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| -rw-r--r-- | canvas/source/vcl/impltools.hxx | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/canvas/source/vcl/impltools.hxx b/canvas/source/vcl/impltools.hxx new file mode 100644 index 000000000..f8a9db075 --- /dev/null +++ b/canvas/source/vcl/impltools.hxx @@ -0,0 +1,178 @@ +/* -*- 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 . + */ + +#pragma once + +#include <osl/mutex.hxx> + +#include <vcl/svapp.hxx> +#include <vcl/outdev.hxx> + +#include <basegfx/polygon/b2dpolypolygon.hxx> + +#include <com/sun/star/uno/Reference.hxx> + +#include "outdevprovider.hxx" + + +class OutputDevice; +class Point; +class Size; + +namespace basegfx +{ + namespace matrix + { + class B2DHomMatrix; + } +} + +namespace com::sun::star::awt +{ + struct Point; + struct Size; + struct Rectangle; +} + +namespace com::sun::star::drawing +{ + struct HomogenMatrix3; +} + +namespace com::sun::star::geometry +{ + struct RealPoint2D; + struct RealSize2D; + struct RealRectangle2D; +} + +namespace com::sun::star::rendering +{ + struct RenderState; + struct ViewState; + class XBitmap; +} + + +namespace vclcanvas +{ + namespace tools + { + ::BitmapEx + bitmapExFromXBitmap( const css::uno::Reference< + css::rendering::XBitmap >& ); + + /** Setup VCL font and output position + + @returns false, if no text output should happen + */ + bool setupFontTransform( ::Point& o_rPoint, + vcl::Font& io_rVCLFont, + const css::rendering::ViewState& viewState, + const css::rendering::RenderState& renderState, + ::OutputDevice const & rOutDev ); + + /** Predicate, to determine whether polygon is actually an axis-aligned rectangle + + @return true, if the polygon is a rectangle. + */ + bool isRectangle( const ::tools::PolyPolygon& rPolyPoly ); + + + // Little helper to encapsulate locking into policy class + class LocalGuard + { + public: + LocalGuard() : + aSolarGuard() + { + } + + /// To be compatible with CanvasBase mutex concept + explicit LocalGuard( const ::osl::Mutex& ) : + aSolarGuard() + { + } + + private: + SolarMutexGuard aSolarGuard; + }; + + class OutDevStateKeeper + { + public: + explicit OutDevStateKeeper( OutputDevice& rOutDev ) : + mpOutDev( &rOutDev ), + mbMappingWasEnabled( mpOutDev->IsMapModeEnabled() ), + mnAntiAliasing( mpOutDev->GetAntialiasing() ) + { + init(); + } + + explicit OutDevStateKeeper( const OutDevProviderSharedPtr& rOutDev ) : + mpOutDev( rOutDev ? &(rOutDev->getOutDev()) : nullptr ), + mbMappingWasEnabled( mpOutDev && mpOutDev->IsMapModeEnabled() ), + mnAntiAliasing( mpOutDev ? mpOutDev->GetAntialiasing() : AntialiasingFlags::NONE ) + { + init(); + } + + ~OutDevStateKeeper() + { + if( mpOutDev ) + { + mpOutDev->EnableMapMode( mbMappingWasEnabled ); + mpOutDev->SetAntialiasing( mnAntiAliasing ); + + mpOutDev->Pop(); + } + } + + private: + void init() + { + if( mpOutDev ) + { + mpOutDev->Push(); + mpOutDev->EnableMapMode(false); + mpOutDev->SetAntialiasing( AntialiasingFlags::Enable ); + } + } + + VclPtr<OutputDevice> mpOutDev; + const bool mbMappingWasEnabled; + const AntialiasingFlags mnAntiAliasing; + }; + + ::Point mapRealPoint2D( const css::geometry::RealPoint2D& rPoint, + const css::rendering::ViewState& rViewState, + const css::rendering::RenderState& rRenderState ); + + ::tools::PolyPolygon mapPolyPolygon( const ::basegfx::B2DPolyPolygon& rPoly, + const css::rendering::ViewState& rViewState, + const css::rendering::RenderState& rRenderState ); + + ::BitmapEx transformBitmap( const BitmapEx& rBitmap, + const ::basegfx::B2DHomMatrix& rTransform ); + + void SetDefaultDeviceAntiAliasing( OutputDevice* pDevice ); + } +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |