From 26a029d407be480d791972afb5975cf62c9360a6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 02:47:55 +0200 Subject: Adding upstream version 124.0.1. Signed-off-by: Daniel Baumann --- layout/printing/PrintTranslator.cpp | 90 +++++++++++++++++++++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 layout/printing/PrintTranslator.cpp (limited to 'layout/printing/PrintTranslator.cpp') diff --git a/layout/printing/PrintTranslator.cpp b/layout/printing/PrintTranslator.cpp new file mode 100644 index 0000000000..d84c26e959 --- /dev/null +++ b/layout/printing/PrintTranslator.cpp @@ -0,0 +1,90 @@ +/* -*- 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/ProfilerMarkers.h" +#include "mozilla/UniquePtr.h" +#include "InlineTranslator.h" + +using namespace mozilla::gfx; + +namespace mozilla { +namespace layout { + +PrintTranslator::PrintTranslator(nsDeviceContext* aDeviceContext) + : mDeviceContext(aDeviceContext) { + UniquePtr context = + mDeviceContext->CreateReferenceRenderingContext(); + mBaseDT = context->GetDrawTarget(); +} + +bool PrintTranslator::TranslateRecording(PRFileDescStream& aRecording) { + AUTO_PROFILER_MARKER_TEXT("PrintTranslator", LAYOUT_Printing, {}, + "PrintTranslator::TranslateRecording"_ns); + + 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; + } + + uint8_t eventType = RecordedEvent::EventType::INVALID; + ReadElement(aRecording, eventType); + while (aRecording.good()) { + bool success = RecordedEvent::DoWithEventFromStream( + aRecording, static_cast(eventType), + [&](RecordedEvent* recordedEvent) -> bool { + // Make sure that the whole event was read from the stream. + if (!aRecording.good()) { + return false; + } + + return recordedEvent->PlayEvent(this); + }); + + if (!success) { + return false; + } + + ReadElement(aRecording, eventType); + } + + return true; +} + +already_AddRefed PrintTranslator::CreateDrawTarget( + ReferencePtr aRefPtr, const gfx::IntSize& aSize, + gfx::SurfaceFormat aFormat) { + UniquePtr context = mDeviceContext->CreateRenderingContext(); + if (!context) { + NS_WARNING("Failed to create rendering context for print."); + return nullptr; + } + + RefPtr drawTarget = context->GetDrawTarget(); + AddDrawTarget(aRefPtr, drawTarget); + return drawTarget.forget(); +} + +} // namespace layout +} // namespace mozilla -- cgit v1.2.3