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highgui: backends and plugins#20116

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opencv-pushbot merged 1 commit intoopencv:masterfrom
alalek:highgui_backends
May 26, 2021
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highgui: backends and plugins#20116
opencv-pushbot merged 1 commit intoopencv:masterfrom
alalek:highgui_backends

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@alalek
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@alalek alalek commented May 18, 2021 •
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Goals:

  • make external dependencies optional
  • allow to select or disable U/I backend in runtime (to avoid conflicts with application libraries)
  • on-demand loading of U/I libraries
force_builders=Custom,Linux AVX2,Linux32
build_image:Linux AVX2=ubuntu:20.04
build_image:Custom=qt:16.04
buildworker:Custom=linux-1,linux-2,linux-4,linux-6

@alalek alalek mentioned this pull request May 25, 2021
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@opencv-pushbot opencv-pushbot merged commit 830cb5c into opencv:master May 26, 2021
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tompollok commented May 26, 2021

@alalek quick question: does that mean that opencv can now be compiled with qt and it creates a separate qt imgui dll so that if that dll is not available it will fall back to default opencv gui?

@mshabunin mshabunin mentioned this pull request May 26, 2021
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alalek commented May 26, 2021

@tompollok Qt is not supported as plugin by this PR.

so that if that dll is not available it will fall back to default opencv gui

Yes, this behavior makes external dependencies optional.

This was referenced May 31, 2021
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category: build/install category: highgui-gui feature

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