SourceNode.Source

val ACCELERATION_FORWARD_IN_CENTIMETERS_PER_SECOND_SQUARED: SourceNode.Source

Signed component acceleration of the modeled stroke input pointer in the direction of its velocity in centimeters per second squared.

val ACCELERATION_FORWARD_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND_SQUARED: SourceNode.Source

Signed component of acceleration of the modeled stroke input in the direction of its velocity in multiples of the brush size per second squared. Note that this value doesn't take into account brush behaviors that offset the position of that visible point in the stroke.

val ACCELERATION_IN_CENTIMETERS_PER_SECOND_SQUARED: SourceNode.Source

Absolute acceleration of the modeled stroke input pointer in centimeters per second squared.

val ACCELERATION_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND_SQUARED: SourceNode.Source

Absolute acceleration of the modeled stroke input in multiples of the brush size per second squared. Note that this value doesn't take into account brush behaviors that offset the position of that visible point in the stroke.

val ACCELERATION_LATERAL_IN_CENTIMETERS_PER_SECOND_SQUARED: SourceNode.Source

Signed component of acceleration of the modeled stroke input pointer perpendicular to its velocity, rotated 90 degrees in the direction from the positive x-axis towards the positive y-axis, in centimeters per second squared.

val ACCELERATION_LATERAL_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND_SQUARED: SourceNode.Source

Signed component of acceleration of the modeled stroke input perpendicular to its velocity, rotated 90 degrees in the direction from the positive x-axis towards the positive y-axis, in multiples of the brush size per second squared. Note that this value doesn't take into account brush behaviors that offset the position of that visible point in the stroke.

val ACCELERATION_X_IN_CENTIMETERS_PER_SECOND_SQUARED: SourceNode.Source

Signed x component of the acceleration of the modeled stroke input pointer in centimeters per second squared.

val ACCELERATION_X_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND_SQUARED: SourceNode.Source

Signed x component of the acceleration of the modeled stroke input in multiples of the brush size per second squared. Note that this value doesn't take into account brush behaviors that offset the position of that visible point in the stroke.

val ACCELERATION_Y_IN_CENTIMETERS_PER_SECOND_SQUARED: SourceNode.Source

Signed y component of the acceleration of the modeled stroke input pointer in centimeters per second squared.

val ACCELERATION_Y_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND_SQUARED: SourceNode.Source

Signed y component of the acceleration of the modeled stroke input in multiples of the brush size per second squared. Note that this value doesn't take into account brush behaviors that offset the position of that visible point in the stroke.

val DIRECTION_ABOUT_ZERO_IN_RADIANS: SourceNode.Source

Angle of the modeled stroke input's current direction of travel in stroke coordinate space, normalized to the range (-π, π]. A value of 0 indicates the direction of the positive x-axis; a value of π/2 indicates the direction of the positive y-axis.

val DIRECTION_IN_RADIANS: SourceNode.Source

Angle of the modeled stroke input's current direction of travel in stroke coordinate space, normalized to the range [0, 2π). A value of 0 indicates the direction of the positive x-axis; a value of π/2 indicates the direction of the positive y-axis.

val DISTANCE_REMAINING_AS_FRACTION_OF_STROKE_LENGTH: SourceNode.Source

Distance from the current modeled input to the end of the stroke along the input path, as a fraction of the current total length of the stroke. This value changes for each input as inputs are added.

val DISTANCE_REMAINING_IN_MULTIPLES_OF_BRUSH_SIZE: SourceNode.Source

The distance left to be traveled from a given modeled input to the current last modeled input of the stroke in multiples of the brush size. This value changes for each input as the stroke is drawn.

val DISTANCE_TRAVELED_IN_CENTIMETERS: SourceNode.Source

Distance in centimeters traveled by the modeled stroke input pointer along the input path from the start of the stroke.

val DISTANCE_TRAVELED_IN_MULTIPLES_OF_BRUSH_SIZE: SourceNode.Source

Distance traveled by the inputs of the current stroke, starting at 0 at the first input, where one distance unit is equal to the brush size.

val NORMALIZED_DIRECTION_X: SourceNode.Source

Signed x component of the modeled stroke input's current direction of travel in stroke coordinate space, normalized to the range -1, 1.

val NORMALIZED_DIRECTION_Y: SourceNode.Source

Signed y component of the modeled stroke input's current direction of travel in stroke coordinate space, normalized to the range -1, 1.

val NORMALIZED_PRESSURE: SourceNode.Source

Stylus or touch pressure with values reported in the range 0, 1.

val ORIENTATION_ABOUT_ZERO_IN_RADIANS: SourceNode.Source

Stylus orientation with values reported in the range (-π, π].

val ORIENTATION_IN_RADIANS: SourceNode.Source

Stylus orientation with values reported in the range [0, 2π).

val PREDICTED_DISTANCE_TRAVELED_IN_CENTIMETERS: SourceNode.Source

Distance in centimeters alonge the input path from the real portion of the modeled stroke to this input. Zero for inputs before the predicted portion of the stroke.

val PREDICTED_DISTANCE_TRAVELED_IN_MULTIPLES_OF_BRUSH_SIZE: SourceNode.Source

Distance traveled by the inputs of the current prediction, starting at 0 at the last non-predicted input, in multiples of the brush size. Zero for inputs before the predicted portion of the stroke.

val PREDICTED_TIME_ELAPSED_IN_SECONDS: SourceNode.Source

Elapsed time of the prediction in seconds, starting at 0 at the last non-predicted input. Zero for inputs before the predicted portion of the stroke.

val SPEED_IN_CENTIMETERS_PER_SECOND: SourceNode.Source

Absolute speed of the modeled stroke input pointer in centimeters per second.

val SPEED_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND: SourceNode.Source

Absolute speed of the modeled stroke input in multiples of the brush size per second. Note that this value doesn't take into account brush behaviors that offset the position of the visual tip of the stroke.

val TILT_IN_RADIANS: SourceNode.Source

Stylus tilt with values reported in the range 0, π/2 radians.

val TILT_X_IN_RADIANS: SourceNode.Source

Stylus tilt along the x axis in the range -π/2, π/2, with a positive value corresponding to tilt toward the respective positive axis. In order for those values to be reported, both tilt and orientation have to be populated on the StrokeInput.

val TILT_Y_IN_RADIANS: SourceNode.Source

Stylus tilt along the y axis in the range -π/2, π/2, with a positive value corresponding to tilt toward the respective positive axis. In order for those values to be reported, both tilt and orientation have to be populated on the StrokeInput.

val TIME_FROM_INPUT_TO_STROKE_END_IN_SECONDS: SourceNode.Source

Time elapsed from the current modeled stroke input until the last input in the stroke.

val TIME_OF_INPUT_IN_SECONDS: SourceNode.Source

Time elapsed in seconds from between the start of the stroke and the current modeled stroke input. The value remains fixed for any given part of the stroke once drawn.

val TIME_SINCE_INPUT_IN_SECONDS: SourceNode.Source

Time elapsed in seconds since the modeled stroke input. This continues to increase even after all stroke inputs have completed, and can be used to drive stroke animations. This enumerators are only compatible with a SourceNode.sourceOutOfRangeBehavior of OutOfRange.CLAMP, to ensure that the animation will eventually end.

val TIME_SINCE_STROKE_END_IN_SECONDS: SourceNode.Source

Time elapsed since the final input of the stroke, or zero if the final input hasn't arrived yet. This can be used to drive wet-layer stroke animations that should occur after the final input. This source is only compatible with a SourceNode.sourceOutOfRangeBehavior of OutOfRange.CLAMP, to ensure that the animation will eventually end.

val VELOCITY_X_IN_CENTIMETERS_PER_SECOND: SourceNode.Source

Signed x component of the modeled stroke input pointer's velocity in centimeters per second.

val VELOCITY_X_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND: SourceNode.Source

Signed x component of the velocity of the modeled stroke input in multiples of the brush size per second. Note that this value doesn't take into account brush behaviors that offset the visible position of that point in the stroke.

val VELOCITY_Y_IN_CENTIMETERS_PER_SECOND: SourceNode.Source

Signed y component of the modeled stroke input pointer's velocity in centimeters per second.

val VELOCITY_Y_IN_MULTIPLES_OF_BRUSH_SIZE_PER_SECOND: SourceNode.Source

Signed y component of the velocity of the modeled stroke input in multiples of the brush size per second. Note that this value doesn't take into account brush behaviors that offset the visible position of that point in the stroke.

fun calculateMinimumRequiredVersion(): Version

Returns the minimum required Version for this Source.

By default, decoding a androidx.ink.brush.BrushFamily containing a Source with a minimum required version higher than Version.MAX_SUPPORTED will fail.