draw()

void fl::VideoFxWrapper::draw ( DrawContext context )

overridevirtual

Parameters

now	The current time in milliseconds. Fx writers are encouraged to use this instead of millis() directly as this will more deterministic behavior.

Implements fl::Fx.

Definition at line 168 of file video.cpp.hpp.

                                             {
    if (mVideo->needsFrame(context.now)) {
        mFx->draw(context); // use the leds in the context as a tmp buffer.
        mByteStream->writeCRGB(
            context.leds.data(),
            mFx->getNumLeds()); // now write the leds to the byte stream.
    }
    bool ok = mVideo->draw(context.now, context.leds);
    if (!ok) {
        FL_WARN("VideoFxWrapper: draw failed.");
    }
}

References FL_WARN, fl::DrawContext::leds, mByteStream, mFx, mVideo, and fl::DrawContext::now.

Referenced by ~VideoFxWrapper().

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