Method setReadNodeOriginalFrameRange

Engine/WriteNode.cpp:597–636

}

void
WriteNodePrivate::setReadNodeOriginalFrameRange()
{
    NodePtr readNode = readBackNode.lock();

    if (!readNode) {
        return;
    }
    NodePtr writeNode = embeddedPlugin.lock();
    if (!writeNode) {
        return;
    }
    double first, last;
    writeNode->getEffectInstance()->getFrameRange_public(writeNode->getEffectInstance()->getHash(), &first, &last);

    {
        KnobPtr originalFrameRangeKnob = readNode->getKnobByName(kReaderParamNameOriginalFrameRange);
        assert(originalFrameRangeKnob);
        KnobInt* originalFrameRange = dynamic_cast<KnobInt*>( originalFrameRangeKnob.get() );
        if (originalFrameRange) {
            originalFrameRange->setValues(first, last, ViewSpec::all(), eValueChangedReasonNatronInternalEdited);
        }
    }
    {
        KnobPtr firstFrameKnob = readNode->getKnobByName(kParamFirstFrame);
        assert(firstFrameKnob);
        KnobInt* firstFrame = dynamic_cast<KnobInt*>( firstFrameKnob.get() );
        if (firstFrame) {
            firstFrame->setValue(first);
        }
    }
    {
        KnobPtr lastFrameKnob = readNode->getKnobByName(kParamLastFrame);
        assert(lastFrameKnob);
        KnobInt* lastFrame = dynamic_cast<KnobInt*>( lastFrameKnob.get() );
        if (lastFrame) {
            lastFrame->setValue(last);
        }
    }
}

void
WriteNodePrivate::createReadNodeAndConnectGraph(const std::string& filename)