volmetrics

diff src/image.cc @ 4:1fbbe10c8e08

quick backup
author Eleni Maria Stea <elene.mst@gmail.com>
date Sat, 11 Jan 2014 23:49:58 +0200
parents 927c29b93009
children
line diff
     1.1 --- a/src/image.cc	Sat Jan 11 22:55:27 2014 +0200
     1.2 +++ b/src/image.cc	Sat Jan 11 23:49:58 2014 +0200
     1.3 @@ -14,6 +14,48 @@
     1.4  	delete [] pixels;
     1.5  }
     1.6  
     1.7 +//copy constructor - assignment operator
     1.8 +Image::Image(const Image &img)
     1.9 +{
    1.10 +	pixels = 0;
    1.11 +	set_pixels(img.pixels, img.width, img.height);
    1.12 +}
    1.13 +
    1.14 +Image &Image::operator = (const Image &img)
    1.15 +{
    1.16 +	if(&img != this) {
    1.17 +		set_pixels(img.pixels, img.width, img.height);
    1.18 +	}
    1.19 +	return *this;
    1.20 +}
    1.21 +
    1.22 +//move constructor - move operator c++11 R-value reference to image
    1.23 +Image::Image(Image &&img)
    1.24 +{
    1.25 +	pixels = img.pixels;
    1.26 +	width = img.width;
    1.27 +	height = img.height;
    1.28 +
    1.29 +	img.pixels = 0;
    1.30 +	img.width = 0;
    1.31 +	img.height = 0;
    1.32 +}
    1.33 +
    1.34 +Image &Image::operator = (Image &&img)
    1.35 +{
    1.36 +	if(&img != this) {
    1.37 +		pixels = img.pixels;
    1.38 +		width = img.width;
    1.39 +		height = img.height;
    1.40 +
    1.41 +		img.pixels = 0;
    1.42 +		img.width = 0;
    1.43 +		img.height = 0;
    1.44 +	}
    1.45 +
    1.46 +	return *this;
    1.47 +}
    1.48 +
    1.49  bool Image::load(const char *fname)
    1.50  {
    1.51  	int new_width, new_height;