void TestInvocation::dumpPixelsAndCompareWithExpected(WKImageRef image, WKArrayRef repaintRects)
{
    PlatformWebView* webView = TestController::shared().mainWebView();
    WKRetainPtr<WKImageRef> windowSnapshot = webView->windowSnapshotImage();

    // There is no way at this time to fake a window's scale factor, so we need to avoid the window
    // snapshots for HiDPI tests.
    if (WKPageGetBackingScaleFactor(webView->page()) != 1)
        windowSnapshot = 0;

    RetainPtr<CGContextRef> context;
    if (windowSnapshot)
        context = adoptCF(createCGContextFromImage(windowSnapshot.get(), DontFlipGraphicsContext));
    else
        context = adoptCF(createCGContextFromImage(image));

    // A non-null repaintRects array means we're doing a repaint test.
    if (repaintRects)
        paintRepaintRectOverlay(context.get(), image, repaintRects);

    char actualHash[33];
    computeMD5HashStringForContext(context.get(), actualHash);
    if (!compareActualHashToExpectedAndDumpResults(actualHash))
        dumpBitmap(context.get(), actualHash);
}
void TestInvocation::dumpPixelsAndCompareWithExpected(WKImageRef image, WKArrayRef repaintRects, SnapshotResultType snapshotType)
{
    RetainPtr<CGContextRef> context = adoptCF(createCGContextFromImage(image, snapshotType == SnapshotResultType::WebView ? DontFlipGraphicsContext : FlipGraphicsContext));

    // A non-null repaintRects array means we're doing a repaint test.
    if (repaintRects)
        paintRepaintRectOverlay(context.get(), image, repaintRects);

    char actualHash[33];
    computeMD5HashStringForContext(context.get(), actualHash);
    if (!compareActualHashToExpectedAndDumpResults(actualHash))
        dumpBitmap(context.get(), actualHash);
}