多项功能优化
This commit is contained in:
GG Z
406
Wpf.Ui.Extend/Controls/ColorPickerControl.xaml.cs
Normal file
406
Wpf.Ui.Extend/Controls/ColorPickerControl.xaml.cs
Normal file
@@ -0,0 +1,406 @@
|
||||
// Copyright (c) Microsoft Corporation
|
||||
// The Microsoft Corporation licenses this file to you under the MIT license.
|
||||
// See the LICENSE file in the project root for more information.
|
||||
|
||||
using System;
|
||||
using System.Text.RegularExpressions;
|
||||
using System.Windows;
|
||||
using System.Windows.Controls;
|
||||
using System.Windows.Input;
|
||||
using System.Windows.Media;
|
||||
using System.Windows.Media.Animation;
|
||||
using Wpf.Ui.Controls;
|
||||
using Wpf.Ui.Extend.Controls;
|
||||
|
||||
using Color = System.Windows.Media.Color;
|
||||
using Point = System.Windows.Point;
|
||||
using TextBox = System.Windows.Controls.TextBox;
|
||||
|
||||
namespace Wpf.Ui.Extend.Controls;
|
||||
|
||||
public sealed partial class ColorPickerControl
|
||||
{
|
||||
private double _currH = 360;
|
||||
private double _currS = 1;
|
||||
private double _currV = 1;
|
||||
private bool _ignoreHexChanges;
|
||||
private bool _ignoreRgbChanges;
|
||||
private bool _ignoreGradientsChanges;
|
||||
private bool _isCollapsed = true;
|
||||
private Color _originalColor;
|
||||
private Color _currentColor;
|
||||
|
||||
public static readonly DependencyProperty SelectedColorProperty = DependencyProperty.Register(nameof(SelectedColor),
|
||||
typeof(Color),
|
||||
typeof(ColorPickerControl),
|
||||
new FrameworkPropertyMetadata(Color.FromArgb(0, 0, 0, 0), FrameworkPropertyMetadataOptions.BindsTwoWayByDefault, SelectedColorPropertyChanged));
|
||||
|
||||
public ColorPickerControl()
|
||||
{
|
||||
InitializeComponent();
|
||||
UpdateHueGradient(1, 1);
|
||||
}
|
||||
|
||||
public Color SelectedColor
|
||||
{
|
||||
get => (Color) GetValue(SelectedColorProperty);
|
||||
set => SetValue(SelectedColorProperty, value);
|
||||
}
|
||||
|
||||
private static void SelectedColorPropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs e)
|
||||
{
|
||||
var control = (ColorPickerControl) dependencyObject;
|
||||
var newColor = (Color) e.NewValue;
|
||||
|
||||
control._originalColor = control._currentColor = newColor;
|
||||
var newColorBackground = new SolidColorBrush(newColor);
|
||||
control.CurrentColorButton.Background = newColorBackground;
|
||||
|
||||
control._ignoreHexChanges = true;
|
||||
control._ignoreRgbChanges = true;
|
||||
|
||||
control.HexCode.Text = ColorToHex(newColor);
|
||||
control.RNumberBox.Value = newColor.R;
|
||||
control.GNumberBox.Value = newColor.G;
|
||||
control.BNumberBox.Value = newColor.B;
|
||||
control.SetColorFromTextBoxes(System.Drawing.Color.FromArgb(newColor.R, newColor.G, newColor.B));
|
||||
|
||||
control._ignoreRgbChanges = false;
|
||||
control._ignoreHexChanges = false;
|
||||
|
||||
var hsv = ColorFormatUtils.ConvertToHsvColor(System.Drawing.Color.FromArgb(newColor.R, newColor.G, newColor.B));
|
||||
SetColorVariationsForCurrentColor(dependencyObject, hsv);
|
||||
}
|
||||
|
||||
private void UpdateHueGradient(double saturation, double value)
|
||||
{
|
||||
var g6 = HsvColor.HueSpectrum(saturation, value);
|
||||
|
||||
var gradientBrush = new LinearGradientBrush
|
||||
{
|
||||
StartPoint = new Point(0, 0),
|
||||
EndPoint = new Point(1, 0)
|
||||
};
|
||||
|
||||
for (var i = 0; i < g6.Length; i++)
|
||||
{
|
||||
var stop = new GradientStop(g6[i], i * 0.16);
|
||||
gradientBrush.GradientStops.Add(stop);
|
||||
}
|
||||
|
||||
HueGradientSlider.Background = gradientBrush;
|
||||
}
|
||||
|
||||
private static void SetColorVariationsForCurrentColor(DependencyObject d, (double Hue, double Saturation, double Value) hsv)
|
||||
{
|
||||
var hueCoefficient = 0;
|
||||
var hueCoefficient2 = 0;
|
||||
if (1 - hsv.Value < 0.15)
|
||||
{
|
||||
hueCoefficient = 1;
|
||||
}
|
||||
|
||||
if (hsv.Value - 0.3 < 0)
|
||||
{
|
||||
hueCoefficient2 = 1;
|
||||
}
|
||||
|
||||
var s = hsv.Saturation;
|
||||
var control = (ColorPickerControl) d;
|
||||
|
||||
control.ColorVariation1Button.Background = new SolidColorBrush(HsvColor.RgbFromHsv(Math.Min(hsv.Hue + (hueCoefficient * 8), 360), s, Math.Min(hsv.Value + 0.3, 1)));
|
||||
control.ColorVariation2Button.Background = new SolidColorBrush(HsvColor.RgbFromHsv(Math.Min(hsv.Hue + (hueCoefficient * 4), 360), s, Math.Min(hsv.Value + 0.15, 1)));
|
||||
|
||||
control.ColorVariation3Button.Background = new SolidColorBrush(HsvColor.RgbFromHsv(Math.Max(hsv.Hue - (hueCoefficient2 * 4), 0), s, Math.Max(hsv.Value - 0.2, 0)));
|
||||
control.ColorVariation4Button.Background = new SolidColorBrush(HsvColor.RgbFromHsv(Math.Max(hsv.Hue - (hueCoefficient2 * 8), 0), s, Math.Max(hsv.Value - 0.3, 0)));
|
||||
}
|
||||
|
||||
private void UpdateValueColorGradient(double posX)
|
||||
{
|
||||
ValueGradientSlider.Value = posX;
|
||||
|
||||
_currV = posX / ValueGradientSlider.Maximum;
|
||||
|
||||
UpdateHueGradient(_currS, _currV);
|
||||
|
||||
SaturationStartColor.Color = HsvColor.RgbFromHsv(_currH, 0f, _currV);
|
||||
SaturationStopColor.Color = HsvColor.RgbFromHsv(_currH, 1f, _currV);
|
||||
}
|
||||
|
||||
private void UpdateSaturationColorGradient(double posX)
|
||||
{
|
||||
SaturationGradientSlider.Value = posX;
|
||||
|
||||
_currS = posX / HueGradientSlider.Maximum;
|
||||
|
||||
UpdateHueGradient(_currS, _currV);
|
||||
|
||||
ValueStartColor.Color = HsvColor.RgbFromHsv(_currH, _currS, 0f);
|
||||
ValueStopColor.Color = HsvColor.RgbFromHsv(_currH, _currS, 1f);
|
||||
}
|
||||
|
||||
private void UpdateHueColorGradient(double posX)
|
||||
{
|
||||
HueGradientSlider.Value = posX;
|
||||
_currH = posX / HueGradientSlider.Maximum * 360;
|
||||
|
||||
SaturationStartColor.Color = HsvColor.RgbFromHsv(_currH, 0f, _currV);
|
||||
SaturationStopColor.Color = HsvColor.RgbFromHsv(_currH, 1f, _currV);
|
||||
|
||||
ValueStartColor.Color = HsvColor.RgbFromHsv(_currH, _currS, 0f);
|
||||
ValueStopColor.Color = HsvColor.RgbFromHsv(_currH, _currS, 1f);
|
||||
}
|
||||
|
||||
private void UpdateTextBoxesAndCurrentColor(Color currentColor)
|
||||
{
|
||||
if (!_ignoreHexChanges)
|
||||
{
|
||||
// Second parameter is set to keep the hashtag if typed by the user before
|
||||
HexCode.Text = ColorToHex(currentColor, HexCode.Text);
|
||||
}
|
||||
|
||||
if (!_ignoreRgbChanges)
|
||||
{
|
||||
RNumberBox.Value = currentColor.R;
|
||||
GNumberBox.Value = currentColor.G;
|
||||
BNumberBox.Value = currentColor.B;
|
||||
}
|
||||
|
||||
_currentColor = currentColor;
|
||||
CurrentColorButton.Background = new SolidColorBrush(currentColor);
|
||||
}
|
||||
|
||||
private void OnCurrentColorButtonClicked(object sender, RoutedEventArgs e)
|
||||
{
|
||||
ShowDetails();
|
||||
}
|
||||
|
||||
private void ShowDetails()
|
||||
{
|
||||
if (_isCollapsed)
|
||||
{
|
||||
_isCollapsed = false;
|
||||
|
||||
var resizeColor = new DoubleAnimation(256, new Duration(TimeSpan.FromMilliseconds(250)))
|
||||
{
|
||||
EasingFunction = new ExponentialEase {EasingMode = EasingMode.EaseInOut}
|
||||
};
|
||||
|
||||
var moveColor = new ThicknessAnimation(new Thickness(0), new Duration(TimeSpan.FromMilliseconds(250)))
|
||||
{
|
||||
EasingFunction = new ExponentialEase {EasingMode = EasingMode.EaseInOut}
|
||||
};
|
||||
|
||||
CurrentColorButton.BeginAnimation(WidthProperty, resizeColor);
|
||||
CurrentColorButton.BeginAnimation(MarginProperty, moveColor);
|
||||
CurrentColorButton.IsEnabled = false;
|
||||
DetailsFlyout.IsOpen = true;
|
||||
}
|
||||
}
|
||||
|
||||
private void HideDetails()
|
||||
{
|
||||
if (_isCollapsed) return;
|
||||
|
||||
_isCollapsed = true;
|
||||
|
||||
var resizeColor = new DoubleAnimation(165, new Duration(TimeSpan.FromMilliseconds(150)))
|
||||
{
|
||||
EasingFunction = new ExponentialEase {EasingMode = EasingMode.EaseInOut}
|
||||
};
|
||||
|
||||
var moveColor = new ThicknessAnimation(new Thickness(72, 0, 72, 0), new Duration(TimeSpan.FromMilliseconds(150)))
|
||||
{
|
||||
EasingFunction = new ExponentialEase {EasingMode = EasingMode.EaseInOut}
|
||||
};
|
||||
|
||||
CurrentColorButton.BeginAnimation(WidthProperty, resizeColor);
|
||||
CurrentColorButton.BeginAnimation(MarginProperty, moveColor);
|
||||
CurrentColorButton.IsEnabled = true;
|
||||
}
|
||||
|
||||
private void OnOkButtonClicked(object sender, RoutedEventArgs e)
|
||||
{
|
||||
SelectedColor = _currentColor;
|
||||
DetailsFlyout.Hide();
|
||||
}
|
||||
|
||||
private void OnDetailsFlyoutClosed(object sender, object e)
|
||||
{
|
||||
HideDetails();
|
||||
|
||||
// Revert to original color
|
||||
var originalColorBackground = new SolidColorBrush(_originalColor);
|
||||
CurrentColorButton.Background = originalColorBackground;
|
||||
|
||||
HexCode.Text = ColorToHex(_originalColor);
|
||||
}
|
||||
|
||||
private void OnColorVariationButtonClicked(object sender, RoutedEventArgs e)
|
||||
{
|
||||
var selectedColor = ((SolidColorBrush) ((System.Windows.Controls.Button) sender).Background).Color;
|
||||
SelectedColor = selectedColor;
|
||||
}
|
||||
|
||||
private void OnSaturationGradientSliderValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
|
||||
{
|
||||
UpdateSaturationColorGradient(((Slider) sender).Value);
|
||||
_ignoreGradientsChanges = true;
|
||||
UpdateTextBoxesAndCurrentColor(HsvColor.RgbFromHsv(_currH, _currS, _currV));
|
||||
_ignoreGradientsChanges = false;
|
||||
}
|
||||
|
||||
private void OnHueGradientSliderValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
|
||||
{
|
||||
UpdateHueColorGradient(((Slider) sender).Value);
|
||||
_ignoreGradientsChanges = true;
|
||||
UpdateTextBoxesAndCurrentColor(HsvColor.RgbFromHsv(_currH, _currS, _currV));
|
||||
_ignoreGradientsChanges = false;
|
||||
}
|
||||
|
||||
private void OnValueGradientSliderValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
|
||||
{
|
||||
UpdateValueColorGradient(((Slider) sender).Value);
|
||||
_ignoreGradientsChanges = true;
|
||||
UpdateTextBoxesAndCurrentColor(HsvColor.RgbFromHsv(_currH, _currS, _currV));
|
||||
_ignoreGradientsChanges = false;
|
||||
}
|
||||
|
||||
private void OnHexCodeTextChanged(object sender, TextChangedEventArgs e)
|
||||
{
|
||||
var newValue = ((TextBox) sender).Text;
|
||||
|
||||
// support hex with 3 and 6 characters and optional with hashtag
|
||||
var reg = new Regex("^#?([0-9A-Fa-f]{3}){1,2}$");
|
||||
|
||||
if (!reg.IsMatch(newValue))
|
||||
{
|
||||
return;
|
||||
}
|
||||
|
||||
if (_ignoreHexChanges) return;
|
||||
|
||||
var converter = new System.Drawing.ColorConverter();
|
||||
|
||||
// "FormatHexColorString()" is needed to add hashtag if missing and to convert the hex code from three to six characters. Without this we get format exceptions and incorrect color values.
|
||||
var color = (System.Drawing.Color) converter.ConvertFromString(FormatHexColorString(HexCode.Text))!;
|
||||
|
||||
_ignoreHexChanges = true;
|
||||
SetColorFromTextBoxes(color);
|
||||
_ignoreHexChanges = false;
|
||||
}
|
||||
|
||||
private void SetColorFromTextBoxes(System.Drawing.Color color)
|
||||
{
|
||||
if (!_ignoreGradientsChanges)
|
||||
{
|
||||
var hsv = ColorFormatUtils.ConvertToHsvColor(color);
|
||||
|
||||
var huePosition = (hsv.Hue / 360) * HueGradientSlider.Maximum;
|
||||
var saturationPosition = hsv.Saturation * SaturationGradientSlider.Maximum;
|
||||
var valuePosition = hsv.Value * ValueGradientSlider.Maximum;
|
||||
UpdateHueColorGradient(huePosition);
|
||||
UpdateSaturationColorGradient(saturationPosition);
|
||||
UpdateValueColorGradient(valuePosition);
|
||||
}
|
||||
|
||||
UpdateTextBoxesAndCurrentColor(Color.FromRgb(color.R, color.G, color.B));
|
||||
}
|
||||
|
||||
private static string ColorToHex(Color color, string oldValue = "")
|
||||
{
|
||||
#if NETCOREAPP
|
||||
var newHexString = BitConverter.ToString([color.R, color.G, color.B]).Replace("-", string.Empty, StringComparison.InvariantCulture);
|
||||
#else
|
||||
var newHexString = BitConverter.ToString([color.R, color.G, color.B]).Replace("-", string.Empty);
|
||||
#endif
|
||||
newHexString = newHexString.ToLowerInvariant();
|
||||
|
||||
// Return only with hashtag if user typed it before
|
||||
#if NETCOREAPP
|
||||
var addHashtag = oldValue.StartsWith('#');
|
||||
#else
|
||||
var addHashtag = oldValue.StartsWith("#");
|
||||
#endif
|
||||
return addHashtag ? "#" + newHexString : newHexString;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// Formats the hex code string to be accepted by <see cref="System.Drawing.ColorConverter.ConvertFromString(string)"/>. We are adding hashtag at the beginning if needed and convert from three characters to six characters code.
|
||||
/// </summary>
|
||||
/// <param name="hexCodeText">The string we read from the hex text box.</param>
|
||||
/// <returns>Formatted string with hashtag and six characters of hex code.</returns>
|
||||
private static string FormatHexColorString(string hexCodeText)
|
||||
{
|
||||
if (hexCodeText.Length is 3 or 4)
|
||||
{
|
||||
// Hex with or without hashTag and three characters
|
||||
return Regex.Replace(hexCodeText, "^#?([0-9a-fA-F])([0-9a-fA-F])([0-9a-fA-F])$", "#$1$1$2$2$3$3");
|
||||
}
|
||||
|
||||
// Hex with or without hashTag and six characters
|
||||
#if NETCOREAPP
|
||||
return hexCodeText.StartsWith('#') ? hexCodeText : "#" + hexCodeText;
|
||||
#else
|
||||
return hexCodeText.StartsWith("#") ? hexCodeText : "#" + hexCodeText;
|
||||
#endif
|
||||
}
|
||||
|
||||
private void OnHexCodeGotKeyboardFocus(object sender, KeyboardFocusChangedEventArgs e)
|
||||
{
|
||||
((TextBox) sender).SelectAll();
|
||||
}
|
||||
|
||||
private void OnRgbNumberBoxTextChanged(object sender, TextChangedEventArgs e)
|
||||
{
|
||||
if (_ignoreRgbChanges) return;
|
||||
|
||||
var numberBox = (NumberBox) sender;
|
||||
|
||||
if (!RNumberBox.Value.HasValue) return;
|
||||
if (!GNumberBox.Value.HasValue) return;
|
||||
if (!BNumberBox.Value.HasValue) return;
|
||||
|
||||
var r = numberBox.Name == "RNumberBox" ? GetValueFromNumberBox(numberBox) : (byte) RNumberBox.Value;
|
||||
var g = numberBox.Name == "GNumberBox" ? GetValueFromNumberBox(numberBox) : (byte) GNumberBox.Value;
|
||||
var b = numberBox.Name == "BNumberBox" ? GetValueFromNumberBox(numberBox) : (byte) BNumberBox.Value;
|
||||
|
||||
_ignoreRgbChanges = true;
|
||||
SetColorFromTextBoxes(System.Drawing.Color.FromArgb(r, g, b));
|
||||
_ignoreRgbChanges = false;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// NumberBox provides value only after it has been validated - happens after pressing enter or leaving this control.
|
||||
/// However, we need to get value immediately after the underlying textbox value changes
|
||||
/// </summary>
|
||||
/// <param name="numberBox">numberBox control which value we want to get</param>
|
||||
/// <returns>Validated value as per numberbox conditions, if content is invalid it returns previous value</returns>
|
||||
private static byte GetValueFromNumberBox(NumberBox numberBox)
|
||||
{
|
||||
if (!numberBox.Value.HasValue) return byte.MinValue;
|
||||
|
||||
var parsedValue = ParseDouble(numberBox.Text);
|
||||
if (!parsedValue.HasValue) return (byte) numberBox.Value;
|
||||
|
||||
var parsedValueByte = (byte) parsedValue;
|
||||
|
||||
if (parsedValueByte >= numberBox.Minimum && parsedValueByte <= numberBox.Maximum)
|
||||
{
|
||||
return parsedValueByte;
|
||||
}
|
||||
|
||||
// not valid input, return previous value
|
||||
return (byte) numberBox.Value;
|
||||
}
|
||||
|
||||
public static double? ParseDouble(string text)
|
||||
{
|
||||
if (double.TryParse(text, out var result))
|
||||
{
|
||||
return result;
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user