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Diffstat (limited to 'svgio/source/svgreader/SvgNumber.cxx')
| -rw-r--r-- | svgio/source/svgreader/SvgNumber.cxx | 126 |
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: */ |