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

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2019-12-29 17:39:08 +00:00
#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);
}
struct ByteArray Image_IMEncode(const char* fileExt, Mat img) {
std::vector<uchar> data;
cv::imencode(fileExt, *img, data);
return toByteArray(reinterpret_cast<const char*>(&data[0]), data.size());
}
struct ByteArray Image_IMEncode_WithParams(const char* fileExt, Mat img, IntVector params) {
std::vector<uchar> data;
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, data, compression_params);
return toByteArray(reinterpret_cast<const char*>(&data[0]), data.size());
}
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);
}