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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 <svgtextposition.hxx>
using namespace drawinglayer::primitive2d;
namespace svgio::svgreader
{
SvgTextPosition::SvgTextPosition(SvgTextPosition* pParent, const SvgTspanNode& rSvgTspanNode)
: mpParent(pParent)
, maRotate(solveSvgNumberVector(rSvgTspanNode.getRotate(), rSvgTspanNode))
, mfTextLength(0.0)
, mnRotationIndex(0)
, mbLengthAdjust(rSvgTspanNode.getLengthAdjust())
, mbAbsoluteX(false)
{
const InfoProvider& rInfoProvider(rSvgTspanNode);
// get TextLength if provided
if (rSvgTspanNode.getTextLength().isSet())
{
mfTextLength = rSvgTspanNode.getTextLength().solve(rInfoProvider);
}
// SVG does not really define in which units a \91rotate\92 for Text/TSpan is given,
// but it seems to be degrees. Convert here to radians
if (!maRotate.empty())
{
for (double& f : maRotate)
{
f = basegfx::deg2rad(f);
}
}
// get text positions X
const sal_uInt32 nSizeX(rSvgTspanNode.getX().size());
if (nSizeX)
{
// we have absolute positions, get first one as current text position X
maPosition.setX(rSvgTspanNode.getX()[0].solve(rInfoProvider, NumberType::xcoordinate));
mbAbsoluteX = true;
}
else
{
// no absolute position, get from parent
if (pParent)
{
maPosition.setX(pParent->getPosition().getX());
}
}
const sal_uInt32 nSizeDx(rSvgTspanNode.getDx().size());
if (nSizeDx)
{
// relative positions given, translate position derived from parent
maPosition.setX(maPosition.getX()
+ rSvgTspanNode.getDx()[0].solve(rInfoProvider, NumberType::xcoordinate));
}
// fill deltas to maX
maX.reserve(nSizeX);
for (sal_uInt32 a(1); a < std::max(nSizeX, nSizeDx); ++a)
{
if (a < nSizeX)
{
double nPos = rSvgTspanNode.getX()[a].solve(rInfoProvider, NumberType::xcoordinate)
- maPosition.getX();
if (a < nSizeDx)
{
nPos += rSvgTspanNode.getDx()[a].solve(rInfoProvider, NumberType::xcoordinate);
}
maX.push_back(nPos);
}
else
{
// Apply them later since it also needs the character width to calculate
// the final character position
maDx.push_back(rSvgTspanNode.getDx()[a].solve(rInfoProvider, NumberType::xcoordinate));
}
}
// get text positions Y
const sal_uInt32 nSizeY(rSvgTspanNode.getY().size());
if (nSizeY)
{
// we have absolute positions, get first one as current text position Y
maPosition.setY(rSvgTspanNode.getY()[0].solve(rInfoProvider, NumberType::ycoordinate));
mbAbsoluteX = true;
}
else
{
// no absolute position, get from parent
if (pParent)
{
maPosition.setY(pParent->getPosition().getY());
}
}
const sal_uInt32 nSizeDy(rSvgTspanNode.getDy().size());
if (nSizeDy)
{
// relative positions given, translate position derived from parent
maPosition.setY(maPosition.getY()
+ rSvgTspanNode.getDy()[0].solve(rInfoProvider, NumberType::ycoordinate));
}
// fill deltas to maY
maY.reserve(nSizeY);
for (sal_uInt32 a(1); a < nSizeY; a++)
{
double nPos = rSvgTspanNode.getY()[a].solve(rInfoProvider, NumberType::ycoordinate)
- maPosition.getY();
if (a < nSizeDy)
{
nPos += rSvgTspanNode.getDy()[a].solve(rInfoProvider, NumberType::ycoordinate);
}
maY.push_back(nPos);
}
}
bool SvgTextPosition::isRotated() const
{
if (maRotate.empty())
{
if (getParent())
{
return getParent()->isRotated();
}
else
{
return false;
}
}
else
{
return true;
}
}
double SvgTextPosition::consumeRotation()
{
double fRetval(0.0);
if (maRotate.empty())
{
if (getParent())
{
fRetval = mpParent->consumeRotation();
}
else
{
fRetval = 0.0;
}
}
else
{
const sal_uInt32 nSize(maRotate.size());
if (mnRotationIndex < nSize)
{
fRetval = maRotate[mnRotationIndex++];
}
else
{
fRetval = maRotate[nSize - 1];
}
}
return fRetval;
}
} // end of namespace svgio
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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