How to use the createCanvas function from bindings
Find comprehensive JavaScript bindings.createCanvas code examples handpicked from public code repositorys.
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### 快速上手 ``` javascript const { createCanvas, Image } = require('bindings')('canvas'); const canvas = createCanvas(400, 400); const ctx = canvas.getContext('2d') ctx.fillRect(0, 0, 150, 150) // Draw a rectangle with default settings ctx.save() // Save the default state
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module.exports = { createCanvas: createCanvasInner, Image: Image, } function createCanvasInner(width, height) { let canvas = createCanvas(width, height); Object.defineProperty(canvas, 'createPNGStream', { value: function (options) { return new PNGStream(canvas, options); }
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##### createPNG ```javascript createPNG(name:string) => void ``` ```javascript let canvas = createCanvas(400, 400); var ctx = canvas.getContext('2d'); ctx.fillStyle="#ff0000" ctx.fillRect(0, 0, 150, 150) canvas.createPNG("demo1") //生成一张png的图片
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