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 { namespace presenter {
  32
  33 PresenterSprite::PresenterSprite()
  34     : mxSpriteFactory(),
  35       mxSprite(),
  36       maSize(0,0),
  37       maLocation(0,0),
  38       mbIsVisible(false),
  39       mnPriority(0),
  40       mnAlpha(1.0)
  41 {
  42 }
  43
  44 PresenterSprite::~PresenterSprite()
  45 {
  46     if (mxSprite.is())
  47     {
  48         mxSprite->hide();
  49         Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
  50         if (xComponent.is())
  51             xComponent->dispose();
  52         mxSprite = NULL;
  53     }
  54 }
  55
  56 void PresenterSprite::SetFactory (
  57     const css::uno::Reference<css::rendering::XSpriteCanvas>& rxSpriteFactory)
  58 {
  59     if (mxSpriteFactory != rxSpriteFactory)
  60     {
  61         DisposeSprite();
  62         mxSpriteFactory = rxSpriteFactory;
  63         if (mbIsVisible)
  64             ProvideSprite();
  65     }
  66 }
  67
  68 css::uno::Reference<css::rendering::XCanvas> PresenterSprite::GetCanvas()
  69 {
  70     ProvideSprite();
  71     if (mxSprite.is())
  72         return mxSprite->getContentCanvas();
  73     else
  74         return NULL;
  75 }
  76
  77 void PresenterSprite::Show()
  78 {
  79     mbIsVisible = true;
  80     if (mxSprite.is())
  81         mxSprite->show();
  82     else
  83         ProvideSprite();
  84 }
  85
  86 void PresenterSprite::Hide()
  87 {
  88     mbIsVisible = false;
  89     if (mxSprite.is())
  90         mxSprite->hide();
  91 }
  92
  93 void PresenterSprite::Resize (const css::geometry::RealSize2D& rSize)
  94 {
  95     maSize = rSize;
  96     if (mxSprite.is())
  97         DisposeSprite();
  98     if (mbIsVisible)
  99         ProvideSprite();
 100 }
 101
 102 void PresenterSprite::MoveTo (const css::geometry::RealPoint2D& rLocation)
 103 {
 104     maLocation = rLocation;
 105     if (mxSprite.is())
 106         mxSprite->move(
 107             maLocation,
 108             rendering::ViewState(
 109                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 110                 NULL),
 111             rendering::RenderState(
 112                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 113                 NULL,
 114                 uno::Sequence<double>(4),
 115                 rendering::CompositeOperation::SOURCE)
 116             );
 117 }
 118
 119 void PresenterSprite::Update()
 120 {
 121     if (mxSpriteFactory.is())
 122         mxSpriteFactory->updateScreen(sal_False);
 123 }
 124
 125 void PresenterSprite::ProvideSprite()
 126 {
 127     if ( ! mxSprite.is()
 128         && mxSpriteFactory.is()
 129         && maSize.Width>0
 130         && maSize.Height>0)
 131     {
 132         mxSprite = mxSpriteFactory->createCustomSprite(maSize);
 133         if (mxSprite.is())
 134         {
 135             mxSprite->move(maLocation,
 136                 rendering::ViewState(
 137                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 138                 NULL),
 139             rendering::RenderState(
 140                 geometry::AffineMatrix2D(1,0,0, 0,1,0),
 141                 NULL,
 142                 uno::Sequence<double>(4),
 143                 rendering::CompositeOperation::SOURCE)
 144                 );
 145             mxSprite->setAlpha(mnAlpha);
 146             mxSprite->setPriority(mnPriority);
 147             if (mbIsVisible)
 148                 mxSprite->show();
 149         }
 150     }
 151 }
 152
 153 void PresenterSprite::DisposeSprite()
 154 {
 155     if (mxSprite.is())
 156     {
 157         mxSprite->hide();
 158         Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
 159         if (xComponent.is())
 160             xComponent->dispose();
 161         mxSprite = NULL;
 162     }
 163 }
 164
 165 } } //end of namespace sdext::presenter
 166
 167 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */