public static int Build(XmlDocument dom,
out LabelParam label_param,
out string strError)
{
strError = "";
int nRet = 0;
label_param = new LabelParam();
XmlNode label = dom.DocumentElement.SelectSingleNode("label");
if (label != null)
{
// int nValue = 0;
double fValue = 0;
// width
nRet = DomUtil.GetDoubleParam(label,
"width",
0,
out fValue,
out strError);
if (nRet == -1)
{
return(-1);
}
label_param.LabelWidth = fValue;
// height
nRet = DomUtil.GetDoubleParam(label,
"height",
0,
out fValue,
out strError);
if (nRet == -1)
{
return(-1);
}
label_param.LabelHeight = fValue;
// lineSep
nRet = DomUtil.GetDoubleParam(label,
"lineSep",
0,
out fValue,
out strError);
if (nRet == -1)
{
return(-1);
}
label_param.LineSep = fValue;
{
DecimalPadding margins;
string strPaddings = DomUtil.GetAttr(label, "paddings");
nRet = GetMarginValue(
strPaddings,
out margins,
out strError);
if (nRet == -1)
{
strError = "<label>元素paddings属性值格式错误: " + strError;
return(-1);
}
label_param.LabelPaddings = margins;
}
#if NO
try
{
string strPaddings = DomUtil.GetAttr(label, "paddings");
string[] parts = strPaddings.Split(new char[] { ',' });
if (parts.Length > 0)
{
label_param.LabelPaddings.Left = Convert.ToInt32(parts[0]);
}
if (parts.Length > 1)
{
label_param.LabelPaddings.Top = Convert.ToInt32(parts[1]);
}
if (parts.Length > 2)
{
label_param.LabelPaddings.Right = Convert.ToInt32(parts[2]);
}
if (parts.Length > 3)
{
label_param.LabelPaddings.Bottom = Convert.ToInt32(parts[3]);
}
}
catch (Exception ex)
{
strError = "<label>元素paddings属性值格式错误: " + ex.Message;
return(-1);
}
#endif
string strFont = DomUtil.GetAttr(label, "font");
if (String.IsNullOrEmpty(strFont) == false)
{
if (Global.IsVirtualBarcodeFont(ref strFont) == true)
{
label_param.IsBarcodeFont = true;
}
try
{
label_param.Font = Global.BuildFont(strFont);
}
catch (Exception ex)
{
strError = "<label>元素 font 属性值格式错误: " + ex.Message;
return(-1);
}
}
}
XmlNode page = dom.DocumentElement.SelectSingleNode("page");
if (page != null)
{
{
// int nValue = 0;
double fValue = 0;
// width
nRet = DomUtil.GetDoubleParam(page,
"width",
0,
out fValue,
out strError);
if (nRet == -1)
{
return(-1);
}
label_param.PageWidth = fValue;
// height
nRet = DomUtil.GetDoubleParam(page,
"height",
0,
out fValue,
out strError);
if (nRet == -1)
{
return(-1);
}
label_param.PageHeight = fValue;
}
{
DecimalPadding margins;
string strMargins = DomUtil.GetAttr(page, "margins");
nRet = GetMarginValue(
strMargins,
out margins,
out strError);
if (nRet == -1)
{
strError = "<page>元素margins属性值格式错误: " + strError;
return(-1);
}
label_param.PageMargins = margins;
}
#if NO
try
{
string strMargins = DomUtil.GetAttr(page, "margins");
string[] parts = strMargins.Split(new char[] { ',' });
if (parts.Length > 0)
{
label_param.PageMargins.Left = Convert.ToInt32(parts[0]);
}
if (parts.Length > 1)
{
label_param.PageMargins.Top = Convert.ToInt32(parts[1]);
}
if (parts.Length > 2)
{
label_param.PageMargins.Right = Convert.ToInt32(parts[2]);
}
if (parts.Length > 3)
{
label_param.PageMargins.Bottom = Convert.ToInt32(parts[3]);
}
}
catch (Exception ex)
{
strError = "<page>元素margins属性值格式错误: " + ex.Message;
return(-1);
}
#endif
label_param.DefaultPrinter = DomUtil.GetAttr(page, "defaultPrinter");
#if NO
bool bValue = false;
nRet = DomUtil.GetBooleanParam(page,
"landscape",
false,
out bValue,
out strError);
if (nRet == -1)
{
strError = "<page> 元素的 landscape 属性错误: " + strError;
return(-1);
}
label_param.Landscape = bValue;
#endif
int nValue = 0;
DomUtil.GetIntegerParam(page,
"rotate",
0,
out nValue,
out strError);
if (nRet == -1)
{
strError = "<page> 元素的 rotate 属性错误: " + strError;
return(-1);
}
label_param.RotateDegree = nValue;
}
XmlNodeList nodes = dom.DocumentElement.SelectNodes("lineFormats/line");
label_param.LineFormats = new List <LineFormat>();
for (int i = 0; i < nodes.Count; i++)
{
XmlNode node = nodes[i];
string strFont = DomUtil.GetAttr(node, "font");
LineFormat format = new LineFormat();
if (Global.IsVirtualBarcodeFont(ref strFont) == true)
{
format.IsBarcodeFont = true;
}
if (string.IsNullOrEmpty(strFont) == false)
{
try
{
format.Font = Global.BuildFont(strFont);
}
catch (Exception ex)
{
strError = "<line>元素font属性值格式错误: " + ex.Message;
return(-1);
}
}
else
{
format.Font = null; // 继承页面的字体
}
format.Align = DomUtil.GetAttr(node, "align");
string strOffset = DomUtil.GetAttr(node, "offset");
if (string.IsNullOrEmpty(strOffset) == false)
{
try
{
double left = 0;
double right = 0;
ParsetTwoDouble(strOffset,
false,
out left,
out right);
format.OffsetX = left;
format.OffsetY = right;
}
catch (Exception ex)
{
strError = "<line>元素offset属性值格式错误: " + ex.Message;
return(-1);
}
}
string strStart = DomUtil.GetAttr(node, "start");
if (string.IsNullOrEmpty(strStart) == false)
{
try
{
double left = double.NaN;
double right = double.NaN;
ParsetTwoDouble(strStart,
true,
out left,
out right);
format.StartX = left;
format.StartY = right;
}
catch (Exception ex)
{
strError = "<line>元素start属性值格式错误: " + ex.Message;
return(-1);
}
}
string strSize = DomUtil.GetAttr(node, "size");
if (string.IsNullOrEmpty(strSize) == false)
{
try
{
double left = double.NaN;
double right = double.NaN;
ParsetTwoDouble(strSize,
true,
out left,
out right);
format.Width = left;
format.Height = right;
}
catch (Exception ex)
{
strError = "<line>元素size属性值格式错误: " + ex.Message;
return(-1);
}
}
format.ForeColor = DomUtil.GetAttr(node, "foreColor");
format.BackColor = DomUtil.GetAttr(node, "backColor");
label_param.LineFormats.Add(format);
}
return(0);
}
// 可能会抛出异常
static void SetFormatStart(LineFormat format, string strStart)
{
string strLeft = "";
string strRight = "";
StringUtil.ParseTwoPart(strStart,
",",
out strLeft,
out strRight);
if (string.IsNullOrEmpty(strLeft) == true)
format.StartX = double.NaN;
else
format.StartX = double.Parse(strLeft);
if (string.IsNullOrEmpty(strRight) == true)
format.StartY = double.NaN;
else
format.StartY = double.Parse(strRight);
}
// 因为数量单位变化，刷新 lineFormat list 的显示
void RefreshListLineFormatsUnits()
{
foreach (ListViewItem item in this.listView_lineFormats.Items)
{
LineStore store = item.Tag as LineStore;
Debug.Assert(store != null, "");
if (this._currentUnit == GraphicsUnit.Display)
{
ListViewUtil.ChangeItemText(item, COLUMN_START, store.UniversalStart);
ListViewUtil.ChangeItemText(item, COLUMN_OFFSET, store.UniversalOffset);
}
else
{
LineFormat format = new LineFormat();
SetFormatStart(format, store.UniversalStart);
SetFormatOffset(format, store.UniversalOffset);
string strStart = GetStartString(this._currentUnit, format.StartX, format.StartY);
ListViewUtil.ChangeItemText(item, COLUMN_START, strStart);
string strOffset = GetOffsetString(this._currentUnit, format.OffsetX, format.OffsetY);
ListViewUtil.ChangeItemText(item, COLUMN_OFFSET, strOffset);
}
}
}
// 可能会抛出异常
static void SetFormatOffset(LineFormat format, string strOffset)
{
string strLeft = "";
string strRight = "";
StringUtil.ParseTwoPart(strOffset,
",",
out strLeft,
out strRight);
if (string.IsNullOrEmpty(strLeft) == true)
format.OffsetX = 0;
else
format.OffsetX = double.Parse(strLeft);
if (string.IsNullOrEmpty(strRight) == true)
format.OffsetY = 0;
else
format.OffsetY = double.Parse(strRight);
}
LabelParam GetLabelParam()
{
LabelParam param = new LabelParam();
param.PageWidth = (double)this.numericUpDown_pageWidth.UniverseValue;
param.PageHeight = (double)this.numericUpDown_pageHeight.UniverseValue;
// param.Landscape = this.checkBox_landscape.Checked;
param.RotateDegree = this.rotateControl1.RotateDegree;
try
{
// 可能会抛出 ArgumentException 异常
DecimalPadding padding = PaddingDialog.ParsePaddingString(this.textBox_pagePadding.UniverseText);
#if NO
param.PageMargins = new System.Drawing.Printing.Margins(padding.Left,
padding.Right,
padding.Top,
padding.Bottom);
#endif
param.PageMargins = padding;
}
catch
{
}
param.LabelWidth = (double)this.numericUpDown_labelWidth.UniverseValue;
param.LabelHeight = (double)this.numericUpDown_labelHeight.UniverseValue;
try
{
// 可能会抛出 ArgumentException 异常
DecimalPadding padding = PaddingDialog.ParsePaddingString(this.textBox_labelPadding.UniverseText);
#if NO
param.LabelPaddings = new System.Drawing.Printing.Margins(padding.Left,
padding.Right,
padding.Top,
padding.Bottom);
#endif
param.LabelPaddings = padding;
}
catch
{
}
#if NO
Font font = null;
if (String.IsNullOrEmpty(this.textBox_labelFont.Text) == false)
{
// Create the FontConverter.
System.ComponentModel.TypeConverter converter =
System.ComponentModel.TypeDescriptor.GetConverter(typeof(Font));
font = (Font)converter.ConvertFromString(this.textBox_labelFont.Text);
}
else
{
font = Control.DefaultFont;
}
#endif
string strFontString = this.textBox_labelFont.Text;
if (Global.IsVirtualBarcodeFont(ref strFontString) == true)
param.IsBarcodeFont = true;
else
param.IsBarcodeFont = false;
param.Font = Global.BuildFont(strFontString);
param.LineFormats.Clear();
foreach (ListViewItem item in this.listView_lineFormats.Items)
{
LineStore store = item.Tag as LineStore;
Debug.Assert(store != null, "");
LineFormat format = new LineFormat();
strFontString = ListViewUtil.GetItemText(item, COLUMN_FONT);
if (string.IsNullOrEmpty(strFontString) == false)
{
if (Global.IsVirtualBarcodeFont(ref strFontString) == true)
format.IsBarcodeFont = true;
else
format.IsBarcodeFont = false;
format.Font = Global.BuildFont(strFontString);
}
else
format.Font = null;
format.Align = ListViewUtil.GetItemText(item, COLUMN_ALIGN);
SetFormatStart(format, store.UniversalStart);
SetFormatOffset(format, store.UniversalOffset);
format.ForeColor = ListViewUtil.GetItemText(item, COLUMN_FORECOLOR);
format.BackColor = ListViewUtil.GetItemText(item, COLUMN_BACKCOLOR);
param.LineFormats.Add(format);
}
param.LineSep = (double)this.numericUpDown_lineSep.UniverseValue;
param.DefaultPrinter = this.textBox_printerInfo.Text;
return param;
}
public static int Build(XmlDocument dom,
out LabelParam label_param,
out string strError)
{
strError = "";
int nRet = 0;
label_param = new LabelParam();
XmlNode label = dom.DocumentElement.SelectSingleNode("label");
if (label != null)
{
// int nValue = 0;
double fValue = 0;
// width
nRet = DomUtil.GetDoubleParam(label,
"width",
0,
out fValue,
out strError);
if (nRet == -1)
return -1;
label_param.LabelWidth = fValue;
// height
nRet = DomUtil.GetDoubleParam(label,
"height",
0,
out fValue,
out strError);
if (nRet == -1)
return -1;
label_param.LabelHeight = fValue;
// lineSep
nRet = DomUtil.GetDoubleParam(label,
"lineSep",
0,
out fValue,
out strError);
if (nRet == -1)
return -1;
label_param.LineSep = fValue;
{
DecimalPadding margins;
string strPaddings = DomUtil.GetAttr(label, "paddings");
nRet = GetMarginValue(
strPaddings,
out margins,
out strError);
if (nRet == -1)
{
strError = "<label>元素paddings属性值格式错误: " + strError;
return -1;
}
label_param.LabelPaddings = margins;
}
#if NO
try
{
string strPaddings = DomUtil.GetAttr(label, "paddings");
string[] parts = strPaddings.Split(new char[] { ',' });
if (parts.Length > 0)
label_param.LabelPaddings.Left = Convert.ToInt32(parts[0]);
if (parts.Length > 1)
label_param.LabelPaddings.Top = Convert.ToInt32(parts[1]);
if (parts.Length > 2)
label_param.LabelPaddings.Right = Convert.ToInt32(parts[2]);
if (parts.Length > 3)
label_param.LabelPaddings.Bottom = Convert.ToInt32(parts[3]);
}
catch (Exception ex)
{
strError = "<label>元素paddings属性值格式错误: " + ex.Message;
return -1;
}
#endif
string strFont = DomUtil.GetAttr(label, "font");
if (String.IsNullOrEmpty(strFont) == false)
{
if (Global.IsVirtualBarcodeFont(ref strFont) == true)
label_param.IsBarcodeFont = true;
try
{
label_param.Font = Global.BuildFont(strFont);
}
catch (Exception ex)
{
strError = "<label>元素 font 属性值格式错误: " + ex.Message;
return -1;
}
}
}
XmlNode page = dom.DocumentElement.SelectSingleNode("page");
if (page != null)
{
{
// int nValue = 0;
double fValue = 0;
// width
nRet = DomUtil.GetDoubleParam(page,
"width",
0,
out fValue,
out strError);
if (nRet == -1)
return -1;
label_param.PageWidth = fValue;
// height
nRet = DomUtil.GetDoubleParam(page,
"height",
0,
out fValue,
out strError);
if (nRet == -1)
return -1;
label_param.PageHeight = fValue;
}
{
DecimalPadding margins;
string strMargins = DomUtil.GetAttr(page, "margins");
nRet = GetMarginValue(
strMargins,
out margins,
out strError);
if (nRet == -1)
{
strError = "<page>元素margins属性值格式错误: " + strError;
return -1;
}
label_param.PageMargins = margins;
}
#if NO
try
{
string strMargins = DomUtil.GetAttr(page, "margins");
string[] parts = strMargins.Split(new char[] { ',' });
if (parts.Length > 0)
label_param.PageMargins.Left = Convert.ToInt32(parts[0]);
if (parts.Length > 1)
label_param.PageMargins.Top = Convert.ToInt32(parts[1]);
if (parts.Length > 2)
label_param.PageMargins.Right = Convert.ToInt32(parts[2]);
if (parts.Length > 3)
label_param.PageMargins.Bottom = Convert.ToInt32(parts[3]);
}
catch (Exception ex)
{
strError = "<page>元素margins属性值格式错误: " + ex.Message;
return -1;
}
#endif
label_param.DefaultPrinter = DomUtil.GetAttr(page, "defaultPrinter");
#if NO
bool bValue = false;
nRet = DomUtil.GetBooleanParam(page,
"landscape",
false,
out bValue,
out strError);
if (nRet == -1)
{
strError = "<page> 元素的 landscape 属性错误: " + strError;
return -1;
}
label_param.Landscape = bValue;
#endif
int nValue = 0;
DomUtil.GetIntegerParam(page,
"rotate",
0,
out nValue,
out strError);
if (nRet == -1)
{
strError = "<page> 元素的 rotate 属性错误: " + strError;
return -1;
}
label_param.RotateDegree = nValue;
}
XmlNodeList nodes = dom.DocumentElement.SelectNodes("lineFormats/line");
label_param.LineFormats = new List<LineFormat>();
for (int i = 0; i < nodes.Count; i++)
{
XmlNode node = nodes[i];
string strFont = DomUtil.GetAttr(node, "font");
LineFormat format = new LineFormat();
if (Global.IsVirtualBarcodeFont(ref strFont) == true)
format.IsBarcodeFont = true;
if (string.IsNullOrEmpty(strFont) == false)
{
try
{
format.Font = Global.BuildFont(strFont);
}
catch (Exception ex)
{
strError = "<line>元素font属性值格式错误: " + ex.Message;
return -1;
}
}
else
format.Font = null; // 继承页面的字体
format.Align = DomUtil.GetAttr(node, "align");
string strOffset = DomUtil.GetAttr(node, "offset");
if (string.IsNullOrEmpty(strOffset) == false)
{
try
{
double left = 0;
double right = 0;
ParsetTwoDouble(strOffset,
false,
out left,
out right);
format.OffsetX = left;
format.OffsetY = right;
}
catch (Exception ex)
{
strError = "<line>元素offset属性值格式错误: " + ex.Message;
return -1;
}
}
string strStart = DomUtil.GetAttr(node, "start");
if (string.IsNullOrEmpty(strStart) == false)
{
try
{
double left = double.NaN;
double right = double.NaN;
ParsetTwoDouble(strStart,
true,
out left,
out right);
format.StartX = left;
format.StartY = right;
}
catch (Exception ex)
{
strError = "<line>元素start属性值格式错误: " + ex.Message;
return -1;
}
}
format.ForeColor = DomUtil.GetAttr(node, "foreColor");
format.BackColor = DomUtil.GetAttr(node, "backColor");
label_param.LineFormats.Add(format);
}
return 0;
}
// 绘制一个标签的全部文字
// parameters:
// rectContent 整个文字区域的矩形
void PaintLabelContent(Graphics g,
RectangleF rectContent,
List <string> lines,
LabelParam label_param,
float x,
float y,
float nXDelta,
float nYDelta,
bool bTestingGrid)
{
using (Region old_clip = g.Clip)
{
g.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 + "*";
Font save_font = this_font;
if (this.DesignMode)
{
this_font = ReCreateFont(this_font, g);
}
try
{
float nLineHeight = this_font.GetHeight(g);
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
if (double.IsNaN(format.Width) == false)
{
rect.Width = (float)format.Width;
}
if (double.IsNaN(format.Height) == false)
{
rect.Height = (float)format.Height;
}
}
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)))
{
g.FillRectangle(brush, rect);
}
}
if (bIsBarcodeFont)
{
// strText = strText.Trim(new char[] { '*' });
// 应该是 1/100 inch 单位
float textHeight = MeasureOcrTextHeight(
g,
rect,
strText);
RectangleF target = new RectangleF(rect.X, rect.Y, rect.Width, rect.Height - textHeight);
GraphicsUnit u = g.PageUnit;
Hashtable param = new Hashtable();
param["type"] = "39";
param["code"] = strText;
param["width"] = ((int)(target.Width * 2)).ToString();
param["height"] = ((int)(target.Height * 2)).ToString();
param["margin"] = "0";
using (Image image = BuildQrCodeImage(param))
{
RectangleF source = new RectangleF(0, 0, image.Width, image.Height);
g.DrawImage(image, target, source, GraphicsUnit.Pixel);
}
RectangleF rectText = new RectangleF(rect.X,
rect.Y + target.Height,
rect.Width,
textHeight);
PaintOcrFont(
g,
rectText,
strText);
}
else
{
Brush brushText = null;
try
{
if (format != null && string.IsNullOrEmpty(format.ForeColor) == false)
{
brushText = new SolidBrush(GetColor(format.ForeColor));
}
else
{
brushText = System.Drawing.Brushes.Black;
}
g.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.DashPattern = new float[] { 1F, 3F, 1F, 3F };
g.DrawLine(pen,
new PointF(rect.Left, rect.Top),
new PointF(rect.Right, rect.Top)
);
g.DrawLine(pen,
new PointF(rect.Left + 2, rect.Bottom),
new PointF(rect.Right, rect.Bottom)
);
}
}
if (bAbsLocation == false)
{
y0 += // nLineHeight
rect.Height + (float)label_param.LineSep;
}
}
finally
{
if (this_font != save_font)
{
this_font.Dispose();
}
}
}
g.Clip = old_clip;
} // end of using clip
}
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);
}