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(ImageFormat.ReadPalette): new static methods.

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Generalized image palette deserializations.
This commit is contained in:
morkt
2017-01-14 16:27:11 +04:00
parent 832a1a3ff0
commit 13cf289bae
25 changed files with 87 additions and 331 deletions
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22
ArcFormats/Ivory/ImageMMD.cs
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@@ -113,7 +113,7 @@ namespace GameRes.Formats.Ivory
}
}
input.Position = 0x18 + meta.Size2 + meta.Size3;
var palette = ReadPalette (input.AsStream, meta.Colors);
var palette = ReadPalette (input.AsStream, Math.Min (0x100, meta.Colors), PaletteFormat.Rgb);
return ImageData.Create (info, PixelFormats.Indexed8, palette, pixels);
}
@@ -122,26 +122,6 @@ namespace GameRes.Formats.Ivory
0, 2, 4, 8, 0, 2, 0, 2, 4, 0, 2, 4, 0, 2, 4, 0,
};
BitmapPalette ReadPalette (Stream input, int colors)
{
int palette_size = colors * 3;
var palette_data = new byte[Math.Max (palette_size, 0x300)];
if (palette_size != input.Read (palette_data, 0, palette_size))
throw new EndOfStreamException();
var palette = new Color[0x100];
if (colors > 0x100)
colors = 0x100;
int src = 0;
for (int i = 0; i < palette.Length; ++i)
{
byte r = palette_data[src++];
byte g = palette_data[src++];
byte b = palette_data[src++];
palette[i] = Color.FromRgb (r, g, b);
}
return new BitmapPalette (palette);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("MmdFormat.Write not implemented");