public static void ImportImage(Altaxo.Data.DataTable table)
{
ColorAmplitudeFunction colorfunc;
System.IO.Stream myStream;
OpenFileDialog openFileDialog1 = new OpenFileDialog();
openFileDialog1.InitialDirectory = "c:\\" ;
openFileDialog1.Filter = "Image files (*.bmp;*.jpg;*.png,*.tif)|*.bmp;*.jpg;*.png,*.tif|All files (*.*)|*.*";
openFileDialog1.FilterIndex = 1 ;
openFileDialog1.RestoreDirectory = true ;
if(openFileDialog1.ShowDialog() == DialogResult.OK)
{
if((myStream = openFileDialog1.OpenFile())!= null)
{
System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(myStream);
int sizex = bmp.Width;
int sizey = bmp.Height;
//if(Format16bppGrayScale==bmp.PixelFormat)
colorfunc = new ColorAmplitudeFunction(ColorToBrightness);
// add here other function or the result of a dialog box
// now add new columns to the worksheet,
// the name of the columns should preferabbly simply
// the index in x direction
table.Suspend();
for(int i=0;i<sizex;i++)
{
Altaxo.Data.DoubleColumn dblcol = new Altaxo.Data.DoubleColumn();
for(int j=sizey-1;j>=0;j--)
dblcol[j] = colorfunc(bmp.GetPixel(i,j));
table.DataColumns.Add(dblcol,table.DataColumns.FindUniqueColumnName(i.ToString())); // Spalte hinzufügen
} // end for all x coordinaates
table.Resume();
myStream.Close();
myStream=null;
} // end if myStream was != null
}
}
/// <summary>
/// Shows a dialog to add columns to a table.
/// </summary>
/// <param name="table">The table where to add the columns.</param>
/// <param name="bAddToPropertyColumns">If true, the columns are added to the property columns instead of the data columns collection.</param>
public static void ShowAddColumnsDialog(Altaxo.Data.DataTable table, bool bAddToPropertyColumns)
{
Altaxo.Collections.SelectableListNodeList lbitems = new Altaxo.Collections.SelectableListNodeList();
lbitems.Add(new Altaxo.Collections.SelectableListNode("Numeric", typeof(Altaxo.Data.DoubleColumn), true));
lbitems.Add(new Altaxo.Collections.SelectableListNode("Date/Time", typeof(Altaxo.Data.DateTimeColumn), false));
lbitems.Add(new Altaxo.Collections.SelectableListNode("Text", typeof(Altaxo.Data.TextColumn), false));
IntegerAndComboBoxController ct = new IntegerAndComboBoxController(
"Number of colums to add:", 1, int.MaxValue, 1,
"Type of columns to add:", lbitems, 0);
SpinAndComboBoxControl panel = new SpinAndComboBoxControl();
ct.View = panel;
if (true == Current.Gui.ShowDialog(ct,"Add new column(s)",false))
{
System.Type columntype = (System.Type)ct.SelectedItem.Item;
table.Suspend();
if (bAddToPropertyColumns)
{
for (int i = 0; i < ct.IntegerValue; i++)
{
table.PropCols.Add((Altaxo.Data.DataColumn)System.Activator.CreateInstance(columntype));
}
}
else
{
for (int i = 0; i < ct.IntegerValue; i++)
{
table.DataColumns.Add((Altaxo.Data.DataColumn)System.Activator.CreateInstance(columntype));
}
}
table.Resume();
}
}
/// <summary>
/// Executes the script. If no instance of the script object exists, a error message will be stored and the return value is false.
/// If the script object exists, the data change notifications will be switched of (for all tables).
/// Then the Execute function of this script object is called. Afterwards, the data changed notifications are switched on again.
/// </summary>
/// <param name="myTable">The data table this script is working on.</param>
/// <returns>True if executed without exceptions, otherwise false.</returns>
/// <remarks>If exceptions were thrown during execution, the exception messages are stored
/// inside the column script and can be recalled by the Errors property.</remarks>
public bool ExecuteWithSuspendedNotifications(Altaxo.Data.DataTable myTable)
{
bool bSucceeded=true;
Altaxo.Data.DataTableCollection myDataSet=null;
// first, test some preconditions
if(null==m_ScriptObject)
{
m_Errors = new string[1]{"Script Object is null"};
return false;
}
myDataSet = Altaxo.Data.DataTableCollection.GetParentDataTableCollectionOf(myTable);
if(null!=myDataSet)
myDataSet.Suspend();
else if(null!=myTable)
myTable.Suspend();
try
{
((Altaxo.Calc.TableScriptExeBase)m_ScriptObject).Execute(myTable);
}
catch(Exception ex)
{
bSucceeded = false;
m_Errors = new string[1];
m_Errors[0] = ex.ToString();
}
finally
{
if(null!=myDataSet)
myDataSet.Resume();
else if(null!=myTable)
myTable.Resume();
}
return bSucceeded;
}
public void ImportAscii(AsciiImportOptions impopt, Altaxo.Data.DataTable table)
{
string sLine;
stream.Position=0; // rewind the stream to the beginning
System.IO.StreamReader sr = new System.IO.StreamReader(stream,System.Text.Encoding.Default,true);
Altaxo.Data.DataColumnCollection newcols = new Altaxo.Data.DataColumnCollection();
Altaxo.Data.DataColumnCollection newpropcols = new Altaxo.Data.DataColumnCollection();
// in case a structure is provided, allocate already the columsn
if(null!=impopt.recognizedStructure)
{
for(int i=0;i<impopt.recognizedStructure.Count;i++)
{
if(impopt.recognizedStructure[i]==typeof(Double))
newcols.Add(new Altaxo.Data.DoubleColumn());
else if(impopt.recognizedStructure[i]==typeof(DateTime))
newcols.Add(new Altaxo.Data.DateTimeColumn());
else if(impopt.recognizedStructure[i]==typeof(string))
newcols.Add(new Altaxo.Data.TextColumn());
else
newcols.Add(new Altaxo.Data.DBNullColumn());;
}
}
// add also additional property columns if not enough there
if(impopt.nMainHeaderLines>1) // if there are more than one header line, allocate also property columns
{
int toAdd = impopt.nMainHeaderLines-1;
for(int i=0;i<toAdd;i++)
newpropcols.Add(new Data.TextColumn());
}
// if decimal separator statistics is provided by impopt, create a number format info object
System.Globalization.NumberFormatInfo numberFormatInfo=null;
if(impopt.m_DecimalSeparatorCommaCount>0 || impopt.m_DecimalSeparatorDotCount>0)
{
numberFormatInfo = (System.Globalization.NumberFormatInfo)System.Globalization.NumberFormatInfo.CurrentInfo.Clone();
// analyse the statistics
if(impopt.m_DecimalSeparatorCommaCount>impopt.m_DecimalSeparatorDotCount) // the comma is the decimal separator
{
numberFormatInfo.NumberDecimalSeparator=",";
if(numberFormatInfo.NumberGroupSeparator==numberFormatInfo.NumberDecimalSeparator)
numberFormatInfo.NumberGroupSeparator=""; // in case now the group separator is also comma, remove the group separator
}
else if(impopt.m_DecimalSeparatorCommaCount<impopt.m_DecimalSeparatorDotCount) // the comma is the decimal separator
{
numberFormatInfo.NumberDecimalSeparator=".";
if(numberFormatInfo.NumberGroupSeparator==numberFormatInfo.NumberDecimalSeparator)
numberFormatInfo.NumberGroupSeparator=""; // in case now the group separator is also comma, remove the group separator
}
}
else // no decimal separator statistics is provided, so retrieve the numberFormatInfo object from the program options or from the current thread
{
numberFormatInfo = System.Globalization.NumberFormatInfo.CurrentInfo;
}
char [] splitchar = new char[]{impopt.cDelimiter};
// first of all, read the header if existent
for(int i=0;i<impopt.nMainHeaderLines;i++)
{
sLine = sr.ReadLine();
if(null==sLine) break;
string[] substr = sLine.Split(splitchar);
int cnt = substr.Length;
for(int k=0;k<cnt;k++)
{
if(substr[k].Length==0)
continue;
if(k>=newcols.ColumnCount)
continue;
if(i==0) // is it the column name line
{
newcols.SetColumnName(k, substr[k]);
}
else // this are threated as additional properties
{
((Data.DataColumn)newpropcols[i-1])[k] = substr[k]; // set the properties
}
}
}
for(int i=0;true;i++)
{
sLine = sr.ReadLine();
if(null==sLine) break;
string[] substr = sLine.Split(splitchar);
int cnt = Math.Min(substr.Length,newcols.ColumnCount);
for(int k=0;k<cnt;k++)
{
if(substr[k].Length==0)
continue;
if(newcols[k] is Altaxo.Data.DoubleColumn)
{
try { ((Altaxo.Data.DoubleColumn)newcols[k])[i] = System.Convert.ToDouble(substr[k],numberFormatInfo); }
catch {}
}
else if( newcols[k] is Altaxo.Data.DateTimeColumn)
{
try { ((Altaxo.Data.DateTimeColumn)newcols[k])[i] = System.Convert.ToDateTime(substr[k]); }
catch {}
}
else if( newcols[k] is Altaxo.Data.TextColumn)
{
((Altaxo.Data.TextColumn)newcols[k])[i] = substr[k];
}
else if(null==newcols[k] || newcols[k] is Altaxo.Data.DBNullColumn)
{
bool bConverted = false;
double val=Double.NaN;
DateTime valDateTime=DateTime.MinValue;
try
{
val = System.Convert.ToDouble(substr[k]);
bConverted=true;
}
catch
{
}
if(bConverted)
{
Altaxo.Data.DoubleColumn newc = new Altaxo.Data.DoubleColumn();
newc[i]=val;
newcols.Replace(k,newc);
}
else
{
try
{
valDateTime = System.Convert.ToDateTime(substr[k]);
bConverted=true;
}
catch
{
}
if(bConverted)
{
Altaxo.Data.DateTimeColumn newc = new Altaxo.Data.DateTimeColumn();
newc[i]=valDateTime;
newcols.Replace(k, newc);
}
else
{
Altaxo.Data.TextColumn newc = new Altaxo.Data.TextColumn();
newc[i]=substr[k];
newcols.Replace(k,newc);
}
} // end outer if null==newcol
}
} // end of for all cols
} // end of for all lines
// insert the new columns or replace the old ones
table.Suspend();
bool tableWasEmptyBefore = table.DataColumns.ColumnCount==0;
for(int i=0;i<newcols.ColumnCount;i++)
{
if(newcols[i] is Altaxo.Data.DBNullColumn) // if the type is undefined, use a new DoubleColumn
table.DataColumns.CopyOrReplaceOrAdd(i,new Altaxo.Data.DoubleColumn(), newcols.GetColumnName(i));
else
table.DataColumns.CopyOrReplaceOrAdd(i,newcols[i], newcols.GetColumnName(i));
// set the first column as x-column if the table was empty before, and there are more than one column
if(i==0 && tableWasEmptyBefore && newcols.ColumnCount>1)
table.DataColumns.SetColumnKind(0,Altaxo.Data.ColumnKind.X);
} // end for loop
// add the property columns
for(int i=0;i<newpropcols.ColumnCount;i++)
{
table.PropCols.CopyOrReplaceOrAdd(i,newpropcols[i], newpropcols.GetColumnName(i));
}
table.Resume();
} // end of function ImportAscii
