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

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.11 by root, Mon Jun 4 15:15:49 2012 UTC vs.
Revision 1.34 by root, Thu Jun 7 08:36:09 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)
10	: s(screen), w(width), h(height), format(format), shared(false)	8	: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal),
		9	pm(0), ref(0)
11	{	10	{
12	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13	}	11	}
14		12
		13	rxvt_img::rxvt_img (const rxvt_img &img)
		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)
		15	{
		16	++ref->cnt;
		17	}
		18
		19	#if 0
15	rxvt_img::rxvt_img (rxvt_screen screen, XRenderPictFormat format, int width, int height, Pixmap pixmap)	20	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)	21	: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap)
17	{	22	{
		23	}
		24	#endif
		25
		26	rxvt_img *
		27	rxvt_img::new_from_root (rxvt_screen *s)
		28	{
		29	Display *dpy = s->display->dpy;
		30	unsigned int root_pm_w, root_pm_h;
		31	Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
		32	if (root_pixmap == None)
		33	root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
		34
		35	if (root_pixmap == None)
		36	return 0;
		37
		38	Window wdummy;
		39	int idummy;
		40	unsigned int udummy;
		41
		42	if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
		43	return 0;
		44
		45	rxvt_img *img = new rxvt_img (
		46	s,
		47	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
		48	0,
		49	0,
		50	root_pm_w,
		51	root_pm_h
		52	);
		53
		54	img->pm = root_pixmap;
		55	img->ref = new pixref (root_pm_w, root_pm_h);
		56	img->ref->ours = false;
		57
		58	return img;
18	}	59	}
19		60
20	rxvt_img *	61	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	62	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	63	{
…		…
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	68	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		69
29	rxvt_img *img = new rxvt_img (	70	rxvt_img *img = new rxvt_img (
30	s,	71	s,
31	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),	72	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
		73	0,
		74	0,
32	gdk_pixbuf_get_width (pb),	75	gdk_pixbuf_get_width (pb),
33	gdk_pixbuf_get_height (pb)	76	gdk_pixbuf_get_height (pb)
34	);	77	);
35		78	img->alloc ();
36	img->render (pb, 0, 0, img->w, img->h, 0, 0);	79	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
37		80
		81	g_object_unref (pb);
		82
		83	return img;
		84	}
		85
		86	void
		87	rxvt_img::destroy ()
		88	{
		89	if (--ref->cnt)
38	return img;	90	return;
		91
		92	if (pm && ref->ours)
		93	XFreePixmap (s->display->dpy, pm);
		94
		95	delete ref;
39	}	96	}
40		97
41	rxvt_img::~rxvt_img ()	98	rxvt_img::~rxvt_img ()
42	{	99	{
43	if (!shared)	100	destroy ();
44	XFreePixmap (s->display->dpy, pm);	101	}
		102
		103	void
		104	rxvt_img::alloc ()
		105	{
		106	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		107	ref = new pixref (w, h);
		108	}
		109
		110	Picture
		111	rxvt_img::src_picture ()
		112	{
		113	Display *dpy = s->display->dpy;
		114
		115	XRenderPictureAttributes pa;
		116	pa.repeat = repeat;
		117	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		118
		119	XRectangle clip = { -x, -y, min (w, ref->w), min (h, ref->h) };
		120	XRenderSetPictureClipRectangles (dpy, pic, 0, 0, &clip, 1);
		121
		122	return pic;
45	}	123	}
46		124
47	void	125	void
48	rxvt_img::unshare ()	126	rxvt_img::unshare ()
49	{	127	{
50	if (!shared)	128	if (ref->cnt == 1 && ref->ours)
51	return;	129	return;
52		130
53	rxvt_img *img = clone ();	131	//TODO: maybe should reify instead
		132	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		133	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		134	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		135	XFreeGC (s->display->dpy, gc);
54		136
55	::swap (pm , img->pm);	137	destroy ();
56	::swap (shared, img->shared);
57		138
58	delete img;	139	pm = pm2;
		140	ref = new pixref (ref->w, ref->h);
59	}	141	}
60		142
61	void	143	void
62	rxvt_img::fill (const rxvt_color &c)	144	rxvt_img::fill (const rxvt_color &c)
63	{	145	{
…		…
87		169
88	for (int i = 0; i < width; i++)	170	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	171	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	172	}
91		173
92	void	174	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	175	rxvt_img::blur (int rh, int rv)
94	{	176	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	177	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	178	return clone ();
97		179
98	Display *dpy = s->display->dpy;	180	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	181	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	182	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	183	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		184	rxvt_img *img = new rxvt_img (s, format, x, y, w, h);
		185	img->alloc ();
		186
		187	Picture src = src_picture ();
102		188
103	XRenderPictureAttributes pa;	189	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	190	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);	191	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		192
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	193	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	194	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	195	XFreePixmap (dpy, tmp_pm);
110		196
111	if (kernel && params)	197	if (kernel && params)
112	{	198	{
113	size = rh * 2 + 1;	199	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	200	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	202	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	203	XRenderComposite (dpy,
118	PictOpSrc,	204	PictOpSrc,
119	src,	205	src,
120	None,	206	None,
121	dst,	207	tmp,
122	0, 0,	208	0, 0,
123	0, 0,	209	0, 0,
124	0, 0,	210	0, 0,
125	w, h);	211	w, h);
126		212
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	213	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	214	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	215	::swap (params[0], params[1]);
132		216
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	217	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	218	XRenderComposite (dpy,
135	PictOpSrc,	219	PictOpSrc,
136	src,	220	tmp,
137	None,	221	None,
138	dst,	222	dst,
139	0, 0,	223	0, 0,
140	0, 0,	224	0, 0,
141	0, 0,	225	0, 0,
…		…
144		228
145	free (kernel);	229	free (kernel);
146	free (params);	230	free (params);
147	XRenderFreePicture (dpy, src);	231	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	232	XRenderFreePicture (dpy, dst);
		233	XRenderFreePicture (dpy, tmp);
		234
		235	return img;
149	}	236	}
150		237
151	static Picture	238	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	239	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	240	{
…		…
162		249
163	return mask;	250	return mask;
164	}	251	}
165		252
166	void	253	void
167	rxvt_img::brightness (double r, double g, double b, double a)	254	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	255	{
169	Display *dpy = s->display->dpy;	256	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	257	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	258	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		259
173	XRenderColor mask_c;	260	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	261	mask_c.red = r;
175	mask_c.green = float_to_component (g);	262	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	263	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	264	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	265	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		266
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	267	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		268
		269	XRenderFreePicture (dpy, src);
		270	XRenderFreePicture (dpy, dst);
181	}	271	}
182		272
183	void	273	void
184	rxvt_img::contrast (double r, double g, double b, double a)	274	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	275	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	276	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	277	return;
188		278
189	Display *dpy = s->display->dpy;	279	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	280	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	281	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		282
193	XRenderColor mask_c;	283	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	284	mask_c.red = r;
195	mask_c.green = float_to_component (g);	285	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	286	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	287	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	288	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		289
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	290	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		291
203	void	292	XRenderFreePicture (dpy, src);
		293	XRenderFreePicture (dpy, dst);
		294	}
		295
		296	bool
204	rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)	297	rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205	{	298	{
206	//TODO	299	Display *dpy = s->display->dpy;
		300
		301	if (s->visual->c_class != TrueColor)
		302	return false;
		303
		304	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
		305
		306	red_mask = (uint32_t)format->direct.redMask << format->direct.red;
		307	green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
		308	blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
		309	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
		310
		311	int width_r = ecb_popcount32 (red_mask);
		312	int width_g = ecb_popcount32 (green_mask);
		313	int width_b = ecb_popcount32 (blue_mask);
		314	int width_a = ecb_popcount32 (alpha_mask);
		315
		316	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
		317	return false;
		318
		319	int sh_r = ecb_ctz32 (red_mask);
		320	int sh_g = ecb_ctz32 (green_mask);
		321	int sh_b = ecb_ctz32 (blue_mask);
		322	int sh_a = ecb_ctz32 (alpha_mask);
		323
		324	if (width > 32767 \|\| height > 32767)
		325	return false;
		326
		327	XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
		328	width, height, 32, 0);
		329	if (!ximage)
		330	return false;
		331
		332	if (height > INT_MAX / ximage->bytes_per_line
		333	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
		334	{
		335	XDestroyImage (ximage);
		336	return false;
		337	}
		338
		339	GC gc = XCreateGC (dpy, pm, 0, 0);
		340
		341	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		342
		343	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
		344	int channels = gdk_pixbuf_get_n_channels (pixbuf);
		345	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;
		346	char *line = ximage->data;
		347
		348	for (int y = 0; y < height; y++)
		349	{
		350	for (int x = 0; x < width; x++)
		351	{
		352	unsigned char pixel = row + x channels;
		353	uint32_t value;
		354	unsigned char r, g, b, a;
		355
		356	if (channels == 4)
		357	{
		358	a = pixel[3];
		359	r = pixel[0] * a / 0xff;
		360	g = pixel[1] * a / 0xff;
		361	b = pixel[2] * a / 0xff;
		362	}
		363	else
		364	{
		365	a = 0xff;
		366	r = pixel[0];
		367	g = pixel[1];
		368	b = pixel[2];
		369	}
		370
		371	value = ((r >> (8 - width_r)) << sh_r)
		372	\| ((g >> (8 - width_g)) << sh_g)
		373	\| ((b >> (8 - width_b)) << sh_b)
		374	\| ((a >> (8 - width_a)) << sh_a);
		375
		376	if (ximage->bits_per_pixel == 32)
		377	((uint32_t *)line)[x] = value;
		378	else
		379	XPutPixel (ximage, x, y, value);
		380	}
		381
		382	row += rowstride;
		383	line += ximage->bytes_per_line;
		384	}
		385
		386	XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
		387	XDestroyImage (ximage);
		388	XFreeGC (dpy, gc);
		389
		390	return true;
207	}	391	}
208		392
209	rxvt_img *	393	rxvt_img *
210	rxvt_img::clone ()	394	rxvt_img::clone ()
211	{	395	{
212	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);	396	return new rxvt_img (*this);
213	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
214	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
215	XFreeGC (s->display->dpy, gc);
216	return new rxvt_img (s, format, w, h, pm2);
217	}	397	}
218		398
219	rxvt_img *	399	rxvt_img *
		400	rxvt_img::reify ()
		401	{
		402	rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h);
		403	img->alloc ();
		404
		405	// todo, if x==0 and y==0 and w==real width we could clone
		406	// but that involves an rtt to find pixmap width.
		407
		408	Display *dpy = s->display->dpy;
		409
		410	Picture src = src_picture ();
		411	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		412
		413	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
		414
		415	XRenderFreePicture (dpy, src);
		416	XRenderFreePicture (dpy, dst);
		417
		418	return img;
		419	}
		420
		421	rxvt_img *
		422	rxvt_img::sub_rect (int x, int y, int width, int height)
		423	{
		424	rxvt_img *img = clone ();
		425
		426	//TODO: width > w, must reify
		427
		428	img->x += x;
		429	img->y += y;
		430	img->w = width;
		431	img->h = height;
		432
		433	return img;
		434	}
		435
		436	rxvt_img *
220	rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9])	437	rxvt_img::transform (int new_width, int new_height, double matrix[9])
221	{	438	{
222	//TODO	439	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height);
		440	img->alloc ();
		441
		442	Display *dpy = s->display->dpy;
		443	Picture src = src_picture ();
		444	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		445
		446	XTransform xfrm;
		447
		448	for (int i = 0; i < 3; ++i)
		449	for (int j = 0; j < 3; ++j)
		450	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
		451
		452	xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO
		453	xfrm.matrix [0][3] += XDoubleToFixed (y);
		454
		455	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
		456	XRenderSetPictureTransform (dpy, src, &xfrm);
		457	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
		458
		459	XRenderFreePicture (dpy, src);
		460	XRenderFreePicture (dpy, dst);
		461
		462	return img;
223	}	463	}
224		464
225	rxvt_img *	465	rxvt_img *
226	rxvt_img::scale (int new_width, int new_height)	466	rxvt_img::scale (int new_width, int new_height)
227	{	467	{
228	double matrix[9] = {	468	double matrix[9] = {
229	new_width / (double)w, 0, 0,	469	w / (double)new_width, 0, 0,
230	0, new_height / (double)h, 0,	470	0, h / (double)new_height, 0,
231	0, 0, 1	471	0, 0, 1
232	};	472	};
233		473
234	return transform (new_width, new_height, RepeatNormal, matrix);	474	return transform (new_width, new_height, matrix);
235	}	475	}
236		476
237	rxvt_img *	477	rxvt_img *
		478	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
		479	{
		480	double s = sin (phi);
		481	double c = cos (phi);
		482
		483	double matrix[9] = {
		484	c, -s, -c * x + s * y + x,
		485	s, c, -s * x - c * y + y,
		486	0, 0, 1
		487	};
		488
		489	return transform (new_width, new_height, matrix);
		490	}
		491
		492	rxvt_img *
238	rxvt_img::convert_to (XRenderPictFormat *new_format)	493	rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
239	{	494	{
		495	if (new_format == format)
		496	return clone ();
		497
240	rxvt_img *img = new rxvt_img (s, new_format, w, h);	498	rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h);
		499	img->alloc ();
241		500
242	Display *dpy = s->display->dpy;	501	Display *dpy = s->display->dpy;
243	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	502	Picture src = src_picture ();
244	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	503	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		504	int op = PictOpSrc;
245		505
		506	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		507	{
		508	// does it have to be that complicated
		509	rgba c;
		510	bg.get (c);
		511
		512	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		513	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		514
		515	op = PictOpOver;
		516	}
		517
246	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	518	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
247		519
248	XRenderFreePicture (dpy, src);
249	XRenderFreePicture (dpy, dst);	520	XRenderFreePicture (dpy, src);
		521	XRenderFreePicture (dpy, dst);
250		522
		523	return img;
		524	}
		525
		526	rxvt_img *
		527	rxvt_img::blend (rxvt_img *img, double factor)
		528	{
		529	rxvt_img *img2 = clone ();
		530	Display *dpy = s->display->dpy;
		531	Picture src = src_picture ();
		532	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		533	Picture mask = create_xrender_mask (dpy, img->pm, False);
		534
		535	XRenderColor mask_c;
		536
		537	mask_c.alpha = float_to_component (factor);
		538	mask_c.red =
		539	mask_c.green =
		540	mask_c.blue = 0;
		541	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		542
		543	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		544
		545	XRenderFreePicture (dpy, src);
		546	XRenderFreePicture (dpy, dst);
		547	XRenderFreePicture (dpy, mask);
		548
251	return img;	549	return img2;
252	}	550	}
253		551
254	#endif	552	#endif
255		553

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.11 by root, Mon Jun 4 15:15:49 2012 UTC vs. Revision 1.34 by root, Thu Jun 7 08:36:09 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.11 by root, Mon Jun 4 15:15:49 2012 UTC vs.
Revision 1.34 by root, Thu Jun 7 08:36:09 2012 UTC