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Diffstat (limited to 'canvas/source/vcl/textlayout.hxx')
| -rw-r--r-- | canvas/source/vcl/textlayout.hxx | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/canvas/source/vcl/textlayout.hxx b/canvas/source/vcl/textlayout.hxx new file mode 100644 index 0000000000..998383cb02 --- /dev/null +++ b/canvas/source/vcl/textlayout.hxx @@ -0,0 +1,103 @@ +/* -*- 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 <comphelper/compbase.hxx> + +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <com/sun/star/rendering/StringContext.hpp> +#include <com/sun/star/rendering/XTextLayout.hpp> + +#include "canvasfont.hxx" +#include "impltools.hxx" + +/* Definition of TextLayout class */ + +namespace vclcanvas +{ + typedef ::comphelper::WeakComponentImplHelper< css::rendering::XTextLayout, + css::lang::XServiceInfo > TextLayout_Base; + + class TextLayout : public TextLayout_Base + { + public: + /// make noncopyable + TextLayout(const TextLayout&) = delete; + const TextLayout& operator=(const TextLayout&) = delete; + + TextLayout( css::rendering::StringContext aText, + sal_Int8 nDirection, + CanvasFont::Reference rFont, + css::uno::Reference< + css::rendering::XGraphicDevice> xDevice, + OutDevProviderSharedPtr xOutDev ); + + /// Dispose all internal references + virtual void disposing(std::unique_lock<std::mutex>& rGuard) override; + + // XTextLayout + virtual css::uno::Sequence< css::uno::Reference< css::rendering::XPolyPolygon2D > > SAL_CALL queryTextShapes( ) override; + virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryInkMeasures( ) override; + virtual css::uno::Sequence< css::geometry::RealRectangle2D > SAL_CALL queryMeasures( ) override; + virtual css::uno::Sequence< double > SAL_CALL queryLogicalAdvancements( ) override; + virtual void SAL_CALL applyLogicalAdvancements( const css::uno::Sequence< double >& aAdvancements ) override; + virtual css::uno::Sequence< sal_Bool > SAL_CALL queryKashidaPositions( ) override; + virtual void SAL_CALL applyKashidaPositions( const css::uno::Sequence< sal_Bool >& aPositions ) override; + virtual css::geometry::RealRectangle2D SAL_CALL queryTextBounds( ) override; + virtual double SAL_CALL justify( double nSize ) override; + virtual double SAL_CALL combinedJustify( const css::uno::Sequence< css::uno::Reference< css::rendering::XTextLayout > >& aNextLayouts, double nSize ) override; + virtual css::rendering::TextHit SAL_CALL getTextHit( const css::geometry::RealPoint2D& aHitPoint ) override; + virtual css::rendering::Caret SAL_CALL getCaret( sal_Int32 nInsertionIndex, sal_Bool bExcludeLigatures ) override; + virtual sal_Int32 SAL_CALL getNextInsertionIndex( sal_Int32 nStartIndex, sal_Int32 nCaretAdvancement, sal_Bool bExcludeLigatures ) override; + virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryVisualHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override; + virtual css::uno::Reference< css::rendering::XPolyPolygon2D > SAL_CALL queryLogicalHighlighting( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override; + virtual double SAL_CALL getBaselineOffset( ) override; + virtual sal_Int8 SAL_CALL getMainTextDirection( ) override; + virtual css::uno::Reference< css::rendering::XCanvasFont > SAL_CALL getFont( ) override; + virtual css::rendering::StringContext SAL_CALL getText( ) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName() override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual css::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames() override; + + void draw( OutputDevice& rOutDev, + const Point& rOutpos, + const css::rendering::ViewState& viewState, + const css::rendering::RenderState& renderState ) const; + + private: + KernArray setupTextOffsets( + const css::uno::Sequence< double >& inputOffsets, + const css::rendering::ViewState& viewState, + const css::rendering::RenderState& renderState ) const; + + css::rendering::StringContext maText; + css::uno::Sequence< double > maLogicalAdvancements; + css::uno::Sequence< sal_Bool > maKashidaPositions; + CanvasFont::Reference mpFont; + css::uno::Reference< css::rendering::XGraphicDevice> mxDevice; + OutDevProviderSharedPtr mpOutDevProvider; + sal_Int8 mnTextDirection; + }; + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |