static int GetMarginValue(
string strPaddings,
out DecimalPadding margins,
out string strError)
{
strError = "";
margins = new DecimalPadding();
try
{
string[] parts = strPaddings.Split(new char[] { ',' });
if (parts.Length > 0)
{
margins.Left = Convert.ToDecimal(parts[0]);
}
if (parts.Length > 1)
{
margins.Top = Convert.ToDecimal(parts[1]);
}
if (parts.Length > 2)
{
margins.Right = Convert.ToDecimal(parts[2]);
}
if (parts.Length > 3)
{
margins.Bottom = Convert.ToDecimal(parts[3]);
}
}
catch (Exception ex)
{
strError = "值格式错误: " + ex.Message;
return(-1);
}
return(0);
}
static int GetMarginValue(
string strPaddings,
out DecimalPadding margins,
out string strError)
{
strError = "";
margins = new DecimalPadding();
try
{
string[] parts = strPaddings.Split(new char[] { ',' });
if (parts.Length > 0)
margins.Left = Convert.ToDecimal(parts[0]);
if (parts.Length > 1)
margins.Top = Convert.ToDecimal(parts[1]);
if (parts.Length > 2)
margins.Right = Convert.ToDecimal(parts[2]);
if (parts.Length > 3)
margins.Bottom = Convert.ToDecimal(parts[3]);
}
catch (Exception ex)
{
strError = "值格式错误: " + ex.Message;
return -1;
}
return 0;
}
static string ToString(DecimalPadding margin)
{
return(margin.Left.ToString() + ","
+ margin.Top.ToString() + ","
+ margin.Right.ToString() + ","
+ margin.Bottom.ToString());
}
static DecimalPadding RotatePadding(DecimalPadding padding, bool bLandsape)
{
if (bLandsape == false)
{
return(padding);
}
return(new DecimalPadding(padding.Bottom, // bottom -->left
padding.Top, // top-->right
padding.Left, // left-->top
padding.Right)); // right-->bottom
}
/// <summary>
/// 解析 Padding 字符串
/// 可能会抛出 ArgumentException 异常
/// </summary>
/// <param name="strValue">要解析的字符串</param>
/// <returns>返回 DecimalPadding 对象</returns>
public static DecimalPadding ParsePaddingString(string strValue)
{
DecimalPadding padding = new DecimalPadding();
if (string.IsNullOrEmpty(strValue) == true)
{
return(padding);
}
strValue = strValue.Trim();
if (string.IsNullOrEmpty(strValue) == true)
{
return(padding);
}
strValue = strValue.Replace("，", ","); // 将中文逗号替换为西文逗号
string[] parts = strValue.Split(new char[] { ',' });
if (parts.Length != 4)
{
throw new ArgumentException("padding 字符串 '" + strValue + "' 不合法。应该是逗号间隔的 4 个数字");
}
decimal v = 0;
decimal.TryParse(parts[0], out v);
padding.Left = v;
decimal.TryParse(parts[1], out v);
padding.Top = v;
decimal.TryParse(parts[2], out v);
padding.Right = v;
decimal.TryParse(parts[3], out v);
padding.Bottom = v;
return(padding);
}
static DecimalPadding RotatePadding(DecimalPadding padding, bool bLandsape)
{
if (bLandsape == false)
return padding;
return new DecimalPadding(padding.Bottom, // bottom -->left
padding.Top, // top-->right
padding.Left, // left-->top
padding.Right); // right-->bottom
}
static string ToString(DecimalPadding margin)
{
return margin.Left.ToString() + ","
+ margin.Top.ToString() + ","
+ margin.Right.ToString() + ","
+ margin.Bottom.ToString();
}
internal void DoPrintPage(
IWin32Window owner,
LabelParam label_param,
string strStyle,
PrintPageEventArgs e)
{
string strError = "";
int nRet = 0;
if (e.Cancel == true)
{
return;
}
bool bTestingGrid = false;
if (StringUtil.IsInList("TestingGrid", strStyle) == true)
{
bTestingGrid = true;
}
int nYCount = 0;
int nXCount = 0;
double PageWidth = label_param.PageWidth;
double PageHeight = label_param.PageHeight;
int nPageWidth = e.PageBounds.Width; // PageBounds 中已经是按照 Landscape 处理过的方向了
if (PageWidth != 0)
{
nPageWidth = (int)PageWidth;
}
int nPageHeight = e.PageBounds.Height;
if (PageHeight != 0)
{
nPageHeight = (int)PageHeight;
}
DecimalPadding PageMargins = RotatePadding(label_param.PageMargins,
e.PageSettings.Landscape); // label_param.Landscape
#if NO
// 垂直方向的个数
nYCount = (e.PageBounds.Height - label_param.PageMargins.Top - label_param.PageMargins.Bottom)
/ label_param.Height;
// 水平方向的个数
nXCount = (e.PageBounds.Width - label_param.PageMargins.Left - label_param.PageMargins.Right)
/ label_param.Width;
#endif
// 垂直方向的个数
nYCount = (int)
(
(double)(nPageHeight - PageMargins.Top - PageMargins.Bottom)
/ (double)label_param.LabelHeight
);
// 水平方向的个数
nXCount = (int)
(
(double)(nPageWidth - PageMargins.Left - PageMargins.Right)
/ (double)label_param.LabelWidth
);
int from = 0;
int to = 0;
bool bOutput = true;
// 如果 e.PageSettings.PrinterSettings.FromPage == 0，会被当作打印第一页
if (e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages &&
e.PageSettings.PrinterSettings.FromPage >= 1)
{
from = e.PageSettings.PrinterSettings.FromPage;
to = e.PageSettings.PrinterSettings.ToPage;
// 交换，保证from为小
if (from > to)
{
int temp = to;
to = from;
from = temp;
}
if (this.m_nPageNo == 0)
{
this.m_nPageNo = from;
Debug.Assert(this.m_nPageNo >= 1, "");
long nLabelCount = (nXCount * nYCount) * (this.m_nPageNo - 1);
// 从文件中跳过这么多label的内容行
for (int i = 0; i < nLabelCount; i++)
{
List <string> lines = null;
nRet = this.GetLabelLines(out lines,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 1)
{
e.Cancel = true;
return;
}
}
}
/*
* if (this.m_nPageNo >= from
* && this.m_nPageNo <= to)
* {
* bOutput = true;
* }
* else
* {
* bOutput = false;
* }
* */
}
else
{
if (this.m_nPageNo == 0)
{
this.m_nPageNo = 1; // 一般性的初始化
}
}
// 加快运行速度
float nXDelta = e.PageSettings.PrintableArea.Left;
float nYDelta = e.PageSettings.PrintableArea.Top;
/*
* if (this.PrintController.IsPreview == true)
* {
* nXDelta = 0;
* nYDelta = 0;
* }
* */
if (this.OriginAtMargins == true ||
this.PreviewMode == true) // false
{
// true 如果图形起始于页面边距。否则起始于可打印区域
nXDelta = 0;
nYDelta = 0;
}
if (this.OriginPoint != null)
{
nXDelta -= this.OriginPoint.X;
nYDelta -= this.OriginPoint.Y;
}
#if NO
float nPrintableWidth = e.PageSettings.PrintableArea.Width;
float nPrintableHeight = e.PageSettings.PrintableArea.Height;
#endif
if (this.IsDesignMode)
{
// 绘制整个纸张背景 白色
using (Brush brushBack = new SolidBrush(Color.White))
{
RectangleF rectPaper = new RectangleF(0 + 1 - nXDelta,
0 + 1 - nYDelta,
e.PageBounds.Width - 2,
e.PageBounds.Height - 2);
e.Graphics.FillRectangle(brushBack, rectPaper);
}
}
// 绘制可打印区域
// 鲜红色
if (bTestingGrid == true && bOutput == true)
{
float nXOffs = 0;
float nYOffs = 0;
// 如果为正式打印，左上角(0,0)已经就是可以打印区域的左上角
// 如果为preview模式，则左上角要向右向下移动，才能模拟出显示效果
#if NO
if (this.OriginAtMargins == true ||
this.PreviewMode == true)
{
nXOffs = e.PageSettings.PrintableArea.Left;
nYOffs = e.PageSettings.PrintableArea.Top;
}
#endif
if (this.OriginPoint != null)
{
nXOffs += this.OriginPoint.X;
nYOffs += this.OriginPoint.Y;
}
RectangleF rect = RotateRectangle(e.PageSettings.PrintableArea,
e.PageSettings.Landscape); // label_param.Landscape
if (this.OriginAtMargins == true ||
this.PreviewMode == true)
{
}
else
{
rect.X = 0;
rect.Y = 0;
}
rect.Offset(nXOffs, nYOffs);
using (Pen pen = new Pen(Color.Red, (float)1))
{
DrawFourAngel(
e.Graphics,
pen,
rect,
50); // 半英寸
}
}
// 加入变换
e.Graphics.TranslateTransform(-nXDelta, -nYDelta);
nXDelta = 0;
nYDelta = 0;
if (label_param.RotateDegree != 0)
{
float x_offs, y_offs;
CenterMove(label_param.RotateDegree,
(float)label_param.PageWidth, // e.PageBounds.Width,
(float)label_param.PageHeight, // e.PageBounds.Height,
out x_offs,
out y_offs);
e.Graphics.TranslateTransform(x_offs, y_offs);
e.Graphics.RotateTransform((float)label_param.RotateDegree);
}
if (this.IsDesignMode)
{
// 绘制配置文件的页面区域
if (PageHeight > 0 && PageWidth > 0)
{
using (Brush brushBack = new SolidBrush(Color.FromArgb(128, Color.LightYellow)))
{
RectangleF rectPaper = new RectangleF(0 - nXDelta,
0 - nYDelta,
(float)PageWidth,
(float)PageHeight);
e.Graphics.FillRectangle(brushBack, rectPaper);
}
}
}
// 绘制内容区域边界(也就是排除了页面边空的中间部分)
// 淡绿色
if (bTestingGrid == true && bOutput == true)
{
using (Pen pen = new Pen(Color.FromArgb(0, 100, 0), (float)2)) // 3
{
#if NO
e.Graphics.DrawRectangle(pen,
PageMargins.Left - nXDelta,
PageMargins.Top - nYDelta,
e.PageBounds.Width - PageMargins.Left - PageMargins.Right,
e.PageBounds.Height - PageMargins.Top - PageMargins.Bottom);
#endif
e.Graphics.DrawRectangle(pen,
(float)PageMargins.Left - nXDelta,
(float)PageMargins.Top - nYDelta,
(float)nPageWidth - (float)PageMargins.Left - (float)PageMargins.Right,
(float)nPageHeight - (float)PageMargins.Top - (float)PageMargins.Bottom);
}
}
bool bEOF = false;
float y = (float)PageMargins.Top;
// 每一行的循环
for (int i = 0; i < nYCount; i++)
{
bool bDisplay = true;
if (this.IsDesignMode == true)
{
RectangleF rectLine = new RectangleF(
(float)0 - nXDelta,
(float)y - nYDelta,
(float)label_param.LabelWidth * nXCount,
(float)label_param.LabelHeight);
if (rectLine.Top > e.Graphics.ClipBounds.Bottom)
{
// Debug.WriteLine("break line loop at " + i.ToString());
break; // 当前行在剪裁区域的下方，可以中断循环了
}
if (rectLine.IntersectsWith(e.Graphics.ClipBounds) == false)
{
// Debug.WriteLine("skip line " + i.ToString());
bDisplay = false;
}
}
float x = (float)PageMargins.Left;
// 每一列的循环
for (int j = 0; j < nXCount; j++)
{
List <string> lines = null;
nRet = this.GetLabelLines(out lines,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 1)
{
bEOF = true;
}
if (bOutput == true && bDisplay == true)
{
// 标签
RectangleF rectLabel = new RectangleF(
(float)x - nXDelta,
(float)y - nYDelta,
(float)label_param.LabelWidth,
(float)label_param.LabelHeight);
if (rectLabel.Left > e.Graphics.ClipBounds.Right)
{
// Debug.WriteLine("break label loop at i=" + i.ToString() + " j=" + j.ToString());
// 当前标签在剪裁区域的右方，可以不要显示后面的标签了
bDisplay = false;
}
if (this.IsDesignMode == false ||
rectLabel.IntersectsWith(e.Graphics.ClipBounds) == true)
{
// Debug.WriteLine("i="+i.ToString()+" j="+j.ToString()+" rectLabel = "+rectLabel.ToString()+", clipbounds " + e.Graphics.ClipBounds.ToString());
// 标签内容区域
RectangleF rectContent = new RectangleF(
(float)x + (float)label_param.LabelPaddings.Left - nXDelta,
(float)y + (float)label_param.LabelPaddings.Top - nYDelta,
(float)label_param.LabelWidth - (float)label_param.LabelPaddings.Left - (float)label_param.LabelPaddings.Right - 1,
(float)label_param.LabelHeight - (float)label_param.LabelPaddings.Top - (float)label_param.LabelPaddings.Bottom - 1);
// 绘制标签边界
// 灰色
if (bTestingGrid == true)
{
// 标签白色背景
if (this.IsDesignMode == true)
{
using (Brush brushBack = new SolidBrush(Color.FromArgb(200, Color.White)))
{
e.Graphics.FillRectangle(brushBack, rectLabel);
}
}
// 标签边界
using (Pen pen = new Pen(Color.FromArgb(200, 200, 200), this.IsDesignMode ? (float)0.5 : (float)1))
{
e.Graphics.DrawRectangle(pen,
rectLabel.X,
rectLabel.Y,
rectLabel.Width,
rectLabel.Height);
}
// 绘制标签内部文字区域边界
// 淡红色
using (Pen pen = new Pen(Color.FromArgb(255, 200, 200), this.IsDesignMode ? (float)0.5 : (float)1))
{
e.Graphics.DrawRectangle(pen,
rectContent.X,
rectContent.Y,
rectContent.Width,
rectContent.Height);
}
}
// 绘制一个标签的全部文字
PaintLabelContent(e.Graphics,
rectContent,
lines,
label_param,
x,
y,
nXDelta,
nYDelta,
bTestingGrid);
} // end if IntersectsWith
} // end if bOutput == true
x += (float)label_param.LabelWidth;
}
//CONTINUE_LINE:
y += (float)label_param.LabelHeight;
}
// If more lines exist, print another page.
if (bEOF == false)
{
if (e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages)
{
if (this.m_nPageNo >= to)
{
e.HasMorePages = false;
return;
}
}
}
else
{
e.HasMorePages = false;
return;
}
this.m_nPageNo++;
e.HasMorePages = true;
return;
ERROR1:
MessageBox.Show(owner, strError);
}
/// <summary>
/// 解析 Padding 字符串
/// 可能会抛出 ArgumentException 异常
/// </summary>
/// <param name="strValue">要解析的字符串</param>
/// <returns>返回 DecimalPadding 对象</returns>
public static DecimalPadding ParsePaddingString(string strValue)
{
DecimalPadding padding = new DecimalPadding();
if (string.IsNullOrEmpty(strValue) == true)
return padding;
strValue = strValue.Trim();
if (string.IsNullOrEmpty(strValue) == true)
return padding;
strValue = strValue.Replace("，", ","); // 将中文逗号替换为西文逗号
string[] parts = strValue.Split(new char[] { ',' });
if (parts.Length != 4)
throw new ArgumentException("padding 字符串 '" + strValue + "' 不合法。应该是逗号间隔的 4 个数字");
decimal v = 0;
decimal.TryParse(parts[0], out v);
padding.Left = v;
decimal.TryParse(parts[1], out v);
padding.Top = v;
decimal.TryParse(parts[2], out v);
padding.Right = v;
decimal.TryParse(parts[3], out v);
padding.Bottom = v;
return padding;
}
internal void DoPrintPage(
IWin32Window owner,
LabelParam label_param,
string strStyle,
PrintPageEventArgs e)
{
string strError = "";
int nRet = 0;
if (e.Cancel == true)
{
return;
}
bool bTestingGrid = false;
if (StringUtil.IsInList("TestingGrid", strStyle) == true)
{
bTestingGrid = true;
}
int nYCount = 0;
int nXCount = 0;
double PageWidth = label_param.PageWidth;
double PageHeight = label_param.PageHeight;
#if NO
if (label_param.Landscape == true)
{
double nTemp = PageHeight;
PageHeight = PageWidth;
PageWidth = nTemp;
}
#endif
#if NO
if (e.PageSettings.Landscape == true)
{
double nTemp = PageHeight;
PageHeight = PageWidth;
PageWidth = nTemp;
}
#endif
int nPageWidth = e.PageBounds.Width; // PageBounds 中已经是按照 Landscape 处理过的方向了
if (PageWidth != 0)
{
nPageWidth = (int)PageWidth;
}
int nPageHeight = e.PageBounds.Height;
if (PageHeight != 0)
{
nPageHeight = (int)PageHeight;
}
DecimalPadding PageMargins = RotatePadding(label_param.PageMargins,
e.PageSettings.Landscape); // label_param.Landscape
#if NO
// 垂直方向的个数
nYCount = (e.PageBounds.Height - label_param.PageMargins.Top - label_param.PageMargins.Bottom)
/ label_param.Height;
// 水平方向的个数
nXCount = (e.PageBounds.Width - label_param.PageMargins.Left - label_param.PageMargins.Right)
/ label_param.Width;
#endif
// 垂直方向的个数
nYCount = (int)
(
(double)(nPageHeight - PageMargins.Top - PageMargins.Bottom)
/ (double)label_param.LabelHeight
);
// 水平方向的个数
nXCount = (int)
(
(double)(nPageWidth - PageMargins.Left - PageMargins.Right)
/ (double)label_param.LabelWidth
);
int from = 0;
int to = 0;
bool bOutput = true;
// 如果 e.PageSettings.PrinterSettings.FromPage == 0，会被当作打印第一页
if (e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages &&
e.PageSettings.PrinterSettings.FromPage >= 1)
{
from = e.PageSettings.PrinterSettings.FromPage;
to = e.PageSettings.PrinterSettings.ToPage;
// 交换，保证from为小
if (from > to)
{
int temp = to;
to = from;
from = temp;
}
if (this.m_nPageNo == 0)
{
this.m_nPageNo = from;
Debug.Assert(this.m_nPageNo >= 1, "");
long nLabelCount = (nXCount * nYCount) * (this.m_nPageNo - 1);
// 从文件中跳过这么多label的内容行
for (int i = 0; i < nLabelCount; i++)
{
List <string> lines = null;
nRet = this.GetLabelLines(out lines,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 1)
{
e.Cancel = true;
return;
}
}
}
/*
* if (this.m_nPageNo >= from
* && this.m_nPageNo <= to)
* {
* bOutput = true;
* }
* else
* {
* bOutput = false;
* }
* */
}
else
{
if (this.m_nPageNo == 0)
{
this.m_nPageNo = 1; // 一般性的初始化
}
}
// 加快运行速度
float nXDelta = e.PageSettings.PrintableArea.Left;
float nYDelta = e.PageSettings.PrintableArea.Top;
/*
* if (this.PrintController.IsPreview == true)
* {
* nXDelta = 0;
* nYDelta = 0;
* }
* */
if (this.OriginAtMargins == true ||
this.PreviewMode == true) // false
{
// true 如果图形起始于页面边距。否则起始于可打印区域
nXDelta = 0;
nYDelta = 0;
}
if (this.OriginPoint != null)
{
nXDelta -= this.OriginPoint.X;
nYDelta -= this.OriginPoint.Y;
}
#if NO
float nPrintableWidth = e.PageSettings.PrintableArea.Width;
float nPrintableHeight = e.PageSettings.PrintableArea.Height;
#endif
if (this.IsDesignMode)
{
// 绘制整个纸张背景 白色
using (Brush brushBack = new SolidBrush(Color.White))
{
RectangleF rectPaper = new RectangleF(0 + 1 - nXDelta,
0 + 1 - nYDelta,
e.PageBounds.Width - 2,
e.PageBounds.Height - 2);
e.Graphics.FillRectangle(brushBack, rectPaper);
}
}
// 绘制可打印区域
// 鲜红色
if (bTestingGrid == true && bOutput == true)
{
float nXOffs = 0;
float nYOffs = 0;
// 如果为正式打印，左上角(0,0)已经就是可以打印区域的左上角
// 如果为preview模式，则左上角要向右向下移动，才能模拟出显示效果
#if NO
if (this.OriginAtMargins == true ||
this.PreviewMode == true)
{
nXOffs = e.PageSettings.PrintableArea.Left;
nYOffs = e.PageSettings.PrintableArea.Top;
}
#endif
if (this.OriginPoint != null)
{
nXOffs += this.OriginPoint.X;
nYOffs += this.OriginPoint.Y;
}
RectangleF rect = RotateRectangle(e.PageSettings.PrintableArea,
e.PageSettings.Landscape); // label_param.Landscape
if (this.OriginAtMargins == true ||
this.PreviewMode == true)
{
}
else
{
rect.X = 0;
rect.Y = 0;
}
rect.Offset(nXOffs, nYOffs);
using (Pen pen = new Pen(Color.Red, (float)1))
{
DrawFourAngel(
e.Graphics,
pen,
rect,
50); // 半英寸
}
}
// 加入变换
e.Graphics.TranslateTransform(-nXDelta, -nYDelta);
nXDelta = 0;
nYDelta = 0;
if (label_param.RotateDegree != 0)
{
float x_offs, y_offs;
CenterMove(label_param.RotateDegree,
(float)label_param.PageWidth, // e.PageBounds.Width,
(float)label_param.PageHeight, // e.PageBounds.Height,
out x_offs,
out y_offs);
e.Graphics.TranslateTransform(x_offs, y_offs);
e.Graphics.RotateTransform((float)label_param.RotateDegree);
}
if (this.IsDesignMode)
{
// 绘制配置文件的页面区域
if (PageHeight > 0 && PageWidth > 0)
{
using (Brush brushBack = new SolidBrush(Color.FromArgb(128, Color.LightYellow)))
{
RectangleF rectPaper = new RectangleF(0 - nXDelta,
0 - nYDelta,
(float)PageWidth,
(float)PageHeight);
e.Graphics.FillRectangle(brushBack, rectPaper);
}
}
}
// 绘制内容区域边界(也就是排除了页面边空的中间部分)
// 淡绿色
if (bTestingGrid == true && bOutput == true)
{
using (Pen pen = new Pen(Color.FromArgb(0, 100, 0), (float)2)) // 3
{
#if NO
e.Graphics.DrawRectangle(pen,
PageMargins.Left - nXDelta,
PageMargins.Top - nYDelta,
e.PageBounds.Width - PageMargins.Left - PageMargins.Right,
e.PageBounds.Height - PageMargins.Top - PageMargins.Bottom);
#endif
e.Graphics.DrawRectangle(pen,
(float)PageMargins.Left - nXDelta,
(float)PageMargins.Top - nYDelta,
(float)nPageWidth - (float)PageMargins.Left - (float)PageMargins.Right,
(float)nPageHeight - (float)PageMargins.Top - (float)PageMargins.Bottom);
}
}
bool bEOF = false;
float y = (float)PageMargins.Top;
// 每一行的循环
for (int i = 0; i < nYCount; i++)
{
bool bDisplay = true;
if (this.IsDesignMode == true)
{
RectangleF rectLine = new RectangleF(
(float)0 - nXDelta,
(float)y - nYDelta,
(float)label_param.LabelWidth * nXCount,
(float)label_param.LabelHeight);
if (rectLine.Top > e.Graphics.ClipBounds.Bottom)
{
// Debug.WriteLine("break line loop at " + i.ToString());
break; // 当前行在剪裁区域的下方，可以中断循环了
}
if (rectLine.IntersectsWith(e.Graphics.ClipBounds) == false)
{
// Debug.WriteLine("skip line " + i.ToString());
bDisplay = false;
}
}
float x = (float)PageMargins.Left;
// 每一列的循环
for (int j = 0; j < nXCount; j++)
{
List <string> lines = null;
nRet = this.GetLabelLines(out lines,
out strError);
if (nRet == -1)
{
goto ERROR1;
}
if (nRet == 1)
{
bEOF = true;
}
if (bOutput == true && bDisplay == true)
{
// 标签
RectangleF rectLabel = new RectangleF(
(float)x - nXDelta,
(float)y - nYDelta,
(float)label_param.LabelWidth,
(float)label_param.LabelHeight);
if (rectLabel.Left > e.Graphics.ClipBounds.Right)
{
// Debug.WriteLine("break label loop at i=" + i.ToString() + " j=" + j.ToString());
// 当前标签在剪裁区域的右方，可以不要显示后面的标签了
bDisplay = false;
}
if (this.IsDesignMode == false ||
rectLabel.IntersectsWith(e.Graphics.ClipBounds) == true)
{
// Debug.WriteLine("i="+i.ToString()+" j="+j.ToString()+" rectLabel = "+rectLabel.ToString()+", clipbounds " + e.Graphics.ClipBounds.ToString());
// 标签内容区域
RectangleF rectContent = new RectangleF(
(float)x + (float)label_param.LabelPaddings.Left - nXDelta,
(float)y + (float)label_param.LabelPaddings.Top - nYDelta,
(float)label_param.LabelWidth - (float)label_param.LabelPaddings.Left - (float)label_param.LabelPaddings.Right - 1,
(float)label_param.LabelHeight - (float)label_param.LabelPaddings.Top - (float)label_param.LabelPaddings.Bottom - 1);
// 绘制标签边界
// 灰色
if (bTestingGrid == true)
{
// 标签白色背景
if (this.IsDesignMode == true)
{
using (Brush brushBack = new SolidBrush(Color.FromArgb(200, Color.White)))
{
e.Graphics.FillRectangle(brushBack, rectLabel);
}
}
// 标签边界
using (Pen pen = new Pen(Color.FromArgb(200, 200, 200), this.IsDesignMode ? (float)0.5 : (float)1))
{
e.Graphics.DrawRectangle(pen,
rectLabel.X,
rectLabel.Y,
rectLabel.Width,
rectLabel.Height);
#if NO
e.Graphics.DrawRectangle(pen,
x - nXDelta,
y - nYDelta,
(float)label_param.LabelWidth,
(float)label_param.LabelHeight);
#endif
}
// 绘制标签内部文字区域边界
// 淡红色
using (Pen pen = new Pen(Color.FromArgb(255, 200, 200), this.IsDesignMode ? (float)0.5 : (float)1))
{
e.Graphics.DrawRectangle(pen,
rectContent.X,
rectContent.Y,
rectContent.Width,
rectContent.Height);
#if NO
e.Graphics.DrawRectangle(pen,
(float)x + (float)label_param.LabelPaddings.Left - nXDelta,
(float)y + (float)label_param.LabelPaddings.Top - nYDelta,
(float)label_param.LabelWidth - (float)label_param.LabelPaddings.Left - (float)label_param.LabelPaddings.Right - 1,
(float)label_param.LabelHeight - (float)label_param.LabelPaddings.Top - (float)label_param.LabelPaddings.Bottom - 1);
#endif
}
}
#if NO
RectangleF clip = new RectangleF((float)x + (float)label_param.LabelPaddings.Left - nXDelta,
(float)y + (float)label_param.LabelPaddings.Top - nYDelta,
(float)label_param.LabelWidth - (float)label_param.LabelPaddings.Left - (float)label_param.LabelPaddings.Right,
(float)label_param.LabelHeight - (float)label_param.LabelPaddings.Top - (float)label_param.LabelPaddings.Bottom);
#endif
using (Region old_clip = e.Graphics.Clip)
{
e.Graphics.IntersectClip(rectContent);
float y0 = 0;
for (int k = 0; k < lines.Count; k++)
{
string strText = lines[k];
LineFormat format = null;
if (k < label_param.LineFormats.Count)
{
format = label_param.LineFormats[k];
}
Font this_font = null;
bool bIsBarcodeFont = false;
if (format != null && format.Font != null)
{
this_font = format.Font;
bIsBarcodeFont = format.IsBarcodeFont;
}
else
{
this_font = label_param.Font;
bIsBarcodeFont = label_param.IsBarcodeFont;
}
if (bIsBarcodeFont == true && string.IsNullOrEmpty(strText) == false)
{
strText = "*" + strText + "*";
}
float nLineHeight = this_font.GetHeight(e.Graphics);
RectangleF rect = new RectangleF((float)x + (float)label_param.LabelPaddings.Left - nXDelta,
(float)y + (float)label_param.LabelPaddings.Top + y0 - nYDelta,
(float)label_param.LabelWidth - (float)label_param.LabelPaddings.Left - (float)label_param.LabelPaddings.Right,
nLineHeight);
bool bAbsLocation = false;
// 行格式的 start 和 offset
if (format != null)
{
if (double.IsNaN(format.StartX) == false)
{
rect.X = (float)format.StartX;
}
if (double.IsNaN(format.StartY) == false)
{
rect.Y = (float)format.StartY;
bAbsLocation = true; // Y 绝对定位后，行高度不参与累计
}
rect.Offset((float)format.OffsetX, (float)format.OffsetY);
y0 += (float)format.OffsetY; // Y 偏移后，累计值也跟着调整
}
StringFormat s_format = new StringFormat();
if (format != null)
{
if (format.Align == "right")
{
s_format.Alignment = StringAlignment.Far;
}
else if (format.Align == "center")
{
s_format.Alignment = StringAlignment.Center;
}
else
{
s_format.Alignment = StringAlignment.Near;
}
s_format.Trimming = StringTrimming.EllipsisCharacter;
// s_format.LineAlignment = StringAlignment.Center;
}
if (format != null && string.IsNullOrEmpty(format.BackColor) == false)
{
using (Brush brush = new SolidBrush(GetColor(format.BackColor)))
{
e.Graphics.FillRectangle(brush, rect);
}
}
{
Brush brushText = null;
try
{
if (format != null && string.IsNullOrEmpty(format.ForeColor) == false)
{
brushText = new SolidBrush(GetColor(format.ForeColor));
}
else
{
brushText = System.Drawing.Brushes.Black;
}
e.Graphics.DrawString(strText,
this_font,
brushText,
rect,
s_format);
}
finally
{
if (brushText != System.Drawing.Brushes.Black)
{
brushText.Dispose();
}
}
}
// 文字行区域边界
// 黑色点
if (bTestingGrid == true && label_param.LineSep > 0)
{
using (Pen pen = new Pen(Color.Black, (float)1))
{
// pen.DashStyle = System.Drawing.Drawing2D.DashStyle.Custom;
#if NO
e.Graphics.DrawRectangle(pen,
rect.Left,
rect.Top,
rect.Width,
rect.Height);
#endif
pen.DashPattern = new float[] { 1F, 3F, 1F, 3F };
e.Graphics.DrawLine(pen,
new PointF(rect.Left, rect.Top),
new PointF(rect.Right, rect.Top)
);
e.Graphics.DrawLine(pen,
new PointF(rect.Left + 2, rect.Bottom),
new PointF(rect.Right, rect.Bottom)
);
}
}
if (bAbsLocation == false)
{
y0 += nLineHeight + (float)label_param.LineSep;
}
}
e.Graphics.Clip = old_clip;
} // end of using clip
} // end if IntersectsWith
} // end if bOutput == true
x += (float)label_param.LabelWidth;
}
//CONTINUE_LINE:
y += (float)label_param.LabelHeight;
}
// If more lines exist, print another page.
if (bEOF == false)
{
if (e.PageSettings.PrinterSettings.PrintRange == PrintRange.SomePages)
{
if (this.m_nPageNo >= to)
{
e.HasMorePages = false;
return;
}
}
}
else
{
e.HasMorePages = false;
return;
}
this.m_nPageNo++;
e.HasMorePages = true;
return;
ERROR1:
MessageBox.Show(owner, strError);
}
