Files
opencv-wasm/modules/core/misc/objc/test/MatTest.swift
2022-05-06 01:58:53 +08:00

1147 lines
42 KiB
Swift

//
// StitchAppTests.swift
//
// Created by Giles Payne on 2020/01/19.
//
import XCTest
import OpenCV
class MatTests: OpenCVTestCase {
override func setUp() {
super.setUp()
}
override func tearDown() {
super.tearDown()
}
func testAdjustROI() throws {
let roi = gray0.submat(rowStart: 3, rowEnd: 5, colStart: 7, colEnd: 10)
let originalroi = roi.clone()
let adjusted = roi.adjustRoi(top: 2, bottom: 2, left: 2, right: 2)
try assertMatEqual(adjusted, roi)
assertSizeEquals(Size(width: 5, height: 6), adjusted.size())
XCTAssertEqual(originalroi.type(), adjusted.type())
XCTAssertTrue(adjusted.isSubmatrix())
XCTAssertFalse(adjusted.isContinuous())
let offset = Point()
let size = Size()
adjusted.locateROI(wholeSize: size, offset: offset)
assertPointEquals(Point(x: 5, y: 1), offset);
assertSizeEquals(gray0.size(), size);
}
func testAssignToMat() throws {
gray0.assign(to: dst)
try assertMatEqual(gray0, dst)
gray255.assign(to: dst)
try assertMatEqual(gray255, dst)
}
func testAssignToMatInt() throws {
gray255.assign(to: dst, type: CvType.CV_32F)
try assertMatEqual(gray255_32f, dst, OpenCVTestCase.EPS)
}
func testChannels() {
XCTAssertEqual(1, gray0.channels())
XCTAssertEqual(3, rgbLena.channels())
XCTAssertEqual(4, rgba0.channels())
}
func testCheckVectorInt() {
// ! returns N if the matrix is 1-channel (N x ptdim) or ptdim-channel
// (1 x N) or (N x 1); negative number otherwise
XCTAssertEqual(2, Mat(rows: 2, cols: 10, type: CvType.CV_8U).checkVector(elemChannels: 10))
XCTAssertEqual(2, Mat(rows: 1, cols: 2, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10))
XCTAssertEqual(2, Mat(rows: 2, cols: 1, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10))
XCTAssertEqual(10, Mat(rows: 1, cols: 10, type: CvType.CV_8UC2).checkVector(elemChannels: 2))
XCTAssert(0 > Mat().checkVector(elemChannels: 0))
XCTAssert(0 > Mat(rows: 10, cols: 1, type: CvType.CV_8U).checkVector(elemChannels: 10))
XCTAssert(0 > Mat(rows: 10, cols: 20, type: CvType.CV_8U).checkVector(elemChannels: 10))
}
func testCheckVectorIntInt() {
XCTAssertEqual(2, Mat(rows: 2, cols: 10, type: CvType.CV_8U).checkVector(elemChannels: 10, depth: CvType.CV_8U))
XCTAssertEqual(2, Mat(rows: 1, cols: 2, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10, depth: CvType.CV_8U))
XCTAssertEqual(2, Mat(rows: 2, cols: 1, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10, depth: CvType.CV_8U))
XCTAssertEqual(10, Mat(rows: 1, cols: 10, type: CvType.CV_8UC2).checkVector(elemChannels: 2, depth: CvType.CV_8U))
XCTAssert(0 > Mat(rows: 2, cols: 10, type: CvType.CV_8U).checkVector(elemChannels: 10, depth: CvType.CV_8S));
XCTAssert(0 > Mat(rows: 1, cols: 2, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10, depth: CvType.CV_8S));
XCTAssert(0 > Mat(rows: 2, cols: 1, type: CvType.CV_8UC(10)).checkVector(elemChannels: 10, depth: CvType.CV_8S));
XCTAssert(0 > Mat(rows: 1, cols: 10, type: CvType.CV_8UC2).checkVector(elemChannels: 10, depth: CvType.CV_8S));
}
func testCheckVectorIntIntBoolean() {
let mm = Mat(rows: 5, cols: 1, type: CvType.CV_8UC(10))
let roi = Mat(rows: 5, cols: 3, type: CvType.CV_8UC(10)).submat(rowStart: 1, rowEnd: 3, colStart: 2, colEnd: 3);
XCTAssertEqual(5, mm.checkVector(elemChannels: 10, depth: CvType.CV_8U, requireContinuous: true));
XCTAssertEqual(5, mm.checkVector(elemChannels: 10, depth: CvType.CV_8U, requireContinuous: false));
XCTAssertEqual(2, roi.checkVector(elemChannels: 10, depth: CvType.CV_8U, requireContinuous: false));
XCTAssert(0 > roi.checkVector(elemChannels: 10, depth: CvType.CV_8U, requireContinuous: true));
}
func testClone() throws {
dst = gray0.clone()
try assertMatEqual(gray0, dst)
XCTAssertFalse(dst.isSameMat(gray0))
}
func testCol() {
let col = gray0.col(0)
XCTAssertEqual(1, col.cols())
XCTAssertEqual(gray0.rows(), col.rows())
}
func testColRangeIntInt() {
let cols = gray0.colRange(start: 0, end: gray0.cols() / 2)
XCTAssertEqual(gray0.cols() / 2, cols.cols())
XCTAssertEqual(gray0.rows(), cols.rows())
}
func testColRangeRange() throws {
let range = Range(start: 0, end: 5)
dst = gray0.colRange(range)
truth = Mat(rows: 10, cols: 5, type: CvType.CV_8UC1, scalar: Scalar(0.0))
try assertMatEqual(truth!, dst)
}
func testCols() {
XCTAssertEqual(OpenCVTestCase.matSize, gray0.cols())
}
func testConvertToMatInt() throws {
gray255.convert(to: dst, rtype: CvType.CV_32F)
truth = Mat(rows: OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_32F, scalar: Scalar(255));
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testConvertToMatIntDouble() throws {
gray2.convert(to: dst, rtype: CvType.CV_16U, alpha: 2.0)
truth = Mat(rows: OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_16U, scalar: Scalar(4))
try assertMatEqual(truth!, dst)
}
func testConvertToMatIntDoubleDouble() throws {
gray0_32f.convert(to: dst, rtype: CvType.CV_8U, alpha: 2.0, beta: 4.0)
truth = Mat(rows: OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_8U, scalar: Scalar(4))
try assertMatEqual(truth!, dst)
}
func testCopyToMat() throws {
rgbLena.copy(to:dst)
try assertMatEqual(rgbLena, dst)
}
func testCopyToMatMat() throws {
let src = Mat(rows: 4, cols: 4, type: CvType.CV_8U, scalar: Scalar(5))
let mask = makeMask(src.clone())
src.copy(to: dst, mask: mask)
truth = Mat(rows: 4, cols: 4, type: CvType.CV_8U)
try XCTAssertEqual(truth!.put(row: 0, col: 0, data: [0, 0, 5, 5] as [Int8]), 4)
try XCTAssertEqual(truth!.put(row: 1, col: 0, data: [0, 0, 5, 5] as [Int8]), 4)
try XCTAssertEqual(truth!.put(row: 2, col: 0, data: [0, 0, 5, 5] as [Int8]), 4)
try XCTAssertEqual(truth!.put(row: 3, col: 0, data: [0, 0, 5, 5] as [Int8]), 4)
try assertMatEqual(truth!, dst)
}
func testCreateIntIntInt() {
gray255.create(rows: 4, cols: 5, type: CvType.CV_32F)
XCTAssertEqual(4, gray255.rows())
XCTAssertEqual(5, gray255.cols())
XCTAssertEqual(CvType.CV_32F, gray255.type())
}
func testCreateSizeInt() {
let size = Size(width: 5, height: 5)
dst.create(size: size, type: CvType.CV_16U)
XCTAssertEqual(5, dst.rows())
XCTAssertEqual(5, dst.cols())
XCTAssertEqual(CvType.CV_16U, dst.type())
}
func testCreateIntArrayInt() {
dst.create(sizes:[5, 6, 7], type:CvType.CV_16U)
XCTAssertEqual(5, dst.size(0))
XCTAssertEqual(6, dst.size(1))
XCTAssertEqual(7, dst.size(2))
XCTAssertEqual(CvType.CV_16U, dst.type())
}
func testCross() throws {
let answer = Mat(rows: 1, cols: 3, type: CvType.CV_32F)
try XCTAssertEqual(answer.put(row: 0, col: 0, data: [7.0, 1.0, -5.0] as [Float]), 12)
let cross = v1.cross(v2)
try assertMatEqual(answer, cross, OpenCVTestCase.EPS)
}
func testDepth() {
XCTAssertEqual(CvType.CV_8U, gray0.depth())
XCTAssertEqual(CvType.CV_32F, gray0_32f.depth())
}
func testDiag() throws {
dst = gray0.diag()
truth = Mat(rows: 10, cols: 1, type: CvType.CV_8UC1, scalar: Scalar(0))
try assertMatEqual(truth!, dst)
}
func testDiagInt() throws {
dst = gray255.diag(2)
truth = Mat(rows: 8, cols: 1, type: CvType.CV_8UC1, scalar: Scalar(255))
try assertMatEqual(truth!, dst)
}
func testDiagMat() throws {
let diagVector = Mat(rows: OpenCVTestCase.matSize, cols: 1, type: CvType.CV_32F, scalar: Scalar(1))
dst = Mat.diag(diagVector)
try assertMatEqual(grayE_32f, dst, OpenCVTestCase.EPS);
}
func testDot() {
let s = v1.dot(v2)
XCTAssertEqual(11.0, s)
}
func testDump() {
XCTAssertEqual("[1, 3, 2]", v1.dump())
}
func testElemSize() {
XCTAssertEqual(MemoryLayout<UInt8>.size * Int(gray0.channels()), gray0.elemSize())
XCTAssertEqual(MemoryLayout<Float>.size * Int(gray0_32f.channels()), gray0_32f.elemSize())
XCTAssertEqual(MemoryLayout<UInt8>.size * Int(rgbLena.channels()), rgbLena.elemSize())
}
func testElemSize1() {
XCTAssertEqual(MemoryLayout<UInt8>.size, gray255.elemSize1())
XCTAssertEqual(MemoryLayout<Double>.size, gray0_64f.elemSize1())
XCTAssertEqual(MemoryLayout<UInt8>.size, rgbLena.elemSize1())
}
func testEmpty() {
XCTAssert(dst.empty())
XCTAssertFalse(gray0.empty())
}
func testEyeIntIntInt() throws {
let eye = Mat.eye(rows: 3, cols: 3, type: CvType.CV_32FC1)
try assertMatEqual(eye, eye.inv(), OpenCVTestCase.EPS)
}
func testEyeSizeInt() {
let size = Size(width: 5, height: 5)
let eye = Mat.eye(size: size, type: CvType.CV_32S)
XCTAssertEqual(5, Core.countNonZero(src: eye))
}
func getTestMat(size:Int32, type:Int32) throws -> Mat {
let ret = Mat(rows: size, cols: size, type: type)
let ch = CvType.channels(type)
var buff:[Double] = []
for i: Int32 in (0..<size) {
for j: Int32 in (0..<size) {
for k: Int32 in (0..<ch) {
buff.append(Double(100 * i + 10 * j + k))
}
}
}
try _ = ret.put(row:0, col:0, data:buff)
return ret
}
func testGetIntInt_8U() throws {
let m = try getTestMat(size: 5, type: CvType.CV_8UC2)
// whole Mat
XCTAssert([0.0, 1.0] == m.get(row: 0, col: 0))
XCTAssert([240, 241] == m.get(row: 2, col: 4))
XCTAssert([255, 255] == m.get(row: 4, col: 4))
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5);
XCTAssert([230, 231] == sm.get(row: 0, col: 0))
XCTAssert([255, 255] == sm.get(row: 1, col: 1))
}
func testGetIntInt_32S() throws {
let m = try getTestMat(size: 5, type: CvType.CV_32SC3)
// whole Mat
XCTAssert([0, 1, 2] == m.get(row: 0, col: 0))
XCTAssert([240, 241, 242] == m.get(row: 2, col: 4))
XCTAssert([440, 441, 442] == m.get(row: 4, col: 4))
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5);
XCTAssert([230, 231, 232] == sm.get(row: 0, col: 0));
XCTAssert([340, 341, 342] == sm.get(row: 1, col: 1));
}
func testGetIntInt_64F() throws {
let m = try getTestMat(size: 5, type: CvType.CV_64FC1)
// whole Mat
XCTAssert([0] == m.get(row: 0, col: 0))
XCTAssert([240] == m.get(row: 2, col: 4))
XCTAssert([440] == m.get(row: 4, col: 4))
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
XCTAssert([230] == sm.get(row: 0, col: 0))
XCTAssert([340] == sm.get(row: 1, col: 1))
}
func testGetIntIntByteArray() throws {
let m = try getTestMat(size: 5, type: CvType.CV_8UC3)
var goodData = [Int8](repeating: 0, count: 9)
// whole Mat
var bytesNum = try m.get(row: 1, col: 1, data: &goodData)
XCTAssertEqual(9, bytesNum)
XCTAssert([110, 111, 112, 120, 121, 122, -126, -125, -124] == goodData)
var badData = [Int8](repeating: 0, count: 7)
XCTAssertThrowsError(bytesNum = try m.get(row: 0, col: 0, data: &badData))
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff00 = [Int8](repeating: 0, count: 3)
bytesNum = try sm.get(row: 0, col: 0, data: &buff00)
XCTAssertEqual(3, bytesNum)
XCTAssert(buff00 == [-26, -25, -24])
var buff11 = [Int8](repeating: 0, count: 3)
bytesNum = try sm.get(row: 1, col: 1, data: &buff11)
XCTAssertEqual(3, bytesNum)
XCTAssert(buff11 == [-1, -1, -1])
}
func testGetIntIntDoubleArray() throws {
let m = try getTestMat(size: 5, type: CvType.CV_64F)
var buff = [Double](repeating: 0, count: 4)
// whole Mat
var bytesNum = try m.get(row: 1, col: 1, data: &buff)
XCTAssertEqual(32, bytesNum)
XCTAssert(buff == [110, 120, 130, 140])
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff00 = [Double](repeating: 0, count: 2)
bytesNum = try sm.get(row: 0, col: 0, data: &buff00)
XCTAssertEqual(16, bytesNum)
XCTAssert(buff00 == [230, 240])
var buff11 = [Double](repeating: 0, count: 2)
bytesNum = try sm.get(row: 1, col: 1, data: &buff11)
XCTAssertEqual(8, bytesNum)
XCTAssert(buff11 == [340, 0])
}
func testGetIntIntFloatArray() throws {
let m = try getTestMat(size: 5, type: CvType.CV_32F)
var buff = [Float](repeating: 0, count: 4)
// whole Mat
var bytesNum = try m.get(row: 1, col: 1, data: &buff)
XCTAssertEqual(16, bytesNum)
XCTAssert(buff == [110, 120, 130, 140])
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff00 = [Float](repeating: 0, count: 2)
bytesNum = try sm.get(row: 0, col: 0, data: &buff00)
XCTAssertEqual(8, bytesNum);
XCTAssert(buff00 == [230, 240])
var buff11 = [Float](repeating: 0, count: 2)
bytesNum = try sm.get(row: 1, col: 1, data: &buff11)
XCTAssertEqual(4, bytesNum);
XCTAssert(buff11 == [340, 0])
}
func testGetIntIntIntArray() throws {
let m = try getTestMat(size: 5, type: CvType.CV_32SC2)
var buff = [Int32](repeating: 0, count: 6)
// whole Mat
var bytesNum = try m.get(row: 1, col: 1, data: &buff)
XCTAssertEqual(24, bytesNum)
XCTAssert(buff == [110, 111, 120, 121, 130, 131])
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff00 = [Int32](repeating: 0, count: 4)
bytesNum = try sm.get(row: 0, col: 0, data: &buff00)
XCTAssertEqual(16, bytesNum)
XCTAssert(buff00 == [230, 231, 240, 241])
var buff11 = [Int32](repeating: 0, count: 4)
bytesNum = try sm.get(row: 1, col: 1, data: &buff11)
XCTAssertEqual(8, bytesNum)
XCTAssert(buff11 == [340, 341, 0, 0])
}
func testGetIntIntShortArray() throws {
let m = try getTestMat(size: 5, type: CvType.CV_16SC2)
var buff = [Int16](repeating: 0, count: 6)
// whole Mat
var bytesNum = try m.get(row: 1, col: 1, data: &buff)
XCTAssertEqual(12, bytesNum);
XCTAssert(buff == [110, 111, 120, 121, 130, 131])
// sub-Mat
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff00 = [Int16](repeating: 0, count: 4)
bytesNum = try sm.get(row: 0, col: 0, data: &buff00)
XCTAssertEqual(8, bytesNum)
XCTAssert(buff00 == [230, 231, 240, 241])
var buff11 = [Int16](repeating: 0, count: 4)
bytesNum = try sm.get(row: 1, col: 1, data: &buff11)
XCTAssertEqual(4, bytesNum);
XCTAssert(buff11 == [340, 341, 0, 0])
}
func testHeight() {
XCTAssertEqual(gray0.rows(), gray0.height())
XCTAssertEqual(rgbLena.rows(), rgbLena.height())
XCTAssertEqual(rgba128.rows(), rgba128.height())
}
func testInv() throws {
dst = grayE_32f.inv()
try assertMatEqual(grayE_32f, dst, OpenCVTestCase.EPS)
}
func testInvInt() throws {
let src = Mat(rows: 2, cols: 2, type: CvType.CV_32F)
try XCTAssertEqual(src.put(row: 0, col: 0, data: [1.0] as [Float]), 4)
try XCTAssertEqual(src.put(row: 0, col: 1, data: [2.0] as [Float]), 4)
try XCTAssertEqual(src.put(row: 1, col: 0, data: [1.5] as [Float]), 4)
try XCTAssertEqual(src.put(row: 1, col: 1, data: [4.0] as [Float]), 4)
dst = src.inv(DecompTypes.DECOMP_CHOLESKY.rawValue)
truth = Mat(rows: 2, cols: 2, type: CvType.CV_32F)
try XCTAssertEqual(truth!.put(row: 0, col: 0, data: [4.0]), 4)
try XCTAssertEqual(truth!.put(row: 0, col: 1, data: [-2.0]), 4)
try XCTAssertEqual(truth!.put(row: 1, col: 0, data: [-1.5]), 4)
try XCTAssertEqual(truth!.put(row: 1, col: 1, data: [1.0]), 4)
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testIsContinuous() {
XCTAssert(gray0.isContinuous())
let subMat = gray0.submat(rowStart: 0, rowEnd: gray0.rows() / 2, colStart: 0, colEnd: gray0.cols() / 2)
XCTAssertFalse(subMat.isContinuous())
}
func testIsSubmatrix() {
XCTAssertFalse(gray0.isSubmatrix())
let subMat = gray0.submat(rowStart: 0, rowEnd: gray0.rows() / 2, colStart: 0, colEnd: gray0.cols() / 2)
XCTAssert(subMat.isSubmatrix())
}
func testLocateROI() {
let roi = gray0.submat(rowStart: 3, rowEnd: 5, colStart: 7, colEnd: 10)
let offset = Point()
let size = Size()
roi.locateROI(wholeSize: size, offset: offset)
assertPointEquals(Point(x: 7, y: 3), offset)
assertSizeEquals(Size(width: 10, height: 10), size)
}
func testMat() {
let m = Mat()
XCTAssertNotNil(m)
XCTAssert(m.empty())
}
func testMatIntIntCvType() {
let gray = Mat(rows: 1, cols: 1, type: CvType.CV_8UC1)
XCTAssertFalse(gray.empty())
let rgb = Mat(rows: 1, cols: 1, type: CvType.CV_8UC3)
XCTAssertFalse(rgb.empty())
}
func testMatIntIntCvTypeScalar() throws {
dst = Mat(rows: gray127.rows(), cols: gray127.cols(), type: CvType.CV_8U, scalar: Scalar(127))
XCTAssertFalse(dst.empty())
try assertMatEqual(dst, gray127)
dst = Mat(rows: rgba128.rows(), cols: rgba128.cols(), type: CvType.CV_8UC4, scalar: Scalar.all(128))
XCTAssertFalse(dst.empty())
try assertMatEqual(dst, rgba128)
}
func testMatIntIntInt() {
let gray = Mat(rows: 1, cols: 1, type: CvType.CV_8U)
XCTAssertFalse(gray.empty())
let rgb = Mat(rows: 1, cols: 1, type: CvType.CV_8U)
XCTAssertFalse(rgb.empty())
}
func testMatIntIntIntScalar() throws {
let m1 = Mat(rows: gray127.rows(), cols: gray127.cols(), type: CvType.CV_8U, scalar: Scalar(127))
XCTAssertFalse(m1.empty())
try assertMatEqual(m1, gray127)
let m2 = Mat(rows: gray0_32f.rows(), cols: gray0_32f.cols(), type: CvType.CV_32F, scalar: Scalar(0))
XCTAssertFalse(m2.empty())
try assertMatEqual(m2, gray0_32f, OpenCVTestCase.EPS)
}
func testMatMatRange() throws {
dst = Mat(mat: gray0, rowRange: Range(start: 0, end: 5))
truth = Mat(rows: 5, cols: 10, type: CvType.CV_8UC1, scalar: Scalar(0))
XCTAssertFalse(dst.empty())
try assertMatEqual(truth!, dst)
}
func testMatMatRangeRange() throws {
dst = Mat(mat: gray255_32f, rowRange: Range(start: 0, end: 5), colRange: Range(start: 0, end: 5))
truth = Mat(rows: 5, cols: 5, type: CvType.CV_32FC1, scalar: Scalar(255))
XCTAssertFalse(dst.empty())
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testMatMatRangeArray() throws {
dst = Mat(mat: gray255_32f_3d, ranges: [Range(start: 0, end: 5), Range(start: 0, end: 5), Range(start: 0, end: 5)])
truth = Mat(sizes:[5, 5, 5], type:CvType.CV_32FC1, scalar:Scalar(255))
XCTAssertFalse(dst.empty())
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testMatMatRect() throws {
let m = Mat(rows: 7, cols: 6, type: CvType.CV_32SC1)
try XCTAssertEqual(m.put(row: 0, col: 0,
data: [ 0, 1, 2, 3, 4, 5,
10, 11, 12, 13, 14, 15,
20, 21, 22, 23, 24, 25,
30, 31, 32, 33, 34, 35,
40, 41, 42, 43, 44, 45,
50, 51, 52, 53, 54, 55,
60, 61, 62, 63, 64, 65] as [Int32]), 168)
dst = Mat(mat: m, rect: Rect(x: 1, y: 2, width: 3, height: 4))
truth = Mat(rows: 4, cols: 3, type: CvType.CV_32SC1)
try XCTAssertEqual(truth!.put(row: 0, col: 0,
data: [21, 22, 23,
31, 32, 33,
41, 42, 43,
51, 52, 53] as [Int32]), 48)
XCTAssertFalse(dst.empty())
try assertMatEqual(truth!, dst)
}
func testMatSizeInt() {
dst = Mat(size: Size(width: 10, height: 10), type: CvType.CV_8U)
XCTAssertFalse(dst.empty())
}
func testMatSizeIntScalar() throws {
dst = Mat(size: Size(width: 10, height: 10), type: CvType.CV_32F, scalar: Scalar(255))
XCTAssertFalse(dst.empty())
try assertMatEqual(gray255_32f, dst, OpenCVTestCase.EPS)
}
func testMatIntArrayIntScalar() throws {
dst = Mat(sizes:[10, 10, 10], type:CvType.CV_32F, scalar:Scalar(255))
XCTAssertFalse(dst.empty());
try assertMatEqual(gray255_32f_3d, dst, OpenCVTestCase.EPS)
}
func testMulMat() throws {
try assertMatEqual(gray0, gray0.mul(gray255))
let m1 = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(2))
let m2 = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(3))
dst = m1.mul(m2)
truth = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(6))
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testMulMat3d() throws {
let m1 = Mat(sizes: [2, 2, 2], type: CvType.CV_32F, scalar: Scalar(2))
let m2 = Mat(sizes: [2, 2, 2], type: CvType.CV_32F, scalar: Scalar(3))
dst = m1.mul(m2)
truth = Mat(sizes: [2, 2, 2], type: CvType.CV_32F, scalar: Scalar(6))
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testMulMatDouble() throws{
let m1 = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(2))
let m2 = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(3))
dst = m1.mul(m2, scale: 3.0)
truth = Mat(rows: 2, cols: 2, type: CvType.CV_32F, scalar: Scalar(18))
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testOnesIntIntInt() throws {
dst = Mat.ones(rows: OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_32F)
truth = Mat(rows: OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_32F, scalar: Scalar(1))
try assertMatEqual(truth!, dst, OpenCVTestCase.EPS)
}
func testOnesSizeInt() throws {
dst = Mat.ones(size: Size(width: 2, height: 2), type: CvType.CV_16S)
truth = Mat(rows: 2, cols: 2, type: CvType.CV_16S, scalar: Scalar(1))
try assertMatEqual(truth!, dst)
}
func testOnesIntArrayInt() throws {
dst = Mat.ones(sizes: [2, 2, 2], type: CvType.CV_16S)
truth = Mat(sizes: [2, 2, 2], type: CvType.CV_16S, scalar: Scalar(1))
try assertMatEqual(truth!, dst)
}
func testPush_back() throws {
let m1 = Mat(rows: 2, cols: 4, type: CvType.CV_32F, scalar: Scalar(2))
let m2 = Mat(rows: 3, cols: 4, type: CvType.CV_32F, scalar: Scalar(3))
m1.push_back(m2)
truth = Mat(rows: 5, cols: 4, type: CvType.CV_32FC1)
try XCTAssertEqual(truth!.put(row: 0, col: 0, data: [2, 2, 2, 2] as [Float]), 16)
try XCTAssertEqual(truth!.put(row: 1, col: 0, data: [2, 2, 2, 2] as [Float]), 16)
try XCTAssertEqual(truth!.put(row: 2, col: 0, data: [3, 3, 3, 3] as [Float]), 16)
try XCTAssertEqual(truth!.put(row: 3, col: 0, data: [3, 3, 3, 3] as [Float]), 16)
try XCTAssertEqual(truth!.put(row: 4, col: 0, data: [3, 3, 3, 3] as [Float]), 16)
try assertMatEqual(truth!, m1, OpenCVTestCase.EPS)
}
func testPutIntIntByteArray() throws {
let m = Mat(rows: 5, cols: 5, type: CvType.CV_8SC3, scalar: Scalar(1, 2, 3))
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff = [Int8](repeating: 0, count: 6)
let buff0:[Int8] = [10, 20, 30, 40, 50, 60]
let buff1:[Int8] = [-1, -2, -3, -4, -5, -6]
var bytesNum = try m.put(row:1, col:2, data:buff0)
XCTAssertEqual(6, bytesNum)
bytesNum = try m.get(row: 1, col: 2, data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff0)
bytesNum = try sm.put(row:0, col:0, data:buff1)
XCTAssertEqual(6, bytesNum)
bytesNum = try sm.get(row: 0, col: 0, data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff1)
bytesNum = try m.get(row: 2, col: 3, data: &buff)
XCTAssertEqual(6, bytesNum);
XCTAssert(buff == buff1)
let m1 = m.row(1)
bytesNum = try m1.get(row: 0, col: 2, data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff0)
}
func testPutIntArrayByteArray() throws {
let m = Mat(sizes: [5, 5, 5], type: CvType.CV_8SC3, scalar: Scalar(1, 2, 3))
let sm = m.submat(ranges: [Range(start: 0, end: 2), Range(start: 1, end: 3), Range(start: 2, end: 4)])
var buff = [Int8](repeating: 0, count: 6)
let buff0:[Int8] = [10, 20, 30, 40, 50, 60]
let buff1:[Int8] = [-1, -2, -3, -4, -5, -6]
var bytesNum = try m.put(indices:[1, 2, 0], data:buff0)
XCTAssertEqual(6, bytesNum)
bytesNum = try m.get(indices: [1, 2, 0], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff0)
bytesNum = try sm.put(indices: [0, 0, 0], data: buff1)
XCTAssertEqual(6, bytesNum)
bytesNum = try sm.get(indices: [0, 0, 0], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff1)
bytesNum = try m.get(indices: [0, 1, 2], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff1)
let m1 = m.submat(ranges: [Range(start: 1,end: 2), Range.all(), Range.all()])
bytesNum = try m1.get(indices: [0, 2, 0], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == buff0)
}
func testPutIntIntDoubleArray() throws {
let m = Mat(rows: 5, cols: 5, type: CvType.CV_8SC3, scalar: Scalar(1, 2, 3))
let sm = m.submat(rowStart: 2, rowEnd: 4, colStart: 3, colEnd: 5)
var buff = [Int8](repeating: 0, count: 6)
var bytesNum = try m.put(row: 1, col: 2, data: [10, 20, 30, 40, 50, 60] as [Double])
XCTAssertEqual(6, bytesNum)
bytesNum = try m.get(row: 1, col: 2, data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == [10, 20, 30, 40, 50, 60])
bytesNum = try sm.put(row: 0, col: 0, data:[255, 254, 253, 252, 251, 250] as [Double])
XCTAssertEqual(6, bytesNum)
bytesNum = try sm.get(row: 0, col: 0, data: &buff)
XCTAssertEqual(6, bytesNum);
XCTAssert(buff == [-1, -2, -3, -4, -5, -6])
bytesNum = try m.get(row: 2, col: 3, data: &buff)
XCTAssertEqual(6, bytesNum);
XCTAssert(buff == [-1, -2, -3, -4, -5, -6])
}
func testPutIntArrayDoubleArray() throws {
let m = Mat(sizes: [5, 5, 5], type: CvType.CV_8SC3, scalar: Scalar(1, 2, 3))
let sm = m.submat(ranges: [Range(start: 0, end: 2), Range(start: 1, end: 3), Range(start: 2, end: 4)])
var buff = [Int8](repeating: 0, count: 6)
var bytesNum = try m.put(indices: [1, 2, 0], data: [10, 20, 30, 40, 50, 60] as [Double])
XCTAssertEqual(6, bytesNum)
bytesNum = try m.get(indices: [1, 2, 0], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == [10, 20, 30, 40, 50, 60])
bytesNum = try sm.put(indices: [0, 0, 0], data: [255, 254, 253, 252, 251, 250] as [Double])
XCTAssertEqual(6, bytesNum);
bytesNum = try sm.get(indices: [0, 0, 0], data: &buff)
XCTAssertEqual(6, bytesNum);
XCTAssert(buff == [-1, -2, -3, -4, -5, -6])
bytesNum = try m.get(indices: [0, 1, 2], data: &buff)
XCTAssertEqual(6, bytesNum)
XCTAssert(buff == [-1, -2, -3, -4, -5, -6])
}
func testPutIntIntFloatArray() throws {
let m = Mat(rows: 5, cols: 5, type: CvType.CV_32FC3, scalar: Scalar(1, 2, 3))
let elements:[Float] = [10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(row: 4, col: 3, data: elements)
XCTAssertEqual(Int32(elements.count * 4), bytesNum);
let m1 = m.row(4)
var buff = [Float](repeating: 0, count: 3)
bytesNum = try m1.get(row: 0, col: 4, data: &buff)
XCTAssertEqual(Int32(buff.count * 4), bytesNum)
XCTAssert(buff == [40, 50, 60])
XCTAssert([10, 20, 30] == m.get(row: 4, col: 3));
}
func testPutIntArrayFloatArray() throws {
let m = Mat(sizes: [5, 5, 5], type: CvType.CV_32FC3, scalar: Scalar(1, 2, 3))
let elements:[Float] = [10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(indices: [0, 4, 3], data: elements)
XCTAssertEqual(Int32(elements.count * 4), bytesNum)
let m1 = m.submat(ranges: [Range.all(), Range(start: 4, end: 5), Range.all()])
var buff = [Float](repeating: 0, count: 3)
bytesNum = try m1.get(indices: [0, 0, 4], data: &buff)
XCTAssertEqual(Int32(buff.count * 4), bytesNum)
XCTAssert(buff == [40, 50, 60])
XCTAssert([10, 20, 30] == m.get(indices: [0, 4, 3]))
}
func testPutIntIntIntArray() throws {
let m = Mat(rows: 5, cols: 5, type: CvType.CV_32SC3, scalar: Scalar(-1, -2, -3))
let elements: [Int32] = [10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(row: 0, col: 4, data: elements)
XCTAssertEqual(Int32(elements.count * 4), bytesNum)
let m1 = m.col(4)
var buff = [Int32](repeating: 0, count: 3)
bytesNum = try m1.get(row: 0, col: 0, data: &buff)
XCTAssertEqual(Int32(buff.count * 4), bytesNum)
XCTAssert(buff == [10, 20, 30])
XCTAssert([40, 50, 60] == m.get(row: 1, col: 0))
}
func testPutIntArrayIntArray() throws {
let m = Mat(sizes: [5, 5, 5], type: CvType.CV_32SC3, scalar: Scalar(-1, -2, -3))
let elements: [Int32] = [10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(indices: [0, 0, 4], data: elements)
XCTAssertEqual(Int32(elements.count * 4), bytesNum);
let m1 = m.submat(ranges: [Range.all(), Range.all(), Range(start: 4, end: 5)])
var buff = [Int32](repeating: 0, count: 3)
bytesNum = try m1.get(indices: [0, 0, 0], data: &buff)
XCTAssertEqual(Int32(buff.count * 4), bytesNum)
XCTAssert(buff == [10, 20, 30])
XCTAssert([40, 50, 60] == m.get(indices: [0, 1, 0]))
}
func testPutIntIntShortArray() throws {
let m = Mat(rows: 5, cols: 5, type: CvType.CV_16SC3, scalar: Scalar(-1, -2, -3))
let elements: [Int16] = [ 10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(row: 2, col: 3, data: elements)
XCTAssertEqual(Int32(elements.count * 2), bytesNum)
let m1 = m.col(3)
var buff = [Int16](repeating: 0, count: 3)
bytesNum = try m1.get(row: 2, col: 0, data: &buff)
XCTAssert(buff == [10, 20, 30])
XCTAssert([40, 50, 60] == m.get(row: 2, col: 4))
}
func testPutIntArrayShortArray() throws {
let m = Mat(sizes: [5, 5, 5], type: CvType.CV_16SC3, scalar: Scalar(-1, -2, -3))
let elements: [Int16] = [ 10, 20, 30, 40, 50, 60]
var bytesNum = try m.put(indices: [0, 2, 3], data: elements)
XCTAssertEqual(Int32(elements.count * 2), bytesNum)
let m1 = m.submat(ranges: [Range.all(), Range.all(), Range(start: 3, end: 4)])
var buff = [Int16](repeating: 0, count: 3)
bytesNum = try m1.get(indices: [0, 2, 0], data: &buff)
XCTAssert(buff == [10, 20, 30])
XCTAssert([40, 50, 60] == m.get(indices: [0, 2, 4]))
}
func testReshapeInt() throws {
let src = Mat(rows: 4, cols: 4, type: CvType.CV_8U, scalar: Scalar(0))
dst = src.reshape(channels: 4)
truth = Mat(rows: 4, cols: 1, type: CvType.CV_8UC4, scalar: Scalar(0))
try assertMatEqual(truth!, dst)
}
func testReshapeIntInt() throws {
let src = Mat(rows: 5, cols: 7, type: CvType.CV_8U, scalar: Scalar(0))
dst = src.reshape(channels: 7, rows: 5)
truth = Mat(rows: 5, cols: 1, type: CvType.CV_8UC(7), scalar: Scalar(0))
try assertMatEqual(truth!, dst)
}
func testReshapeIntIntArray() {
// 2D -> 4D
let src = Mat(rows: 6, cols: 5, type: CvType.CV_8UC3, scalar: Scalar(0))
XCTAssertEqual(2, src.dims())
XCTAssertEqual(src.rows(), src.size(0))
XCTAssertEqual(src.cols(), src.size(1))
let newShape = [1, src.channels() * src.cols(), 1, src.rows()]
dst = src.reshape(channels: 1, newshape: newShape as [NSNumber])
XCTAssertEqual(newShape.count, Int(dst.dims()))
for i in 0..<newShape.count {
XCTAssertEqual(newShape[i], dst.size(Int32(i)))
}
// 3D -> 2D
let src2 = Mat(sizes: [4, 6, 7], type: CvType.CV_8UC3, scalar: Scalar(0))
XCTAssertEqual(3, src2.dims())
XCTAssertEqual(4, src2.size(0))
XCTAssertEqual(6, src2.size(1))
XCTAssertEqual(7, src2.size(2))
let newShape2 = [src2.channels() * src2.size(2), src2.size(0) * src2.size(1)]
dst = src2.reshape(channels: 1, newshape: newShape2 as [NSNumber])
XCTAssertEqual(newShape2.count, Int(dst.dims()))
for i in 0..<newShape2.count {
XCTAssertEqual(newShape2[i], dst.size(Int32(i)))
}
}
func testCopySize() {
let src = Mat(sizes: [1, 1, 10, 10], type: CvType.CV_8UC1, scalar: Scalar(1))
XCTAssertEqual(4, src.dims())
XCTAssertEqual(1, src.size(0))
XCTAssertEqual(1, src.size(1))
XCTAssertEqual(10, src.size(2))
XCTAssertEqual(10, src.size(3))
let other = Mat(sizes: [10, 10], type: src.type())
src.copySize(other)
XCTAssertEqual(other.dims(), src.dims())
for i in 0..<other.dims() {
XCTAssertEqual(other.size(i), src.size(i))
}
}
func testRow() {
let row = gray0.row(0)
XCTAssertEqual(1, row.rows())
XCTAssertEqual(gray0.cols(), row.cols())
}
func testRowRangeIntInt() {
let rows = gray0.rowRange(start:0, end: gray0.rows() / 2)
XCTAssertEqual(gray0.rows() / 2, rows.rows())
XCTAssertEqual(gray0.cols(), rows.cols())
}
func testRowRangeRange() {
let rows = gray255.rowRange(Range(start: 0, end: 5))
XCTAssertEqual(gray255.rows() / 2, rows.rows())
XCTAssertEqual(gray255.cols(), rows.cols())
}
func testRows() {
XCTAssertEqual(OpenCVTestCase.matSize, gray0.rows())
}
func testSetToMat() throws {
let vals = Mat(rows: 7, cols: 1, type: CvType.CV_8U)
try XCTAssertEqual(vals.put(row: 0, col: 0, data: [1, 2, 3, 4, 5, 6, 7] as [Int8]), 7)
let dst = Mat(rows: 1, cols: 1, type: CvType.CV_8UC(7))
dst.setTo(value: vals)
let truth = Mat(rows: 1, cols: 1, type: CvType.CV_8UC(7))
try XCTAssertEqual(truth.put(row: 0, col: 0, data: [1, 2, 3, 4, 5, 6, 7] as [Int8]), 7)
try assertMatEqual(truth, dst)
}
func testSetToMatMat() throws {
let vals = Mat(rows: 7, cols: 1, type: CvType.CV_8U)
try XCTAssertEqual(vals.put(row: 0, col: 0, data: [1, 2, 3, 4, 5, 6, 7] as [Int8]), 7)
let dst = Mat.zeros(2, cols: 1, type: CvType.CV_8UC(7))
let mask = Mat(rows: 2, cols: 1, type: CvType.CV_8U)
try XCTAssertEqual(mask.put(row: 0, col: 0, data: [0, 1] as [Int8]), 2)
dst.setTo(value: vals, mask: mask)
let truth = Mat(rows: 2, cols: 1, type: CvType.CV_8UC(7))
try XCTAssertEqual(truth.put(row: 0, col: 0, data: [0, 0, 0, 0, 0, 0, 0] as [Int8]), 7)
try XCTAssertEqual(truth.put(row: 1, col: 0, data: [1, 2, 3, 4, 5, 6, 7] as [Int8]), 7)
try assertMatEqual(truth, dst)
}
func testSetToScalar() throws {
gray0.setTo(scalar: Scalar(127))
try assertMatEqual(gray127, gray0)
}
func testSetToScalarMask() throws {
let mask = gray0.clone()
try XCTAssertEqual(mask.put(row: 1, col: 1, data: [1, 2, 3] as [Int8]), 3)
gray0.setTo(scalar: Scalar(1), mask: mask)
XCTAssertEqual(3, Core.countNonZero(src: gray0))
Core.subtract(src1: gray0, src2: mask, dst: gray0)
XCTAssertEqual(0, Core.countNonZero(src: gray0))
}
func testSize() {
XCTAssertEqual(Size(width: OpenCVTestCase.matSize, height: OpenCVTestCase.matSize), gray0.size())
XCTAssertEqual(Size(width: 3, height: 1), v1.size())
}
func testStep1() {
XCTAssertEqual(OpenCVTestCase.matSize * CvType.channels(CvType.CV_8U), Int32(gray0.step1()))
XCTAssertEqual(3, v2.step1())
}
func testStep1Int() {
let roi = rgba0.submat(rowStart: 3, rowEnd: 5, colStart: 7, colEnd: 10)
let m = roi.clone()
XCTAssert(rgba0.channels() * rgba0.cols() <= roi.step1(0))
XCTAssertEqual(rgba0.channels(), Int32(roi.step1(1)))
XCTAssert(m.channels() * (10 - 7) <= m.step1(0))
XCTAssertEqual(m.channels(), Int32(m.step1(1)))
}
func testSubmatIntIntIntInt() {
let submat = gray0.submat(rowStart: 0, rowEnd: gray0.rows() / 2, colStart: 0, colEnd: gray0.cols() / 2)
XCTAssert(submat.isSubmatrix())
XCTAssertFalse(submat.isContinuous())
XCTAssertEqual(gray0.rows() / 2, submat.rows())
XCTAssertEqual(gray0.cols() / 2, submat.cols())
}
func testSubmatRangeRange() {
let submat = gray255.submat(rowRange: Range(start: 2, end: 4), colRange: Range(start: 2, end: 4))
XCTAssert(submat.isSubmatrix())
XCTAssertFalse(submat.isContinuous())
XCTAssertEqual(2, submat.rows())
XCTAssertEqual(2, submat.cols())
}
func testSubmatRangeArray() {
let submat = gray255_32f_3d.submat(ranges: [Range(start: 2, end: 4), Range(start: 2, end: 4), Range(start: 3, end: 6)])
XCTAssert(submat.isSubmatrix())
XCTAssertFalse(submat.isContinuous())
XCTAssertEqual(2, submat.size(0))
XCTAssertEqual(2, submat.size(1))
XCTAssertEqual(3, submat.size(2))
}
func testSubmatRect() {
let submat = gray255.submat(roi: Rect(x: 5, y: 5, width: gray255.cols() / 2, height: gray255.rows() / 2))
XCTAssert(submat.isSubmatrix())
XCTAssertFalse(submat.isContinuous())
XCTAssertEqual(gray255.rows() / 2, submat.rows())
XCTAssertEqual(gray255.cols() / 2, submat.cols())
}
func testT() throws {
try assertMatEqual(gray255, gray255.t())
let src = Mat(rows: 3, cols: 3, type: CvType.CV_16U)
try XCTAssertEqual(src.put(row: 0, col: 0, data: [1, 2, 4] as [Int16]), 6)
try XCTAssertEqual(src.put(row: 1, col: 0, data: [7, 5, 0] as [Int16]), 6)
try XCTAssertEqual(src.put(row: 2, col: 0, data: [3, 4, 6] as [Int16]), 6)
dst = src.t()
truth = Mat(rows: 3, cols: 3, type: CvType.CV_16U)
try XCTAssertEqual(truth!.put(row: 0, col: 0, data: [1, 7, 3] as [Int16]), 6)
try XCTAssertEqual(truth!.put(row: 1, col: 0, data: [2, 5, 4] as [Int16]), 6)
try XCTAssertEqual(truth!.put(row: 2, col: 0, data: [4, 0, 6] as [Int16]), 6)
try assertMatEqual(truth!, dst)
}
func testToString() {
let gray0String = "\(gray0)"
XCTAssert(gray0String.starts(with: "Mat [ 10*10*CV_8UC1, isCont=YES, isSubmat=NO, nativeObj="))
}
func testTotal() {
let nElements = gray0.rows() * gray0.cols()
XCTAssertEqual(nElements, Int32(gray0.total()))
}
func testType() {
XCTAssertEqual(CvType.CV_8UC1, gray0.type())
XCTAssertEqual(CvType.CV_32FC1, gray0_32f.type())
XCTAssertEqual(CvType.CV_8UC3, rgbLena.type())
}
func testWidth() {
XCTAssertEqual(gray0.cols(), gray0.width())
XCTAssertEqual(rgbLena.cols(), rgbLena.width())
XCTAssertEqual(rgba128.cols(), rgba128.width())
}
func testZerosIntIntInt() throws {
dst = Mat.zeros(OpenCVTestCase.matSize, cols: OpenCVTestCase.matSize, type: CvType.CV_32F)
try assertMatEqual(gray0_32f, dst, OpenCVTestCase.EPS)
}
func testZerosSizeInt() throws {
dst = Mat.zeros(Size(width: 2, height: 2), type: CvType.CV_16S)
truth = Mat(rows: 2, cols: 2, type: CvType.CV_16S, scalar: Scalar(0))
try assertMatEqual(truth!, dst)
}
func testZerosIntArray() throws {
dst = Mat.zeros(sizes: [2, 3, 4], type: CvType.CV_16S)
truth = Mat(sizes: [2, 3, 4], type: CvType.CV_16S, scalar: Scalar(0))
try assertMatEqual(truth!, dst)
}
func testMatFromByteBuffer() {
var bufferIn = [Int8](repeating:0, count: 64*64)
bufferIn[0] = 1;
bufferIn[1] = 1;
bufferIn[2] = 1;
bufferIn[3] = 1;
var m: Mat? = Mat(rows:64, cols:64, type:CvType.CV_8UC1, data:bufferIn)
XCTAssertEqual(4, Core.countNonZero(src: m!))
Core.add(src1: m!, srcScalar: Scalar(1), dst: m!)
XCTAssertEqual(4096, Core.countNonZero(src: m!))
m = nil
let data = bufferIn.withUnsafeBufferPointer { Data(buffer: $0) }
m = Mat(rows:64, cols:64, type:CvType.CV_8UC1, data:data)
Core.add(src1: m!, srcScalar: Scalar(1), dst: m!)
m = nil
let bufferOut = [UInt8](data as Data)
XCTAssertEqual(2, bufferOut[0])
XCTAssertEqual(1, bufferOut[4095])
}
func testMatFromByteBufferWithStep() {
var bufferIn = [Int8](repeating:0, count: 80*64)
bufferIn[0] = 1
bufferIn[1] = 1
bufferIn[2] = 1
bufferIn[3] = 1
bufferIn[64] = 2
bufferIn[65] = 2
bufferIn[66] = 2
bufferIn[67] = 2
bufferIn[80] = 3
bufferIn[81] = 3
bufferIn[82] = 3
bufferIn[83] = 3
var m:Mat? = Mat(rows:64, cols:64, type:CvType.CV_8UC1, data:bufferIn, step:80)
XCTAssertEqual(8, Core.countNonZero(src: m!))
Core.add(src1: m!, srcScalar: Scalar(5), dst: m!);
XCTAssertEqual(4096, Core.countNonZero(src: m!))
m = nil
let data = bufferIn.withUnsafeBufferPointer { Data(buffer: $0) }
m = Mat(rows:64, cols:64, type:CvType.CV_8UC1, data:data, step:80)
Core.add(src1: m!, srcScalar: Scalar(5), dst: m!)
m = nil
let bufferOut = [UInt8](data as Data)
XCTAssertEqual(6, bufferOut[0])
XCTAssertEqual(5, bufferOut[63])
XCTAssertEqual(2, bufferOut[64])
XCTAssertEqual(0, bufferOut[79])
XCTAssertEqual(8, bufferOut[80])
XCTAssertEqual(5, bufferOut[63*80 + 63])
}
}