/// <summary>
/// Initializes a new instance of the <see cref="GifDecoder"/> class.
/// </summary>
/// <param name="image">The image to decode.</param>
public GifDecoder(Gif image)
{
this.image = image;
this.ActiveFrameIndex = 0;
if (ImageAnimator.CanAnimate(image))
{
this.IsAnimated = true;
this.FrameCount = image.Image.GetFrameCount(FrameDimension.Time);
const int LoopCount = (int)ExifPropertyTag.LoopCount;
const int FrameDelay = (int)ExifPropertyTag.FrameDelay;
// Loop info is stored at byte 20737. Default to infinite loop if not found.
this.LoopCount = Array.IndexOf(image.Image.PropertyIdList, LoopCount) != -1
? BitConverter.ToInt16(image.Image.GetPropertyItem(LoopCount).Value, 0)
: 0;
// Get the times stored in the gif. Default to 0 if not found.
if (Array.IndexOf(this.image.Image.PropertyIdList, FrameDelay) != -1)
{
this.times = this.image.Image.GetPropertyItem(FrameDelay).Value;
}
}
else
{
this.FrameCount = 1;
}
}
/// <summary>
/// Loads an iamge using the standard method.
/// </summary>
/// <param name="path">The path to the file.</param>
protected void LoadSafe(string path)
{
if (string.IsNullOrEmpty(path))
{
return;
}
Clear();
this.Image = IMAGE.StandardLoad(path);
}
/// <summary>
/// Loads a BMP image and returns it as a bitmap object.
/// </summary>
/// <param name="path">The path of the image.</param>
/// <returns>A <see cref="Bitmap"/> object.</returns>
public static Bitmap FromFileAsBitmap(string path)
{
try
{
return(IMAGE.StandardLoad(path));
}
catch (Exception ex)
{
throw new Exception(ex.Message + "\r\nIn BMP.FromFileAsBitmap(string)");
}
}
/// <summary>
/// Loads a ICO image and returns it as a bitmap object.
/// </summary>
/// <param name="path">The path of the image.</param>
/// <returns>A <see cref="Bitmap"/> object.</returns>
public static Bitmap FromFileAsBitmap(string path)
{
try
{
Bitmap bmp = IMAGE.StandardLoad(path);
ImageHelper.RotateImageByExifOrientationData(bmp);
return(bmp);
}
catch (Exception ex)
{
throw new Exception(ex.Message + "\r\nIn ICO.FromFileAsBitmap(string)");
}
}