feat: Add Dark/Light color palette.

demo/Semi.Avalonia.Demo/Pages/ColorPickerDemo.axaml

@@ -2,6 +2,7 @@
     x:Class="Semi.Avalonia.Demo.Pages.ColorPickerDemo"
     xmlns="https://github.com/avaloniaui"
     xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:colorPicker="clr-namespace:Semi.Avalonia.ColorPicker;assembly=Semi.Avalonia.ColorPicker"
     xmlns:controls="using:Avalonia.Controls"
     xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
     xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
@@ -15,11 +16,7 @@
             Spacing="20">
             <ColorView ColorSpectrumShape="Ring" />
             <ColorView ColorSpectrumShape="Box" />
-            <ColorView>
-                <ColorView.Palette>
-                    <controls:MaterialColorPalette />
-                </ColorView.Palette>
-            </ColorView>
+            <ColorView Palette="{DynamicResource SemiColorPalette}" />
         </StackPanel>
         <StackPanel HorizontalAlignment="Left" Orientation="Horizontal">
             <ColorPicker ColorSpectrumShape="Ring">
@@ -29,7 +26,7 @@
             </ColorPicker>
             <ColorPicker ColorSpectrumShape="Box">
                 <ColorPicker.Palette>
-                    <controls:MaterialColorPalette />
+                    <colorPicker:SemiColorLightPalette />
                 </ColorPicker.Palette>
             </ColorPicker>
         </StackPanel>

src/Semi.Avalonia.ColorPicker/Dark.axaml

@@ -1,4 +1,7 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:colorPicker="clr-namespace:Semi.Avalonia.ColorPicker">
     <!--  Add Resources Here  -->
     <SolidColorBrush x:Key="ColorViewRadioButtonForeground" Color="#54A9FF" />
     <SolidColorBrush x:Key="ColorViewRadioButtonBackground" Color="#1C1F23" />
@@ -40,4 +43,6 @@
     <CornerRadius x:Key="ColorPreviewerCornerRadius">3</CornerRadius>
 
     <BoxShadows x:Key="ColorPreviewerMainBoxShadow">0 0 14 0 #1AFFFFFF</BoxShadows>
+
+    <colorPicker:SemiColorDarkPalette x:Key="SemiColorPalette" />
 </ResourceDictionary>

src/Semi.Avalonia.ColorPicker/Light.axaml

@@ -1,4 +1,7 @@
-<ResourceDictionary xmlns="https://github.com/avaloniaui" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
+<ResourceDictionary
+    xmlns="https://github.com/avaloniaui"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:colorPicker="clr-namespace:Semi.Avalonia.ColorPicker">
     <!--  Add Resources Here  -->
     <SolidColorBrush x:Key="ColorViewRadioButtonForeground" Color="#0077FA" />
     <SolidColorBrush x:Key="ColorViewRadioButtonBackground" Color="White" />
@@ -40,4 +43,5 @@
     <CornerRadius x:Key="ColorPreviewerCornerRadius">3</CornerRadius>
 
     <BoxShadows x:Key="ColorPreviewerMainBoxShadow">0 0 14 0 #1A000000</BoxShadows>
+    <colorPicker:SemiColorLightPalette x:Key="SemiColorPalette" />
 </ResourceDictionary>

src/Semi.Avalonia.ColorPicker/SemiColorDarkPalette.cs

@@ -0,0 +1,29 @@
+using Avalonia.Controls;
+using Avalonia.Media;
+using Avalonia.Utilities;
+
+namespace Semi.Avalonia.ColorPicker;
+
+public class SemiColorDarkPalette: IColorPalette
+{
+    private static readonly Color[,] Colors = new Color[,]
+    {
+        {
+            Color.FromUInt32(0xFF6C090B),
+        },
+        {
+            Color.FromUInt32(0xFF6C090B),
+        }
+    };
+    public Color GetColor(int colorIndex, int shadeIndex)
+    {
+        return Colors[
+            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
+            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+        ];
+    }
+
+    public int ColorCount => Colors.GetLength(0);
+
+    public int ShadeCount => Colors.GetLength(1);
+}

src/Semi.Avalonia.ColorPicker/SemiColorLightPalette.cs

@@ -0,0 +1,29 @@
+using Avalonia.Controls;
+using Avalonia.Media;
+using Avalonia.Utilities;
+
+namespace Semi.Avalonia.ColorPicker;
+
+public class SemiColorLightPalette: IColorPalette
+{
+    private static readonly Color[,] Colors = new Color[,]
+    {
+        {
+            Color.FromUInt32(0xFFFEF2ED),
+        },
+        {
+            Color.FromUInt32(0xFFFEF2ED),
+        }
+    };
+    public Color GetColor(int colorIndex, int shadeIndex)
+    {
+        return Colors[
+            MathUtilities.Clamp(colorIndex, 0, ColorCount - 1),
+            MathUtilities.Clamp(shadeIndex, 0, ShadeCount - 1)
+        ];
+    }
+
+    public int ColorCount => Colors.GetLength(0);
+
+    public int ShadeCount => Colors.GetLength(1);
+}