	516	root_pmap = bg_pixmap;
736	bg_pixmap = None;	517	bg_pixmap = None;
737	}	518	}
738	else	519	else
…		…
796	dst_x, dst_y,	577	dst_x, dst_y,
797	dst_width, dst_height);	578	dst_width, dst_height);
798	}	579	}
799		580
800	#if XRENDER	581	#if XRENDER
801	if (tr_flags)	582	if (transparent)
802	{	583	{
803	XRenderPictureAttributes pa;
804
805	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, visual);	584	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
		585
806	Picture src = XRenderCreatePicture (dpy, root_pmap, src_format, 0, &pa);	586	Picture src = XRenderCreatePicture (dpy, root_pmap, format, 0, 0);
807		587
808	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
809	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, dst_format, 0, &pa);	588	Picture dst = XRenderCreatePicture (dpy, bg_pixmap, format, 0, 0);
810		589
811	pa.repeat = True;	590	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		591
817	XRenderColor mask_c;	592	XRenderColor mask_c;
818		593
819	mask_c.alpha = 0x8000;	594	mask_c.alpha = 0x8000;
820	mask_c.red = 0;	595	mask_c.red =
821	mask_c.green = 0;	596	mask_c.green =
822	mask_c.blue = 0;	597	mask_c.blue = 0;
823	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);	598	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		599
824	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);
825		601
826	XRenderFreePicture (dpy, src);	602	XRenderFreePicture (dpy, src);
827	XRenderFreePicture (dpy, dst);	603	XRenderFreePicture (dpy, dst);
828	XRenderFreePicture (dpy, mask);	604	XRenderFreePicture (dpy, mask);
…		…
835	}	611	}
836		612
837	if (result != pixbuf)	613	if (result != pixbuf)
838	g_object_unref (result);	614	g_object_unref (result);
839		615
840	if (tr_flags)	616	if (transparent)
841	XFreePixmap (dpy, root_pmap);	617	XFreePixmap (dpy, root_pmap);
842		618
843	return ret;	619	return ret;
844	}	620	}
845	# endif /* HAVE_PIXBUF */	621	# endif /* HAVE_PIXBUF */
…		…
860	memcpy (f, file, len);	636	memcpy (f, file, len);
861	f[len] = '\0';	637	f[len] = '\0';
862	file = f;	638	file = f;
863	}	639	}
864		640
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	641	# ifdef HAVE_PIXBUF
880	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);	642	GdkPixbuf *image = gdk_pixbuf_new_from_file (file, NULL);
881	if (image)	643	if (image)
882	{	644	{
883	if (pixbuf)	645	if (pixbuf)
…		…
901		663
902	# endif /* BG_IMAGE_FROM_FILE */	664	# endif /* BG_IMAGE_FROM_FILE */
903		665
904	# ifdef ENABLE_TRANSPARENCY	666	# ifdef ENABLE_TRANSPARENCY
905	bool	667	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
918	rxvt_term::bg_set_blur (const char *geom)	668	rxvt_term::bg_set_blur (const char *geom)
919	{	669	{
920	bool changed = false;	670	bool changed = false;
921	unsigned int hr, vr;	671	unsigned int hr, vr;
922	int junk;	672	int junk;
…		…
940	{	690	{
941	changed = true;	691	changed = true;
942	v_blurRadius = vr;	692	v_blurRadius = vr;
943	}	693	}
944		694
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;	695	return changed;
951	}	696	}
952		697
953	void	698	bool
954	rxvt_term::set_tint_shade_flags ()	699	rxvt_term::bg_set_tint (rxvt_color &new_tint)
955	{	700	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	701	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
957	bool has_shade = shade != 100;	702	{
958		703	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	704	bg_flags |= BG_TINT_SET;
960		705
961	if (bg_flags & BG_TINT_SET)	706	rgba c;
962	{
963	tint.get (c);	707	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	708	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	709	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	710	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	711	bg_flags |= BG_TINT_BITAND;
969	}	712	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;	713	bg_flags &= ~BG_TINT_BITAND;
982	set_tint_shade_flags ();	714
983	return true;	715	return true;
984	}	716	}
985		717
986	return false;	718	return false;
987	}	719	}
988		720
989	bool	721	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	722	rxvt_term::bg_set_shade (const char *shade_str)
991	{	723	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	724	int new_shade = atoi (shade_str);
993		725
994	clamp_it (new_shade, -100, 200);	726	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	727	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	728	new_shade = 200 - (100 + new_shade);
997		729
998	if (new_shade != shade)	730	if (new_shade != shade)
999	{	731	{
1000	shade = new_shade;	732	shade = new_shade;
1001	set_tint_shade_flags ();
1002	return true;	733	return true;
1003	}	734	}
1004		735
1005	return false;	736	return false;
1006	}	737	}
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	758	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	759	}
1029	#endif	760	#endif
1030		761
1031	bool	762	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	763	rxvt_term::blur_pixmap (Pixmap pixmap, int width, int height)
1033	{	764	{
1034	bool ret = false;	765	bool ret = false;
1035	#if XRENDER	766	#if XRENDER
		767	if (!(bg_flags & BG_HAS_RENDER_CONV))
		768	return false;
		769
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	770	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	771	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	772	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		773
1040	XRenderPictureAttributes pa;	774	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	775	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		776
		777	pa.repeat = RepeatPad;
1043	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	778	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		779	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	780	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		781	XFreePixmap (dpy, tmp);
1045		782
1046	if (kernel && params)	783	if (kernel && params)
1047	{	784	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	785	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	786	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		787
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	788	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	789	XRenderComposite (dpy,
1055	PictOpSrc,	790	PictOpSrc,
1056	src,	791	src,
1057	None,	792	None,
1058	dst,	793	dst,
1059	0, 0,	794	0, 0,
1060	0, 0,	795	0, 0,
1061	0, 0,	796	0, 0,
1062	width, height);	797	width, height);
1063	}
1064		798
1065	if (v_blurRadius)	799	::swap (src, dst);
1066	{	800
1067	size = v_blurRadius * 2 + 1;	801	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	802	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	803	::swap (params[0], params[1]);
1070		804
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	805	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	806	XRenderComposite (dpy,
1073	PictOpSrc,	807	PictOpSrc,
1074	src,	808	src,
1075	None,	809	None,
1076	dst,	810	dst,
1077	0, 0,	811	0, 0,
1078	0, 0,	812	0, 0,
1079	0, 0,	813	0, 0,
1080	width, height);	814	width, height);
1081	}
1082		815
1083	ret = true;	816	ret = true;
1084	}	817	}
1085		818
1086	free (kernel);	819	free (kernel);
…		…
1090	#endif	823	#endif
1091	return ret;	824	return ret;
1092	}	825	}
1093		826
1094	bool	827	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	828	rxvt_term::tint_pixmap (Pixmap pixmap, int width, int height)
1096	{	829	{
1097	bool ret = false;	830	bool ret = false;
1098		831
1099	if (bg_flags & BG_TINT_BITAND)	832	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	833	{
1101	XGCValues gcv;	834	XGCValues gcv;
1102	GC gc;	835	GC gc;
1103		836
1104	/* In this case we can tint image server-side getting significant	837	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	846	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	847	ret = true;
1115	XFreeGC (dpy, gc);	848	XFreeGC (dpy, gc);
1116	}	849	}
1117	}	850	}
1118	else
1119	{
1120	# if XRENDER	851	# if XRENDER
		852	else if (bg_flags & BG_HAS_RENDER)
		853	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	854	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		855
1123	if (bg_flags & BG_TINT_SET)	856	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	857	tint.get (c);
1125		858
…		…
1134	c.r = c.r * (200 - shade) / 100;	867	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	868	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	869	c.b = c.b * (200 - shade) / 100;
1137	}	870	}
1138		871
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	872	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		873
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	874	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		875
1145	pa.repeat = True;	876	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		877
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	878	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		879
1156	XRenderColor mask_c;	880	XRenderColor mask_c;
1157		881
1158	mask_c.alpha = 0xffff;	882	mask_c.alpha = 0xffff;
1159	mask_c.red =	883	mask_c.red =
…		…
1164	mask_c.alpha = 0;	888	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	889	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	890	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	891	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	892	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		893
1169	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	894	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1170		895
1171	if (shade > 100)	896	if (shade > 100)
1172	{	897	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	mask_c.alpha = 0;	898	mask_c.alpha = 0;
		899	mask_c.red =
		900	mask_c.green =
		901	mask_c.blue = 0xffff * (shade - 100) / 100;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	902	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		903
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	904	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178	}	905	}
1179		906
1180	ret = true;	907	ret = true;
1181		908
1182	XRenderFreePicture (dpy, mask_pic);	909	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	910	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	911	XRenderFreePicture (dpy, back_pic);
		912	}
1185	# endif	913	# endif
1186	}
1187		914
1188	return ret;	915	return ret;
1189	}	916	}
1190		917
1191	/*	918	/*
1192	* Builds a pixmap of the same size as the terminal window that contains	919	* 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	920	* the tiled portion of the root pixmap that is supposed to be covered by
1194	* our window.	921	* our window.
1195	*/	922	*/
1196	unsigned long	923	bool
1197	rxvt_term::make_transparency_pixmap ()	924	rxvt_term::make_transparency_pixmap ()
1198	{	925	{
1199	unsigned long result = 0;	926	bool ret = false;
1200		927
1201	/* root dimensions may change from call to call - but Display structure should	928	/* root dimensions may change from call to call - but Display structure should
1202	* be always up-to-date, so let's use it :	929	* be always up-to-date, so let's use it :
1203	*/	930	*/
1204	int screen = display->screen;	931	int screen = display->screen;
…		…
1242	#if XRENDER	969	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	970	if (bg_flags & BG_HAS_RENDER)
1244	{	971	{
1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	972	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246		973
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	974	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	975	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		976
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	977	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	978	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		979
1255	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	980	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1256		981
1257	XRenderFreePicture (dpy, src);	982	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	983	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1000	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1001	bg_pmap_height = window_height;
1277	}	1002	}
1278		1003
1279	/* straightforward pixmap copy */	1004	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1005	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1006	while (sy < 0) sy += root_pmap_height;
1282		1007
1283	gcv.tile = recoded_root_pmap;	1008	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1009	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1010	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1011	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1012	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1013
1289	if (gc)	1014	if (gc)
1290	{	1015	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1016	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1017	ret = true;
		1018	bool need_blur = h_blurRadius && v_blurRadius;
		1019	bool need_tint = shade != 100 || (bg_flags & BG_TINT_SET);
		1020
		1021	if (!(bg_flags & BG_CLIENT_RENDER))
		1022	{
		1023	if (need_blur)
		1024	{
		1025	if (blur_pixmap (bg_pixmap, window_width, window_height))
		1026	need_blur = false;
		1027	}
		1028	if (need_tint)
		1029	{
		1030	if (tint_pixmap (bg_pixmap, window_width, window_height))
		1031	need_tint = false;
		1032	}
		1033	if (need_tint)
		1034	{
		1035	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1036	if (ximage)
		1037	{
		1038	/* our own client-side tinting */
		1039	tint_ximage (ximage);
		1040
		1041	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1042	XDestroyImage (ximage);
		1043	}
		1044	}
		1045	} /* server side rendering completed */
		1046
1293	XFreeGC (dpy, gc);	1047	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	}	1048	}
1311		1049
1312	if (recoded_root_pmap != root_pixmap)	1050	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1051	XFreePixmap (dpy, recoded_root_pmap);
1314		1052
1315	return result;	1053	return ret;
1316	}	1054	}
1317		1055
1318	void	1056	void
1319	rxvt_term::bg_set_root_pixmap ()	1057	rxvt_term::bg_set_root_pixmap ()
1320	{	1058	{
…		…
1324		1062
1325	root_pixmap = new_root_pixmap;	1063	root_pixmap = new_root_pixmap;
1326	}	1064	}
1327	# endif /* ENABLE_TRANSPARENCY */	1065	# endif /* ENABLE_TRANSPARENCY */
1328		1066
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	1067	bool
1334	rxvt_term::bg_render ()	1068	rxvt_term::bg_render ()
1335	{	1069	{
1336	unsigned long tr_flags = 0;	1070	bool transparent = false;
1337		1071
1338	bg_invalidate ();	1072	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1073	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1074	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1075	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1076	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1077	transparent = make_transparency_pixmap ();
1344	if (tr_flags == 0)	1078	if (transparent)
1345	return false;
1346	else if (!(tr_flags & BG_EFFECTS_FLAGS))
1347	bg_flags |= BG_IS_VALID;	1079	bg_flags |= BG_IS_VALID;
1348	}	1080	}
1349	# endif	1081	# endif
1350		1082
1351	# ifdef BG_IMAGE_FROM_FILE	1083	# ifdef BG_IMAGE_FROM_FILE
1352	if ((bg_flags & BG_IS_FROM_FILE)	1084	if (bg_flags & BG_IS_FROM_FILE)
1353	|| (tr_flags & BG_EFFECTS_FLAGS))
1354	{	1085	{
1355	if (render_image (tr_flags))	1086	if (render_image (transparent))
1356	bg_flags |= BG_IS_VALID;	1087	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	}	1088	}
1391	# endif	1089	# endif
1392		1090
1393	if (!(bg_flags & BG_IS_VALID))	1091	if (!(bg_flags & BG_IS_VALID))
1394	{	1092	{
…		…
1431	#endif	1129	#endif
1432	}	1130	}
1433		1131
1434	#endif /* HAVE_BG_PIXMAP */	1132	#endif /* HAVE_BG_PIXMAP */
1435		1133
1436	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1134	#ifdef ENABLE_TRANSPARENCY
1437	/* taken from aterm-0.4.2 */	1135	/* based on code from aterm-0.4.2 */
1438		1136
1439	static void	1137	static inline void
1440	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1138	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1441	{	1139	{
		1140	for (int i = 0; i <= mask >> sh; i++)
		1141	{
		1142	uint32_t tmp;
		1143	tmp = i * high;
		1144	tmp += (mask >> sh) * low;
		1145	lookup[i] = (tmp / 0xffff) << sh;
		1146	}
		1147	}
		1148
		1149	void
		1150	rxvt_term::tint_ximage (XImage *ximage)
		1151	{
		1152	unsigned int size_r, size_g, size_b;
1442	int sh_r, sh_g, sh_b;	1153	int sh_r, sh_g, sh_b;
1443	uint32_t mask_r, mask_g, mask_b;	1154	uint32_t mask_r, mask_g, mask_b;
1444	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1155	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1445	rgba low;	1156	unsigned short low;
1446	rgba high;
1447	int i;
1448	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1157	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1449		1158
1450	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1159	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1451		1160
1452	/* for convenience */	1161	/* for convenience */
1453	mask_r = visual->red_mask;	1162	mask_r = visual->red_mask;
1454	mask_g = visual->green_mask;	1163	mask_g = visual->green_mask;
1455	mask_b = visual->blue_mask;	1164	mask_b = visual->blue_mask;
1456		1165
1457	/* boring lookup table pre-initialization */	1166	/* boring lookup table pre-initialization */
1458	switch (ximage->depth)	1167	sh_r = ecb_ctz32 (mask_r);
1459	{	1168	sh_g = ecb_ctz32 (mask_g);
1460	case 15:	1169	sh_b = ecb_ctz32 (mask_b);
1461	if ((mask_r != 0x7c00) ||	1170
1462	(mask_g != 0x03e0) ||	1171	size_r = mask_r >> sh_r;
1463	(mask_b != 0x001f))	1172	size_g = mask_g >> sh_g;
		1173	size_b = mask_b >> sh_b;
		1174
		1175	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1464	return;	1176	return;
1465	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1177
		1178	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1466	lookup_r = lookup;	1179	lookup_r = lookup;
1467	lookup_g = lookup+32;	1180	lookup_g = lookup + size_r;
1468	lookup_b = lookup+32+32;	1181	lookup_b = lookup + size_r + size_g;
1469	sh_r = 10;	1182
1470	sh_g = 5;	1183	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1471	sh_b = 0;	1184
1472	break;	1185	if (bg_flags & BG_TINT_SET)
1473	case 16:	1186	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		1187
1516	/* prepare limits for color transformation (each channel is handled separately) */	1188	/* prepare limits for color transformation (each channel is handled separately) */
1517	if (shade > 100)	1189	if (shade > 100)
1518	{	1190	{
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;	1191	c.r = c.r * (200 - shade) / 100;
1526	low.g = 65535 * (100 - shade) / 100;	1192	c.g = c.g * (200 - shade) / 100;
1527	low.b = 65535 * (100 - shade) / 100;	1193	c.b = c.b * (200 - shade) / 100;
		1194
		1195	low = 0xffff * (shade - 100) / 100;
1528	}	1196	}
1529	else	1197	else
1530	{	1198	{
1531	high.r = c.r * shade / 100;	1199	c.r = c.r * shade / 100;
1532	high.g = c.g * shade / 100;	1200	c.g = c.g * shade / 100;
1533	high.b = c.b * shade / 100;	1201	c.b = c.b * shade / 100;
1534		1202
1535	low.r = low.g = low.b = 0;	1203	low = 0;
1536	}	1204	}
1537		1205
1538	/* fill our lookup tables */	1206	/* fill our lookup tables */
1539	for (i = 0; i <= mask_r>>sh_r; i++)	1207	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1540	{	1208	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1541	uint32_t tmp;	1209	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		1210
1561	/* apply table to input image (replacing colors by newly calculated ones) */	1211	/* apply table to input image (replacing colors by newly calculated ones) */
1562	if (ximage->bits_per_pixel == 32	1212	if (ximage->bits_per_pixel == 32
1563	&& (ximage->depth == 24 || ximage->depth == 32)
1564	&& ximage->byte_order == host_byte_order)	1213	&& ximage->byte_order == host_byte_order)
1565	{	1214	{
1566	uint32_t *p1, *pf, *p, *pl;	1215	char *line = ximage->data;
1567	p1 = (uint32_t *) ximage->data;
1568	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1569		1216
1570	while (p1 < pf)	1217	for (int y = 0; y < ximage->height; y++)
1571	{
1572	p = p1;
1573	pl = p1 + ximage->width;
1574	for (; p < pl; p++)
1575	{	1218	{
1576	*p = lookup_r[(*p & 0xff0000) >> 16] |	1219	uint32_t *p = (uint32_t *)line;
1577	lookup_g[(*p & 0x00ff00) >> 8] |	1220	for (int x = 0; x < ximage->width; x++)
1578	lookup_b[(*p & 0x0000ff)] |
1579	(*p & 0xff000000);
1580	}	1221	{
1581	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1222	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1223	lookup_g[(*p & mask_g) >> sh_g] |
		1224	lookup_b[(*p & mask_b) >> sh_b];
		1225	p++;
		1226	}
		1227	line += ximage->bytes_per_line;
1582	}	1228	}
1583	}	1229	}
1584	else	1230	else
1585	{	1231	{
1586	for (int y = 0; y < ximage->height; y++)	1232	for (int y = 0; y < ximage->height; y++)
…		…
1594	}	1240	}
1595	}	1241	}
1596		1242
1597	free (lookup);	1243	free (lookup);
1598	}	1244	}
1599	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1245	#endif /* ENABLE_TRANSPARENCY */

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