VB.Net by API/System.Drawing.Imaging/EncoderParameter — различия между версиями

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м (1 версия)
 
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Текущая версия на 12:50, 26 мая 2010

New EncoderParameter

   
Imports System.Drawing
Imports System.Drawing.Drawing2D
Imports System.Windows.Forms
Imports System.Data
Imports System.Drawing.Imaging
public class MainClass
   public Shared Sub Main
        Dim imgCodecInfo As ImageCodecInfo = Nothing
        Dim encoder As Encoder = Nothing
        Dim encoderParam As EncoderParameter = Nothing
        Dim encoderParams As New EncoderParameters(3)
        Dim curBitmap As New Bitmap("yourfile.jpg")
        Dim mimeType As String = "image/tiff"
        Dim encoders() As ImageCodecInfo
        encoders = ImageCodecInfo.GetImageEncoders()
        Dim i As Integer
        While i < encoders.Length
            If encoders(i).MimeType = mimeType Then
                imgCodecInfo = encoders(i)
            End If
        End While " Set color depth to 24 pixels
        encoder = encoder.ColorDepth
        encoderParam = New EncoderParameter(encoder, CLng(EncoderValue.rupressionLZW))
        encoderParams.Param(0) = encoderParam
        encoder = encoder.rupression
        encoderParam = New EncoderParameter(encoder, CLng(EncoderValue.rupressionLZW))
        encoderParams.Param(1) = encoderParam
        encoder = encoder.Transformation
        encoderParam = New EncoderParameter(encoder, CLng(EncoderValue.TransformRotate180))
        encoderParams.Param(2) = encoderParam
        curBitmap.Save("newFile.tif", imgCodecInfo, encoderParams)
        curBitmap.Dispose()
   End Sub
End class