public static int GetCharOffsetByX(HCCanvas ACanvas, string AText, int X)
{
int Result = -1;
if (X < 0)
{
Result = 0;
}
else
if (X > ACanvas.TextWidth(AText))
{
Result = AText.Length;
}
else
{
int vX = 0, vCharWidth = 0;
for (int i = 1; i <= AText.Length; i++)
{
vCharWidth = ACanvas.TextWidth(AText[i - 1]);
vX = vX + vCharWidth;
if (vX > X)
{
if (vX - vCharWidth / 2 > X)
{
Result = i - 1; // 计为前一个后面
}
else
{
Result = i;
}
break;
}
}
}
return(Result);
}
protected void DoSectionPaintFooterAfter(object sender, int pageIndex, RECT rect, HCCanvas canvas, SectionPaintInfo paintInfo)
{
HCSection vSection = sender as HCSection;
if (vSection.PageNoVisible)
{
int vSectionIndex = FSections.IndexOf(vSection);
int vSectionStartPageIndex = 0;
int vAllPageCount = 0;
for (int i = 0; i <= FSections.Count - 1; i++)
{
if (i == vSectionIndex)
{
vSectionStartPageIndex = vAllPageCount;
}
vAllPageCount = vAllPageCount + FSections[i].PageCount;
}
string vS = string.Format(vSection.PageNoFormat, vSectionStartPageIndex + vSection.PageNoFrom + pageIndex, vAllPageCount);
canvas.Brush.Style = HCBrushStyle.bsClear;
canvas.Font.BeginUpdate();
try
{
canvas.Font.Size = 10;
canvas.Font.Family = "宋体";
}
finally
{
canvas.Font.EndUpdate();
}
canvas.TextOut(rect.Left + (rect.Width - canvas.TextWidth(vS)) / 2, rect.Top + vSection.Footer.Height, vS);
}
}
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);
}
}
}