File: LastPixels.C

package info (click to toggle)
dxpc 3.8.0-5
  • links: PTS
  • area: non-free
  • in suites: woody
  • size: 672 kB
  • ctags: 780
  • sloc: cpp: 10,145; sh: 173; makefile: 87
file content (35 lines) | stat: -rw-r--r-- 544 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
#include "LastPixels.H"

LastPixels::LastPixels(unsigned int num):
  size_(num), index_(0), buffer_(new unsigned int[num])
{
  for (unsigned int i = 0; i < num; i++)
    buffer_[i] = 0;
}


unsigned int
LastPixels::getValue() const
{
  unsigned int sum = 0;
  unsigned int i;
  for (i = index_; i < size_; i++)
  {
    sum <<= 1;
    sum += buffer_[i];
  }
  for (i = 0; i < index_; i++)
  {
    sum <<= 1;
    sum += buffer_[i];
  }
  return sum;
}


void
LastPixels::reset()
{
  for (unsigned int i = 0; i < size_; i++)
    buffer_[i] = 0;
}