35 lines
848 B
C++
35 lines
848 B
C++
#pragma once
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#ifndef igs_perlin_noise_h
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#define igs_perlin_noise_h
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#ifndef IGS_PERLIN_NOISE_EXPORT
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#define IGS_PERLIN_NOISE_EXPORT
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#endif
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namespace igs {
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namespace perlin_noise {
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IGS_PERLIN_NOISE_EXPORT void change(
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unsigned char *image_array, const int height // pixel
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,
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const int width, const int wrap // pixel
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,
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const int channels, const int bits, const bool alpha_rendering_sw = true
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,
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const double a11 = 0.01 // 2D affine transformation
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,
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const double a12 = 0.0, const double a13 = 0.0, const double a21 = 0.0,
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const double a22 = 0.01, const double a23 = 0.0
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,
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const double zz = 0.0, const int octaves_start = 3 // 0...
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,
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const int octaves_end = 9 // 0...
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,
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const double persistence = 1. / 1.7320508 // not 0
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);
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}
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} // namespace igs
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#endif /* !igs_perlin_noise_h */
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