CursorPositionTranslater Class

Delta Engine Documentation

Used to translate courser and touch from and to client coordinates. Also used for SharpDX. View code on GitHub

Inheritance Hierarchy

System Object
DeltaEngine.Input.Windows CursorPositionTranslater

Namespace: DeltaEngine.Input.Windows
Assembly: DeltaEngine.Input.Windows (in DeltaEngine.Input.Windows.dll) Version: 1.1.1.0 (1.1.1)

Syntax

C++

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public class CursorPositionTranslater

public class CursorPositionTranslater

Public Class CursorPositionTranslater

Public Class CursorPositionTranslater

public ref class CursorPositionTranslater

public ref class CursorPositionTranslater

type CursorPositionTranslater =  class end

type CursorPositionTranslater =  class end

The CursorPositionTranslater type exposes the following members.

Constructors

	Name	Description
	CursorPositionTranslater	Initializes a new instance of the CursorPositionTranslater class

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Methods

	Name	Description
	GetCursorPosition	View code on GitHub
	SetCursorPosition	View code on GitHub

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Remarks

Tests: DeltaEngine.Input.Windows.Tests.CursorPositionTranslaterTests

Examples

3 unit tests call DeltaEngine.Input.Windows.CursorPositionTranslater

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[Test, CloseAfterFirstFrame]
public void GetClientPositionOnScreen()
{
    var window = Resolve<Window>();
    var translator = new CursorPositionTranslater(window);
    var outsidePosition = Resolve<ScreenSpace>().FromPixelSpace(new Vector2D(-10, -10));
    var screenPos = translator.ToScreenPositionFromScreenSpace(outsidePosition);
    Assert.IsTrue(screenPos.X < window.PixelPosition.X || screenPos.Y < window.PixelPosition.Y);
    Assert.AreEqual(outsidePosition, translator.FromScreenPositionToScreenSpace(screenPos));
}

[Test, CloseAfterFirstFrame]
public void GetClientPositionOnScreen()
{
    var window = Resolve<Window>();
    var translator = new CursorPositionTranslater(window);
    var outsidePosition = Resolve<ScreenSpace>().FromPixelSpace(new Vector2D(-10, -10));
    var screenPos = translator.ToScreenPositionFromScreenSpace(outsidePosition);
    Assert.IsTrue(screenPos.X < window.PixelPosition.X || screenPos.Y < window.PixelPosition.Y);
    Assert.AreEqual(outsidePosition, translator.FromScreenPositionToScreenSpace(screenPos));
}

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[Test, CloseAfterFirstFrame]
public void ConvertPixelFromScreenPositionAndBack()
{
    var positionTranslator = new CursorPositionTranslater(Resolve<Window>());
    var topLeftPixel = Vector2D.Zero;
    var outside = positionTranslator.FromScreenPositionToScreenSpace(topLeftPixel);
    Assert.AreEqual(topLeftPixel, positionTranslator.ToScreenPositionFromScreenSpace(outside));
}

[Test, CloseAfterFirstFrame]
public void ConvertPixelFromScreenPositionAndBack()
{
    var positionTranslator = new CursorPositionTranslater(Resolve<Window>());
    var topLeftPixel = Vector2D.Zero;
    var outside = positionTranslator.FromScreenPositionToScreenSpace(topLeftPixel);
    Assert.AreEqual(topLeftPixel, positionTranslator.ToScreenPositionFromScreenSpace(outside));
}

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[Test, CloseAfterFirstFrame, Ignore] // This moves the mouse every time NCrunch runs! 
public void GetReturnsWhatWasSet()
{
    var positionTranslator = new CursorPositionTranslater(Resolve<Window>());
    var setPoint = new Vector2D(0.1f, 0.2f);
    positionTranslator.SetCursorPosition(setPoint);
    var getPoint = positionTranslator.GetCursorPosition();
    Assert.AreEqual(setPoint.X, getPoint.X, 0.1f);
    Assert.AreEqual(setPoint.Y, getPoint.Y, 0.1f);
}

[Test, CloseAfterFirstFrame, Ignore] // This moves the mouse every time NCrunch runs! 
public void GetReturnsWhatWasSet()
{
    var positionTranslator = new CursorPositionTranslater(Resolve<Window>());
    var setPoint = new Vector2D(0.1f, 0.2f);
    positionTranslator.SetCursorPosition(setPoint);
    var getPoint = positionTranslator.GetCursorPosition();
    Assert.AreEqual(setPoint.X, getPoint.X, 0.1f);
    Assert.AreEqual(setPoint.Y, getPoint.Y, 0.1f);
}