misc/piphoto
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Code cleanup, switch to MinimalLut3d for starters

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This commit is contained in:
Ian Gulliver
2017-08-08 23:14:11 -07:00
parent 85584cfb5b
commit 6ff7927352
4 changed files with 22 additions and 19 deletions
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17
colorchecker.h
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@@ -3,6 +3,7 @@
#include <array>
#include "color.h"
#include "colors.h"
#include "coord.h"
#include "image.h"
#include "lut.h"
@@ -38,7 +39,7 @@ constexpr std::array<Color, 24> kColorCheckerSrgb = {{
}};
template <uint32_t X, uint32_t Y>
std::array<Coord, kColorCheckerSrgb.size()> ColorCheckerClosest(const Image<X, Y>& image) {
std::array<Coord, kColorCheckerSrgb.size()> FindClosest(const Image<X, Y>& image) {
std::array<Coord, kColorCheckerSrgb.size()> closest;
std::array<uint32_t, kColorCheckerSrgb.size()> diff;
diff.fill(UINT32_MAX);
@@ -61,3 +62,17 @@ std::array<Coord, kColorCheckerSrgb.size()> ColorCheckerClosest(const Image<X, Y
return closest;
}
template <uint32_t X, uint32_t Y>
void HighlightClosest(Image<X, Y>* image) {
auto closest = FindClosest(*image);
for (uint32_t cc = 0; cc < kColorCheckerSrgb.size(); ++cc) {
const auto& coord = closest.at(cc);
const auto& color = kColorCheckerSrgb.at(cc);
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);
}
}