source: flair-src/trunk/lib/FlairCore/src/cvimage.cpp @ 330

Last change on this file since 330 was 330, checked in by Sanahuja Guillaume, 2 years ago

use less bandwidth in vprnlite

File size: 2.2 KB
Line 
1// %flair:license{
2// This file is part of the Flair framework distributed under the
3// CECILL-C License, Version 1.0.
4// %flair:license}
5//  created:    2012/03/20
6//  filename:   cvimage.cpp
7//
8//  author:     Guillaume Sanahuja
9//              Copyright Heudiasyc UMR UTC/CNRS 7253
10//
11//  version:    $Id: $
12//
13//  purpose:    Class defining an image of kind IplImage
14//
15/*********************************************************************/
16
17#include "cvimage.h"
18
19using std::string;
20
21namespace flair {
22namespace core {
23
24char* (*cvimage::allocFunction)(ssize_t)=cvimage::DefaultAllocFunction;
25void (*cvimage::freeFunction)(char*)=cvimage::DefaultFreeFunction;
26   
27cvimage::cvimage(const Object *parent, uint16_t width, uint16_t height,
28                 Type::Format format, string name, bool allocate_data, int n)
29    : io_data(parent, name, n), dataType(width, height, format) {
30  this->allocate_data = allocate_data;
31//Printf("cvimage %s\n",ObjectName().c_str());
32  if (allocate_data) {
33    switch (format) {
34    case Type::Format::YUYV:
35    case Type::Format::UYVY:
36      buffer=allocFunction(width*height*2);
37      break;
38    case Type::Format::BGR:
39      buffer=allocFunction(width*height*3);
40      break;
41    case Type::Format::Gray:
42      buffer=allocFunction(width*height*1);
43      break;
44    default:
45      Err("format not supported");
46      break;
47    }
48  } else {
49    if (n > 1)
50      Err("number of samples!=1 not possible when not allocating data\n");
51    n = 1;
52  }
53
54  SetPtrToCircle((void **)&buffer);
55
56  if (n > 1)
57    prev = new cvimage(this, width, height, format, name, n - 1);
58}
59
60cvimage::~cvimage() {
61  // printf("destructeur cvimage\n");
62  if(allocate_data) freeFunction(buffer);
63}
64
65void cvimage::RawRead(char *dst) const { Warn("non implementé\n"); }
66
67void cvimage::RegisterAllocFunction(char*(*func)(ssize_t size)) {
68  if(allocFunction==DefaultAllocFunction) allocFunction=func;
69}
70
71void cvimage::RegisterFreeFunction(void(*func)(char* buffer)) {
72  if(freeFunction==DefaultFreeFunction) freeFunction=func;
73}
74
75char* cvimage::DefaultAllocFunction(ssize_t size){
76  Printf("default alloc %i\n",size);
77  return (char*)malloc(size);
78}
79
80void cvimage::DefaultFreeFunction(char* buffer){
81  Printf("default free\n");
82  free(buffer);
83}
84
85} // end namespace core
86} // end namespace flair
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