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52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
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#include "image.h"
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#include <limits>
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namespace image
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{
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template <typename T>
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Image<T> create_lut(int channels, int width, int points, std::vector<T> data)
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{
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Image<T> out(data.data(), points, 1, channels);
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out.resize_bilinear(width, 1, false);
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return out;
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}
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template <typename T>
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Image<T> scale_lut(int width, int x0, int x1, Image<T> in)
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{
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in.resize(x1 - x0, 1);
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image::Image<T> out(width, 1, 3);
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out.fill(0);
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out.draw_image(0, in, x0, 0);
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return out;
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}
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template <typename T>
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Image<T> LUT_jet()
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{
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return create_lut<T>(3,
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256,
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4,
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{0,
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0,
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std::numeric_limits<T>::max(),
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std::numeric_limits<T>::max(),
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0,
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std::numeric_limits<T>::max(),
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std::numeric_limits<T>::max(),
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0,
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std::numeric_limits<T>::max(),
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std::numeric_limits<T>::max(),
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0,
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0});
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}
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template Image<uint8_t> create_lut(int, int, int, std::vector<uint8_t>);
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template Image<uint16_t> create_lut(int, int, int, std::vector<uint16_t>);
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template Image<uint8_t> scale_lut(int, int, int, Image<uint8_t>);
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template Image<uint16_t> scale_lut(int, int, int, Image<uint16_t>);
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template Image<uint8_t> LUT_jet();
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template Image<uint16_t> LUT_jet();
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} // namespace image
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