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perf: 优化图片显示

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Pang 2023-12-30 13:08:53 +08:00
parent 63703a029f
commit a543f8716b
1 changed files with 24 additions and 6 deletions
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30
resources/assets/js/functions/web.js vendored
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@ -675,11 +675,25 @@ import {MarkdownPreview} from "../store/markdown";
* @returns {*}
*/
getMsgTextPreview(text, imgClassName = null) {
if (!text) return '';
if (!text) {
return '';
}
//
text = text.replace(/<img\s+class="emoticon"[^>]*?alt="(\S+)"[^>]*?>/g, "[$1]")
text = text.replace(/<img\s+class="emoticon"[^>]*?>/g, `[${$A.L('动画表情')}]`)
if (imgClassName) {
text = text.replace(/<img\s+class="browse"[^>]*?src="(\S+)"[^>]*?>/g, `[image:$1]`)
text = text.replace(/<img\s+class="browse"[^>]*?src="(\S+)"[^>]*?>/g, function (res, src) {
const widthMatch = res.match("width=\"(\\d+)\""),
heightMatch = res.match("height=\"(\\d+)\"");
if (widthMatch && heightMatch) {
const width = parseInt(widthMatch[1]),
height = parseInt(heightMatch[1]),
maxSize = 40;
const scale = $A.scaleToScale(width, height, maxSize, maxSize);
imgClassName = `${imgClassName}" style="width:${scale.width}px;height:${scale.height}px`
}
return `[image:${src}]`
})
} else {
text = text.replace(/<img\s+class="browse"[^>]*?>/g, `[${$A.L('图片')}]`)
}
@ -770,11 +784,11 @@ import {MarkdownPreview} from "../store/markdown";
if (widthMatch && heightMatch) {
const width = parseInt(widthMatch[1]),
height = parseInt(heightMatch[1]),
maxSize = res.indexOf("emoticon") > -1 ? 150 : 220;
maxSize = res.indexOf("emoticon") > -1 ? 150 : 220; // 跟css中的设置一致
const scale = $A.scaleToScale(width, height, maxSize, maxSize);
const value = res
.replace(widthReg, `original-width="${width}" width="${scale.width}"`)
.replace(heightReg, `original-height="${height}" height="${scale.height}"`)
.replace(widthReg, `original-width="${width}"`)
.replace(heightReg, `original-height="${height}" style="width:${scale.width}px;height:${scale.height}px"`)
text = text.replace(res, value)
} else {
text = text.replace(res, `<div class="no-size-image-box">${res}</div>`);
@ -835,7 +849,11 @@ import {MarkdownPreview} from "../store/markdown";
case 'file':
if (data.msg.type == 'img') {
if (imgClassName) {
return `<img class="${imgClassName}" src="${data.msg.thumb}">`
const width = parseInt(data.msg.width),
height = parseInt(data.msg.height),
maxSize = 40;
const scale = $A.scaleToScale(width, height, maxSize, maxSize);
return `<img class="${imgClassName}" style="width:${scale.width}px;height:${scale.height}px" src="${data.msg.thumb}">`
} else {
return `[${$A.L('图片')}]`
}