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Comparing rxvt-unicode/src/background.C (file contents):
Revision 1.171 by sf-exg, Sun Aug 21 14:38:39 2011 UTC vs.
Revision 1.211 by sf-exg, Sun May 13 15:28:44 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	ASA_XImage,	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	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)	695	if (h_blurRadius && v_blurRadius)
		696	bg_flags |= BG_NEEDS_BLUR;
		697	else
946	bg_flags &= ~BG_NEEDS_BLUR;	698	bg_flags &= ~BG_NEEDS_BLUR;
947	else
948	bg_flags |= BG_NEEDS_BLUR;
949		699
950	return changed;	700	return changed;
951	}	701	}
952		702
953	void	703	void
954	rxvt_term::set_tint_shade_flags ()	704	rxvt_term::set_tint_shade_flags ()
955	{	705	{
956	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);	706	if (shade != 100 || (bg_flags & BG_TINT_SET))
957	bool has_shade = shade != 100;	707	bg_flags |= BG_NEEDS_TINT;
		708	else
		709	bg_flags &= ~BG_NEEDS_TINT;
		710	}
958		711
		712	bool
		713	rxvt_term::bg_set_tint (rxvt_color &new_tint)
		714	{
		715	if (!(bg_flags & BG_TINT_SET) || tint != new_tint)
		716	{
		717	tint = new_tint;
959	bg_flags &= ~BG_TINT_FLAGS;	718	bg_flags |= BG_TINT_SET;
960		719
961	if (bg_flags & BG_TINT_SET)	720	rgba c;
962	{
963	tint.get (c);	721	tint.get (c);
964	if (!has_shade
965	&& (c.r <= 0x00ff || c.r >= 0xff00)	722	if ((c.r <= 0x00ff || c.r >= 0xff00)
966	&& (c.g <= 0x00ff || c.g >= 0xff00)	723	&& (c.g <= 0x00ff || c.g >= 0xff00)
967	&& (c.b <= 0x00ff || c.b >= 0xff00))	724	&& (c.b <= 0x00ff || c.b >= 0xff00))
968	bg_flags |= BG_TINT_BITAND;	725	bg_flags |= BG_TINT_BITAND;
969	}	726	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;	727	bg_flags &= ~BG_TINT_BITAND;
		728
982	set_tint_shade_flags ();	729	set_tint_shade_flags ();
983	return true;	730	return true;
984	}	731	}
985		732
986	return false;	733	return false;
987	}	734	}
988		735
989	bool	736	bool
990	rxvt_term::bg_set_shade (const char *shade_str)	737	rxvt_term::bg_set_shade (const char *shade_str)
991	{	738	{
992	int new_shade = (shade_str) ? atoi (shade_str) : 100;	739	int new_shade = atoi (shade_str);
993		740
994	clamp_it (new_shade, -100, 200);	741	clamp_it (new_shade, -100, 200);
995	if (new_shade < 0)	742	if (new_shade < 0)
996	new_shade = 200 - (100 + new_shade);	743	new_shade = 200 - (100 + new_shade);
997		744
…		…
1027	params[i+2] = XDoubleToFixed (kernel[i] / sum);	774	params[i+2] = XDoubleToFixed (kernel[i] / sum);
1028	}	775	}
1029	#endif	776	#endif
1030		777
1031	bool	778	bool
1032	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	779	rxvt_term::blur_pixmap (Pixmap pixmap, Visual *visual, int width, int height, int depth)
1033	{	780	{
1034	bool ret = false;	781	bool ret = false;
1035	#if XRENDER	782	#if XRENDER
		783	if (!(bg_flags & BG_HAS_RENDER_CONV))
		784	return false;
		785
1036	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;	786	int size = max (h_blurRadius, v_blurRadius) * 2 + 1;
1037	double *kernel = (double *)malloc (size * sizeof (double));	787	double *kernel = (double *)malloc (size * sizeof (double));
1038	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));	788	XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
1039		789
1040	XRenderPictureAttributes pa;	790	XRenderPictureAttributes pa;
1041	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	791	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1042		792
		793	pa.repeat = RepeatPad;
1043	Picture src = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	794	Picture src = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa);
		795	Pixmap tmp = XCreatePixmap (dpy, pixmap, width, height, depth);
1044	Picture dst = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	796	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);
		797	XFreePixmap (dpy, tmp);
1045		798
1046	if (kernel && params)	799	if (kernel && params)
1047	{	800	{
1048	if (h_blurRadius)
1049	{
1050	size = h_blurRadius * 2 + 1;	801	size = h_blurRadius * 2 + 1;
1051	get_gaussian_kernel (h_blurRadius, size, kernel, params);	802	get_gaussian_kernel (h_blurRadius, size, kernel, params);
1052		803
1053	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	804	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1054	XRenderComposite (dpy,	805	XRenderComposite (dpy,
1055	PictOpSrc,	806	PictOpSrc,
1056	src,	807	src,
1057	None,	808	None,
1058	dst,	809	dst,
1059	0, 0,	810	0, 0,
1060	0, 0,	811	0, 0,
1061	0, 0,	812	0, 0,
1062	width, height);	813	width, height);
1063	}
1064		814
1065	if (v_blurRadius)	815	::swap (src, dst);
1066	{	816
1067	size = v_blurRadius * 2 + 1;	817	size = v_blurRadius * 2 + 1;
1068	get_gaussian_kernel (v_blurRadius, size, kernel, params);	818	get_gaussian_kernel (v_blurRadius, size, kernel, params);
1069	::swap (params[0], params[1]);	819	::swap (params[0], params[1]);
1070		820
1071	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	821	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
1072	XRenderComposite (dpy,	822	XRenderComposite (dpy,
1073	PictOpSrc,	823	PictOpSrc,
1074	src,	824	src,
1075	None,	825	None,
1076	dst,	826	dst,
1077	0, 0,	827	0, 0,
1078	0, 0,	828	0, 0,
1079	0, 0,	829	0, 0,
1080	width, height);	830	width, height);
1081	}
1082		831
1083	ret = true;	832	ret = true;
1084	}	833	}
1085		834
1086	free (kernel);	835	free (kernel);
…		…
1094	bool	843	bool
1095	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)	844	rxvt_term::tint_pixmap (Pixmap pixmap, Visual *visual, int width, int height)
1096	{	845	{
1097	bool ret = false;	846	bool ret = false;
1098		847
1099	if (bg_flags & BG_TINT_BITAND)	848	if (shade == 100 && (bg_flags & BG_TINT_BITAND))
1100	{	849	{
1101	XGCValues gcv;	850	XGCValues gcv;
1102	GC gc;	851	GC gc;
1103		852
1104	/* In this case we can tint image server-side getting significant	853	/* In this case we can tint image server-side getting significant
…		…
1113	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);	862	XFillRectangle (dpy, pixmap, gc, 0, 0, width, height);
1114	ret = true;	863	ret = true;
1115	XFreeGC (dpy, gc);	864	XFreeGC (dpy, gc);
1116	}	865	}
1117	}	866	}
1118	else
1119	{
1120	# if XRENDER	867	# if XRENDER
		868	else if (bg_flags & BG_HAS_RENDER)
		869	{
1121	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);	870	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1122		871
1123	if (bg_flags & BG_TINT_SET)	872	if (bg_flags & BG_TINT_SET)
1124	tint.get (c);	873	tint.get (c);
1125		874
…		…
1134	c.r = c.r * (200 - shade) / 100;	883	c.r = c.r * (200 - shade) / 100;
1135	c.g = c.g * (200 - shade) / 100;	884	c.g = c.g * (200 - shade) / 100;
1136	c.b = c.b * (200 - shade) / 100;	885	c.b = c.b * (200 - shade) / 100;
1137	}	886	}
1138		887
1139	XRenderPictFormat *solid_format = XRenderFindStandardFormat (dpy, PictStandardARGB32);
1140	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);	888	XRenderPictFormat *format = XRenderFindVisualFormat (dpy, visual);
1141	XRenderPictureAttributes pa;
1142		889
1143	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, &pa);	890	Picture back_pic = XRenderCreatePicture (dpy, pixmap, format, 0, 0);
1144		891
1145	pa.repeat = True;	892	Picture overlay_pic = create_xrender_mask (dpy, pixmap, True, False);
1146		893
1147	Pixmap overlay_pmap = XCreatePixmap (dpy, pixmap, 1, 1, 32);	894	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		895
1156	XRenderColor mask_c;	896	XRenderColor mask_c;
1157		897
1158	mask_c.alpha = 0xffff;	898	mask_c.alpha = 0xffff;
1159	mask_c.red =	899	mask_c.red =
…		…
1164	mask_c.alpha = 0;	904	mask_c.alpha = 0;
1165	mask_c.red = 0xffff - c.r;	905	mask_c.red = 0xffff - c.r;
1166	mask_c.green = 0xffff - c.g;	906	mask_c.green = 0xffff - c.g;
1167	mask_c.blue = 0xffff - c.b;	907	mask_c.blue = 0xffff - c.b;
1168	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);	908	XRenderFillRectangle (dpy, PictOpSrc, mask_pic, &mask_c, 0, 0, 1, 1);
		909
1169	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);	910	XRenderComposite (dpy, PictOpOver, overlay_pic, mask_pic, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1170		911
1171	if (shade > 100)	912	if (shade > 100)
1172	{	913	{
1173	mask_c.red = mask_c.green = mask_c.blue = 0xffff * (shade - 100) / 100;
1174	mask_c.alpha = 0;	914	mask_c.alpha = 0;
		915	mask_c.red =
		916	mask_c.green =
		917	mask_c.blue = 0xffff * (shade - 100) / 100;
1175	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);	918	XRenderFillRectangle (dpy, PictOpSrc, overlay_pic, &mask_c, 0, 0, 1, 1);
1176		919
1177	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);	920	XRenderComposite (dpy, PictOpOver, overlay_pic, None, back_pic, 0, 0, 0, 0, 0, 0, width, height);
1178	}	921	}
1179		922
1180	ret = true;	923	ret = true;
1181		924
1182	XRenderFreePicture (dpy, mask_pic);	925	XRenderFreePicture (dpy, mask_pic);
1183	XRenderFreePicture (dpy, overlay_pic);	926	XRenderFreePicture (dpy, overlay_pic);
1184	XRenderFreePicture (dpy, back_pic);	927	XRenderFreePicture (dpy, back_pic);
		928	}
1185	# endif	929	# endif
1186	}
1187		930
1188	return ret;	931	return ret;
1189	}	932	}
1190		933
1191	/*	934	/*
1192	* Builds a pixmap of the same size as the terminal window that contains	935	* 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	936	* the tiled portion of the root pixmap that is supposed to be covered by
1194	* our window.	937	* our window.
1195	*/	938	*/
1196	unsigned long	939	bool
1197	rxvt_term::make_transparency_pixmap ()	940	rxvt_term::make_transparency_pixmap ()
1198	{	941	{
1199	unsigned long result = 0;	942	bool ret = false;
1200		943
1201	/* root dimensions may change from call to call - but Display structure should	944	/* root dimensions may change from call to call - but Display structure should
1202	* be always up-to-date, so let's use it :	945	* be always up-to-date, so let's use it :
1203	*/	946	*/
1204	int screen = display->screen;	947	int screen = display->screen;
…		…
1242	#if XRENDER	985	#if XRENDER
1243	if (bg_flags & BG_HAS_RENDER)	986	if (bg_flags & BG_HAS_RENDER)
1244	{	987	{
1245	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);	988	recoded_root_pmap = XCreatePixmap (dpy, vt, root_pmap_width, root_pmap_height, depth);
1246		989
1247	XRenderPictureAttributes pa;
1248
1249	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));	990	XRenderPictFormat *src_format = XRenderFindVisualFormat (dpy, DefaultVisual (dpy, screen));
1250	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, &pa);	991	Picture src = XRenderCreatePicture (dpy, root_pixmap, src_format, 0, 0);
1251		992
1252	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);	993	XRenderPictFormat *dst_format = XRenderFindVisualFormat (dpy, visual);
1253	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, &pa);	994	Picture dst = XRenderCreatePicture (dpy, recoded_root_pmap, dst_format, 0, 0);
1254		995
1255	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);	996	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, root_pmap_width, root_pmap_height);
1256		997
1257	XRenderFreePicture (dpy, src);	998	XRenderFreePicture (dpy, src);
1258	XRenderFreePicture (dpy, dst);	999	XRenderFreePicture (dpy, dst);
…		…
1275	bg_pmap_width = window_width;	1016	bg_pmap_width = window_width;
1276	bg_pmap_height = window_height;	1017	bg_pmap_height = window_height;
1277	}	1018	}
1278		1019
1279	/* straightforward pixmap copy */	1020	/* straightforward pixmap copy */
1280	while (sx < 0) sx += root_width;	1021	while (sx < 0) sx += root_pmap_width;
1281	while (sy < 0) sy += root_height;	1022	while (sy < 0) sy += root_pmap_height;
1282		1023
1283	gcv.tile = recoded_root_pmap;	1024	gcv.tile = recoded_root_pmap;
1284	gcv.fill_style = FillTiled;	1025	gcv.fill_style = FillTiled;
1285	gcv.ts_x_origin = -sx;	1026	gcv.ts_x_origin = -sx;
1286	gcv.ts_y_origin = -sy;	1027	gcv.ts_y_origin = -sy;
1287	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);	1028	gc = XCreateGC (dpy, vt, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcv);
1288		1029
1289	if (gc)	1030	if (gc)
1290	{	1031	{
1291	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);	1032	XFillRectangle (dpy, bg_pixmap, gc, 0, 0, window_width, window_height);
1292	result |= BG_IS_VALID | (bg_flags & BG_EFFECTS_FLAGS);	1033	ret = true;
		1034	unsigned long tr_flags = bg_flags & BG_EFFECTS_FLAGS;
		1035
		1036	if (!(bg_flags & BG_CLIENT_RENDER))
		1037	{
		1038	if (bg_flags & BG_NEEDS_BLUR)
		1039	{
		1040	if (blur_pixmap (bg_pixmap, visual, window_width, window_height, depth))
		1041	tr_flags &= ~BG_NEEDS_BLUR;
		1042	}
		1043	if (bg_flags & BG_NEEDS_TINT)
		1044	{
		1045	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
		1046	tr_flags &= ~BG_NEEDS_TINT;
		1047	}
		1048	if (tr_flags & BG_NEEDS_TINT)
		1049	{
		1050	XImage *ximage = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
		1051	if (ximage)
		1052	{
		1053	/* our own client-side tinting */
		1054	tint_ximage (DefaultVisual (dpy, display->screen), ximage);
		1055
		1056	XPutImage (dpy, bg_pixmap, gc, ximage, 0, 0, 0, 0, ximage->width, ximage->height);
		1057	XDestroyImage (ximage);
		1058	}
		1059	}
		1060	} /* server side rendering completed */
		1061
1293	XFreeGC (dpy, gc);	1062	XFreeGC (dpy, gc);
1294
1295	if (!(bg_flags & BG_CLIENT_RENDER))
1296	{
1297	if ((bg_flags & BG_NEEDS_BLUR)
1298	&& (bg_flags & BG_HAS_RENDER_CONV))
1299	{
1300	if (blur_pixmap (bg_pixmap, visual, window_width, window_height))
1301	result &= ~BG_NEEDS_BLUR;
1302	}
1303	if ((bg_flags & BG_NEEDS_TINT)
1304	&& (bg_flags & (BG_TINT_BITAND | BG_HAS_RENDER)))
1305	{
1306	if (tint_pixmap (bg_pixmap, visual, window_width, window_height))
1307	result &= ~BG_NEEDS_TINT;
1308	}
1309	} /* server side rendering completed */
1310	}	1063	}
1311		1064
1312	if (recoded_root_pmap != root_pixmap)	1065	if (recoded_root_pmap != root_pixmap)
1313	XFreePixmap (dpy, recoded_root_pmap);	1066	XFreePixmap (dpy, recoded_root_pmap);
1314		1067
1315	return result;	1068	return ret;
1316	}	1069	}
1317		1070
1318	void	1071	void
1319	rxvt_term::bg_set_root_pixmap ()	1072	rxvt_term::bg_set_root_pixmap ()
1320	{	1073	{
…		…
1324		1077
1325	root_pixmap = new_root_pixmap;	1078	root_pixmap = new_root_pixmap;
1326	}	1079	}
1327	# endif /* ENABLE_TRANSPARENCY */	1080	# endif /* ENABLE_TRANSPARENCY */
1328		1081
1329	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1330	static void shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c);
1331	# endif
1332
1333	bool	1082	bool
1334	rxvt_term::bg_render ()	1083	rxvt_term::bg_render ()
1335	{	1084	{
1336	unsigned long tr_flags = 0;	1085	bool transparent = false;
1337		1086
1338	bg_invalidate ();	1087	bg_invalidate ();
1339	# ifdef ENABLE_TRANSPARENCY	1088	# ifdef ENABLE_TRANSPARENCY
1340	if (bg_flags & BG_IS_TRANSPARENT)	1089	if (bg_flags & BG_IS_TRANSPARENT)
1341	{	1090	{
1342	/* we need to re-generate transparency pixmap in that case ! */	1091	/* we need to re-generate transparency pixmap in that case ! */
1343	tr_flags = make_transparency_pixmap ();	1092	transparent = make_transparency_pixmap ();
1344	if (tr_flags == 0)	1093	if (transparent)
1345	return false;
1346	bg_flags |= BG_IS_VALID;	1094	bg_flags |= BG_IS_VALID;
1347	}	1095	}
1348	# endif	1096	# endif
1349		1097
1350	# ifdef BG_IMAGE_FROM_FILE	1098	# ifdef BG_IMAGE_FROM_FILE
1351	if ((bg_flags & BG_IS_FROM_FILE)	1099	if (bg_flags & BG_IS_FROM_FILE)
1352	|| (tr_flags & BG_EFFECTS_FLAGS))
1353	{	1100	{
1354	if (render_image (tr_flags))	1101	if (render_image (transparent))
1355	bg_flags |= BG_IS_VALID;	1102	bg_flags |= BG_IS_VALID;
1356	}
1357	# endif
1358
1359	# if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)
1360	XImage *result = NULL;
1361
1362	if (tr_flags & BG_NEEDS_TINT)
1363	{
1364	result = XGetImage (dpy, bg_pixmap, 0, 0, bg_pmap_width, bg_pmap_height, AllPlanes, ZPixmap);
1365	}
1366
1367	if (result)
1368	{
1369	/* our own client-side tinting */
1370	//if (tr_flags & BG_NEEDS_TINT)
1371	if (1)
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	}
1387
1388	XDestroyImage (result);
1389	}	1103	}
1390	# endif	1104	# endif
1391		1105
1392	if (!(bg_flags & BG_IS_VALID))	1106	if (!(bg_flags & BG_IS_VALID))
1393	{	1107	{
…		…
1430	#endif	1144	#endif
1431	}	1145	}
1432		1146
1433	#endif /* HAVE_BG_PIXMAP */	1147	#endif /* HAVE_BG_PIXMAP */
1434		1148
1435	#if defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE)	1149	#ifdef ENABLE_TRANSPARENCY
1436	/* based on code from aterm-0.4.2 */	1150	/* based on code from aterm-0.4.2 */
1437		1151
1438	static void	1152	static inline void
1439	shade_ximage (Visual *visual, XImage *ximage, int shade, const rgba &c)	1153	fill_lut (uint32_t *lookup, uint32_t mask, int sh, unsigned short low, unsigned short high)
1440	{	1154	{
		1155	for (int i = 0; i <= mask >> sh; i++)
		1156	{
		1157	uint32_t tmp;
		1158	tmp = i * high;
		1159	tmp += (mask >> sh) * low;
		1160	lookup[i] = (tmp / 0xffff) << sh;
		1161	}
		1162	}
		1163
		1164	void
		1165	rxvt_term::tint_ximage (Visual *visual, XImage *ximage)
		1166	{
		1167	unsigned int size_r, size_g, size_b;
1441	int sh_r, sh_g, sh_b;	1168	int sh_r, sh_g, sh_b;
1442	uint32_t mask_r, mask_g, mask_b;	1169	uint32_t mask_r, mask_g, mask_b;
1443	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;	1170	uint32_t *lookup, *lookup_r, *lookup_g, *lookup_b;
1444	rgba low;	1171	unsigned short low;
1445	rgba high;
1446	int i;
1447	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	1172	int host_byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
1448		1173
1449	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;	1174	if (visual->c_class != TrueColor || ximage->format != ZPixmap) return;
1450		1175
1451	/* for convenience */	1176	/* for convenience */
1452	mask_r = visual->red_mask;	1177	mask_r = visual->red_mask;
1453	mask_g = visual->green_mask;	1178	mask_g = visual->green_mask;
1454	mask_b = visual->blue_mask;	1179	mask_b = visual->blue_mask;
1455		1180
1456	/* boring lookup table pre-initialization */	1181	/* boring lookup table pre-initialization */
1457	switch (ximage->depth)	1182	sh_r = ecb_ctz32 (mask_r);
1458	{	1183	sh_g = ecb_ctz32 (mask_g);
1459	case 15:	1184	sh_b = ecb_ctz32 (mask_b);
1460	if ((mask_r != 0x7c00) ||	1185
1461	(mask_g != 0x03e0) ||	1186	size_r = mask_r >> sh_r;
1462	(mask_b != 0x001f))	1187	size_g = mask_g >> sh_g;
		1188	size_b = mask_b >> sh_b;
		1189
		1190	if (size_r++ > 255 || size_g++ > 255 || size_b++ > 255)
1463	return;	1191	return;
1464	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+32+32));	1192
		1193	lookup = (uint32_t *)malloc (sizeof (uint32_t) * (size_r + size_g + size_b));
1465	lookup_r = lookup;	1194	lookup_r = lookup;
1466	lookup_g = lookup+32;	1195	lookup_g = lookup + size_r;
1467	lookup_b = lookup+32+32;	1196	lookup_b = lookup + size_r + size_g;
1468	sh_r = 10;	1197
1469	sh_g = 5;	1198	rgba c (rgba::MAX_CC, rgba::MAX_CC, rgba::MAX_CC);
1470	sh_b = 0;	1199
1471	break;	1200	if (bg_flags & BG_TINT_SET)
1472	case 16:	1201	tint.get (c);
1473	if ((mask_r != 0xf800) ||
1474	(mask_g != 0x07e0) ||
1475	(mask_b != 0x001f))
1476	return;
1477	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(32+64+32));
1478	lookup_r = lookup;
1479	lookup_g = lookup+32;
1480	lookup_b = lookup+32+64;
1481	sh_r = 11;
1482	sh_g = 5;
1483	sh_b = 0;
1484	break;
1485	case 24:
1486	if ((mask_r != 0xff0000) ||
1487	(mask_g != 0x00ff00) ||
1488	(mask_b != 0x0000ff))
1489	return;
1490	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1491	lookup_r = lookup;
1492	lookup_g = lookup+256;
1493	lookup_b = lookup+256+256;
1494	sh_r = 16;
1495	sh_g = 8;
1496	sh_b = 0;
1497	break;
1498	case 32:
1499	if ((mask_r != 0xff0000) ||
1500	(mask_g != 0x00ff00) ||
1501	(mask_b != 0x0000ff))
1502	return;
1503	lookup = (uint32_t *) malloc (sizeof (uint32_t)*(256+256+256));
1504	lookup_r = lookup;
1505	lookup_g = lookup+256;
1506	lookup_b = lookup+256+256;
1507	sh_r = 16;
1508	sh_g = 8;
1509	sh_b = 0;
1510	break;
1511	default:
1512	return; /* we do not support this color depth */
1513	}
1514		1202
1515	/* prepare limits for color transformation (each channel is handled separately) */	1203	/* prepare limits for color transformation (each channel is handled separately) */
1516	if (shade > 100)	1204	if (shade > 100)
1517	{	1205	{
1518	shade = 200 - shade;
1519
1520	high.r = c.r * shade / 100;
1521	high.g = c.g * shade / 100;
1522	high.b = c.b * shade / 100;
1523
1524	low.r = 65535 * (100 - shade) / 100;	1206	c.r = c.r * (200 - shade) / 100;
1525	low.g = 65535 * (100 - shade) / 100;	1207	c.g = c.g * (200 - shade) / 100;
1526	low.b = 65535 * (100 - shade) / 100;	1208	c.b = c.b * (200 - shade) / 100;
		1209
		1210	low = 0xffff * (shade - 100) / 100;
1527	}	1211	}
1528	else	1212	else
1529	{	1213	{
1530	high.r = c.r * shade / 100;	1214	c.r = c.r * shade / 100;
1531	high.g = c.g * shade / 100;	1215	c.g = c.g * shade / 100;
1532	high.b = c.b * shade / 100;	1216	c.b = c.b * shade / 100;
1533		1217
1534	low.r = low.g = low.b = 0;	1218	low = 0;
1535	}	1219	}
1536		1220
1537	/* fill our lookup tables */	1221	/* fill our lookup tables */
1538	for (i = 0; i <= mask_r>>sh_r; i++)	1222	fill_lut (lookup_r, mask_r, sh_r, low, c.r);
1539	{	1223	fill_lut (lookup_g, mask_g, sh_g, low, c.g);
1540	uint32_t tmp;	1224	fill_lut (lookup_b, mask_b, sh_b, low, c.b);
1541	tmp = i * high.r;
1542	tmp += (mask_r>>sh_r) * low.r;
1543	lookup_r[i] = (tmp/65535)<<sh_r;
1544	}
1545	for (i = 0; i <= mask_g>>sh_g; i++)
1546	{
1547	uint32_t tmp;
1548	tmp = i * high.g;
1549	tmp += (mask_g>>sh_g) * low.g;
1550	lookup_g[i] = (tmp/65535)<<sh_g;
1551	}
1552	for (i = 0; i <= mask_b>>sh_b; i++)
1553	{
1554	uint32_t tmp;
1555	tmp = i * high.b;
1556	tmp += (mask_b>>sh_b) * low.b;
1557	lookup_b[i] = (tmp/65535)<<sh_b;
1558	}
1559		1225
1560	/* apply table to input image (replacing colors by newly calculated ones) */	1226	/* apply table to input image (replacing colors by newly calculated ones) */
1561	if (ximage->bits_per_pixel == 32	1227	if (ximage->bits_per_pixel == 32
1562	&& (ximage->depth == 24 || ximage->depth == 32)
1563	&& ximage->byte_order == host_byte_order)	1228	&& ximage->byte_order == host_byte_order)
1564	{	1229	{
1565	uint32_t *p1, *pf, *p, *pl;	1230	char *line = ximage->data;
1566	p1 = (uint32_t *) ximage->data;
1567	pf = (uint32_t *) (ximage->data + ximage->height * ximage->bytes_per_line);
1568		1231
1569	while (p1 < pf)	1232	for (int y = 0; y < ximage->height; y++)
1570	{
1571	p = p1;
1572	pl = p1 + ximage->width;
1573	for (; p < pl; p++)
1574	{	1233	{
1575	*p = lookup_r[(*p & 0xff0000) >> 16] |	1234	uint32_t *p = (uint32_t *)line;
1576	lookup_g[(*p & 0x00ff00) >> 8] |	1235	for (int x = 0; x < ximage->width; x++)
1577	lookup_b[(*p & 0x0000ff)] |
1578	(*p & 0xff000000);
1579	}	1236	{
1580	p1 = (uint32_t *) ((char *) p1 + ximage->bytes_per_line);	1237	*p = lookup_r[(*p & mask_r) >> sh_r] |
		1238	lookup_g[(*p & mask_g) >> sh_g] |
		1239	lookup_b[(*p & mask_b) >> sh_b];
		1240	p++;
		1241	}
		1242	line += ximage->bytes_per_line;
1581	}	1243	}
1582	}	1244	}
1583	else	1245	else
1584	{	1246	{
1585	for (int y = 0; y < ximage->height; y++)	1247	for (int y = 0; y < ximage->height; y++)
…		…
1593	}	1255	}
1594	}	1256	}
1595		1257
1596	free (lookup);	1258	free (lookup);
1597	}	1259	}
1598	#endif /* defined(ENABLE_TRANSPARENCY) && !defined(HAVE_AFTERIMAGE) */	1260	#endif /* ENABLE_TRANSPARENCY */

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