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updated formats.

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(ExeFile): limited support for 16-bit Windows executables.
(MbImageFormat): recognize 'MK' signature.
(XP3, VF, YPF): added common executable signature.
(PICT): improved parser.
(Macromedia): improved support, recognize archives within windows executables.
(SEEN): fixed decompression.
This commit is contained in:
morkt
2023-09-25 21:01:22 +04:00
parent bfd81f9ec4
commit 3c3f2013ef
16 changed files with 220 additions and 374 deletions
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40
ArcFormats/MAI/ImageMAI.cs
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@@ -50,7 +50,7 @@ namespace GameRes.Formats.MAI
public CmFormat ()
{
Extensions = new string[] { "cm" };
Extensions = new string[] { "cmp" };
}
public override void Write (Stream file, ImageData image)
@@ -60,24 +60,22 @@ namespace GameRes.Formats.MAI
public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
if ('C' != stream.ReadByte() || 'M' != stream.ReadByte())
var header = stream.ReadHeader (0x20);
if ('C' != header[0] || 'M' != header[1])
return null;
var header = stream.ReadBytes (0x1e);
if (header.Length != 0x1e)
if (1 != header[0x0E])
return null;
if (1 != header[0x0c])
return null;
uint size = LittleEndian.ToUInt32 (header, 0);
uint size = LittleEndian.ToUInt32 (header, 2);
if (size != stream.Length)
return null;
var info = new CmMetaData();
info.Width = LittleEndian.ToUInt16 (header, 4);
info.Height = LittleEndian.ToUInt16 (header, 6);
info.Colors = LittleEndian.ToUInt16 (header, 8);
info.BPP = header[0x0a];
info.IsCompressed = 0 != header[0x0b];
info.DataOffset = LittleEndian.ToUInt32 (header, 0x0e);
info.DataLength = LittleEndian.ToUInt32 (header, 0x12);
info.Width = LittleEndian.ToUInt16 (header, 6);
info.Height = LittleEndian.ToUInt16 (header, 8);
info.Colors = LittleEndian.ToUInt16 (header, 0x0A);
info.BPP = header[0x0C];
info.IsCompressed = 0 != header[0x0D];
info.DataOffset = LittleEndian.ToUInt32 (header, 0x10);
info.DataLength = LittleEndian.ToUInt32 (header, 0x14);
if (info.DataLength > size)
return null;
return info;
@@ -158,7 +156,7 @@ namespace GameRes.Formats.MAI
public AmFormat ()
{
Extensions = new string[] { "am", "ami" };
Extensions = new string[] { "amp", "ami" };
}
public override void Write (Stream file, ImageData image)
@@ -235,6 +233,8 @@ namespace GameRes.Formats.MAI
m_pixels = new byte[m_width*m_height*4];
}
static readonly Color Default8bppTransparencyColor = Color.FromRgb (0, 0xFE, 0);
public void Unpack ()
{
if (m_info.Colors > 0)
@@ -262,13 +262,23 @@ namespace GameRes.Formats.MAI
m_pixels[dst+3] = alpha;
};
else
{
const int alphaScale = 0x11;
var alphaColor = Color.FromRgb (0, 0xFE, 0);
copy_pixel = (src, dst, alpha) => {
var color = Palette.Colors[m_output[src]];
if (Default8bppTransparencyColor == color)
alpha = 0;
else if (0 == alpha)
alpha = 0xFF;
else
alpha *= alphaScale;
m_pixels[dst] = color.B;
m_pixels[dst+1] = color.G;
m_pixels[dst+2] = color.R;
m_pixels[dst+3] = alpha;
};
}
int src_stride = m_width * m_pixel_size;
for (int y = 0; y < m_height; ++y)
{