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Diffstat (limited to '')
-rw-r--r-- | include/vcl/mapmod.hxx | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/include/vcl/mapmod.hxx b/include/vcl/mapmod.hxx new file mode 100644 index 0000000000..f3c937a5f9 --- /dev/null +++ b/include/vcl/mapmod.hxx @@ -0,0 +1,93 @@ +/* -*- 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_VCL_MAPMOD_HXX +#define INCLUDED_VCL_MAPMOD_HXX + +#include <vcl/dllapi.h> +#include <tools/mapunit.hxx> +#include <o3tl/cow_wrapper.hxx> + +#include <ostream> + +class Point; +class Fraction; +class SvStream; + +class SAL_WARN_UNUSED VCL_DLLPUBLIC MapMode +{ + friend class OutputDevice; + +public: + struct SAL_DLLPRIVATE ImplMapMode; + + MapMode(); + MapMode( const MapMode& rMapMode ); + explicit MapMode( MapUnit eUnit ); + MapMode( MapUnit eUnit, const Point& rLogicOrg, + const Fraction& rScaleX, const Fraction& rScaleY ); + ~MapMode(); + + void SetMapUnit( MapUnit eUnit ); + MapUnit GetMapUnit() const; + + void SetOrigin( const Point& rOrigin ); + const Point& GetOrigin() const; + + void SetScaleX( const Fraction& rScaleX ); + const Fraction& GetScaleX() const; + void SetScaleY( const Fraction& rScaleY ); + const Fraction& GetScaleY() const; + + MapMode& operator=( const MapMode& rMapMode ); + MapMode& operator=( MapMode&& rMapMode ); + bool operator==( const MapMode& rMapMode ) const; + bool operator!=( const MapMode& rMapMode ) const + { + return !(MapMode::operator==( rMapMode )); + } + bool IsDefault() const; + + // Compute value usable as hash. + size_t GetHashValue() const; + + // tdf#117984 needs to be thread-safe due to being used e.g. in Bitmaps + // vcl::ScopedBitmapAccess in parallelized 3D renderer + typedef o3tl::cow_wrapper< ImplMapMode, o3tl::ThreadSafeRefCountingPolicy > ImplType; + + // If only the map unit is set. + bool IsSimple() const; + +private: + ImplType mpImplMapMode; +}; + +template<typename charT, typename traits> +inline std::basic_ostream<charT, traits> & operator <<( + std::basic_ostream<charT, traits> & rStream, const MapMode& rMode) +{ + rStream << "MapMode(" << static_cast<unsigned>(rMode.GetMapUnit()) << ",(" << rMode.GetScaleX() << "," << rMode.GetScaleY() << ")@(" << rMode.GetOrigin() << "))"; + return rStream; +} + +bool TooLargeScaleForMapMode(const Fraction& rScale, int nDPI); + +#endif // INCLUDED_VCL_MAPMOD_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |