Initial Commit

lottie/parsers/sif/sif/frame_time.py

@@ -0,0 +1,46 @@
+import enum
+
+
+class FrameTime:
+    class Unit(enum.Enum):
+        Frame = "f"
+        Seconds = "s"
+
+    def __init__(self, value, unit):
+        self.value = value
+        self.unit = unit
+
+    def __eq__(self, other):
+        return self.value == other.value and self.unit == other.unit
+
+    def __ne__(self, other):
+        return self.value == other.value and self.unit == other.unit
+
+    def __str__(self):
+        return "%s%s" % (self.value, self.unit.value)
+
+    def __repr__(self):
+        return "<%s %s>" % (self.__class__.__name__, self)
+
+    @classmethod
+    def frame(cls, amount):
+        return cls(amount, cls.Unit.Frame)
+
+    @classmethod
+    def seconds(cls, amount):
+        return cls(amount, cls.Unit.Seconds)
+
+    @classmethod
+    def parse_string(cls, value_str, canvas):
+        if " " in value_str:
+            value = 0
+            unit = cls.Unit.Frame
+            for sub in value_str.split():
+                sv = float(sub[:-1])
+                if sub[-1] == "s":
+                    sv *= canvas.fps
+                value += sv
+        else:
+            value = float(value_str[:-1])
+            unit = cls.Unit(value_str[-1])
+        return FrameTime(value, unit)