public void Draw(CoordinateTransformer coordinateSystem, BrushProvider brushProvider, Graphics graphicsObj)
{
var bounds = new Rectangle();
bounds.X = (int)coordinateSystem.ValidTimeToX(validFrom);
bounds.Y = (int)coordinateSystem.RecordTimeToY(recordTo);
bounds.Width = (int)coordinateSystem.ValidTimeToX(validTo) - bounds.X;
bounds.Height = (int)coordinateSystem.RecordTimeToY(recordFrom) - bounds.Y;
if (bounds.Width == 0 || bounds.Height == 0)
return;
var brush = brushProvider.GetBrush(transactionId, transactionId, recordFrom, recordTo, validFrom, validTo, new Rectangle(bounds.Y, bounds.X, bounds.Height, bounds.Width));
var pen = new Pen(Color.Black, 1);
graphicsObj.FillRectangle(brush, bounds);
graphicsObj.DrawRectangle(pen, bounds);
var text = String.Format("T:{0} / R:{1}", transactionId, String.Join(", ", revIds));
var font = new Font("Lucida Console", 10f);
var textBrush = new SolidBrush(Color.Black);
var height = graphicsObj.MeasureString(text, font).Height;
if (validFrom == DateTime.MinValue)
{
bounds.X += 10;
}
if(coordinateSystem.fontVisible)
graphicsObj.DrawString(text, font, textBrush, bounds.X, bounds.Bottom - height);
brush.Dispose();
}
public void Draw(CoordinateTransformer coordinateSystem, BrushProvider brushProvider, Graphics graphicsObj)
{
foreach (var version in transactions.Values)
{
version.Draw(coordinateSystem, brushProvider, graphicsObj);
}
}
public Form1()
{
InitializeComponent();
SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.DoubleBuffer, true);
checkpoint = new Checkpoint();
var mins = checkpoint.MinCorner();
CoordinateTransformer.start = mins.Item1.recordFrom;
var tran = new CoordinateTransformer(zoom, offsetX, offsetY);
if (mins.Item2.validFrom == DateTime.MinValue)
{
offsetX = -tran.ValidTimeToX(DateTime.Now);
}
else
offsetX = -tran.ValidTimeToX(mins.Item2.validFrom) + 50;
offsetY = tran.RecordTimeToY(mins.Item1.recordFrom) - 500;
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
long tranId = hoverVersion == null ? 0L : hoverVersion.transactionId;
var coords = new CoordinateTransformer(zoom, offsetX, offsetY);
checkpoint.Draw(coords, new BrushProvider(tranId), e.Graphics);
e.Graphics.FillRectangle(new SolidBrush(Color.White), 680, 0, 400, 900 );
e.Graphics.DrawString(hoverText, new Font("Lucida Console", 10), new SolidBrush(Color.Black), 685, 10);
var pen = new Pen(new SolidBrush(Color.DarkGray));
e.Graphics.DrawLine(pen, mouseX, 0, mouseX, 1000);
e.Graphics.DrawLine(pen, 0, mouseY, 1000, mouseY);
var now = (int)coords.RecordTimeToY(DateTime.Now);
e.Graphics.DrawLine(pen, 0, now, 1000, now);
}
public Version FindVersion(CoordinateTransformer coords, int x, int y)
{
var validTime = coords.XToValidTime(x);
var recordTime = coords.YToRecordTime(y);
return transactions.SingleOrDefault(kvp => kvp.Value.recordFrom <= recordTime &&
kvp.Value.recordTo >= recordTime &&
kvp.Value.validFrom <= validTime &&
kvp.Value.validTo >= validTime).Value;
}
