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#ifndef MUPDF_FITZ_PATH_H
#define MUPDF_FITZ_PATH_H
#include "mupdf/fitz/system.h"
#include "mupdf/fitz/context.h"
#include "mupdf/fitz/math.h"
/*
* Vector path buffer.
* It can be stroked and dashed, or be filled.
* It has a fill rule (nonzero or even_odd).
*
* When rendering, they are flattened, stroked and dashed straight
* into the Global Edge List.
*/
typedef struct fz_path_s fz_path;
typedef struct fz_stroke_state_s fz_stroke_state;
typedef union fz_path_item_s fz_path_item;
typedef enum fz_path_item_kind_e
{
FZ_MOVETO,
FZ_LINETO,
FZ_CURVETO,
FZ_CLOSE_PATH
} fz_path_item_kind;
typedef enum fz_linecap_e
{
FZ_LINECAP_BUTT = 0,
FZ_LINECAP_ROUND = 1,
FZ_LINECAP_SQUARE = 2,
FZ_LINECAP_TRIANGLE = 3
} fz_linecap;
typedef enum fz_linejoin_e
{
FZ_LINEJOIN_MITER = 0,
FZ_LINEJOIN_ROUND = 1,
FZ_LINEJOIN_BEVEL = 2,
FZ_LINEJOIN_MITER_XPS = 3
} fz_linejoin;
union fz_path_item_s
{
fz_path_item_kind k;
float v;
};
struct fz_path_s
{
int len, cap;
fz_path_item *items;
int last;
};
struct fz_stroke_state_s
{
int refs;
fz_linecap start_cap, dash_cap, end_cap;
fz_linejoin linejoin;
float linewidth;
float miterlimit;
float dash_phase;
int dash_len;
float dash_list[32];
};
fz_path *fz_new_path(fz_context *ctx);
fz_point fz_currentpoint(fz_context *ctx, fz_path *path);
void fz_moveto(fz_context*, fz_path*, float x, float y);
void fz_lineto(fz_context*, fz_path*, float x, float y);
void fz_curveto(fz_context*,fz_path*, float, float, float, float, float, float);
void fz_curvetov(fz_context*,fz_path*, float, float, float, float);
void fz_curvetoy(fz_context*,fz_path*, float, float, float, float);
void fz_closepath(fz_context*,fz_path*);
void fz_free_path(fz_context *ctx, fz_path *path);
void fz_transform_path(fz_context *ctx, fz_path *path, const fz_matrix *transform);
fz_path *fz_clone_path(fz_context *ctx, fz_path *old);
fz_rect *fz_bound_path(fz_context *ctx, fz_path *path, const fz_stroke_state *stroke, const fz_matrix *ctm, fz_rect *r);
fz_rect *fz_adjust_rect_for_stroke(fz_rect *r, const fz_stroke_state *stroke, const fz_matrix *ctm);
fz_stroke_state *fz_new_stroke_state(fz_context *ctx);
fz_stroke_state *fz_new_stroke_state_with_len(fz_context *ctx, int len);
fz_stroke_state *fz_keep_stroke_state(fz_context *ctx, fz_stroke_state *stroke);
void fz_drop_stroke_state(fz_context *ctx, fz_stroke_state *stroke);
fz_stroke_state *fz_unshare_stroke_state(fz_context *ctx, fz_stroke_state *shared);
fz_stroke_state *fz_unshare_stroke_state_with_len(fz_context *ctx, fz_stroke_state *shared, int len);
#ifndef NDEBUG
void fz_print_path(fz_context *ctx, FILE *out, fz_path *, int indent);
#endif
#endif
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