├── .gitignore ├── .travis.yml ├── LICENSE ├── README.md ├── app ├── .gitignore ├── build.gradle ├── proguard-rules.pro └── src │ └── main │ ├── AndroidManifest.xml │ ├── java │ └── com │ │ └── manolovn │ │ └── sample │ │ ├── SampleActivity.java │ │ ├── color │ │ └── BrewerColorGenerator.java │ │ ├── exporter │ │ ├── FileUtils.java │ │ └── ImageExporter.java │ │ └── point │ │ └── PointGeneratorFactory.java │ └── res │ ├── layout │ └── activity_main.xml │ ├── mipmap-hdpi │ ├── ic_fullscreen.png │ ├── ic_launcher.png │ └── ic_refresh.png │ ├── mipmap-mdpi │ ├── ic_fullscreen.png │ ├── ic_launcher.png │ └── ic_refresh.png │ ├── mipmap-xhdpi │ ├── ic_fullscreen.png │ ├── ic_launcher.png │ └── ic_refresh.png │ ├── mipmap-xxhdpi │ ├── ic_fullscreen.png │ ├── ic_launcher.png │ └── ic_refresh.png │ ├── mipmap-xxxhdpi │ ├── ic_fullscreen.png │ └── ic_refresh.png │ ├── values-v19 │ └── styles.xml │ └── values │ ├── dimens.xml │ ├── strings.xml │ └── styles.xml ├── art └── 001.png ├── build.gradle ├── config └── checkstyle │ └── checkstyle.xml ├── gradle.properties ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── gradlew ├── gradlew.bat ├── settings.gradle └── trianglify ├── .gitignore ├── build.gradle ├── gradle.properties ├── proguard-rules.pro └── src └── main ├── AndroidManifest.xml ├── java └── com │ └── manolovn │ └── trianglify │ ├── Default.java │ ├── TrianglifyDrawable.java │ ├── TrianglifyView.java │ ├── domain │ ├── Edge.java │ ├── Point.java │ └── Triangle.java │ ├── generator │ ├── color │ │ ├── ColorGenerator.java │ │ └── RandomColorGenerator.java │ └── point │ │ ├── CircularPointGenerator.java │ │ ├── PointGenerator.java │ │ └── RegularPointGenerator.java │ ├── renderer │ ├── PointRenderer.java │ └── TriangleRenderer.java │ ├── triangulator │ ├── DelaunayTriangulator.java │ ├── Triangulation.java │ └── Triangulator.java │ └── util │ ├── ClassUtil.java │ ├── EdgeDistanceComparator.java │ ├── MathUtils.java │ └── Preconditions.java └── res └── values ├── attrs.xml └── strings.xml /.gitignore: -------------------------------------------------------------------------------- 1 | # Built application files 2 | *.apk 3 | *.ap_ 4 | 5 | # Files for the Dalvik VM 6 | *.dex 7 | 8 | # Java class files 9 | *.class 10 | 11 | # Generated files 12 | bin/ 13 | gen/ 14 | 15 | # Gradle files 16 | .gradle/ 17 | build/ 18 | 19 | # Local configuration file (sdk path, etc) 20 | local.properties 21 | 22 | # Proguard folder generated by Eclipse 23 | proguard/ 24 | 25 | # IntelliJ files 26 | .idea 27 | *.iml 28 | 29 | # Maven output folder 30 | target 31 | 32 | # Misc 33 | .DS_Store 34 | Thumbs.db 35 | *.swp 36 | *.bak 37 | -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: android 2 | 3 | android: 4 | components: 5 | - tools 6 | - build-tools-23.0.2 7 | - android-23 8 | - extra-android-support 9 | - extra-google-m2repository 10 | - extra-android-m2repository 11 | 12 | script: 13 | ./gradlew checkstyle build --stacktrace 14 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | Apache License 2 | Version 2.0, January 2004 3 | http://www.apache.org/licenses/ 4 | 5 | TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 6 | 7 | 1. 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We also recommend that a 185 | file or class name and description of purpose be included on the 186 | same "printed page" as the copyright notice for easier 187 | identification within third-party archives. 188 | 189 | Copyright [yyyy] [name of copyright owner] 190 | 191 | Licensed under the Apache License, Version 2.0 (the "License"); 192 | you may not use this file except in compliance with the License. 193 | You may obtain a copy of the License at 194 | 195 | http://www.apache.org/licenses/LICENSE-2.0 196 | 197 | Unless required by applicable law or agreed to in writing, software 198 | distributed under the License is distributed on an "AS IS" BASIS, 199 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 200 | See the License for the specific language governing permissions and 201 | limitations under the License. 202 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | # Trianglify 2 | [![Build Status](https://travis-ci.org/manolovn/trianglify.svg?branch=master)](https://travis-ci.org/manolovn/trianglify) 3 | [![Maven Central](https://img.shields.io/maven-central/v/com.manolovn/trianglify.svg)](https://maven-badges.herokuapp.com/maven-central/com.manolovn/trianglify) 4 | [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-Trianglify-brightgreen.svg?style=flat)](http://android-arsenal.com/details/1/3014) 5 | 6 | Android view inspired by http://qrohlf.com/trianglify/ 7 | 8 | Demo Screenshot 9 | 10 | # Usage 11 | 12 | Add the dependency 13 | 14 | ```groovy 15 | dependencies { 16 | compile 'com.manolovn:trianglify:1.1.0' 17 | } 18 | ``` 19 | 20 | Just add the view to your layout: 21 | 22 | ```xml 23 | 27 | ``` 28 | 29 | Cell size, variance, bleeds, color generator and point generator can be initialized from layout: 30 | 31 | ```xml 32 | 42 | ``` 43 | 44 | or using setters (see sample for more info): 45 | 46 | ```java 47 | trianglifyView.getDrawable().setCellSize(175); 48 | trianglifyView.getDrawable().setVariance(75); 49 | trianglifyView.getDrawable().setColorGenerator(new AnyColorGenerator()); 50 | trianglifyView.getDrawable().setPointGenerator(new AnyPointGenerator()); 51 | ``` 52 | 53 | In the sample, you can find an example of ColorGenerator and an example of how to use differents types of PointGenerator. In the component are included two: RegularPointGenerator (for a grid distribution) and CircularPointGenerator (for a concentric circles distribution). 54 | 55 | # License 56 | 57 | Copyright 2015 Manuel Vera Nieto 58 | 59 | Licensed under the Apache License, Version 2.0 (the "License"); 60 | you may not use this file except in compliance with the License. 61 | You may obtain a copy of the License at 62 | 63 | http://www.apache.org/licenses/LICENSE-2.0 64 | 65 | Unless required by applicable law or agreed to in writing, software 66 | distributed under the License is distributed on an "AS IS" BASIS, 67 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 68 | See the License for the specific language governing permissions and 69 | limitations under the License. 70 | -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 27 5 | buildToolsVersion '26.0.2' 6 | 7 | defaultConfig { 8 | applicationId "com.manolovn.sample" 9 | minSdkVersion 15 10 | targetSdkVersion 27 11 | versionCode 1 12 | versionName "1.0" 13 | } 14 | buildTypes { 15 | release { 16 | minifyEnabled false 17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro' 18 | } 19 | } 20 | lintOptions { 21 | abortOnError false 22 | } 23 | } 24 | 25 | dependencies { 26 | compile 'com.android.support:appcompat-v7:27.0.2' 27 | compile 'com.android.support:design:27.0.2' 28 | compile 'com.jakewharton:butterknife:8.8.1' 29 | annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1' 30 | compile 'com.manolovn:colorbrewer:1.0.1' 31 | compile project(':trianglify') 32 | } 33 | -------------------------------------------------------------------------------- /app/proguard-rules.pro: -------------------------------------------------------------------------------- 1 | # Add project specific ProGuard rules here. 2 | # By default, the flags in this file are appended to flags specified 3 | # in /home/manolo/Android/Sdk/tools/proguard/proguard-android.txt 4 | # You can edit the include path and order by changing the proguardFiles 5 | # directive in build.gradle. 6 | # 7 | # For more details, see 8 | # http://developer.android.com/guide/developing/tools/proguard.html 9 | 10 | # Add any project specific keep options here: 11 | 12 | # If your project uses WebView with JS, uncomment the following 13 | # and specify the fully qualified class name to the JavaScript interface 14 | # class: 15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview { 16 | # public *; 17 | #} 18 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 6 | 7 | 12 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | -------------------------------------------------------------------------------- /app/src/main/java/com/manolovn/sample/SampleActivity.java: -------------------------------------------------------------------------------- 1 | package com.manolovn.sample; 2 | 3 | import android.os.Bundle; 4 | import android.support.v7.app.AppCompatActivity; 5 | import android.view.View; 6 | import android.view.ViewGroup; 7 | import android.widget.AdapterView; 8 | import android.widget.ArrayAdapter; 9 | import android.widget.SeekBar; 10 | import android.widget.Spinner; 11 | import android.widget.Toast; 12 | 13 | import com.manolovn.colorbrewer.ColorBrewer; 14 | import com.manolovn.sample.color.BrewerColorGenerator; 15 | import com.manolovn.sample.exporter.ImageExporter; 16 | import com.manolovn.sample.point.PointGeneratorFactory; 17 | import com.manolovn.sample.point.PointGeneratorFactory.Type; 18 | import com.manolovn.trianglify.TrianglifyView; 19 | 20 | import java.io.IOException; 21 | import java.util.ArrayList; 22 | import java.util.List; 23 | 24 | import butterknife.BindView; 25 | import butterknife.ButterKnife; 26 | import butterknife.OnClick; 27 | 28 | public class SampleActivity extends AppCompatActivity { 29 | 30 | @BindView(R.id.trianglify) 31 | TrianglifyView trianglifyView; 32 | @BindView(R.id.cellSizeControl) 33 | SeekBar cellSizeControl; 34 | @BindView(R.id.varianceControl) 35 | SeekBar varianceControl; 36 | @BindView(R.id.colorControl) 37 | Spinner colorControl; 38 | @BindView(R.id.pointsControl) 39 | Spinner pointsControl; 40 | @BindView(R.id.controlsContainer) 41 | ViewGroup controlsContainer; 42 | 43 | private ImageExporter exporter; 44 | 45 | @Override 46 | protected void onCreate(Bundle savedInstanceState) { 47 | super.onCreate(savedInstanceState); 48 | setContentView(R.layout.activity_main); 49 | ButterKnife.bind(this); 50 | 51 | initCellSizeControl(); 52 | initVarianceControl(); 53 | initColorControl(); 54 | initPointsControl(); 55 | 56 | trianglifyView.setDrawingCacheEnabled(true); 57 | exporter = new ImageExporter(); 58 | } 59 | 60 | @OnClick(R.id.saveToGalleryButton) 61 | void saveToGallery() { 62 | exportViewToImage(); 63 | } 64 | 65 | @OnClick(R.id.toggleFullscreen) 66 | void toggleFullScreen() { 67 | if (controlsContainer.getVisibility() == View.GONE) { 68 | controlsContainer.setVisibility(View.VISIBLE); 69 | } else if (controlsContainer.getVisibility() == View.VISIBLE) { 70 | controlsContainer.setVisibility(View.GONE); 71 | } 72 | } 73 | 74 | private void exportViewToImage() { 75 | try { 76 | exporter.exportFromView(this, trianglifyView); 77 | Toast.makeText(this, R.string.image_generated_success, Toast.LENGTH_SHORT).show(); 78 | } catch (IOException e) { 79 | Toast.makeText(this, R.string.image_generated_failed, Toast.LENGTH_SHORT).show(); 80 | } 81 | } 82 | 83 | private void initCellSizeControl() { 84 | cellSizeControl.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 85 | int progress; 86 | 87 | @Override 88 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 89 | this.progress = progress; 90 | } 91 | 92 | @Override 93 | public void onStartTrackingTouch(SeekBar seekBar) { 94 | 95 | } 96 | 97 | @Override 98 | public void onStopTrackingTouch(SeekBar seekBar) { 99 | if (progress > 0) { 100 | trianglifyView.setDrawingCacheEnabled(false); 101 | trianglifyView.getDrawable().setCellSize(progress * 10); 102 | trianglifyView.setDrawingCacheEnabled(true); 103 | } 104 | } 105 | }); 106 | } 107 | 108 | private void initVarianceControl() { 109 | varianceControl.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 110 | int progress; 111 | 112 | @Override 113 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 114 | this.progress = progress; 115 | } 116 | 117 | @Override 118 | public void onStartTrackingTouch(SeekBar seekBar) { 119 | 120 | } 121 | 122 | @Override 123 | public void onStopTrackingTouch(SeekBar seekBar) { 124 | trianglifyView.setDrawingCacheEnabled(false); 125 | trianglifyView.getDrawable().setVariance(progress + 2); 126 | trianglifyView.setDrawingCacheEnabled(true); 127 | } 128 | }); 129 | } 130 | 131 | private void initColorControl() { 132 | final List list = new ArrayList<>(ColorBrewer.values().length); 133 | final ColorBrewer[] colors = ColorBrewer.values(); 134 | for (ColorBrewer color : colors) { 135 | list.add(color.name()); 136 | } 137 | 138 | ArrayAdapter adapter = 139 | new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, list); 140 | adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); 141 | colorControl.setAdapter(adapter); 142 | 143 | colorControl.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { 144 | @Override 145 | public void onItemSelected(AdapterView parent, View view, int position, long id) { 146 | trianglifyView.setDrawingCacheEnabled(false); 147 | trianglifyView.getDrawable() 148 | .setColorGenerator(new BrewerColorGenerator(colors[position])); 149 | trianglifyView.setDrawingCacheEnabled(true); 150 | } 151 | 152 | @Override 153 | public void onNothingSelected(AdapterView parent) { 154 | 155 | } 156 | }); 157 | } 158 | 159 | private void initPointsControl() { 160 | final List list = new ArrayList<>(Type.values().length); 161 | for (Type type : Type.values()) { 162 | list.add(type.toString()); 163 | } 164 | 165 | ArrayAdapter adapter = 166 | new ArrayAdapter<>(this, android.R.layout.simple_list_item_1, list); 167 | adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item); 168 | pointsControl.setAdapter(adapter); 169 | 170 | pointsControl.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { 171 | @Override 172 | public void onItemSelected(AdapterView parent, View view, int position, long id) { 173 | trianglifyView.setDrawingCacheEnabled(false); 174 | trianglifyView.getDrawable().setPointGenerator( 175 | PointGeneratorFactory.from(list.get(position))); 176 | trianglifyView.setDrawingCacheEnabled(true); 177 | } 178 | 179 | @Override 180 | public void onNothingSelected(AdapterView parent) { 181 | 182 | } 183 | }); 184 | } 185 | } 186 | -------------------------------------------------------------------------------- /app/src/main/java/com/manolovn/sample/color/BrewerColorGenerator.java: -------------------------------------------------------------------------------- 1 | package com.manolovn.sample.color; 2 | 3 | import com.manolovn.colorbrewer.ColorBrewer; 4 | import com.manolovn.trianglify.generator.color.ColorGenerator; 5 | 6 | /** 7 | * Color brewer color generator 8 | * 9 | * @author manolovn 10 | */ 11 | public class BrewerColorGenerator implements ColorGenerator { 12 | 13 | private ColorBrewer palette; 14 | private int index = 0; 15 | private int[] colors; 16 | 17 | public BrewerColorGenerator(ColorBrewer palette) { 18 | this.palette = palette; 19 | } 20 | 21 | public void setCount(int count) { 22 | colors = palette.getColorPalette(count); 23 | index = 0; 24 | } 25 | 26 | @Override 27 | public int nextColor() { 28 | int color = colors[index]; 29 | index++; 30 | return color; 31 | } 32 | } 33 | -------------------------------------------------------------------------------- /app/src/main/java/com/manolovn/sample/exporter/FileUtils.java: -------------------------------------------------------------------------------- 1 | package com.manolovn.sample.exporter; 2 | 3 | import android.content.Context; 4 | import android.content.Intent; 5 | import android.net.Uri; 6 | import android.os.Environment; 7 | 8 | import java.io.File; 9 | 10 | /** 11 | * File Utils 12 | * 13 | * @author manolovn 14 | */ 15 | public class FileUtils { 16 | 17 | private FileUtils() { 18 | 19 | } 20 | 21 | public static File getOrCreateFolder(String folderName) { 22 | File mediaStorageDir = new File( 23 | Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES), 24 | folderName); 25 | if (!mediaStorageDir.exists()) { 26 | if (!mediaStorageDir.mkdirs()) { 27 | return null; 28 | } 29 | } 30 | return mediaStorageDir; 31 | } 32 | 33 | public static void scanForFile(Context context, String path) { 34 | Intent mediaScanIntent = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE); 35 | File f = new File(path); 36 | Uri contentUri = Uri.fromFile(f); 37 | mediaScanIntent.setData(contentUri); 38 | context.sendBroadcast(mediaScanIntent); 39 | } 40 | } 41 | -------------------------------------------------------------------------------- /app/src/main/java/com/manolovn/sample/exporter/ImageExporter.java: -------------------------------------------------------------------------------- 1 | package com.manolovn.sample.exporter; 2 | 3 | import android.content.Context; 4 | import android.graphics.Bitmap; 5 | import android.view.View; 6 | 7 | import java.io.File; 8 | import java.io.FileOutputStream; 9 | import java.io.IOException; 10 | 11 | /** 12 | * Simple image exporter 13 | */ 14 | public class ImageExporter { 15 | 16 | private static final String ALBUM_NAME = "Trianglify"; 17 | 18 | public ImageExporter() { 19 | } 20 | 21 | public void exportFromView(final Context context, final View view) throws IOException { 22 | File folder = FileUtils.getOrCreateFolder(ALBUM_NAME); 23 | 24 | Bitmap bitmap = view.getDrawingCache(true); 25 | 26 | File file = null; 27 | int number = 1; 28 | boolean creating = true; 29 | while (creating) { 30 | String imageName = String.format("%05d", number); 31 | file = new File(folder + "/" + imageName + ".png"); 32 | 33 | if (file.exists()) { 34 | number++; 35 | } else { 36 | creating = false; 37 | } 38 | } 39 | 40 | FileOutputStream fos = new FileOutputStream(file); 41 | bitmap.compress(Bitmap.CompressFormat.PNG, 100, fos); 42 | 43 | fos.flush(); 44 | fos.close(); 45 | 46 | file.createNewFile(); 47 | FileUtils.scanForFile(context, file.getPath()); 48 | } 49 | } 50 | -------------------------------------------------------------------------------- /app/src/main/java/com/manolovn/sample/point/PointGeneratorFactory.java: -------------------------------------------------------------------------------- 1 | package com.manolovn.sample.point; 2 | 3 | import com.manolovn.trianglify.generator.point.CircularPointGenerator; 4 | import com.manolovn.trianglify.generator.point.PointGenerator; 5 | import com.manolovn.trianglify.generator.point.RegularPointGenerator; 6 | 7 | /** 8 | * Point generator factory 9 | * 10 | * @author manolovn 11 | */ 12 | public class PointGeneratorFactory { 13 | 14 | public enum Type { 15 | REGULAR("regular"), 16 | CIRCULAR("circular"); 17 | 18 | Type(String type) { 19 | 20 | } 21 | } 22 | 23 | public static PointGenerator from(String stringType) { 24 | Type type = Type.valueOf(stringType); 25 | switch (type) { 26 | case CIRCULAR: 27 | return new CircularPointGenerator(); 28 | case REGULAR: 29 | default: 30 | return new RegularPointGenerator(); 31 | } 32 | } 33 | } 34 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 6 | 7 | 11 | 12 | 23 | 24 | 28 | 29 | 33 | 34 | 38 | 39 | 43 | 44 | 48 | 49 | 53 | 54 | 58 | 59 | 63 | 64 |