public void MarkerHashCodeIsReplicable()
{
JFifMarker.TryParse(this.bytes, out var marker);
JFifMarker.TryParse(this.bytes, out var marker2);
Assert.True(marker.GetHashCode().Equals(marker2.GetHashCode()));
}
public void MarkerHashCodeIsUnique()
{
JFifMarker.TryParse(this.bytes, out var marker);
JFifMarker.TryParse(this.bytes2, out var marker2);
Assert.False(marker.GetHashCode().Equals(marker2.GetHashCode()));
}
public void MarkerInEqualityIsCorrect()
{
JFifMarker.TryParse(this.bytes, out var marker);
JFifMarker.TryParse(this.bytes2, out var marker2);
Assert.False(marker.Equals(marker2));
}
public void MarkerIgnoresCorrectHeaderButInvalidDensities()
{
bool isJFif = JFifMarker.TryParse(this.bytes3, out var marker);
Assert.False(isJFif);
Assert.Equal(default(JFifMarker), marker);
}
public void MarkerIgnoresIncorrectValue()
{
bool isJFif = JFifMarker.TryParse(new byte[] { 0, 0, 0, 0 }, out var marker);
Assert.False(isJFif);
Assert.Equal(default(JFifMarker), marker);
}
public void MarkerReturnsCorrectParsedValue()
{
bool isJFif = JFifMarker.TryParse(this.bytes, out JFifMarker marker);
Assert.True(isJFif);
Assert.Equal(1, marker.MajorVersion);
Assert.Equal(1, marker.MinorVersion);
Assert.Equal(PixelResolutionUnit.PixelsPerInch, marker.DensityUnits);
Assert.Equal(96, marker.XDensity);
Assert.Equal(96, marker.YDensity);
}
/// <summary>
/// Processes the application header containing the JFIF identifier plus extra data.
/// </summary>
/// <param name="remaining">The remaining bytes in the segment block.</param>
private void ProcessApplicationHeaderMarker(int remaining)
{
if (remaining < 5)
{
this.InputProcessor.Skip(remaining);
return;
}
const int MarkerLength = JFifMarker.Length;
this.InputProcessor.ReadFull(this.Temp, 0, MarkerLength);
remaining -= MarkerLength;
this.isJFif = JFifMarker.TryParse(this.Temp, out this.jFif);
if (remaining > 0)
{
this.InputProcessor.Skip(remaining);
}
}
/// <summary>
/// Processes the application header containing the JFIF identifier plus extra data.
/// </summary>
/// <param name="remaining">The remaining bytes in the segment block.</param>
private void ProcessApplicationHeaderMarker(int remaining)
{
if (remaining < 5)
{
// Skip the application header length
this.InputStream.Skip(remaining);
return;
}
this.InputStream.Read(this.temp, 0, JFifMarker.Length);
remaining -= JFifMarker.Length;
JFifMarker.TryParse(this.temp, out this.jFif);
// TODO: thumbnail
if (remaining > 0)
{
this.InputStream.Skip(remaining);
}
}