private static BmpInfoHeader ParseBmpInfoHeader(byte[] bmpBytes)
{
var size = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0xE);
if (size != 40)
{
var debug = "error";
}
var colorsUsed = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x2E);
if (colorsUsed != 256)
{
var debug = "error";
}
var imageSize = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x22);
return(new BmpInfoHeader()
{
Size = size,
Width = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x12),
Height = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x16),
Planes = ByteIntConvertion.LoadUInt16FromBytes(bmpBytes, 0x1A),
BitPerPixel = ByteIntConvertion.LoadUInt16FromBytes(bmpBytes, 0x1C),
Compression = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x1E),
ImageSize = imageSize,
XpixelsPerM = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x26),
YpixelsPerM = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x2A),
ColorsUsed = colorsUsed,
ImportantColors = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x32),
});
}
private static BmpHeader ParseHeader(byte[] bmpBytes)
{
var valid = bmpBytes[0] == 'B' && bmpBytes[1] == 'M';
return(new BmpHeader()
{
Signature = ByteIntConvertion.LoadUInt16FromBytes(bmpBytes, 0),
FileSize = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x2),
Reserved = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0x6),
DataOffSet = ByteIntConvertion.LoadUInt32FromBytes(bmpBytes, 0xA)
});
}
public void UInt16Tests(byte[] input)
{
var uInt = ByteIntConvertion.LoadUInt16FromBytes(input, 0);
var outData = ByteIntConvertion.LoadBytesFromUInt16(uInt).ToArray();
Assert.IsTrue(input.Length == outData.Length);
for (var i = 0; i < input.Length; i++)
{
Assert.AreEqual(input[i], outData[i]);
}
}
