Uses of Class
org.opencv.core.Scalar

Packages that use Scalar

Package	Description
org.opencv.core
org.opencv.features2d
org.opencv.imgproc

Uses of Scalar in org.opencv.core

Methods in org.opencv.core that return Scalar

Modifier and Type	Method and Description
static Scalar	Scalar.all(double v)
Scalar	Scalar.clone()
Scalar	Scalar.conj()
static Scalar	Core.mean(Mat src) Calculates an average (mean) of array elements.
static Scalar	Core.mean(Mat src, Mat mask) Calculates an average (mean) of array elements.
Scalar	Scalar.mul(Scalar it)
Scalar	Scalar.mul(Scalar it, double scale)
static Scalar	Core.sumElems(Mat src) Calculates the sum of array elements.
static Scalar	Core.trace(Mat mtx) Returns the trace of a matrix.

Methods in org.opencv.core with parameters of type Scalar

Modifier and Type	Method and Description
static void	Core.absdiff(Mat src1, Scalar src2, Mat dst) Calculates the per-element absolute difference between two arrays or between an array and a scalar.
static void	Core.add(Mat src1, Scalar src2, Mat dst) Calculates the per-element sum of two arrays or an array and a scalar.
static void	Core.add(Mat src1, Scalar src2, Mat dst, Mat mask) Calculates the per-element sum of two arrays or an array and a scalar.
static void	Core.add(Mat src1, Scalar src2, Mat dst, Mat mask, int dtype) Calculates the per-element sum of two arrays or an array and a scalar.
static void	Core.arrowedLine(Mat img, Point pt1, Point pt2, Scalar color) Draws a arrow segment pointing from the first point to the second one.
static void	Core.arrowedLine(Mat img, Point pt1, Point pt2, Scalar color, int thickness, int line_type, int shift, double tipLength) Draws a arrow segment pointing from the first point to the second one.
static void	Core.circle(Mat img, Point center, int radius, Scalar color) Draws a circle.
static void	Core.circle(Mat img, Point center, int radius, Scalar color, int thickness) Draws a circle.
static void	Core.circle(Mat img, Point center, int radius, Scalar color, int thickness, int lineType, int shift) Draws a circle.
static void	Core.compare(Mat src1, Scalar src2, Mat dst, int cmpop) Performs the per-element comparison of two arrays or an array and scalar value.
static void	Core.divide(Mat src1, Scalar src2, Mat dst) Performs per-element division of two arrays or a scalar by an array.
static void	Core.divide(Mat src1, Scalar src2, Mat dst, double scale) Performs per-element division of two arrays or a scalar by an array.
static void	Core.divide(Mat src1, Scalar src2, Mat dst, double scale, int dtype) Performs per-element division of two arrays or a scalar by an array.
static void	Core.ellipse(Mat img, Point center, Size axes, double angle, double startAngle, double endAngle, Scalar color) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.ellipse(Mat img, Point center, Size axes, double angle, double startAngle, double endAngle, Scalar color, int thickness) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.ellipse(Mat img, Point center, Size axes, double angle, double startAngle, double endAngle, Scalar color, int thickness, int lineType, int shift) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.ellipse(Mat img, RotatedRect box, Scalar color) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.ellipse(Mat img, RotatedRect box, Scalar color, int thickness) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.ellipse(Mat img, RotatedRect box, Scalar color, int thickness, int lineType) Draws a simple or thick elliptic arc or fills an ellipse sector.
static void	Core.fillConvexPoly(Mat img, MatOfPoint points, Scalar color) Fills a convex polygon.
static void	Core.fillConvexPoly(Mat img, MatOfPoint points, Scalar color, int lineType, int shift) Fills a convex polygon.
static void	Core.fillPoly(Mat img, List<MatOfPoint> pts, Scalar color) Fills the area bounded by one or more polygons.
static void	Core.fillPoly(Mat img, List<MatOfPoint> pts, Scalar color, int lineType, int shift, Point offset) Fills the area bounded by one or more polygons.
static void	Core.inRange(Mat src, Scalar lowerb, Scalar upperb, Mat dst) Checks if array elements lie between the elements of two other arrays.
static void	Core.line(Mat img, Point pt1, Point pt2, Scalar color) Draws a line segment connecting two points.
static void	Core.line(Mat img, Point pt1, Point pt2, Scalar color, int thickness) Draws a line segment connecting two points.
static void	Core.line(Mat img, Point pt1, Point pt2, Scalar color, int thickness, int lineType, int shift) Draws a line segment connecting two points.
static void	Core.max(Mat src1, Scalar src2, Mat dst) Calculates per-element maximum of two arrays or an array and a scalar.
static void	Core.min(Mat src1, Scalar src2, Mat dst) Calculates per-element minimum of two arrays or an array and a scalar.
Scalar	Scalar.mul(Scalar it)
Scalar	Scalar.mul(Scalar it, double scale)
static void	Core.multiply(Mat src1, Scalar src2, Mat dst) Calculates the per-element scaled product of two arrays.
static void	Core.multiply(Mat src1, Scalar src2, Mat dst, double scale) Calculates the per-element scaled product of two arrays.
static void	Core.multiply(Mat src1, Scalar src2, Mat dst, double scale, int dtype) Calculates the per-element scaled product of two arrays.
static void	Core.polylines(Mat img, List<MatOfPoint> pts, boolean isClosed, Scalar color) Draws several polygonal curves.
static void	Core.polylines(Mat img, List<MatOfPoint> pts, boolean isClosed, Scalar color, int thickness) Draws several polygonal curves.
static void	Core.polylines(Mat img, List<MatOfPoint> pts, boolean isClosed, Scalar color, int thickness, int lineType, int shift) Draws several polygonal curves.
static void	Core.putText(Mat img, String text, Point org, int fontFace, double fontScale, Scalar color) Draws a text string.
static void	Core.putText(Mat img, String text, Point org, int fontFace, double fontScale, Scalar color, int thickness) Draws a text string.
static void	Core.putText(Mat img, String text, Point org, int fontFace, double fontScale, Scalar color, int thickness, int lineType, boolean bottomLeftOrigin) Draws a text string.
static void	Core.rectangle(Mat img, Point pt1, Point pt2, Scalar color) Draws a simple, thick, or filled up-right rectangle.
static void	Core.rectangle(Mat img, Point pt1, Point pt2, Scalar color, int thickness) Draws a simple, thick, or filled up-right rectangle.
static void	Core.rectangle(Mat img, Point pt1, Point pt2, Scalar color, int thickness, int lineType, int shift) Draws a simple, thick, or filled up-right rectangle.
static void	Core.setIdentity(Mat mtx, Scalar s) Initializes a scaled identity matrix.
Mat	Mat.setTo(Scalar s)
Mat	Mat.setTo(Scalar value, Mat mask) Sets all or some of the array elements to the specified value.
static void	Core.subtract(Mat src1, Scalar src2, Mat dst) Calculates the per-element difference between two arrays or array and a scalar.
static void	Core.subtract(Mat src1, Scalar src2, Mat dst, Mat mask) Calculates the per-element difference between two arrays or array and a scalar.
static void	Core.subtract(Mat src1, Scalar src2, Mat dst, Mat mask, int dtype) Calculates the per-element difference between two arrays or array and a scalar.

Constructors in org.opencv.core with parameters of type Scalar

Constructor and Description
Mat(int rows, int cols, int type, Scalar s) Various Mat constructors
Mat(Size size, int type, Scalar s) Various Mat constructors

Uses of Scalar in org.opencv.features2d

Methods in org.opencv.features2d with parameters of type Scalar

Modifier and Type	Method and Description
static void	Features2d.drawKeypoints(Mat image, MatOfKeyPoint keypoints, Mat outImage, Scalar color, int flags) Draws keypoints.
static void	Features2d.drawMatches(Mat img1, MatOfKeyPoint keypoints1, Mat img2, MatOfKeyPoint keypoints2, MatOfDMatch matches1to2, Mat outImg, Scalar matchColor, Scalar singlePointColor, MatOfByte matchesMask, int flags) Draws the found matches of keypoints from two images.
static void	Features2d.drawMatches2(Mat img1, MatOfKeyPoint keypoints1, Mat img2, MatOfKeyPoint keypoints2, List<MatOfDMatch> matches1to2, Mat outImg, Scalar matchColor, Scalar singlePointColor, List<MatOfByte> matchesMask, int flags) Draws the found matches of keypoints from two images.

Uses of Scalar in org.opencv.imgproc

Methods in org.opencv.imgproc with parameters of type Scalar

Modifier and Type	Method and Description
static void	Imgproc.copyMakeBorder(Mat src, Mat dst, int top, int bottom, int left, int right, int borderType, Scalar value) Forms a border around an image.
static void	Imgproc.dilate(Mat src, Mat dst, Mat kernel, Point anchor, int iterations, int borderType, Scalar borderValue) Dilates an image by using a specific structuring element.
static void	Imgproc.drawContours(Mat image, List<MatOfPoint> contours, int contourIdx, Scalar color) Draws contours outlines or filled contours.
static void	Imgproc.drawContours(Mat image, List<MatOfPoint> contours, int contourIdx, Scalar color, int thickness) Draws contours outlines or filled contours.
static void	Imgproc.drawContours(Mat image, List<MatOfPoint> contours, int contourIdx, Scalar color, int thickness, int lineType, Mat hierarchy, int maxLevel, Point offset) Draws contours outlines or filled contours.
static void	Imgproc.erode(Mat src, Mat dst, Mat kernel, Point anchor, int iterations, int borderType, Scalar borderValue) Erodes an image by using a specific structuring element.
static int	Imgproc.floodFill(Mat image, Mat mask, Point seedPoint, Scalar newVal) Fills a connected component with the given color.
static int	Imgproc.floodFill(Mat image, Mat mask, Point seedPoint, Scalar newVal, Rect rect, Scalar loDiff, Scalar upDiff, int flags) Fills a connected component with the given color.
static void	Imgproc.morphologyEx(Mat src, Mat dst, int op, Mat kernel, Point anchor, int iterations, int borderType, Scalar borderValue) Performs advanced morphological transformations.
static void	Imgproc.remap(Mat src, Mat dst, Mat map1, Mat map2, int interpolation, int borderMode, Scalar borderValue) Applies a generic geometrical transformation to an image.
static void	Imgproc.warpAffine(Mat src, Mat dst, Mat M, Size dsize, int flags, int borderMode, Scalar borderValue) Applies an affine transformation to an image.
static void	Imgproc.warpPerspective(Mat src, Mat dst, Mat M, Size dsize, int flags, int borderMode, Scalar borderValue) Applies a perspective transformation to an image.