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

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.22 by sf-exg, Tue Jun 5 15:18:23 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;
18	}	17	}
19		18
20	rxvt_img *	19	rxvt_img *
21	rxvt_img::new_from_root (rxvt_screen *s)	20	rxvt_img::new_from_root (rxvt_screen *s)
22	{	21	{
…		…
37	return 0;	36	return 0;
38		37
39	rxvt_img *img = new rxvt_img (	38	rxvt_img *img = new rxvt_img (
40	s,	39	s,
41	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),	40	XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
		41	0,
		42	0,
42	root_pm_w,	43	root_pm_w,
43	root_pm_h,	44	root_pm_h
44	root_pixmap
45	);	45	);
46		46
47	img->shared = true;	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);
48		152
49	return img;	153	return img;
50	}	154	}
51		155
52	rxvt_img *	156	rxvt_img *
…		…
56	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	160	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
57		161
58	if (!pb)	162	if (!pb)
59	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	163	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60		164
61	rxvt_img *img = new rxvt_img (	165	rxvt_img *img = new_from_pixbuf (s, pb);
62	s,
63	XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
64	gdk_pixbuf_get_width (pb),
65	gdk_pixbuf_get_height (pb)
66	);
67		166
68	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	167	g_object_unref (pb);
69		168
		169	return img;
		170	}
		171
		172	void
		173	rxvt_img::destroy ()
		174	{
		175	if (--ref->cnt)
70	return img;	176	return;
		177
		178	if (pm && ref->ours)
		179	XFreePixmap (s->display->dpy, pm);
		180
		181	delete ref;
71	}	182	}
72		183
73	rxvt_img::~rxvt_img ()	184	rxvt_img::~rxvt_img ()
74	{	185	{
75	if (!shared)	186	destroy ();
76	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;
77	}	206	}
78		207
79	void	208	void
80	rxvt_img::unshare ()	209	rxvt_img::unshare ()
81	{	210	{
82	if (!shared)	211	if (ref->cnt == 1 && ref->ours)
83	return;	212	return;
84		213
85	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);
86		219
87	::swap (pm , img->pm);	220	destroy ();
88	::swap (shared, img->shared);
89		221
90	delete img;	222	pm = pm2;
		223	ref = new pixref (ref->w, ref->h);
91	}	224	}
92		225
93	void	226	void
94	rxvt_img::fill (const rxvt_color &c)	227	rxvt_img::fill (const rxvt_color &c)
95	{	228	{
…		…
129		262
130	Display *dpy = s->display->dpy;	263	Display *dpy = s->display->dpy;
131	int size = max (rh, rv) * 2 + 1;	264	int size = max (rh, rv) * 2 + 1;
132	double kernel = (double )malloc (size * sizeof (double));	265	double kernel = (double )malloc (size * sizeof (double));
133	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	266	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
134	rxvt_img *img = new rxvt_img (s, format, w, h);	267	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		268	img->alloc ();
135		269
136	XRenderPictureAttributes pa;	270	XRenderPictureAttributes pa;
137
138	pa.repeat = RepeatPad;	271	pa.repeat = RepeatPad;
139	Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);	272	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
140	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);	273	Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0);
141		274
142	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);	275	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
143	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);	276	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
144	XFreePixmap (dpy, tmp_pm);	277	XFreePixmap (dpy, tmp_pm);
145		278
…		…
161		294
162	size = rv * 2 + 1;	295	size = rv * 2 + 1;
163	get_gaussian_kernel (rv, size, kernel, params);	296	get_gaussian_kernel (rv, size, kernel, params);
164	::swap (params[0], params[1]);	297	::swap (params[0], params[1]);
165		298
166	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	299	XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
167	XRenderComposite (dpy,	300	XRenderComposite (dpy,
168	PictOpSrc,	301	PictOpSrc,
169	tmp,	302	tmp,
170	None,	303	None,
171	dst,	304	dst,
…		…
198		331
199	return mask;	332	return mask;
200	}	333	}
201		334
202	void	335	void
203	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)
204	{	337	{
205	Display *dpy = s->display->dpy;	338	Display *dpy = s->display->dpy;
206	Picture src = create_xrender_mask (dpy, pm, True);	339	Picture src = create_xrender_mask (dpy, pm, True);
207	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	340	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
208		341
209	XRenderColor mask_c;	342	XRenderColor mask_c;
210	mask_c.red = float_to_component (r);	343	mask_c.red = r;
211	mask_c.green = float_to_component (g);	344	mask_c.green = g;
212	mask_c.blue = float_to_component (b);	345	mask_c.blue = b;
213	mask_c.alpha = float_to_component (a);	346	mask_c.alpha = a;
214	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	347	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
215		348
216	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);
217	}	353	}
218		354
219	void	355	void
220	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)
221	{	357	{
222	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");
223	return;	361	return;
		362	}
224		363
225	Display *dpy = s->display->dpy;	364	Display *dpy = s->display->dpy;
226	Picture src = create_xrender_mask (dpy, pm, True);	365	Picture src = create_xrender_mask (dpy, pm, True);
227	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	366	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
228		367
229	XRenderColor mask_c;	368	XRenderColor mask_c;
230	mask_c.red = float_to_component (r);	369	mask_c.red = r;
231	mask_c.green = float_to_component (g);	370	mask_c.green = g;
232	mask_c.blue = float_to_component (b);	371	mask_c.blue = b;
233	mask_c.alpha = float_to_component (a);	372	mask_c.alpha = a;
234	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	373	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
235		374
236	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);
237	}
238		376
239	bool	377	XRenderFreePicture (dpy, src);
240	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);
241	{
242	Display *dpy = s->display->dpy;
243
244	if (s->visual->c_class != TrueColor)
245	return false;
246
247	uint32_t red_mask, green_mask, blue_mask, alpha_mask;
248
249	red_mask = (uint32_t)format->direct.redMask << format->direct.red;
250	green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
251	blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
252	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
253
254	int width_r = ecb_popcount32 (red_mask);
255	int width_g = ecb_popcount32 (green_mask);
256	int width_b = ecb_popcount32 (blue_mask);
257	int width_a = ecb_popcount32 (alpha_mask);
258
259	if (width_r > 8 \|\| width_g > 8 \|\| width_b > 8 \|\| width_a > 8)
260	return false;
261
262	int sh_r = ecb_ctz32 (red_mask);
263	int sh_g = ecb_ctz32 (green_mask);
264	int sh_b = ecb_ctz32 (blue_mask);
265	int sh_a = ecb_ctz32 (alpha_mask);
266
267	if (width > 32767 \|\| height > 32767)
268	return false;
269
270	XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
271	width, height, 32, 0);
272	if (!ximage)
273	return false;
274
275	if (height > INT_MAX / ximage->bytes_per_line
276	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))
277	{
278	XDestroyImage (ximage);
279	return false;
280	}
281
282	GC gc = XCreateGC (dpy, pm, 0, 0);
283
284	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
285
286	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
287	int channels = gdk_pixbuf_get_n_channels (pixbuf);
288	unsigned char row = gdk_pixbuf_get_pixels (pixbuf) + src_y rowstride + src_x * channels;
289	char *line = ximage->data;
290
291	rgba c (0, 0, 0);
292
293	if (channels == 4 && alpha_mask == 0)
294	{
295	//pix_colors[Color_bg].get (c);
296	//TODO
297	c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
298	c.r >>= 8;
299	c.g >>= 8;
300	c.b >>= 8;
301	}
302
303	for (int y = 0; y < height; y++)
304	{
305	for (int x = 0; x < width; x++)
306	{
307	unsigned char pixel = row + x channels;
308	uint32_t value;
309	unsigned char r, g, b, a;
310
311	if (channels == 4)
312	{
313	a = pixel[3];
314	r = (pixel[0] * a + c.r * (0xff - a)) / 0xff;
315	g = (pixel[1] * a + c.g * (0xff - a)) / 0xff;
316	b = (pixel[2] * a + c.b * (0xff - a)) / 0xff;
317	}
318	else
319	{
320	a = 0xff;
321	r = pixel[0];
322	g = pixel[1];
323	b = pixel[2];
324	}
325
326	value = ((r >> (8 - width_r)) << sh_r)
327	\| ((g >> (8 - width_g)) << sh_g)
328	\| ((b >> (8 - width_b)) << sh_b)
329	\| ((a >> (8 - width_a)) << sh_a);
330
331	if (ximage->bits_per_pixel == 32)
332	((uint32_t *)line)[x] = value;
333	else
334	XPutPixel (ximage, x, y, value);
335	}
336
337	row += rowstride;
338	line += ximage->bytes_per_line;
339	}
340
341	XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
342	XDestroyImage (ximage);
343	XFreeGC (dpy, gc);
344
345	return true;
346	}	379	}
347		380
348	rxvt_img *	381	rxvt_img *
349	rxvt_img::clone ()	382	rxvt_img::clone ()
350	{	383	{
351	rxvt_img *img = new rxvt_img (s, format, w, h);	384	return new rxvt_img (*this);
352
353	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
354	XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
355	XFreeGC (s->display->dpy, gc);
356
357	return img;
358	}	385	}
359		386
360	rxvt_img *	387	static XRenderPictFormat *
361	rxvt_img::sub_rect (int x, int y, int width, int height, int repeat)	388	find_alpha_format_for (Display dpy, XRenderPictFormat format)
362	{	389	{
363	rxvt_img *img = new rxvt_img (s, format, width, height);	390	if (format->direct.alphaMask)
		391	return format; // already has alpha
364		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 ))
		401	return f;
		402
		403	// should be a very good fallback
		404	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		405	}
		406
		407	rxvt_img *
		408	rxvt_img::reify ()
		409	{
		410	if (x == 0 && y == 0 && w == ref->w && h == ref->h)
		411	return clone ();
		412
365	Display *dpy = s->display->dpy;	413	Display *dpy = s->display->dpy;
366	XRenderPictureAttributes pa;	414
367	pa.repeat = repeat;	415	// add an alpha channel if...
368	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);	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 ();
369	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	424	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
370		425
		426	if (alpha)
		427	{
		428	XRenderColor rc = { 0, 0, 0, 0 };
		429	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
		430	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
		431	}
		432	else
371	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height);	433	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
372		434
373	XRenderFreePicture (dpy, src);
374	XRenderFreePicture (dpy, dst);	435	XRenderFreePicture (dpy, src);
		436	XRenderFreePicture (dpy, dst);
375		437
376	return img;	438	return img;
377	}	439	}
378		440
379	rxvt_img *	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)
		450	{
		451	img->w = width;
		452	img->h = height;
		453
		454	rxvt_img *img2 = img->reify ();
		455	delete img;
		456	img = img2;
		457	}
		458
		459	return img;
		460	}
		461
		462	rxvt_img *
380	rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat)	463	rxvt_img::transform (int new_width, int new_height, double matrix[9])
381	{	464	{
382	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 ();
383		467
384	Display *dpy = s->display->dpy;	468	Display *dpy = s->display->dpy;
385	XRenderPictureAttributes pa;	469	Picture src = src_picture ();
386	pa.repeat = repeat;
387	Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
388	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);	470	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
389		471
390	XTransform xfrm;	472	XTransform xfrm;
391		473
392	for (int i = 0; i < 3; ++i)	474	for (int i = 0; i < 3; ++i)
393	for (int j = 0; j < 3; ++j)	475	for (int j = 0; j < 3; ++j)
394	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	476	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
395		477
		478	#if 0
		479	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		480	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		481	#endif
		482
396	XRenderSetPictureFilter (dpy, src, "good", 0, 0);	483	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
397	XRenderSetPictureTransform (dpy, src, &xfrm);	484	XRenderSetPictureTransform (dpy, src, &xfrm);
398	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);
399		486
400	XRenderFreePicture (dpy, src);	487	XRenderFreePicture (dpy, src);
…		…
404	}	491	}
405		492
406	rxvt_img *	493	rxvt_img *
407	rxvt_img::scale (int new_width, int new_height)	494	rxvt_img::scale (int new_width, int new_height)
408	{	495	{
		496	if (w == new_width && h == new_height)
		497	return clone ();
		498
409	double matrix[9] = {	499	double matrix[9] = {
410	w / (double)new_width, 0, 0,	500	w / (double)new_width, 0, 0,
411	0, h / (double)new_height, 0,	501	0, h / (double)new_height, 0,
412	0, 0, 1	502	0, 0, 1
413	};	503	};
414		504
		505	int old_repeat_mode = repeat;
		506	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		507
415	return transform (new_width, new_height, matrix);	508	rxvt_img *img = transform (new_width, new_height, matrix);
416	}
417		509
		510	repeat = old_repeat_mode;
		511	img->repeat = repeat;
		512
		513	return img;
		514	}
		515
418	rxvt_img *	516	rxvt_img *
419	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat)	517	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
420	{	518	{
421	double s = sin (phi);	519	double s = sin (phi);
422	double c = cos (phi);	520	double c = cos (phi);
423		521
424	double matrix[9] = {	522	double matrix[9] = {
425	c, -s, -c * x + s * y + x,	523	c, -s, -c * x + s * y + x,
426	s, c, -s * x - c * y + y,	524	s, c, -s * x - c * y + y,
427	0, 0, 1	525	0, 0, 1
428	};	526	};
429		527
430	return transform (new_width, new_height, matrix, repeat);	528	return transform (new_width, new_height, matrix);
431	}	529	}
432		530
433	rxvt_img *	531	rxvt_img *
434	rxvt_img::convert_to (XRenderPictFormat *new_format)	532	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
435	{	533	{
		534	if (new_format == format)
		535	return clone ();
		536
436	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 ();
437		539
438	Display *dpy = s->display->dpy;	540	Display *dpy = s->display->dpy;
439	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	541	Picture src = src_picture ();
440	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;
441		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
442	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);
443		558
444	XRenderFreePicture (dpy, src);
445	XRenderFreePicture (dpy, dst);	559	XRenderFreePicture (dpy, src);
		560	XRenderFreePicture (dpy, dst);
446		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
447	return img;	588	return img2;
448	}	589	}
449		590
450	#endif	591	#endif
451		592

Diff Legend

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

Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.22 by sf-exg, Tue Jun 5 15:18:23 2012 UTC vs. Revision 1.64 by root, Fri Jun 8 21:33:32 2012 UTC

Diff Legend

Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.22 by sf-exg, Tue Jun 5 15:18:23 2012 UTC vs.
Revision 1.64 by root, Fri Jun 8 21:33:32 2012 UTC