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some tweaks to the L*a*b* correction grid module

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This commit is contained in:
Alberto Griggio 2018-01-08 14:34:54 +01:00
parent 041990d216
commit 7353ff864b
5 changed files with 8 additions and 9 deletions
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2
rtengine/improcfun.cc
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@ -7199,7 +7199,7 @@ SSEFUNCTION void ImProcFunctions::lab2rgb (const LabImage &src, Imagefloat &dst,
*/
void ImProcFunctions::colorToningLabGrid(LabImage *lab)
{
const float factor = ColorToningParams::LABGRID_CORR_MAX * 1.6f;
const float factor = ColorToningParams::LABGRID_CORR_MAX * 3.f;
float a_scale = (params->colorToning.labgridAHigh - params->colorToning.labgridALow) / factor;
float a_base = params->colorToning.labgridALow;
float b_scale = (params->colorToning.labgridBHigh - params->colorToning.labgridBLow) / factor;

2
rtengine/procparams.cc
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@ -618,6 +618,8 @@ bool LocalContrastParams::operator!=(const LocalContrastParams &other) const
}
const double ColorToningParams::LABGRID_CORR_MAX = 12000.f;
ColorToningParams::ColorToningParams() :
enabled(false),
autosat(true),

2
rtengine/procparams.h
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@ -452,7 +452,7 @@ struct ColorToningParams {
double labgridBLow;
double labgridAHigh;
double labgridBHigh;
static constexpr double LABGRID_CORR_MAX = 8000.f;
static const double LABGRID_CORR_MAX;
ColorToningParams();

10
rtgui/colortoning.cc
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@ -119,19 +119,17 @@ public:
const int cells = 8;
float step = rtengine::ColorToningParams::LABGRID_CORR_MAX / float(cells/2);
for (int j = 0; j < cells; j++) {
for(int i = 0; i < cells; i++) {
for (int i = 0; i < cells; i++) {
float R, G, B;
float x, y, z;
int ii = i - cells/2;
int jj = j - cells/2;
float a = step * (ii + 0.5) * 1.5;
float b = step * (jj + 0.5) * 1.5;
float a = step * (ii + 0.5);
float b = step * (jj + 0.5);
Color::Lab2XYZ(25000.f, a, b, x, y, z);
Color::xyz2srgb(x, y, z, R, G, B);
cr->set_source_rgb(R / 65535.f, G / 65535.f, B / 65535.f);
cr->rectangle(width * i / (float)cells, height * j / (float)cells,
width / (float)cells - 1,
height / (float)cells - 1);
cr->rectangle(width * i / float(cells), height * j / float(cells), width / float(cells) - 1, height / float(cells) - 1);
cr->fill();
}
}

1
rtgui/paramsedited.h
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@ -174,7 +174,6 @@ public:
bool labgridBLow;
bool labgridAHigh;
bool labgridBHigh;
bool labgridSaturation;
};
class SharpenEdgeParamsEdited