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Class convexHull.Graphics2D

java.lang.Object
   |
   +----convexHull.Graphics2D

public class Graphics2D

extends Object

g

maxx

maxy

minx

miny

outh

outw

Graphics2D(Graphics, double, double, double, double, int, int)

Constructor - sets the bounding box for the graphics.

clearRect(double, double, double, double)

Clears given rectangle.

drawLine(double, double, double, double)

Draw line.

drawPoint(double, double, int)

Draw a point with given size.

drawRect(double, double, double, double)

Draw rectangle.

drawString(String, double, double)

Draw a string at specified coordinates.

setColor(Color)

Sets the current color.

th(double)

Translate the height in model units into screen units.

tw(double)

Translate the width in model units into screen units.

tx(double)

Translate the x coordinate into screen coordinates.

ty(double)

Translate the y coordinate into screen coordinates.

 private Graphics g

 private double minx

 private double miny

 private double maxx

 private double maxy

 private int outw

 private int outh

 public Graphics2D(Graphics g,
                   double minx,
                   double miny,
                   double maxx,
                   double maxy,
                   int outw,
                   int outh)

Constructor - sets the bounding box for the graphics. [minx,miny] will be the left bottom corner of the window.

Parameters:

g - Graphics associted with this 2D graphics

minx - left edge

maxx - right edge

miny - bottom edge

maxy - top edge

outw - output width

outh - output height

 public void setColor(Color color)

Sets the current color.

Parameters:

color - new color

 public void clearRect(double x,
                       double y,
                       double w,
                       double h)

Clears given rectangle.

Parameters:

x - the x coordinate

y - the y coordinate

w - the width of the rectangle

h - the height of the rectangle

 public void drawRect(double x,
                      double y,
                      double w,
                      double h)

Draw rectangle.

Parameters:

x - the x coordinate

y - the y coordinate

w - the width of the rectangle

h - the height of the rectangle

 public void drawLine(double x1,
                      double y1,
                      double x2,
                      double y2)

Draw line.

Parameters:

x1 - the x coordinate of the starting point

y1 - the y coordinate of the starting point

x2 - the x coordinate of the ending point

y2 - the y coordinate of the ending point

 public void drawPoint(double x,
                       double y,
                       int size)

Draw a point with given size.

Parameters:

x - the x coordinate of the point

y - the y coordinate of the point

the - size of the point in pixels (drawn as a rectangle)

 public void drawString(String s,
                        double x,
                        double y)

Draw a string at specified coordinates.

Parameters:

s - string to draw

x - the x coordinate of the string

y - the y coordinate of the string

 private int tx(double x)

Translate the x coordinate into screen coordinates.

 private int ty(double y)

Translate the y coordinate into screen coordinates.

 private int tw(double w)

Translate the width in model units into screen units.

 private int th(double h)

Translate the height in model units into screen units.

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