forked from external-repos/squoosh
f396a5b784
* Adding chroma subsampling for mozjpeg * Adding separate chroma quality. * Preact sometimes removes the inline styles, this fixes it. * Simplifying chroma subsample * Adding comments
50 lines
1.1 KiB
TypeScript
50 lines
1.1 KiB
TypeScript
export enum MozJpegColorSpace {
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GRAYSCALE = 1,
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RGB,
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YCbCr,
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}
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export interface EncodeOptions {
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quality: number;
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baseline: boolean;
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arithmetic: boolean;
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progressive: boolean;
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optimize_coding: boolean;
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smoothing: number;
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color_space: MozJpegColorSpace;
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quant_table: number;
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trellis_multipass: boolean;
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trellis_opt_zero: boolean;
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trellis_opt_table: boolean;
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trellis_loops: number;
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auto_subsample: boolean;
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chroma_subsample: number;
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separate_chroma_quality: boolean;
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chroma_quality: number;
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}
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export interface EncoderState { type: typeof type; options: EncodeOptions; }
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export const type = 'mozjpeg';
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export const label = 'MozJPEG';
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export const mimeType = 'image/jpeg';
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export const extension = 'jpg';
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export const defaultOptions: EncodeOptions = {
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quality: 75,
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baseline: false,
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arithmetic: false,
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progressive: true,
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optimize_coding: true,
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smoothing: 0,
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color_space: MozJpegColorSpace.YCbCr,
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quant_table: 3,
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trellis_multipass: false,
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trellis_opt_zero: false,
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trellis_opt_table: false,
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trellis_loops: 1,
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auto_subsample: true,
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chroma_subsample: 2,
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separate_chroma_quality: false,
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chroma_quality: 75,
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};
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