95 lines
3 KiB
C++
95 lines
3 KiB
C++
/* Copyright 2015, Michele Santullo
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* This file is part of DoorKeeper.
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*
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* DoorKeeper is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* DoorKeeper is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with DoorKeeper. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef id0ADBCC15BA574485BF3267254090D99B
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#define id0ADBCC15BA574485BF3267254090D99B
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#include "doorkeeper/primitivetypes.hpp"
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#include "doorkeeper/components/tileiterator.hpp"
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#include "doorkeeper/components/layer.hpp"
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#include "doorkeeper/components/tilecoords.hpp"
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#include <cstdint>
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#include <cmath>
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#include <boost/functional/hash_fwd.hpp>
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namespace dk {
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template <uint32_t D>
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class Tyler;
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template <typename T, uint32_t D>
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class Layer;
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template <uint32_t D>
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struct TileInfo {
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typedef Vector<D> coords;
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TileInfo ( const LayerBase<D>& parLayer );
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coords tile_size;
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coords map_size;
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};
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template <uint32_t D>
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std::size_t hash_value ( const TileInfo<D>& parTProps ) noexcept a_pure;
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template <uint32_t D>
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class Viewport {
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public:
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typedef Vector<D> coords;
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typedef VectorT<CoordinateAccumType, D> coords_f;
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Viewport ( const Viewport& parOther ) = default;
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Viewport ( Tyler<D>& parTyler, const TileInfo<D>* parTileInfo );
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Viewport ( Tyler<D>& parTyler, const TileInfo<D>* parTileInfo, const coords& parPos );
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~Viewport ( void ) noexcept = default;
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Viewport& operator= ( const Viewport& ) = default;
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Viewport& operator+= ( const coords_f& parValue );
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Viewport& operator-= ( const coords_f& parValue );
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void setFrom ( const coords& parFrom );
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coords size ( void ) const;
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coords pixel_offset ( void ) const;
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template <typename T>
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typename Layer<T, D>::iterator begin ( Layer<T, D>& parLayer ) const;
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template <typename T>
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typename Layer<T, D>::iterator end ( Layer<T, D>& parLayer ) const;
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template <typename T> inline
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typename Layer<T, D>::const_iterator begin ( const Layer<T, D>& parLayer ) const a_always_inline;
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template <typename T> inline
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typename Layer<T, D>::const_iterator end ( const Layer<T, D>& parLayer ) const a_always_inline;
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template <typename T>
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typename Layer<T, D>::const_iterator cbegin ( const Layer<T, D>& parLayer ) const;
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template <typename T>
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typename Layer<T, D>::const_iterator cend ( const Layer<T, D>& parLayer ) const;
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void set_tile_info ( const TileInfo<D>* parTileInfo );
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private:
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void clip_pixel_offset ( void );
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TileCoords<D> m_view;
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coords_f m_pixel_offset;
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Tyler<D>& m_tyler;
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const TileInfo<D>* const m_tile_info;
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};
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} //namespace dk
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#include "doorkeeper/implem/viewport.inl"
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#endif
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