MediaPipeTasksVision Framework Reference

MPPTransformMatrix


@interface MPPTransformMatrix : NSObject

A matrix that can be used for tansformations.

  • The number of rows.

    Declaration

    Objective-C

    @property (nonatomic, readonly) NSUInteger rows;

  • The number of columns.

    Declaration

    Objective-C

    @property (nonatomic, readonly) NSUInteger columns;

  • The values of the transform matrix.

    Declaration

    Objective-C

    @property (nonatomic, readonly) float *_Nonnull data;

  • Creates a new MPPTransformMatrix.

    Declaration

    Objective-C

    - (nonnull instancetype)initWithData:(nonnull const float *)data
                                rows:(NSInteger)rows
                             columns:(NSInteger)columns;

    Parameters

    data

    Pointer to the memory location where the data is stored. The data is copied.
    rows

    The number of rows.
    columns

    The number of columns.

  • Undocumented

    Declaration

    Objective-C

    - (instancetype)init NS_UNAVAILABLE;

  • Returns the value located at the specified location. An NSRangeException is raised if the location is outside the range of the matrix.

    Declaration

    Objective-C

    - (float)valueAtRow:(NSUInteger)row column:(NSUInteger)column;

  • Undocumented

    Declaration

    Objective-C

    + (instancetype)new NS_UNAVAILABLE;