本文整理汇总了VB.NET中System.Drawing.Image.Save方法的典型用法代码示例。如果您正苦于以下问题:VB.NET Image.Save方法的具体用法?VB.NET Image.Save怎么用?VB.NET Image.Save使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类<a href="https://vimsky.com/examples/detail/vbnet-class-system.drawing.image.html" System.Drawing.Image
的用法示例。
在下文中一共展示了Image.Save方法的3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,您的评价将有助于我们的系统推荐出更棒的VB.NET代码示例。
示例1: Example_SetJPEGQuality
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' 导入命名空间Imports System.DrawingImports System.Drawing.ImagingClass Example_SetJPEGQuality Public Shared Sub Main() Dim myBitmap As Bitmap Dim myImageCodecInfo As ImageCodecInfo Dim myEncoder As Encoder Dim myEncoderParameter As EncoderParameter Dim myEncoderParameters As EncoderParameters ' 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(ImageFormat.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, CType(25L, Int32)) 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, CType(50L, Int32)) 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, CType(75L, Int32)) myEncoderParameters.Param(0) = myEncoderParameter myBitmap.Save("Shapes075.jpg", myImageCodecInfo, myEncoderParameters) End Sub Private Shared Function GetEncoderInfo(ByVal format As ImageFormat) As ImageCodecInfo Dim j As Integer Dim encoders() As ImageCodecInfo encoders = ImageCodecInfo.GetImageEncoders() j = 0 While j < encoders.Length If encoders(j).FormatID = format.Guid Then Return encoders(j) End If j += 1 End While Return Nothing End Function 'GetEncoderInfoEnd Class
开发者ID:VB.NET开发者,项目名称:System.Drawing,代码行数:63,代码来源:Image.Save
示例2: ConstructFromResourceSaveAsGif
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Private Sub ConstructFromResourceSaveAsGif(ByVal e As PaintEventArgs) ' Construct a bitmap from the button image resource. Dim bmp1 As New Bitmap(GetType(Button), "Button.bmp") ' Save the image as a GIF. bmp1.Save("c:\button.gif", System.Drawing.Imaging.ImageFormat.Gif) ' Construct a new image from the GIF file. Dim bmp2 As New Bitmap("c:\button.gif") ' Draw the two images. e.Graphics.DrawImage(bmp1, New Point(10, 10)) e.Graphics.DrawImage(bmp2, New Point(10, 40)) ' Dispose of the image files. bmp1.Dispose() bmp2.Dispose()End Sub
开发者ID:VB.NET开发者,项目名称:System.Drawing,代码行数:19,代码来源:Image.Save
示例3: If
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Private Sub Button5_Click(ByVal sender As System.Object, _ ByVal e As System.EventArgs) Handles Button5.Click Try If (image1 IsNot Nothing) Then image1.Save("c:\myBitmap.bmp") Button5.Text = "Saved file." End If Catch ex As Exception MessageBox.Show("There was a problem saving the file." _ & "Check the file permissions.") End TryEnd Sub