PPT Slide

J.80

public boolean mouseUp(Event evt, int x, int y) {

if (currline < MAXLINES) {

addline(x,y);

return true;

}

else return false;

}

public boolean mouseDrag(Event evt, int x, int y) {

if (currline < MAXLINES) {

currentpoint = new Point(x,y);

repaint();

return true;

}

else return false;

}

void addline(int x, int y) {

starts[currline] = anchor;

ends[currline] = new Point(x,y);

currline++;

currentpoint = null;

anchor = null;

repaint();

}

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