Mozjpeg opts (#140)

* Switching to embind

* Adding options to mozjpeg wasm

* Updating packages

* Ditching enum - causing more problems than it's worth

* Adding mozjpeg options UI

* Forgot about this enum

* Bools just work

src/codecs/mozjpeg/encoder.ts

@@ -1,13 +1,46 @@
 import EncoderWorker from './Encoder.worker';
 
-export interface EncodeOptions { quality: number; }
+export enum MozJpegColorSpace {
+  GRAYSCALE = 1,
+  RGB,
+  YCbCr,
+}
+
+export interface EncodeOptions {
+  quality: number;
+  baseline: boolean;
+  arithmetic: boolean;
+  progressive: boolean;
+  optimize_coding: boolean;
+  smoothing: number;
+  color_space: MozJpegColorSpace;
+  quant_table: number;
+  trellis_multipass: boolean;
+  trellis_opt_zero: boolean;
+  trellis_opt_table: boolean;
+  trellis_loops: number;
+}
+
 export interface EncoderState { type: typeof type; options: EncodeOptions; }
 
 export const type = 'mozjpeg';
 export const label = 'MozJPEG';
 export const mimeType = 'image/jpeg';
 export const extension = 'jpg';
-export const defaultOptions: EncodeOptions = { quality: 7 };
+export const defaultOptions: EncodeOptions = {
+  quality: 75,
+  baseline: false,
+  arithmetic: false,
+  progressive: true,
+  optimize_coding: true,
+  smoothing: 0,
+  color_space: MozJpegColorSpace.YCbCr,
+  quant_table: 3,
+  trellis_multipass: false,
+  trellis_opt_zero: false,
+  trellis_opt_table: false,
+  trellis_loops: 1,
+};
 
 export async function encode(data: ImageData, options: EncodeOptions) {
   // We need to await this because it's been comlinked.