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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:22:09 +0000
commit43a97878ce14b72f0981164f87f2e35e14151312 (patch)
tree620249daf56c0258faa40cbdcf9cfba06de2a846 /gfx/2d/InlineTranslator.cpp
parentInitial commit. (diff)
downloadfirefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz
firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'gfx/2d/InlineTranslator.cpp')
-rw-r--r--gfx/2d/InlineTranslator.cpp117
1 files changed, 117 insertions, 0 deletions
diff --git a/gfx/2d/InlineTranslator.cpp b/gfx/2d/InlineTranslator.cpp
new file mode 100644
index 0000000000..8b264c2146
--- /dev/null
+++ b/gfx/2d/InlineTranslator.cpp
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+/* -*- 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 "InlineTranslator.h"
+#include "RecordedEventImpl.h"
+
+#include "mozilla/gfx/RecordingTypes.h"
+
+using namespace mozilla::gfx;
+
+namespace mozilla::gfx {
+
+InlineTranslator::InlineTranslator() : mFontContext(nullptr) {}
+
+InlineTranslator::InlineTranslator(DrawTarget* aDT, void* aFontContext)
+ : mBaseDT(aDT), mFontContext(aFontContext) {}
+
+bool InlineTranslator::TranslateRecording(char* aData, size_t aLen) {
+ // an istream like class for reading from memory
+ struct MemReader {
+ MemReader(char* aData, size_t aLen) : mData(aData), mEnd(aData + aLen) {}
+ void read(char* s, std::streamsize n) {
+ if (n <= (mEnd - mData)) {
+ memcpy(s, mData, n);
+ mData += n;
+ } else {
+ // We've requested more data than is available
+ // set the Reader into an eof state
+ SetIsBad();
+ }
+ }
+ bool eof() { return mData > mEnd; }
+ bool good() { return !eof(); }
+ void SetIsBad() { mData = mEnd + 1; }
+
+ char* mData;
+ char* mEnd;
+ };
+ MemReader reader(aData, aLen);
+
+ uint32_t magicInt;
+ ReadElement(reader, magicInt);
+ if (magicInt != mozilla::gfx::kMagicInt) {
+ mError = "Magic";
+ return false;
+ }
+
+ uint16_t majorRevision;
+ ReadElement(reader, majorRevision);
+ if (majorRevision != kMajorRevision) {
+ mError = "Major";
+ return false;
+ }
+
+ uint16_t minorRevision;
+ ReadElement(reader, minorRevision);
+ if (minorRevision > kMinorRevision) {
+ mError = "Minor";
+ return false;
+ }
+
+ int32_t eventType;
+ ReadElement(reader, eventType);
+ while (reader.good()) {
+ bool success = RecordedEvent::DoWithEvent(
+ reader, static_cast<RecordedEvent::EventType>(eventType),
+ [&](RecordedEvent* recordedEvent) -> bool {
+ // Make sure that the whole event was read from the stream
+ // successfully.
+ if (!reader.good()) {
+ mError = " READ";
+ return false;
+ }
+
+ if (!recordedEvent->PlayEvent(this)) {
+ mError = " PLAY";
+ return false;
+ }
+
+ return true;
+ });
+ if (!success) {
+ mError = RecordedEvent::GetEventName(
+ static_cast<RecordedEvent::EventType>(eventType)) +
+ mError;
+ return false;
+ }
+
+ ReadElement(reader, eventType);
+ }
+
+ return true;
+}
+
+already_AddRefed<DrawTarget> InlineTranslator::CreateDrawTarget(
+ ReferencePtr aRefPtr, const gfx::IntSize& aSize,
+ gfx::SurfaceFormat aFormat) {
+ MOZ_ASSERT(mBaseDT, "mBaseDT has not been initialized.");
+
+ RefPtr<DrawTarget> drawTarget = mBaseDT;
+ AddDrawTarget(aRefPtr, drawTarget);
+ return drawTarget.forget();
+}
+
+already_AddRefed<SourceSurface> InlineTranslator::LookupExternalSurface(
+ uint64_t aKey) {
+ if (!mExternalSurfaces) {
+ return nullptr;
+ }
+ RefPtr<SourceSurface> surface = mExternalSurfaces->Get(aKey);
+ return surface.forget();
+}
+
+} // namespace mozilla::gfx