Function writeScreenshot

src/clientbase/clientCommands.cpp:726–822

static DWORD WINAPI writeScreenshot(void* data)
#else
static void* writeScreenshot(void* data)
#endif
{
  ScreenshotData* ssdata = (ScreenshotData*)data;

  const std::string dirname = getScreenShotDirName();
  const std::string prefix  = "bzfi";
  const std::string ext     = ".png";

  // scan the directory and start numbering with the filename
  // that follows the existing filename with the highest snap number
  int snap = 0;

#ifdef _WIN32
  const std::string pattern = dirname + prefix + "*" + ext;
  WIN32_FIND_DATA findData;
  HANDLE h = FindFirstFile(pattern.c_str(), &findData);
  if (h != INVALID_HANDLE_VALUE) {
    std::string file;
    while (FindNextFile(h, &findData)) {
      file = findData.cFileName;
      const int number = atoi((file.substr(file.length() - 8, 4)).c_str());
      if (snap < number) {
        snap = number;
      }
    }
  }
#else
  const std::string pattern = prefix + "*" + ext;
  DIR* directory = opendir(dirname.c_str());
  if (directory) {
    struct dirent* contents;
    std::string file;
    while ((contents = readdir(directory))) {
      file = contents->d_name;
      if (glob_match(pattern, file)) {
        const int number = atoi((file.substr(file.length() - 8, 4)).c_str());
        if (snap < number) {
          snap = number;
        }
      }
    }
    closedir(directory);
  }
#endif // _WIN32

  snap++;
  std::string filename = dirname + prefix + TextUtils::format("%04d", snap) + ext;

  std::ostream* f = FILEMGR.createDataOutStream(filename.c_str(), true, true);

  if (f != NULL) {

    const std::string& renderer = ssdata->renderer;
    unsigned char* pixels       = ssdata->pixels;
    const int xsize             = ssdata->xsize;
    const int ysize             = ssdata->ysize;
    const int channels          = ssdata->channels;