// uses custom filter to select objects within a distance range from
// chicago
private void menuItemCustomQueryFilter_Click(object sender, System.EventArgs e)
{
try
{
Feature fChicago = _catalog.SearchForFeature("uscty_1k", MapInfo.Data.SearchInfoFactory.SearchWhere("City='Chicago'"));
// build up a search info by hand (not using the factory)
Distance d1 = new Distance(35, DistanceUnit.Mile);
Distance d2 = new Distance(125, DistanceUnit.Mile);
QueryFilter filter = new MyCustomFilter(fChicago.Geometry, d1, d2);
QueryDefinition qd = new QueryDefinition(filter, "*");
SearchInfo si = new SearchInfo(null, qd);
IResultSetFeatureCollection fc = _catalog.Search("uscty_1k", si);
// set map view to show search results
_map.SetView(fc.Envelope);
// make a search geometry to show what we are doing
FeatureGeometry buffer1 = fChicago.Geometry.Buffer(d1.Value, d1.Unit, 20, DistanceType.Spherical);
FeatureGeometry buffer2 = fChicago.Geometry.Buffer(d2.Value, d2.Unit, 20, DistanceType.Spherical);
ShowSearchGeometry(buffer1);
ShowSearchGeometry(buffer2, false);
// show results as selection
SelectFeatureCollection(fc);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
public void CIKernel_BasicTest()
{
if (!TestRuntime.CheckSystemAndSDKVersion(8, 0))
{
Assert.Inconclusive("Custom filters require iOS8+");
}
Exception ex = null;
var t = new Thread(() => {
// This code will crash if an MKMapView has been created previously on
// the same thread, so just run it on a different thread (MKMapViews can
// only be created on the main thread). This is obviously an Apple bug,
// and a radar has been filed: 19249153. ObjC test case: https://github.com/rolfbjarne/CIKernelMKMapViewCrash
try {
PlatformImage uiImg = new PlatformImage(NSBundle.MainBundle.PathForResource("Xam", "png", "CoreImage"));
#if MONOMAC
CIImage ciImg = new CIImage(uiImg.CGImage);
CIContext context = new CIContext(null);
#else
CIImage ciImg = new CIImage(uiImg);
CIContext context = CIContext.FromOptions(null);
#endif
foreach (CustomerFilterType type in Enum.GetValues(typeof(CustomerFilterType)))
{
MyCustomFilter filter = new MyCustomFilter(type);
filter.MyImage = ciImg;
CIImage outputImage = filter.OutputImage;
CGImage cgImage = context.CreateCGImage(outputImage, outputImage.Extent);
#if MONOMAC
NSImage finalImg = new NSImage(cgImage, new CGSize());
#else
UIImage finalImg = new UIImage(cgImage);
#endif
Assert.IsNotNull(finalImg, "CIKernel_BasicTest should not be null");
Assert.IsTrue(filter.CallbackHit, "CIKernel_BasicTest callback must be hit");
if (filter.IsColorKernel)
{
Assert.IsTrue(filter.kernel is CIColorKernel, "CIKernel_BasicTest we disagree that it is a color kernel");
}
else
{
Assert.IsTrue(filter.kernel is CIWarpKernel, "CIKernel_BasicTest we disagree that it is a warp kernel");
}
}
} catch (Exception ex2) {
ex = ex2;
}
});
t.Start();
t.Join();
if (ex != null)
{
throw ex;
}
}
static void Main(string[] args)
{
var processor = new PhotoProcessor();
PhotoProcessor.PhotoFilterHandler filterHandler;
PhotoFilters filters = new PhotoFilters();
filterHandler = filters.ApplyBrightness;
MyCustomFilter myCustomFilter = new MyCustomFilter();
filterHandler += myCustomFilter.MyCustomFilterMethod;
processor.Process("path da foto", filterHandler);
Console.Read();
}
// shows how to combine filters using logical And
private void menuItemLogicalFilter_Click(object sender, System.EventArgs e)
{
try
{
Feature fChicago = _catalog.SearchForFeature("uscty_1k", MapInfo.Data.SearchInfoFactory.SearchWhere("City='Chicago'"));
// build up a search info by hand (not using the factory)
Distance d1 = new Distance(35, DistanceUnit.Mile);
Distance d2 = new Distance(125, DistanceUnit.Mile);
QueryFilter filterA = new MyCustomFilter(fChicago.Geometry, d1, d2);
// build up a search info by hand (not using the factory)
QueryFilter filterB = new SqlExpressionFilter("State='IL'");
QueryFilter filter = new LogicalFilter(LogicalOperation.And, filterA, filterB);
QueryDefinition qd = new QueryDefinition(filter, "*");
SearchInfo si = new SearchInfo(null, qd);
IResultSetFeatureCollection fc = _catalog.Search("uscty_1k", si);
// set map view to show search results
_map.SetView(fc.Envelope);
// make a search geometry to show what we are doing
FeatureGeometry buffer1 = fChicago.Geometry.Buffer(d1.Value, d1.Unit, 20, DistanceType.Spherical);
FeatureGeometry buffer2 = fChicago.Geometry.Buffer(d2.Value, d2.Unit, 20, DistanceType.Spherical);
ShowSearchGeometry(buffer1);
ShowSearchGeometry(buffer2, false);
Feature fIL = _catalog.SearchForFeature("usa", MapInfo.Data.SearchInfoFactory.SearchWhere("State='IL'"));
ShowSearchGeometry(fIL.Geometry, false);
// show results as selection
SelectFeatureCollection(fc);
}
finally
{
Cursor.Current = Cursors.Default;
}
}
