Pengolahan Citra Lanjutan

Tugas Pengolahan Citra

Tampilan gambar rotate 90

                                                              Tampilan gambar rotate 270



Programnya :

Public Class Form1
    Dim gambar As Bitmap
    Private Sub OpenCitraToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles OpenCitraToolStripMenuItem.Click
        OFD.Filter = "BMP|*.bmp|JPG|*.Jpg"
        OFD.ShowDialog()

        If OFD.FileName = "" Then Exit Sub
        Pic1.Image = Image.FromFile(OFD.FileName)
        gambar = New Bitmap(Pic1.Image)
    End Sub

    Private Sub SaveCitraToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles SaveCitraToolStripMenuItem.Click
        SFD.Filter = "JPG|*.Jpg|BMP|*.bmp"
        SFD.ShowDialog()

        If SFD.FileName = "" Then Exit Sub
        If SFD.FilterIndex = 1 Then
            gambar.Save(SFD.FileName, System.Drawing.Imaging.ImageFormat.Jpeg)
        End If
        If SFD.FilterIndex = 2 Then
            gambar.Save(SFD.FileName, System.Drawing.Imaging.ImageFormat.Bmp)
        End If
    End Sub

    Private Sub GrayscaleToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles GrayscaleToolStripMenuItem.Click
        Dim Pb, Pc As Integer
        Dim Rt, vM, vH, vB As Double
        With gambar
            For Pb = 0 To .Height - 1
                For Pc = 0 To .Width - 1
                    vM = .GetPixel(Pc, Pb).R
                    vH = .GetPixel(Pc, Pb).G
                    vB = .GetPixel(Pc, Pb).B
                    Rt = (vM + vH + vB) / 3
                    .SetPixel(Pc, Pb, Color.FromArgb(Rt, Rt, Rt))
                Next
                Pic2.Image = gambar
                Pic2.Refresh()
            Next
        End With
    End Sub

    Private Sub NegatifToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles NegatifToolStripMenuItem.Click
        Dim Pb, Pc As Integer
        Dim vM, vH, vB As Double
        With gambar
            For Pb = 0 To .Height - 1
                For Pc = 0 To .Width - 1
                    vM = 255 - .GetPixel(Pc, Pb).R
                    vH = 255 - .GetPixel(Pc, Pb).G
                    vB = 255 - .GetPixel(Pc, Pb).B
                    If vM <= 0 Then vM = 0
                    If vB <= 0 Then vB = 0
                    If vH <= 0 Then vH = 0
                    .SetPixel(Pc, Pb, Color.FromArgb(vM, vH, vB))
                Next
                Pic2.Image = gambar
                Pic2.Refresh()
            Next
        End With
    End Sub

    Private Sub BrigthnessToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BrigthnessToolStripMenuItem.Click
        Dim Pb, Pc As Integer
        Dim vM, vH, vB As Double
        With gambar
            For Pb = 0 To .Height - 1
                For Pc = 0 To .Width - 1
                    vM = .GetPixel(Pc, Pb).R + 5
                    vB = .GetPixel(Pc, Pb).G + 5
                    vH = .GetPixel(Pc, Pb).B + 5
                    If vM > 255 Then vM = 255
                    If vB > 255 Then vB = 255
                    If vH > 255 Then vH = 255
                    .SetPixel(Pc, Pb, Color.FromArgb(vM, vH, vB))
                Next
                Pic2.Image = gambar
                Pic2.Refresh()
            Next
        End With
    End Sub

    Private Sub DefaultGambarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles DefaultGambarToolStripMenuItem.Click
        gambar = New Bitmap(Pic1.Image)
    End Sub

    Private Sub BinerToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles BinerToolStripMenuItem.Click
        Dim Pb, Pc As Integer
        Dim rata, vM, vH, vB As Double
        With gambar
            For Pb = 0 To .Height - 1
                For Pc = 0 To .Width - 1
                    vM = .GetPixel(Pc, Pb).R
                    vH = .GetPixel(Pc, Pb).G
                    vB = .GetPixel(Pc, Pb).B
                    rata = (vM + vH + vB) / 3
                    If (rata < 128) Then
                        vM = 0
                        vH = 0
                        vB = 0
                    Else
                        vM = 255
                        vH = 255
                        vB = 255
                    End If
                    .SetPixel(Pc, Pb, Color.FromArgb(vM, vH, vB))
                Next
                Pic2.Image = gambar
                Pic2.Refresh()
            Next
        End With
    End Sub

    Private Sub RotateToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles RotateToolStripMenuItem.Click

    End Sub

    Private Sub KeluarToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles KeluarToolStripMenuItem.Click
        End
    End Sub

    Private Sub ToolStripToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStripToolStripMenuItem.Click
        Dim gambar2 = New Bitmap(Pic2.Image)
        gambar2 = New Bitmap(Pic2.Image)
        gambar2.RotateFlip(RotateFlipType.Rotate270FlipY)
        Pic2.Image = Gambar2
    End Sub

    Private Sub ToolStrip2ToolStripMenuItem_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles ToolStrip2ToolStripMenuItem.Click
        Dim gambar2 = New Bitmap(Pic2.Image)
        gambar2 = New Bitmap(Pic2.Image)
        gambar2.RotateFlip(RotateFlipType.Rotate90FlipY)
        Pic2.Image = gambar2
    End Sub
End Class

Yuk! Belajar Pemrograman Visual Basic dot Net Di Mesran.Net

 Latihan Listview Perhitungan Penjualan Barang

Public Class Form1
    Sub buatTabel()
        lv.Columns.Add("No pembeli", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Kode Barang", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Nama Barang", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Merk", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Harga", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Jumlah Beli", 150, HorizontalAlignment.Center)
        lv.Columns.Add("Total Harga", 150, HorizontalAlignment.Center)
        LV.View = View.Details
        LV.GridLines = True
        LV.FullRowSelect = True
    End Sub
    Sub IsiTabel()
        Dim Lst As New ListViewItem
        Lst.Text = Np.Text
        Lst.SubItems.Add(kb.Text)
        Lst.SubItems.Add(nb.Text)
        Lst.SubItems.Add(merk.Text)
        Lst.SubItems.Add(harga.Text)
        Lst.SubItems.Add(jb.Text)
        Lst.SubItems.Add(TH.Text)
        LV.Items.Add(Lst)
    End Sub
    Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load
        buatTabel()
        kb.Items.Add("KG008")
        kb.Items.Add("HP004")
        kb.Items.Add("VG004")
    End Sub

    Private Sub kb_SelectedIndexChanged(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles kb.SelectedIndexChanged
        If kb.Text = "KG008" Then
            merk.Text = "kingston"
            nb.Text = " flashdisk 8gb"
        ElseIf kb.Text = "HP004" Then
            merk.Text = "v-gen"
            nb.Text = "flashdisk 4gb"
        ElseIf kb.Text = "VG004" Then
            merk.Text = " toshiba"
            nb.Text = "flashdisk 2gb"
        End If
    End Sub

    Private Sub btnproses_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnproses.Click
        TH.Text = harga.Text * jb.Text
    End Sub

    Private Sub btnsimpn_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnsimpn.Click
        IsiTabel()
        Np.Text = ""
        kb.Text = ""
        nb.Text = ""
        merk.Text = ""
        harga.Text = ""
        jb.Text = ""
        TH.Text = ""
    End Sub

    Private Sub btnhapus_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnhapus.Click
        lv.Items.Clear()
    End Sub

    Private Sub btnkeluar_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnkeluar.Click
        Me.Close()
    End Sub

    Private Sub btnclear_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnclear.Click
        Np.Text = ""
        kb.Text = ""
        nb.Text = ""
        merk.Text = ""
        harga.Text = ""
        jb.Text = ""
        TH.Text = ""
    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        lv.Items.Remove(lv.SelectedItems(0))
    End Sub
End Class


Demikianlah postingan Saya
NAMA : Nanda Maisyarah
NPM    : 1111708



Selamat Pemrograman VB NET