Created
May 29, 2021 20:14
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Test canvas
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| <!doctype html> | |
| <html> | |
| <body> | |
| <div></div> | |
| <script> | |
| const FONT_FAMILY = '"Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Twemoji Mozilla","Noto Color Emoji","EmojiOne Color","Android Emoji",sans-serif'; | |
| const getTextFeature = (text2, color) => { | |
| try { | |
| const canvas = document.createElement("canvas"); | |
| canvas.width = canvas.height = 1; | |
| const ctx = canvas.getContext("2d"); | |
| ctx.textBaseline = "top"; | |
| ctx.font = `100px ${FONT_FAMILY}`; | |
| ctx.fillStyle = color; | |
| ctx.scale(0.01, 0.01); | |
| ctx.fillText(text2, 0, 0); | |
| return ctx.getImageData(0, 0, 1, 1).data; | |
| } catch (e) { | |
| } | |
| } | |
| document.querySelector('div').textContent = 'text feature: ' + getTextFeature('😼') | |
| </script> | |
| </body> | |
| </html> |
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