请问vb.net2015的裁剪图片的程序要怎么写?
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解决时间 2021-01-08 00:34
- 提问者网友:一抹荒凉废墟
- 2021-01-06 23:39
请问vb.net2015的裁剪图片的程序要怎么写?
最佳答案
- 二级知识专家网友:神的生死簿
- 2021-01-07 00:18
用位图对象的Clone 方法就可以获取图片某个区域成一个新的位图对象,下面例子:
Private Sub Form1_Click(sender As Object, e As EventArgs) Handles Me.Click
Dim img As New Bitmap("d:15.jpg")
Dim rc As Rectangle = New Rectangle(500, 500, 600, 600) '起点和长宽
Dim newImg As Bitmap = img.Clone(rc, Imaging.PixelFormat.Format32bppArgb)
Me.CreateGraphics.DrawImage(newImg, 0, 0)
End Sub
Private Sub Form1_Click(sender As Object, e As EventArgs) Handles Me.Click
Dim img As New Bitmap("d:15.jpg")
Dim rc As Rectangle = New Rectangle(500, 500, 600, 600) '起点和长宽
Dim newImg As Bitmap = img.Clone(rc, Imaging.PixelFormat.Format32bppArgb)
Me.CreateGraphics.DrawImage(newImg, 0, 0)
End Sub
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