add String method (hybridgroup#552)

* all: add String() method for improved log output

.gitignore

@@ -8,3 +8,4 @@ count.out
 .vscode/
 /build
 .idea/
+contrib/data.yaml

calib3d_string.go

@@ -0,0 +1,27 @@
+package gocv
+
+func (c CalibFlag) String() string {
+	switch c {
+	case CalibUseIntrinsicGuess:
+		return "calib-use-intrinsec-guess"
+	case CalibRecomputeExtrinsic:
+		return "calib-recompute-extrinsic"
+	case CalibCheckCond:
+		return "calib-check-cond"
+	case CalibFixSkew:
+		return "calib-fix-skew"
+	case CalibFixK1:
+		return "calib-fix-k1"
+	case CalibFixK2:
+		return "calib-fix-k2"
+	case CalibFixK3:
+		return "calib-fix-k3"
+	case CalibFixK4:
+		return "calib-fix-k4"
+	case CalibFixIntrinsic:
+		return "calib-fix-intrinsic"
+	case CalibFixPrincipalPoint:
+		return "calib-fix-principal-point"
+	}
+	return ""
+}

codecov.yml

@@ -0,0 +1,3 @@
+ignore:
+  - "*_string.go"
+  - "*/*_string.go"

contrib/img_hash_string.go

@@ -0,0 +1,11 @@
+package contrib
+
+func (c BlockMeanHashMode) String() string {
+	switch c {
+	case BlockMeanHashMode0:
+		return "block-mean-hash-mode0"
+	case BlockMeanHashMode1:
+		return "block-mean-hash-mode1"
+	}
+	return ""
+}

core_string.go

@@ -0,0 +1,211 @@
+package gocv
+
+func (c MatType) String() string {
+	switch c {
+	case MatTypeCV8U:
+		return "CV8U"
+	case MatTypeCV8UC2:
+		return "CV8UC2"
+	case MatTypeCV8UC3:
+		return "CV8UC3"
+	case MatTypeCV8UC4:
+		return "CV8UC4"
+	case MatTypeCV16U:
+		return "CV16U"
+	case MatTypeCV16UC2:
+		return "CV16UC2"
+	case MatTypeCV16UC3:
+		return "CV16UC3"
+	case MatTypeCV16UC4:
+		return "CV16UC4"
+	case MatTypeCV16S:
+		return "CV16S"
+	case MatTypeCV16SC2:
+		return "CV16SC2"
+	case MatTypeCV16SC3:
+		return "CV16SC3"
+	case MatTypeCV16SC4:
+		return "CV16SC4"
+	case MatTypeCV32S:
+		return "CV32S"
+	case MatTypeCV32SC2:
+		return "CV32SC2"
+	case MatTypeCV32SC3:
+		return "CV32SC3"
+	case MatTypeCV32SC4:
+		return "CV32SC4"
+	case MatTypeCV32F:
+		return "CV32F"
+	case MatTypeCV32FC2:
+		return "CV32FC2"
+	case MatTypeCV32FC3:
+		return "CV32FC3"
+	case MatTypeCV32FC4:
+		return "CV32FC4"
+	case MatTypeCV64F:
+		return "CV64F"
+	case MatTypeCV64FC2:
+		return "CV64FC2"
+	case MatTypeCV64FC3:
+		return "CV64FC3"
+	case MatTypeCV64FC4:
+		return "CV64FC4"
+	}
+	return ""
+}
+
+func (c CompareType) String() string {
+	switch c {
+	case CompareEQ:
+		return "eq"
+	case CompareGT:
+		return "gt"
+	case CompareGE:
+		return "ge"
+	case CompareLT:
+		return "lt"
+	case CompareLE:
+		return "le"
+	case CompareNE:
+		return "ne"
+	}
+	return ""
+}
+
+func (c CovarFlags) String() string {
+	switch c {
+	case CovarScrambled:
+		return "covar-scrambled"
+	case CovarNormal:
+		return "covar-normal"
+	case CovarUseAvg:
+		return "covar-use-avg"
+	case CovarScale:
+		return "covar-scale"
+	case CovarRows:
+		return "covar-rows"
+	case CovarCols:
+		return "covar-cols"
+	}
+	return ""
+}
+
+func (c DftFlags) String() string {
+	switch c {
+	case DftForward:
+		return "dft-forward"
+	case DftInverse:
+		return "dft-inverse"
+	case DftScale:
+		return "dft-scale"
+	case DftRows:
+		return "dft-rows"
+	case DftComplexOutput:
+		return "dft-complex-output"
+	case DftRealOutput:
+		return "dft-real-output"
+	case DftComplexInput:
+		return "dft-complex-input"
+	}
+	return ""
+}
+
+func (c RotateFlag) String() string {
+	switch c {
+	case Rotate90Clockwise:
+		return "rotate-90-clockwise"
+	case Rotate180Clockwise:
+		return "rotate-180-clockwise"
+	case Rotate90CounterClockwise:
+		return "rotate-90-counter-clockwise"
+	}
+	return ""
+}
+
+func (c KMeansFlags) String() string {
+	switch c {
+	case KMeansRandomCenters:
+		return "kmeans-random-centers"
+	case KMeansPPCenters:
+		return "kmeans-pp-centers"
+	case KMeansUseInitialLabels:
+		return "kmeans-use-initial-labels"
+	}
+	return ""
+}
+
+func (c NormType) String() string {
+	switch c {
+	case NormInf:
+		return "norm-inf"
+	case NormL1:
+		return "norm-l1"
+	case NormL2:
+		return "norm-l2"
+	case NormL2Sqr:
+		return "norm-l2-sqr"
+	case NormHamming:
+		return "norm-hamming"
+	case NormHamming2:
+		return "norm-hamming2"
+	case NormRelative:
+		return "norm-relative"
+	case NormMinMax:
+		return "norm-minmax"
+	}
+	return ""
+}
+
+func (c TermCriteriaType) String() string {
+	switch c {
+	case Count:
+		return "count"
+	case EPS:
+		return "eps"
+	}
+	return ""
+}
+
+func (c SolveDecompositionFlags) String() string {
+	switch c {
+	case SolveDecompositionLu:
+		return "solve-decomposition-lu"
+	case SolveDecompositionSvd:
+		return "solve-decomposition-svd"
+	case SolveDecompositionEing:
+		return "solve-decomposition-eing"
+	case SolveDecompositionCholesky:
+		return "solve-decomposition-cholesky"
+	case SolveDecompositionQr:
+		return "solve-decomposition-qr"
+	case SolveDecompositionNormal:
+		return "solve-decomposition-normal"
+	}
+	return ""
+}
+
+func (c ReduceTypes) String() string {
+	switch c {
+	case ReduceSum:
+		return "reduce-sum"
+	case ReduceAvg:
+		return "reduce-avg"
+	case ReduceMax:
+		return "reduce-max"
+	case ReduceMin:
+		return "reduce-min"
+	}
+	return ""
+}
+
+func (c SortFlags) String() string {
+	switch c {
+	case SortEveryRow:
+		return "sort-every-row"
+	case SortEveryColumn:
+		return "sort-every-column"
+	case SortDescending:
+		return "sort-descending"
+	}
+	return ""
+}

cuda/cudawarping_string.go

@@ -0,0 +1,39 @@
+package cuda
+
+func (c InterpolationFlags) String() string {
+	switch c {
+	case InterpolationNearestNeighbor:
+		return "interpolation-nearest-neighbor"
+	case InterpolationLinear:
+		return "interpolation-linear"
+	case InterpolationCubic:
+		return "interpolation-cubic"
+	case InterpolationArea:
+		return "interpolation-area"
+	case InterpolationLanczos4:
+		return "interpolation-lanczos4"
+	case InterpolationMax:
+		return "interpolation-max"
+	}
+	return ""
+}
+
+func (c BorderType) String() string {
+	switch c {
+	case BorderConstant:
+		return "border-constant"
+	case BorderReplicate:
+		return "border-replicate"
+	case BorderWrap:
+		return "border-wrap"
+	case BorderReflect101:
+		return "border-reflect101"
+	case BorderTransparent:
+		return "border-transparent"
+	case BorderDefault:
+		return "border-default"
+	case BorderIsolated:
+		return "border-isolated"
+	}
+	return ""
+}

dnn_string.go

@@ -0,0 +1,35 @@
+package gocv
+
+func (c NetBackendType) String() string {
+	switch c {
+	case NetBackendDefault:
+		return ""
+	case NetBackendHalide:
+		return "halide"
+	case NetBackendOpenVINO:
+		return "openvino"
+	case NetBackendOpenCV:
+		return "opencv"
+	case NetBackendVKCOM:
+		return "vulkan"
+	}
+	return ""
+}
+
+func (c NetTargetType) String() string {
+	switch c {
+	case NetTargetCPU:
+		return "cpu"
+	case NetTargetFP32:
+		return "fp32"
+	case NetTargetFP16:
+		return "fp16"
+	case NetTargetVPU:
+		return "vpu"
+	case NetTargetVulkan:
+		return "vulkan"
+	case NetTargetFPGA:
+		return "fpga"
+	}
+	return ""
+}

features2d_string.go

@@ -0,0 +1,33 @@
+package gocv
+
+/*
+#include <stdlib.h>
+#include "features2d.h"
+*/
+import "C"
+
+func (c FastFeatureDetectorType) String() string {
+	switch c {
+	case FastFeatureDetectorType58:
+		return "fast-feature-detector-type-58"
+	case FastFeatureDetectorType712:
+		return "fast-feature-detector-type-712"
+	case FastFeatureDetectorType916:
+		return "fast-feature-detector-type-916"
+	}
+	return ""
+}
+
+func (c DrawMatchesFlag) String() string {
+	switch c {
+	case DrawDefault:
+		return "draw-default"
+	case DrawOverOutImg:
+		return "draw-over-out-imt"
+	case NotDrawSinglePoints:
+		return "draw-single-points"
+	case DrawRichKeyPoints:
+		return "draw-rich-key-points"
+	}
+	return ""
+}