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swhardenswharden
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bring old colormaps
1 parent f8e5a6d commit 0a4c7d9

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Lines changed: 1497 additions & 0 deletions

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‎src/Spectrogram/Colormaps/Cividis.cs‎

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Text;
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namespace Spectrogram.Colormaps
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{
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public class Cividis : IColormap
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{
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public string GetName()
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{
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return "Cividis"; // TODO: use reflection
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}
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public void Apply(Bitmap bmp)
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{
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ColorPalette pal = bmp.Palette;
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for (int i = 0; i < 256; i++)
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pal.Entries[i] = Color.FromArgb(255, RGB[i, 0], RGB[i, 1], RGB[i, 2]);
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bmp.Palette = pal;
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}
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public (byte r, byte g, byte b) Lookup(int value)
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{
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value = Math.Max(value, 0);
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value = Math.Min(value, 255);
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return (RGB[value, 0], RGB[value, 1], RGB[value, 2]);
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}
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// cividis
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public readonly byte[,] RGB =
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{
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{0, 34, 78},
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{0, 35, 79},
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{0, 36, 81},
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{0, 36, 82},
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{0, 37, 84},
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{0, 38, 86},
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{0, 39, 87},
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{0, 39, 89},
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{0, 40, 91},
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{0, 41, 93},
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{0, 41, 95},
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{0, 42, 96},
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{0, 43, 98},
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{0, 43, 100},
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{0, 44, 102},
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{0, 45, 104},
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{0, 45, 106},
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{0, 46, 107},
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{0, 47, 109},
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{0, 47, 111},
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{0, 48, 112},
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{0, 48, 112},
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{0, 49, 113},
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{0, 50, 113},
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{4, 50, 112},
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{8, 51, 112},
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{11, 52, 112},
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{14, 52, 112},
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{17, 53, 112},
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{20, 54, 112},
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{22, 55, 111},
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{24, 55, 111},
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{26, 56, 111},
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{28, 57, 111},
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{30, 57, 111},
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{31, 58, 110},
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{33, 59, 110},
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{35, 59, 110},
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{36, 60, 110},
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{38, 61, 110},
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{39, 62, 110},
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{40, 62, 109},
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{42, 63, 109},
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{43, 64, 109},
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{44, 64, 109},
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{46, 65, 109},
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{47, 66, 109},
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{48, 66, 109},
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{49, 67, 109},
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{51, 68, 108},
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{52, 69, 108},
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{53, 69, 108},
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{54, 70, 108},
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{55, 71, 108},
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{56, 71, 108},
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{58, 72, 108},
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{59, 73, 108},
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{60, 73, 108},
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{61, 74, 108},
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{62, 75, 108},
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{63, 76, 108},
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{64, 76, 108},
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{65, 77, 108},
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{66, 78, 108},
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{67, 78, 108},
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{68, 79, 108},
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{69, 80, 108},
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{70, 80, 108},
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{71, 81, 108},
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{72, 82, 108},
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{73, 82, 108},
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{74, 83, 108},
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{75, 84, 108},
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{76, 85, 108},
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{77, 85, 108},
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{78, 86, 108},
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{79, 87, 108},
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{80, 87, 108},
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{81, 88, 108},
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{82, 89, 109},
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{83, 89, 109},
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{83, 90, 109},
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{84, 91, 109},
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{85, 92, 109},
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{86, 92, 109},
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{87, 93, 109},
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{88, 94, 109},
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{89, 94, 109},
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{90, 95, 110},
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{91, 96, 110},
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{92, 96, 110},
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{93, 97, 110},
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{93, 98, 110},
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{94, 99, 110},
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{95, 99, 111},
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{96, 100, 111},
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{97, 101, 111},
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{98, 101, 111},
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{99, 102, 111},
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{100, 103, 112},
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{101, 103, 112},
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{101, 104, 112},
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{102, 105, 112},
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{103, 106, 113},
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{104, 106, 113},
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{105, 107, 113},
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{106, 108, 113},
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{107, 108, 114},
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{107, 109, 114},
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{108, 110, 114},
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{109, 111, 114},
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{110, 111, 115},
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{111, 112, 115},
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{112, 113, 115},
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{113, 114, 116},
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{113, 114, 116},
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{114, 115, 116},
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{115, 116, 117},
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{116, 116, 117},
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{117, 117, 117},
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{118, 118, 118},
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{119, 119, 118},
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{119, 119, 119},
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{120, 120, 119},
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{121, 121, 119},
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{122, 122, 120},
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{123, 122, 120},
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{124, 123, 120},
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{125, 124, 120},
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{126, 124, 120},
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{126, 125, 120},
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{127, 126, 120},
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{128, 127, 120},
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{129, 127, 120},
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{130, 128, 120},
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{131, 129, 120},
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{132, 130, 121},
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{133, 130, 120},
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{134, 131, 121},
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{135, 132, 120},
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{136, 133, 120},
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{137, 133, 120},
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{138, 134, 120},
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{139, 135, 120},
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{140, 136, 120},
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{141, 136, 120},
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{142, 137, 120},
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{143, 138, 120},
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{144, 139, 120},
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{145, 139, 120},
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{146, 140, 120},
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{147, 141, 120},
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{148, 142, 119},
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{149, 143, 119},
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{149, 143, 119},
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{150, 144, 119},
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{151, 145, 119},
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{152, 146, 119},
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{153, 146, 119},
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{154, 147, 118},
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{155, 148, 118},
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{156, 149, 118},
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{157, 149, 118},
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{158, 150, 118},
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{159, 151, 117},
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{160, 152, 117},
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{161, 153, 117},
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{162, 153, 117},
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{163, 154, 116},
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{164, 155, 116},
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{165, 156, 116},
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{166, 157, 116},
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{167, 157, 115},
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{168, 158, 115},
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{169, 159, 115},
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{171, 160, 115},
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{172, 161, 114},
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{173, 161, 114},
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{174, 162, 114},
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{175, 163, 113},
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{176, 164, 113},
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{177, 165, 113},
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{178, 165, 112},
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{179, 166, 112},
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{180, 167, 111},
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{181, 168, 111},
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{182, 169, 111},
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{183, 170, 110},
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{184, 170, 110},
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{185, 171, 109},
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{186, 172, 109},
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{187, 173, 108},
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{188, 174, 108},
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{189, 175, 108},
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{190, 175, 107},
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{191, 176, 107},
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{192, 177, 106},
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{193, 178, 106},
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{194, 179, 105},
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{195, 180, 105},
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{196, 181, 104},
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{198, 181, 104},
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{199, 182, 103},
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{200, 183, 102},
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{201, 184, 102},
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{202, 185, 101},
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{203, 186, 101},
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{204, 187, 100},
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{205, 187, 99},
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{206, 188, 99},
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{207, 189, 98},
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{208, 190, 97},
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{209, 191, 97},
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{210, 192, 96},
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{211, 193, 95},
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{213, 194, 95},
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{214, 194, 94},
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{215, 195, 93},
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{216, 196, 92},
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{217, 197, 92},
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{218, 198, 91},
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{219, 199, 90},
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{220, 200, 89},
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{221, 201, 88},
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{222, 202, 87},
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{224, 203, 86},
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{225, 203, 86},
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{226, 204, 85},
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{227, 205, 84},
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{228, 206, 83},
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{229, 207, 82},
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{230, 208, 81},
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{231, 209, 80},
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{232, 210, 79},
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{234, 211, 77},
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{235, 212, 76},
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{236, 213, 75},
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{237, 214, 74},
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{238, 215, 73},
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{239, 216, 71},
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{240, 216, 70},
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{242, 217, 69},
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{243, 218, 67},
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{244, 219, 66},
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{245, 220, 64},
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{246, 221, 63},
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{247, 222, 61},
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{249, 223, 60},
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{250, 224, 58},
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{251, 225, 56},
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{252, 226, 54},
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{254, 227, 52},
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{254, 228, 52},
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{254, 229, 53},
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{254, 231, 54},
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{254, 232, 55},
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};
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}
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}

‎src/Spectrogram/Colormaps/Grayscale.cs‎

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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Drawing.Imaging;
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using System.Text;
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namespace Spectrogram.Colormaps
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{
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public class Grayscale : IColormap
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{
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public void Apply(Bitmap bmp)
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{
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ColorPalette pal = bmp.Palette;
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for (int i = 0; i < 256; i++)
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pal.Entries[i] = Color.FromArgb(255, i, i, i);
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bmp.Palette = pal;
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}
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public string GetName()
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{
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return "Grayscale";
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}
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public (byte r, byte g, byte b) Lookup(int value)
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{
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return ((byte)value, (byte)value, (byte)value);
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}
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}
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}

‎src/Spectrogram/Colormaps/IColormap.cs‎

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namespace Spectrogram.Colormaps
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{
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public interface IColormap
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{
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string GetName();
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void Apply(System.Drawing.Bitmap bmp);
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(byte r, byte g, byte b) Lookup(int value);
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}
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}

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