29428dce42
Co-authored-by: Bart Louwers <bart@emeel.net> Co-authored-by: Bart Louwers <bart.louwers@gmail.com>
42 lines
1.0 KiB
C++
42 lines
1.0 KiB
C++
#pragma once
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#include <mbgl/math/clamp.hpp>
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#include <mbgl/util/image.hpp>
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#include <mbgl/util/tileset.hpp>
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#include <memory>
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#include <array>
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#include <cassert>
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#include <vector>
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namespace mbgl {
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class DEMData {
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public:
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DEMData(const PremultipliedImage& image, Tileset::RasterEncoding encoding);
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void backfillBorder(const DEMData& borderTileData, int8_t dx, int8_t dy);
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int32_t get(int32_t x, int32_t y) const;
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const std::array<float, 4>& getUnpackVector() const;
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const PremultipliedImage* getImage() const { return &*image; }
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const std::shared_ptr<PremultipliedImage>& getImagePtr() const { return image; }
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const int32_t dim;
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const int32_t stride;
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const Tileset::RasterEncoding encoding;
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private:
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std::shared_ptr<PremultipliedImage> image;
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size_t idx(const int32_t x, const int32_t y) const {
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assert(x >= -1);
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assert(x < dim + 1);
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assert(y >= -1);
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assert(y < dim + 1);
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return (y + 1) * stride + (x + 1);
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}
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};
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} // namespace mbgl
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