(patched) gocr-0.44

[swftools.git] / lib / gocr / pgm2asc.h

diff --git a/lib/gocr/pgm2asc.h b/lib/gocr/pgm2asc.h
new file mode 100644 (file)
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+++ b/lib/gocr/pgm2asc.h
@@ -0,0 +1,106 @@
+/*
+This is a Optical-Character-Recognition program
+Copyright (C) 2000-2006 Joerg Schulenburg
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+
+ see README for EMAIL-address
+
+*/
+ 
+#ifndef PGM2ASC_H
+#define PGM2ASC_H 1
+
+#include "pnm.h"
+//#include "output.h"
+#include "list.h"
+#include "unicode.h"
+#include "gocr.h"
+
+#define pixel_at(pic, xx, yy)           (pic).p[(xx)+((yy)*((pic).x))]
+#define pixel_atp(pic, xx, yy)          (pic)->p[(xx)+((yy)*((pic)->x))]
+
+#ifndef HAVE_WCHAR_H
+const wchar_t *wcschr (const wchar_t *wcs, wchar_t wc);
+const wchar_t *wcscpy (wchar_t *dest, const wchar_t *src);
+size_t wcslen (const wchar_t *s);
+#endif
+#ifndef HAVE_WCSDUP
+wchar_t * wcsdup (const wchar_t *WS);  /* its a gnu extension */
+#endif
+
+/* declared in pgm2asc.c */
+/* set alternate chars and its weight, called from the engine
+    if a char is recognized to (weight) percent */
+int setas(struct box *b, char *as, int weight);    /* string + xml */
+int setac(struct box *b, wchar_t ac, int weight);  /* wchar */
+
+/* for qsort() call */
+int intcompare (const void *vr, const void *vs);
+
+/* declared in box.c */
+int box_gt(struct box *box1, struct box *box2);
+int reset_box_ac(struct box *box);           /* reset and free char table */
+struct box *malloc_box( struct box *inibox );   /* alloc memory for a box */
+int free_box( struct box *box );                /* free memory of a box */
+int copybox( pix *p, int x0, int y0, int dx, int dy, pix *b, int len);
+int reduce_vectors ( struct box *box1, int mode );
+int merge_boxes( struct box *box1, struct box *box2 );
+int cut_box( struct box *box1);
+  
+
+/* declared in database.c */
+int load_db(void);
+wchar_t ocr_db(struct box *box1);
+
+/* declared in detect.c */
+int detect_lines1(pix * p, int x0, int y0, int dx, int dy);
+int detect_lines2(pix *p,int x0,int y0,int dx,int dy,int r);
+int detect_rotation_angle(job_t *job);
+int detect_text_lines(pix * pp, int mo);
+int adjust_text_lines(pix * pp, int mo);
+int detect_pictures(job_t *job);
+
+/* declared in lines.c */
+void store_boxtree_lines( int mo );
+   /* free memory for internal stored textlines.
+    * Needs to be called _after_ having retrieved the text.
+    * After freeing, no call to getTextLine is possible any
+    * more
+    */
+void free_textlines( void );
+
+   /* get result of ocr for a given line number.
+    * If the line is out of range, the function returns 0,
+    * otherwise a pointer to a complete line.
+    */
+const char *getTextLine( int );
+
+/* declared in remove.c */
+int remove_dust( job_t *job );
+int remove_pictures( job_t *job);
+int remove_melted_serifs( pix *pp );
+int remove_rest_of_dust();
+int smooth_borders( job_t *job );
+
+/* declared in pixel.c */
+int marked(pix * p, int x, int y);
+int pixel(pix *p, int x, int y);
+void put(pix * p, int x, int y, int ia, int io);
+
+/* start ocr on a image in job.src.p */
+int pgm2asc(job_t *job);
+
+#endif