sdext/source/presenter/PresenterSprite.cxx

   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 #include "PresenterSprite.hxx"
  21
  22 #include <com/sun/star/lang/XComponent.hpp>
  23 #include <com/sun/star/rendering/CompositeOperation.hpp>
  24 #include <com/sun/star/rendering/RenderState.hpp>
  25 #include <com/sun/star/rendering/ViewState.hpp>
  26
  27 using namespace ::com::sun::star;
  28 using ::com::sun::star::uno::Reference;
  29 using ::com::sun::star::uno::UNO_QUERY;
  30
  31 namespace sdext::presenter {
  32
  33 PresenterSprite::PresenterSprite()
  34     : mxSpriteFactory(),
  35       mxSprite(),
  36       maSize(0,0),
  37       maLocation(0,0),
  38       mbIsVisible(false)
  39 {
  40 }
  41
  42 PresenterSprite::~PresenterSprite()
  43 {
  44     if (mxSprite.is())
  45     {
  46         mxSprite->hide();
  47         Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
  48         if (xComponent.is())
  49             xComponent->dispose();
  50         mxSprite = nullptr;
  51     }
  52 }
  53
  54 void PresenterSprite::SetFactory (
  55     const css::uno::Reference<css::rendering::XSpriteCanvas>& rxSpriteFactory)
  56 {
  57     if (mxSpriteFactory != rxSpriteFactory)
  58     {
  59         DisposeSprite();
  60         mxSpriteFactory = rxSpriteFactory;
  61         if (mbIsVisible)
  62             ProvideSprite();
  63     }
  64 }
  65
  66 css::uno::Reference<css::rendering::XCanvas> PresenterSprite::GetCanvas()
  67 {
  68     ProvideSprite();
  69     if (mxSprite.is())
  70         return mxSprite->getContentCanvas();
  71     else
  72         return nullptr;
  73 }
  74
  75 void PresenterSprite::Show()
  76 {
  77     mbIsVisible = true;
  78     if (mxSprite.is())
  79         mxSprite->show();
  80     else
  81         ProvideSprite();
  82 }
  83
  84 void PresenterSprite::Hide()
  85 {
  86     mbIsVisible = false;
  87     if (mxSprite.is())
  88         mxSprite->hide();
  89 }
  90
  91 void PresenterSprite::Resize (const css::geometry::RealSize2D& rSize)
  92 {
  93     maSize = rSize;
  94     if (mxSprite.is())
  95         DisposeSprite();
  96     if (mbIsVisible)
  97         ProvideSprite();
  98 }
  99
 100 void PresenterSprite::MoveTo (const css::geometry::RealPoint2D& rLocation)
 101 {
 102     maLocation = rLocation;
 103     if (mxSprite.is())
 104         mxSprite->move(
 105             maLocation,
 106             rendering::ViewState(
 107                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 108                 nullptr),
 109             rendering::RenderState(
 110                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 111                 nullptr,
 112                 uno::Sequence<double>(4),
 113                 rendering::CompositeOperation::SOURCE)
 114             );
 115 }
 116
 117 void PresenterSprite::Update()
 118 {
 119     if (mxSpriteFactory.is())
 120         mxSpriteFactory->updateScreen(false);
 121 }
 122
 123 void PresenterSprite::ProvideSprite()
 124 {
 125     if ( !(! mxSprite.is()
 126         && mxSpriteFactory.is()
 127         && maSize.Width>0
 128         && maSize.Height>0))
 129         return;
 130
 131     mxSprite = mxSpriteFactory->createCustomSprite(maSize);
 132     if (!mxSprite.is())
 133         return;
 134
 135     mxSprite->move(maLocation,
 136         rendering::ViewState(
 137         geometry::AffineMatrix2D(1,0,0, 0,1,0),
 138         nullptr),
 139     rendering::RenderState(
 140         geometry::AffineMatrix2D(1,0,0, 0,1,0),
 141         nullptr,
 142         uno::Sequence<double>(4),
 143         rendering::CompositeOperation::SOURCE)
 144         );
 145     mxSprite->setAlpha(1.0);
 146     mxSprite->setPriority(0);
 147     if (mbIsVisible)
 148         mxSprite->show();
 149 }
 150
 151 void PresenterSprite::DisposeSprite()
 152 {
 153     if (mxSprite.is())
 154     {
 155         mxSprite->hide();
 156         Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
 157         if (xComponent.is())
 158             xComponent->dispose();
 159         mxSprite = nullptr;
 160     }
 161 }
 162
 163 } //end of namespace sdext::presenter
 164
 165 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */