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Full source code of book on 8th Dec 2012
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‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/.classpath‎

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<?xml version="1.0" encoding="UTF-8"?>
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<classpath>
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<classpathentry exported="true" kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
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<classpathentry kind="lib" path="/OpenCV-2.4.2/bin/opencv-2.4.2.jar"/>
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<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
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<classpathentry kind="src" path="src"/>
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<classpathentry kind="src" path="gen"/>
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<classpathentry kind="output" path="bin/classes"/>
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</classpath>

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/.cproject‎

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<?fileVersion 4.0.0?>
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<externalSettings/>
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<extension id="org.eclipse.cdt.core.VCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<inputType id="org.eclipse.cdt.build.core.settings.holder.inType.86516288" languageId="org.eclipse.cdt.core.g++" languageName="GNU C++" sourceContentType="org.eclipse.cdt.core.cxxSource,org.eclipse.cdt.core.cxxHeader" superClass="org.eclipse.cdt.build.core.settings.holder.inType"/>
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<listOptionValue builtIn="false" value="/usr/local/include"/>
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<listOptionValue builtIn="false" value="/usr/local/include/opencv"/>
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</option>
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<inputType id="org.eclipse.cdt.build.core.settings.holder.inType.908330048" languageId="org.eclipse.cdt.core.gcc" languageName="GNU C" sourceContentType="org.eclipse.cdt.core.cSource,org.eclipse.cdt.core.cHeader" superClass="org.eclipse.cdt.build.core.settings.holder.inType"/>
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<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
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<storageModule moduleId="org.eclipse.cdt.core.pathentry"/>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
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<project id="Cartoonifier.null.556056689" name="Cartoonifier"/>
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<storageModule moduleId="refreshScope" versionNumber="1">
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<resource resourceType="PROJECT" workspacePath="/Cartoonifier"/>
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<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
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</cproject>

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/.project‎

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>Cartoonifier</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
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<triggers>clean,full,incremental,</triggers>
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<arguments>
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<dictionary>
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<key>?name?</key>
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<value></value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.append_environment</key>
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<value>true</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.autoBuildTarget</key>
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<value>all</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.buildArguments</key>
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<value>${NDKROOT}/ndk-build V=0</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.buildCommand</key>
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<value>sh</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
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<value>clean</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.contents</key>
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<value>org.eclipse.cdt.make.core.activeConfigSettings</value>
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<dictionary>
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<key>org.eclipse.cdt.make.core.enableAutoBuild</key>
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<value>false</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.enableCleanBuild</key>
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<value>true</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.enableFullBuild</key>
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<value>true</value>
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<dictionary>
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<key>org.eclipse.cdt.make.core.fullBuildTarget</key>
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<value>all</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.stopOnError</key>
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<value>true</value>
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</dictionary>
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<dictionary>
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<key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
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<value>false</value>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.jdt.core.javabuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>com.android.ide.eclipse.adt.ApkBuilder</name>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
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<triggers>full,incremental,</triggers>
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<arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
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<nature>org.eclipse.jdt.core.javanature</nature>
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<nature>org.eclipse.cdt.core.cnature</nature>
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<nature>org.eclipse.cdt.core.ccnature</nature>
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<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
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<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
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</natures>
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</projectDescription>

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/.settings/org.eclipse.jdt.core.prefs‎

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#Wed Jul 04 06:41:49 PDT 2012
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.5
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.source=1.5

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/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.Cartoonifier"
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android:versionCode="1"
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android:versionName="1.0">
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<supports-screens android:resizeable="true"
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android:smallScreens="true"
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android:normalScreens="true"
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android:largeScreens="true"
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android:anyDensity="true" />
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<application android:label="@string/app_name" android:icon="@drawable/icon">
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<activity android:name="CartoonifierApp"
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android:label="@string/app_name"
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android:screenOrientation="landscape"
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android:configChanges="keyboardHidden|orientation">
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<intent-filter>
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<action android:name="android.intent.action.MAIN" />
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<category android:name="android.intent.category.LAUNCHER" />
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</intent-filter>
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</activity>
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</application>
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<uses-sdk android:minSdkVersion="8" />
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<uses-permission android:name="android.permission.CAMERA"/>
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<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
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<uses-feature android:name="android.hardware.camera" />
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<uses-feature android:name="android.hardware.camera.autofocus" />
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</manifest>

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/jni/Android.mk‎

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#/****************************************************************************
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#* Cartoonifier, for Android.
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#*****************************************************************************
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#* by Shervin Emami, 5th Dec 2012 ([email protected])
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#* http://www.shervinemami.info/
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#*****************************************************************************
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#* Ch1 of the book "Mastering OpenCV with Practical Computer Vision Projects"
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#* Copyright Packt Publishing 2012.
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#* http://www.packtpub.com/cool-projects-with-opencv/book
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#****************************************************************************/
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LOCAL_PATH := $(call my-dir)
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include $(CLEAR_VARS)
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OPENCV_LIB_TYPE:=STATIC
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OPENCV_INSTALL_MODULES:=on
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# Path to OpenCV.mk file, which is generated when you build OpenCV for Android.
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# include C:\OpenCV\android\build\OpenCV.mk
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# include ~/OpenCV/android/build/OpenCV.mk
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include ../includeOpenCV.mk
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ifeq ("$(wildcard $(OPENCV_MK_PATH))","")
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#try to load OpenCV.mk from default install location
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include $(TOOLCHAIN_PREBUILT_ROOT)/user/share/OpenCV/OpenCV.mk
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else
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include $(OPENCV_MK_PATH)
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endif
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LOCAL_MODULE := cartoonifier
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LOCAL_LDLIBS += -llog -ldl
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# Since we have source + headers files in an external folder, we need to show where they are.
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LOCAL_SRC_FILES := jni_part.cpp
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LOCAL_SRC_FILES += ../../Cartoonifier_Desktop/cartoon.cpp
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LOCAL_SRC_FILES += ../../Cartoonifier_Desktop/ImageUtils_0.7.cpp
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LOCAL_C_INCLUDES += $(LOCAL_PATH)/../../Cartoonifier_Desktop
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include $(BUILD_SHARED_LIBRARY)

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/jni/Application.mk‎

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APP_STL := gnustl_static
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APP_CPPFLAGS := -frtti -fexceptions
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APP_ABI := armeabi-v7a

‎Chapter1_AndroidCartoonifier/Cartoonifier_Android/jni/jni_part.cpp‎

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/*****************************************************************************
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* Cartoonifier, for Android.
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******************************************************************************
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* by Shervin Emami, 5th Dec 2012 ([email protected])
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* http://www.shervinemami.info/
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******************************************************************************
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* Ch1 of the book "Mastering OpenCV with Practical Computer Vision Projects"
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* Copyright Packt Publishing 2012.
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* http://www.packtpub.com/cool-projects-with-opencv/book
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*****************************************************************************/
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#include <jni.h>
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#include <opencv2/core/core.hpp>
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#include <opencv2/imgproc/imgproc.hpp>
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#include <opencv2/features2d/features2d.hpp>
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#include "cartoon.h"
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#include "ImageUtils.h" // Handy functions for debugging OpenCV images, by Shervin Emami.
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using namespace std;
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using namespace cv;
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extern "C" {
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// Just show the plain camera image without modifying it.
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JNIEXPORT void JNICALL Java_com_Cartoonifier_CartoonifierView_ShowPreview(JNIEnv* env, jobject,
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jint width, jint height, jbyteArray yuv, jintArray bgra)
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{
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// Get native access to the given Java arrays.
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jbyte* _yuv = env->GetByteArrayElements(yuv, 0);
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jint* _bgra = env->GetIntArrayElements(bgra, 0);
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// Prepare a cv::Mat that points to the YUV420sp data.
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Mat myuv(height + height/2, width, CV_8UC1, (uchar *)_yuv);
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// Prepare a cv::Mat that points to the BGRA output data.
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Mat mbgra(height, width, CV_8UC4, (uchar *)_bgra);
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// Convert the color format from the camera's
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// NV21 "YUV420sp" format to an Android BGRA color image.
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cvtColor(myuv, mbgra, CV_YUV420sp2BGRA);
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// OpenCV can now access/modify the BGRA image if we want ...
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// Release the native lock we placed on the Java arrays.
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env->ReleaseIntArrayElements(bgra, _bgra, 0);
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env->ReleaseByteArrayElements(yuv, _yuv, 0);
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}
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DECLARE_TIMING(CartoonifyImage);
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// Modify the camera image using the Cartoonifier filter.
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JNIEXPORT void JNICALL Java_com_Cartoonifier_CartoonifierView_CartoonifyImage(JNIEnv* env, jobject,
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jint width, jint height, jbyteArray yuv, jintArray bgra,
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jboolean sketchMode, jboolean alienMode, jboolean evilMode, jboolean debugMode)
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{
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START_TIMING(CartoonifyImage);
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// Get native access to the given Java arrays.
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jbyte* _yuv = env->GetByteArrayElements(yuv, 0);
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jint* _bgra = env->GetIntArrayElements(bgra, 0);
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// Input color format (from camera):
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// "myuv" is the color image in the camera's native NV21 YUV 420 "semi-planar" format, which means
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// the first part of the array is the grayscale pixel array, followed by a quarter-sized pixel
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// array that is the U & V color channels interleaved. So if we just want to access a grayscale
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// image, we can get it directly from the 1st part of a YUV420sp semi-planar image without any
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// conversions. But if we want a color image (eg: BGRA color format that is recommended for OpenCV
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// on Android), then we must convert the color format using cvtColor().
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Mat myuv(height + height/2, width, CV_8UC1, (unsigned char *)_yuv); // Wrapper around the _yuv data.
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Mat mgray(height, width, CV_8UC1, (unsigned char *)_yuv); // Also a wrapper around the _yuv data.
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// Output color format (for display):
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// "mbgra" is the color image to be displayed on the Android device, in BGRA format (ie: OpenCV's
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// default BGR which is RGB but in the opposite byte order, but with an extra 0 byte on the end
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// of each pixel, so that each pixel is stored as Blue, Green, Red, 0). You can either do all
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// your processing in OpenCV's default BGR format and then convert your final output from BGR to
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// BGRA before display on the screen, or ideally you can ensure your image processing code can
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// handle BGRA format instead of or in addition to BGR format. This is particularly important if
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// you try to access pixels directly in the image!
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Mat mbgra(height, width, CV_8UC4, (unsigned char *)_bgra);
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// Convert the color format from the camera's YUV420sp semi-planar format to a regular BGR color image.
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Mat mbgr(height, width, CV_8UC3); // Allocate a new image buffer.
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cvtColor(myuv, mbgr, CV_YUV420sp2BGR);
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//--- Beginning of custom C/C++ image processing with OpenCV ---//
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Mat displayedFrame(mbgra.size(), CV_8UC3);
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// Use debug type 1 (for mobile) if debug mode is enabled, since we can't show popup GUI windows.
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int debugType = 0;
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if (debugMode)
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debugType = 1;
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// Do the C/C++ image processing.
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cartoonifyImage(mbgr, displayedFrame, sketchMode, alienMode, evilMode, debugType);
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// Convert back from OpenCV's BGR format to Android's BGRA format, unless if we can handle BGRA in our code.
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cvtColor(displayedFrame, mbgra, CV_BGR2BGRA);
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//--- End of custom C/C++ image processing with OpenCV ---//
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// Release the native lock we placed on the Java arrays.
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env->ReleaseIntArrayElements(bgra, _bgra, 0);
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env->ReleaseByteArrayElements(yuv, _yuv, 0);
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STOP_TIMING(CartoonifyImage);
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// Print the timing info.
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SHOW_TIMING(CartoonifyImage, "CartoonifyImage");
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}
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}//end of extern "C" (global C/C++ functions that aren't part of a C++ Class)

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