volmetrics

annotate src/volume.cc @ 2:46a24c493efd

notes for next steps
author Eleni Maria Stea <eleni@mutantstargoat.com>
date Sat, 11 Jan 2014 18:00:02 +0200
parents
children 927c29b93009
rev   line source
eleni@0 1 #include <imago2.h>
eleni@0 2
eleni@0 3 #include "image.h"
eleni@0 4
eleni@0 5 Image::Image()
eleni@0 6 {
eleni@0 7 pixels = 0;
eleni@0 8 width = 0;
eleni@0 9 height = 0;
eleni@0 10 }
eleni@0 11
eleni@0 12 Image::~Image()
eleni@0 13 {
eleni@0 14 delete [] pixels;
eleni@0 15 }
eleni@0 16
eleni@0 17 bool Image::load(const char *fname)
eleni@0 18 {
eleni@0 19 int new_width, new_height;
eleni@0 20 float *new_pixels = (float*)img_load_pixels(fname, &new_width, &new_height, IMG_FMT_GREYF);
eleni@0 21
eleni@0 22 if(!new_pixels) {
eleni@0 23 fprintf(stderr, "Failed to load image: %s\n", fname);
eleni@0 24 return false;
eleni@0 25 }
eleni@0 26
eleni@0 27 set_pixels(new_pixels, new_width, new_height);
eleni@0 28 img_free_pixels(new_pixels);
eleni@0 29 return true;
eleni@0 30 }
eleni@0 31
eleni@0 32 float *Image::get_pixels()
eleni@0 33 {
eleni@0 34 return pixels;
eleni@0 35 }
eleni@0 36
eleni@0 37 const float *Image::get_pixels() const
eleni@0 38 {
eleni@0 39 return pixels;
eleni@0 40 }
eleni@0 41
eleni@0 42 void Image::set_pixels(const float *pixels, int width, int height)
eleni@0 43 {
eleni@0 44 if(!pixels)
eleni@0 45 return;
eleni@0 46
eleni@0 47 delete [] this->pixels;
eleni@0 48
eleni@0 49 this->pixels = new float[width * height];
eleni@0 50 for(int i=0; i<width * height; i++) {
eleni@0 51 this->pixels[i] = pixels[i];
eleni@0 52 }
eleni@0 53 this->width = width;
eleni@0 54 this->height = height;
eleni@0 55 }
eleni@0 56
eleni@0 57 int Image::get_width() const
eleni@0 58 {
eleni@0 59 return width;
eleni@0 60 }
eleni@0 61
eleni@0 62 int Image::get_height() const
eleni@0 63 {
eleni@0 64 return height;
eleni@0 65 }