sd/source/ui/presenter/SlideRenderer.hxx

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  31
  32 #ifndef SD_PRESENTER_SLIDE_PREVIEW_HXX
  33 #define SD_PRESENTER_SLIDE_PREVIEW_HXX
  34
  35 #include "PreviewRenderer.hxx"
  36 #include <com/sun/star/drawing/XDrawPage.hpp>
  37 #include <com/sun/star/drawing/XSlideRenderer.hpp>
  38 #include <com/sun/star/lang/XInitialization.hpp>
  39 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  40 #include <cppuhelper/basemutex.hxx>
  41 #include <cppuhelper/compbase2.hxx>
  42 #include <boost/noncopyable.hpp>
  43
  44 namespace css = ::com::sun::star;
  45
  46 namespace sd { namespace presenter {
  47
  48 namespace {
  49     typedef ::cppu::WeakComponentImplHelper2 <
  50         css::drawing::XSlideRenderer,
  51         css::lang::XInitialization
  52     > SlideRendererInterfaceBase;
  53 }
  54
  55
  56 /** Render single slides into bitmaps.
  57 */
  58 class SlideRenderer
  59     : private ::boost::noncopyable,
  60       protected ::cppu::BaseMutex,
  61       public SlideRendererInterfaceBase
  62 {
  63 public:
  64     explicit SlideRenderer (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
  65     virtual ~SlideRenderer (void);
  66     virtual void SAL_CALL disposing (void);
  67
  68
  69     // XInitialization
  70
  71     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments)
  72         throw (css::uno::Exception, css::uno::RuntimeException);
  73
  74
  75     // XSlideRenderer
  76
  77     virtual css::uno::Reference<css::awt::XBitmap> SAL_CALL createPreview (
  78         const ::css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  79         const css::awt::Size& rMaximumPreviewPixelSize,
  80         sal_Int16 nSuperSampleFactor)
  81         throw (css::uno::RuntimeException);
  82
  83     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL createPreviewForCanvas (
  84         const ::css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  85         const css::awt::Size& rMaximumPreviewPixelSize,
  86         sal_Int16 nSuperSampleFactor,
  87         const ::css::uno::Reference<css::rendering::XCanvas>& rxCanvas)
  88         throw (css::uno::RuntimeException);
  89
  90     virtual css::awt::Size SAL_CALL calculatePreviewSize (
  91         double nSlideAspectRatio,
  92         const css::awt::Size& rMaximumPreviewPixelSize)
  93         throw (css::uno::RuntimeException);
  94
  95 private:
  96     PreviewRenderer maPreviewRenderer;
  97
  98     BitmapEx CreatePreview (
  99         const ::css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
 100         const css::awt::Size& rMaximumPreviewPixelSize,
 101         sal_Int16 nSuperSampleFactor)
 102         throw (css::uno::RuntimeException);
 103
 104     /** This method throws a DisposedException when the object has already been
 105         disposed.
 106     */
 107     void ThrowIfDisposed (void) throw (css::lang::DisposedException);
 108 };
 109
 110 } } // end of namespace ::sd::presenter
 111
 112 #endif