diff --git a/CMakeLists.txt b/CMakeLists.txt index 4a1949c..aa3c104 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -19,7 +19,7 @@ set(LIBRARY_DEPS ${OpenCV_LIBS}) # BUILD add_subdirectory(sample_template) # Add you directory here -# add_subdirectory(sample_YOUR_NAME) + add_subdirectory(sample_maslova) # REPORT message( STATUS "") diff --git a/sample_maslova/CMakeLists.txt b/sample_maslova/CMakeLists.txt new file mode 100644 index 0000000..45956af --- /dev/null +++ b/sample_maslova/CMakeLists.txt @@ -0,0 +1,7 @@ +set(target "sample_maslova") + +file(GLOB hdrs "*.hpp") +file(GLOB srcs "*.cpp") + +add_executable(${target} ${srcs} ${hdrs}) +target_link_libraries(${target} ${LIBRARY_DEPS}) diff --git a/sample_maslova/application.cpp b/sample_maslova/application.cpp new file mode 100644 index 0000000..da267a2 --- /dev/null +++ b/sample_maslova/application.cpp @@ -0,0 +1,197 @@ +#include "application.hpp" +#include "processing.hpp" +#include +#include + +using namespace cv; + +int Application::parseArguments(int argc, const char **argv, + Application::Parameters ¶ms) +{ + if (argc < 2) + { + return 1; + } + params.imgFileName = std::string(argv[1]); + return 0; +} + +int Application::getFrame(const std::string &fileName, Mat& src) +{ + src = imread(fileName); + if (src.empty()) + { + return 1; + } + return 0; +} + +int Application::processFrame(const Mat& src, Mat& dst) +{ + processor.processFrame(src, dst, guiState.filter); + + if (dst.empty()) + { + return 1; + } + + return 0; +} + +int Application::drawButtons(Mat &display) +{ + guiState.onButtonPlace = Rect(20, display.rows - 60, 120, 40); + guiState.offButtonPlace = Rect(160, display.rows - 60, 120, 40); + guiState.saveButtonPlace = Rect(300, display.rows - 60, 120, 40); + guiState.medianButtonPlace = Rect(440, display.rows - 60, 120, 40); + guiState.grayButtonPlace = Rect(580, display.rows - 60, 120, 40); + guiState.pixelButtonPlace = Rect(720, display.rows - 60, 140, 40); + guiState.cannyButtonPlace = Rect(880, display.rows - 60, 120, 40); + rectangle(display, guiState.onButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.offButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.saveButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.medianButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.grayButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.pixelButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + rectangle(display, guiState.cannyButtonPlace, + Scalar(128, 128, 128), CV_FILLED); + + putText(display, "on", + Point(guiState.onButtonPlace.x + guiState.onButtonPlace.width / 2 - 15, + guiState.onButtonPlace.y + guiState.onButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "off", + Point(guiState.offButtonPlace.x + guiState.offButtonPlace.width / 2 - 20, + guiState.offButtonPlace.y + guiState.offButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "save", + Point(guiState.saveButtonPlace.x + guiState.saveButtonPlace.width / 2 - 20, + guiState.saveButtonPlace.y + guiState.saveButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "median", + Point(guiState.medianButtonPlace.x + guiState.medianButtonPlace.width / 2 - 60, + guiState.medianButtonPlace.y + guiState.medianButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "gray", + Point(guiState.grayButtonPlace.x + guiState.grayButtonPlace.width / 2 - 40, + guiState.grayButtonPlace.y + guiState.grayButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "pixelized", + Point(guiState.pixelButtonPlace.x + guiState.pixelButtonPlace.width / 2 - 60, + guiState.pixelButtonPlace.y + guiState.pixelButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + putText(display, "canny", + Point(guiState.cannyButtonPlace.x + guiState.cannyButtonPlace.width / 2 - 40, + guiState.cannyButtonPlace.y + guiState.cannyButtonPlace.height / 2 + 10), + FONT_HERSHEY_SIMPLEX, 1.0, Scalar(0, 0, 0), 2); + + return 0; +} + +int Application::showFrame(const std::string &caption, + const Mat& src, Mat& dst) +{ + if (guiState.state == OffFilter) + { + src.copyTo(dst); + } + else if (guiState.state == OnFilter) + { + processFrame(src, dst); + } + else + { + return 1; + } + Mat display(src.rows, src.cols + dst.cols, src.type()); + Mat srcRoi = display(Rect(0, 0, src.cols, src.rows)); + src.copyTo(srcRoi); + Mat dstRoi = display(Rect(src.cols, 0, dst.cols, dst.rows)); + dst.copyTo(dstRoi); + + if(guiState.saveState) + { + int hours, minutes, seconds; + hours = (time(0)/3600)%24; + minutes = (time(0)/60)%60; + seconds = time(0)%60; + std::string s = ""; + std::stringstream ss; + ss<>s; + ss.clear(); + imwrite(s, display); + guiState.saveState = false; + } + + drawButtons(display); + + namedWindow(caption); + imshow(caption, display); + setMouseCallback(caption, onButtonsOnOffClick, &guiState); + char key = waitKey(1); + + return key; +} + +void onButtonsOnOffClick(int eventId, int x, int y, int flags, void *userData) +{ + if (eventId != EVENT_LBUTTONDOWN) + { + return; + } + Application::GUIElementsState *elems = + (Application::GUIElementsState *)userData; + if (onButtonClicked(elems->onButtonPlace, x, y)) + { + elems->state = Application::OnFilter; + return; + } + if (onButtonClicked(elems->offButtonPlace, x, y)) + { + elems->state = Application::OffFilter; + return; + } + if (onButtonClicked(elems->saveButtonPlace, x, y)) + { + elems->saveState = true; + return; + } + if (onButtonClicked(elems->medianButtonPlace, x, y)) + { + elems->filter = Processing::MEDIAN; + return; + } + if (onButtonClicked(elems->grayButtonPlace, x, y)) + { + elems->filter = Processing::CVT_CONVERT_GRAY; + return; + } + if (onButtonClicked(elems->pixelButtonPlace, x, y)) + { + elems->filter = Processing::PIXELIZED; + return; + } + if (onButtonClicked(elems->cannyButtonPlace, x, y)) + { + elems->filter = Processing::CANNY; + return; + } +} + +bool onButtonClicked(cv::Rect buttonPlace, int x, int y) +{ + if (x < buttonPlace.x || x > buttonPlace.x + buttonPlace.width || + y < buttonPlace.y || y > buttonPlace.y + buttonPlace.height) + { + return false; + } + return true; +} + diff --git a/sample_maslova/application.hpp b/sample_maslova/application.hpp new file mode 100644 index 0000000..bbd1eff --- /dev/null +++ b/sample_maslova/application.hpp @@ -0,0 +1,58 @@ +#pragma once + +#include +#include +#include + +#include "processing.hpp" + +bool onButtonClicked(cv::Rect buttonPlace, int x, int y); +void onButtonsOnOffClick(int eventId, int x, int y, int flags, void *userData); + +class Application +{ + public: + enum WindowState + { + OnFilter, + OffFilter + }; + struct Parameters + { + std::string imgFileName; + }; + struct GUIElementsState + { + WindowState state; + cv::Rect onButtonPlace; + cv::Rect offButtonPlace; + cv::Rect saveButtonPlace; + cv::Rect medianButtonPlace; + cv::Rect grayButtonPlace; + cv::Rect pixelButtonPlace; + cv::Rect cannyButtonPlace; + bool saveState; + Processing::FilterType filter; + }; + int parseArguments(int argc, const char **argv, Parameters ¶ms); + int getFrame(const std::string &fileName, cv::Mat& src); + int processFrame(const cv::Mat& src, cv::Mat& dst); + int showFrame(const std::string &caption, + const cv::Mat& src, cv::Mat& dst); + friend void onButtonsOnOffClick(int eventId, int x, int y, + int flags, void *userData); + Application() + { + guiState.state = OnFilter; + guiState.saveState = false; + guiState.filter = Processing::MEDIAN; + }; + + private: + Processing processor; + GUIElementsState guiState; + + int drawButtons(cv::Mat &display); + + friend bool onButtonClicked(cv::Rect buttonPlace, int x, int y); +}; diff --git a/sample_maslova/main.cpp b/sample_maslova/main.cpp new file mode 100644 index 0000000..43ff041 --- /dev/null +++ b/sample_maslova/main.cpp @@ -0,0 +1,44 @@ +#include +#include + +#include "application.hpp" + +using namespace std; +using namespace cv; + +enum ErrorCode { + OK, + WRONG_ARGUMENTS, + WRONG_INPUT, + CANT_PROCESS +}; + +int main(int argc, const char **argv) +{ + Application app; + Application::Parameters params; + + if (app.parseArguments(argc, argv, params) != 0) + { + cout << "sample_template " << endl; + cout << " - image name for filtering" << endl; + return WRONG_ARGUMENTS; + } + + Mat src; + if (app.getFrame(params.imgFileName, src) != 0) + { + cout << "Error: \'src\' image is null or empty!" << endl; + return WRONG_INPUT; + } + + const std::string caption = "OpenCV Sample"; + char key = 0; + Mat dst(src.rows, src.cols, src.type()); + while (key != 27) // Esc + { + key = app.showFrame(caption, src, dst); + } + + return OK; +} diff --git a/sample_maslova/processing.cpp b/sample_maslova/processing.cpp new file mode 100644 index 0000000..2a32faf --- /dev/null +++ b/sample_maslova/processing.cpp @@ -0,0 +1,56 @@ +#include "processing.hpp" + +#include +#include +#include +using namespace cv; +#define PI 3.1415926 + +void Processing::processFrame(const cv::Mat& src, cv::Mat& dst, FilterType filter = MEDIAN) +{ + srand((unsigned)time(NULL)); + int h, w; + w = src.rows/8+rand()%(src.rows/8-1); + h = src.rows/8+rand()%(src.cols/8-1); + src.copyTo(dst); + static double diff = 0, dir=0.01; + if(diff<0||diff>2*PI) dir*=-1; + diff+=dir; + int x = src.rows/2+src.rows/4*cos(diff); + int y = src.cols/2+src.cols/4*sin(diff); + cv::Rect region(x-w, y-h, w, h); + Mat roi = dst(region); + int kSize, i=0, j=0; + cv::Rect rect; + Mat gray; + switch (filter){ + case MEDIAN: + kSize=11; + medianBlur(roi, roi, kSize); + break; + case CVT_CONVERT_GRAY: + cvtColor(roi, gray, COLOR_BGR2GRAY); cvtColor(gray, roi, COLOR_GRAY2BGR); + break; + case PIXELIZED: + kSize=3; + for (i = 0; i < roi.rows; i += kSize) + { + for (int j = 0; j < roi.cols; j += kSize) + { + rect = cv::Rect(j, i, kSize, kSize) & + cv::Rect(0, 0, roi.cols, roi.rows); + + cv::Mat sub_dst(roi, rect); + sub_dst.setTo(cv::mean(roi(rect))); + } + } + break; + case CANNY: + cvtColor(roi, gray, COLOR_BGR2GRAY); + Canny(gray, gray, 0, 50); + cvtColor(gray,roi,COLOR_GRAY2BGR); + break; + + } + rectangle(dst, region, Scalar(255, 0, 0)); +} diff --git a/sample_maslova/processing.hpp b/sample_maslova/processing.hpp new file mode 100644 index 0000000..ddd8d1f --- /dev/null +++ b/sample_maslova/processing.hpp @@ -0,0 +1,18 @@ +#pragma once + +#include + +class Processing +{ + public: + + enum FilterType + { + MEDIAN, + CVT_CONVERT_GRAY, + PIXELIZED, + CANNY + }; + + void processFrame(const cv::Mat& src, cv::Mat& dst, FilterType filter); +};