misc/piphoto
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Working identity LUT

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This commit is contained in:
Ian Gulliver
2017-08-07 06:15:20 +00:00
parent 89a54867f3
commit 100c44fe4e
7 changed files with 81 additions and 14 deletions
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20
piphoto.cc
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@@ -11,16 +11,20 @@
int main() {
auto image = PiRaw2::FromJpeg(ReadFile("test.jpg"));
auto closest = ColorCheckerClosest(*image);
auto lut = ColorCheckerLut3d::Identity();
auto image2 = lut->MapImage(*image);
auto closest = ColorCheckerClosest(*image2);
for (uint32_t cc = 0; cc < kColorCheckerSrgb.size(); ++cc) {
const auto& coord = closest.at(cc);
const auto& color = kColorCheckerSrgb.at(cc);
std::cout << cc << ": " << coord << " difference=" << color.Difference(image->GetPixel(coord)) << std::endl;
image->DrawSquare({std::max(5U, coord.x) - 5, std::max(5U, coord.y) - 5}, kBlack, 10);
image->DrawSquare({std::max(6U, coord.x) - 6, std::max(6U, coord.y) - 6}, color, 12);
image->DrawSquare({std::max(7U, coord.x) - 7, std::max(7U, coord.y) - 7}, color, 14);
image->DrawSquare({std::max(8U, coord.x) - 8, std::max(8U, coord.y) - 8}, color, 16);
image->DrawSquare({std::max(9U, coord.x) - 9, std::max(9U, coord.y) - 9}, kWhite, 18);
std::cout << cc << ": " << coord << " difference=" << color.Difference(image2->GetPixel(coord)) << std::endl;
image2->DrawSquare({std::max(5U, coord.x) - 5, std::max(5U, coord.y) - 5}, kBlack, 10);
image2->DrawSquare({std::max(6U, coord.x) - 6, std::max(6U, coord.y) - 6}, color, 12);
image2->DrawSquare({std::max(7U, coord.x) - 7, std::max(7U, coord.y) - 7}, color, 14);
image2->DrawSquare({std::max(8U, coord.x) - 8, std::max(8U, coord.y) - 8}, color, 16);
image2->DrawSquare({std::max(9U, coord.x) - 9, std::max(9U, coord.y) - 9}, kWhite, 18);
}
WriteFile("test.png", image->ToPng());
WriteFile("test.png", image2->ToPng());
}