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-rw-r--r--Build/source/libs/potrace/potrace-src/src/greymap.h65
1 files changed, 0 insertions, 65 deletions
diff --git a/Build/source/libs/potrace/potrace-src/src/greymap.h b/Build/source/libs/potrace/potrace-src/src/greymap.h
deleted file mode 100644
index a1cea516338..00000000000
--- a/Build/source/libs/potrace/potrace-src/src/greymap.h
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Copyright (C) 2001-2017 Peter Selinger.
- This file is part of Potrace. It is free software and it is covered
- by the GNU General Public License. See the file COPYING for details. */
-
-
-#ifndef GREYMAP_H
-#define GREYMAP_H
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-
-/* type for greymap samples */
-typedef signed short int gm_sample_t;
-
-/* internal format for greymaps. Note: in this format, rows are
- ordered from bottom to top. The pixels in each row are given from
- left to right. */
-struct greymap_s {
- int w; /* width, in pixels */
- int h; /* height, in pixels */
- int dy; /* offset between scanlines (in samples);
- can be negative */
- gm_sample_t *base; /* root of allocated data */
- gm_sample_t *map; /* points to the lower left pixel */
-};
-typedef struct greymap_s greymap_t;
-
-/* macros for accessing pixel at index (x,y). Note that the origin is
- in the *lower* left corner. U* macros omit the bounds check. */
-
-#define gm_scanline(gm, y) ((gm)->map + (ptrdiff_t)(y)*(ptrdiff_t)(gm)->dy)
-#define gm_index(gm, x, y) (gm_scanline(gm, y) + (x))
-#define gm_safe(gm, x, y) ((int)(x)>=0 && (int)(x)<(gm)->w && (int)(y)>=0 && (int)(y)<(gm)->h)
-#define gm_bound(x, m) ((x)<0 ? 0 : (x)>=(m) ? (m)-1 : (x))
-#define GM_UGET(gm, x, y) (*gm_index(gm, x, y))
-#define GM_UINC(gm, x, y, b) (*gm_index(gm, x, y) += (gm_sample_t)(b))
-#define GM_UINV(gm, x, y) (*gm_index(gm, x, y) = 255 - *gm_index(gm, x, y))
-#define GM_UPUT(gm, x, y, b) (*gm_index(gm, x, y) = (gm_sample_t)(b))
-#define GM_GET(gm, x, y) (gm_safe(gm, x, y) ? GM_UGET(gm, x, y) : 0)
-#define GM_INC(gm, x, y, b) (gm_safe(gm, x, y) ? GM_UINC(gm, x, y, b) : 0)
-#define GM_INV(gm, x, y) (gm_safe(gm, x, y) ? GM_UINV(gm, x, y) : 0)
-#define GM_PUT(gm, x, y, b) (gm_safe(gm, x, y) ? GM_UPUT(gm, x, y, b) : 0)
-#define GM_BGET(gm, x, y) ((gm)->w == 0 || (gm)->h == 0 ? 0 : GM_UGET(gm, gm_bound(x, (gm)->w), gm_bound(y, (gm)->h)))
-
-/* modes for cutting off out-of-range values. The following names
- refer to winding numbers. I.e., make a pixel black if winding
- number is nonzero, odd, or positive, respectively. We assume that 0
- winding number corresponds to white (255). */
-#define GM_MODE_NONZERO 1
-#define GM_MODE_ODD 2
-#define GM_MODE_POSITIVE 3
-#define GM_MODE_NEGATIVE 4
-
-extern const char *gm_read_error;
-
-greymap_t *gm_new(int w, int h);
-greymap_t *gm_dup(greymap_t *gm);
-void gm_free(greymap_t *gm);
-void gm_clear(greymap_t *gm, int b);
-int gm_read(FILE *f, greymap_t **gmp);
-int gm_writepgm(FILE *f, greymap_t *gm, const char *comment, int raw, int mode, double gamma);
-int gm_print(FILE *f, greymap_t *gm);
-
-#endif /* GREYMAP_H */