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#pragma once
#include <mbgl/math/clamp.hpp>
#include <mbgl/util/image.hpp>
#include <mbgl/util/tileset.hpp>
#include <memory>
#include <array>
#include <cassert>
#include <vector>
namespace mbgl {
class DEMData {
public:
DEMData(const PremultipliedImage& image, Tileset::DEMEncoding encoding);
void backfillBorder(const DEMData& borderTileData, int8_t dx, int8_t dy);
int32_t get(int32_t x, int32_t y) const;
const std::array<float, 4>& getUnpackVector() const;
const PremultipliedImage* getImage() const {
return ℑ
}
const int32_t dim;
const int32_t stride;
private:
Tileset::DEMEncoding encoding;
PremultipliedImage image;
size_t idx(const int32_t x, const int32_t y) const {
assert(x >= -1);
assert(x < dim + 1);
assert(y >= -1);
assert(y < dim + 1);
return (y + 1) * stride + (x + 1);
}
};
} // namespace mbgl
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