robocar-road/vendor/gocv.io/x/gocv/imgcodecs.cpp

45 lines
1.3 KiB
C++

#include "imgcodecs.h"
// Image
Mat Image_IMRead(const char* filename, int flags) {
cv::Mat img = cv::imread(filename, flags);
return new cv::Mat(img);
}
bool Image_IMWrite(const char* filename, Mat img) {
return cv::imwrite(filename, *img);
}
bool Image_IMWrite_WithParams(const char* filename, Mat img, IntVector params) {
std::vector<int> compression_params;
for (int i = 0, *v = params.val; i < params.length; ++v, ++i) {
compression_params.push_back(*v);
}
return cv::imwrite(filename, *img, compression_params);
}
void Image_IMEncode(const char* fileExt, Mat img, void* vector) {
auto vectorPtr = reinterpret_cast<std::vector<uchar> *>(vector);
cv::imencode(fileExt, *img, *vectorPtr);
}
void Image_IMEncode_WithParams(const char* fileExt, Mat img, IntVector params, void* vector) {
auto vectorPtr = reinterpret_cast<std::vector<uchar> *>(vector);
std::vector<int> compression_params;
for (int i = 0, *v = params.val; i < params.length; ++v, ++i) {
compression_params.push_back(*v);
}
cv::imencode(fileExt, *img, *vectorPtr, compression_params);
}
Mat Image_IMDecode(ByteArray buf, int flags) {
std::vector<uchar> data(buf.data, buf.data + buf.length);
cv::Mat img = cv::imdecode(data, flags);
return new cv::Mat(img);
}