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(DetBmpFormat): recognize 8bpp images.

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This commit is contained in:
morkt 2018-07-06 15:37:30 +04:00
parent c5e90110be
commit 6be591d1d0
1 changed files with 19 additions and 8 deletions
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27
ArcFormats/uGOS/ImageBMP.cs
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@ -46,7 +46,7 @@ namespace GameRes.Formats.uGOS
public DetBmpFormat ()
{
Extensions = new string[] { "bmp" };
Signatures = new uint[] { 0x206546, 0x186546, 0x01186446, 0x186446, 0 };
Signatures = new uint[] { 0x206546, 0x186546, 0x086546, 0x01186446, 0x186446, 0 };
}
public override ImageMetaData ReadMetaData (IBinaryStream stream)
@ -58,7 +58,7 @@ namespace GameRes.Formats.uGOS
if (type != 'D' && type != 'E')
return null;
int bpp = header[2];
if (bpp != 0x18 && bpp != 0x20)
if (bpp != 8 && bpp != 0x18 && bpp != 0x20)
return null;
return new DetBmpMetaData
{
@ -253,16 +253,27 @@ namespace GameRes.Formats.uGOS
dst = 3;
while (dst < m_output.Length)
{
byte alpha = sub_415530(8);
int count = sub_415440() + 1;
while (count > 0)
byte alpha = ReadBits (8);
int count = ReadCount() + 1;
while (count --> 0)
{
m_output[dst] = alpha;
dst += 4;
--count;
}
}
}
else if (8 == m_bpp)
{
var pixels = new byte[m_width * m_height];
dst = 0;
for (int src = 0; src < m_output.Length; src += 4)
{
pixels[dst++] = m_output[src];
}
m_output = pixels;
Format = PixelFormats.Gray8;
Stride = m_width;
}
}
int ReadNext ()
@ -297,7 +308,7 @@ namespace GameRes.Formats.uGOS
return (int)(m_bits >> 8);
}
byte sub_415530 (int a3)
byte ReadBits (int a3)
{
m_bits &= 0xFF;
int v4 = byte_4CBA80[m_bits];
@ -327,7 +338,7 @@ namespace GameRes.Formats.uGOS
return (byte)alpha;
}
int sub_415440 ()
int ReadCount ()
{
m_bits &= 0xFF;
int v2 = (int)m_bits;