private void toolStripButtonZoomtoFeature_Click(object sender, EventArgs e)
{
Rectangle2D bb = CurrImage.BoundingBox();
double imageSize = Math.Max(bb.Width, bb.Height);
if (imageSize > 0.0)
{
double screenSize = Math.Min(renderPanel.Width, renderPanel.Height);
renderContext.DrawScale = (screenSize / imageSize) / 1.2;
}
else
{
renderContext.DrawScale = 1.0;
}
Vector2D displaySize = new Vector2D((renderPanel.Width / renderContext.DrawScale), (renderPanel.Height / renderContext.DrawScale));
Vector2D center = bb.MidPoint - (displaySize / 2.0f);
renderContext.Location.x = -center.x * renderContext.DrawScale;
renderContext.Location.y = -center.y * renderContext.DrawScale;
renderPanel.Render();
}
private void panel1_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Right)
{
dragLocation = new Point(e.X, e.Y);
dragMouseLock = true;
}
if (e.Button == MouseButtons.Left)
{
Vector2D loc = renderContext.ScreenToPoint(e.X, e.Y);
Vector2D snappedLoc = loc;
if (snapToGridPermanentButton.Checked)
{
snappedLoc = renderContext.GridSnap(loc);
}
switch (editAction)
{
case EditAction.ActionMovePoints:
{
List <Primitive2D> prims = CurrImage.GetPrimitivesAtLocation(loc, 4.0f / renderContext.DrawScale);
if (prims.Count == 0)
{
if (!multiselect)
{
mouseWasMovedAfterClick = false;
}
}
else
{
mouseWasMovedAfterClick = true;
if (!multiselect)
{
selection.Clear();
selection.Add(prims[0]);
}
else
{
selection.TogglePrimitive(prims[0]);
}
}
break;
}
case EditAction.ActionAddPoints:
{
CurrImage.primitives.Add(new Vector2D(snappedLoc));
break;
}
case EditAction.ActionAddLines:
{
if (linkObject != null)
{
ObjectLinker.EndLinkingObjects(CurrImage.GetLinkablePrimitives(), loc, linkObject);
linkObject = null;
renderPanel.Render();
return;
}
else
{
linkObject = ObjectLinker.StartLinkingObjects(CurrImage.GetLinkablePrimitives(), loc);
if (linkObject != null)
{
renderPanel.Render();
return;
}
}
VectorCloud2D dots = CurrImage.GetPointsAtLoction(loc, 4.0f / renderContext.DrawScale);
Vector2D dot;
if (dots.Count == 0)
{
dot = new Vector2D(snappedLoc);
CurrImage.primitives.Add(dot);
}
else
{
dot = dots[0];
}
if (lineStartPoint != null)
{
// Line is ready, connect!
CurrImage.primitives.Add(new Line2D(lineStartPoint, dot));
lineStartPoint = null;
}
else
{
// First dot, draw dummy line
lineStartPoint = dot;
}
break;
}
}
}
renderPanel.Render();
}
