glviewvol

annotate src/image.cc @ 1:cc9e0d8590e2

foo
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 27 Dec 2014 06:32:28 +0200
parents 7bdf40403b9c
children 32c4a7160350
rev   line source
nuclear@1 1 #include <string.h>
nuclear@0 2 #include <imago2.h>
nuclear@0 3 #include "image.h"
nuclear@0 4
nuclear@0 5 Image::Image()
nuclear@0 6 {
nuclear@0 7 width = height = 0;
nuclear@0 8 pixels = 0;
nuclear@0 9 }
nuclear@0 10
nuclear@0 11 Image::~Image()
nuclear@0 12 {
nuclear@0 13 delete [] pixels;
nuclear@0 14 }
nuclear@0 15
nuclear@0 16 bool Image::set_pixels(int x, int y, float *data)
nuclear@0 17 {
nuclear@0 18 float *new_pixels;
nuclear@0 19 try {
nuclear@0 20 new_pixels = new float[x * y];
nuclear@0 21 }
nuclear@0 22 catch(...) {
nuclear@0 23 return false;
nuclear@0 24 }
nuclear@0 25
nuclear@0 26 width = x;
nuclear@0 27 height = y;
nuclear@0 28
nuclear@0 29 delete [] pixels;
nuclear@0 30 pixels = new_pixels;
nuclear@0 31
nuclear@0 32 if(data) {
nuclear@0 33 memcpy(pixels, data, x * y * sizeof *data);
nuclear@0 34 }
nuclear@0 35 return true;
nuclear@0 36 }
nuclear@0 37
nuclear@0 38 bool Image::load(const char *fname)
nuclear@0 39 {
nuclear@0 40 // TODO dicom loader ... ?
nuclear@0 41
nuclear@0 42 int x, y;
nuclear@1 43 float *pixels = (float*)img_load_pixels(fname, &x, &y, IMG_FMT_GREYF);
nuclear@0 44 if(!pixels) {
nuclear@0 45 return false;
nuclear@0 46 }
nuclear@0 47 bool res = set_pixels(x, y, pixels);
nuclear@0 48 img_free_pixels(pixels);
nuclear@0 49 return res;
nuclear@0 50 }