protected HgReader(Stream input, HgMetaData info)
{
m_input = new ArcView.Reader(input);
m_info = info;
m_pixel_size = m_info.BPP / 8;
Stride = (int)m_info.Width * m_pixel_size;
}
protected HgReader(IBinaryStream input, HgMetaData info)
{
m_input = input;
m_info = info;
m_pixel_size = m_info.BPP / 8;
Stride = (int)m_info.Width * m_pixel_size;
}
public override IImageDecoder OpenImage(ArcFile arc, Entry entry)
{
var offset = entry.Offset + 8;
var info = new HgMetaData
{
HeaderSize = arc.File.View.ReadUInt32(offset),
Width = arc.File.View.ReadUInt32(offset + 8),
Height = arc.File.View.ReadUInt32(offset + 0xC),
BPP = arc.File.View.ReadInt32(offset + 0x10),
OffsetX = arc.File.View.ReadInt32(offset + 0x14),
OffsetY = arc.File.View.ReadInt32(offset + 0x18),
CanvasWidth = arc.File.View.ReadUInt32(offset + 0x1C),
CanvasHeight = arc.File.View.ReadUInt32(offset + 0x20),
};
var input = arc.File.CreateStream(entry.Offset, entry.Size);
return(new Hg3Reader(input, info));
}
public override Stream OpenEntry(ArcFile arc, Entry entry)
{
// emulate TGA image
var offset = entry.Offset + 8;
var info = new HgMetaData
{
HeaderSize = arc.File.View.ReadUInt32(offset),
Width = arc.File.View.ReadUInt32(offset + 8),
Height = arc.File.View.ReadUInt32(offset + 0xC),
BPP = arc.File.View.ReadInt32(offset + 0x10),
OffsetX = arc.File.View.ReadInt32(offset + 0x14),
OffsetY = arc.File.View.ReadInt32(offset + 0x18),
CanvasWidth = arc.File.View.ReadUInt32(offset + 0x1C),
CanvasHeight = arc.File.View.ReadUInt32(offset + 0x20),
};
using (var input = arc.File.CreateStream(entry.Offset, entry.Size))
using (var reader = new Hg3Reader(input, info))
{
var pixels = reader.Unpack();
return(TgaStream.Create(info, pixels, reader.Flipped));
}
}
public Hg3Reader(Stream input, HgMetaData info) : base(input, info)
{
}