WIP

package-lock.json

@@ -12,7 +12,9 @@
         "@types/gif.js": "^0.2.2",
         "chess.js": "^0.12.0",
         "gif.js": "^0.2.0",
-        "webfontloader": "^1.6.28"
+        "h264-mp4-encoder": "^1.0.12",
+        "webfontloader": "^1.6.28",
+        "webm-writer": "^1.0.0"
       },
       "devDependencies": {
         "@types/node": "^17.0.8",
@@ -323,6 +325,11 @@
       "resolved": "https://registry.npmjs.org/gif.js/-/gif.js-0.2.0.tgz",
       "integrity": "sha1-YV5uN4iFDNOiDIX+nwlTnnhJA+g="
     },
+    "node_modules/h264-mp4-encoder": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/h264-mp4-encoder/-/h264-mp4-encoder-1.0.12.tgz",
+      "integrity": "sha512-xih3J+Go0o1RqGjhOt6TwXLWWGqLONRPyS8yoMu/RoS/S8WyEv4HuHp1KBsDDl8srZQ3gw9f95JYkCSjCuZbHQ=="
+    },
     "node_modules/has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -480,6 +487,11 @@
       "version": "1.6.28",
       "resolved": "https://registry.npmjs.org/webfontloader/-/webfontloader-1.6.28.tgz",
       "integrity": "sha1-23hhKSU8tujq5UwvsF+HCvZnW64="
+    },
+    "node_modules/webm-writer": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/webm-writer/-/webm-writer-1.0.0.tgz",
+      "integrity": "sha512-xafP4mzUqht03HBXP0Ov2YGsxfD08uncad9fQeshYwQXrcP6Z/4uxd1IUaGKqKigFPAgaD9xb6JEKA8SXLQMLA=="
     }
   },
   "dependencies": {
@@ -672,6 +684,11 @@
       "resolved": "https://registry.npmjs.org/gif.js/-/gif.js-0.2.0.tgz",
       "integrity": "sha1-YV5uN4iFDNOiDIX+nwlTnnhJA+g="
     },
+    "h264-mp4-encoder": {
+      "version": "1.0.12",
+      "resolved": "https://registry.npmjs.org/h264-mp4-encoder/-/h264-mp4-encoder-1.0.12.tgz",
+      "integrity": "sha512-xih3J+Go0o1RqGjhOt6TwXLWWGqLONRPyS8yoMu/RoS/S8WyEv4HuHp1KBsDDl8srZQ3gw9f95JYkCSjCuZbHQ=="
+    },
     "has": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
@@ -767,6 +784,11 @@
       "version": "1.6.28",
       "resolved": "https://registry.npmjs.org/webfontloader/-/webfontloader-1.6.28.tgz",
       "integrity": "sha1-23hhKSU8tujq5UwvsF+HCvZnW64="
+    },
+    "webm-writer": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/webm-writer/-/webm-writer-1.0.0.tgz",
+      "integrity": "sha512-xafP4mzUqht03HBXP0Ov2YGsxfD08uncad9fQeshYwQXrcP6Z/4uxd1IUaGKqKigFPAgaD9xb6JEKA8SXLQMLA=="
     }
   }
 }

package.json

@@ -17,6 +17,8 @@
     "@types/gif.js": "^0.2.2",
     "chess.js": "^0.12.0",
     "gif.js": "^0.2.0",
-    "webfontloader": "^1.6.28"
+    "h264-mp4-encoder": "^1.0.12",
+    "webfontloader": "^1.6.28",
+    "webm-writer": "^1.0.0"
   }
 }

src/board/Board.ts

@@ -23,7 +23,7 @@ class Board {
   private squareSize: number = 84;
   private innerSize: number = 672;
   private borderWidth: number = 24;
-  private background: Promise<ImageBitmap> | null = null;
+  private background: HTMLCanvasElement | null = null;
   private extraInfo: boolean = true;
   private scale: number = 1;
   private margin: number = 0;
@@ -125,12 +125,18 @@ class Board {
   }
 
   async renderBackground() {
+    const canvas = document.createElement("canvas");
+    const ctx = canvas.getContext("2d") as CanvasRenderingContext2D;
+
+    canvas.width = this.size;
+    canvas.height = this.size + this.margin * 2;
+
     const { background, dark, light, border, coords } = this.style;
 
-    await drawRectangle(this.tempCtx, this.width, this.height, 0, 0, border);
+    await drawRectangle(ctx, this.width, this.height, 0, 0, border);
 
     await drawRectangle(
-      this.tempCtx,
+      ctx,
       this.innerSize,
       this.innerSize,
       this.borderVisible ? this.borderWidth : 0,
@@ -149,19 +155,12 @@ class Board {
         const x = file * this.squareSize + this.borderWidth;
         const y = rank * this.squareSize + this.borderWidth + this.margin;
 
-        await drawRectangle(
-          this.tempCtx,
-          this.squareSize,
-          this.squareSize,
-          x,
-          y,
-          style
-        );
+        await drawRectangle(ctx, this.squareSize, this.squareSize, x, y, style);
       }
     }
 
     drawCoords(
-      this.tempCtx,
+      ctx,
       coords,
       this.squareSize,
       this.tiles,
@@ -172,7 +171,7 @@ class Board {
       this.margin
     );
 
-    this.background = createImageBitmap(this.tempCanvas);
+    this.background = canvas;
   }
 
   async frame(
@@ -180,6 +179,7 @@ class Board {
     header: { [key: string]: string | undefined },
     move: Move | null = null
   ) {
+    console.log("Preparing frame");
     this.lastMove = move;
     this.boardData = boardData;
 
@@ -193,10 +193,12 @@ class Board {
     this.tempCtx.clearRect(0, 0, this.size, this.size);
 
     if (this.background === null) {
+      console.log("Background rendering...");
       await this.renderBackground();
+      console.log("Background rendered");
     }
 
-    this.tempCtx.drawImage((await this.background) as ImageBitmap, 0, 0);
+    this.tempCtx.drawImage((await this.background) as HTMLCanvasElement, 0, 0);
 
     if (boardData !== null) {
       if (this.lastMove) {

src/board/fill/createGradient.ts

@@ -15,13 +15,27 @@ const createGradient = (
   x: number,
   y: number
 ) => {
+  let gradient: CanvasGradient;
+
+  if (data.dir === "radial") {
+    const radius = Math.sqrt((width / 2) ** 2 + (height / 2) ** 2);
+    gradient = ctx.createRadialGradient(
+      x + width / 2,
+      y + height / 2,
+      radius,
+      x + width / 2,
+      y + height / 2,
+      0
+    );
+  } else {
     const [dirXStart, dirYStart, dirXStop, dirYStop] = gradientDirs[data.dir];
-  const gradient = ctx.createLinearGradient(
+    gradient = ctx.createLinearGradient(
       x + dirXStart * width,
       y + dirYStart * height,
       x + dirXStop * width,
       y + dirYStop * height
     );
+  }
 
   const maxIndex = data.colors.length - 1;
 

src/board/fill/createPattern.ts

@@ -1,12 +0,0 @@
-import { ImageData } from "../../types";
-import loadImage from "../loaders/loadImage";
-
-const createPattern = async (
-  ctx: CanvasRenderingContext2D,
-  data: ImageData
-) => {
-  const img = await loadImage(data.src);
-  return ctx.createPattern(img, "repeat");
-};
-
-export default createPattern;

src/board/layers/drawRectangle.ts

@@ -1,6 +1,6 @@
 import { SquareStyle } from "../../types";
 import createGradient from "../fill/createGradient";
-import createPattern from "../fill/createPattern";
+import loadImage from "../loaders/loadImage";
 
 const drawRectangle = async (
   ctx: CanvasRenderingContext2D,
@@ -10,11 +10,15 @@ const drawRectangle = async (
   y: number,
   squareStyle: SquareStyle
 ) => {
+  if (squareStyle.type === "image") {
+    const img = await loadImage(squareStyle.data.src);
+    ctx.drawImage(img, x, y, width, height);
+    return;
+  }
+
   const fill = await (squareStyle.type === "solid"
     ? squareStyle.data.color
-    : squareStyle.type === "gradient"
-    ? createGradient(ctx, squareStyle.data, width, height, x, y)
-    : createPattern(ctx, squareStyle.data));
+    : createGradient(ctx, squareStyle.data, width, height, x, y));
 
   if (fill === null) {
     throw new Error("Cannot create canvas fill style");

src/board/styles-board/avocado.ts

@@ -27,7 +27,7 @@ const style: Style = {
   border: {
     type: "solid",
     data: {
-      color: "#1f2b15",
+      color: "#2d3923",
     },
   },
   coords: {

src/board/styles-board/calm.ts

@@ -35,7 +35,7 @@ const style: Style = {
     type: "gradient",
     data: {
       dir: "diagonal-top",
-      colors: ["#70982b", "#008b7a"],
+      colors: ["#65a32e", "#007a80"],
     },
   },
   coords: {

src/board/styles-board/glass.ts

@@ -1,40 +0,0 @@
-import { Style } from "../../types";
-
-const style: Style = {
-  name: "Glass",
-  background: {
-    type: "solid",
-    data: {
-      color: "transparent",
-    },
-  },
-  dark: {
-    type: "solid",
-    data: {
-      color: "#ffffff33",
-    },
-  },
-  light: {
-    type: "solid",
-    data: {
-      color: "#ffffff99",
-    },
-  },
-  moveIndicator: {
-    type: "color",
-    data: "#00ffff55",
-  },
-  border: {
-    type: "solid",
-    data: {
-      color: "#ffffff66",
-    },
-  },
-  coords: {
-    onLight: "#222",
-    onDark: "#ddd",
-    onBorder: "#ddd",
-  },
-};
-
-export default style;

src/board/styles-board/index.ts

@@ -1,21 +1,21 @@
 import avocado from "./avocado";
 import calm from "./calm";
 import standard from "./standard";
-import glass from "./glass";
 import kittens from "./kittens";
 import lichess from "./lichess";
 import lila from "./lila";
 import mono from "./mono";
 import peach from "./peach";
+import temp from "./temp";
 
 export default {
   avocado,
   calm,
-  glass,
   kittens,
   lichess,
   lila,
   mono,
   peach,
   standard,
+  temp,
 };

src/board/styles-board/lichess.ts

@@ -27,13 +27,13 @@ const style: Style = {
   border: {
     type: "solid",
     data: {
-      color: "#896d56",
+      color: "#916655",
     },
   },
   coords: {
-    onLight: "#b58863",
-    onDark: "#f0d9b5",
-    onBorder: "#f0d9b5",
+    onLight: "#9c6f49",
+    onDark: "#f9f0e1",
+    onBorder: "#f9f0e1",
   },
 };
 

src/board/styles-board/temp.ts

@@ -0,0 +1,42 @@
+import { Style } from "../../types";
+
+const style: Style = {
+  name: "Temp",
+  background: {
+    type: "gradient",
+    data: {
+      dir: "radial",
+      colors: ["#ff00ff", "#00ffff"],
+    },
+  },
+  dark: {
+    type: "image",
+    data: {
+      src: "https://placekitten.com/1024/1024",
+    },
+  },
+  light: {
+    type: "gradient",
+    data: {
+      dir: "radial",
+      colors: ["#ffffff11", "#ffff0099", "#ffff0099"],
+    },
+  },
+  moveIndicator: {
+    type: "hueShift",
+    data: 70,
+  },
+  border: {
+    type: "solid",
+    data: {
+      color: "#2d3923",
+    },
+  },
+  coords: {
+    onLight: "#4d7a26",
+    onDark: "#ffffc4",
+    onBorder: "#ececa4",
+  },
+};
+
+export default style;

src/encoders/MP4.ts

@@ -0,0 +1,37 @@
+import * as HME from "h264-mp4-encoder";
+
+class MP4 {
+  private hme: Promise<HME.H264MP4Encoder>;
+  private encoder: HME.H264MP4Encoder | null = null;
+
+  constructor(width: number, height: number) {
+    this.hme = HME.createH264MP4Encoder();
+    this.setup(width, height);
+  }
+
+  async setup(width: number, height: number) {
+    this.encoder = await this.hme;
+    this.encoder.width = width;
+    this.encoder.height = height;
+    this.encoder.initialize();
+  }
+
+  // add(frame: CanvasImageSource | string, delay: number) {
+  //   // this.encoder?.addFrameRgba()
+  // }
+
+  // async render(): Promise<File> {
+  //   const blob = await this.video.complete();
+
+  //   const timestamp = Date.now();
+
+  //   const file = new File([blob], `board_${timestamp}.webm`, {
+  //     type: "video/webm",
+  //     lastModified: timestamp,
+  //   });
+
+  //   return file;
+  // }
+}
+
+export default MP4;

src/encoders/WebM.ts

@@ -0,0 +1,35 @@
+// @ts-ignore
+import WebMWriter from "webm-writer";
+
+class WebM {
+  private video: WebMWriter;
+
+  constructor() {
+    this.video = new WebMWriter({
+      quality: 0.8,
+      fileWriter: null,
+      fd: null,
+      frameDuration: 1000,
+      transparent: false,
+    });
+  }
+
+  add(frame: CanvasImageSource | string, delay: number) {
+    this.video.addFrame(frame, delay);
+  }
+
+  async render(): Promise<File> {
+    const blob = await this.video.complete();
+
+    const timestamp = Date.now();
+
+    const file = new File([blob], `board_${timestamp}.webm`, {
+      type: "video/webm",
+      lastModified: timestamp,
+    });
+
+    return file;
+  }
+}
+
+export default WebM;

src/encoders/createAnimation.ts

@@ -0,0 +1,51 @@
+import { Style } from "../types";
+import Board from "../board/Board";
+import Game from "../game/Game";
+import GIF from "./GIF";
+import WebM from "./WebM";
+// import MP4 from "./MP4";
+
+const MOVE_TIME = 1000;
+
+const createAnimation = async (
+  pgn: string,
+  style: Style,
+  size: number = 720,
+  format: "GIF" | "WebM"
+) => {
+  const game = new Game().loadPGN(pgn);
+  const board = new Board(8).setStyle(style).setSize(size).hideBorder();
+  const animation =
+    format === "GIF" ? new GIF(board.width, board.height, true) : new WebM();
+  const header = game.getHeader();
+
+  await board.titleFrame(header);
+  board.render();
+  animation.add(format === "GIF" ? board.toImgElement() : board.canvas, 5000);
+
+  await board.frame(game.getBoardData(), header);
+  board.render();
+  animation.add(
+    format === "GIF" ? board.toImgElement() : board.canvas,
+    MOVE_TIME
+  );
+
+  while (true) {
+    const move = game.next();
+
+    if (!move) {
+      break;
+    }
+
+    await board.frame(game.getBoardData(), header, move);
+    board.render();
+    animation.add(
+      format === "GIF" ? board.toImgElement() : board.canvas,
+      MOVE_TIME
+    );
+  }
+
+  return await animation.render();
+};
+
+export default createAnimation;

src/gif/createSimpleGIF.ts

@@ -1,41 +0,0 @@
-import { Style } from "./../types";
-import Board from "../board/Board";
-import Game from "../game/Game";
-import GIF from "./GIF";
-
-const MOVE_TIME = 1000;
-
-const createSimpleGIF = async (
-  pgn: string,
-  style: Style,
-  size: number = 720
-) => {
-  const game = new Game().loadPGN(pgn);
-  const board = new Board(8).setStyle(style).setSize(size).hideBorder();
-  const gif = new GIF(board.width, board.height, true);
-  const header = game.getHeader();
-
-  await board.titleFrame(header);
-  board.render();
-  gif.add(board.toImgElement(), 5000);
-
-  await board.frame(game.getBoardData(), header);
-  board.render();
-  gif.add(board.toImgElement(), MOVE_TIME);
-
-  while (true) {
-    const move = game.next();
-
-    if (!move) {
-      break;
-    }
-
-    await board.frame(game.getBoardData(), header, move);
-    board.render();
-    gif.add(board.toImgElement(), MOVE_TIME);
-  }
-
-  return await gif.render();
-};
-
-export default createSimpleGIF;

src/main.ts

@@ -4,7 +4,7 @@ import Board from "./board/Board";
 import styles from "./board/styles-board";
 import Game from "./game/Game";
 import pgns from "./test-data/pgns";
-import createSimpleGIF from "./gif/createSimpleGIF";
+import createAnimation from "./encoders/createAnimation";
 // import { decompressPGN } from "./game/PGNHelpers";
 import WebFont from "webfontloader";
 
@@ -21,10 +21,10 @@ const play = async (board: Board, pgn: string | null, interval: number) => {
 
   const header = game.getHeader();
 
-  await board.titleFrame(header);
-  board.render();
+  // await board.titleFrame(header);
+  // board.render();
   await board.frame(game.getBoardData(), header);
-  await delay(interval * 3);
+  // await delay(interval * 3);
   board.render();
 
   while (true) {
@@ -44,7 +44,7 @@ const play = async (board: Board, pgn: string | null, interval: number) => {
 };
 
 const createDownloadLink = async (pgn: string, style: Style) => {
-  const file = await createSimpleGIF(pgn, style, 720);
+  const file = await createAnimation(pgn, style, 720, "GIF");
   const link = document.createElement("a");
   link.innerText = "DOWNLOAD";
   link.setAttribute("href", URL.createObjectURL(file));
@@ -62,7 +62,7 @@ const main = async () => {
 
   // const hash = window.location.hash;
   // const pgn = hash === "" ? null : decompressPGN(hash.slice(1));
-  const pgn = pgns[pgns.length - 1];
+  const pgn = pgns[2];
   const board = new Board(8).setStyle(style).setSize(720).showBorder();
 
   $app?.appendChild(board.canvas);
@@ -72,9 +72,9 @@ const main = async () => {
   const interval = 1000;
   play(board, pgn, interval);
 
-  createDownloadLink(pgns[2], style).then((link) => {
-    document.body.appendChild(link);
-  });
+  // createDownloadLink(pgns[2], style).then((link) => {
+  //   document.body.appendChild(link);
+  // });
 };
 
 WebFont.load({

src/style.css

@@ -1,3 +1,9 @@
+* {
+  border: 0;
+  margin: 0;
+  padding: 0;
+}
+
 body {
   background-color: #111;
   background-image: url(background.png);
@@ -15,7 +21,7 @@ body {
   height: 800px; */
   /* width: 1024px;
   height: 1024px; */
-  margin: 10px;
   box-shadow: 0 0 30px rgba(0, 0, 0, 0.5);
   border-radius: 5px;
+  max-width: 100%;
 }

src/types.ts

@@ -2,7 +2,8 @@ export type GradientDir =
   | "horizontal"
   | "vertical"
   | "diagonal-top"
-  | "diagonal-bottom";
+  | "diagonal-bottom"
+  | "radial";
 
 export type GradientData = {
   dir: GradientDir;