// <summary>
// Called automatically whenever an activity finishes
// </summary>
// <param name = "requestCode" ></ param >
// < param name="resultCode"></param>
/// <param name="data"></param>
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//Make image available in the gallery
/*
* Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
* var contentUri = Android.Net.Uri.FromFile(_file);
* mediaScanIntent.SetData(contentUri);
* SendBroadcast(mediaScanIntent);
*/
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
ReplaceDisplay();
// Build our gridview, and assign functions to each button
var gridView = FindViewById <GridView>(Resource.Id.gridView);
gridView.Adapter = new ImageAdapter(this);
gridView.ItemClick += GridView_ItemClick;
// Dispose of the Java side bitmap.
System.GC.Collect();
}
//Create the remove red button
private void NoRed(object sender, System.EventArgs e)
{
ImageView imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
Android.Graphics.Bitmap bitmap = _file.Path.LoadAndResizeBitmap(width, height);
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
//00000000 00000000 00000000 00000000
//long mask = (long)0xFF00FFFF;
//p = p & (int)mask;
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
if (bitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
}
System.GC.Collect();
}
private void HighContrast(ImageView imageoutput)
{
Android.Graphics.Drawables.BitmapDrawable bd = (Android.Graphics.Drawables.BitmapDrawable)imageoutput.Drawable;
Android.Graphics.Bitmap bitmap = bd.Bitmap;
if (bitmap != null)
{
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = (byte)(ContrastPixelValue(c.R));
c.G = (byte)(ContrastPixelValue(c.G));
c.B = (byte)(ContrastPixelValue(c.B));
copyBitmap.SetPixel(i, j, c);
}
}
if (copyBitmap != null)
{
imageoutput.SetImageBitmap(copyBitmap);
bitmap = null;
copyBitmap = null;
}
System.GC.Collect();
}
}
// <summary>
// Called automatically whenever an activity finishes
// </summary>
// <param name = "requestCode" ></ param >
// < param name="resultCode"></param>
/// <param name="data"></param>
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//Make image available in the gallery
/*
* Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
* var contentUri = Android.Net.Uri.FromFile(_file);
* mediaScanIntent.SetData(contentUri);
* SendBroadcast(mediaScanIntent);
*/
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
if (bitmap != null)
{
//AC: workaround for not passing actual files
//bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
//copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
//AddRandomNoise();
//HighContrast();
//TempHolder();
//TempHolder2();
}
bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
if (bitmap != null)
{
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
}
if (copyBitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
copyBitmap = null;
}
var gridView = FindViewById <GridView>(Resource.Id.gridView);
gridView.Adapter = new ImageAdapter(this);
gridView.ItemClick += GridView_ItemClick;
// Dispose of the Java side bitmap.
System.GC.Collect();
}
// <summary>
// Called automatically whenever an activity finishes
// </summary>
// <param name = "requestCode" ></ param >
// < param name="resultCode"></param>
/// <param name="data"></param>
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//Make image available in the gallery
/*
* Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
* var contentUri = Android.Net.Uri.FromFile(_file);
* mediaScanIntent.SetData(contentUri);
* SendBroadcast(mediaScanIntent);
*/
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
ImageView imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
//AC: workaround for not passing actual files
Android.Graphics.Bitmap bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
//Android.Graphics.Bitmap bitmap = _file.Path.LoadAndResizeBitmap(width, height);
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Alpha8, true);
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
//00000000 00000000 00000000 00000000
//long mask = (long)0xFF00FFFF;
//p = p & (int)mask;
Android.Graphics.Color c = new Android.Graphics.Color(p);
//TODO: fix
//c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
if (bitmap != null)
{
imageView.SetImageBitmap(bitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
}
// Dispose of the Java side bitmap.
System.GC.Collect();
}
public override VectorElement BuildClusterElement(MapPos pos, VectorElementVector elements)
{
MarkerStyle style = null;
// Try to reuse existing marker styles
if (markerStyles.ContainsKey(elements.Count))
{
style = markerStyles[elements.Count];
}
if (elements.Count == 1)
{
style = (elements[0] as Marker).Style;
}
if (style == null)
{
Android.Graphics.Bitmap canvasBitmap = markerBitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
Android.Graphics.Canvas canvas = new Android.Graphics.Canvas(canvasBitmap);
Android.Graphics.Paint paint = new Android.Graphics.Paint(Android.Graphics.PaintFlags.AntiAlias);
paint.TextAlign = (Android.Graphics.Paint.Align.Center);
paint.TextSize = 12;
paint.Color = Android.Graphics.Color.Argb(255, 0, 0, 0);
float x = markerBitmap.Width / 2;
float y = markerBitmap.Height / 2 - 5;
canvas.DrawText(elements.Count.ToString(), x, y, paint);
MarkerStyleBuilder styleBuilder = new MarkerStyleBuilder();
styleBuilder.Bitmap = BitmapUtils.CreateBitmapFromAndroidBitmap(canvasBitmap);
styleBuilder.Size = 30;
styleBuilder.PlacementPriority = -elements.Count;
style = styleBuilder.BuildStyle();
markerStyles.Add(elements.Count, style);
}
// Create marker for the cluster
Marker marker = new Marker(pos, style);
return(marker);
}
private void RandomNoise(ImageView imageoutput)
{
Android.Graphics.Drawables.BitmapDrawable bd = (Android.Graphics.Drawables.BitmapDrawable)imageoutput.Drawable;
Android.Graphics.Bitmap bitmap = bd.Bitmap;
System.Random rnd = new Random();
if (bitmap != null)
{
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int noise = rnd.Next(-7, 7);
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
// int red = c.R + noise;
// int green = c.G + noise;
// int blue = c.B + noise;
c.R = (byte)(AdjustPixelValue(c.R + noise));
c.G = (byte)(AdjustPixelValue(c.G + noise));
c.B = (byte)(AdjustPixelValue(c.B + noise));
copyBitmap.SetPixel(i, j, c);
}
}
if (copyBitmap != null)
{
imageoutput.SetImageBitmap(copyBitmap);
bitmap = null;
copyBitmap = null;
}
System.GC.Collect();
}
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
Android.Graphics.Bitmap bitmap = bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
Android.Graphics.Bitmap copyBitmap = null;
bool original_pic = true;
ImageView imageView = null;
base.OnActivityResult(requestCode, resultCode, data);
Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
var contentUri = Android.Net.Uri.FromFile(_file);
mediaScanIntent.SetData(contentUri);
SendBroadcast(mediaScanIntent);
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
imageView = FindViewById <ImageView>(Resource.Id.takenPicture);
int height = Resources.DisplayMetrics.HeightPixels;
int width = height;
// width = imageView.Height;
//bitmap = _file.Path.LoadAndResizeBitmap(width, height);
if (bitmap != null)
{
SetContentView(Resource.Layout.layout1);
imageView = FindViewById <ImageView>(Resource.Id.takenPicture);
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
imageView.SetImageBitmap(bitmap);
}
else
{
//SetContentView(Resource.Layout.Main);
if (IsThereAnAppToTakePictures() == true)
{
CreateDirectoryForPictures();
FindViewById <Button>(Resource.Id.launchCamera).Click += TakePicture;
}
}
Button RemoveRed = FindViewById <Button>(Resource.Id.removeRed);
Button RemoveGreen = FindViewById <Button>(Resource.Id.removeGreen);
Button RemoveBlue = FindViewById <Button>(Resource.Id.removeBlue);
Button NegateRed = FindViewById <Button>(Resource.Id.NegateRed);
Button NegateGreen = FindViewById <Button>(Resource.Id.NegateGreen);
Button NegateBlue = FindViewById <Button>(Resource.Id.NegateBlue);
Button GreyScale = FindViewById <Button>(Resource.Id.GreyScale);
Button HighContrast = FindViewById <Button>(Resource.Id.HighContrast);
Button WoodGrain = FindViewById <Button>(Resource.Id.Woodgrain);
Button NewPicture = FindViewById <Button>(Resource.Id.NewPicture);
Button Clear = FindViewById <Button>(Resource.Id.Clear);
// check bitmap to see if it is null
if (copyBitmap != null)
{
RemoveRed.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
RemoveGreen.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
RemoveBlue.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
NegateRed.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = (byte)(255 - c.R);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
NegateGreen.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = (byte)(255 - c.G);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
NegateBlue.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = (byte)(255 - c.B);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
GreyScale.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int average = 0;
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
average = (r_temp + g_temp + b_temp) / 3;
c.R = Convert.ToByte(average);
c.G = Convert.ToByte(average);
c.B = Convert.ToByte(average);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
HighContrast.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int check_num = 255 / 2;
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
if (r_temp > check_num)
{
r_temp = 255;
}
else
{
r_temp = 0;
}
if (g_temp > check_num)
{
g_temp = 255;
}
else
{
g_temp = 0;
}
if (b_temp > check_num)
{
b_temp = 255;
}
else
{
b_temp = 0;
}
c.R = Convert.ToByte(r_temp);
c.G = Convert.ToByte(g_temp);
c.B = Convert.ToByte(b_temp);
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
WoodGrain.Click += delegate
{
for (int i = 0; i < copyBitmap.Width; i++)
{
for (int j = 0; j < copyBitmap.Height; j++)
{
int p = copyBitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
Random r = new Random();
int randnum = r.Next(-20, 21);
int r_temp = c.R;
int g_temp = c.G;
int b_temp = c.B;
r_temp = r_temp + randnum;
g_temp = g_temp + randnum;
b_temp = b_temp + randnum;
if (r_temp > 255)
{
c.R = 255;
}
else if (r_temp < 0)
{
c.R = 0;
}
else
{
c.R = Convert.ToByte(r_temp);
}
if (g_temp > 255)
{
c.G = 255;
}
else if (g_temp < 0)
{
c.G = 0;
}
else
{
c.G = Convert.ToByte(g_temp);
}
if (b_temp > 255)
{
c.B = 255;
}
else if (b_temp < 0)
{
c.B = 0;
}
else
{
c.B = Convert.ToByte(b_temp);
}
copyBitmap.SetPixel(i, j, c);
}
}
imageView.SetImageBitmap(copyBitmap);
original_pic = false;
};
NewPicture.Click += delegate
{
SetContentView(Resource.Layout.Main);
if (IsThereAnAppToTakePictures() == true)
{
CreateDirectoryForPictures();
FindViewById <Button>(Resource.Id.launchCamera).Click += TakePicture;
}
};
Clear.Click += delegate
{
if (original_pic == false)
{
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
imageView.SetImageBitmap(copyBitmap);
original_pic = true;
}
else if (original_pic)
{
Toast.MakeText(this, "No Effects Used", ToastLength.Short).Show();
}
};
}
}
// <summary>
// Called automatically whenever an activity finishes
// </summary>
// <param name = "requestCode" ></ param >
// < param name="resultCode"></param>
// <param name="data"> </param>
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//Make image available in the gallery
/*
* Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
* var contentUri = Android.Net.Uri.FromFile(_file);
* mediaScanIntent.SetData(contentUri);
* SendBroadcast(mediaScanIntent);
*/
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
ImageView imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
Android.Graphics.Bitmap bitmap = _file.Path.LoadAndResizeBitmap(width, height);
// AC: workaround for not passing actual files
//Android.Graphics.Bitmap bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
// removes all red from the picture
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
}
}
if (copyBitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
copyBitmap = null;
}
// removes all blue from the picture
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = 0;
copyBitmap.SetPixel(i, j, c);
}
}
if (copyBitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
copyBitmap = null;
}
// removes all green from the picture
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = 0;
copyBitmap.SetPixel(i, j, c);
}
}
if (copyBitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
copyBitmap = null;
}
// changes all the colors in the picture to high contrast
for (int i = 0; i < bitmap.Height; i++)
{
for (int j = 0; j < bitmap.Width; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int red_pixel = c.R;
int green_pixel = c.B;
int blue_pixel = c.G;
if (red_pixel > (255 / 2) || green_pixel > (255 / 2) || blue_pixel > (255 / 2))
{
int r = bitmap.GetPixel(i, j);
c.R = 255;
c.G = 255;
c.B = 255;
}
else
{
int s = bitmap.GetPixel(i, j);
c.R = 0;
c.G = 0;
c.B = 0;
}
}
}
// changes all the colors in the picture to grayscale
for (int i = 0; i < bitmap.Height; i++)
{
for (int j = 0; j < bitmap.Width; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int red_pixel = c.R;
int green_pixel = c.G;
int blue_pixel = c.B;
red_pixel = (red_pixel + green_pixel + blue_pixel) / 3;
green_pixel = (red_pixel + green_pixel + blue_pixel) / 3;
blue_pixel = (red_pixel + green_pixel + blue_pixel) / 3;
}
}
// adds random noise to all of the colors in the pictures
/* for(int i = 0; i < bitmap.Height; i++)
* {
* for(int j = 0; j < bitmap.Width; j++)
* {
* int random_pixel = rand % 21 + -10;
* int random_red = 0, random_green = 0, random_blue = 0;
* }
* }
*/
// Dispose of the Java side bitmap
System.GC.Collect();
}
private void Blur() //
{
//Toast.MakeText(this.ApplicationContext, "Method Blur() has been called.", ToastLength.Short).Show();
//this code blurs each pixel with it's immediate neighbors (L & R, U & D), 1 time(s)
Android.Graphics.Bitmap prevBitmap;
for (int blurCount = 0; blurCount < 1; blurCount++)
{
prevBitmap = copyBitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
//fetch our pixel
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
if (i == 0) // we're at left border, fetch only right pixel
{
int r = bitmap.GetPixel(i + 1, j);
Android.Graphics.Color cR = new Android.Graphics.Color(r);
Android.Graphics.Color[] cr = new Android.Graphics.Color[] { c, cR };
c = BlurHelper(cr);
}
else if (i == bitmap.Width - 1) // we're at right border, fetch only left pixel
{
int l = bitmap.GetPixel(i - 1, j);
Android.Graphics.Color cL = new Android.Graphics.Color(l);
Android.Graphics.Color[] lc = new Android.Graphics.Color[] { cL, c };
c = BlurHelper(lc);
}
else // otherwise, fetch both left and right pixels
{
int l = bitmap.GetPixel(i - 1, j);
Android.Graphics.Color cL = new Android.Graphics.Color(l);
int r = bitmap.GetPixel(i + 1, j);
Android.Graphics.Color cR = new Android.Graphics.Color(r);
Android.Graphics.Color[] lcr = new Android.Graphics.Color[] { cL, c, cR };
c = BlurHelper(lcr);
}
if (j == 0) // we're at top border, fetch only down pixel
{
int d = bitmap.GetPixel(i, j + 1);
Android.Graphics.Color cD = new Android.Graphics.Color(d);
Android.Graphics.Color[] cd = new Android.Graphics.Color[] { c, cD };
c = BlurHelper(cd);
}
else if (j == bitmap.Height - 1) // we're at bottom border, fetch only up pixel
{
int u = bitmap.GetPixel(i, j - 1);
Android.Graphics.Color cU = new Android.Graphics.Color(u);
Android.Graphics.Color[] uc = new Android.Graphics.Color[] { cU, c };
c = BlurHelper(uc);
}
else // otherwise, fetch both up and down pixels
{
int u = bitmap.GetPixel(i, j - 1);
Android.Graphics.Color cU = new Android.Graphics.Color(u);
int d = bitmap.GetPixel(i, j + 1);
Android.Graphics.Color cD = new Android.Graphics.Color(d);
Android.Graphics.Color[] ucd = new Android.Graphics.Color[] { cU, c, cD };
c = BlurHelper(ucd);
}
copyBitmap.SetPixel(i, j, c);
}
}
}
}
private void GridView_ItemClick(object sender, AdapterView.ItemClickEventArgs e)
{
copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
if (e.Position == 0) // "ADD RED"
{
AddRed();
}
else if (e.Position == 1) // "ADD GREEN"
{
AddGreen();
}
else if (e.Position == 2) // "ADD BLUE"
{
AddBlue();
}
else if (e.Position == 3) // "TINT"
{
Tint();
}
else if (e.Position == 4) // "ADD RANDOM NOISE"
{
AddRandomNoise();
}
else if (e.Position == 5) // "REMOVE RED"
{
RemoveRed();
}
else if (e.Position == 6) // "REMOVE GREEN"
{
RemoveGreen();
}
else if (e.Position == 7) // "REMOVE BLUE"
{
RemoveBlue();
}
else if (e.Position == 8) // "GRAYSCALE"
{
Grayscale();
}
else if (e.Position == 9) // "BLUR"
{
Blur();
}
else if (e.Position == 10) // "NEGATE RED"
{
NegateRed();
}
else if (e.Position == 11) // "NEGATE GREEN"
{
NegateGreen();
}
else if (e.Position == 12) // "NEGATE BLUE"
{
NegateBlue();
}
else if (e.Position == 13) // "HIGH CONTRAST"
{
HighContrast();
}
else if (e.Position == 14) // "PIXELATE"
{
Pixelate();
}
else if (e.Position == 15) // "FLIP HORIZONTALLY"
{
FlipHorizontally();
}
else if (e.Position == 16) // "FLIP VERTICALLY"
{
FlipVertically();
}
else if (e.Position == 17) // "ROTATE 90 DEGREES"
{
Rotate90();
}
else if (e.Position == 18) // "REVERT"
{
Toast.MakeText(this.ApplicationContext, "Image reset.", ToastLength.Short).Show();
}
else if (e.Position == 19) // "WOODGRAIN EFFECT"
{
Woodgrain();
}
else // Error
{
// The grid item clicked does not match one of the 20 initialized: {0-19}
Toast.MakeText(this.ApplicationContext, "AN ERROR HAS OCCURED.", ToastLength.Short).Show();
}
ReplaceDisplay();
}
// <summary>
// Called automatically whenever an activity finishes
// </summary>
// <param name = "requestCode" ></ param >
// < param name="resultCode"></param>
// <param name="data"></param>
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
//Make image available in the gallery
Intent mediaScanIntent = new Intent(Intent.ActionMediaScannerScanFile);
var contentUri = Android.Net.Uri.FromFile(_file);
//Uri uri = contentUri.Data;
mediaScanIntent.SetData(contentUri);
SendBroadcast(mediaScanIntent);
// Display in ImageView. We will resize the bitmap to fit the display.
// Loading the full sized image will consume too much memory
// and cause the application to crash.
ImageView imageView = FindViewById <ImageView>(Resource.Id.takenPictureImageView);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
//AC: workaround for not passing actual files
Android.Graphics.Bitmap bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
//Android.Graphics.Bitmap bitmap = _file.Path.LoadAndResizeBitmap(width, height);
//this code removes all red from a picture
/*for (int i = 0; i < bitmap.Width; i++)
* {
* for (int j = 0; j < bitmap.Height; j++)
* {
* int p = bitmap.GetPixel(i, j);
* Android.Graphics.Color c = new Android.Graphics.Color(p);
* c.R = 0;
* copyBitmap.SetPixel(i, j, c);
* }
* }*/
if (bitmap != null)
{
/*Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
* Android.Graphics.Bitmap OGBitmap = copyBitmap;*/
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
imageView.SetImageBitmap(copyBitmap);
imageView.Visibility = Android.Views.ViewStates.Visible;
//allows user to see the hidden buttons for effects now
Button negRed = FindViewById <Button>(Resource.Id.negatered);
Button negGre = FindViewById <Button>(Resource.Id.negategreen);
Button negBlu = FindViewById <Button>(Resource.Id.negateblue);
Button remGre = FindViewById <Button>(Resource.Id.removegreen);
Button highCon = FindViewById <Button>(Resource.Id.highcontrast);
Button graSca = FindViewById <Button>(Resource.Id.greyscale);
Button remRed = FindViewById <Button>(Resource.Id.removered);
Button remBlu = FindViewById <Button>(Resource.Id.removeblue);
negRed.Visibility = Android.Views.ViewStates.Visible;
negGre.Visibility = Android.Views.ViewStates.Visible;
negBlu.Visibility = Android.Views.ViewStates.Visible;
remGre.Visibility = Android.Views.ViewStates.Visible;
highCon.Visibility = Android.Views.ViewStates.Visible;
graSca.Visibility = Android.Views.ViewStates.Visible;
remRed.Visibility = Android.Views.ViewStates.Visible;
remBlu.Visibility = Android.Views.ViewStates.Visible;
//Negate red effect
negRed.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = (byte)(255 - c.R);
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Negate green effect
negGre.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = (byte)(255 - c.G);
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Negate blue effect
negBlu.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = (byte)(255 - c.B);
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Grayscale effect
graSca.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
int r = c.R;
int b = c.B;
int g = c.G;
c.R = (byte)((r + b + g) / 3);
c.B = (byte)((r + b + g) / 3);
c.G = (byte)((r + b + g) / 3);
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Remove Red effect
remRed.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = 0;
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Remove Blue effect
remBlu.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = 0;
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//Remove Green effect
remGre.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = 0;
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
//High Contrast effect
highCon.Click += delegate
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
if (c.R > 177)
{
c.R = 255;
}
else
{
c.R = 0;
}
if (c.G > 177)
{
c.G = 255;
}
else
{
c.G = 0;
}
if (c.B > 177)
{
c.B = 255;
}
else
{
c.B = 0;
}
copyBitmap.SetPixel(i, j, c);
imageView.SetImageBitmap(copyBitmap);
}
}
};
}
// Dispose of the Java side bitmap.
System.GC.Collect();
}
protected override void OnActivityResult(int requestCode, Result resultCode, Intent data)
{
base.OnActivityResult(requestCode, resultCode, data);
if (requestCode == 1)
{
if (resultCode == Result.Ok)
{
var imageView = FindViewById <ImageView>(Resource.Id.imageoutput);
imageView.SetImageURI(data.Data);
Android.Graphics.Drawables.BitmapDrawable bd = (Android.Graphics.Drawables.BitmapDrawable)imageView.Drawable;
Android.Graphics.Bitmap bitmap = bd.Bitmap;
//Gotta shrink down the bitmaps because they tend to be too big
int height = bitmap.Height;
int width = bitmap.Width;
ScaleBounds(ref height, ref width);
Android.Graphics.Bitmap smallBitmap =
Android.Graphics.Bitmap.CreateScaledBitmap(bitmap, width, height, true);
imageView.SetImageBitmap(smallBitmap);
mainbp = smallBitmap;
imageView.Visibility = Android.Views.ViewStates.Visible;
}
}
else if (requestCode == 0)
{
if (resultCode == Result.Ok)
{
ImageView imageView = FindViewById <ImageView>(Resource.Id.imageoutput);
int height = Resources.DisplayMetrics.HeightPixels;
int width = imageView.Height;
//AC: workaround for not passing actual files
Android.Graphics.Bitmap bitmap = (Android.Graphics.Bitmap)data.Extras.Get("data");
Android.Graphics.Bitmap copyBitmap =
bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
if (copyBitmap != null)
{
imageView.SetImageBitmap(copyBitmap);
mainbp = copyBitmap;
imageView.Visibility = Android.Views.ViewStates.Visible;
bitmap = null;
copyBitmap = null;
}
// Dispose of the Java side bitmap.
System.GC.Collect();
}
}
}
private void NegateColor(char color, ImageView imageoutput)
{
//Weird hoops you gotta go through to get some bitmaps :/
Android.Graphics.Drawables.BitmapDrawable bd = (Android.Graphics.Drawables.BitmapDrawable)imageoutput.Drawable;
Android.Graphics.Bitmap bitmap = bd.Bitmap;
Android.Graphics.Bitmap copyBitmap = bitmap.Copy(Android.Graphics.Bitmap.Config.Argb8888, true);
if (bitmap != null)
{
switch (color)
{
case 'r':
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.R = (byte)(255 - c.R);
copyBitmap.SetPixel(i, j, c);
}
}
break;
}
case 'g':
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.G = (byte)(255 - c.G);
copyBitmap.SetPixel(i, j, c);
}
}
break;
}
case 'b':
{
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
int p = bitmap.GetPixel(i, j);
Android.Graphics.Color c = new Android.Graphics.Color(p);
c.B = (byte)(255 - c.B);
copyBitmap.SetPixel(i, j, c);
}
}
break;
}
default:
{
break;
}
}
if (copyBitmap != null)
{
imageoutput.SetImageBitmap(copyBitmap);
bitmap = null;
copyBitmap = null;
}
System.GC.Collect();
}
}