当前位置: 首页>>代码示例>>C++>>正文


C++ ps_output::put_number方法代码示例

本文整理汇总了C++中ps_output::put_number方法的典型用法代码示例。如果您正苦于以下问题:C++ ps_output::put_number方法的具体用法?C++ ps_output::put_number怎么用?C++ ps_output::put_number使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在ps_output的用法示例。


在下文中一共展示了ps_output::put_number方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: do_import

void ps_printer::do_import(char *arg, const environment *env)
{
  while (*arg == ' ' || *arg == '\n')
    arg++;
  char *p;
  for (p = arg; *p != '\0' && *p != ' ' && *p != '\n'; p++)
    ;
  if (*p != '\0')
    *p++ = '\0';
  int parms[6];
  int nparms = 0;
  while (nparms < 6) {
    char *end;
    long n = strtol(p, &end, 10);
    if (n == 0 && end == p)
      break;
    parms[nparms++] = int(n);
    p = end;
  }
  if (csalpha(*p) && (p[1] == '\0' || p[1] == ' ' || p[1] == '\n')) {
    error("scaling indicators not allowed in arguments for X import command");
    return;
  }
  while (*p == ' ' || *p == '\n')
    p++;
  if (nparms < 5) {
    if (*p == '\0')
      error("too few arguments for X import command");
    else
      error("invalid argument `%1' for X import command", p);
    return;
  }
  if (*p != '\0') {
    error("superfluous argument `%1' for X import command", p);
    return;
  }
  int llx = parms[0];
  int lly = parms[1];
  int urx = parms[2];
  int ury = parms[3];
  int desired_width = parms[4];
  int desired_height = parms[5];
  if (desired_width <= 0) {
    error("bad width argument `%1' for X import command: must be > 0",
	  desired_width);
    return;
  }
  if (nparms == 6 && desired_height <= 0) {
    error("bad height argument `%1' for X import command: must be > 0",
	  desired_height);
    return;
  }
  if (llx == urx) {
    error("llx and urx arguments for X import command must not be equal");
    return;
  }
  if (lly == ury) {
    error("lly and ury arguments for X import command must not be equal");
    return;
  }
  if (nparms == 5) {
    int old_wid = urx - llx;
    int old_ht = ury - lly;
    if (old_wid < 0)
      old_wid = -old_wid;
    if (old_ht < 0)
      old_ht = -old_ht;
    desired_height = int(desired_width*(double(old_ht)/double(old_wid)) + .5);
  }
  if (env->vpos - desired_height < 0)
    warning("top of imported graphic is above the top of the page");
  out.put_number(llx)
     .put_number(lly)
     .put_fix_number(desired_width)
     .put_number(urx - llx)
     .put_fix_number(-desired_height)
     .put_number(ury - lly)
     .put_fix_number(env->hpos)
     .put_fix_number(env->vpos)
     .put_symbol("PBEGIN");
  rm.import_file(arg, out);
  // do this here just in case application defines PEND
  out.put_symbol("end")
     .put_symbol("PEND");
}
开发者ID:DemonFang,项目名称:groff,代码行数:85,代码来源:ps.cpp


注:本文中的ps_output::put_number方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。