public void CreateAnimatedGIFTest()
{
MemoryStream ms = new MemoryStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
// encoder.SetDelay(200);
encoder.SetFrameRate(5);
encoder.Start(ms);
for (char i = 'a'; i <= 'z'; i++)
{
Console.Write(i.ToString());
encoder.AddFrame(ThumbnailBitmap.GetBitmapFromText(i.ToString(), 48, 100, 200));
}
encoder.Finish();
Console.WriteLine();
}
public void ResizeAnimatedGIFTest()
{
string filename = Path.GetTempFileName();
Console.WriteLine("Creating: {0}", filename);
string resizedfilename = Path.GetTempFileName();
Console.WriteLine("Resizing: {0}", resizedfilename);
try
{
using (FileStream ms = File.OpenWrite(filename))
{
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
encoder.SetFrameRate(5);
encoder.Start(ms);
for (char i = 'a'; i <= 'e'; i++)
{
Console.Write(i.ToString());
encoder.AddFrame(ThumbnailBitmap.GetBitmapFromText(
i.ToString(), 48, 300, 200));
}
Console.WriteLine();
encoder.Finish();
ms.Flush();
}
using (FileStream ms = File.OpenRead(filename))
{
using (FileStream resizedms = File.OpenWrite(resizedfilename))
{
AnimatedGifEncoder.Resize(ms, resizedms, 200, 150, 100);
resizedms.Flush();
}
}
}
finally
{
if (File.Exists(filename))
{
File.Delete(filename);
}
if (File.Exists(resizedfilename))
{
File.Delete(resizedfilename);
}
}
}
public void ConsumeAnimatedGIFTest()
{
MemoryStream ms = new MemoryStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
// encoder.SetDelay(200);
encoder.SetFrameRate(5);
encoder.Start(ms);
for (char i = 'a'; i <= 'z'; i++)
{
Console.Write(i.ToString());
encoder.AddFrame(ThumbnailBitmap.GetBitmapFromText(i.ToString(), 48, 100, 200));
}
Console.WriteLine();
encoder.Finish();
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
GifDecoder decoder = new GifDecoder();
decoder.Read(ms);
Console.WriteLine("Frames: {0}", decoder.GetFrameCount());
Assert.AreEqual(26, decoder.GetFrameCount());
}
public void ResizeToThumbnailTest()
{
string filename = Path.GetTempFileName();
Console.WriteLine("Creating: {0}", filename);
try
{
MemoryStream ms = new MemoryStream();
AnimatedGifEncoder encoder = new AnimatedGifEncoder();
encoder.SetFrameRate(5);
encoder.Start(ms);
for (char i = 'a'; i <= 'e'; i++)
{
Console.Write(i.ToString());
encoder.AddFrame(ThumbnailBitmap.GetBitmapFromText(
i.ToString(), 48, 300, 200));
}
Console.WriteLine();
encoder.Finish();
ms.Flush();
ms.Seek(0, SeekOrigin.Begin);
ThumbnailBitmap bitmap = new ThumbnailBitmap(ms);
FileStream fs = File.Create(filename);
byte[] th = bitmap.Thumbnail;
fs.Write(th, 0, th.Length);
fs.Close();
}
finally
{
if (File.Exists(filename))
{
File.Delete(filename);
}
}
}
