[ViewVC] Diff of: cvs/CV/CV.xs

Comparing CV/CV.xs (file contents):
Revision 1.21 by root, Sat Jul 23 03:25:51 2005 UTC vs.
Revision 1.60 by root, Thu Jul 15 00:41:44 2021 UTC

…		…
2	#include "perl.h"	2	#include "perl.h"
3	#include "XSUB.h"	3	#include "XSUB.h"
4		4
5	#include <string.h>	5	#include <string.h>
6	#include <setjmp.h>	6	#include <setjmp.h>
		7	#include <math.h>
		8
		9	#include <magic.h>
7		10
8	#include <jpeglib.h>	11	#include <jpeglib.h>
		12	#include <jerror.h>
		13
		14	#include <glib.h>
		15	#include <gtk/gtk.h>
		16	#include <gdk/gdkx.h>
9	#include <gdk-pixbuf/gdk-pixbuf.h>	17	#include <gdk-pixbuf/gdk-pixbuf.h>
10		18
11	#include <gperl.h>	19	#include <gperl.h>
12	#include <gtk2perl.h>	20	#include <gtk2perl.h>
13		21
		22	#include <assert.h>
		23
		24	#if WEBP
		25	#include <webp/demux.h>
		26	#include <webp/decode.h>
		27	#endif
		28
		29	#if JXL
		30	#include <jxl/decode.h>
		31	#include "jxl/thread_parallel_runner.h"
		32	#endif
		33
		34	#include "perlmulticore.h"
		35
14	#define IW 80 /* MUST match Schnauer.pm! */	36	#define IW 80 /* MUST match Schnauzer.pm! */
15	#define IH 60 /* MUST match Schnauer.pm! */	37	#define IH 60 /* MUST match Schnauzer.pm! */
16
17	#define RAND (seed = (seed + 7141) * 54773 % 134456)
18		38
19	#define LINELENGTH 240	39	#define LINELENGTH 240
20		40
21	#define ELLIPSIS "\xe2\x80\xa6"	41	#define ELLIPSIS "\xe2\x80\xa6"
		42
		43	typedef char *octet_string;
		44
		45	static magic_t magic_cookie[2]; /* !mime, mime */
22		46
23	struct jpg_err_mgr	47	struct jpg_err_mgr
24	{	48	{
25	struct jpeg_error_mgr err;	49	struct jpeg_error_mgr err;
26	jmp_buf setjmp_buffer;	50	jmp_buf setjmp_buffer;
27	};	51	};
28		52
29	static void	53	static void
30	cv_error_exit (j_common_ptr cinfo)	54	cv_error_exit (j_common_ptr cinfo)
31	{	55	{
		56	cinfo->err->output_message (cinfo);
32	longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99);	57	longjmp (((struct jpg_err_mgr *)cinfo->err)->setjmp_buffer, 99);
33	}	58	}
34		59
35	static void	60	static void
36	cv_error_output (j_common_ptr cinfo)	61	cv_error_output (j_common_ptr cinfo)
37	{	62	{
		63	char msg[JMSG_LENGTH_MAX];
		64
		65	cinfo->err->format_message (cinfo, msg);
		66
		67	fprintf (stderr, "JPEG decoding error: %s\n", msg);
38	return;	68	return;
39	}	69	}
40		70
41	static void	71	static void
42	rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b,	72	rgb_to_hsv (unsigned int r, unsigned int g, unsigned int b,
…		…
63		93
64	*h &= 255;	94	*h &= 255;
65	}	95	}
66	}	96	}
67		97
		98	struct feature {
		99	float v1, v2, v3; // mean, square, cube
		100	int n;
		101	};
		102
		103	static void
		104	feature_init (struct feature *f)
		105	{
		106	f->v1 = 0.;
		107	f->v2 = 0.;
		108	f->v3 = 0.;
		109	f->n = 0;
		110	}
		111
		112	// didn't find an algorithm to neatly do mean, variance and skew in one pass.
		113	// elmex ist schuld.
		114	static void
		115	feature_update_pass_1 (struct feature *f, unsigned int v)
		116	{
		117	f->v1 += v;
		118	f->n += 1;
		119	}
		120
		121	static void
		122	feature_finish_pass_1 (struct feature *f)
		123	{
		124	if (f->n < 1)
		125	return;
		126
		127	f->v1 /= f->n;
		128	}
		129
		130	static void
		131	feature_update_pass_2 (struct feature *f, unsigned int v)
		132	{
		133	float d = v - f->v1;
		134
		135	f->v2 += d * d;
		136	f->v3 += d * d * d;
		137	}
		138
		139	static void
		140	feature_finish_pass_2 (struct feature *f)
		141	{
		142	if (f->n < 1)
		143	return;
		144
		145	f->v2 /= f->n;
		146	f->v3 /= f->n;
		147
		148	f->v1 /= 255.;
		149	f->v2 /= 255. * 255.; f->v2 = sqrtf (f->v2);
		150	f->v3 /= 255. * 255. * 255.; f->v3 = powf (fabsf (f->v3), 1./3.);
		151	}
		152
68	static guint32 a85_val;	153	static guint32 a85_val;
69	static guint a85_cnt;	154	static guint a85_cnt;
70	static guchar a85_buf[LINELENGTH], *a85_ptr;	155	static guchar a85_buf[LINELENGTH], *a85_ptr;
71		156
72	static void	157	static void
…		…
84	if (!--a85_cnt)	169	if (!--a85_cnt)
85	{	170	{
86	a85_cnt = 4;	171	a85_cnt = 4;
87	if (a85_val)	172	if (a85_val)
88	{	173	{
89	a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85;	174	a85_ptr[4] = (a85_val % 85) + 33; a85_val /= 85;
90	a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85;	175	a85_ptr[3] = (a85_val % 85) + 33; a85_val /= 85;
91	a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85;	176	a85_ptr[2] = (a85_val % 85) + 33; a85_val /= 85;
92	a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85;	177	a85_ptr[1] = (a85_val % 85) + 33; a85_val /= 85;
93	a85_ptr[0] = (a85_val ) + 33;	178	a85_ptr[0] = (a85_val ) + 33;
94		179
95	a85_ptr += 5;	180	a85_ptr += 5;
96	}	181	}
…		…
119		204
120	PerlIO_write (fp, a85_buf, a85_ptr - a85_buf);	205	PerlIO_write (fp, a85_buf, a85_ptr - a85_buf);
121	}	206	}
122		207
123	/////////////////////////////////////////////////////////////////////////////	208	/////////////////////////////////////////////////////////////////////////////
		209	// memory source for libjpeg
		210
		211	static void cv_ms_init (j_decompress_ptr cinfo)
		212	{
		213	}
		214
		215	static void cv_ms_term (j_decompress_ptr cinfo)
		216	{
		217	}
		218
		219	static boolean cv_ms_fill (j_decompress_ptr cinfo)
		220	{
		221	// unexpected EOF, warn and generate fake EOI marker
		222
		223	WARNMS (cinfo, JWRN_JPEG_EOF);
		224
		225	struct jpeg_source_mgr src = (struct jpeg_source_mgr )cinfo->src;
		226
		227	static const JOCTET eoi[] = { 0xFF, JPEG_EOI };
		228
		229	src->next_input_byte = eoi;
		230	src->bytes_in_buffer = sizeof (eoi);
		231
		232	return TRUE;
		233	}
		234
		235	static void cv_ms_skip (j_decompress_ptr cinfo, long num_bytes)
		236	{
		237	struct jpeg_source_mgr src = (struct jpeg_source_mgr )cinfo->src;
		238
		239	src->next_input_byte += num_bytes;
		240	src->bytes_in_buffer -= num_bytes;
		241	}
		242
		243	static void cv_jpeg_mem_src (j_decompress_ptr cinfo, void *buf, size_t buflen)
		244	{
		245	struct jpeg_source_mgr *src;
		246
		247	if (!cinfo->src)
		248	cinfo->src = (struct jpeg_source_mgr *)
		249	(*cinfo->mem->alloc_small) (
		250	(j_common_ptr) cinfo, JPOOL_PERMANENT, sizeof (struct jpeg_source_mgr)
		251	);
		252
		253	src = (struct jpeg_source_mgr *)cinfo->src;
		254	src->init_source = cv_ms_init;
		255	src->fill_input_buffer = cv_ms_fill;
		256	src->skip_input_data = cv_ms_skip;
		257	src->resync_to_restart = jpeg_resync_to_restart;
		258	src->term_source = cv_ms_term;
		259	src->next_input_byte = (JOCTET *)buf;
		260	src->bytes_in_buffer = buflen;
		261	}
		262
		263	/////////////////////////////////////////////////////////////////////////////
		264
		265	/* great, the jpeg-xl reference implementaton requires us to parse bmff files */
		266
		267	struct bmff_box
		268	{
		269	char type[4];
		270	const uint8_t *ptr;
		271	size_t size;
		272	};
		273
		274	static int
		275	bmff_parse_box (struct bmff_box box, const uint8_t next_in, size_t avail_in)
		276	{
		277	if (*avail_in < 8)
		278	return 0;
		279
		280	box->size = ((*next_in)[0] << 24)
		281	\| ((*next_in)[1] << 16)
		282	\| ((*next_in)[2] << 8)
		283	\| ((*next_in)[3] );
		284
		285	if (box->size < 8)
		286	return 0;
		287
		288	if (*avail_in < box->size)
		289	return 0;
		290
		291	memcpy (box->type, *next_in + 4, 4);
		292	box->ptr = *next_in + 8;
		293
		294	*next_in += box->size;
		295	*avail_in -= box->size;
		296
		297	box->size -= 8;
		298
		299	return 1;
		300	}
		301
		302	/////////////////////////////////////////////////////////////////////////////
124		303
125	MODULE = Gtk2::CV PACKAGE = Gtk2::CV	304	MODULE = Gtk2::CV PACKAGE = Gtk2::CV
126		305
127	PROTOTYPES: ENABLE	306	PROTOTYPES: ENABLE
128		307
		308	# calculate the common prefix length of two strings
		309	# missing function in perl. really :)
		310	int
		311	common_prefix_length (a, b)
		312	unsigned char a = (unsigned char )SvPVutf8_nolen ($arg);
		313	unsigned char b = (unsigned char )SvPVutf8_nolen ($arg);
		314	CODE:
		315	RETVAL = 0;
		316
		317	while (a == b && *a)
		318	{
		319	RETVAL += (*a & 0xc0) != 0x80;
		320	a++, b++;
		321	}
		322
		323	OUTPUT:
		324	RETVAL
		325
		326	const char *
		327	magic (SV *path_or_data)
		328	ALIAS:
		329	magic = 0
		330	magic_mime = 1
		331	magic_buffer = 2
		332	magic_buffer_mime = 3
		333	CODE:
		334	{
		335	STRLEN len;
		336	char *data = SvPVbyte (path_or_data, len);
		337
		338	if (!magic_cookie[0])
		339	{
		340	magic_cookie[0] = magic_open (MAGIC_SYMLINK);
		341	magic_cookie[1] = magic_open (MAGIC_SYMLINK \| MAGIC_MIME_TYPE);
		342	magic_load (magic_cookie[0], 0);
		343	magic_load (magic_cookie[1], 0);
		344	}
		345
		346	perlinterp_release ();
		347
		348	RETVAL = ix & 2
		349	? magic_buffer (magic_cookie[ix & 1], data, len)
		350	: magic_file (magic_cookie[ix & 1], data);
		351
		352	perlinterp_acquire ();
		353	}
		354	OUTPUT:
		355	RETVAL
		356
		357	# missing/broken in Gtk2 perl module
		358
		359	void
		360	gdk_window_clear_hints (GdkWindow *window)
		361	CODE:
		362	gdk_window_set_geometry_hints (window, 0, 0);
		363
		364	gboolean
		365	gdk_net_wm_supports (GdkAtom property)
		366	CODE:
		367	#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE)
		368	RETVAL = gdk_net_wm_supports (property);
		369	#else
		370	RETVAL = 0;
		371	#endif
		372	OUTPUT:
		373	RETVAL
		374
129	GdkPixbuf_noinc *	375	GdkPixbuf_noinc *
130	transpose (GdkPixbuf *pb)	376	dealpha_expose (GdkPixbuf *pb)
131	CODE:	377	CODE:
		378	perlinterp_release ();
132	{	379	{
133	int w = gdk_pixbuf_get_width (pb);	380	int w = gdk_pixbuf_get_width (pb);
134	int h = gdk_pixbuf_get_height (pb);	381	int h = gdk_pixbuf_get_height (pb);
135	int bpp = gdk_pixbuf_get_n_channels (pb);	382	int bpp = gdk_pixbuf_get_n_channels (pb);
136	int x, y, i;	383	int x, y, i;
137	guchar src = gdk_pixbuf_get_pixels (pb), dst;	384	guchar src = gdk_pixbuf_get_pixels (pb), dst;
138	int sstr = gdk_pixbuf_get_rowstride (pb), dstr;	385	int sstr = gdk_pixbuf_get_rowstride (pb), dstr;
139		386
140	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w);	387	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
141		388
142	dst = gdk_pixbuf_get_pixels (RETVAL);	389	dst = gdk_pixbuf_get_pixels (RETVAL);
143	dstr = gdk_pixbuf_get_rowstride (RETVAL);	390	dstr = gdk_pixbuf_get_rowstride (RETVAL);
144		391
145	for (y = 0; y < h; y++)
146	for (x = 0; x < w; x++)	392	for (x = 0; x < w; x++)
		393	for (y = 0; y < h; y++)
147	for (i = 0; i < bpp; i++)	394	for (i = 0; i < 3; i++)
148	dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i];	395	dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i];
149	}	396	}
		397	perlinterp_acquire ();
150	OUTPUT:	398	OUTPUT:
151	RETVAL	399	RETVAL
152		400
153	GdkPixbuf_noinc *	401	GdkPixbuf_noinc *
154	flop (GdkPixbuf *pb)	402	rotate (GdkPixbuf *pb, int angle)
155	CODE:	403	CODE:
156	{	404	perlinterp_release ();
157	int w = gdk_pixbuf_get_width (pb);	405	if (angle < 0)
158	int h = gdk_pixbuf_get_height (pb);	406	angle += 360;
159	int bpp = gdk_pixbuf_get_n_channels (pb);	407	RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE
160	int x, y, i;	408	: angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE
161	guchar src = gdk_pixbuf_get_pixels (pb), dst;	409	: angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN
162	int sstr = gdk_pixbuf_get_rowstride (pb), dstr;	410	: angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE
163		411	: angle);
164	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h);	412	perlinterp_acquire ();
165
166	dst = gdk_pixbuf_get_pixels (RETVAL);
167	dstr = gdk_pixbuf_get_rowstride (RETVAL);
168
169	for (y = 0; y < h; y++)
170	for (x = 0; x < w; x++)
171	for (i = 0; i < bpp; i++)
172	dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i];
173	}
174	OUTPUT:	413	OUTPUT:
175	RETVAL	414	RETVAL
176		415
		416	const char *
		417	filetype (SV *image_data)
		418	CODE:
		419	{
		420	STRLEN data_len;
		421	U8 *data = SvPVbyte (image_data, data_len);
		422	static const unsigned char jxl_header[] = {
		423	0, 0, 0, 0x0c, 0x4a, 0x58, 0x4c, 0x20,
		424	0x0d, 0xa, 0x87, 0x0a, 0, 0, 0, 0x14,
		425	0x66, 0x74, 0x79, 0x70, 0x6a, 0x78, 0x6c, 0x20,
		426	0, 0, 0, 0, 0x6a, 0x78, 0x6c, 0x20,
		427	};
		428
		429	if (data_len >= 20
		430	&& data[0] == 0xff
		431	&& data[1] == 0xd8
		432	&& data[2] == 0xff)
		433	RETVAL = "image/jpeg";
		434	else if (data_len >= 12
		435	&& data[ 0] == (U8)'R'
		436	&& data[ 1] == (U8)'I'
		437	&& data[ 2] == (U8)'F'
		438	&& data[ 3] == (U8)'F'
		439	&& data[ 8] == (U8)'W'
		440	&& data[ 9] == (U8)'E'
		441	&& data[10] == (U8)'B'
		442	&& data[11] == (U8)'P')
		443	RETVAL = "image/webp";
		444	else if (data_len >= 16
		445	&& data[ 0] == 0x89
		446	&& data[ 1] == (U8)'P'
		447	&& data[ 2] == (U8)'N'
		448	&& data[ 3] == (U8)'G'
		449	&& data[ 4] == 0x0d
		450	&& data[ 5] == 0x0a
		451	&& data[ 6] == 0x1a
		452	&& data[ 7] == 0x0a)
		453	RETVAL = "image/png";
		454	else if (data_len >= sizeof (jxl_header) && memcmp (data, jxl_header, sizeof (jxl_header)) == 0)
		455	RETVAL = "image/jxl";
		456	else
		457	XSRETURN_UNDEF;
		458	}
		459	OUTPUT:
		460	RETVAL
		461
177	GdkPixbuf_noinc *	462	GdkPixbuf_noinc *
178	load_jpeg (char *path, int thumbnail=0)	463	decode_webp (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0)
		464	CODE:
		465	{
		466	#if WEBP
		467	STRLEN data_size;
		468	int alpha;
		469	WebPData data;
		470	WebPDemuxer *demux;
		471	WebPIterator iter;
		472	WebPDecoderConfig config;
		473	int inw, inh;
		474
		475	data.bytes = (uint8_t *)SvPVbyte (image_data, data_size);
		476	data.size = data_size;
		477
		478	perlinterp_release ();
		479
		480	RETVAL = 0;
		481
		482	if (!(demux = WebPDemux (&data)))
		483	goto err_demux;
		484
		485	if (!WebPDemuxGetFrame (demux, 1, &iter))
		486	goto err_iter;
		487
		488	if (!WebPInitDecoderConfig (&config))
		489	goto err_iter;
		490
		491	config.options.use_threads = 1;
		492
		493	if (WebPGetFeatures (iter.fragment.bytes, iter.fragment.size, &config.input) != VP8_STATUS_OK)
		494	goto err_iter;
		495
		496	inw = config.input.width;
		497	inh = config.input.height;
		498
		499	if (thumbnail)
		500	{
		501	if (inw * ih > inh * iw)
		502	ih = (iw * inh + inw - 1) / inw;
		503	else
		504	iw = (ih * inw + inh - 1) / inh;
		505
		506	config.options.bypass_filtering = 1;
		507	config.options.no_fancy_upsampling = 1;
		508
		509	config.options.use_scaling = 1;
		510	config.options.scaled_width = iw;
		511	config.options.scaled_height = ih;
		512	}
		513	else
		514	{
		515	iw = inw;
		516	ih = inh;
		517	}
		518
		519	alpha = !!config.input.has_alpha;
		520
		521	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, alpha, 8, iw, ih);
		522	if (!RETVAL)
		523	goto err_iter;
		524
		525	config.output.colorspace = alpha ? MODE_RGBA : MODE_RGB;
		526	config.output.u.RGBA.rgba = gdk_pixbuf_get_pixels (RETVAL);
		527	config.output.u.RGBA.stride = gdk_pixbuf_get_rowstride (RETVAL);
		528	config.output.u.RGBA.size = gdk_pixbuf_get_byte_length (RETVAL);
		529	config.output.is_external_memory = 1;
		530
		531	if (WebPDecode (iter.fragment.bytes, iter.fragment.size, &config) != VP8_STATUS_OK)
		532	{
		533	g_object_unref (RETVAL);
		534	RETVAL = 0;
		535	goto err_iter;
		536	}
		537
		538	err_iter:
		539	WebPDemuxReleaseIterator (&iter);
		540	err_demux:
		541	WebPDemuxDelete (demux);
		542
		543	perlinterp_acquire ();
		544	#else
		545	croak ("load_webp: webp not enabled at compile time");
		546	#endif
		547	}
		548	OUTPUT:
		549	RETVAL
		550
		551	GdkPixbuf_noinc *
		552	decode_jxl (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0)
		553	CODE:
		554	{
		555	#if JXL
		556	JxlDecoder *dec = JxlDecoderCreate (0);
		557	JxlBasicInfo info;
		558	const uint8_t next_in = (uint8_t )SvPVbyte_nolen (image_data);
		559	size_t avail_in = SvCUR (image_data);
		560	const char *error = 0;
		561	void *runner = 0;
		562	struct bmff_box box;
		563
		564	perlinterp_release ();
		565
		566	RETVAL = 0;
		567
		568	error = "JxlDecoderCreate failed";
		569	if (!dec)
		570	goto done;
		571
		572	runner = JxlThreadParallelRunnerCreate (0, JxlThreadParallelRunnerDefaultNumWorkerThreads ());
		573
		574	error = "JxlDecoderSetParallelRunner failed";
		575	if (JxlDecoderSetParallelRunner (dec, JxlThreadParallelRunner, runner) != JXL_DEC_SUCCESS)
		576	goto done;
		577
		578	error = "JxlDecoderSubscribeEvents failed";
		579	if (JxlDecoderSubscribeEvents (dec, JXL_DEC_FULL_IMAGE \| JXL_DEC_BASIC_INFO) != JXL_DEC_SUCCESS)
		580	goto done;
		581
		582	error = "JxlDecoderSetInput failed";
		583	if (JxlDecoderSetInput (dec, next_in, avail_in) != JXL_DEC_SUCCESS)
		584	goto done;
		585
		586	for (;;)
		587	{
		588	JxlDecoderStatus status = JxlDecoderProcessInput (dec);
		589
		590	printf ("status %d\n",status);
		591
		592	switch (status)
		593	{
		594	case JXL_DEC_ERROR:
		595	error = "JxlDecoderProcessInput failed";
		596	goto done;
		597
		598	case JXL_DEC_NEED_MORE_INPUT:
		599	error = "incomplete file";
		600	goto done;
		601
		602	case JXL_DEC_SUCCESS:
		603	goto done;
		604
		605	case JXL_DEC_NEED_IMAGE_OUT_BUFFER:
		606	{
		607	error = "JxlDecoderGetBasicInfo failed";
		608	if (JxlDecoderGetBasicInfo (dec, &info) != JXL_DEC_SUCCESS)
		609	goto done;
		610
		611	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, !!info.alpha_bits, 8, info.xsize, info.ysize);
		612	error = "unable to allocate pixbuf";
		613	if (!RETVAL)
		614	goto done;
		615
		616	JxlPixelFormat format = {
		617	info.alpha_bits ? 4 : 3,
		618	JXL_TYPE_UINT8,
		619	JXL_NATIVE_ENDIAN,
		620	gdk_pixbuf_get_rowstride (RETVAL)
		621	};
		622
		623	error = "JxlDecoderSetImageOutBuffer failed";
		624	if (JxlDecoderSetImageOutBuffer (
		625	dec,
		626	&format,
		627	gdk_pixbuf_get_pixels (RETVAL),
		628	gdk_pixbuf_get_byte_length (RETVAL)
		629	) != JXL_DEC_SUCCESS)
		630	goto done;
		631	}
		632	break;
		633
		634	default:
		635	error = "unexpected event";
		636	goto done;
		637	}
		638	}
		639
		640	done:
		641	if (dec)
		642	JxlDecoderDestroy (dec);
		643
		644	if (runner)
		645	JxlThreadParallelRunnerDestroy (runner);
		646
		647	perlinterp_acquire ();
		648
		649	if (error)
		650	{
		651	if (RETVAL)
		652	g_object_unref (RETVAL);
		653
		654	croak ("load_jxl: %s", error);
		655	}
		656	#else
		657	croak ("load_jxl: jpeg-xl not enabled at compile time");
		658	#endif
		659	}
		660	OUTPUT:
		661	RETVAL
		662
		663	GdkPixbuf_noinc *
		664	decode_jpeg (SV *image_data, int thumbnail = 0, int iw = 0, int ih = 0)
179	CODE:	665	CODE:
180	{	666	{
181	struct jpeg_decompress_struct cinfo;	667	struct jpeg_decompress_struct cinfo;
182	struct jpg_err_mgr jerr;	668	struct jpg_err_mgr jerr;
183	guchar *data;
184	int rs;	669	int rs;
185	FILE *fp;
186	volatile GdkPixbuf *pb = 0;	670	volatile GdkPixbuf *pb = 0;
		671	STRLEN data_len;
		672	guchar *data = SvPVbyte (image_data, data_len);
		673
187	RETVAL = 0;	674	RETVAL = 0;
188		675
189	if (!(fp = fopen (path, "rb")))	676	perlinterp_release ();
190	XSRETURN_UNDEF;
191		677
192	cinfo.err = jpeg_std_error (&jerr.err);	678	cinfo.err = jpeg_std_error (&jerr.err);
193		679
194	jerr.err.error_exit = cv_error_exit;	680	jerr.err.error_exit = cv_error_exit;
195	jerr.err.output_message = cv_error_output;	681	jerr.err.output_message = cv_error_output;
196		682
197	if ((rs = setjmp (jerr.setjmp_buffer)))	683	if ((rs = setjmp (jerr.setjmp_buffer)))
198	{	684	{
199	fclose (fp);
200	jpeg_destroy_decompress (&cinfo);	685	jpeg_destroy_decompress (&cinfo);
201		686
202	if (pb)	687	if (pb)
203	g_object_unref ((gpointer)pb);	688	g_object_unref ((gpointer)pb);
204		689
		690	perlinterp_acquire ();
205	XSRETURN_UNDEF;	691	XSRETURN_UNDEF;
206	}	692	}
207		693
		694	if (!data_len)
		695	longjmp (jerr.setjmp_buffer, 4);
		696
208	jpeg_create_decompress (&cinfo);	697	jpeg_create_decompress (&cinfo);
		698	cv_jpeg_mem_src (&cinfo, data, data_len);
209		699
210	jpeg_stdio_src (&cinfo, fp);
211	jpeg_read_header (&cinfo, TRUE);	700	jpeg_read_header (&cinfo, TRUE);
212		701
213	cinfo.dct_method = JDCT_DEFAULT;	702	cinfo.dct_method = JDCT_DEFAULT;
214	cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */	703	cinfo.do_fancy_upsampling = FALSE; /* worse quality, but nobody compained so far, and gdk-pixbuf does the same */
215	cinfo.do_block_smoothing = FALSE;	704	cinfo.do_block_smoothing = FALSE;
…		…
225	{	714	{
226	cinfo.dct_method = JDCT_FASTEST;	715	cinfo.dct_method = JDCT_FASTEST;
227	cinfo.do_fancy_upsampling = FALSE;	716	cinfo.do_fancy_upsampling = FALSE;
228		717
229	while (cinfo.scale_denom < 8	718	while (cinfo.scale_denom < 8
230	&& cinfo.output_width >= IW*4	719	&& cinfo.output_width >= iw*4
231	&& cinfo.output_height >= IH*4)	720	&& cinfo.output_height >= ih*4)
232	{	721	{
233	cinfo.scale_denom <<= 1;	722	cinfo.scale_denom <<= 1;
234	jpeg_calc_output_dimensions (&cinfo);	723	jpeg_calc_output_dimensions (&cinfo);
235	}	724	}
236	}	725	}
237		726
		727	if (cinfo.output_components != 3)
		728	longjmp (jerr.setjmp_buffer, 3);
		729
		730	if (cinfo.jpeg_color_space == JCS_YCCK \|\| cinfo.jpeg_color_space == JCS_CMYK)
		731	{
		732	cinfo.out_color_space = JCS_CMYK;
		733	cinfo.output_components = 4;
		734	}
		735
238	pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, cinfo.output_width, cinfo.output_height);	736	pb = RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, cinfo.output_components == 4, 8, cinfo.output_width, cinfo.output_height);
239	if (!RETVAL)	737	if (!RETVAL)
240	longjmp (jerr.setjmp_buffer, 2);	738	longjmp (jerr.setjmp_buffer, 2);
241		739
242	data = gdk_pixbuf_get_pixels (RETVAL);	740	data = gdk_pixbuf_get_pixels (RETVAL);
243	rs = gdk_pixbuf_get_rowstride (RETVAL);	741	rs = gdk_pixbuf_get_rowstride (RETVAL);
244
245	if (cinfo.output_components != 3)
246	longjmp (jerr.setjmp_buffer, 3);
247		742
248	jpeg_start_decompress (&cinfo);	743	jpeg_start_decompress (&cinfo);
249		744
250	while (cinfo.output_scanline < cinfo.output_height)	745	while (cinfo.output_scanline < cinfo.output_height)
251	{	746	{
…		…
258	rp [3] = (guchar *)rp [2] + rs;	753	rp [3] = (guchar *)rp [2] + rs;
259		754
260	jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4);	755	jpeg_read_scanlines (&cinfo, rp, remaining < 4 ? remaining : 4);
261	}	756	}
262		757
		758	if (cinfo.out_color_space == JCS_CMYK)
		759	{
		760	guchar end = data + cinfo.output_height rs;
		761
		762	while (data < end)
		763	{
		764	U32 c = data [0];
		765	U32 m = data [1];
		766	U32 y = data [2];
		767	U32 k = data [3];
		768
		769	if (0)
		770	if (cinfo.Adobe_transform == 2)
		771	{
		772	c ^= 0xff;
		773	m ^= 0xff;
		774	y ^= 0xff;
		775	k ^= 0xff;
		776	}
		777
		778	data [0] = (c * k + 0x80) / 0xff;
		779	data [1] = (m * k + 0x80) / 0xff;
		780	data [2] = (y * k + 0x80) / 0xff;
		781	data [3] = 0xff;
		782
		783	data += 4;
		784	}
		785	}
		786
263	jpeg_finish_decompress (&cinfo);	787	jpeg_finish_decompress (&cinfo);
264	fclose (fp);
265	jpeg_destroy_decompress (&cinfo);	788	jpeg_destroy_decompress (&cinfo);
		789	perlinterp_acquire ();
266	}	790	}
267	OUTPUT:	791	OUTPUT:
268	RETVAL	792	RETVAL
269		793
		794	void
		795	compare (GdkPixbuf a, GdkPixbuf b)
		796	PPCODE:
		797	perlinterp_release ();
		798	{
		799	int w = gdk_pixbuf_get_width (a);
		800	int h = gdk_pixbuf_get_height (a);
		801
		802	int sa = gdk_pixbuf_get_rowstride (a);
		803	int sb = gdk_pixbuf_get_rowstride (b);
		804
		805	guchar *pa = gdk_pixbuf_get_pixels (a);
		806	guchar *pb = gdk_pixbuf_get_pixels (b);
		807
		808	int x, y;
		809
		810	assert (w == gdk_pixbuf_get_width (b));
		811	assert (h == gdk_pixbuf_get_height (b));
		812
		813	assert (gdk_pixbuf_get_n_channels (a) == 3);
		814	assert (gdk_pixbuf_get_n_channels (b) == 3);
		815
		816	double diff = 0.;
		817	int peak = 0;
		818
		819	if (w && h)
		820	for (y = 0; y < h; y++)
		821	{
		822	guchar pa_ = pa + y sa;
		823	guchar pb_ = pb + y sb;
		824
		825	for (x = 0; x < w; x++)
		826	{
		827	int d;
		828
		829	d = ((int)pa_++) - ((int)pb_++); diff += d*d; peak = MAX (peak, abs (d));
		830	d = ((int)pa_++) - ((int)pb_++); diff += d*d; peak = MAX (peak, abs (d));
		831	d = ((int)pa_++) - ((int)pb_++); diff += d*d; peak = MAX (peak, abs (d));
		832	}
		833	}
		834
		835	perlinterp_acquire ();
		836
		837	EXTEND (SP, 2);
		838	PUSHs (sv_2mortal (newSVnv (sqrt (diff / (w * h * 3. * 255. * 255.)))));
		839	PUSHs (sv_2mortal (newSVnv (peak / 255.)));
		840	}
		841
270	#############################################################################	842	#############################################################################
271		843
272	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer	844	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
		845
		846	# currently only works for filenames (octet strings)
273		847
274	SV *	848	SV *
275	foldcase (SV *pathsv)	849	foldcase (SV *pathsv)
276	PROTOTYPE: $	850	PROTOTYPE: $
277	CODE:	851	CODE:
278	{	852	{
279	STRLEN plen;	853	STRLEN plen;
280	U8 *path = SvPVutf8 (pathsv, plen);	854	U8 path = (U8 )SvPV (pathsv, plen);
281	U8 *pend = path + plen;	855	U8 *pend = path + plen;
282	U8 dst [plen * 6 * 3], *dstp = dst;	856	U8 dst [plen * 8 * 3], *dstp = dst;
283		857
284	while (path < pend)	858	while (path < pend)
285	{	859	{
286	U8 ch = *path;	860	U8 ch = *path;
287		861
288	if (ch >= 'a' && ch <= 'z')	862	if (ch >= 'a' && ch <= 'z')
289	dstp++ = path++;	863	dstp++ = path++;
		864	else if (ch >= 'A' && ch <= 'Z')
		865	dstp++ = path++ + ('a' - 'A');
290	else if (ch >= '0' && ch <= '9')	866	else if (ch >= '0' && ch <= '9')
291	{	867	{
		868	/* version sort, up to 8 digits */
292	STRLEN el, nl = 0;	869	STRLEN el, nl = 0;
293	while (path >= '0' && path <= '9' && path < pend)	870	while (path >= '0' && path <= '9' && path < pend)
294	path++, nl++;	871	path++, nl++;
295		872
296	for (el = nl; el < 6; el++)	873	for (el = nl; el < 8; el++)
297	*dstp++ = '0';	874	*dstp++ = '0';
298		875
299	memcpy (dstp, path - nl, nl);	876	memcpy (dstp, path - nl, nl);
300	dstp += nl;	877	dstp += nl;
301	}	878	}
		879	else
		880	dstp++ = path++;
		881	#if 0
302	else	882	else
303	{	883	{
304	STRLEN cl;	884	STRLEN cl;
305	to_utf8_fold (path, dstp, &cl);	885	to_utf8_fold (path, dstp, &cl);
306	dstp += cl;	886	dstp += cl;
307	path += is_utf8_char (path);	887	path += is_utf8_char (path);
308	}	888	}
		889	#endif
309	}	890	}
310		891
311	RETVAL = newSVpvn (dst, dstp - dst);	892	RETVAL = newSVpvn ((const char *)dst, dstp - dst);
312	}	893	}
313	OUTPUT:	894	OUTPUT:
314	RETVAL	895	RETVAL
315		896
316	GdkPixbuf_noinc *	897	GdkPixbuf_noinc *
317	p7_to_pb (int w, int h, guchar *src)	898	p7_to_pb (int w, int h, SV *src_sv)
318	PROTOTYPE: @	899	PROTOTYPE: @
319	CODE:	900	CODE:
320	{	901	{
321	int x, y;	902	int x, y;
322	guchar dst, d;	903	guchar dst, d;
323	int dstr;	904	int dstr;
		905	guchar src = (guchar )SvPVbyte_nolen (src_sv);
324		906
325	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);	907	RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h);
326	dst = gdk_pixbuf_get_pixels (RETVAL);	908	dst = gdk_pixbuf_get_pixels (RETVAL);
327	dstr = gdk_pixbuf_get_rowstride (RETVAL);	909	dstr = gdk_pixbuf_get_rowstride (RETVAL);
328		910
…		…
337	}	919	}
338	}	920	}
339	OUTPUT:	921	OUTPUT:
340	RETVAL	922	RETVAL
341		923
		924	#############################################################################
		925
		926	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
		927
		928	void
		929	dump_ascii85 (PerlIO fp, GdkPixbuf pb)
		930	CODE:
		931	{
		932	int w = gdk_pixbuf_get_width (pb);
		933	int h = gdk_pixbuf_get_height (pb);
		934	int x, y, i;
		935	guchar *dst;
		936	int bpp = gdk_pixbuf_get_n_channels (pb);
		937	guchar *src = gdk_pixbuf_get_pixels (pb);
		938	int sstr = gdk_pixbuf_get_rowstride (pb);
		939
		940	a85_init ();
		941
		942	for (y = 0; y < h; y++)
		943	for (x = 0; x < w; x++)
		944	for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
		945	a85_push (fp, src [x * bpp + y * sstr + i]);
		946
		947	a85_finish (fp);
		948	}
		949
		950	void
		951	dump_binary (PerlIO fp, GdkPixbuf pb)
		952	CODE:
		953	{
		954	int w = gdk_pixbuf_get_width (pb);
		955	int h = gdk_pixbuf_get_height (pb);
		956	int x, y, i;
		957	guchar *dst;
		958	int bpp = gdk_pixbuf_get_n_channels (pb);
		959	guchar *src = gdk_pixbuf_get_pixels (pb);
		960	int sstr = gdk_pixbuf_get_rowstride (pb);
		961
		962	for (y = 0; y < h; y++)
		963	for (x = 0; x < w; x++)
		964	for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
		965	PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
		966	}
		967
		968	#############################################################################
		969
		970	MODULE = Gtk2::CV PACKAGE = Gtk2::CV
		971
342	SV *	972	SV *
343	pb_to_p7 (GdkPixbuf *pb)	973	pb_to_hv84 (GdkPixbuf *pb)
344	CODE:	974	CODE:
345	{	975	{
346	int w = gdk_pixbuf_get_width (pb);	976	int w = gdk_pixbuf_get_width (pb);
347	int h = gdk_pixbuf_get_height (pb);	977	int h = gdk_pixbuf_get_height (pb);
348	int x, y;	978	int x, y;
349	guchar *dst;	979	guchar *dst;
350	int bpp = gdk_pixbuf_get_n_channels (pb);	980	int bpp = gdk_pixbuf_get_n_channels (pb);
351	guchar *src = gdk_pixbuf_get_pixels (pb);	981	guchar *src = gdk_pixbuf_get_pixels (pb);
352	int sstr = gdk_pixbuf_get_rowstride (pb);	982	int sstr = gdk_pixbuf_get_rowstride (pb);
353	int Er[IW], Eg[IW], Eb[IW];
354	int seed = 77;
355
356	RETVAL = newSV (w * h);
357	SvPOK_only (RETVAL);
358	SvCUR_set (RETVAL, w * h);
359
360	dst = SvPVX (RETVAL);
361
362	memset (Er, 0, sizeof (int) * IW);
363	memset (Eg, 0, sizeof (int) * IW);
364	memset (Eb, 0, sizeof (int) * IW);
365
366	/* some primitive error distribution + random dithering */
367
368	for (y = 0; y < h; y++)
369	{
370	int er = 0, eg = 0, eb = 0;
371
372	for (x = 0; x < w; x++)
373	{
374	int r, g, b;
375	guchar p = src + x bpp + y * sstr;
376
377	r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255;
378	g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255;
379	b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255;
380
381	r = r > 7 ? 7 : r < 0 ? 0 : r;
382	g = g > 7 ? 7 : g < 0 ? 0 : g;
383	b = b > 3 ? 3 : b < 0 ? 0 : b;
384
385	er += p[0] - (r * 255 + 4) / 7;
386	eg += p[1] - (g * 255 + 4) / 7;
387	eb += p[2] - (b * 255 + 2) / 3;
388
389	Er[x] = er >> 1; er -= (er + 1) >> 1;
390	Eg[x] = eg >> 1; eg -= (eg + 1) >> 1;
391	Eb[x] = eb >> 1; eb -= (eb + 1) >> 1;
392
393	*dst++ = r << 5 \| g << 2 \| b;
394	}
395	}
396	}
397	OUTPUT:
398	RETVAL
399
400	#############################################################################
401
402	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
403
404	void
405	dump_ascii85 (PerlIO fp, GdkPixbuf pb)
406	CODE:
407	{
408	int w = gdk_pixbuf_get_width (pb);
409	int h = gdk_pixbuf_get_height (pb);
410	int x, y, i;
411	guchar *dst;
412	int bpp = gdk_pixbuf_get_n_channels (pb);
413	guchar *src = gdk_pixbuf_get_pixels (pb);
414	int sstr = gdk_pixbuf_get_rowstride (pb);
415
416	a85_init ();
417
418	for (y = 0; y < h; y++)
419	for (x = 0; x < w; x++)
420	for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
421	a85_push (fp, src [x * bpp + y * sstr + i]);
422
423	a85_finish (fp);
424	}
425
426	void
427	dump_binary (PerlIO fp, GdkPixbuf pb)
428	CODE:
429	{
430	int w = gdk_pixbuf_get_width (pb);
431	int h = gdk_pixbuf_get_height (pb);
432	int x, y, i;
433	guchar *dst;
434	int bpp = gdk_pixbuf_get_n_channels (pb);
435	guchar *src = gdk_pixbuf_get_pixels (pb);
436	int sstr = gdk_pixbuf_get_rowstride (pb);
437
438	for (y = 0; y < h; y++)
439	for (x = 0; x < w; x++)
440	for (i = 0; i < (bpp < 3 ? 1 : 3); i++)
441	PerlIO_putc (fp, src [x * bpp + y * sstr + i]);
442	}
443
444	#############################################################################
445
446	MODULE = Gtk2::CV PACKAGE = Gtk2::CV
447
448	SV *
449	pb_to_hv84 (GdkPixbuf *pb)
450	CODE:
451	{
452	int w = gdk_pixbuf_get_width (pb);
453	int h = gdk_pixbuf_get_height (pb);
454	int x, y;
455	guchar *dst;
456	int bpp = gdk_pixbuf_get_n_channels (pb);
457	guchar *src = gdk_pixbuf_get_pixels (pb);
458	int sstr = gdk_pixbuf_get_rowstride (pb);
459		983
460	RETVAL = newSV (6 * 8 * 12 / 8);	984	RETVAL = newSV (6 * 8 * 12 / 8);
461	SvPOK_only (RETVAL);	985	SvPOK_only (RETVAL);
462	SvCUR_set (RETVAL, 6 * 8 * 12 / 8);	986	SvCUR_set (RETVAL, 6 * 8 * 12 / 8);
463		987
464	dst = SvPVX (RETVAL);	988	dst = (guchar *)SvPVX (RETVAL);
465		989
466	/* some primitive error distribution + random dithering */	990	/* some primitive error distribution + random dithering */
467		991
468	for (y = 0; y < h; y++)	992	for (y = 0; y < h; y++)
469	{	993	{
…		…
532	#############################################################################	1056	#############################################################################
533		1057
534	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster	1058	MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
535		1059
536	SV *	1060	SV *
537	make_histograms (SV *ar)	1061	extract_features (SV *ar)
538	CODE:	1062	CODE:
539	{	1063	{
540	int i;	1064	int i;
541	AV av, result;	1065	AV av, result;
542		1066
543	if (!SvROK (ar) \|\| SvTYPE (SvRV (ar)) != SVt_PVAV)	1067	if (!SvROK (ar) \|\| SvTYPE (SvRV (ar)) != SVt_PVAV)
544	croak ("Not an array ref as first argument to make_histogram");	1068	croak ("Not an array ref as first argument to extract_features");
545		1069
546	av = (AV *) SvRV (ar);	1070	av = (AV *) SvRV (ar);
547	result = newAV ();	1071	result = newAV ();
548		1072
549	for (i = 0; i <= av_len (av); ++i)	1073	for (i = 0; i <= av_len (av); ++i)
550	{	1074	{
551	const int HISTSIZE = 64;
552
553	int j;
554	SV sv = av_fetch (av, i, 1);	1075	SV sv = av_fetch (av, i, 1);
555	STRLEN len;
556	char *buf = SvPVbyte (sv, len);
557
558	int tmphist[HISTSIZE];
559	float *hist;
560
561	SV histsv = newSV (HISTSIZE sizeof (float) + 1);	1076	SV histsv = newSV (9 sizeof (float) + 1);
		1077
562	SvPOK_on (histsv);	1078	SvPOK_on (histsv);
563	SvCUR_set (histsv, HISTSIZE * sizeof (float));	1079	SvCUR_set (histsv, 9 * sizeof (float));
564	hist = (float *)SvPVX (histsv);	1080	float hist = (float )SvPVX (histsv);
565		1081
566	Zero (tmphist, sizeof (tmphist), char);	1082	struct feature f_h, f_s, f_v;
		1083	feature_init (&f_h);
		1084	feature_init (&f_s);
		1085	feature_init (&f_v);
567		1086
568	for (j = len; j--; )
569	{
570	unsigned int idx
571	= ((*buf & 0xc0) >> 2)
572	\| ((*buf & 0x18) >> 1)
573	\| (*buf & 0x03);
574
575	++tmphist[idx];
576	++buf;
577	}
578		1087	{
579	for (j = 0; j < HISTSIZE; ++j)	1088	STRLEN len;
580	hist[j] = (float)tmphist[j] / (len + 1e-30);	1089	unsigned char buf = (unsigned char )SvPVbyte (sv, len);
		1090	while (len >= 3)
		1091	{
		1092	unsigned int r, g, b, h, s, v;
		1093	r = buf++; g = buf++; b = *buf++;
		1094	rgb_to_hsv (r, g, b, &h, &s, &v);
		1095
		1096	feature_update_pass_1 (&f_h, h);
		1097	feature_update_pass_1 (&f_s, s);
		1098	feature_update_pass_1 (&f_v, v);
		1099
		1100	len -= 3;
		1101	}
		1102
		1103	feature_finish_pass_1 (&f_h);
		1104	feature_finish_pass_1 (&f_s);
		1105	feature_finish_pass_1 (&f_v);
		1106	}
		1107
		1108	{
		1109	STRLEN len;
		1110	unsigned char buf = (unsigned char )SvPVbyte (sv, len);
		1111	while (len >= 3)
		1112	{
		1113	unsigned int r, g, b, h, s, v;
		1114	r = buf++; g = buf++; b = *buf++;
		1115	rgb_to_hsv (r, g, b, &h, &s, &v);
		1116
		1117	feature_update_pass_2 (&f_h, h);
		1118	feature_update_pass_2 (&f_s, s);
		1119	feature_update_pass_2 (&f_v, v);
		1120
		1121	len -= 3;
		1122	}
		1123
		1124	feature_finish_pass_2 (&f_h);
		1125	feature_finish_pass_2 (&f_s);
		1126	feature_finish_pass_2 (&f_v);
		1127	}
		1128
		1129	hist [0] = f_h.v1 * 2.; hist [1] = f_h.v2 * 2.; hist [2] = f_h.v3 * 2.;
		1130	hist [3] = f_s.v1 ; hist [4] = f_s.v2 ; hist [5] = f_s.v3 ;
		1131	hist [6] = f_v.v1 * .5; hist [7] = f_v.v2 * .5; hist [8] = f_v.v3 * .5;
581		1132
582	av_push (result, histsv);	1133	av_push (result, histsv);
583	}	1134	}
584		1135
585	RETVAL = newRV_noinc ((SV *)result);	1136	RETVAL = newRV_noinc ((SV *)result);
586	}	1137	}
587	OUTPUT:	1138	OUTPUT:
588	RETVAL	1139	RETVAL
589		1140
590

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Comparing CV/CV.xs (file contents): Revision 1.21 by root, Sat Jul 23 03:25:51 2005 UTC vs. Revision 1.60 by root, Thu Jul 15 00:41:44 2021 UTC

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Comparing CV/CV.xs (file contents):
Revision 1.21 by root, Sat Jul 23 03:25:51 2005 UTC vs.
Revision 1.60 by root, Thu Jul 15 00:41:44 2021 UTC