/// <summary>
/// 解析图形文件
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
private List <FigureBaseModel> ParseFigureFile(string fileName)
{
if (File.Exists(fileName))
{
string exFileName = Path.GetExtension(fileName);
switch (exFileName.ToUpper())
{
case ".DXF":
{
return(DxfHelper.LoadDXF(fileName));
}
case ".WXF":
{
return(WxfHelper.XMLReadByFile(fileName));
}
}
}
return(null);
}
private void WriteToFile(List <DrawService.CanvasControl.IDrawObject> figures, string fileName)
{
string exFileName = Path.GetExtension(fileName);
switch (exFileName.ToUpper())
{
case ".DXF":
{
var figs = FigureHelper.ToFigureBaseModel(figures);
DxfHelper.WriteDXF(figs, fileName);
this.oldFigures = figs;
}
break;
case ".WXF":
{
var figs = FigureHelper.ToFigureBaseModel(figures);
WxfHelper.XMLWriteToFile(figs, fileName);
this.oldFigures = figs;
}
break;
}
}
/// <summary>
/// Method exports Flowchart.NET drawing into Autodesk DXF version 14 format
/// </summary>
/// <param name="flowChart">Flowchart reference</param>
/// <param name="filePath">Output DXF file path to be saved</param>
/// <returns>Empty string if call was succeded error description otherwise</returns>
public void Export(FlowChart flowChart, string filePath)
{
string sResult = "";
try
{
// Validating input parameters
if (flowChart == null)
{
throw new Exception("Empty chart reference passed");
}
if (filePath == null)
{
throw new Exception("Empty path string passed");
}
// Parsing input file path extracting directory and file names
int nIdx = filePath.LastIndexOf("\\");
int nLen = filePath.Length;
FileNamePattern = filePath.Substring(nIdx + 1, nLen - (nIdx + 5));
BasedPath = filePath.Substring(0, nIdx);
// Creating DxfHelper object passing filePath as a parameter
m_DxfHelper = new DxfHelper(filePath, flowChart, m_ExportTextAsMultiline, m_ExportExternalImages,
FileNamePattern, BasedPath);
if (m_DxfHelper == null)
{
throw new Exception("Error creating DXF helper object");
}
if (!m_DxfHelper.IsValid())
{
throw new Exception(String.Format("DXF helper object isn't valid({0})", m_DxfHelper.GetStatus()));
}
// Storing Flowchart control reference for future use
m_flowChart = flowChart;
// Sorting chart shapes by 'ZIndex' key
ArrayList.Adapter(flowChart.Boxes).Sort(new DxfHelper.BoxComparer(true));
// Processing shapes
foreach (Box oBox in flowChart.Boxes)
{
if (oBox == null)
{
continue;
}
m_DxfHelper.ChartObject2String(oBox);
}
// Processing arrows
foreach (Arrow oArrow in flowChart.Arrows)
{
if (oArrow == null)
{
continue;
}
m_DxfHelper.ChartObject2String(oArrow);
}
// Processing tables
foreach (Table oTable in flowChart.Tables)
{
if (oTable == null)
{
continue;
}
m_DxfHelper.ChartObject2String(oTable);
}
// Saving prepared DXF file to disk and cleaning up
m_DxfHelper.Save();
m_DxfHelper = null;
m_flowChart = null;
}
catch (Exception ex)
{
sResult = String.Format("Error occured when exporting: {0}", ex.Message);
Trace.WriteLine(String.Format("{0} error {1}\n", "Export.DXF", ex.Message));
}
}
// строка для вывода в файл DXF
public override string ToString()
{
return(string.Format("{0}\n{1}\n", CODE, DxfHelper.DoubleToString(value)));
}
