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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* Version: MPL 1.1 / GPLv3+ / LGPLv3+
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License or as specified alternatively below. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* Major Contributor(s):
* Copyright (C) 2012 Markus Mohrhard <markus.mohrhard@googlemail.com> (initial developer)
*
* All Rights Reserved.
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 3 or later (the "GPLv3+"), or
* the GNU Lesser General Public License Version 3 or later (the "LGPLv3+"),
* in which case the provisions of the GPLv3+ or the LGPLv3+ are applicable
* instead of those above.
*/
#include "colorscale.hxx"
#include "document.hxx"
#include "cell.hxx"
ScColorScaleEntry::ScColorScaleEntry(double nVal, const Color& rCol):
mnVal(nVal),
maColor(rCol)
{
}
ScColorScaleEntry::ScColorScaleEntry(const ScColorScaleEntry& rEntry):
mnVal(rEntry.mnVal),
maColor(rEntry.maColor)
{
}
double ScColorScaleEntry::GetValue() const
{
return mnVal;
}
const Color& ScColorScaleEntry::GetColor() const
{
return maColor;
}
void ScColorScaleFormat::AddEntry( ScColorScaleEntry* pEntry )
{
maColorScales.push_back( pEntry );
}
namespace {
sal_uInt8 GetColorValue( double nVal, double nVal1, sal_uInt8 nColVal1, double nVal2, sal_uInt8 nColVal2 )
{
if (nVal <= nVal1)
return nColVal1;
if (nVal >= nVal2)
return nColVal2;
sal_uInt8 nColVal = static_cast<sal_uInt8>((nVal - nVal1)/(nVal2-nVal1)*(nColVal2-nColVal1))+nColVal1;
return nColVal;
}
Color CalcColor( double nVal, double nVal1, const Color& rCol1, double nVal2, const Color& rCol2)
{
sal_uInt8 nColRed = GetColorValue(nVal, nVal1, rCol1.GetRed(), nVal2, rCol2.GetRed());
sal_uInt8 nColBlue = GetColorValue(nVal, nVal1, rCol1.GetBlue(), nVal2, rCol2.GetBlue());
sal_uInt8 nColGreen = GetColorValue(nVal, nVal1, rCol1.GetGreen(), nVal2, rCol2.GetGreen());
return Color(nColRed, nColGreen, nColBlue);
}
}
Color* ScColorScaleFormat::GetColor( const ScAddress& rAddr ) const
{
CellType eCellType = mpDoc->GetCellType(rAddr);
if(eCellType != CELLTYPE_VALUE && eCellType != CELLTYPE_FORMULA)
return NULL;
if (eCellType == CELLTYPE_FORMULA)
{
if(!static_cast<ScFormulaCell*>(mpDoc->GetCell(rAddr))->IsValue())
return NULL;
}
// now we have for sure a value
double nVal = mpDoc->GetValue(rAddr);
if (!maColorScales.size() < 2)
return NULL;
const_iterator itr = begin();
double nValMin = itr->GetValue();
Color rColMin = itr->GetColor();
++itr;
double nValMax = itr->GetValue();
Color rColMax = itr->GetColor();
while(itr != end() && nVal > nValMin)
{
++itr;
rColMin = rColMax;
nValMin = nValMax;
rColMax = itr->GetColor();
nValMax = itr->GetValue();
}
Color aColor = CalcColor(nVal, nValMin, rColMin, nValMax, rColMax);
return new Color(aColor);
}
ScColorScaleFormat::iterator ScColorScaleFormat::begin()
{
return maColorScales.begin();
}
ScColorScaleFormat::const_iterator ScColorScaleFormat::begin() const
{
return maColorScales.begin();
}
ScColorScaleFormat::iterator ScColorScaleFormat::end()
{
return maColorScales.end();
}
ScColorScaleFormat::const_iterator ScColorScaleFormat::end() const
{
return maColorScales.end();
}
void ScColorScaleFormatList::AddFormat( ScColorScaleFormat* pFormat )
{
maColorScaleFormats.push_back( pFormat );
}
// attention nFormat is 1 based, 0 is reserved for no format
ScColorScaleFormat* ScColorScaleFormatList::GetFormat(sal_uInt32 nFormat)
{
if( nFormat > size() || !nFormat )
return NULL;
return &maColorScaleFormats[nFormat-1];
}
ScColorScaleFormatList::iterator ScColorScaleFormatList::begin()
{
return maColorScaleFormats.begin();
}
ScColorScaleFormatList::const_iterator ScColorScaleFormatList::begin() const
{
return maColorScaleFormats.begin();
}
ScColorScaleFormatList::iterator ScColorScaleFormatList::end()
{
return maColorScaleFormats.end();
}
ScColorScaleFormatList::const_iterator ScColorScaleFormatList::end() const
{
return maColorScaleFormats.end();
}
size_t ScColorScaleFormatList::size() const
{
return maColorScaleFormats.size();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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