AdjustContrast

DjvuImage.AdjustContrast method

Image对比

public override void AdjustContrast(float contrast)

范围	类型	描述
contrast	Single	对比度值（范围 [-100; 100]）

例子

以下示例执行 DJVU 图像的对比度校正。

[C#]

string dir = "c:\\temp\\";

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.djvu"))
{
    Aspose.Imaging.FileFormats.Djvu.DjvuImage djvuImage = (Aspose.Imaging.FileFormats.Djvu.DjvuImage)image;

    // 设置对比度值。可接受的对比度值在 [-100f, 100f] 范围内。
    djvuImage.AdjustContrast(50f);
    djvuImage.Save(dir + "sample.AdjustContrast.png", new Aspose.Imaging.ImageOptions.PngOptions());
}

也可以看看

class DjvuImage
命名空间 Aspose.Imaging.FileFormats.Djvu
部件 Aspose.Imaging

AdjustBrightness AdjustGamma