gecko-dev/gfx/2d/DrawEventRecorder.cpp

136 строки
2.6 KiB
C++

/* -*- 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 *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 *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