OpenCV

DogeCV/.gitignore

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+/build

DogeCV/build.gradle

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+apply plugin: 'com.android.library'
+
+android {
+    compileSdkVersion 23
+    buildToolsVersion '28.0.3'
+
+    defaultConfig {
+        minSdkVersion 19
+        targetSdkVersion 27
+        versionCode 1
+        versionName "1.0"
+
+
+    }
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
+        }
+    }
+}
+repositories {
+    flatDir {
+        dirs '../libs'
+    }
+}
+dependencies {
+    implementation fileTree(include: ['*.jar'], dir: 'libs')
+    implementation project(path: ':openCVLibrary3')
+    implementation (name: 'RobotCore-release', ext: 'aar')
+}

DogeCV/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# By default, the flags in this file are appended to flags specified
+# in /home/guinea/Android/Sdk/tools/proguard/proguard-android.txt
+# You can edit the include path and order by changing the proguardFiles
+# directive in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# Add any project specific keep options here:
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

DogeCV/src/main/AndroidManifest.xml

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+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+
+    package="org.corningrobotics.enderbots.endercv">
+
+    <application android:allowBackup="true" android:label="@string/app_name"
+        android:supportsRtl="true">
+
+    </application>
+
+</manifest>

DogeCV/src/main/java/com/disnodeteam/dogecv/ActivityViewDisplay.java

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+package com.disnodeteam.dogecv;
+
+import android.app.Activity;
+import android.content.Context;
+import android.view.View;
+
+/**
+ * Created by guinea on 6/23/17.
+ * -------------------------------------------------------------------------------------
+ * Copyright (c) 2018 FTC Team 5484 Enderbots
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ * 
+ * 
+ * By downloading, copying, installing or using the software you agree to this license.
+ * If you do not agree to this license, do not download, install,
+ * copy or use the software.
+ * -------------------------------------------------------------------------------------
+ * This ViewDisplay displays a View over the entire screen.
+ * As a singleton, you'll want to pass ActivityViewDisplay.getInstance() instead of directly instantiating it.
+ */
+
+public class ActivityViewDisplay implements ViewDisplay {
+
+    //There should only be one instance of this class, so make a static reference to it
+    private static ActivityViewDisplay instance;
+    private static View main = null;
+
+    private ActivityViewDisplay() {
+    }
+
+    public static ActivityViewDisplay getInstance() {
+        if (instance == null) instance = new ActivityViewDisplay();
+        return instance;
+    }
+
+    /**
+     * Sets this display to be the current one in use, and starts it on the UI thread (as opposed to the robot controller thread)
+     * @param context The context of the OpMode, can be obtained via hardwaremap.appContext;
+     * @param view The view upon which this activity is to be displayed
+     */
+    public void setCurrentView(final Context context, final View view) {
+        final Activity activity = (Activity) context;
+        activity.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                if (main == null)
+                    main = activity.getCurrentFocus();
+                activity.setContentView(view);
+            }
+        });
+    }
+
+    public void removeCurrentView(final Context context) {
+        final Activity activity = (Activity) context;
+        activity.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                activity.setContentView(main.getRootView());
+            }
+        });
+    }
+}

DogeCV/src/main/java/com/disnodeteam/dogecv/CameraViewDisplay.java

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+package com.disnodeteam.dogecv;
+
+import android.app.Activity;
+import android.content.Context;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.HorizontalScrollView;
+import android.widget.ScrollView;
+
+
+/**
+ * Created by guinea on 6/23/17.
+ * -------------------------------------------------------------------------------------
+ * Copyright (c) 2018 FTC Team 5484 Enderbots
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ * 
+ * 
+ * By downloading, copying, installing or using the software you agree to this license.
+ * If you do not agree to this license, do not download, install,
+ * copy or use the software.
+ * -------------------------------------------------------------------------------------
+ * Nicely adds/removes a View from the main body of the robot controller app screen.
+ * As a singleton, you'll want to pass CameraViewDisplay.getInstance() instead of directly instantiating it.
+ */
+
+public class CameraViewDisplay implements ViewDisplay {
+    private static CameraViewDisplay instance;
+
+    View view;
+    private CameraViewDisplay() {
+    }
+
+    public static CameraViewDisplay getInstance() {
+        if (instance == null) instance = new CameraViewDisplay();
+        return instance;
+    }
+
+    public void setCurrentView(final Context context, View newView) {
+        // finding the resID dynamically allows this class to exist outside of the TeamCode module
+        final int resID = context.getResources().getIdentifier("RelativeLayout", "id", context.getPackageName());
+        final Activity activity = (Activity) context;
+        final View queuedView = newView;
+        activity.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                ViewGroup l = (ViewGroup) activity.findViewById(resID); //R.id.RelativeLayout);
+                if (view != null) {
+                    l.removeView(view);
+                }
+                l.addView(new ScrollView(context));
+                l.addView(queuedView);
+                view = queuedView;
+            }
+        });
+    }
+
+    public void removeCurrentView(Context context) {
+        final int resID = context.getResources().getIdentifier("RelativeLayout", "id", context.getPackageName());
+        final Activity activity = (Activity) context;
+        activity.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                //cameraMonitorViewId
+                ViewGroup l = (ViewGroup) activity.findViewById(resID); // .id.RelativeLayout);
+                if (view != null) {
+                    l.removeView(view);
+                }
+                view = null;
+            }
+        });
+    }
+}

DogeCV/src/main/java/com/disnodeteam/dogecv/CustomCameraView.java

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+package com.disnodeteam.dogecv;
+
+import android.content.Context;
+import android.content.res.Configuration;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Rect;
+import android.util.Log;
+
+import org.opencv.BuildConfig;
+import org.opencv.android.JavaCameraView;
+import org.opencv.android.Utils;
+import org.opencv.core.Core;
+import org.opencv.core.Mat;
+
+/**
+ * Created by daniel on 11/11/17.
+ * 
+ * Used to make screen rotate work.
+ * -------------------------------------------------------------------------------------
+ * Copyright (c) 2018 FTC Team 5484 Enderbots
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ * 
+ * 
+ * By downloading, copying, installing or using the software you agree to this license.
+ * If you do not agree to this license, do not download, install,
+ * copy or use the software.
+ * -------------------------------------------------------------------------------------
+ */
+
+public class CustomCameraView extends JavaCameraView {
+    private static final String TAG = "CustomCameraView";
+
+    public CustomCameraView(Context context, int cameraId) {
+        super(context, cameraId);
+        enableFpsMeter();
+    }
+
+    @Override
+    protected void deliverAndDrawFrame(CvCameraViewFrame frame) {
+        Mat modified;
+
+        int deviceOrientation = getContext().getResources().getConfiguration().orientation;
+
+        if (mListener != null) {
+            modified = mListener.onCameraFrame(frame);
+        } else {
+            modified = frame.rgba();
+        }
+
+        boolean bmpValid = true;
+        if (modified != null) {
+            try {
+                // fix bitmap size
+                if (mCacheBitmap.getWidth() != modified.cols() || mCacheBitmap.getHeight() != modified.rows()) {
+                    mCacheBitmap = Bitmap.createBitmap(modified.cols(), modified.rows(), Bitmap.Config.ARGB_8888);
+                }
+                Utils.matToBitmap(modified, mCacheBitmap);
+            } catch(Exception e) {
+                Log.e(TAG, "Mat type: " + modified.cols() + "*" + modified.rows());
+                Log.e(TAG, "Bitmap type: " + mCacheBitmap.getWidth() + "*" + mCacheBitmap.getHeight());
+                Log.e(TAG, "Utils.matToBitmap() throws an exception: " + e.getMessage());
+                bmpValid = false;
+            }
+        }
+
+        if (bmpValid && mCacheBitmap != null) {
+            Canvas canvas = getHolder().lockCanvas();
+            if (canvas != null) {
+                canvas.drawColor(0, android.graphics.PorterDuff.Mode.CLEAR);
+                if (BuildConfig.DEBUG)
+                    Log.d(TAG, "mStretch value: " + mScale);
+
+                // commented out bc this can add distortion to the image
+                // maximize size of the bitmap to remove black borders in portrait orientation
+                //mCacheBitmap = Bitmap.createScaledBitmap(mCacheBitmap, canvas.getWidth(), canvas.getHeight()*(canvas.getWidth()/mCacheBitmap.getWidth()), true);
+
+                if (mScale != 0) {
+                    canvas.drawBitmap(mCacheBitmap, new Rect(0,0,mCacheBitmap.getWidth(), mCacheBitmap.getHeight()),
+                            new Rect((int)((canvas.getWidth() - mScale*mCacheBitmap.getWidth()) / 2),
+                                    (int)((canvas.getHeight() - mScale*mCacheBitmap.getHeight()) / 2),
+                                    (int)((canvas.getWidth() - mScale*mCacheBitmap.getWidth()) / 2 + mScale*mCacheBitmap.getWidth()),
+                                    (int)((canvas.getHeight() - mScale*mCacheBitmap.getHeight()) / 2 + mScale*mCacheBitmap.getHeight())), null);
+                } else {
+                    canvas.drawBitmap(mCacheBitmap, new Rect(0,0,mCacheBitmap.getWidth(), mCacheBitmap.getHeight()),
+                            new Rect((canvas.getWidth() - mCacheBitmap.getWidth()) / 2,
+                                    (canvas.getHeight() - mCacheBitmap.getHeight()) / 2,
+                                    (canvas.getWidth() - mCacheBitmap.getWidth()) / 2 + mCacheBitmap.getWidth(),
+                                    (canvas.getHeight() - mCacheBitmap.getHeight()) / 2 + mCacheBitmap.getHeight()), null);
+                }
+
+                // temporarily rotate canvas to draw FPS meter in correct orientation in portrait
+                if(deviceOrientation == Configuration.ORIENTATION_PORTRAIT) {
+                    canvas.save();
+
+                    canvas.rotate(-90, getWidth() / 2, getHeight() / 2);
+
+                    if (mFpsMeter != null) {
+                        mFpsMeter.measure();
+                        mFpsMeter.draw(canvas, 20, 30);
+                    }
+
+                    canvas.restore();
+                }
+
+                getHolder().unlockCanvasAndPost(canvas);
+            }
+        }
+    }
+
+
+}