├── .idea ├── .name ├── copyright │ └── profiles_settings.xml ├── vcs.xml ├── modules.xml ├── gradle.xml ├── compiler.xml └── misc.xml ├── app ├── .gitignore ├── src │ ├── main │ │ ├── res │ │ │ ├── mipmap-hdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-mdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xhdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── mipmap-xxhdpi │ │ │ │ └── ic_launcher.png │ │ │ ├── values │ │ │ │ ├── styles.xml │ │ │ │ ├── colors.xml │ │ │ │ ├── strings.xml │ │ │ │ └── dimens.xml │ │ │ ├── layout │ │ │ │ ├── activity_main.xml │ │ │ │ ├── frag_bmp_merge_center.xml │ │ │ │ ├── frag_bmp_merge_angle.xml │ │ │ │ └── frag_bmp_merge_offset.xml │ │ │ ├── drawable │ │ │ │ └── round_rectangle_white.xml │ │ │ └── menu │ │ │ │ └── menu_main.xml │ │ ├── AndroidManifest.xml │ │ └── java │ │ │ └── com │ │ │ └── cooltechworks │ │ │ └── bitmapmerger │ │ │ ├── MainActivity.java │ │ │ ├── ui │ │ │ └── fragments │ │ │ │ ├── BitmapCenterFragment.java │ │ │ │ ├── BitmapAngleFragment.java │ │ │ │ └── BitmapOffsetFragment.java │ │ │ └── tasks │ │ │ ├── BitmapMergerTask.java │ │ │ └── BitmapDecoderTask.java │ └── androidTest │ │ └── java │ │ └── com │ │ └── cooltechworks │ │ └── bitmapmerger │ │ └── ApplicationTest.java ├── build.gradle ├── proguard-rules.pro └── app.iml ├── settings.gradle ├── gradle └── wrapper │ ├── gradle-wrapper.jar │ └── gradle-wrapper.properties ├── .gitignore ├── .travis.yml ├── gradle.properties ├── BitmapMerger.iml ├── LICENSE.txt ├── gradlew.bat ├── README.md └── gradlew /.idea/.name: -------------------------------------------------------------------------------- 1 | BitmapMerger -------------------------------------------------------------------------------- /app/.gitignore: -------------------------------------------------------------------------------- 1 | /build 2 | -------------------------------------------------------------------------------- /settings.gradle: -------------------------------------------------------------------------------- 1 | include ':app' 2 | -------------------------------------------------------------------------------- /.idea/copyright/profiles_settings.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.jar: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sharish/BitmapMerger/HEAD/gradle/wrapper/gradle-wrapper.jar -------------------------------------------------------------------------------- /.gitignore: -------------------------------------------------------------------------------- 1 | .gradle 2 | /local.properties 3 | /.idea/workspace.xml 4 | /.idea/libraries 5 | .DS_Store 6 | /build 7 | /captures 8 | -------------------------------------------------------------------------------- /app/src/main/res/mipmap-hdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sharish/BitmapMerger/HEAD/app/src/main/res/mipmap-hdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-mdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sharish/BitmapMerger/HEAD/app/src/main/res/mipmap-mdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sharish/BitmapMerger/HEAD/app/src/main/res/mipmap-xhdpi/ic_launcher.png -------------------------------------------------------------------------------- /app/src/main/res/mipmap-xxhdpi/ic_launcher.png: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/sharish/BitmapMerger/HEAD/app/src/main/res/mipmap-xxhdpi/ic_launcher.png -------------------------------------------------------------------------------- /.idea/vcs.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | -------------------------------------------------------------------------------- /app/src/main/res/values/styles.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /gradle/wrapper/gradle-wrapper.properties: -------------------------------------------------------------------------------- 1 | #Wed Apr 10 15:27:10 PDT 2013 2 | distributionBase=GRADLE_USER_HOME 3 | distributionPath=wrapper/dists 4 | zipStoreBase=GRADLE_USER_HOME 5 | zipStorePath=wrapper/dists 6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.2.1-all.zip 7 | -------------------------------------------------------------------------------- /app/src/main/res/values/colors.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | #008000 5 | #e4ecfb 6 | #3f51b5 7 | #9c27b0 8 | 9 | -------------------------------------------------------------------------------- /.idea/modules.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | -------------------------------------------------------------------------------- /app/src/main/res/layout/activity_main.xml: -------------------------------------------------------------------------------- 1 | 5 | 6 | 12 | 13 | 14 | -------------------------------------------------------------------------------- /app/src/androidTest/java/com/cooltechworks/bitmapmerger/ApplicationTest.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger; 2 | 3 | import android.app.Application; 4 | import android.test.ApplicationTestCase; 5 | 6 | /** 7 | * Testing Fundamentals 8 | */ 9 | public class ApplicationTest extends ApplicationTestCase { 10 | public ApplicationTest() { 11 | super(Application.class); 12 | } 13 | } -------------------------------------------------------------------------------- /.travis.yml: -------------------------------------------------------------------------------- 1 | language: android 2 | jdk: 3 | - oraclejdk7 4 | - oraclejdk8 5 | android: 6 | components: 7 | - build-tools-22.0.1 8 | - android-22 9 | - extra-android-support 10 | - extra-android-m2repository 11 | licenses: 12 | - '.+' 13 | 14 | before_install: 15 | - export JAVA7_HOME=/usr/lib/jvm/java-7-oracle 16 | - export JAVA8_HOME=/usr/lib/jvm/java-8-oracle 17 | - export JAVA_HOME=$JAVA7_HOME 18 | script: 19 | - ./gradlew clean assemble || ./gradlew clean assemble 20 | -------------------------------------------------------------------------------- /app/src/main/res/values/strings.xml: -------------------------------------------------------------------------------- 1 | 2 | Bitmap Merger Demo 3 | 4 | Merging with angle away from axis 5 | Merging at center 6 | 7 | Scale factor: %.2f 8 | Angle : %d 9 | From Left: %d px 10 | From Top: %d px 11 | Merging with offsets 12 | 13 | 14 | -------------------------------------------------------------------------------- /.idea/gradle.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 17 | 18 | -------------------------------------------------------------------------------- /app/build.gradle: -------------------------------------------------------------------------------- 1 | apply plugin: 'com.android.application' 2 | 3 | android { 4 | compileSdkVersion 22 5 | buildToolsVersion "22.0.1" 6 | 7 | defaultConfig { 8 | applicationId "com.cooltechworks.bitmapmerger" 9 | minSdkVersion 9 10 | targetSdkVersion 22 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 | } 21 | 22 | dependencies { 23 | compile fileTree(dir: 'libs', include: ['*.jar']) 24 | compile 'com.android.support:appcompat-v7:22.1.1' 25 | } 26 | -------------------------------------------------------------------------------- /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 /Users/sharish/Library/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 | -------------------------------------------------------------------------------- /.idea/compiler.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | -------------------------------------------------------------------------------- /app/src/main/AndroidManifest.xml: -------------------------------------------------------------------------------- 1 | 2 | 4 | 5 | 10 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | -------------------------------------------------------------------------------- /app/src/main/res/drawable/round_rectangle_white.xml: -------------------------------------------------------------------------------- 1 | 2 | 9 | 11 | 16 | 18 | 19 | -------------------------------------------------------------------------------- /app/src/main/res/menu/menu_main.xml: -------------------------------------------------------------------------------- 1 | 5 | 10 | 15 | 16 | 21 | 22 | -------------------------------------------------------------------------------- /gradle.properties: -------------------------------------------------------------------------------- 1 | # Project-wide Gradle settings. 2 | 3 | # IDE (e.g. Android Studio) users: 4 | # Gradle settings configured through the IDE *will override* 5 | # any settings specified in this file. 6 | 7 | # For more details on how to configure your build environment visit 8 | # http://www.gradle.org/docs/current/userguide/build_environment.html 9 | 10 | # Specifies the JVM arguments used for the daemon process. 11 | # The setting is particularly useful for tweaking memory settings. 12 | # Default value: -Xmx10248m -XX:MaxPermSize=256m 13 | # org.gradle.jvmargs=-Xmx2048m -XX:MaxPermSize=512m -XX:+HeapDumpOnOutOfMemoryError -Dfile.encoding=UTF-8 14 | 15 | # When configured, Gradle will run in incubating parallel mode. 16 | # This option should only be used with decoupled projects. More details, visit 17 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects 18 | # org.gradle.parallel=true -------------------------------------------------------------------------------- /BitmapMerger.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | -------------------------------------------------------------------------------- /.idea/misc.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 22 | -------------------------------------------------------------------------------- /LICENSE.txt: -------------------------------------------------------------------------------- 1 | The MIT License (MIT) 2 | 3 | Copyright (c) 2015 cooltechworks 4 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy 6 | of this software and associated documentation files (the "Software"), to deal 7 | in the Software without restriction, including without limitation the rights 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 9 | copies of the Software, and to permit persons to whom the Software is 10 | furnished to do so, subject to the following conditions: 11 | 12 | The above copyright notice and this permission notice shall be included in all 13 | copies or substantial portions of the Software. 14 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 | SOFTWARE. 22 | -------------------------------------------------------------------------------- /app/src/main/res/values/dimens.xml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 16dp 4 | 16dp 5 | 6 | 5dp 7 | 10dp 8 | 20dp 9 | 25dp 10 | 30dp 11 | 12 | -5dp 13 | -10dp 14 | -20dp 15 | -25dp 16 | -30dp 17 | 18 | 18sp 19 | 20sp 20 | 24sp 21 | 28sp 22 | 32sp 23 | 24 | 25 | 26 | 27 | 8dp 28 | 5dp 29 | 3px 30 | 31 | 32 | 33 | -------------------------------------------------------------------------------- /gradlew.bat: -------------------------------------------------------------------------------- 1 | @if "%DEBUG%" == "" @echo off 2 | @rem ########################################################################## 3 | @rem 4 | @rem Gradle startup script for Windows 5 | @rem 6 | @rem ########################################################################## 7 | 8 | @rem Set local scope for the variables with windows NT shell 9 | if "%OS%"=="Windows_NT" setlocal 10 | 11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 12 | set DEFAULT_JVM_OPTS= 13 | 14 | set DIRNAME=%~dp0 15 | if "%DIRNAME%" == "" set DIRNAME=. 16 | set APP_BASE_NAME=%~n0 17 | set APP_HOME=%DIRNAME% 18 | 19 | @rem Find java.exe 20 | if defined JAVA_HOME goto findJavaFromJavaHome 21 | 22 | set JAVA_EXE=java.exe 23 | %JAVA_EXE% -version >NUL 2>&1 24 | if "%ERRORLEVEL%" == "0" goto init 25 | 26 | echo. 27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 28 | echo. 29 | echo Please set the JAVA_HOME variable in your environment to match the 30 | echo location of your Java installation. 31 | 32 | goto fail 33 | 34 | :findJavaFromJavaHome 35 | set JAVA_HOME=%JAVA_HOME:"=% 36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe 37 | 38 | if exist "%JAVA_EXE%" goto init 39 | 40 | echo. 41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME% 42 | echo. 43 | echo Please set the JAVA_HOME variable in your environment to match the 44 | echo location of your Java installation. 45 | 46 | goto fail 47 | 48 | :init 49 | @rem Get command-line arguments, handling Windowz variants 50 | 51 | if not "%OS%" == "Windows_NT" goto win9xME_args 52 | if "%@eval[2+2]" == "4" goto 4NT_args 53 | 54 | :win9xME_args 55 | @rem Slurp the command line arguments. 56 | set CMD_LINE_ARGS= 57 | set _SKIP=2 58 | 59 | :win9xME_args_slurp 60 | if "x%~1" == "x" goto execute 61 | 62 | set CMD_LINE_ARGS=%* 63 | goto execute 64 | 65 | :4NT_args 66 | @rem Get arguments from the 4NT Shell from JP Software 67 | set CMD_LINE_ARGS=%$ 68 | 69 | :execute 70 | @rem Setup the command line 71 | 72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar 73 | 74 | @rem Execute Gradle 75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS% 76 | 77 | :end 78 | @rem End local scope for the variables with windows NT shell 79 | if "%ERRORLEVEL%"=="0" goto mainEnd 80 | 81 | :fail 82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of 83 | rem the _cmd.exe /c_ return code! 84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1 85 | exit /b 1 86 | 87 | :mainEnd 88 | if "%OS%"=="Windows_NT" endlocal 89 | 90 | :omega 91 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/MainActivity.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger; 2 | 3 | import android.os.Bundle; 4 | import android.support.v4.app.Fragment; 5 | import android.support.v7.app.AppCompatActivity; 6 | import android.view.Menu; 7 | import android.view.MenuItem; 8 | 9 | import com.cooltechworks.bitmapmerger.tasks.BitmapMergerTask; 10 | import com.cooltechworks.bitmapmerger.ui.fragments.BitmapAngleFragment; 11 | import com.cooltechworks.bitmapmerger.ui.fragments.BitmapCenterFragment; 12 | import com.cooltechworks.bitmapmerger.ui.fragments.BitmapOffsetFragment; 13 | 14 | 15 | public class MainActivity extends AppCompatActivity { 16 | 17 | @Override 18 | protected void onCreate(Bundle savedInstanceState) { 19 | super.onCreate(savedInstanceState); 20 | setContentView(R.layout.activity_main); 21 | showFragment(BitmapMergerTask.BitmapMergeOptions.MERGE_AT_CENTER); 22 | } 23 | 24 | @Override 25 | public boolean onCreateOptionsMenu(Menu menu) { 26 | // Inflate the menu; this adds items to the action bar if it is present. 27 | getMenuInflater().inflate(R.menu.menu_main, menu); 28 | return true; 29 | } 30 | 31 | @Override 32 | public boolean onOptionsItemSelected(MenuItem item) { 33 | // Handle action bar item clicks here. The action bar will 34 | // automatically handle clicks on the Home/Up button, so long 35 | // as you specify a parent activity in AndroidManifest.xml. 36 | int id = item.getItemId(); 37 | 38 | switch (id) { 39 | case R.id.action_angle: 40 | showFragment(BitmapMergerTask.BitmapMergeOptions.MERGE_AT_ANGLE_OFF); 41 | break; 42 | case R.id.action_offset: 43 | showFragment(BitmapMergerTask.BitmapMergeOptions.MERGE_FROM_TOP_LEFT); 44 | break; 45 | case R.id.action_center: 46 | showFragment(BitmapMergerTask.BitmapMergeOptions.MERGE_AT_CENTER); 47 | } 48 | 49 | return super.onOptionsItemSelected(item); 50 | } 51 | 52 | private void showFragment(BitmapMergerTask.BitmapMergeOptions mergeOptions) { 53 | 54 | Fragment fragment; 55 | 56 | switch (mergeOptions) { 57 | case MERGE_AT_ANGLE_OFF: 58 | fragment = new BitmapAngleFragment(); 59 | break; 60 | case MERGE_FROM_TOP_LEFT: 61 | fragment = new BitmapOffsetFragment(); 62 | break; 63 | default: 64 | fragment = new BitmapCenterFragment(); 65 | } 66 | 67 | getSupportFragmentManager().beginTransaction().replace(R.id.fragment_container, fragment).commit(); 68 | 69 | 70 | } 71 | 72 | 73 | } 74 | -------------------------------------------------------------------------------- /app/src/main/res/layout/frag_bmp_merge_center.xml: -------------------------------------------------------------------------------- 1 | 5 | 6 | 11 | 12 | 13 | 22 | 23 | 24 | 29 | 30 | 39 | 40 | 41 | 51 | 52 | 53 | 54 | 62 | 63 | 64 | 74 | 75 | 79 | 80 | 90 | 91 | 92 | 93 | 94 | 95 | 96 | 97 | -------------------------------------------------------------------------------- /app/src/main/res/layout/frag_bmp_merge_angle.xml: -------------------------------------------------------------------------------- 1 | 5 | 6 | 11 | 12 | 13 | 22 | 23 | 24 | 29 | 30 | 39 | 40 | 41 | 51 | 52 | 53 | 54 | 59 | 60 | 68 | 69 | 79 | 80 | 81 | 82 | 90 | 91 | 92 | 102 | 103 | 107 | 108 | 118 | 119 | 120 | 121 | 122 | 123 | 124 | 125 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | 2 | [![Android Arsenal](https://img.shields.io/badge/Android%20Arsenal-BitmapMerger-green.svg?style=flat)](https://android-arsenal.com/details/1/2085) [![Travis CI](https://api.travis-ci.org/cooltechworks/BitmapMerger.svg?branch=master)](https://travis-ci.org/cooltechworks/BitmapMerger/) 3 | 4 | 5 | # BitmapMerger 6 | Bitmap Merger is a simple project help you to merge two bitmaps without memory exceptions. The bitmaps are processed in background threads thereby taking the 7 | load away from UI thread. Along with merge, it also contains the image decoder for decoding images from resources/disk and are sampled 8 | to prevent OutOfMemoryError. 9 | 10 | Examples of Bitmap Merger with this project 11 | 12 | Merging at angle away | Merging at center | Merging with offsets 13 | ------------ | ------------- | ------------- 14 | ![merge_angle_small](https://cloud.githubusercontent.com/assets/13122232/8438305/9f7c2644-1f82-11e5-8f51-25ba7cca0711.gif) | ![merge_at_center_small](https://cloud.githubusercontent.com/assets/13122232/8438306/9f83ee9c-1f82-11e5-8734-954a13f1b2f2.gif) | ![merge_offset_small](https://cloud.githubusercontent.com/assets/13122232/8438307/9f8d7c78-1f82-11e5-8d77-7fb9f31dfd6f.gif) 15 | Moon moving around the earth for various angles | Stamp at center of the document being scaled | Balloon flying in a beach with various offset values 16 | 17 | 18 | ###Usage : 19 | 20 | ####Merging at angle away 21 | 22 | ```java 23 | int angle = 90; // your angle here 24 | float scale = 0.5f; // scaling option for merging the image 25 | Bitmap baseBitmap; // your base bitmap here 26 | Bitmap mergeBitmap; // your merging bitmap here 27 | ImageView imgView; // your image view for displaying the merged bitmaps. 28 | BitmapMergerTask task = new BitmapMergerTask(); 29 | task.setBaseBitmap(baseBitmap) 30 | .setMergeBitmap(mergeBitmap) 31 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 32 | @Override 33 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 34 | if(imgView != null) { 35 | imgView.setImageBitmap(mergedBitmap); 36 | } 37 | } 38 | }) 39 | .setScale(scale) 40 | .setAngle(angle) 41 | .merge(); 42 | 43 | ``` 44 | 45 | ####Merging at center 46 | 47 | ```java 48 | float scale = 0.5f; // scaling option for merging the image 49 | Bitmap baseBitmap; // your base bitmap here 50 | Bitmap mergeBitmap; // your merging bitmap here 51 | ImageView imgView; // your image view for displaying the merged bitmaps. 52 | BitmapMergerTask task = new BitmapMergerTask(); 53 | task.setBaseBitmap(baseBitmap) 54 | .setMergeBitmap(mergeBitmap) 55 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 56 | @Override 57 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 58 | if(imgView != null) { 59 | imgView.setImageBitmap(mergedBitmap); 60 | } 61 | } 62 | }) 63 | .setScale(scale) 64 | .merge(); 65 | 66 | ``` 67 | 68 | ####Merging with offsets from top left 69 | 70 | ```java 71 | int leftOffset = 0; // your left offset in pixels 72 | int topOffset = 0; // your top offset in pixels 73 | float scale = 0.5f; // scaling option for merging the image 74 | Bitmap baseBitmap; // your base bitmap here 75 | Bitmap mergeBitmap; // your merging bitmap here 76 | ImageView imgView; // your image view for displaying the merged bitmaps. 77 | BitmapMergerTask task = new BitmapMergerTask(); 78 | task.setBaseBitmap(baseBitmap) 79 | .setMergeBitmap(mergeBitmap) 80 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 81 | @Override 82 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 83 | if(imgView != null) { 84 | imgView.setImageBitmap(mergedBitmap); 85 | } 86 | } 87 | }) 88 | .setScale(scale) 89 | .setOffsets(leftOffset,topOffset) 90 | .merge(); 91 | 92 | ``` 93 | 94 | Developed By 95 | ============ 96 | 97 | * Harish Sridharan - 98 | 99 | 100 | 101 | 102 | 103 | -------------------------------------------------------------------------------- /gradlew: -------------------------------------------------------------------------------- 1 | #!/usr/bin/env bash 2 | 3 | ############################################################################## 4 | ## 5 | ## Gradle start up script for UN*X 6 | ## 7 | ############################################################################## 8 | 9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script. 10 | DEFAULT_JVM_OPTS="" 11 | 12 | APP_NAME="Gradle" 13 | APP_BASE_NAME=`basename "$0"` 14 | 15 | # Use the maximum available, or set MAX_FD != -1 to use that value. 16 | MAX_FD="maximum" 17 | 18 | warn ( ) { 19 | echo "$*" 20 | } 21 | 22 | die ( ) { 23 | echo 24 | echo "$*" 25 | echo 26 | exit 1 27 | } 28 | 29 | # OS specific support (must be 'true' or 'false'). 30 | cygwin=false 31 | msys=false 32 | darwin=false 33 | case "`uname`" in 34 | CYGWIN* ) 35 | cygwin=true 36 | ;; 37 | Darwin* ) 38 | darwin=true 39 | ;; 40 | MINGW* ) 41 | msys=true 42 | ;; 43 | esac 44 | 45 | # For Cygwin, ensure paths are in UNIX format before anything is touched. 46 | if $cygwin ; then 47 | [ -n "$JAVA_HOME" ] && JAVA_HOME=`cygpath --unix "$JAVA_HOME"` 48 | fi 49 | 50 | # Attempt to set APP_HOME 51 | # Resolve links: $0 may be a link 52 | PRG="$0" 53 | # Need this for relative symlinks. 54 | while [ -h "$PRG" ] ; do 55 | ls=`ls -ld "$PRG"` 56 | link=`expr "$ls" : '.*-> $.*$$'` 57 | if expr "$link" : '/.*' > /dev/null; then 58 | PRG="$link" 59 | else 60 | PRG=`dirname "$PRG"`"/$link" 61 | fi 62 | done 63 | SAVED="`pwd`" 64 | cd "`dirname \"$PRG\"`/" >&- 65 | APP_HOME="`pwd -P`" 66 | cd "$SAVED" >&- 67 | 68 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar 69 | 70 | # Determine the Java command to use to start the JVM. 71 | if [ -n "$JAVA_HOME" ] ; then 72 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then 73 | # IBM's JDK on AIX uses strange locations for the executables 74 | JAVACMD="$JAVA_HOME/jre/sh/java" 75 | else 76 | JAVACMD="$JAVA_HOME/bin/java" 77 | fi 78 | if [ ! -x "$JAVACMD" ] ; then 79 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME 80 | 81 | Please set the JAVA_HOME variable in your environment to match the 82 | location of your Java installation." 83 | fi 84 | else 85 | JAVACMD="java" 86 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH. 87 | 88 | Please set the JAVA_HOME variable in your environment to match the 89 | location of your Java installation." 90 | fi 91 | 92 | # Increase the maximum file descriptors if we can. 93 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then 94 | MAX_FD_LIMIT=`ulimit -H -n` 95 | if [ $? -eq 0 ] ; then 96 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then 97 | MAX_FD="$MAX_FD_LIMIT" 98 | fi 99 | ulimit -n $MAX_FD 100 | if [ $? -ne 0 ] ; then 101 | warn "Could not set maximum file descriptor limit: $MAX_FD" 102 | fi 103 | else 104 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT" 105 | fi 106 | fi 107 | 108 | # For Darwin, add options to specify how the application appears in the dock 109 | if $darwin; then 110 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\"" 111 | fi 112 | 113 | # For Cygwin, switch paths to Windows format before running java 114 | if $cygwin ; then 115 | APP_HOME=`cygpath --path --mixed "$APP_HOME"` 116 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"` 117 | 118 | # We build the pattern for arguments to be converted via cygpath 119 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null` 120 | SEP="" 121 | for dir in $ROOTDIRSRAW ; do 122 | ROOTDIRS="$ROOTDIRS$SEP$dir" 123 | SEP="|" 124 | done 125 | OURCYGPATTERN="(^($ROOTDIRS))" 126 | # Add a user-defined pattern to the cygpath arguments 127 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then 128 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)" 129 | fi 130 | # Now convert the arguments - kludge to limit ourselves to /bin/sh 131 | i=0 132 | for arg in "$@" ; do 133 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -` 134 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option 135 | 136 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition 137 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"` 138 | else 139 | eval `echo args$i`="\"$arg\"" 140 | fi 141 | i=$((i+1)) 142 | done 143 | case $i in 144 | (0) set -- ;; 145 | (1) set -- "$args0" ;; 146 | (2) set -- "$args0" "$args1" ;; 147 | (3) set -- "$args0" "$args1" "$args2" ;; 148 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;; 149 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;; 150 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;; 151 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;; 152 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;; 153 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;; 154 | esac 155 | fi 156 | 157 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules 158 | function splitJvmOpts() { 159 | JVM_OPTS=("$@") 160 | } 161 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS 162 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME" 163 | 164 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@" 165 | -------------------------------------------------------------------------------- /app/src/main/res/layout/frag_bmp_merge_offset.xml: -------------------------------------------------------------------------------- 1 | 5 | 6 | 11 | 12 | 13 | 22 | 23 | 28 | 29 | 30 | 35 | 36 | 45 | 46 | 47 | 56 | 57 | 58 | 59 | 64 | 65 | 74 | 75 | 76 | 86 | 87 | 88 | 89 | 90 | 95 | 96 | 103 | 104 | 114 | 115 | 116 | 117 | 125 | 126 | 127 | 137 | 138 | 142 | 143 | 153 | 154 | 155 | 156 | 157 | 158 | 159 | 160 | -------------------------------------------------------------------------------- /app/app.iml: -------------------------------------------------------------------------------- 1 | 2 | 3 | 4 | 5 | 6 | 8 | 9 | 10 | 11 | 25 | 26 | 27 | 28 | 29 | 30 | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 | 46 | 47 | 48 | 49 | 50 | 51 | 52 | 53 | 54 | 55 | 56 | 57 | 58 | 59 | 60 | 61 | 62 | 63 | 64 | 65 | 66 | 67 | 68 | 69 | 70 | 71 | 72 | 73 | 74 | 75 | 76 | 77 | 78 | 79 | 80 | 81 | 82 | 83 | 84 | 85 | 86 | 87 | 88 | 89 | 90 | 91 | 92 | 93 | 94 | 95 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/ui/fragments/BitmapCenterFragment.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger.ui.fragments; 2 | 3 | import android.app.Activity; 4 | import android.content.Intent; 5 | import android.graphics.Bitmap; 6 | import android.net.Uri; 7 | import android.os.Bundle; 8 | import android.support.v4.app.Fragment; 9 | import android.view.LayoutInflater; 10 | import android.view.View; 11 | import android.view.ViewGroup; 12 | import android.widget.ImageView; 13 | import android.widget.SeekBar; 14 | import android.widget.TextView; 15 | 16 | import com.cooltechworks.bitmapmerger.R; 17 | import com.cooltechworks.bitmapmerger.tasks.BitmapDecoderTask; 18 | import com.cooltechworks.bitmapmerger.tasks.BitmapMergerTask; 19 | 20 | 21 | public class BitmapCenterFragment extends Fragment { 22 | 23 | 24 | private static final int SELECT_PHOTO_1 = 1; 25 | private static final int SELECT_PHOTO_2 = 2; 26 | 27 | private Bitmap mBaseBitmap, mMergeBitmap; 28 | private float mScale = 0.5f; 29 | 30 | private BitmapMergerTask mBitmapMergerTask; 31 | 32 | private View mRootView; 33 | 34 | 35 | @Override 36 | public View onCreateView(LayoutInflater inflater, ViewGroup root,Bundle savedInstanceState) { 37 | 38 | 39 | mRootView = inflater.inflate(R.layout.frag_bmp_merge_center,root,false); 40 | 41 | View.OnClickListener listener = new View.OnClickListener() { 42 | @Override 43 | public void onClick(View v) { 44 | 45 | Intent photoPickerIntent = new Intent(Intent.ACTION_PICK); 46 | photoPickerIntent.setType("image/*"); 47 | 48 | switch (v.getId()) { 49 | case R.id.base_image_label: 50 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_1); 51 | break; 52 | case R.id.merge_image_label: 53 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_2); 54 | break; 55 | 56 | } 57 | } 58 | }; 59 | 60 | View baseLabelView = mRootView.findViewById(R.id.base_image_label); 61 | View mergeLabelView = mRootView.findViewById(R.id.merge_image_label); 62 | 63 | baseLabelView.setOnClickListener(listener); 64 | mergeLabelView.setOnClickListener(listener); 65 | 66 | SeekBar seekBar = (SeekBar) mRootView.findViewById(R.id.scale_size); 67 | seekBar.setProgress((int) (mScale * 100)); 68 | 69 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 70 | 71 | 72 | seekBar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 73 | @Override 74 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 75 | mScale = progress / 100f; 76 | 77 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 78 | refresh(); 79 | 80 | } 81 | 82 | @Override 83 | public void onStartTrackingTouch(SeekBar seekBar) { 84 | 85 | } 86 | 87 | @Override 88 | public void onStopTrackingTouch(SeekBar seekBar) { 89 | 90 | } 91 | }); 92 | 93 | refresh(); 94 | 95 | return mRootView; 96 | 97 | } 98 | 99 | public void refresh() { 100 | 101 | final ImageView imgView = (ImageView) mRootView.findViewById(R.id.image_holder); 102 | 103 | TextView baseLabelTextView = (TextView) mRootView.findViewById(R.id.base_image_label); 104 | TextView mergeLabelTextView = (TextView) mRootView.findViewById(R.id.merge_image_label); 105 | 106 | 107 | if (mMergeBitmap != null && mBaseBitmap != null) { 108 | 109 | //// If you're working with larger bitmaps and continuously changing the scale value, you might notice the lag between slider change 110 | //// and the image position. To get rid of that, uncomment the following codes. 111 | // if (mBitmapMergerTask != null && mBitmapMergerTask.getStatus() == BitmapMergerTask.Status.RUNNING) { 112 | // mBitmapMergerTask.cancel(true); 113 | // } 114 | 115 | 116 | mBitmapMergerTask = new BitmapMergerTask(); 117 | mBitmapMergerTask.setBaseBitmap(mBaseBitmap) 118 | .setMergeBitmap(mMergeBitmap) 119 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 120 | @Override 121 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 122 | imgView.setImageBitmap(mergedBitmap); 123 | } 124 | }) 125 | .setScale(mScale) 126 | .merge(); 127 | 128 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 129 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 130 | 131 | 132 | } 133 | else { 134 | 135 | // if the first bitmap was null, highlight base bitmap text view, otherwise highlight the merge bitmap text view 136 | if(mBaseBitmap != null) { 137 | imgView.setImageBitmap(mBaseBitmap); 138 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 139 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 140 | } 141 | else { 142 | baseLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 143 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 144 | } 145 | 146 | } 147 | 148 | } 149 | 150 | @Override 151 | public void onActivityResult(final int requestCode, int resultCode, Intent imageReturnedIntent) { 152 | super.onActivityResult(requestCode, resultCode, imageReturnedIntent); 153 | 154 | switch (requestCode) { 155 | case SELECT_PHOTO_1: 156 | case SELECT_PHOTO_2: 157 | if (resultCode == Activity.RESULT_OK) { 158 | final Uri imageUri = imageReturnedIntent.getData(); 159 | 160 | int dimens[] = getDimens(R.id.image_holder); 161 | 162 | new BitmapDecoderTask() 163 | .setDecodingImageReference(imageUri, getActivity().getContentResolver()) 164 | .setRequiredWidth(dimens[0]) 165 | .setRequiredHeight(dimens[1]) 166 | .setListener(new BitmapDecoderTask.OnDecodeListener() { 167 | @Override 168 | public void onDecode(BitmapDecoderTask task, Bitmap bitmap) { 169 | 170 | if (requestCode == SELECT_PHOTO_1) { 171 | 172 | mBaseBitmap = bitmap; 173 | 174 | } else { 175 | 176 | mMergeBitmap = bitmap; 177 | 178 | } 179 | refresh(); 180 | } 181 | }) 182 | .decode(); 183 | 184 | } 185 | } 186 | } 187 | 188 | 189 | public int[] getDimens(int resId) { 190 | int width = mRootView.findViewById(resId).getMeasuredWidth(); 191 | int height = mRootView.findViewById(resId).getMeasuredHeight(); 192 | 193 | return new int[]{width, height}; 194 | 195 | } 196 | 197 | } 198 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/tasks/BitmapMergerTask.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger.tasks; 2 | 3 | import android.graphics.Bitmap; 4 | import android.graphics.Canvas; 5 | import android.graphics.Paint; 6 | import android.os.AsyncTask; 7 | 8 | /** 9 | * Created by Harish Sridharan on 29/06/15. 10 | */ 11 | 12 | 13 | /** 14 | * BitmapMergerTask is background asynchronous task merging two bitmaps by placing one bitmap (called mergeBitmap) 15 | * over another (called baseBitmap). 16 | * 17 | * Merging can be done in three ways, 18 | * 19 | * 1. Merging at the center (along with resize options) 20 | * 2. Merging at an angle away from the axis of the image at center point 21 | * 3. Merging the bitmaps with offsets from top left corner. 22 | */ 23 | public class BitmapMergerTask extends AsyncTask { 24 | 25 | class BitmapMergerTaskException extends RuntimeException { 26 | BitmapMergerTaskException(String msg) { 27 | super(msg); 28 | } 29 | } 30 | 31 | @Override 32 | protected Bitmap doInBackground(Void... params) { 33 | 34 | if(mBaseBitmap == null) { 35 | throw new BitmapMergerTaskException("Base bitmap not set"); 36 | } 37 | 38 | if(mMergeBitmap == null) { 39 | throw new BitmapMergerTaskException("Merge bitmap not set"); 40 | } 41 | 42 | switch (mMergeOptions) { 43 | 44 | case MERGE_AT_ANGLE_OFF: 45 | return mergeAtAngle(); 46 | case MERGE_FROM_TOP_LEFT: 47 | return mergeFromTopLeft(); 48 | default: 49 | return mergeAtCenter(); 50 | } 51 | } 52 | 53 | public void onPostExecute(Bitmap bitmap) { 54 | if(mMergeListener != null) { 55 | mMergeListener.onMerge(this,bitmap); 56 | } 57 | } 58 | 59 | public interface OnMergeListener { 60 | void onMerge(BitmapMergerTask task, Bitmap mergedBitmap); 61 | } 62 | 63 | public enum BitmapMergeOptions { 64 | MERGE_AT_CENTER, 65 | MERGE_AT_ANGLE_OFF, 66 | MERGE_FROM_TOP_LEFT, 67 | } 68 | 69 | private Bitmap mBaseBitmap; 70 | private Bitmap mMergeBitmap; 71 | private float mScale = 0.5f; 72 | private int mAngle = 0; 73 | private int mTopOffset = 0; 74 | private int mLeftOffset = 0; 75 | private BitmapMergeOptions mMergeOptions = BitmapMergeOptions.MERGE_AT_CENTER; 76 | private OnMergeListener mMergeListener; 77 | 78 | 79 | /** 80 | * Sets the scaling of the merge image. 81 | * @param scale - float value from 0.0 to 1.0 represents the scale. 82 | * @return the related BitmapMergerTask 83 | */ 84 | public BitmapMergerTask setScale(float scale) { 85 | this.mScale = scale; 86 | return this; 87 | } 88 | 89 | /** 90 | * Sets the base bitmap image. 91 | * @param mBaseBitmap - base bitmap 92 | * @return the related BitmapMergerTask 93 | */ 94 | public BitmapMergerTask setBaseBitmap(Bitmap mBaseBitmap) { 95 | this.mBaseBitmap = mBaseBitmap; 96 | return this; 97 | } 98 | 99 | /** 100 | * Sets the merge bitmap image. 101 | * @param mMergeBitmap - merging bitmap image. 102 | * @return the related BitmapMergerTask 103 | */ 104 | public BitmapMergerTask setMergeBitmap(Bitmap mMergeBitmap) { 105 | this.mMergeBitmap = mMergeBitmap; 106 | return this; 107 | } 108 | 109 | /** 110 | * Sets the merging offset points. Invoking this method will mark the merging mechanism to merge the mergeBitmap image to the base bitmap image 111 | * from the top left portion as specified by the params leftOffset and topOffset 112 | * 113 | * @param leftOffset pixel offsets from left 114 | * @param topOffset pixel offsets from top 115 | * @return the related BitmapMergerTask 116 | */ 117 | public BitmapMergerTask setOffsets(int leftOffset, int topOffset) { 118 | this.mTopOffset = topOffset; 119 | this.mLeftOffset = leftOffset; 120 | this.mMergeOptions = BitmapMergeOptions.MERGE_FROM_TOP_LEFT; 121 | return this; 122 | } 123 | 124 | /** 125 | * Sets the merging offset angle. Invoking this method will mark the merging mechanism to merge the mergeBitmap image to the base bitmap image 126 | * at the angle off from the base line from center to mid point on the right edge of the baseBitmap. 127 | * @param angle - angle off from the base line. 128 | * @return the related BitmapMergerTask 129 | */ 130 | public BitmapMergerTask setAngle(int angle) { 131 | this.mAngle = angle; 132 | this.mMergeOptions = BitmapMergeOptions.MERGE_AT_ANGLE_OFF; 133 | return this; 134 | } 135 | 136 | /** 137 | * Sets the listener for merge complete. 138 | * @param listener for merge completeness. 139 | * @return the related BitmapMergerTask 140 | */ 141 | public BitmapMergerTask setMergeListener(OnMergeListener listener) { 142 | this.mMergeListener = listener; 143 | return this; 144 | } 145 | 146 | /** 147 | * Initiates the merging task in the background 148 | */ 149 | public void merge() { 150 | super.execute((Void[])null); 151 | } 152 | 153 | private Bitmap mergeAtAngle() { 154 | 155 | if (mScale > 0) { 156 | 157 | int radius = mBaseBitmap.getWidth() / 4; 158 | int centerX = mBaseBitmap.getWidth() / 2; 159 | int centerY = mBaseBitmap.getHeight() / 2; 160 | 161 | double radians = Math.toRadians(mAngle); 162 | 163 | int x = (int) (radius * Math.cos(radians) + centerX); 164 | int y = (int) (radius * Math.sin(radians) + centerY); 165 | 166 | 167 | Bitmap overlayScaled = Bitmap.createScaledBitmap(mMergeBitmap, (int) (mBaseBitmap.getWidth() * mScale), (int) (mBaseBitmap.getHeight() * mScale), true); 168 | 169 | Bitmap workingBitmap = Bitmap.createBitmap(mBaseBitmap); 170 | Bitmap mutableBitmap = workingBitmap.copy(Bitmap.Config.ARGB_8888, true); 171 | 172 | Canvas canvas = new Canvas(mutableBitmap); 173 | 174 | x -= (overlayScaled.getWidth() / 2); 175 | y -= (overlayScaled.getHeight() / 2); 176 | 177 | 178 | canvas.drawBitmap(overlayScaled, x, y, new Paint()); 179 | 180 | return mutableBitmap; 181 | } else { 182 | return mBaseBitmap; 183 | } 184 | 185 | } 186 | 187 | private Bitmap mergeFromTopLeft() { 188 | 189 | return mergeBitmaps(mBaseBitmap,mMergeBitmap,mScale, mLeftOffset, mTopOffset); 190 | } 191 | 192 | 193 | private Bitmap mergeAtCenter() { 194 | 195 | if (mScale > 0) { 196 | Bitmap overlayScaled = Bitmap.createScaledBitmap(mMergeBitmap, (int) (mBaseBitmap.getWidth() * mScale), (int) (mBaseBitmap.getHeight() * mScale), true); 197 | 198 | int lockWidth = overlayScaled.getWidth(); 199 | int lockHeight = overlayScaled.getHeight(); 200 | 201 | int totalWidth = mBaseBitmap.getWidth(); 202 | int totalHeight = mBaseBitmap.getHeight(); 203 | 204 | int startX = (totalWidth / 2) - (lockWidth / 2); 205 | int startY = (totalHeight / 2) - (lockHeight / 2); 206 | 207 | return mergeBitmaps(mBaseBitmap, mMergeBitmap, mScale, startX, startY); 208 | } else { 209 | return mBaseBitmap; 210 | } 211 | 212 | } 213 | 214 | private static Bitmap mergeBitmaps(Bitmap baseBitmap, Bitmap overlayBitmap, float scale, int leftOffset, int topOffset) { 215 | 216 | if (scale > 0) { 217 | Bitmap overlayScaled = Bitmap.createScaledBitmap(overlayBitmap, (int) (baseBitmap.getWidth() * scale), (int) (baseBitmap.getHeight() * scale), true); 218 | 219 | Bitmap workingBitmap = Bitmap.createBitmap(baseBitmap); 220 | Bitmap mutableBitmap = workingBitmap.copy(Bitmap.Config.ARGB_8888, true); 221 | 222 | 223 | Canvas canvas = new Canvas(mutableBitmap); 224 | 225 | canvas.drawBitmap(overlayScaled, leftOffset, topOffset, new Paint()); 226 | 227 | return mutableBitmap; 228 | } else { 229 | return baseBitmap; 230 | } 231 | 232 | } 233 | 234 | } 235 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/ui/fragments/BitmapAngleFragment.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger.ui.fragments; 2 | 3 | import android.app.Activity; 4 | import android.content.Intent; 5 | import android.graphics.Bitmap; 6 | import android.net.Uri; 7 | import android.os.Bundle; 8 | import android.support.v4.app.Fragment; 9 | import android.view.LayoutInflater; 10 | import android.view.View; 11 | import android.view.ViewGroup; 12 | import android.widget.ImageView; 13 | import android.widget.SeekBar; 14 | import android.widget.TextView; 15 | 16 | import com.cooltechworks.bitmapmerger.R; 17 | import com.cooltechworks.bitmapmerger.tasks.BitmapDecoderTask; 18 | import com.cooltechworks.bitmapmerger.tasks.BitmapMergerTask; 19 | 20 | 21 | public class BitmapAngleFragment extends Fragment { 22 | 23 | 24 | private static final int SELECT_PHOTO_1 = 1; 25 | private static final int SELECT_PHOTO_2 = 2; 26 | 27 | private Bitmap mMergeBitmap, mBaseBitmap; 28 | private int mAngle = 0; 29 | private float mScale = 0.5f; 30 | 31 | private BitmapMergerTask mBitmapMergerTask; 32 | 33 | private View mRootView; 34 | 35 | 36 | @Override 37 | public View onCreateView(LayoutInflater inflater, ViewGroup root,Bundle savedInstanceState) { 38 | 39 | 40 | mRootView = inflater.inflate(R.layout.frag_bmp_merge_angle,root,false); 41 | 42 | View.OnClickListener listener = new View.OnClickListener() { 43 | @Override 44 | public void onClick(View v) { 45 | 46 | Intent photoPickerIntent = new Intent(Intent.ACTION_PICK); 47 | photoPickerIntent.setType("image/*"); 48 | 49 | switch (v.getId()) { 50 | case R.id.base_image_label: 51 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_1); 52 | break; 53 | case R.id.merge_image_label: 54 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_2); 55 | break; 56 | 57 | } 58 | } 59 | }; 60 | 61 | View baseLabelView = mRootView.findViewById(R.id.base_image_label); 62 | View mergeLabelView = mRootView.findViewById(R.id.merge_image_label); 63 | 64 | baseLabelView.setOnClickListener(listener); 65 | mergeLabelView.setOnClickListener(listener); 66 | 67 | SeekBar angleSeekbar = (SeekBar) mRootView.findViewById(R.id.angle); 68 | angleSeekbar.setProgress(mAngle); 69 | 70 | SeekBar scaleSeekbar = (SeekBar) mRootView.findViewById(R.id.scale_size); 71 | scaleSeekbar.setProgress((int) (mScale * 100)); 72 | 73 | ((TextView) mRootView.findViewById(R.id.angle_label)).setText(getString(R.string.angle_factor, mAngle)); 74 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 75 | 76 | 77 | angleSeekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 78 | @Override 79 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 80 | 81 | mAngle = progress; 82 | 83 | ((TextView) mRootView.findViewById(R.id.angle_label)).setText(getString(R.string.angle_factor, mAngle)); 84 | refresh(); 85 | 86 | } 87 | 88 | @Override 89 | public void onStartTrackingTouch(SeekBar seekBar) { 90 | 91 | } 92 | 93 | @Override 94 | public void onStopTrackingTouch(SeekBar seekBar) { 95 | 96 | } 97 | }); 98 | 99 | scaleSeekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 100 | @Override 101 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 102 | 103 | mScale = progress / 100f; 104 | 105 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 106 | refresh(); 107 | 108 | } 109 | 110 | @Override 111 | public void onStartTrackingTouch(SeekBar seekBar) { 112 | 113 | } 114 | 115 | @Override 116 | public void onStopTrackingTouch(SeekBar seekBar) { 117 | 118 | } 119 | }); 120 | 121 | refresh(); 122 | 123 | return mRootView; 124 | 125 | 126 | } 127 | 128 | public void refresh() { 129 | 130 | final ImageView imgView = (ImageView) mRootView.findViewById(R.id.image_holder); 131 | 132 | TextView baseLabelTextView = (TextView) mRootView.findViewById(R.id.base_image_label); 133 | TextView mergeLabelTextView = (TextView) mRootView.findViewById(R.id.merge_image_label); 134 | 135 | 136 | if (mMergeBitmap != null && mBaseBitmap != null) { 137 | 138 | // If you're working with larger bitmaps and continuously changing the scale value or angle value, you might notice the lag between slider change 139 | // and the image position. To get rid of that, uncomment the following codes. 140 | // if (mBitmapMergerTask != null && mBitmapMergerTask.getStatus() == BitmapMergerTask.Status.RUNNING) { 141 | // mBitmapMergerTask.cancel(true); 142 | // } 143 | 144 | 145 | mBitmapMergerTask = new BitmapMergerTask(); 146 | mBitmapMergerTask.setBaseBitmap(mBaseBitmap) 147 | .setMergeBitmap(mMergeBitmap) 148 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 149 | @Override 150 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 151 | imgView.setImageBitmap(mergedBitmap); 152 | } 153 | }) 154 | .setScale(mScale) 155 | .setAngle(mAngle) 156 | .merge(); 157 | 158 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 159 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 160 | 161 | 162 | } 163 | else { 164 | 165 | 166 | if(mBaseBitmap != null) { 167 | imgView.setImageBitmap(mBaseBitmap); 168 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 169 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 170 | } 171 | else { 172 | baseLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 173 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 174 | } 175 | 176 | } 177 | 178 | } 179 | 180 | @Override 181 | public void onActivityResult(final int requestCode, int resultCode, Intent imageReturnedIntent) { 182 | super.onActivityResult(requestCode, resultCode, imageReturnedIntent); 183 | 184 | switch (requestCode) { 185 | case SELECT_PHOTO_1: 186 | case SELECT_PHOTO_2: 187 | if (resultCode == Activity.RESULT_OK) { 188 | final Uri imageUri = imageReturnedIntent.getData(); 189 | 190 | int dimens[] = getDimens(R.id.image_holder); 191 | 192 | new BitmapDecoderTask() 193 | .setDecodingImageReference(imageUri, getActivity().getContentResolver()) 194 | .setRequiredWidth(dimens[0]) 195 | .setRequiredHeight(dimens[1]) 196 | .setListener(new BitmapDecoderTask.OnDecodeListener() { 197 | @Override 198 | public void onDecode(BitmapDecoderTask task, Bitmap bitmap) { 199 | 200 | if (requestCode == SELECT_PHOTO_1) { 201 | 202 | mBaseBitmap = bitmap; 203 | 204 | } else { 205 | 206 | mMergeBitmap = bitmap; 207 | 208 | } 209 | refresh(); 210 | } 211 | }) 212 | .decode(); 213 | 214 | } 215 | } 216 | } 217 | 218 | public int[] getDimens(int resId) { 219 | int width = mRootView.findViewById(resId).getMeasuredWidth(); 220 | int height = mRootView.findViewById(resId).getMeasuredHeight(); 221 | 222 | return new int[]{width, height}; 223 | 224 | } 225 | 226 | } 227 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/tasks/BitmapDecoderTask.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger.tasks; 2 | 3 | import android.content.ContentResolver; 4 | import android.content.res.Resources; 5 | import android.graphics.Bitmap; 6 | import android.graphics.BitmapFactory; 7 | import android.net.Uri; 8 | import android.os.AsyncTask; 9 | 10 | import java.io.FileNotFoundException; 11 | import java.io.InputStream; 12 | 13 | /** 14 | * Created by Harish Sridharan on 29/06/15. 15 | */ 16 | 17 | /** 18 | * BitmapDecoderTask is a background asynchronous task that decodes the image (particularly larger images) from Uri or from resources. The decoder decodes the image in background thread and samples it to prevent {@link OutOfMemoryError} when loading larger bitmaps. 19 | * 20 | * The decoding can be done for 21 | * 22 | * 1. Images present in resources 23 | * 2. Images present in disk which are referenced with Uri. 24 | */ 25 | public class BitmapDecoderTask extends AsyncTask { 26 | 27 | class BitmapDecodeException extends RuntimeException { 28 | public BitmapDecodeException(String msg) { super(msg); 29 | } 30 | } 31 | 32 | 33 | enum DecodingOptions { 34 | DECODE_FROM_RESOURCE, 35 | DECODE_FROM_DISK, 36 | DECODING_NOT_SPECIFIED; 37 | } 38 | 39 | public interface OnDecodeListener { 40 | 41 | void onDecode(BitmapDecoderTask task, Bitmap output); 42 | } 43 | 44 | private int mReqHeight,mReqWidth; 45 | private OnDecodeListener mListener; 46 | private Uri mContentProviderUri; // if getting bitmap from external storage or from disk 47 | private ContentResolver mResolver; 48 | private int mDrawableId; // if getting bitmap from drawable. 49 | private Resources mResources; 50 | private DecodingOptions mDecodingOptions = DecodingOptions.DECODING_NOT_SPECIFIED; 51 | 52 | 53 | /** 54 | * Set the listener for listening to the background task of decoding and sampling the image. 55 | * @param listener - listener for decode complete. 56 | * @return the related BitmapDecoderTask 57 | */ 58 | public BitmapDecoderTask setListener(OnDecodeListener listener) { 59 | this.mListener = listener; 60 | return this; 61 | } 62 | 63 | /** 64 | * Sets the reference image which has to be decoded. 65 | * @param drawableId - id of the drawable. 66 | * @param resources - resources reference for getting the drawable. 67 | * @return related BitmapDecoderTask. 68 | */ 69 | public BitmapDecoderTask setDecodingImageReference(int drawableId, Resources resources) { 70 | this.mDrawableId = drawableId; 71 | this.mResources = resources; 72 | this.mDecodingOptions = DecodingOptions.DECODE_FROM_RESOURCE; 73 | return this; 74 | } 75 | 76 | 77 | /** 78 | * Sets the reference image which has to be decoded. 79 | * @param contentProviderUri - Uri which refers to a path containing the image. 80 | * @param mResolver - the resolver required to get the image from the Uri 81 | * @return the related BitmapDecoderTask 82 | */ 83 | public BitmapDecoderTask setDecodingImageReference(Uri contentProviderUri, ContentResolver mResolver) { 84 | this.mResolver = mResolver; 85 | this.mContentProviderUri = contentProviderUri; 86 | this.mDecodingOptions = DecodingOptions.DECODE_FROM_DISK; 87 | return this; 88 | } 89 | 90 | /** 91 | * Sets the required width for decoding the image. 92 | * 93 | * This is highly necessary for sampling the image. As referred in https://developer.android.com/training/displaying-bitmaps/load-bitmap.html#load-bitmap 94 | * its not worth loading a full image as large image will always be scaled down before being displayed, we have this method for sampling for reducing 95 | * the size before being set for efficient processing and escape from java.lang.OutOfMemoryError. 96 | * 97 | * 98 | * @param width - width of the reference view for sampling. Calculate the width of the reference view where the image has to be displayed. 99 | * @return the related BitmapDecoderTask 100 | */ 101 | public BitmapDecoderTask setRequiredWidth(int width) { 102 | this.mReqWidth = width; 103 | return this; 104 | } 105 | 106 | /** 107 | * Sets the required height for decoding the image. 108 | * 109 | * This is highly necessary for sampling the image. As referred in https://developer.android.com/training/displaying-bitmaps/load-bitmap.html#load-bitmap 110 | * its not worth loading a full image as large image will always be scaled down before being displayed, we have this method for sampling for reducing 111 | * the size before being set for efficient processing and escape from java.lang.OutOfMemoryError. 112 | * 113 | * 114 | * @param height - height of the reference view for sampling. Calculate the height of the reference view where the image has to be displayed. 115 | * @return the related BitmapDecoderTask 116 | */ 117 | public BitmapDecoderTask setRequiredHeight(int height) { 118 | this.mReqHeight = height; 119 | return this; 120 | } 121 | 122 | @Override 123 | protected Bitmap doInBackground(Void... params) { 124 | switch (mDecodingOptions) { 125 | case DECODE_FROM_DISK: 126 | return decodeSampledBitmapFromDisk(); 127 | case DECODE_FROM_RESOURCE: 128 | return decodeSampledBitmapFromResource(); 129 | default: 130 | throw new BitmapDecodeException("Did not specify the image reference with setDecodingImageReference()"); 131 | } 132 | } 133 | 134 | @Override 135 | public void onPostExecute(Bitmap bitmap) { 136 | if(mListener != null) { 137 | mListener.onDecode(this, bitmap); 138 | } 139 | } 140 | 141 | /** 142 | * Initiates the background process to decoding and sampling the image. 143 | */ 144 | public void decode() { 145 | super.execute((Void[]) null); 146 | } 147 | 148 | private Bitmap decodeSampledBitmapFromDisk() { 149 | 150 | try { 151 | 152 | if(mResolver == null || mContentProviderUri == null) { 153 | throw new BitmapDecodeException("Did not provide the uri reference or resolver"); 154 | } 155 | 156 | if(mReqWidth <= 0 ) { 157 | throw new BitmapDecodeException("Did not provide a valid required width. Should be > 0"); 158 | } 159 | 160 | if(mReqHeight <= 0 ) { 161 | throw new BitmapDecodeException("Did not provide a valid required height. Should be > 0"); 162 | } 163 | 164 | InputStream sampleStream = mResolver.openInputStream(mContentProviderUri); 165 | InputStream samplingStream = mResolver.openInputStream(mContentProviderUri); 166 | 167 | 168 | // First decode with inJustDecodeBounds=true to check dimensions 169 | final BitmapFactory.Options options = new BitmapFactory.Options(); 170 | options.inJustDecodeBounds = true; 171 | BitmapFactory.decodeStream(sampleStream, null, options); 172 | 173 | // Calculate inSampleSize 174 | options.inSampleSize = calculateInSampleSize(options, mReqWidth, mReqHeight); 175 | 176 | // Decode bitmap with inSampleSize set 177 | options.inJustDecodeBounds = false; 178 | return BitmapFactory.decodeStream(samplingStream, null, options); 179 | }catch (FileNotFoundException e) { 180 | e.printStackTrace(); 181 | throw new BitmapDecodeException("Did not provide a valid Uri."); 182 | 183 | } 184 | } 185 | 186 | 187 | private Bitmap decodeSampledBitmapFromResource() { 188 | 189 | if(mResources == null ) { 190 | throw new BitmapDecodeException("Did not provide the resources"); 191 | } 192 | 193 | if(mReqWidth <= 0 ) { 194 | throw new BitmapDecodeException("Did not provide a valid required width. Should be > 0"); 195 | } 196 | 197 | if(mReqHeight <= 0 ) { 198 | throw new BitmapDecodeException("Did not provide a valid required height. Should be > 0"); 199 | } 200 | 201 | // First decode with inJustDecodeBounds=true to check dimensions 202 | final BitmapFactory.Options options = new BitmapFactory.Options(); 203 | options.inJustDecodeBounds = true; 204 | BitmapFactory.decodeResource(mResources, mDrawableId, options); 205 | 206 | // Calculate inSampleSize 207 | options.inSampleSize = calculateInSampleSize(options, mReqWidth, mReqHeight); 208 | 209 | // Decode bitmap with inSampleSize set 210 | options.inJustDecodeBounds = false; 211 | return BitmapFactory.decodeResource(mResources, mDrawableId, options); 212 | } 213 | 214 | 215 | private static int calculateInSampleSize( 216 | BitmapFactory.Options options, int reqWidth, int reqHeight) { 217 | // Raw height and width of image 218 | final int height = options.outHeight; 219 | final int width = options.outWidth; 220 | int inSampleSize = 1; 221 | 222 | if (height > reqHeight || width > reqWidth) { 223 | 224 | final int halfHeight = height / 2; 225 | final int halfWidth = width / 2; 226 | 227 | // Calculate the largest inSampleSize value that is a power of 2 and keeps both 228 | // height and width larger than the requested height and width. 229 | while ((halfHeight / inSampleSize) > reqHeight 230 | && (halfWidth / inSampleSize) > reqWidth) { 231 | inSampleSize *= 2; 232 | } 233 | } 234 | 235 | return inSampleSize; 236 | } 237 | } 238 | -------------------------------------------------------------------------------- /app/src/main/java/com/cooltechworks/bitmapmerger/ui/fragments/BitmapOffsetFragment.java: -------------------------------------------------------------------------------- 1 | package com.cooltechworks.bitmapmerger.ui.fragments; 2 | 3 | import android.app.Activity; 4 | import android.content.Intent; 5 | import android.graphics.Bitmap; 6 | import android.net.Uri; 7 | import android.os.Bundle; 8 | import android.support.v4.app.Fragment; 9 | import android.view.LayoutInflater; 10 | import android.view.View; 11 | import android.view.ViewGroup; 12 | import android.widget.ImageView; 13 | import android.widget.SeekBar; 14 | import android.widget.TextView; 15 | 16 | import com.cooltechworks.bitmapmerger.R; 17 | import com.cooltechworks.bitmapmerger.tasks.BitmapDecoderTask; 18 | import com.cooltechworks.bitmapmerger.tasks.BitmapMergerTask; 19 | 20 | 21 | public class BitmapOffsetFragment extends Fragment { 22 | 23 | 24 | private static final int SELECT_PHOTO_1 = 1; 25 | private static final int SELECT_PHOTO_2 = 2; 26 | 27 | private Bitmap mBaseBitmap, mMergeBitmap; 28 | private int mFromTop = 0, mFromLeft = 0; 29 | private float mScale = 0.5f; 30 | 31 | private BitmapMergerTask mBitmapMergerTask; 32 | 33 | private View mRootView; 34 | 35 | 36 | @Override 37 | public View onCreateView(LayoutInflater inflater, ViewGroup root,Bundle savedInstanceState) { 38 | 39 | 40 | mRootView = inflater.inflate(R.layout.frag_bmp_merge_offset,root,false); 41 | 42 | View.OnClickListener listener = new View.OnClickListener() { 43 | @Override 44 | public void onClick(View v) { 45 | 46 | Intent photoPickerIntent = new Intent(Intent.ACTION_PICK); 47 | photoPickerIntent.setType("image/*"); 48 | 49 | switch (v.getId()) { 50 | case R.id.base_image_label: 51 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_1); 52 | break; 53 | case R.id.merge_image_label: 54 | startActivityForResult(photoPickerIntent, SELECT_PHOTO_2); 55 | break; 56 | 57 | } 58 | } 59 | }; 60 | 61 | View baseLabelView = mRootView.findViewById(R.id.base_image_label); 62 | View mergeLabelView = mRootView.findViewById(R.id.merge_image_label); 63 | 64 | baseLabelView.setOnClickListener(listener); 65 | mergeLabelView.setOnClickListener(listener); 66 | 67 | int maxWidth = getDimens(R.id.image_holder)[0]; 68 | int maxHeight = getDimens(R.id.image_holder)[1]; 69 | 70 | 71 | SeekBar fromLeftSeek = (SeekBar) mRootView.findViewById(R.id.from_left_seek); 72 | 73 | 74 | fromLeftSeek.setMax(maxWidth); 75 | fromLeftSeek.setProgress(mFromLeft); 76 | 77 | SeekBar fromTopSeek = (SeekBar) mRootView.findViewById(R.id.from_top_seek); 78 | fromTopSeek.setMax(maxHeight); 79 | fromTopSeek.setProgress(mFromTop); 80 | 81 | SeekBar scaleSeekbar = (SeekBar) mRootView.findViewById(R.id.scale_size); 82 | scaleSeekbar.setProgress((int) (mScale * 100)); 83 | 84 | ((TextView) mRootView.findViewById(R.id.from_left_label)).setText(getString(R.string.from_left, mFromLeft)); 85 | ((TextView) mRootView.findViewById(R.id.from_top_label)).setText(getString(R.string.from_top, mFromTop)); 86 | 87 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 88 | 89 | 90 | fromLeftSeek.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 91 | @Override 92 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 93 | 94 | mFromLeft = progress; 95 | 96 | ((TextView) mRootView.findViewById(R.id.from_left_label)).setText(getString(R.string.from_left, mFromLeft)); 97 | refresh(); 98 | 99 | } 100 | 101 | @Override 102 | public void onStartTrackingTouch(SeekBar seekBar) { 103 | } 104 | 105 | @Override 106 | public void onStopTrackingTouch(SeekBar seekBar) { 107 | } 108 | }); 109 | 110 | fromTopSeek.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 111 | @Override 112 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 113 | 114 | mFromTop = progress; 115 | 116 | ((TextView) mRootView.findViewById(R.id.from_top_label)).setText(getString(R.string.from_top, mFromTop)); 117 | refresh(); 118 | 119 | } 120 | 121 | @Override 122 | public void onStartTrackingTouch(SeekBar seekBar) { 123 | } 124 | 125 | @Override 126 | public void onStopTrackingTouch(SeekBar seekBar) { 127 | } 128 | }); 129 | 130 | scaleSeekbar.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 131 | @Override 132 | public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 133 | 134 | mScale = progress / 100f; 135 | 136 | ((TextView) mRootView.findViewById(R.id.scale_label)).setText(getString(R.string.scale_factor, mScale)); 137 | refresh(); 138 | 139 | } 140 | 141 | @Override 142 | public void onStartTrackingTouch(SeekBar seekBar) { 143 | 144 | } 145 | 146 | @Override 147 | public void onStopTrackingTouch(SeekBar seekBar) { 148 | 149 | } 150 | }); 151 | 152 | refresh(); 153 | 154 | return mRootView; 155 | 156 | 157 | } 158 | 159 | public void refresh() { 160 | 161 | final ImageView imgView = (ImageView) mRootView.findViewById(R.id.image_holder); 162 | 163 | TextView baseLabelTextView = (TextView) mRootView.findViewById(R.id.base_image_label); 164 | TextView mergeLabelTextView = (TextView) mRootView.findViewById(R.id.merge_image_label); 165 | 166 | 167 | if (mMergeBitmap != null && mBaseBitmap != null) { 168 | 169 | 170 | int maxWidth = mBaseBitmap.getWidth(); 171 | int maxHeight = mBaseBitmap.getHeight(); 172 | 173 | 174 | SeekBar fromLeftSeek = (SeekBar) mRootView.findViewById(R.id.from_left_seek); 175 | 176 | 177 | fromLeftSeek.setMax(maxWidth); 178 | fromLeftSeek.setProgress(mFromLeft); 179 | 180 | SeekBar fromTopSeek = (SeekBar) mRootView.findViewById(R.id.from_top_seek); 181 | fromTopSeek.setMax(maxHeight); 182 | fromTopSeek.setProgress(mFromTop); 183 | 184 | 185 | // If you're working with larger bitmaps and continuously changing the scale value or angle value, you might notice the lag between slider change 186 | // and the image position. To get rid of that, uncomment the following codes. 187 | if (mBitmapMergerTask != null && mBitmapMergerTask.getStatus() == BitmapMergerTask.Status.RUNNING) { 188 | mBitmapMergerTask.cancel(true); 189 | } 190 | 191 | 192 | mBitmapMergerTask = new BitmapMergerTask(); 193 | mBitmapMergerTask.setBaseBitmap(mBaseBitmap) 194 | .setMergeBitmap(mMergeBitmap) 195 | .setMergeListener(new BitmapMergerTask.OnMergeListener() { 196 | @Override 197 | public void onMerge(BitmapMergerTask task, Bitmap mergedBitmap) { 198 | imgView.setImageBitmap(mergedBitmap); 199 | } 200 | }) 201 | .setScale(mScale) 202 | .setOffsets(mFromLeft,mFromTop) 203 | .merge(); 204 | 205 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 206 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 207 | 208 | 209 | } 210 | else { 211 | 212 | 213 | if(mBaseBitmap != null) { 214 | imgView.setImageBitmap(mBaseBitmap); 215 | baseLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 216 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 217 | } 218 | else { 219 | baseLabelTextView.setTextColor(getResources().getColor(R.color.green_fg)); 220 | mergeLabelTextView.setTextColor(getResources().getColor(R.color.dark_blue_fg)); 221 | } 222 | 223 | } 224 | 225 | } 226 | 227 | @Override 228 | public void onActivityResult(final int requestCode, int resultCode, Intent imageReturnedIntent) { 229 | super.onActivityResult(requestCode, resultCode, imageReturnedIntent); 230 | 231 | switch (requestCode) { 232 | case SELECT_PHOTO_1: 233 | case SELECT_PHOTO_2: 234 | if (resultCode == Activity.RESULT_OK) { 235 | final Uri imageUri = imageReturnedIntent.getData(); 236 | 237 | int dimens[] = getDimens(R.id.image_holder); 238 | 239 | new BitmapDecoderTask() 240 | .setDecodingImageReference(imageUri, getActivity().getContentResolver()) 241 | .setRequiredWidth(dimens[0]) 242 | .setRequiredHeight(dimens[1]) 243 | .setListener(new BitmapDecoderTask.OnDecodeListener() { 244 | @Override 245 | public void onDecode(BitmapDecoderTask task, Bitmap bitmap) { 246 | 247 | if (requestCode == SELECT_PHOTO_1) { 248 | 249 | mBaseBitmap = bitmap; 250 | 251 | } else { 252 | 253 | mMergeBitmap = bitmap; 254 | 255 | } 256 | refresh(); 257 | } 258 | }) 259 | .decode(); 260 | 261 | } 262 | } 263 | } 264 | 265 | public int[] getDimens(int resId) { 266 | int width = mRootView.findViewById(resId).getMeasuredWidth(); 267 | int height = mRootView.findViewById(resId).getMeasuredHeight(); 268 | 269 | return new int[]{width, height}; 270 | 271 | } 272 | 273 | } 274 | --------------------------------------------------------------------------------