Merge branch 'dev' into load-file-async

codecs/jxl/enc/jxl_enc.cpp

@@ -10,15 +10,13 @@ using namespace emscripten;
 thread_local const val Uint8Array = val::global("Uint8Array");
 
 struct JXLOptions {
-  // 1 = slowest
+  int effort;
-  // 7 = fastest
-  int speed;
   float quality;
   bool progressive;
   int epf;
-  int nearLossless;
   bool lossyPalette;
   size_t decodingSpeedTier;
+  float photonNoiseIso;
 };
 
 val encode(std::string image, int width, int height, JXLOptions options) {
@@ -33,11 +31,14 @@ val encode(std::string image, int width, int height, JXLOptions options) {
   pool_ptr = &pool;
 #endif
 
-  cparams.epf = options.epf;
+  size_t st = 10 - options.effort;
-  cparams.speed_tier = static_cast<jxl::SpeedTier>(options.speed);
+  cparams.speed_tier = jxl::SpeedTier(st);
-  cparams.decoding_speed_tier = options.decodingSpeedTier;
 
-  if (options.lossyPalette || options.nearLossless) {
+  cparams.epf = options.epf;
+  cparams.decoding_speed_tier = options.decodingSpeedTier;
+  cparams.photon_noise_iso = options.photonNoiseIso;
+
+  if (options.lossyPalette) {
     cparams.lossy_palette = true;
     cparams.palette_colors = 0;
     cparams.options.predictor = jxl::Predictor::Zero;
@@ -106,12 +107,12 @@ val encode(std::string image, int width, int height, JXLOptions options) {
 
 EMSCRIPTEN_BINDINGS(my_module) {
   value_object<JXLOptions>("JXLOptions")
-      .field("speed", &JXLOptions::speed)
+      .field("effort", &JXLOptions::effort)
       .field("quality", &JXLOptions::quality)
       .field("progressive", &JXLOptions::progressive)
-      .field("nearLossless", &JXLOptions::nearLossless)
       .field("lossyPalette", &JXLOptions::lossyPalette)
       .field("decodingSpeedTier", &JXLOptions::decodingSpeedTier)
+      .field("photonNoiseIso", &JXLOptions::photonNoiseIso)
       .field("epf", &JXLOptions::epf);
 
   function("encode", &encode);

codecs/jxl/enc/jxl_enc.d.ts

@@ -1,11 +1,11 @@
 export interface EncodeOptions {
-  speed: number;
+  effort: number;
   quality: number;
   progressive: boolean;
   epf: number;
-  nearLossless: number;
   lossyPalette: boolean;
   decodingSpeedTier: number;
+  photonNoiseIso: number;
 }
 
 export interface JXLModule extends EmscriptenWasm.Module {

codecs/mozjpeg/enc/mozjpeg_enc.cpp

@@ -158,6 +158,11 @@ val encode(std::string image_in, int image_width, int image_height, MozJpegOptio
   if (!opts.auto_subsample && opts.color_space == JCS_YCbCr) {
     cinfo.comp_info[0].h_samp_factor = opts.chroma_subsample;
     cinfo.comp_info[0].v_samp_factor = opts.chroma_subsample;
+
+    if (opts.chroma_subsample > 2) {
+      // Otherwise encoding fails.
+      jpeg_c_set_int_param(&cinfo, JINT_DC_SCAN_OPT_MODE, 1);
+    }
   }
 
   if (!opts.baseline && opts.progressive) {

libsquoosh/src/codecs.ts

@@ -29,14 +29,23 @@ interface ResizeWithAspectParams {
   target_height: number;
 }
 
-interface ResizeInstantiateOptions {
+export interface ResizeOptions {
   width: number;
   height: number;
-  method: string;
+  method: 'triangle' | 'catrom' | 'mitchell' | 'lanczos3';
   premultiply: boolean;
   linearRGB: boolean;
 }
 
+export interface QuantOptions {
+  numColors: number;
+  dither: number;
+}
+
+export interface RotateOptions {
+  numRotations: number;
+}
+
 declare global {
   // Needed for being able to use ImageData as type in codec types
   type ImageData = import('./image_data.js').default;
@@ -52,6 +61,7 @@ import mozEnc from '../../codecs/mozjpeg/enc/mozjpeg_node_enc.js';
 import mozEncWasm from 'asset-url:../../codecs/mozjpeg/enc/mozjpeg_node_enc.wasm';
 import mozDec from '../../codecs/mozjpeg/dec/mozjpeg_node_dec.js';
 import mozDecWasm from 'asset-url:../../codecs/mozjpeg/dec/mozjpeg_node_dec.wasm';
+import type { EncodeOptions as MozJPEGEncodeOptions } from '../../codecs/mozjpeg/enc/mozjpeg_enc';
 
 // WebP
 import type { WebPModule as WebPEncodeModule } from '../../codecs/webp/enc/webp_enc';
@@ -59,6 +69,7 @@ import webpEnc from '../../codecs/webp/enc/webp_node_enc.js';
 import webpEncWasm from 'asset-url:../../codecs/webp/enc/webp_node_enc.wasm';
 import webpDec from '../../codecs/webp/dec/webp_node_dec.js';
 import webpDecWasm from 'asset-url:../../codecs/webp/dec/webp_node_dec.wasm';
+import type { EncodeOptions as WebPEncodeOptions } from '../../codecs/webp/enc/webp_enc.js';
 
 // AVIF
 import type { AVIFModule as AVIFEncodeModule } from '../../codecs/avif/enc/avif_enc';
@@ -69,6 +80,7 @@ import avifEncMtWorker from 'chunk-url:../../codecs/avif/enc/avif_node_enc_mt.wo
 import avifEncMtWasm from 'asset-url:../../codecs/avif/enc/avif_node_enc_mt.wasm';
 import avifDec from '../../codecs/avif/dec/avif_node_dec.js';
 import avifDecWasm from 'asset-url:../../codecs/avif/dec/avif_node_dec.wasm';
+import type { EncodeOptions as AvifEncodeOptions } from '../../codecs/avif/enc/avif_enc.js';
 
 // JXL
 import type { JXLModule as JXLEncodeModule } from '../../codecs/jxl/enc/jxl_enc';
@@ -76,6 +88,7 @@ import jxlEnc from '../../codecs/jxl/enc/jxl_node_enc.js';
 import jxlEncWasm from 'asset-url:../../codecs/jxl/enc/jxl_node_enc.wasm';
 import jxlDec from '../../codecs/jxl/dec/jxl_node_dec.js';
 import jxlDecWasm from 'asset-url:../../codecs/jxl/dec/jxl_node_dec.wasm';
+import type { EncodeOptions as JxlEncodeOptions } from '../../codecs/jxl/enc/jxl_enc.js';
 
 // WP2
 import type { WP2Module as WP2EncodeModule } from '../../codecs/wp2/enc/wp2_enc';
@@ -83,6 +96,7 @@ import wp2Enc from '../../codecs/wp2/enc/wp2_node_enc.js';
 import wp2EncWasm from 'asset-url:../../codecs/wp2/enc/wp2_node_enc.wasm';
 import wp2Dec from '../../codecs/wp2/dec/wp2_node_dec.js';
 import wp2DecWasm from 'asset-url:../../codecs/wp2/dec/wp2_node_dec.wasm';
+import type { EncodeOptions as WP2EncodeOptions } from '../../codecs/wp2/enc/wp2_enc.js';
 
 // PNG
 import * as pngEncDec from '../../codecs/png/pkg/squoosh_png.js';
@@ -95,6 +109,9 @@ const pngEncDecPromise = pngEncDec.default(
 import * as oxipng from '../../codecs/oxipng/pkg/squoosh_oxipng.js';
 import oxipngWasm from 'asset-url:../../codecs/oxipng/pkg/squoosh_oxipng_bg.wasm';
 const oxipngPromise = oxipng.default(fsp.readFile(pathify(oxipngWasm)));
+interface OxiPngEncodeOptions {
+  level: number;
+}
 
 // Resize
 import * as resize from '../../codecs/resize/pkg/squoosh_resize.js';
@@ -171,13 +188,7 @@ export const preprocessors = {
         buffer: Uint8Array,
         input_width: number,
         input_height: number,
-        {
+        { width, height, method, premultiply, linearRGB }: ResizeOptions,
-          width,
-          height,
-          method,
-          premultiply,
-          linearRGB,
-        }: ResizeInstantiateOptions,
       ) => {
         ({ width, height } = resizeWithAspect({
           input_width,
@@ -218,7 +229,7 @@ export const preprocessors = {
         buffer: Uint8Array,
         width: number,
         height: number,
-        { numColors, dither }: { numColors: number; dither: number },
+        { numColors, dither }: QuantOptions,
       ) =>
         new ImageData(
           imageQuant.quantize(buffer, width, height, numColors, dither),
@@ -239,7 +250,7 @@ export const preprocessors = {
         buffer: Uint8Array,
         width: number,
         height: number,
-        { numRotations }: { numRotations: number },
+        { numRotations }: RotateOptions,
       ) => {
         const degrees = (numRotations * 90) % 360;
         const sameDimensions = degrees == 0 || degrees == 180;
@@ -401,13 +412,13 @@ export const codecs = {
         jxlEncWasm,
       ),
     defaultEncoderOptions: {
-      speed: 4,
+      effort: 1,
       quality: 75,
       progressive: false,
       epf: -1,
-      nearLossless: 0,
       lossyPalette: false,
       decodingSpeedTier: 0,
+      photonNoiseIso: 0,
     },
     autoOptimize: {
       option: 'quality',
@@ -480,3 +491,12 @@ export const codecs = {
     },
   },
 } as const;
+
+export {
+  MozJPEGEncodeOptions,
+  WebPEncodeOptions,
+  AvifEncodeOptions,
+  JxlEncodeOptions,
+  WP2EncodeOptions,
+  OxiPngEncodeOptions,
+};

libsquoosh/src/emscripten-utils.ts

@@ -19,7 +19,7 @@ export function instantiateEmscriptenWasm<T extends EmscriptenWasm.Module>(
       // These will have changed in the bundling process and
       // we need to inject them here.
       if (requestPath.endsWith('.wasm')) return pathify(path);
-      if (requestPath.endsWith('.worker.js')) return new URL(workerJS).pathname;
+      if (requestPath.endsWith('.worker.js')) return pathify(workerJS);
       return requestPath;
     },
   });

libsquoosh/src/index.ts

@@ -1,6 +1,18 @@
 import { isMainThread } from 'worker_threads';
 
-import { codecs as encoders, preprocessors } from './codecs.js';
+import {
+  AvifEncodeOptions,
+  codecs as encoders,
+  JxlEncodeOptions,
+  MozJPEGEncodeOptions,
+  OxiPngEncodeOptions,
+  preprocessors,
+  QuantOptions,
+  ResizeOptions,
+  RotateOptions,
+  WebPEncodeOptions,
+  WP2EncodeOptions,
+} from './codecs.js';
 import WorkerPool from './worker_pool.js';
 import { autoOptimize } from './auto-optimizer.js';
 import type ImageData from './image_data';
@@ -9,6 +21,12 @@ export { ImagePool, encoders, preprocessors };
 type EncoderKey = keyof typeof encoders;
 type PreprocessorKey = keyof typeof preprocessors;
 
+type PreprocessOptions = {
+  resize?: ResizeOptions;
+  quant?: QuantOptions;
+  rotate?: RotateOptions;
+};
+
 async function decodeFile({
   file,
 }: {
@@ -168,10 +186,10 @@ class Image {
 
   /**
    * Define one or several preprocessors to use on the image.
-   * @param {object} preprocessOptions - An object with preprocessors to use, and their settings.
+   * @param {PreprocessOptions} preprocessOptions - An object with preprocessors to use, and their settings.
    * @returns {Promise<undefined>} - A promise that resolves when all preprocessors have completed their work.
    */
-  async preprocess(preprocessOptions = {}) {
+  async preprocess(preprocessOptions: PreprocessOptions = {}) {
     for (const [name, options] of Object.entries(preprocessOptions)) {
       if (!Object.keys(preprocessors).includes(name)) {
         throw Error(`Invalid preprocessor "${name}"`);
@@ -202,7 +220,12 @@ class Image {
       optimizerButteraugliTarget?: number;
       maxOptimizerRounds?: number;
     } & {
-      [key in EncoderKey]?: any; // any is okay for now
+      mozjpeg?: Partial<MozJPEGEncodeOptions>;
+      webp?: Partial<WebPEncodeOptions>;
+      avif?: Partial<AvifEncodeOptions>;
+      jxl?: Partial<JxlEncodeOptions>;
+      wp2?: Partial<WP2EncodeOptions>;
+      oxipng?: Partial<OxiPngEncodeOptions>;
     } = {},
   ): Promise<void> {
     const { bitmap } = await this.decoded;

package-lock.json

@@ -32,7 +32,7 @@
         "lodash.camelcase": "^4.3.0",
         "mime-types": "^2.1.28",
         "npm-run-all": "^4.1.5",
-        "pointer-tracker": "^2.4.0",
+        "pointer-tracker": "^2.5.3",
         "postcss": "^7.0.35",
         "postcss-modules": "^3.2.2",
         "postcss-nested": "^4.2.3",
@@ -48,6 +48,20 @@
         "which": "^2.0.2"
       }
     },
+    "../pointer-tracker": {
+      "version": "2.5.0",
+      "extraneous": true,
+      "license": "Apache-2.0",
+      "devDependencies": {
+        "husky": "^4.2.5",
+        "lint-staged": "^10.2.11",
+        "prettier": "^2.0.5",
+        "rollup": "^2.23.1",
+        "rollup-plugin-terser": "^7.0.0",
+        "rollup-plugin-typescript2": "^0.27.2",
+        "typescript": "^3.9.7"
+      }
+    },
     "node_modules/@babel/code-frame": {
       "version": "7.10.4",
       "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
@@ -3871,9 +3885,9 @@
       }
     },
     "node_modules/pointer-tracker": {
-      "version": "2.4.0",
+      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/pointer-tracker/-/pointer-tracker-2.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/pointer-tracker/-/pointer-tracker-2.5.3.tgz",
-      "integrity": "sha512-pWI2tpaM/XNtc9mUTv42Rmjf6mkHvE8LT5DDEq0G7baPNhxNM9E3CepubPplSoSLk9E5bwQrAMyDcPVmJyTW4g==",
+      "integrity": "sha512-LiJUeIbzk4dXq678YeyrZ++mdY17q4n/2sBHfU9wIuvmSzdiPgMvmvWN2g8mY4J7YwYOIrqrZUWP/MfFHVwYtg==",
       "dev": true
     },
     "node_modules/postcss": {
@@ -11946,9 +11960,9 @@
       }
     },
     "pointer-tracker": {
-      "version": "2.4.0",
+      "version": "2.5.3",
-      "resolved": "https://registry.npmjs.org/pointer-tracker/-/pointer-tracker-2.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/pointer-tracker/-/pointer-tracker-2.5.3.tgz",
-      "integrity": "sha512-pWI2tpaM/XNtc9mUTv42Rmjf6mkHvE8LT5DDEq0G7baPNhxNM9E3CepubPplSoSLk9E5bwQrAMyDcPVmJyTW4g==",
+      "integrity": "sha512-LiJUeIbzk4dXq678YeyrZ++mdY17q4n/2sBHfU9wIuvmSzdiPgMvmvWN2g8mY4J7YwYOIrqrZUWP/MfFHVwYtg==",
       "dev": true
     },
     "postcss": {

package.json

@@ -32,7 +32,7 @@
     "lodash.camelcase": "^4.3.0",
     "mime-types": "^2.1.28",
     "npm-run-all": "^4.1.5",
-    "pointer-tracker": "^2.4.0",
+    "pointer-tracker": "^2.5.3",
     "postcss": "^7.0.35",
     "postcss-modules": "^3.2.2",
     "postcss-nested": "^4.2.3",

src/client/lazy-app/Compress/Options/Range/custom-els/RangeInput/index.ts

@@ -20,7 +20,7 @@ const REFLECTED_ATTRIBUTES = [
   'disabled',
 ];
 
-function getPrescision(value: string): number {
+function getPrecision(value: string): number {
   const afterDecimal = value.split('.')[1];
   return afterDecimal ? afterDecimal.length : 0;
 }
@@ -112,18 +112,24 @@ class RangeInputElement extends HTMLElement {
     this.dispatchEvent(retargetted);
   };
 
+  private _getDisplayValue(value: number): string {
+    if (value >= 10000) return (value / 1000).toFixed(1) + 'k';
+
+    const labelPrecision =
+      Number(this.labelPrecision) || getPrecision(this.step) || 0;
+    return labelPrecision
+      ? value.toFixed(labelPrecision)
+      : Math.round(value).toString();
+  }
+
   private _update = () => {
     // Not connected?
     if (!this._valueDisplay) return;
     const value = Number(this.value) || 0;
     const min = Number(this.min) || 0;
     const max = Number(this.max) || 100;
-    const labelPrecision =
-      Number(this.labelPrecision) || getPrescision(this.step) || 0;
     const percent = (100 * (value - min)) / (max - min);
-    const displayValue = labelPrecision
+    const displayValue = this._getDisplayValue(value);
-      ? value.toFixed(labelPrecision)
-      : Math.round(value).toString();
 
     this._valueDisplay!.textContent = displayValue;
     this.style.setProperty('--value-percent', percent + '%');

src/client/lazy-app/Compress/Options/Range/style.css

@@ -35,7 +35,7 @@
   text-decoration-style: dotted;
   text-decoration-color: var(--main-theme-color);
   text-underline-position: under;
-  width: 48px;
+  width: 54px;
   position: relative;
   left: 5px;
 

src/client/lazy-app/Compress/Options/style.css

@@ -1,6 +1,7 @@
 .options-scroller {
   --horizontal-padding: 15px;
   border-radius: var(--scroller-radius);
+  overflow: hidden;
 
   /* At smaller widths, the multi-panel handles the scrolling */
   @media (min-width: 600px) {

src/client/lazy-app/Compress/Output/custom-els/PinchZoom/index.ts

@@ -1,5 +1,6 @@
 import PointerTracker, { Pointer } from 'pointer-tracker';
 import 'add-css:./styles.css';
+import { isSafari } from 'client/lazy-app/util';
 
 interface Point {
   clientX: number;
@@ -81,6 +82,7 @@ function createPoint(): SVGPoint {
 }
 
 const MIN_SCALE = 0.01;
+const MAX_SCALE = 100000;
 
 export default class PinchZoom extends HTMLElement {
   // The element that we'll transform.
@@ -104,14 +106,23 @@ export default class PinchZoom extends HTMLElement {
     const pointerTracker: PointerTracker = new PointerTracker(this, {
       start: (pointer, event) => {
         // We only want to track 2 pointers at most
-        if (pointerTracker.currentPointers.length === 2 || !this._positioningEl)
+        if (
+          pointerTracker.currentPointers.length === 2 ||
+          !this._positioningEl
+        ) {
           return false;
+        }
         event.preventDefault();
         return true;
       },
       move: (previousPointers) => {
         this._onPointerMove(previousPointers, pointerTracker.currentPointers);
       },
+      // Unfortunately Safari on iOS has a bug where pointer event capturing
+      // doesn't work in some cases, and we hit those cases due to our event
+      // retargeting in pinch-zoom.
+      // https://bugs.webkit.org/show_bug.cgi?id=220196
+      avoidPointerEvents: isSafari,
     });
 
     this.addEventListener('wheel', (event) => this._onWheel(event));
@@ -244,6 +255,9 @@ export default class PinchZoom extends HTMLElement {
     // Avoid scaling to zero
     if (scale < MIN_SCALE) return;
 
+    // Avoid scaling to very large values
+    if (scale > MAX_SCALE) return;
+
     // Return if there's no change
     if (scale === this.scale && x === this.x && y === this.y) return;
 
@@ -296,9 +310,13 @@ export default class PinchZoom extends HTMLElement {
       deltaY *= 15;
     }
 
+    const zoomingOut = deltaY > 0;
+
     // ctrlKey is true when pinch-zooming on a trackpad.
     const divisor = ctrlKey ? 100 : 300;
-    const scaleDiff = 1 - deltaY / divisor;
+    // when zooming out, invert the delta and the ratio to keep zoom stable
+    const ratio = 1 - (zoomingOut ? -deltaY : deltaY) / divisor;
+    const scaleDiff = zoomingOut ? 1 / ratio : ratio;
 
     this._applyChange({
       scaleDiff,

src/client/lazy-app/Compress/Output/index.tsx

@@ -5,8 +5,10 @@ import './custom-els/PinchZoom';
 import './custom-els/TwoUp';
 import * as style from './style.css';
 import 'add-css:./style.css';
-import { shallowEqual } from '../../util';
+import { shallowEqual, isSafari } from '../../util';
 import {
+  ToggleAliasingIcon,
+  ToggleAliasingActiveIcon,
   ToggleBackgroundIcon,
   AddIcon,
   RemoveIcon,
@@ -19,7 +21,6 @@ import { cleanSet } from '../../util/clean-modify';
 import type { SourceImage } from '../../Compress';
 import { linkRef } from 'shared/prerendered-app/util';
 import { drawDataToCanvas } from 'client/lazy-app/util/canvas';
-
 interface Props {
   source?: SourceImage;
   preprocessorState?: PreprocessorState;
@@ -35,6 +36,7 @@ interface State {
   scale: number;
   editingScale: boolean;
   altBackground: boolean;
+  aliasing: boolean;
 }
 
 const scaleToOpts: ScaleToOpts = {
@@ -49,6 +51,7 @@ export default class Output extends Component<Props, State> {
     scale: 1,
     editingScale: false,
     altBackground: false,
+    aliasing: false,
   };
   canvasLeft?: HTMLCanvasElement;
   canvasRight?: HTMLCanvasElement;
@@ -145,6 +148,12 @@ export default class Output extends Component<Props, State> {
     return props.rightCompressed || (props.source && props.source.preprocessed);
   }
 
+  private toggleAliasing = () => {
+    this.setState((state) => ({
+      aliasing: !state.aliasing,
+    }));
+  };
+
   private toggleBackground = () => {
     this.setState({
       altBackground: !this.state.altBackground,
@@ -255,7 +264,7 @@ export default class Output extends Component<Props, State> {
 
   render(
     { mobileView, leftImgContain, rightImgContain, source }: Props,
-    { scale, editingScale, altBackground }: State,
+    { scale, editingScale, altBackground, aliasing }: State,
   ) {
     const leftDraw = this.leftDrawable();
     const rightDraw = this.rightDrawable();
@@ -275,7 +284,11 @@ export default class Output extends Component<Props, State> {
             onTouchStartCapture={this.onRetargetableEvent}
             onTouchEndCapture={this.onRetargetableEvent}
             onTouchMoveCapture={this.onRetargetableEvent}
-            onPointerDownCapture={this.onRetargetableEvent}
+            onPointerDownCapture={
+              // We avoid pointer events in our PinchZoom due to a Safari bug.
+              // That means we also need to avoid them here too, else we end up preventing the fallback mouse events.
+              isSafari ? undefined : this.onRetargetableEvent
+            }
             onMouseDownCapture={this.onRetargetableEvent}
             onWheelCapture={this.onRetargetableEvent}
           >
@@ -285,7 +298,9 @@ export default class Output extends Component<Props, State> {
               ref={linkRef(this, 'pinchZoomLeft')}
             >
               <canvas
-                class={style.pinchTarget}
+                class={`${style.pinchTarget} ${
+                  aliasing ? style.pixelated : ''
+                }`}
                 ref={linkRef(this, 'canvasLeft')}
                 width={leftDraw && leftDraw.width}
                 height={leftDraw && leftDraw.height}
@@ -301,7 +316,9 @@ export default class Output extends Component<Props, State> {
               ref={linkRef(this, 'pinchZoomRight')}
             >
               <canvas
-                class={style.pinchTarget}
+                class={`${style.pinchTarget} ${
+                  aliasing ? style.pixelated : ''
+                }`}
                 ref={linkRef(this, 'canvasRight')}
                 width={rightDraw && rightDraw.width}
                 height={rightDraw && rightDraw.height}
@@ -345,10 +362,31 @@ export default class Output extends Component<Props, State> {
             </button>
           </div>
           <div class={style.buttonGroup}>
-            <button class={style.firstButton} onClick={this.onRotateClick}>
+            <button
+              class={style.firstButton}
+              onClick={this.onRotateClick}
+              title="Rotate"
+            >
               <RotateIcon />
             </button>
-            <button class={style.lastButton} onClick={this.toggleBackground}>
+            {!isSafari && (
+              <button
+                class={style.button}
+                onClick={this.toggleAliasing}
+                title="Toggle smoothing"
+              >
+                {aliasing ? (
+                  <ToggleAliasingActiveIcon />
+                ) : (
+                  <ToggleAliasingIcon />
+                )}
+              </button>
+            )}
+            <button
+              class={style.lastButton}
+              onClick={this.toggleBackground}
+              title="Toggle background"
+            >
               {altBackground ? (
                 <ToggleBackgroundActiveIcon />
               ) : (

src/client/lazy-app/Compress/Output/style.css

@@ -86,8 +86,7 @@
   font-size: 1.2rem;
   cursor: pointer;
 
-  &:focus {
+  &:focus-visible {
-    /* box-shadow: 0 0 0 2px var(--hot-pink); */
     box-shadow: 0 0 0 2px #fff;
     outline: none;
     z-index: 1;
@@ -161,3 +160,8 @@ input.zoom {
     pointer-events: auto;
   }
 }
+
+.pixelated {
+  image-rendering: crisp-edges;
+  image-rendering: pixelated;
+}

src/client/lazy-app/icons/index.tsx

@@ -11,6 +11,25 @@ const Icon = (props: preact.JSX.HTMLAttributes) => (
   />
 );
 
+export const ToggleAliasingIcon = (props: preact.JSX.HTMLAttributes) => (
+  <Icon {...props}>
+    <circle
+      cx="12"
+      cy="12"
+      r="8"
+      fill="none"
+      stroke="currentColor"
+      stroke-width="2"
+    />
+  </Icon>
+);
+
+export const ToggleAliasingActiveIcon = (props: preact.JSX.HTMLAttributes) => (
+  <Icon {...props}>
+    <path d="M12 3h5v2h2v2h2v5h-2V9h-2V7h-2V5h-3V3M21 12v5h-2v2h-2v2h-5v-2h3v-2h2v-2h2v-3h2M12 21H7v-2H5v-2H3v-5h2v3h2v2h2v2h3v2M3 12V7h2V5h2V3h5v2H9v2H7v2H5v3H3" />
+  </Icon>
+);
+
 export const ToggleBackgroundIcon = (props: preact.JSX.HTMLAttributes) => (
   <Icon {...props}>
     <path d="M3 13h2v-2H3v2zm0 4h2v-2H3v2zm2 4v-2H3c0 1.1.9 2 2 2zM3 9h2V7H3v2zm12 12h2v-2h-2v2zm4-18H9a2 2 0 0 0-2 2v10c0 1.1.9 2 2 2h10a2 2 0 0 0 2-2V5a2 2 0 0 0-2-2zm0 12H9V5h10v10zm-8 6h2v-2h-2v2zm-4 0h2v-2H7v2z" />

src/client/lazy-app/util/index.ts

@@ -14,6 +14,11 @@
 import * as WebCodecs from '../util/web-codecs';
 import { drawableToImageData } from './canvas';
 
+/** If render engine is Safari */
+export const isSafari =
+  /Safari\//.test(navigator.userAgent) &&
+  !/Chrom(e|ium)\//.test(navigator.userAgent);
+
 /**
  * Compare two objects, returning a boolean indicating if
  * they have the same properties and strictly equal values.

src/features/encoders/jxl/client/index.tsx

@@ -29,10 +29,9 @@ interface State {
   slightLoss: boolean;
   autoEdgePreservingFilter: boolean;
   decodingSpeedTier: number;
+  photonNoiseIso: number;
 }
 
-const maxSpeed = 7;
-
 export class Options extends Component<Props, State> {
   static getDerivedStateFromProps(
     props: Props,
@@ -47,7 +46,7 @@ export class Options extends Component<Props, State> {
     // Create default form state from options
     return {
       options,
-      effort: maxSpeed - options.speed,
+      effort: options.effort,
       quality: options.quality,
       progressive: options.progressive,
       edgePreservingFilter: options.epf === -1 ? 2 : options.epf,
@@ -55,6 +54,7 @@ export class Options extends Component<Props, State> {
       slightLoss: options.lossyPalette,
       autoEdgePreservingFilter: options.epf === -1,
       decodingSpeedTier: options.decodingSpeedTier,
+      photonNoiseIso: options.photonNoiseIso,
     };
   }
 
@@ -87,15 +87,15 @@ export class Options extends Component<Props, State> {
         };
 
         const newOptions: EncodeOptions = {
-          speed: maxSpeed - optionState.effort,
+          effort: optionState.effort,
           quality: optionState.lossless ? 100 : optionState.quality,
           progressive: optionState.progressive,
           epf: optionState.autoEdgePreservingFilter
             ? -1
             : optionState.edgePreservingFilter,
-          nearLossless: 0,
           lossyPalette: optionState.lossless ? optionState.slightLoss : false,
           decodingSpeedTier: optionState.decodingSpeedTier,
+          photonNoiseIso: optionState.photonNoiseIso,
         };
 
         // Updating options, so we don't recalculate in getDerivedStateFromProps.
@@ -121,6 +121,7 @@ export class Options extends Component<Props, State> {
       slightLoss,
       autoEdgePreservingFilter,
       decodingSpeedTier,
+      photonNoiseIso,
     }: State,
   ) {
     // I'm rendering both lossy and lossless forms, as it becomes much easier when
@@ -164,7 +165,6 @@ export class Options extends Component<Props, State> {
               <label class={style.optionToggle}>
                 Auto edge filter
                 <Checkbox
-                  name="autoEdgeFilter"
                   checked={autoEdgePreservingFilter}
                   onChange={this._inputChange(
                     'autoEdgePreservingFilter',
@@ -199,6 +199,17 @@ export class Options extends Component<Props, State> {
                   Optimise for decoding speed (worse compression):
                 </Range>
               </div>
+              <div class={style.optionOneCell}>
+                <Range
+                  min="0"
+                  max="50000"
+                  step="100"
+                  value={photonNoiseIso}
+                  onInput={this._inputChange('photonNoiseIso', 'number')}
+                >
+                  Noise equivalent to ISO:
+                </Range>
+              </div>
             </div>
           )}
         </Expander>
@@ -212,8 +223,8 @@ export class Options extends Component<Props, State> {
         </label>
         <div class={style.optionOneCell}>
           <Range
-            min="0"
+            min="3"
-            max={maxSpeed - 1}
+            max="9"
             value={effort}
             onInput={this._inputChange('effort', 'number')}
           >

src/features/encoders/jxl/shared/meta.ts

@@ -18,11 +18,11 @@ export const label = 'JPEG XL (beta)';
 export const mimeType = 'image/jxl';
 export const extension = 'jxl';
 export const defaultOptions: EncodeOptions = {
-  speed: 4,
+  effort: 7,
   quality: 75,
   progressive: false,
   epf: -1,
-  nearLossless: 0,
   lossyPalette: false,
   decodingSpeedTier: 0,
+  photonNoiseIso: 0,
 };

src/shared/prerendered-app/Intro/SlideOnScroll/index.tsx

@@ -0,0 +1,51 @@
+import { h, Component, RenderableProps } from 'preact';
+
+interface Props {}
+interface State {}
+
+export default class SlideOnScroll extends Component<Props, State> {
+  private observer?: IntersectionObserver;
+
+  componentDidMount() {
+    if (window.matchMedia('(prefers-reduced-motion: reduce)').matches) return;
+
+    const base = this.base as HTMLElement;
+    let wasOutOfView = false;
+
+    this.observer = new IntersectionObserver(
+      (entries, observer) => {
+        for (const entry of entries) {
+          if (!entry.isIntersecting) {
+            wasOutOfView = true;
+            base.style.opacity = '0';
+            return;
+          }
+
+          // Only transition in if the element was at some point out of view.
+          if (wasOutOfView) {
+            base.style.opacity = '';
+            base.animate(
+              { offset: 0, opacity: '0', transform: 'translateY(40px)' },
+              { duration: 300, easing: 'ease' },
+            );
+          }
+          observer.unobserve(entry.target);
+        }
+      },
+      { threshold: 0.2 },
+    );
+
+    this.observer.observe(base);
+  }
+
+  componentWillUnmount() {
+    // Have to manually disconnect due to memory leaks in browsers.
+    // One day we'll be able to remove this, and the private property.
+    // https://twitter.com/jaffathecake/status/1405437361643790337
+    if (this.observer) this.observer.disconnect();
+  }
+
+  render({ children }: RenderableProps<Props>) {
+    return <div>{children}</div>;
+  }
+}

src/shared/prerendered-app/Intro/imgs/info-content/secure.svg

@@ -0,0 +1 @@
+<svg width="498" height="333" fill="none" xmlns="http://www.w3.org/2000/svg"><path d="M401.17 125.52C387.072 53.923 324.253.173 248.787.173c-59.916 0-111.954 34.035-137.869 83.841C48.513 90.655 0 143.574 0 207.7c0 68.692 55.77 124.516 124.394 124.516h269.519c57.221 0 103.662-46.486 103.662-103.763 0-54.787-42.502-99.198-96.405-102.933z" fill="#91D3FF" fill-opacity=".3"/><path d="M187.247 121.321l-3.987-3.987-3.481 4.434c-11.519 14.67-18.366 33.15-18.366 53.242 0 48.003 38.882 86.885 86.885 86.885 20.091 0 38.572-6.848 53.242-18.366l4.434-3.482-3.987-3.986-114.74-114.74zM309.348 228.7l3.987 3.986 3.481-4.434c11.519-14.669 18.366-33.15 18.366-53.242 0-48.002-38.882-86.884-86.884-86.884-20.092 0-38.573 6.847-53.242 18.365l-4.435 3.482 3.987 3.986L309.348 228.7zm-158.406-53.69c0-53.739 43.617-97.355 97.356-97.355 53.738 0 97.355 43.616 97.355 97.355 0 53.739-43.617 97.356-97.355 97.356-53.739 0-97.356-43.617-97.356-97.356z" fill="#FF3385" stroke="#FF3385" stroke-width="10"/></svg>

src/shared/prerendered-app/Intro/index.tsx

@@ -10,12 +10,16 @@ import deviceScreen from 'url:./imgs/demos/demo-device-screen.png';
 import largePhotoIcon from 'url:./imgs/demos/icon-demo-large-photo.jpg';
 import artworkIcon from 'url:./imgs/demos/icon-demo-artwork.jpg';
 import deviceScreenIcon from 'url:./imgs/demos/icon-demo-device-screen.jpg';
+import smallSectionAsset from 'url:./imgs/info-content/small.svg';
+import simpleSectionAsset from 'url:./imgs/info-content/simple.svg';
+import secureSectionAsset from 'url:./imgs/info-content/secure.svg';
 import logoIcon from 'url:./imgs/demos/icon-demo-logo.png';
 import logoWithText from 'url:./imgs/logo-with-text.svg';
 import * as style from './style.css';
 import type SnackBarElement from 'shared/custom-els/snack-bar';
 import 'shared/custom-els/snack-bar';
 import { startBlobs } from './blob-anim/meta';
+import SlideOnScroll from './SlideOnScroll';
 
 const demos = [
   {
@@ -336,14 +340,101 @@ export default class Intro extends Component<Props, State> {
             </ul>
           </div>
         </div>
-        <div class={style.footer}>
+
+        <div class={style.bottomWave}>
+          <svg viewBox="0 0 1920 79" class={style.topWave}>
+            <path
+              d="M0 59l64-11c64-11 192-34 320-43s256-5 384 4 256 23 384 34 256 21 384 14 256-30 320-41l64-11v94H0z"
+              class={style.infoWave}
+            />
+          </svg>
+        </div>
+
+        <section class={style.info}>
+          <div class={style.infoContainer}>
+            <SlideOnScroll>
+              <div class={style.infoContent}>
+                <div class={style.infoTextWrapper}>
+                  <h2 class={style.infoTitle}>Small</h2>
+                  <p class={style.infoCaption}>
+                    Smaller images mean faster load times. Squoosh can reduce
+                    file size and maintain high quality.
+                  </p>
+                </div>
+                <div class={style.infoImgWrapper}>
+                  <img
+                    class={style.infoImg}
+                    src={smallSectionAsset}
+                    alt="silhouette of a large 1.4 megabyte image shrunk into a smaller 80 kilobyte image"
+                    width="536"
+                    height="522"
+                  />
+                </div>
+              </div>
+            </SlideOnScroll>
+          </div>
+        </section>
+
+        <section class={style.info}>
+          <div class={style.infoContainer}>
+            <SlideOnScroll>
+              <div class={style.infoContent}>
+                <div class={style.infoTextWrapper}>
+                  <h2 class={style.infoTitle}>Simple</h2>
+                  <p class={style.infoCaption}>
+                    Open your image, inspect the differences, then save
+                    instantly. Feeling adventurous? Adjust the settings for even
+                    smaller files.
+                  </p>
+                </div>
+                <div class={style.infoImgWrapper}>
+                  <img
+                    class={style.infoImg}
+                    src={simpleSectionAsset}
+                    alt="grid of multiple shrunk images displaying various options"
+                    width="538"
+                    height="384"
+                  />
+                </div>
+              </div>
+            </SlideOnScroll>
+          </div>
+        </section>
+
+        <section class={style.info}>
+          <div class={style.infoContainer}>
+            <SlideOnScroll>
+              <div class={style.infoContent}>
+                <div class={style.infoTextWrapper}>
+                  <h2 class={style.infoTitle}>Secure</h2>
+                  <p class={style.infoCaption}>
+                    Worried about privacy? Images never leave your device since
+                    Squoosh does all the work locally.
+                  </p>
+                </div>
+                <div class={style.infoImgWrapper}>
+                  <img
+                    class={style.infoImg}
+                    src={secureSectionAsset}
+                    alt="silhouette of a cloud with a 'no' symbol on top"
+                    width="498"
+                    height="333"
+                  />
+                </div>
+              </div>
+            </SlideOnScroll>
+          </div>
+        </section>
+
+        <footer class={style.footer}>
+          <div class={style.footerContainer}>
             <svg viewBox="0 0 1920 79" class={style.topWave}>
               <path
                 d="M0 59l64-11c64-11 192-34 320-43s256-5 384 4 256 23 384 34 256 21 384 14 256-30 320-41l64-11v94H0z"
                 class={style.footerWave}
               />
             </svg>
-          <div class={style.contentPadding}>
+            <div class={style.footerPadding}>
               <footer class={style.footerItems}>
                 <a
                   class={style.footerLink}
@@ -367,6 +458,7 @@ export default class Intro extends Component<Props, State> {
               </footer>
             </div>
           </div>
+        </footer>
         {beforeInstallEvent && (
           <button class={style.installBtn} onClick={this.onInstallClick}>
             Install

src/shared/prerendered-app/Intro/style.css

@@ -118,7 +118,114 @@
   fill: var(--light-blue);
 }
 
+.bottom-wave {
+  position: relative;
+}
+
+.info {
+  background: var(--white);
+  position: relative;
+  padding: 5em 2em;
+
+  @media (min-width: 1200px) {
+    padding: 5em 0;
+  }
+}
+
+.info-container {
+  max-width: 1000px;
+  margin: 0 auto;
+}
+
+.info-content {
+  display: grid;
+  align-items: center;
+  grid-template-columns: 1fr;
+  gap: 1em;
+
+  grid-template-areas:
+    'text'
+    'img';
+
+  @media (min-width: 712px) {
+    grid-template-columns: 1fr 1fr;
+    grid-template-areas: 'text img';
+
+    .info:nth-child(even) & {
+      grid-template-areas: 'img text';
+    }
+  }
+}
+
+.info-title {
+  color: var(--pink);
+  font-size: 3em;
+  margin: 0;
+}
+
+.info-caption {
+  font-size: 1.5em;
+  line-height: 1.75;
+  margin: 1em 0 0.5em 0;
+}
+
+.info-link {
+  font-size: 1.25em;
+  text-underline-offset: 0.25em;
+  color: var(--off-black);
+  transition: color 400ms ease-in-out;
+  margin-top: 1em;
+  &:hover {
+    color: var(--dim-blue);
+  }
+}
+
+.info-text-wrapper {
+  display: flex;
+  flex-flow: column wrap;
+  max-width: 27em;
+  justify-self: center;
+  grid-area: text;
+
+  @media (min-width: 712px) {
+    justify-self: start;
+    .info:nth-child(even) & {
+      text-align: right;
+      justify-self: end;
+    }
+  }
+}
+
+.info-img-wrapper {
+  grid-area: img;
+}
+
+.info-img {
+  display: block;
+  width: 100%;
+  height: auto;
+  max-width: 400px;
+  margin: 0 auto;
+
+  @media (min-width: 768px) {
+    margin: 0 0 0 auto;
+
+    .info:nth-child(even) & {
+      margin: 0;
+    }
+  }
+}
+
+.info-wave {
+  fill: var(--white);
+}
+
 .footer {
+  background: var(--white);
+  padding-top: 5em;
+}
+
+.footer-container {
   position: relative;
   background: var(--light-gray);
 }
@@ -128,7 +235,11 @@
 }
 
 .content-padding {
-  padding: 2rem;
+  padding: 2em 0;
+}
+
+.footer-padding {
+  padding: 2em;
 }
 
 .footer-items {

src/static-build/index.tsx

@@ -25,18 +25,6 @@ import { lookup as lookupMime } from 'mime-types';
 const manifestSize = ({ width, height }: { width: number; height: number }) =>
   `${width}x${height}`;
 
-// Set by Netlify
-const branch = process.env.BRANCH;
-
-const branchOriginTrialIds = new Map([
-  [
-    'live',
-    'Aj5GY7W9AHM8di+yvMCajIhLRHoYN7slruwOYXE/Iub5hgmW/r2RQt07vrUuT4eUTkWxcyNCAVkiI+5ugdVW3gAAAABUeyJvcmlnaW4iOiJodHRwczovL3NxdW9vc2guYXBwOjQ0MyIsImZlYXR1cmUiOiJXZWJBc3NlbWJseVNpbWQiLCJleHBpcnkiOjE2MjM4MDE1OTl9',
-  ],
-]);
-
-const originTrialId = branchOriginTrialIds.get(branch || '');
-
 interface Output {
   [outputPath: string]: string;
 }
@@ -110,15 +98,6 @@ const toOutput: Output = {
     /*
       Cross-Origin-Embedder-Policy: require-corp
       Cross-Origin-Opener-Policy: same-origin
-
-    # Origin trial for WebAssembly SIMD.
-    ${
-      originTrialId
-        ? `  Origin-Trial: ${originTrialId}`
-        : `# Cannot find origin trial ID. process.env.BRANCH is: ${JSON.stringify(
-            branch,
-          )}`
-    }
   `,
 };
 

src/static-build/pages/index/index.tsx

@@ -59,6 +59,7 @@ const Index: FunctionalComponent<Props> = () => (
       <link rel="shortcut icon" href={favicon} />
       <meta name="theme-color" content="#ff3385" />
       <link rel="manifest" href="/manifest.json" />
+      <link rel="canonical" href={siteOrigin} />
       <style
         dangerouslySetInnerHTML={{ __html: escapeStyleScriptContent(baseCss) }}
       />

static-build-tsconfig.json

@@ -1,7 +1,7 @@
 {
   "extends": "./generic-tsconfig.json",
   "compilerOptions": {
-    "lib": ["esnext", "dom"],
+    "lib": ["esnext", "dom", "dom.iterable"],
     "types": ["node"]
   },
   "include": ["src/shared/**/*", "src/static-build/**/*"]