/*
* This file is part of lanterna (http://code.google.com/p/lanterna/).
*
* lanterna is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright (C) 2010-2017 Martin Berglund
*/
package com.googlecode.lanterna.terminal.virtual;
import com.googlecode.lanterna.TerminalPosition;
import com.googlecode.lanterna.TerminalSize;
import com.googlecode.lanterna.TextCharacter;
import com.googlecode.lanterna.graphics.AbstractTextGraphics;
import com.googlecode.lanterna.graphics.TextGraphics;
/**
* Implementation of {@link TextGraphics} for {@link VirtualTerminal}
* @author Martin
*/
class VirtualTerminalTextGraphics extends AbstractTextGraphics {
private final DefaultVirtualTerminal virtualTerminal;
VirtualTerminalTextGraphics(DefaultVirtualTerminal virtualTerminal) {
this.virtualTerminal = virtualTerminal;
}
@Override
public TextGraphics setCharacter(int columnIndex, int rowIndex, TextCharacter textCharacter) {
TerminalSize size = getSize();
if(columnIndex < 0 || columnIndex >= size.getColumns() ||
rowIndex < 0 || rowIndex >= size.getRows()) {
return this;
}
synchronized(virtualTerminal) {
virtualTerminal.setCursorPosition(new TerminalPosition(columnIndex, rowIndex));
virtualTerminal.putCharacter(textCharacter);
}
return this;
}
@Override
public TextCharacter getCharacter(TerminalPosition position) {
return virtualTerminal.getCharacter(position);
}
@Override
public TextCharacter getCharacter(int column, int row) {
return getCharacter(new TerminalPosition(column, row));
}
@Override
public TerminalSize getSize() {
return virtualTerminal.getTerminalSize();
}
}