LibreOffice Module sdext (master)  1
PresenterSprite.cxx
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
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8  *
9  * This file incorporates work covered by the following license notice:
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11  * Licensed to the Apache Software Foundation (ASF) under one or more
12  * contributor license agreements. See the NOTICE file distributed
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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 
34  : maSize(0,0),
35  maLocation(0,0),
36  mbIsVisible(false)
37 {
38 }
39 
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 
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 
74 {
75  mbIsVisible = true;
76  if (mxSprite.is())
77  mxSprite->show();
78  else
79  ProvideSprite();
80 }
81 
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 
116 {
117  if (mxSpriteFactory.is())
118  mxSpriteFactory->updateScreen(false);
119 }
120 
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 
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: */
css::geometry::RealSize2D maSize
css::uno::Reference< css::rendering::XCustomSprite > mxSprite
awt::Point maLocation
void SetFactory(const css::uno::Reference< css::rendering::XSpriteCanvas > &rxSpriteFactory)
The given sprite canvas is used as factory to create the sprite that is wrapped by objects of this cl...
css::uno::Reference< css::rendering::XCanvas > GetCanvas()
css::uno::Reference< css::rendering::XSpriteCanvas > mxSpriteFactory
void MoveTo(const css::geometry::RealPoint2D &rLocation)
css::geometry::RealPoint2D maLocation
void Resize(const css::geometry::RealSize2D &rSize)
geometry::RealSize2D maSize