public override void DidOrderIn(PresentationViewController presentationViewController)
{
var banana = Utils.SCAddChildNode(ContentNode, "banana", "Scenes.scnassets/banana/banana", 5);
banana.Rotation = new SCNVector4(1, 0, 0, -(float)(Math.PI / 2));
banana.RunAction(SCNAction.RepeatActionForever(SCNAction.RotateBy(0, NMath.PI * 2, 0, 1.5f)));
banana.Position = new SCNVector3(2.5f, 5, 10);
var gaussianBlurFilter = new CIGaussianBlur()
{
Radius = 10
};
gaussianBlurFilter.SetDefaults();
banana.Filters = new CIFilter[] { gaussianBlurFilter };
banana = (SCNNode)banana.Copy();
ContentNode.AddChildNode(banana);
banana.Position = new SCNVector3(6, 5, 10);
var pixellateFilter = new CIPixellate();
pixellateFilter.SetDefaults();
banana.Filters = new CIFilter[] { pixellateFilter };
banana = (SCNNode)banana.Copy();
ContentNode.AddChildNode(banana);
banana.Position = new SCNVector3(9.5f, 5, 10);
var filter = CIFilter.FromName("CIEdgeWork");
filter.SetDefaults();
banana.Filters = new CIFilter[] { filter };
}
public override void DidOrderIn (PresentationViewController presentationViewController)
{
var banana = Utils.SCAddChildNode (ContentNode, "banana", "Scenes.scnassets/banana/banana", 5);
banana.Rotation = new SCNVector4 (1, 0, 0, -(float)(Math.PI / 2));
banana.RunAction (SCNAction.RepeatActionForever (SCNAction.RotateBy (0, NMath.PI * 2, 0, 1.5f)));
banana.Position = new SCNVector3 (2.5f, 5, 10);
var gaussianBlurFilter = new CIGaussianBlur () { Radius = 10 };
gaussianBlurFilter.SetDefaults ();
banana.Filters = new CIFilter[] { gaussianBlurFilter };
banana = (SCNNode)banana.Copy ();
ContentNode.AddChildNode (banana);
banana.Position = new SCNVector3 (6, 5, 10);
var pixellateFilter = new CIPixellate ();
pixellateFilter.SetDefaults ();
banana.Filters = new CIFilter[] { pixellateFilter };
banana = (SCNNode)banana.Copy ();
ContentNode.AddChildNode (banana);
banana.Position = new SCNVector3 (9.5f, 5, 10);
var edgeWorkFilter = new CIEdgeWork ();
edgeWorkFilter.SetDefaults ();
banana.Filters = new CIFilter[] { edgeWorkFilter };
}
public async Task<bool> Recognise (CIImage image)
{
if (image == null)
throw new ArgumentNullException ("image");
if (_busy)
return false;
_busy = true;
try {
return await Task.Run (() => {
using (var blur = new CIGaussianBlur ())
using (var context = CIContext.Create ()) {
blur.SetDefaults ();
blur.Image = image;
blur.Radius = 0;
using (var outputCiImage = context.CreateCGImage (blur.OutputImage, image.Extent))
using (var newImage = new UIImage (outputCiImage)) {
_api.Image = newImage;
_api.Recognize ();
return true;
}
}
});
} finally {
_busy = false;
}
}
private void addBulrFilterToWhiteCircle()
{
var blurFilter = new CIGaussianBlur();
blurFilter.SetDefaults();
blurFilter.Radius = 0;
//blurFilter.SetValueForKey(0, new NSString("inputRadius")
//if #available(iOS 10.0, *) {
//blurFilter?.name = "blur"
// }
blurFilter.Radius = 30;//(30, forKey: "inputRadius")
_blurWhiteCircleLayer.Filters = new CIFilter[] { blurFilter };
}
public async void Sample3Png()
{
await _api.Init("eng");
using (var stream = LoadSample("sample3.png"))
using (var image = new CIImage(NSData.FromStream(stream)))
using (var blur = new CIGaussianBlur())
using (var context = CIContext.Create()) {
blur.SetDefaults();
blur.Image = image;
blur.Radius = 0;
using (var outputCiImage = context.CreateCGImage(blur.OutputImage, image.Extent))
using (var newImage = new UIImage(outputCiImage)) {
var result = await((TesseractApi)_api).Recognise(newImage);
Assert.IsTrue(result);
Assert.AreEqual(
"the quick brown fox\njumps over the lazy dog-\n\nTHE QUICK BROlLIN FOX\nJUMPS OVER THE LAZY DOG.\n\n",
_api.Text);
}
}
}
public async Task<bool> Recognise (CIImage image)
{
CheckIfInitialized ();
if (image == null)
throw new ArgumentNullException ("image");
if (_busy)
return false;
_busy = true;
try {
return await Task.Run (() => {
using (var blur = new CIGaussianBlur ())
using (var context = CIContext.Create ()) {
blur.SetDefaults ();
blur.Image = image;
blur.Radius = 0;
using (var outputCiImage = context.CreateCGImage (blur.OutputImage, image.Extent))
using (var newImage = new UIImage (outputCiImage)) {
_size = newImage.Size;
_api.Image = newImage;
if (_rect.HasValue) {
_api.Rect = new CGRect (_rect.Value.Left, _rect.Value.Top, _rect.Value.Width, _rect.Value.Height);
} else {
_api.Rect = new CGRect (0, 0, _size.Width, _size.Height);
}
_api.Recognize ();
return true;
}
}
});
} finally {
_busy = false;
}
}
public async void Sample3Png ()
{
await _api.Init ("eng");
using (var stream = LoadSample ("sample3.png"))
using (var image = new CIImage (NSData.FromStream (stream)))
using (var blur = new CIGaussianBlur ())
using (var context = CIContext.Create ()) {
blur.SetDefaults ();
blur.Image = image;
blur.Radius = 0;
using (var outputCiImage = context.CreateCGImage (blur.OutputImage, image.Extent))
using (var newImage = new UIImage (outputCiImage)) {
var result = await ((TesseractApi)_api).Recognise (newImage);
Assert.IsTrue (result);
Assert.AreEqual (
"the quick brown fox\njumps over the lazy dog-\n\nTHE QUICK BROlLIN FOX\nJUMPS OVER THE LAZY DOG.\n\n",
_api.Text);
}
}
}
