[ViewVC] Diff of: cvs/rxvt-unicode/src/rxvtimg.C

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.10 by sf-exg, Mon Jun 4 06:59:50 2012 UTC vs.
Revision 1.63 by root, Fri Jun 8 20:35:43 2012 UTC

…		…
2	#include "../config.h"	2	#include "../config.h"
3	#include "rxvt.h"	3	#include "rxvt.h"
4		4
5	#if HAVE_IMG	5	#if HAVE_IMG
6		6
7	#define float_to_component(d) ((d) * 65535.99)
8
9	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height)	7	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int x, int y, int width, int height, int repeat)
10	: s(screen), w(width), h(height), format(format), shared(false)
11	{
12	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13	}
14
15	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height, Pixmap pixmap)
16	: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false)	8	: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat),
		9	pm(0), ref(0)
17	{	10	{
18	}	11	}
19		12
20	rxvt_img *	13	rxvt_img::rxvt_img (const rxvt_img &img)
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	14	: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref)
22	{	15	{
23	GError *err;	16	++ref->cnt;
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	17	}
25		18
26	if (!pb)	19	rxvt_img *
		20	rxvt_img::new_from_root (rxvt_screen *s)
		21	{
		22	Display *dpy = s->display->dpy;
		23	unsigned int root_pm_w, root_pm_h;
		24	Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
		25	if (root_pixmap == None)
		26	root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
		27
		28	if (root_pixmap == None)
		29	return 0;
		30
		31	Window wdummy;
		32	int idummy;
		33	unsigned int udummy;
		34
		35	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
27	return 0;	36	return 0;
28		37
29	rxvt_img *img = new rxvt_img (	38	rxvt_img *img = new rxvt_img (
30	s,	39	s,
31	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),	40	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
32	gdk_pixbuf_get_width (pb),	41	0,
33	gdk_pixbuf_get_height (pb)	42	0,
		43	root_pm_w,
		44	root_pm_h
34	);	45	);
35		46
36	img->render (pb, 0, 0, img->w, img->h, 0, 0);	47	img->pm = root_pixmap;
		48	img->ref = new pixref (root_pm_w, root_pm_h);
		49	img->ref->ours = false;
37		50
		51	return img;
		52	}
		53
		54	rxvt_img *
		55	rxvt_img::new_from_pixbuf (rxvt_screen s, GdkPixbuf pb)
		56	{
		57	Display *dpy = s->display->dpy;
		58
		59	int width = gdk_pixbuf_get_width (pb);
		60	int height = gdk_pixbuf_get_height (pb);
		61
		62	if (width > 32767 \|\| height > 32767) // well, we could upload in chunks
		63	rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n");
		64
		65	// since we require rgb24/argb32 formats from xrender we assume
		66	// that both 24 and 32 bpp MUST be supported by any screen that supports xrender
		67	int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24;
		68
		69	int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		70
		71	XImage xi;
		72
		73	xi.width = width;
		74	xi.height = height;
		75	xi.xoffset = 0;
		76	xi.format = ZPixmap;
		77	xi.byte_order = ImageByteOrder (dpy);
		78	xi.bitmap_unit = 0; //XY only, unused
		79	xi.bitmap_bit_order = 0; //XY only, unused
		80	xi.bitmap_pad = BitmapPad (dpy);
		81	xi.depth = depth;
		82	xi.bytes_per_line = 0;
		83	xi.bits_per_pixel = 32; //Z only
		84	xi.red_mask = 0x00000000; //Z only, unused
		85	xi.green_mask = 0x00000000; //Z only, unused
		86	xi.blue_mask = 0x00000000; //Z only, unused
		87	xi.obdata = 0; // probably unused
		88
		89	bool byte_order_mismatch = byte_order != xi.byte_order;
		90
		91	if (!XInitImage (&xi))
		92	rxvt_fatal ("unable to initialise ximage, please report.\n");
		93
		94	if (height > INT_MAX / xi.bytes_per_line)
		95	rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
		96
		97	xi.data = (char )rxvt_malloc (height xi.bytes_per_line);
		98
		99	int rowstride = gdk_pixbuf_get_rowstride (pb);
		100
		101	assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
		102	unsigned char *row = gdk_pixbuf_get_pixels (pb);
		103	char *line = xi.data;
		104
		105	for (int y = 0; y < height; y++)
		106	{
		107	unsigned char *src = row;
		108	uint32_t dst = (uint32_t )line;
		109
		110	if (depth == 24)
		111	for (int x = 0; x < width; x++)
		112	{
		113	uint8_t r = *src++;
		114	uint8_t g = *src++;
		115	uint8_t b = *src++;
		116
		117	uint32_t v = (r << 16) \| (g << 8) \| b;
		118
		119	if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch)
		120	v = ecb_bswap32 (v);
		121
		122	*dst++ = v;
		123	}
		124	else
		125	for (int x = 0; x < width; x++)
		126	{
		127	uint32_t v = (uint32_t )src; src += 4;
		128
		129	if (ecb_big_endian ())
		130	v = ecb_bswap32 (v);
		131
		132	v = ecb_rotl32 (v, 8); // abgr to bgra
		133
		134	if (!byte_order_mismatch)
		135	v = ecb_bswap32 (v);
		136
		137	*dst++ = v;
		138	}
		139
		140	row += rowstride;
		141	line += xi.bytes_per_line;
		142	}
		143
		144	rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
		145	img->alloc ();
		146
		147	GC gc = XCreateGC (dpy, img->pm, 0, 0);
		148	XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
		149	XFreeGC (dpy, gc);
		150
		151	free (xi.data);
		152
		153	return img;
		154	}
		155
		156	rxvt_img *
		157	rxvt_img::new_from_file (rxvt_screen s, const char filename)
		158	{
		159	GError *err = 0;
		160	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
		161
		162	if (!pb)
		163	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
		164
		165	rxvt_img *img = new_from_pixbuf (s, pb);
		166
		167	g_object_unref (pb);
		168
		169	return img;
		170	}
		171
		172	void
		173	rxvt_img::destroy ()
		174	{
		175	if (--ref->cnt)
38	return img;	176	return;
		177
		178	if (pm && ref->ours)
		179	XFreePixmap (s->display->dpy, pm);
		180
		181	delete ref;
39	}	182	}
40		183
41	rxvt_img::~rxvt_img ()	184	rxvt_img::~rxvt_img ()
42	{	185	{
43	if (!shared)	186	destroy ();
		187	}
		188
		189	void
		190	rxvt_img::alloc ()
		191	{
		192	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		193	ref = new pixref (w, h);
		194	}
		195
		196	Picture
		197	rxvt_img::src_picture ()
		198	{
		199	Display *dpy = s->display->dpy;
		200
		201	XRenderPictureAttributes pa;
		202	pa.repeat = repeat;
		203	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		204
		205	return pic;
		206	}
		207
		208	void
		209	rxvt_img::unshare ()
		210	{
		211	if (ref->cnt == 1 && ref->ours)
		212	return;
		213
		214	//TODO: maybe should reify instead
		215	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		216	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		217	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
44	XFreePixmap (s->display->dpy, pm);	218	XFreeGC (s->display->dpy, gc);
		219
		220	destroy ();
		221
		222	pm = pm2;
		223	ref = new pixref (ref->w, ref->h);
45	}	224	}
46		225
47	void	226	void
48	rxvt_img::fill (const rxvt_color &c)	227	rxvt_img::fill (const rxvt_color &c)
49	{	228	{
…		…
73		252
74	for (int i = 0; i < width; i++)	253	for (int i = 0; i < width; i++)
75	params[i+2] = XDoubleToFixed (kernel[i] / sum);	254	params[i+2] = XDoubleToFixed (kernel[i] / sum);
76	}	255	}
77		256
78	void	257	rxvt_img *
79	rxvt_img::blur (int rh, int rv)	258	rxvt_img::blur (int rh, int rv)
80	{	259	{
81	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	260	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
82	return;	261	return clone ();
83		262
84	Display *dpy = s->display->dpy;	263	Display *dpy = s->display->dpy;
85	int size = max (rh, rv) * 2 + 1;	264	int size = max (rh, rv) * 2 + 1;
86	double kernel = (double )malloc (size * sizeof (double));	265	double kernel = (double )malloc (size * sizeof (double));
87	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	266	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		267	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		268	img->alloc ();
88		269
89	XRenderPictureAttributes pa;	270	XRenderPictureAttributes pa;
90
91	pa.repeat = RepeatPad;	271	pa.repeat = RepeatPad;
92	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);	272	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		273	Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0);
		274
93	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	275	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
94	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	276	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
95	XFreePixmap (dpy, tmp);	277	XFreePixmap (dpy, tmp_pm);
96		278
97	if (kernel && params)	279	if (kernel && params)
98	{	280	{
99	size = rh * 2 + 1;	281	size = rh * 2 + 1;
100	get_gaussian_kernel (rh, size, kernel, params);	282	get_gaussian_kernel (rh, size, kernel, params);
…		…
102	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	284	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
103	XRenderComposite (dpy,	285	XRenderComposite (dpy,
104	PictOpSrc,	286	PictOpSrc,
105	src,	287	src,
106	None,	288	None,
107	dst,	289	tmp,
108	0, 0,	290	0, 0,
109	0, 0,	291	0, 0,
110	0, 0,	292	0, 0,
111	w, h);	293	w, h);
112		294
113	::swap (src, dst);
114
115	size = rv * 2 + 1;	295	size = rv * 2 + 1;
116	get_gaussian_kernel (rv, size, kernel, params);	296	get_gaussian_kernel (rv, size, kernel, params);
117	::swap (params[0], params[1]);	297	::swap (params[0], params[1]);
118		298
119	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	299	XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
120	XRenderComposite (dpy,	300	XRenderComposite (dpy,
121	PictOpSrc,	301	PictOpSrc,
122	src,	302	tmp,
123	None,	303	None,
124	dst,	304	dst,
125	0, 0,	305	0, 0,
126	0, 0,	306	0, 0,
127	0, 0,	307	0, 0,
…		…
130		310
131	free (kernel);	311	free (kernel);
132	free (params);	312	free (params);
133	XRenderFreePicture (dpy, src);	313	XRenderFreePicture (dpy, src);
134	XRenderFreePicture (dpy, dst);	314	XRenderFreePicture (dpy, dst);
		315	XRenderFreePicture (dpy, tmp);
		316
		317	return img;
135	}	318	}
136		319
137	static Picture	320	static Picture
138	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	321	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
139	{	322	{
…		…
148		331
149	return mask;	332	return mask;
150	}	333	}
151		334
152	void	335	void
153	rxvt_img::brightness (double r, double g, double b, double a)	336	rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
154	{	337	{
155	Display *dpy = s->display->dpy;	338	Display *dpy = s->display->dpy;
156	Picture src = create_xrender_mask (dpy, pm, True);	339	Picture src = create_xrender_mask (dpy, pm, True);
157	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	340	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
158		341
159	XRenderColor mask_c;	342	XRenderColor mask_c;
160	mask_c.red = float_to_component (r);	343	mask_c.red = r;
161	mask_c.green = float_to_component (g);	344	mask_c.green = g;
162	mask_c.blue = float_to_component (b);	345	mask_c.blue = b;
163	mask_c.alpha = float_to_component (a);	346	mask_c.alpha = a;
164	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	347	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
165		348
166	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	349	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		350
		351	XRenderFreePicture (dpy, src);
		352	XRenderFreePicture (dpy, dst);
167	}	353	}
168		354
169	void	355	void
170	rxvt_img::contrast (double r, double g, double b, double a)	356	rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
171	{	357	{
172	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	358	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
173	return;	359	return;
174		360
175	Display *dpy = s->display->dpy;	361	Display *dpy = s->display->dpy;
176	Picture src = create_xrender_mask (dpy, pm, True);	362	Picture src = create_xrender_mask (dpy, pm, True);
177	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	363	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
178		364
179	XRenderColor mask_c;	365	XRenderColor mask_c;
180	mask_c.red = float_to_component (r);	366	mask_c.red = r;
181	mask_c.green = float_to_component (g);	367	mask_c.green = g;
182	mask_c.blue = float_to_component (b);	368	mask_c.blue = b;
183	mask_c.alpha = float_to_component (a);	369	mask_c.alpha = a;
184	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	370	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
185		371
186	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	372	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
187	}
188		373
189	void	374	XRenderFreePicture (dpy, src);
190	rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)	375	XRenderFreePicture (dpy, dst);
191	{
192	//TODO
193	}	376	}
194		377
195	rxvt_img *	378	rxvt_img *
196	rxvt_img::copy ()	379	rxvt_img::clone ()
197	{	380	{
198	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);	381	return new rxvt_img (*this);
199	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
200	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
201	XFreeGC (s->display->dpy, gc);
202	return new rxvt_img (s, format, w, h, pm2);
203	}	382	}
204		383
		384	static XRenderPictFormat *
		385	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		386	{
		387	if (format->direct.alphaMask)
		388	return format; // already has alpha
		389
		390	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		391	if (format->type == PictTypeDirect)
		392	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		393	if (f->direct.alphaMask
		394	&& f->type == PictTypeDirect
		395	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		396	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		397	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
		398	return f;
		399
		400	// should be a very good fallback
		401	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		402	}
		403
205	rxvt_img *	404	rxvt_img *
		405	rxvt_img::reify ()
		406	{
		407	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		408	return clone ();
		409
		410	Display *dpy = s->display->dpy;
		411
		412	// add an alpha channel if...
		413	bool alpha = !format->direct.alphaMask // pixmap has none yet
		414	&& (x \|\| y) // we need one because of non-zero offset
		415	&& repeat == RepeatNone; // and we have no good pixels to fill with
		416
		417	rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
		418	img->alloc ();
		419
		420	Picture src = src_picture ();
		421	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		422
		423	if (alpha)
		424	{
		425	XRenderColor rc = { 0, 0, 0, 0 };
		426	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
		427	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
		428	}
		429	else
		430	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
		431
		432	XRenderFreePicture (dpy, src);
		433	XRenderFreePicture (dpy, dst);
		434
		435	return img;
		436	}
		437
		438	rxvt_img *
		439	rxvt_img::sub_rect (int x, int y, int width, int height)
		440	{
		441	rxvt_img *img = clone ();
		442
		443	img->x += x;
		444	img->y += y;
		445
		446	if (w != width \|\| h != height)
		447	{
		448	img->w = width;
		449	img->h = height;
		450
		451	rxvt_img *img2 = img->reify ();
		452	delete img;
		453	img = img2;
		454	}
		455
		456	return img;
		457	}
		458
		459	rxvt_img *
206	rxvt_img::transform (int new_width, int new_height, double matrix[16])	460	rxvt_img::transform (int new_width, int new_height, double matrix[9])
207	{	461	{
208	//TODO	462	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		463	img->alloc ();
		464
		465	Display *dpy = s->display->dpy;
		466	Picture src = src_picture ();
		467	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		468
		469	XTransform xfrm;
		470
		471	for (int i = 0; i < 3; ++i)
		472	for (int j = 0; j < 3; ++j)
		473	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
		474
		475	#if 0
		476	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		477	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		478	#endif
		479
		480	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
		481	XRenderSetPictureTransform (dpy, src, &xfrm);
		482	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
		483
		484	XRenderFreePicture (dpy, src);
		485	XRenderFreePicture (dpy, dst);
		486
		487	return img;
209	}	488	}
210		489
211	rxvt_img *	490	rxvt_img *
212	rxvt_img::scale (int new_width, int new_height)	491	rxvt_img::scale (int new_width, int new_height)
213	{	492	{
214	// use transform	493	if (w == new_width && h == new_height)
215	//TODO	494	return clone ();
216	}
217		495
		496	double matrix[9] = {
		497	w / (double)new_width, 0, 0,
		498	0, h / (double)new_height, 0,
		499	0, 0, 1
		500	};
		501
		502	int old_repeat_mode = repeat;
		503	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		504
		505	rxvt_img *img = transform (new_width, new_height, matrix);
		506
		507	repeat = old_repeat_mode;
		508	img->repeat = repeat;
		509
		510	return img;
		511	}
		512
218	rxvt_img *	513	rxvt_img *
		514	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
		515	{
		516	double s = sin (phi);
		517	double c = cos (phi);
		518
		519	double matrix[9] = {
		520	c, -s, -c * x + s * y + x,
		521	s, c, -s * x - c * y + y,
		522	0, 0, 1
		523	};
		524
		525	return transform (new_width, new_height, matrix);
		526	}
		527
		528	rxvt_img *
219	rxvt_img::convert_to (XRenderPictFormat *new_format)	529	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
220	{	530	{
		531	if (new_format == format)
		532	return clone ();
		533
221	rxvt_img *img = new rxvt_img (s, new_format, w, h);	534	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		535	img->alloc ();
222		536
223	Display *dpy = s->display->dpy;	537	Display *dpy = s->display->dpy;
224	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	538	Picture src = src_picture ();
225	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	539	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		540	int op = PictOpSrc;
226		541
		542	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		543	{
		544	// does it have to be that complicated
		545	rgba c;
		546	bg.get (c);
		547
		548	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		549	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		550
		551	op = PictOpOver;
		552	}
		553
227	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	554	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
228		555
229	XRenderFreePicture (dpy, src);
230	XRenderFreePicture (dpy, dst);	556	XRenderFreePicture (dpy, src);
		557	XRenderFreePicture (dpy, dst);
231		558
		559	return img;
		560	}
		561
		562	rxvt_img *
		563	rxvt_img::blend (rxvt_img *img, double factor)
		564	{
		565	rxvt_img *img2 = clone ();
		566	Display *dpy = s->display->dpy;
		567	Picture src = img->src_picture ();
		568	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		569	Picture mask = create_xrender_mask (dpy, img->pm, False);
		570
		571	XRenderColor mask_c;
		572
		573	mask_c.alpha = float_to_component (factor);
		574	mask_c.red =
		575	mask_c.green =
		576	mask_c.blue = 0;
		577	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		578
		579	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		580
		581	XRenderFreePicture (dpy, src);
		582	XRenderFreePicture (dpy, dst);
		583	XRenderFreePicture (dpy, mask);
		584
232	return img;	585	return img2;
233	}	586	}
234		587
235	#endif	588	#endif
236		589

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.10 by sf-exg, Mon Jun 4 06:59:50 2012 UTC vs. Revision 1.63 by root, Fri Jun 8 20:35:43 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.10 by sf-exg, Mon Jun 4 06:59:50 2012 UTC vs.
Revision 1.63 by root, Fri Jun 8 20:35:43 2012 UTC