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 #pragma once
  21
  22 #include <PreviewRenderer.hxx>
  23 #include <com/sun/star/drawing/XSlideRenderer.hpp>
  24 #include <com/sun/star/lang/XInitialization.hpp>
  25 #include <com/sun/star/lang/XServiceInfo.hpp>
  26
  27 #include <comphelper/compbase.hxx>
  28
  29 namespace com::sun::star::drawing { class XDrawPage; }
  30
  31 namespace sd::presenter {
  32
  33 typedef comphelper::WeakComponentImplHelper <
  34     css::drawing::XSlideRenderer,
  35     css::lang::XInitialization,
  36     css::lang::XServiceInfo
  37 > SlideRendererInterfaceBase;
  38
  39 /** Render single slides into bitmaps.
  40 */
  41 class SlideRenderer final
  42     : public SlideRendererInterfaceBase
  43 {
  44 public:
  45     SlideRenderer ();
  46     virtual ~SlideRenderer() override;
  47     SlideRenderer(const SlideRenderer&) = delete;
  48     SlideRenderer& operator=(const SlideRenderer&) = delete;
  49
  50     // XInitialization
  51
  52     virtual void SAL_CALL initialize (const css::uno::Sequence<css::uno::Any>& rArguments) override;
  53
  54     OUString SAL_CALL getImplementationName() override;
  55
  56     sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
  57
  58     css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames() override;
  59
  60     // XSlideRenderer
  61
  62     virtual css::uno::Reference<css::awt::XBitmap> SAL_CALL createPreview (
  63         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  64         const css::awt::Size& rMaximumPreviewPixelSize,
  65         sal_Int16 nSuperSampleFactor) override;
  66
  67     virtual css::uno::Reference<css::rendering::XBitmap> SAL_CALL createPreviewForCanvas (
  68         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  69         const css::awt::Size& rMaximumPreviewPixelSize,
  70         sal_Int16 nSuperSampleFactor,
  71         const css::uno::Reference<css::rendering::XCanvas>& rxCanvas) override;
  72
  73     virtual css::awt::Size SAL_CALL calculatePreviewSize (
  74         double nSlideAspectRatio,
  75         const css::awt::Size& rMaximumPreviewPixelSize) override;
  76
  77 private:
  78     PreviewRenderer maPreviewRenderer;
  79
  80     /// @throws css::uno::RuntimeException
  81     BitmapEx CreatePreview (
  82         const css::uno::Reference<css::drawing::XDrawPage>& rxSlide,
  83         const css::awt::Size& rMaximumPreviewPixelSize,
  84         sal_Int16 nSuperSampleFactor);
  85
  86     /** @throws css::lang::DisposedException when the object has already been
  87         disposed.
  88     */
  89     void ThrowIfDisposed();
  90 };
  91
  92 } // end of namespace ::sd::presenter
  93
  94 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */