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rl-api: add JagexColor util

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This commit is contained in:
Max Weber
2021-07-03 17:12:01 -04:00
committed by Adam
parent d81ad59e7a
commit 8d73d50520
1 changed files with 64 additions and 0 deletions
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runelite-api/src/main/java/net/runelite/api/JagexColor.java Normal file
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/*
* Copyright (c) 2019 Abex
* 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 OWNER 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 net.runelite.api;
import java.awt.Color;
public final class JagexColor
{
public static short packHSL(int hue, int saturation, int luminance)
{
return (short) ((short) (hue & 63) << 10
| (short) (saturation & 7) << 7
| (short) (luminance & 127));
}
public static short rgbToHSL(int rgb, double brightness)
{
if (rgb == 1)
{
return 0;
}
brightness = 1.D / brightness;
double r = (double) (rgb >> 16 & 255) / 256.0D;
double g = (double) (rgb >> 8 & 255) / 256.0D;
double b = (double) (rgb & 255) / 256.0D;
r = Math.pow(r, brightness);
g = Math.pow(g, brightness);
b = Math.pow(b, brightness);
float[] hsv = Color.RGBtoHSB((int) (r * 256.D), (int) (g * 256.D), (int) (b * 256.D), null);
double hue = hsv[0];
double luminance = hsv[2] - ((hsv[2] * hsv[1]) / 2.F);
double saturation = (hsv[2] - luminance) / Math.min(luminance, 1 - luminance);
return packHSL((int) (Math.ceil(hue * 64.D) % 63.D),
(int) Math.ceil(saturation * 7.D),
(int) Math.ceil(luminance * 127.D));
}
}