Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 126 insertions, 0 deletions

diff --git a/svgio/source/svgreader/SvgNumber.cxx b/svgio/source/svgreader/SvgNumber.cxx
new file mode 100644
index 000000000..c1558f3e6
--- /dev/null
+++ b/svgio/source/svgreader/SvgNumber.cxx
@@ -0,0 +1,126 @@
+/* -*- 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: */