1 | // %flair:license{
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2 | // This file is part of the Flair framework distributed under the
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3 | // CECILL-C License, Version 1.0.
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4 | // %flair:license}
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5 | // created: 2012/03/20
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6 | // filename: Image.cpp
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7 | //
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8 | // author: Guillaume Sanahuja
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9 | // Copyright Heudiasyc UMR UTC/CNRS 7253
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10 | //
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11 | // version: $Id: $
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12 | //
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13 | // purpose: Class defining an image
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14 | //
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15 | /*********************************************************************/
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16 |
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17 | #include "Image.h"
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18 |
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19 | using std::string;
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20 |
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21 | namespace flair {
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22 | namespace core {
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23 |
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24 | char* (*Image::allocFunction)(ssize_t)=Image::DefaultAllocFunction;
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25 | void (*Image::freeFunction)(char*)=Image::DefaultFreeFunction;
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26 |
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27 | Image::Image(const Object *parent, uint16_t width, uint16_t height,
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28 | Type::Format format, string name, bool allocate_data, int n)
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29 | : io_data(parent, name, n), dataType(width, height, format) {
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30 | this->allocate_data = allocate_data;
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31 |
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32 | if (allocate_data) {
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33 | switch (format) {
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34 | case Type::Format::YUYV:
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35 | case Type::Format::UYVY:
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36 | buffer=allocFunction(width*height*2);
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37 | break;
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38 | case Type::Format::BGR:
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39 | buffer=allocFunction(width*height*3);
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40 | break;
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41 | case Type::Format::Gray:
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42 | buffer=allocFunction(width*height*1);
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43 | break;
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44 | default:
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45 | Err("format not supported");
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46 | break;
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47 | }
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48 | } else {
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49 | if (n > 1)
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50 | Err("number of samples!=1 not possible when not allocating data\n");
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51 | n = 1;
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52 | }
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53 |
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54 | SetPtrToCircle((void **)&buffer);
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55 |
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56 | if (n > 1)
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57 | prev = new Image(this, width, height, format, name, n - 1);
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58 | }
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59 |
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60 | Image::~Image() {
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61 | if(allocate_data) freeFunction(buffer);
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62 | }
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63 |
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64 | void Image::RawRead(char *dst) const { Warn("non implementé\n"); }
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65 |
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66 | char* Image::AllocFunction(ssize_t size) {
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67 | return allocFunction(size);
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68 | }
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69 |
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70 | void Image::FreeFunction(char* buffer) {
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71 | freeFunction(buffer);
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72 | }
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73 |
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74 | void Image::RegisterAllocFunction(char*(*func)(ssize_t size)) {
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75 | if(allocFunction==DefaultAllocFunction) allocFunction=func;
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76 | }
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77 |
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78 | void Image::RegisterFreeFunction(void(*func)(char* buffer)) {
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79 | if(freeFunction==DefaultFreeFunction) freeFunction=func;
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80 | }
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81 |
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82 | char* Image::DefaultAllocFunction(ssize_t size){
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83 | return (char*)malloc(size);
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84 | }
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85 |
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86 | void Image::DefaultFreeFunction(char* buffer){
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87 | free(buffer);
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88 | }
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89 |
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90 | } // end namespace core
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91 | } // end namespace flair
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