private int GetBarWidth(string ACode)
{
int vResult = 0;
FModules[0] = (byte)FModul;
FModules[1] = (byte)(FModul * 2); // 2为宽条宽度
FModules[2] = (byte)(FModules[1] * 3 / 2);
FModules[3] = (byte)(FModules[1] * 2);
int vW = 0;
HCCodeLineType vLineType = HCCodeLineType.White;
for (int i = 0; i < FCode.Length; i++)
{
OneBarProps(FCode[i], ref vW, ref vLineType);
vResult += vW;
}
return(vResult);
}
public void PaintTo(HCCanvas canvas, RECT rect)
{
int vX = 0, vHeight = this.Height, vW = 0;
HCCodeLineType vLineType = HCCodeLineType.White;
if (this.FTextVisible)
{
vHeight -= 12;
}
RECT vRect = new RECT();
for (int i = 0, vLen = this.FCode.Length; i < vLen; i++)
{
vLineType = HCCodeLineType.White;
this.OneBarProps(this.FCode[i], ref vW, ref vLineType);
if (vLineType != HCCodeLineType.White)
{
canvas.Brush.Color = Color.Black;
}
else
{
canvas.Brush.Color = Color.White;
}
vRect.Left = vX;
vRect.Top = 0;
vRect.Right = vX + vW * this.FZoom;
vRect.Bottom = vHeight;
vX = vRect.Right;
vRect.Offset(rect.Left, rect.Top);
canvas.FillRect(vRect);
}
if (this.FCode == "")
{
canvas.Pen.BeginUpdate();
try
{
canvas.Pen.Width = 1;
canvas.Pen.Color = Color.Black;
}
finally
{
canvas.Pen.EndUpdate();
}
canvas.Rectangle(rect);
}
if (this.FTextVisible)
{
canvas.Font.BeginUpdate();
try
{
canvas.Font.Size = 8;
canvas.Font.FontStyles.Value = 0;
canvas.Font.Family = "Arial";
canvas.Font.Color = Color.Black;
}
finally
{
canvas.Font.EndUpdate();
}
canvas.Brush.Style = HCBrushStyle.bsClear;
if (this.FCode != "")
{
canvas.TextOut(rect.Left + (rect.Width - canvas.TextWidth(this.FText)) / 2,
rect.Top + vHeight + 2, this.FText);
}
else
{
SIZE vSize = canvas.TextExtent("无效条码" + this.FText);
canvas.TextOut(rect.Left + (rect.Width - vSize.cx) / 2,
rect.Top + (rect.Height - vSize.cy) / 2, "无效条码" + this.FText);
}
}
}
private void OneBarProps(Char code, ref int width, ref HCCodeLineType lineType)
{
switch (code)
{
case '0':
width = this.FModules[0];
lineType = HCCodeLineType.White;
break;
case '1':
width = this.FModules[1];
lineType = HCCodeLineType.White;
break;
case '2':
width = this.FModules[2];
lineType = HCCodeLineType.White;
break;
case '3':
width = this.FModules[3];
lineType = HCCodeLineType.White;
break;
case '5':
width = this.FModules[0];
lineType = HCCodeLineType.Black;
break;
case '6':
width = this.FModules[1];
lineType = HCCodeLineType.Black;
break;
case '7':
width = this.FModules[2];
lineType = HCCodeLineType.Black;
break;
case '8':
width = this.FModules[3];
lineType = HCCodeLineType.Black;
break;
case 'A':
width = this.FModules[0];
lineType = HCCodeLineType.BlackHalf;
break;
case 'B':
width = this.FModules[1];
lineType = HCCodeLineType.BlackHalf;
break;
case 'C':
width = this.FModules[2];
lineType = HCCodeLineType.BlackHalf;
break;
case 'D':
width = this.FModules[3];
lineType = HCCodeLineType.BlackHalf;
break;
case 'F':
width = this.FModules[0];
lineType = HCCodeLineType.BlackTrack;
break;
case 'G':
width = this.FModules[0];
lineType = HCCodeLineType.BlackAscend;
break;
case 'H':
width = this.FModules[0];
lineType = HCCodeLineType.BlackDescend;
break;
default:
throw new Exception("HCCode128计算宽度出错！");
}
}
