Package com.microblink.blinkid.geometry

Class Quadrilateral

java.lang.Object
com.microblink.blinkid.geometry.Quadrilateral
All Implemented Interfaces:
android.os.Parcelable
public class Quadrilateral extends Object implements android.os.Parcelable

  • Nested Class Summary

    Nested classes/interfaces inherited from interface android.os.Parcelable

    android.os.Parcelable.ClassLoaderCreator<T extends Object>, android.os.Parcelable.Creator<T extends Object>

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final android.os.Parcelable.Creator<Quadrilateral>
    CREATOR
     

    Fields inherited from interface android.os.Parcelable

    CONTENTS_FILE_DESCRIPTOR, PARCELABLE_WRITE_RETURN_VALUE

  • Constructor Summary

    Constructors
    Modifier
    Constructor
    Description
     
    Quadrilateral()
     
     
    Quadrilateral(float[] points)
    Constructor from float array.
     
    Quadrilateral(int top, int bottom, int left, int right, int hostActivityOrientation)
     
    protected
    Quadrilateral(android.os.Parcel in)
     
     
    Quadrilateral(Point uleft, Point uright, Point lleft, Point lright)
     

  • Method Summary

    Modifier and Type
    Method
    Description
    Quadrilateral
    clone()
     
    int
    describeContents()
     
    int
    getColor()
     
    Point
    getLowerLeft()
    Returns the point nearest to (0, height) coordinate
    Point
    getLowerRight()
    Returns the point nearest to (width, height) coordinate
    Quadrilateral
    getSortedQuad()
    Returns the Quadrilateral which has same corners as original, but it guarantees that upper left point is the point nearest to (0,0) coordinate.
    Point
    getUpperLeft()
    Returns the point nearest to (0, 0) coordinate.
    Point
    getUpperRight()
    Returns the point nearest to (width, 0) coordinate
    boolean
    isDefaultQuad()
     
    boolean
    isEmpty()
    Returns true if quadrilateral is empty, i.e.
    boolean
    matchesMargins(int top, int bottom, int left, int right, int hostActivityOrientation)
     
    void
    mirror(int canvasWidth, int canvasHeight, int hostActivityOrientation)
    Mirrors the quadrangle so that it can be properly drawn on mirrored camera preview
    void
    setColor(int color)
     
    void
    setIsDefaultQuad(boolean defaultQuad)
     
    void
    setMargins(int top, int bottom, int left, int right, int hostActivityOrientation)
     
    void
    setPoints(Point uleft, Point uright, Point lleft, Point lright)
     
    void
    toFloatArray(float[] arr)
    Converts this quadrilateral to array of float points.
    String
    toString()
     
    void
    writeToParcel(android.os.Parcel dest, int flags)
     

    Methods inherited from class java.lang.Object

    equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

  • Field Details

    • CREATOR

      @NonNull public static final android.os.Parcelable.Creator<Quadrilateral> CREATOR

  • Constructor Details

    • Quadrilateral

      public Quadrilateral(int top, int bottom, int left, int right, int hostActivityOrientation)

    • Quadrilateral

      public Quadrilateral()

    • Quadrilateral

      public Quadrilateral(@NonNull Point uleft, @NonNull Point uright, @NonNull Point lleft, @NonNull Point lright)

    • Quadrilateral

      public Quadrilateral(@Size(8L) @NonNull float[] points)
      Constructor from float array. The points are represented as pairs (x,y) in clockwise order: upper left, upper right, lower right, lower left
      Parameters:
      points - float pairs representing quadrilateral points

    • Quadrilateral

      protected Quadrilateral(@NonNull android.os.Parcel in)

  • Method Details

    • setMargins

      public void setMargins(int top, int bottom, int left, int right, int hostActivityOrientation)

    • matchesMargins

      public boolean matchesMargins(int top, int bottom, int left, int right, int hostActivityOrientation)

    • isEmpty

      public boolean isEmpty()
      Returns true if quadrilateral is empty, i.e. all 4 points have coordinates (0,0).
      Returns:
      true if quadrilateral is empty, i.e. all 4 points have coordinates (0,0).

    • toFloatArray

      public void toFloatArray(@NonNull @Size(8L) float[] arr)
      Converts this quadrilateral to array of float points. The points are represented as pairs (x,y) in clockwise order: upper left, upper right, lower right, lower left

    • setPoints

      public void setPoints(@NonNull Point uleft, @NonNull Point uright, @NonNull Point lleft, @NonNull Point lright)

    • toString

      @NonNull public String toString()
      Overrides:
      toString in class Object

    • mirror

      public void mirror(int canvasWidth, int canvasHeight, int hostActivityOrientation)
      Mirrors the quadrangle so that it can be properly drawn on mirrored camera preview
      Parameters:
      canvasWidth - width of canvas
      canvasHeight - height of canvas

    • getSortedQuad

      @NonNull public Quadrilateral getSortedQuad()
      Returns the Quadrilateral which has same corners as original, but it guarantees that upper left point is the point nearest to (0,0) coordinate.
      Returns:
      sorted Quadrilateral

    • getUpperLeft

      @NonNull public Point getUpperLeft()
      Returns the point nearest to (0, 0) coordinate.
      Returns:
      the point nearest to (0, 0) coordinate.

    • getUpperRight

      @NonNull public Point getUpperRight()
      Returns the point nearest to (width, 0) coordinate
      Returns:
      the point nearest to (width, 0) coordinate

    • getLowerLeft

      @NonNull public Point getLowerLeft()
      Returns the point nearest to (0, height) coordinate
      Returns:
      the point nearest to (height, 0) coordinate

    • getLowerRight

      @NonNull public Point getLowerRight()
      Returns the point nearest to (width, height) coordinate
      Returns:
      the point nearest to (width, height) coordinate

    • getColor

      public int getColor()

    • setColor

      public void setColor(int color)

    • isDefaultQuad

      public boolean isDefaultQuad()

    • setIsDefaultQuad

      public void setIsDefaultQuad(boolean defaultQuad)

    • clone

      @NonNull public Quadrilateral clone()
      Overrides:
      clone in class Object

    • describeContents

      public int describeContents()
      Specified by:
      describeContents in interface android.os.Parcelable

    • writeToParcel

      public void writeToParcel(@NonNull android.os.Parcel dest, int flags)
      Specified by:
      writeToParcel in interface android.os.Parcelable