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* UIUserControl: 渐变色增加方向选择

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Sunny 2023-07-02 16:57:24 +08:00
parent 525cc8fd27
commit cc1e8dadcc
1 changed files with 38 additions and 1 deletions
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39
SunnyUI/Controls/UIUserControl.cs
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@ -518,13 +518,50 @@ namespace Sunny.UI
} }
} }
private FlowDirection fillColorGradientDirection = FlowDirection.TopDown;
[Description("填充颜色渐变方向"), Category("SunnyUI")]
[DefaultValue(FlowDirection.TopDown)]
public FlowDirection FillColorGradientDirection
{
get => fillColorGradientDirection;
set
{
if (fillColorGradientDirection != value)
{
fillColorGradientDirection = value;
Invalidate();
}
}
}
protected virtual void OnPaintFill(Graphics g, GraphicsPath path) protected virtual void OnPaintFill(Graphics g, GraphicsPath path)
{ {
Color color = GetFillColor(); Color color = GetFillColor();
if (fillColorGradient) if (fillColorGradient)
{ {
LinearGradientBrush br = new LinearGradientBrush(new Point(0, 0), new Point(0, Height), FillColor, FillColor2); LinearGradientBrush br;
switch (fillColorGradientDirection)
{
case FlowDirection.LeftToRight:
br = new LinearGradientBrush(new Point(0, 0), new Point(Width, y: 0), FillColor, FillColor2);
break;
case FlowDirection.TopDown:
br = new LinearGradientBrush(new Point(0, 0), new Point(0, Height), FillColor, FillColor2);
break;
case FlowDirection.RightToLeft:
br = new LinearGradientBrush(new Point(Width, 0), new Point(0, y: 0), FillColor, FillColor2);
break;
case FlowDirection.BottomUp:
br = new LinearGradientBrush(new Point(0, Height), new Point(0, 0), FillColor, FillColor2);
break;
default:
br = new LinearGradientBrush(new Point(0, 0), new Point(0, Height), FillColor, FillColor2);
break;
}
br.GammaCorrection = true; br.GammaCorrection = true;
if (RadiusSides == UICornerRadiusSides.None) if (RadiusSides == UICornerRadiusSides.None)