Bit operation with PixelFormat.Alpha : Bitmap « 2D Graphics « C# / C Sharp

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C# / C Sharp » 2D Graphics » BitmapScreenshots 
Bit operation with PixelFormat.Alpha
  
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;

using System.Text;
using System.Windows.Forms;

public class MainClass {

    public static void Main() {
        // Create two new bitmap images
        Bitmap bmp1 = new Bitmap(100100, PixelFormat.Format32bppArgb);
        Bitmap bmp2 = new Bitmap(100100, PixelFormat.Format24bppRgb);

        // Test for alpha 
        bool b1 = ((bmp1.PixelFormat & PixelFormat.Alpha!= 0);
        bool b2 = ((bmp2.PixelFormat & PixelFormat.Alpha!= 0);

        // Output results to console window
        Console.WriteLine("bmp1 has alpha?: " + b1);
        Console.WriteLine("bmp2 has alpha?: " + b2);

        // Clean up
        bmp1.Dispose();
        bmp2.Dispose();
    }
}

   
  
Related examples in the same category
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4.Create Graphics object From Image
5.Bitmap.SetResolution
6.Bitmap property: Height, Physical Dimension, width, raw format and sizeBitmap property: Height, Physical Dimension, width, raw format and size
7.Create your own BitMapCreate your own BitMap
8.Draw shapes to the bitmap in memoryDraw shapes to the bitmap in memory
9.new Bitmap(bitmap, size)
10.Read Bitmap Size by using BinaryReader
11.Bitmap.HorizontalResolution
12.Use a color matrix to change the color properties of the image
13.Create a Bitmap image in memory and set its CompositingMode
14.Create a red color with an alpha component then draw a red circle to the bitmap in memory
15.Create a green color with an alpha component then draw a green rectangle to the bitmap in memory
16.write the pixel information to the console window
17.Double buffer with Bitmap
18.Draw an array of imagesDraw an array of images
19.PixelFormat.DontCare
20.Scale Bitmap By Percent
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