internal static Mask Parse(JsonReader reader, LottieComposition composition)
{
var maskMode = Mask.MaskMode.MaskModeAdd;
AnimatableShapeValue maskPath = null;
AnimatableIntegerValue opacity = null;
reader.BeginObject();
while (reader.HasNext())
{
var mode = reader.NextName();
switch (mode)
{
case "mode":
switch (reader.NextString())
{
case "a":
maskMode = Mask.MaskMode.MaskModeAdd;
break;
case "s":
maskMode = Mask.MaskMode.MaskModeSubtract;
break;
case "i":
composition.AddWarning(
"Animation contains intersect masks. They are not supported but will be treated like add masks.");
maskMode = Mask.MaskMode.MaskModeIntersect;
break;
default:
Debug.WriteLine($"Unknown mask mode {mode}. Defaulting to Add.", LottieLog.Tag);
maskMode = Mask.MaskMode.MaskModeAdd;
break;
}
break;
case "pt":
maskPath = AnimatableValueParser.ParseShapeData(reader, composition);
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
return(new Mask(maskMode, maskPath, opacity));
}
internal static ShapeFill Parse(JsonReader reader, LottieComposition composition)
{
AnimatableColorValue color = null;
bool fillEnabled = false;
AnimatableIntegerValue opacity = null;
string name = null;
int fillTypeInt = 1;
bool hidden = false;
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
name = reader.NextString();
break;
case "c":
color = AnimatableValueParser.ParseColor(reader, composition);
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
case "fillEnabled":
fillEnabled = reader.NextBoolean();
break;
case "r":
fillTypeInt = reader.NextInt();
break;
case "hd":
hidden = reader.NextBoolean();
break;
default:
reader.SkipValue();
break;
}
}
var fillType = fillTypeInt == 1 ? SKPathFillType.Winding : SKPathFillType.EvenOdd;
return(new ShapeFill(name, fillEnabled, fillType, color, opacity, hidden));
}
internal static ShapeStroke Parse(JsonReader reader, LottieComposition composition)
{
string name = null;
AnimatableColorValue color = null;
AnimatableFloatValue width = null;
AnimatableIntegerValue opacity = null;
ShapeStroke.LineCapType capType = ShapeStroke.LineCapType.Unknown;
ShapeStroke.LineJoinType joinType = ShapeStroke.LineJoinType.Round;
AnimatableFloatValue offset = null;
float miterLimit = 0f;
List <AnimatableFloatValue> lineDashPattern = new List <AnimatableFloatValue>();
bool hidden = false;
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
name = reader.NextString();
break;
case "c":
color = AnimatableValueParser.ParseColor(reader, composition);
break;
case "w":
width = AnimatableValueParser.ParseFloat(reader, composition);
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
case "lc":
capType = (ShapeStroke.LineCapType)(reader.NextInt() - 1);
break;
case "lj":
joinType = (ShapeStroke.LineJoinType)(reader.NextInt() - 1);
break;
case "ml":
miterLimit = reader.NextDouble();
break;
case "d":
reader.BeginArray();
while (reader.HasNext())
{
String n = null;
AnimatableFloatValue val = null;
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "n":
n = reader.NextString();
break;
case "v":
val = AnimatableValueParser.ParseFloat(reader, composition);
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
switch (n)
{
case "o":
offset = val;
break;
case "d":
case "g":
lineDashPattern.Add(val);
break;
}
}
reader.EndArray();
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]);
}
break;
case "hd":
hidden = reader.NextBoolean();
break;
default:
reader.SkipValue();
break;
}
}
return(new ShapeStroke(name, offset, lineDashPattern, color, opacity, width, capType, joinType, miterLimit, hidden));
}
internal static GradientStroke Parse(JsonReader reader, LottieComposition composition)
{
string name = null;
AnimatableGradientColorValue color = null;
AnimatableIntegerValue opacity = null;
var gradientType = GradientType.Linear;
AnimatablePointValue startPoint = null;
AnimatablePointValue endPoint = null;
AnimatableFloatValue width = null;
var capType = ShapeStroke.LineCapType.Unknown;
var joinType = ShapeStroke.LineJoinType.Round;
AnimatableFloatValue offset = null;
var miterLimit = 0f;
var lineDashPattern = new List <AnimatableFloatValue>();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
name = reader.NextString();
break;
case "g":
var points = -1;
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "p":
points = reader.NextInt();
break;
case "k":
color = AnimatableValueParser.ParseGradientColor(reader, composition, points);
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
case "t":
gradientType = reader.NextInt() == 1 ? GradientType.Linear : GradientType.Radial;
break;
case "s":
startPoint = AnimatableValueParser.ParsePoint(reader, composition);
break;
case "e":
endPoint = AnimatableValueParser.ParsePoint(reader, composition);
break;
case "w":
width = AnimatableValueParser.ParseFloat(reader, composition);
break;
case "lc":
capType = (ShapeStroke.LineCapType)(reader.NextInt() - 1);
break;
case "lj":
joinType = (ShapeStroke.LineJoinType)(reader.NextInt() - 1);
break;
case "ml":
miterLimit = reader.NextDouble();
break;
case "d":
reader.BeginArray();
while (reader.HasNext())
{
string n = null;
AnimatableFloatValue val = null;
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "n":
n = reader.NextString();
break;
case "v":
val = AnimatableValueParser.ParseFloat(reader, composition);
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
if (n.Equals("o"))
{
offset = val;
}
else if (n.Equals("d") || n.Equals("g"))
{
lineDashPattern.Add(val);
}
}
reader.EndArray();
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]);
}
break;
default:
reader.SkipValue();
break;
}
}
return(new GradientStroke(
name, gradientType, color, opacity, startPoint, endPoint, width, capType, joinType,
miterLimit, lineDashPattern, offset));
}
public static AnimatableTransform Parse(JsonReader reader, LottieComposition composition)
{
AnimatablePathValue anchorPoint = null;
IAnimatableValue <Vector2?, Vector2?> position = null;
AnimatableScaleValue scale = null;
AnimatableFloatValue rotation = null;
AnimatableIntegerValue opacity = null;
AnimatableFloatValue startOpacity = null;
AnimatableFloatValue endOpacity = null;
bool isObject = reader.Peek() == JsonToken.StartObject;
if (isObject)
{
reader.BeginObject();
}
while (reader.HasNext())
{
switch (reader.NextName())
{
case "a":
reader.BeginObject();
while (reader.HasNext())
{
if (reader.NextName().Equals("k"))
{
anchorPoint = AnimatablePathValueParser.Parse(reader, composition);
}
else
{
reader.SkipValue();
}
}
reader.EndObject();
break;
case "p":
position = AnimatablePathValueParser.ParseSplitPath(reader, composition);
break;
case "s":
scale = AnimatableValueParser.ParseScale(reader, composition);
break;
case "rz":
composition.AddWarning("Lottie doesn't support 3D layers.");
rotation = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "r":
rotation = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
case "so":
startOpacity = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "eo":
endOpacity = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
default:
reader.SkipValue();
break;
}
}
if (isObject)
{
reader.EndObject();
}
if (anchorPoint == null)
{
// 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.", LottieLog.Tag);
anchorPoint = new AnimatablePathValue();
}
if (scale == null)
{
// Somehow some community animations don't have scale in the transform.
scale = new AnimatableScaleValue(new ScaleXy(1f, 1f));
}
if (opacity == null)
{
// Repeaters have start/end opacity instead of opacity
opacity = new AnimatableIntegerValue();
}
return(new AnimatableTransform(
anchorPoint, position, scale, rotation, opacity, startOpacity, endOpacity));
}
internal static GradientFill Parse(JsonReader reader, LottieComposition composition)
{
string name = null;
AnimatableGradientColorValue color = null;
AnimatableIntegerValue opacity = null;
var gradientType = GradientType.Linear;
AnimatablePointValue startPoint = null;
AnimatablePointValue endPoint = null;
var fillType = PathFillType.EvenOdd;
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
name = reader.NextString();
break;
case "g":
var points = -1;
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "p":
points = reader.NextInt();
break;
case "k":
color = AnimatableValueParser.ParseGradientColor(reader, composition, points);
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
break;
case "o":
opacity = AnimatableValueParser.ParseInteger(reader, composition);
break;
case "t":
gradientType = reader.NextInt() == 1 ? GradientType.Linear : GradientType.Radial;
break;
case "s":
startPoint = AnimatableValueParser.ParsePoint(reader, composition);
break;
case "e":
endPoint = AnimatableValueParser.ParsePoint(reader, composition);
break;
case "r":
fillType = reader.NextInt() == 1 ? PathFillType.Winding : PathFillType.EvenOdd;
break;
default:
reader.SkipValue();
break;
}
}
return(new GradientFill(
name, gradientType, fillType, color, opacity, startPoint, endPoint, null, null));
}