V1.0.0

.gitignore

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+*.iml
+.gradle
+/local.properties
+/.idea/caches
+/.idea/libraries
+/.idea/modules.xml
+/.idea/workspace.xml
+/.idea/navEditor.xml
+/.idea/assetWizardSettings.xml
+.DS_Store
+/build
+/captures
+.externalNativeBuild
+.cxx
+local.properties

app/.gitignore

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+/build

app/build.gradle

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+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdk 32
+
+    defaultConfig {
+        applicationId "com.mosect.app.scanpanel"
+        minSdk 19
+        targetSdk 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+
+    implementation project(':lib')
+    implementation 'com.google.zxing:core:3.5.0'
+}

app/proguard-rules.pro

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+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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

app/src/androidTest/java/com/mosect/app/scanpanel/ExampleInstrumentedTest.java

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+package com.mosect.app.scanpanel;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.mosect.app.scanpanel", appContext.getPackageName());
+    }
+}

app/src/main/AndroidManifest.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    package="com.mosect.app.scanpanel">
+
+    <uses-permission android:name="android.permission.CAMERA" />
+
+    <application
+        android:name=".MainApplication"
+        android:allowBackup="true"
+        android:dataExtractionRules="@xml/data_extraction_rules"
+        android:fullBackupContent="@xml/backup_rules"
+        android:icon="@mipmap/ic_launcher"
+        android:label="@string/app_name"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.ScanPanel"
+        tools:targetApi="31">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:screenOrientation="fullSensor"
+            android:windowSoftInputMode="adjustNothing|stateAlwaysHidden">
+            <intent-filter>
+                <category android:name="android.intent.category.LAUNCHER" />
+                <action android:name="android.intent.action.MAIN" />
+            </intent-filter>
+        </activity>
+        <activity
+            android:name=".AutostartActivity"
+            android:configChanges="orientation|keyboard|keyboardHidden|navigation|layoutDirection|screenLayout"
+            android:exported="false"
+            android:screenOrientation="fullSensor"
+            android:windowSoftInputMode="adjustNothing|stateAlwaysHidden" />
+        <activity
+            android:name=".ManualActivity"
+            android:configChanges="orientation"
+            android:exported="false"
+            android:screenOrientation="fullSensor"
+            android:windowSoftInputMode="adjustNothing|stateAlwaysHidden" />
+    </application>
+
+</manifest>

app/src/main/assets/shader_simple.frag

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+uniform vec4 color;
+
+void main() {
+    gl_FragColor = color;
+}

app/src/main/assets/shader_simple.vert

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+attribute vec3 position;
+
+void main() {
+    gl_Position = vec4(position, 1.0f);
+}

app/src/main/java/com/mosect/app/scanpanel/AutostartActivity.java

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+package com.mosect.app.scanpanel;
+
+public class AutostartActivity extends ScanActivity {
+    @Override
+    protected void onInitContentView() {
+        setContentView(R.layout.activity_autostart);
+    }
+}

app/src/main/java/com/mosect/app/scanpanel/MainActivity.java

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+package com.mosect.app.scanpanel;
+
+import android.Manifest;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.widget.CheckBox;
+
+import androidx.activity.result.ActivityResultLauncher;
+import androidx.activity.result.contract.ActivityResultContracts;
+import androidx.annotation.Nullable;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.core.content.ContextCompat;
+
+public class MainActivity extends AppCompatActivity {
+
+    private CheckBox cbFront;
+    private CheckBox cbUseTextureView;
+
+    @Override
+    protected void onCreate(@Nullable Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        ActivityResultLauncher<String> cameraLauncher = registerForActivityResult(
+                new ActivityResultContracts.RequestPermission(),
+                result -> {
+                    if (result) {
+                        jumpAutostartActivity();
+                    }
+                });
+
+        setContentView(R.layout.activity_main);
+
+        findViewById(R.id.btn_autostart).setOnClickListener(v -> {
+            if (ContextCompat.checkSelfPermission(this, Manifest.permission.CAMERA) == PackageManager.PERMISSION_GRANTED) {
+                jumpAutostartActivity();
+            } else {
+                cameraLauncher.launch(Manifest.permission.CAMERA);
+            }
+        });
+        findViewById(R.id.btn_manual).setOnClickListener(v -> {
+            Intent intent = new Intent(this, ManualActivity.class);
+            intent.putExtra("facing", cbFront.isChecked() ? "front" : "back");
+            intent.putExtra("useTextureView", cbUseTextureView.isChecked());
+            startActivity(intent);
+        });
+        cbFront = findViewById(R.id.cb_front);
+        cbUseTextureView = findViewById(R.id.cb_useTextureView);
+    }
+
+    private void jumpAutostartActivity() {
+        Intent intent = new Intent(this, AutostartActivity.class);
+        intent.putExtra("facing", cbFront.isChecked() ? "front" : "back");
+        intent.putExtra("useTextureView", cbUseTextureView.isChecked());
+        startActivity(intent);
+    }
+}

app/src/main/java/com/mosect/app/scanpanel/MainApplication.java

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+package com.mosect.app.scanpanel;
+
+import android.app.Application;
+import android.graphics.RectF;
+import android.opengl.Matrix;
+
+import com.mosect.lib.scanpanel.graphics.ContentMatrix;
+import com.mosect.lib.scanpanel.graphics.Matrix3D;
+
+import java.util.Arrays;
+
+public class MainApplication extends Application {
+
+    private void testMatrix() {
+        float[] point1 = {1, 1, 0f, 1f};
+        float[] point2 = new float[point1.length];
+        float[] matrix = new float[16 * 3];
+        Matrix.setIdentityM(matrix, 0);
+
+        Matrix.setIdentityM(matrix, 32);
+        Matrix.rotateM(matrix, 32, 90, 0, 0, -1f);
+        System.arraycopy(matrix, 0, matrix, 16, 16);
+        Matrix.multiplyMM(matrix, 0, matrix, 16, matrix, 32);
+        Matrix.multiplyMV(point2, 0, matrix, 0, point1, 0);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+
+        Matrix.setIdentityM(matrix, 32);
+        Matrix.translateM(matrix, 32, 5, 5, 0f);
+        System.arraycopy(matrix, 0, matrix, 16, 16);
+        Matrix.multiplyMM(matrix, 0, matrix, 16, matrix, 32);
+        Matrix.multiplyMV(point2, 0, matrix, 0, point1, 0);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+
+        Matrix.setIdentityM(matrix, 32);
+        Matrix.scaleM(matrix, 32, 2, 2, 1f);
+        System.arraycopy(matrix, 0, matrix, 16, 16);
+        Matrix.multiplyMM(matrix, 0, matrix, 16, matrix, 32);
+        Matrix.multiplyMV(point2, 0, matrix, 0, point1, 0);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+    }
+
+    private void testMatrix3D() {
+        Matrix3D matrix3D = new Matrix3D();
+        float[] point1 = {1, 1, 0f};
+        float[] point2 = new float[3];
+
+        matrix3D.postRotate(90, 0, 0, -1f);
+        matrix3D.mapPoints(point1, point2);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+
+        matrix3D.postScale(2f, 2f, 1f);
+        matrix3D.mapPoints(point1, point2);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+
+        matrix3D.postTranslate(5f, 5f, 0f);
+        matrix3D.mapPoints(point1, point2);
+        System.out.printf("%s >>> %s%n", Arrays.toString(point1), Arrays.toString(point2));
+    }
+
+    private void testContentMatrix() {
+        RectF viewportRect = new RectF(0, 1920, 1080, 0);
+        RectF contentRect = new RectF(0, 300, 400, 0);
+        ContentMatrix contentMatrix = new ContentMatrix(contentRect, viewportRect);
+        contentMatrix.update(ContentMatrix.ScaleType.CENTER_CROP, 90, false);
+        float[] points = {
+                0, 0, 1,
+                400, 0, 1,
+                0, 300, 1,
+                400, 300, 1,
+        };
+        float[] points2 = new float[points.length];
+        contentMatrix.mapVec3Points(points, points2);
+        for (int i = 0; i < points.length; i += 3) {
+            System.out.printf("(%s, %s, %s) >>> (%s, %s, %s) %n",
+                    points[i], points[i + 1], points[i + 2],
+                    points2[i], points2[i + 1], points2[i + 2]);
+        }
+        RectF rect1 = new RectF(1000, 0, 1080, 300);
+        RectF rect2 = new RectF();
+        contentMatrix.viewportToContent2D(rect1, rect2);
+        System.out.printf("%s >>> %s%n", rect1, rect2);
+    }
+
+    @Override
+    public void onCreate() {
+        super.onCreate();
+        testContentMatrix();
+//        testMatrix();
+//        testMatrix3D();
+    }
+}