#region Imports
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using DPumpHydr.WinFrmUI.RLT.Manager;
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using System;
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using System.ComponentModel;
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using System.Drawing;
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using System.Drawing.Drawing2D;
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using System.Windows.Forms;
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using static DPumpHydr.WinFrmUI.RLT.Helper.MaterialDrawHelper;
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#endregion
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namespace DPumpHydr.WinFrmUI.RLT.Controls
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{
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#region MaterialCard
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public class MaterialCard : System.Windows.Forms.Panel, MaterialControlI
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{
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[Browsable(false)]
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public int Depth { get; set; }
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[Browsable(false)]
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public MaterialSkinManager SkinManager => MaterialSkinManager.Instance;
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[Browsable(false)]
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public MaterialMouseState MouseState { get; set; }
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public MaterialCard()
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{
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SetStyle(ControlStyles.AllPaintingInWmPaint | ControlStyles.UserPaint | ControlStyles.OptimizedDoubleBuffer | ControlStyles.ResizeRedraw, true);
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Paint += new PaintEventHandler(paintControl);
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BackColor = SkinManager.BackgroundColor;
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ForeColor = SkinManager.TextHighEmphasisColor;
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Margin = new Padding(SkinManager.FORM_PADDING);
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Padding = new Padding(SkinManager.FORM_PADDING);
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}
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private void drawShadowOnParent(object sender, PaintEventArgs e)
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{
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if (Parent == null)
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{
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RemoveShadowPaintEvent((Control)sender, drawShadowOnParent);
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return;
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}
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// paint shadow on parent
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Graphics gp = e.Graphics;
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Rectangle rect = new(Location, ClientRectangle.Size);
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gp.SmoothingMode = SmoothingMode.AntiAlias;
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DrawSquareShadow(gp, rect);
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}
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protected override void InitLayout()
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{
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LocationChanged += (sender, e) => { Parent?.Invalidate(); };
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ForeColor = SkinManager.TextHighEmphasisColor;
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}
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protected override void OnParentChanged(EventArgs e)
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{
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base.OnParentChanged(e);
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if (Parent != null)
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{
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AddShadowPaintEvent(Parent, drawShadowOnParent);
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}
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if (_oldParent != null)
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{
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RemoveShadowPaintEvent(_oldParent, drawShadowOnParent);
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}
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_oldParent = Parent;
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}
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private Control _oldParent;
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protected override void OnVisibleChanged(EventArgs e)
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{
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base.OnVisibleChanged(e);
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if (Parent == null)
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{
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return;
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}
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if (Visible)
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{
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AddShadowPaintEvent(Parent, drawShadowOnParent);
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}
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else
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{
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RemoveShadowPaintEvent(Parent, drawShadowOnParent);
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}
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}
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private bool _shadowDrawEventSubscribed = false;
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private void AddShadowPaintEvent(Control control, PaintEventHandler shadowPaintEvent)
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{
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if (_shadowDrawEventSubscribed)
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{
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return;
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}
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control.Paint += shadowPaintEvent;
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control.Invalidate();
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_shadowDrawEventSubscribed = true;
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}
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private void RemoveShadowPaintEvent(Control control, PaintEventHandler shadowPaintEvent)
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{
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if (!_shadowDrawEventSubscribed)
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{
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return;
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}
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control.Paint -= shadowPaintEvent;
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control.Invalidate();
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_shadowDrawEventSubscribed = false;
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}
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protected override void OnBackColorChanged(EventArgs e)
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{
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base.OnBackColorChanged(e);
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BackColor = SkinManager.BackgroundColor;
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}
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private void paintControl(object sender, PaintEventArgs e)
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{
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Graphics g = e.Graphics;
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g.SmoothingMode = SmoothingMode.AntiAlias;
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g.Clear(Parent.BackColor == Color.Transparent ? ((Parent.Parent == null || (Parent.Parent != null && Parent.Parent.BackColor == Color.Transparent)) ? SkinManager.BackgroundColor : Parent.Parent.BackColor) : Parent.BackColor);
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// card rectangle path
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RectangleF cardRectF = new(ClientRectangle.Location, ClientRectangle.Size);
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cardRectF.X -= 0.5f;
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cardRectF.Y -= 0.5f;
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GraphicsPath cardPath = CreateRoundRect(cardRectF, 4);
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// button shadow (blend with form shadow)
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DrawSquareShadow(g, ClientRectangle);
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// Draw card
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using SolidBrush normalBrush = new(BackColor);
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g.FillPath(normalBrush, cardPath);
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}
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}
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#endregion
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}
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