handle all 8 Exif orientations
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16
Program.cs
16
Program.cs
@ -386,12 +386,20 @@ public static class Util {
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// https://sirv.com/help/articles/rotate-photos-to-be-upright/
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// https://sirv.com/help/articles/rotate-photos-to-be-upright/
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public static void RotateImageFromExif(Image<Rgba32> image, ushort orientation) {
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public static void RotateImageFromExif(Image<Rgba32> image, ushort orientation) {
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if (orientation == 1) {
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if (orientation <= 1) {
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return;
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return;
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}
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}
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if (orientation == 8) {
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var operations = new Dictionary<ushort, (RotateMode, FlipMode)> {
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image.Mutate(x => x.RotateFlip(RotateMode.Rotate270, FlipMode.None));
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{ 2, (RotateMode.None, FlipMode.Horizontal) },
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}
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{ 3, (RotateMode.Rotate180, FlipMode.None) },
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{ 4, (RotateMode.Rotate180, FlipMode.Horizontal) },
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{ 5, (RotateMode.Rotate90, FlipMode.Vertical) },
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{ 6, (RotateMode.Rotate90, FlipMode.None) },
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{ 7, (RotateMode.Rotate270, FlipMode.Vertical) },
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{ 8, (RotateMode.Rotate270, FlipMode.None) },
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};
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var (rotate, flip) = operations[orientation];
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image.Mutate(x => x.RotateFlip(rotate, flip));
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}
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}
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public static Texture RenderText(string text) {
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public static Texture RenderText(string text) {
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