public Form1()
{
InitializeComponent();
imagePath = Application.StartupPath;
imagePath = Path.Combine(imagePath.Substring(0, imagePath.Length - 9), @"Images");
imagePath += "/lena.jpg";
startSize = (new Bitmap(imagePath)).Size;
pictureBox.Image = new Bitmap(new Bitmap(imagePath), pictureBox.Width, pictureBox.Height);
pictureBoxAfter.Image = new Bitmap(pictureBoxAfter.Width, pictureBoxAfter.Height);
pictureBoxAlong.Image = new Bitmap(pictureBoxAlong.Width, pictureBoxAlong.Height);
reducedAfterFactory = new ReducedColorsBitmapFactory(new Bitmap(imagePath));
reducedAlongFactory = new ReducedColorsBitmapFactory(new Bitmap(imagePath), true);
}
private void ReduceToGrayScaleButton_Click(object sender, EventArgs e)
{
Bitmap bitmap = new Bitmap(imagePath);
for (int i = 0; i < bitmap.Width; i++)
{
for (int j = 0; j < bitmap.Height; j++)
{
Color pixelColor = bitmap.GetPixel(i, j);
double gray = Math.Min(255, Math.Max(0, (0.3 * pixelColor.R) + (0.59 * pixelColor.G) + (0.11 * pixelColor.B)));
bitmap.SetPixel(i, j, Color.FromArgb((int)gray, (int)gray, (int)gray));
}
}
reducedAfterFactory = new ReducedColorsBitmapFactory(bitmap);
reducedAlongFactory = new ReducedColorsBitmapFactory(bitmap, true);
pictureBoxAfter.Image = new Bitmap(pictureBoxAfter.Width, pictureBoxAfter.Height);
pictureBoxAlong.Image = new Bitmap(pictureBoxAlong.Width, pictureBoxAlong.Height);
pictureBox.Image = new Bitmap(bitmap, pictureBox.Width, pictureBox.Height);
RefreshPictures();
}
private void LoadBitmapButton_Click(object sender, EventArgs e)
{
var fileContent = string.Empty;
var filePath = string.Empty;
using (OpenFileDialog openFileDialog = new OpenFileDialog())
{
string path = Application.StartupPath;
openFileDialog.InitialDirectory = Path.Combine(path.Substring(0, path.Length - 9), @"Images");
openFileDialog.Filter = "png files (*.png)|*.png|jpg files (*.jpg)|*.jpg";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
imagePath = openFileDialog.FileName;
startSize = (new Bitmap(imagePath)).Size;
reducedAfterFactory = new ReducedColorsBitmapFactory(new Bitmap(imagePath));
reducedAlongFactory = new ReducedColorsBitmapFactory(new Bitmap(imagePath), true);
RefreshPictureBoxes();
}
}
}
