public void ThenShouldReturnReversedBytesBeginningWithNullGivenComputerArchitectureIsBigEndianAndAddNullTrue()
{
// Arrange
var converter = new ExifBitConverter(new BigEndianComputerArchitectureInfoFake());
// Act
var bytes = converter.GetBytes("Hello", true);
// Assert
Assert.That(bytes, Is.EqualTo(new[] { 0x0, 0x6f, 0x6c, 0x6c, 0x65, 0x48 }));
}
public void ThenShouldReverseByteArrayGivenComputerArchitectureIsBigEndian()
{
// Arrange
var converter = new ExifBitConverter(new BigEndianComputerArchitectureInfoFake());
// Act
var bytes = converter.GetBytes("Hello", false);
// Assert
Assert.That(bytes, Is.EqualTo(new[] { 0x6f, 0x6c, 0x6c, 0x65, 0x48 }));
}
public void ThenShouldReturnBytesPlusNullGivenComputerArchitectureIsLittleEndianAndAddNullTrue()
{
// Arrange
var converter = new ExifBitConverter(new LittleEndianComputerArchitectureInfoFake());
// Act
var bytes = converter.GetBytes("Hello", true);
// Assert
Assert.That(bytes, Is.EqualTo(new[] { 0x48, 0x65, 0x6c, 0x6c, 0x6f, 0x0 }));
}
public void ResolutionIsApplied()
{
int i = 0;
byte[] bytes = new ExifBitConverter().IsLittleEndian()
? new byte[] { 144, 1, 0, 0, 1, 0, 0, 0 }
: new byte[] { 0, 0, 0, 1, 0, 0, 1, 144 };
int horizontalKey = (int)ExifPropertyTag.XResolution;
int verticalKey = (int)ExifPropertyTag.YResolution;
foreach (ImageFactory imageFactory in this.ListInputImagesWithMetadata())
{
Image original = (Image)imageFactory.Image.Clone();
imageFactory.Resolution(400, 400);
AssertionHelpers.AssertImagesAreDifferent(original, imageFactory.Image, "because the resolution operation should have been applied on {0}", imageFactory.ImagePath);
Assert.AreEqual(400, imageFactory.Image.HorizontalResolution);
Assert.AreEqual(400, imageFactory.Image.VerticalResolution);
if (imageFactory.PreserveExifData && imageFactory.ExifPropertyItems.Any())
{
if (imageFactory.ExifPropertyItems.ContainsKey(horizontalKey)
&& imageFactory.ExifPropertyItems.ContainsKey(verticalKey))
{
PropertyItem horizontal = imageFactory.ExifPropertyItems[horizontalKey];
PropertyItem vertical = imageFactory.ExifPropertyItems[verticalKey];
Assert.AreEqual(bytes, horizontal.Value);
Assert.AreEqual(bytes, vertical.Value);
}
}
imageFactory.Format(new JpegFormat()).Save("./output/resolution-" + i++ + ".jpg");
}
}