//create and return shader.
public IGazeHighlightShader CreateShader(EHighlightShaderType shaderType)
{
IGazeHighlightShader returnShader = null;
switch (shaderType)
{
case EHighlightShaderType.RedToGreen:
returnShader = new RedToGreenShader();
break;
}
return(returnShader);
}
//Constructor
public GazeHighlight(FixationDetection fixationWorker, Graphics zoomerCanvas, EHighlightShaderType shaderType, ZoomLens LensForm)
{
lensForm = LensForm;
fixationWorker.currentProgress += setPercent;
canvas = zoomerCanvas;
shaderMachine = new GazeHighlightShaderFactory();
gazeShader = shaderMachine.CreateShader(shaderType);
fixationPercent = 0;
currentGaze = new Point();
}