annotate src/image.cc @ 3:32c4a7160350
den kanei kryo stin ellada
| author |
John Tsiombikas <nuclear@member.fsf.org> |
| date |
Sun, 28 Dec 2014 21:48:15 +0200 |
| parents |
cc9e0d8590e2 |
| children |
773f89037a35 |
| rev |
line source |
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1 #include <string.h>
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2 #include <imago2.h>
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3 #include "image.h"
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4
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5 Image::Image()
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6 {
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7 width = height = 0;
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8 pixels = 0;
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9 }
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10
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11 void Image::destroy()
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12 {
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13 delete [] pixels;
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14 }
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15
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16 bool Image::set_pixels(int x, int y, float *data)
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17 {
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18 float *new_pixels;
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19 try {
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20 new_pixels = new float[x * y];
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21 }
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22 catch(...) {
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23 return false;
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24 }
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25
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26 width = x;
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27 height = y;
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28
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29 delete [] pixels;
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30 pixels = new_pixels;
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31
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32 if(data) {
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33 memcpy(pixels, data, x * y * sizeof *data);
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34 }
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35 return true;
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36 }
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37
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38 bool Image::load(const char *fname)
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39 {
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40 // TODO dicom loader ... ?
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41
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42 int x, y;
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43 float *pixels = (float*)img_load_pixels(fname, &x, &y, IMG_FMT_GREYF);
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44 if(!pixels) {
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45 return false;
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46 }
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47 bool res = set_pixels(x, y, pixels);
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48 img_free_pixels(pixels);
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49 return res;
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50 }
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