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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
      21             : #define INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
      22             : 
      23             : #include <drawinglayer/drawinglayerdllapi.h>
      24             : 
      25             : #include <drawinglayer/primitive2d/baseprimitive2d.hxx>
      26             : #include <basegfx/matrix/b2dhommatrix.hxx>
      27             : #include <vcl/gdimtf.hxx>
      28             : 
      29             : //////////////////////////////////////////////////////////////////////////////
      30             : // MetafilePrimitive2D class
      31             : 
      32             : namespace drawinglayer
      33             : {
      34             :     namespace primitive2d
      35             :     {
      36             :         /** MetafilePrimitive2D class
      37             : 
      38             :             This is the MetaFile representing primitive. It's geometry is defined
      39             :             by MetaFileTransform. The content (defined by MetaFile) will be scaled
      40             :             to the geometric definiton by using PrefMapMode and PrefSize of the
      41             :             Metafile.
      42             : 
      43             :             It has shown that this not always guarantees that all Metafile content
      44             :             is inside the geometric definition, but this primitive defines that this
      45             :             is the case to allow a getB2DRange implementation. If it cannot be
      46             :             guaranteed that the Metafile is inside the geometric definition, it should
      47             :             be embedded to a MaskPrimitive2D.
      48             : 
      49             :             This primitive has no decomposition yet, so when not supported by a renderer,
      50             :             it will not be visualized.
      51             : 
      52             :             In the future, a decomposition implementation would be appreciated and would
      53             :             have many advantages; Metafile would no longer have to be rendered by
      54             :             sub-systems and a standard way for converting Metafiles would exist.
      55             :          */
      56           2 :         class DRAWINGLAYER_DLLPUBLIC MetafilePrimitive2D : public BufferedDecompositionPrimitive2D
      57             :         {
      58             :         private:
      59             :             /// the geometry definition
      60             :             basegfx::B2DHomMatrix                       maMetaFileTransform;
      61             : 
      62             :             /// the content definition
      63             :             GDIMetaFile                                 maMetaFile;
      64             : 
      65             :         protected:
      66             :             /// local decomposition.
      67             :             virtual Primitive2DSequence create2DDecomposition(const geometry::ViewInformation2D& rViewInformation) const;
      68             :         public:
      69             :             /// constructor
      70             :             MetafilePrimitive2D(
      71             :                 const basegfx::B2DHomMatrix& rMetaFileTransform,
      72             :                 const GDIMetaFile& rMetaFile);
      73             : 
      74             :             /// data read access
      75           1 :             const basegfx::B2DHomMatrix& getTransform() const { return maMetaFileTransform; }
      76           5 :             const GDIMetaFile& getMetaFile() const { return maMetaFile; }
      77             : 
      78             :             /// compare operator
      79             :             virtual bool operator==(const BasePrimitive2D& rPrimitive) const;
      80             : 
      81             :             /// get range
      82             :             virtual basegfx::B2DRange getB2DRange(const geometry::ViewInformation2D& rViewInformation) const;
      83             : 
      84             :             /// provide unique ID
      85             :             DeclPrimitrive2DIDBlock()
      86             :         };
      87             :     } // end of namespace primitive2d
      88             : } // end of namespace drawinglayer
      89             : 
      90             : //////////////////////////////////////////////////////////////////////////////
      91             : 
      92             : #endif //INCLUDED_DRAWINGLAYER_PRIMITIVE2D_METAFILEPRIMITIVE2D_HXX
      93             : 
      94             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */