+/*
+ * ocr.c forms a mostly-self-contained bit
+ * so we put its declarations in this separate file
+ */
+/*
+ * This is part of ypp-sc-tools, a set of third-party tools for assisting
+ * players of Yohoho Puzzle Pirates.
+ *
+ * Copyright (C) 2009 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * 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 3 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, see <http://www.gnu.org/licenses/>.
+ *
+ * Yohoho and Puzzle Pirates are probably trademarks of Three Rings and
+ * are used without permission. This program is not endorsed or
+ * sponsored by Three Rings.
+ */
+
#ifndef OCR_H
#define OCR_H
+#include "common.h"
+
+
+#define AADEPTH 3
+#define AAMAXVAL ((1<<AADEPTH)-1)
+ /* Change this ? Also change in
+ * dictionary-manager set aadepth
+ * dictionary-update-receiver my $aadepth
+ */
+
+
+typedef uint32_t Pixcolv;
+#define PIXCOL_P_PER_WORD (32 / AADEPTH)
+
+#define OCR_MAX_H 30
+#define PIXCOL_WORDS ((OCR_MAX_H + PIXCOL_P_PER_WORD - 1) / PIXCOL_P_PER_WORD)
+
+typedef struct { Pixcolv w[PIXCOL_WORDS]; } Pixcol;
+
+static inline int pixcol_p_word(int y) {
+ return y / PIXCOL_P_PER_WORD;
+}
+static inline int pixcol_p_shift(int y) {
+ return (y % PIXCOL_P_PER_WORD)*AADEPTH;
+}
+static inline void pixcol_p_add(Pixcol *pixcol, int y, unsigned pixval) {
+ pixcol->w[pixcol_p_word(y)] |= pixval << pixcol_p_shift(y);
+}
+static inline unsigned int pixcol_p_get(const Pixcol *pixcol, int y) {
+ return (pixcol->w[pixcol_p_word(y)] >> pixcol_p_shift(y)) & AAMAXVAL;
+}
+static inline int pixcol_cmp(const Pixcol *pixcol1, const Pixcol *pixcol2) {
+ return memcmp(pixcol1, pixcol2, sizeof(*pixcol1));
+}
+static inline int pixcol_nonzero(const Pixcol *pixcol) {
+ static const Pixcol zero;
+ return pixcol_cmp(pixcol, &zero);
+}
+
+#if AADEPTH==3
+# define PRPIXCOL1 "%0*" PRIo32
+# define PIXCOL_P_PER_FMT 1
+#elif AADEPTH==2
+# define PRPIXCOL1 "%0*" PRIx32
+# define PIXCOL_P_PER_FMT 2
+#else
+# error need to implement PRPIXCOL1 for this AADEPTH
+#endif
-#define DEBUG_RECTANGLES
-// #define DEBUG_OCR
-
-
-
-#define _GNU_SOURCE
-
-#include <pam.h>
-#include <stdint.h>
-#include <inttypes.h>
-#include <assert.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-#include <time.h>
-#include <limits.h>
-
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/time.h>
-
-
-typedef struct {
- int w,h;
- char d[];
-} CanonImage;
-
-
-typedef uint32_t Pixcol;
-#define PSPIXCOL(priscan) priscan##32
+# define PIXCOL_FMT_PER_WORD (PIXCOL_P_PER_WORD / PIXCOL_P_PER_FMT)
+
+#if PIXCOL_WORDS==2
+# define PIXCOL_PRFMT \
+ PRPIXCOL1 "-" \
+ PRPIXCOL1
+# define PIXCOL_PRVAL(pixcol) \
+ PIXCOL_FMT_PER_WORD, (pixcol).w[1], \
+ PIXCOL_FMT_PER_WORD, (pixcol).w[0]
+#elif PIXCOL_WORDS==3
+# define PIXCOL_PRFMT \
+ PRPIXCOL1 "-" \
+ PRPIXCOL1 "-" \
+ PRPIXCOL1
+# define PIXCOL_PRVAL(pixcol) \
+ PIXCOL_FMT_PER_WORD, (pixcol).w[2], \
+ PIXCOL_FMT_PER_WORD, (pixcol).w[1], \
+ PIXCOL_FMT_PER_WORD, (pixcol).w[0]
+#else
+# error need to implement PIXCOL_PR{FMT,VAL} for this PIXCOL_WORDS
+#endif
typedef struct {
const char *s; /* valid until next call to ocr() */
int l,r; /* column numbers */
- unsigned ctxmap; /* match context index */
+ int match; /* match context index */
+ unsigned ctxmap; /* possible match contexts */
} OcrResultGlyph;
+
typedef const struct OcrCellTypeInfo *OcrCellType;
extern const struct OcrCellTypeInfo ocr_celltype_text;
extern const struct OcrCellTypeInfo ocr_celltype_number;
+const char *ocr_celltype_name(OcrCellType ct);
+
typedef struct OcrReader OcrReader;
OcrReader *ocr_init(int h);
+void ocr_showcharsets(void);
-OcrResultGlyph *ocr(OcrReader *rd, OcrCellType, int w, Pixcol cols[]);
+OcrResultGlyph *ocr(OcrReader *rd, OcrCellType, int w, const Pixcol cols[]);
/* return value is array terminated by {0,-1,-1}
* array is valid until next call to ocr()
*/
-void debug_flush(void);
-
-void find_structure(CanonImage *im);
-
-#define eassert assert
-#define debug stdout
-
-const char *get_vardir(void);
-
-CanonImage *file_read_image(FILE *f);
-int main_test(void);
-
-#define MAX_PAGES 100
-extern CanonImage *page_images[MAX_PAGES];
-extern int npages;
+extern const char *o_resolver;
-typedef struct {
- unsigned long rgb; /* on screen */
- char c; /* canonical */
-} CanonColourInfo;
-
-extern const CanonColourInfo canoncolourinfos[];
-
-CanonImage *alloc_canon_image(int w, int h);
-
-#ifdef DEBUG_RECTANGLES
-# define CANIMG_DEBUG_RECTANGLE_1LINE(im,w,h) \
- fprintf(debug, "%4d ",y); \
- r= fwrite(im->d + y*w, 1,w, debug); \
- eassert(r==w); \
- fputc('\n',debug);
-#else
-# define CANIMG_DEBUG_RECTANGLE_1LINE(im,y,h) /* nothing */
-#endif
-
-#define CANONICALISE_IMAGE(im,w,h, COMPUTE_RGB) do{ \
- /* compute_rgb should be a number of statements, or \
- * a block, which assigns to \
- * unsigned long rgb; \
- * given the values of \
- * int x,y; \
- * all of which are anamorphic. Result is stored in im. \
- */ \
- (im)= alloc_canon_image((w), (h)); \
- \
- int x,y,r; \
- for (y=0; y<(h); y++) { \
- for (x=0; x<(w); x++) { \
- const CanonColourInfo *cci; \
- unsigned long rgb; \
- COMPUTE_RGB; \
- for (cci=canoncolourinfos; cci->c; cci++) \
- if (cci->rgb == rgb) { \
- (im)->d[y*(w) + x]= cci->c; \
- break; \
- } \
- } \
- CANIMG_DEBUG_RECTANGLE_1LINE((im),(w),(h)) \
- } \
- debug_flush(); \
- }while(0)
+FILE *resolve_start(void);
+void resolve_finish(void);
#endif /*OCR_H*/
~yarrgweb / ypp-sc-tools.db-live.git / blobdiff