internal static GradientFill NewInstance(JsonObject json, LottieComposition composition)
{
var name = json.GetNamedString("nm");
var jsonColor = json.GetNamedObject("g", null);
if (jsonColor != null && jsonColor.ContainsKey("k"))
{
// This is a hack because the "p" value which contains the number of color points is outside
// of "k" which contains the useful data.
var points = (int)jsonColor.GetNamedNumber("p");
jsonColor = jsonColor.GetNamedObject("k");
try
{
jsonColor["p"] = JsonValue.CreateNumberValue(points);
}
catch (Exception)
{
// Do nothing. This shouldn't fail.
}
}
AnimatableGradientColorValue color = null;
if (jsonColor != null)
{
color = AnimatableGradientColorValue.Factory.NewInstance(jsonColor, composition);
}
var jsonOpacity = json.GetNamedObject("o", null);
AnimatableIntegerValue opacity = null;
if (jsonOpacity != null)
{
opacity = AnimatableIntegerValue.Factory.NewInstance(jsonOpacity, composition);
}
var fillTypeInt = (int)json.GetNamedNumber("r", 1);
var fillType = fillTypeInt == 1 ? PathFillType.Winding : PathFillType.EvenOdd;
var gradientTypeInt = (int)json.GetNamedNumber("t", 1);
var gradientType = gradientTypeInt == 1 ? GradientType.Linear : GradientType.Radial;
var jsonStartPoint = json.GetNamedObject("s", null);
AnimatablePointValue startPoint = null;
if (jsonStartPoint != null)
{
startPoint = AnimatablePointValue.Factory.NewInstance(jsonStartPoint, composition);
}
var jsonEndPoint = json.GetNamedObject("e", null);
AnimatablePointValue endPoint = null;
if (jsonEndPoint != null)
{
endPoint = AnimatablePointValue.Factory.NewInstance(jsonEndPoint, composition);
}
return(new GradientFill(name, gradientType, fillType, color, opacity, startPoint, endPoint, null, null));
}
internal static ShapeFill NewInstance(JsonObject json, LottieComposition composition)
{
AnimatableColorValue color = null;
bool fillEnabled;
AnimatableIntegerValue opacity = null;
var name = json.GetNamedString("nm");
var jsonColor = json.GetNamedObject("c", null);
if (jsonColor != null)
{
color = AnimatableColorValue.Factory.NewInstance(jsonColor, composition);
}
var jsonOpacity = json.GetNamedObject("o", null);
if (jsonOpacity != null)
{
opacity = AnimatableIntegerValue.Factory.NewInstance(jsonOpacity, composition);
}
fillEnabled = json.GetNamedBoolean("fillEnabled", false);
var fillTypeInt = (int)json.GetNamedNumber("r", 1);
var fillType = fillTypeInt == 1 ? PathFillType.Winding : PathFillType.EvenOdd;
return(new ShapeFill(name, fillEnabled, fillType, color, opacity));
}
private AnimatableTransform(AnimatablePathValue anchorPoint, IAnimatableValue <PointF> position, AnimatableScaleValue scale, AnimatableFloatValue rotation, AnimatableIntegerValue opacity)
{
AnchorPoint = anchorPoint;
Position = position;
Scale = scale;
Rotation = rotation;
Opacity = opacity;
}
private ShapeFill(string name, bool fillEnabled, PathFillType fillType, AnimatableColorValue color, AnimatableIntegerValue opacity)
{
Name = name;
_fillEnabled = fillEnabled;
FillType = fillType;
_color = color;
_opacity = opacity;
}
private AnimatableTransform(AnimatablePathValue anchorPoint, IAnimatableValue <Vector2?> position, AnimatableScaleValue scale, AnimatableFloatValue rotation, AnimatableIntegerValue opacity, AnimatableFloatValue startOpacity, AnimatableFloatValue endOpacity)
{
AnchorPoint = anchorPoint;
Position = position;
Scale = scale;
Rotation = rotation;
Opacity = opacity;
StartOpacity = startOpacity;
EndOpacity = endOpacity;
}
private ShapeStroke(string name, AnimatableFloatValue offset, IList <AnimatableFloatValue> lineDashPattern, AnimatableColorValue color, AnimatableIntegerValue opacity, AnimatableFloatValue width, LineCapType capType, LineJoinType joinType)
{
Name = name;
DashOffset = offset;
LineDashPattern = lineDashPattern;
Color = color;
Opacity = opacity;
Width = width;
CapType = capType;
JoinType = joinType;
}
private GradientFill(string name, GradientType gradientType, PathFillType fillType, AnimatableGradientColorValue gradientColor, AnimatableIntegerValue opacity, AnimatablePointValue startPoint, AnimatablePointValue endPoint, AnimatableFloatValue highlightLength, AnimatableFloatValue highlightAngle)
{
GradientType = gradientType;
FillType = fillType;
GradientColor = gradientColor;
Opacity = opacity;
StartPoint = startPoint;
EndPoint = endPoint;
Name = name;
HighlightLength = highlightLength;
HighlightAngle = highlightAngle;
}
private GradientStroke(string name, GradientType gradientType, AnimatableGradientColorValue gradientColor, AnimatableIntegerValue opacity, AnimatablePointValue startPoint, AnimatablePointValue endPoint, AnimatableFloatValue width, ShapeStroke.LineCapType capType, ShapeStroke.LineJoinType joinType, IList <AnimatableFloatValue> lineDashPattern, AnimatableFloatValue dashOffset)
{
Name = name;
GradientType = gradientType;
GradientColor = gradientColor;
Opacity = opacity;
StartPoint = startPoint;
EndPoint = endPoint;
Width = width;
CapType = capType;
JoinType = joinType;
LineDashPattern = lineDashPattern;
DashOffset = dashOffset;
}
internal static AnimatableTransform NewInstance(JsonObject json, LottieComposition composition)
{
AnimatablePathValue anchorPoint;
IAnimatableValue <PointF> position = null;
AnimatableScaleValue scale;
AnimatableFloatValue rotation = null;
AnimatableIntegerValue opacity;
var anchorJson = json.GetNamedObject("a", null);
if (anchorJson != null)
{
anchorPoint = new AnimatablePathValue(anchorJson["k"], composition);
}
else
{
// Cameras don't have an anchor point property. Although we don't support them, at least
// we won't crash.
Debug.WriteLine("Layer has no transform property. You may be using an unsupported " + "layer type such as a camera.", "LOTTIE");
anchorPoint = new AnimatablePathValue();
}
var positionJson = json.GetNamedObject("p", null);
if (positionJson != null)
{
position = AnimatablePathValue.CreateAnimatablePathOrSplitDimensionPath(positionJson, composition);
}
else
{
ThrowMissingTransform("position");
}
var scaleJson = json.GetNamedObject("s", null);
if (scaleJson != null)
{
scale = AnimatableScaleValue.Factory.NewInstance(scaleJson, composition);
}
else
{
// Somehow some community animations don't have scale in the transform.
scale = new AnimatableScaleValue(new List <IKeyframe <ScaleXy> >(), new ScaleXy());
}
var rotationJson = json.GetNamedObject("r", null);
if (rotationJson == null)
{
rotationJson = json.GetNamedObject("rz", null);
}
if (rotationJson != null)
{
rotation = AnimatableFloatValue.Factory.NewInstance(rotationJson, composition, false);
}
else
{
ThrowMissingTransform("rotation");
}
var opacityJson = json.GetNamedObject("o", null);
if (opacityJson != null)
{
opacity = AnimatableIntegerValue.Factory.NewInstance(opacityJson, composition);
}
else
{
// Somehow some community animations don't have opacity in the transform.
opacity = new AnimatableIntegerValue(new List <IKeyframe <int?> >(), 100);
}
return(new AnimatableTransform(anchorPoint, position, scale, rotation, opacity));
}
internal static GradientStroke NewInstance(JsonObject json, LottieComposition composition)
{
var name = json.GetNamedString("nm");
var jsonColor = json.GetNamedObject("g", null);
if (jsonColor != null && jsonColor.ContainsKey("k"))
{
jsonColor = jsonColor.GetNamedObject("k");
}
AnimatableGradientColorValue color = null;
if (jsonColor != null)
{
color = AnimatableGradientColorValue.Factory.NewInstance(jsonColor, composition);
}
var jsonOpacity = json.GetNamedObject("o", null);
AnimatableIntegerValue opacity = null;
if (jsonOpacity != null)
{
opacity = AnimatableIntegerValue.Factory.NewInstance(jsonOpacity, composition);
}
var gradientTypeInt = (int)json.GetNamedNumber("t", 1);
var gradientType = gradientTypeInt == 1 ? GradientType.Linear : GradientType.Radial;
var jsonStartPoint = json.GetNamedObject("s", null);
AnimatablePointValue startPoint = null;
if (jsonStartPoint != null)
{
startPoint = AnimatablePointValue.Factory.NewInstance(jsonStartPoint, composition);
}
var jsonEndPoint = json.GetNamedObject("e", null);
AnimatablePointValue endPoint = null;
if (jsonEndPoint != null)
{
endPoint = AnimatablePointValue.Factory.NewInstance(jsonEndPoint, composition);
}
var width = AnimatableFloatValue.Factory.NewInstance(json.GetNamedObject("w"), composition);
var capType = (ShapeStroke.LineCapType)(int)(json.GetNamedNumber("lc") - 1);
var joinType = (ShapeStroke.LineJoinType)(int)(json.GetNamedNumber("lj") - 1);
AnimatableFloatValue offset = null;
IList <AnimatableFloatValue> lineDashPattern = new List <AnimatableFloatValue>();
if (json.ContainsKey("d"))
{
var dashesJson = json.GetNamedArray("d");
for (var i = 0; i < dashesJson.Count; i++)
{
var dashJson = dashesJson[i].GetObject();
var n = dashJson.GetNamedString("n");
if (n.Equals("o"))
{
var value = dashJson.GetNamedObject("v");
offset = AnimatableFloatValue.Factory.NewInstance(value, composition);
}
else if (n.Equals("d") || n.Equals("g"))
{
var value = dashJson.GetNamedObject("v");
lineDashPattern.Add(AnimatableFloatValue.Factory.NewInstance(value, composition));
}
}
if (lineDashPattern.Count == 1)
{
// If there is only 1 value then it is assumed to be equal parts on and off.
lineDashPattern.Add(lineDashPattern[0]);
}
}
return(new GradientStroke(name, gradientType, color, opacity, startPoint, endPoint, width, capType, joinType, lineDashPattern, offset));
}
internal BaseStrokeContent(LottieDrawable lottieDrawable, BaseLayer layer, PenLineCap cap, PenLineJoin join, AnimatableIntegerValue opacity, AnimatableFloatValue width, IList <AnimatableFloatValue> dashPattern, AnimatableFloatValue offset)
{
_lottieDrawable = lottieDrawable;
Paint.Style = Paint.PaintStyle.Stroke;
Paint.StrokeCap = cap;
Paint.StrokeJoin = join;
_opacityAnimation = opacity.CreateAnimation();
_widthAnimation = width.CreateAnimation();
if (offset == null)
{
_dashPatternOffsetAnimation = null;
}
else
{
_dashPatternOffsetAnimation = offset.CreateAnimation();
}
_dashPatternAnimations = new List <IBaseKeyframeAnimation <float?> >(dashPattern.Count);
_dashPatternValues = new double[dashPattern.Count];
for (var i = 0; i < dashPattern.Count; i++)
{
_dashPatternAnimations.Add(dashPattern[i].CreateAnimation());
}
layer.AddAnimation(_opacityAnimation);
layer.AddAnimation(_widthAnimation);
for (var i = 0; i < _dashPatternAnimations.Count; i++)
{
layer.AddAnimation(_dashPatternAnimations[i]);
}
if (_dashPatternOffsetAnimation != null)
{
layer.AddAnimation(_dashPatternOffsetAnimation);
}
_opacityAnimation.ValueChanged += OnValueChanged;
_widthAnimation.ValueChanged += OnValueChanged;
for (var i = 0; i < dashPattern.Count; i++)
{
_dashPatternAnimations[i].ValueChanged += OnValueChanged;
}
if (_dashPatternOffsetAnimation != null)
{
_dashPatternOffsetAnimation.ValueChanged += OnValueChanged;
}
}
private Mask(MaskMode maskMode, AnimatableShapeValue maskPath, AnimatableIntegerValue opacity)
{
_maskMode = maskMode;
MaskPath = maskPath;
Opacity = opacity;
}
