public bool TryParseJFIF(byte[] data)
{
FluxJpeg.Core.IO.BinaryReader binaryReader = new FluxJpeg.Core.IO.BinaryReader(new MemoryStream(data));
int num = data.Length + 2;
if (num < JFIF_FIXED_LENGTH)
{
return(false);
}
byte[] array = new byte[5];
binaryReader.Read(array, 0, array.Length);
if (array[0] != 74 || array[1] != 70 || array[2] != 73 || array[3] != 70 || array[4] != 0)
{
return(false);
}
majorVersion = binaryReader.ReadByte();
minorVersion = binaryReader.ReadByte();
if (majorVersion != 1 || (majorVersion == 1 && minorVersion > 2))
{
return(false);
}
Units = (UnitType)binaryReader.ReadByte();
if (Units != 0 && Units != UnitType.Inches && Units != UnitType.Centimeters)
{
return(false);
}
XDensity = binaryReader.ReadShort();
YDensity = binaryReader.ReadShort();
Xthumbnail = binaryReader.ReadByte();
Ythumbnail = binaryReader.ReadByte();
int num2 = 3 * Xthumbnail * Ythumbnail;
if (num > JFIF_FIXED_LENGTH && num2 != num - JFIF_FIXED_LENGTH)
{
return(false);
}
if (num2 > 0)
{
thumbnail = new byte[num2];
if (binaryReader.Read(thumbnail, 0, num2) != num2)
{
return(false);
}
}
return(true);
}
private bool TryParseJFIF(byte[] data)
{
FluxJpeg.Core.IO.BinaryReader reader = new FluxJpeg.Core.IO.BinaryReader(new MemoryStream(data));
int num = data.Length + 2;
if (num < JFIF_FIXED_LENGTH)
{
return(false);
}
byte[] buffer = new byte[5];
reader.Read(buffer, 0, buffer.Length);
if ((((buffer[0] != 0x4a) || (buffer[1] != 70)) || ((buffer[2] != 0x49) || (buffer[3] != 70))) || (buffer[4] != 0))
{
return(false);
}
this.majorVersion = reader.ReadByte();
this.minorVersion = reader.ReadByte();
if ((this.majorVersion != 1) || ((this.majorVersion == 1) && (this.minorVersion > 2)))
{
return(false);
}
this.Units = (UnitType)reader.ReadByte();
if (((this.Units != UnitType.None) && (this.Units != UnitType.Inches)) && (this.Units != UnitType.Centimeters))
{
return(false);
}
this.XDensity = reader.ReadShort();
this.YDensity = reader.ReadShort();
this.Xthumbnail = reader.ReadByte();
this.Ythumbnail = reader.ReadByte();
int count = (3 * this.Xthumbnail) * this.Ythumbnail;
if ((num > JFIF_FIXED_LENGTH) && (count != (num - JFIF_FIXED_LENGTH)))
{
return(false);
}
if (count > 0)
{
this.thumbnail = new byte[count];
if (reader.Read(this.thumbnail, 0, count) != count)
{
return(false);
}
}
return(true);
}
private bool TryParseJFIF(byte[] data)
{
FluxJpeg.Core.IO.BinaryReader reader = new FluxJpeg.Core.IO.BinaryReader(new MemoryStream(data));
int num = data.Length + 2;
if (num < JFIF_FIXED_LENGTH)
{
return false;
}
byte[] buffer = new byte[5];
reader.Read(buffer, 0, buffer.Length);
if ((((buffer[0] != 0x4a) || (buffer[1] != 70)) || ((buffer[2] != 0x49) || (buffer[3] != 70))) || (buffer[4] != 0))
{
return false;
}
this.majorVersion = reader.ReadByte();
this.minorVersion = reader.ReadByte();
if ((this.majorVersion != 1) || ((this.majorVersion == 1) && (this.minorVersion > 2)))
{
return false;
}
this.Units = (UnitType) reader.ReadByte();
if (((this.Units != UnitType.None) && (this.Units != UnitType.Inches)) && (this.Units != UnitType.Centimeters))
{
return false;
}
this.XDensity = reader.ReadShort();
this.YDensity = reader.ReadShort();
this.Xthumbnail = reader.ReadByte();
this.Ythumbnail = reader.ReadByte();
int count = (3 * this.Xthumbnail) * this.Ythumbnail;
if ((num > JFIF_FIXED_LENGTH) && (count != (num - JFIF_FIXED_LENGTH)))
{
return false;
}
if (count > 0)
{
this.thumbnail = new byte[count];
if (reader.Read(this.thumbnail, 0, count) != count)
{
return false;
}
}
return true;
}
