BwConversionMode

TiffOptions.BwConversionMode 属性

指定将彩色图像转换为黑白图像的算法。该选项仅在 CompressionType 设置为 CCITT4 或 CCITT3 时应用。读/写 BlackWhiteConversionMode。默认值为 Default。

public BlackWhiteConversionMode BwConversionMode { get; set; }

示例

[C#]
TiffOptions tiffOptions = new TiffOptions();
tiffOptions.CompressionType = TiffCompressionTypes.CCITT4
tiffOptions.BwConversionMode = BlackWhiteConversionMode.Dithering;

using (var presentation = new Presentation())
{
    presentation.Save(tiffFilePath, SaveFormat.Tiff, tiffOptions);
}

[Visual Basic]
Dim tiffOptions As New TiffOptions()
tiffOptions.CompressionType = TiffCompressionTypes.CCITT4
tiffOptions.BwConversionMode = BlackWhiteConversionMode.Dithering

Using presentation As New Presentation()
    presentation.Save(tiffFilePath, SaveFormat.Tiff, tiffOptions)
End Using

另见

TiffOptions CompressionType