/// <summary>
/// 根据sg所描述的位置、大小和倍率, 读取一个区域
/// </summary>
/// <param name="sg"></param>
/// <returns></returns>
public byte[] LoadRegionBMP(SceneGeometry sg)
{
Helper.InitBgraHeader(imgBmpBuf, (int)sg.OutW, (int)sg.OutH);
slide.DangerousReadRegion(sg.L, (int)sg.X, (int)sg.Y, (int)sg.OutW, (int)sg.OutH, ref imgBmpBuf[Helper.BMP_BGRA_DATA_OFFSET]);
return(imgBmpBuf);
}
/// <summary>
/// 根据sg所描述的位置、大小和倍率, 读取一个区域
/// </summary>
/// <param name="view"></param>
/// <returns></returns>
public byte[] LoadRegionBMP(Viewport view)
{
Helper.InitBgraHeader(imgBmpBuf, (int)view.OutW, (int)view.OutH);
img.DangerousReadRegion(view.L, (int)view.X, (int)view.Y, (int)view.OutW, (int)view.OutH, ref imgBmpBuf[Helper.BMP_BGRA_DATA_OFFSET]);
return(imgBmpBuf);
}