bool PNG::operator==(PNG const & other) const {
if (_width != other._width || _height != other._height)
return false;
for (size_t y = 0; y < _height; y++) {
for (size_t x = 0; x < _width; x++)
{
if( !_pixels_same( _pixel( x, y ), other._pixel( x, y ) ) )
return false;
}
}
return true; }
void PNG::_copy(PNG const & other)
{
_width = other._width;
_height = other._height;
_pixels = new RGBAPixel[_height * _width];
for (size_t y = 0; y < _height; y++)
{
for (size_t x = 0; x < _width; x++)
{
_pixel(x,y) = other._pixel(x,y);
}
}
}
bool PNG::operator==(PNG const & other) const
{
if (_width != other._width || _height != other._height)
return false;
for (int y = 0; y < _height; y++)
{
for (int x = 0; x < _width; x++)
{
if (_pixel(x,y) != other._pixel(x,y))
return false;
}
}
return true;
}
