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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                [TOC] ## 概述 - QPixmap使用底層平臺的繪制系統進行繪制,無法提供像素級別的操作 - 而QImage則是使用獨立于硬件的繪制系統,實際上是自己繪制自己,因此提供了像素級別的操作,并且能夠在不同系統之上提供一個一致的顯示形式。 >[warning] 注意:如果 QImage 無法加載 jpeg,png 則需要在 Qt/plugins/imageformats 拷貝到 Debug或release 下 ## 實例 ### simlpe ``` void Label::paintEvent(QPaintEvent *event) { setGeometry(0,0,200,200); QPainter painter(this); QImage img(":/1.jpeg"); painter.drawImage(QRect(0,0,100,100),img); } ```
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