SlideRenderer.hxx

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#pragma once
 
#include <PreviewRenderer.hxx>
#include <com/sun/star/drawing/XSlideRenderer.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
 
#include <comphelper/compbase.hxx>
 
namespace com::sun::star::drawing { class XDrawPage; }
 
namespace sd::presenter {
 
typedef comphelper::WeakComponentImplHelper <
    css::drawing::XSlideRenderer,
    css::lang::XInitialization,
    css::lang::XServiceInfo
> SlideRendererInterfaceBase;
 
class SlideRenderer final
    : public SlideRendererInterfaceBase
{
public:
    SlideRenderer ();
    virtual ~SlideRenderer() override;
    SlideRenderer(const SlideRenderer&) = delete;
    SlideRenderer& operator=(const SlideRenderer&) = delete;
 
    // XInitialization
 
    virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
 
    OUString SAL_CALL getImplementationName() override;
 
    sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
 
    css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
 
    // XSlideRenderer
 
    virtual css::uno::Reference<css::awt::XBitmap> SAL_CALL createPreview (
        const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
        const css::awt::Size& rMaximumPreviewPixelSize,
        sal_Int16 nSuperSampleFactor) override;
 
    virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL createPreviewForCanvas (
        const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
        const css::awt::Size& rMaximumPreviewPixelSize,
        sal_Int16 nSuperSampleFactor,
        const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) override;
 
    virtual css::awt::Size SAL_CALL calculatePreviewSize (
        double nSlideAspectRatio,
        const css::awt::Size& rMaximumPreviewPixelSize) override;
 
private:
    PreviewRenderer maPreviewRenderer;
 
    BitmapEx CreatePreview (
        const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
        const css::awt::Size& rMaximumPreviewPixelSize,
        sal_Int16 nSuperSampleFactor);
 
    void ThrowIfDisposed();
};
 
} // end of namespace ::sd::presenter
 
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