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#pragma once
#include <mbgl/math/clamp.hpp>
#include <mbgl/util/image.hpp>
#include <memory>
#include <array>
#include <cassert>
#include <vector>
namespace mbgl {
class DEMData {
public:
class Level {
public:
Level(int32_t dim, int32_t border);
void set(const int32_t x, const int32_t y, const int32_t value) {
reinterpret_cast<int32_t*>(image.data.get())[idx(x, y)] = value + 65536;
}
int32_t get(const int32_t x, const int32_t y) const {
return reinterpret_cast<const int32_t*>(image.data.get())[idx(x, y)] - 65536;
}
const PremultipliedImage* getImage() {
return ℑ
}
private:
size_t idx(const int32_t x, const int32_t y) const {
assert(x >= -border);
assert(x < dim + border);
assert(y >= -border);
assert(y < dim + border);
return (y + border) * stride + (x + border);
}
public:
const int32_t dim;
const int32_t border;
const int32_t stride;
PremultipliedImage image;
};
DEMData(const PremultipliedImage& image);
void backfillBorder(const DEMData& borderTileData, int8_t dx, int8_t dy);
bool isLoaded() const {
return loaded;
}
Level level;
private:
bool loaded = false;
};
} // namespace mbgl
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