47 lines
1.7 KiB
C++
47 lines
1.7 KiB
C++
#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
|