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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 <com/sun/star/drawing/PointSequence.hpp>
#include <com/sun/star/text/GraphicCrop.hpp>
#include <comphelper/sequence.hxx>
#include <tools/UnitConversion.hxx>
#include <ooxml/resourceids.hxx>
#include "WrapPolygonHandler.hxx"
#include "util.hxx"
#include <sal/log.hxx>
namespace writerfilter {
using namespace com::sun::star;
namespace dmapper {
WrapPolygon::WrapPolygon()
{
}
WrapPolygon::~WrapPolygon()
{
}
void WrapPolygon::addPoint(const awt::Point & rPoint)
{
mPoints.push_back(rPoint);
}
WrapPolygon::Points_t::const_iterator WrapPolygon::begin() const
{
return mPoints.begin();
}
WrapPolygon::Points_t::const_iterator WrapPolygon::end() const
{
return mPoints.end();
}
WrapPolygon::Pointer_t WrapPolygon::move(const awt::Point & rPoint) const
{
WrapPolygon::Pointer_t pResult(new WrapPolygon);
Points_t::const_iterator aIt = begin();
Points_t::const_iterator aItEnd = end();
while (aIt != aItEnd)
{
awt::Point aPoint(aIt->X + rPoint.X, aIt->Y + rPoint.Y);
pResult->addPoint(aPoint);
++aIt;
}
return pResult;
}
WrapPolygon::Pointer_t WrapPolygon::scale(const Fraction & rFractionX, const Fraction & rFractionY) const
{
WrapPolygon::Pointer_t pResult(new WrapPolygon);
Points_t::const_iterator aIt = begin();
Points_t::const_iterator aItEnd = end();
while (aIt != aItEnd)
{
awt::Point aPoint(sal_Int32(Fraction(tools::Long(aIt->X)) * rFractionX), sal_Int32(Fraction(tools::Long(aIt->Y)) * rFractionY));
pResult->addPoint(aPoint);
++aIt;
}
return pResult;
}
WrapPolygon::Pointer_t WrapPolygon::correctWordWrapPolygon(const awt::Size & rSrcSize) const
{
WrapPolygon::Pointer_t pResult;
const tools::Long nWrap100Percent = 21600;
Fraction aMove(nWrap100Percent, rSrcSize.Width);
aMove = aMove * Fraction(convertTwipToMm100(15), 1);
awt::Point aMovePoint(sal_Int32(aMove), 0);
pResult = move(aMovePoint);
Fraction aScaleX = nWrap100Percent / (nWrap100Percent + aMove);
Fraction aScaleY = nWrap100Percent / (nWrap100Percent - aMove);
pResult = pResult->scale(aScaleX, aScaleY);
Fraction aScaleSrcX(rSrcSize.Width, nWrap100Percent);
Fraction aScaleSrcY(rSrcSize.Height, nWrap100Percent);
pResult = pResult->scale(aScaleSrcX, aScaleSrcY);
return pResult;
}
WrapPolygon::Pointer_t WrapPolygon::correctWordWrapPolygonPixel(const awt::Size & rSrcSize) const
{
WrapPolygon::Pointer_t pResult;
/*
* https://msdn.microsoft.com/en-us/library/ee342530.aspx
*
* Image wrapping polygons in Microsoft Word use a fixed coordinate space
* that is 21600 units x 21600 units. Coordinate (0,0) is the upper left
* corner of the image and coordinate (21600,21600) is the lower right
* corner of the image. Microsoft Word scales the size of the wrapping
* polygon units to fit the size of the image. The 21600 value is a legacy
* artifact from the drawing layer of early versions of Microsoft Office.
*/
const tools::Long nWrap100Percent = 21600;
Fraction aScaleX(rSrcSize.Width, nWrap100Percent);
Fraction aScaleY(rSrcSize.Height, nWrap100Percent);
pResult = scale(aScaleX, aScaleY);
return pResult;
}
WrapPolygon::Pointer_t WrapPolygon::correctCrop(const awt::Size& rGraphicSize,
const text::GraphicCrop& rGraphicCrop) const
{
WrapPolygon::Pointer_t pResult;
Fraction aScaleX(rGraphicSize.Width - rGraphicCrop.Left - rGraphicCrop.Right,
rGraphicSize.Width);
Fraction aScaleY(rGraphicSize.Height - rGraphicCrop.Top - rGraphicCrop.Bottom,
rGraphicSize.Height);
pResult = scale(aScaleX, aScaleY);
awt::Point aMove(rGraphicCrop.Left, rGraphicCrop.Top);
pResult = pResult->move(aMove);
return pResult;
}
drawing::PointSequenceSequence WrapPolygon::getPointSequenceSequence() const
{
drawing::PointSequenceSequence aPolyPolygon(1);
drawing::PointSequence aPolygon = comphelper::containerToSequence(mPoints);
aPolyPolygon[0] = aPolygon;
return aPolyPolygon;
}
WrapPolygonHandler::WrapPolygonHandler()
: LoggedProperties("WrapPolygonHandler")
, mpPolygon(new WrapPolygon)
, mnX(0)
, mnY(0)
{
}
WrapPolygonHandler::~WrapPolygonHandler()
{
}
void WrapPolygonHandler::lcl_attribute(Id Name, Value & val)
{
sal_Int32 nIntValue = val.getInt();
switch(Name)
{
case NS_ooxml::LN_CT_Point2D_x:
mnX = nIntValue;
break;
case NS_ooxml::LN_CT_Point2D_y:
mnY = nIntValue;
break;
default:
SAL_WARN("writerfilter", "WrapPolygonHandler::lcl_attribute: unhandled token: " << Name);
break;
}
}
void WrapPolygonHandler::lcl_sprm(Sprm & _sprm)
{
switch (_sprm.getId())
{
case NS_ooxml::LN_CT_WrapPath_lineTo:
case NS_ooxml::LN_CT_WrapPath_start:
{
resolveSprmProps(*this, _sprm);
awt::Point aPoint(mnX, mnY);
mpPolygon->addPoint(aPoint);
}
break;
default:
SAL_WARN("writerfilter", "WrapPolygonHandler::lcl_sprm: unhandled token: " << _sprm.getId());
break;
}
}
}}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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