// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
package jodd.util;
/**
* Chalk256 allows you to color output going to ansi-256 console.
* @see Chalk
*/
public class Chalk256 extends Chalk<Chalk256> {
private static final String[] FG_CODES = new String[256];
private static final String[] BG_CODES = new String[256];
{
for (int i = 0; i < FG_CODES.length; i++) {
FG_CODES[i] = "38;5;" + i;
}
for (int i = 0; i < BG_CODES.length; i++) {
BG_CODES[i] = "48;5;" + i;
}
}
public static Chalk256 chalk() {
return new Chalk256();
}
// ---------------------------------------------------------------- fg codes
public Chalk256 standard(int index) {
startSequence(FG_CODES[index(index, 0, 8)]);
endSequence(RESET);
return this;
}
public Chalk256 bright(int index) {
startSequence(FG_CODES[index(index, 8, 16)]);
endSequence(RESET);
return this;
}
public Chalk256 rgb(int index) {
startSequence(FG_CODES[index(index, 16, 232)]);
endSequence(RESET);
return this;
}
/**
* Colors with red-green-blue value, in the range 0 to 6.
*/
public Chalk256 rgb(int r, int b, int g) {
startSequence(FG_CODES[index(36*r + 6*g + b,16, 232)]);
endSequence(RESET);
return this;
}
public Chalk256 grayscale(int index) {
startSequence(FG_CODES[index(index, 232, 256)]);
endSequence(RESET);
return this;
}
// ---------------------------------------------------------------- bg codes
public Chalk256 bgStandard(int index) {
startSequence(BG_CODES[index(index, 0, 8)]);
endSequence(RESET);
return this;
}
public Chalk256 bgBright(int index) {
startSequence(BG_CODES[index(index, 8, 16)]);
endSequence(RESET);
return this;
}
public Chalk256 bgRgb(int index) {
startSequence(BG_CODES[index(index, 16, 232)]);
endSequence(RESET);
return this;
}
/**
* Colors with red-green-blue value, in the range 0 to 6.
*/
public Chalk256 bgRgb(int r, int b, int g) {
startSequence(BG_CODES[index(36*r + 6*g + b,16, 232)]);
endSequence(RESET);
return this;
}
public Chalk256 bgGrayscale(int index) {
startSequence(BG_CODES[index(index, 232, 256)]);
endSequence(RESET);
return this;
}
// ---------------------------------------------------------------- bgcolors
private int index(int index, int from, int to) {
index += from;
if ((index < from) || (index >= to)) {
throw new IllegalArgumentException("Color index not in range: [0, " + (to - from) + "]");
}
return index;
}
}