/*
* Copyright 2010-2015 Institut Pasteur.
*
* This file is part of Icy.
*
* Icy is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Icy is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Icy. If not, see <http://www.gnu.org/licenses/>.
*/
package icy.image;
/**
* @author Stephane
*/
public class PixelPosition extends ChannelPosition
{
public static final char X_ID = 'X';
public static final char Y_ID = 'Y';
private int x;
private int y;
/**
* @param t
* @param z
* @param c
*/
public PixelPosition(int t, int z, int c, int x, int y)
{
super(t, z, c);
this.x = x;
this.y = y;
}
public PixelPosition()
{
this(-1, -1, -1, -1, -1);
}
public void copyFrom(PixelPosition pp)
{
t = pp.t;
z = pp.z;
c = pp.c;
y = pp.y;
x = pp.x;
}
@Override
public void switchLeft()
{
t = z;
z = c;
c = y;
y = x;
x = 0;
}
@Override
public void switchRight()
{
x = y;
y = c;
c = z;
z = t;
t = 0;
}
/**
* @return the x
*/
public int getX()
{
return x;
}
/**
* @param x
* the x to set
*/
public void setX(int x)
{
this.x = x;
}
/**
* @return the y
*/
public int getY()
{
return y;
}
/**
* @param y
* the y to set
*/
public void setY(int y)
{
this.y = y;
}
public void set(int t, int z, int c, int x, int y)
{
super.set(t, z, c);
this.x = x;
this.y = y;
}
@Override
public int get(char ident)
{
final char id = Character.toUpperCase(ident);
switch (id)
{
case X_ID:
return x;
case Y_ID:
return y;
}
return super.get(ident);
}
public static boolean isValidIdentStatic(char ident)
{
final char id = Character.toUpperCase(ident);
return ChannelPosition.isValidIdentStatic(ident) || (id == X_ID) || (id == Y_ID);
}
@Override
public boolean isValidIdent(char ident)
{
return super.isValidIdentStatic(ident);
}
public boolean isXUndefined()
{
return (x == -1);
}
public boolean isYUndefined()
{
return (y == -1);
}
@Override
public boolean isUndefined()
{
return isXUndefined() || isYUndefined() || super.isUndefined();
}
/**
* Return first undefined position (T -> Z -> C -> Y -> X)
*/
@Override
public char getFirstEmptyPos()
{
final char result = super.getFirstEmptyPos();
// parent doesn't have any spare position
if (result == ' ')
{
// check in own position
if (isYUndefined())
return Y_ID;
if (isXUndefined())
return X_ID;
}
return result;
}
/**
* Return last undefined position (X -> Y -> C -> Z -> T)
*/
@Override
public char getLastEmptyPos()
{
// check in own position
if (isXUndefined())
return X_ID;
if (isYUndefined())
return Y_ID;
return super.getFirstEmptyPos();
}
public boolean isSamePos(PixelPosition pp, char posIdent)
{
final char id = Character.toUpperCase(posIdent);
switch (id)
{
case X_ID:
if ((t == -1) || (z == -1) || (c == -1) || (x == -1))
return false;
return (pp.t == t) && (pp.z == z) && (pp.c == c) && (pp.x == x);
case Y_ID:
if ((t == -1) || (z == -1) || (c == -1) || (x == -1) || (y == -1))
return false;
return (pp.t == t) && (pp.z == z) && (pp.c == c) && (pp.x == x) && (pp.y == y);
}
return super.isSamePos(pp, posIdent);
}
@Override
public int compareTo(ImagePosition o)
{
final int result = super.compareTo(o);
if ((result == 0) && (o instanceof PixelPosition))
{
final PixelPosition pp = (PixelPosition) o;
final int ox = pp.x;
final int oy = pp.y;
if (x > ox)
return 1;
if (x < ox)
return -1;
if (y > oy)
return 1;
if (y < oy)
return -1;
}
return result;
}
}