Draw to a Bitmap object and save it as a image file : Bitmap « 2D « VB.Net

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VB.Net » 2D » BitmapScreenshots 
Draw to a Bitmap object and save it as a image file

Imports System
Imports System.Windows.Forms
Imports System.Collections.Generic
Imports System.ComponentModel
Imports System.Drawing.Imaging
Imports System.Drawing

Public Class MainClass

   Shared Sub Main()
        Dim bm As New Bitmap(256256)

        ' Draw on it.
        Dim gr As Graphics = Graphics.FromImage(bm)
        gr.Clear(Color.White)
        gr.DrawEllipse(Pens.Red, 00, bm.Width - 1, bm.Height - 1)
        gr.DrawLine(Pens.Green, 00, bm.Width - 1, bm.Height - 1)
        gr.DrawLine(Pens.Blue, bm.Width - 100, bm.Height - 1)

        ' Save the result as a JPEG file.
        bm.Save("test.gif", ImageFormat.Gif)
   End Sub 

End Class



           
       
Related examples in the same category
1. Manipulate Bitmap ColorManipulate Bitmap Color
2. Output Color Palette for a BitmapOutput Color Palette for a Bitmap
3. Bitmap Information: Width, Height, Vertical Resolution, Pixel Format, Physical DimensionBitmap Information: Width, Height, Vertical Resolution, Pixel Format, Physical Dimension
4. Load an Image from file and draw on the loaded imageLoad an Image from file and draw on the loaded image
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