Jcg.viewer.editor2d

Class Draw

java.lang.Object

Jcg.viewer.Draw2D

Jcg.viewer.editor2d.Draw

public class Draw
extends Draw2D

A class for drawing points, segments, graphs and planar meshes, in a cartesian frame

Version:

dec 2012

Author:

Luca Castelli Aleardi, Ecole Polytechnique (INF562)

Field Summary

Fields inherited from class Jcg.viewer.Draw2D

NO_VERTICES_NO_EDGES, ONLY_EDGES, VERTICES_AND_EDGES

Constructor Summary

Constructors

Constructor and Description
Draw()
Draw(java.awt.Graphics g, Point_2 a, Point_2 b, int w, int h)

Method Summary

Modifier and Type	Method and Description
void	draw(int type) Draw the entire graph (or mesh)
void	drawArrow(Point_2 u, Point_2 v, java.awt.Color arrowColor)
void	drawCircle(Point_2 v, int r, java.awt.Color c) Draw a circle, with a given color and size
void	drawGraph(GeometricGraph_2 graph) Draw the vertices and edges of a graph
void	drawGrid() Draw points corresponding to an integer grid
void	drawLabel(Point_2 v, java.lang.String label)
void	drawMesh(Polyhedron_3<Point_2> mesh) Draw the edges of a planar mesh (halfedge data structure)
void	drawMesh(Polyhedron_3<Point_2> mesh, java.awt.Color[] colors) Draw the colored edges of a planar mesh (halfedge data structure)
void	drawPoint(Point_2 v) Draw a point in the window (as a small circle)
void	drawSegment(Point_2 p, Point_2 q) Draw a segment between two points
void	drawSegment(Point_2 p, Point_2 q, java.awt.Color c)
void	drawSegment(Segment_2 s, java.awt.Color c)
void	drawTinyPoint(Point_2 v) Draw a point in the window (as a small circle)
void	fillTriangle(int[] x, int[] y, java.awt.Color colorTriangle, java.awt.Color e1, java.awt.Color e2, java.awt.Color e3, boolean filled)
void	fillTriangle(int[] x, int[] y, java.awt.Color triangle, java.awt.Color e1, java.awt.Color e2, java.awt.Color e3, double epsilon, boolean filled)
void	fillTriangle(Point_2 p1, Point_2 p2, Point_2 p3, java.awt.Color triangle)
int[]	getLinearCombination(int[] x, int[] y, double alpha, double beta, double gamma)
Point_2	getPoint(int i, int j) Return a point corresponding to a given position in the window The input are the integer coordinates of the pixel
java.awt.Point	getPoint(Point_2 v) Return the integer coordinates of a pixel corresponding to a given point
void	resize(Point_2 leftBottom, Point_2 rightTop) Resize the frame according to the window coordinates Input points are the left bottom and right top points of the window
java.lang.String	toString()

Methods inherited from class Jcg.viewer.Draw2D

computeBoundingBox, drawAxis, drawBoundingBox, round

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Draw

public Draw(java.awt.Graphics g,
            Point_2 a,
            Point_2 b,
            int w,
            int h)

Draw

public Draw()

Method Detail

resize

public void resize(Point_2 leftBottom,
                   Point_2 rightTop)

Description copied from class: Draw2D

Resize the frame according to the window coordinates Input points are the left bottom and right top points of the window

Specified by:

resize in class Draw2D

drawSegment

public void drawSegment(Point_2 p,
                        Point_2 q)

Description copied from class: Draw2D

Draw a segment between two points

Specified by:

drawSegment in class Draw2D

drawPoint

public void drawPoint(Point_2 v)

Draw a point in the window (as a small circle)

Specified by:

drawPoint in class Draw2D

drawTinyPoint

public void drawTinyPoint(Point_2 v)

Draw a point in the window (as a small circle)

drawGrid

public void drawGrid()

Draw points corresponding to an integer grid

getPoint

public Point_2 getPoint(int i,
                        int j)

Return a point corresponding to a given position in the window The input are the integer coordinates of the pixel

getPoint

public java.awt.Point getPoint(Point_2 v)

Return the integer coordinates of a pixel corresponding to a given point

draw

public void draw(int type)

Description copied from class: Draw2D

Draw the entire graph (or mesh)

Specified by:

draw in class Draw2D

Parameters:

type - indicates the rendering mode

fillTriangle

public void fillTriangle(int[] x,
                         int[] y,
                         java.awt.Color colorTriangle,
                         java.awt.Color e1,
                         java.awt.Color e2,
                         java.awt.Color e3,
                         boolean filled)

fillTriangle

public void fillTriangle(Point_2 p1,
                         Point_2 p2,
                         Point_2 p3,
                         java.awt.Color triangle)

drawArrow

public void drawArrow(Point_2 u,
                      Point_2 v,
                      java.awt.Color arrowColor)

fillTriangle

public void fillTriangle(int[] x,
                         int[] y,
                         java.awt.Color triangle,
                         java.awt.Color e1,
                         java.awt.Color e2,
                         java.awt.Color e3,
                         double epsilon,
                         boolean filled)

getLinearCombination

public int[] getLinearCombination(int[] x,
                                  int[] y,
                                  double alpha,
                                  double beta,
                                  double gamma)

drawSegment

public void drawSegment(Point_2 p,
                        Point_2 q,
                        java.awt.Color c)

drawSegment

public void drawSegment(Segment_2 s,
                        java.awt.Color c)

drawCircle

public void drawCircle(Point_2 v,
                       int r,
                       java.awt.Color c)

Draw a circle, with a given color and size

drawLabel

public void drawLabel(Point_2 v,
                      java.lang.String label)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

drawGraph

public void drawGraph(GeometricGraph_2 graph)

Draw the vertices and edges of a graph

Parameters:

graph - The input graph (GeometricGraph_2)

drawMesh

public void drawMesh(Polyhedron_3<Point_2> mesh)

Draw the edges of a planar mesh (halfedge data structure)

Parameters:

graph - The input graph (GeometricGraph_2)

drawMesh

public void drawMesh(Polyhedron_3<Point_2> mesh,
                     java.awt.Color[] colors)

Draw the colored edges of a planar mesh (halfedge data structure)

Parameters:

graph - The input graph (GeometricGraph_2)