33 lines
1013 B
Rust
33 lines
1013 B
Rust
use native_core::rotate::{Orientation, rotate};
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#[test]
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fn exif_orientations() {
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let src = [1u32, 2, 3, 4, 5, 6];
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let cases = [
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(1, (3, 2), [1, 2, 3, 4, 5, 6]),
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(2, (3, 2), [3, 2, 1, 6, 5, 4]),
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(3, (3, 2), [6, 5, 4, 3, 2, 1]),
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(4, (3, 2), [4, 5, 6, 1, 2, 3]),
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(5, (2, 3), [1, 4, 2, 5, 3, 6]),
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(6, (2, 3), [4, 1, 5, 2, 6, 3]),
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(7, (2, 3), [6, 3, 5, 2, 4, 1]),
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(8, (2, 3), [3, 6, 2, 5, 1, 4]),
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(9, (3, 2), [1, 2, 3, 4, 5, 6]),
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];
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for (exif, size, expected) in cases {
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let orientation = Orientation::from(exif);
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let mut dst = [0; 6];
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rotate(&src, 3, 3, 2, orientation, &mut dst);
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assert_eq!(orientation.dimensions(3, 2), size);
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assert_eq!(dst, expected, "orientation {exif}");
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}
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}
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#[test]
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fn padded_rows() {
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let src = [1u32, 2, 3, 99, 4, 5, 6, 99];
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let mut dst = [0; 6];
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rotate(&src, 4, 3, 2, Orientation::Rotate90, &mut dst);
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assert_eq!(dst, [4, 1, 5, 2, 6, 3]);
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}
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