public override void Render(IViewport viewport, OrthographicCamera camera, Vector3 worldMin, Vector3 worldMax, Graphics graphics)
{
if (HighlightedViewport != viewport)
{
return;
}
var b = GetRectangle(camera);
var start = camera.WorldToScreen(camera.Expand(b.Start));
var end = camera.WorldToScreen(camera.Expand(b.End));
graphics.SmoothingMode = SmoothingMode.HighQuality;
using (var br = new SolidBrush(State.FillColour))
{
graphics.FillRectangle(br, start.X, end.Y, end.X - start.X, start.Y - end.Y);
}
if (Handle == ResizeHandle.Center && SnappedMoveOrigin != null)
{
const int size = 4;
var orig = camera.WorldToScreen(camera.Expand(SnappedMoveOrigin.Value));
graphics.DrawLine(Pens.Yellow, orig.X - size, orig.Y - size, orig.X + size, orig.Y + size);
graphics.DrawLine(Pens.Yellow, orig.X + size, orig.Y - size, orig.X - size, orig.Y + size);
}
graphics.SmoothingMode = SmoothingMode.Default;
}
public override void Render(IViewport viewport, OrthographicCamera camera, Vector3 worldMin, Vector3 worldMax, I2DRenderer im)
{
if (Handle == ResizeHandle.Center)
{
if (HighlightedViewport != viewport)
{
return;
}
var start = camera.WorldToScreen(BoxState.Start);
var end = camera.WorldToScreen(BoxState.End);
im.AddRectFilled(start.ToVector2(), end.ToVector2(), State.FillColour);
if (SnappedMoveOrigin != null)
{
const int size = 4;
var orig = camera.WorldToScreen(camera.Expand(SnappedMoveOrigin.Value));
im.AddLine(new Vector2(orig.X - size, orig.Y - size), new Vector2(orig.X + size, orig.Y + size), Color.Yellow, 1, false);
im.AddLine(new Vector2(orig.X + size, orig.Y - size), new Vector2(orig.X - size, orig.Y + size), Color.Yellow, 1, false);
}
}
else
{
base.Render(viewport, camera, worldMin, worldMax, im);
}
}
public override void EndDrag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 position)
{
State.Viewport = null;
State.Action = BoxAction.Drawn;
State.End = Tool.SnapIfNeeded(camera.Expand(position)) + camera.GetUnusedCoordinate(State.End);
State.FixBounds();
base.EndDrag(document, viewport, camera, e, position);
}
private IMapObject SelectionTest(OrthographicCamera camera, ViewportEvent e)
{
// Create a box to represent the click, with a tolerance level
var unused = camera.GetUnusedCoordinate(new Vector3(100000, 100000, 100000));
var tolerance = 4 / camera.Zoom; // Selection tolerance of four pixels
var used = camera.Expand(new Vector3(tolerance, tolerance, 0));
var add = used + unused;
var click = camera.ScreenToWorld(e.X, e.Y);
var box = new Box(click - add, click + add);
return(GetLineIntersections(box).FirstOrDefault());
}
public override void StartDrag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 position)
{
State.Viewport = viewport;
State.Action = BoxAction.Drawing;
State.OrigStart = State.Start;
State.OrigEnd = State.End;
var st = RememberedDimensions == null ? Vector3.Zero : camera.GetUnusedCoordinate(RememberedDimensions.Start);
var wid = RememberedDimensions == null ? Vector3.Zero : camera.GetUnusedCoordinate(RememberedDimensions.End - RememberedDimensions.Start);
State.Start = Tool.SnapIfNeeded(camera.Expand(position) + st);
State.End = State.Start + wid;
base.StartDrag(document, viewport, camera, e, position);
}
public override void Drag(MapDocument document, MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
State.End = Tool.SnapIfNeeded(camera.Expand(position)) + camera.GetUnusedCoordinate(State.End);
base.Drag(document, viewport, camera, e, lastPosition, position);
}
public override void Drag(MapViewport viewport, OrthographicCamera camera, ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
Position = camera.Expand(position) + camera.GetUnusedCoordinate(Position);
base.Drag(viewport, camera, e, lastPosition, position);
}
public override void Drag(MapViewport viewport, OrthographicCamera camera, ViewportEvent e,
Vector3 lastPosition, Vector3 position)
{
Position = _vmScaleTool.SnapIfNeeded(camera.Expand(position) + camera.GetUnusedCoordinate(Position));
OnDragMoved();
}
public override void Drag(MapDocument document, MapViewport viewport, OrthographicCamera camera,
ViewportEvent e, Vector3 lastPosition, Vector3 position)
{
Position = _tool.SnapToSelection(camera.Expand(position) + camera.GetUnusedCoordinate(Position), camera);
OnDragMoved();
}