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(CFP): implemented REB2 images.

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This commit is contained in:
morkt 2018-02-16 19:44:20 +04:00
parent c68a04586b
commit a249a664d3
1 changed files with 65 additions and 2 deletions
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67
ArcFormats/Tail/ImageCFP.cs
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@ -48,12 +48,13 @@ namespace GameRes.Formats.Tail
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
file.Position = 0x1C;
int stride = ((int)info.Width * 3 + 3) & -4;
int width = ((int)info.Width + 1) & -2;
int height = (int)info.Height;
int total = width * height;
var input = file.ReadBytes (total * 3);
int packed_size = total * 3;
file.Position = file.Length - packed_size;
var input = file.ReadBytes (packed_size);
var pixels = new byte[stride*height];
int src1 = 0;
int src2 = total / 2;
@ -83,4 +84,66 @@ namespace GameRes.Formats.Tail
throw new System.NotImplementedException ("CfpFormat.Write not implemented");
}
}
internal class CfpMetaData : ImageMetaData
{
public int DataOffset;
}
[Export(typeof(ImageFormat))]
public class Cfp2Format : ImageFormat
{
public override string Tag { get { return "CFP/REB2"; } }
public override string Description { get { return "Tail transparent bitmap"; } }
public override uint Signature { get { return 0x32424552; } } // 'REB2'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (0x20);
int start_pos = header.ToInt32 (0x10);
int extra_length = header.ToInt32 (0x1C);
if (start_pos < 0x36)
return null;
return new CfpMetaData {
Width = header.ToUInt32 (0x14),
Height = header.ToUInt32 (0x18),
BPP = 32,
DataOffset = 0x20 + extra_length,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var meta = (CfpMetaData)info;
int width = (int)meta.Width;
int height = (int)meta.Height;
int stride = width * 4;
int total = width * height;
int packed_size = total * 4;
file.Position = meta.DataOffset;
var pixels = new byte[stride*height];
var input = file.ReadBytes (packed_size);
int b = 0;
int g = total;
int r = total * 2;
int a = total * 3;
for (int dst_row = stride * (height - 1); dst_row >= 0; dst_row -= stride)
{
int dst = dst_row;
for (int x = 0; x < width; ++x)
{
pixels[dst++] = input[b++];
pixels[dst++] = input[g++];
pixels[dst++] = input[r++];
pixels[dst++] = input[a++];
}
}
return ImageData.Create (info, PixelFormats.Bgra32, null, pixels, stride);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("Cfp2Format.Write not implemented");
}
}
}