MyCurry/src/sizeratio.cpp
2016-11-23 17:54:41 +01:00

66 lines
2.4 KiB
C++

/*
Copyright 2016 Michele "King_DuckZ" Santullo
This file is part of MyCurry.
MyCurry is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
MyCurry is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with MyCurry. If not, see <http://www.gnu.org/licenses/>.
*/
#include "sizeratio.hpp"
#include "compatibility.h"
namespace cloonel {
namespace {
float2 CalculateRatio ( float2 parOriginal, float2 parResolution ) a_pure;
///----------------------------------------------------------------------
///----------------------------------------------------------------------
float2 CalculateRatio (float2 parOriginal, float2 parResolution) {
return parResolution / parOriginal;
}
} //unnamed namespace
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
SizeRatio::SizeRatio (const float2& parOriginal) :
m_original(parOriginal),
m_size(parOriginal),
m_ratio(1.0f)
{
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
SizeRatio::SizeRatio (const float2& parOriginal, const float2& parSize) :
m_original(parOriginal),
m_size(parSize),
m_ratio(CalculateRatio(parOriginal, parSize))
{
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void SizeRatio::SetOriginal (const float2& parOriginal, const float2& parRes) {
m_original = parOriginal;
m_size = parRes;
m_ratio = CalculateRatio(parOriginal, parRes);
}
///--------------------------------------------------------------------------
///--------------------------------------------------------------------------
void SizeRatio::UpdateResolution (const float2& parNewRes) {
m_size = parNewRes;
m_ratio = CalculateRatio(m_original, parNewRes);
}
} //namespace cloonel