diff -r b273b43b16d2 -r 8354b390f1a2 qmlfrontend/previewimageprovider.cpp
--- a/qmlfrontend/previewimageprovider.cpp	Wed Nov 07 15:55:32 2018 +0100
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,31 +0,0 @@
-#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);
-}