Method scheduleImageDownSampling

lib/document/document.cpp:97–124

}

void DocumentPrivate::scheduleImageDownSampling(int invertedZoom)
{
    LOG("invertedZoom=" << invertedZoom);
    auto job = qobject_cast<DownSamplingJob *>(mCurrentJob.data());
    if (job && job->mInvertedZoom == invertedZoom) {
        LOG("Current job is already doing it");
        return;
    }

    // Remove any previously scheduled downsampling job
    DocumentJobQueue::Iterator it;
    for (it = mJobQueue.begin(); it != mJobQueue.end(); ++it) {
        auto job = qobject_cast<DownSamplingJob *>(*it);
        if (!job) {
            continue;
        }
        if (job->mInvertedZoom == invertedZoom) {
            // Already scheduled, nothing to do
            LOG("Already scheduled");
            return;
        } else {
            LOG("Removing downsampling job");
            mJobQueue.erase(it);
            delete job;
        }
    }
    q->enqueueJob(new DownSamplingJob(invertedZoom));
}

void DocumentPrivate::downSampleImage(int invertedZoom)
{