volmetrics

diff src/image.cc @ 3:927c29b93009

added image.cc
author Eleni Maria Stea <elene.mst@gmail.com>
date Sat, 11 Jan 2014 22:55:27 +0200
parents
children 1fbbe10c8e08
line diff
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/image.cc	Sat Jan 11 22:55:27 2014 +0200
     1.3 @@ -0,0 +1,65 @@
     1.4 +#include <imago2.h>
     1.5 +
     1.6 +#include "image.h"
     1.7 +
     1.8 +Image::Image()
     1.9 +{
    1.10 +	pixels = 0;
    1.11 +	width = 0;
    1.12 +	height = 0;
    1.13 +}
    1.14 +
    1.15 +Image::~Image()
    1.16 +{
    1.17 +	delete [] pixels;
    1.18 +}
    1.19 +
    1.20 +bool Image::load(const char *fname)
    1.21 +{
    1.22 +	int new_width, new_height;
    1.23 +	float *new_pixels = (float*)img_load_pixels(fname, &new_width, &new_height, IMG_FMT_GREYF);
    1.24 +
    1.25 +	if(!new_pixels) {
    1.26 +		fprintf(stderr, "Failed to load image: %s\n", fname);
    1.27 +		return false;
    1.28 +	}
    1.29 +
    1.30 +	set_pixels(new_pixels, new_width, new_height);
    1.31 +	img_free_pixels(new_pixels);
    1.32 +	return true;
    1.33 +}
    1.34 +
    1.35 +float *Image::get_pixels()
    1.36 +{
    1.37 +	return pixels;
    1.38 +}
    1.39 +
    1.40 +const float *Image::get_pixels() const
    1.41 +{
    1.42 +	return pixels;
    1.43 +}
    1.44 +
    1.45 +void Image::set_pixels(const float *pixels, int width, int height)
    1.46 +{
    1.47 +	if(!pixels)
    1.48 +		return;
    1.49 +
    1.50 +	delete [] this->pixels;
    1.51 +
    1.52 +	this->pixels = new float[width * height];
    1.53 +	for(int i=0; i<width * height; i++) {
    1.54 +		this->pixels[i] = pixels[i];
    1.55 +	}
    1.56 +	this->width = width;
    1.57 +	this->height = height;
    1.58 +}
    1.59 +
    1.60 +int Image::get_width() const
    1.61 +{
    1.62 +	return width;
    1.63 +}
    1.64 +
    1.65 +int Image::get_height() const
    1.66 +{
    1.67 +	return height;
    1.68 +}