volmetrics: src/volume.cc annotate

volmetrics

annotate src/volume.cc @ 0:88d390af583f

Image loader

author	Eleni Maria Stea <eleni@mutantstargoat.com>
date	Sat, 11 Jan 2014 17:22:36 +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 }