1 files changed, 163 insertions, 0 deletions
diff --git a/sdext/source/presenter/PresenterSprite.cxx b/sdext/source/presenter/PresenterSprite.cxx
new file mode 100644
index 000000000..0f7c8f829
--- /dev/null
+++ b/sdext/source/presenter/PresenterSprite.cxx
@@ -0,0 +1,163 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include "PresenterSprite.hxx"
+
+#include <com/sun/star/lang/XComponent.hpp>
+#include <com/sun/star/rendering/CompositeOperation.hpp>
+#include <com/sun/star/rendering/RenderState.hpp>
+#include <com/sun/star/rendering/ViewState.hpp>
+
+using namespace ::com::sun::star;
+using ::com::sun::star::uno::Reference;
+using ::com::sun::star::uno::UNO_QUERY;
+
+namespace sdext::presenter {
+
+PresenterSprite::PresenterSprite()
+    : maSize(0,0),
+      maLocation(0,0),
+      mbIsVisible(false)
+{
+}
+
+PresenterSprite::~PresenterSprite()
+{
+    if (mxSprite.is())
+    {
+        mxSprite->hide();
+        Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
+        if (xComponent.is())
+            xComponent->dispose();
+        mxSprite = nullptr;
+    }
+}
+
+void PresenterSprite::SetFactory (
+    const css::uno::Reference<css::rendering::XSpriteCanvas>& rxSpriteFactory)
+{
+    if (mxSpriteFactory != rxSpriteFactory)
+    {
+        DisposeSprite();
+        mxSpriteFactory = rxSpriteFactory;
+        if (mbIsVisible)
+            ProvideSprite();
+    }
+}
+
+css::uno::Reference<css::rendering::XCanvas> PresenterSprite::GetCanvas()
+{
+    ProvideSprite();
+    if (mxSprite.is())
+        return mxSprite->getContentCanvas();
+    else
+        return nullptr;
+}
+
+void PresenterSprite::Show()
+{
+    mbIsVisible = true;
+    if (mxSprite.is())
+        mxSprite->show();
+    else
+        ProvideSprite();
+}
+
+void PresenterSprite::Hide()
+{
+    mbIsVisible = false;
+    if (mxSprite.is())
+        mxSprite->hide();
+}
+
+void PresenterSprite::Resize (const css::geometry::RealSize2D& rSize)
+{
+    maSize = rSize;
+    if (mxSprite.is())
+        DisposeSprite();
+    if (mbIsVisible)
+        ProvideSprite();
+}
+
+void PresenterSprite::MoveTo (const css::geometry::RealPoint2D& rLocation)
+{
+    maLocation = rLocation;
+    if (mxSprite.is())
+        mxSprite->move(
+            maLocation,
+            rendering::ViewState(
+                geometry::AffineMatrix2D(1,0,0, 0,1,0),
+                nullptr),
+            rendering::RenderState(
+                geometry::AffineMatrix2D(1,0,0, 0,1,0),
+                nullptr,
+                uno::Sequence<double>(4),
+                rendering::CompositeOperation::SOURCE)
+            );
+}
+
+void PresenterSprite::Update()
+{
+    if (mxSpriteFactory.is())
+        mxSpriteFactory->updateScreen(false);
+}
+
+void PresenterSprite::ProvideSprite()
+{
+    if ( !(! mxSprite.is()
+        && mxSpriteFactory.is()
+        && maSize.Width>0
+        && maSize.Height>0))
+        return;
+
+    mxSprite = mxSpriteFactory->createCustomSprite(maSize);
+    if (!mxSprite.is())
+        return;
+
+    mxSprite->move(maLocation,
+        rendering::ViewState(
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        nullptr),
+    rendering::RenderState(
+        geometry::AffineMatrix2D(1,0,0, 0,1,0),
+        nullptr,
+        uno::Sequence<double>(4),
+        rendering::CompositeOperation::SOURCE)
+        );
+    mxSprite->setAlpha(1.0);
+    mxSprite->setPriority(0);
+    if (mbIsVisible)
+        mxSprite->show();
+}
+
+void PresenterSprite::DisposeSprite()
+{
+    if (mxSprite.is())
+    {
+        mxSprite->hide();
+        Reference<lang::XComponent> xComponent (mxSprite, UNO_QUERY);
+        if (xComponent.is())
+            xComponent->dispose();
+        mxSprite = nullptr;
+    }
+}
+
+} //end of namespace sdext::presenter
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */