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-rw-r--r--svgio/source/svgreader/SvgNumber.cxx126
1 files changed, 126 insertions, 0 deletions
diff --git a/svgio/source/svgreader/SvgNumber.cxx b/svgio/source/svgreader/SvgNumber.cxx
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+++ b/svgio/source/svgreader/SvgNumber.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 <SvgNumber.hxx>
+
+#include <o3tl/unit_conversion.hxx>
+#include <sal/log.hxx>
+
+namespace svgio::svgreader
+{
+
+double SvgNumber::solveNonPercentage(const InfoProvider& rInfoProvider) const
+{
+ if (!isSet())
+ {
+ SAL_WARN("svgio", "SvgNumber not set (!)");
+ return 0.0;
+ }
+
+ switch (meUnit)
+ {
+ case SvgUnit::em:
+ return mfNumber * rInfoProvider.getCurrentFontSizeInherited();
+ case SvgUnit::ex:
+ return mfNumber * rInfoProvider.getCurrentXHeightInherited() * 0.5;
+ case SvgUnit::px:
+ return mfNumber;
+ case SvgUnit::pt:
+ return o3tl::convert(mfNumber, o3tl::Length::pt, o3tl::Length::px);
+ case SvgUnit::pc:
+ return o3tl::convert(mfNumber, o3tl::Length::pc, o3tl::Length::px);
+ case SvgUnit::cm:
+ return o3tl::convert(mfNumber, o3tl::Length::cm, o3tl::Length::px);
+ case SvgUnit::mm:
+ return o3tl::convert(mfNumber, o3tl::Length::mm, o3tl::Length::px);
+ case SvgUnit::in:
+ return o3tl::convert(mfNumber, o3tl::Length::in, o3tl::Length::px);
+ case SvgUnit::none:
+ {
+ SAL_WARN("svgio", "Design error, this case should have been handled in the caller");
+ return mfNumber;
+ }
+ case SvgUnit::percent:
+ {
+ SAL_WARN("svgio", "Do not use with percentage!");
+ break;
+ }
+ }
+
+ return 0.0;
+}
+
+double SvgNumber::solve(const InfoProvider& rInfoProvider, NumberType aNumberType) const
+{
+ if (!isSet())
+ {
+ SAL_WARN("svgio", "SvgNumber not set (!)");
+ return 0.0;
+ }
+
+ if (meUnit == SvgUnit::percent)
+ {
+ double fRetval(mfNumber * 0.01);
+ basegfx::B2DRange aViewPort = rInfoProvider.getCurrentViewPort();
+
+ if ( aViewPort.isEmpty() )
+ {
+ SAL_WARN("svgio", "Design error, this case should have been handled in the caller");
+ // no viewPort, assume a normal page size (A4)
+ aViewPort = basegfx::B2DRange(
+ 0.0,
+ 0.0,
+ o3tl::convert(210.0, o3tl::Length::cm, o3tl::Length::px), // should it be mm?
+ o3tl::convert(297.0, o3tl::Length::cm, o3tl::Length::px));
+
+ }
+
+ if ( !aViewPort.isEmpty() )
+ {
+ if (NumberType::xcoordinate == aNumberType)
+ {
+ // it's a x-coordinate, relative to current width (w)
+ fRetval *= aViewPort.getWidth();
+ }
+ else if (NumberType::ycoordinate == aNumberType)
+ {
+ // it's a y-coordinate, relative to current height (h)
+ fRetval *= aViewPort.getHeight();
+ }
+ else // length
+ {
+ // it's a length, relative to sqrt((w^2 + h^2)/2)
+ const double fCurrentWidth(aViewPort.getWidth());
+ const double fCurrentHeight(aViewPort.getHeight());
+ const double fCurrentLength(
+ sqrt((fCurrentWidth * fCurrentWidth + fCurrentHeight * fCurrentHeight)/2.0));
+
+ fRetval *= fCurrentLength;
+ }
+ }
+
+ return fRetval;
+ }
+
+ return solveNonPercentage( rInfoProvider);
+}
+
+} // end of namespace svgio::svgreader
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */