private static int detectRight(WriteableBitmap bmp)
{
for (int c = (bmp.PixelWidth - 1); c > 0; c--)
{
int count = 0;
for (int r = (bmp.PixelHeight - 1); r > 0; r--)
{
Color color = bmp.GetPixel(c, r);
if (color == Colors.White)
{
count++;
}
}
if (count > thCountY(bmp.PixelHeight) / 8)
{
return c;
}
}
return 0;
}
private void TimerOnTick(object sender, EventArgs eventArgs)
{
lastCount = count;
count = 0;
int[] pixelData = new int[(int)(camera.PreviewResolution.Width * camera.PreviewResolution.Height)]; //640x480
camera.GetPreviewBufferArgb32(pixelData);
WriteableBitmap freezeWriteableBitmap = new WriteableBitmap((int)camera.PreviewResolution.Width, (int)camera.PreviewResolution.Height);
pixelData.CopyTo(freezeWriteableBitmap.Pixels, 0);
freezeWriteableBitmap.Invalidate();
// timer.Stop();
int[] buffer1 = buffer;
try
{
camera.GetPreviewBufferArgb32(buffer);
// camera.GetPreviewBufferY(bufferr);
}
catch (Exception e)
{
}
//int t = 128;
freezeWriteableBitmap = freezeWriteableBitmap.Resize(t, t,
WriteableBitmapExtensions.Interpolation.Bilinear);
/*
for (int i = 0; i < bufferr.Length; i++)
{
if (bufferLast[i] != bufferr[i])
{
count++;
}
}*/
/*
for (int i = 0; i < t; i++)
{
for (int j = 0; j < t; j++)
{
var a = freezeWriteableBitmap.GetPixel(i, j);
byte d = (byte)((a.R + a.G + a.B)/3);
freezeWriteableBitmap.SetPixel(i,j, d,d,d);
}
}*/
int srednia = 0;
for (int i = 0; i < t; i++)
{
for (int j = 0; j <t; j++)
{
var d = freezeWriteableBitmap.GetPixel(i, j);
srednia += (d.R + d.G + d.B)/ 3;
}
}
srednia = srednia/(128*128);
for (int i = 0; i < t; i++)
{
for (int j = 0; j <t; j++)
{
var a = freezeWriteableBitmap.GetPixel(i, j);
if ((a.R + a.G + a.B)/3 <srednia)
{
freezeWriteableBitmap.SetPixel(i,j,0,0,0);
}
else
{
freezeWriteableBitmap.SetPixel(i,j,255,255,255);
}
}
}
/* int ApetureMin = -(10 / 2);
int ApetureMax = (2 / 2);
for (int x = 0; x < t; ++x)
{
for (int y = 0; y < t; ++y)
{
int RValue = 0;
int GValue = 0;
int BValue = 0;
for (int x2 = ApetureMin; x2 < ApetureMax; ++x2)
{
int TempX = x + x2;
if (TempX >= 0 && TempX < t)
{
for (int y2 = ApetureMin; y2 < ApetureMax; ++y2)
{
int TempY = y + y2;
if (TempY >= 0 && TempY < t)
{
Color TempColor = freezeWriteableBitmap.GetPixel(TempX, TempY);
if (TempColor.R > RValue)
RValue = TempColor.R;
if (TempColor.G > GValue)
GValue = TempColor.G;
if (TempColor.B > BValue)
BValue = TempColor.B;
}
}
}
}
//Color TempPixel = Color.FromArgb(0, (byte) RValue, (byte) GValue, (byte) BValue);
freezeWriteableBitmap.SetPixel(x, y, (byte)RValue, (byte)GValue, (byte)BValue);
}
}*/
kopia.Source = freezeWriteableBitmap;
for (int i = 0; i < t; i++)
{
for (int j = 0; j < t; j++)
{
if (zapisany.GetPixel(i, j) != freezeWriteableBitmap.GetPixel(i, j))
{
count++;
}
}
}
if ((count - lastCount) > 100)
{
startButton.Content = "Ruch";
}
else
{
startButton.Content = "Brak ruchu";
}
if (count < 200)
{
setFrame();
}
}
/**
* Creates new frame image from current data (and previous
* frames as specified by their disposition codes).
*/
int[] GetPixels(WriteableBitmap bitmap)
{
int[] pixels = new int[3 * image.PixelWidth * image.PixelHeight];
int count = 0;
for (int th = 0; th < image.PixelHeight; th++)
{
for (int tw = 0; tw < image.PixelWidth; tw++)
{
Color color = bitmap.GetPixel(tw, th);
pixels[count] = color.R;
count++;
pixels[count] = color.G;
count++;
pixels[count] = color.B;
count++;
}
}
return pixels;
}
/**
* Extracts image pixels into byte array "pixels"
*/
protected void GetImagePixels()
{
int w = image.PixelWidth;
int h = image.PixelHeight;
// int type = image.GetType().;
if ((w != width)
|| (h != height)
)
{
// create new image with right size/format
WriteableBitmap temp =
new WriteableBitmap(width, height);
temp.Blit(new Rect(0.0, 0.0, width, height), image, new Rect(0.0, 0.0, image.PixelWidth, image.PixelHeight));
image = temp;
}
/*
ToDo:
improve performance: use unsafe code
*/
pixels = new Byte[3 * image.PixelWidth * image.PixelHeight];
int count = 0;
WriteableBitmap tempBitmap = new WriteableBitmap(image);
for (int th = 0; th < image.PixelHeight; th++)
{
for (int tw = 0; tw < image.PixelWidth; tw++)
{
Color color = tempBitmap.GetPixel(tw, th);
pixels[count] = color.R;
count++;
pixels[count] = color.G;
count++;
pixels[count] = color.B;
count++;
}
}
// pixels = ((DataBufferByte) image.getRaster().getDataBuffer()).getData();
}
public RGBLuminanceSource(WriteableBitmap d, int W, int H)
#endif
: base(W, H)
{
int width = __width = W;
int height = __height = H;
// In order to measure pure decoding speed, we convert the entire image to a greyscale array
// up front, which is the same as the Y channel of the YUVLuminanceSource in the real app.
luminances = new byte[width * height];
//if (format == PixelFormat.Format8bppIndexed)
{
Color c;
for (int y = 0; y < height; y++)
{
int offset = y * width;
for (int x = 0; x < width; x++)
{
c = d.GetPixel(x, y);
luminances[offset + x] = (byte)(((int)c.R) << 16 | ((int)c.G) << 8 | ((int)c.B));
}
}
}
}
public void CalculateStarSize(WriteableBitmap bitmap)
{
int Max = 0;
int Min = 800;
int Count = 0;
for (int i = 0; i < StarWindowSize-1; i++)
{
for (int j = 0; j < StarWindowSize-1; j++)
{
var c = bitmap.GetPixel(i, j);
var greyVal = c.R + c.G + c.B;
if (greyVal > Threshold)
Count = Count + 1;
if (greyVal > Max)
Max = greyVal;
if (greyVal < Min)
Min = greyVal;
}
}
MaximumValue = Max;
MinimumValue = Min;
Threshold = (Max + Min)/2;
StarSize = ((double) Count + K*StarSizeOld)/(K + 1);
StarSizeOld = StarSize;
}
public static Color getTargetColor(MouseButtonEventArgs e, InkPresenter inkCanvas, WriteableBitmap wb)
{
return wb.GetPixel((int)e.GetPosition(inkCanvas).X, (int)e.GetPosition(inkCanvas).Y);
}
private Color GetColorFromImage(MouseEventArgs e)
{
Color color = Color.FromArgb(0, 0, 0, 0);
try
{
var mousePos = e.GetPosition(this.mapImage);
int x = (int)mousePos.X;
int y = (int)mousePos.Y;
var bitmap = new WriteableBitmap(this.mapImage, null);
color = bitmap.GetPixel(x, y);
if (_debugModeOn)
{
string strColorARGB = string.Join(", ", color.A.ToString(), color.R.ToString(), color.G.ToString(), color.B.ToString());
txtSelectedCountry.Text = string.Format("ARGB: {0}", strColorARGB);
}
}
catch { }
return color;
}
public AdvGamePage()
{
InitializeComponent();
var fileStream1 = Application.GetResourceStream(new Uri("TestImages/TestingUpper.png", UriKind.Relative));
var s1 = new BitmapImage();
using (var stream = fileStream1.Stream)
{
s1.SetSource(stream);
}
var upper = new WriteableBitmap(s1);
var fileStream2 = Application.GetResourceStream(new Uri("TestImages/TestingLower.png", UriKind.Relative));
var s2 = new BitmapImage();
using (var stream = fileStream2.Stream)
{
s2.SetSource(stream);
}
var lower = new WriteableBitmap(s2);
var upperEx = upper.GetBitmapContext();
var lowerEx = lower.GetBitmapContext();
UpperImage.Source = upper;
LowerImage.Source = lower;
upper.ForEach((x, y, color) =>
{
var lowerColor = lower.GetPixel(x, y);
return new Color
{
R = (byte) (color.R - lowerColor.R),
G = (byte) (color.G - lowerColor.G),
B = (byte) (color.B - lowerColor.B),
A = color.A
};
});
upper.Invalidate();
var changesPixels = new List<Point>();
upper.ForEach((x, y, color) =>
{
if (upper.GetPixel(x, y).R != 0)
{
lower.FillEllipseCentered(x, y, 10, 10, Colors.Red);
changesPixels.Add(new Point(x, y));
}
return color;
});
lower.Invalidate();
//var indicator = new bool[480, 320];
var startingPoint = changesPixels[0];
var newPointToBeInvestigate = new List<Point> { startingPoint };
changesPixels.Remove(startingPoint);
//indicator[(int)startingPoint.X, (int)startingPoint.Y] = true;
System.Diagnostics.Debug.WriteLine(DateTime.Now);
var i = 0;
while (newPointToBeInvestigate.Count > 0 && i < newPointToBeInvestigate.Count)
{
var newPixels = changesPixels.Where(p => DistanceBetweenPoints(newPointToBeInvestigate[i], p)).ToList();
foreach (var np in newPixels)
{
changesPixels.Remove(np);
newPointToBeInvestigate.Add(np);
}
//foreach (var newP in newPixels.Where(newP => !indicator[(int)newP.X, (int)newP.Y]))
//{
// indicator[(int)newP.X, (int)newP.Y] = true;
//}
i++;
}
System.Diagnostics.Debug.WriteLine(DateTime.Now);
foreach (var changeP in newPointToBeInvestigate)
{
lower.SetPixel((int)changeP.X, (int)changeP.Y, Colors.Green);
}
lower.Invalidate();
}
private static void redrawMovedImage(WriteableBitmap tempWb, Image img)
{
int w = MainPage.layerList[clickedLayer].wb.PixelWidth;
int h = MainPage.layerList[clickedLayer].wb.PixelHeight;
MainPage.layerList[clickedLayer].wb.Clear();
for (int i = 0; i < w; i++)
{
for (int j = 0; j < h; j++)
{
if (tempWb.GetPixel(i, j) != Color.FromArgb(0, 0, 0, 0))
{
Color tempPixel = tempWb.GetPixel(i, j);
int setX = i + (int)img.Margin.Left;
int setY = j + (int)img.Margin.Top;
if (setX < w && setX >= 0 && setY < h && setY >= 0)
{
MainPage.layerList[clickedLayer].wb.SetPixel(setX, setY, tempPixel);
}
}
}
}
}
private void UIElement_OnMouseDown(object sender, MouseButtonEventArgs e)
{
try
{
int Height = (int)IconPreview.ActualHeight;
int Width = (int)IconPreview.ActualWidth;
RenderTargetBitmap bmp = new RenderTargetBitmap(Width, Height, 96, 96, PixelFormats.Pbgra32);
bmp.Render(this.IconPreview);
var wb = new WriteableBitmap(bmp);
var pos = e.GetPosition(sender as FrameworkElement);
_iconsGenerator.Color = wb.GetPixel((int) pos.X, (int) pos.Y);
ColorPicker1.SelectedColor = _iconsGenerator.Color;
}
catch (Exception ex)
{
}
}
void setFrame()
{
camera.GetPreviewBufferYCbCr(bufferLast);
int[] pixelData = new int[(int)(camera.PreviewResolution.Width * camera.PreviewResolution.Height)]; //640x480
camera.GetPreviewBufferArgb32(pixelData);
zapisany = new WriteableBitmap((int)camera.PreviewResolution.Width, (int)camera.PreviewResolution.Height);
pixelData.CopyTo(zapisany.Pixels, 0);
zapisany.Invalidate();
zapisany = zapisany.Resize(t, t,
WriteableBitmapExtensions.Interpolation.Bilinear);
/* int ApetureMin = -(2 / 2);
int ApetureMax = (2 / 2);
for (int x = 0; x < t; ++x)
{
for (int y = 0; y < t; ++y)
{
int RValue = 0;
int GValue = 0;
int BValue = 0;
for (int x2 = ApetureMin; x2 < ApetureMax; ++x2)
{
int TempX = x + x2;
if (TempX >= 0 && TempX < t)
{
for (int y2 = ApetureMin; y2 < ApetureMax; ++y2)
{
int TempY = y + y2;
if (TempY >= 0 && TempY < t)
{
Color TempColor = zapisany.GetPixel(TempX, TempY);
if (TempColor.R > RValue)
RValue = TempColor.R;
if (TempColor.G > GValue)
GValue = TempColor.G;
if (TempColor.B > BValue)
BValue = TempColor.B;
}
}
}
}
//Color TempPixel = Color.FromArgb(0, (byte) RValue, (byte) GValue, (byte) BValue);
zapisany.SetPixel(x, y, (byte)RValue, (byte)GValue, (byte)BValue);
}
}*/
/* for (int i = 0; i < 128; i++)
{
for (int j = 0; j < 128; j++)
{
var a = zapisany.GetPixel(i, j);
byte d = (byte)((a.R + a.G + a.B) / 3);
zapisany.SetPixel(i, j, d, d, d);
}
}*/
/* for (int i = 0; i < t; i++)
{
for (int j = 0; j < t; j++)
{
var a = zapisany.GetPixel(i, j);
byte d = (byte)((a.R + a.G + a.B) / 3);
zapisany.SetPixel(i, j, d, d, d);
}
}*/
for (int i = 0; i < t; i++)
{
for (int j = 0; j < t; j++)
{
var a = zapisany.GetPixel(i, j);
if ((a.R + a.G + a.B) / 3 < 128)
{
zapisany.SetPixel(i, j, 0, 0, 0);
}
else
{
zapisany.SetPixel(i, j, 255, 255, 255);
}
}
}
}
/// <summary>
/// Converts a WritableBitmap to grayscale image
/// </summary>
public static WriteableBitmap ToGrayScale(WriteableBitmap bmp)
{
for (int i = 0; i < bmp.PixelHeight; i++)
{
for (int j = 0; j < bmp.PixelWidth; j++)
{
byte grayScale = Convert.ToByte((bmp.GetPixel(j, i).R * 0.3) + (bmp.GetPixel(j, i).G * 0.59) + (bmp.GetPixel(j, i).B * 0.11));
Color c = Color.FromArgb(255, grayScale, grayScale, grayScale);
bmp.SetPixel(j, i, c);
}
}
return bmp;
}
public static void floodFill(Point pt, Color targetColor, Color replacementColor, WriteableBitmap compressedBitmap, WriteableBitmap outputBitmap)
{
Queue<Point> q = new Queue<Point>();
maxLeft = compressedBitmap.PixelWidth;
//System.Diagnostics.Debug.WriteLine(maxLeft);
maxRight = 0;
maxTop = compressedBitmap.PixelHeight;
//System.Diagnostics.Debug.WriteLine("while filling" + maxTop);
maxBottom = 0;
if (!Common.ColorMatch(compressedBitmap.GetPixel((int)pt.X, (int)pt.Y), targetColor) || Common.ColorMatch(compressedBitmap.GetPixel((int)pt.X, (int)pt.Y), replacementColor))
{
return;
}
q.Enqueue(pt);
while (q.Count > 0)
{
Point n = q.Dequeue();
if (Common.ColorMatch(compressedBitmap.GetPixel((int)n.X, (int)n.Y), targetColor))
{
Point west = n;
Point east = n;
while ((west.X >= 0) && (west.X < compressedBitmap.PixelWidth) && Common.ColorMatch(compressedBitmap.GetPixel((int)west.X, (int)west.Y), targetColor))
{
west.X--;
}
while ((east.X >= 0) && (east.X < compressedBitmap.PixelWidth) && Common.ColorMatch(compressedBitmap.GetPixel((int)east.X, (int)east.Y), targetColor))
{
east.X++;
}
west.X++;
east.X--;
if (west.X < maxLeft)
{
maxLeft = west.X;
}
if (east.X > maxRight)
{
maxRight = east.X;
}
for (int i = (int)west.X; i <= east.X; i++)
{
compressedBitmap.SetPixel(i, (int)west.Y, replacementColor);
outputBitmap.SetPixel(i, (int)west.Y, replacementColor);
if ((i >= 0) && (i < compressedBitmap.PixelWidth) && (west.Y + 1 >= 0 && west.Y + 1 < compressedBitmap.PixelHeight) && Common.ColorMatch(compressedBitmap.GetPixel(i, (int)west.Y + 1), targetColor))
{
if (west.Y + 1 > maxBottom)
{
maxBottom = west.Y + 1;
}
q.Enqueue(new Point(i, west.Y + 1));
}
if ((i >= 0) && (i < compressedBitmap.PixelWidth) && (west.Y - 1 >= 0 && west.Y - 1 < compressedBitmap.PixelHeight) && Common.ColorMatch(compressedBitmap.GetPixel(i, (int)west.Y - 1), targetColor))
{
if (west.Y - 1 < maxTop)
{
maxTop = west.Y - 1;
}
q.Enqueue(new Point(i, west.Y - 1));
}
}
}
}
}
private void canvas1_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (toolState == 0)
{
canvas1.CaptureMouse();
if (!activelyDrawing && toolState == 0) //just started to draw, save state first (in order to undo)
{
updateUndoList();
activelyDrawing = true;
}
cur_p.x = (short)e.GetPosition(canvas1).X;
cur_p.y = (short)e.GetPosition(canvas1).Y;
prev_p = cur_p;
}
else if (toolState == 2)
{
bm = new WriteableBitmap(canvas1, null);
Globals.scb.Color = bm.GetPixel((int)e.GetPosition(canvas1).X, (int)e.GetPosition(canvas1).Y);
border2.Background = Globals.scb;
makeToast("Color Sampled", "");
toolState++;
fillClick(null, null); //to move to pencil mode
//NavigationService.Navigate(new Uri("/ColorPicker.xaml", UriKind.Relative));
}
}
public WriteableBitmap EdgeDetection(WriteableBitmap bmap, double bound)
{
int height = bmap.PixelHeight - 1;
int width = bmap.PixelWidth - 1;
Matrix thetaM = new Matrix(width, height);
Matrix greyM = new Matrix(width + 1, height + 1);
for (int i = 0; i < greyM.Width; i++)
for (int j = 0; j < greyM.Height; j++)
greyM[i, j] = Greyscale(bmap.GetPixel(i, j).R, bmap.GetPixel(i, j).G, bmap.GetPixel(i, j).B);
for (int i = 1; i < width; i++)
for (int j = 1; j < height; j++)
{
Vector lx = new Vector(3);
Vector ly = new Vector(3);
lx[0] = greyM[i - 1, j];
lx[1] = greyM[i, j];
lx[2] = greyM[i + 1, j];
ly[0] = greyM[i, j - 1];
ly[1] = greyM[i, j];
ly[2] = greyM[i, j + 1];
Vector slx = SobelX(lx);
Vector sly = SobelY(ly);
double gx = Math.Pow(slx * slx, 0.5);
double gy = Math.Pow(sly * sly, 0.5);
thetaM[i - 1, j - 1] = Math.Atan2(gy, gx);
}
WriteableBitmap plot = BitmapFactory.New(width, height);
for (int i = 0; i < width; i++)
for (int j = 0; j < height; j++)
{
if (thetaM[i, j] > bound)
plot.SetPixel(i, j, Colors.White);
else
plot.SetPixel(i, j, Colors.Black);
}
return plot;
}
public GameViewModel(WriteableBitmap img)
{
// Invert width and height cause of bmp?
GridViewModel = new GridViewModel(img.PixelHeight, img.PixelWidth);
// Get every pixel
for (int x = 0; x < img.PixelWidth; x++)
{
for (int y = 0; y < img.PixelHeight; y++)
{
Color color = img.GetPixel(x, y);
float r, g, b, a;
if (color.A < 20)
{
a = 1;
r = 1;
g = 1;
b = 1;
}
else
{
a = 1;
r = color.R / 255f;
g = color.G / 255f;
b = color.B / 255f;
}
// invert x and y
GridViewModel.SetPixelData(y, x, new Data.CellColor()
{
A = a,
R = r,
G = g,
B = b,
});
}
}
GridViewModel.SetupGrid();
GridViewModel.UpdateView(null);
}
public MainViewModel()
{
SizeX = 768;
SizeY = 512;
SpotSizeX = 200;
SpotSizeY = 233;
SpotColors = new List<Color>
{
Color.FromArgb(150, 164, 232, 0),
Color.FromArgb(150, 255, 185, 17),
Color.FromArgb(150, 0, 149, 59),
Color.FromArgb(150, 222, 184, 99),
Color.FromArgb(150, 234, 0, 53),
};
var colors = new List<Color>
{
Colors.Red,
Colors.Blue,
Colors.Green
};
Overlay = new WriteableBitmap(SizeX, SizeY, 96, 96, PixelFormats.Pbgra32, new BitmapPalette(colors));
Overlay.Clear(Colors.Black);
PixSpots = new List<Blot>();
Pixs = new List<byte[,]>();
var spots =
Directory.GetFiles(Directory.GetCurrentDirectory() + @"\img\").Where(p => p.Contains(".png")).ToArray();
foreach (var spot in spots)
{
Pixs.Add(new byte[SpotSizeX, SpotSizeY]);
var img = new WriteableBitmap(new BitmapImage(new Uri(spot)));
for (var i = 0; i < img.PixelWidth; i++)
for (var j = 0; j < img.PixelHeight; j++)
if (img.GetPixel(i, j).A > 0)
Pixs[Pixs.Count - 1][i, j] = 1;
}
}
private static int detectTop(WriteableBitmap bmp)
{
for (int r = 0; r < bmp.PixelHeight - 1; r++)
{
int count = 0;
for (int c = 0; c < bmp.PixelWidth - 1; c++)
{
Color color = bmp.GetPixel(c, r);
if (color == Colors.White)
{
count++;
}
}
if (count > thCountX(bmp.PixelWidth))
{
return r;
}
}
return 0;
}
