private void AddDefaultPresets()
{
Gradient rainbow = new Gradient();
rainbow.Add(0, ColorBgra.Red);
rainbow.Add(1 / 6.0, ColorBgra.Orange);
rainbow.Add(1 / 3.0, ColorBgra.Yellow);
rainbow.Add(.5, ColorBgra.Lime);
rainbow.Add(2 / 3.0, ColorBgra.Blue);
rainbow.Add(5 / 6.0, ColorBgra.Indigo);
rainbow.Add(1, ColorBgra.Violet);
presetDropdown.AddPreset(new ConfigToken()
{
Gradient = rainbow
}, "Rainbow");
Gradient highcontrast = new Gradient();
highcontrast.Add(0.6, ColorBgra.Black);
highcontrast.Add(0.75, ColorBgra.White);
presetDropdown.AddPreset(new ConfigToken()
{
Gradient = highcontrast
}, "High Contrast");
Gradient hot = new Gradient();
hot.Add(0.2, ColorBgra.Black);
hot.Add(0.75, ColorBgra.Red);
hot.Add(0.95, ColorBgra.Yellow);
hot.Add(1, ColorBgra.White);
presetDropdown.AddPreset(new ConfigToken()
{
Gradient = hot
}, "Hot");
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
if (value is string)
{
var gradient = new Gradient();
string[] entries = ((string)value).Split(new[] { ListSeparator }, StringSplitOptions.None);
foreach (var entryText in entries)
{
var p = entryText.Split(new[] { EntrySeparator });
if (p.Length == 2)
{
var position = Convert.ToSingle(p[0], culture);
var color = (Color)TypeDescriptor.GetConverter(typeof(Color)).ConvertFromString(context, culture, p[1]);
var entry = new GradientEntry(position, color);
gradient.Add(entry);
}
}
return(gradient);
}
return(base.ConvertFrom(context, culture, value));
}
public bool SetCss(string css)
{
if (css == null)
{
return(true);
}
// Get rid of comments
css = _sCssComment.Replace(css, match => new string(match.Value
.Select(x => char.IsWhiteSpace(x) ? x : ' ')
.ToArray()));
var newColor = color;
var newEnableGradient = enableGradient;
var newGradient = new Gradient();
if (gradient != null)
{
foreach (var keyPoint in gradient)
{
newGradient.Add(keyPoint);
}
}
var newGradientAngle = gradientAngle;
var newBorderMode = borderMode;
var newBorderColor = borderColor;
var newBorderWidth = borderWidth;
var newCornerRadius = cornerRadius;
var valid = true;
var hasOpacity = false;
foreach (Match match in _sCssStatement.Matches(css))
{
var command = match.Groups["command"].Value;
var value = match.Groups["value"].Value;
switch (command)
{
case "background":
{
var colorMatch = _sCssColor.Match(value);
if (colorMatch.Success && colorMatch.Index == 0)
{
newColor = ParseColor(colorMatch, hasOpacity ? newColor.a : 1f);
newEnableGradient = false;
break;
}
var gradientMatch = _sCssLinearGradient.Match(value);
if (gradientMatch.Success && gradientMatch.Index == 0)
{
newColor = Color.white;
newGradientAngle = float.Parse(gradientMatch.Groups["angle"].Value);
newEnableGradient = true;
newGradient.Clear();
foreach (Capture capture in gradientMatch.Groups["point"].Captures)
{
var pointMatch = _sCssGradientPoint.Match(capture.Value);
newGradient.Add(new GradientKeyPoint
{
color = ParseColor(pointMatch.Groups["color"].Value),
progress = pointMatch.Groups["percent"].Success
? float.Parse(pointMatch.Groups["percent"].Value) / 100f : 0f
});
}
break;
}
valid = false;
break;
}
case "opacity":
{
float opacity;
if (float.TryParse(value, out opacity))
{
newColor.a = opacity;
hasOpacity = true;
break;
}
valid = false;
break;
}
case "border":
{
var borderMatch = _sCssBorder.Match(value);
if (borderMatch.Success && borderMatch.Index == 0)
{
newBorderMode = BorderMode.All;
newBorderColor = ParseColor(borderMatch.Groups["color"].Value);
newBorderWidth = ParsePixels(borderMatch.Groups["width"].Value);
valid = true;
break;
}
valid = false;
break;
}
case "border-radius":
{
var pixelsMatch = _sCssPixels.Match(value);
if (pixelsMatch.Success && pixelsMatch.Index == 0)
{
newCornerRadius = ParsePixels(pixelsMatch.Value);
valid = true;
break;
}
valid = false;
break;
}
}
}
if (valid)
{
color = newColor;
enableGradient = newEnableGradient;
gradientAngle = newGradientAngle;
borderMode = newBorderMode;
borderColor = newBorderColor;
borderWidth = newBorderWidth;
cornerRadius = newCornerRadius;
gradient = newGradient;
}
return(valid);
}
public void CopyFromLerped(RectStyle a, RectStyle b, float t)
{
color = Color.Lerp(a.color, b.color, t);
if ((a.gradient?.keyPointCount ?? 0) != (b.gradient?.keyPointCount ?? 0))
{
// TODO
}
else if (a.gradient != null && b.gradient != null && a.gradient.keyPointCount > 0)
{
gradientAngle = Mathf.LerpAngle(a.gradientAngle, b.gradientAngle, t);
if (gradient == null)
{
gradient = new Gradient();
}
else
{
gradient.Clear();
}
for (var i = 0; i < a.gradient.keyPointCount; ++i)
{
gradient.Add(new GradientKeyPoint
{
color = Color.Lerp(a.gradient[i].color, b.gradient[i].color, t),
progress = Mathf.Lerp(a.gradient[i].progress, b.gradient[i].progress, t)
});
}
}
enableGradient = a.enableGradient || b.enableGradient;
borderMode = a.borderMode | b.borderMode;
borderColor = a.HasBorder != b.HasBorder
? a.HasBorder
? a.borderColor
: b.borderColor
: Color.Lerp(a.borderColor, b.borderColor, t);
borderWidth = Mathf.Lerp(a.HasBorder ? a.borderWidth : 0f, b.HasBorder ? b.borderWidth : 0f, t);
cornerRadius = Mathf.Lerp(a.cornerRadius, b.cornerRadius, t);
var boxShadowColorA = a.enableBoxShadow ? a.boxShadowColor : b.boxShadowColor;
var boxShadowColorB = b.enableBoxShadow ? b.boxShadowColor : a.boxShadowColor;
if (!a.enableBoxShadow)
{
boxShadowColorA.a = 0f;
}
if (!b.enableBoxShadow)
{
boxShadowColorB.a = 0f;
}
enableBoxShadow = a.enableBoxShadow || b.enableBoxShadow;
boxShadowColor = Color.Lerp(boxShadowColorA, boxShadowColorB, t);
boxShadowBlurRadius = Mathf.Lerp(
a.enableBoxShadow ? a.boxShadowBlurRadius : b.boxShadowBlurRadius,
b.enableBoxShadow ? b.boxShadowBlurRadius : a.boxShadowBlurRadius, t);
boxShadowOffset = Vector2.Lerp(
a.enableBoxShadow ? a.boxShadowOffset : b.boxShadowOffset,
b.enableBoxShadow ? b.boxShadowOffset : a.boxShadowOffset, t);
boxShadowInner = Mathf.Lerp(
a.enableBoxShadow ? a.boxShadowInner : b.boxShadowInner,
b.enableBoxShadow ? b.boxShadowInner : a.boxShadowInner, t);
}