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56fb3ade00
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8090d679b4
| Author | SHA1 | Date | |
|---|---|---|---|
| 8090d679b4 | |||
| 4965d6c40e |
@@ -138,11 +138,8 @@ export default forwardRef(({ id, from, detail, userInfo }, ref) => {
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}
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}
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useShareAppMessage(async (res) => {
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await changeMessageType();
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await ensureUserInfo();
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const url = await generateShareImageUrl();
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// console.log(res, "res");
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useShareAppMessage(async () => {
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const url = shareImageUrl || (await generateShareImageUrl());
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return {
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title: detail.title,
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imageUrl: url,
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@@ -115,16 +115,25 @@ function with_cache_bust(url: string): string {
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// 工具函数 - OffscreenCanvas 下加载图片(使用 offscreen.createImage)
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const loadImage = (src: string): Promise<any> => {
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return new Promise((resolve, reject) => {
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let timer: ReturnType<typeof setTimeout> | null = null
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try {
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const off = runtime.offscreen
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if (!off || typeof off.createImage !== 'function') {
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throw new Error('OffscreenCanvas 未初始化或不支持 createImage')
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}
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const img = off.createImage()
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img.onload = () => resolve(img)
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img.onerror = reject
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timer = setTimeout(() => reject(new Error(`图片加载超时: ${src}`)), 8000)
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img.onload = () => {
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if (timer) clearTimeout(timer)
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resolve(img)
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}
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img.onerror = (e: any) => {
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if (timer) clearTimeout(timer)
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reject(e)
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}
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img.src = with_cache_bust(src)
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} catch (e) {
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if (timer) clearTimeout(timer)
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reject(e)
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}
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})
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@@ -413,7 +422,7 @@ const drawShareCard = async (ctx: any, data: ShareCardData, offscreen: any): Pro
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ctx.restore()
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} catch (error) {
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// 如果头像加载失败,绘制默认头像
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ctx.setFillStyle('#CCCCCC')
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ctx.fillStyle = '#CCCCCC'
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ctx.beginPath()
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ctx.arc(avatarX + avatarSize / 2, avatarY + avatarSize / 2, avatarSize / 2, 0, 2 * Math.PI)
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ctx.fill()
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@@ -594,10 +603,12 @@ export async function generateShareImage(data: ShareCardData): Promise<string> {
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// 记录到 runtime(供 loadImage 使用)
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runtime.offscreen = offscreen
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isDrawing = true
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try {
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const imagePath = await drawShareCard(ctx, data, offscreen)
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isDrawing = false
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return imagePath
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} finally {
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isDrawing = false
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}
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}
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export default generateShareImage
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