public RectangleR GetAnimationBounds(int animationIndex)
{
var bounds = new RectangleR();
var animation = Animations[animationIndex];
return(animation.Aggregate(bounds, (b, s) => b.Union(SpriteEntries[s.SpriteGroupIndex].Sprites.GetBounds())));
}
private void DrawPathBorder(Graphics g, RectangleR roundRect, Color color, int borderWidth)
{
using (GraphicsPath path = roundRect.ToGraphicsBezierPath())
{
using (Pen pen = new Pen(color, borderWidth))
{
g.DrawPath(pen, path);
}
}
}
private void FillRectangle(Graphics g, RectangleR roundRect, Color color)
{
if (roundRect.Rect.Width <= 0 || roundRect.Rect.Height <= 0)
{
return;
}
using (GraphicsPath path = roundRect.ToGraphicsBezierPath())
{
using (Brush brush = new SolidBrush(color))
{
g.FillPath(brush, path);
}
}
}
protected override void OnPaint(PaintEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias; //使绘图质量最高，即消除锯齿
var dotDis = this.ClientRectangle.Width > this.ClientRectangle.Height ? this.Height : this.Width;
var rect = new Rectangle(0, 0, this.ClientRectangle.Width - 1, this.ClientRectangle.Height - 1);
var bRect = new Rectangle(0, 0, this.ClientRectangle.Width - 1, this.ClientRectangle.Height - 1);
var roundRectR = new RectangleR(rect, dotDis / 2);
var borderRectR = new RectangleR(bRect, dotDis / 2);
//画背景
FillRectangle(e.Graphics, roundRectR, ButtonStyle.ToggleButtonBackColor);
var x = ButtonStyle.DotDistance;
dotDis = dotDis - 2 * x - 2 * ButtonStyle.BorderWidth;
var y = (this.ClientRectangle.Height - dotDis) / 2;
if (Checked)
{
x = this.ClientRectangle.Width - x - dotDis;
}
//Dot区域
_MouseRect = new Rectangle(x, y, dotDis, dotDis);
_StateColor = ButtonStyle.ToggleOffColor;
if (Checked)
{
_StateColor = ButtonStyle.ToggleOnColor;
}
if (EnabledToggle == false)
{
_StateColor = ColorTranslator.FromHtml("#c0bfbf");
}
//画边框
DrawPathBorder(e.Graphics, borderRectR, _StateColor, ButtonStyle.BorderWidth);
//处理dot
if (_DotFocus)
{
_StateColor = ButtonStyle.ToggleOffFocusColor;
if (Checked)
{
_StateColor = ButtonStyle.ToggleOnFocusColor;
}
}
if (_DotClick)
{
var offColor = ButtonStyle.ToggleOffColor;
var offX = -2;
if (Checked)
{
offX = 2;
offColor = ButtonStyle.ToggleOnColor;
}
//画阴影
var offRect = _MouseRect;
offRect.Offset(offX, 0);
using (var brush = new SolidBrush(offColor))
{
e.Graphics.FillEllipse(brush, offRect);
}
}
//画圆DOT
using (var brush = new SolidBrush(_StateColor))
{
e.Graphics.FillEllipse(brush, _MouseRect);
}
e.Graphics.ResetClip();
}