dx_textlayout_drawhelper.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#pragma once
 
#include <memory>
 
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/rendering/StringContext.hpp>
#include <com/sun/star/rendering/XCanvasFont.hpp>
#include <com/sun/star/geometry/Matrix2D.hpp>
#include <com/sun/star/rendering/XGraphicDevice.hpp>
#include <com/sun/star/rendering/ViewState.hpp>
#include <com/sun/star/rendering/RenderState.hpp>
 
#include <basegfx/vector/b2isize.hxx>
 
namespace com::sun::star::rendering { class XCanvasFont; }
 
namespace Gdiplus { class Graphics; }
 
namespace dxcanvas
{
    struct Bitmap;
    class TextLayoutDrawHelper
    {
    public:
        explicit TextLayoutDrawHelper(
            const css::uno::Reference< css::rendering::XGraphicDevice >& xGraphicDevice);
        ~TextLayoutDrawHelper();
 
        // draw text
        void drawText( const std::shared_ptr<Gdiplus::Graphics>&          rGraphics,
                       const css::rendering::ViewState&        rViewState,
                       const css::rendering::RenderState&      rRenderState,
                       const ::basegfx::B2ISize&               rOutputOffset,
                       const css::rendering::StringContext&    rText,
                       const css::uno::Sequence< double >&     rLogicalAdvancements,
                       const css::uno::Sequence< sal_Bool >&   rKashidaPositions,
                       const css::uno::Reference<
                               css::rendering::XCanvasFont >&  rCanvasFont,
                       const css::geometry::Matrix2D&          rFontMatrix,
                       bool                                                 bAlphaSurface,
                       bool bIsRTL);
 
        css::geometry::RealRectangle2D queryTextBounds(
            const css::rendering::StringContext&   rText,
            const css::uno::Sequence< double >&    rLogicalAdvancements,
            const css::uno::Reference<
                css::rendering::XCanvasFont >&     rCanvasFont,
              const css::geometry::Matrix2D&       rFontMatrix );
 
#ifdef DBG_UTIL
        void test();
#endif
 
    protected:
        css::uno::Reference< css::rendering::XGraphicDevice > mxGraphicDevice;
    };
}
 
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