+++ /dev/null
-/*
- * Jexer - Java Text User Interface
- *
- * The MIT License (MIT)
- *
- * Copyright (C) 2019 Kevin Lamonte
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * @author Kevin Lamonte [kevin.lamonte@gmail.com]
- * @version 1
- */
-package jexer.bits;
-
-/**
- * A text cell color.
- */
-public final class Color {
-
- // ------------------------------------------------------------------------
- // Constants --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * SGR black value = 0.
- */
- private static final int SGRBLACK = 0;
-
- /**
- * SGR red value = 1.
- */
- private static final int SGRRED = 1;
-
- /**
- * SGR green value = 2.
- */
- private static final int SGRGREEN = 2;
-
- /**
- * SGR yellow value = 3.
- */
- private static final int SGRYELLOW = 3;
-
- /**
- * SGR blue value = 4.
- */
- private static final int SGRBLUE = 4;
-
- /**
- * SGR magenta value = 5.
- */
- private static final int SGRMAGENTA = 5;
-
- /**
- * SGR cyan value = 6.
- */
- private static final int SGRCYAN = 6;
-
- /**
- * SGR white value = 7.
- */
- private static final int SGRWHITE = 7;
-
- /**
- * Black. Bold + black = dark grey
- */
- public static final Color BLACK = new Color(SGRBLACK);
-
- /**
- * Red.
- */
- public static final Color RED = new Color(SGRRED);
-
- /**
- * Green.
- */
- public static final Color GREEN = new Color(SGRGREEN);
-
- /**
- * Yellow. Sometimes not-bold yellow is brown.
- */
- public static final Color YELLOW = new Color(SGRYELLOW);
-
- /**
- * Blue.
- */
- public static final Color BLUE = new Color(SGRBLUE);
-
- /**
- * Magenta (purple).
- */
- public static final Color MAGENTA = new Color(SGRMAGENTA);
-
- /**
- * Cyan (blue-green).
- */
- public static final Color CYAN = new Color(SGRCYAN);
-
- /**
- * White.
- */
- public static final Color WHITE = new Color(SGRWHITE);
-
- // ------------------------------------------------------------------------
- // Variables --------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * The color value. Default is SGRWHITE.
- */
- private int value = SGRWHITE;
-
- // ------------------------------------------------------------------------
- // Constructors -----------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Private constructor used to make the static Color instances.
- *
- * @param value the integer Color value
- */
- private Color(final int value) {
- this.value = value;
- }
-
- // ------------------------------------------------------------------------
- // Color ------------------------------------------------------------------
- // ------------------------------------------------------------------------
-
- /**
- * Get color value. Note that these deliberately match the color values
- * of the ECMA-48 / ANSI X3.64 / VT100-ish SGR function ("ANSI colors").
- *
- * @return the value
- */
- public int getValue() {
- return value;
- }
-
- /**
- * Public constructor returns one of the static Color instances.
- *
- * @param colorName "red", "blue", etc.
- * @return Color.RED, Color.BLUE, etc.
- */
- static Color getColor(final String colorName) {
- String str = colorName.toLowerCase();
-
- if (str.equals("black")) {
- return Color.BLACK;
- } else if (str.equals("white")) {
- return Color.WHITE;
- } else if (str.equals("red")) {
- return Color.RED;
- } else if (str.equals("cyan")) {
- return Color.CYAN;
- } else if (str.equals("green")) {
- return Color.GREEN;
- } else if (str.equals("magenta")) {
- return Color.MAGENTA;
- } else if (str.equals("blue")) {
- return Color.BLUE;
- } else if (str.equals("yellow")) {
- return Color.YELLOW;
- } else if (str.equals("brown")) {
- return Color.YELLOW;
- } else {
- // Let unknown strings become white
- return Color.WHITE;
- }
- }
-
- /**
- * Invert a color in the same way as (CGA/VGA color XOR 0x7).
- *
- * @return the inverted color
- */
- public Color invert() {
- switch (value) {
- case SGRBLACK:
- return Color.WHITE;
- case SGRWHITE:
- return Color.BLACK;
- case SGRRED:
- return Color.CYAN;
- case SGRCYAN:
- return Color.RED;
- case SGRGREEN:
- return Color.MAGENTA;
- case SGRMAGENTA:
- return Color.GREEN;
- case SGRBLUE:
- return Color.YELLOW;
- case SGRYELLOW:
- return Color.BLUE;
- default:
- throw new IllegalArgumentException("Invalid Color value: " + value);
- }
- }
-
- /**
- * Comparison check. All fields must match to return true.
- *
- * @param rhs another Color instance
- * @return true if all fields are equal
- */
- @Override
- public boolean equals(final Object rhs) {
- if (!(rhs instanceof Color)) {
- return false;
- }
-
- Color that = (Color) rhs;
- return (value == that.value);
- }
-
- /**
- * Hashcode uses all fields in equals().
- *
- * @return the hash
- */
- @Override
- public int hashCode() {
- return value;
- }
-
- /**
- * Make human-readable description of this Color.
- *
- * @return displayable String "red", "blue", etc.
- */
- @Override
- public String toString() {
- switch (value) {
- case SGRBLACK:
- return "black";
- case SGRWHITE:
- return "white";
- case SGRRED:
- return "red";
- case SGRCYAN:
- return "cyan";
- case SGRGREEN:
- return "green";
- case SGRMAGENTA:
- return "magenta";
- case SGRBLUE:
- return "blue";
- case SGRYELLOW:
- return "yellow";
- default:
- throw new IllegalArgumentException("Invalid Color value: " + value);
- }
- }
-
-}
git://git.nikiroo.be / nikiroo-utils.git / blobdiff