ScalePicture.rar

上传者: 43935474 | 上传时间: 2021-04-06 21:28:04 | 文件大小: 36KB | 文件类型: RAR
QT实现图片缩放的同时标记指定坐标,功能:1.显示图片的时候,需要画出红色的矩形标记图片中的指定坐标 2.缩放的时候,矩形标记大小不变 3.缩放及拖动图片的时候,矩形标记的中心始终在图片的指定坐标

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