DrawEventRecorder.cpp
/* -*- 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 "DrawEventRecorder.h"
#include "PathRecording.h"
#include "RecordingTypes.h"
namespace mozilla {
namespace gfx {
using namespace std;
DrawEventRecorderPrivate::DrawEventRecorderPrivate() : mExternalFonts(false) {}
void DrawEventRecorderFile::RecordEvent(const RecordedEvent &aEvent) {
WriteElement(mOutputStream, aEvent.mType);
aEvent.RecordToStream(mOutputStream);
Flush();
}
void DrawEventRecorderMemory::RecordEvent(const RecordedEvent &aEvent) {
WriteElement(mOutputStream, aEvent.mType);
aEvent.RecordToStream(mOutputStream);
}
DrawEventRecorderFile::DrawEventRecorderFile(const char_type *aFilename)
: mOutputStream(aFilename, ofstream::binary) {
WriteHeader(mOutputStream);
}
DrawEventRecorderFile::~DrawEventRecorderFile() { mOutputStream.close(); }
void DrawEventRecorderFile::Flush() { mOutputStream.flush(); }
bool DrawEventRecorderFile::IsOpen() { return mOutputStream.is_open(); }
void DrawEventRecorderFile::OpenNew(const char_type *aFilename) {
MOZ_ASSERT(!mOutputStream.is_open());
mOutputStream.open(aFilename, ofstream::binary);
WriteHeader(mOutputStream);
}
void DrawEventRecorderFile::Close() {
MOZ_ASSERT(mOutputStream.is_open());
mOutputStream.close();
}
DrawEventRecorderMemory::DrawEventRecorderMemory() {
WriteHeader(mOutputStream);
}
DrawEventRecorderMemory::DrawEventRecorderMemory(
const SerializeResourcesFn &aFn)
: mSerializeCallback(aFn) {
mExternalFonts = true;
WriteHeader(mOutputStream);
}
void DrawEventRecorderMemory::Flush() {}
void DrawEventRecorderMemory::FlushItem(IntRect aRect) {
DetatchResources();
WriteElement(mIndex, mOutputStream.mLength);
mSerializeCallback(mOutputStream, mUnscaledFonts);
WriteElement(mIndex, mOutputStream.mLength);
ClearResources();
}
void DrawEventRecorderMemory::Finish() {
size_t indexOffset = mOutputStream.mLength;
// write out the index
mOutputStream.write(mIndex.mData, mIndex.mLength);
mIndex = MemStream();
// write out the offset of the Index to the end of the output stream
WriteElement(mOutputStream, indexOffset);
ClearResources();
}
size_t DrawEventRecorderMemory::RecordingSize() {
return mOutputStream.mLength;
}
void DrawEventRecorderMemory::WipeRecording() {
mOutputStream = MemStream();
mIndex = MemStream();
WriteHeader(mOutputStream);
}
} // namespace gfx
} // namespace mozilla