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Posted 1 Sep 2005
Licenced CPOL

NGif, Animated GIF Encoder for .NET

, 1 Sep 2005
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Create animated GIF images using C#.

Sample Image - NGif.gif

Introduction

Because .NET Framework can't create animated GIF images, NGif provides a way to create GIF animations in the .NET framework. It can create an animated GIF from several images and extract images from an animated GIF.

Using the code

/* create Gif */
//you should replace filepath
String [] imageFilePaths = new String[]{"c:\\01.png","c:\\02.png","c:\\03.png"}; 
String outputFilePath = "c:\\test.gif";
AnimatedGifEncoder e = new AnimatedGifEncoder();
e.Start( outputFilePath );
e.SetDelay(500);
//-1:no repeat,0:always repeat
e.SetRepeat(0);
for (int i = 0, count = imageFilePaths.Length; i < count; i++ ) 
{
 e.AddFrame( Image.FromFile( imageFilePaths[i] ) );
}
e.Finish();
/* extract Gif */
string outputPath = "c:\\";
GifDecoder gifDecoder = new GifDecoder();
gifDecoder.Read( "c:\\test.gif" );
for ( int i = 0, count = gifDecoder.GetFrameCount(); i < count; i++ ) 
{
 Image frame = gifDecoder.GetFrame( i ); // frame i
 frame.Save( outputPath + Guid.NewGuid().ToString() 
                       + ".png", ImageFormat.Png );
}

Points of Interest

Use Stream to replace BinaryWriter when you write a fixed-byte structured binary file.

History

  • 31 Aug 2005: Draft.

License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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Comments and Discussions

 
GeneralExcellent work! Pin
DigiOz Multimedia18-Jun-08 18:47
memberDigiOz Multimedia18-Jun-08 18:47 
QuestionThe gif be changed bigger? Pin
tintown_liu25-Dec-07 14:35
membertintown_liu25-Dec-07 14:35 
AnswerRe: The gif be changed bigger? Pin
Shobin Mathew9-Jul-08 18:45
memberShobin Mathew9-Jul-08 18:45 
Generalits important [modified] Pin
ganesh154-Nov-07 20:18
memberganesh154-Nov-07 20:18 
GeneralRe: its important Pin
Shobin Mathew9-Jul-08 18:41
memberShobin Mathew9-Jul-08 18:41 
GeneralBug fixed Pin
chuanchu13-Aug-07 15:23
memberchuanchu13-Aug-07 15:23 
GeneralRe: Bug fixed Pin
Adnan8365-Oct-07 0:34
memberAdnan8365-Oct-07 0:34 
GeneralRe: Bug fixed Pin
cmhienng27-Nov-07 21:33
membercmhienng27-Nov-07 21:33 
Could you please send me your latest copy of this project? I'm in great need of it now, thanks a lot~
My e-mail is cmhienng1983@hotmail.com Smile | :)

cmhienng
GeneralRe: Bug fixed Pin
xzhang19-Mar-09 8:11
memberxzhang19-Mar-09 8:11 
GeneralTransparency Not Working Pin
Jim Hunt15-Jun-07 8:21
memberJim Hunt15-Jun-07 8:21 
GeneralRe: Transparency Not Working Pin
chuanchu13-Aug-07 15:10
memberchuanchu13-Aug-07 15:10 
GeneralRe: Transparency Not Working Pin
Adnan8365-Oct-07 1:28
memberAdnan8365-Oct-07 1:28 
GeneralRe: Transparency Not Working Pin
xftan20-Oct-07 10:38
memberxftan20-Oct-07 10:38 
GeneralRe: Transparency Not Working Pin
Shobin Mathew10-Jul-08 3:06
memberShobin Mathew10-Jul-08 3:06 
GeneralRe: Transparency Not Working Pin
Equinox SE30 Jota26-Oct-11 15:24
memberEquinox SE30 Jota26-Oct-11 15:24 
GeneralRe: Transparency Not Working Pin
Chase Viking4-Jun-13 5:01
memberChase Viking4-Jun-13 5:01 
GeneralRe: Transparency Not Working Pin
Member 946120618-Sep-13 0:25
memberMember 946120618-Sep-13 0:25 
GeneralBug? Net CF Pin
Hoar Wu31-May-07 15:55
memberHoar Wu31-May-07 15:55 
GeneralRe: Bug? Net CF Pin
chuanchu13-Aug-07 15:12
memberchuanchu13-Aug-07 15:12 
GeneralRe: Bug? Net CF Pin
nixkuroi7-Jun-14 14:44
membernixkuroi7-Jun-14 14:44 
QuestionHas anybody been able to optimize this code? Pin
SubodhShakya23-Apr-07 20:50
memberSubodhShakya23-Apr-07 20:50 
AnswerRe: Has anybody been able to optimize this code? Pin
Ephoy9-May-07 1:29
memberEphoy9-May-07 1:29 
GeneralRe: Has anybody been able to optimize this code? Pin
kitkatrobins24-Sep-07 3:32
memberkitkatrobins24-Sep-07 3:32 
QuestionRe: Has anybody been able to optimize this code? Pin
Ephoy14-Oct-07 7:22
memberEphoy14-Oct-07 7:22 
AnswerRe: Has anybody been able to optimize this code? Pin
kitkatrobins14-Oct-07 23:04
memberkitkatrobins14-Oct-07 23:04 

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