[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 1.50 by root, Thu Jun 7 19:42:09 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 = LSBFirst; // maybe go for host byte order, because servers are usually local?
		83	xi.bitmap_unit = 32;
		84	xi.bitmap_bit_order = LSBFirst;
		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 = 0x000000ff;
		90	xi.green_mask = 0x0000ff00;
		91	xi.blue_mask = 0x00ff0000;
		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 *src = row;
		110	uint32_t dst = (uint32_t )line;
		111
		112	if (depth == 24)
		113	for (int x = 0; x < width; x++)
		114	{
		115	uint8_t r = *src++;
		116	uint8_t g = *src++;
		117	uint8_t b = *src++;
		118
		119	uint32_t v = r \| (g << 8) \| (b << 16);
		120
		121	if (ecb_big_endian ())
		122	v = ecb_bswap32 (v);
		123
		124	*dst++ = x;
		125	}
		126	else
		127	for (int x = 0; x < width; x++)
		128	{
		129	uint32_t v = (uint32_t )src; src += 4;
		130	v = ecb_big_endian () ? ecb_rotr32 (v, 8) : ecb_rotl32 (v, 8);
		131	*dst++ = ecb_bswap32 (v);
		132	}
		133
		134	row += rowstride;
		135	line += xi.bytes_per_line;
		136	}
		137
		138	rxvt_img *img = new rxvt_img (s, XRenderFindStandardFormat (dpy, depth == 24 ? PictStandardRGB24 : PictStandardARGB32), 0, 0, width, height);
		139	img->alloc ();
		140
		141	GC gc = XCreateGC (dpy, img->pm, 0, 0);
		142	XPutImage (dpy, img->pm, gc, &xi, 0, 0, 0, 0, width, height);
		143	XFreeGC (dpy, gc);
		144
		145	free (xi.data);
		146
		147	return img;
18	}	148	}
19		149
20	rxvt_img *	150	rxvt_img *
21	rxvt_img::new_from_file (rxvt_screen s, const char filename)	151	rxvt_img::new_from_file (rxvt_screen s, const char filename)
22	{	152	{
…		…
24	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);	154	GdkPixbuf *pb = gdk_pixbuf_new_from_file (filename, &err);
25		155
26	if (!pb)	156	if (!pb)
27	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);	157	rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28		158
29	rxvt_img *img = new rxvt_img (	159	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		160
36	img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);	161	g_object_unref (pb);
37		162
		163	return img;
		164	}
		165
		166	void
		167	rxvt_img::destroy ()
		168	{
		169	if (--ref->cnt)
38	return img;	170	return;
		171
		172	if (pm && ref->ours)
		173	XFreePixmap (s->display->dpy, pm);
		174
		175	delete ref;
39	}	176	}
40		177
41	rxvt_img::~rxvt_img ()	178	rxvt_img::~rxvt_img ()
42	{	179	{
43	if (!shared)	180	destroy ();
44	XFreePixmap (s->display->dpy, pm);	181	}
		182
		183	void
		184	rxvt_img::alloc ()
		185	{
		186	pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
		187	ref = new pixref (w, h);
		188	}
		189
		190	Picture
		191	rxvt_img::src_picture ()
		192	{
		193	Display *dpy = s->display->dpy;
		194
		195	XRenderPictureAttributes pa;
		196	pa.repeat = repeat;
		197	Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
		198
		199	return pic;
45	}	200	}
46		201
47	void	202	void
48	rxvt_img::unshare ()	203	rxvt_img::unshare ()
49	{	204	{
50	if (!shared)	205	if (ref->cnt == 1 && ref->ours)
51	return;	206	return;
52		207
53	rxvt_img *img = clone ();	208	//TODO: maybe should reify instead
		209	Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
		210	GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
		211	XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
		212	XFreeGC (s->display->dpy, gc);
54		213
55	::swap (pm , img->pm);	214	destroy ();
56	::swap (shared, img->shared);
57		215
58	delete img;	216	pm = pm2;
		217	ref = new pixref (ref->w, ref->h);
59	}	218	}
60		219
61	void	220	void
62	rxvt_img::fill (const rxvt_color &c)	221	rxvt_img::fill (const rxvt_color &c)
63	{	222	{
…		…
87		246
88	for (int i = 0; i < width; i++)	247	for (int i = 0; i < width; i++)
89	params[i+2] = XDoubleToFixed (kernel[i] / sum);	248	params[i+2] = XDoubleToFixed (kernel[i] / sum);
90	}	249	}
91		250
92	void	251	rxvt_img *
93	rxvt_img::blur (int rh, int rv)	252	rxvt_img::blur (int rh, int rv)
94	{	253	{
95	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))	254	if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96	return;	255	return clone ();
97		256
98	Display *dpy = s->display->dpy;	257	Display *dpy = s->display->dpy;
99	int size = max (rh, rv) * 2 + 1;	258	int size = max (rh, rv) * 2 + 1;
100	double kernel = (double )malloc (size * sizeof (double));	259	double kernel = (double )malloc (size * sizeof (double));
101	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));	260	XFixed params = (XFixed )malloc ((size + 2) * sizeof (XFixed));
		261	rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
		262	img->alloc ();
		263
		264	Picture src = src_picture ();
102		265
103	XRenderPictureAttributes pa;	266	XRenderPictureAttributes pa;
104
105	pa.repeat = RepeatPad;	267	pa.repeat = RepeatPad;
106	Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);	268	Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
		269
107	Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth);	270	Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108	Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa);	271	Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109	XFreePixmap (dpy, tmp);	272	XFreePixmap (dpy, tmp_pm);
110		273
111	if (kernel && params)	274	if (kernel && params)
112	{	275	{
113	size = rh * 2 + 1;	276	size = rh * 2 + 1;
114	get_gaussian_kernel (rh, size, kernel, params);	277	get_gaussian_kernel (rh, size, kernel, params);
…		…
116	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	279	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117	XRenderComposite (dpy,	280	XRenderComposite (dpy,
118	PictOpSrc,	281	PictOpSrc,
119	src,	282	src,
120	None,	283	None,
121	dst,	284	tmp,
122	0, 0,	285	0, 0,
123	0, 0,	286	0, 0,
124	0, 0,	287	0, 0,
125	w, h);	288	w, h);
126		289
127	::swap (src, dst);
128
129	size = rv * 2 + 1;	290	size = rv * 2 + 1;
130	get_gaussian_kernel (rv, size, kernel, params);	291	get_gaussian_kernel (rv, size, kernel, params);
131	::swap (params[0], params[1]);	292	::swap (params[0], params[1]);
132		293
133	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);	294	XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134	XRenderComposite (dpy,	295	XRenderComposite (dpy,
135	PictOpSrc,	296	PictOpSrc,
136	src,	297	tmp,
137	None,	298	None,
138	dst,	299	dst,
139	0, 0,	300	0, 0,
140	0, 0,	301	0, 0,
141	0, 0,	302	0, 0,
…		…
144		305
145	free (kernel);	306	free (kernel);
146	free (params);	307	free (params);
147	XRenderFreePicture (dpy, src);	308	XRenderFreePicture (dpy, src);
148	XRenderFreePicture (dpy, dst);	309	XRenderFreePicture (dpy, dst);
		310	XRenderFreePicture (dpy, tmp);
		311
		312	return img;
149	}	313	}
150		314
151	static Picture	315	static Picture
152	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)	316	create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153	{	317	{
…		…
162		326
163	return mask;	327	return mask;
164	}	328	}
165		329
166	void	330	void
167	rxvt_img::brightness (double r, double g, double b, double a)	331	rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168	{	332	{
169	Display *dpy = s->display->dpy;	333	Display *dpy = s->display->dpy;
170	Picture src = create_xrender_mask (dpy, pm, True);	334	Picture src = create_xrender_mask (dpy, pm, True);
171	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	335	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172		336
173	XRenderColor mask_c;	337	XRenderColor mask_c;
174	mask_c.red = float_to_component (r);	338	mask_c.red = r;
175	mask_c.green = float_to_component (g);	339	mask_c.green = g;
176	mask_c.blue = float_to_component (b);	340	mask_c.blue = b;
177	mask_c.alpha = float_to_component (a);	341	mask_c.alpha = a;
178	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	342	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179		343
180	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	344	XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
		345
		346	XRenderFreePicture (dpy, src);
		347	XRenderFreePicture (dpy, dst);
181	}	348	}
182		349
183	void	350	void
184	rxvt_img::contrast (double r, double g, double b, double a)	351	rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185	{	352	{
186	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))	353	if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187	return;	354	return;
188		355
189	Display *dpy = s->display->dpy;	356	Display *dpy = s->display->dpy;
190	Picture src = create_xrender_mask (dpy, pm, True);	357	Picture src = create_xrender_mask (dpy, pm, True);
191	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);	358	Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192		359
193	XRenderColor mask_c;	360	XRenderColor mask_c;
194	mask_c.red = float_to_component (r);	361	mask_c.red = r;
195	mask_c.green = float_to_component (g);	362	mask_c.green = g;
196	mask_c.blue = float_to_component (b);	363	mask_c.blue = b;
197	mask_c.alpha = float_to_component (a);	364	mask_c.alpha = a;
198	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);	365	XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199		366
200	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	367	XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201	}
202		368
203	bool	369	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)	370	XRenderFreePicture (dpy, dst);
205	{	371	}
206	Display *dpy = s->display->dpy;
207		372
208	if (s->visual->c_class != TrueColor)	373	rxvt_img *
		374	rxvt_img::clone ()
		375	{
		376	return new rxvt_img (*this);
		377	}
		378
		379	static XRenderPictFormat *
		380	find_alpha_format_for (Display dpy, XRenderPictFormat format)
		381	{
		382	if (format->direct.alphaMask)
		383	return format; // already has alpha
		384
		385	// try to find a suitable alpha format, one bit alpha is enough for our purposes
		386	if (format->type == PictTypeDirect)
		387	for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
		388	if (f->direct.alphaMask
		389	&& f->type == PictTypeDirect
		390	&& ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
		391	&& ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
		392	&& ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
209	return false;	393	return f;
210		394
211	uint32_t red_mask, green_mask, blue_mask, alpha_mask;	395	// should be a very good fallback
		396	return XRenderFindStandardFormat (dpy, PictStandardARGB32);
		397	}
212		398
213	red_mask = (uint32_t)format->direct.redMask << format->direct.red;	399	rxvt_img *
214	green_mask = (uint32_t)format->direct.greenMask << format->direct.green;	400	rxvt_img::reify ()
215	blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;	401	{
216	alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;	402	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;	403	return clone ();
225		404
226	int sh_r = ecb_ctz32 (red_mask);	405	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		406
231	if (width > 32767 \|\| height > 32767)	407	bool alpha = !format->direct.alphaMask
232	return false;	408	&& (x \|\| y)
		409	&& repeat == RepeatNone;
233		410
234	XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,	411	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);	412	img->alloc ();
236	if (!ximage)
237	return false;
238		413
239	if (height > INT_MAX / ximage->bytes_per_line	414	Picture src = src_picture ();
240	\|\| !(ximage->data = (char )malloc (height ximage->bytes_per_line)))	415	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
		416
		417	if (alpha)
241	{	418	{
242	XDestroyImage (ximage);	419	XRenderColor rc = { 0, 0, 0, 0 };
243	return false;	420	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
		421	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
244	}	422	}
		423	else
		424	XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
245		425
246	GC gc = XCreateGC (dpy, pm, 0, 0);	426	XRenderFreePicture (dpy, src);
		427	XRenderFreePicture (dpy, dst);
247		428
248	ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;	429	return img;
		430	}
249		431
250	int rowstride = gdk_pixbuf_get_rowstride (pixbuf);	432	rxvt_img *
251	int channels = gdk_pixbuf_get_n_channels (pixbuf);	433	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;	434	{
253	char *line = ximage->data;	435	rxvt_img *img = clone ();
254		436
255	rgba c (0, 0, 0);	437	img->x += x;
		438	img->y += y;
256		439
257	if (channels == 4 && alpha_mask == 0)	440	if (w != width \|\| h != height)
258	{	441	{
259	//pix_colors[Color_bg].get (c);	442	img->w = width;
260	//TODO	443	img->h = height;
261	c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D	444
262	c.r >>= 8;	445	rxvt_img *img2 = img->reify ();
263	c.g >>= 8;	446	delete img;
264	c.b >>= 8;	447	img = img2;
265	}	448	}
266		449
267	for (int y = 0; y < height; y++)	450	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	}	451	}
311		452
312	rxvt_img *	453	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])	454	rxvt_img::transform (int new_width, int new_height, double matrix[9])
324	{	455	{
325	rxvt_img *img = new rxvt_img (s, format, new_width, new_height);	456	rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
		457	img->alloc ();
326		458
327	Display *dpy = s->display->dpy;	459	Display *dpy = s->display->dpy;
328	XRenderPictureAttributes pa;	460	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);	461	Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
332		462
333	XTransform xfrm;	463	XTransform xfrm;
334		464
335	for (int i = 0; i < 3; ++i)	465	for (int i = 0; i < 3; ++i)
336	for (int j = 0; j < 3; ++j)	466	for (int j = 0; j < 3; ++j)
337	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);	467	xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
338		468
		469	#if 0
		470	xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
		471	xfrm.matrix [1][2] -= XDoubleToFixed (y);
		472	#endif
		473
339	XRenderSetPictureFilter (dpy, src, "good", 0, 0);	474	XRenderSetPictureFilter (dpy, src, "good", 0, 0);
340	XRenderSetPictureTransform (dpy, src, &xfrm);	475	XRenderSetPictureTransform (dpy, src, &xfrm);
341	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);	476	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
342		477
343	XRenderFreePicture (dpy, src);	478	XRenderFreePicture (dpy, src);
…		…
347	}	482	}
348		483
349	rxvt_img *	484	rxvt_img *
350	rxvt_img::scale (int new_width, int new_height)	485	rxvt_img::scale (int new_width, int new_height)
351	{	486	{
		487	if (w == new_width && h == new_height)
		488	return clone ();
		489
352	double matrix[9] = {	490	double matrix[9] = {
353	w / (double)new_width, 0, 0,	491	w / (double)new_width, 0, 0,
354	0, h / (double)new_height, 0,	492	0, h / (double)new_height, 0,
355	0, 0, 1	493	0, 0, 1
356	};	494	};
357		495
		496	int old_repeat_mode = repeat;
		497	repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
		498
358	return transform (new_width, new_height, RepeatNormal, matrix);	499	rxvt_img *img = transform (new_width, new_height, matrix);
359	}
360		500
		501	repeat = old_repeat_mode;
		502	img->repeat = repeat;
		503
		504	return img;
		505	}
		506
361	rxvt_img *	507	rxvt_img *
362	rxvt_img::rotate (int new_width, int new_height, int repeat, int x, int y, double phi)	508	rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
363	{	509	{
364	double s = sin (phi);	510	double s = sin (phi);
365	double c = cos (phi);	511	double c = cos (phi);
366		512
367	double matrix[9] = {	513	double matrix[9] = {
368	c, -s, -c * x + s * y + x,	514	c, -s, -c * x + s * y + x,
369	s, c, -s * x - c * y + y,	515	s, c, -s * x - c * y + y,
370	0, 0, 1	516	0, 0, 1
371	};	517	};
372		518
373	return transform (new_width, new_height, repeat, matrix);	519	return transform (new_width, new_height, matrix);
374	}	520	}
375		521
376	rxvt_img *	522	rxvt_img *
377	rxvt_img::convert_to (XRenderPictFormat *new_format)	523	rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
378	{	524	{
		525	if (new_format == format)
		526	return clone ();
		527
379	rxvt_img *img = new rxvt_img (s, new_format, w, h);	528	rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
		529	img->alloc ();
380		530
381	Display *dpy = s->display->dpy;	531	Display *dpy = s->display->dpy;
382	Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0);	532	Picture src = src_picture ();
383	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);	533	Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
		534	int op = PictOpSrc;
384		535
		536	if (format->direct.alphaMask && !new_format->direct.alphaMask)
		537	{
		538	// does it have to be that complicated
		539	rgba c;
		540	bg.get (c);
		541
		542	XRenderColor rc = { c.r, c.g, c.b, 0xffff };
		543	XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
		544
		545	op = PictOpOver;
		546	}
		547
385	XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);	548	XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
386		549
387	XRenderFreePicture (dpy, src);
388	XRenderFreePicture (dpy, dst);	550	XRenderFreePicture (dpy, src);
		551	XRenderFreePicture (dpy, dst);
389		552
		553	return img;
		554	}
		555
		556	rxvt_img *
		557	rxvt_img::blend (rxvt_img *img, double factor)
		558	{
		559	rxvt_img *img2 = clone ();
		560	Display *dpy = s->display->dpy;
		561	Picture src = img->src_picture ();
		562	Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
		563	Picture mask = create_xrender_mask (dpy, img->pm, False);
		564
		565	XRenderColor mask_c;
		566
		567	mask_c.alpha = float_to_component (factor);
		568	mask_c.red =
		569	mask_c.green =
		570	mask_c.blue = 0;
		571	XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
		572
		573	XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
		574
		575	XRenderFreePicture (dpy, src);
		576	XRenderFreePicture (dpy, dst);
		577	XRenderFreePicture (dpy, mask);
		578
390	return img;	579	return img2;
391	}	580	}
392		581
393	#endif	582	#endif
394		583

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Comparing rxvt-unicode/src/rxvtimg.C (file contents): Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs. Revision 1.50 by root, Thu Jun 7 19:42:09 2012 UTC

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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.18 by sf-exg, Tue Jun 5 12:30:37 2012 UTC vs.
Revision 1.50 by root, Thu Jun 7 19:42:09 2012 UTC