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/XSlideRenderer.hpp>
  25 #include <com/sun/star/lang/XInitialization.hpp>
  26 #include <com/sun/star/lang/XServiceInfo.hpp>
  27
  28 #include <cppuhelper/basemutex.hxx>
  29 #include <cppuhelper/compbase.hxx>
  30
  31 namespace com { namespace sun { namespace star { namespace drawing { class XDrawPage; } } } }
  32
  33 namespace sd { namespace presenter {
  34
  35 typedef ::cppu::WeakComponentImplHelper <
  36     css::drawing::XSlideRenderer,
  37     css::lang::XInitialization,
  38     css::lang::XServiceInfo
  39 > SlideRendererInterfaceBase;
  40
  41 /** Render single slides into bitmaps.
  42 */
  43 class SlideRenderer
  44     : protected ::cppu::BaseMutex,
  45       public SlideRendererInterfaceBase
  46 {
  47 public:
  48     SlideRenderer ();
  49     virtual ~SlideRenderer() override;
  50     SlideRenderer(const SlideRenderer&) = delete;
  51     SlideRenderer& operator=(const SlideRenderer&) = delete;
  52     virtual void SAL_CALL disposing() override;
  53
  54     // XInitialization
  55
  56     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
  57
  58     OUString SAL_CALL getImplementationName() override;
  59
  60     sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
  61
  62     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
  63
  64     // XSlideRenderer
  65
  66     virtual css::uno::Reference<css::awt::XBitmap> SAL_CALL createPreview (
  67         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  68         const css::awt::Size& rMaximumPreviewPixelSize,
  69         sal_Int16 nSuperSampleFactor) override;
  70
  71     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL createPreviewForCanvas (
  72         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  73         const css::awt::Size& rMaximumPreviewPixelSize,
  74         sal_Int16 nSuperSampleFactor,
  75         const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) override;
  76
  77     virtual css::awt::Size SAL_CALL calculatePreviewSize (
  78         double nSlideAspectRatio,
  79         const css::awt::Size& rMaximumPreviewPixelSize) override;
  80
  81 private:
  82     PreviewRenderer maPreviewRenderer;
  83
  84     /// @throws css::uno::RuntimeException
  85     BitmapEx CreatePreview (
  86         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  87         const css::awt::Size& rMaximumPreviewPixelSize,
  88         sal_Int16 nSuperSampleFactor);
  89
  90     /** @throws css::lang::DisposedException when the object has already been
  91         disposed.
  92     */
  93     void ThrowIfDisposed();
  94 };
  95
  96 } } // end of namespace ::sd::presenter
  97
  98 #endif
  99
 100 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */