diff options
author | Karl Berry <karl@freefriends.org> | 2018-08-31 23:11:41 +0000 |
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committer | Karl Berry <karl@freefriends.org> | 2018-08-31 23:11:41 +0000 |
commit | 8ba2cf02688200d56e4fe0839a451ef832ce15b6 (patch) | |
tree | fcec1a50903a6e5b939859a1f92e15342636f290 /Build/source/libs/potrace/potrace-src/src/potracelib.h | |
parent | 5d0960aa5419651a9c9b6503e44be2f098831ef1 (diff) |
dvisvgm 2.5, including potrace now bundled with dvisvgm instead of under libs/
git-svn-id: svn://tug.org/texlive/trunk@48527 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/potrace/potrace-src/src/potracelib.h')
-rw-r--r-- | Build/source/libs/potrace/potrace-src/src/potracelib.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/Build/source/libs/potrace/potrace-src/src/potracelib.h b/Build/source/libs/potrace/potrace-src/src/potracelib.h deleted file mode 100644 index 003297740af..00000000000 --- a/Build/source/libs/potrace/potrace-src/src/potracelib.h +++ /dev/null @@ -1,139 +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 POTRACELIB_H -#define POTRACELIB_H - -/* this file defines the API for the core Potrace library. For a more - detailed description of the API, see potracelib.pdf */ - -#ifdef __cplusplus -extern "C" { -#endif - -/* ---------------------------------------------------------------------- */ -/* tracing parameters */ - -/* turn policies */ -#define POTRACE_TURNPOLICY_BLACK 0 -#define POTRACE_TURNPOLICY_WHITE 1 -#define POTRACE_TURNPOLICY_LEFT 2 -#define POTRACE_TURNPOLICY_RIGHT 3 -#define POTRACE_TURNPOLICY_MINORITY 4 -#define POTRACE_TURNPOLICY_MAJORITY 5 -#define POTRACE_TURNPOLICY_RANDOM 6 - -/* structure to hold progress bar callback data */ -struct potrace_progress_s { - void (*callback)(double progress, void *privdata); /* callback fn */ - void *data; /* callback function's private data */ - double min, max; /* desired range of progress, e.g. 0.0 to 1.0 */ - double epsilon; /* granularity: can skip smaller increments */ -}; -typedef struct potrace_progress_s potrace_progress_t; - -/* structure to hold tracing parameters */ -struct potrace_param_s { - int turdsize; /* area of largest path to be ignored */ - int turnpolicy; /* resolves ambiguous turns in path decomposition */ - double alphamax; /* corner threshold */ - int opticurve; /* use curve optimization? */ - double opttolerance; /* curve optimization tolerance */ - potrace_progress_t progress; /* progress callback function */ -}; -typedef struct potrace_param_s potrace_param_t; - -/* ---------------------------------------------------------------------- */ -/* bitmaps */ - -/* native word size */ -typedef unsigned long potrace_word; - -/* Internal bitmap format. The n-th scanline starts at scanline(n) = - (map + n*dy). Raster data is stored as a sequence of potrace_words - (NOT bytes). The leftmost bit of scanline n is the most significant - bit of scanline(n)[0]. */ -struct potrace_bitmap_s { - int w, h; /* width and height, in pixels */ - int dy; /* words per scanline (not bytes) */ - potrace_word *map; /* raw data, dy*h words */ -}; -typedef struct potrace_bitmap_s potrace_bitmap_t; - -/* ---------------------------------------------------------------------- */ -/* curves */ - -/* point */ -struct potrace_dpoint_s { - double x, y; -}; -typedef struct potrace_dpoint_s potrace_dpoint_t; - -/* segment tags */ -#define POTRACE_CURVETO 1 -#define POTRACE_CORNER 2 - -/* closed curve segment */ -struct potrace_curve_s { - int n; /* number of segments */ - int *tag; /* tag[n]: POTRACE_CURVETO or POTRACE_CORNER */ - potrace_dpoint_t (*c)[3]; /* c[n][3]: control points. - c[n][0] is unused for tag[n]=POTRACE_CORNER */ -}; -typedef struct potrace_curve_s potrace_curve_t; - -/* Linked list of signed curve segments. Also carries a tree structure. */ -struct potrace_path_s { - int area; /* area of the bitmap path */ - int sign; /* '+' or '-', depending on orientation */ - potrace_curve_t curve; /* this path's vector data */ - - struct potrace_path_s *next; /* linked list structure */ - - struct potrace_path_s *childlist; /* tree structure */ - struct potrace_path_s *sibling; /* tree structure */ - - struct potrace_privpath_s *priv; /* private state */ -}; -typedef struct potrace_path_s potrace_path_t; - -/* ---------------------------------------------------------------------- */ -/* Potrace state */ - -#define POTRACE_STATUS_OK 0 -#define POTRACE_STATUS_INCOMPLETE 1 - -struct potrace_state_s { - int status; - potrace_path_t *plist; /* vector data */ - - struct potrace_privstate_s *priv; /* private state */ -}; -typedef struct potrace_state_s potrace_state_t; - -/* ---------------------------------------------------------------------- */ -/* API functions */ - -/* get default parameters */ -potrace_param_t *potrace_param_default(void); - -/* free parameter set */ -void potrace_param_free(potrace_param_t *p); - -/* trace a bitmap */ -potrace_state_t *potrace_trace(const potrace_param_t *param, - const potrace_bitmap_t *bm); - -/* free a Potrace state */ -void potrace_state_free(potrace_state_t *st); - -/* return a static plain text version string identifying this version - of potracelib */ -const char *potrace_version(void); - -#ifdef __cplusplus -} /* end of extern "C" */ -#endif - -#endif /* POTRACELIB_H */ |