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IBinaryStream migration - continued.

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This commit is contained in:
morkt
2016-10-15 12:21:12 +04:00
parent 503b734645
commit d0c1d5da01
39 changed files with 529 additions and 574 deletions
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93
ArcFormats/Ivory/ImageMMD.cs
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@@ -47,78 +47,73 @@ namespace GameRes.Formats.Ivory
public override string Description { get { return "Ivory image format"; } }
public override uint Signature { get { return 0x1A444D4D; } } // 'MMD'
public override ImageMetaData ReadMetaData (Stream stream)
public override ImageMetaData ReadMetaData (IBinaryStream stream)
{
var header = new byte[0x18];
if (header.Length != stream.Read (header, 0, header.Length))
return null;
var header = stream.ReadHeader (0x18);
var info = new MmdMetaData
{
Width = LittleEndian.ToUInt16 (header, 4),
Height = LittleEndian.ToUInt16 (header, 6),
Width = header.ToUInt16 (4),
Height = header.ToUInt16 (6),
BPP = 8,
Size1 = LittleEndian.ToInt32 (header, 8),
Size2 = LittleEndian.ToInt32 (header, 0x0C),
Size3 = LittleEndian.ToInt32 (header, 0x10),
Colors = LittleEndian.ToInt32 (header, 0x14),
Size1 = header.ToInt32 (8),
Size2 = header.ToInt32 (0x0C),
Size3 = header.ToInt32 (0x10),
Colors = header.ToInt32 (0x14),
};
if (info.Size1 <= 0 || info.Size2 <= info.Size1 || info.Size3 <= 0)
return null;
return info;
}
public override ImageData Read (Stream stream, ImageMetaData info)
public override ImageData Read (IBinaryStream input, ImageMetaData info)
{
var meta = (MmdMetaData)info;
var pixels = new byte[info.Width * info.Height];
stream.Position = 0x18;
using (var input = new ArcView.Reader (stream))
input.Position = 0x18;
var buf1 = input.ReadBytes (meta.Size1);
var buf2 = input.ReadBytes (meta.Size2 - meta.Size1);
int w = (int)info.Width / 4;
var line = new byte[w];
int mask = 0x80;
int b1 = 0;
int b2 = 0;
int dst = 0;
for (int y = (int)info.Height; y > 0; --y)
{
var buf1 = input.ReadBytes (meta.Size1);
var buf2 = input.ReadBytes (meta.Size2 - meta.Size1);
int w = (int)info.Width / 4;
var line = new byte[w];
int mask = 0x80;
int b1 = 0;
int b2 = 0;
int dst = 0;
for (int y = (int)info.Height; y > 0; --y)
for (int x = 0; x < w; ++x)
{
for (int x = 0; x < w; ++x)
if (0 != (mask & buf1[b1]))
{
if (0 != (mask & buf1[b1]))
line[x] ^= buf2[b2++];
}
mask >>= 1;
if (0 == mask)
{
mask = 0x80;
++b1;
}
byte p = line[x];
int q = p >> 4;
for (int j = 0; j < 2; ++j)
{
if (0 != q)
{
line[x] ^= buf2[b2++];
int offset = ShiftTable[q + 16] + (int)info.Width * ShiftTable[q];
int src = dst - offset;
pixels[dst++] = pixels[src];
pixels[dst++] = pixels[src+1];
}
mask >>= 1;
if (0 == mask)
else
{
mask = 0x80;
++b1;
}
byte p = line[x];
int q = p >> 4;
for (int j = 0; j < 2; ++j)
{
if (0 != q)
{
int offset = ShiftTable[q + 16] + (int)info.Width * ShiftTable[q];
int src = dst - offset;
pixels[dst++] = pixels[src];
pixels[dst++] = pixels[src+1];
}
else
{
input.Read (pixels, dst, 2);
dst += 2;
}
q = p & 0xF;
input.Read (pixels, dst, 2);
dst += 2;
}
q = p & 0xF;
}
}
}
stream.Position = 0x18 + meta.Size2 + meta.Size3;
var palette = ReadPalette (stream, meta.Colors);
input.Position = 0x18 + meta.Size2 + meta.Size3;
var palette = ReadPalette (input.AsStream, meta.Colors);
return ImageData.Create (info, PixelFormats.Indexed8, palette, pixels);
}