public void can_get_a_square_from_a_square_image()
{
var input = new SizeF(500, 500);
var output = ImageCropLogic.GetLargestSquareFromRectangle(input);
var target = new RectangleF(0, 0, 500, 500);
Assert.AreEqual(target, output);
}
public void CanGetSquareFromWideImage()
{
var input = new SizeF(2400, 900);
var output = ImageCropLogic.GetLargestSquareFromRectangle(input);
var target = new RectangleF(750, 0, 900, 900);
Assert.AreEqual(target, output);
}
public byte[] ResizeImage(byte[] imageBytes, int newWidth, int newHeight)
{
// byte[] -> NSData -> UIImage
Byte[] NewByteArray = null;
using (var data = NSData.FromArray(imageBytes)) {
using (UIImage image = new UIImage(data)) {
var cropRect = ImageCropLogic.GetLargestSquareFromRectangle(image.Size);
var cropped = CropImage(image, cropRect);
var resized = ResizeImage(cropped, newWidth, newHeight);
using (NSData imageData = resized.AsPNG()) {
NewByteArray = new Byte[imageData.Length];
System.Runtime.InteropServices.Marshal.Copy(imageData.Bytes, NewByteArray, 0, Convert.ToInt32(imageData.Length));
}
}
}
return(NewByteArray);
}
