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Diffstat (limited to '')
| -rw-r--r-- | sdext/source/pdfimport/misc/pdfihelper.cxx | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/misc/pdfihelper.cxx b/sdext/source/pdfimport/misc/pdfihelper.cxx new file mode 100644 index 000000000..8268be6b9 --- /dev/null +++ b/sdext/source/pdfimport/misc/pdfihelper.cxx @@ -0,0 +1,119 @@ +/* -*- 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 <pdfihelper.hxx> + +#include <rtl/ustrbuf.hxx> +#include <basegfx/numeric/ftools.hxx> +#include <rtl/math.hxx> + +#include <math.h> + +using namespace pdfi; +using namespace com::sun::star; + +double pdfi::GetAverageTransformationScale(const basegfx::B2DHomMatrix& matrix) +{ + double rotate, shearX; + basegfx::B2DTuple scale, translation; + matrix.decompose(scale, translation, rotate, shearX); + return (fabs(scale.getX()) + fabs(scale.getY())) / 2.0; +} + +void pdfi::FillDashStyleProps(PropertyMap& props, const std::vector<double>& dashArray, double scale) +{ + size_t pairCount = dashArray.size() / 2; + + double distance = 0.0; + for (size_t i = 0; i < pairCount; i++) + distance += dashArray[i * 2 + 1]; + distance /= pairCount; + + props["draw:style"] = "rect"; + props["draw:distance"] = convertPixelToUnitString(distance * scale); + + int dotStage = 0; + int dotCounts[3] = {0, 0, 0}; + double dotLengths[3] = {0.0, 0.0, 0.0}; + + for (size_t i = 0; i < pairCount; i++) + { + if (!rtl::math::approxEqual(dotLengths[dotStage], dashArray[i * 2])) + { + dotStage++; + if (dotStage == 3) + break; + + dotCounts[dotStage] = 1; + dotLengths[dotStage] = dashArray[i * 2]; + } + else + { + dotCounts[dotStage]++; + } + } + + for (int i = 1; i < 3; i++) + { + if (dotCounts[i] == 0) + continue; + props["draw:dots" + OUString::number(i)] = OUString::number(dotCounts[i]); + props["draw:dots" + OUString::number(i) + "-length"] = + convertPixelToUnitString(dotLengths[i] * scale); + } +} + +OUString pdfi::getColorString( const rendering::ARGBColor& rCol ) +{ + OUStringBuffer aBuf( 7 ); + const sal_uInt8 nRed ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Red * 255.0 ) ) ); + const sal_uInt8 nGreen( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Green * 255.0 ) ) ); + const sal_uInt8 nBlue ( sal::static_int_cast<sal_Int8>( basegfx::fround( rCol.Blue * 255.0 ) ) ); + aBuf.append( '#' ); + if( nRed < 16 ) + aBuf.append( '0' ); + aBuf.append( sal_Int32(nRed), 16 ); + if( nGreen < 16 ) + aBuf.append( '0' ); + aBuf.append( sal_Int32(nGreen), 16 ); + if( nBlue < 16 ) + aBuf.append( '0' ); + aBuf.append( sal_Int32(nBlue), 16 ); + + return aBuf.makeStringAndClear(); +} + +OUString pdfi::getPercentString(double value) +{ + return OUString::number(value) + "%"; +} + +OUString pdfi::unitMMString( double fMM ) +{ + return OUString::number(rtl_math_round( fMM, 2, rtl_math_RoundingMode_Floor )) + "mm"; +} + +OUString pdfi::convertPixelToUnitString( double fPix ) +{ + return OUString::number( rtl_math_round( convPx2mm( fPix ), 2, rtl_math_RoundingMode_Floor ) ) + "mm"; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |