private void TabPage_TabPaintBackground(object sender, TabControl.TabPaintEventArgs e)
{
if (TabPaintBackgroundEvent != null)
{
TabPaintBackgroundEvent(sender, e);
}
}
private void TabPage_TabPaintBorder(object sender, TabControl.TabPaintEventArgs e)
{
if (TabPaintBorderEvent != null)
{
TabPaintBorderEvent(sender, e);
}
}
/// <summary>
/// Paint the tab
/// </summary>
/// <param name="e"></param>
protected override void OnPaint(System.Windows.Forms.PaintEventArgs e)
{
bool Painting = false;
if (Painting)
{
return;
}
Painting = true;
this.SuspendLayout();
Color RenderBorderColor = new Color();
Color RenderBottomColor = new Color();
Color RenderHighColor = new Color();
Color RenderLowColor = new Color();
System.Drawing.Drawing2D.GraphicsPath GraphicPath = new System.Drawing.Drawing2D.GraphicsPath();
int w = this.Width;
CalculateWidth();
if (w != this.Width)
{
GraphicPath.Dispose();
return;
}
if (m_Selected)
{
RenderBorderColor = Helper.RenderColors.BorderColor(m_RenderMode, BorderColor);
RenderHighColor = Helper.RenderColors.TabBackHighColor(m_RenderMode, BackHighColor);
RenderLowColor = Helper.RenderColors.TabBackLowColor(m_RenderMode, BackLowColor);
RenderBottomColor = Helper.RenderColors.TabBackLowColor(m_RenderMode, BackLowColor);
}
else if (m_Hot)
{
RenderBorderColor = Helper.RenderColors.BorderColor(m_RenderMode, BorderColor);
RenderHighColor = Helper.RenderColors.TabBackHighColor(m_RenderMode, BackHighColor);
RenderLowColor = Helper.RenderColors.TabBackLowColor(m_RenderMode, BackLowColor);
RenderBottomColor = Helper.RenderColors.BorderColor(m_RenderMode, BorderColor);
}
else
{
RenderBorderColor = Helper.RenderColors.BorderColorDisabled(m_RenderMode, BorderColorDisabled);
RenderHighColor = Helper.RenderColors.TabBackHighColorDisabled(m_RenderMode, BackHighColorDisabled);
RenderLowColor = Helper.RenderColors.TabBackLowColorDisabled(m_RenderMode, BackLowColorDisabled);
RenderBottomColor = Helper.RenderColors.BorderColor(m_RenderMode, BorderColor);
}
e.Graphics.SmoothingMode = m_SmoothingMode;
GraphicPath.AddPolygon(GetRegion(Width - 1, Height - 1, System.Convert.ToInt32(this.IsSelected ? Height : Height - 1)));
// if is bottom mirror the button vertically
if (m_Alignment == TabControl.TabAlignment.Bottom)
{
MirrorPath(GraphicPath);
Color x = RenderHighColor;
RenderHighColor = RenderLowColor;
RenderLowColor = x;
}
// Get the correct region including all the borders
Region R = new Region(GraphicPath);
Region R1 = new Region(GraphicPath);
Region R2 = new Region(GraphicPath);
Region R3 = new Region(GraphicPath);
System.Drawing.Drawing2D.Matrix M1 = new System.Drawing.Drawing2D.Matrix();
System.Drawing.Drawing2D.Matrix M2 = new System.Drawing.Drawing2D.Matrix();
System.Drawing.Drawing2D.Matrix M3 = new System.Drawing.Drawing2D.Matrix();
M1.Translate(0, -0.5F);
M2.Translate(0, 0.5F);
M3.Translate(1, 0);
R1.Transform(M1);
R2.Transform(M2);
R3.Transform(M3);
R.Union(R1);
R.Union(R2);
R.Union(R3);
this.Region = R;
RectangleF RF = R.GetBounds(e.Graphics);
Rectangle rec = new Rectangle(0, 0, (int)RF.Width, (int)RF.Height);
TabControl.TabPaintEventArgs te = default(TabControl.TabPaintEventArgs);
te = new TabControl.TabPaintEventArgs(e.Graphics, rec, m_Selected, m_Hot, GraphicPath, Width, Height);
if (TabPaintBackgroundEvent != null) // try to owner draw
{
TabPaintBackgroundEvent(this, te);
}
System.Drawing.Drawing2D.LinearGradientBrush gb = CreateGradientBrush(new Rectangle(0, 0, this.Width, this.Height), RenderHighColor, RenderLowColor);
if (!te.Handled)
{
e.Graphics.FillPath(gb, GraphicPath);
}
gb.Dispose();
te.Dispose();
te = new TabControl.TabPaintEventArgs(e.Graphics, rec, m_Selected, m_Hot, GraphicPath, Width, Height);
if (TabPaintBorderEvent != null) // try to owner draw
{
TabPaintBorderEvent(this, te);
}
if (!te.Handled)
{
if (m_BorderEnhanced)
{
Color c = m_Alignment == TabControl.TabAlignment.Bottom ? RenderLowColor : RenderHighColor;
Pen p = new Pen(c, (float)m_BorderEnhanceWeight);
e.Graphics.DrawLines(p, GraphicPath.PathPoints);
p.Dispose();
}
Pen p1 = new Pen(RenderBorderColor);
e.Graphics.DrawLines(p1, GraphicPath.PathPoints);
p1.Dispose();
}
te.Dispose();
e.Graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.None;
e.Graphics.DrawLine(new Pen(RenderBottomColor), GraphicPath.PathPoints[0], GraphicPath.PathPoints[GraphicPath.PointCount - 1]);
e.Graphics.SmoothingMode = m_SmoothingMode;
DrawIcon(e.Graphics);
DrawText(e.Graphics);
if (m_CloseButtonVisible)
{
DrawCloseButton(e.Graphics);
}
this.ResumeLayout();
// do the memory cleanup
GraphicPath.Dispose();
M1.Dispose();
M2.Dispose();
M3.Dispose();
R1.Dispose();
R2.Dispose();
R3.Dispose();
R.Dispose();
te.Dispose();
Painting = false;
}
