本文整理汇总了C#中System.Drawing.Imaging.Encoder.Quality字段的典型用法代码示例。如果您正苦于以下问题：C# Encoder.Quality字段的具体用法？C# Encoder.Quality怎么用？C# Encoder.Quality使用的例子？那么恭喜您, 这里精选的字段代码示例或许可以为您提供帮助。
在下文中一共展示了Encoder.Quality字段的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: Main
//引入命名空间
using System;
using System.Drawing;
using System.Drawing.Imaging;
class Example_SetJPEGQuality
{
public static void Main()
{
Bitmap myBitmap;
ImageCodecInfo myImageCodecInfo;
Encoder myEncoder;
EncoderParameter myEncoderParameter;
EncoderParameters myEncoderParameters;
// Create a Bitmap object based on a BMP file.
myBitmap = new Bitmap("Shapes.bmp");
// Get an ImageCodecInfo object that represents the JPEG codec.
myImageCodecInfo = GetEncoderInfo("image/jpeg");
// Create an Encoder object based on the GUID
// for the Quality parameter category.
myEncoder = Encoder.Quality;
// Create an EncoderParameters object.
// An EncoderParameters object has an array of EncoderParameter
// objects. In this case, there is only one
// EncoderParameter object in the array.
myEncoderParameters = new EncoderParameters(1);
// Save the bitmap as a JPEG file with quality level 25.
myEncoderParameter = new EncoderParameter(myEncoder, 25L);
myEncoderParameters.Param[0] = myEncoderParameter;
myBitmap.Save("Shapes025.jpg", myImageCodecInfo, myEncoderParameters);
// Save the bitmap as a JPEG file with quality level 50.
myEncoderParameter = new EncoderParameter(myEncoder, 50L);
myEncoderParameters.Param[0] = myEncoderParameter;
myBitmap.Save("Shapes050.jpg", myImageCodecInfo, myEncoderParameters);
// Save the bitmap as a JPEG file with quality level 75.
myEncoderParameter = new EncoderParameter(myEncoder, 75L);
myEncoderParameters.Param[0] = myEncoderParameter;
myBitmap.Save("Shapes075.jpg", myImageCodecInfo, myEncoderParameters);
}
private static ImageCodecInfo GetEncoderInfo(String mimeType)
{
int j;
ImageCodecInfo[] encoders;
encoders = ImageCodecInfo.GetImageEncoders();
for(j = 0; j < encoders.Length; ++j)
{
if(encoders[j].MimeType == mimeType)
return encoders[j];
}
return null;
}
}