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(Csystem): another image format.

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This commit is contained in:
morkt 2017-03-26 04:06:44 +04:00
parent 2ee030aa84
commit 9610424516
1 changed files with 35 additions and 1 deletions
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36
ArcFormats/Cyberworks/ImageTINK.cs
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@ -111,8 +111,10 @@ namespace GameRes.Formats.Cyberworks
else
UnpackV6 (bits_size, data_offset, data_offset + header[6]);
}
else if (0 == bits_size)
CopyV0 (unpacked_size);
else
throw new InvalidFormatException();
UnpackV1 (bits_size, unpacked_size);
}
void CopyV0 (int data_size)
@ -152,6 +154,38 @@ namespace GameRes.Formats.Cyberworks
}
}
void UnpackV1 (int alpha_size, int rgb_size)
{
var alpha_map = m_input.ReadBytes (alpha_size);
if (alpha_map.Length != alpha_size)
throw new InvalidFormatException();
Info.BPP = 32;
int plane_size = (int)Info.Width * (int)Info.Height;
m_output = new byte[plane_size * 4];
int bit = 1;
int bit_src = 0;
int dst = 0;
for (int i = 0; i < plane_size; ++i)
{
if ((bit & alpha_map[bit_src]) != 0)
{
m_input.Read (m_output, dst, 3);
m_output[dst+3] = 0xFF;
}
else
m_output[dst+3] = 0;
dst += 4;
if (0x80 == bit)
{
++bit_src;
bit = 1;
}
else
bit <<= 1;
}
}
void UnpackV2 (int offset1, int rgb_offset)
{
Info.BPP = 24;