summaryrefslogtreecommitdiffstats
path: root/basegfx/source/range/b2drange.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'basegfx/source/range/b2drange.cxx')
-rw-r--r--basegfx/source/range/b2drange.cxx83
1 files changed, 83 insertions, 0 deletions
diff --git a/basegfx/source/range/b2drange.cxx b/basegfx/source/range/b2drange.cxx
new file mode 100644
index 000000000..55b545933
--- /dev/null
+++ b/basegfx/source/range/b2drange.cxx
@@ -0,0 +1,83 @@
+/* -*- 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/range/b2drange.hxx>
+#include <basegfx/range/b2irange.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+
+namespace basegfx
+{
+ B2DRange::B2DRange( const B2IRange& rRange ) :
+ maRangeX(),
+ maRangeY()
+ {
+ if( !rRange.isEmpty() )
+ {
+ maRangeX = MyBasicRange(rRange.getMinX());
+ maRangeY = MyBasicRange(rRange.getMinY());
+
+ maRangeX.expand(rRange.getMaxX());
+ maRangeY.expand(rRange.getMaxY());
+ }
+ }
+
+ void B2DRange::transform(const B2DHomMatrix& rMatrix)
+ {
+ if(!isEmpty() && !rMatrix.isIdentity())
+ {
+ const B2DRange aSource(*this);
+ reset();
+ expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
+ expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
+ expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
+ expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
+ }
+ }
+
+ B2DRange& B2DRange::operator*=( const ::basegfx::B2DHomMatrix& rMat )
+ {
+ transform(rMat);
+ return *this;
+ }
+
+ const B2DRange& B2DRange::getUnitB2DRange()
+ {
+ static const B2DRange aUnitB2DRange(0.0, 0.0, 1.0, 1.0);
+
+ return aUnitB2DRange;
+ }
+
+ B2IRange fround(const B2DRange& rRange)
+ {
+ return rRange.isEmpty() ?
+ B2IRange() :
+ B2IRange(fround(rRange.getMinimum()),
+ fround(rRange.getMaximum()));
+ }
+
+ B2DRange operator*( const ::basegfx::B2DHomMatrix& rMat, const B2DRange& rB2DRange )
+ {
+ B2DRange aRes( rB2DRange );
+ aRes *= rMat;
+ return aRes;
+ }
+
+} // end of namespace basegfx
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */