File content as of revision 38:92fad278c2c3:

#include "Bitmap.h"

#include <iostream>

Bitmap::Bitmap(std::vector<int> const &contents,
               unsigned int const       height,
               unsigned int const       width)
    :
    _contents(contents),
    _height(height),
    _width(width)
{
    // Perform a quick sanity check of the dimensions
    if (contents.size() != height * height) {
        std::cerr << "Contents of bitmap has size " << contents.size()
                  << " pixels, but its dimensions were specified as "
                  << width << " * " << height << " = " << width * height;
    }
}

int Bitmap::get_pixel(unsigned int const row,
                      unsigned int const column) const
{
    // First check that row and column indices are within bounds
    if(column >= _width || row >= _height)
    {
        std::cerr << "The requested pixel with index " << row << "," << column
                  << "is outside the bitmap dimensions: " << _width << ","
                  << _height;
    }

    // Now return the pixel value, using row-major indexing
    return _contents[row * _width + column];
}