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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /slideshow/source/engine/transitions/barndoorwipe.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'slideshow/source/engine/transitions/barndoorwipe.cxx')
-rw-r--r--slideshow/source/engine/transitions/barndoorwipe.cxx54
1 files changed, 54 insertions, 0 deletions
diff --git a/slideshow/source/engine/transitions/barndoorwipe.cxx b/slideshow/source/engine/transitions/barndoorwipe.cxx
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+++ b/slideshow/source/engine/transitions/barndoorwipe.cxx
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+/* -*- 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 <basegfx/numeric/ftools.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include "barndoorwipe.hxx"
+
+
+namespace slideshow::internal {
+
+::basegfx::B2DPolyPolygon BarnDoorWipe::operator () ( double t )
+{
+ if (m_doubled)
+ t /= 2.0;
+
+ basegfx::B2DHomMatrix aTransform(basegfx::utils::createTranslateB2DHomMatrix(-0.5, -0.5));
+ aTransform.scale( ::basegfx::pruneScaleValue(t), 1.0 );
+ aTransform.translate( 0.5, 0.5 );
+ ::basegfx::B2DPolygon poly( m_unitRect );
+ poly.transform( aTransform );
+ ::basegfx::B2DPolyPolygon res(poly);
+
+ if (m_doubled) {
+ aTransform = basegfx::utils::createTranslateB2DHomMatrix(-0.5, -0.5);
+ aTransform.rotate( M_PI_2 );
+ aTransform.translate( 0.5, 0.5 );
+ poly.transform( aTransform );
+ res.append(poly);
+ }
+
+ return res;
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */