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(IImageDecoder): moved to separate file.

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This commit is contained in:
morkt
2016-10-26 05:08:12 +04:00
parent 4901c2f1d3
commit d02a9b180a
3 changed files with 140 additions and 66 deletions
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66
GameRes/Image.cs
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@@ -186,70 +186,4 @@ namespace GameRes
public static ImageFormat Bmp { get { return s_BmpFormat.Value; } }
public static ImageFormat Tga { get { return s_TgaFormat.Value; } }
}
public interface IImageDecoder : IDisposable
{
Stream Input { get; }
/// <summary>
/// Underlying image format or null if image is not represented by any format.
/// </summary>
ImageFormat Format { get; }
/// <summary>
/// Image parameters.
/// </summary>
ImageMetaData Info { get; }
/// <summary>
/// Decoded image data.
/// </summary>
ImageData Image { get; }
}
public sealed class ImageStreamDecoder : IImageDecoder
{
IBinaryStream m_file;
ImageFormat m_format;
ImageMetaData m_info;
ImageData m_image;
public Stream Input { get { m_file.Position = 0; return m_file.AsStream; } }
public ImageFormat Format { get { return m_format; } }
public ImageMetaData Info { get { return m_info; } }
public ImageData Image
{
get
{
if (null == m_image)
{
m_file.Position = 0;
m_image = m_format.Read (m_file, m_info);
}
return m_image;
}
}
public ImageStreamDecoder (IBinaryStream file)
{
m_file = file;
var format = ImageFormat.FindFormat (file);
if (null == format)
throw new InvalidFormatException();
m_format = format.Item1;
m_info = format.Item2;
}
bool m_disposed = false;
public void Dispose ()
{
if (!m_disposed)
{
m_file.Dispose();
m_disposed = true;
}
}
}
}