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

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs.
Revision 1.64 by root, Fri Jun 8 21:33:32 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	{
		11	}
		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	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))
		36	return 0;
		37
		38	rxvt_img *img = new rxvt_img (
		39	s,
		40	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
		41	0,
		42	0,
		43	root_pm_w,
		44	root_pm_h
		45	);
		46
		47	img->pm = root_pixmap;
		48	img->ref = new pixref (root_pm_w, root_pm_h);
		49	img->ref->ours = false;
		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;
18	}	154	}
19		155
20	rxvt_img *	156	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	157	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	158	{
…		…
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	160	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
25		161
26	if (!pb)	162	if (!pb)
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	163	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		164
29	rxvt_img *img = new rxvt_img (	165	rxvt_img *img = new_from_pixbuf (s, pb);
30	s,
31	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
32	gdk_pixbuf_get_width (pb),
33	gdk_pixbuf_get_height (pb)
34	);
35		166
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	167	g_object_unref (pb);
37		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 ();
44	XFreePixmap (s->display->dpy, pm);	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;
45	}	206	}
46		207
47	void	208	void
48	rxvt_img::unshare ()	209	rxvt_img::unshare ()
49	{	210	{
50	if (!shared)	211	if (ref->cnt == 1 && ref->ours)
51	return;	212	return;
52		213
53	rxvt_img *img = clone ();	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);
		218	XFreeGC (s->display->dpy, gc);
54		219
55	::swap (pm , img->pm);	220	destroy ();
56	::swap (shared, img->shared);
57		221
58	delete img;	222	pm = pm2;
		223	ref = new pixref (ref->w, ref->h);
59	}	224	}
60		225
61	void	226	void
62	rxvt_img::fill (const rxvt_color &c)	227	rxvt_img::fill (const rxvt_color &c)
63	{	228	{
…		…
87		252
88	for (int i = 0; i < width; i++)	253	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	254	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	255	}
91		256
92	void	257	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	258	rxvt_img::blur (int rh, int rv)
94	{	259	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	260	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	261	return clone ();
97		262
98	Display *dpy = s->display->dpy;	263	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	264	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	265	double kernel = (double )malloc (size * sizeof (double));
101	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 ();
102		269
103	XRenderPictureAttributes pa;	270	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	271	pa.repeat = RepeatPad;
106	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
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	275	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	276	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	277	XFreePixmap (dpy, tmp_pm);
110		278
111	if (kernel && params)	279	if (kernel && params)
112	{	280	{
113	size = rh * 2 + 1;	281	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	282	get_gaussian_kernel (rh, size, kernel, params);
115		283
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	284	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	285	XRenderComposite (dpy,
118	PictOpSrc,	286	PictOpSrc,
119	src,	287	src,
		288	None,
		289	tmp,
		290	0, 0,
		291	0, 0,
		292	0, 0,
		293	w, h);
		294
		295	size = rv * 2 + 1;
		296	get_gaussian_kernel (rv, size, kernel, params);
		297	::swap (params[0], params[1]);
		298
		299	XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
		300	XRenderComposite (dpy,
		301	PictOpSrc,
		302	tmp,
120	None,	303	None,
121	dst,	304	dst,
122	0, 0,	305	0, 0,
123	0, 0,	306	0, 0,
124	0, 0,	307	0, 0,
125	w, h);	308	w, h);
126
127	::swap (src, dst);
128
129	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);
132
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,
135	PictOpSrc,
136	src,
137	None,
138	dst,
139	0, 0,
140	0, 0,
141	0, 0,
142	w, h);
143	}	309	}
144		310
145	free (kernel);	311	free (kernel);
146	free (params);	312	free (params);
147	XRenderFreePicture (dpy, src);	313	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	314	XRenderFreePicture (dpy, dst);
		315	XRenderFreePicture (dpy, tmp);
		316
		317	return img;
149	}	318	}
150		319
151	static Picture	320	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	321	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	322	{
…		…
162		331
163	return mask;	332	return mask;
164	}	333	}
165		334
166	void	335	void
167	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)
168	{	337	{
169	Display *dpy = s->display->dpy;	338	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	339	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	340	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		341
173	XRenderColor mask_c;	342	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	343	mask_c.red = r;
175	mask_c.green = float_to_component (g);	344	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	345	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	346	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	347	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		348
180	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);
181	}	353	}
182		354
183	void	355	void
184	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)
185	{	357	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	358	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
		359	{
		360	rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n");
187	return;	361	return;
		362	}
188		363
189	Display *dpy = s->display->dpy;	364	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	365	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	366	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		367
193	XRenderColor mask_c;	368	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	369	mask_c.red = r;
195	mask_c.green = float_to_component (g);	370	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	371	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	372	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	373	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		374
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	375	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		376
203	bool	377	XRenderFreePicture (dpy, src);
204	rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)	378	XRenderFreePicture (dpy, dst);
205	{	379	}
206	bool argb = format->id == PictStandardARGB32;
207		380
208	Display *dpy = s->display->dpy;	381	rxvt_img *
		382	rxvt_img::clone ()
		383	{
		384	return new rxvt_img (*this);
		385	}
209		386
210	if (s->visual->c_class != TrueColor)	387	static XRenderPictFormat *
		388	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		389	{
		390	if (format->direct.alphaMask)
		391	return format; // already has alpha
		392
		393	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		394	if (format->type == PictTypeDirect)
		395	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		396	if (f->direct.alphaMask
		397	&& f->type == PictTypeDirect
		398	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		399	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		400	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
211	return false;	401	return f;
212		402
213	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	403	// should be a very good fallback
		404	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		405	}
214		406
215	if (argb)	407	rxvt_img *
		408	rxvt_img::reify ()
		409	{
		410	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		411	return clone ();
		412
		413	Display *dpy = s->display->dpy;
		414
		415	// add an alpha channel if...
		416	bool alpha = !format->direct.alphaMask // pixmap has none yet
		417	&& (x \|\| y) // we need one because of non-zero offset
		418	&& repeat == RepeatNone; // and we have no good pixels to fill with
		419
		420	rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
		421	img->alloc ();
		422
		423	Picture src = src_picture ();
		424	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		425
		426	if (alpha)
216	{	427	{
217	red_mask = 0xff << 16;	428	XRenderColor rc = { 0, 0, 0, 0 };
218	green_mask = 0xff << 8;	429	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
219	blue_mask = 0xff;	430	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
220	alpha_mask = 0xff << 24;
221	}	431	}
222	else	432	else
223	{	433	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
224	red_mask = s->visual->red_mask;	434
225	green_mask = s->visual->green_mask;	435	XRenderFreePicture (dpy, src);
226	blue_mask = s->visual->blue_mask;	436	XRenderFreePicture (dpy, dst);
227	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	437
		438	return img;
		439	}
		440
		441	rxvt_img *
		442	rxvt_img::sub_rect (int x, int y, int width, int height)
		443	{
		444	rxvt_img *img = clone ();
		445
		446	img->x += x;
		447	img->y += y;
		448
		449	if (w != width \|\| h != height)
228	}	450	{
		451	img->w = width;
		452	img->h = height;
229		453
230	int width_r = ecb_popcount32 (red_mask);	454	rxvt_img *img2 = img->reify ();
231	int width_g = ecb_popcount32 (green_mask);	455	delete img;
232	int width_b = ecb_popcount32 (blue_mask);	456	img = img2;
233	int width_a = ecb_popcount32 (alpha_mask);
234
235	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
236	return false;
237
238	int sh_r = ecb_ctz32 (red_mask);
239	int sh_g = ecb_ctz32 (green_mask);
240	int sh_b = ecb_ctz32 (blue_mask);
241	int sh_a = ecb_ctz32 (alpha_mask);
242
243	if (width > 32767 \|\| height > 32767)
244	return false;
245
246	XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0,
247	width, height, 32, 0);
248	if (!ximage)
249	return false;
250
251	if (height > INT_MAX / ximage->bytes_per_line
252	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
253	{	457	}
254	XDestroyImage (ximage);
255	return false;
256	}
257		458
258	GC gc = XCreateGC (dpy, pm, 0, 0);	459	return img;
259
260	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
261
262	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
263	int channels = gdk_pixbuf_get_n_channels (pixbuf);
264	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;
265	char *line = ximage->data;
266
267	rgba c (0, 0, 0);
268
269	if (channels == 4 && alpha_mask == 0)
270	{
271	//pix_colors[Color_bg].get (c);
272	//TODO
273	c.r >>= 8;
274	c.g >>= 8;
275	c.b >>= 8;
276	}
277
278	for (int y = 0; y < height; y++)
279	{
280	for (int x = 0; x < width; x++)
281	{
282	unsigned char pixel = row + x channels;
283	uint32_t value;
284	unsigned char r, g, b, a;
285
286	if (channels == 4)
287	{
288	a = pixel[3];
289	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
290	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
291	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
292	}
293	else
294	{
295	a = 0xff;
296	r = pixel[0];
297	g = pixel[1];
298	b = pixel[2];
299	}
300
301	value = ((r >> (8 - width_r)) << sh_r)
302	\| ((g >> (8 - width_g)) << sh_g)
303	\| ((b >> (8 - width_b)) << sh_b)
304	\| ((a >> (8 - width_a)) << sh_a);
305
306	if (ximage->bits_per_pixel == 32)
307	((uint32_t *)line)[x] = value;
308	else
309	XPutPixel (ximage, x, y, value);
310	}
311
312	row += rowstride;
313	line += ximage->bytes_per_line;
314	}
315
316	XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
317	XDestroyImage (ximage);
318	XFreeGC (dpy, gc);
319
320	return true;
321	}	460	}
322		461
323	rxvt_img *	462	rxvt_img *
324	rxvt_img::clone ()
325	{
326	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
327	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
328	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
329	XFreeGC (s->display->dpy, gc);
330	return new rxvt_img (s, format, w, h, pm2);
331	}
332
333	rxvt_img *
334	rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9])	463	rxvt_img::transform (int new_width, int new_height, double matrix[9])
335	{	464	{
336	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	465	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		466	img->alloc ();
337		467
338	Display *dpy = s->display->dpy;	468	Display *dpy = s->display->dpy;
339	XRenderPictureAttributes pa;	469	Picture src = src_picture ();
340	pa.repeat = repeat;
341	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
342	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	470	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
343		471
344	XTransform xfrm;	472	XTransform xfrm;
345		473
346	for (int i = 0; i < 3; ++i)	474	for (int i = 0; i < 3; ++i)
347	for (int j = 0; j < 3; ++j)	475	for (int j = 0; j < 3; ++j)
348	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	476	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
349		477
		478	#if 0
		479	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		480	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		481	#endif
		482
		483	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
350	XRenderSetPictureTransform (dpy, src, &xfrm);	484	XRenderSetPictureTransform (dpy, src, &xfrm);
351	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	485	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
352		486
353	XRenderFreePicture (dpy, src);	487	XRenderFreePicture (dpy, src);
354	XRenderFreePicture (dpy, dst);	488	XRenderFreePicture (dpy, dst);
…		…
357	}	491	}
358		492
359	rxvt_img *	493	rxvt_img *
360	rxvt_img::scale (int new_width, int new_height)	494	rxvt_img::scale (int new_width, int new_height)
361	{	495	{
		496	if (w == new_width && h == new_height)
		497	return clone ();
		498
362	double matrix[9] = {	499	double matrix[9] = {
363	new_width / (double)w, 0, 0,	500	w / (double)new_width, 0, 0,
364	0, new_height / (double)h, 0,	501	0, h / (double)new_height, 0,
365	0, 0, 1	502	0, 0, 1
366	};	503	};
367		504
		505	int old_repeat_mode = repeat;
		506	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		507
		508	rxvt_img *img = transform (new_width, new_height, matrix);
		509
		510	repeat = old_repeat_mode;
		511	img->repeat = repeat;
		512
		513	return img;
		514	}
		515
		516	rxvt_img *
		517	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
		518	{
		519	double s = sin (phi);
		520	double c = cos (phi);
		521
		522	double matrix[9] = {
		523	c, -s, -c * x + s * y + x,
		524	s, c, -s * x - c * y + y,
		525	0, 0, 1
		526	};
		527
368	return transform (new_width, new_height, RepeatNormal, matrix);	528	return transform (new_width, new_height, matrix);
369	}	529	}
370		530
371	rxvt_img *	531	rxvt_img *
372	rxvt_img::convert_to (XRenderPictFormat *new_format)	532	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
373	{	533	{
		534	if (new_format == format)
		535	return clone ();
		536
374	rxvt_img *img = new rxvt_img (s, new_format, w, h);	537	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		538	img->alloc ();
375		539
376	Display *dpy = s->display->dpy;	540	Display *dpy = s->display->dpy;
377	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	541	Picture src = src_picture ();
378	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	542	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		543	int op = PictOpSrc;
379		544
		545	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		546	{
		547	// does it have to be that complicated
		548	rgba c;
		549	bg.get (c);
		550
		551	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		552	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		553
		554	op = PictOpOver;
		555	}
		556
380	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	557	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
381		558
382	XRenderFreePicture (dpy, src);
383	XRenderFreePicture (dpy, dst);	559	XRenderFreePicture (dpy, src);
		560	XRenderFreePicture (dpy, dst);
384		561
		562	return img;
		563	}
		564
		565	rxvt_img *
		566	rxvt_img::blend (rxvt_img *img, double factor)
		567	{
		568	rxvt_img *img2 = clone ();
		569	Display *dpy = s->display->dpy;
		570	Picture src = img->src_picture ();
		571	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		572	Picture mask = create_xrender_mask (dpy, img->pm, False);
		573
		574	XRenderColor mask_c;
		575
		576	mask_c.alpha = float_to_component (factor);
		577	mask_c.red =
		578	mask_c.green =
		579	mask_c.blue = 0;
		580	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		581
		582	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		583
		584	XRenderFreePicture (dpy, src);
		585	XRenderFreePicture (dpy, dst);
		586	XRenderFreePicture (dpy, mask);
		587
385	return img;	588	return img2;
386	}	589	}
387		590
388	#endif	591	#endif
389		592

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs. Revision 1.64 by root, Fri Jun 8 21:33:32 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.14 by root, Mon Jun 4 15:53:12 2012 UTC vs.
Revision 1.64 by root, Fri Jun 8 21:33:32 2012 UTC