public HsbaColor(string hexColor)
{
HsbaColor hsba = Utility.RgbaToHsba(new RgbaColor(hexColor));
H = hsba.H;
S = hsba.S;
B = hsba.B;
A = hsba.A;
}
public HsbaColor(Brush brush)
{
HsbaColor hsba = Utility.RgbaToHsba(new RgbaColor(brush));
H = hsba.H;
S = hsba.S;
B = hsba.B;
A = hsba.A;
}
public HsbaColor(int r, int g, int b, int a = 255)
{
HsbaColor hsba = Utility.RgbaToHsba(new RgbaColor(r, g, b, a));
H = hsba.H;
S = hsba.S;
B = hsba.B;
A = hsba.A;
}
/// <summary>
/// Hsba转Rgba
/// </summary>
/// <param name="hsba"></param>
/// <returns></returns>
internal static RgbaColor HsbaToRgba(HsbaColor hsba)
{
double r = 0, g = 0, b = 0;
int i = (int)((hsba.H / 60) % 6);
double f = (hsba.H / 60) - i;
double p = hsba.B * (1 - hsba.S);
double q = hsba.B * (1 - f * hsba.S);
double t = hsba.B * (1 - (1 - f) * hsba.S);
switch (i)
{
case 0:
r = hsba.B;
g = t;
b = p;
break;
case 1:
r = q;
g = hsba.B;
b = p;
break;
case 2:
r = p;
g = hsba.B;
b = t;
break;
case 3:
r = p;
g = q;
b = hsba.B;
break;
case 4:
r = t;
g = p;
b = hsba.B;
break;
case 5:
r = hsba.B;
g = p;
b = q;
break;
default:
break;
}
return(new RgbaColor((int)(255.0 * r), (int)(255.0 * g), (int)(255.0 * b), (int)(255.0 * hsba.A)));
}
private void Initialize(HsbaColor hsbaColor)
{
// 绑定主题
Utility.Refresh(this);
// 设置当前初始颜色
currentColor = hsbaColor;
// defaultColor = currentColor;
// 界面初始化
viewDefColor.Background = defaultColor.SolidColorBrush;
viewLine1.Offset = 1.0 / 6.0 * 0.0;
viewLine2.Offset = 1.0 / 6.0 * 1.0;
viewLine3.Offset = 1.0 / 6.0 * 2.0;
viewLine4.Offset = 1.0 / 6.0 * 3.0;
viewLine5.Offset = 1.0 / 6.0 * 4.0;
viewLine6.Offset = 1.0 / 6.0 * 5.0;
viewLine7.Offset = 1.0 / 6.0 * 6.0;
// 按钮事件
bool start = true;
button.Click += delegate
{
polygon.Margin = new Thickness(ActualWidth / 2 - 5, -5.0, 0.0, 0.0);
popup.IsOpen = true;
if (start)
{
ApplyColor(currentColor);
start = false;
}
};
popup.Closed += delegate { if (ColorPickerClosed != null)
{
ColorPickerClosed();
}
};
viewDefColor.Click += delegate { ApplyColor(new HsbaColor(viewDefColor.Background)); };
hex.ButtonClick += delegate { Clipboard.SetText(hex.Text); };
// 视图被改变事件
thumbSB.ValueChange += delegate { if (thumbSB.IsDragging)
{
ViewChange();
}
};
thumbH.ValueChange += delegate { if (thumbH.IsDragging)
{
ViewChange();
}
};
thumbA.ValueChange += delegate { if (thumbA.IsDragging)
{
ViewChange();
}
};
// RGBA操作事件
rgbaR.TextChanged += delegate { if (rgbaR.IsSelectionActive)
{
RgbaChange();
}
};
rgbaG.TextChanged += delegate { if (rgbaG.IsSelectionActive)
{
RgbaChange();
}
};
rgbaB.TextChanged += delegate { if (rgbaB.IsSelectionActive)
{
RgbaChange();
}
};
rgbaA.TextChanged += delegate { if (rgbaA.IsSelectionActive)
{
RgbaChange();
}
};
// HSBA操作事件
hsbaH.TextChanged += delegate { if (hsbaH.IsSelectionActive)
{
HsbaChange();
}
};
hsbaS.TextChanged += delegate { if (hsbaS.IsSelectionActive)
{
HsbaChange();
}
};
hsbaB.TextChanged += delegate { if (hsbaB.IsSelectionActive)
{
HsbaChange();
}
};
hsbaA.TextChanged += delegate { if (hsbaA.IsSelectionActive)
{
HsbaChange();
}
};
// HEX操作事件
hex.TextChanged += delegate { if (hex.IsSelectionActive)
{
HexChange();
}
};
}
private void ApplyColor(HsbaColor hsba)
{
currentColor = hsba;
currentRgbaColor = currentColor.RgbaColor;
if (!rgbaR.IsSelectionActive)
{
rgbaR.Text = currentRgbaColor.R.ToString();
}
if (!rgbaG.IsSelectionActive)
{
rgbaG.Text = currentRgbaColor.G.ToString();
}
if (!rgbaB.IsSelectionActive)
{
rgbaB.Text = currentRgbaColor.B.ToString();
}
if (!rgbaA.IsSelectionActive)
{
rgbaA.Text = currentRgbaColor.A.ToString();
}
if (!hsbaH.IsSelectionActive)
{
hsbaH.Text = ((int)(currentColor.H / 3.6)).ToString();
}
if (!hsbaS.IsSelectionActive)
{
hsbaS.Text = ((int)(currentColor.S * 100)).ToString();
}
if (!hsbaB.IsSelectionActive)
{
hsbaB.Text = ((int)(currentColor.B * 100)).ToString();
}
if (!hsbaA.IsSelectionActive)
{
hsbaA.Text = ((int)(currentColor.A * 100)).ToString();
}
if (!hex.IsSelectionActive)
{
if (canTransparent)
{
hex.Text = currentColor.HexString;
}
else
{
hex.Text = string.Format("#{0:X2}{1:X2}{2:X2}", currentRgbaColor.R, currentRgbaColor.G, currentRgbaColor.B);
}
}
if (!thumbH.IsDragging)
{
thumbH.YPercent = currentColor.H / 360.0;
}
if (!thumbSB.IsDragging)
{
thumbSB.XPercent = currentColor.S; thumbSB.YPercent = 1 - currentColor.B;
}
if (!thumbA.IsDragging)
{
thumbA.YPercent = Math.Abs(1 - currentColor.A);
}
selectColor.H = currentColor.H;
selectColor.A = currentColor.A;
viewSelectColor.Fill = selectColor.OpaqueSolidColorBrush;
if (canTransparent)
{
viewSelectColor.Opacity = viewSelectColor1.Opacity = viewSelectColor2.Opacity = 1 - thumbA.YPercent;
}
viewAlpha.Color = selectColor.OpaqueColor;
if (canTransparent)
{
Background = currentColor.SolidColorBrush;
}
else
{
Background = currentColor.OpaqueSolidColorBrush;
}
ColorChange?.Invoke(this, null);
}