C++ (Cpp) winFontGetDC Exemples

Exemple #1

Fichier : iupwin_font.c Projet : ivanceras/iup-mirror

int iupdrvFontGetStringWidth(Ihandle* ih, const char* str)
{
  HDC hdc;
  HFONT oldhfont, hFont;
  SIZE size;
  int len;
  char* line_end;  
  TCHAR* wstr;
  if (!str || str[0]==0)
    return 0;

  hFont = (HFONT)iupwinGetHFontAttrib(ih);
  if (!hFont)
    return 0;

  hdc = winFontGetDC(ih);
  oldhfont = SelectObject(hdc, hFont);

  line_end = strchr(str, '\n');
  if (line_end)
    len = line_end-str;
  else
    len = strlen(str);

  wstr = iupwinStrToSystemLen(str, &len);
  GetTextExtentPoint32(hdc, wstr, len, &size);

  SelectObject(hdc, oldhfont);
  winFontReleaseDC(ih, hdc);

  return size.cx;
}

Exemple #2

Fichier : iupwin_font.c Projet : ivanceras/iup-mirror

void iupdrvFontGetMultiLineStringSize(Ihandle* ih, const char* str, int *w, int *h)
{
  int max_w = 0;

  IwinFont* winfont = winFontGet(ih);
  if (!winfont)
  {
    if (w) *w = 0;
    if (h) *h = 0;
    return;
  }

  if (!str)
  {
    if (w) *w = 0;
    if (h) *h = winfont->charheight * 1;
    return;
  }

  if (str[0])
  {
    SIZE size;
    int len, wlen;
    const char *nextstr;
    const char *curstr = str;

    HDC hdc = winFontGetDC(ih);
    HFONT oldhfont = (HFONT)SelectObject(hdc, winfont->hFont);
    TCHAR* wstr = iupwinStrToSystem(str);

    do
    {
      nextstr = iupStrNextLine(curstr, &len);
      if (len)
      {
#ifdef UNICODE
        wlen = MultiByteToWideChar(iupwinStrGetUTF8Mode()? CP_UTF8: CP_ACP, 0, curstr, len, 0, 0);
#else
        wlen = len;
#endif

        size.cx = 0;
        GetTextExtentPoint32(hdc, wstr, wlen, &size);
        max_w = iupMAX(max_w, size.cx);

        wstr += wlen+1;
      }

      curstr = nextstr;
    } while(*nextstr);

    SelectObject(hdc, oldhfont);
    winFontReleaseDC(ih, hdc);
  }

  if (w) *w = max_w;
  if (h) *h = winfont->charheight * iupStrLineCount(str);
}

Exemple #3

Fichier : iupwin_font.c Projet : svn2github/iup-iup

void iupdrvFontGetMultiLineStringSize(Ihandle* ih, const char* str, int *w, int *h)
{
  int num_lin, max_w;

  IwinFont* winfont = winFontGet(ih);
  if (!winfont)
  {
    if (w) *w = 0;
    if (h) *h = 0;
    return;
  }

  if (!str)
  {
    if (w) *w = 0;
    if (h) *h = winfont->charheight * 1;
    return;
  }

  max_w = 0;
  num_lin = 1;
  if (str[0])
  {
    SIZE size;
    int len;
    const char *nextstr;
    const char *curstr = str;

    HDC hdc = winFontGetDC(ih);
    HFONT oldhfont = SelectObject(hdc, winfont->hFont);

    do
    {
      nextstr = iupStrNextLine(curstr, &len);
      GetTextExtentPoint32(hdc, curstr, len, &size);
      max_w = iupMAX(max_w, size.cx);

      curstr = nextstr;
      if (*nextstr)
        num_lin++;
    } while(*nextstr);

    SelectObject(hdc, oldhfont);
    winFontReleaseDC(ih, hdc);
  }

  if (w) *w = max_w;
  if (h) *h = winfont->charheight*num_lin;
}