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Merge pull request #9131 from robloo/material-color-palette 

Add MaterialColorPalette for the ColorPicker
pull/9141/head
Max Katz 4 years ago
committed by GitHub
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16f3c5c0f5 08cb65f45e
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  1. 359
      src/Avalonia.Controls.ColorPicker/ColorPalettes/MaterialColorPalette.cs

359
src/Avalonia.Controls.ColorPicker/ColorPalettes/MaterialColorPalette.cs
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using Avalonia.Media;
using Avalonia.Utilities;
namespace Avalonia.Controls
{
/// <summary>
/// Implements a reduced version of the 2014 Material Design color palette.
/// </summary>
/// <remarks>
/// This palette is based on the one outlined here:
///
/// https://material.io/design/color/the-color-system.html#tools-for-picking-colors
///
/// In order to make the palette uniform and rectangular the following
/// alterations were made:
///
/// 1. The A100-A700 shades of each color are excluded.
/// These shades do not exist for all colors (brown/gray).
/// 2. Black/White are stand-alone and are also excluded.
///
/// </remarks>
public class MaterialColorPalette : IColorPalette
{
// See: https://material.io/design/color/the-color-system.html#tools-for-picking-colors
// This is a reduced palette for uniformity
private static Color[,]? _colorChart = null;
private static int _colorChartColorCount = 0;
private static int _colorChartShadeCount = 0;
private static object _colorChartMutex = new object();
/// <summary>
/// Initializes all color chart colors.
/// </summary>
/// <remarks>
/// This is pulled out separately to lazy load for performance.
/// If no material color palette is ever used, no colors will be created.
/// </remarks>
private void InitColorChart()
{
lock (_colorChartMutex)
{
_colorChart = new Color[,]
{
// Red
{
Color.FromArgb(0xFF, 0xFF, 0xEB, 0xEE),
Color.FromArgb(0xFF, 0xFF, 0xCD, 0xD2),
Color.FromArgb(0xFF, 0xEF, 0x9A, 0x9A),
Color.FromArgb(0xFF, 0xE5, 0x73, 0x73),
Color.FromArgb(0xFF, 0xEF, 0x53, 0x50),
Color.FromArgb(0xFF, 0xF4, 0x43, 0x36),
Color.FromArgb(0xFF, 0xE5, 0x39, 0x35),
Color.FromArgb(0xFF, 0xD3, 0x2F, 0x2F),
Color.FromArgb(0xFF, 0xC6, 0x28, 0x28),
Color.FromArgb(0xFF, 0xB7, 0x1C, 0x1C),
},
// Pink
{
Color.FromArgb(0xFF, 0xFC, 0xE4, 0xEC),
Color.FromArgb(0xFF, 0xF8, 0xBB, 0xD0),
Color.FromArgb(0xFF, 0xF4, 0x8F, 0xB1),
Color.FromArgb(0xFF, 0xF0, 0x62, 0x92),
Color.FromArgb(0xFF, 0xEC, 0x40, 0x7A),
Color.FromArgb(0xFF, 0xE9, 0x1E, 0x63),
Color.FromArgb(0xFF, 0xD8, 0x1B, 0x60),
Color.FromArgb(0xFF, 0xC2, 0x18, 0x5B),
Color.FromArgb(0xFF, 0xAD, 0x14, 0x57),
Color.FromArgb(0xFF, 0x88, 0x0E, 0x4F),
},
// Purple
{
Color.FromArgb(0xFF, 0xF3, 0xE5, 0xF5),
Color.FromArgb(0xFF, 0xE1, 0xBE, 0xE7),
Color.FromArgb(0xFF, 0xCE, 0x93, 0xD8),
Color.FromArgb(0xFF, 0xBA, 0x68, 0xC8),
Color.FromArgb(0xFF, 0xAB, 0x47, 0xBC),
Color.FromArgb(0xFF, 0x9C, 0x27, 0xB0),
Color.FromArgb(0xFF, 0x8E, 0x24, 0xAA),
Color.FromArgb(0xFF, 0x7B, 0x1F, 0xA2),
Color.FromArgb(0xFF, 0x6A, 0x1B, 0x9A),
Color.FromArgb(0xFF, 0x4A, 0x14, 0x8C),
},
// Deep Purple
{
Color.FromArgb(0xFF, 0xED, 0xE7, 0xF6),
Color.FromArgb(0xFF, 0xD1, 0xC4, 0xE9),
Color.FromArgb(0xFF, 0xB3, 0x9D, 0xDB),
Color.FromArgb(0xFF, 0x95, 0x75, 0xCD),
Color.FromArgb(0xFF, 0x7E, 0x57, 0xC2),
Color.FromArgb(0xFF, 0x67, 0x3A, 0xB7),
Color.FromArgb(0xFF, 0x5E, 0x35, 0xB1),
Color.FromArgb(0xFF, 0x51, 0x2D, 0xA8),
Color.FromArgb(0xFF, 0x45, 0x27, 0xA0),
Color.FromArgb(0xFF, 0x31, 0x1B, 0x92),
},
// Indigo
{
Color.FromArgb(0xFF, 0xE8, 0xEA, 0xF6),
Color.FromArgb(0xFF, 0xC5, 0xCA, 0xE9),
Color.FromArgb(0xFF, 0x9F, 0xA8, 0xDA),
Color.FromArgb(0xFF, 0x79, 0x86, 0xCB),
Color.FromArgb(0xFF, 0x5C, 0x6B, 0xC0),
Color.FromArgb(0xFF, 0x3F, 0x51, 0xB5),
Color.FromArgb(0xFF, 0x39, 0x49, 0xAB),
Color.FromArgb(0xFF, 0x30, 0x3F, 0x9F),
Color.FromArgb(0xFF, 0x28, 0x35, 0x93),
Color.FromArgb(0xFF, 0x1A, 0x23, 0x7E),
},
// Blue
{
Color.FromArgb(0xFF, 0xE3, 0xF2, 0xFD),
Color.FromArgb(0xFF, 0xBB, 0xDE, 0xFB),
Color.FromArgb(0xFF, 0x90, 0xCA, 0xF9),
Color.FromArgb(0xFF, 0x64, 0xB5, 0xF6),
Color.FromArgb(0xFF, 0x42, 0xA5, 0xF5),
Color.FromArgb(0xFF, 0x21, 0x96, 0xF3),
Color.FromArgb(0xFF, 0x1E, 0x88, 0xE5),
Color.FromArgb(0xFF, 0x19, 0x76, 0xD2),
Color.FromArgb(0xFF, 0x15, 0x65, 0xC0),
Color.FromArgb(0xFF, 0x0D, 0x47, 0xA1),
},
// Light Blue
{
Color.FromArgb(0xFF, 0xE1, 0xF5, 0xFE),
Color.FromArgb(0xFF, 0xB3, 0xE5, 0xFC),
Color.FromArgb(0xFF, 0x81, 0xD4, 0xFA),
Color.FromArgb(0xFF, 0x4F, 0xC3, 0xF7),
Color.FromArgb(0xFF, 0x29, 0xB6, 0xF6),
Color.FromArgb(0xFF, 0x03, 0xA9, 0xF4),
Color.FromArgb(0xFF, 0x03, 0x9B, 0xE5),
Color.FromArgb(0xFF, 0x02, 0x88, 0xD1),
Color.FromArgb(0xFF, 0x02, 0x77, 0xBD),
Color.FromArgb(0xFF, 0x01, 0x57, 0x9B),
},
// Cyan
{
Color.FromArgb(0xFF, 0xE0, 0xF7, 0xFA),
Color.FromArgb(0xFF, 0xB2, 0xEB, 0xF2),
Color.FromArgb(0xFF, 0x80, 0xDE, 0xEA),
Color.FromArgb(0xFF, 0x4D, 0xD0, 0xE1),
Color.FromArgb(0xFF, 0x26, 0xC6, 0xDA),
Color.FromArgb(0xFF, 0x00, 0xBC, 0xD4),
Color.FromArgb(0xFF, 0x00, 0xAC, 0xC1),
Color.FromArgb(0xFF, 0x00, 0x97, 0xA7),
Color.FromArgb(0xFF, 0x00, 0x83, 0x8F),
Color.FromArgb(0xFF, 0x00, 0x60, 0x64),
},
// Teal
{
Color.FromArgb(0xFF, 0xE0, 0xF2, 0xF1),
Color.FromArgb(0xFF, 0xB2, 0xDF, 0xDB),
Color.FromArgb(0xFF, 0x80, 0xCB, 0xC4),
Color.FromArgb(0xFF, 0x4D, 0xB6, 0xAC),
Color.FromArgb(0xFF, 0x26, 0xA6, 0x9A),
Color.FromArgb(0xFF, 0x00, 0x96, 0x88),
Color.FromArgb(0xFF, 0x00, 0x89, 0x7B),
Color.FromArgb(0xFF, 0x00, 0x79, 0x6B),
Color.FromArgb(0xFF, 0x00, 0x69, 0x5C),
Color.FromArgb(0xFF, 0x00, 0x4D, 0x40),
},
// Green
{
Color.FromArgb(0xFF, 0xE8, 0xF5, 0xE9),
Color.FromArgb(0xFF, 0xC8, 0xE6, 0xC9),
Color.FromArgb(0xFF, 0xA5, 0xD6, 0xA7),
Color.FromArgb(0xFF, 0x81, 0xC7, 0x84),
Color.FromArgb(0xFF, 0x66, 0xBB, 0x6A),
Color.FromArgb(0xFF, 0x4C, 0xAF, 0x50),
Color.FromArgb(0xFF, 0x43, 0xA0, 0x47),
Color.FromArgb(0xFF, 0x38, 0x8E, 0x3C),
Color.FromArgb(0xFF, 0x2E, 0x7D, 0x32),
Color.FromArgb(0xFF, 0x1B, 0x5E, 0x20),
},
// Light Green
{
Color.FromArgb(0xFF, 0xF1, 0xF8, 0xE9),
Color.FromArgb(0xFF, 0xDC, 0xED, 0xC8),
Color.FromArgb(0xFF, 0xC5, 0xE1, 0xA5),
Color.FromArgb(0xFF, 0xAE, 0xD5, 0x81),
Color.FromArgb(0xFF, 0x9C, 0xCC, 0x65),
Color.FromArgb(0xFF, 0x8B, 0xC3, 0x4A),
Color.FromArgb(0xFF, 0x7C, 0xB3, 0x42),
Color.FromArgb(0xFF, 0x68, 0x9F, 0x38),
Color.FromArgb(0xFF, 0x55, 0x8B, 0x2F),
Color.FromArgb(0xFF, 0x33, 0x69, 0x1E),
},
// Lime
{
Color.FromArgb(0xFF, 0xF9, 0xFB, 0xE7),
Color.FromArgb(0xFF, 0xF0, 0xF4, 0xC3),
Color.FromArgb(0xFF, 0xE6, 0xEE, 0x9C),
Color.FromArgb(0xFF, 0xDC, 0xE7, 0x75),
Color.FromArgb(0xFF, 0xD4, 0xE1, 0x57),
Color.FromArgb(0xFF, 0xCD, 0xDC, 0x39),
Color.FromArgb(0xFF, 0xC0, 0xCA, 0x33),
Color.FromArgb(0xFF, 0xAF, 0xB4, 0x2B),
Color.FromArgb(0xFF, 0x9E, 0x9D, 0x24),
Color.FromArgb(0xFF, 0x82, 0x77, 0x17),
},
// Yellow
{
Color.FromArgb(0xFF, 0xFF, 0xFD, 0xE7),
Color.FromArgb(0xFF, 0xFF, 0xF9, 0xC4),
Color.FromArgb(0xFF, 0xFF, 0xF5, 0x9D),
Color.FromArgb(0xFF, 0xFF, 0xF1, 0x76),
Color.FromArgb(0xFF, 0xFF, 0xEE, 0x58),
Color.FromArgb(0xFF, 0xFF, 0xEB, 0x3B),
Color.FromArgb(0xFF, 0xFD, 0xD8, 0x35),
Color.FromArgb(0xFF, 0xFB, 0xC0, 0x2D),
Color.FromArgb(0xFF, 0xF9, 0xA8, 0x25),
Color.FromArgb(0xFF, 0xF5, 0x7F, 0x17),
},
// Amber
{
Color.FromArgb(0xFF, 0xFF, 0xF8, 0xE1),
Color.FromArgb(0xFF, 0xFF, 0xEC, 0xB3),
Color.FromArgb(0xFF, 0xFF, 0xE0, 0x82),
Color.FromArgb(0xFF, 0xFF, 0xD5, 0x4F),
Color.FromArgb(0xFF, 0xFF, 0xCA, 0x28),
Color.FromArgb(0xFF, 0xFF, 0xC1, 0x07),
Color.FromArgb(0xFF, 0xFF, 0xB3, 0x00),
Color.FromArgb(0xFF, 0xFF, 0xA0, 0x00),
Color.FromArgb(0xFF, 0xFF, 0x8F, 0x00),
Color.FromArgb(0xFF, 0xFF, 0x6F, 0x00),
},
// Orange
{
Color.FromArgb(0xFF, 0xFF, 0xF3, 0xE0),
Color.FromArgb(0xFF, 0xFF, 0xE0, 0xB2),
Color.FromArgb(0xFF, 0xFF, 0xCC, 0x80),
Color.FromArgb(0xFF, 0xFF, 0xB7, 0x4D),
Color.FromArgb(0xFF, 0xFF, 0xA7, 0x26),
Color.FromArgb(0xFF, 0xFF, 0x98, 0x00),
Color.FromArgb(0xFF, 0xFB, 0x8C, 0x00),
Color.FromArgb(0xFF, 0xF5, 0x7C, 0x00),
Color.FromArgb(0xFF, 0xEF, 0x6C, 0x00),
Color.FromArgb(0xFF, 0xE6, 0x51, 0x00),
},
// Deep Orange
{
Color.FromArgb(0xFF, 0xFB, 0xE9, 0xE7),
Color.FromArgb(0xFF, 0xFF, 0xCC, 0xBC),
Color.FromArgb(0xFF, 0xFF, 0xAB, 0x91),
Color.FromArgb(0xFF, 0xFF, 0x8A, 0x65),
Color.FromArgb(0xFF, 0xFF, 0x70, 0x43),
Color.FromArgb(0xFF, 0xFF, 0x57, 0x22),
Color.FromArgb(0xFF, 0xF4, 0x51, 0x1E),
Color.FromArgb(0xFF, 0xE6, 0x4A, 0x19),
Color.FromArgb(0xFF, 0xD8, 0x43, 0x15),
Color.FromArgb(0xFF, 0xBF, 0x36, 0x0C),
},
// Brown
{
Color.FromArgb(0xFF, 0xEF, 0xEB, 0xE9),
Color.FromArgb(0xFF, 0xD7, 0xCC, 0xC8),
Color.FromArgb(0xFF, 0xBC, 0xAA, 0xA4),
Color.FromArgb(0xFF, 0xA1, 0x88, 0x7F),
Color.FromArgb(0xFF, 0x8D, 0x6E, 0x63),
Color.FromArgb(0xFF, 0x79, 0x55, 0x48),
Color.FromArgb(0xFF, 0x6D, 0x4C, 0x41),
Color.FromArgb(0xFF, 0x5D, 0x40, 0x37),
Color.FromArgb(0xFF, 0x4E, 0x34, 0x2E),
Color.FromArgb(0xFF, 0x3E, 0x27, 0x23),
},
// Gray
{
Color.FromArgb(0xFF, 0xFA, 0xFA, 0xFA),
Color.FromArgb(0xFF, 0xF5, 0xF5, 0xF5),
Color.FromArgb(0xFF, 0xEE, 0xEE, 0xEE),
Color.FromArgb(0xFF, 0xE0, 0xE0, 0xE0),
Color.FromArgb(0xFF, 0xBD, 0xBD, 0xBD),
Color.FromArgb(0xFF, 0x9E, 0x9E, 0x9E),
Color.FromArgb(0xFF, 0x75, 0x75, 0x75),
Color.FromArgb(0xFF, 0x61, 0x61, 0x61),
Color.FromArgb(0xFF, 0x42, 0x42, 0x42),
Color.FromArgb(0xFF, 0x21, 0x21, 0x21),
},
// Blue Gray
{
Color.FromArgb(0xFF, 0xEC, 0xEF, 0xF1),
Color.FromArgb(0xFF, 0xCF, 0xD8, 0xDC),
Color.FromArgb(0xFF, 0xB0, 0xBE, 0xC5),
Color.FromArgb(0xFF, 0x90, 0xA4, 0xAE),
Color.FromArgb(0xFF, 0x78, 0x90, 0x9C),
Color.FromArgb(0xFF, 0x60, 0x7D, 0x8B),
Color.FromArgb(0xFF, 0x54, 0x6E, 0x7A),
Color.FromArgb(0xFF, 0x45, 0x5A, 0x64),
Color.FromArgb(0xFF, 0x37, 0x47, 0x4F),
Color.FromArgb(0xFF, 0x26, 0x32, 0x38),
},
};
_colorChartColorCount = _colorChart.GetLength(0);
_colorChartShadeCount = _colorChart.GetLength(1);
}
return;
}
/// <inheritdoc/>
public int ColorCount
{
get
{
if (_colorChart == null)
{
InitColorChart();
}
return _colorChartColorCount;
}
}
/// <inheritdoc/>
public int ShadeCount
{
get
{
if (_colorChart == null)
{
InitColorChart();
}
return _colorChartShadeCount;
}
}
/// <inheritdoc/>
public Color GetColor(int colorIndex, int shadeIndex)
{
if (_colorChart == null)
{
InitColorChart();
}
return _colorChart![
MathUtilities.Clamp(colorIndex, 0, _colorChartColorCount - 1),
MathUtilities.Clamp(shadeIndex, 0, _colorChartShadeCount - 1)];
}
}
}
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