office-gobmx/sd/source/ui/presenter/SlideRenderer.hxx

108 lines
3.6 KiB
C++

/*************************************************************************
*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
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*
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#ifndef SD_PRESENTER_SLIDE_PREVIEW_HXX
#define SD_PRESENTER_SLIDE_PREVIEW_HXX
#include "PreviewRenderer.hxx"
#include <com/sun/star/drawing/XDrawPage.hpp>
#include <com/sun/star/drawing/XSlideRenderer.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/rendering/XSpriteCanvas.hpp>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase2.hxx>
#include <boost/noncopyable.hpp>
namespace css = ::com::sun::star;
namespace sd { namespace presenter {
namespace {
typedef ::cppu::WeakComponentImplHelper2 <
css::drawing::XSlideRenderer,
css::lang::XInitialization
> SlideRendererInterfaceBase;
}
/** Render single slides into bitmaps.
*/
class SlideRenderer
: private ::boost::noncopyable,
protected ::cppu::BaseMutex,
public SlideRendererInterfaceBase
{
public:
explicit SlideRenderer (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
virtual ~SlideRenderer (void);
virtual void SAL_CALL disposing (void);
// XInitialization
virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments)
throw (css::uno::Exception, css::uno::RuntimeException);
// 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)
throw (css::uno::RuntimeException);
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)
throw (css::uno::RuntimeException);
virtual css::awt::Size SAL_CALL calculatePreviewSize (
double nSlideAspectRatio,
const css::awt::Size& rMaximumPreviewPixelSize)
throw (css::uno::RuntimeException);
private:
PreviewRenderer maPreviewRenderer;
BitmapEx CreatePreview (
const ::css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
const css::awt::Size& rMaximumPreviewPixelSize,
sal_Int16 nSuperSampleFactor)
throw (css::uno::RuntimeException);
/** This method throws a DisposedException when the object has already been
disposed.
*/
void ThrowIfDisposed (void) throw (css::lang::DisposedException);
};
} } // end of namespace ::sd::presenter
#endif