matthew/The-Powder-Toy
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Add gamma = 2.2 and 1.8 modes, see 51e5f2b

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Tamás Bálint Misius 2019-09-21 22:16:52 +02:00
parent a6127bc1fb
commit 742e030a13
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GPG Key ID: 5B472A12F6ECA9F2
2 changed files with 48 additions and 2 deletions
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2
src/gui/options/OptionsView.cpp
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@ -432,6 +432,8 @@ OptionsView::OptionsView():
scrollPanel->AddChild(decoSpace);
decoSpace->AddOption(std::pair<String, int>("Linear", 0));
decoSpace->AddOption(std::pair<String, int>("sRGB", 1));
decoSpace->AddOption(std::pair<String, int>("Gamma 2.2", 2));
decoSpace->AddOption(std::pair<String, int>("Gamma 1.8", 3));
tempLabel = new ui::Label(ui::Point(decoSpace->Position.X+decoSpace->Size.X+3, currentY), ui::Point(Size.X-40, 16), "\bg- Colour space used by decoration tools");
tempLabel->Appearance.HorizontalAlign = ui::Appearance::AlignLeft;

48
src/simulation/Simulation.cpp
View File

@ -917,12 +917,21 @@ void Simulation::SetDecoSpace(int newDecoSpace)
{
switch (newDecoSpace)
{
case 0: // linear
default: // anything stupid
deco_space = 0;
break;
case 1: // sRGB
deco_space = 1;
break;
default: // linear (or anything stupid)
deco_space = 0;
case 2: // Gamma = 2.2
deco_space = 2;
break;
case 3: // Gamma = 1.8
deco_space = 3;
break;
}
}
@ -1040,12 +1049,29 @@ void Simulation::ApplyDecoration(int x, int y, int colR_, int colG_, int colB_,
float pb = ((float)((part.dcolour )&0xFF)) / 255.f;
switch (deco_space)
{
case 0: // linear
break;
case 1: // sRGB
pa = (pa <= 0.04045f) ? (pa / 12.92f) : pow((pa + 0.055f) / 1.055f, 2.4f);
pr = (pr <= 0.04045f) ? (pr / 12.92f) : pow((pr + 0.055f) / 1.055f, 2.4f);
pg = (pg <= 0.04045f) ? (pg / 12.92f) : pow((pg + 0.055f) / 1.055f, 2.4f);
pb = (pb <= 0.04045f) ? (pb / 12.92f) : pow((pb + 0.055f) / 1.055f, 2.4f);
break;
case 2: // Gamma = 2.2
pa = pow(pa, 2.2f);
pr = pow(pr, 2.2f);
pg = pow(pg, 2.2f);
pb = pow(pb, 2.2f);
break;
case 3: // Gamma = 1.8
pa = pow(pa, 1.8f);
pr = pow(pr, 1.8f);
pg = pow(pg, 1.8f);
pb = pow(pb, 1.8f);
break;
}
tas += pa;
trs += pr;
@ -1061,11 +1087,29 @@ void Simulation::ApplyDecoration(int x, int y, int colR_, int colG_, int colB_,
tb = tbs / num;
switch (deco_space)
{
case 0: // linear
break;
case 1: // sRGB
ta = (ta <= 0.0031308f) ? (ta * 12.92f) : (1.055f * pow(ta, 1.f / 2.4f) - 0.055f);
tr = (tr <= 0.0031308f) ? (tr * 12.92f) : (1.055f * pow(tr, 1.f / 2.4f) - 0.055f);
tg = (tg <= 0.0031308f) ? (tg * 12.92f) : (1.055f * pow(tg, 1.f / 2.4f) - 0.055f);
tb = (tb <= 0.0031308f) ? (tb * 12.92f) : (1.055f * pow(tb, 1.f / 2.4f) - 0.055f);
break;
case 2: // Gamma = 2.2
ta = pow(ta, 1.f / 2.2f);
tr = pow(tr, 1.f / 2.2f);
tg = pow(tg, 1.f / 2.2f);
tb = pow(tb, 1.f / 2.2f);
break;
case 3: // Gamma = 1.8
ta = pow(ta, 1.f / 1.8f);
tr = pow(tr, 1.f / 1.8f);
tg = pow(tg, 1.f / 1.8f);
tb = pow(tb, 1.f / 1.8f);
break;
}
if (!parts[ID(rp)].dcolour)
ta -= 3/255.0f;