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implemented old GD format.

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This commit is contained in:
morkt 2018-01-18 07:18:03 +04:00
parent 880f2189f5
commit 4e45160237
1 changed files with 38 additions and 2 deletions
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40
ArcFormats/C4/ImageGD.cs
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@ -74,8 +74,7 @@ namespace GameRes.Formats.C4
{
var reader = new GdReader (file, (GdMetaData)info);
var pixels = reader.Unpack();
int stride = 3 * (int)info.Width;
return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, stride);
return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, reader.Stride);
}
public override void Write (Stream file, ImageData image)
@ -84,12 +83,49 @@ namespace GameRes.Formats.C4
}
}
[Export(typeof(ImageFormat))]
public class XexGdFormat : ImageFormat
{
public override string Tag { get { return "GD/XEX"; } }
public override string Description { get { return "Complets XEX engine image format"; } }
public override uint Signature { get { return 0; } }
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
if (!file.Name.HasExtension (".GD"))
return null;
var header = file.ReadHeader (2);
int compression = header[0];
if (compression != 'l' && compression != 'p' || header[1] != 0x1A)
return null;
return new GdMetaData {
Width = 640, Height = 480, BPP = 24,
Compression = compression,
DataOffset = 2,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new GdReader (file, (GdMetaData)info);
var pixels = reader.Unpack();
return ImageData.CreateFlipped (info, PixelFormats.Bgr24, null, pixels, reader.Stride);
}
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("XexGdFormat.Write not implemented");
}
}
internal sealed class GdReader
{
IBinaryStream m_input;
GdMetaData m_info;
byte[] m_output;
public int Stride { get { return (int)m_info.Width * 3; } }
public GdReader (IBinaryStream input, GdMetaData info)
{
m_input = input;