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Goffice Reference Manual | ![]() |
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enum GOPathDirection; enum GOPathOptions; GOPathPoint; GOPath; GOPath* go_path_new (void); void go_path_clear (GOPath *path); void go_path_free (GOPath *path); void go_path_set_options (GOPath *path, GOPathOptions options); GOPathOptions go_path_get_options (GOPath const *path); void go_path_move_to (GOPath *path, double x, double y); void go_path_line_to (GOPath *path, double x, double y); void go_path_curve_to (GOPath *path, double x0, double y0, double x1, double y1, double x2, double y2); void go_path_close (GOPath *path); void go_path_ring_wedge (GOPath *path, double cx, double cy, double rx_out, double ry_out, double rx_in, double ry_in, double th0, double th1); void go_path_pie_wedge (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1); void go_path_arc (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1); void go_path_arc_to (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1); void go_path_rectangle (GOPath *path, double x, double y, double width, double height); void go_path_interpret (GOPath const *path, GOPathDirection direction, GOPathMoveToFunc *move_to, GOPathLineToFunc *line_to, GOPathCurveToFunc *curve_to, GOPathClosePathFunc *close_path, void *closure);
typedef enum { GO_PATH_DIRECTION_FORWARD, GO_PATH_DIRECTION_BACKWARD } GOPathDirection;
typedef enum { GO_PATH_OPTIONS_SNAP_COORDINATES = 1<<0, GO_PATH_OPTIONS_SNAP_WIDTH = 1<<1, GO_PATH_OPTIONS_SHARP = 3 } GOPathOptions;
void go_path_free (GOPath *path);
Frees all memory allocated for path
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a GOPath |
void go_path_set_options (GOPath *path, GOPathOptions options);
Change the rendering options for path
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GO_PATH_OPTIONS_SNAP_COORDINATES
GO_PATH_OPTIONS_SNAP_WIDTH
GO_PATH_OPTIONS_SHARP
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a GOPath |
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GOPathOptions |
void go_path_curve_to (GOPath *path, double x0, double y0, double x1, double y1, double x2, double y2);
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void go_path_ring_wedge (GOPath *path, double cx, double cy, double rx_out, double ry_out, double rx_in, double ry_in, double th0, double th1);
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void go_path_pie_wedge (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1);
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void go_path_arc (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1);
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void go_path_arc_to (GOPath *path, double cx, double cy, double rx, double ry, double th0, double th1);
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void go_path_rectangle (GOPath *path, double x, double y, double width, double height);
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void go_path_interpret (GOPath const *path, GOPathDirection direction, GOPathMoveToFunc *move_to, GOPathLineToFunc *line_to, GOPathCurveToFunc *curve_to, GOPathClosePathFunc *close_path, void *closure);
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