} // 'ARGB'
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x19);
if (!header.AsciiEqual("ARGBSaveData1\0") || header[0x10] != 3)
{
return(null);
}
const uint image_offset = 0x19;
uint image_size = header.ToUInt32(0x11);
uint mask_size = header.ToUInt32(0x15);
using (var jpeg = OpenStreamRegion(file, image_offset, image_size))
{
var info = Jpeg.ReadMetaData(jpeg);
if (null == info)
{
return(null);
}
return(new ArgbMetaData {
Width = info.Width,
Height = info.Height,
BPP = 32,
ImageOffset = image_offset,
ImageLength = image_size,
MaskLength = mask_size,
});
}
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
if ((file.Signature & 0xFFFFFF) != 0xFDFF00)
{
return(null);
}
using (var jpeg = OpenAsJpeg(file))
return(Jpeg.ReadMetaData(jpeg));
}
public override ImageMetaData ReadMetaData(IBinaryStream stream)
{
var header = stream.ReadHeader(2);
if (header[0] != 0 || header[1] != 0x93)
{
return(null);
}
using (var jpg = OpenEncrypted(stream))
return(Jpeg.ReadMetaData(jpg));
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
int type = file.ReadByte();
if (type != 3)
{
return(null);
}
uint width = file.ReadUInt16();
uint height = file.ReadUInt16();
if (0 == width || width > 0x8000 || 0 == height || height > 0x8000)
{
return(null);
}
using (var jpeg = OpenJpegStream(file))
return(Jpeg.ReadMetaData(jpeg));
}
public override ImageMetaData ReadMetaData(IBinaryStream stream)
{
using (var input = OpenEncrypted(stream, true))
return(Jpeg.ReadMetaData(input));
}