Renderer (singa-javafx 0.2.1 API)

All Known Implementing Classes:

ConvexHullPlayground, GraphRenderer, MoleculeGraphRenderer, RendererExamples
```
public interface Renderer
```
The renderer interface supplies default methods to draw in a GraphicsContext method.

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method and Description
`default void`	`circlePoint(Vector2D point, double diameter)` Circles the outline of a point where the `Vector2D` is positioned.
`default void`	`connectPoints(Collection<Vector2D> vectors)` Connects the points given in the List in order of their appearance with a line. The line width of the point is determined by the LineWidth (set by `GraphicsContext.setLineWidth(double)`). The color is determined by the StrokeColor (set by `GraphicsContext.setStroke(Paint)`).
`default void`	`dashLineSegment(LineSegment lineSegment, double... dashes)` Draws the given line segment.
`default Rectangle`	`drawDraggedRectangle(Vector2D firstCorner, Vector2D secondCorner)`
`default void`	`drawLine(Line line)` Draws the given line.
`default void`	`drawLineSegment(LineSegment lineSegment)` Draws the given line segment.
`default void`	`drawParabola(Parabola parabola)` Draws the given parabola.
`default void`	`drawParabola(Parabola parabola, int samplingDepth)` Draws the given parabola.
`default void`	`drawPoint(Vector2D point)` Draws a point (filled circle) where the `Vector2D` is positioned.
`default void`	`drawPoint(Vector2D point, double diameter)` Draws a point (filled circle) where the `Vector2D` is positioned.
`default void`	`drawRectangle(Vector2D firstCorner, Vector2D secondCorner)`
`default void`	`drawStraight(Vector2D start, Vector2D end)` Draws a straight by connecting the given start and end points.
`default void`	`drawTextCenteredOnPoint(String text, Vector2D center)` Draws the given text centered on the given vector.
`double`	`getDrawingHeight()`
`double`	`getDrawingWidth()`
`javafx.scene.canvas.GraphicsContext`	`getGraphicsContext()` Returns the assigned GraphicContext.

- Method Detail
  - getGraphicsContext
```
javafx.scene.canvas.GraphicsContext getGraphicsContext()
```
    Returns the assigned GraphicContext.
    
    Returns:
    
    The assigned GraphicContext.
  - getDrawingWidth
```
double getDrawingWidth()
```
  - getDrawingHeight
```
double getDrawingHeight()
```
  - drawPoint
```
default void drawPoint(Vector2D point,
                       double diameter)
```
    Draws a point (filled circle) where the Vector2D is positioned. The point is centered on the vector.
    - The color is determined by the FillColor (set by GraphicsContext.setFill(Paint)).
    Parameters:
    
    point - The position of the point.
    
    diameter - The diameter of the point.
  - drawPoint
```
default void drawPoint(Vector2D point)
```
    Draws a point (filled circle) where the Vector2D is positioned. The point is centered on the vector.
    - The diameter of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the FillColor (set by GraphicsContext.setFill(Paint)).
    Parameters:
    
    point - The position of the point.
  - circlePoint
```
default void circlePoint(Vector2D point,
                         double diameter)
```
    Circles the outline of a point where the Vector2D is positioned. The point is centered on the vector .
    - The color is determined by the FillColor (set by GraphicsContext.setFill(Paint)).
    Parameters:
    
    point - The position of the point.
    
    diameter - The diameter of the circle.
  - connectPoints
```
default void connectPoints(Collection<Vector2D> vectors)
```
    Connects the points given in the List in order of their appearance with a line.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    vectors - The points to be connected with a line.
  - drawStraight
```
default void drawStraight(Vector2D start,
                          Vector2D end)
```
    Draws a straight by connecting the given start and end points.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    start - The starting point.
    
    end - The ending point.
  - drawLineSegment
```
default void drawLineSegment(LineSegment lineSegment)
```
    Draws the given line segment.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    lineSegment - The line segment.
  - dashLineSegment
```
default void dashLineSegment(LineSegment lineSegment,
                             double... dashes)
```
    Draws the given line segment.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    dashes - An array of finite non negative dash length.
    
    lineSegment - The line segment.
  - drawLine
```
default void drawLine(Line line)
```
    Draws the given line. The line is drawn over the whole displayed Canvas.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    line - The line.
  - drawParabola
```
default void drawParabola(Parabola parabola)
```
    Draws the given parabola. The parabola is drawn over the whole displayed Canvas.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    parabola - The parabola.
  - drawParabola
```
default void drawParabola(Parabola parabola,
                          int samplingDepth)
```
    Draws the given parabola. The parabola is drawn over the whole displayed Canvas. The sampling depth gives the number of points that are connected to draw the parabola. The higher the depth, the finer the parabola is drawn.
    - The line width of the point is determined by the LineWidth (set by GraphicsContext.setLineWidth(double)).
    - The color is determined by the StrokeColor (set by GraphicsContext.setStroke(Paint)).
    Parameters:
    
    parabola - The parabola.
    
    samplingDepth - The number of points that are connected to draw the parabola.
  - drawTextCenteredOnPoint
```
default void drawTextCenteredOnPoint(String text,
                                     Vector2D center)
```
    Draws the given text centered on the given vector.
    - The font settings are determined by the graphics context.
    - The color is determined by the FillColor (set by GraphicsContext.setFill(Paint)).
    Parameters:
    
    text - The text to draw.
    
    center - The point to center onto.
  - drawRectangle
```
default void drawRectangle(Vector2D firstCorner,
                           Vector2D secondCorner)
```
  - drawDraggedRectangle
```
default Rectangle drawDraggedRectangle(Vector2D firstCorner,
                                       Vector2D secondCorner)
```

Interface Renderer

Method Summary

Method Detail

getGraphicsContext

getDrawingWidth

getDrawingHeight

drawPoint

drawPoint

circlePoint

connectPoints

drawStraight

drawLineSegment

dashLineSegment

drawLine

drawParabola

drawParabola

drawTextCenteredOnPoint

drawRectangle

drawDraggedRectangle