Created
March 25, 2022 11:05
-
-
Save subzey/8917272528fab965df0c489fffef4f53 to your computer and use it in GitHub Desktop.
Japanese character test
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <!doctype html> | |
| <html> | |
| <head></head> | |
| <body> | |
| <canvas width="1080" height="1920"></canvas> | |
| <script> | |
| const blocks = [ | |
| [0x2e80, 0x2eff], | |
| [0x2f00, 0x2fdf], | |
| [0x3000, 0x303f], | |
| [0x3040, 0x309f], | |
| [0x30a0, 0x30ff], | |
| [0x31f0, 0x31ff], | |
| [0x3200, 0x32ff], | |
| [0x3300, 0x33ff], | |
| [0x3400, 0x4dbf], | |
| [0x4e00, 0x9fff], | |
| [0xf900, 0xfaff], | |
| [0xff00, 0xffef], | |
| [0x16fe0, 0x16fff], | |
| [0x1aff0, 0x1afff], | |
| [0x1b000, 0x1b0ff], | |
| [0x1b100, 0x1b12f], | |
| [0x1b130, 0x1b16f], | |
| [0x1f200, 0x1f2ff], | |
| [0x20000, 0x2a6df], | |
| [0x2a700, 0x2b73f], | |
| [0x2b740, 0x2b81f], | |
| [0x2b820, 0x2ceaf], | |
| [0x2ceb0, 0x2ebef], | |
| [0x2f800, 0x2fa1f], | |
| [0x30000, 0x3134f], | |
| ]; | |
| function * japaneseCodePoints() { | |
| for (const [from, to] of blocks) { | |
| for (let i = from; i <= to; i++) { | |
| yield i; | |
| } | |
| } | |
| } | |
| async function main() { | |
| const ctx = document.querySelector('canvas').getContext('2d'); | |
| const { width, height } = ctx.canvas; | |
| ctx.font = '16px -apple-system, BlinkMacSystemFont, sans-serif'; | |
| let x = Infinity; | |
| let y = Infinity; | |
| for (const cp1 of japaneseCodePoints()) { | |
| for (const cp2 of japaneseCodePoints()) { | |
| const s = String.fromCodePoint(cp1, cp2); | |
| const box = ctx.measureText(s); | |
| if (x + box.width > width) { | |
| x = 0; | |
| y += 10; | |
| } | |
| if (y > height) { | |
| y = 8; | |
| console.log(cp1, cp2); | |
| await new Promise(r => requestAnimationFrame(r)); | |
| ctx.clearRect(0, 0, width, height); | |
| } | |
| ctx.fillText(s, x, y); | |
| x += box.width; | |
| } | |
| } | |
| } | |
| main(); | |
| </script> | |
| </body> | |
| </html> |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment