L*a*b* regions: some code cleanups

This commit is contained in:
Alberto Griggio 2018-11-01 13:34:10 +01:00
parent be03d1061a
commit e9f0b6ac60
2 changed files with 26 additions and 24 deletions

View File

@ -75,9 +75,11 @@ void ImProcFunctions::labColorCorrectionRegions(LabImage *lab)
float b = lab->b[y][x];
float c, h;
Color::Lab2Lch(a, b, c, h);
float c1 = lin2log(c * (327.68f / 48000.f), 10.f);
// magic constant c_factor: normally chromaticity is in [0; 42000] (see color.h), but here we use the constant to match how the chromaticity pipette works (see improcfun.cc lines 4705-4706 and color.cc line 1930
constexpr float c_factor = 327.68f / 48000.f;
float c1 = lin2log(c * c_factor, 10.f);
float h1 = Color::huelab_to_huehsv2(h);
h1 = h1 + 1.f/6.f;
h1 = h1 + 1.f/6.f; // offset the hue because we start from purple instead of red
if (h1 > 1.f) {
h1 -= 1.f;
}

View File

@ -11,7 +11,23 @@ using namespace rtengine;
using namespace rtengine::procparams;
static constexpr int ID_LABREGION_HUE = 5;
namespace {
constexpr int ID_LABREGION_HUE = 5;
inline bool hasMask(const std::vector<double> &dflt, const std::vector<double> &mask)
{
return !(mask.empty() || mask[0] == FCT_Linear || mask == dflt);
}
inline float round_ab(float v)
{
return int(v * 1000) / 1000.f;
}
} // namespace
ColorToning::ColorToning () : FoldableToolPanel(this, "colortoning", M("TP_COLORTONING_LABEL"), false, true)
{
@ -1403,6 +1419,10 @@ void ColorToning::onLabRegionSelectionChanged()
void ColorToning::labRegionGet(int idx)
{
if (idx < 0 || size_t(idx) >= labRegionData.size()) {
return;
}
auto &r = labRegionData[idx];
double la, lb;
labRegionAB->getParams(la, lb, r.a, r.b);
@ -1482,26 +1502,6 @@ void ColorToning::labRegionShowMaskChanged()
}
namespace {
bool hasMask(const std::vector<double> &dflt, const std::vector<double> &mask)
{
if (mask.empty() || mask[0] == FCT_Linear || mask == dflt) {
return false;
} else {
return true;
}
}
inline float round_ab(float v)
{
return int(v * 1000) / 1000.f;
}
} // namespace
void ColorToning::labRegionPopulateList()
{
ConnectionBlocker b(labRegionSelectionConn);
@ -1524,7 +1524,7 @@ void ColorToning::labRegionPopulateList()
void ColorToning::labRegionShow(int idx, bool list_only)
{
bool disable = listener;
const bool disable = listener;
if (disable) {
disableListener();
}