GOPath

GOPath

typedef struct _GOPath GOPath;

GOPathClosePathFunc ()

void                (*GOPathClosePathFunc)              (void *closure);

GOPathCurveToFunc ()

void                (*GOPathCurveToFunc)                (void *closure,
                                                         GOPathPoint const *point0,
                                                         GOPathPoint const *point1,
                                                         GOPathPoint const *point2);

GOPathLineToFunc ()

void                (*GOPathLineToFunc)                 (void *closure,
                                                         GOPathPoint const *point);

GOPathMoveToFunc ()

void                (*GOPathMoveToFunc)                 (void *closure,
                                                         GOPathPoint const *point);

enum GOPathDirection

typedef enum {
	GO_PATH_DIRECTION_FORWARD,
	GO_PATH_DIRECTION_BACKWARD
} GOPathDirection;

enum GOPathOptions

typedef enum {
	GO_PATH_OPTIONS_SNAP_COORDINATES 	= 1<<0,
	GO_PATH_OPTIONS_SNAP_WIDTH		= 1<<1,
	GO_PATH_OPTIONS_SHARP			= 3
} GOPathOptions;

GOPathPoint

typedef struct {
	double x;
	double y;
} GOPathPoint;

go_path_append ()

GOPath *            go_path_append                      (GOPath *path1,
                                                         GOPath const *path2);

Appends path2 at the end of path1.

go_path_arc ()

void                go_path_arc                         (GOPath *path,
                                                         double cx,
                                                         double cy,
                                                         double rx,
                                                         double ry,
                                                         double th0,
                                                         double th1);

go_path_arc_to ()

void                go_path_arc_to                      (GOPath *path,
                                                         double cx,
                                                         double cy,
                                                         double rx,
                                                         double ry,
                                                         double th0,
                                                         double th1);

go_path_clear ()

void                go_path_clear                       (GOPath *path);

go_path_close ()

void                go_path_close                       (GOPath *path);

go_path_copy ()

GOPath *            go_path_copy                        (GOPath const *path);

go_path_curve_to ()

void                go_path_curve_to                    (GOPath *path,
                                                         double x0,
                                                         double y0,
                                                         double x1,
                                                         double y1,
                                                         double x2,
                                                         double y2);

go_path_free ()

void                go_path_free                        (GOPath *path);

Decrements references count and frees all memory allocated for path if references count reaches 0.

go_path_get_options ()

GOPathOptions       go_path_get_options                 (GOPath const *path);

go_path_interpret ()

void                go_path_interpret                   (GOPath const *path,
                                                         GOPathDirection direction,
                                                         GOPathMoveToFunc move_to,
                                                         GOPathLineToFunc line_to,
                                                         GOPathCurveToFunc curve_to,
                                                         GOPathClosePathFunc close_path,
                                                         void *closure);

This function can be used to draw a path or for other purposes. To draw using cairo, the closure argument should be a valid cairo_t.

go_path_line_to ()

void                go_path_line_to                     (GOPath *path,
                                                         double x,
                                                         double y);

go_path_move_to ()

void                go_path_move_to                     (GOPath *path,
                                                         double x,
                                                         double y);

go_path_new ()

GOPath *            go_path_new                         (void);

go_path_new_from_odf_enhanced_path ()

GOPath *            go_path_new_from_odf_enhanced_path  (char const *src,
                                                         GHashTable const *variables);

go_path_new_from_svg ()

GOPath *            go_path_new_from_svg                (char const *src);

go_path_pie_wedge ()

void                go_path_pie_wedge                   (GOPath *path,
                                                         double cx,
                                                         double cy,
                                                         double rx,
                                                         double ry,
                                                         double th0,
                                                         double th1);

go_path_rectangle ()

void                go_path_rectangle                   (GOPath *path,
                                                         double x,
                                                         double y,
                                                         double width,
                                                         double height);

go_path_ref ()

GOPath *            go_path_ref                         (GOPath *path);

Increments references count to path.

go_path_ring_wedge ()

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);

go_path_set_options ()

void                go_path_set_options                 (GOPath *path,
                                                         GOPathOptions options);

Change the rendering options for path using GO_PATH_OPTIONS_SNAP_COORDINATES GO_PATH_OPTIONS_SNAP_WIDTH GO_PATH_OPTIONS_SHARP

go_path_to_cairo ()

void                go_path_to_cairo                    (GOPath const *path,
                                                         GOPathDirection direction,
                                                         cairo_t *cr);

Renders the path to the cairo context using its current settings.

go_path_to_svg ()

char *              go_path_to_svg                      (GOPath *path);

Builds an svg path from path.

go_path_scale ()

GOPath *            go_path_scale                       (GOPath *path,
                                                         double scale_x,
                                                         double scale_y);

Builds a scaled.