Returns the lengthof a frame for this AVItem, in seconds. This is the reciprocal of frameRate. When set, the reciprocal is automatically set as a new frameR


Finds the specified keyframe or marker and returns its current value.If no keyframe or marker can be found that matches the argument, this method generates


Creates a new point text layer and adds the new TextLayer object to this collection.To create a paragraph box text layer, use the addBoxText method. For mor

CameraLayer object

The CameraLayer object represents a camera layer within a composition. Create it using the LayerCollection objectメs addCamera method; see LayerCollection a


Anarray containing each feather pointメs mask path segment number section of the mask path between vertices, numbered starting at 0 .NOTE: Values are stored


The in point of the layer, expressed in composition time seconds .Floating-point value in the range [-10800.0..10800.0] minus or plus three hours ; read/wri


The color tobe premultiplied. This attribute is valid only if the alphaMode is alphaMode.PREMULTIPLIED.Array of three floating-point values [R, G, B], in th


The text layerメs stroke thickness in pixels. NOTE: If the text layer has different stroke width settings for each character, this attribute returns the sett


The frame rate of the AVItem, in frames-per-second. This is the reciprocal of the frameDuration. When set, the reciprocal is automatically set as a new fram


Returns the index of the keyframe nearest to the specified time.time The time in seconds; a floating-point value. The beginning of the composition is 0.Inte