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57 lines
2.2 KiB
C++
57 lines
2.2 KiB
C++
#include <opencv2/imgproc.hpp> // cv::FONT*, cv::LINE*, cv::FILLED
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#include <opencv2/highgui.hpp> // imwrite
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#include <opencv2/gapi.hpp>
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#include <opencv2/gapi/render.hpp>
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int main(int argc, char *argv[])
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{
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if (argc < 2) {
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std::cerr << "Filename required" << std::endl;
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return 1;
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}
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const auto font = cv::FONT_HERSHEY_DUPLEX;
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const auto blue = cv::Scalar{ 255, 0, 0}; // B/G/R
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const auto green = cv::Scalar{ 0, 255, 0};
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const auto coral = cv::Scalar{0x81,0x81,0xF1};
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const auto white = cv::Scalar{ 255, 255, 255};
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cv::Mat test(cv::Size(480, 160), CV_8UC3, white);
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namespace draw = cv::gapi::wip::draw;
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std::vector<draw::Prim> prims;
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prims.emplace_back(draw::Circle{ // CIRCLE primitive
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{400,72}, // Position (a cv::Point)
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32, // Radius
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coral, // Color
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cv::FILLED, // Thickness/fill type
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cv::LINE_8, // Line type
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0 // Shift
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});
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prims.emplace_back(draw::Text{ // TEXT primitive
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"Hello from G-API!", // Text
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{64,96}, // Position (a cv::Point)
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font, // Font
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1.0, // Scale (size)
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blue, // Color
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2, // Thickness
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cv::LINE_8, // Line type
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false // Bottom left origin flag
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});
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prims.emplace_back(draw::Rect{ // RECTANGLE primitive
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{16,48,400,72}, // Geometry (a cv::Rect)
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green, // Color
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2, // Thickness
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cv::LINE_8, // Line type
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0 // Shift
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});
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prims.emplace_back(draw::Mosaic{ // MOSAIC primitive
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{320,96,128,32}, // Geometry (a cv::Rect)
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16, // Cell size
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0 // Decimation
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});
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draw::render(test, prims);
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cv::imwrite(argv[1], test);
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return 0;
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}
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