/// <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);
}
}
/// <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;
}
}
/// <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>
/// 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);
}
/// <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;
}
}
}
/// <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));
}
/// <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;
}
}
}
