Speedup for Colour Toning Methods 'RGB sliders' and 'RGB curves' in 'Black-and-White' mode

This commit is contained in:
heckflosse
2018-01-11 13:30:57 +01:00
parent 68ba09fdd8
commit f0b73149bd

View File

@@ -4869,31 +4869,31 @@ void ImProcFunctions::rgbProc (Imagefloat* working, LabImage* lab, PipetteBuffer
for (int i = 0; i < tH; i++) {
for (int j = 0; j < tW; j++) {
float r = tmpImage->r (i, j);
float g = tmpImage->g (i, j);
float b = tmpImage->b (i, j);
float r = tmpImage->r(i, j);
float g = tmpImage->g(i, j);
float b = tmpImage->b(i, j);
// Luminance = (0.299f*r + 0.587f*g + 0.114f*b)
float h, s, l;
Color::rgb2hsl (r, g, b, h, s, l);
float s, l;
Color::rgb2slfloat(r, g, b, s, l);
float l_ = Color::gamma_srgb (l * 65535.f) / 65535.f;
float l_ = Color::gammatab_srgb1[l * 65535.f];
// get the opacity and tweak it to preserve saturated colors
// get the opacity and tweak it to preserve saturated colours
float opacity = ctOpacityCurve.lutOpacityCurve[l_ * 500.f] / 4.f;
float r2, g2, b2;
ctColorCurve.getVal (l_, r2, g2, b2); // get the color from the color curve
ctColorCurve.getVal(l_, r2, g2, b2); // get the colour from the colour curve
float h2, s2, l2;
Color::rgb2hsl (r2, g2, b2, h2, s2, l2); // transform this new color to hsl
Color::rgb2hslfloat(r2, g2, b2, h2, s2, l2); // transform this new colour to hsl
Color::hsl2rgb (h2, s2, l, r2, g2, b2);
Color::hsl2rgbfloat(h2, s2, l, r2, g2, b2);
tmpImage->r (i, j) = r + (r2 - r) * opacity;
tmpImage->g (i, j) = g + (g2 - g) * opacity;
tmpImage->b (i, j) = b + (b2 - b) * opacity;
tmpImage->r(i, j) = intp(opacity, r2, r);
tmpImage->g(i, j) = intp(opacity, g2, g);
tmpImage->b(i, j) = intp(opacity, b2, b);
}
}
}