Code:
private void CalculateArea()
{
int totalArea = 0;
int x = this.Location.X + 20;
int y = this.Location.Y + 20;
for (int i = pnlDrawArea.Location.X + x; i < pnlDrawArea.Size.Width; i++)
{
for (int j = pnlDrawArea.Location.Y + y; j < pnlDrawArea.Size.Height; j++)
{
if (GetColor(new Point(i, j)).Name == "ff000000")
{
totalArea++;
}
}
}
fldArea.Text = totalArea.ToString();
}
private Color GetColor(Point position)
{
using (var bitmap = new Bitmap(1, 1))
{
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.CopyFromScreen(position, new Point(0, 0), new Size(1, 1));
}
return bitmap.GetPixel(0, 0);
private void btnCalculate_Click(object sender, EventArgs e)
{
//System.Windows.Shapes.Polygon
CalculateArea();
}
private void btnIzracunajPrekoSlike_Click(object sender, EventArgs e)
{
Graphics myGraphics = this.CreateGraphics();
Size s = this.Size;
Bitmap memoryImage = new Bitmap(s.Width, s.Height, myGraphics);
Graphics memoryGraphics = Graphics.FromImage(memoryImage);
memoryGraphics.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, s);
memoryImage.Save(@"C:\Polygon\Polygon.bmp");
memoryGraphics.Save();
Bitmap bmpFromFile = new Bitmap(@"C:\Polygon\Polygon.bmp");
int area = 0;
//memoryImage.GetPixel(0, 0)
for (int i = 0; i < bmpFromFile.Width; i++)
{
for (int j = 0; j < bmpFromFile.Height; j++)
{
if (bmpFromFile.GetPixel(i, j) == Color.Black)
{
area++;
}
}
}
fldArea.Text = area.ToString();
}
private void CalculateArea()
{
int totalArea = 0;
int x = this.Location.X + 20;
int y = this.Location.Y + 20;
for (int i = pnlDrawArea.Location.X + x; i < pnlDrawArea.Size.Width; i++)
{
for (int j = pnlDrawArea.Location.Y + y; j < pnlDrawArea.Size.Height; j++)
{
if (GetColor(new Point(i, j)).Name == "ff000000")
{
totalArea++;
}
}
}
fldArea.Text = totalArea.ToString();
}
private Color GetColor(Point position)
{
using (var bitmap = new Bitmap(1, 1))
{
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.CopyFromScreen(position, new Point(0, 0), new Size(1, 1));
}
return bitmap.GetPixel(0, 0);
private void btnCalculate_Click(object sender, EventArgs e)
{
//System.Windows.Shapes.Polygon
CalculateArea();
}
private void btnIzracunajPrekoSlike_Click(object sender, EventArgs e)
{
Graphics myGraphics = this.CreateGraphics();
Size s = this.Size;
Bitmap memoryImage = new Bitmap(s.Width, s.Height, myGraphics);
Graphics memoryGraphics = Graphics.FromImage(memoryImage);
memoryGraphics.CopyFromScreen(this.Location.X, this.Location.Y, 0, 0, s);
memoryImage.Save(@"C:\Polygon\Polygon.bmp");
memoryGraphics.Save();
Bitmap bmpFromFile = new Bitmap(@"C:\Polygon\Polygon.bmp");
int area = 0;
//memoryImage.GetPixel(0, 0)
for (int i = 0; i < bmpFromFile.Width; i++)
{
for (int j = 0; j < bmpFromFile.Height; j++)
{
if (bmpFromFile.GetPixel(i, j) == Color.Black)
{
area++;
}
}
}
fldArea.Text = area.ToString();
}