WebApr 14, 2024 · 首先我们先使用html2canvas将某个dom元素为canvas,然后可以调用canvas中的方法,例如:toDataURL将其转为base64编码,或者toBlob转为一个二进制对象等等,然后就随意我们怎么操作了,可以进行下载, 也可以将base64编码赋给img标签src在页面上再渲染出该dom以图片的方式 ... WebThe problem is on the conversion to png.I use html2canvas for that with Canvas2Image. The html2canvas consoles logs an error: Uncaught (in promise) undefined. Canvas2Image console logs Uncaught (in promise) DOMException: Failed to execute 'drawImage' on 'CanvasRenderingContext2D': The image argument is a canvas element with a width or …
javascript - How To Save Canvas As An Image With …
WebMay 4, 2016 · I came across Cavas2Image.js & html2canvas.js and have implemented both in my project. I have wired up a button to save the image. Currently, when clicked it created a download file, but it is just called download and there is no extension. If I add extension .png it then works correctly. ... Canvas2Image.saveAsImage(canvas, null, null, "png ... WebSimilar to 1000Bugy's answer but simpler because you don't have to make an anchor on the fly and dispatch a click event manually (plus an IE fix).. If you make your download button an anchor you can highjack it right before the default anchor functionality is run. So onAnchorClick you can set the anchor href to the canvas base64 image and the anchor … one flirt
Canvas F.A.Q / Хабр
WebCanvas2Image.saveAsImage(canvasObj, width, height, type) Canvas2Image.saveAsPNG(canvasObj, width, height) Canvas2Image.saveAsJPEG(canvasObj, width, height ... WebOct 7, 2014 · Thanks for the Help. Still facing the same issue. content is converting to image properly. it shows in the browser page. "Canvas2image.js" use "saveFile" function and i thought there is some issue. Issue occurs in Firefox, in Chrome it works properly. – WebMar 30, 2010 · Currently I am using Canvas2Image to save the content of my HTML5 canvas. It doesn't appear to work in Google Chrome, however. Any ideas on how to work around the issue are welcome. ... download these canvas2image.js and base64.js and save it in local folder for the working of this code. These will be available in the site https: ... one flint street marblehead ma