void tpDynamicToneMappingManager::SetMethode(tpDynamicToneMappingManager::TypeMethode m)
{
m_methode = m;
UpdateFilter();
ComputeLuminance();
}
void tpDynamicToneMappingManager::SetRayon(int v)
{
m_rayon = v;
UpdateFilter();
ComputeLuminance();
}
void tpDynamicToneMappingManager::ResetModification(bool recompute)
{
m_image.copy(m_imageCache);
if(recompute)
{
ComputeLuminance();
}
}
void tpDynamicToneMappingManager::SetPixel(int x, int y)
{
m_x = x;
m_y = y;
// On fait attentions aux valeurs
m_x = std::max(0,std::min((int)m_image.getHeight()-1, m_x));
m_y = std::max(0,std::min((int)m_image.getWidth()-1, m_y));
ComputeLuminance();
}
void tpDynamicToneMappingManager::BlurImage(int taille)
{
ResetModification(false);
tpFilter g = tpMath::GaussianKernel2D(taille);
tpFilterResultDouble res;
tpImageFilter::ApplyFilter(m_image, res, g);
m_image.copy(res);
ComputeLuminance();
}
void tpDynamicToneMappingManager::SetImage(const tpImageLuminanceHDR& I)
{
m_image.copy(I);
tpImageConvert::Calibration(m_image);
m_imageCache.copy(m_image);
// On met a jour les coordonnee de pixels
m_x = std::max(0,std::min((int)m_image.getHeight()-1, m_x));
m_y = std::max(0,std::min((int)m_image.getWidth()-1, m_y));
m_laImage = tpHDROperations::GetMean(m_image);
ComputeLuminance();
}
void ColorSetting::Update()
{
float multiplier = 1.0f;
if(hdr)
{
multiplier = intensity.Value();
if(units != ColorUnit::None)
{
float clrLum = ComputeLuminance(val);
if(clrLum > 0.00001f)
multiplier *= 1.0f / clrLum;
}
}
Float3 newVal = val * multiplier;
changed = oldVal != newVal;
oldVal = newVal;
}
/**
* Returns a desaturated color, with 0 meaning no desaturation and 1 == full desaturation
*
* @param Desaturation Desaturation factor in range [0..1]
* @return Desaturated color
*/
FLinearColor FLinearColor::Desaturate( float Desaturation ) const
{
float Lum = ComputeLuminance();
return FMath::Lerp( *this, FLinearColor( Lum, Lum, Lum, 0 ), Desaturation );
}
