/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* This Source Code Form is subject to the terms of the Mozilla Public * License, v. 2.0. If a copy of the MPL was not distributed with this * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ #include "PrintTranslator.h" #include "gfxContext.h" #include "nsDeviceContext.h" #include "mozilla/gfx/RecordedEvent.h" #include "mozilla/gfx/RecordingTypes.h" #include "mozilla/UniquePtr.h" using namespace mozilla::gfx; namespace mozilla { namespace layout { PrintTranslator::PrintTranslator(nsDeviceContext* aDeviceContext) : mDeviceContext(aDeviceContext) { RefPtr<gfxContext> context = mDeviceContext->CreateReferenceRenderingContext(); mBaseDT = context->GetDrawTarget(); } bool PrintTranslator::TranslateRecording(std::istream& aRecording) { uint32_t magicInt; ReadElement(aRecording, magicInt); if (magicInt != mozilla::gfx::kMagicInt) { return false; } uint16_t majorRevision; ReadElement(aRecording, majorRevision); if (majorRevision != kMajorRevision) { return false; } uint16_t minorRevision; ReadElement(aRecording, minorRevision); if (minorRevision > kMinorRevision) { return false; } int32_t eventType; ReadElement(aRecording, eventType); while (aRecording.good()) { UniquePtr<RecordedEvent> recordedEvent( RecordedEvent::LoadEventFromStream(aRecording, static_cast<RecordedEvent::EventType>(eventType))); // Make sure that the whole event was read from the stream successfully. if (!aRecording.good() || !recordedEvent) { return false; } if (!recordedEvent->PlayEvent(this)) { return false; } ReadElement(aRecording, eventType); } return true; } already_AddRefed<DrawTarget> PrintTranslator::CreateDrawTarget(ReferencePtr aRefPtr, const gfx::IntSize &aSize, gfx::SurfaceFormat aFormat) { RefPtr<gfxContext> context = mDeviceContext->CreateRenderingContext(); if (!context) { NS_WARNING("Failed to create rendering context for print."); return nullptr; } RefPtr<DrawTarget> drawTarget = context->GetDrawTarget(); AddDrawTarget(aRefPtr, drawTarget); return drawTarget.forget(); } FontType PrintTranslator::GetDesiredFontType() { switch (mBaseDT->GetBackendType()) { case BackendType::DIRECT2D: return FontType::DWRITE; case BackendType::CAIRO: return FontType::CAIRO; case BackendType::SKIA: return FontType::SKIA; default: return FontType::CAIRO; } } } // namespace layout } // namespace mozilla