The returned rectangle is in physical screen coordinates.
返回的矩形使用的是物理屏幕坐标。
The coordinate system must therefore be mapped from logical Cartesian coordinates to physical screen coordinates.
因此，坐标系统需要从逻辑坐标系转换到物理坐标系上去。
Device coordinates are the coordinates used by the physical device being drawn on, such as a screen or sheet of paper.
设备坐标系是在其上进行绘制的物理设备(如屏幕或纸张)所使用的坐标系。
Device coordinates are the coordinates used by the physical device being drawn on, such as a screen or a printer.
设备坐标系是在其上进行绘制的物理设备(如屏幕或打印机)所使用的坐标系。
Device coordinates are the coordinates used by the physical device being drawn on, such as a screen or a printer.
设备坐标系是在其上进行绘制的物理设备(如屏幕或打印机)所使用的坐标系。
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