Scale Bitmap By Percent : Bitmap « 2D Graphics « C# / C Sharp

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C# / C Sharp » 2D Graphics » Bitmap Screenshots  Scale Bitmap By Percent   //Octavalent Extension Methods //http://sdfasdf.codeplex.com/ //Library of extension methods for .Net create by Octavalent (www.octavalent.nl) #region using System.Drawing.Drawing2D; using System.Drawing.Imaging; #endregion namespace System.Drawing.OctavalentExtensions {     public static class BitmapExtensions     {         public static Bitmap ScaleByPercent(this Bitmap imgPhoto, int Percent)         {             float nPercent = ((float) Percent/100);             int sourceWidth = imgPhoto.Width;             int sourceHeight = imgPhoto.Height;             var destWidth = (int) (sourceWidth*nPercent);             var destHeight = (int) (sourceHeight*nPercent);             var bmPhoto = new Bitmap(destWidth, destHeight,                                      PixelFormat.Format24bppRgb);             bmPhoto.SetResolution(imgPhoto.HorizontalResolution,                                   imgPhoto.VerticalResolution);             Graphics grPhoto = Graphics.FromImage(bmPhoto);             grPhoto.InterpolationMode = InterpolationMode.HighQualityBicubic;             grPhoto.DrawImage(imgPhoto,                               new Rectangle(0, 0, destWidth, destHeight),                               new Rectangle(0, 0, sourceWidth, sourceHeight),                               GraphicsUnit.Pixel);             grPhoto.Dispose();             return bmPhoto;         }     } }        Related examples in the same category 1. Draw on an Bitmap 2. Resize the Bitmap using the lowest quality interpolation mode 3. Resize the Bitmap using the highest quality interpolation mode 4. Create Graphics object From Image 5. Bitmap.SetResolution 6. Bitmap property: Height, Physical Dimension, width, raw format and size 7. Create your own BitMap 8. Draw 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 images 19. Bit operation with PixelFormat.Alpha 20. PixelFormat.DontCare