/* * Copyright (C) 2014 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "ViewSnapshotStore.h" #include <WebCore/CairoUtilities.h> namespace WebKit { using namespace WebCore; Ref<ViewSnapshot> ViewSnapshot::create(RefPtr<cairo_surface_t>&& surface) { return adoptRef(*new ViewSnapshot(WTFMove(surface))); } ViewSnapshot::ViewSnapshot(RefPtr<cairo_surface_t>&& surface) : m_surface(WTFMove(surface)) { if (hasImage()) ViewSnapshotStore::singleton().didAddImageToSnapshot(*this); } bool ViewSnapshot::hasImage() const { return !!m_surface; } void ViewSnapshot::clearImage() { if (!hasImage()) return; ViewSnapshotStore::singleton().willRemoveImageFromSnapshot(*this); m_surface = nullptr; } size_t ViewSnapshot::imageSizeInBytes() const { if (!m_surface) return 0; cairo_surface_t* surface = m_surface.get(); int stride = cairo_image_surface_get_stride(surface); int height = cairo_image_surface_get_width(surface); return stride * height; } WebCore::IntSize ViewSnapshot::size() const { if (!m_surface) return { }; cairo_surface_t* surface = m_surface.get(); int width = cairo_image_surface_get_width(surface); int height = cairo_image_surface_get_height(surface); return { width, height }; } } // namespace WebKit