| 39 | self.NetImages[url] = [QByteArray(), 1] |
| 40 | |
| 41 | def loadResource(self, rtype, url): |
| 42 | ret = super(TextBrowser, self).loadResource(rtype, url) |
| 43 | # 加载图片资源 |
| 44 | if rtype == QTextDocument.ImageResource: |
| 45 | if ret: |
| 46 | return ret |
| 47 | if url.toString().startswith('irony'): # 自定义的协议头 |
| 48 | print('加载本地', '../Donate/zhifubao.png', url) |
| 49 | return QImage( |
| 50 | '../Donate/zhifubao.png') # 或者 QByteArray(open('../Donate/zhifubao.png', 'rb').read()) |
| 51 | elif url.toString().startswith('http'): # 加载网络图片 |
| 52 | img, status = self.NetImages.get(url, [None, None]) |
| 53 | if url not in self.NetImages or status is None: |
| 54 | # 子线程下载 |
| 55 | self.NetImages[url] = [None, 1] |
| 56 | print('download ', url) |
| 57 | Thread(target=self.downloadImage, args=(url,), daemon=True).start() |
| 58 | elif img: |
| 59 | return img |
| 60 | return ret |
| 61 | |
| 62 | def mouseDoubleClickEvent(self, event): |
| 63 | # 双击图片得到图片的URL，也可以用来放大显示 |