1 files changed, 106 insertions, 0 deletions
diff --git a/canvas/source/cairo/cairo_textlayout.hxx b/canvas/source/cairo/cairo_textlayout.hxx
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index 000000000..fb14e620c
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+++ b/canvas/source/cairo/cairo_textlayout.hxx
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+/* -*- 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 <cppuhelper/compbase.hxx>
+#include <cppuhelper/basemutex.hxx>
+
+#include <com/sun/star/lang/XServiceInfo.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+#include <com/sun/star/rendering/XTextLayout.hpp>
+
+#include <vcl/outdev.hxx>
+
+#include "cairo_canvasfont.hxx"
+
+
+/* Definition of TextLayout class */
+
+namespace cairocanvas
+{
+    typedef ::cppu::WeakComponentImplHelper< css::rendering::XTextLayout,
+                                             css::lang::XServiceInfo > TextLayout_Base;
+
+    class TextLayout : public ::cppu::BaseMutex,
+                       public TextLayout_Base
+    {
+    public:
+        /// make noncopyable
+        TextLayout(const TextLayout&) = delete;
+        const TextLayout& operator=(const TextLayout&) = delete;
+
+        TextLayout( css::rendering::StringContext               aText,
+                    sal_Int8                                    nDirection,
+                    sal_Int64                                   nRandomSeed,
+                    CanvasFont::Reference                       rFont,
+                    SurfaceProviderRef                          rRefDevice );
+
+        /// Dispose all internal references
+        virtual void SAL_CALL disposing() 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::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;
+
+        void setupTextOffsets( sal_Int32*                          outputOffsets,
+                               const css::uno::Sequence< double >& inputOffsets,
+                               const css::rendering::ViewState&    viewState,
+                               const css::rendering::RenderState&  renderState     ) const;
+
+    protected:
+        virtual ~TextLayout() override; // we're a ref-counted UNO class. _We_ destroy ourselves.
+
+    private:
+        css::rendering::StringContext              maText;
+        css::uno::Sequence< double >               maLogicalAdvancements;
+        CanvasFont::Reference                      mpFont;
+        SurfaceProviderRef                         mpRefDevice;
+        sal_Int8                                   mnTextDirection;
+    };
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */