using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Drawing.Text;
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using System.Windows.Forms;
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using HotelPms.Share.Windows.Animations;
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using System;
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using System.Drawing.Imaging;
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namespace HotelPms.Share.Windows.Component
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{
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public class MaterialButton : Button
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{
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private float radius = 10F;
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/// <summary>
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/// 半径
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/// </summary>
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public float Radius
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{
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get { return radius; }
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set { radius = value; Invalidate(); }
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}
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private readonly AnimationManager _animationManager;
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private bool m_Selected = false;
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private bool m_MouseFocused = false;
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private StringFormat m_StringFormat = new StringFormat();
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//public event EventHandler ClickFinished;
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public new event EventHandler Click;
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public MaterialButton()
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{
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BackColor = Color.FromArgb(255, 0, 105, 217);
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ForeColor = Color.White;
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Cursor = Cursors.Hand;
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_animationManager = new AnimationManager(false)
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{
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Increment = 0.03,
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AnimationType = AnimationType.EaseOut
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};
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_animationManager.OnAnimationProgress += sender => Invalidate();
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_animationManager.OnAnimationFinished += _animationManager_OnAnimationFinished;
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FlatStyle = FlatStyle.Flat;
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//AutoSizeMode = AutoSizeMode.GrowAndShrink;
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//AutoSize = true;
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}
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private void _animationManager_OnAnimationFinished(object sender)
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{
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Click?.Invoke(this, new EventArgs());
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//ClickFinished?.Invoke(this, new EventArgs());
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}
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protected override void Dispose(bool disposing)
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{
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m_StringFormat.Dispose();
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base.Dispose(disposing);
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}
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public override string Text
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{
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get { return base.Text; }
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set
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{
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base.Text = value;
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Invalidate();
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}
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}
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protected override void OnEnter(EventArgs e)
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{
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base.OnEnter(e);
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m_Selected = true;
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}
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protected override void OnLeave(EventArgs e)
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{
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base.OnLeave(e);
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m_Selected = false;
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}
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protected override void OnMouseEnter(EventArgs e)
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{
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base.OnMouseEnter(e);
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m_MouseFocused = true;
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}
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protected override void OnMouseLeave(EventArgs e)
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{
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base.OnMouseLeave(e);
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m_MouseFocused = false;
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}
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protected override void OnMouseUp(MouseEventArgs mevent)
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{
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base.OnMouseUp(mevent);
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_animationManager.StartNewAnimation(AnimationDirection.In, mevent.Location);
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}
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protected override void OnPreviewKeyDown(PreviewKeyDownEventArgs e)
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{
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base.OnPreviewKeyDown(e);
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if (e.KeyCode == Keys.Enter)
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{
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_animationManager.StartNewAnimation(AnimationDirection.In, new Point(Width / 2, Height / 2));
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}
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}
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protected override void OnPaint(PaintEventArgs pevent)
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{
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var g = pevent.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.Clear(Parent.BackColor);
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if (radius.CompareTo(0F) <= 0)
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{
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Color beginColor = m_MouseFocused ? (FlatAppearance.MouseOverBackColor == Color.Empty ? ControlPaint.Light(BackColor) : FlatAppearance.MouseOverBackColor) : m_Selected ? (FlatAppearance.MouseDownBackColor == Color.Empty ? ControlPaint.Light(BackColor) : FlatAppearance.MouseDownBackColor) : BackColor;
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using (SolidBrush backBrush = new SolidBrush(beginColor))
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{
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g.FillRectangle(backBrush, ClientRectangle);
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}
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//線
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if (this.FlatAppearance.BorderSize > 0 && !this.FlatAppearance.BorderColor.Equals(Color.Empty))
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{
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using (Pen pen = new Pen(this.FlatAppearance.BorderColor, this.FlatAppearance.BorderSize))
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{
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g.DrawRectangle(pen, ClientRectangle);
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}
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}
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}
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else
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{
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using (var backgroundPath = CreateRoundRect(ClientRectangle.X, ClientRectangle.Y, ClientRectangle.Width - 1, ClientRectangle.Height - 1, radius))
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{
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Color beginColor = m_MouseFocused ? (FlatAppearance.MouseOverBackColor == Color.Empty ? ControlPaint.Light(BackColor) : FlatAppearance.MouseOverBackColor) : m_Selected ? (FlatAppearance.MouseDownBackColor == Color.Empty ? ControlPaint.LightLight(BackColor) : FlatAppearance.MouseDownBackColor) : BackColor;
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using (SolidBrush backBrush = new SolidBrush(beginColor))
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{
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g.FillPath(backBrush, backgroundPath);
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}
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//線
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if (this.FlatAppearance.BorderSize > 0 && !this.FlatAppearance.BorderColor.Equals(Color.Empty))
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{
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using (Pen pen = new Pen(this.FlatAppearance.BorderColor, this.FlatAppearance.BorderSize))
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{
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g.DrawPath(pen, backgroundPath);
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}
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}
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}
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}
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if (_animationManager.IsAnimating())
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{
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for (int i = 0; i < _animationManager.GetAnimationCount(); i++)
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{
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var animationValue = _animationManager.GetProgress(i);
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var animationSource = _animationManager.GetSource(i);
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using (var rippleBrush = new SolidBrush(Color.FromArgb((int)(51 - (animationValue * 50)), Color.White)))
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{
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var rippleSize = (int)(animationValue * Width * 2);
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g.FillEllipse(rippleBrush, new Rectangle(animationSource.X - rippleSize / 2, animationSource.Y - rippleSize / 2, rippleSize, rippleSize));
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}
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}
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}
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Rectangle textR = ClientRectangle;
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if (Image != null)
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{
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int x = 5;
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float rate = 0.5F;
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int width = (int)(ClientRectangle.Width * 0.3) - x;
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int height = (int)(ClientRectangle.Height * rate);
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//Zoom
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if ((double)Image.Width / (double)Image.Height > (double)width / (double)height) // image is wider
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{
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height = (int)((double)Image.Height / (double)Image.Width * (double)width);
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}
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else
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{
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width = (int)((double)Image.Width / (double)Image.Height * (double)height);
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}
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//居中
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Rectangle imgRect = new Rectangle(x, (ClientRectangle.Height - height) / 2, width, height);
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ImageAttributes vAttr = new ImageAttributes();
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vAttr.SetColorKey((Image as Bitmap).GetPixel(0, 0), (Image as Bitmap).GetPixel(0, 0));
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pevent.Graphics.DrawImage(Image, imgRect, 0, 0, Image.Width, Image.Height, GraphicsUnit.Pixel, vAttr);
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textR = new Rectangle(new Point(x + ClientRectangle.X + width, ClientRectangle.Y), new Size(ClientRectangle.Width - width, ClientRectangle.Height));
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}
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SetStringFormat();
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using (SolidBrush foreBrush = new SolidBrush(this.ForeColor))
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{
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g.DrawString(Text, Font, foreBrush, textR, m_StringFormat);
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}
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}
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public static GraphicsPath CreateRoundRect(float x, float y, float width, float height, float radius)
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{
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var gp = new GraphicsPath();
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gp.AddLine(x + radius, y, x + width - (radius * 2), y);
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gp.AddArc(x + width - (radius * 2), y, radius * 2, radius * 2, 270, 90);
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gp.AddLine(x + width, y + radius, x + width, y + height - (radius * 2));
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gp.AddArc(x + width - (radius * 2), y + height - (radius * 2), radius * 2, radius * 2, 0, 90);
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gp.AddLine(x + width - (radius * 2), y + height, x + radius, y + height);
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gp.AddArc(x, y + height - (radius * 2), radius * 2, radius * 2, 90, 90);
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gp.AddLine(x, y + height - (radius * 2), x, y + radius);
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gp.AddArc(x, y, radius * 2, radius * 2, 180, 90);
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gp.CloseFigure();
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return gp;
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}
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public static GraphicsPath CreateRoundRect(Rectangle rect, float radius)
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{
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return CreateRoundRect(rect.X, rect.Y, rect.Width, rect.Height, radius);
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}
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private void SetStringFormat()
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{
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switch (this.TextAlign)
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{
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case ContentAlignment.BottomCenter:
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case ContentAlignment.BottomLeft:
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case ContentAlignment.BottomRight:
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m_StringFormat.LineAlignment = StringAlignment.Far;
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break;
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case ContentAlignment.MiddleCenter:
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case ContentAlignment.MiddleLeft:
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case ContentAlignment.MiddleRight:
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m_StringFormat.LineAlignment = StringAlignment.Center;
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break;
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case ContentAlignment.TopCenter:
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case ContentAlignment.TopLeft:
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case ContentAlignment.TopRight:
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m_StringFormat.LineAlignment = StringAlignment.Near;
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break;
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}
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switch (this.TextAlign)
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{
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case ContentAlignment.TopLeft:
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case ContentAlignment.BottomLeft:
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case ContentAlignment.MiddleLeft:
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m_StringFormat.Alignment = StringAlignment.Near;
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break;
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case ContentAlignment.MiddleCenter:
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case ContentAlignment.BottomCenter:
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case ContentAlignment.TopCenter:
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m_StringFormat.Alignment = StringAlignment.Center;
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break;
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case ContentAlignment.BottomRight:
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case ContentAlignment.MiddleRight:
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case ContentAlignment.TopRight:
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m_StringFormat.Alignment = StringAlignment.Far;
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break;
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}
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}
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}
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}
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