002
11.06.2004, 17:06 Uhr
kaihua
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| Code: |
//------------ Class Line ------------
class Line extends ProgrammZustand
{
public Line()
{
super();
zustand = LINE;
}
public Line(int sx, int sy, int ex, int ey)
{
super(sx, sy, ex, ey);
zustand = LINE;
}
public boolean isContain(int x, int y)
{
double c = Math.sqrt((endX-startX)*(endX-startX)+(endY-startY)*(endY-startY));
double c1 = Math.sqrt((x-startX)*(x-startX)+(y-startY)*(y-startY));
double c2 = Math.sqrt((endX-x)*(endX-x)+(endY-y)*(endY-y));
if(c1+c2-c <= 2)
{
isSelected = true;
return true;
}
else
{
isSelected = false;
return false;
}
}
}
//------------ Class Rectangle ------------
class Rectangle extends ProgrammZustand
{
public Rectangle()
{
super();
zustand = RECTANGLE;
}
public Rectangle(int sx, int sy, int ex, int ey)
{
super(sx, sy, ex, ey);
zustand = RECTANGLE;
}
public boolean isContain(int x, int y)
{
if(x >= minX() && x <= maxX() && y >= minY() && y <= maxY())
{
isSelected = true;
return true;
}
else
{
isSelected = false;
return false;
}
}
}
//------------ Class Ellipse ------------
class Ellipse extends ProgrammZustand
{
private double dx; // MittelPunkt
private double dy;
private double a; // L鋘ge a
private double b; // L鋘ge b
public Ellipse()
{
super();
zustand = ELLIPSE;
}
public Ellipse(int sx, int sy, int ex, int ey)
{
super(sx, sy, ex, ey);
zustand = ELLIPSE;
}
public boolean isContain(int x, int y)
{
dx = (double) (startX+endX) / 2;
dy = (double) (startY+endY) / 2;
a = (double) (maxX()-minX()) / 2;
b = (double) (maxY()-minY()) / 2;
double x1 = (x-dx)*(x-dx) / (a*a);
double y1 = (y-dy)*(y-dy) / (b*b);
if(x1+y1 <= 1)
{
isSelected = true;
return true;
}
else
{
isSelected = false;
return false;
}
}
}
//------------ Class Circle ------------
class Circle extends ProgrammZustand
{
private double dx; // MittelPunkt
private double dy;
private double r; // Radius
public Circle()
{
super();
zustand = CIRCLE;
}
public Circle(int sx, int sy, int ex, int ey)
{
super(sx, sy, ex, ey);
zustand = CIRCLE;
}
public boolean isContain(int x, int y)
{
dx = (double) (startX+endX) / 2;
dy = (double) (startY+endY) / 2;
r = 0.5*Math.sqrt(Math.pow((endX-startX), 2));
if((x-dx)*(x-dx)+(y-dy)*(y-dy)<=r*r) //und temp.stored = false
{
isSelected = true;
return true;
}
else
{
isSelected = false;
return false;
}
}
}
//------------ Class Text ------------
class Text extends ProgrammZustand
{
static String myText = " ";
public Text()
{
super();
super.text = new String();
zustand = TEXT;
}
public Text(int sx, int sy, String theText)
{
super.startX = sx;
super.startY = sy;
super.isSelected = false;
super.isFill = false;
super.color = Color.BLACK;
myText = theText;
zustand = TEXT;
}
public void setText(String theText)
{
// super.startX = sx;
// super.startY = sy;
super.isSelected = false;
super.isFill = false;
super.color = Color.BLACK;
myText = theText;
zustand = TEXT;
}
}
//------------ Class Raster ------------
class Raster extends ProgrammZustand
{
static final int ABSTAND = 20;
public Raster()
{
super();
zustand = RASTER;
}
}
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// continued |
