“tourner l'image sous n'importe quel angle vb.net” Réponses codées

tourner l'image sous n'importe quel angle vb.net

Public Class Form1

    Dim wiggle As Bitmap
    Dim tim As Timer

    Sub MoveWiggle(sender As Object, e As EventArgs)
        Static rot As Integer = 0
        Panel1.Refresh()

        Using g = Panel1.CreateGraphics()
            Using fnt As New Font("Consolas", 12), brsh As New SolidBrush(Color.Red)
                ' the text will not be rotated or translated
                g.DrawString($"{rot}°", fnt, brsh, New Point(10, 10))
            End Using
            ' the image will be rotated and translated
            g.TranslateTransform(100, 100)
            g.RotateTransform(CSng(rot))
            g.DrawImage(wiggle, -80, 0)
        End Using

        rot = (rot + 10) Mod 360

    End Sub

    Private Sub bnPause_Click(sender As Object, e As EventArgs) Handles bnPause.Click
        Static isPaused As Boolean = False
        If isPaused Then
            tim.Start()
            bnPause.Text = "Pause"
        Else
            tim.Stop()
            bnPause.Text = "Start"
        End If

        isPaused = Not isPaused

    End Sub

    Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
        wiggle = New Bitmap("C:\temp\path3494.png")
        wiggle.SetResolution(96, 96) ' my image had a strange resolution
        tim = New Timer With {.Interval = 50}
        AddHandler tim.Tick, AddressOf MoveWiggle
        tim.Start()

    End Sub

    Private Sub Form1_Closing(sender As Object, e As EventArgs) Handles MyBase.Closing
        RemoveHandler tim.Tick, AddressOf MoveWiggle
        tim.Dispose()
        wiggle.Dispose()

    End Sub

End Class