From 2800fa4f32f3900509cb4d6eefaf2bfaf54efdd7 Mon Sep 17 00:00:00 2001
From: 罗广辉 <guanghui.luo@foxmail.com>
Date: Mon, 21 Apr 2025 18:29:09 +0800
Subject: [PATCH] fix: 天气显示
---
src/utils/cesium/compressImage.js | 74 ++++++++++++++++++------------------
1 files changed, 37 insertions(+), 37 deletions(-)
diff --git a/src/utils/cesium/compressImage.js b/src/utils/cesium/compressImage.js
index 7c99c18..0b09680 100644
--- a/src/utils/cesium/compressImage.js
+++ b/src/utils/cesium/compressImage.js
@@ -7,49 +7,49 @@
* @return {*}
*/
function compressImage(src, quality, maxWidth, callback) {
- const img = new Image();
- img.setAttribute('crossOrigin', 'Anonymous');
- img.onload = function () {
- const canvas = document.createElement('canvas');
- const ctx = canvas.getContext('2d');
- let width = img.width;
- let height = img.height;
+ const img = new Image()
+ img.setAttribute('crossOrigin', 'Anonymous')
+ img.onload = function () {
+ const canvas = document.createElement('canvas')
+ const ctx = canvas.getContext('2d')
+ let width = img.width
+ let height = img.height
- if (width > maxWidth) {
- height *= maxWidth / width;
- width = maxWidth;
- }
+ if (width > maxWidth) {
+ height *= maxWidth / width
+ width = maxWidth
+ }
- canvas.width = width;
- canvas.height = height;
- ctx.drawImage(img, 0, 0, width, height);
+ canvas.width = width
+ canvas.height = height
+ ctx.drawImage(img, 0, 0, width, height)
- const newData = canvas.toDataURL('image/jpeg', quality);
- // 使用atob()将base64转换为二进制字符串
- const binaryString = window.atob(newData.split(',')[1]);
- const mimeString = newData.split(',')[0].split(':')[1].split(';')[0];
- // 创建Blob对象
- const array = [];
- for (let i = 0; i < binaryString.length; i++) {
- array.push(binaryString.charCodeAt(i));
- }
- const blob = new Blob([new Uint8Array(array)], { type: mimeString });
+ const newData = canvas.toDataURL('image/jpeg', quality)
+ // 使用atob()将base64转换为二进制字符串
+ const binaryString = window.atob(newData.split(',')[1])
+ const mimeString = newData.split(',')[0].split(':')[1].split(';')[0]
+ // 创建Blob对象
+ const array = []
+ for (let i = 0; i < binaryString.length; i++) {
+ array.push(binaryString.charCodeAt(i))
+ }
+ const blob = new Blob([new Uint8Array(array)], { type: mimeString })
- callback(blob);
- };
- img.src = src;
+ callback(blob)
+ }
+ img.src = src
- return src;
+ return src
}
export default function imageCompress(src, quality, maxWidth) {
- // 使用例子
- return compressImage(src, quality, maxWidth, function (blob) {
- // 创建一个新的图片URL
- const imageUrl = URL.createObjectURL(blob);
- // 可以在这里使用imageUrl，比如设置为img元素的src
- // document.getElementById('your-image-element').src = imageUrl;
- // 当不需要这个URL的时候，释放它
- URL.revokeObjectURL(imageUrl);
- });
+ // 使用例子
+ return compressImage(src, quality, maxWidth, function (blob) {
+ // 创建一个新的图片URL
+ const imageUrl = URL.createObjectURL(blob)
+ // 可以在这里使用imageUrl，比如设置为img元素的src
+ // document.getElementById('your-image-element').src = imageUrl;
+ // 当不需要这个URL的时候，释放它
+ URL.revokeObjectURL(imageUrl)
+ })
}
--
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