--- CV/CV.xs	2005/07/20 06:20:36	1.17
+++ CV/CV.xs	2005/07/23 03:25:51	1.21
@@ -2,6 +2,7 @@
 #include "perl.h"
 #include "XSUB.h"
 
+#include <string.h>
 #include <setjmp.h>
 
 #include <jpeglib.h>
@@ -226,8 +227,8 @@
             cinfo.do_fancy_upsampling = FALSE;
 
             while (cinfo.scale_denom < 8
-                   && (cinfo.output_width  >> 1) >= IW
-                   && (cinfo.output_height >> 1) >= IH)
+                   && cinfo.output_width  >= IW*4
+                   && cinfo.output_height >= IH*4)
               {
                 cinfo.scale_denom <<= 1;
                 jpeg_calc_output_dimensions (&cinfo);
@@ -270,8 +271,51 @@
 
 MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer
 
+SV *
+foldcase (SV *pathsv)
+	PROTOTYPE: $
+	CODE:
+{
+	STRLEN plen;
+        U8 *path = SvPVutf8 (pathsv, plen);
+        U8 *pend = path + plen;
+        U8 dst [plen * 6 * 3], *dstp = dst;
+
+        while (path < pend)
+          {
+            U8 ch = *path;
+
+            if (ch >= 'a' && ch <= 'z')
+              *dstp++ = *path++;
+            else if (ch >= '0' && ch <= '9')
+              {
+                STRLEN el, nl = 0;
+                while (*path >= '0' && *path <= '9' && path < pend)
+                  path++, nl++;
+
+                for (el = nl; el < 6; el++)
+                  *dstp++ = '0';
+
+                memcpy (dstp, path - nl, nl);
+                dstp += nl;
+              }
+            else
+              {
+                STRLEN cl;
+                to_utf8_fold (path, dstp, &cl);
+                dstp += cl;
+                path += is_utf8_char (path);
+              }
+          }
+
+        RETVAL = newSVpvn (dst, dstp - dst);
+}
+	OUTPUT:
+        RETVAL
+
 GdkPixbuf_noinc *
 p7_to_pb (int w, int h, guchar *src)
+        PROTOTYPE: @
 	CODE:
 {
 	int x, y;
@@ -353,60 +397,6 @@
 	OUTPUT:
         RETVAL
 
-SV *
-make_histogram (SV *ar)
-        CODE:
-{
-        int i;
-        AV *av, *result;
-
-        if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
-          croak ("Not an array ref as first argument to make_histogram");
-
-        av = (AV *) SvRV (ar);
-        result = newAV ();
-
-        for (i = 0; i <= av_len (av); ++i)
-          {
-            const int HISTSIZE = 64;
-
-            int j;
-            SV *sv = *av_fetch (av, i, 1);
-            STRLEN len;
-            char *buf = SvPVbyte (sv, len);
-
-            int tmphist[HISTSIZE];
-            float *hist;
-
-            SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
-            SvPOK_on (histsv);
-            SvCUR_set (histsv, HISTSIZE * sizeof (float));
-            hist = (float *)SvPVX (histsv);
-
-            Zero (tmphist, sizeof (tmphist), char);
-
-            for (j = len; j--; )
-              {
-                unsigned int idx
-                    = ((*buf & 0xc0) >> 2)
-                    | ((*buf & 0x18) >> 1)
-                    |  (*buf & 0x03);
-
-                ++tmphist[idx];
-                ++buf;
-              }
-            
-            for (j = 0; j < HISTSIZE; ++j)
-              hist[j] = (float)tmphist[j] / (len + 1e-30);
-
-            av_push (result, histsv);
-          }
-
-        RETVAL = newRV_noinc ((SV *)result);
-}
-        OUTPUT:
-        RETVAL
-
 #############################################################################
 
 MODULE = Gtk2::CV PACKAGE = Gtk2::CV::PostScript
@@ -539,5 +529,62 @@
 	OUTPUT:
         RETVAL
 
+#############################################################################
+
+MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Plugin::RCluster
+
+SV *
+make_histograms (SV *ar)
+        CODE:
+{
+        int i;
+        AV *av, *result;
+
+        if (!SvROK (ar) || SvTYPE (SvRV (ar)) != SVt_PVAV)
+          croak ("Not an array ref as first argument to make_histogram");
+
+        av = (AV *) SvRV (ar);
+        result = newAV ();
+
+        for (i = 0; i <= av_len (av); ++i)
+          {
+            const int HISTSIZE = 64;
+
+            int j;
+            SV *sv = *av_fetch (av, i, 1);
+            STRLEN len;
+            char *buf = SvPVbyte (sv, len);
+
+            int tmphist[HISTSIZE];
+            float *hist;
+
+            SV *histsv = newSV (HISTSIZE * sizeof (float) + 1);
+            SvPOK_on (histsv);
+            SvCUR_set (histsv, HISTSIZE * sizeof (float));
+            hist = (float *)SvPVX (histsv);
+
+            Zero (tmphist, sizeof (tmphist), char);
+
+            for (j = len; j--; )
+              {
+                unsigned int idx
+                    = ((*buf & 0xc0) >> 2)
+                    | ((*buf & 0x18) >> 1)
+                    |  (*buf & 0x03);
+
+                ++tmphist[idx];
+                ++buf;
+              }
+            
+            for (j = 0; j < HISTSIZE; ++j)
+              hist[j] = (float)tmphist[j] / (len + 1e-30);
+
+            av_push (result, histsv);
+          }
+
+        RETVAL = newRV_noinc ((SV *)result);
+}
+        OUTPUT:
+        RETVAL