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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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16
ArcFormats/ExHibit/ImageGYU.cs
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@@ -185,7 +185,7 @@ namespace GameRes.Formats.ExHibit
{
m_input.Position = 0x24;
if (0 != m_info.PaletteSize)
Palette = ReadPalette (m_info.PaletteSize);
Palette = ImageFormat.ReadPalette (m_input, m_info.PaletteSize);
var packed = new byte[m_info.DataSize];
if (packed.Length != m_input.Read (packed, 0, packed.Length))
@@ -267,20 +267,6 @@ namespace GameRes.Formats.ExHibit
}
}
BitmapPalette ReadPalette (int colors)
{
var palette_data = new byte[colors*4];
if (palette_data.Length != m_input.Read (palette_data, 0, palette_data.Length))
throw new InvalidFormatException();
var palette = new Color[colors];
for (int i = 0; i < palette.Length; ++i)
{
int c = i * 4;
palette[i] = Color.FromRgb (palette_data[c+2], palette_data[c+1], palette_data[c]);
}
return new BitmapPalette (palette);
}
void ReadAlpha ()
{
int alpha_stride = (m_width + 3) & ~3;