/* * Copyright (C) 2017 Igalia S.L. * * 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 "WebAutomationSession.h" #include <WebCore/RefPtrCairo.h> #include <cairo/cairo.h> #include <wtf/text/Base64.h> namespace WebKit { using namespace WebCore; Optional<String> WebAutomationSession::platformGetBase64EncodedPNGData(const ShareableBitmap::Handle& handle) { auto bitmap = ShareableBitmap::create(handle, SharedMemory::Protection::ReadOnly); if (!bitmap) return WTF::nullopt; auto surface = bitmap->createCairoSurface(); if (!surface) return WTF::nullopt; Vector<unsigned char> pngData; cairo_surface_write_to_png_stream(surface.get(), [](void* userData, const unsigned char* data, unsigned length) -> cairo_status_t { auto* pngData = static_cast<Vector<unsigned char>*>(userData); pngData->append(data, length); return CAIRO_STATUS_SUCCESS; }, &pngData); if (pngData.isEmpty()) return WTF::nullopt; return base64Encode(pngData); } } // namespace WebKit