Запись файла в формате TGA

  
#include <fstream>
#include <vector>
 
struct TGAHeader {
    char  idlength = 0;
    char  colormaptype = 0;
    char  datatypecode = 10;
    int colormaporigin = 0;
    int colormaplength = 0;
    char  colormapdepth = 0;
    int x_origin = 0;
    int y_origin = 0;
    int width = 370;
    int height = 700;
    char bitsperpixel = 24;
    char  imagedescriptor = 0;
};
 
   char developer_area_ref[4] = {0, 0, 0, 0};
   char extension_area_ref[4] = {0, 0, 0, 0};
   char footer[18] = {'T','R','U','E','V','I','S','I','O','N','-','X','F','I','L','E','.','\0'};
   
   std::vector<char>pixel(777000);
   
   void lset(int x, int y);
  
 
int main()
{
    
    for (int i = 0; i < 370; i++)
       for(int j = 0; j < 700; j++)
        { 
            lset(i,j);
            }
            
    const char *FName="Worker3.tga";
    TGAHeader teacher;     
    std::ofstream f1(FName, std::ios::binary | std::ios::out);
    f1.write((char*)&teacher, sizeof(teacher));
    f1.write((char*)pixel.data(),777000);
    f1.write((char*)&developer_area_ref, sizeof(developer_area_ref));
    f1.write((char*)&extension_area_ref, sizeof(extension_area_ref));
    f1.write((char*)&footer, sizeof(footer));
    f1.close();
 
 
 return 0;
 
 }
 
 void lset(int x, int y) {
    
    int ofset = (x + y * 370)*3;
    pixel.at(ofset) = 27;
    pixel.at(ofset + 1) = 240;
    pixel.at(ofset + 2) = 130;
  }