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Back to using BlurHasher but not linked yet

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Mike Phares
2023-06-11 00:37:14 -07:00
parent 9c4767d454
commit f4b5a3a47c
15 changed files with 136 additions and 123 deletions
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9
BlurHash.System.Drawing.Common/BlurHasher.cs
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@ -15,20 +15,21 @@ public static class BlurHasher
/// <param name="componentsX">The number of components used on the X-Axis for the DCT</param>
/// <param name="componentsY">The number of components used on the Y-Axis for the DCT</param>
/// <returns>The resulting BlurHash string</returns>
public static string Encode(Image image, int componentsX, int componentsY) => Core.Encode(ConvertBitmap(image as Bitmap ?? new Bitmap(image)), componentsX, componentsY);
public static ReadOnlySpan<char> Encode(Image image, int componentsX, int componentsY) =>
Core.Encode(ConvertBitmap(image as Bitmap ?? new Bitmap(image)), componentsX, componentsY);
/// <summary>
/// Decodes a BlurHash string into a <c>System.Drawing.Image</c>
/// </summary>
/// <param name="blurhash">The blurhash string to decode</param>
/// <param name="blurHash">The blurHash string to decode</param>
/// <param name="outputWidth">The desired width of the output in pixels</param>
/// <param name="outputHeight">The desired height of the output in pixels</param>
/// <param name="punch">A value that affects the contrast of the decoded image. 1 means normal, smaller values will make the effect more subtle, and larger values will make it stronger.</param>
/// <returns>The decoded preview</returns>
public static Image Decode(string blurhash, int outputWidth, int outputHeight, double punch = 1.0)
public static Image Decode(ReadOnlySpan<char> blurHash, int outputWidth, int outputHeight, double punch = 1.0)
{
Pixel[,] pixelData = new Pixel[outputWidth, outputHeight];
Core.Decode(blurhash, pixelData, punch);
Core.Decode(blurHash, pixelData, punch);
return ConvertToBitmap(pixelData);
}