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

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs.
Revision 1.49 by root, Thu Jun 7 19:24:13 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)	8	: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(repeat),
		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;
		59	}
		60
		61	rxvt_img *
		62	rxvt_img::new_from_pixbuf (rxvt_screen s, GdkPixbuf pb)
		63	{
		64	Display *dpy = s->display->dpy;
		65
		66	int width = gdk_pixbuf_get_width (pb);
		67	int height = gdk_pixbuf_get_height (pb);
		68
		69	if (width > 32767 \|\| height > 32767) // well, we could upload in chunks
		70	rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big (maximum size 32768x32768).\n");
		71
		72	// since we require rgb24/argb32 formats from xrender we assume
		73	// that both 24 and 32 bpp MUST be supported by any screen that supports xrender
		74	int depth = gdk_pixbuf_get_has_alpha (pb) ? 32 : 24;
		75
		76	XImage xi;
		77
		78	xi.width = width;
		79	xi.height = height;
		80	xi.xoffset = 0;
		81	xi.format = ZPixmap;
		82	xi.byte_order = MSBFirst; // maybe go for host byte order, because servers are usually local?
		83	xi.bitmap_unit = 32;
		84	xi.bitmap_bit_order = MSBFirst;
		85	xi.bitmap_pad = BitmapPad (dpy);
		86	xi.depth = depth;
		87	xi.bytes_per_line = 0;
		88	xi.bits_per_pixel = 32;
		89	xi.red_mask = 0x00ff0000;
		90	xi.green_mask = 0x0000ff00;
		91	xi.blue_mask = 0x000000ff;
		92
		93	if (!XInitImage (&xi))
		94	rxvt_fatal ("unable to initialise ximage, please report.\n");
		95
		96	if (height > INT_MAX / xi.bytes_per_line)
		97	rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
		98
		99	xi.data = (char )rxvt_malloc (height xi.bytes_per_line);
		100
		101	int rowstride = gdk_pixbuf_get_rowstride (pb);
		102
		103	assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
		104	unsigned char *row = gdk_pixbuf_get_pixels (pb);
		105	char *line = xi.data;
		106
		107	for (int y = 0; y < height; y++)
		108	{
		109	unsigned char r, g, b, a;
		110	unsigned char *data = row;
		111
		112	if (depth == 24)
		113	for (int x = 0; x < width; x++)
		114	{
		115	r = *data++;
		116	g = *data++;
		117	b = *data++;
		118	*line++ = 0;
		119	*line++ = r;
		120	*line++ = g;
		121	*line++ = b;
		122	}
		123	else
		124	for (int x = 0; x < width; x++)
		125	{
		126	uint32_t v = (uint32_t )data; data += 4;
		127	v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8);
		128	(uint32_t )line = x; line += 4;
		129	}
		130
		131	row += rowstride;
		132	}
		133
		134	rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
		135	img->alloc ();
		136
		137	GC gc = XCreateGC (dpy, img->pm, 0, 0);
		138	XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
		139	XFreeGC (dpy, gc);
		140
		141	free (xi.data);
		142
		143	return img;
18	}	144	}
19		145
20	rxvt_img *	146	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	147	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	148	{
…		…
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	150	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
25		151
26	if (!pb)	152	if (!pb)
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	153	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		154
29	rxvt_img *img = new rxvt_img (	155	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		156
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	157	g_object_unref (pb);
37		158
		159	return img;
		160	}
		161
		162	void
		163	rxvt_img::destroy ()
		164	{
		165	if (--ref->cnt)
38	return img;	166	return;
		167
		168	if (pm && ref->ours)
		169	XFreePixmap (s->display->dpy, pm);
		170
		171	delete ref;
39	}	172	}
40		173
41	rxvt_img::~rxvt_img ()	174	rxvt_img::~rxvt_img ()
42	{	175	{
43	if (!shared)	176	destroy ();
44	XFreePixmap (s->display->dpy, pm);	177	}
		178
		179	void
		180	rxvt_img::alloc ()
		181	{
		182	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		183	ref = new pixref (w, h);
		184	}
		185
		186	Picture
		187	rxvt_img::src_picture ()
		188	{
		189	Display *dpy = s->display->dpy;
		190
		191	XRenderPictureAttributes pa;
		192	pa.repeat = repeat;
		193	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		194
		195	return pic;
45	}	196	}
46		197
47	void	198	void
48	rxvt_img::unshare ()	199	rxvt_img::unshare ()
49	{	200	{
50	if (!shared)	201	if (ref->cnt == 1 && ref->ours)
51	return;	202	return;
52		203
53	rxvt_img *img = clone ();	204	//TODO: maybe should reify instead
		205	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		206	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		207	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		208	XFreeGC (s->display->dpy, gc);
54		209
55	::swap (pm , img->pm);	210	destroy ();
56	::swap (shared, img->shared);
57		211
58	delete img;	212	pm = pm2;
		213	ref = new pixref (ref->w, ref->h);
59	}	214	}
60		215
61	void	216	void
62	rxvt_img::fill (const rxvt_color &c)	217	rxvt_img::fill (const rxvt_color &c)
63	{	218	{
…		…
87		242
88	for (int i = 0; i < width; i++)	243	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	244	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	245	}
91		246
92	void	247	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	248	rxvt_img::blur (int rh, int rv)
94	{	249	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	250	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	251	return clone ();
97		252
98	Display *dpy = s->display->dpy;	253	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	254	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	255	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	256	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		257	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		258	img->alloc ();
		259
		260	Picture src = src_picture ();
102		261
103	XRenderPictureAttributes pa;	262	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	263	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);	264	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		265
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	266	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	267	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	268	XFreePixmap (dpy, tmp_pm);
110		269
111	if (kernel && params)	270	if (kernel && params)
112	{	271	{
113	size = rh * 2 + 1;	272	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	273	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	275	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	276	XRenderComposite (dpy,
118	PictOpSrc,	277	PictOpSrc,
119	src,	278	src,
120	None,	279	None,
121	dst,	280	tmp,
122	0, 0,	281	0, 0,
123	0, 0,	282	0, 0,
124	0, 0,	283	0, 0,
125	w, h);	284	w, h);
126		285
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	286	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	287	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	288	::swap (params[0], params[1]);
132		289
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	290	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	291	XRenderComposite (dpy,
135	PictOpSrc,	292	PictOpSrc,
136	src,	293	tmp,
137	None,	294	None,
138	dst,	295	dst,
139	0, 0,	296	0, 0,
140	0, 0,	297	0, 0,
141	0, 0,	298	0, 0,
…		…
144		301
145	free (kernel);	302	free (kernel);
146	free (params);	303	free (params);
147	XRenderFreePicture (dpy, src);	304	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	305	XRenderFreePicture (dpy, dst);
		306	XRenderFreePicture (dpy, tmp);
		307
		308	return img;
149	}	309	}
150		310
151	static Picture	311	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	312	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	313	{
…		…
162		322
163	return mask;	323	return mask;
164	}	324	}
165		325
166	void	326	void
167	rxvt_img::brightness (double r, double g, double b, double a)	327	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	328	{
169	Display *dpy = s->display->dpy;	329	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	330	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	331	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		332
173	XRenderColor mask_c;	333	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	334	mask_c.red = r;
175	mask_c.green = float_to_component (g);	335	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	336	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	337	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	338	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		339
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	340	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		341
		342	XRenderFreePicture (dpy, src);
		343	XRenderFreePicture (dpy, dst);
181	}	344	}
182		345
183	void	346	void
184	rxvt_img::contrast (double r, double g, double b, double a)	347	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	348	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	349	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	350	return;
188		351
189	Display *dpy = s->display->dpy;	352	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	353	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	354	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		355
193	XRenderColor mask_c;	356	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	357	mask_c.red = r;
195	mask_c.green = float_to_component (g);	358	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	359	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	360	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	361	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		362
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	363	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		364
203	bool	365	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)	366	XRenderFreePicture (dpy, dst);
205	{	367	}
206	Display *dpy = s->display->dpy;
207		368
208	if (s->visual->c_class != TrueColor)	369	rxvt_img *
		370	rxvt_img::clone ()
		371	{
		372	return new rxvt_img (*this);
		373	}
		374
		375	static XRenderPictFormat *
		376	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		377	{
		378	if (format->direct.alphaMask)
		379	return format; // already has alpha
		380
		381	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		382	if (format->type == PictTypeDirect)
		383	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		384	if (f->direct.alphaMask
		385	&& f->type == PictTypeDirect
		386	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		387	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		388	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
209	return false;	389	return f;
210		390
211	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	391	// should be a very good fallback
		392	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		393	}
212		394
213	red_mask = (uint32_t)format->direct.redMask << format->direct.red;	395	rxvt_img *
214	green_mask = (uint32_t)format->direct.greenMask << format->direct.green;	396	rxvt_img::reify ()
215	blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;	397	{
216	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	398	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
217
218	int width_r = ecb_popcount32 (red_mask);
219	int width_g = ecb_popcount32 (green_mask);
220	int width_b = ecb_popcount32 (blue_mask);
221	int width_a = ecb_popcount32 (alpha_mask);
222
223	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
224	return false;	399	return clone ();
225		400
226	int sh_r = ecb_ctz32 (red_mask);	401	Display *dpy = s->display->dpy;
227	int sh_g = ecb_ctz32 (green_mask);
228	int sh_b = ecb_ctz32 (blue_mask);
229	int sh_a = ecb_ctz32 (alpha_mask);
230		402
231	if (width > 32767 \|\| height > 32767)	403	bool alpha = !format->direct.alphaMask
232	return false;	404	&& (x \|\| y)
		405	&& repeat == RepeatNone;
233		406
234	XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,	407	rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
235	width, height, 32, 0);	408	img->alloc ();
236	if (!ximage)
237	return false;
238		409
239	if (height > INT_MAX / ximage->bytes_per_line	410	Picture src = src_picture ();
240	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))	411	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		412
		413	if (alpha)
241	{	414	{
242	XDestroyImage (ximage);	415	XRenderColor rc = { 0, 0, 0, 0 };
243	return false;	416	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
		417	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
244	}	418	}
		419	else
		420	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
245		421
246	GC gc = XCreateGC (dpy, pm, 0, 0);	422	XRenderFreePicture (dpy, src);
		423	XRenderFreePicture (dpy, dst);
247		424
248	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	425	return img;
		426	}
249		427
250	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);	428	rxvt_img *
251	int channels = gdk_pixbuf_get_n_channels (pixbuf);	429	rxvt_img::sub_rect (int x, int y, int width, int height)
252	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;	430	{
253	char *line = ximage->data;	431	rxvt_img *img = clone ();
254		432
255	rgba c (0, 0, 0);	433	img->x += x;
		434	img->y += y;
256		435
257	if (channels == 4 && alpha_mask == 0)	436	if (w != width \|\| h != height)
258	{	437	{
259	//pix_colors[Color_bg].get (c);	438	img->w = width;
260	//TODO	439	img->h = height;
261	c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D	440
262	c.r >>= 8;	441	rxvt_img *img2 = img->reify ();
263	c.g >>= 8;	442	delete img;
264	c.b >>= 8;	443	img = img2;
265	}	444	}
266		445
267	for (int y = 0; y < height; y++)	446	return img;
268	{
269	for (int x = 0; x < width; x++)
270	{
271	unsigned char pixel = row + x channels;
272	uint32_t value;
273	unsigned char r, g, b, a;
274
275	if (channels == 4)
276	{
277	a = pixel[3];
278	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
279	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
280	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
281	}
282	else
283	{
284	a = 0xff;
285	r = pixel[0];
286	g = pixel[1];
287	b = pixel[2];
288	}
289
290	value = ((r >> (8 - width_r)) << sh_r)
291	\| ((g >> (8 - width_g)) << sh_g)
292	\| ((b >> (8 - width_b)) << sh_b)
293	\| ((a >> (8 - width_a)) << sh_a);
294
295	if (ximage->bits_per_pixel == 32)
296	((uint32_t *)line)[x] = value;
297	else
298	XPutPixel (ximage, x, y, value);
299	}
300
301	row += rowstride;
302	line += ximage->bytes_per_line;
303	}
304
305	XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
306	XDestroyImage (ximage);
307	XFreeGC (dpy, gc);
308
309	return true;
310	}	447	}
311		448
312	rxvt_img *	449	rxvt_img *
313	rxvt_img::clone ()
314	{
315	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
316	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
317	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
318	XFreeGC (s->display->dpy, gc);
319	return new rxvt_img (s, format, w, h, pm2);
320	}
321
322	rxvt_img *
323	rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9])	450	rxvt_img::transform (int new_width, int new_height, double matrix[9])
324	{	451	{
325	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	452	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		453	img->alloc ();
326		454
327	Display *dpy = s->display->dpy;	455	Display *dpy = s->display->dpy;
328	XRenderPictureAttributes pa;	456	Picture src = src_picture ();
329	pa.repeat = repeat;
330	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
331	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	457	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
332		458
333	XTransform xfrm;	459	XTransform xfrm;
334		460
335	for (int i = 0; i < 3; ++i)	461	for (int i = 0; i < 3; ++i)
336	for (int j = 0; j < 3; ++j)	462	for (int j = 0; j < 3; ++j)
337	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	463	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
338		464
		465	#if 0
		466	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		467	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		468	#endif
		469
339	XRenderSetPictureFilter (dpy, src, "good", 0, 0);	470	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
340	XRenderSetPictureTransform (dpy, src, &xfrm);	471	XRenderSetPictureTransform (dpy, src, &xfrm);
341	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	472	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
342		473
343	XRenderFreePicture (dpy, src);	474	XRenderFreePicture (dpy, src);
…		…
347	}	478	}
348		479
349	rxvt_img *	480	rxvt_img *
350	rxvt_img::scale (int new_width, int new_height)	481	rxvt_img::scale (int new_width, int new_height)
351	{	482	{
		483	if (w == new_width && h == new_height)
		484	return clone ();
		485
352	double matrix[9] = {	486	double matrix[9] = {
353	w / (double)new_width, 0, 0,	487	w / (double)new_width, 0, 0,
354	0, h / (double)new_height, 0,	488	0, h / (double)new_height, 0,
355	0, 0, 1	489	0, 0, 1
356	};	490	};
357		491
		492	int old_repeat_mode = repeat;
		493	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		494
358	return transform (new_width, new_height, RepeatNormal, matrix);	495	rxvt_img *img = transform (new_width, new_height, matrix);
359	}
360		496
		497	repeat = old_repeat_mode;
		498	img->repeat = repeat;
		499
		500	return img;
		501	}
		502
361	rxvt_img *	503	rxvt_img *
362	rxvt_img::rotate (int new_width, int new_height, int repeat, int x, int y, double phi)	504	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
363	{	505	{
364	double s = sin (phi);	506	double s = sin (phi);
365	double c = cos (phi);	507	double c = cos (phi);
366		508
367	double matrix[9] = {	509	double matrix[9] = {
368	c, -s, -c * x + s * y + x,	510	c, -s, -c * x + s * y + x,
369	s, c, -s * x - c * y + y,	511	s, c, -s * x - c * y + y,
370	0, 0, 1	512	0, 0, 1
371	};	513	};
372		514
373	return transform (new_width, new_height, repeat, matrix);	515	return transform (new_width, new_height, matrix);
374	}	516	}
375		517
376	rxvt_img *	518	rxvt_img *
377	rxvt_img::convert_to (XRenderPictFormat *new_format)	519	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
378	{	520	{
		521	if (new_format == format)
		522	return clone ();
		523
379	rxvt_img *img = new rxvt_img (s, new_format, w, h);	524	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		525	img->alloc ();
380		526
381	Display *dpy = s->display->dpy;	527	Display *dpy = s->display->dpy;
382	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	528	Picture src = src_picture ();
383	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	529	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		530	int op = PictOpSrc;
384		531
		532	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		533	{
		534	// does it have to be that complicated
		535	rgba c;
		536	bg.get (c);
		537
		538	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		539	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		540
		541	op = PictOpOver;
		542	}
		543
385	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	544	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
386		545
387	XRenderFreePicture (dpy, src);
388	XRenderFreePicture (dpy, dst);	546	XRenderFreePicture (dpy, src);
		547	XRenderFreePicture (dpy, dst);
389		548
		549	return img;
		550	}
		551
		552	rxvt_img *
		553	rxvt_img::blend (rxvt_img *img, double factor)
		554	{
		555	rxvt_img *img2 = clone ();
		556	Display *dpy = s->display->dpy;
		557	Picture src = img->src_picture ();
		558	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		559	Picture mask = create_xrender_mask (dpy, img->pm, False);
		560
		561	XRenderColor mask_c;
		562
		563	mask_c.alpha = float_to_component (factor);
		564	mask_c.red =
		565	mask_c.green =
		566	mask_c.blue = 0;
		567	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		568
		569	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		570
		571	XRenderFreePicture (dpy, src);
		572	XRenderFreePicture (dpy, dst);
		573	XRenderFreePicture (dpy, mask);
		574
390	return img;	575	return img2;
391	}	576	}
392		577
393	#endif	578	#endif
394		579

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs. Revision 1.49 by root, Thu Jun 7 19:24:13 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs.
Revision 1.49 by root, Thu Jun 7 19:24:13 2012 UTC