WarpPI/src/org/warp/picalculator/math/functions/equations/EquationsSystemPart.java
2016-11-02 21:56:40 +01:00

83 lines
2.3 KiB
Java

package org.warp.picalculator.math.functions.equations;
import static org.warp.picalculator.device.graphicengine.Display.Render.glColor3f;
import static org.warp.picalculator.device.graphicengine.Display.Render.glDrawLine;
import java.util.ArrayList;
import java.util.List;
import org.warp.picalculator.Error;
import org.warp.picalculator.math.MathematicalSymbols;
import org.warp.picalculator.math.functions.AnteriorFunction;
import org.warp.picalculator.math.functions.Function;
public class EquationsSystemPart extends AnteriorFunction {
public EquationsSystemPart(Function parent, Equation equazione) {
super(parent, equazione);
}
@Override
public String getSymbol() {
return MathematicalSymbols.SYSTEM;
}
@Override
protected boolean isSolvable() throws Error {
return variable.isSolved()==false;
}
@Override
public List<Function> solveOneStep() throws NumberFormatException, Error {
// TODO implementare il calcolo dei sistemi
if (variable.isSolved()) {
List<Function> ret = new ArrayList<>();
ret.add(variable);
return ret;
}
return variable.solveOneStep();
}
@Override
public void generateGraphics() {
variable.setSmall(false);
variable.generateGraphics();
width = 5 + getVariable().getWidth();
height = 3 + getVariable().getHeight() + 2;
line = 3 + getVariable().getLine();
}
@Override
public void draw(int x, int y) {
final int h = this.getHeight() - 1;
final int paddingTop = 3;
final int spazioSotto = (h - 3 - 2) / 2 + paddingTop;
final int spazioSopra = h - spazioSotto;
variable.draw(x + 5, y + paddingTop);
glColor3f(0, 0, 0);
glDrawLine(x + 2, y + 0, x + 3, y + 0);
glDrawLine(x + 1, y + 1, x + 1, y + spazioSotto / 2);
glDrawLine(x + 2, y + spazioSotto / 2 + 1, x + 2, y + spazioSotto - 1);
glDrawLine(x + 0, y + spazioSotto, x + 1, y + spazioSotto);
glDrawLine(x + 2, y + spazioSotto + 1, x + 2, y + spazioSotto + spazioSopra / 2 - 1);
glDrawLine(x + 1, y + spazioSotto + spazioSopra / 2, x + 1, y + h - 1);
glDrawLine(x + 2, y + h, x + 3, y + h);
}
@Override
public int getWidth() {
return width;
}
@Override
public int getHeight() {
return height;
}
@Override
public int getLine() {
return line;
}
}