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mirror of https://github.com/opencv/opencv.git synced 2026-07-30 07:43:03 +04:00

Android samples are renamed

This commit is contained in:
Andrey Kamaev
2011-07-15 15:56:08 +00:00
parent 39dab5e0cf
commit 7c6fc6e18a
62 changed files with 28 additions and 28 deletions
@@ -0,0 +1,7 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="src" path="gen"/>
<classpathentry kind="con" path="com.android.ide.eclipse.adt.ANDROID_FRAMEWORK"/>
<classpathentry kind="output" path="bin"/>
</classpath>
@@ -0,0 +1,33 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>Tutorial 1 Basic - 0. Android Camera</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<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>
</buildSpec>
<natures>
<nature>com.android.ide.eclipse.adt.AndroidNature</nature>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>
@@ -0,0 +1,5 @@
#Wed Jun 29 04:36:40 MSD 2011
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.5
org.eclipse.jdt.core.compiler.compliance=1.5
org.eclipse.jdt.core.compiler.source=1.5
@@ -0,0 +1,31 @@
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="org.opencv.samples.tutorial0"
android:versionCode="1"
android:versionName="1.0">
<supports-screens android:resizeable="true"
android:smallScreens="true"
android:normalScreens="true"
android:largeScreens="true"
android:anyDensity="true" />
<application android:label="@string/app_name" android:icon="@drawable/icon">
<activity android:name="Sample0Base"
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>
<uses-sdk android:minSdkVersion="8" />
<uses-permission android:name="android.permission.CAMERA"/>
<uses-feature android:name="android.hardware.camera" />
<uses-feature android:name="android.hardware.camera.autofocus" />
</manifest>
@@ -0,0 +1,2 @@
# Project target.
target=android-8
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@@ -0,0 +1,4 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<string name="app_name">Tutorial 1 Basic - 0. Android Camera</string>
</resources>
@@ -0,0 +1,51 @@
package org.opencv.samples.tutorial0;
import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.Window;
public class Sample0Base extends Activity {
private static final String TAG = "Sample::Activity";
public static final int VIEW_MODE_RGBA = 0;
public static final int VIEW_MODE_GRAY = 1;
private MenuItem mItemPreviewRGBA;
private MenuItem mItemPreviewGray;
public static int viewMode = VIEW_MODE_RGBA;
public Sample0Base() {
Log.i(TAG, "Instantiated new " + this.getClass());
}
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
Log.i(TAG, "onCreate");
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(new Sample0View(this));
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
Log.i(TAG, "onCreateOptionsMenu");
mItemPreviewRGBA = menu.add("Preview RGBA");
mItemPreviewGray = menu.add("Preview GRAY");
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
Log.i(TAG, "Menu Item selected " + item);
if (item == mItemPreviewRGBA)
viewMode = VIEW_MODE_RGBA;
else if (item == mItemPreviewGray)
viewMode = VIEW_MODE_GRAY;
return true;
}
}
@@ -0,0 +1,46 @@
package org.opencv.samples.tutorial0;
import android.content.Context;
import android.graphics.Bitmap;
class Sample0View extends SampleViewBase {
public Sample0View(Context context) {
super(context);
}
@Override
protected Bitmap processFrame(byte[] data) {
int frameSize = getFrameWidth() * getFrameHeight();
int[] rgba = new int[frameSize];
int view_mode = Sample0Base.viewMode;
if (view_mode == Sample0Base.VIEW_MODE_GRAY) {
for (int i = 0; i < frameSize; i++) {
int y = (0xff & ((int) data[i]));
rgba[i] = 0xff000000 + (y << 16) + (y << 8) + y;
}
} else if (view_mode == Sample0Base.VIEW_MODE_RGBA) {
for (int i = 0; i < getFrameHeight(); i++)
for (int j = 0; j < getFrameWidth(); j++) {
int y = (0xff & ((int) data[i * getFrameWidth() + j]));
int u = (0xff & ((int) data[frameSize + (i >> 1) * getFrameWidth() + (j & ~1) + 0]));
int v = (0xff & ((int) data[frameSize + (i >> 1) * getFrameWidth() + (j & ~1) + 1]));
y = y < 16 ? 16 : y;
int r = Math.round(1.164f * (y - 16) + 1.596f * (v - 128));
int g = Math.round(1.164f * (y - 16) - 0.813f * (v - 128) - 0.391f * (u - 128));
int b = Math.round(1.164f * (y - 16) + 2.018f * (u - 128));
r = r < 0 ? 0 : (r > 255 ? 255 : r);
g = g < 0 ? 0 : (g > 255 ? 255 : g);
b = b < 0 ? 0 : (b > 255 ? 255 : b);
rgba[i * getFrameWidth() + j] = 0xff000000 + (b << 16) + (g << 8) + r;
}
}
Bitmap bmp = Bitmap.createBitmap(getFrameWidth(), getFrameHeight(), Bitmap.Config.ARGB_8888);
bmp.setPixels(rgba, 0/* offset */, getFrameWidth() /* stride */, 0, 0, getFrameWidth(), getFrameHeight());
return bmp;
}
}
@@ -0,0 +1,119 @@
package org.opencv.samples.tutorial0;
import java.util.List;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.hardware.Camera;
import android.hardware.Camera.PreviewCallback;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public abstract class SampleViewBase extends SurfaceView implements SurfaceHolder.Callback, Runnable {
private static final String TAG = "Sample::SurfaceView";
private Camera mCamera;
private SurfaceHolder mHolder;
private int mFrameWidth;
private int mFrameHeight;
private byte[] mFrame;
private boolean mThreadRun;
public SampleViewBase(Context context) {
super(context);
mHolder = getHolder();
mHolder.addCallback(this);
Log.i(TAG, "Instantiated new " + this.getClass());
}
public int getFrameWidth() {
return mFrameWidth;
}
public int getFrameHeight() {
return mFrameHeight;
}
public void surfaceChanged(SurfaceHolder _holder, int format, int width, int height) {
Log.i(TAG, "surfaceCreated");
if (mCamera != null) {
Camera.Parameters params = mCamera.getParameters();
List<Camera.Size> sizes = params.getSupportedPreviewSizes();
mFrameWidth = width;
mFrameHeight = height;
// selecting optimal camera preview size
{
double minDiff = Double.MAX_VALUE;
for (Camera.Size size : sizes) {
if (Math.abs(size.height - height) < minDiff) {
mFrameWidth = size.width;
mFrameHeight = size.height;
minDiff = Math.abs(size.height - height);
}
}
}
params.setPreviewSize(getFrameWidth(), getFrameHeight());
mCamera.setParameters(params);
mCamera.startPreview();
}
}
public void surfaceCreated(SurfaceHolder holder) {
Log.i(TAG, "surfaceCreated");
mCamera = Camera.open();
mCamera.setPreviewCallback(new PreviewCallback() {
public void onPreviewFrame(byte[] data, Camera camera) {
synchronized (SampleViewBase.this) {
mFrame = data;
SampleViewBase.this.notify();
}
}
});
(new Thread(this)).start();
}
public void surfaceDestroyed(SurfaceHolder holder) {
Log.i(TAG, "surfaceDestroyed");
mThreadRun = false;
if (mCamera != null) {
synchronized (this) {
mCamera.stopPreview();
mCamera.setPreviewCallback(null);
mCamera.release();
mCamera = null;
}
}
}
protected abstract Bitmap processFrame(byte[] data);
public void run() {
mThreadRun = true;
Log.i(TAG, "Starting processing thread");
while (mThreadRun) {
Bitmap bmp = null;
synchronized (this) {
try {
this.wait();
bmp = processFrame(mFrame);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (bmp != null) {
Canvas canvas = mHolder.lockCanvas();
if (canvas != null) {
canvas.drawBitmap(bmp, (canvas.getWidth() - getFrameWidth()) / 2, (canvas.getHeight() - getFrameHeight()) / 2, null);
mHolder.unlockCanvasAndPost(canvas);
}
bmp.recycle();
}
}
}
}