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Dealing with Progressive Operations

, 10 May 2010 CPOL
Through a clean OOP solution to deal with progressive operations, I will implicitly show you how OOP principles can work together to make a full, clean solution.
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;
using Erik.Utilities.Bases;

namespace OneThreadSamples
    class NegativePO : BaseProgressiveOperation
        Bitmap _bmp;

        public NegativePO(Bitmap bmp)
            _bmp = bmp;
            _totalSteps = bmp.Width * bmp.Height;

            MainTitle = "Performing negative transformation";

        public override void Start()
            _currentStep = 0;

            for (int x = 0; x < _bmp.Width; x++)
                for (int y = 0; y < _bmp.Height; y++)
                    Color c = _bmp.GetPixel(x, y);
                    Color n = Color.FromArgb(255 - c.R, 255 - c.G, 255 - c.B);
                    _bmp.SetPixel(x, y, n);



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