Exemplo n.º 1
0
//执行实际的打印操作,至此,PrintLine都是排好序的
func RunRealPrinter(ps *PrintSetting, pi *PrintLine, pr2 driverlayer.IPr2Print) {
	var pl *PrintLine
	pl = pi
	var (
		X        float32
		Y        float32
		ftmp     int64
		curflag  int64
		curbflag int64
		remain   int64
	)
	//首先是各种预设参数的打印
	pr2.Init()
	pr2.SetLineInterval(ps.ps.LineInterval)
	pr2.SetColInterval(ps.ps.ColInterval)
	pr2.SetLeftMargin(ps.ps.Leftmargin)
	pr2.SetRightMargin(ps.ps.Width - ps.ps.Rightmargin)
	pr2.SetTop(ps.ps.Topmargin)
	//	pr2.SetPageBottom(ps.ps.Height, ps.ps.Bottommargin) //
	pr2.AdvanceOneLine() //pr2需要先进纸至少一行

	//然后是打印文字
	for {
		if pl == nil {
			utils.Trace("end of PrintLine,print success")
			//清除所有标志位
			remain = PRINT_FORMAT_BOLD
			for {
				if remain >= PRINT_MAX_FLAG {
					break
				}
				curbflag = curflag & remain
				//标志改变了
				if curbflag >= 1 {
					switch curbflag {
					case PRINT_FORMAT_BOLD:
						pr2.CancelBold()
						break

					case PRINT_FORMAT_UNDERLINE:
						pr2.CancelUnderline()
						break

					case PRINT_FORMAT_SUP:
						pr2.CancelSuperline()
						break

					case PRINT_FORMAT_SUB:
						pr2.CancelSubline()
						break

					case PRINT_FORMAT_DOUBLEHEIGHT:
						pr2.CancelDoublePrintHeight()
						break

					case PRINT_FORMAT_DOUBLEWIDTH:
						pr2.CancelDoublePrintWidth()
						break

					case PRINT_FORMAT_TRIPLEHEIGHT:
					case PRINT_FORMAT_TRIPLEWIDTH:
					default:
					}
				}
				remain = remain << 1
			}
			//进行退纸操作
			pr2.EjectPaper()
			return
		}

		if Y != pl.PrY {
			//推进列
			pr2.SeekColPos(pl.PrY-Y, Y)
			pr2.Carriage()
			X = 0
			Y = pl.PrY
		}
		//进行打印
		if X != pl.PrX {
			//推进行
			pr2.SeekLinePos(pl.PrX-X, X)
			X = pl.PrX
		}

		//处理特效的事情,对当前标志和所需要的标志进行异或处理
		ftmp = curflag ^ pl.Flags
		utils.Debug("get current flag [%d]", ftmp)
		remain = PRINT_FORMAT_BOLD
		for {
			if remain >= PRINT_MAX_FLAG {
				break
			}
			curbflag = ftmp & remain
			//标志改变了
			if curbflag >= 1 {
				if (pl.Flags & curbflag) >= 1 { //表明是置位操作
					switch curbflag {

					case PRINT_FORMAT_BOLD:
						pr2.SetBold()
						break

					case PRINT_FORMAT_UNDERLINE:
						pr2.SetUnderline()
						break

					case PRINT_FORMAT_SUP:
						pr2.SetSuperline()
						break

					case PRINT_FORMAT_SUB:
						pr2.SetSubline()
						break

					case PRINT_FORMAT_DOUBLEHEIGHT:
						pr2.DoublePrintHeight()
						break

					case PRINT_FORMAT_DOUBLEWIDTH:
						pr2.DoublePrintWidth()
						break

					case PRINT_FORMAT_TRIPLEHEIGHT:
						break
					case PRINT_FORMAT_TRIPLEWIDTH:
						break
					case PRINT_FORMAT_TURNPAGE:
						pr2.EjectPaper()
					default:
					}
					SetPrintInsFlag(&curflag, curbflag)
				} else { //清除位操作
					switch curbflag {
					case PRINT_FORMAT_BOLD:
						pr2.CancelBold()
						break

					case PRINT_FORMAT_UNDERLINE:
						pr2.CancelUnderline()
						break

					case PRINT_FORMAT_SUP:
						pr2.CancelSuperline()
						break

					case PRINT_FORMAT_SUB:
						pr2.CancelSubline()
						break

					case PRINT_FORMAT_DOUBLEHEIGHT:
						pr2.CancelDoublePrintHeight()
						break

					case PRINT_FORMAT_DOUBLEWIDTH:
						pr2.CancelDoublePrintWidth()
						break

					case PRINT_FORMAT_TRIPLEHEIGHT:
					case PRINT_FORMAT_TRIPLEWIDTH:
					case PRINT_FORMAT_TURNPAGE:
					default:
					}
					ClearPrintInsFlag(&curflag, curbflag)
				}
			}

			remain = remain << 1
		}

		if pl.PrContent != "" {
			pr2.OutputString(pl.PrContent)
			X += float32(pl.clen) * ps.ps.ColInterval
			utils.Trace("After print text,X change to %f", X)
			//调整水平距离
		}
		pl = pl.PrNext
	}

}