public virtual void BasicTests()
{
SolidColorBrushInterpolator interpolator = new SolidColorBrushInterpolator
{
DataMaximum = 100,
DataMinimum = 0,
From = Color.FromArgb(200, 0, 0, 0),
To = Color.FromArgb(100, 100, 200, 10)
};
// Regular tests
BrushAssert((SolidColorBrush)interpolator.Interpolate(1), 199, 1, 2, 0);
BrushAssert((SolidColorBrush)interpolator.Interpolate(0), 200, 0, 0, 0);
BrushAssert((SolidColorBrush)interpolator.Interpolate(100), 100, 100, 200, 10);
// TODO: Right now colors are working for child level only
BrushAssert((SolidColorBrush)interpolator.Interpolate(200), 0, 200, 144, 20);
}
public virtual void BasicTests()
{
SolidColorBrushInterpolator interpolator = new SolidColorBrushInterpolator
{
DataMaximum = 100,
DataMinimum = 0,
From = Color.FromArgb(200, 0, 0, 0),
To = Color.FromArgb(100, 100, 200, 10)
};
// Regular tests
BrushAssert((SolidColorBrush)interpolator.Interpolate(1), 199, 1, 2, 0);
BrushAssert((SolidColorBrush)interpolator.Interpolate(0), 200, 0, 0, 0);
BrushAssert((SolidColorBrush)interpolator.Interpolate(100), 100, 100, 200, 10);
// TODO: Right now colors are working for child level only
BrushAssert((SolidColorBrush)interpolator.Interpolate(200), 0, 200, 144, 20);
}
public virtual void DataMaximumMinimumTests()
{
const double DataBorder = 100;
// DataMinimum == DataMaximum
SolidColorBrushInterpolator interpolator = new SolidColorBrushInterpolator
{
DataMaximum = DataBorder,
DataMinimum = DataBorder,
From = Color.FromArgb(200, 0, 0, 0),
To = Color.FromArgb(100, 100, 200, 10)
};
BrushAssert(
(SolidColorBrush)interpolator.Interpolate(1),
interpolator.From.A,
interpolator.From.R,
interpolator.From.G,
interpolator.From.B);
//// No exception for close values
// Calculate minimum double value that (dataBorder - value) yields
// a different number
double minDoubleDiff = 1;
while ((DataBorder - (minDoubleDiff / 2)) != DataBorder)
{
minDoubleDiff /= 2;
}
// No exception (div by 0) for very close values
interpolator.DataMinimum = DataBorder - minDoubleDiff;
interpolator.Interpolate(0.01);
interpolator.DataMinimum = DataBorder - (minDoubleDiff / 2);
interpolator.Interpolate(0.01);
}
private void InitializeBrush(LinearGradientBrush br)
{
if (br == null)
throw new ArgumentNullException("br");
//set start and end interpolators
double start = br.StartPoint.X;
double end = br.EndPoint.X;
if (br.GradientStops.Count < 2)
{
throw new Exception("2 Gradiant Stops must exist");
}
SolidColorBrushInterpolator startInterpolator = new SolidColorBrushInterpolator();
startInterpolator.DataMinimum = start;
startInterpolator.DataMaximum = br.GradientStops[1].Offset;
startInterpolator.From = br.GradientStops[0].Color;
startInterpolator.To = br.GradientStops[1].Color;
interpolators.Add(startInterpolator);
for (int i = 1; i < br.GradientStops.Count - 1; i++)
{
SolidColorBrushInterpolator inter = new SolidColorBrushInterpolator();
inter.DataMinimum = br.GradientStops[i].Offset;
inter.DataMaximum = br.GradientStops[i + 1].Offset;
inter.From = br.GradientStops[i].Color;
inter.To = br.GradientStops[i + 1].Color;
interpolators.Add(inter);
}
}
public virtual void DataMaximumMinimumTests()
{
const double DataBorder = 100;
// DataMinimum == DataMaximum
SolidColorBrushInterpolator interpolator = new SolidColorBrushInterpolator
{
DataMaximum = DataBorder,
DataMinimum = DataBorder,
From = Color.FromArgb(200, 0, 0, 0),
To = Color.FromArgb(100, 100, 200, 10)
};
BrushAssert(
(SolidColorBrush)interpolator.Interpolate(1),
interpolator.From.A,
interpolator.From.R,
interpolator.From.G,
interpolator.From.B);
//// No exception for close values
// Calculate minimum double value that (dataBorder - value) yields
// a different number
double minDoubleDiff = 1;
while ((DataBorder - (minDoubleDiff / 2)) != DataBorder)
{
minDoubleDiff /= 2;
}
// No exception (div by 0) for very close values
interpolator.DataMinimum = DataBorder - minDoubleDiff;
interpolator.Interpolate(0.01);
interpolator.DataMinimum = DataBorder - (minDoubleDiff / 2);
interpolator.Interpolate(0.01);
}
