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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: */
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