cache: fix objexporter hsl to rgb calculation
This was doing hsb to rgb instead
This commit is contained in:
Adam
178
cache/src/test/java/net/runelite/cache/models/JagexColorTest.java
vendored
Normal file
178
cache/src/test/java/net/runelite/cache/models/JagexColorTest.java
vendored
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/*
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* Copyright (c) 2020 Abex
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package net.runelite.cache.models;
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import static org.junit.Assert.assertEquals;
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import org.junit.Test;
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public class JagexColorTest
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{
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private static final double[] BRIGHTNESS_LEVELS = {
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JagexColor.BRIGTHNESS_MIN,
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JagexColor.BRIGHTNESS_LOW,
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JagexColor.BRIGHTNESS_HIGH,
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JagexColor.BRIGHTNESS_MAX,
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};
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// copy/pasted from the client, the reference colors
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private static int[] computeColorTable(double brightness, int min, int max)
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{
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int[] colorPalette = new int[65536];
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int var4 = min * 128;
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for (int var5 = min; var5 < max; ++var5)
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{
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double var6 = (double) (var5 >> 3) / 64.0D + 0.0078125D;
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double var8 = (double) (var5 & 7) / 8.0D + 0.0625D;
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for (int var10 = 0; var10 < 128; ++var10)
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{
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double var11 = (double) var10 / 128.0D;
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double var13 = var11;
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double var15 = var11;
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double var17 = var11;
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if (var8 != 0.0D)
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{
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double var19;
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if (var11 < 0.5D)
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{
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var19 = var11 * (1.0D + var8);
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}
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else
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{
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var19 = var11 + var8 - var11 * var8;
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}
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double var21 = 2.0D * var11 - var19;
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double var23 = var6 + 0.3333333333333333D;
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if (var23 > 1.0D)
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{
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--var23;
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}
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double var27 = var6 - 0.3333333333333333D;
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if (var27 < 0.0D)
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{
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++var27;
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}
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if (6.0D * var23 < 1.0D)
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{
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var13 = var21 + (var19 - var21) * 6.0D * var23;
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}
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else if (2.0D * var23 < 1.0D)
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{
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var13 = var19;
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}
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else if (3.0D * var23 < 2.0D)
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{
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var13 = var21 + (var19 - var21) * (0.6666666666666666D - var23) * 6.0D;
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}
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else
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{
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var13 = var21;
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}
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if (6.0D * var6 < 1.0D)
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{
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var15 = var21 + (var19 - var21) * 6.0D * var6;
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}
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else if (2.0D * var6 < 1.0D)
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{
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var15 = var19;
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}
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else if (3.0D * var6 < 2.0D)
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{
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var15 = var21 + (var19 - var21) * (0.6666666666666666D - var6) * 6.0D;
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}
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else
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{
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var15 = var21;
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}
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if (6.0D * var27 < 1.0D)
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{
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var17 = var21 + (var19 - var21) * 6.0D * var27;
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}
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else if (2.0D * var27 < 1.0D)
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{
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var17 = var19;
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}
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else if (3.0D * var27 < 2.0D)
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{
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var17 = var21 + (var19 - var21) * (0.6666666666666666D - var27) * 6.0D;
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}
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else
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{
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var17 = var21;
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}
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}
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int var29 = (int) (var13 * 256.0D);
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int var20 = (int) (var15 * 256.0D);
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int var30 = (int) (var17 * 256.0D);
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int var22 = var30 + (var20 << 8) + (var29 << 16);
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var22 = adjustForBrightness(var22, brightness);
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if (var22 == 0)
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{
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var22 = 1;
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}
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colorPalette[var4++] = var22;
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}
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}
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return colorPalette;
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}
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private static int adjustForBrightness(int rgb, double brightness)
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{
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double var3 = (double) (rgb >> 16) / 256.0D;
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double var5 = (double) (rgb >> 8 & 255) / 256.0D;
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double var7 = (double) (rgb & 255) / 256.0D;
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var3 = Math.pow(var3, brightness);
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var5 = Math.pow(var5, brightness);
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var7 = Math.pow(var7, brightness);
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int var9 = (int) (var3 * 256.0D);
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int var10 = (int) (var5 * 256.0D);
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int var11 = (int) (var7 * 256.0D);
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return var11 + (var10 << 8) + (var9 << 16);
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}
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@Test
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public void testHslToRgb()
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{
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for (double brightness : BRIGHTNESS_LEVELS)
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{
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int[] colorPalette = computeColorTable(brightness, 0, 512);
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for (int i = 0; i < 0xFFFF; i++)
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{
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int rgb = JagexColor.HSLtoRGB((short) i, brightness);
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int crgb = colorPalette[i];
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assertEquals("idx " + i + " brightness " + brightness, crgb, rgb);
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}
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}
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}
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}
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