public Playground()
{
InitializeComponent();
_stm = new StateMachine();
CreatePlayground();
InitializeTextEditor();
InitializeCalculatorControls();
Load += Playground_Load;
Closing += Playground_Closing;
SizeChanged += Playground_SizeChanged;
drawingCanvas.MouseDown += DrawingCanvas_MouseDown;
drawingCanvas.MouseUp += DrawingCanvas_MouseUp;
drawingCanvas.MouseMove += DrawingCanvas_MouseMove;
drawingCanvas.Paint += (_, e) =>
e.Graphics.DrawImage(_bitmap, 0, 0);
SetStyle(ControlStyles.AllPaintingInWmPaint, true);
SetStyle(ControlStyles.DoubleBuffer, true);
SetStyle(ControlStyles.SupportsTransparentBackColor, true);
SetStyle(ControlStyles.UserPaint, true);
InitModelAndFrameTick();
_drawablePool = new List <IDrawable>();
_currentPenContext = new Curve();
_drawPen = Pens.Blue;
_toolsActivator = new Dictionary <Type, Func <int, int, PointPrimitive> >
{
{ typeof(Circle), (x, y) => new Circle(x, y, _currentHeight) },
/// <summary>
/// Draws a <see cref="PointPrimitive"/>.
/// </summary>
protected override void DrawPointPrimitive(PointPrimitive pointPrimitive)
{
Surface.FinalBuffer.Graphics.Transform = pointPrimitive.SpatialTransform.CumulativeTransform;
pointPrimitive.CoordinateSystem = CoordinateSystem.Source;
SizeF dropShadowOffset = GetDropShadowOffset(pointPrimitive, Dpi);
var width = CalculateScaledPenWidth(pointPrimitive, 1, Dpi);
// Draw drop shadow
_brush.Color = Color.Black;
Surface.FinalBuffer.Graphics.FillRectangle(
_brush,
pointPrimitive.Point.X + dropShadowOffset.Width,
pointPrimitive.Point.Y + dropShadowOffset.Height,
width,
width);
// Draw point
_brush.Color = pointPrimitive.Color;
Surface.FinalBuffer.Graphics.FillRectangle(
_brush,
pointPrimitive.Point.X,
pointPrimitive.Point.Y,
width,
width);
pointPrimitive.ResetCoordinateSystem();
Surface.FinalBuffer.Graphics.ResetTransform();
}
/// <summary>
/// Draws a point primitive to the specified destination buffer.
/// </summary>
/// <param name="buffer">The destination buffer.</param>
/// <param name="brush">A GDI brush to use for drawing.</param>
/// <param name="point">The point primitive to be drawn.</param>
/// <param name="dpi">The intended output DPI.</param>
public static void DrawPointPrimitive(IGdiBuffer buffer, SolidBrush brush, PointPrimitive point, float dpi = _nominalScreenDpi)
{
buffer.Graphics.Transform = point.SpatialTransform.CumulativeTransform;
point.CoordinateSystem = CoordinateSystem.Source;
try
{
var dropShadowOffset = GetDropShadowOffset(point, dpi);
var width = CalculateScaledPenWidth(point, 1, dpi);
// Draw drop shadow
brush.Color = Color.Black;
buffer.Graphics.FillRectangle(
brush,
point.Point.X + dropShadowOffset.Width,
point.Point.Y + dropShadowOffset.Height,
width,
width);
// Draw point
brush.Color = point.Color;
buffer.Graphics.FillRectangle(
brush,
point.Point.X,
point.Point.Y,
width,
width);
}
finally
{
point.ResetCoordinateSystem();
buffer.Graphics.ResetTransform();
}
}
public GeometricObject()
{
rendering = false;
initialized = false;
pointAppearance = new Stack <Appearance> ();
pointAppearance.Push(new Appearance(Color.red, Color.red, 60f, 1f, 1f));
lineAppearance = new Stack <Appearance> ();
lineAppearance.Push(new Appearance(Color.blue, Color.blue, 60f, 1f, 1f));
surfaceAppearance = new Stack <Appearance> ();
surfaceAppearance.Push(new Appearance(Color.green, Color.grey, 60f, 1f, 1f));
primitives = new List <PrimitiveBase> ();
ptp = new PointPrimitive();
primitives.Add(ptp);
lp = new LinePrimitive();
primitives.Add(lp);
pp = new PolygonPrimitive();
primitives.Add(pp);
sp = new SpherePrimitive();
primitives.Add(sp);
mp = new MeshPrimitive();
primitives.Add(mp);
}
public GeometricObject()
{
rendering = false;
initialized = false;
primitives = new List <PrimitiveBase> ();
ptp = new PointPrimitive();
primitives.Add(ptp);
lp = new LinePrimitive();
primitives.Add(lp);
pp = new PolygonPrimitive();
primitives.Add(pp);
sp = new SpherePrimitive();
primitives.Add(sp);
mp = new MeshPrimitive();
primitives.Add(mp);
}
/// <summary> /// Draws a <see cref="PointPrimitive"/>. Must be overridden and implemented. /// </summary> protected abstract void DrawPointPrimitive(PointPrimitive pointPrimitive);
void UpdateRendering()
{
// list of primitives to be rendered:
var primitives = new List <Primitive> {
};
// line for basX, basY:
if (tState >= 1)
{
Vector v1, v2;
v1 = basX.Direction.UnitVector * ext;
v2 = basY.Direction.UnitVector * ext;
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(pOrig, pOrig + v1)));
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(pOrig, pOrig + v2)));
}
if (tState >= 2)
{
Point p1, p2, p3, p4;
Vector v1, v2;
v1 = basX.Direction.UnitVector * ext;
v2 = basY.Direction.UnitVector * ext;
p1 = pOrig - v1 - v2;
p2 = pOrig - v1 + v2;
p3 = pOrig + v1 + v2;
p4 = pOrig + v1 - v2;
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p1, p2)));
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p2, p3)));
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p3, p4)));
primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p4, p1)));
}
/*{
* // show frame of the sectionPlane:
* Point p0 = Window.ActiveContext.SectionPlane.Frame.Origin;
* Vector vx = Window.ActiveContext.SectionPlane.Frame.DirX.UnitVector * ext * 1.2;
* Vector vy = Window.ActiveContext.SectionPlane.Frame.DirY.UnitVector * ext * 0.9;
* primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p0, p0 + vx)));
* primitives.Add(CurvePrimitive.Create(CurveSegment.Create(p0, p0 + vy)));
* }
*/
{
// show screen
ScreenPoint sp1 = new ScreenPoint(10, 10);
ScreenPoint sp2 = new ScreenPoint(Window.ActiveWindow.Size.Width - 10, Window.ActiveWindow.Size.Height - 10);
Point p1;
Single r = 1.0f;
Line l;
Vector v1;
l = Window.ActiveContext.GetCursorRay(sp1);
if (getPointUnderCursor(l, out p1, out v1))
{
primitives.Add(PointPrimitive.Create(p1, r));
}
l = Window.ActiveContext.GetCursorRay(sp2);
if (getPointUnderCursor(l, out p1, out v1))
{
primitives.Add(PointPrimitive.Create(p1, r));
}
}
// string msg = PlotCommands[0] + PlotCommands[1] + PlotCommands[2];
// primitives.Add(TextPrimitive.Create(msg, LocationPoint.RightSide, pCur, 0, 0, new TextPadding(3)));
var style = new GraphicStyle
{
LineColor = Color.Blue,
FillColor = Color.Black,
TextColor = Color.DarkGray,
LineWidth = 2
};
Rendering = Graphic.Create(style, primitives);
}
protected virtual void DrawPointPrimitive(PointPrimitive pointPrimitive)
{
GdiRenderer.DrawPointPrimitive(Surface.OverlayBuffer, _gdiObjectFactory, pointPrimitive, Dpi);
}
/// <summary>
/// Draws a <see cref="PointPrimitive"/>.
/// </summary>
protected override void DrawPointPrimitive(PointPrimitive pointPrimitive)
{
DrawPointPrimitive(Surface.FinalBuffer, _brush, pointPrimitive, Dpi);
}
protected virtual void DrawPointPrimitive(PointPrimitive pointPrimitive)
{
GdiRenderer.DrawPointPrimitive(Surface.OverlayBuffer, _brush, pointPrimitive, Dpi);
}
public static void DrawPointPrimitive(IGdiBuffer buffer, SolidBrush brush, PointPrimitive point, float dpi = _nominalScreenDpi)
{
var fakeFactory = new LegacyGdiObjectFactory(null, brush);
DrawPointPrimitive(buffer, fakeFactory, point, dpi);
}