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Comparing rxvt-unicode/src/xpm.C (file contents):
Revision 1.41 by root, Tue Jun 26 00:40:19 2007 UTC vs.
Revision 1.63 by sasha, Wed Aug 8 22:39:49 2007 UTC

…		…
24	*---------------------------------------------------------------------*/	24	*---------------------------------------------------------------------*/
25		25
26	#include "../config.h" /* NECESSARY */	26	#include "../config.h" /* NECESSARY */
27	#include "rxvt.h" /* NECESSARY */	27	#include "rxvt.h" /* NECESSARY */
28		28
29	#ifdef XPM_BACKGROUND
30
31	static void rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight);
32
33	/*	29	/*
34	* These GEOM strings indicate absolute size/position:	30	* Pixmap geometry string interpretation :
35	* @ `WxH+X+Y'	31	* Each geometry string contains zero or one scale/position
36	* @ `WxH+X' -> Y = X	32	* adjustment and may optionally be followed by a colon and one or more
37	* @ `WxH' -> Y = X = 50	33	* colon-delimited pixmap operations.
38	* @ `W+X+Y' -> H = W	34	* The following table shows the valid geometry strings and their
39	* @ `W+X' -> H = W, Y = X	35	* affects on the background image :
40	* @ `W' -> H = W, X = Y = 50
41	* @ `0xH' -> H *= H/100, X = Y = 50 (W unchanged)
42	* @ `Wx0' -> W *= W/100, X = Y = 50 (H unchanged)
43	* @ `=+X+Y' -> (H, W unchanged)
44	* @ `=+X' -> Y = X (H, W unchanged)
45	*	36	*
46	* These GEOM strings adjust position relative to current position:	37	* WxH+X+Y Set scaling to W% by H%, and position to X% by Y%.
47	* @ `+X+Y'	38	* W and H are percentages of the terminal window size.
48	* @ `+X' -> Y = X	39	* X and Y are also percentages; e.g., +50+50 centers
		40	* the image in the window.
		41	* WxH+X Assumes Y == X
		42	* WxH Assumes Y == X == 50 (centers the image)
		43	* W+X+Y Assumes H == W
		44	* W+X Assumes H == W and Y == X
		45	* W Assumes H == W and Y == X == 50
49	*	46	*
50	* And this GEOM string is for querying current scale/position:	47	* Adjusting position only :
51	* @ `?'	48	* =+X+Y Set position to X% by Y% (absolute).
		49	* =+X Set position to X% by X%.
		50	* +X+Y Adjust position horizontally X% and vertically Y%
		51	* from current position (relative).
		52	* +X Adjust position horizontally X% and vertically X%
		53	* from current position.
		54	*
		55	* Adjusting scale only :
		56	* Wx0 Multiply horizontal scaling factor by W%
		57	* 0xH Multiply vertical scaling factor by H%
		58	* 0x0 No scaling (show image at normal size).
		59	*
		60	* Pixmap Operations : (should be prepended by a colon)
		61	* tile Tile image. Scaling/position modifiers above will affect
		62	* the tile size and origin.
		63	* propscale When scaling, scale proportionally. That is, maintain the
		64	* proper aspect ratio for the image. Any portion of the
		65	* background not covered by the image is filled with the
		66	* current background color.
		67	* hscale Scale horizontally, tile vertically ?
		68	* vscale Tile horizontally, scale vertically ?
		69	* scale Scale both up and down
		70	* auto Same as 100x100+50+50
52	*/	71	*/
53	int	72
54	rxvt_term::scale_pixmap (const char *geom)	73	#ifdef HAVE_BG_PIXMAP
		74	bool
		75	bgPixmap_t::window_size_sensitive ()
55	{	76	{
		77	# ifdef XPM_BACKGROUND
		78	# ifdef HAVE_AFTERIMAGE
		79	if (original_asim != NULL)
		80	# endif
		81	{
		82	if (h_scale != 0 || v_scale != 0)
		83	return true;
		84	}
		85	# endif
		86	# ifdef ENABLE_TRANSPARENCY
		87	if (flags & bgPmap_Transparent)
		88	return true;
		89	# endif
		90	return false;
		91	}
		92
		93	# ifdef XPM_BACKGROUND
		94	static inline bool
		95	check_set_scale_value (int geom_flags, int flag, unsigned int &scale, unsigned int new_value)
		96	{
		97	if (geom_flags & flag)
		98	{
		99	if (new_value > 1000)
		100	new_value = 1000;
		101	if (new_value != scale)
		102	{
		103	scale = new_value;
		104	return true;
		105	}
		106	}
		107	return false;
		108	}
		109
		110	static inline bool
		111	check_set_align_value (int geom_flags, int flag, int &align, int new_value)
		112	{
		113	if (geom_flags & flag)
		114	{
		115	if (new_value < -100)
		116	new_value = -100;
		117	else if (new_value > 200)
		118	new_value = 200;
		119	if (new_value != align)
		120	{
		121	align = new_value;
		122	return true;
		123	}
		124	}
		125	return false;
		126	}
		127
		128	static inline int
		129	make_align_position (int align, int window_size, int image_size)
		130	{
		131	int diff = window_size - image_size;
		132	int smaller = MIN (image_size,window_size);
		133
		134	if (align >= 0 && align <= 50)
		135	return diff * align / 100;
		136	else if (align > 50 && align <= 100)
		137	return window_size - image_size - diff * (100 - align) / 100;
		138	else if (align > 100 && align <= 200 )
		139	return ((align - 100) * smaller / 100) + window_size - smaller;
		140	else if (align > -100 && align < 0)
		141	return ((align + 100) * smaller / 100) - image_size;
		142	return 0;
		143	}
		144
		145	static inline int
		146	make_clip_rectangle (int pos, int size, int target_size, int &dst_pos, int &dst_size)
		147	{
		148	int src_pos = 0;
		149	dst_pos = 0;
		150	dst_size = size;
		151	if (pos < 0 && size > target_size)
		152	{
		153	src_pos = -pos;
		154	dst_size += pos;
		155	}
		156	else if (pos > 0)
		157	dst_pos = pos;
		158
		159	if (dst_pos + dst_size > target_size)
		160	dst_size = target_size - dst_pos;
		161	return src_pos;
		162	}
		163
		164	bool
		165	bgPixmap_t::handle_geometry (const char *geom)
		166	{
56	int flags, changed = 0;	167	int geom_flags = 0, changed = 0;
57	int x = 0, y = 0;	168	int x = 0, y = 0;
58	unsigned int w = 0, h = 0;	169	unsigned int w = 0, h = 0;
59	unsigned int n;	170	unsigned int n;
		171	unsigned long new_flags = (flags&(~bgPmap_geometryFlags));
60	char *p;	172	char *p;
61	bgPixmap_t *bgpixmap = &bgPixmap;	173	# define MAXLEN_GEOM 256 /* could be longer then regular geometry string */
62
63	#define MAXLEN_GEOM sizeof("[10000x10000+10000+10000]")
64		174
65	if (geom == NULL)	175	if (geom == NULL)
66	return 0;	176	return false;
67		177
68	char str[MAXLEN_GEOM];	178	char str[MAXLEN_GEOM];
69		179
70	if (!strcmp (geom, "?"))	180	if (!strcmp (geom, "?"))
71	{	181	{
		182	if (target)
		183	{
72	sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */	184	sprintf (str, "[%dx%d+%d+%d]", /* can't presume snprintf () ! */
73	min (bgpixmap->w, 32767), min (bgpixmap->h, 32767),	185	min (h_scale, 32767), min (v_scale, 32767),
74	min (bgpixmap->x, 32767), min (bgpixmap->y, 32767));	186	min (h_align, 32767), min (v_align, 32767));
75	process_xterm_seq (XTerm_title, str, CHAR_ST);	187	target->process_xterm_seq (XTerm_title, str, CHAR_ST);
		188	}
76	return 0;	189	return false;
77	}	190	}
78		191	while (isspace(*geom)) ++geom;
79	if ((p = strchr (geom, ';')) == NULL)	192	if ((p = strchr (geom, ';')) == NULL)
80	p = strchr (geom, '\0');	193	p = strchr (geom, '\0');
81		194
82	n = (p - geom);	195	n = (p - geom);
83	if (n < MAXLEN_GEOM)	196	if (n < MAXLEN_GEOM)
84	{	197	{
		198	char *ops;
		199	new_flags |= bgPmap_geometrySet;
		200
85	strncpy (str, geom, n);	201	strncpy (str, geom, n);
86	str[n] = '\0';	202	str[n] = '\0';
87		203	if (str[0] == ':')
88	if (strcmp(str, "auto") == 0)	204	ops = &str[0];
89	{	205	else if (str[0] != 'x' && str[0] != 'X' && isalpha(str[0]))
90	if (!bgpixmap->auto_resize)	206	ops = &str[0];
91	changed++;
92	bgpixmap->auto_resize = True ;
93	w = szHint.width ;
94	h = szHint.height ;
95	flags = WidthValue|HeightValue ;
96	}
97	else	207	else
98	{	208	{
99	bgpixmap->auto_resize = False ;	209	char *tmp;
		210	ops = strchr (str, ':');
		211	if (ops != NULL)
		212	{
		213	for (tmp = ops-1; tmp >= str && isspace(*tmp); --tmp);
		214	*(++tmp) = '\0';
		215	if (ops == tmp) ++ops;
		216	}
		217	}
		218
		219	if (ops > str || ops == NULL)
		220	{
		221	/* we have geometry string - let's handle it prior to applying ops */
100	flags = XParseGeometry (str, &x, &y, &w, &h);	222	geom_flags = XParseGeometry (str, &x, &y, &w, &h);
		223
		224	if ((geom_flags & XValue) && !(geom_flags & YValue))
		225	{
		226	y = x;
		227	geom_flags |= YValue;
		228	}
		229
		230	if (flags & bgPmap_geometrySet)
		231	{/* new geometry is an adjustment to the old one ! */
		232	if ((geom_flags & WidthValue) && (geom_flags & HeightValue))
		233	{
		234	if (w == 0 && h != 0)
		235	{
		236	w = h_scale;
		237	h = (v_scale * h) / 100;
		238	}
		239	else if (h == 0 && w != 0)
		240	{
		241	w = (h_scale * w) / 100;
		242	h = v_scale;
		243	}
		244	}
		245	if (geom_flags & XValue)
		246	{
		247	if (str[0] != '=')
		248	{
		249	y += v_align;
		250	x += h_align;
		251	}
		252	}
		253	}
		254	else /* setting up geometry from scratch */
		255	{
		256	if (!(geom_flags & XValue))
		257	{/* use default geometry - centered */
		258	x = y = bgPmap_defaultAlign;
		259	}
		260	else if (!(geom_flags & YValue))
		261	y = x;
		262
		263	if ((geom_flags & (WidthValue|HeightValue)) == 0)
		264	{/* use default geometry - scaled */
		265	w = h = bgPmap_defaultScale;
		266	}
		267	else if (geom_flags & WidthValue)
		268	{
		269	if (!(geom_flags & HeightValue))
		270	h = w;
		271	}
		272	else
		273	w = h;
		274	}
		275	} /* done parsing geometry string */
		276	else if (!(flags & bgPmap_geometrySet))
		277	{ /* default geometry - scaled and centered */
		278	x = y = bgPmap_defaultAlign;
		279	w = h = bgPmap_defaultScale;
		280	}
101	}	281
		282	if (!(flags & bgPmap_geometrySet))
		283	geom_flags |= WidthValue|HeightValue|XValue|YValue;
102		284
103	if (!flags)	285	if (ops)
104	{
105	flags |= WidthValue;
106	w = 0;
107	} /* default is tile */
108
109	if (flags & WidthValue)
110	{
111	if (!(flags & XValue))
112	x = 50;
113
114	if (!(flags & HeightValue))
115	h = w;
116
117	if (w && !h)
118	{	286	{
119	w = (bgpixmap->w * w) / 100;	287	while (*ops)
120	h = bgpixmap->h;
121	}	288	{
122	else if (h && !w)	289	while (*ops == ':' || isspace(*ops)) ++ops;
		290	# define CHECK_GEOM_OPS(op_str) (strncasecmp (ops, (op_str), sizeof(op_str)-1) == 0)
		291	if (CHECK_GEOM_OPS("tile"))
123	{	292	{
124	w = bgpixmap->w;	293	w = h = 0;
125	h = (bgpixmap->h * h) / 100;	294	geom_flags |= WidthValue|HeightValue;
		295	}
		296	else if (CHECK_GEOM_OPS("propscale"))
		297	{
		298	if (w == 0 && h == 0)
		299	{
		300	w = 100;
		301	geom_flags |= WidthValue;
		302	}
		303	new_flags |= bgPmap_propScale;
		304	}
		305	else if (CHECK_GEOM_OPS("hscale"))
		306	{
		307	if (w == 0)
		308	w = 100;
		309	h = 0;
		310	geom_flags |= WidthValue|HeightValue;
		311	}
		312	else if (CHECK_GEOM_OPS("vscale"))
		313	{
		314	if (h == 0)
		315	h = 100;
		316	w = 0;
		317	geom_flags |= WidthValue|HeightValue;
		318	}
		319	else if (CHECK_GEOM_OPS("scale"))
		320	{
		321	if (h == 0)
		322	h = 100;
		323	if (w == 0)
		324	w = 100;
		325	geom_flags |= WidthValue|HeightValue;
		326	}
		327	else if (CHECK_GEOM_OPS("auto"))
		328	{
		329	w = h = 100;
		330	x = y = 50;
		331	geom_flags |= WidthValue|HeightValue|XValue|YValue;
		332	}
		333	# undef CHECK_GEOM_OPS
		334	while (*ops != ':' && *ops != '\0') ++ops;
		335	} /* done parsing ops */
		336	}
		337
		338	if (check_set_scale_value (geom_flags, WidthValue, h_scale, w))
		339	++changed;
		340	if (check_set_scale_value (geom_flags, HeightValue, v_scale, h))
		341	++changed;
		342	if (check_set_align_value (geom_flags, XValue, h_align, x))
		343	++changed;
		344	if (check_set_align_value (geom_flags, YValue, v_align, y))
		345	++changed;
		346	}
		347
		348	if (new_flags != flags)
		349	{
		350	flags = new_flags;
		351	changed++;
		352	}
		353	//fprintf( stderr, "flags = %lX, scale = %ux%u, align=%+d%+d\n",
		354	// flags, h_scale, v_scale, h_align, v_align);
		355	return (changed > 0);
		356	}
		357
		358	# ifdef HAVE_AFTERIMAGE
		359	bool
		360	bgPixmap_t::render_asim (ASImage *background, ARGB32 background_tint)
		361	{
		362	if (target == NULL)
		363	return false;
		364
		365	int target_width = (int)target->szHint.width;
		366	int target_height = (int)target->szHint.height;
		367	int new_pmap_width = target_width, new_pmap_height = target_height;
		368	ASImage *result = NULL;
		369
		370	int x = 0;
		371	int y = 0;
		372	int w = h_scale * target_width / 100;
		373	int h = v_scale * target_height / 100;
		374
		375	if (original_asim)
		376	{
		377	x = make_align_position (h_align, target_width, w > 0 ? w : (int)original_asim->width);
		378	y = make_align_position (v_align, target_height, h > 0 ? h : (int)original_asim->height);
		379	}
		380
		381	if (original_asim == NULL
		382	|| x >= target_width
		383	|| y >= target_height
		384	|| (w > 0 && x + w <= 0)
		385	|| (h > 0 && y + h <= 0))
		386	{
		387	if (background)
		388	{
		389	new_pmap_width = background->width;
		390	new_pmap_height = background->height;
		391	result = background;
		392	if (background_tint != TINT_LEAVE_SAME)
126	}	393	{
127		394	ASImage* tmp = tile_asimage (target->asv, background, 0, 0,
128	min_it (w, 32767);	395	target_width, target_height, background_tint,
129	min_it (h, 32767);	396	ASA_XImage, 100, ASIMAGE_QUALITY_DEFAULT);
130		397	if (tmp)
131	if (bgpixmap->w != (short)w)	398	result = tmp;
132	{	399	}
133	bgpixmap->w = (short)w;	400	}
134	changed++;	401	else
		402	new_pmap_width = new_pmap_height = 0;
		403	}
		404	else
		405	{
		406	result = original_asim;
		407	if ((w > 0 && w != original_asim->width)
		408	|| (h > 0 && h != original_asim->height))
		409	{
		410	result = scale_asimage (target->asv, original_asim,
		411	w > 0 ? w : original_asim->width,
		412	h > 0 ? h : original_asim->height,
		413	background ? ASA_ASImage : ASA_XImage,
		414	100, ASIMAGE_QUALITY_DEFAULT);
		415	}
		416	if (background == NULL)
		417	{/* if tiling - pixmap has to be sized exactly as the image */
		418	if (h_scale == 0)
		419	new_pmap_width = result->width;
		420	if (v_scale == 0)
		421	new_pmap_height = result->height;
		422	/* we also need to tile our image in one or both directions */
		423	if (h_scale == 0 || v_scale == 0)
135	}	424	{
136		425	ASImage *tmp = tile_asimage (target->asv, result,
137	if (bgpixmap->h != (short)h)	426	(h_scale > 0) ? 0 : (int)result->width - x,
		427	(v_scale > 0) ? 0 : (int)result->height - y,
		428	result->width, result->height,
		429	TINT_LEAVE_SAME, ASA_XImage,
		430	100, ASIMAGE_QUALITY_DEFAULT);
		431	if (tmp)
		432	{
		433	if (result != original_asim)
		434	destroy_asimage (&result);
		435	result = tmp;
		436	}
138	{	437	}
139	bgpixmap->h = (short)h;	438	}
140	changed++;	439	else
		440	{/* if blending background and image - pixmap has to be sized same as target window */
		441	ASImageLayer *layers = create_image_layers (2);
		442	ASImage *merged_im = NULL;
		443
		444	layers[0].im = background;
		445	layers[0].clip_width = target_width;
		446	layers[0].clip_height = target_height;
		447	layers[0].tint = background_tint;
		448	layers[1].im = result;
		449	if (w <= 0)
		450	{/* tile horizontally */
		451	while (x > 0) x -= (int)result->width;
		452	layers[1].dst_x = x;
		453	layers[1].clip_width = result->width+target_width;
		454	}
		455	else
		456	{/* clip horizontally */
		457	layers[1].dst_x = x;
		458	layers[1].clip_width = result->width;
		459	}
		460	if (h <= 0)
141	}	461	{
		462	while (y > 0) y -= (int)result->height;
		463	layers[1].dst_y = y;
		464	layers[1].clip_height = result->height + target_height;
142	}	465	}
143		466	else
144	if (!(flags & YValue))	467	{
		468	layers[1].dst_y = y;
		469	layers[1].clip_height = result->height;
		470	}
		471	if (target->rs[Rs_blendtype])
		472	{
		473	layers[1].merge_scanlines = blend_scanlines_name2func (target->rs[Rs_blendtype]);
		474	if (layers[1].merge_scanlines == NULL)
		475	layers[1].merge_scanlines = alphablend_scanlines;
		476	}
		477	ASImage *tmp = merge_layers (target->asv, layers, 2, target_width, target_height,
		478	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT);
		479	if (tmp)
		480	{
		481	if (result != original_asim)
		482	destroy_asimage (&result);
		483	result = tmp;
		484	}
		485	free (layers);
145	{	486	}
146	if (flags & XNegative)	487	}
147	flags |= YNegative;
148		488
149	y = x;	489	if (pixmap)
		490	{
		491	if (result == NULL
		492	|| pmap_width != new_pmap_width
		493	|| pmap_height != new_pmap_height
		494	|| pmap_depth != target->depth)
150	}	495	{
151		496	XFreePixmap (target->dpy, pixmap);
152	if (!(flags & WidthValue) && geom[0] != '=')	497	pixmap = None;
153	{	498	}
154	x += bgpixmap->x;	499	}
155	y += bgpixmap->y;	500
		501	if (result)
		502	{
		503	XGCValues gcv;
		504	GC gc;
		505
		506	/* create Pixmap */
		507	if (pixmap == None)
156	}	508	{
157		509	pixmap = XCreatePixmap (target->dpy, target->vt, new_pmap_width, new_pmap_height, target->depth);
158	if (xpmAttr.width && xpmAttr.height)	510	pmap_width = new_pmap_width;
		511	pmap_height = new_pmap_height;
		512	pmap_depth = target->depth;
159	{	513	}
160	x = MOD(x, xpmAttr.width);	514	/* fill with background color ( if result's not completely overlapping it)*/
161	y = MOD(y, xpmAttr.height);	515	gcv.foreground = target->pix_colors[Color_bg];
		516	gc = XCreateGC (target->dpy, target->vt, GCForeground, &gcv);
		517
		518	int src_x = 0, src_y = 0, dst_x = 0, dst_y = 0;
		519	int dst_width = result->width, dst_height = result->height;
		520	if (background == NULL)
162	}	521	{
		522	if (h_scale > 0)
		523	src_x = make_clip_rectangle (x, result->width, new_pmap_width, dst_x, dst_width);
		524	if (v_scale > 0)
		525	src_y = make_clip_rectangle (y, result->height, new_pmap_height, dst_y, dst_height);
163		526
164	if (bgpixmap->x != x)	527	if (dst_x > 0 || dst_y > 0
		528	|| dst_x + dst_width < new_pmap_width
		529	|| dst_y + dst_height < new_pmap_height)
		530	{
		531	XFillRectangle (target->dpy, pixmap, gc, 0, 0, new_pmap_width, new_pmap_height);
		532	}
165	{	533	}
166	bgpixmap->x = x;
167	changed++;
168	}
169		534
170	if (bgpixmap->y != y)	535	/* put result on pixmap */
171	{	536	if (dst_x < new_pmap_width && dst_y < new_pmap_height)
172	bgpixmap->y = y;	537	asimage2drawable (target->asv, pixmap, result, gc, src_x, src_y, dst_x, dst_y, dst_width, dst_height, True);
173	changed++;
174	}
175	}	538
		539	if (result != background && result != original_asim)
		540	destroy_asimage (&result);
176		541
177	return changed;	542	XFreeGC (target->dpy, gc);
		543	if (background)
		544	flags |= bgPmap_Transparent;
		545	else
		546	flags &= ~bgPmap_Transparent;
		547	}
		548
		549	return true;
178	}	550	}
		551	# endif /* HAVE_AFTERIMAGE */
179		552
180	void	553	void
181	rxvt_term::resize_pixmap ()	554	rxvt_term::resize_pixmap ()
182	{	555	{
183	XGCValues gcvalue;
184	GC gc;
185		556
186	if (pixmap != None)
187	{
188	XFreePixmap (dpy, pixmap);
189	pixmap = None ;
190	}
191
192	if (bgPixmap.pixmap == None)
193	{ /* So be it: I'm not using pixmaps */
194	pixmap = None;
195
196	#ifdef ENABLE_TRANSPARENCY	557	# ifdef ENABLE_TRANSPARENCY
197	if (!option (Opt_transparent) || !am_transparent)	558	if (option(Opt_transparent) && am_transparent)
		559	{
		560	/* we need to re-generate transparency pixmap in that case ! */
		561	check_our_parents ();
		562	return;
		563	}
198	#endif	564	# endif
199	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
200
201	return;
202	}
203
204	gcvalue.foreground = pix_colors[Color_bg];
205	gc = XCreateGC (dpy, vt, GCForeground, &gcvalue);
206
207	if (bgPixmap.pixmap != None)
208	{ /* we have a specified pixmap */
209	unsigned int w = bgPixmap.w, h = bgPixmap.h,
210	x = bgPixmap.x, y = bgPixmap.y;
211	unsigned int xpmh = xpmAttr.height,
212	xpmw = xpmAttr.width;
213
214	if (bgPixmap.auto_resize)
215	{
216	w = szHint.width ;
217	h = szHint.height ;
218	}
219	/*
220	* don't zoom pixmap too much nor expand really small pixmaps
221	*/
222	if (w > 32767 || h > 32767)
223	w = 1;
224	else if (width > (10 * xpmw)
225	|| height > (10 * xpmh))
226	w = 0; /* tile */
227
228	if (!w)
229	{
230	/* basic X tiling - let the X server do it */
231	pixmap = XCreatePixmap (dpy, vt, xpmw, xpmh, depth);
232
233	XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, y, xpmw - x, xpmh - y, 0, 0);
234	XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, x, 0, xpmw - x, y, 0, xpmh - y);
235	XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, y, x, xpmh - y, xpmw - x, 0);
236	XCopyArea (dpy, bgPixmap.pixmap, pixmap, gc, 0, 0, x, y, xpmw - x, xpmh - y);
237	}
238	else
239	#ifdef HAVE_AFTERIMAGE	565	# ifdef HAVE_AFTERIMAGE
240	#ifdef ENABLE_TRANSPARENCY	566	bgPixmap.render_asim(NULL, TINT_LEAVE_SAME);
241	if (!option(Opt_transparent) || !am_transparent)	567	bgPixmap.apply_background();
242	/* will do that in check_our_parents otherwise */
243	#endif	568	# endif
244	{
245	ASImage *scaled_im = scale_asimage( display->asv, original_asim, w, h, ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT );
246	if (scaled_im)
247	{
248	pixmap = asimage2pixmap( display->asv, display->root, scaled_im, gc, True );
249	destroy_asimage( &scaled_im );
250	}
251	}
252	#else /* HAVE_AFTERIMAGE */
253	{
254	float incr, p;
255	Pixmap tmp;
256
257	pixmap = XCreatePixmap (dpy, vt, width, height, depth);
258	/*
259	* horizontal scaling
260	*/
261	rxvt_pixmap_incr (&w, &x, &incr, &p, width, xpmw);
262
263	tmp = XCreatePixmap (dpy, vt, width, xpmh, depth);
264	XFillRectangle (dpy, tmp, gc, 0, 0, width, xpmh);
265
266	for ( /*nil */ ; x < w; x++, p += incr)
267	{
268	if (p >= xpmw)
269	p = 0;
270
271	/* copy one column from the original pixmap to the tmp pixmap */
272	XCopyArea (dpy, bgPixmap.pixmap, tmp, gc, (int)p, 0, 1, xpmh, (int)x, 0);
273	}
274
275	/*
276	* vertical scaling
277	*/
278	rxvt_pixmap_incr (&h, &y, &incr, &p, height, xpmh);
279
280	if (y > 0)
281	XFillRectangle (dpy, pixmap, gc, 0, 0, width, y);
282
283	if (h < height)
284	XFillRectangle (dpy, pixmap, gc, 0, (int)h, width, height - h + 1);
285
286	for ( /*nil */ ; y < h; y++, p += incr)
287	{
288	if (p >= xpmh)
289	p = 0;
290
291	/* copy one row from the tmp pixmap to the main pixmap */
292	XCopyArea (dpy, tmp, pixmap, gc, 0, (int)p, width, 1, 0, (int)y);
293	}
294
295	XFreePixmap (dpy, tmp);
296	}
297	#endif /* HAVE_AFTERIMAGE */
298	}
299
300	XSetWindowBackgroundPixmap (dpy, vt, pixmap);
301
302	XFreeGC (dpy, gc);
303	#ifdef ENABLE_TRANSPARENCY
304	am_transparent = 0;
305	#endif
306	}	569	}
307		570
308	/*	571	void
309	* Calculate tiling sizes and increments
310	* At start, p == 0, incr == xpmwidthheight
311	*/
312	static void
313	rxvt_pixmap_incr (unsigned int *wh, unsigned int *xy, float *incr, float *p, unsigned int widthheight, unsigned int xpmwidthheight)
314	{
315	unsigned int cwh, cxy;
316	float cincr, cp;
317
318	cp = 0;
319	cincr = (float)xpmwidthheight;
320	cxy = *xy;
321	cwh = *wh;
322	if (cwh == 1)
323	{ /* display one image, no horizontal/vertical scaling */
324	cincr = (float)widthheight;
325	if (xpmwidthheight <= widthheight)
326	{
327	cwh = xpmwidthheight;
328	cxy = (cxy * (widthheight - cwh)) / 100; /* beware! order */
329	cwh += cxy;
330	}
331	else
332	{
333	cxy = 0;
334	cwh = widthheight;
335	}
336	}
337	else if (cwh < 10)
338	{ /* fit WH images across/down screen */
339	cincr *= cwh;
340	cxy = 0;
341	cwh = widthheight;
342	}
343	else
344	{
345	cincr *= 100.0 / cwh;
346	if (cwh < 100)
347	{ /* contract */
348	float pos;
349
350	cwh = (cwh * widthheight) / 100;
351	pos = (float)cxy / 100 * widthheight - (cwh / 2);
352
353	cxy = (widthheight - cwh);
354	if (pos <= 0)
355	cxy = 0;
356	else if (pos < cxy)
357	cxy = (int) pos;
358	cwh += cxy;
359	}
360	else
361	{ /* expand */
362	if (cxy > 0)
363	{ /* position */
364	float pos;
365
366	pos = (float)cxy / 100 * xpmwidthheight - (cincr / 2);
367	cp = xpmwidthheight - cincr;
368	if (pos <= 0)
369	cp = 0;
370	else if (pos < cp)
371	cp = pos;
372	}
373	cxy = 0;
374	cwh = widthheight;
375	}
376	}
377	cincr /= widthheight;
378	*wh = cwh;
379	*xy = cxy;
380	*incr = cincr;
381	*p = cp;
382	}
383
384	Pixmap
385	rxvt_term::set_bgPixmap (const char *file)	572	rxvt_term::set_bgPixmap (const char *file)
386	{	573	{
387	char *f;	574	char *f;
388		575
389	assert (file != NULL);	576	assert (file != NULL);
…		…
393	XFreePixmap (dpy, bgPixmap.pixmap);	580	XFreePixmap (dpy, bgPixmap.pixmap);
394	bgPixmap.pixmap = None;	581	bgPixmap.pixmap = None;
395	}	582	}
396		583
397	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);	584	XSetWindowBackground (dpy, vt, pix_colors[Color_bg]);
398
399	if (*file != '\0')	585	if (*file != '\0')
400	{	586	{
401	/* XWindowAttributes attr; */
402
403	/*
404	* we already have the required attributes
405	*/
406	/* XGetWindowAttributes (dpy, vt, &attr); */
407
408	#ifdef HAVE_AFTERIMAGE	587	# ifdef HAVE_AFTERIMAGE
409	if (asimman == NULL)	588	if (asimman == NULL)
410	asimman = create_generic_imageman(rs[Rs_path]);	589	asimman = create_generic_imageman(rs[Rs_path]);
411	if ((f = strchr (file, ';')) == NULL)	590	if ((f = strchr (file, ';')) == NULL)
412	original_asim = get_asimage( asimman, file, 0xFFFFFFFF, 100 );	591	bgPixmap.original_asim = get_asimage( asimman, file, 0xFFFFFFFF, 100 );
413	else	592	else
414	{	593	{
415	f = strndup( file, f - file );	594	size_t len = f - file;
		595	f = (char *)malloc (len + 1);
		596	strncpy (f, file, len);
		597	f[len] = '\0';
416	original_asim = get_asimage( asimman, f, 0xFFFFFFFF, 100 );	598	bgPixmap.original_asim = get_asimage( asimman, f, 0xFFFFFFFF, 100 );
417	free( f );	599	free( f );
418	}	600	}
419	if (original_asim)	601	# endif
420	{
421	bgPixmap.pixmap = asimage2pixmap( display->asv, display->root, original_asim, NULL, True );
422	xpmAttr.width = original_asim->width ;
423	xpmAttr.height = original_asim->height ;
424	}
425	#else /* HAVE_AFTERIMAGE */
426	xpmAttr.closeness = 30000;
427	xpmAttr.colormap = cmap;
428	xpmAttr.visual = visual;
429	xpmAttr.depth = depth;
430	xpmAttr.valuemask = (XpmCloseness | XpmColormap | XpmVisual
431	| XpmDepth | XpmSize | XpmReturnPixels);
432
433	/* search environment variables here too */
434	f = (char *)rxvt_File_find (file, ".xpm", rs[Rs_path]);
435	if (f == NULL
436	|| XpmReadFileToPixmap (dpy, display->root, f,
437	&bgPixmap.pixmap, NULL,
438	&xpmAttr))
439	{
440	char *p;
441
442	/* semi-colon delimited */
443	if ((p = strchr (file, ';')) == NULL)
444	p = strchr (file, '\0');
445
446	rxvt_warn ("couldn't load XPM file \"%.*s\", ignoring.\n", (p - file), file);
447	}
448	free (f);
449	#endif /* HAVE_AFTERIMAGE */
450	}	602	}
451		603	resize_pixmap (); /* TODO: temporary fix - should be done by the caller! */
452	resize_pixmap ();
453	return bgPixmap.pixmap;
454	}	604	}
455		605
456	#endif /* XPM_BACKGROUND */	606	# endif /* XPM_BACKGROUND */
		607
		608	# ifdef ENABLE_TRANSPARENCY
		609	/* make_transparency_pixmap()
		610	* Builds a pixmap sized the same as terminal window, with depth same as the root window
		611	* that pixmap contains tiled portion of the root pixmap that is supposed to be covered by
		612	* our window.
		613	*/
		614	#if 0
		615	bool
		616	bgPixmap_t::make_transparency_pixmap()
		617	{
		618	if (target == NULL)
		619	return false;
		620
		621	int sx, sy;
		622	Window cr;
		623	XTranslateCoordinates (target->dpy, target->parent[0], target->display->root,
		624	0, 0, &sx, &sy, &cr);
		625
		626	/* check if we are outside of the visible part of the virtual screen : */
		627	if( sx + (int)szHint.width <= 0 || sy + (int)szHint.height <= 0
		628	|| sx >= wrootattr.width || sy >= wrootattr.height )
		629	return false ;
		630
		631	XWindowAttributes wattr, wrootattr;
		632
		633	XGetWindowAttributes (dpy, display->root, &wrootattr);
		634
		635	/*
		636	* Make the frame window set by the window manager have
		637	* the root background. Some window managers put multiple nested frame
		638	* windows for each client, so we have to take care about that.
		639	*/
		640	i = (xa[XA_XROOTPMAP_ID]
		641	&& XGetWindowProperty (dpy, display->root, xa[XA_XROOTPMAP_ID],
		642	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		643	&nitems, &bytes_after, &prop) == Success);
		644
		645	if (!i || prop == NULL)
		646	i = (xa[XA_ESETROOT_PMAP_ID]
		647	&& XGetWindowProperty (dpy, display->root, xa[XA_ESETROOT_PMAP_ID],
		648	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
		649	&nitems, &bytes_after, &prop) == Success);
		650
		651	if (!i || prop == NULL)
		652	rootpixmap = None;
		653
		654	}
		655	#endif /* 0 */
		656	# endif /* ENABLE_TRANSPARENCY */
		657
		658	void
		659	bgPixmap_t::apply_background()
		660	{
		661	if (target)
		662	{
		663	if (pixmap != None)
		664	{ /* set target's background to pixmap */
		665	# ifdef ENABLE_TRANSPARENCY
		666	if (flags & bgPmap_Transparent)
		667	{
		668	XSetWindowBackgroundPixmap (target->dpy, target->parent[0], pixmap);
		669	XSetWindowBackgroundPixmap (target->dpy, target->vt, ParentRelative);
		670	if (target->scrollBar.win)
		671	XSetWindowBackgroundPixmap (target->dpy, target->scrollBar.win, ParentRelative);
		672	}
		673	else
		674	# endif
		675	{
		676	/* force old pixmap dereference in case it was transparent before :*/
		677	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_bg]);
		678	XSetWindowBackgroundPixmap (target->dpy, target->vt, pixmap);
		679	/* do we also need to set scrollbar's background here ? */
		680	}
		681	}
		682	else
		683	{ /* set target background to a pixel */
		684	XSetWindowBackground (target->dpy, target->parent[0], target->pix_colors[Color_bg]);
		685	XSetWindowBackground (target->dpy, target->vt, target->pix_colors[Color_bg]);
		686	/* do we also need to set scrollbar's background here ? */
		687	}
		688	/* don't want Expose on the parent */
		689	XClearArea (target->dpy, target->parent[0], 0, 0, 0, 0, False);
		690	/* do want Expose on the vt */
		691	XClearArea (target->dpy, target->parent[0], 0, 0, 0, 0, True);
		692	}
		693	}
		694	#endif /* HAVE_BG_PIXMAP */
		695
		696
457		697
458	#ifdef ENABLE_TRANSPARENCY	698	#ifdef ENABLE_TRANSPARENCY
459	#if TINTING && !defined(HAVE_AFTERIMAGE)	699	#ifndef HAVE_AFTERIMAGE
460	/* taken from aterm-0.4.2 */	700	/* taken from aterm-0.4.2 */
461		701
462	typedef uint32_t RUINT32T;	702	typedef uint32_t RUINT32T;
463		703
		704	static void
464	void ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)	705	ShadeXImage(rxvt_term *term, XImage* srcImage, int shade, int rm, int gm, int bm)
465	{	706	{
466	int sh_r, sh_g, sh_b;	707	int sh_r, sh_g, sh_b;
467	RUINT32T mask_r, mask_g, mask_b;	708	RUINT32T mask_r, mask_g, mask_b;
468	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;	709	RUINT32T *lookup, *lookup_r, *lookup_g, *lookup_b;
469	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;	710	unsigned int lower_lim_r, lower_lim_g, lower_lim_b;
…		…
700	}	941	}
701		942
702	void	943	void
703	rxvt_term::check_our_parents_cb (time_watcher &w)	944	rxvt_term::check_our_parents_cb (time_watcher &w)
704	{	945	{
705	int i, pchanged, aformat, have_pixmap, rootdepth;	946	int i, aformat, rootdepth;
706	unsigned long nitems, bytes_after;	947	unsigned long nitems, bytes_after;
707	Atom atype;	948	Atom atype;
708	unsigned char *prop = NULL;	949	unsigned char *prop = NULL;
709	Window root, oldp, *list;	950	Window root, oldp, *list;
710	Pixmap rootpixmap = None;	951	Pixmap rootpixmap = None;
711	XWindowAttributes wattr, wrootattr;	952	XWindowAttributes wattr, wrootattr;
712	int sx, sy;	953	int sx, sy;
713	Window cr;	954	Window cr;
714		955	unsigned int rootpixmap_w = 0, rootpixmap_h = 0;
715	pchanged = 0;
716		956
717	if (!option (Opt_transparent))	957	if (!option (Opt_transparent))
718	return /*pchanged*/; /* Don't try any more */	958	return; /* Don't try any more */
		959
		960	#if 0
		961	struct timeval stv;
		962	gettimeofday (&stv,NULL);
		963	#define PRINT_BACKGROUND_OP_TIME do{ struct timeval tv;gettimeofday (&tv,NULL); tv.tv_sec-= stv.tv_sec;\
		964	fprintf (stderr,"%d: elapsed %ld usec\n",__LINE__,\
		965	tv.tv_sec*1000000+tv.tv_usec-stv.tv_usec );}while(0)
		966	#else
		967	#define PRINT_BACKGROUND_OP_TIME do{}while(0)
		968	#endif
		969
719		970
720	XGetWindowAttributes (dpy, display->root, &wrootattr);	971	XGetWindowAttributes (dpy, display->root, &wrootattr);
721	rootdepth = wrootattr.depth;	972	rootdepth = wrootattr.depth;
722		973
723	XGetWindowAttributes (dpy, parent[0], &wattr);	974	XGetWindowAttributes (dpy, parent[0], &wattr);
724		975
725	if (rootdepth != wattr.depth)	976	if (rootdepth != wattr.depth)
726	{	977	{
727	if (am_transparent)	978	if (am_transparent)
728	{	979	{
729	pchanged = 1;
730	XSetWindowBackground (dpy, vt, pix_colors_focused[Color_bg]);	980	XSetWindowBackground (dpy, vt, pix_colors_focused[Color_bg]);
731	am_transparent = am_pixmap_trans = 0;	981	am_transparent = am_pixmap_trans = 0;
732	}	982	}
733		983
734	return /*pchanged*/; /* Don't try any more */	984	return; /* Don't try any more */
735	}	985	}
736		986
737	/* Get all X ops out of the queue so that our information is up-to-date. */	987	/* Get all X ops out of the queue so that our information is up-to-date. */
738	XSync (dpy, False);	988	XSync (dpy, False);
739		989
740	XTranslateCoordinates (dpy, parent[0], display->root,	990	XTranslateCoordinates (dpy, parent[0], display->root,
741	0, 0, &sx, &sy, &cr);	991	0, 0, &sx, &sy, &cr);
742
743	/* check if we are outside of the visible part of the virtual screen : */	992	/* check if we are outside of the visible part of the virtual screen : */
744	if( sx + (int)szHint.width <= 0 || sy + (int)szHint.height <= 0	993	if( sx + (int)szHint.width <= 0 || sy + (int)szHint.height <= 0
745	|| sx >= wrootattr.width || sy >= wrootattr.height )	994	|| sx >= wrootattr.width || sy >= wrootattr.height )
746	return /* 0 */ ;	995	return /* 0 */ ;
747	/*	996	/*
748	* Make the frame window set by the window manager have	997	* Make the frame window set by the window manager have
749	* the root background. Some window managers put multiple nested frame	998	* the root background. Some window managers put multiple nested frame
750	* windows for each client, so we have to take care about that.	999	* windows for each client, so we have to take care about that.
…		…
758	i = (xa[XA_ESETROOT_PMAP_ID]	1007	i = (xa[XA_ESETROOT_PMAP_ID]
759	&& XGetWindowProperty (dpy, display->root, xa[XA_ESETROOT_PMAP_ID],	1008	&& XGetWindowProperty (dpy, display->root, xa[XA_ESETROOT_PMAP_ID],
760	0L, 1L, False, XA_PIXMAP, &atype, &aformat,	1009	0L, 1L, False, XA_PIXMAP, &atype, &aformat,
761	&nitems, &bytes_after, &prop) == Success);	1010	&nitems, &bytes_after, &prop) == Success);
762		1011
763	if (!i || prop == NULL	1012	if (!i || prop == NULL)
764	#if TINTING	1013	rootpixmap = None;
765	|| (!ISSET_PIXCOLOR (Color_tint) && rs[Rs_shade] == NULL
766	#ifdef HAVE_AFTERIMAGE
767	&& original_asim == NULL && rs[Rs_blurradius] == NULL
768	#endif
769	)
770	#endif
771	)
772	have_pixmap = 0;
773	else	1014	else
774	{	1015	{
775	have_pixmap = 1;	1016	int junk;
		1017	unsigned int ujunk;
		1018	/* root pixmap may be bad - allow a error */
		1019	allowedxerror = -1;
776	rootpixmap = *(Pixmap *)prop;	1020	if ((rootpixmap = *(Pixmap *)prop) != None)
		1021	if (!XGetGeometry (dpy, rootpixmap, &root, &junk, &junk, &rootpixmap_w, &rootpixmap_h, &ujunk, &ujunk))
		1022	rootpixmap = None;
		1023	allowedxerror = 0;
		1024	}
		1025
		1026	if (prop != NULL)
777	XFree (prop);	1027	XFree (prop);
		1028
		1029	if (rootpixmap != None)
778	}	1030	{
779
780	if (have_pixmap)
781	{
782	Bool success = False ;	1031	Bool success = False;
783	GC gc = NULL;	1032	GC gc = NULL;
784	XGCValues gcvalue;	1033	XGCValues gcvalue;
		1034	int shade = 100;
		1035	rgba c (rgba::MAX_CC,rgba::MAX_CC,rgba::MAX_CC);
		1036	Bool whole_tint = False, no_tint = True;
		1037
		1038	while (sx < 0) sx += (int)wrootattr.width;
		1039	while (sy < 0) sy += (int)wrootattr.height;
		1040
		1041	if (rs[Rs_shade])
		1042	shade = atoi (rs[Rs_shade]);
		1043	if (ISSET_PIXCOLOR (Color_tint))
		1044	pix_colors_focused [Color_tint].get (c);
		1045	#define IS_COMPONENT_WHOLESOME(c) ((c) <=0x000700 || (c)>=0x00f700)
		1046	if (shade >= 100)
		1047	whole_tint = (IS_COMPONENT_WHOLESOME(c.r)
		1048	&& IS_COMPONENT_WHOLESOME(c.g)
		1049	&& IS_COMPONENT_WHOLESOME(c.b));
		1050	no_tint = (c.r >= 0x00f700 && c.g >= 0x00f700 && c.b >= 0x00f700);
		1051	#undef IS_COMPONENT_WHOLESOME
		1052	/* theer are no performance advantages to reusing same pixmap */
		1053	if (bgPixmap.pixmap != None)
		1054	XFreePixmap (dpy, bgPixmap.pixmap);
		1055	bgPixmap.pixmap = XCreatePixmap (dpy, vt, szHint.width, szHint.height, rootdepth);
		1056	bgPixmap.pmap_width = szHint.width;
		1057	bgPixmap.pmap_height = szHint.height;
		1058	bgPixmap.pmap_depth = rootdepth;
		1059
		1060	#if 0 /* TODO : identify cases where this will be detrimental to performance : */
		1061	/* we want to tile root pixmap into our own pixmap in this cases :
		1062	* 1) rootpixmap does not cover our window entirely
		1063	* 2) whole_tint - we can use server-side tinting or tinting disabled
		1064	*/
		1065	if ( whole_tint || no_tint || pmap_w < sx + szHint.width || pmap_h < sy + szHint.height)
		1066	{
		1067	}
		1068	#endif
		1069	gcvalue.tile = rootpixmap;
		1070	gcvalue.fill_style = FillTiled;
		1071	gcvalue.ts_x_origin = -sx;
		1072	gcvalue.ts_y_origin = -sy;
		1073	gc = XCreateGC (dpy, rootpixmap, GCFillStyle | GCTile | GCTileStipXOrigin | GCTileStipYOrigin, &gcvalue);
		1074	XFillRectangle (dpy, bgPixmap.pixmap, gc, 0, 0, szHint.width, szHint.height);
		1075
		1076	if (whole_tint && !no_tint)
		1077	{
		1078	/* In this case we can tint image server-side getting significant
		1079	* performance improvements, as we eliminate XImage transfer
		1080	*/
		1081	gcvalue.foreground = Pixel (pix_colors_focused [Color_tint]);
		1082	gcvalue.function = GXand;
		1083	gcvalue.fill_style = FillSolid;
		1084	XChangeGC (dpy, gc, GCFillStyle | GCForeground | GCFunction, &gcvalue);
		1085	XFillRectangle (dpy, bgPixmap.pixmap, gc, 0, 0, szHint.width, szHint.height);
		1086	}
		1087	success = True;
785	#ifdef HAVE_AFTERIMAGE	1088	#ifdef HAVE_AFTERIMAGE
		1089	if (rs[Rs_blurradius] || bgPixmap.original_asim != NULL || (!whole_tint && (!no_tint || shade !=100)))
786	{	1090	{
787	Pixmap tmp_pmap = None ;	1091	ARGB32 tint = TINT_LEAVE_SAME;
788	ShadingInfo shade;	1092	ASImage *back_im = NULL;
789	ARGB32 tint ;
790	unsigned int pmap_w = 0, pmap_h = 0;
791		1093
792	if (get_drawable_size( rootpixmap, &pmap_w, &pmap_h ))	1094	back_im = pixmap2ximage (asv, bgPixmap.pixmap, 0, 0, szHint.width, szHint.height, AllPlanes, 100);
793	{	1095	if (back_im != NULL)
794	int root_x = 0, root_y = 0;
795
796	shade.shading = rs[Rs_shade] ? atoi (rs[Rs_shade]) : 100;
797	if (ISSET_PIXCOLOR (Color_tint))
798	{	1096	{
799	rgba c;	1097	if (!whole_tint && (!no_tint || shade !=100))
800	pix_colors_focused [Color_tint].get (c);
801	shade.tintColor.red = c.r;
802	shade.tintColor.green = c.g;
803	shade.tintColor.blue = c.b;
804	}
805	else
806	shade.tintColor.red = shade.tintColor.green = shade.tintColor.blue = 0xFFFF;
807	tint = shading2tint32( &shade );
808	gc = XCreateGC (dpy, vt, 0UL, &gcvalue);
809	if (GetWinPosition (parent[0], &root_x, &root_y) )
810	{
811	ASImageLayer *layers = create_image_layers( 2 );
812	ASImage *merged_im = NULL;
813	int back_x, back_y, back_w, back_h;
814	/* merge_layers does good job at tiling background appropriately,
815	so all we need is to cut out smallest possible piece : */
816	#define MAKE_ROOTPMAP_GEOM(xy,wh,widthheight) \
817	do{ while( root_##xy < 0 ) root_##xy += (int)wrootattr.widthheight; \
818	back_##xy = root_##xy % pmap_##wh; /* that gives us left side of the closest tile : */ \
819	if( pmap_##wh >= back_##xy + szHint.widthheight ) \
820	back_##wh = szHint.widthheight;/* background is large - limit it by our size */ \
821	else \
822	{ /* small background - need the whole of it for successfull tiling :*/ \
823	back_##xy = 0; \
824	back_##wh = pmap_##wh; \
825	}}while(0)
826
827	MAKE_ROOTPMAP_GEOM(x,w,width);
828	MAKE_ROOTPMAP_GEOM(y,h,height);
829
830	layers[0].im = pixmap2asimage (display->asv, rootpixmap, back_x, back_y, back_w, back_h, AllPlanes, ASA_ASImage, 100);
831	layers[0].clip_x = (back_w == pmap_w)?root_x:0;
832	layers[0].clip_y = (back_h == pmap_h)?root_y:0;
833	layers[0].clip_width = szHint.width;
834	layers[0].clip_height = szHint.height;
835	layers[0].tint = tint;
836	if (rs[Rs_blurradius] && layers[0].im)
837	{	1098	{
838	double r = atof(rs[Rs_blurradius]);	1099	ShadingInfo as_shade;
839	ASImage* tmp = blur_asimage_gauss(display->asv, layers[0].im, r, r, 0xFFFFFFFF, ASA_ASImage, 100, ASIMAGE_QUALITY_DEFAULT );	1100	as_shade.shading = shade;
		1101	as_shade.tintColor.red = c.r;
		1102	as_shade.tintColor.green = c.g;
		1103	as_shade.tintColor.blue = c.b;
		1104	tint = shading2tint32 (&as_shade);
		1105	}
		1106
		1107	if (rs[Rs_blurradius] && back_im)
		1108	{
		1109	ASImage* tmp;
		1110	int junk;
		1111	unsigned int hr = 1, vr = 1;
		1112	int flags = XParseGeometry (rs[Rs_blurradius], &junk, &junk, &hr, &vr);
		1113	if (!(flags&WidthValue))
		1114	hr = 1;
		1115	if (!(flags&HeightValue))
		1116	vr = hr;
		1117	tmp = blur_asimage_gauss (asv, back_im, hr, vr, 0xFFFFFFFF,
		1118	(bgPixmap.original_asim == NULL || tint == TINT_LEAVE_SAME)?ASA_XImage:ASA_ASImage,
		1119	100, ASIMAGE_QUALITY_DEFAULT);
840	if( tmp )	1120	if (tmp)
841	{	1121	{
842	destroy_asimage( &layers[0].im );	1122	destroy_asimage (&back_im);
843	layers[0].im = tmp;	1123	back_im = tmp;
844	}	1124	}
845	}	1125	}
846	if (original_asim != NULL)	1126	/* TODO: temporary fix - redo the logic, so that same function can do both
847	{	1127	transparency and non-transparency */
848	int fore_w, fore_h;	1128	bgPixmap.render_asim (back_im, tint);
849	layers[1].im = original_asim;
850	if( bgPixmap.auto_resize )
851	{
852	fore_w = szHint.width;
853	fore_h = szHint.height;
854	}
855	else
856	{
857	fore_w = bgPixmap.w;
858	fore_h = bgPixmap.h;
859	}
860	if (fore_w != original_asim->width
861	|| fore_h != original_asim->height)
862	{
863	layers[1].im = scale_asimage( display->asv,
864	original_asim,
865	fore_w, fore_h,
866	ASA_ASImage, 100,
867	ASIMAGE_QUALITY_DEFAULT );
868	}
869
870	layers[1].clip_width = szHint.width;
871	layers[1].clip_height = szHint.height;
872
873	if (rs[Rs_blendtype])
874	{
875	layers[1].merge_scanlines = blend_scanlines_name2func(rs[Rs_blendtype]);
876	if( layers[1].merge_scanlines == NULL )
877	layers[1].merge_scanlines = alphablend_scanlines;
878	}
879	}
880	merged_im = merge_layers( display->asv, layers, layers[1].im?2:1,
881	szHint.width, szHint.height,
882	ASA_XImage, 0, ASIMAGE_QUALITY_DEFAULT );
883	if (layers[1].im != original_asim)
884	destroy_asimage( &(layers[1].im) );
885	destroy_asimage( &(layers[0].im) );
886	if (merged_im != NULL)
887	{
888	tmp_pmap = asimage2pixmap( display->asv, DefaultRootWindow(dpy), merged_im, gc, True );
889	destroy_asimage( &merged_im );	1129	destroy_asimage (&back_im);
890	}	1130
891	free( layers );	1131	} /* back_im != NULL */
892	}	1132	else
		1133	success = False;
893	}	1134	}
894	if (tmp_pmap != None)
895	{
896	success = True;
897	if (pixmap != None)
898	XFreePixmap (dpy, pixmap);
899	pixmap = tmp_pmap;
900	}
901	}
902	#else /* HAVE_AFTERIMAGE */	1135	#else /* HAVE_AFTERIMAGE */
903	{	1136	if (!whole_tint && (!no_tint || shade !=100))
904	/*
905	* Copy display->root pixmap transparency
906	*/
907	int nx, ny;
908	unsigned int nw, nh;
909	XImage *image;
910
911	nw = (unsigned int)szHint.width;
912	nh = (unsigned int)szHint.height;
913	nx = ny = 0;
914
915	if (sx < 0)
916	{	1137	{
917	nw += sx;	1138	XImage *image = XGetImage (dpy, bgPixmap.pixmap, 0, 0, szHint.width, szHint.height, AllPlanes, ZPixmap);
918	nx = -sx;	1139	success = False;
919	sx = 0;
920	}
921
922	if (sy < 0)
923	{
924	nh += sy;
925	ny = -sy;
926	sy = 0;
927	}
928
929	min_it (nw, (unsigned int) (wrootattr.width - sx));
930	min_it (nh, (unsigned int) (wrootattr.height - sy));
931
932	XSync (dpy, False);
933	allowedxerror = -1;
934	image = XGetImage (dpy, rootpixmap, sx, sy, nw, nh, AllPlanes, ZPixmap);
935
936	/* XXX: handle BadMatch - usually because we're outside the pixmap */
937	/* XXX: may need a delay here? */
938	allowedxerror = 0;
939	if (image != NULL)	1140	if (image != NULL)
940	{
941	if (pixmap != None)
942	XFreePixmap (dpy, pixmap);
943
944	#if TINTING
945	if (ISSET_PIXCOLOR (Color_tint))
946	{	1141	{
947	int shade = rs[Rs_shade] ? atoi (rs[Rs_shade]) : 100;	1142	PRINT_BACKGROUND_OP_TIME;
948		1143	if (gc == NULL)
949	rgba c;	1144	gc = XCreateGC (dpy, vt, 0UL, &gcvalue);
950	pix_colors_focused [Color_tint].get (c);	1145	if (ISSET_PIXCOLOR (Color_tint) || shade != 100)
951	ShadeXImage (this, image, shade, c.r, c.g, c.b);	1146	ShadeXImage (this, image, shade, c.r, c.g, c.b);
		1147	XPutImage (dpy, bgPixmap.pixmap, gc, image, 0, 0, 0, 0, image->width, image->height);
		1148	XDestroyImage (image);
		1149	success = True;
952	}	1150	}
		1151	}
		1152	#endif /* HAVE_AFTERIMAGE */
		1153	PRINT_BACKGROUND_OP_TIME;
		1154
		1155	if (gc != NULL)
		1156	XFreeGC (dpy, gc);
		1157
		1158	bgPixmap.apply_background();
		1159	if (!success)
		1160	am_pixmap_trans = 0;
		1161	else
		1162	{
		1163	am_transparent = am_pixmap_trans = 1;
		1164	}
		1165	} /* rootpixmap != None */
		1166
		1167	if (am_pixmap_trans)
		1168	{
		1169	if (scrollBar.win)
		1170	{
		1171	scrollBar.setIdle ();
		1172	scrollbar_show (0);
		1173	}
		1174
		1175	if (am_transparent)
		1176	{
		1177	want_refresh = want_full_refresh = 1;
		1178	if (am_pixmap_trans)
		1179	flush ();
		1180	}
		1181	}
		1182	}
953	#endif	1183	#endif
954
955	pixmap = XCreatePixmap (dpy, vt, szHint.width, szHint.height, image->depth);
956	gc = XCreateGC (dpy, vt, 0UL, &gcvalue);
957	XPutImage (dpy, pixmap, gc, image, 0, 0,
958	nx, ny, image->width, image->height);
959	XDestroyImage (image);
960	success = True ;
961	}
962	}
963	#endif /* HAVE_AFTERIMAGE */
964	if (gc != NULL)
965	XFreeGC (dpy, gc);
966
967	if (!success)
968	{
969	if (am_transparent && am_pixmap_trans)
970	{
971	pchanged = 1;
972	if (pixmap != None)
973	{
974	XFreePixmap (dpy, pixmap);
975	pixmap = None;
976	}
977	}
978
979	am_pixmap_trans = 0;
980	}
981	else
982	{
983	XSetWindowBackgroundPixmap (dpy, parent[0], pixmap);
984	XClearWindow (dpy, parent[0]);
985
986	if (!am_transparent || !am_pixmap_trans)
987	pchanged = 1;
988
989	am_transparent = am_pixmap_trans = 1;
990	}
991	}
992
993	if (am_pixmap_trans)
994	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
995	else
996	{
997	unsigned int n;
998	/*
999	* InheritPixmap transparency
1000	*/
1001	for (i = 1; i < (int) (sizeof (parent) / sizeof (Window)); i++)
1002	{
1003	oldp = parent[i];
1004	XQueryTree (dpy, parent[i - 1], &root, &parent[i], &list, &n);
1005	XFree (list);
1006
1007	if (parent[i] == display->root)
1008	{
1009	if (oldp != None)
1010	pchanged = 1;
1011
1012	break;
1013	}
1014
1015	if (oldp != parent[i])
1016	pchanged = 1;
1017	}
1018
1019	n = 0;
1020
1021	if (pchanged)
1022	for (; n < (unsigned int)i; n++)
1023	{
1024	XGetWindowAttributes (dpy, parent[n], &wattr);
1025
1026	if (wattr.depth != rootdepth || wattr.c_class == InputOnly)
1027	{
1028	n = (int) (sizeof (parent) / sizeof (Window)) + 1;
1029	break;
1030	}
1031	}
1032
1033	if (n > (sizeof (parent) / sizeof (parent[0])))
1034	{
1035	XSetWindowBackground (dpy, parent[0], pix_colors_focused[Color_border]);
1036	XSetWindowBackground (dpy, vt, pix_colors_focused[Color_bg]);
1037	am_transparent = 0;
1038	/* XXX: also turn off Opt_transparent? */
1039	}
1040	else
1041	{
1042	for (n = 0; n < (unsigned int)i; n++)
1043	{
1044	XSetWindowBackgroundPixmap (dpy, parent[n], ParentRelative);
1045	XClearWindow (dpy, parent[n]);
1046	}
1047
1048	XSetWindowBackgroundPixmap (dpy, vt, ParentRelative);
1049	am_transparent = 1;
1050	}
1051
1052	for (; i < (int) (sizeof (parent) / sizeof (Window)); i++)
1053	parent[i] = None;
1054	}
1055
1056	if (scrollBar.win)
1057	{
1058	XSetWindowBackgroundPixmap (dpy, scrollBar.win, ParentRelative);
1059	scrollBar.setIdle ();
1060	scrollbar_show (0);
1061	}
1062
1063	if (am_transparent)
1064	{
1065	want_refresh = want_full_refresh = 1;
1066	if (am_pixmap_trans)
1067	flush ();
1068	}
1069
1070	// return pchanged;
1071	}
1072	#endif

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