src/com/googlecode/lanterna/screen/ScreenTextGraphics.java

   1 /*
   2  * This file is part of lanterna (http://code.google.com/p/lanterna/).
   3  *
   4  * lanterna is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Lesser General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  *
  17  * Copyright (C) 2010-2015 Martin
  18  */
  19 package com.googlecode.lanterna.screen;
  20 import com.googlecode.lanterna.TextCharacter;
  21 import com.googlecode.lanterna.TerminalSize;
  22 import com.googlecode.lanterna.graphics.AbstractTextGraphics;
  23 import com.googlecode.lanterna.graphics.TextGraphics;
  24
  25 /**
  26  * This is an implementation of TextGraphics that targets the output to a Screen. The ScreenTextGraphics object is valid
  27  * after screen resizing.
  28  * @author Martin
  29  */
  30 class ScreenTextGraphics extends AbstractTextGraphics {
  31     private final Screen screen;
  32
  33     /**
  34      * Creates a new {@code ScreenTextGraphics} targeting the specified screen
  35      * @param screen Screen we are targeting
  36      */
  37     ScreenTextGraphics(Screen screen) {
  38         super();
  39         this.screen = screen;
  40     }
  41
  42     @Override
  43     public TextGraphics setCharacter(int columnIndex, int rowIndex, TextCharacter textCharacter) {
  44         //Let the screen do culling
  45         screen.setCharacter(columnIndex, rowIndex, textCharacter);
  46         return this;
  47     }
  48
  49     @Override
  50     public TextCharacter getCharacter(int column, int row) {
  51         return screen.getBackCharacter(column, row);
  52     }
  53
  54     @Override
  55     public TerminalSize getSize() {
  56         return screen.getTerminalSize();
  57     }
  58 }