libreoffice/include/drawinglayer/processor2d/textaspolygonextractor2d.hxx

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
 * This file is part of the LibreOffice project.
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
 *
 * This file incorporates work covered by the following license notice:
 *
 *   Licensed to the Apache Software Foundation (ASF) under one or more
 *   contributor license agreements. See the NOTICE file distributed
 *   with this work for additional information regarding copyright
 *   ownership. The ASF licenses this file to you under the Apache
 *   License, Version 2.0 (the "License"); you may not use this file
 *   except in compliance with the License. You may obtain a copy of
 *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
 */

#ifndef INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX
#define INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX

#include <drawinglayer/drawinglayerdllapi.h>

#include <drawinglayer/processor2d/baseprocessor2d.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/color/bcolor.hxx>
#include <basegfx/color/bcolormodifier.hxx>
#include <vector>



namespace drawinglayer
{
    namespace processor2d
    {
        /// helper data structure for returning the result
        struct DRAWINGLAYER_DLLPUBLIC TextAsPolygonDataNode
        {
        private:
            basegfx::B2DPolyPolygon                 maB2DPolyPolygon;
            basegfx::BColor                         maBColor;
            bool                                    mbIsFilled;

        public:
            TextAsPolygonDataNode(
                const basegfx::B2DPolyPolygon& rB2DPolyPolygon,
                const basegfx::BColor& rBColor,
                bool bIsFilled)
            :   maB2DPolyPolygon(rB2DPolyPolygon),
                maBColor(rBColor),
                mbIsFilled(bIsFilled)
            {
            }

            // data read access
            const basegfx::B2DPolyPolygon& getB2DPolyPolygon() const { return maB2DPolyPolygon; }
            const basegfx::BColor& getBColor() const { return maBColor; }
            bool getIsFilled() const { return mbIsFilled; }
        };

        /// typedef for a vector of that helper data
        typedef ::std::vector< TextAsPolygonDataNode > TextAsPolygonDataNodeVector;

        /** TextAsPolygonExtractor2D class

            This processor extracts text in the feeded primitives to filled polygons
         */
        class DRAWINGLAYER_DLLPUBLIC TextAsPolygonExtractor2D : public BaseProcessor2D
        {
        private:
            // extraction target
            TextAsPolygonDataNodeVector             maTarget;

            // the modifiedColorPrimitive stack
            basegfx::BColorModifierStack            maBColorModifierStack;

            // flag if we are in a decomposed text
            sal_uInt32                              mnInText;

            // tooling methods
            void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) SAL_OVERRIDE;

        public:
            explicit TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation);
            virtual ~TextAsPolygonExtractor2D();

            // data read access
            const TextAsPolygonDataNodeVector& getTarget() const { return maTarget; }
        };
    } // end of namespace processor2d
} // end of namespace drawinglayer



#endif // INCLUDED_DRAWINGLAYER_PROCESSOR2D_TEXTASPOLYGONEXTRACTOR2D_HXX

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */