#include "previewimageprovider.h"

PreviewImageProvider::PreviewImageProvider()

        : QQuickImageProvider(QQuickImageProvider::Pixmap)

{

}

QPixmap PreviewImageProvider::requestPixmap(const QString &id, QSize *size, const QSize &requestedSize)

{

    Q_UNUSED(id);

    Q_UNUSED(requestedSize);

    if (size)

        *size = m_px.size();

    return m_px;

}

void PreviewImageProvider::setPixmap(const QByteArray &px)

{

    QVector<QRgb> colorTable;

    colorTable.resize(256);

    for(int i = 0; i < 256; ++i)

        colorTable[i] = qRgba(255, 255, 0, i);

    const quint8 *buf = (const quint8*) px.constData();

    QImage im(buf, 256, 128, QImage::Format_Indexed8);

    im.setColorTable(colorTable);

    m_px = QPixmap::fromImage(im, Qt::ColorOnly);

    //QPixmap pxres(px.size());

    //QPainter p(&pxres);

    //p.fillRect(pxres.rect(), linearGrad);

    //p.drawPixmap(0, 0, px);

}