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xufuji456
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Feature: add CameraFilter with OpenGL
1 parent f6e7030 commit f3dd152

27 files changed

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‎CameraFilter/.gitignore‎

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/build
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/.cxx

‎CameraFilter/build.gradle‎

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plugins {
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id 'com.android.library'
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}
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android {
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compileSdkVersion rootProject.ext.compileSdkVersion
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defaultConfig {
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minSdkVersion rootProject.ext.minSdkVersion
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targetSdkVersion rootProject.ext.targetSdkVersion
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}
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buildTypes {
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release {
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minifyEnabled false
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proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
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}
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}
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}
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dependencies {
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implementation "androidx.appcompat:appcompat:$rootProject.appcompatVersion"
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}

‎CameraFilter/proguard-rules.pro‎

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# Add project specific ProGuard rules here.
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# You can control the set of applied configuration files using the
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# proguardFiles setting in build.gradle.
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#
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# For more details, see
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# http://developer.android.com/guide/developing/tools/proguard.html
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# If your project uses WebView with JS, uncomment the following
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# and specify the fully qualified class name to the JavaScript interface
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# class:
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#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
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# public *;
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#}
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# Uncomment this to preserve the line number information for
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# debugging stack traces.
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#-keepattributes SourceFile,LineNumberTable
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# If you keep the line number information, uncomment this to
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# hide the original source file name.
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#-renamesourcefileattribute SourceFile

‎CameraFilter/src/main/AndroidManifest.xml‎

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<?xml version="1.0" encoding="utf-8"?>
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<manifest xmlns:android="http://schemas.android.com/apk/res/android"
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package="com.frank.camerafilter">
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<uses-feature android:glEsVersion="0x00030000" android:required="true"/>
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</manifest>

‎CameraFilter/src/main/java/com/frank/camerafilter/camera/CameraManager.java‎

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package com.frank.camerafilter.camera;
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import android.graphics.SurfaceTexture;
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import android.hardware.Camera;
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import android.hardware.Camera.Parameters;
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import java.io.IOException;
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import java.util.List;
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/**
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* @author xufulong
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* @date 2022/6/17 5:14 下午
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* @desc
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*/
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public class CameraManager {
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private Camera mCamera;
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private int mCameraId = 0;
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private SurfaceTexture mSurfaceTexture;
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public Camera getCamera() {
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return mCamera;
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}
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public boolean openCamera() {
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return openCamera(mCameraId);
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}
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public boolean openCamera(int cameraId) {
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if (mCamera == null) {
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try {
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mCameraId = cameraId;
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mCamera = Camera.open(cameraId);
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setDefaultParams();
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return true;
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} catch (RuntimeException e) {
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return false;
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}
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}
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return false;
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}
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public void releaseCamera() {
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if (mCamera == null)
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return;
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stopPreview();
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mCamera.release();
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mCamera = null;
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}
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public void switchCamera() {
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if (mCameraId == Camera.CameraInfo.CAMERA_FACING_BACK) {
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mCameraId = Camera.CameraInfo.CAMERA_FACING_FRONT;
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} else {
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mCameraId = Camera.CameraInfo.CAMERA_FACING_BACK;
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}
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releaseCamera();
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openCamera(mCameraId);
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startPreview(mSurfaceTexture);
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}
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private static Camera.Size getLargePictureSize(Camera camera){
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if(camera != null){
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List<Camera.Size> sizes = camera.getParameters().getSupportedPictureSizes();
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Camera.Size temp = sizes.get(0);
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for(int i = 1;i < sizes.size();i ++){
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float scale = (float)(sizes.get(i).height) / sizes.get(i).width;
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if(temp.width < sizes.get(i).width && scale < 0.6f && scale > 0.5f)
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temp = sizes.get(i);
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}
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return temp;
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}
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return null;
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}
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private static Camera.Size getLargePreviewSize(Camera camera){
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if(camera != null){
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List<Camera.Size> sizes = camera.getParameters().getSupportedPreviewSizes();
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Camera.Size temp = sizes.get(0);
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for(int i = 1;i < sizes.size();i ++){
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if(temp.width < sizes.get(i).width)
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temp = sizes.get(i);
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}
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return temp;
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}
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return null;
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}
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public void setDefaultParams() {
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Parameters parameters = mCamera.getParameters();
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if (parameters.getSupportedFocusModes().contains(
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Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
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parameters.setFocusMode(Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
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}
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Camera.Size previewSize = getLargePreviewSize(mCamera);
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parameters.setPreviewSize(previewSize.width, previewSize.height);
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Camera.Size pictureSize = getLargePictureSize(mCamera);
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parameters.setPictureSize(pictureSize.width, pictureSize.height);
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parameters.setRotation(90);
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mCamera.setParameters(parameters);
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}
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public void startPreview(SurfaceTexture surfaceTexture) {
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if (mCamera == null)
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return;
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try {
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mCamera.setPreviewTexture(surfaceTexture);
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mSurfaceTexture = surfaceTexture;
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mCamera.startPreview();
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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public void stopPreview() {
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if (mCamera == null)
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return;
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mCamera.setPreviewCallback(null);
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mCamera.stopPreview();
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}
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public int getOrientation() {
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Camera.CameraInfo cameraInfo = new Camera.CameraInfo();
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Camera.getCameraInfo(mCameraId, cameraInfo);
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return cameraInfo.orientation;
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}
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public Camera.Size getPreviewSize() {
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return mCamera.getParameters().getPreviewSize();
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}
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public boolean isFront() {
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return mCameraId == Camera.CameraInfo.CAMERA_FACING_FRONT;
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}
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}

‎CameraFilter/src/main/java/com/frank/camerafilter/factory/BeautyFilterFactory.java‎

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package com.frank.camerafilter.factory;
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import android.content.Context;
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import com.frank.camerafilter.filter.advance.BeautyCrayonFilter;
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import com.frank.camerafilter.filter.advance.BeautySketchFilter;
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import com.frank.camerafilter.filter.BaseFilter;
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public class BeautyFilterFactory {
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private static BeautyFilterType filterType = BeautyFilterType.NONE;
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public static BaseFilter getFilter(BeautyFilterType type, Context context) {
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filterType = type;
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switch (type) {
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case SKETCH:
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return new BeautySketchFilter(context);
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case CRAYON:
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return new BeautyCrayonFilter(context);
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default:
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return null;
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}
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}
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public static BeautyFilterType getFilterType() {
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return filterType;
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}
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}

‎CameraFilter/src/main/java/com/frank/camerafilter/factory/BeautyFilterType.java‎

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package com.frank.camerafilter.factory;
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public enum BeautyFilterType {
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NONE,
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CRAYON,
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SKETCH
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}

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