#include "SequenceFrame.h"

#include <QPainter>

SequenceFrame::SequenceFrame(const QStringList& paths, QWidget* parent)
    : QWidget(parent) {
    InitImageList(paths);

    connect(&timer_, &QTimer::timeout, this, &SequenceFrame::OnTimeout);
    timer_.start(80);
}

void SequenceFrame::Start() {
    currentIndex_ = 0;
}

void SequenceFrame::paintEvent(QPaintEvent* event) {
    if (imageList_.isEmpty()) {
        return;
    }

    QPainter painter(this);

    const QPixmap& image = imageList_.at(currentIndex_);
    const QRect& r = rect();
    painter.drawPixmap(r, image, image.rect());

    //QString text = QString("x:%1, y:%2").arg(r.x()).arg(r.y());
    //painter.drawText(r.bottomRight(), text);
}

void SequenceFrame::InitImageList(const QStringList& paths) {
    for (const QString& path : paths) {
        QPixmap pixmap(path);
        if (!pixmap.isNull()) {
            imageList_.append(pixmap);
        }
    }
}

void SequenceFrame::OnTimeout() {
    currentIndex_ = (currentIndex_ + 1) % imageList_.size();
    //const QPixmap& image = imageList_.at(currentIndex_);
  //  setMask(image.mask());
    update();
}