| 1 | /** |
| 2 | * Jexer - Java Text User Interface |
| 3 | * |
| 4 | * License: LGPLv3 or later |
| 5 | * |
| 6 | * This module is licensed under the GNU Lesser General Public License |
| 7 | * Version 3. Please see the file "COPYING" in this directory for more |
| 8 | * information about the GNU Lesser General Public License Version 3. |
| 9 | * |
| 10 | * Copyright (C) 2015 Kevin Lamonte |
| 11 | * |
| 12 | * This program is free software; you can redistribute it and/or |
| 13 | * modify it under the terms of the GNU Lesser General Public License |
| 14 | * as published by the Free Software Foundation; either version 3 of |
| 15 | * the License, or (at your option) any later version. |
| 16 | * |
| 17 | * This program is distributed in the hope that it will be useful, but |
| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 20 | * General Public License for more details. |
| 21 | * |
| 22 | * You should have received a copy of the GNU Lesser General Public |
| 23 | * License along with this program; if not, see |
| 24 | * http://www.gnu.org/licenses/, or write to the Free Software |
| 25 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA |
| 26 | * 02110-1301 USA |
| 27 | * |
| 28 | * @author Kevin Lamonte [kevin.lamonte@gmail.com] |
| 29 | * @version 1 |
| 30 | */ |
| 31 | package jexer.io; |
| 32 | |
| 33 | import jexer.bits.Cell; |
| 34 | import jexer.bits.CellAttributes; |
| 35 | |
| 36 | import java.awt.Color; |
| 37 | import java.awt.Cursor; |
| 38 | import java.awt.Font; |
| 39 | import java.awt.FontMetrics; |
| 40 | import java.awt.Frame; |
| 41 | import java.awt.Graphics; |
| 42 | import java.awt.geom.Rectangle2D; |
| 43 | |
| 44 | /** |
| 45 | * This Screen implementation draws to a Java AWT Frame. |
| 46 | */ |
| 47 | public final class AWTScreen extends Screen { |
| 48 | |
| 49 | /** |
| 50 | * AWTFrame is our top-level hook into the AWT system. |
| 51 | */ |
| 52 | class AWTFrame extends Frame { |
| 53 | |
| 54 | /** |
| 55 | * The TUI Screen data. |
| 56 | */ |
| 57 | AWTScreen screen; |
| 58 | |
| 59 | /** |
| 60 | * Width of a character cell. |
| 61 | */ |
| 62 | private int textWidth = 1; |
| 63 | |
| 64 | /** |
| 65 | * Height of a character cell. |
| 66 | */ |
| 67 | private int textHeight = 1; |
| 68 | |
| 69 | /** |
| 70 | * Top pixel value. |
| 71 | */ |
| 72 | private int top = 30; |
| 73 | |
| 74 | /** |
| 75 | * Left pixel value. |
| 76 | */ |
| 77 | private int left = 30; |
| 78 | |
| 79 | /** |
| 80 | * Public constructor. |
| 81 | */ |
| 82 | public AWTFrame() { |
| 83 | setTitle("Jexer Application"); |
| 84 | setBackground(java.awt.Color.black); |
| 85 | setCursor(Cursor.getPredefinedCursor(Cursor.TEXT_CURSOR)); |
| 86 | setFont(new Font("Liberation Mono", Font.BOLD, 16)); |
| 87 | // setFont(new Font(Font.MONOSPACED, Font.PLAIN, 16)); |
| 88 | setSize(100, 100); |
| 89 | setVisible(true); |
| 90 | } |
| 91 | |
| 92 | /** |
| 93 | * Resize to font dimensions. |
| 94 | */ |
| 95 | public void resizeToScreen() { |
| 96 | Graphics gr = getGraphics(); |
| 97 | FontMetrics fm = gr.getFontMetrics(); |
| 98 | textWidth = fm.charWidth('m'); |
| 99 | textHeight = fm.getHeight(); |
| 100 | setSize((textWidth + 1) * screen.width + (2 * left), |
| 101 | (textHeight + 1) * screen.height + (2 * top)); |
| 102 | |
| 103 | System.err.printf("W: %d H: %d\n", textWidth, textHeight); |
| 104 | } |
| 105 | |
| 106 | /** |
| 107 | * Paint redraws the whole screen. |
| 108 | * |
| 109 | * @param gr the AWT Graphics context |
| 110 | */ |
| 111 | @Override |
| 112 | public void paint(Graphics gr) { |
| 113 | |
| 114 | for (int y = 0; y < screen.height; y++) { |
| 115 | for (int x = 0; x < screen.width; x++) { |
| 116 | Cell lCell = screen.logical[x][y]; |
| 117 | Cell pCell = screen.physical[x][y]; |
| 118 | |
| 119 | int xPixel = x * (textWidth + 1) + left; |
| 120 | int yPixel = y * (textHeight + 1) + top - y; |
| 121 | |
| 122 | if (!lCell.equals(pCell)) { |
| 123 | // Draw the background rectangle, then the foreground |
| 124 | // character. |
| 125 | if (lCell.getBackColor().equals(jexer.bits.Color.BLACK)) { |
| 126 | gr.setColor(Color.black); |
| 127 | } else if (lCell.getBackColor().equals(jexer.bits.Color.RED)) { |
| 128 | gr.setColor(Color.red); |
| 129 | } else if (lCell.getBackColor().equals(jexer.bits.Color.BLUE)) { |
| 130 | gr.setColor(Color.blue); |
| 131 | } else if (lCell.getBackColor().equals(jexer.bits.Color.GREEN)) { |
| 132 | gr.setColor(Color.green); |
| 133 | } else if (lCell.getBackColor().equals(jexer.bits.Color.YELLOW)) { |
| 134 | gr.setColor(Color.yellow); |
| 135 | } else if (lCell.getBackColor().equals(jexer.bits.Color.CYAN)) { |
| 136 | gr.setColor(Color.cyan); |
| 137 | } else if (lCell.getBackColor().equals(jexer.bits.Color.MAGENTA)) { |
| 138 | gr.setColor(Color.magenta); |
| 139 | } else if (lCell.getBackColor().equals(jexer.bits.Color.WHITE)) { |
| 140 | gr.setColor(Color.white); |
| 141 | } |
| 142 | gr.fillRect(xPixel, yPixel, textWidth + 1, |
| 143 | textHeight + 2); |
| 144 | |
| 145 | if (lCell.getForeColor().equals(jexer.bits.Color.BLACK)) { |
| 146 | gr.setColor(Color.black); |
| 147 | } else if (lCell.getForeColor().equals(jexer.bits.Color.RED)) { |
| 148 | gr.setColor(Color.red); |
| 149 | } else if (lCell.getForeColor().equals(jexer.bits.Color.BLUE)) { |
| 150 | gr.setColor(Color.blue); |
| 151 | } else if (lCell.getForeColor().equals(jexer.bits.Color.GREEN)) { |
| 152 | gr.setColor(Color.green); |
| 153 | } else if (lCell.getForeColor().equals(jexer.bits.Color.YELLOW)) { |
| 154 | gr.setColor(Color.yellow); |
| 155 | } else if (lCell.getForeColor().equals(jexer.bits.Color.CYAN)) { |
| 156 | gr.setColor(Color.cyan); |
| 157 | } else if (lCell.getForeColor().equals(jexer.bits.Color.MAGENTA)) { |
| 158 | gr.setColor(Color.magenta); |
| 159 | } else if (lCell.getForeColor().equals(jexer.bits.Color.WHITE)) { |
| 160 | gr.setColor(Color.white); |
| 161 | } |
| 162 | char [] chars = new char[1]; |
| 163 | chars[0] = lCell.getChar(); |
| 164 | gr.drawChars(chars, 0, 1, xPixel, |
| 165 | yPixel + textHeight - 2); |
| 166 | |
| 167 | // Physical is always updated |
| 168 | physical[x][y].setTo(lCell); |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | } |
| 173 | } |
| 174 | |
| 175 | /** |
| 176 | * The raw AWT Frame. |
| 177 | */ |
| 178 | private AWTFrame frame; |
| 179 | |
| 180 | /** |
| 181 | * Public constructor. |
| 182 | */ |
| 183 | public AWTScreen() { |
| 184 | frame = new AWTFrame(); |
| 185 | frame.screen = this; |
| 186 | frame.resizeToScreen(); |
| 187 | } |
| 188 | |
| 189 | /** |
| 190 | * Push the logical screen to the physical device. |
| 191 | */ |
| 192 | @Override |
| 193 | public void flushPhysical() { |
| 194 | Graphics gr = frame.getGraphics(); |
| 195 | frame.paint(gr); |
| 196 | } |
| 197 | } |