public Layer(List <IContentModel> shapes, LottieComposition composition, string layerName, long layerId, LayerType layerType, long parentId, string refId, List <Mask> masks, AnimatableTransform transform, int solidWidth, int solidHeight, Color solidColor, float timeStretch, float startFrame, int preCompWidth, int preCompHeight, AnimatableTextFrame text, AnimatableTextProperties textProperties, List <Keyframe <float?> > inOutKeyframes, MatteType matteType, AnimatableFloatValue timeRemapping)
{
_shapes = shapes;
_composition = composition;
Name = layerName;
Id = layerId;
_layerType = layerType;
ParentId = parentId;
RefId = refId;
Masks = masks;
Transform = transform;
SolidWidth = solidWidth;
SolidHeight = solidHeight;
SolidColor = solidColor;
TimeStretch = timeStretch;
StartFrame = startFrame;
PreCompWidth = preCompWidth;
PreCompHeight = preCompHeight;
Text = text;
TextProperties = textProperties;
InOutKeyframes = inOutKeyframes;
_matteType = matteType;
TimeRemapping = timeRemapping;
}
internal BaseStrokeContent(ILottieDrawable lottieDrawable, BaseLayer layer, SKStrokeCap cap, SKStrokeJoin join, float miterLimit, AnimatableIntegerValue opacity, AnimatableFloatValue width, List <AnimatableFloatValue> dashPattern, AnimatableFloatValue offset)
{
_lottieDrawable = lottieDrawable;
_layer = layer;
Paint.Style = SKPaintStyle.Stroke;
Paint.StrokeCap = cap;
Paint.StrokeJoin = join;
Paint.StrokeMiter = miterLimit;
_opacityAnimation = opacity.CreateAnimation();
_widthAnimation = width.CreateAnimation();
if (offset == null)
{
_dashPatternOffsetAnimation = null;
}
else
{
_dashPatternOffsetAnimation = offset.CreateAnimation();
}
_dashPatternAnimations = new List <IBaseKeyframeAnimation <float?, float?> >(dashPattern.Count);
_dashPatternValues = new float[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;
}
}
public RectangleShape(string name, IAnimatableValue <Vector2?, Vector2?> position, AnimatablePointValue size, AnimatableFloatValue cornerRadius)
{
Name = name;
_position = position;
_size = size;
_cornerRadius = cornerRadius;
}
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 ShapeTrimPath(string name, Type type, AnimatableFloatValue start, AnimatableFloatValue end, AnimatableFloatValue offset)
{
Name = name;
_type = type;
_start = start;
_end = end;
_offset = offset;
}
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>();
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;
default:
reader.SkipValue();
break;
}
}
return(new ShapeStroke(name, offset, lineDashPattern, color, opacity, width, capType, joinType, miterLimit));
}
public AnimatableTextProperties(AnimatableColorValue color, AnimatableColorValue stroke, AnimatableFloatValue strokeWidth, AnimatableFloatValue tracking)
{
_color = color;
_stroke = stroke;
_strokeWidth = strokeWidth;
_tracking = tracking;
}
internal static PolystarShape Parse(JsonReader reader, LottieComposition composition)
{
string name = null;
PolystarShape.Type type = PolystarShape.Type.Polygon;
AnimatableFloatValue points = null;
IAnimatableValue <Vector2?, Vector2?> position = null;
AnimatableFloatValue rotation = null;
AnimatableFloatValue outerRadius = null;
AnimatableFloatValue outerRoundedness = null;
AnimatableFloatValue innerRadius = null;
AnimatableFloatValue innerRoundedness = null;
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
name = reader.NextString();
break;
case "sy":
type = (PolystarShape.Type)reader.NextInt();
break;
case "pt":
points = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "p":
position = AnimatablePathValueParser.ParseSplitPath(reader, composition);
break;
case "r":
rotation = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "or":
outerRadius = AnimatableValueParser.ParseFloat(reader, composition);
break;
case "os":
outerRoundedness = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "ir":
innerRadius = AnimatableValueParser.ParseFloat(reader, composition);
break;
case "is":
innerRoundedness = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
default:
reader.SkipValue();
break;
}
}
return(new PolystarShape(name, type, points, position, rotation, innerRadius, outerRadius, innerRoundedness, outerRoundedness));
}
public ShapeStroke(string name, AnimatableFloatValue offset, List <AnimatableFloatValue> lineDashPattern, AnimatableColorValue color, AnimatableIntegerValue opacity, AnimatableFloatValue width, LineCapType capType, LineJoinType joinType, float miterLimit, bool hidden)
{
Name = name;
DashOffset = offset;
LineDashPattern = lineDashPattern;
Color = color;
Opacity = opacity;
Width = width;
CapType = capType;
JoinType = joinType;
MiterLimit = miterLimit;
IsHidden = hidden;
}
public GradientStroke(string name, GradientType gradientType, AnimatableGradientColorValue gradientColor, AnimatableIntegerValue opacity, AnimatablePointValue startPoint, AnimatablePointValue endPoint, AnimatableFloatValue width, ShapeStroke.LineCapType capType, ShapeStroke.LineJoinType joinType, float miterLimit, List <AnimatableFloatValue> lineDashPattern, AnimatableFloatValue dashOffset)
{
Name = name;
GradientType = gradientType;
GradientColor = gradientColor;
Opacity = opacity;
StartPoint = startPoint;
EndPoint = endPoint;
Width = width;
CapType = capType;
JoinType = joinType;
MiterLimit = miterLimit;
LineDashPattern = lineDashPattern;
DashOffset = dashOffset;
}
public RectangleShape(string name, IAnimatableValue <Vector2?, Vector2?> position, AnimatablePointValue size, AnimatableFloatValue cornerRadius)
{
Name = name;
Position = position;
Size = size;
CornerRadius = cornerRadius;
IsHidden = hidden;
}
public ShapeTrimPath(string name, Type type, AnimatableFloatValue start, AnimatableFloatValue end, AnimatableFloatValue offset, bool hidden)
{
Name = name;
_type = type;
Start = start;
End = end;
Offset = offset;
IsHidden = hidden;
}
public 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;
}
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;
AnimatableFloatValue highlightAngle = null;
AnimatableFloatValue highlightLength = null;
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;
case "h":
highlightLength = AnimatableValueParser.ParseFloat(reader, composition);
break;
case "a":
highlightAngle = AnimatableValueParser.ParseFloat(reader, composition);
break;
default:
reader.SkipValue();
break;
}
}
return(new GradientFill(
name, gradientType, fillType, color, opacity, startPoint, endPoint, highlightLength, highlightAngle));
}
/// <summary>
/// Returns either an <see cref="AnimatablePathValue" /> or an <see cref="AnimatableSplitDimensionPathValue" />.
/// </summary>
/// <param name="reader"></param>
/// <param name="composition"></param>
/// <returns></returns>
internal static IAnimatableValue <Vector?, Vector?> ParseSplitPath(JsonReader reader,
LottieComposition composition)
{
AnimatablePathValue pathAnimation = null;
AnimatableFloatValue xAnimation = null;
AnimatableFloatValue yAnimation = null;
var hasExpressions = false;
reader.BeginObject();
while (reader.Peek() != JsonToken.EndObject)
{
switch (reader.NextName())
{
case "k":
pathAnimation = Parse(reader, composition);
break;
case "x":
if (reader.Peek() == JsonToken.String)
{
hasExpressions = true;
reader.SkipValue();
}
else
{
xAnimation = AnimatableValueParser.ParseFloat(reader, composition);
}
break;
case "y":
if (reader.Peek() == JsonToken.String)
{
hasExpressions = true;
reader.SkipValue();
}
else
{
yAnimation = AnimatableValueParser.ParseFloat(reader, composition);
}
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
if (hasExpressions)
{
composition.AddWarning("Lottie doesn't support expressions.");
}
if (pathAnimation != null)
{
return(pathAnimation);
}
return(new AnimatableSplitDimensionPathValue(xAnimation, yAnimation));
}
public PolystarShape(string name, Type type, AnimatableFloatValue points, IAnimatableValue <Vector2?, Vector2?> position, AnimatableFloatValue rotation, AnimatableFloatValue innerRadius, AnimatableFloatValue outerRadius, AnimatableFloatValue innerRoundedness, AnimatableFloatValue outerRoundedness, bool hidden)
{
Name = name;
_type = type;
Points = points;
Position = position;
Rotation = rotation;
InnerRadius = innerRadius;
OuterRadius = outerRadius;
InnerRoundedness = innerRoundedness;
OuterRoundedness = outerRoundedness;
IsHidden = hidden;
}
public static Layer Parse(JsonReader reader, LottieComposition composition)
{
// This should always be set by After Effects. However, if somebody wants to minify
// and optimize their json, the name isn't critical for most cases so it can be removed.
string layerName = "UNSET";
Layer.LayerType layerType = Layer.LayerType.Unknown;
string refId = null;
long layerId = 0;
int solidWidth = 0;
int solidHeight = 0;
Color solidColor;
int preCompWidth = 0;
int preCompHeight = 0;
long parentId = -1;
float timeStretch = 1f;
float startFrame = 0f;
float inFrame = 0f;
float outFrame = 0f;
string cl = null;
bool hidden = false;
Layer.MatteType matteType = Layer.MatteType.None;
AnimatableTransform transform = null;
AnimatableTextFrame text = null;
AnimatableTextProperties textProperties = null;
AnimatableFloatValue timeRemapping = null;
List <Mask> masks = new List <Mask>();
List <IContentModel> shapes = new List <IContentModel>();
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
layerName = reader.NextString();
break;
case "ind":
layerId = reader.NextInt();
break;
case "refId":
refId = reader.NextString();
break;
case "ty":
int layerTypeInt = reader.NextInt();
if (layerTypeInt < (int)Layer.LayerType.Unknown)
{
layerType = (Layer.LayerType)layerTypeInt;
}
else
{
layerType = Layer.LayerType.Unknown;
}
break;
case "parent":
parentId = reader.NextInt();
break;
case "sw":
solidWidth = (int)(reader.NextInt() * Utils.Utils.DpScale());
break;
case "sh":
solidHeight = (int)(reader.NextInt() * Utils.Utils.DpScale());
break;
case "sc":
solidColor = Utils.Utils.GetSolidColorBrush(reader.NextString());
break;
case "ks":
transform = AnimatableTransformParser.Parse(reader, composition);
break;
case "tt":
matteType = (Layer.MatteType)reader.NextInt();
break;
case "masksProperties":
reader.BeginArray();
while (reader.HasNext())
{
masks.Add(MaskParser.Parse(reader, composition));
}
reader.EndArray();
break;
case "shapes":
reader.BeginArray();
while (reader.HasNext())
{
var shape = ContentModelParser.Parse(reader, composition);
if (shape != null)
{
shapes.Add(shape);
}
}
reader.EndArray();
break;
case "t":
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "d":
text = AnimatableValueParser.ParseDocumentData(reader, composition);
break;
case "a":
reader.BeginArray();
if (reader.HasNext())
{
textProperties = AnimatableTextPropertiesParser.Parse(reader, composition);
}
while (reader.HasNext())
{
reader.SkipValue();
}
reader.EndArray();
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
break;
case "ef":
reader.BeginArray();
List <string> effectNames = new List <string>();
while (reader.HasNext())
{
reader.BeginObject();
while (reader.HasNext())
{
switch (reader.NextName())
{
case "nm":
effectNames.Add(reader.NextString());
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
}
reader.EndArray();
composition.AddWarning("Lottie doesn't support layer effects. If you are using them for " +
" fills, strokes, trim paths etc. then try adding them directly as contents " +
" in your shape. Found: " + effectNames);
break;
case "sr":
timeStretch = reader.NextDouble();
break;
case "st":
startFrame = reader.NextDouble();
break;
case "w":
preCompWidth = (int)(reader.NextInt() * Utils.Utils.DpScale());
break;
case "h":
preCompHeight = (int)(reader.NextInt() * Utils.Utils.DpScale());
break;
case "ip":
inFrame = reader.NextDouble();
break;
case "op":
outFrame = reader.NextDouble();
break;
case "tm":
timeRemapping = AnimatableValueParser.ParseFloat(reader, composition, false);
break;
case "cl":
cl = reader.NextString();
break;
case "hd":
hidden = reader.NextBoolean();
break;
default:
reader.SkipValue();
break;
}
}
reader.EndObject();
// Bodymovin pre-scales the in frame and out frame by the time stretch. However, that will
// cause the stretch to be double counted since the in out animation gets treated the same
// as all other animations and will have stretch applied to it again.
inFrame /= timeStretch;
outFrame /= timeStretch;
List <Keyframe <float?> > inOutKeyframes = new List <Keyframe <float?> >();
// Before the in frame
if (inFrame > 0)
{
Keyframe <float?> preKeyframe = new Keyframe <float?>(composition, 0f, 0f, null, 0f, inFrame);
inOutKeyframes.Add(preKeyframe);
}
// The + 1 is because the animation should be visible on the out frame itself.
outFrame = (outFrame > 0 ? outFrame : composition.EndFrame);
Keyframe <float?> visibleKeyframe = new Keyframe <float?>(composition, 1f, 1f, null, inFrame, outFrame);
inOutKeyframes.Add(visibleKeyframe);
Keyframe <float?> outKeyframe = new Keyframe <float?>(composition, 0f, 0f, null, outFrame, float.MaxValue);
inOutKeyframes.Add(outKeyframe);
if (layerName.EndsWith(".ai") || "ai".Equals(cl))
{
composition.AddWarning("Convert your Illustrator layers to shape layers.");
}
return(new Layer(shapes, composition, layerName, layerId, layerType, parentId, refId, masks, transform, solidWidth, solidHeight, solidColor, timeStretch, startFrame, preCompWidth, preCompHeight, text, textProperties, inOutKeyframes, matteType, timeRemapping, hidden));
}
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;
var 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);
if (rotation.Keyframes.Count == 0)
{
rotation.Keyframes.Add(new Keyframe <float?>(composition, 0f, 0f, null, 0f, composition.EndFrame));
}
else if (rotation.Keyframes[0].StartValue == null)
{
rotation.Keyframes[0] = new Keyframe <float?>(composition, 0f, 0f, null, 0f, composition.EndFrame);
}
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 Layer NewInstance(JsonObject json, LottieComposition composition)
{
var layerName = json.GetNamedString("nm");
var refId = json.GetNamedString("refId", string.Empty);
if (layerName.EndsWith(".ai") || json.GetNamedString("cl", "").Equals("ai"))
{
composition.AddWarning("Convert your Illustrator layers to shape layers.");
}
var layerId = (long)json.GetNamedNumber("ind");
var solidWidth = 0;
var solidHeight = 0;
Color solidColor;
var preCompWidth = 0;
var preCompHeight = 0;
LayerType layerType;
var layerTypeInt = (int)json.GetNamedNumber("ty", -1);
if (layerTypeInt < (int)LayerType.Unknown)
{
layerType = (LayerType)layerTypeInt;
}
else
{
layerType = LayerType.Unknown;
}
if (layerType == LayerType.Text && !Utils.Utils.IsAtLeastVersion(composition, 4, 8, 0))
{
layerType = LayerType.Unknown;
composition.AddWarning("Text is only supported on bodymovin >= 4.8.0");
}
var parentId = (long)json.GetNamedNumber("parent", -1);
if (layerType == LayerType.Solid)
{
solidWidth = (int)(json.GetNamedNumber("sw") * composition.DpScale);
solidHeight = (int)(json.GetNamedNumber("sh") * composition.DpScale);
solidColor = Utils.Utils.GetSolidColorBrush(json.GetNamedString("sc"));
Debug.WriteLine("\tSolid=" + string.Format("{0:X}", solidColor) + " " + solidWidth + "x" + solidHeight + " " + composition.Bounds, Tag);
}
var transform = AnimatableTransform.Factory.NewInstance(json.GetNamedObject("ks"), composition);
var matteType = (MatteType)(int)json.GetNamedNumber("tt", 0);
var masks = new List <Mask>();
var inOutKeyframes = new List <IKeyframe <float?> >();
var jsonMasks = json.GetNamedArray("masksProperties", null);
if (jsonMasks != null)
{
for (var i = 0; i < jsonMasks.Count; i++)
{
var mask = Mask.Factory.NewMask(jsonMasks[i].GetObject(), composition);
masks.Add(mask);
}
}
var shapes = new List <IContentModel>();
var shapesJson = json.GetNamedArray("shapes", null);
if (shapesJson != null)
{
for (var i = 0; i < shapesJson.Count; i++)
{
var shape = ShapeGroup.ShapeItemWithJson(shapesJson[i].GetObject(), composition);
if (shape != null)
{
shapes.Add(shape);
}
}
}
AnimatableTextFrame text = null;
AnimatableTextProperties textProperties = null;
var textJson = json.GetNamedObject("t", null);
if (textJson != null)
{
text = AnimatableTextFrame.Factory.NewInstance(textJson.GetNamedObject("d", null), composition);
var namedArray = textJson.GetNamedArray("a", null);
var propertiesJson = namedArray?.Count > 0 ? namedArray.GetObjectAt(0) : null;
textProperties = AnimatableTextProperties.Factory.NewInstance(propertiesJson, composition);
}
if (json.ContainsKey("ef"))
{
composition.AddWarning("Lottie doesn't support layer effects. If you are using them for " +
" fills, strokes, trim paths etc. then try adding them directly as contents " +
" in your shape.");
}
var timeStretch = (float)json.GetNamedNumber("sr", 1.0);
var startFrame = (float)json.GetNamedNumber("st");
var frames = composition.DurationFrames;
var startProgress = startFrame / frames;
if (layerType == LayerType.PreComp)
{
preCompWidth = (int)(json.GetNamedNumber("w") * composition.DpScale);
preCompHeight = (int)(json.GetNamedNumber("h") * composition.DpScale);
}
// Bodymovin pre-scales the in frame and out frame by the time stretch. However, that will
// cause the stretch to be double counted since the in out animation gets treated the same
// as all other animations and will have stretch applied to it again.
var inFrame = (float)json.GetNamedNumber("ip") / timeStretch;
var outFrame = (float)json.GetNamedNumber("op") / timeStretch;
// Before the in frame
if (inFrame > 0)
{
var preKeyframe = new Keyframe <float?>(composition, 0f, 0f, null, 0f, inFrame);
inOutKeyframes.Add(preKeyframe);
}
// The + 1 is because the animation should be visible on the out frame itself.
outFrame = outFrame > 0 ? outFrame : composition.EndFrame + 1;
var visibleKeyframe = new Keyframe <float?>(composition, 1f, 1f, null, inFrame, outFrame);
inOutKeyframes.Add(visibleKeyframe);
var outKeyframe = new Keyframe <float?>(composition, 0f, 0f, null, outFrame, float.MaxValue);
inOutKeyframes.Add(outKeyframe);
AnimatableFloatValue timeRemapping = null;
if (json.ContainsKey("tm"))
{
timeRemapping = AnimatableFloatValue.Factory.NewInstance(json.GetNamedObject("tm", null), composition, false);
}
return(new Layer(shapes, composition, layerName, layerId, layerType, parentId, refId, masks, transform, solidWidth, solidHeight, solidColor, timeStretch, startProgress, preCompWidth, preCompHeight, text, textProperties, inOutKeyframes, matteType, timeRemapping));
}
