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//
// SimpleGauge.cs
//
// Author:
// jp <>
//
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using Crow;
using Cairo;
namespace Tutorials2
{
/// <summary>
/// Hexa container.
/// </summary>
/// <remarks>
/// </remarks>
public class HexaContainer : Container
{
const double pi3 = Math.PI / 3.0;
public HexaContainer () : base() {}
public HexaContainer (Interface iface): base (iface){}
protected override void onDraw (Context gr)
{
gr.Save ();
if (ClipToClientRect) {
//clip to client zone
CairoHelpers.CairoRectangle (gr, ClientRectangle, CornerRadius);
gr.Clip ();
}
Rectangle r = ClientRectangle;
double radius = 0,
cx = r.Width / 2.0 + r.X,
cy = r.Height / 2.0 + r.Y;
if (r.Width > r.Height)
radius = r.Height / 2.0;
else
radius = r.Width / 2.0;
double dx = Math.Sin (pi3) * radius;
double dy = Math.Cos (pi3) * radius;
gr.MoveTo (cx - radius, cy);
gr.LineTo (cx - dy, cy - dx);
gr.LineTo (cx + dy, cy - dx);
gr.LineTo (cx + radius, cy);
gr.LineTo (cx + dy, cy + dx);
gr.LineTo (cx - dy, cy + dx);
gr.ClosePath ();
gr.LineWidth = 1;
Background.SetAsSource (gr);
gr.FillPreserve ();
Foreground.SetAsSource (gr);
gr.Stroke ();
if (child != null) {
if (child.Visible)
child.Paint (ref gr);
}
gr.Restore ();
}
}
}
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