public void ValidateFractionalWidthDoesNotCrash()
{
ColorSpectrum colorSpectrum = null;
RunOnUIThread.Execute(() =>
{
colorSpectrum = new ColorSpectrum();
colorSpectrum.Width = 300.75;
colorSpectrum.Height = 300.75;
});
SetAsRootAndWaitForColorSpectrumFill(colorSpectrum);
}
public void ColorSpectrumEventsTest()
{
RunOnUIThread.Execute(() =>
{
ColorSpectrum colorSpectrum = new ColorSpectrum();
colorSpectrum.ColorChanged += (ColorSpectrum sender, ColorChangedEventArgs args) =>
{
Verify.AreEqual(args.OldColor, Colors.Red);
Verify.AreEqual(args.NewColor, Colors.Green);
};
colorSpectrum.Color = Colors.Green;
});
}
public void ValidateFractionalWidthDoesNotCrash()
{
ColorSpectrum colorSpectrum = null;
RunOnUIThread.Execute(() =>
{
colorSpectrum = new ColorSpectrum();
// 332.75 is the fractional value that caused a crash in Settings when DPI was set to 200%
// and text scaling was set to >160%. It ensures that we exercise all of the round() fixes
// that we made in ColorSpectrum to ensure we always round fractional values instead of
// truncating them.
colorSpectrum.Width = 332.75;
colorSpectrum.Height = 332.75;
});
SetAsRootAndWaitForColorSpectrumFill(colorSpectrum);
}
public void ColorSpectrumTest()
{
RunOnUIThread.Execute(() =>
{
ColorSpectrum colorSpectrum = new ColorSpectrum();
Verify.IsNotNull(colorSpectrum);
Verify.AreEqual(Colors.White, colorSpectrum.Color);
Verify.AreEqual(new Vector4()
{
X = 0.0f, Y = 0.0f, Z = 1.0f, W = 1.0f
}, colorSpectrum.HsvColor);
Verify.AreEqual(0, colorSpectrum.MinHue);
Verify.AreEqual(359, colorSpectrum.MaxHue);
Verify.AreEqual(0, colorSpectrum.MinSaturation);
Verify.AreEqual(100, colorSpectrum.MaxSaturation);
Verify.AreEqual(0, colorSpectrum.MinValue);
Verify.AreEqual(100, colorSpectrum.MaxValue);
Verify.AreEqual(ColorSpectrumShape.Box, colorSpectrum.Shape);
Verify.AreEqual(ColorSpectrumComponents.HueSaturation, colorSpectrum.Components);
colorSpectrum.Color = Colors.Green;
colorSpectrum.MinHue = 10;
colorSpectrum.MaxHue = 300;
colorSpectrum.MinSaturation = 10;
colorSpectrum.MaxSaturation = 90;
colorSpectrum.MinValue = 10;
colorSpectrum.MaxValue = 90;
colorSpectrum.Shape = ColorSpectrumShape.Ring;
colorSpectrum.Components = ColorSpectrumComponents.HueValue;
Verify.AreEqual(Colors.Green, colorSpectrum.Color);
// We'll probably encounter some level of rounding error here,
// so we want to check that the HSV color is *close* to what's expected,
// not exactly equal.
Verify.IsLessThan(Math.Abs(colorSpectrum.HsvColor.X - 120.0), 0.1);
Verify.IsLessThan(Math.Abs(colorSpectrum.HsvColor.Y - 1.0), 0.1);
Verify.IsLessThan(Math.Abs(colorSpectrum.HsvColor.Z - 0.5), 0.1);
Verify.AreEqual(10, colorSpectrum.MinHue);
Verify.AreEqual(300, colorSpectrum.MaxHue);
Verify.AreEqual(10, colorSpectrum.MinSaturation);
Verify.AreEqual(90, colorSpectrum.MaxSaturation);
Verify.AreEqual(10, colorSpectrum.MinValue);
Verify.AreEqual(90, colorSpectrum.MaxValue);
Verify.AreEqual(ColorSpectrumShape.Ring, colorSpectrum.Shape);
Verify.AreEqual(ColorSpectrumComponents.HueValue, colorSpectrum.Components);
colorSpectrum.HsvColor = new Vector4()
{
X = 120.0f, Y = 1.0f, Z = 1.0f, W = 1.0f
};
Verify.AreEqual(Color.FromArgb(255, 0, 255, 0), colorSpectrum.Color);
Verify.AreEqual(new Vector4()
{
X = 120.0f, Y = 1.0f, Z = 1.0f, W = 1.0f
}, colorSpectrum.HsvColor);
});
}