Re: Image Resizer in C#

ervipingupta — Mon, 06 Jul 2009 05:37:30 GMT

Hi friend,

Can you told me how i resize the animated image without lost its frams and animation.Previously you send me some links but this was not helpful for me .so , can you told em that how i resize the animated image .

Thanks in Advance

Vipin

Re: Image Resizer in C#

ervipingupta — Wed, 01 Jul 2009 06:55:17 GMT

Hi, Can you told me how i resize the Animated image in C# without lost any frames of animated image if you have any code fro doing this , then share with me or suggest me how i acheive this

Regards

vipin

Re: Image Resizer in C#

ervipingupta — Fri, 26 Jun 2009 05:16:24 GMT

Hi Friend,

My problem is not resolve for resize a animated image .can you have any code for doing this.These links is not helpful for me that you send me for animated image resize .

please Help me

Thanks in advance

Vipin

Re: Image Resizer in C#

ervipingupta — Thu, 25 Jun 2009 12:24:39 GMT

Hi Friend,

http://www.codeproject.com/KB/web-image/pnguploader.aspx

Thanks for the reply ,i got the link that you send me for image resizer and it work well. but i have still one problem if i am use this code for Animated gif image then it will not work and only one frame is resize and animation is destroyed. how can i use this code for animated image and resize the Animated gif image ans also i want to resize image in bulk .can you send me anything that helpful for me

Thanks in Advance again

Vipin

Image Resizer in C#

ervipingupta — Wed, 24 Jun 2009 12:42:00 GMT

Hello Friends ,

i wanna make image resizer that resize image automatiically.but my code only make rectangle and it will make only sizes 200x200,300x300,100x100 in thin manner. I also want to make Image in square like 100x80,80x200,200x120,300x128 like this . but my coed make only Rectangle image but i want to make square image also .can anyone know about my problem how i resolve .

Below is my Code:

imageResize.cs

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.IO;
using System.Drawing.Drawing2D;

namespace Testweb
{
public class imageResize
    {
        public static byte[] ResizeFromByteArray(int MaxSideSize,Byte[] byteArrayIn, string fileName)
        {

            byte[] byteArray = null; // really make this an error gif
            MemoryStream ms = new MemoryStream(byteArrayIn);
            byteArray = imageResize.ResizeFromStream(MaxSideSize,ms,fileName);

            return byteArray;
        }

     public static byte[] ResizeFromStream(int MaxSideSize,Stream Buffer, string fileName)
        {
            byte[] byteArray = null; // really make this an error gif

            try
            {
                Bitmap bitMap = new Bitmap(Buffer);
                int intOldWidth = bitMap.Width;
                int intOldHeight = bitMap.Height;

                int intNewWidth;
                int intNewHeight;
                int intMaxSide;

                if (intOldWidth >= intOldHeight)
                {
                    intMaxSide = intOldWidth;
                }
                else
                {
                    intMaxSide = intOldHeight;
                }

                if (intMaxSide > MaxSideSize)
                {
               //set new width and height
                    double dblCoef = MaxSideSize / (double)intMaxSide;
                    intNewWidth = Convert.ToInt32(dblCoef * intOldWidth);
                    intNewHeight = Convert.ToInt32(dblCoef * intOldHeight);
            }
            else
            {

                    intNewWidth = intOldWidth;
                    intNewHeight = intOldHeight;
                }

                Size ThumbNailSize = new Size(intNewWidth, intNewHeight);
                System.Drawing.Image oImg = System.Drawing.Image.FromStream(Buffer);
                System.Drawing.Image oThumbNail = new Bitmap (ThumbNailSize.Width, ThumbNailSize.Height);
                Graphics oGraphic = Graphics.FromImage(oThumbNail);
                oGraphic.CompositingQuality = CompositingQuality.HighQuality;
                oGraphic.SmoothingMode = SmoothingMode.HighQuality;
                oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
                Rectangle oRectangle = new Rectangle
                    (0, 0, ThumbNailSize.Width, ThumbNailSize.Height);

                oGraphic.DrawImage(oImg, oRectangle);

                MemoryStream ms = new MemoryStream();
                oThumbNail.Save(ms, ImageFormat.Jpeg);
                byteArray = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));
                oGraphic.Dispose();
                oImg.Dispose();
                ms.Close();
                ms.Dispose();
            }
            catch (Exception)
            {
                int newSize = MaxSideSize-20;
                Bitmap bitMap = new Bitmap(newSize, newSize);
                Graphics g = Graphics.FromImage(bitMap);
                g.FillRectangle(new SolidBrush(Color.Gray), new Rectangle(0,0, newSize, newSize));

                Font font = new Font("Courier", 8);
                SolidBrush solidBrush = new SolidBrush(Color.Red);
                g.DrawString("Failed File", font, solidBrush, 10, 5);
                g.DrawString(fileName, font, solidBrush, 10, 50);

                MemoryStream ms = new MemoryStream();
                bitMap.Save(ms, ImageFormat.Jpeg);
                byteArray = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));

                ms.Close();
                ms.Dispose();
                bitMap.Dispose();
                solidBrush.Dispose();
                g.Dispose();
                font.Dispose();

            }
            return byteArray;
        }

        /// <summary>
        /// Saves the resized image to specified file name and path as JPEG
        /// and also returns the bytearray for any other use you may need it for
        /// </summary>
        /// <param name="MaxSideSize"></param>
        /// <param name="Buffer"></param>
        /// <param name="fileName">No Extension</param>
        /// <param name="filePath">Examples: "images/dir1/dir2" or "images" or "images/dir1"</param>

        public static byte[] SaveFromStream(int MaxSideSize, Stream Buffer, string fileName, string filePath)
        {
            byte[] byteArray = null; // really make this an error gif

            try
            {
                Bitmap bitMap = new Bitmap(Buffer);
                int intOldWidth = bitMap.Width;
                int intOldHeight = bitMap.Height;

                int intNewWidth;
                int intNewHeight;
                int intMaxSide;

                if (intOldWidth >= intOldHeight)
                {
                    intMaxSide = intOldWidth;
                }
                else
                {
                    intMaxSide = intOldHeight;
                }

                if (intMaxSide > MaxSideSize)
                {
                    //set new width and height
                    double dblCoef = MaxSideSize / (double)intMaxSide;
                    intNewWidth = Convert.ToInt32(dblCoef * intOldWidth);
                    intNewHeight = Convert.ToInt32(dblCoef * intOldHeight);
                }
                else
                {
                    intNewWidth = intOldWidth;
                    intNewHeight = intOldHeight;
                }

                Size ThumbNailSize = new Size(intNewWidth, intNewHeight);
                System.Drawing.Image oImg = System.Drawing.Image.FromStream(Buffer);
                System.Drawing.Image oThumbNail = new Bitmap(ThumbNailSize.Width, ThumbNailSize.Height);

                Graphics oGraphic = Graphics.FromImage(oThumbNail);
                oGraphic.CompositingQuality = CompositingQuality.HighQuality;
                oGraphic.SmoothingMode = SmoothingMode.HighQuality;
                oGraphic.InterpolationMode = InterpolationMode.HighQualityBicubic;
                Rectangle oRectangle = new Rectangle
                    (0, 0, ThumbNailSize.Width, ThumbNailSize.Height);

                oGraphic.DrawImage(oImg, oRectangle);

                //Save File
                string newFileName = string.Format(System.Web.HttpContext.Current.Server.MapPath("~/{0}*{1}.jpg"), filePath, fileName);
                oThumbNail.Save(newFileName, ImageFormat.Jpeg);

                MemoryStream ms = new MemoryStream();
                oThumbNail.Save(ms, ImageFormat.Jpeg);
                byteArray = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));

                oGraphic.Dispose();
                oImg.Dispose();
                ms.Close();
                ms.Dispose();
            }
            catch (Exception)
            {
                int newSize = MaxSideSize - 20;
                Bitmap bitMap = new Bitmap(newSize, newSize);
                Graphics g = Graphics.FromImage(bitMap);
                g.FillRectangle(new SolidBrush(Color.Gray), new Rectangle(0, 0, newSize, newSize));

                Font font = new Font("Courier", 8);
                SolidBrush solidBrush = new SolidBrush(Color.Red);
                g.DrawString("Failed To Save File or Failed File", font, solidBrush, 10, 5);
                g.DrawString(fileName, font, solidBrush, 10, 50);

                MemoryStream ms = new MemoryStream();
                bitMap.Save(ms, ImageFormat.Jpeg);
                byteArray = new byte[ms.Length];
                ms.Position = 0;
                ms.Read(byteArray, 0, Convert.ToInt32(ms.Length));

                ms.Close();
                ms.Dispose();
                bitMap.Dispose();
                solidBrush.Dispose();
                g.Dispose();
                font.Dispose();

            }
            return byteArray;
        }
    }
}

Default.aspx

byte[] imgNew;

imgNew = imageResize.ResizeFromStream(110, FileUpload1.PostedFile.InputStream, FileUpload1.PostedFile.FileName);

            Response.BinaryWrite(imgNew);
            byte[] imgNewSave;
            imgNewSave = imageResize.SaveFromStream(110, FileUpload1.PostedFile.InputStream, "newPicFromResize", "images");

Please help , it is urgent .

Thanx in Advance

Vipin

System.Drawing/GDI+

Re: Image Resizer in C#

Re: Image Resizer in C#

Re: Image Resizer in C#

Re: Image Resizer in C#

Re: Image Resizer in C#

Re: Image Resizer in C#

Image Resizer in C#