private void pnlEditor_MouseLeave(object sender, EventArgs e)
{
_indicator = null;
_nearestLine = null;
_newLineStart = null;
DrawEverything();
}
private void pnlEditor_MouseMove(object sender, MouseEventArgs e)
{
bool drawNeeded = false;
PointF logical = ToLogical(new Point(e.X, e.Y));
float nearestX = (float)Math.Round(logical.X);
float nearestY = (float)Math.Round(logical.Y);
if (_indicator.Value.X != nearestX || _indicator.Value.Y != nearestY)
{
_indicator = new PointF(nearestX, nearestY);
drawNeeded = true;
}
FontLine _newNearest = FindNearestLine(logical);
if (
(_newNearest == null && _nearestLine != null) ||
(_newNearest != null && _nearestLine == null) ||
(_newNearest != null && _nearestLine != null && _newNearest != _nearestLine)
)
{
_nearestLine = _newNearest;
drawNeeded = true;
}
if (drawNeeded)
{
DrawEverything();
}
lblLogicalCoordinate.Text = logical.ToString() + "| " + nearestX.ToString() + ", " + nearestY.ToString();
}
private void txtCharacter_TextChanged(object sender, EventArgs e)
{
btnSave.Enabled = pnlEditor.Enabled = txtCharacter.Text.Length == 1;
if (txtCharacter.Text.Length > 0)
{
char c = txtCharacter.Text.ToCharArray()[0];
_fontLines = _file.LoadCharacter(c);
}
else
{
_fontLines = null;
_nearestLine = null;
_indicator = null;
_newLineStart = null;
}
DrawEverything();
}
private FontLine FindNearestLine(PointF point)
{
if (_fontLines.Count == 0)
{
return(null);
}
FontLine ret = null;
float closestDistance = float.MaxValue;
foreach (FontLine line in _fontLines)
{
float distance = FindDistanceToSegment(point, line.P1, line.P2);
if (distance < .1 && distance < closestDistance)
{
ret = line;
}
}
return(ret);
}
private void pnlEditor_MouseUp(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
if (_indicator == null)
{
_newLineStart = null;
return;
}
if (_newLineStart == null)
{
_newLineStart = new PointF(_indicator.Value.X, _indicator.Value.Y);
}
else
{
if (_newLineStart.Value.X != _indicator.Value.X || _newLineStart.Value.Y != _indicator.Value.Y)
{
_fontLines.Add(new FontLine(_newLineStart.Value, _indicator.Value));
_newLineStart = null;
}
}
}
else if (e.Button == MouseButtons.Right)
{
if (_newLineStart != null)
{
_newLineStart = null;
}
else
{
if (_nearestLine != null)
{
_fontLines.Remove(_nearestLine);
_nearestLine = null;
}
}
}
DrawEverything();
}
public FontLine Copy()
{
FontLine copy = new FontLine(P1, P2);
return(copy);
}
