add_subdirectory(color-blob-detection)
add_subdirectory(tutorial-1-camerapreview)
-add_subdirectory(tutorial-4-mixed)
+add_subdirectory(tutorial-2-mixedprocessing)
add_subdirectory(tutorial-5-cameracontrol)
#hello-android sample
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+ <classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
+ <classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
+ <classpathentry kind="src" path="src"/>
+ <classpathentry kind="src" path="gen"/>
+ <classpathentry kind="output" path="bin/classes"/>
+</classpath>
--- /dev/null
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<?fileVersion 4.0.0?>
+
+<cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
+ <storageModule moduleId="org.eclipse.cdt.core.settings">
+ <cconfiguration id="0.1227367918">
+ <storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="0.1227367918" moduleId="org.eclipse.cdt.core.settings" name="Default">
+ <externalSettings/>
+ <extensions>
+ <extension id="org.eclipse.cdt.core.VCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+ <extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+ <extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
+ <extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+ <extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+ <extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
+ </extensions>
+ </storageModule>
+ <storageModule moduleId="cdtBuildSystem" version="4.0.0">
+ <configuration artifactName="${ProjName}" buildProperties="" description="" id="0.1227367918" name="Default" parent="org.eclipse.cdt.build.core.prefbase.cfg">
+ <folderInfo id="0.1227367918." name="/" resourcePath="">
+ <toolChain id="org.eclipse.cdt.build.core.prefbase.toolchain.1817556292" name="No ToolChain" resourceTypeBasedDiscovery="false" superClass="org.eclipse.cdt.build.core.prefbase.toolchain">
+ <targetPlatform id="org.eclipse.cdt.build.core.prefbase.toolchain.1817556292.437475188" name=""/>
+ <builder autoBuildTarget="" command="${NDKROOT}/ndk-build.cmd" enableAutoBuild="true" enableCleanBuild="false" id="org.eclipse.cdt.build.core.settings.default.builder.141883337" incrementalBuildTarget="" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="org.eclipse.cdt.build.core.settings.default.builder"/>
+ <tool id="org.eclipse.cdt.build.core.settings.holder.libs.914869649" name="holder for library settings" superClass="org.eclipse.cdt.build.core.settings.holder.libs"/>
+ <tool id="org.eclipse.cdt.build.core.settings.holder.1504728878" name="Assembly" superClass="org.eclipse.cdt.build.core.settings.holder">
+ <inputType id="org.eclipse.cdt.build.core.settings.holder.inType.1470189286" languageId="org.eclipse.cdt.core.assembly" languageName="Assembly" sourceContentType="org.eclipse.cdt.core.asmSource" superClass="org.eclipse.cdt.build.core.settings.holder.inType"/>
+ </tool>
+ <tool id="org.eclipse.cdt.build.core.settings.holder.260316541" name="GNU C++" superClass="org.eclipse.cdt.build.core.settings.holder">
+ <option id="org.eclipse.cdt.build.core.settings.holder.symbols.892620793" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
+ <listOptionValue builtIn="false" value="ANDROID=1"/>
+ </option>
+ <option id="org.eclipse.cdt.build.core.settings.holder.incpaths.1772035264" superClass="org.eclipse.cdt.build.core.settings.holder.incpaths" valueType="includePath">
+ <listOptionValue builtIn="false" value=""${NDKROOT}/platforms/android-9/arch-arm/usr/include""/>
+ <listOptionValue builtIn="false" value=""${NDKROOT}/sources/cxx-stl/gnu-libstdc++/4.6/include""/>
+ <listOptionValue builtIn="false" value=""${NDKROOT}/sources/cxx-stl/gnu-libstdc++/4.6/libs/armeabi-v7a/include""/>
+ <listOptionValue builtIn="false" value=""${ProjDirPath}/../../sdk/native/jni/include""/>
+ </option>
+ <inputType id="org.eclipse.cdt.build.core.settings.holder.inType.159439464" 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"/>
+ </tool>
+ <tool id="org.eclipse.cdt.build.core.settings.holder.1147885196" name="GNU C" superClass="org.eclipse.cdt.build.core.settings.holder">
+ <option id="org.eclipse.cdt.build.core.settings.holder.symbols.1153621931" superClass="org.eclipse.cdt.build.core.settings.holder.symbols" valueType="definedSymbols">
+ <listOptionValue builtIn="false" value="ANDROID=1"/>
+ </option>
+ <option id="org.eclipse.cdt.build.core.settings.holder.incpaths.1841493632" superClass="org.eclipse.cdt.build.core.settings.holder.incpaths" valueType="includePath">
+ <listOptionValue builtIn="false" value=""${NDKROOT}/platforms/android-9/arch-arm/usr/include""/>
+ <listOptionValue builtIn="false" value=""${NDKROOT}/sources/cxx-stl/gnu-libstdc++/4.6/include""/>
+ <listOptionValue builtIn="false" value=""${NDKROOT}/sources/cxx-stl/gnu-libstdc++/4.6/libs/armeabi-v7a/include""/>
+ <listOptionValue builtIn="false" value=""${ProjDirPath}/../../sdk/native/jni/include""/>
+ </option>
+ <inputType id="org.eclipse.cdt.build.core.settings.holder.inType.608739504" 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"/>
+ </tool>
+ </toolChain>
+ </folderInfo>
+ <sourceEntries>
+ <entry flags="VALUE_WORKSPACE_PATH" kind="sourcePath" name="jni"/>
+ </sourceEntries>
+ </configuration>
+ </storageModule>
+ <storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
+ </cconfiguration>
+ </storageModule>
+ <storageModule moduleId="cdtBuildSystem" version="4.0.0">
+ <project id="OpenCV Tutorial 4 - Mix Java+Native OpenCV.null.1819504790" name="OpenCV Tutorial 4 - Mix Java+Native OpenCV"/>
+ </storageModule>
+ <storageModule moduleId="scannerConfiguration">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ <scannerConfigBuildInfo instanceId="0.1227367918">
+ <autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
+ </scannerConfigBuildInfo>
+ </storageModule>
+ <storageModule moduleId="refreshScope" versionNumber="1">
+ <resource resourceType="PROJECT" workspacePath="/OpenCV Tutorial 4 - Mix Java+Native OpenCV"/>
+ </storageModule>
+</cproject>
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+ <name>OpenCV Tutorial 4 - Mix Java+Native OpenCV</name>
+ <comment></comment>
+ <projects>
+ </projects>
+ <buildSpec>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
+ <triggers>auto,full,incremental,</triggers>
+ <arguments>
+ <dictionary>
+ <key>?name?</key>
+ <value></value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.append_environment</key>
+ <value>true</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.autoBuildTarget</key>
+ <value></value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.buildArguments</key>
+ <value></value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.buildCommand</key>
+ <value>${NDKROOT}/ndk-build.cmd</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.cleanBuildTarget</key>
+ <value>clean</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.contents</key>
+ <value>org.eclipse.cdt.make.core.activeConfigSettings</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.enableAutoBuild</key>
+ <value>true</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.enableCleanBuild</key>
+ <value>false</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.enableFullBuild</key>
+ <value>true</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.fullBuildTarget</key>
+ <value></value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.stopOnError</key>
+ <value>true</value>
+ </dictionary>
+ <dictionary>
+ <key>org.eclipse.cdt.make.core.useDefaultBuildCmd</key>
+ <value>false</value>
+ </dictionary>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>com.android.ide.eclipse.adt.ResourceManagerBuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>com.android.ide.eclipse.adt.PreCompilerBuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.jdt.core.javabuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>com.android.ide.eclipse.adt.ApkBuilder</name>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ <buildCommand>
+ <name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
+ <triggers>full,incremental,</triggers>
+ <arguments>
+ </arguments>
+ </buildCommand>
+ </buildSpec>
+ <natures>
+ <nature>com.android.ide.eclipse.adt.AndroidNature</nature>
+ <nature>org.eclipse.jdt.core.javanature</nature>
+ <nature>org.eclipse.cdt.core.cnature</nature>
+ <nature>org.eclipse.cdt.core.ccnature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
+ <nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
+ </natures>
+</projectDescription>
--- /dev/null
+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
+org.eclipse.jdt.core.compiler.compliance=1.6
+org.eclipse.jdt.core.compiler.source=1.6
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+ package="org.opencv.samples.tutorial2"
+ android:versionCode="21"
+ android:versionName="2.1">
+
+ <application
+ android:label="@string/app_name"
+ android:icon="@drawable/icon"
+ android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
+
+ <activity android:name="Sample2MixedProcessing"
+ android:label="@string/app_name"
+ android:screenOrientation="landscape"
+ android:configChanges="keyboardHidden|orientation">
+ <intent-filter>
+ <action android:name="android.intent.action.MAIN" />
+ <category android:name="android.intent.category.LAUNCHER" />
+ </intent-filter>
+ </activity>
+ </application>
+
+ <supports-screens android:resizeable="true"
+ android:smallScreens="true"
+ android:normalScreens="true"
+ android:largeScreens="true"
+ android:anyDensity="true" />
+
+ <uses-sdk android:minSdkVersion="8" />
+
+ <uses-permission android:name="android.permission.CAMERA"/>
+
+ <uses-feature android:name="android.hardware.camera" android:required="false"/>
+ <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
+ <uses-feature android:name="android.hardware.camera.front" android:required="false"/>
+ <uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
+
+</manifest>
--- /dev/null
+set(sample example-tutorial-2-nativeprocessing)
+
+if(BUILD_FAT_JAVA_LIB)
+ set(native_deps opencv_java)
+else()
+ set(native_deps opencv_features2d)
+endif()
+
+add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11 ${ANDROID_SDK_TARGET} NATIVE_DEPS ${native_deps})
+if(TARGET ${sample})
+ add_dependencies(opencv_android_examples ${sample})
+endif()
--- /dev/null
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+
+include ../../sdk/native/jni/OpenCV.mk
+
+LOCAL_MODULE := mixed_sample
+LOCAL_SRC_FILES := jni_part.cpp
+LOCAL_LDLIBS += -llog -ldl
+
+include $(BUILD_SHARED_LIBRARY)
--- /dev/null
+APP_STL := gnustl_static
+APP_CPPFLAGS := -frtti -fexceptions
+APP_ABI := armeabi-v7a
+APP_PLATFORM := android-8
--- /dev/null
+#include <jni.h>
+#include <opencv2/core/core.hpp>
+#include <opencv2/imgproc/imgproc.hpp>
+#include <opencv2/features2d/features2d.hpp>
+#include <vector>
+
+using namespace std;
+using namespace cv;
+
+extern "C" {
+JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial2_Sample2NativeProcessing_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba);
+
+JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial2_Sample2NativeProcessing_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
+{
+ Mat& mGr = *(Mat*)addrGray;
+ Mat& mRgb = *(Mat*)addrRgba;
+ vector<KeyPoint> v;
+
+ FastFeatureDetector detector(50);
+ detector.detect(mGr, v);
+ for( unsigned int i = 0; i < v.size(); i++ )
+ {
+ const KeyPoint& kp = v[i];
+ circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
+ }
+}
+}
--- /dev/null
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+ xmlns:tools="http://schemas.android.com/tools"
+ android:layout_width="match_parent"
+ android:layout_height="match_parent" >
+
+ <org.opencv.android.JavaCameraView
+ android:layout_width="fill_parent"
+ android:layout_height="fill_parent"
+ android:id="@+id/tutorial2_activity_surface_view" />
+
+</LinearLayout>
--- /dev/null
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+ <string name="app_name">OCV T2 Mixed Processing</string>
+</resources>
--- /dev/null
+package org.opencv.samples.tutorial2;
+
+import org.opencv.android.BaseLoaderCallback;
+import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
+import org.opencv.android.LoaderCallbackInterface;
+import org.opencv.android.OpenCVLoader;
+import org.opencv.core.CvType;
+import org.opencv.core.Mat;
+import org.opencv.android.CameraBridgeViewBase;
+import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
+import org.opencv.imgproc.Imgproc;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.Menu;
+import android.view.MenuItem;
+import android.view.WindowManager;
+
+public class Sample2MixedProcessing extends Activity implements CvCameraViewListener2 {
+ private static final String TAG = "OCVSample::Activity";
+
+ private static final int VIEW_MODE_RGBA = 0;
+ private static final int VIEW_MODE_GRAY = 1;
+ private static final int VIEW_MODE_CANNY = 2;
+ private static final int VIEW_MODE_FEATURES = 5;
+
+ private int mViewMode;
+ private Mat mRgba;
+ private Mat mIntermediateMat;
+ private Mat mGray;
+
+ private MenuItem mItemPreviewRGBA;
+ private MenuItem mItemPreviewGray;
+ private MenuItem mItemPreviewCanny;
+ private MenuItem mItemPreviewFeatures;
+
+ private CameraBridgeViewBase mOpenCvCameraView;
+
+ private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
+ @Override
+ public void onManagerConnected(int status) {
+ switch (status) {
+ case LoaderCallbackInterface.SUCCESS:
+ {
+ Log.i(TAG, "OpenCV loaded successfully");
+
+ // Load native library after(!) OpenCV initialization
+ System.loadLibrary("mixed_sample");
+
+ mOpenCvCameraView.enableView();
+ } break;
+ default:
+ {
+ super.onManagerConnected(status);
+ } break;
+ }
+ }
+ };
+
+ public Sample2MixedProcessing() {
+ Log.i(TAG, "Instantiated new " + this.getClass());
+ }
+
+ /** Called when the activity is first created. */
+ @Override
+ public void onCreate(Bundle savedInstanceState) {
+ Log.i(TAG, "called onCreate");
+ super.onCreate(savedInstanceState);
+ getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
+
+ setContentView(R.layout.tutorial2_surface_view);
+
+ mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial2_activity_surface_view);
+ mOpenCvCameraView.setCvCameraViewListener(this);
+ }
+
+ @Override
+ public boolean onCreateOptionsMenu(Menu menu) {
+ Log.i(TAG, "called onCreateOptionsMenu");
+ mItemPreviewRGBA = menu.add("Preview RGBA");
+ mItemPreviewGray = menu.add("Preview GRAY");
+ mItemPreviewCanny = menu.add("Canny");
+ mItemPreviewFeatures = menu.add("Find features");
+ return true;
+ }
+
+ @Override
+ public void onPause()
+ {
+ super.onPause();
+ if (mOpenCvCameraView != null)
+ mOpenCvCameraView.disableView();
+ }
+
+ @Override
+ public void onResume()
+ {
+ super.onResume();
+ OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
+ }
+
+ public void onDestroy() {
+ super.onDestroy();
+ if (mOpenCvCameraView != null)
+ mOpenCvCameraView.disableView();
+ }
+
+ public void onCameraViewStarted(int width, int height) {
+ mRgba = new Mat(height, width, CvType.CV_8UC4);
+ mIntermediateMat = new Mat(height, width, CvType.CV_8UC4);
+ mGray = new Mat(height, width, CvType.CV_8UC1);
+ }
+
+ public void onCameraViewStopped() {
+ mRgba.release();
+ mGray.release();
+ mIntermediateMat.release();
+ }
+
+ public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
+ final int viewMode = mViewMode;
+ switch (viewMode) {
+ case VIEW_MODE_GRAY:
+ // input frame has gray scale format
+ Imgproc.cvtColor(inputFrame.gray(), mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
+ break;
+ case VIEW_MODE_RGBA:
+ // input frame has RBGA format
+ mRgba = inputFrame.rgba();
+ break;
+ case VIEW_MODE_CANNY:
+ // input frame has gray scale format
+ mRgba = inputFrame.rgba();
+ Imgproc.Canny(inputFrame.gray(), mIntermediateMat, 80, 100);
+ Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
+ break;
+ case VIEW_MODE_FEATURES:
+ // input frame has RGBA format
+ mRgba = inputFrame.rgba();
+ mGray = inputFrame.gray();
+ FindFeatures(mGray.getNativeObjAddr(), mRgba.getNativeObjAddr());
+ break;
+ }
+
+ return mRgba;
+ }
+
+ public boolean onOptionsItemSelected(MenuItem item) {
+ Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
+
+ if (item == mItemPreviewRGBA) {
+ mViewMode = VIEW_MODE_RGBA;
+ } else if (item == mItemPreviewGray) {
+ mViewMode = VIEW_MODE_GRAY;
+ } else if (item == mItemPreviewCanny) {
+ mViewMode = VIEW_MODE_CANNY;
+ } else if (item == mItemPreviewFeatures) {
+ mViewMode = VIEW_MODE_FEATURES;
+ }
+
+ return true;
+ }
+
+ public native void FindFeatures(long matAddrGr, long matAddrRgba);
+}
+++ /dev/null
-<?xml version="1.0" encoding="UTF-8"?>
-<classpath>
- <classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
- <classpathentry kind="con" path="com.android.ide.eclipse.adt.LIBRARIES"/>
- <classpathentry kind="src" path="src"/>
- <classpathentry kind="src" path="gen"/>
- <classpathentry kind="output" path="bin/classes"/>
-</classpath>
+++ /dev/null
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+++ /dev/null
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- <name>OpenCV Tutorial 4 - Mix Java+Native OpenCV</name>
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+++ /dev/null
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android"
- package="org.opencv.samples.tutorial4"
- android:versionCode="21"
- android:versionName="2.1">
-
- <application
- android:label="@string/app_name"
- android:icon="@drawable/icon"
- android:theme="@android:style/Theme.NoTitleBar.Fullscreen" >
-
- <activity android:name="Sample4Mixed"
- android:label="@string/app_name"
- android:screenOrientation="landscape"
- android:configChanges="keyboardHidden|orientation">
- <intent-filter>
- <action android:name="android.intent.action.MAIN" />
- <category android:name="android.intent.category.LAUNCHER" />
- </intent-filter>
- </activity>
- </application>
-
- <supports-screens android:resizeable="true"
- android:smallScreens="true"
- android:normalScreens="true"
- android:largeScreens="true"
- android:anyDensity="true" />
-
- <uses-sdk android:minSdkVersion="8" />
-
- <uses-permission android:name="android.permission.CAMERA"/>
-
- <uses-feature android:name="android.hardware.camera" android:required="false"/>
- <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
- <uses-feature android:name="android.hardware.camera.front" android:required="false"/>
- <uses-feature android:name="android.hardware.camera.front.autofocus" android:required="false"/>
-
-</manifest>
+++ /dev/null
-set(sample example-tutorial-4-mixed)
-
-if(BUILD_FAT_JAVA_LIB)
- set(native_deps opencv_java)
-else()
- set(native_deps opencv_features2d)
-endif()
-
-add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11 ${ANDROID_SDK_TARGET} NATIVE_DEPS ${native_deps})
-if(TARGET ${sample})
- add_dependencies(opencv_android_examples ${sample})
-endif()
+++ /dev/null
-LOCAL_PATH := $(call my-dir)
-
-include $(CLEAR_VARS)
-
-include ../../sdk/native/jni/OpenCV.mk
-
-LOCAL_MODULE := mixed_sample
-LOCAL_SRC_FILES := jni_part.cpp
-LOCAL_LDLIBS += -llog -ldl
-
-include $(BUILD_SHARED_LIBRARY)
+++ /dev/null
-APP_STL := gnustl_static
-APP_CPPFLAGS := -frtti -fexceptions
-APP_ABI := armeabi-v7a
-APP_PLATFORM := android-8
+++ /dev/null
-#include <jni.h>
-#include <opencv2/core/core.hpp>
-#include <opencv2/imgproc/imgproc.hpp>
-#include <opencv2/features2d/features2d.hpp>
-#include <vector>
-
-using namespace std;
-using namespace cv;
-
-extern "C" {
-JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Sample4Mixed_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba);
-
-JNIEXPORT void JNICALL Java_org_opencv_samples_tutorial4_Sample4Mixed_FindFeatures(JNIEnv*, jobject, jlong addrGray, jlong addrRgba)
-{
- Mat& mGr = *(Mat*)addrGray;
- Mat& mRgb = *(Mat*)addrRgba;
- vector<KeyPoint> v;
-
- FastFeatureDetector detector(50);
- detector.detect(mGr, v);
- for( unsigned int i = 0; i < v.size(); i++ )
- {
- const KeyPoint& kp = v[i];
- circle(mRgb, Point(kp.pt.x, kp.pt.y), 10, Scalar(255,0,0,255));
- }
-}
-}
+++ /dev/null
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
- xmlns:tools="http://schemas.android.com/tools"
- android:layout_width="match_parent"
- android:layout_height="match_parent" >
-
- <org.opencv.android.JavaCameraView
- android:layout_width="fill_parent"
- android:layout_height="fill_parent"
- android:id="@+id/tutorial4_activity_surface_view" />
-
-</LinearLayout>
+++ /dev/null
-<?xml version="1.0" encoding="utf-8"?>
-<resources>
- <string name="app_name">OCV T4 Mix Java+Native OpenCV</string>
-</resources>
+++ /dev/null
-package org.opencv.samples.tutorial4;
-
-import org.opencv.android.BaseLoaderCallback;
-import org.opencv.android.CameraBridgeViewBase.CvCameraViewFrame;
-import org.opencv.android.LoaderCallbackInterface;
-import org.opencv.android.OpenCVLoader;
-import org.opencv.core.CvType;
-import org.opencv.core.Mat;
-import org.opencv.android.CameraBridgeViewBase;
-import org.opencv.android.CameraBridgeViewBase.CvCameraViewListener2;
-import org.opencv.imgproc.Imgproc;
-
-import android.app.Activity;
-import android.os.Bundle;
-import android.util.Log;
-import android.view.Menu;
-import android.view.MenuItem;
-import android.view.WindowManager;
-
-public class Sample4Mixed extends Activity implements CvCameraViewListener2 {
- private static final String TAG = "OCVSample::Activity";
-
- private static final int VIEW_MODE_RGBA = 0;
- private static final int VIEW_MODE_GRAY = 1;
- private static final int VIEW_MODE_CANNY = 2;
- private static final int VIEW_MODE_FEATURES = 5;
-
- private int mViewMode;
- private Mat mRgba;
- private Mat mIntermediateMat;
- private Mat mGray;
-
- private MenuItem mItemPreviewRGBA;
- private MenuItem mItemPreviewGray;
- private MenuItem mItemPreviewCanny;
- private MenuItem mItemPreviewFeatures;
-
- private CameraBridgeViewBase mOpenCvCameraView;
-
- private BaseLoaderCallback mLoaderCallback = new BaseLoaderCallback(this) {
- @Override
- public void onManagerConnected(int status) {
- switch (status) {
- case LoaderCallbackInterface.SUCCESS:
- {
- Log.i(TAG, "OpenCV loaded successfully");
-
- // Load native library after(!) OpenCV initialization
- System.loadLibrary("mixed_sample");
-
- mOpenCvCameraView.enableView();
- } break;
- default:
- {
- super.onManagerConnected(status);
- } break;
- }
- }
- };
-
- public Sample4Mixed() {
- Log.i(TAG, "Instantiated new " + this.getClass());
- }
-
- /** Called when the activity is first created. */
- @Override
- public void onCreate(Bundle savedInstanceState) {
- Log.i(TAG, "called onCreate");
- super.onCreate(savedInstanceState);
- getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
-
- setContentView(R.layout.tutorial4_surface_view);
-
- mOpenCvCameraView = (CameraBridgeViewBase) findViewById(R.id.tutorial4_activity_surface_view);
- mOpenCvCameraView.setCvCameraViewListener(this);
- }
-
- @Override
- public boolean onCreateOptionsMenu(Menu menu) {
- Log.i(TAG, "called onCreateOptionsMenu");
- mItemPreviewRGBA = menu.add("Preview RGBA");
- mItemPreviewGray = menu.add("Preview GRAY");
- mItemPreviewCanny = menu.add("Canny");
- mItemPreviewFeatures = menu.add("Find features");
- return true;
- }
-
- @Override
- public void onPause()
- {
- super.onPause();
- if (mOpenCvCameraView != null)
- mOpenCvCameraView.disableView();
- }
-
- @Override
- public void onResume()
- {
- super.onResume();
- OpenCVLoader.initAsync(OpenCVLoader.OPENCV_VERSION_2_4_3, this, mLoaderCallback);
- }
-
- public void onDestroy() {
- super.onDestroy();
- if (mOpenCvCameraView != null)
- mOpenCvCameraView.disableView();
- }
-
- public void onCameraViewStarted(int width, int height) {
- mRgba = new Mat(height, width, CvType.CV_8UC4);
- mIntermediateMat = new Mat(height, width, CvType.CV_8UC4);
- mGray = new Mat(height, width, CvType.CV_8UC1);
- }
-
- public void onCameraViewStopped() {
- mRgba.release();
- mGray.release();
- mIntermediateMat.release();
- }
-
- public Mat onCameraFrame(CvCameraViewFrame inputFrame) {
- final int viewMode = mViewMode;
- switch (viewMode) {
- case VIEW_MODE_GRAY:
- // input frame has gray scale format
- Imgproc.cvtColor(inputFrame.gray(), mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
- break;
- case VIEW_MODE_RGBA:
- // input frame has RBGA format
- mRgba = inputFrame.rgba();
- break;
- case VIEW_MODE_CANNY:
- // input frame has gray scale format
- mRgba = inputFrame.rgba();
- Imgproc.Canny(inputFrame.gray(), mIntermediateMat, 80, 100);
- Imgproc.cvtColor(mIntermediateMat, mRgba, Imgproc.COLOR_GRAY2RGBA, 4);
- break;
- case VIEW_MODE_FEATURES:
- // input frame has RGBA format
- mRgba = inputFrame.rgba();
- mGray = inputFrame.gray();
- FindFeatures(mGray.getNativeObjAddr(), mRgba.getNativeObjAddr());
- break;
- }
-
- return mRgba;
- }
-
- public boolean onOptionsItemSelected(MenuItem item) {
- Log.i(TAG, "called onOptionsItemSelected; selected item: " + item);
-
- if (item == mItemPreviewRGBA) {
- mViewMode = VIEW_MODE_RGBA;
- } else if (item == mItemPreviewGray) {
- mViewMode = VIEW_MODE_GRAY;
- } else if (item == mItemPreviewCanny) {
- mViewMode = VIEW_MODE_CANNY;
- } else if (item == mItemPreviewFeatures) {
- mViewMode = VIEW_MODE_FEATURES;
- }
-
- return true;
- }
-
- public native void FindFeatures(long matAddrGr, long matAddrRgba);
-}