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- /*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- // EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL EXPERIMENTAL
- // DO NOT USE -- FOR INTERNAL TESTING ONLY
- #ifndef sk_path_DEFINED
- #define sk_path_DEFINED
- #include "include/c/sk_types.h"
- SK_C_PLUS_PLUS_BEGIN_GUARD
- typedef enum {
- CW_SK_PATH_DIRECTION,
- CCW_SK_PATH_DIRECTION,
- } sk_path_direction_t;
- /** Create a new, empty path. */
- SK_API sk_path_t* sk_path_new(void);
- /** Release the memory used by a sk_path_t. */
- SK_API void sk_path_delete(sk_path_t*);
- /** Set the beginning of the next contour to the point (x,y). */
- SK_API void sk_path_move_to(sk_path_t*, float x, float y);
- /**
- Add a line from the last point to the specified point (x,y). If no
- sk_path_move_to() call has been made for this contour, the first
- point is automatically set to (0,0).
- */
- SK_API void sk_path_line_to(sk_path_t*, float x, float y);
- /**
- Add a quadratic bezier from the last point, approaching control
- point (x0,y0), and ending at (x1,y1). If no sk_path_move_to() call
- has been made for this contour, the first point is automatically
- set to (0,0).
- */
- SK_API void sk_path_quad_to(sk_path_t*, float x0, float y0, float x1, float y1);
- /**
- Add a conic curve from the last point, approaching control point
- (x0,y01), and ending at (x1,y1) with weight w. If no
- sk_path_move_to() call has been made for this contour, the first
- point is automatically set to (0,0).
- */
- SK_API void sk_path_conic_to(sk_path_t*, float x0, float y0, float x1, float y1, float w);
- /**
- Add a cubic bezier from the last point, approaching control points
- (x0,y0) and (x1,y1), and ending at (x2,y2). If no
- sk_path_move_to() call has been made for this contour, the first
- point is automatically set to (0,0).
- */
- SK_API void sk_path_cubic_to(sk_path_t*,
- float x0, float y0,
- float x1, float y1,
- float x2, float y2);
- /**
- Close the current contour. If the current point is not equal to the
- first point of the contour, a line segment is automatically added.
- */
- SK_API void sk_path_close(sk_path_t*);
- /**
- Add a closed rectangle contour to the path.
- */
- SK_API void sk_path_add_rect(sk_path_t*, const sk_rect_t*, sk_path_direction_t);
- /**
- Add a closed oval contour to the path
- */
- SK_API void sk_path_add_oval(sk_path_t*, const sk_rect_t*, sk_path_direction_t);
- /**
- * If the path is empty, return false and set the rect parameter to [0, 0, 0, 0].
- * else return true and set the rect parameter to the bounds of the control-points
- * of the path.
- */
- SK_API bool sk_path_get_bounds(const sk_path_t*, sk_rect_t*);
- SK_C_PLUS_PLUS_END_GUARD
- #endif
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