core.cpp

#include "core.h"
#include <string.h>

// Mat_New creates a new empty Mat
Mat Mat_New() {
    return new cv::Mat();
}

// Mat_NewWithSize creates a new Mat with a specific size dimension and number of channels.
Mat Mat_NewWithSize(int rows, int cols, int type) {
    return new cv::Mat(rows, cols, type, 0.0);
}

// Mat_NewFromScalar creates a new Mat from a Scalar. Intended to be used
// for Mat comparison operation such as InRange.
Mat Mat_NewFromScalar(Scalar ar, int type) {
    cv::Scalar c = cv::Scalar(ar.val1, ar.val2, ar.val3, ar.val4);
    return new cv::Mat(1, 1, type, c);
}

// Mat_Close deletes an existing Mat
void Mat_Close(Mat m) {
    delete m;
}

// Mat_Empty tests if a Mat is empty
int Mat_Empty(Mat m) {
    return m->empty();
}

// Mat_Clone returns a clone of this Mat
Mat Mat_Clone(Mat m) {
    return new cv::Mat(m->clone());
}

// Mat_CopyTo copies this Mat to another Mat.
void Mat_CopyTo(Mat m, Mat dst) {
    m->copyTo(*dst);
}

// Mat_Region returns a Mat of a region of another Mat
Mat Mat_Region(Mat m, Rect r) {
    return new cv::Mat(*m, cv::Rect(r.x, r.y, r.width, r.height));
}

// Mat_Mean calculates the mean value M of array elements, independently for each channel, and return it as Scalar vector
// TODO pass second paramter with mask
Scalar Mat_Mean(Mat m) {
    cv::Scalar c = cv::mean(*m);
    Scalar scal = Scalar();
    scal.val1 = c.val[0];
    scal.val2 = c.val[1];
    scal.val3 = c.val[2];
    scal.val4 = c.val[3];
    return scal;
}

void LUT(Mat src, Mat lut, Mat dst) {
  cv::LUT(*src, *lut, *dst);
}

// Mat_Rows returns how many rows in this Mat.
int Mat_Rows(Mat m) {
    return m->rows;
}

// Mat_Cols returns how many columns in this Mat.
int Mat_Cols(Mat m) {
    return m->cols;
}

// Mat_GetUChar returns a specific row/col value from this Mat expecting
// each element to contain a schar aka CV_8U.
uint8_t Mat_GetUChar(Mat m, int row, int col) {
    return m->at<uchar>(row, col);
}

// Mat_GetSChar returns a specific row/col value from this Mat expecting
// each element to contain a schar aka CV_8S.
int8_t Mat_GetSChar(Mat m, int row, int col) {
    return m->at<schar>(row, col);
}

// Mat_GetShort returns a specific row/col value from this Mat expecting
// each element to contain a short aka CV_16S.
int16_t Mat_GetShort(Mat m, int row, int col) {
    return m->at<short>(row, col);
}

// Mat_GetInt returns a specific row/col value from this Mat expecting
// each element to contain an int aka CV_32S.
int32_t Mat_GetInt(Mat m, int row, int col) {
    return m->at<int>(row, col);
}

// Mat_GetFloat returns a specific row/col value from this Mat expecting
// each element to contain a float aka CV_32F.
float Mat_GetFloat(Mat m, int row, int col) {
    return m->at<float>(row, col);
}

// Mat_GetDouble returns a specific row/col value from this Mat expecting
// each element to contain a double aka CV_64F.
double Mat_GetDouble(Mat m, int row, int col) {
    return m->at<double>(row, col);
}

void Mat_AbsDiff(Mat src1, Mat src2, Mat dst) {
    cv::absdiff(*src1, *src2, *dst);
}

void Mat_Add(Mat src1, Mat src2, Mat dst) {
    cv::add(*src1, *src2, *dst);
}

void Mat_AddWeighted(Mat src1, double alpha, Mat src2, double beta, double gamma, Mat dst) {
    cv::addWeighted(*src1, alpha, *src2, beta, gamma, *dst);
}

void Mat_BitwiseAnd(Mat src1, Mat src2, Mat dst) {
    cv::bitwise_and(*src1, *src2, *dst);
}

void Mat_BitwiseNot(Mat src1, Mat dst) {
    cv::bitwise_not(*src1, *dst);
}

void Mat_BitwiseOr(Mat src1, Mat src2, Mat dst) {
    cv::bitwise_or(*src1, *src2, *dst);
}

void Mat_BitwiseXor(Mat src1, Mat src2, Mat dst) {
    cv::bitwise_xor(*src1, *src2, *dst);
}

void Mat_InRange(Mat src, Mat lowerb, Mat upperb, Mat dst) {
    cv::inRange(*src, *lowerb, *upperb, *dst);
}

int Mat_GetOptimalDFTSize(int vecsize) {
    return cv::getOptimalDFTSize(vecsize);
}

void Mat_DFT(Mat m, Mat dst) {
    cv::dft(*m, *dst);
}

void Mat_Merge(Mat m, size_t count, Mat dst) {
    cv::merge(m, count, *dst);
}

void Mat_Normalize(Mat src, Mat dst, double alpha, double beta, int typ) {
    cv:normalize(*src, *dst, alpha, beta, typ);
}

// TermCriteria_New creates a new TermCriteria
TermCriteria TermCriteria_New(int typ, int maxCount, double epsilon) {
    return new cv::TermCriteria(typ, maxCount, epsilon);
}

void Contours_Close(struct Contours cs) {
    delete cs.contours;
}

void KeyPoints_Close(struct KeyPoints ks) {
    delete ks.keypoints;
}

void Rects_Close(struct Rects rs) {
    delete rs.rects;
}

void ByteArray_Release(struct ByteArray buf) {
    delete[] buf.data;
}

struct ByteArray toByteArray(const char* buf, int len) {
    ByteArray ret = {new char[len], len};
    memcpy(ret.data, buf, len);
    return ret;
}