SaveBitmap.c

Go to the documentation of this file.

#include <fcntl.h>
#include <unistd.h>
#include "FBLib_av.h"
#include "libFireBird.h"
 
bool SaveBitmap(char *FileName, int width, int height, byte* pBuffer)
{
  TRACEENTER();
 
  dword                                                                 rowlength;
  char                  AbsFilename[FBLIB_DIR_SIZE];
  int                   FileHandle;
 
  if(!pBuffer ||!FileName || !*FileName)
  {
    TRACEEXIT();
    return FALSE;
  }
 
  ConvertPathType(FileName, AbsFilename, PF_FullLinuxPath);
 
  FileHandle = open(AbsFilename, O_WRONLY | O_CREAT | O_TRUNC);
  if(FileHandle == -1)
  {
    TRACEEXIT();
    return FALSE;
  }
 
  // Write Header
  BMP_WriteHeader(FileHandle, width, height);
 
  // write bitmap data
        // according to spec.: the rowlength must be a multiple of 4 bytes, if necessary fill up with zero-bytes
        rowlength = (width*3%4==0) ? width*3 : ((width*3/4)+1)*4;
        write(FileHandle, pBuffer, rowlength * height);
        close(FileHandle);
 
  TRACEEXIT();
  return TRUE;
}