private Bitmap LoadSpriteFileFromDisk(string fileName)
{
// We have to use this stream code because using "new Bitmap(filename)"
// keeps the file open until the Bitmap is disposed
FileStream fileStream = new FileStream(fileName, FileMode.Open, FileAccess.Read);
Bitmap loadedBmp = (Bitmap)Bitmap.FromStream(fileStream);
fileStream.Close();
// Unfortunately the Bitmap.Clone method will crash later due to
// a .NET bug when it's loaded from a stream. Therefore we need
// to make a fresh copy.
loadedBmp = Utilities.CreateCopyOfBitmapPreservingColourDepth(loadedBmp);
//Bitmap loadedBmp = new Bitmap(fileName);
if ((System.IO.Path.GetExtension(fileName).ToLower() == ".gif") &&
(loadedBmp.PixelFormat != PixelFormat.Format8bppIndexed))
{
// The .NET Bitmap class has a bug, whereby it will convert
// animated gifs to 32-bit when it loads them. This causes
// us an issue, so use the custom GifDecoder instead when
// this happens.
loadedBmp.Dispose();
GifDecoder decoder = new GifDecoder();
if (decoder.Read(fileName) != GifDecoder.STATUS_OK)
{
throw new AGS.Types.InvalidDataException("Unable to load GIF");
}
loadedBmp = decoder.GetFrame(0);
}
return loadedBmp;
}
private void ImportMultipleGIFFrames(string fileName)
{
try
{
GifDecoder decoder = new GifDecoder();
if (decoder.Read(fileName) != GifDecoder.STATUS_OK)
{
throw new AGS.Types.InvalidDataException("Unable to load GIF");
}
int frameCount = decoder.GetFrameCount();
for (int i = 0; i < frameCount; i++)
{
Bitmap bmp = decoder.GetFrame(i);
CreateSpriteForBitmap(bmp, true, false, false);
}
decoder.Dispose();
RefreshSpriteDisplay();
}
catch (Exception ex)
{
Factory.GUIController.ShowMessage("There was an error importing the file. The error message was: '" + ex.Message + "'. Please try again", MessageBoxIcon.Warning);
}
}