sd/source/ui/presenter/SlideRenderer.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_SD_SOURCE_UI_PRESENTER_SLIDERENDERER_HXX
  21 #define INCLUDED_SD_SOURCE_UI_PRESENTER_SLIDERENDERER_HXX
  22
  23 #include "PreviewRenderer.hxx"
  24 #include <com/sun/star/drawing/XDrawPage.hpp>
  25 #include <com/sun/star/drawing/XSlideRenderer.hpp>
  26 #include <com/sun/star/lang/XInitialization.hpp>
  27 #include <com/sun/star/lang/XServiceInfo.hpp>
  28 #include <com/sun/star/rendering/XSpriteCanvas.hpp>
  29 #include <com/sun/star/uno/XComponentContext.hpp>
  30
  31 #include <cppuhelper/basemutex.hxx>
  32 #include <cppuhelper/compbase.hxx>
  33 #include <boost/noncopyable.hpp>
  34
  35 namespace sd { namespace presenter {
  36
  37 namespace {
  38     typedef ::cppu::WeakComponentImplHelper <
  39         css::drawing::XSlideRenderer,
  40         css::lang::XInitialization,
  41         css::lang::XServiceInfo
  42     > SlideRendererInterfaceBase;
  43 }
  44
  45 /** Render single slides into bitmaps.
  46 */
  47 class SlideRenderer
  48     : private ::boost::noncopyable,
  49       protected ::cppu::BaseMutex,
  50       public SlideRendererInterfaceBase
  51 {
  52 public:
  53     explicit SlideRenderer (const css::uno::Reference<css::uno::XComponentContext>& rxContext);
  54     virtual ~SlideRenderer();
  55     virtual void SAL_CALL disposing() SAL_OVERRIDE;
  56
  57     // XInitialization
  58
  59     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments)
  60         throw (css::uno::Exception, css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  61
  62     OUString SAL_CALL getImplementationName()
  63         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  64
  65     sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
  66         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  67
  68     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames()
  69         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  70
  71     // XSlideRenderer
  72
  73     virtual css::uno::Reference<css::awt::XBitmap> SAL_CALL createPreview (
  74         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  75         const css::awt::Size& rMaximumPreviewPixelSize,
  76         sal_Int16 nSuperSampleFactor)
  77         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  78
  79     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL createPreviewForCanvas (
  80         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  81         const css::awt::Size& rMaximumPreviewPixelSize,
  82         sal_Int16 nSuperSampleFactor,
  83         const css::uno::Reference<css::rendering::XCanvas>& rxCanvas)
  84         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  85
  86     virtual css::awt::Size SAL_CALL calculatePreviewSize (
  87         double nSlideAspectRatio,
  88         const css::awt::Size& rMaximumPreviewPixelSize)
  89         throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
  90
  91 private:
  92     PreviewRenderer maPreviewRenderer;
  93
  94     BitmapEx CreatePreview (
  95         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  96         const css::awt::Size& rMaximumPreviewPixelSize,
  97         sal_Int16 nSuperSampleFactor)
  98         throw (css::uno::RuntimeException, std::exception);
  99
 100     /** This method throws a DisposedException when the object has already been
 101         disposed.
 102     */
 103     void ThrowIfDisposed() throw (css::lang::DisposedException);
 104 };
 105
 106 } } // end of namespace ::sd::presenter
 107
 108 #endif
 109
 110 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */