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29 lines
832 B
29 lines
832 B
#include <opencv2/v4d/v4d.hpp> |
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#include <opencv2/imgcodecs.hpp> |
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using namespace cv; |
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using namespace cv::v4d; |
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int main() { |
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//Creates a V4D object for on screen rendering |
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Ptr<V4D> window = V4D::make(Size(1280, 720), cv::Size(), "Display image and FB"); |
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//Read an image as UMat |
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#ifdef __EMSCRIPTEN__ |
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UMat image = read_embedded_image("doc/lena.png").getUMat(ACCESS_READ); |
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#else |
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UMat image = imread(samples::findFile("lena.jpg")).getUMat(ACCESS_READ); |
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#endif |
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UMat resized; |
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UMat converted; |
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resize(image, resized, window->framebufferSize()); |
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cvtColor(resized, converted, COLOR_RGB2BGRA); |
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//Display the framebuffer in the native window in an endless loop |
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window->run([=](){ |
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window->fb([&](UMat& framebuffer){ |
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converted.copyTo(framebuffer); |
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}); |
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return window->display(); |
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}); |
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}
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