src/BufferReadBinary.hh

   1 /*
   2         Buffer for reading binary STL file
   3 */
   4 #pragma once
   5
   6 #include <fcntl.h>
   7 #include <sys/stat.h>
   8 #include <unistd.h>
   9
  10 #include <string>
  11 //#include "Components.hh"
  12
  13 class BufferReadBinary
  14 {
  15 private:
  16     char* prebuffer;  // just before buffer
  17     char* buffer;
  18     char* phead;
  19     int fn;
  20     uint32_t BUFFER_SIZE    = 32768;  // 32K
  21     uint32_t PREBUFFER_SIZE = 64;
  22     uint32_t readIn;
  23     uint32_t remain;  // bytes that left in buffer, not enough for one triangle
  24     uint32_t numTrianglesInFile;
  25     uint32_t numTrianglesInBlock;
  26
  27 public:
  28     BufferReadBinary(std::string& fileTarget);
  29     ~BufferReadBinary();
  30     uint32_t getNumTrianglesInFile();
  31     uint32_t getNumTrianglesInBlock();
  32     void step2Bytes();
  33     void stepFloat();
  34     float getFloat();
  35     void readBuffer();
  36 };