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Image base classes, hide some internal complexity

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This commit is contained in:
Ian Gulliver
2017-08-13 10:52:30 -07:00
parent 00a1577c53
commit 018beba472
2 changed files with 34 additions and 13 deletions
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19
colorchecker.h
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@@ -74,20 +74,15 @@ int32_t ScoreLut(const Image<X, Y, RgbColor>& image, const LutBase& lut) {
Array<int32_t, kColorCheckerSrgb.size()> diff;
diff.fill(INT32_MAX);
for (int32_t y = 0; y < Y; ++y) {
const auto& row = image.at(y);
for (int32_t x = 0; x < X; ++x) {
const auto pixel = lut.MapColor(row.at(x));
for (int32_t cc = 0; cc < kColorCheckerSrgb.ssize(); ++cc) {
auto pixel_diff = pixel.AbsDiff(kColorCheckerSrgb.at(cc));
if (pixel_diff < diff.at(cc)) {
diff.at(cc) = pixel_diff;
}
image.ForEach([&diff, &lut](const RgbColor& color) {
const auto pixel = lut.MapColor(color);
for (int32_t cc = 0; cc < kColorCheckerSrgb.ssize(); ++cc) {
auto pixel_diff = pixel.AbsDiff(kColorCheckerSrgb.at(cc));
if (pixel_diff < diff.at(cc)) {
diff.at(cc) = pixel_diff;
}
}
}
});
return std::accumulate(diff.begin(), diff.end(), 0);
}