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| 1 | // Canvas 前端取色 |
| 2 | const getColorByCanvas = (img) => { |
| 3 | return new Promise((resolve, reject) => { |
| 4 | try { |
| 5 | img.crossOrigin = "Anonymous"; |
| 6 | const extract = () => { |
| 7 | try { |
| 8 | const canvas = document.createElement("canvas"); |
| 9 | const ctx = canvas.getContext("2d"); |
| 10 | canvas.width = 1; canvas.height = 1; |