public void GradientThemeScaleToTest()
{
var minStyle = new VectorStyle {
Fill = new SolidBrush(Color.Red)
};
var maxStyle = new VectorStyle {
Fill = new SolidBrush(Color.Blue)
};
var theme = new GradientTheme("NotLinkedToVariable", 0.0, 10.0, minStyle, maxStyle, null, null, null, 3);
var colorMid = theme.GetFillColor(5.0);
theme.ScaleTo(-10.0, 30.0);
Assert.AreEqual(-10.0, theme.Min);
Assert.AreEqual(30.0, theme.Max);
Assert.AreEqual(3, theme.NumberOfClasses);
Assert.AreEqual(3, theme.ThemeItems.Count);
Assert.IsNull(theme.TextColorBlend);
Assert.IsNull(theme.LineColorBlend);
Assert.IsNull(theme.FillColorBlend);
AssertColor(Color.Red, theme.GetFillColor(-10.0));
AssertColor(colorMid, theme.GetFillColor(10.0));
AssertColor(Color.Blue, theme.GetFillColor(30.0));
theme.ScaleTo(-12.3, -12.3);
Assert.AreEqual(-12.3, theme.Min);
Assert.AreEqual(-12.3, theme.Max);
Assert.AreEqual(3, theme.NumberOfClasses);
Assert.AreEqual(2, theme.ThemeItems.Count); // Because max == min, only these values are defined and therefore < NumberOfClasses
Assert.IsNull(theme.TextColorBlend);
Assert.IsNull(theme.LineColorBlend);
Assert.IsNull(theme.FillColorBlend);
AssertColor(Color.Red, theme.GetFillColor(-12.3));
}
public void GenerateThemeWithMaxDoubleAndMinDoubleValue()
{
var minVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Red)
};
var maxVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Blue)
};
var theme = new GradientTheme("red to blue", double.MinValue, double.MaxValue, minVectorStyle, maxVectorStyle, null, null, null);
var color = theme.GetFillColor(100);
AssertColor(Color.FromArgb(255, 127, 0, 127), color);
}
public void ReturnMaxColorForMaxValue()
{
var minVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Red)
};
var maxVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Blue)
};
var theme = new GradientTheme("red to blue", 10.0, 100.123, minVectorStyle, maxVectorStyle, null, null, null);
var color = theme.GetFillColor(100.123);
AssertColor(Color.Blue, color);
}
public void GenerateThemeWithMaxDoubleAndMinDoubleValue()
{
var minVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Red)
};
var maxVectorStyle = new VectorStyle {
Fill = new SolidBrush(Color.Blue)
};
var theme = new GradientTheme("red to blue", double.MinValue, double.MaxValue, minVectorStyle, maxVectorStyle, null, null, null);
var color = theme.GetFillColor(100);
Assert.AreEqual(255, color.A);
Assert.AreEqual(127, color.R);
Assert.AreEqual(0, color.G);
Assert.AreEqual(127, color.B);
}