public void When_cropping_we_should_get_an_image_that_is_exactly_our_requested_size()
{
var original = GenerateTestImage(800, 600);
var resized = new ResizeImage(original)
.Crop()
.ToSize(400, 300)
.Save();
resized.Width.Should().Be(400);
resized.Height.Should().Be(300);
}
public void It_pads_to_exactly_requested_size()
{
var original = GenerateTestImage(800, 600);
var resizedImage = new ResizeImage(original)
.Pad(Color.Black)
.ToSize(331, 418)
.Save();
resizedImage.Width.Should().Be(331);
resizedImage.Height.Should().Be(418);
}
public void It_pads_with_the_correct_color()
{
var original = GenerateTestImage(800, 600, Color.Yellow);
var resizedImage = new ResizeImage(original)
.Pad(Color.Black)
.ToSize(400, 600)
.Save();
resizedImage.GetPixel(0, 0).ToHex().Should().Be(Color.Black.ToHex());
resizedImage.GetPixel(399, 599).ToHex().Should().Be(Color.Black.ToHex());
resizedImage.GetPixel(0, 151).ToHex().Should().Be(Color.Yellow.ToHex());
resizedImage.GetPixel(400, 449).ToHex().Should().Be(Color.Yellow.ToHex());
}
public void It_calculates_constrain_correctly()
{
var original = GenerateTestImage(800, 600);
var resizedImage = new ResizeImage(original)
.Constrain()
.ToSize(200, 200)
.Save();
resizedImage.Width.Should().Be(200);
resizedImage.Height.Should().Be(150);
resizedImage = new ResizeImage(original)
.Constrain()
.ToSize(465, 250)
.Save();
resizedImage.Width.Should().Be(333);
resizedImage.Height.Should().Be(250);
}