public GraphicsProcessor(Chart chart, LinePlotter linePlotter)
{
crosshairLines = new Pen(Color.RoyalBlue, 1);
ghostLines = new Pen(Color.Purple, 1);
this.chart = chart;
this.linePlotter = linePlotter;
}
public static void saveAnnotatedGraph()
{
using (SaveFileDialog dialog = new SaveFileDialog())
{
dialog.Filter = "annotation files (*.an)|*.an";
dialog.FilterIndex = 2;
dialog.InitialDirectory = @"C:\Users\Public\Documents\SavedAnnotations";
dialog.RestoreDirectory = true;
if (dialog.ShowDialog() == DialogResult.OK)
{
using (Stream stream = dialog.OpenFile())
{
stream.Flush();
StreamWriter sw = new StreamWriter(stream);
sw.WriteLine(ChartHandler.ticker);
LinePlotter.savePlotsToFile(sw); // saving the plot data
sw.Close();
stream.Close();
}
}
}
}
public static void openAnnotatedGraph()
{
string path = @"C:\Users\Public\Documents\SavedAnnotations";
string fileName = null;
using (OpenFileDialog dialog = new OpenFileDialog())
{
dialog.InitialDirectory = Path.GetFullPath(path);
dialog.Filter = "annotation files (*.an)|*.an";
dialog.FilterIndex = 2;
dialog.RestoreDirectory = true;
if (dialog.ShowDialog() == DialogResult.OK)
{
fileName = dialog.FileName;
}
}
if (fileName != null)
{
//here is where we read the file data:
using (var reader = new StreamReader(fileName))
{
bool isFirstLine = true;
while (!reader.EndOfStream)
{
if (isFirstLine)
{
//first line is the ticker of the graph annotated
string firstLine = reader.ReadLine();
ChartHandler.loadStock(firstLine);
isFirstLine = false;
}
//read the next line, the first word of that next line is the kind of annotation that the line is
string line = reader.ReadLine();
string[] splitLine = line.Split(' ');
switch (splitLine[0])
{
case "Plot":
//for a plot line, the next 4 elements in "splitLine" are the 2 start/end points of the line
double startX = Convert.ToDouble(splitLine[1]);
double startY = Convert.ToDouble(splitLine[2]);
double endX = Convert.ToDouble(splitLine[3]);
double endY = Convert.ToDouble(splitLine[4]);
LinePlotter.addLine(startX, startY, endX, endY);
break;
default:
break;
}
}
}
}
}
