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