Graph.Viewport Property

Graph Viewport Property

Delta Engine Documentation

Namespace: DeltaEngine.Rendering2D.Graphs
Assembly: DeltaEngine.Rendering2D.Graphs (in DeltaEngine.Rendering2D.Graphs.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public Rectangle Viewport { get; set; }

public Rectangle Viewport { get; set; }

Public Property Viewport As Rectangle 
	Get 
	Set

Public Property Viewport As Rectangle 
	Get 
	Set

public:
property Rectangle Viewport {
	Rectangle get ();
	void set (Rectangle value);
}

public:
property Rectangle Viewport {
	Rectangle get ();
	void set (Rectangle value);
}

member Viewport : Rectangle with get, set

member Viewport : Rectangle with get, set

Property Value

Type: Rectangle

Remarks

Tests: DeltaEngine.Rendering2D.Graphs.Tests.GraphLineTests

Examples

3 unit tests call DeltaEngine.Rendering2D.Graphs.Graph.Viewport

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[Test, CloseAfterFirstFrame]
public void RefreshDoesNothingIfViewportDidntChange()
{
    GraphLine line = CreateLineWithTwoPoints();
    Vector2D start = line.lines[0].StartPoint;
    Vector2D end = line.lines[0].EndPoint;
    line.Refresh();
    Assert.AreEqual(start, line.lines[0].StartPoint);
    Assert.AreEqual(end, line.lines[0].EndPoint);
}

[Test, CloseAfterFirstFrame]
public void RefreshDoesNothingIfViewportDidntChange()
{
    GraphLine line = CreateLineWithTwoPoints();
    Vector2D start = line.lines[0].StartPoint;
    Vector2D end = line.lines[0].EndPoint;
    line.Refresh();
    Assert.AreEqual(start, line.lines[0].StartPoint);
    Assert.AreEqual(end, line.lines[0].EndPoint);
}

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[Test, CloseAfterFirstFrame]
public void RefreshUpdatesLinesIfViewportChanged()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.graph.Viewport = Rectangle.FromCenter(0.4f, 0.4f, 0.8f, 0.8f);
    line.Refresh();
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.5f, 0.4762f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.5952f, 0.4286f)));
}

[Test, CloseAfterFirstFrame]
public void RefreshUpdatesLinesIfViewportChanged()
{
    GraphLine line = CreateLineWithTwoPoints();
    line.graph.Viewport = Rectangle.FromCenter(0.4f, 0.4f, 0.8f, 0.8f);
    line.Refresh();
    Assert.IsTrue(line.lines[0].StartPoint.IsNearlyEqual(new Vector2D(0.5f, 0.4762f)));
    Assert.IsTrue(line.lines[0].EndPoint.IsNearlyEqual(new Vector2D(0.5952f, 0.4286f)));
}

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[Test, CloseAfterFirstFrame]
public void ChangeViewport()
{
    graph.Viewport = Rectangle.One;
    Assert.AreEqual(Rectangle.One, graph.Viewport);
}

[Test, CloseAfterFirstFrame]
public void ChangeViewport()
{
    graph.Viewport = Rectangle.One;
    Assert.AreEqual(Rectangle.One, graph.Viewport);
}