コード例 #1
0
        public bool ReadLine(out string sLine, string sText, ref int iMoveMe, IRect rectDest, int iGlyphType)
        {
            bool HasALine   = false;
            bool bBreakable = false;
            int  iSkipper   = 0;
            int  iStartLine = iMoveMe;

            try {
                int iStart     = iMoveMe;
                int xPixel     = rectDest.X;
                int zone_Right = rectDest.Right;
                if (iMoveMe + 1 < sText.Length)
                {
                    HasALine = true;
                }
                while (iMoveMe + 1 < sText.Length)
                {
                    //string sTemp=SafeSubstring(sText,iMoveMe,Environment.NewLine.Length);
                    if (RString.CompareAt(sText, Environment.NewLine, iMoveMe))
                    {
                        bBreakable = true;
                        iSkipper   = Environment.NewLine.Length;
                        break;
                    }
                    else if (RString.CompareAt(sText, '\n', iMoveMe))
                    {
                        bBreakable = true;
                        iSkipper   = 1;
                        break;
                    }
                    else if (RString.CompareAt(sText, '\r', iMoveMe))
                    {
                        bBreakable = true;
                        iSkipper   = 1;
                        break;
                    }
                    else if (xPixel + WidthOf(sText[iMoveMe], iGlyphType) >= zone_Right)
                    {
                        int  iLastBreaker    = iMoveMe;
                        bool bVisibleBreaker = false;
                        bool bTest           = RString.PreviousWordBreakerExceptNewLine(sText, ref iLastBreaker, out bVisibleBreaker);
                        if (iLastBreaker > iStartLine)
                        {
                            if (bVisibleBreaker)
                            {
                                iSkipper = 0;                 //says not to skip any characters
                                iMoveMe  = iLastBreaker + 1;  //includes it in the substring
                            }
                            else                              //else invisible, so skip it
                            {
                                iSkipper = 1;                 //says to skip it after substring is taken
                                iMoveMe  = iLastBreaker;      //excludes it from the substring
                            }
                        }
                        else                          //else no breaker
                        {
                            iSkipper = 0;
                        }
                        //NOTE: debug non-compliance: bBreakable and break allow non-html-style forced breakage if no breaker before wrap (when "else" case above occurs)
                        bBreakable = true;                      //says to not skip to end of sText
                        break;
                    }
                    //else if (NeedsToBreakBeforeWordBreaker(sText, iMoveMe+1, xPixel, rectDest, iGlyphType) && RString.IsWordBreakerExceptNewLine(sText,iMoveMe)) {
                    //	bBreakable=true;
                    //	iSkipper=1;
                    //	bTypeableNewLine=true;
                    //	break;
                    //}
                    else
                    {
                        xPixel += WidthOf(sText[iMoveMe], iGlyphType);
                        iMoveMe++;
                    }
                }
                if (!bBreakable)
                {
                    iMoveMe = sText.Length;
                }
                sLine = RString.SafeSubstring(sText, iStart, iMoveMe - iStart);
                if (bBreakable)
                {
                    iMoveMe += iSkipper;
                }
            }
            catch (Exception exn) {
                sLine = "";
                RReporting.ShowExn(exn, "RFont ReadLine");
            }
            return(HasALine);
        }