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opencv-wasm/modules/core/misc/objc/common/Mat.mm
2022-05-06 01:58:53 +08:00

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//
// Mat.m
//
// Created by Giles Payne on 2019/10/06.
//
#import "Mat.h"
#import "Size2i.h"
#import "Scalar.h"
#import "Range.h"
#import "Rect2i.h"
#import "Point2i.h"
#import "CvType.h"
#import "CVObjcUtil.h"
// return true if we have reached the final index
static bool incIdx(cv::Mat* mat, std::vector<int>& indices) {
for (int dim = mat->dims-1; dim>=0; dim--) {
indices[dim] = (indices[dim] + 1) % mat->size[dim];
if (indices[dim] != 0) {
return false;
}
}
return true;
}
// returns true if final index was reached
static bool updateIdx(cv::Mat* mat, std::vector<int>& indices, int inc) {
for (int index = 0; index < inc; index++) {
if (incIdx(mat, indices)) {
return true;
}
}
return false;
}
@implementation Mat {
NSData* _nsdata;
}
- (cv::Mat&)nativeRef {
return *_nativePtr;
}
- (instancetype)init {
self = [super init];
if (self) {
_nativePtr = cv::Ptr<cv::Mat>(new cv::Mat());
}
return self;
}
- (instancetype)initWithNativeMat:(cv::Ptr<cv::Mat>)nativePtr {
self = [super init];
if (self) {
_nativePtr = nativePtr;
}
return self;
}
+ (instancetype)fromNativePtr:(cv::Ptr<cv::Mat>)nativePtr {
return [[Mat alloc] initWithNativeMat:nativePtr];
}
+ (instancetype)fromNative:(cv::Mat&)nativeRef {
return [[Mat alloc] initWithNativeMat:cv::Ptr<cv::Mat>(new cv::Mat(nativeRef))];
}
- (instancetype)initWithRows:(int)rows cols:(int)cols type:(int)type {
self = [super init];
if (self) {
_nativePtr = new cv::Mat(rows, cols, type);
}
return self;
}
- (instancetype)initWithRows:(int)rows cols:(int)cols type:(int)type data:(NSData*)data {
self = [super init];
if (self) {
_nativePtr = new cv::Mat(rows, cols, type, (void*)data.bytes);
_nsdata = data; // hold onto a reference otherwise this object might be deallocated
}
return self;
}
- (instancetype)initWithRows:(int)rows cols:(int)cols type:(int)type data:(NSData*)data step:(long)step {
self = [super init];
if (self) {
_nativePtr = new cv::Mat(rows, cols, type, (void*)data.bytes, step);
_nsdata = data; // hold onto a reference otherwise this object might be deallocated
}
return self;
}
- (instancetype)initWithSize:(Size2i*)size type:(int)type {
self = [super init];
if (self) {
_nativePtr = new cv::Mat(size.width, size.height, type);
}
return self;
}
- (instancetype)initWithSizes:(NSArray<NSNumber*>*)sizes type:(int)type {
self = [super init];
if (self) {
std::vector<int> vSizes;
for (NSNumber* size in sizes) {
vSizes.push_back(size.intValue);
}
_nativePtr = new cv::Mat((int)sizes.count, vSizes.data(), type);
}
return self;
}
- (instancetype)initWithRows:(int)rows cols:(int)cols type:(int)type scalar:(Scalar*)scalar {
self = [super init];
if (self) {
cv::Scalar scalerTemp(scalar.val[0].doubleValue, scalar.val[1].doubleValue, scalar.val[2].doubleValue, scalar.val[3].doubleValue);
_nativePtr = new cv::Mat(rows, cols, type, scalerTemp);
}
return self;
}
- (instancetype)initWithSize:(Size2i*)size type:(int)type scalar:(Scalar *)scalar {
self = [super init];
if (self) {
cv::Scalar scalerTemp(scalar.val[0].doubleValue, scalar.val[1].doubleValue, scalar.val[2].doubleValue, scalar.val[3].doubleValue);
_nativePtr = new cv::Mat(size.width, size.height, type, scalerTemp);
}
return self;
}
- (instancetype)initWithSizes:(NSArray<NSNumber*>*)sizes type:(int)type scalar:(Scalar *)scalar {
self = [super init];
if (self) {
cv::Scalar scalerTemp(scalar.val[0].doubleValue, scalar.val[1].doubleValue, scalar.val[2].doubleValue, scalar.val[3].doubleValue);
std::vector<int> vSizes;
for (NSNumber* size in sizes) {
vSizes.push_back(size.intValue);
}
_nativePtr = new cv::Mat((int)sizes.count, vSizes.data(), type, scalerTemp);
}
return self;
}
- (instancetype)initWithMat:(Mat*)mat rowRange:(Range*)rowRange colRange:(Range*)colRange {
self = [super init];
if (self) {
cv::Range rows(rowRange.start, rowRange.end);
cv::Range cols(colRange.start, colRange.end);
_nativePtr = new cv::Mat(*(cv::Mat*)mat.nativePtr, rows, cols);
}
return self;
}
- (instancetype)initWithMat:(Mat*)mat rowRange:(Range*)rowRange {
self = [super init];
if (self) {
cv::Range rows(rowRange.start, rowRange.end);
_nativePtr = new cv::Mat(*(cv::Mat*)mat.nativePtr, rows);
}
return self;
}
- (instancetype)initWithMat:(Mat*)mat ranges:(NSArray<Range*>*)ranges {
self = [super init];
if (self) {
std::vector<cv::Range> tempRanges;
for (Range* range in ranges) {
tempRanges.push_back(cv::Range(range.start, range.end));
}
_nativePtr = new cv::Mat(mat.nativePtr->operator()(tempRanges));
}
return self;
}
- (instancetype)initWithMat:(Mat*)mat rect:(Rect2i*)roi {
self = [super init];
if (self) {
cv::Range rows(roi.y, roi.y + roi.height);
cv::Range cols(roi.x, roi.x + roi.width);
_nativePtr = new cv::Mat(*(cv::Mat*)mat.nativePtr, rows, cols);
}
return self;
}
- (BOOL)isSameMat:(Mat*)mat {
return self.nativePtr == mat.nativePtr;
}
- (Mat*)adjustRoiTop:(int)dtop bottom:(int)dbottom left:(int)dleft right:(int)dright {
cv::Mat adjusted = _nativePtr->adjustROI(dtop, dbottom, dleft, dright);
return [[Mat alloc] initWithNativeMat:new cv::Mat(adjusted)];
}
- (void)assignTo:(Mat*)mat type:(int)type {
_nativePtr->assignTo(*(cv::Mat*)mat.nativePtr, type);
}
- (void)assignTo:(Mat*)mat {
_nativePtr->assignTo(*(cv::Mat*)mat.nativePtr);
}
- (int)channels {
return _nativePtr->channels();
}
- (int)checkVector:(int)elemChannels depth:(int)depth requireContinuous:(BOOL) requireContinuous {
return _nativePtr->checkVector(elemChannels, depth, requireContinuous);
}
- (int)checkVector:(int)elemChannels depth:(int)depth {
return _nativePtr->checkVector(elemChannels, depth);
}
- (int)checkVector:(int)elemChannels {
return _nativePtr->checkVector(elemChannels);
}
- (Mat*)clone {
return [[Mat alloc] initWithNativeMat:(new cv::Mat(_nativePtr->clone()))];
}
- (Mat*)col:(int)x {
return [[Mat alloc] initWithNativeMat:(new cv::Mat(_nativePtr->col(x)))];
}
- (Mat*)colRange:(int)start end:(int)end {
return [[Mat alloc] initWithNativeMat:(new cv::Mat(_nativePtr->colRange(start, end)))];
}
- (Mat*)colRange:(Range*)range {
return [[Mat alloc] initWithNativeMat:(new cv::Mat(_nativePtr->colRange(range.start, range.end)))];
}
- (int)dims {
return _nativePtr->dims;
}
- (int)cols {
return _nativePtr->cols;
}
- (void)convertTo:(Mat*)mat rtype:(int)rtype alpha:(double)alpha beta:(double)beta {
_nativePtr->convertTo(*(cv::Mat*)mat->_nativePtr, rtype, alpha, beta);
}
- (void)convertTo:(Mat*)mat rtype:(int)rtype alpha:(double)alpha {
_nativePtr->convertTo(*(cv::Mat*)mat->_nativePtr, rtype, alpha);
}
- (void)convertTo:(Mat*)mat rtype:(int)rtype {
_nativePtr->convertTo(*(cv::Mat*)mat->_nativePtr, rtype);
}
- (void)copyTo:(Mat*)mat {
_nativePtr->copyTo(*(cv::Mat*)mat->_nativePtr);
}
- (void)copyTo:(Mat*)mat mask:(Mat*)mask {
_nativePtr->copyTo(*(cv::Mat*)mat->_nativePtr, *(cv::Mat*)mask->_nativePtr);
}
- (void)create:(int)rows cols:(int)cols type:(int)type {
_nativePtr->create(rows, cols, type);
}
- (void)create:(Size2i*)size type:(int)type {
cv::Size tempSize(size.width, size.height);
_nativePtr->create(tempSize, type);
}
- (void)createEx:(NSArray<NSNumber*>*)sizes type:(int)type {
std::vector<int> tempSizes;
for (NSNumber* size in sizes) {
tempSizes.push_back(size.intValue);
}
_nativePtr->create((int)tempSizes.size(), tempSizes.data(), type);
}
- (void)copySize:(Mat*)mat {
_nativePtr->copySize(*(cv::Mat*)mat.nativePtr);
}
- (Mat*)cross:(Mat*)mat {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->cross(*(cv::Mat*)mat.nativePtr))];
}
- (unsigned char*)dataPtr {
return _nativePtr->data;
}
- (int)depth {
return _nativePtr->depth();
}
- (Mat*)diag:(int)diagonal {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->diag(diagonal))];
}
- (Mat*)diag {
return [self diag:0];
}
+ (Mat*)diag:(Mat*)diagonal {
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::diag(*(cv::Mat*)diagonal.nativePtr))];
}
- (double)dot:(Mat*)mat {
return _nativePtr->dot(*(cv::Mat*)mat.nativePtr);
}
- (long)elemSize {
return _nativePtr->elemSize();
}
- (long)elemSize1 {
return _nativePtr->elemSize1();
}
- (BOOL)empty {
return _nativePtr->empty();
}
+ (Mat*)eye:(int)rows cols:(int)cols type:(int)type {
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::eye(rows, cols, type))];
}
+ (Mat*)eye:(Size2i*)size type:(int)type {
cv::Size tempSize(size.width, size.height);
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::eye(tempSize, type))];
}
- (Mat*)inv:(int)method {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->inv(method))];
}
- (Mat*)inv {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->inv())];
}
- (BOOL)isContinuous {
return _nativePtr->isContinuous();
}
- (BOOL)isSubmatrix {
return _nativePtr->isSubmatrix();
}
- (void)locateROI:(Size2i*)wholeSize ofs:(Point2i*)ofs {
cv::Size tempWholeSize;
cv::Point tempOfs;
_nativePtr->locateROI(tempWholeSize, tempOfs);
if (wholeSize != nil) {
wholeSize.width = tempWholeSize.width;
wholeSize.height = tempWholeSize.height;
}
if (ofs != nil) {
ofs.x = tempOfs.x;
ofs.y = tempOfs.y;
}
}
- (Mat*)mul:(Mat*)mat scale:(double)scale {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->mul(*(cv::Mat*)mat.nativePtr, scale))];
}
- (Mat*)mul:(Mat*)mat {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->mul(*(cv::Mat*)mat.nativePtr))];
}
+ (Mat*)ones:(int)rows cols:(int)cols type:(int)type {
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::ones(rows, cols, type))];
}
+ (Mat*)ones:(Size2i*)size type:(int)type {
cv::Size tempSize(size.width, size.height);
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::ones(tempSize, type))];
}
+ (Mat*)onesEx:(NSArray<NSNumber*>*)sizes type:(int)type {
std::vector<int> tempSizes;
for (NSNumber* size in sizes) {
tempSizes.push_back(size.intValue);
}
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::ones((int)tempSizes.size(), tempSizes.data(), type))];
}
- (void)push_back:(Mat*)mat {
_nativePtr->push_back(*(cv::Mat*)mat.nativePtr);
}
- (Mat*)reshape:(int)channels rows:(int)rows {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->reshape(channels, rows))];
}
- (Mat*)reshape:(int)channels {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->reshape(channels))];
}
- (Mat*)reshape:(int)channels newshape:(NSArray<NSNumber*>*)newshape {
std::vector<int> tempNewshape;
for (NSNumber* size in newshape) {
tempNewshape.push_back(size.intValue);
}
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->reshape(channels, tempNewshape))];
}
- (Mat*)row:(int)y {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->row(y))];
}
- (Mat*)rowRange:(int)start end:(int)end {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->rowRange(start, end))];
}
- (Mat*)rowRange:(Range*)range {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->rowRange(range.start, range.end))];
}
- (int)rows {
return _nativePtr->rows;
}
- (Mat*)setToScalar:(Scalar*)scalar {
cv::Scalar tempScalar(scalar.val[0].doubleValue, scalar.val[1].doubleValue, scalar.val[2].doubleValue, scalar.val[3].doubleValue);
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->operator=(tempScalar))];
}
- (Mat*)setToScalar:(Scalar*)scalar mask:(Mat*)mask {
cv::Scalar tempScalar(scalar.val[0].doubleValue, scalar.val[1].doubleValue, scalar.val[2].doubleValue, scalar.val[3].doubleValue);
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->setTo(tempScalar, *(cv::Mat*)mask.nativePtr))];
}
- (Mat*)setToValue:(Mat*)value mask:(Mat*)mask {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->setTo(*(cv::Mat*)value.nativePtr, *(cv::Mat*)mask.nativePtr))];
}
- (Mat*)setToValue:(Mat*)value {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->setTo(*(cv::Mat*)value.nativePtr))];
}
- (Size2i*)size {
return [[Size2i alloc] initWithWidth:_nativePtr->size().width height:_nativePtr->size().height];
}
- (int)size:(int)dimIndex {
return _nativePtr->size[dimIndex];
}
- (long)step1:(int)dimIndex {
return _nativePtr->step1(dimIndex);
}
- (long)step1 {
return _nativePtr->step1();
}
- (Mat*)submat:(int)rowStart rowEnd:(int)rowEnd colStart:(int)colStart colEnd:(int)colEnd {
Range* rowRange = [[Range alloc] initWithStart:rowStart end:rowEnd];
Range* colRange = [[Range alloc] initWithStart:colStart end:colEnd];
return [self submat:rowRange colRange:colRange];
}
- (Mat*)submat:(Range*)rowRange colRange:(Range*)colRange {
cv::Range tempRowRange(rowRange.start, rowRange.end);
cv::Range tempColRange(colRange.start, colRange.end);
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->operator()(tempRowRange, tempColRange))];
}
- (Mat*)submat:(NSArray<Range*>*)ranges {
std::vector<cv::Range> tempRanges;
for (Range* range in ranges) {
tempRanges.push_back(cv::Range(range.start, range.end));
}
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->operator()(tempRanges))];
}
- (Mat*)submatRoi:(Rect2i*)roi {
cv::Rect tempRoi(roi.x, roi.y, roi.width, roi.height);
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->operator()(tempRoi))];
}
- (Mat*)t {
return [[Mat alloc] initWithNativeMat:new cv::Mat(_nativePtr->t())];
}
- (long)total {
return _nativePtr->total();
}
- (int)type {
return _nativePtr->type();
}
+ (Mat*)zeros:(int)rows cols:(int)cols type:(int)type {
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::zeros(rows, cols, type))];
}
+ (Mat*)zeros:(Size2i*)size type:(int)type {
cv::Size tempSize(size.width, size.height);
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::zeros(tempSize, type))];
}
+ (Mat*)zerosEx:(NSArray<NSNumber*>*)sizes type:(int)type {
std::vector<int> tempSizes;
for (NSNumber* size in sizes) {
tempSizes.push_back(size.intValue);
}
return [[Mat alloc] initWithNativeMat:new cv::Mat(cv::Mat::zeros((int)tempSizes.size(), tempSizes.data(), type))];
}
- (NSString*)dimsDescription {
if (_nativePtr->dims <= 0) {
return @"-1*-1*";
} else {
NSMutableString* ret = [NSMutableString string];
for (int index=0; index<_nativePtr->dims; index++) {
[ret appendFormat:@"%d*", _nativePtr->size[index]];
}
return ret;
}
}
- (NSString*)description {
NSString* dimDesc = [self dimsDescription];
return [NSString stringWithFormat:@"Mat [ %@%@, isCont=%s, isSubmat=%s, nativeObj=0x%p, dataAddr=0x%p ]", dimDesc, [CvType typeToString:_nativePtr->type()], _nativePtr->isContinuous()?"YES":"NO", _nativePtr->isSubmatrix()?"YES":"NO", (void*)_nativePtr, (void*)_nativePtr->data];
}
- (NSString*)dump {
NSMutableString* ret = [NSMutableString string];
cv::Ptr<cv::Formatted> formatted = cv::Formatter::get()->format(*_nativePtr);
for(const char* format = formatted->next(); format; format = formatted->next()) {
[ret appendFormat:@"%s", format];
}
return ret;
}
template<typename T> void putData(uchar* dataDest, int count, T (^readData)(int)) {
T* tDataDest = (T*)dataDest;
for (int index = 0; index < count; index++) {
tDataDest[index] = readData(index);
}
}
- (void)put:(uchar*)dest data:(NSArray<NSNumber*>*)data offset:(int)offset count:(int)count {
int depth = _nativePtr->depth();
if (depth == CV_8U) {
putData(dest, count, ^uchar (int index) { return cv::saturate_cast<uchar>(data[offset + index].doubleValue);} );
} else if (depth == CV_8S) {
putData(dest, count, ^char (int index) { return cv::saturate_cast<char>(data[offset + index].doubleValue);} );
} else if (depth == CV_16U) {
putData(dest, count, ^ushort (int index) { return cv::saturate_cast<ushort>(data[offset + index].doubleValue);} );
} else if (depth == CV_16S) {
putData(dest, count, ^short (int index) { return cv::saturate_cast<short>(data[offset + index].doubleValue);} );
} else if (depth == CV_32S) {
putData(dest, count, ^int32_t (int index) { return cv::saturate_cast<int32_t>(data[offset + index].doubleValue);} );
} else if (depth == CV_32F) {
putData(dest, count, ^float (int index) { return cv::saturate_cast<float>(data[offset + index].doubleValue);} );
} else if (depth == CV_64F) {
putData(dest, count, ^double (int index) { return data[offset + index].doubleValue;} );
}
}
- (int)put:(NSArray<NSNumber*>*)indices data:(NSArray<NSNumber*>*)data {
cv::Mat* mat = _nativePtr;
int type = mat->type();
int rawValueSize = (int)(mat->elemSize() / mat->channels());
if (data == nil || data.count % [CvType channels:type] != 0) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Provided data element number (%lu) should be multiple of the Mat channels count (%d)", (unsigned long)(data == nil ? 0 : data.count), [CvType channels:type]]
userInfo:nil];
@throw exception;
}
std::vector<int> tempIndices;
for (NSNumber* index in indices) {
tempIndices.push_back(index.intValue);
}
for (int index = 0; index < mat->dims; index++) {
if (mat->size[index]<=tempIndices[index]) {
return 0; // indexes out of range
}
}
int arrayAvailable = (int)data.count;
int matAvailable = getMatAvailable(mat, tempIndices);
int available = MIN(arrayAvailable, matAvailable);
int copyOffset = 0;
int copyCount = MIN((mat->size[mat->dims - 1] - tempIndices[mat->dims - 1]) * mat->channels(), available);
int result = (int)(available * rawValueSize);
while (available > 0) {
[self put:mat->ptr(tempIndices.data()) data:data offset:(int)copyOffset count:copyCount];
if (updateIdx(mat, tempIndices, copyCount / mat->channels())) {
break;
}
available -= copyCount;
copyOffset += copyCount;
copyCount = MIN(mat->size[mat->dims-1] * mat->channels(), available);
}
return result;
}
- (int)put:(int)row col:(int)col data:(NSArray<NSNumber*>*)data {
NSArray<NSNumber*>* indices = @[[NSNumber numberWithInt:row], [NSNumber numberWithInt:col]];
return [self put:indices data:data];
}
template<typename T> void getData(uchar* dataSource, int count, void (^writeData)(int,T)) {
T* tDataSource = (T*)dataSource;
for (int index = 0; index < count; index++) {
writeData(index, tDataSource[index]);
}
}
- (void)get:(uchar*)source data:(NSMutableArray<NSNumber*>*)data offset:(int)offset count:(int)count {
int depth = _nativePtr->depth();
if (depth == CV_8U) {
getData(source, count, ^void (int index, uchar value) { data[offset + index] = [[NSNumber alloc] initWithUnsignedChar:value]; } );
} else if (depth == CV_8S) {
getData(source, count, ^void (int index, char value) { data[offset + index] = [[NSNumber alloc] initWithChar:value]; } );
} else if (depth == CV_16U) {
getData(source, count, ^void (int index, ushort value) { data[offset + index] = [[NSNumber alloc] initWithUnsignedShort:value]; } );
} else if (depth == CV_16S) {
getData(source, count, ^void (int index, short value) { data[offset + index] = [[NSNumber alloc] initWithShort:value]; } );
} else if (depth == CV_32S) {
getData(source, count, ^void (int index, int32_t value) { data[offset + index] = [[NSNumber alloc] initWithInt:value]; } );
} else if (depth == CV_32F) {
getData(source, count, ^void (int index, float value) { data[offset + index] = [[NSNumber alloc] initWithFloat:value]; } );
} else if (depth == CV_64F) {
getData(source, count, ^void (int index, double value) { data[offset + index] = [[NSNumber alloc] initWithDouble:value]; } );
}
}
- (int)get:(NSArray<NSNumber*>*)indices data:(NSMutableArray<NSNumber*>*)data {
cv::Mat* mat = _nativePtr;
int type = mat->type();
if (data == nil || data.count % [CvType channels:type] != 0) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Provided data element number (%lu) should be multiple of the Mat channels count (%d)", (unsigned long)(data == nil ? 0 : data.count), [CvType channels:type]]
userInfo:nil];
@throw exception;
}
std::vector<int> tempIndices;
for (NSNumber* index in indices) {
tempIndices.push_back(index.intValue);
}
for (int index = 0; index < mat->dims; index++) {
if (mat->size[index]<=tempIndices[index]) {
return 0; // indexes out of range
}
}
int arrayAvailable = (int)data.count;
int copyOffset = 0;
int matAvailable = getMatAvailable(mat, tempIndices);
int available = MIN(arrayAvailable, matAvailable);
int copyCount = MIN((mat->size[mat->dims - 1] - tempIndices[mat->dims - 1]) * mat->channels(), available);
int result = (int)(available * mat->elemSize() / mat->channels());
while (available > 0) {
[self get:mat->ptr(tempIndices.data()) data:data offset:(int)copyOffset count:copyCount];
if (updateIdx(mat, tempIndices, copyCount / mat->channels())) {
break;
}
available -= copyCount;
copyOffset += copyCount;
copyCount = MIN(mat->size[mat->dims-1] * mat->channels(), available);
}
return result;
}
- (int)get:(int)row col:(int)col data:(NSMutableArray<NSNumber*>*)data {
NSArray<NSNumber*>* indices = @[[NSNumber numberWithInt:row], [NSNumber numberWithInt:col]];
return [self get:indices data:data];
}
- (NSArray<NSNumber*>*)get:(int)row col:(int)col {
NSMutableArray<NSNumber*>* result = [NSMutableArray new];
for (int index = 0; index<_nativePtr->channels(); index++) {
[result addObject:@0];
}
[self get:row col:col data:result];
return result;
}
- (NSArray<NSNumber*>*)get:(NSArray<NSNumber*>*)indices {
NSMutableArray<NSNumber*>* result = [NSMutableArray new];
for (int index = 0; index<_nativePtr->channels(); index++) {
[result addObject:@0];
}
[self get:indices data:result];
return result;
}
template<typename T> void getData(uchar* source, void (^writeData)(int,T), int dataOffset, int dataLength) {
T* tSource = (T*)source;
for (int index = 0; index < dataLength; index++) {
writeData(dataOffset+index, tSource[index]);
}
}
int getMatAvailable(cv::Mat* mat, std::vector<int>& indices) {
int blockSize = 1;
int unavailableCount = 0;
for (int index = mat->dims - 1; index >= 0; index--) {
unavailableCount += blockSize * indices[index];
blockSize *= mat->size[index];
}
return (int)(mat->channels() * (mat->total() - unavailableCount));
}
template<typename T> int getData(NSArray<NSNumber*>* indices, cv::Mat* mat, int count, T* tBuffer) {
std::vector<int> tempIndices;
for (NSNumber* index in indices) {
tempIndices.push_back(index.intValue);
}
for (int index = 0; index < mat->dims; index++) {
if (mat->size[index]<=tempIndices[index]) {
return 0; // indexes out of range
}
}
int arrayAvailable = count;
int matAvailable = getMatAvailable(mat, tempIndices);
int available = MIN(arrayAvailable, matAvailable);
int result = (int)(available * mat->elemSize() / mat->channels());
if (mat->isContinuous()) {
memcpy(tBuffer, mat->ptr(tempIndices.data()), available * sizeof(T));
} else {
int copyOffset = 0;
int copyCount = MIN((mat->size[mat->dims - 1] - tempIndices[mat->dims - 1]) * mat->channels(), available);
while (available > 0) {
memcpy(tBuffer + copyOffset, mat->ptr(tempIndices.data()), copyCount * sizeof(T));
if (updateIdx(mat, tempIndices, copyCount / mat->channels())) {
break;
}
available -= copyCount;
copyOffset += copyCount * sizeof(T);
copyCount = MIN(mat->size[mat->dims-1] * mat->channels(), available);
}
}
return result;
}
- (int)get:(NSArray<NSNumber*>*)indices count:(int)count byteBuffer:(char*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_8U && depth != CV_8S) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depths for this call are CV_8U or CV_8S.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return getData(indices, _nativePtr, count, buffer);
}
- (int)get:(NSArray<NSNumber*>*)indices count:(int)count doubleBuffer:(double*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_64F) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_64F.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return getData(indices, _nativePtr, count, buffer);
}
- (int)get:(NSArray<NSNumber*>*)indices count:(int)count floatBuffer:(float*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_32F) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_32F.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return getData(indices, _nativePtr, count, buffer);
}
- (int)get:(NSArray<NSNumber*>*)indices count:(int)count intBuffer:(int*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_32S) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_32S.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return getData(indices, _nativePtr, count, buffer);
}
- (int)get:(NSArray<NSNumber*>*)indices count:(int)count shortBuffer:(short*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_16S && depth != CV_16U) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depths for this call are CV_16S and CV_16U.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return getData(indices, _nativePtr, count, buffer);
}
template<typename T> int putData(NSArray<NSNumber*>* indices, cv::Mat* mat, int count, const T* tBuffer) {
std::vector<int> tempIndices;
for (NSNumber* index in indices) {
tempIndices.push_back(index.intValue);
}
for (int index = 0; index < mat->dims; index++) {
if (mat->size[index]<=tempIndices[index]) {
return 0; // indexes out of range
}
}
int arrayAvailable = count;
int matAvailable = getMatAvailable(mat, tempIndices);
int available = MIN(arrayAvailable, matAvailable);
int result = (int)(available * mat->elemSize() / mat->channels());
if (mat->isContinuous()) {
memcpy(mat->ptr(tempIndices.data()), tBuffer, available * sizeof(T));
} else {
int copyOffset = 0;
int copyCount = MIN((mat->size[mat->dims - 1] - tempIndices[mat->dims - 1]) * mat->channels(), available);
while (available > 0) {
memcpy(mat->ptr(tempIndices.data()), tBuffer + copyOffset, copyCount * sizeof(T));
if (updateIdx(mat, tempIndices, copyCount / mat->channels())) {
break;
}
available -= copyCount;
copyOffset += copyCount * sizeof(T);
copyCount = MIN(mat->size[mat->dims-1] * (int)mat->channels(), available);
}
}
return result;
}
- (int)put:(NSArray<NSNumber*>*)indices count:(int)count byteBuffer:(const char*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_8U && depth != CV_8S) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depths for this call are CV_8U or CV_8S.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return putData(indices, _nativePtr, count, buffer);
}
- (int)put:(NSArray<NSNumber*>*)indices count:(int)count doubleBuffer:(const double*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_64F) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_64F.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return putData(indices, _nativePtr, count, buffer);
}
- (int)put:(NSArray<NSNumber*>*)indices count:(int)count floatBuffer:(const float*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_32F) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_32F.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return putData(indices, _nativePtr, count, buffer);
}
- (int)put:(NSArray<NSNumber*>*)indices count:(int)count intBuffer:(const int*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_32S) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depth for this call is CV_32S.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return putData(indices, _nativePtr, count, buffer);
}
- (int)put:(NSArray<NSNumber*>*)indices count:(int)count shortBuffer:(const short*)buffer {
int depth = _nativePtr->depth();
if (depth != CV_16S && depth != CV_16U) {
NSException* exception = [NSException
exceptionWithName:@"UnsupportedOperationException"
reason:[NSString stringWithFormat:@"Invalid depth (%@). Valid depths for this call are CV_16S and CV_16U.", [CvType typeToString:depth]]
userInfo:nil];
@throw exception;
}
return putData(indices, _nativePtr, count, buffer);
}
- (int)height {
return [self rows];
}
- (int)width {
return [self cols];
}
@end