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JLLeitschuhJLLeitschuh
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Adds Number Threshold, Count Contours, and Crop Operations
Rewrite of @MeRPG's PR. Closes #529
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‎core/src/main/java/edu/wpi/grip/core/operations/Operations.java‎

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@@ -6,6 +6,7 @@
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import com.google.inject.Inject;
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import com.google.inject.Singleton;
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import com.google.inject.name.Named;
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import edu.wpi.grip.core.OperationDescription;
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import edu.wpi.grip.core.OperationMetaData;
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import edu.wpi.grip.core.events.OperationAddedEvent;
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import edu.wpi.grip.core.operations.composite.*;
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import edu.wpi.grip.core.operations.opencv.MinMaxLoc;
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import edu.wpi.grip.core.operations.opencv.NewPointOperation;
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import edu.wpi.grip.core.operations.opencv.NewSizeOperation;
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import edu.wpi.grip.core.operations.templated.TemplateFactory;
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import edu.wpi.grip.core.sockets.InputSocket;
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import edu.wpi.grip.core.sockets.OutputSocket;
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import edu.wpi.grip.core.sockets.SocketHint;
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import edu.wpi.grip.core.sockets.SocketHints;
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import edu.wpi.grip.core.util.Icon;
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import org.bytedeco.javacpp.opencv_core.Mat;
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import org.bytedeco.javacpp.opencv_core.Point;
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import org.bytedeco.javacpp.opencv_core.Rect;
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import org.bytedeco.javacpp.opencv_core.Size;
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import static com.google.common.base.Preconditions.checkNotNull;
@@ -44,6 +51,8 @@ public class Operations {
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this.eventBus = checkNotNull(eventBus, "EventBus cannot be null");
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checkNotNull(ntPublisherFactory, "ntPublisherFactory cannot be null");
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checkNotNull(rosPublishFactory, "rosPublishFactory cannot be null");
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TemplateFactory templateFactory = new TemplateFactory(isf, osf);
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this.operations = ImmutableList.of(
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// Composite operations
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new OperationMetaData(BlurOperation.DESCRIPTION, () -> new BlurOperation(isf, osf)),
@@ -67,6 +76,52 @@ public class Operations {
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new OperationMetaData(WatershedOperation.DESCRIPTION, () -> new WatershedOperation(isf, osf)),
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new OperationMetaData(ThresholdMoving.DESCRIPTION, () -> new ThresholdMoving(isf, osf)),
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new OperationMetaData(
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OperationDescription.builder()
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.name("Crop")
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.summary("Crop an image")
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.icon(Icon.iconStream("grip"))
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.build(),
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templateFactory.create(
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SocketHints.Inputs.createMatSocketHint("src", false),
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SocketHints.Inputs.createPointSocketHint("p1", false),
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SocketHints.Inputs.createPointSocketHint("p2", false),
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SocketHints.Inputs.createMatSocketHint("dst", true),
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(src, p1, p2, dst) -> {
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final Rect rect = new Rect(p1, p2);
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final Mat tmp = new Mat(src, rect);
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tmp.copyTo(dst);
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}
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)),
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new OperationMetaData(
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OperationDescription.builder()
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.name("Number Threshold")
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.summary("Returns a boolean on whether or not the number is within the given range.")
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.icon(Icon.iconStream("grip"))
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.build(),
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templateFactory.createReturning(
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SocketHints.Inputs.createNumberSpinnerSocketHint("Input", 0),
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SocketHints.Inputs.createNumberSpinnerSocketHint("Min", -1),
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SocketHints.Inputs.createNumberSpinnerSocketHint("Max", 1),
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SocketHints.Outputs.createBooleanSocketHint("Output", true),
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(num, min, max) -> min.doubleValue() <= num.doubleValue() && max.doubleValue() >= num.doubleValue()
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)
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),
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new OperationMetaData(
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OperationDescription.builder()
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.name("Count Contours")
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.summary("Counts the number of contours in a contours report.")
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.icon(Icon.iconStream("grip"))
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.build(),
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templateFactory.createReturning(
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new SocketHint.Builder<>(ContoursReport.class).identifier("Contours").build(),
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SocketHints.Outputs.createNumberSocketHint("Count", 0),
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(contours) -> contours.getContours().size()
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)
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),
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// OpenCV operations
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new OperationMetaData(MatFieldAccessor.DESCRIPTION, () -> new MatFieldAccessor(isf, osf)),
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new OperationMetaData(MinMaxLoc.DESCRIPTION, () -> new MinMaxLoc(isf, osf)),

‎core/src/main/java/edu/wpi/grip/core/operations/templated/OneSourceReturnDestinationOperation.java‎

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package edu.wpi.grip.core.operations.templated;
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import com.google.common.collect.ImmutableList;
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import edu.wpi.grip.core.Operation;
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import edu.wpi.grip.core.sockets.InputSocket;
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import edu.wpi.grip.core.sockets.OutputSocket;
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import edu.wpi.grip.core.sockets.SocketHint;
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import java.util.List;
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class OneSourceReturnDestinationOperation<T1, R> implements Operation {
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private final InputSocket<T1> input1;
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private final OutputSocket<R> output;
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private final Performer<T1, R> performer;
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@FunctionalInterface
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public interface Performer<T1, R> {
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R perform(T1 src1);
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}
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OneSourceReturnDestinationOperation(InputSocket.Factory inputSocketFactory,
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OutputSocket.Factory outputSocketFactory,
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SocketHint<T1> t1SocketHint,
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SocketHint<R> rSocketHint,
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Performer<T1, R> performer) {
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this.input1 = inputSocketFactory.create(t1SocketHint);
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this.output = outputSocketFactory.create(rSocketHint);
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assert output.getValue().isPresent() : TemplateFactory.ASSERTION_MESSAGE;
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this.performer = performer;
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}
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@Override
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public List<InputSocket> getInputSockets() {
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return ImmutableList.of(input1);
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}
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@Override
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public List<OutputSocket> getOutputSockets() {
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return ImmutableList.of(output);
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}
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@Override
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@SuppressWarnings("OptionalGetWithoutIsPresent")
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public void perform() {
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output.setValue(performer.perform(input1.getValue().get()));
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}
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}

‎core/src/main/java/edu/wpi/grip/core/operations/templated/TemplateFactory.java‎

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@@ -101,6 +101,22 @@ public <T1, T2, T3, T4, T5, T6, T7, R> Supplier<Operation> create(
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return () -> new SevenSourceOneDestinationOperation<>(isf, osf, t1SocketHint, t2SocketHint, t3SocketHint, t4SocketHint, t5SocketHint, t6SocketHint, t7SocketHint, rSocketHint, performer);
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}
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public <T1, R> Supplier<Operation> createReturning(
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SocketHint<T1> t1SocketHint,
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SocketHint<R> rSocketHint,
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OneSourceReturnDestinationOperation.Performer<T1, R> performer) {
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return () -> new OneSourceReturnDestinationOperation<>(isf, osf, t1SocketHint, rSocketHint, performer);
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}
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public <T1, T2, T3, R> Supplier<Operation> createReturning(
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SocketHint<T1> t1SocketHint,
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SocketHint<T2> t2SocketHint,
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SocketHint<T3> t3SocketHint,
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SocketHint<R> rSocketHint,
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ThreeSourceReturnDestinationOperation.Performer<T1, T2, T3, R> performer) {
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return () -> new ThreeSourceReturnDestinationOperation<>(isf, osf, t1SocketHint, t2SocketHint, t3SocketHint, rSocketHint, performer);
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}
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public Supplier<Operation> createAllMatTwoSource(
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SocketHint<Mat> matSocketHint,
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SocketHint<Mat> matSocketHint2,

‎core/src/main/java/edu/wpi/grip/core/operations/templated/ThreeSourceReturnDestinationOperation.java‎

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package edu.wpi.grip.core.operations.templated;
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import com.google.common.collect.ImmutableList;
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import edu.wpi.grip.core.Operation;
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import edu.wpi.grip.core.sockets.InputSocket;
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import edu.wpi.grip.core.sockets.OutputSocket;
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import edu.wpi.grip.core.sockets.SocketHint;
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import java.util.List;
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class ThreeSourceReturnDestinationOperation<T1, T2, T3, R> implements Operation {
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private final InputSocket<T1> input1;
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private final InputSocket<T2> input2;
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private final InputSocket<T3> input3;
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private final OutputSocket<R> output;
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private final Performer<T1, T2, T3, R> performer;
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@FunctionalInterface
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public interface Performer<T1, T2, T3, R> {
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R perform(T1 src1, T2 src2, T3 src3);
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}
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ThreeSourceReturnDestinationOperation(
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InputSocket.Factory inputSocketFactory,
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OutputSocket.Factory outputSocketFactory,
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SocketHint<T1> t1SocketHint,
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SocketHint<T2> t2SocketHint,
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SocketHint<T3> t3SocketHint,
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SocketHint<R> rSocketHint,
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Performer<T1, T2, T3, R> performer) {
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this.performer = performer;
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this.input1 = inputSocketFactory.create(t1SocketHint);
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this.input2 = inputSocketFactory.create(t2SocketHint);
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this.input3 = inputSocketFactory.create(t3SocketHint);
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this.output = outputSocketFactory.create(rSocketHint);
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assert output.getValue().isPresent() : TemplateFactory.ASSERTION_MESSAGE;
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}
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@Override
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public List<InputSocket> getInputSockets() {
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return ImmutableList.of(input1, input2, input3);
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}
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@Override
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public List<OutputSocket> getOutputSockets() {
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return ImmutableList.of(output);
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}
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@Override
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@SuppressWarnings("OptionalGetWithoutIsPresent")
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public void perform() {
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output.setValue(performer.perform(
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input1.getValue().get(),
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input2.getValue().get(),
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input3.getValue().get()));
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}
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}

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