/// <summary>
/// 打开一张扫描切片
/// </summary>
/// <param name="path"></param>
/// <param name="info">输出. 封装了切片信息</param>
/// <returns>切片的宽高 (slideW, slideH) </returns>
public void Open(string path, object info)
{
if (!(info is SceneGeometry))
{
throw new InvalidOperationException("Info is not MapGeometry type.");
}
if (OpenSlideImage.DetectFormat(path) == null)
{
throw new InvalidOperationException($"<<{path}>> is NOT a digital slide!");
}
slide = OpenSlideImage.Open(path);
SceneGeometry sg = info as SceneGeometry;
sg.Init();
sg.SlideW = (int)slide.Width;
sg.SlideH = (int)slide.Height;
sg.L = 0;
sg.X = sg.SlideW / 2;
sg.Y = sg.SlideH / 2;
sg.NumL = slide.LevelCount;
for (int i = 0; i < sg.NumL; ++i)
{
sg.SetDensityAtLevel(i, slide.GetLevelDownsample(i));
}
thumbJpgBuf = slide.GetThumbnailAsJpeg(1024, 90);
}
public void TestDetectFormat(string fileName, string format)
{
Assert.Equal(format, OpenSlideImage.DetectFormat(fileName));
}