Esempio n. 1
0
void DirectoryMangaVolume::prefetch() {
    int theoretical_min = prefetchMin();
    int theoretical_max = prefetchMax();
    theoretical_max = std::max(theoretical_min+1,theoretical_max);
    //qWarning() << theoretical_min << " " << theoretical_max;
    //clear out pages that aren't necessary anymore
    while(m_prefetched_pages.size() > 0 &&
          m_prefetched_pages.cbegin()->first < theoretical_min) {
        //qWarning() << "front unprefetched: " << m_prefetched_pages.begin()->first;
        m_prefetched_pages.erase(m_prefetched_pages.begin());
    }
    while(m_prefetched_pages.size() > 0 &&
          m_prefetched_pages.crbegin()->first > theoretical_max) {
        //qWarning() << "back unprefetched: " << m_prefetched_pages.crbegin()->first;
        //qWarning() << m_prefetched_pages.crbegin()->second.getFilename();
        m_prefetched_pages.erase(--(m_prefetched_pages.crbegin().base()));
    }
    //if empty fill it in
    if( m_prefetched_pages.size() == 0) {
        for(int i=theoretical_min; i < theoretical_max; ++i) {
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    }
    //else fill in the front and back
    if(theoretical_min < m_prefetched_pages.cbegin()->first) {
        int endPos = m_prefetched_pages.cbegin()->first;
        for(int i=theoretical_min; i < endPos; ++i) {
            //qWarning() << "font prefetched: " << i;
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    }
    if(theoretical_max > m_prefetched_pages.crbegin()->first) {
        int startPos = m_prefetched_pages.crbegin()->first+1;
        for(int i=startPos; i < theoretical_max; ++i) {
            //qWarning() << "back prefetched: " << i;
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    }

}
Esempio n. 2
0
void DirectoryMangaVolume::prefetch() {
    int theoretical_min = prefetchMin();
    int theoretical_max = prefetchMax();
    theoretical_max = std::max(theoretical_min+1,theoretical_max);
    qWarning() << theoretical_min << " " << theoretical_max;
    if( m_prefetched_pages.size() == 0) {
        for(int i=theoretical_min; i < theoretical_max; ++i) {
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    }
    if(theoretical_min < m_prefetched_pages.cbegin()->first) {
        int endPos = m_prefetched_pages.cbegin()->first;
        for(int i=theoretical_min; i < endPos; ++i) {
            qWarning() << "font prefetched: " << i;
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    } else {
            while(m_prefetched_pages.cbegin()->first < theoretical_min) {
                qWarning() << "front unprefetched: " << m_prefetched_pages.begin()->first;
                m_prefetched_pages.erase(m_prefetched_pages.begin());
            }
    }
    if(theoretical_max > m_prefetched_pages.crbegin()->first) {
        int startPos = m_prefetched_pages.crbegin()->first+1;
        for(int i=startPos; i < theoretical_max; ++i) {
            qWarning() << "back prefetched: " << i;
            m_prefetched_pages[i] = MangaPage(m_page_names[i]);
        }
    } else {
            while(m_prefetched_pages.crbegin()->first > theoretical_max) {
                qWarning() << "back unprefetched: " << m_prefetched_pages.crbegin()->first;
                qWarning() << m_prefetched_pages.crbegin()->second.getFilename();
                m_prefetched_pages.erase(--(m_prefetched_pages.crbegin().base()));
            }
    }

}