21 lines
689 B
C#
21 lines
689 B
C#
using Minint.Core.Models;
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namespace Minint.Core.Services;
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public interface IImageEffectService
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{
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/// <summary>
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/// Adjusts contrast of the document by modifying palette colors.
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/// <paramref name="factor"/> > 1 increases contrast, < 1 decreases.
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/// Index 0 (transparent) is not modified.
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/// </summary>
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void AdjustContrast(MinintDocument document, float factor);
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/// <summary>
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/// Converts the document to grayscale by modifying palette colors.
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/// Uses ITU-R BT.601 luminance: gray = 0.299R + 0.587G + 0.114B.
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/// Index 0 (transparent) is not modified.
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/// </summary>
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void ToGrayscale(MinintDocument document);
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}
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