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INTERFACE GAMBAS
LOGICIELS GAMBAS 3
TUTORIELS
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Manipuler les images - Dessiner des petits carrés alléatoires
Dessiner des petits carrés dans une draw area
Voici une petite application pour apprendre à dessiner des carrés dans une drawarea. Ces carrés produisent un code inexploitable par et pour ce que vous savez et n'est là qu'à titre de démonstration. Il n'y a aucun codage , seulement une génération alléatoire. Voici le code de l'application : Private z As Integer = 5 Public Sub Button1_Click() DrawingArea1.Clear() DrawingArea1.Refresh End Public Sub DrawingArea1_Draw() qr corner(1, 1) corner(58, 1) corner(1, 58) mire(30, 5) 'top mire(30, 30) 'center mire(30, 56) 'bottom mire(5, 30) 'left mire(56, 30) 'right mire(56, 56) 'right End Private Sub corner(mx As Integer, my As Integer) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.White Draw.FillColor = Color.White draw.FillStyle = Fill.Solid Draw.Rect(mx * z - z, my * z - z, 9 * z, 9 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.Black Draw.FillColor = Color.Black draw.FillStyle = Fill.Solid Draw.Rect(mx * z, my * z, 7 * z, 7 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.White Draw.FillColor = Color.White draw.FillStyle = Fill.Solid Draw.Rect(mx * z + z, my * z + z, 5 * z, 5 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.Black Draw.FillColor = Color.Black draw.FillStyle = Fill.Solid Draw.Rect(mx * z + 2 * z, (my * z) + 2 * z, 3 * z, 3 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 End Private Sub mire(mx As Integer, my As Integer) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.Black Draw.FillColor = Color.Black draw.FillStyle = Fill.Solid Draw.Rect(mx * z, my * z, 5 * z, 5 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.White Draw.FillColor = Color.White draw.FillStyle = Fill.Solid Draw.Rect(mx * z + z, my * z + z, 3 * z, 3 * z) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.Black Draw.FillColor = Color.Black draw.FillStyle = Fill.Solid Draw.Rect(mx * z + 2 * z, (my * z) + 2 * z, z, z) Draw.LineStyle = 1 Draw.LineWidth = 1 End Private Sub qr() Dim a As Integer Dim b As Integer Dim c As Integer For a = 1 To 64 For b = 1 To 64 c = Rnd(0, 2.1) If c < 0.5 Then Pblack(a, b) Endif If c > 0.5 Then Pwhite(a, b) Endif Next Next End Private Sub Pblack(mx As Integer, my As Integer) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.Black Draw.FillColor = Color.Black draw.FillStyle = Fill.Solid Draw.Rect(mx * z, my * z, z, z) Draw.LineStyle = 1 Draw.LineWidth = 1 End Private Sub Pwhite(mx As Integer, my As Integer) Draw.LineStyle = 1 Draw.LineWidth = 1 Draw.foreground = Color.white Draw.FillColor = Color.white draw.FillStyle = Fill.Solid Draw.Rect(mx * z, my * z, z, z) Draw.LineStyle = 1 Draw.LineWidth = 1 End Public Sub Timer1_Timer() DrawingArea1.Clear() DrawingArea1.Refresh End Public Sub Button2_Click() Timer1.Start() End Public Sub Button3_Click() Timer1.Stop() End Vous remarqurez que depuis gambas 3.5, le dessin se fait directement dans l'évènement draw de la drawarea. merci pour votre attention Date de création : 06/02/2022 @ 00:27 Réactions à cet article
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