88 lines
No EOL
3.3 KiB
C#
88 lines
No EOL
3.3 KiB
C#
/*
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Copyright (c) 2018, Lars Brubaker
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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The views and conclusions contained in the software and documentation are those
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of the authors and should not be interpreted as representing official policies,
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either expressed or implied, of the FreeBSD Project.
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*/
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using System;
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using MatterHackers.Agg;
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using MatterHackers.Agg.Transform;
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using MatterHackers.Agg.VertexSource;
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using MatterHackers.VectorMath;
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namespace MatterHackers.MatterControl
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{
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[Flags]
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public enum LineArrows
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{
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None = 0,
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Start = 1,
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End = 2,
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Both = 3
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}
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public static class Graphics2DOverrides
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{
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public static void Ring(this Graphics2D graphics2D, Vector2 center, double radius, double width, Color color)
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{
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var ring = new Ellipse(center, radius);
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var ringStroke = new Stroke(ring, width);
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graphics2D.Render(ringStroke, color);
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}
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public static void DrawMeasureLine(this Graphics2D graphics2D, Vector2 lineStart, Vector2 lineEnd, LineArrows arrows, ThemeConfig theme)
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{
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graphics2D.Line(lineStart, lineEnd, theme.TextColor);
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Vector2 direction = lineEnd - lineStart;
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if (direction.LengthSquared > 0
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&& (arrows.HasFlag(LineArrows.Start) || arrows.HasFlag(LineArrows.End)))
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{
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var arrow = new VertexStorage();
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arrow.MoveTo(-3, -5);
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arrow.LineTo(0, 0);
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arrow.LineTo(3, -5);
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if (arrows.HasFlag(LineArrows.End))
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{
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double rotation = Math.Atan2(direction.Y, direction.X);
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IVertexSource correctRotation = new VertexSourceApplyTransform(arrow, Affine.NewRotation(rotation - MathHelper.Tau / 4));
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IVertexSource inPosition = new VertexSourceApplyTransform(correctRotation, Affine.NewTranslation(lineEnd));
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graphics2D.Render(inPosition, theme.TextColor);
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}
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if (arrows.HasFlag(LineArrows.Start))
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{
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double rotation = Math.Atan2(direction.Y, direction.X) + MathHelper.Tau / 2;
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IVertexSource correctRotation = new VertexSourceApplyTransform(arrow, Affine.NewRotation(rotation - MathHelper.Tau / 4));
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IVertexSource inPosition = new VertexSourceApplyTransform(correctRotation, Affine.NewTranslation(lineStart));
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graphics2D.Render(inPosition, theme.TextColor);
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}
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}
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}
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}
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} |