Resize Image : Image « 2D Graphics « C# / C Sharp

1. C# / C Sharp
2. 2D Graphics
3. Image

Resize Image

       
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Drawing;

namespace Phaeton.Helpers.ImageUtilities
{
    public static class ImageExtensions
    {
        public static void SetResizedImage(this Image image, Image sourceImage)
        {
            GraphicsUnit sourceUnit = GraphicsUnit.Pixel;
            GraphicsUnit destinationUnit = GraphicsUnit.Pixel;
            Graphics.FromImage(image).DrawImage(sourceImage, image.GetBounds(ref destinationUnit),
                sourceImage.GetBounds(ref sourceUnit), GraphicsUnit.Pixel);
        }

        public static Image ResizeDownToHeight(this Image image, int height)
        {
            if (image.Height <= height)
            {
                return image;
            }

            Image resizedImage = new Bitmap(height * image.Width / image.Height, height);
            resizedImage.SetResizedImage(image);            

            return resizedImage;
        }

        public static Image ResizeDownToWidth(this Image image, int width)
        {
            if (image.Width <= width)
            {
                return image;
            }

            Image resizedImage = new Bitmap(width, width * image.Height / image.Width);

            resizedImage.SetResizedImage(image);

            return resizedImage;
        }
    }
}

   
    
    
    
    
    
    
  

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