/usr/include/firefox/gfxPath.h is in firefox-dev 11.0+build1-0ubuntu4.
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#ifndef GFX_PATH_H
#define GFX_PATH_H
#include "gfxTypes.h"
#include "nsISupportsImpl.h"
class gfxContext;
struct gfxPoint;
typedef struct cairo_path cairo_path_t;
/**
* Class representing a path. Can be created by copying the current path
* of a gfxContext.
*/
class THEBES_API gfxPath {
NS_INLINE_DECL_REFCOUNTING(gfxPath)
friend class gfxContext;
protected:
gfxPath(cairo_path_t* aPath);
public:
virtual ~gfxPath();
protected:
cairo_path_t* mPath;
};
/**
* Specialization of a path that only contains linear pieces. Can be created
* from the existing path of a gfxContext.
*/
class THEBES_API gfxFlattenedPath : public gfxPath {
friend class gfxContext;
protected:
gfxFlattenedPath(cairo_path_t* aPath);
public:
virtual ~gfxFlattenedPath();
/**
* Returns calculated total length of path
*/
gfxFloat GetLength();
/**
* Returns a point a certain distance along the path. Return is
* first or last point of the path if the requested length offset
* is outside the range for the path.
* @param aOffset offset inpath parameter space (x=length, y=normal offset)
* @param aAngle optional - output tangent
*/
gfxPoint FindPoint(gfxPoint aOffset,
gfxFloat* aAngle = nsnull);
};
#endif
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