cesium 下导出canvas内的内容为图片并自动下载
作者:互联网
该方法直接使用就可以,
// canvas导出画布内的内容
function saveToFile(scene) {
let canvas = scene.canvas;
let image = canvas.toDataURL("image/png").replace("image/png", "image/octet-stream");
let link = document.createElement("a");
let blob = dataURLtoBlob(image);
let objurl = URL.createObjectURL(blob);
link.download = "scene.png";
link.href = objurl;
link.click();
}
function dataURLtoBlob(dataurl) {
let arr = dataurl.split(','),
mime = arr[0].match(/:(.*?);/)[1],
bstr = atob(arr[1]),
n = bstr.length,
u8arr = new Uint8Array(n);
while (n--) {
u8arr[n] = bstr.charCodeAt(n);
}
return new Blob([u8arr], { type: mime });
}
标签:canvas,image,导出,arr,scene,let,cesium,link 来源: https://www.cnblogs.com/lambertlt/p/16373968.html