xref: /haiku/src/libs/icon/transformer/PathSource.h (revision 6427935280aaac0a1a4557bae55184708819560d)

/*
 * Copyright 2006-2007, Haiku.
 * Distributed under the terms of the MIT License.
 *
 * Authors:
 *		Stephan Aßmus <superstippi@gmx.de>
 */
#ifndef PATH_SOURCE_H
#define PATH_SOURCE_H


#include "IconBuild.h"
#include "Transformer.h"

#include "agg_path_storage.h"
#include "agg_conv_curve.h"


_BEGIN_ICON_NAMESPACE


template <class Type> class Container;
class VectorPath;

typedef agg::path_storage					AGGPath;
typedef agg::conv_curve<AGGPath>			AGGCurvedPath;

class PathSource : public VertexSource {
 public:
									PathSource(Container<VectorPath>* paths);
	virtual							~PathSource();

    virtual	void					rewind(unsigned path_id);
    virtual	unsigned				vertex(double* x, double* y);

	virtual	bool					WantsOpenPaths() const;
	virtual	double					ApproximationScale() const;

	// PathSource
			void					Update(bool leavePathsOpen,
										double approximationScale);

			void					SetGlobalScale(double scale);

 private:
		 	Container<VectorPath>*	fPaths;
		 	AGGPath					fAGGPath;
		 	AGGCurvedPath			fAGGCurvedPath;

		 	double					fGlobalScale;
		 	double					fLastTransformerScale;
};


_END_ICON_NAMESPACE


#endif	// PATH_SOURCE_H