--- CV/CV.xs 2005/07/20 06:20:36 1.17 +++ CV/CV.xs 2005/12/28 20:56:20 1.30 @@ -2,9 +2,12 @@ #include "perl.h" #include "XSUB.h" +#include #include #include +#include +#include #include #include @@ -125,32 +128,38 @@ PROTOTYPES: ENABLE -GdkPixbuf_noinc * -transpose (GdkPixbuf *pb) +# missing function in perl. really :) +int +common_prefix_length (a, b) + unsigned char *a = (unsigned char *)SvPVutf8_nolen ($arg); + unsigned char *b = (unsigned char *)SvPVutf8_nolen ($arg); CODE: -{ - int w = gdk_pixbuf_get_width (pb); - int h = gdk_pixbuf_get_height (pb); - int bpp = gdk_pixbuf_get_n_channels (pb); - int x, y, i; - guchar *src = gdk_pixbuf_get_pixels (pb), *dst; - int sstr = gdk_pixbuf_get_rowstride (pb), dstr; + RETVAL = 0; - RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, h, w); + while (*a == *b && *a) + { + RETVAL += (*a & 0xc0) != 0x80; + a++, b++; + } - dst = gdk_pixbuf_get_pixels (RETVAL); - dstr = gdk_pixbuf_get_rowstride (RETVAL); + OUTPUT: + RETVAL - for (y = 0; y < h; y++) - for (x = 0; x < w; x++) - for (i = 0; i < bpp; i++) - dst[y * bpp + x * dstr + i] = src[x * bpp + y * sstr + i]; -} - OUTPUT: +# missing in Gtk2 perl module + +gboolean +gdk_net_wm_supports (GdkAtom property) + CODE: +#if defined(GDK_WINDOWING_X11) && !defined(GDK_MULTIHEAD_SAFE) + RETVAL = gdk_net_wm_supports (property); +#else + RETVAL = 0; +#endif + OUTPUT: RETVAL GdkPixbuf_noinc * -flop (GdkPixbuf *pb) +dealpha_expose (GdkPixbuf *pb) CODE: { int w = gdk_pixbuf_get_width (pb); @@ -160,21 +169,32 @@ guchar *src = gdk_pixbuf_get_pixels (pb), *dst; int sstr = gdk_pixbuf_get_rowstride (pb), dstr; - RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, bpp == 4, 8, w, h); + RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); dst = gdk_pixbuf_get_pixels (RETVAL); dstr = gdk_pixbuf_get_rowstride (RETVAL); - for (y = 0; y < h; y++) - for (x = 0; x < w; x++) - for (i = 0; i < bpp; i++) - dst[(w - 1 - x) * bpp + y * dstr + i] = src[x * bpp + y * sstr + i]; + for (x = 0; x < w; x++) + for (y = 0; y < h; y++) + for (i = 0; i < 3; i++) + dst[x * 3 + y * dstr + i] = src[x * bpp + y * sstr + i]; } OUTPUT: RETVAL GdkPixbuf_noinc * -load_jpeg (char *path, int thumbnail=0) +rotate (GdkPixbuf *pb, int angle) + CODE: + RETVAL = gdk_pixbuf_rotate_simple (pb, angle == 0 ? GDK_PIXBUF_ROTATE_NONE + : angle == 90 ? GDK_PIXBUF_ROTATE_COUNTERCLOCKWISE + : angle == 180 ? GDK_PIXBUF_ROTATE_UPSIDEDOWN + : angle == 270 ? GDK_PIXBUF_ROTATE_CLOCKWISE + : angle); + OUTPUT: + RETVAL + +GdkPixbuf_noinc * +load_jpeg (SV *path, int thumbnail=0) CODE: { struct jpeg_decompress_struct cinfo; @@ -183,9 +203,12 @@ int rs; FILE *fp; volatile GdkPixbuf *pb = 0; + RETVAL = 0; - if (!(fp = fopen (path, "rb"))) + fp = fopen (SvPVbyte_nolen (path), "rb"); + + if (!fp) XSRETURN_UNDEF; cinfo.err = jpeg_std_error (&jerr.err); @@ -226,8 +249,8 @@ 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); @@ -270,13 +293,57 @@ MODULE = Gtk2::CV PACKAGE = Gtk2::CV::Schnauzer +SV * +foldcase (SV *pathsv) + PROTOTYPE: $ + CODE: +{ + STRLEN plen; + U8 *path = (U8 *)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 ((const char *)dst, dstp - dst); +} + OUTPUT: + RETVAL + GdkPixbuf_noinc * -p7_to_pb (int w, int h, guchar *src) +p7_to_pb (int w, int h, SV *src_sv) + PROTOTYPE: @ CODE: { int x, y; guchar *dst, *d; int dstr; + guchar *src = (guchar *)SvPVbyte_nolen (src_sv); RETVAL = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 0, 8, w, h); dst = gdk_pixbuf_get_pixels (RETVAL); @@ -295,118 +362,6 @@ OUTPUT: RETVAL -SV * -pb_to_p7 (GdkPixbuf *pb) - CODE: -{ - int w = gdk_pixbuf_get_width (pb); - int h = gdk_pixbuf_get_height (pb); - int x, y; - guchar *dst; - int bpp = gdk_pixbuf_get_n_channels (pb); - guchar *src = gdk_pixbuf_get_pixels (pb); - int sstr = gdk_pixbuf_get_rowstride (pb); - int Er[IW], Eg[IW], Eb[IW]; - int seed = 77; - - RETVAL = newSV (w * h); - SvPOK_only (RETVAL); - SvCUR_set (RETVAL, w * h); - - dst = SvPVX (RETVAL); - - memset (Er, 0, sizeof (int) * IW); - memset (Eg, 0, sizeof (int) * IW); - memset (Eb, 0, sizeof (int) * IW); - - /* some primitive error distribution + random dithering */ - - for (y = 0; y < h; y++) - { - int er = 0, eg = 0, eb = 0; - - for (x = 0; x < w; x++) - { - int r, g, b; - guchar *p = src + x * bpp + y * sstr; - - r = ((p[0] + er + Er[x]) * 7 + (RAND & 127) + 64) / 255; - g = ((p[1] + eg + Eg[x]) * 7 + (RAND & 127) + 64) / 255; - b = ((p[2] + eb + Eb[x]) * 3 + (RAND & 127) + 64) / 255; - - r = r > 7 ? 7 : r < 0 ? 0 : r; - g = g > 7 ? 7 : g < 0 ? 0 : g; - b = b > 3 ? 3 : b < 0 ? 0 : b; - - er += p[0] - (r * 255 + 4) / 7; - eg += p[1] - (g * 255 + 4) / 7; - eb += p[2] - (b * 255 + 2) / 3; - - Er[x] = er >> 1; er -= (er + 1) >> 1; - Eg[x] = eg >> 1; eg -= (eg + 1) >> 1; - Eb[x] = eb >> 1; eb -= (eb + 1) >> 1; - - *dst++ = r << 5 | g << 2 | b; - } - } -} - 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 @@ -471,7 +426,7 @@ SvPOK_only (RETVAL); SvCUR_set (RETVAL, 6 * 8 * 12 / 8); - dst = SvPVX (RETVAL); + dst = (guchar *)SvPVX (RETVAL); /* some primitive error distribution + random dithering */ @@ -539,5 +494,62 @@ 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