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

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.17 by root, Mon Jun 4 18:17:25 2012 UTC vs.
Revision 1.58 by root, Thu Jun 7 20:35:35 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	int byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
		77
		78	XImage xi;
		79
		80	xi.width = width;
		81	xi.height = height;
		82	xi.xoffset = 0;
		83	xi.format = ZPixmap;
		84	xi.byte_order = ImageByteOrder (dpy);
		85	xi.bitmap_unit = 0; //XY only, unused
		86	xi.bitmap_bit_order = 0; //XY only, unused
		87	xi.bitmap_pad = BitmapPad (dpy);
		88	xi.depth = depth;
		89	xi.bytes_per_line = 0;
		90	xi.bits_per_pixel = 32; //Z only
		91	xi.red_mask = 0x00000000; //Z only, unused
		92	xi.green_mask = 0x00000000; //Z only, unused
		93	xi.blue_mask = 0x00000000; //Z only, unused
		94	xi.obdata = 0; // probably unused
		95
		96	bool byte_order_mismatch = byte_order != xi.byte_order;
		97
		98	if (!XInitImage (&xi))
		99	rxvt_fatal ("unable to initialise ximage, please report.\n");
		100
		101	if (height > INT_MAX / xi.bytes_per_line)
		102	rxvt_fatal ("rxvt_img::new_from_pixbuf: image too big for Xlib.\n");
		103
		104	xi.data = (char )rxvt_malloc (height xi.bytes_per_line);
		105
		106	int rowstride = gdk_pixbuf_get_rowstride (pb);
		107
		108	assert (3 + (depth == 32) == gdk_pixbuf_get_n_channels (pb));
		109	unsigned char *row = gdk_pixbuf_get_pixels (pb);
		110	char *line = xi.data;
		111
		112	for (int y = 0; y < height; y++)
		113	{
		114	unsigned char *src = row;
		115	uint32_t dst = (uint32_t )line;
		116
		117	if (depth == 24)
		118	for (int x = 0; x < width; x++)
		119	{
		120	uint8_t r = *src++;
		121	uint8_t g = *src++;
		122	uint8_t b = *src++;
		123
		124	uint32_t v = (r << 16) \| (g << 8) \| b;
		125
		126	if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch)
		127	v = ecb_bswap32 (v);
		128
		129	*dst++ = v;
		130	}
		131	else
		132	for (int x = 0; x < width; x++)
		133	{
		134	uint32_t v = (uint32_t )src; src += 4;
		135
		136	if (ecb_big_endian ())
		137	v = ecb_bswap32 (v);
		138
		139	v = ecb_rotl32 (v, 8); // abgr to bgra
		140
		141	if (!byte_order_mismatch)
		142	v = ecb_bswap32 (v);
		143
		144	*dst++ = v;
		145	}
		146
		147	row += rowstride;
		148	line += xi.bytes_per_line;
		149	}
		150
		151	rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
		152	img->alloc ();
		153
		154	GC gc = XCreateGC (dpy, img->pm, 0, 0);
		155	XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
		156	XFreeGC (dpy, gc);
		157
		158	free (xi.data);
		159
		160	return img;
18	}	161	}
19		162
20	rxvt_img *	163	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	164	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	165	{
…		…
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	167	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
25		168
26	if (!pb)	169	if (!pb)
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	170	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		171
29	rxvt_img *img = new rxvt_img (	172	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		173
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	174	g_object_unref (pb);
37		175
		176	return img;
		177	}
		178
		179	void
		180	rxvt_img::destroy ()
		181	{
		182	if (--ref->cnt)
38	return img;	183	return;
		184
		185	if (pm && ref->ours)
		186	XFreePixmap (s->display->dpy, pm);
		187
		188	delete ref;
39	}	189	}
40		190
41	rxvt_img::~rxvt_img ()	191	rxvt_img::~rxvt_img ()
42	{	192	{
43	if (!shared)	193	destroy ();
44	XFreePixmap (s->display->dpy, pm);	194	}
		195
		196	void
		197	rxvt_img::alloc ()
		198	{
		199	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		200	ref = new pixref (w, h);
		201	}
		202
		203	Picture
		204	rxvt_img::src_picture ()
		205	{
		206	Display *dpy = s->display->dpy;
		207
		208	XRenderPictureAttributes pa;
		209	pa.repeat = repeat;
		210	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		211
		212	return pic;
45	}	213	}
46		214
47	void	215	void
48	rxvt_img::unshare ()	216	rxvt_img::unshare ()
49	{	217	{
50	if (!shared)	218	if (ref->cnt == 1 && ref->ours)
51	return;	219	return;
52		220
53	rxvt_img *img = clone ();	221	//TODO: maybe should reify instead
		222	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		223	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		224	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		225	XFreeGC (s->display->dpy, gc);
54		226
55	::swap (pm , img->pm);	227	destroy ();
56	::swap (shared, img->shared);
57		228
58	delete img;	229	pm = pm2;
		230	ref = new pixref (ref->w, ref->h);
59	}	231	}
60		232
61	void	233	void
62	rxvt_img::fill (const rxvt_color &c)	234	rxvt_img::fill (const rxvt_color &c)
63	{	235	{
…		…
87		259
88	for (int i = 0; i < width; i++)	260	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	261	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	262	}
91		263
92	void	264	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	265	rxvt_img::blur (int rh, int rv)
94	{	266	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	267	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	268	return clone ();
97		269
98	Display *dpy = s->display->dpy;	270	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	271	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	272	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	273	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		274	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		275	img->alloc ();
		276
		277	Picture src = src_picture ();
102		278
103	XRenderPictureAttributes pa;	279	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	280	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);	281	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		282
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	283	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	284	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	285	XFreePixmap (dpy, tmp_pm);
110		286
111	if (kernel && params)	287	if (kernel && params)
112	{	288	{
113	size = rh * 2 + 1;	289	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	290	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	292	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	293	XRenderComposite (dpy,
118	PictOpSrc,	294	PictOpSrc,
119	src,	295	src,
120	None,	296	None,
121	dst,	297	tmp,
122	0, 0,	298	0, 0,
123	0, 0,	299	0, 0,
124	0, 0,	300	0, 0,
125	w, h);	301	w, h);
126		302
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	303	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	304	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	305	::swap (params[0], params[1]);
132		306
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	307	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	308	XRenderComposite (dpy,
135	PictOpSrc,	309	PictOpSrc,
136	src,	310	tmp,
137	None,	311	None,
138	dst,	312	dst,
139	0, 0,	313	0, 0,
140	0, 0,	314	0, 0,
141	0, 0,	315	0, 0,
…		…
144		318
145	free (kernel);	319	free (kernel);
146	free (params);	320	free (params);
147	XRenderFreePicture (dpy, src);	321	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	322	XRenderFreePicture (dpy, dst);
		323	XRenderFreePicture (dpy, tmp);
		324
		325	return img;
149	}	326	}
150		327
151	static Picture	328	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	329	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	330	{
…		…
162		339
163	return mask;	340	return mask;
164	}	341	}
165		342
166	void	343	void
167	rxvt_img::brightness (double r, double g, double b, double a)	344	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	345	{
169	Display *dpy = s->display->dpy;	346	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	347	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	348	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		349
173	XRenderColor mask_c;	350	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	351	mask_c.red = r;
175	mask_c.green = float_to_component (g);	352	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	353	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	354	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	355	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		356
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	357	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		358
		359	XRenderFreePicture (dpy, src);
		360	XRenderFreePicture (dpy, dst);
181	}	361	}
182		362
183	void	363	void
184	rxvt_img::contrast (double r, double g, double b, double a)	364	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	365	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	366	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	367	return;
188		368
189	Display *dpy = s->display->dpy;	369	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	370	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	371	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		372
193	XRenderColor mask_c;	373	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	374	mask_c.red = r;
195	mask_c.green = float_to_component (g);	375	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	376	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	377	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	378	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		379
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	380	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		381
203	bool	382	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)	383	XRenderFreePicture (dpy, dst);
205	{	384	}
206	bool argb = format->id == PictStandardARGB32;
207		385
208	Display *dpy = s->display->dpy;	386	rxvt_img *
		387	rxvt_img::clone ()
		388	{
		389	return new rxvt_img (*this);
		390	}
209		391
210	if (s->visual->c_class != TrueColor)	392	static XRenderPictFormat *
		393	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		394	{
		395	if (format->direct.alphaMask)
		396	return format; // already has alpha
		397
		398	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		399	if (format->type == PictTypeDirect)
		400	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		401	if (f->direct.alphaMask
		402	&& f->type == PictTypeDirect
		403	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		404	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		405	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
211	return false;	406	return f;
212		407
213	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	408	// should be a very good fallback
		409	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		410	}
214		411
215	if (argb)	412	rxvt_img *
		413	rxvt_img::reify ()
		414	{
		415	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		416	return clone ();
		417
		418	Display *dpy = s->display->dpy;
		419
		420	bool alpha = !format->direct.alphaMask
		421	&& (x \|\| y)
		422	&& repeat == RepeatNone;
		423
		424	rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
		425	img->alloc ();
		426
		427	Picture src = src_picture ();
		428	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		429
		430	if (alpha)
216	{	431	{
217	red_mask = 0xff << 16;	432	XRenderColor rc = { 0, 0, 0, 0 };
218	green_mask = 0xff << 8;	433	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
219	blue_mask = 0xff;	434	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
220	alpha_mask = 0xff << 24;
221	}	435	}
222	else	436	else
		437	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
		438
		439	XRenderFreePicture (dpy, src);
		440	XRenderFreePicture (dpy, dst);
		441
		442	return img;
		443	}
		444
		445	rxvt_img *
		446	rxvt_img::sub_rect (int x, int y, int width, int height)
		447	{
		448	rxvt_img *img = clone ();
		449
		450	img->x += x;
		451	img->y += y;
		452
		453	if (w != width \|\| h != height)
223	{	454	{
224	red_mask = s->visual->red_mask;	455	img->w = width;
225	green_mask = s->visual->green_mask;	456	img->h = height;
226	blue_mask = s->visual->blue_mask;	457
227	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	458	rxvt_img *img2 = img->reify ();
		459	delete img;
		460	img = img2;
228	}	461	}
229		462
230	int width_r = ecb_popcount32 (red_mask);	463	return img;
231	int width_g = ecb_popcount32 (green_mask);
232	int width_b = ecb_popcount32 (blue_mask);
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	{
254	XDestroyImage (ximage);
255	return false;
256	}
257
258	GC gc = XCreateGC (dpy, pm, 0, 0);
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 = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
274	c.r >>= 8;
275	c.g >>= 8;
276	c.b >>= 8;
277	}
278
279	for (int y = 0; y < height; y++)
280	{
281	for (int x = 0; x < width; x++)
282	{
283	unsigned char pixel = row + x channels;
284	uint32_t value;
285	unsigned char r, g, b, a;
286
287	if (channels == 4)
288	{
289	a = pixel[3];
290	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
291	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
292	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
293	}
294	else
295	{
296	a = 0xff;
297	r = pixel[0];
298	g = pixel[1];
299	b = pixel[2];
300	}
301
302	value = ((r >> (8 - width_r)) << sh_r)
303	\| ((g >> (8 - width_g)) << sh_g)
304	\| ((b >> (8 - width_b)) << sh_b)
305	\| ((a >> (8 - width_a)) << sh_a);
306
307	if (ximage->bits_per_pixel == 32)
308	((uint32_t *)line)[x] = value;
309	else
310	XPutPixel (ximage, x, y, value);
311	}
312
313	row += rowstride;
314	line += ximage->bytes_per_line;
315	}
316
317	XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
318	XDestroyImage (ximage);
319	XFreeGC (dpy, gc);
320
321	return true;
322	}	464	}
323		465
324	rxvt_img *	466	rxvt_img *
325	rxvt_img::clone ()
326	{
327	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
328	Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
329	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
330	XFreeGC (s->display->dpy, gc);
331	return new rxvt_img (s, format, w, h, pm2);
332	}
333
334	rxvt_img *
335	rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9])	467	rxvt_img::transform (int new_width, int new_height, double matrix[9])
336	{	468	{
337	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	469	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		470	img->alloc ();
338		471
339	Display *dpy = s->display->dpy;	472	Display *dpy = s->display->dpy;
340	XRenderPictureAttributes pa;	473	Picture src = src_picture ();
341	pa.repeat = repeat;
342	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
343	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	474	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
344		475
345	XTransform xfrm;	476	XTransform xfrm;
346		477
347	for (int i = 0; i < 3; ++i)	478	for (int i = 0; i < 3; ++i)
348	for (int j = 0; j < 3; ++j)	479	for (int j = 0; j < 3; ++j)
349	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	480	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
350		481
		482	#if 0
		483	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		484	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		485	#endif
		486
351	XRenderSetPictureFilter (dpy, src, "good", 0, 0);	487	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
352	XRenderSetPictureTransform (dpy, src, &xfrm);	488	XRenderSetPictureTransform (dpy, src, &xfrm);
353	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	489	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
354		490
355	XRenderFreePicture (dpy, src);	491	XRenderFreePicture (dpy, src);
…		…
359	}	495	}
360		496
361	rxvt_img *	497	rxvt_img *
362	rxvt_img::scale (int new_width, int new_height)	498	rxvt_img::scale (int new_width, int new_height)
363	{	499	{
		500	if (w == new_width && h == new_height)
		501	return clone ();
		502
364	double matrix[9] = {	503	double matrix[9] = {
365	w / (double)new_width, 0, 0,	504	w / (double)new_width, 0, 0,
366	0, h / (double)new_height, 0,	505	0, h / (double)new_height, 0,
367	0, 0, 1	506	0, 0, 1
368	};	507	};
369		508
		509	int old_repeat_mode = repeat;
		510	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		511
370	return transform (new_width, new_height, RepeatNormal, matrix);	512	rxvt_img *img = transform (new_width, new_height, matrix);
371	}
372		513
		514	repeat = old_repeat_mode;
		515	img->repeat = repeat;
		516
		517	return img;
		518	}
		519
373	rxvt_img *	520	rxvt_img *
374	rxvt_img::rotate (int new_width, int new_height, int repeat, int x, int y, double phi)	521	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
375	{	522	{
376	double s = sin (phi);	523	double s = sin (phi);
377	double c = cos (phi);	524	double c = cos (phi);
378		525
379	double matrix[9] = {	526	double matrix[9] = {
380	c, -s, -c * x + s * y + x,	527	c, -s, -c * x + s * y + x,
381	s, c, -s * x - c * y + y,	528	s, c, -s * x - c * y + y,
382	0, 0, 1	529	0, 0, 1
383	};	530	};
384		531
385	return transform (new_width, new_height, repeat, matrix);	532	return transform (new_width, new_height, matrix);
386	}	533	}
387		534
388	rxvt_img *	535	rxvt_img *
389	rxvt_img::convert_to (XRenderPictFormat *new_format)	536	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
390	{	537	{
		538	if (new_format == format)
		539	return clone ();
		540
391	rxvt_img *img = new rxvt_img (s, new_format, w, h);	541	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		542	img->alloc ();
392		543
393	Display *dpy = s->display->dpy;	544	Display *dpy = s->display->dpy;
394	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	545	Picture src = src_picture ();
395	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	546	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		547	int op = PictOpSrc;
396		548
		549	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		550	{
		551	// does it have to be that complicated
		552	rgba c;
		553	bg.get (c);
		554
		555	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		556	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		557
		558	op = PictOpOver;
		559	}
		560
397	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	561	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
398		562
399	XRenderFreePicture (dpy, src);
400	XRenderFreePicture (dpy, dst);	563	XRenderFreePicture (dpy, src);
		564	XRenderFreePicture (dpy, dst);
401		565
		566	return img;
		567	}
		568
		569	rxvt_img *
		570	rxvt_img::blend (rxvt_img *img, double factor)
		571	{
		572	rxvt_img *img2 = clone ();
		573	Display *dpy = s->display->dpy;
		574	Picture src = img->src_picture ();
		575	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		576	Picture mask = create_xrender_mask (dpy, img->pm, False);
		577
		578	XRenderColor mask_c;
		579
		580	mask_c.alpha = float_to_component (factor);
		581	mask_c.red =
		582	mask_c.green =
		583	mask_c.blue = 0;
		584	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		585
		586	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		587
		588	XRenderFreePicture (dpy, src);
		589	XRenderFreePicture (dpy, dst);
		590	XRenderFreePicture (dpy, mask);
		591
402	return img;	592	return img2;
403	}	593	}
404		594
405	#endif	595	#endif
406		596

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.17 by root, Mon Jun 4 18:17:25 2012 UTC vs. Revision 1.58 by root, Thu Jun 7 20:35:35 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.17 by root, Mon Jun 4 18:17:25 2012 UTC vs.
Revision 1.58 by root, Thu Jun 7 20:35:35 2012 UTC