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27 lines
719 B
27 lines
719 B
#include <opencv2/v4d/v4d.hpp> |
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int main() { |
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using namespace cv; |
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using namespace cv::viz; |
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Ptr<V4D> v4d = V4D::make(Size(1280, 720), "Font Rendering"); |
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v4d->setVisible(true); |
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//The text to render |
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string hw = "Hello World"; |
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//Clear with black |
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v4d->clear(); |
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//Render the text at the center of the screen |
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v4d->nvg([&](const Size& sz) { |
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using namespace cv::viz::nvg; |
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fontSize(40.0f); |
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fontFace("sans-bold"); |
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fillColor(Scalar(255, 0, 0, 255)); |
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textAlign(NVG_ALIGN_CENTER | NVG_ALIGN_TOP); |
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text(sz.width / 2.0, sz.height / 2.0, hw.c_str(), hw.c_str() + hw.size()); |
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}); |
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//Display the framebuffer in the native window in an endless loop |
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v4d->run([=](){ return v4d->display(); }); |
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} |
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