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Sample_Image.cs
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Sample_Image.cs
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using System;
namespace com.samsung.android.sdk.camera.sample.cases
{
using Activity = android.app.Activity;
using AlertDialog = android.app.AlertDialog;
using DialogInterface = android.content.DialogInterface;
using Intent = android.content.Intent;
using Cursor = android.database.Cursor;
using Bitmap = android.graphics.Bitmap;
using MediaScannerConnection = android.media.MediaScannerConnection;
using Uri = android.net.Uri;
using Bundle = android.os.Bundle;
using Environment = android.os.Environment;
using DocumentsContract = android.provider.DocumentsContract;
using MediaStore = android.provider.MediaStore;
using DisplayMetrics = android.util.DisplayMetrics;
using Log = android.util.Log;
using Menu = android.view.Menu;
using MenuItem = android.view.MenuItem;
using View = android.view.View;
using ImageView = android.widget.ImageView;
using Toast = android.widget.Toast;
using SCameraImage = com.samsung.android.sdk.camera.image.SCameraImage;
using SCameraImageCore = com.samsung.android.sdk.camera.image.SCameraImageCore;
using SCameraImageMatrix = com.samsung.android.sdk.camera.image.SCameraImageMatrix;
public class Sample_Image : Activity
{
/// <summary>
/// Tag for the <seealso cref="Log"/>.
/// </summary>
private const string TAG = "Sample_IPX";
private SCamera mScamera;
/// <summary>
/// Image buffer for processing image.
/// </summary>
private sbyte[] buffer = null;
private static ImageView mInputView;
private static ImageView mOutputView;
private static Bitmap mInputBitmap;
private static Bitmap mOutputBitmap;
private static SCameraImage mInputImage = null;
private static SCameraImage mOutputImage = null;
/// <summary>
/// Current Screen Width width app will use.
/// </summary>
private int mScreenWidth = 0;
///
/// <summary>
/// Current Screen Height app will use.
///
/// </summary>
private int mScreenHeight = 0;
private const int SELECT_PICTURE = 1;
/// <summary>
/// Prepares an UI, like button, dialog, etc. and
/// </summary>
protected internal override void onCreate(Bundle savedInstanceState)
{
base.onCreate(savedInstanceState);
ContentView = R.layout.activity_ipx;
Log.v(TAG, "onCreate");
mInputView = (ImageView)findViewById(R.id.image_in);
mOutputView = (ImageView)findViewById(R.id.image_out);
// Get screen width.
DisplayMetrics dm = new DisplayMetrics();
WindowManager.DefaultDisplay.getMetrics(dm);
mScreenWidth = dm.widthPixels;
mScreenHeight = dm.heightPixels;
// initialize SCamera
mScamera = new SCamera();
try
{
mScamera.initialize(this);
}
catch (SsdkUnsupportedException)
{
showAlertDialog("Fail to initialize SCamera.", true);
return;
}
if (!mScamera.isFeatureEnabled(SCamera.SCAMERA_IMAGE))
{
showAlertDialog("This device does not support SCamera Image Processing Accelerator feature.", true);
return;
}
Log.v(TAG, "SDK feature check passed");
// initialize Gellery button
ImageView openGalleryButton = (ImageView) findViewById(R.id.button1);
openGalleryButton.OnClickListener = new OnClickListenerAnonymousInnerClassHelper(this);
makeBufferWithDefaultPath();
}
private class OnClickListenerAnonymousInnerClassHelper : View.OnClickListener
{
private readonly Sample_Image outerInstance;
public OnClickListenerAnonymousInnerClassHelper(Sample_Image outerInstance)
{
this.outerInstance = outerInstance;
}
public override void onClick(View v)
{
Intent intent = new Intent();
intent.Type = "image/*";
intent.Action = Intent.ACTION_GET_CONTENT;
startActivityForResult(Intent.createChooser(intent, "Select Picture"), SELECT_PICTURE);
}
}
/// <summary>
/// Get selected image from gallery.
/// </summary>
protected internal override void onActivityResult(int requestCode, int resultCode, Intent data)
{
base.onActivityResult(requestCode, resultCode, data);
if (resultCode == RESULT_OK)
{
if (requestCode == SELECT_PICTURE)
{
Uri selectedImageUri = data.Data;
if (!ContentResolver.getType(selectedImageUri).Equals("image/jpeg"))
{
Toast.makeText(this, "Only support JPEG file.", Toast.LENGTH_LONG).show();
return;
}
string imagePath = getPath(selectedImageUri);
if (imagePath == null)
{
Log.d(TAG, "imagepath from getPath null");
// get the id of the image selected by the user
string wholeID = DocumentsContract.getDocumentId(data.Data);
string id = wholeID.Split(":", true)[1];
string[] projection = new string[] {MediaStore.Images.Media.DATA};
string whereClause = MediaStore.Images.Media._ID + "=?";
Cursor cursor = ContentResolver.query(Uri, projection, whereClause, new string[]{id}, null);
if (cursor != null)
{
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
if (cursor.moveToFirst())
{
imagePath = cursor.getString(column_index);
}
cursor.close();
}
else
{
imagePath = selectedImageUri.Path;
Toast.makeText(this, imagePath, Toast.LENGTH_LONG).show();
}
}
Log.d(TAG, "selected file path " + imagePath);
if (mInputImage != null)
{
mInputImage.release();
}
//Make SImage from selected Image and show to Screen.
mInputImage = new SCameraImage(imagePath,SCameraImage.FORMAT_DEFAULT);
mInputBitmap = getOutputBitmap(mInputImage);
if (mInputBitmap == null)
{
makeBufferWithDefaultPath();
}
else
{
mInputView.ImageBitmap = mInputBitmap;
}
mOutputView.ImageBitmap = null;
}
}
}
private Uri Uri
{
get
{
string state = Environment.ExternalStorageState;
if (!state.Equals(Environment.MEDIA_MOUNTED, StringComparison.CurrentCultureIgnoreCase))
{
return MediaStore.Images.Media.INTERNAL_CONTENT_URI;
}
return MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
}
}
private string getPath(Uri uri)
{
if (uri == null)
{
return null;
}
string[] projection = new string[] {MediaStore.Images.Media.DATA};
Cursor cursor = ContentResolver.query(uri, projection, null, null, null);
if (cursor != null)
{
int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
cursor.moveToFirst();
string path = cursor.getString(column_index);
cursor.close();
return path;
}
return uri.Path;
}
public override bool onCreateOptionsMenu(Menu menu)
{
// Inflate the menu; this adds items to the action bar if it is present.
MenuInflater.inflate(R.menu.menu_ipx, menu);
return true;
}
/// <summary>
/// Each Image process working from selected item.
/// </summary>
public override bool onOptionsItemSelected(MenuItem item)
{
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.ItemId;
if (mOutputBitmap != null && id != R.id.Save_as_Jpeg && id != R.id.Save_as_Raw)
{
mOutputBitmap.recycle();
mOutputBitmap = null;
}
if (mOutputImage != null && id != R.id.Save_as_Jpeg && id != R.id.Save_as_Raw)
{
mOutputImage.release();
mOutputImage = null;
}
switch (id)
{
case R.id.Sobel:
{
Log.v(TAG, "Sobel");
//Process sobel.
try
{
mOutputImage = SCameraImageCore.processSobel(mInputImage,100);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Median:
{
Log.v(TAG, "Median");
//Process median.
try
{
mOutputImage = SCameraImageCore.processMedian(mInputImage,5);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Enhance_Contrast:
{
Log.v(TAG, "Enhance_Contrast");
//Process Enhance_Contrast.
try
{
mOutputImage = SCameraImageCore.enhanceContrast(mInputImage,100, 0.5f);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Equalize_Histogram:
{
Log.v(TAG, "Equalize_Histogram");
//Process Equalize_Histogram.
try
{
mOutputImage = SCameraImageCore.equalizeHistogram(mInputImage);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Warp_Affine:
{
Log.v(TAG, "Warp_Affine");
//Make matrix for Warp_Affine
try
{
SCameraImageMatrix mat = SCameraImageCore.DefaultAffineMatrix;
SCameraImageCore.calculateAffineScale(mat,0.5f,0.5f);
SCameraImageCore.calculateAffineSkew(mat,0.9f,0.8f);
SCameraImageCore.calculateAffineRotation(mat,30,400,600);
//Process Warp_Affine.
mOutputImage = SCameraImageCore.warpAffine(mInputImage,mat);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
mat.release();
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Spatial_Filter:
{
Log.v(TAG, "Spatial_Filter");
//Make matrix for Spatial_Filter
int N = 7;
try
{
SCameraImageMatrix matrix = new SCameraImageMatrix(N, N);
for (int i = 0;i < N;i++)
{
for (int j = 0;j < N;j++)
{
matrix.setAt(i,j,1);
}
}
//Process Spatial_Filter.
mOutputImage = SCameraImageCore.filterSpatial(mInputImage,matrix);
//Getting bitmap from output.
mOutputBitmap = getOutputBitmap(mOutputImage);
matrix.release();
if (mOutputBitmap == null)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
mOutputImage.release();
return false;
}
else
{
//Show output image
mOutputView.ImageBitmap = mOutputBitmap;
}
}
catch (System.ArgumentException)
{
Toast.makeText(Application.BaseContext, "Failed to apply effect", Toast.LENGTH_SHORT).show();
return false;
}
return true;
}
case R.id.Save_as_Jpeg:
{
Log.v(TAG, "Save_as_Jpeg");
if (mOutputImage == null)
{
Toast.makeText(Application.BaseContext, "No image to save", Toast.LENGTH_SHORT).show();
return true;
}
//Make filepath.
File fileInjpg = new File(FileName + ".jpg");
//Save to file.
try
{
mOutputImage.saveAsJpeg(fileInjpg.AbsolutePath, 95);
}
catch (System.ArgumentException e)
{
Toast.makeTextuniquetempvar.show();
return true;
}
Toast.makeTextuniquetempvar.show();
MediaScannerConnection.scanFile(this, new string[]{fileInjpg.AbsolutePath}, null, new OnScanCompletedListenerAnonymousInnerClassHelper(this));
return true;
}
case R.id.Save_as_Raw:
{
Log.v(TAG, "Save_as_Raw");
if (mOutputImage == null)
{
Toast.makeText(Application.BaseContext, "No image to save", Toast.LENGTH_SHORT).show();
return true;
}
//Make filepath.
File fileInyuv = new File(FileName + ".yuv");
//Save to file.
try
{
mOutputImage.saveAsRaw(fileInyuv.AbsolutePath);
}
catch (System.ArgumentException e)
{
Toast.makeTextuniquetempvar.show();
return true;
}
Toast.makeTextuniquetempvar.show();
return true;
}
}
return base.onOptionsItemSelected(item);
}
private class OnScanCompletedListenerAnonymousInnerClassHelper : MediaScannerConnection.OnScanCompletedListener
{
private readonly Sample_Image outerInstance;
public OnScanCompletedListenerAnonymousInnerClassHelper(Sample_Image outerInstance)
{
this.outerInstance = outerInstance;
}
public virtual void onScanCompleted(string path, Uri uri)
{
Log.i(TAG, "ExternalStorage Scanned " + path + "-> uri=" + uri);
}
}
/// <summary>
/// Make file name for save image.
/// </summary>
private string FileName
{
get
{
GregorianCalendar calendar = new GregorianCalendar();
calendar.TimeZone = TimeZone.Default;
long dateTaken = calendar.TimeInMillis;
File dir = new File(Environment.ExternalStorageDirectory.Path + "/DCIM/Camera/");
if (!dir.exists())
{
dir.mkdirs();
}
return Environment.ExternalStorageDirectory.Path + "/DCIM/Camera/" + dateTaken.ToString();
}
}
/// <summary>
/// Load default image.
/// </summary>
private void makeBufferWithDefaultPath()
{
Log.v(TAG, "makeBufferWithDefaultPath");
buffer = null;
System.IO.Stream inputStream = Resources.openRawResource(R.raw.flower_resize);
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
int i;
try
{
i = inputStream.Read();
while (i != -1)
{
byteArrayOutputStream.write(i);
i = inputStream.Read();
}
buffer = byteArrayOutputStream.toByteArray();
inputStream.Close();
}
catch (IOException e)
{
Console.WriteLine(e.ToString());
Console.Write(e.StackTrace);
}
mInputImage = new SCameraImage(SCameraImage.FORMAT_DEFAULT, buffer);
mInputBitmap = getOutputBitmap(mInputImage);
mInputView.ImageBitmap = mInputBitmap;
}
/// <summary>
/// Getting bitmap for show UI. Proportion screen width, bitmap size calcurate.
/// </summary>
private Bitmap getOutputBitmap(SCameraImage mImage)
{
float scaleWidth = (float)mScreenWidth / (float)mImage.Width;
float scaleHeight = (float)mScreenHeight / (float)mImage.Height;
float scale = Math.Min(scaleWidth, scaleHeight);
try
{
if (scale < 1)
{
return mImage.getBitmap((int)(scale * mImage.Width), (int)(scale * mImage.Height));
}
else
{
return mImage.Bitmap;
}
}
catch (System.OutOfMemoryException)
{
Log.e(TAG,"Not enough memory to getbitmap");
return null;
}
catch (System.ArgumentException e)
{
Toast.makeTextuniquetempvar.show();
return null;
}
}
//JAVA TO C# CONVERTER WARNING: 'final' parameters are not available in .NET:
//ORIGINAL LINE: private void showAlertDialog(String message, final boolean finishActivity)
private void showAlertDialog(string message, bool finishActivity)
{
//JAVA TO C# CONVERTER WARNING: The original Java variable was marked 'final':
//ORIGINAL LINE: final android.app.AlertDialog.Builder dialog = new android.app.AlertDialog.Builder(this);
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setMessage(message).setIcon(android.R.drawable.ic_dialog_alert).setTitle("Alert").setPositiveButton(android.R.@string.ok, new OnClickListenerAnonymousInnerClassHelper(this, finishActivity, dialog))
.Cancelable = false;
runOnUiThread(() =>
{
dialog.show();
});
}
private class OnClickListenerAnonymousInnerClassHelper : DialogInterface.OnClickListener
{
private readonly Sample_Image outerInstance;
private bool finishActivity;
private AlertDialog.Builder dialog;
public OnClickListenerAnonymousInnerClassHelper(Sample_Image outerInstance, bool finishActivity, AlertDialog.Builder dialog)
{
this.outerInstance = outerInstance;
this.finishActivity = finishActivity;
this.dialog = dialog;
}
public override void onClick(DialogInterface dialog, int which)
{
dialog.dismiss();
if (finishActivity)
{
finish();
}
}
}
protected internal override void onDestroy()
{
Log.v(TAG, "onDestroy");
if (mInputBitmap != null)
{
mInputBitmap.recycle();
}
if (mOutputBitmap != null)
{
mOutputBitmap.recycle();
}
if (mInputImage != null)
{
mInputImage.release();
}
buffer = null;
mScamera = null;
base.onPause();
}
}
}