[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 1.54 by root, Thu Jun 7 20:24:39 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 = 32; //XY only, unused
		86	xi.bitmap_bit_order = LSBFirst; //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 ())
		127	v = ecb_bswap32 (v);
		128
		129	if (byte_order_mismatch)
		130	v = ecb_bswap32 (v);
		131
		132	*dst++ = v;
		133	}
		134	else
		135	for (int x = 0; x < width; x++)
		136	{
		137	uint32_t v = (uint32_t )src; src += 4;
		138
		139	if (ecb_little_endian ())
		140	v = ecb_bswap32 (v);
		141
		142	v = ecb_rotr32 (v, 8);
		143
		144	if (byte_order_mismatch)
		145	v = ecb_bswap32 (v);
		146
		147	*dst++ = v;
		148	}
		149
		150	row += rowstride;
		151	line += xi.bytes_per_line;
		152	}
		153
		154	rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
		155	img->alloc ();
		156
		157	GC gc = XCreateGC (dpy, img->pm, 0, 0);
		158	XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
		159	XFreeGC (dpy, gc);
		160
		161	free (xi.data);
		162
		163	return img;
18	}	164	}
19		165
20	rxvt_img *	166	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	167	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	168	{
…		…
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	170	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
25		171
26	if (!pb)	172	if (!pb)
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	173	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		174
29	rxvt_img *img = new rxvt_img (	175	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		176
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	177	g_object_unref (pb);
37		178
		179	return img;
		180	}
		181
		182	void
		183	rxvt_img::destroy ()
		184	{
		185	if (--ref->cnt)
38	return img;	186	return;
		187
		188	if (pm && ref->ours)
		189	XFreePixmap (s->display->dpy, pm);
		190
		191	delete ref;
39	}	192	}
40		193
41	rxvt_img::~rxvt_img ()	194	rxvt_img::~rxvt_img ()
42	{	195	{
43	if (!shared)	196	destroy ();
44	XFreePixmap (s->display->dpy, pm);	197	}
		198
		199	void
		200	rxvt_img::alloc ()
		201	{
		202	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		203	ref = new pixref (w, h);
		204	}
		205
		206	Picture
		207	rxvt_img::src_picture ()
		208	{
		209	Display *dpy = s->display->dpy;
		210
		211	XRenderPictureAttributes pa;
		212	pa.repeat = repeat;
		213	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		214
		215	return pic;
45	}	216	}
46		217
47	void	218	void
48	rxvt_img::unshare ()	219	rxvt_img::unshare ()
49	{	220	{
50	if (!shared)	221	if (ref->cnt == 1 && ref->ours)
51	return;	222	return;
52		223
53	rxvt_img *img = clone ();	224	//TODO: maybe should reify instead
		225	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		226	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		227	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		228	XFreeGC (s->display->dpy, gc);
54		229
55	::swap (pm , img->pm);	230	destroy ();
56	::swap (shared, img->shared);
57		231
58	delete img;	232	pm = pm2;
		233	ref = new pixref (ref->w, ref->h);
59	}	234	}
60		235
61	void	236	void
62	rxvt_img::fill (const rxvt_color &c)	237	rxvt_img::fill (const rxvt_color &c)
63	{	238	{
…		…
87		262
88	for (int i = 0; i < width; i++)	263	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	264	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	265	}
91		266
92	void	267	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	268	rxvt_img::blur (int rh, int rv)
94	{	269	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	270	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	271	return clone ();
97		272
98	Display *dpy = s->display->dpy;	273	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	274	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	275	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	276	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		277	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		278	img->alloc ();
		279
		280	Picture src = src_picture ();
102		281
103	XRenderPictureAttributes pa;	282	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	283	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);	284	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		285
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	286	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	287	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	288	XFreePixmap (dpy, tmp_pm);
110		289
111	if (kernel && params)	290	if (kernel && params)
112	{	291	{
113	size = rh * 2 + 1;	292	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	293	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	295	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	296	XRenderComposite (dpy,
118	PictOpSrc,	297	PictOpSrc,
119	src,	298	src,
120	None,	299	None,
121	dst,	300	tmp,
122	0, 0,	301	0, 0,
123	0, 0,	302	0, 0,
124	0, 0,	303	0, 0,
125	w, h);	304	w, h);
126		305
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	306	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	307	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	308	::swap (params[0], params[1]);
132		309
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	310	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	311	XRenderComposite (dpy,
135	PictOpSrc,	312	PictOpSrc,
136	src,	313	tmp,
137	None,	314	None,
138	dst,	315	dst,
139	0, 0,	316	0, 0,
140	0, 0,	317	0, 0,
141	0, 0,	318	0, 0,
…		…
144		321
145	free (kernel);	322	free (kernel);
146	free (params);	323	free (params);
147	XRenderFreePicture (dpy, src);	324	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	325	XRenderFreePicture (dpy, dst);
		326	XRenderFreePicture (dpy, tmp);
		327
		328	return img;
149	}	329	}
150		330
151	static Picture	331	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	332	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	333	{
…		…
162		342
163	return mask;	343	return mask;
164	}	344	}
165		345
166	void	346	void
167	rxvt_img::brightness (double r, double g, double b, double a)	347	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	348	{
169	Display *dpy = s->display->dpy;	349	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	350	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	351	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		352
173	XRenderColor mask_c;	353	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	354	mask_c.red = r;
175	mask_c.green = float_to_component (g);	355	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	356	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	357	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	358	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		359
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	360	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		361
		362	XRenderFreePicture (dpy, src);
		363	XRenderFreePicture (dpy, dst);
181	}	364	}
182		365
183	void	366	void
184	rxvt_img::contrast (double r, double g, double b, double a)	367	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	368	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	369	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	370	return;
188		371
189	Display *dpy = s->display->dpy;	372	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	373	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	374	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		375
193	XRenderColor mask_c;	376	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	377	mask_c.red = r;
195	mask_c.green = float_to_component (g);	378	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	379	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	380	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	381	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		382
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	383	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		384
203	bool	385	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)	386	XRenderFreePicture (dpy, dst);
205	{	387	}
206	bool argb = format->id == PictStandardARGB32;
207		388
208	Display *dpy = s->display->dpy;	389	rxvt_img *
		390	rxvt_img::clone ()
		391	{
		392	return new rxvt_img (*this);
		393	}
209		394
210	if (s->visual->c_class != TrueColor)	395	static XRenderPictFormat *
		396	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		397	{
		398	if (format->direct.alphaMask)
		399	return format; // already has alpha
		400
		401	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		402	if (format->type == PictTypeDirect)
		403	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		404	if (f->direct.alphaMask
		405	&& f->type == PictTypeDirect
		406	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		407	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		408	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
211	return false;	409	return f;
212		410
213	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	411	// should be a very good fallback
		412	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		413	}
214		414
215	if (argb)	415	rxvt_img *
		416	rxvt_img::reify ()
		417	{
		418	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		419	return clone ();
		420
		421	Display *dpy = s->display->dpy;
		422
		423	bool alpha = !format->direct.alphaMask
		424	&& (x \|\| y)
		425	&& repeat == RepeatNone;
		426
		427	rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
		428	img->alloc ();
		429
		430	Picture src = src_picture ();
		431	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		432
		433	if (alpha)
216	{	434	{
217	red_mask = 0xff << 16;	435	XRenderColor rc = { 0, 0, 0, 0 };
218	green_mask = 0xff << 8;	436	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
219	blue_mask = 0xff;	437	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
220	alpha_mask = 0xff << 24;
221	}	438	}
222	else	439	else
		440	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
		441
		442	XRenderFreePicture (dpy, src);
		443	XRenderFreePicture (dpy, dst);
		444
		445	return img;
		446	}
		447
		448	rxvt_img *
		449	rxvt_img::sub_rect (int x, int y, int width, int height)
		450	{
		451	rxvt_img *img = clone ();
		452
		453	img->x += x;
		454	img->y += y;
		455
		456	if (w != width \|\| h != height)
223	{	457	{
224	red_mask = s->visual->red_mask;	458	img->w = width;
225	green_mask = s->visual->green_mask;	459	img->h = height;
226	blue_mask = s->visual->blue_mask;	460
227	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	461	rxvt_img *img2 = img->reify ();
		462	delete img;
		463	img = img2;
228	}	464	}
229		465
230	int width_r = ecb_popcount32 (red_mask);	466	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 >>= 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	}	467	}
322		468
323	rxvt_img *	469	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])	470	rxvt_img::transform (int new_width, int new_height, double matrix[9])
335	{	471	{
336	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	472	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		473	img->alloc ();
337		474
338	Display *dpy = s->display->dpy;	475	Display *dpy = s->display->dpy;
339	XRenderPictureAttributes pa;	476	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);	477	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
343		478
344	XTransform xfrm;	479	XTransform xfrm;
345		480
346	for (int i = 0; i < 3; ++i)	481	for (int i = 0; i < 3; ++i)
347	for (int j = 0; j < 3; ++j)	482	for (int j = 0; j < 3; ++j)
348	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	483	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
349		484
		485	#if 0
		486	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		487	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		488	#endif
		489
		490	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
350	XRenderSetPictureTransform (dpy, src, &xfrm);	491	XRenderSetPictureTransform (dpy, src, &xfrm);
351	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	492	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
352		493
353	XRenderFreePicture (dpy, src);	494	XRenderFreePicture (dpy, src);
354	XRenderFreePicture (dpy, dst);	495	XRenderFreePicture (dpy, dst);
…		…
357	}	498	}
358		499
359	rxvt_img *	500	rxvt_img *
360	rxvt_img::scale (int new_width, int new_height)	501	rxvt_img::scale (int new_width, int new_height)
361	{	502	{
		503	if (w == new_width && h == new_height)
		504	return clone ();
		505
362	double matrix[9] = {	506	double matrix[9] = {
363	new_width / (double)w, 0, 0,	507	w / (double)new_width, 0, 0,
364	0, new_height / (double)h, 0,	508	0, h / (double)new_height, 0,
365	0, 0, 1	509	0, 0, 1
366	};	510	};
367		511
		512	int old_repeat_mode = repeat;
		513	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		514
		515	rxvt_img *img = transform (new_width, new_height, matrix);
		516
		517	repeat = old_repeat_mode;
		518	img->repeat = repeat;
		519
		520	return img;
		521	}
		522
		523	rxvt_img *
		524	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
		525	{
		526	double s = sin (phi);
		527	double c = cos (phi);
		528
		529	double matrix[9] = {
		530	c, -s, -c * x + s * y + x,
		531	s, c, -s * x - c * y + y,
		532	0, 0, 1
		533	};
		534
368	return transform (new_width, new_height, RepeatNormal, matrix);	535	return transform (new_width, new_height, matrix);
369	}	536	}
370		537
371	rxvt_img *	538	rxvt_img *
372	rxvt_img::convert_to (XRenderPictFormat *new_format)	539	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
373	{	540	{
		541	if (new_format == format)
		542	return clone ();
		543
374	rxvt_img *img = new rxvt_img (s, new_format, w, h);	544	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		545	img->alloc ();
375		546
376	Display *dpy = s->display->dpy;	547	Display *dpy = s->display->dpy;
377	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	548	Picture src = src_picture ();
378	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	549	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		550	int op = PictOpSrc;
379		551
		552	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		553	{
		554	// does it have to be that complicated
		555	rgba c;
		556	bg.get (c);
		557
		558	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		559	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		560
		561	op = PictOpOver;
		562	}
		563
380	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	564	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
381		565
382	XRenderFreePicture (dpy, src);
383	XRenderFreePicture (dpy, dst);	566	XRenderFreePicture (dpy, src);
		567	XRenderFreePicture (dpy, dst);
384		568
		569	return img;
		570	}
		571
		572	rxvt_img *
		573	rxvt_img::blend (rxvt_img *img, double factor)
		574	{
		575	rxvt_img *img2 = clone ();
		576	Display *dpy = s->display->dpy;
		577	Picture src = img->src_picture ();
		578	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		579	Picture mask = create_xrender_mask (dpy, img->pm, False);
		580
		581	XRenderColor mask_c;
		582
		583	mask_c.alpha = float_to_component (factor);
		584	mask_c.red =
		585	mask_c.green =
		586	mask_c.blue = 0;
		587	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		588
		589	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		590
		591	XRenderFreePicture (dpy, src);
		592	XRenderFreePicture (dpy, dst);
		593	XRenderFreePicture (dpy, mask);
		594
385	return img;	595	return img2;
386	}	596	}
387		597
388	#endif	598	#endif
389		599

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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 1.54 by root, Thu Jun 7 20:24:39 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 1.54 by root, Thu Jun 7 20:24:39 2012 UTC