RasterImage.AdjustContrast

RasterImage.AdjustContrast method

图像对比度。

public virtual void AdjustContrast(float contrast)

参数	类型	描述
contrast	单精度	对比度值（范围为 [-100; 100]）

示例

以下示例对图像执行对比度校正。

[C#]

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

using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.png"))
{
    Aspose.Imaging.RasterImage rasterImage = (Aspose.Imaging.RasterImage)image;

    // 设置对比度值。对比度的接受范围为 [-100f, 100f]。
    rasterImage.AdjustContrast(50);
    rasterImage.Save(dir + "sample.AdjustContrast.png");
}

另请参见

• class RasterImage
• namespace Aspose.Imaging
• assembly Aspose.Imaging