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/*
paintanalyzer.cpp
This file is part of GammaRay, the Qt application inspection and manipulation tool.
SPDX-FileCopyrightText: 2015 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
Author: Volker Krause <volker.krause@kdab.com>
SPDX-License-Identifier: GPL-2.0-or-later
Contact KDAB at <info@kdab.com> for commercial licensing options.
*/
#include <config-gammaray.h>
#include "paintanalyzer.h"
#include "paintbuffer.h"
#include "paintbuffermodel.h"
#include "painterprofilingreplayer.h"
#include <core/aggregatedpropertymodel.h>
#include <core/probe.h>
#include <core/remoteviewserver.h>
#include <core/stacktracemodel.h>
#include <core/remote/serverproxymodel.h>
#include <common/metatypedeclarations.h>
#include <common/objectbroker.h>
#include <common/remoteviewframe.h>
#include <common/paintbuffermodelroles.h>
#include <QItemSelectionModel>
#include <QSortFilterProxyModel>
using namespace GammaRay;
class PaintBufferModelFilterProxy : public QSortFilterProxyModel
{
Q_OBJECT
public:
explicit PaintBufferModelFilterProxy(QObject *parent = nullptr)
: QSortFilterProxyModel(parent)
{
}
void sort(int, Qt::SortOrder) override
{
} // never sort, that has no semantics here
};
PaintAnalyzer::PaintAnalyzer(const QString &name, QObject *parent)
: PaintAnalyzerInterface(name, parent)
, m_paintBufferModel(nullptr)
, m_paintBufferFilter(nullptr)
, m_selectionModel(nullptr)
, m_paintBuffer(nullptr)
, m_remoteView(new RemoteViewServer(name + QStringLiteral(".remoteView"), this))
, m_argumentModel(new AggregatedPropertyModel(this))
, m_stackTraceModel(new StackTraceModel(this))
{
m_paintBufferModel = new PaintBufferModel(this);
auto proxy = new ServerProxyModel<PaintBufferModelFilterProxy>(this);
proxy->addRole(PaintBufferModelRoles::MaxCostRole);
m_paintBufferFilter = proxy;
m_paintBufferFilter->setSourceModel(m_paintBufferModel);
Probe::instance()->registerModel(name + QStringLiteral(".paintBufferModel"), m_paintBufferFilter);
m_selectionModel = ObjectBroker::selectionModel(m_paintBufferFilter);
connect(m_selectionModel, &QItemSelectionModel::currentChanged, m_remoteView,
&RemoteViewServer::sourceChanged);
m_argumentModel->setReadOnly(true);
Probe::instance()->registerModel(name + QStringLiteral(".argumentProperties"), m_argumentModel);
Probe::instance()->registerModel(name + QStringLiteral(".stackTrace"), m_stackTraceModel);
connect(m_remoteView, &RemoteViewServer::requestUpdate, this, &PaintAnalyzer::repaint);
}
PaintAnalyzer::~PaintAnalyzer() = default;
void PaintAnalyzer::reset()
{
m_remoteView->sourceChanged();
m_paintBufferModel->setPaintBuffer(PaintBuffer());
}
void PaintAnalyzer::repaint()
{
if (!m_remoteView->isActive())
return;
if (m_paintBufferModel->rowCount() == 0) {
emit requestUpdate();
return;
}
const QSize sourceSize = m_paintBufferModel->buffer().boundingRect().size().toSize();
const qreal ratio = m_paintBufferModel->buffer().devicePixelRatioF();
QImage image(sourceSize * ratio, QImage::Format_ARGB32);
image.setDevicePixelRatio(ratio);
image.fill(Qt::transparent);
QPainter painter(&image);
const auto start = m_paintBufferModel->buffer().frameStartIndex(0);
auto index = m_paintBufferFilter->mapToSource(m_selectionModel->currentIndex());
m_currentArgument = index.data(PaintBufferModelRoles::ValueRole);
m_argumentModel->setObject(m_currentArgument);
setHasArgumentDetails(m_argumentModel->rowCount());
// include selected row or paint all if nothing is selected
if (index.parent().isValid()) {
index = index.parent();
}
const auto end = index.isValid() ? index.row() + 1 : m_paintBufferModel->rowCount();
auto depth = m_paintBufferModel->buffer().processCommands(&painter, start, start + end);
for (; depth > 0; --depth) {
painter.restore();
}
painter.end();
PaintAnalyzerFrameData data;
if (index.isValid()) {
data.clipPath = index.data(PaintBufferModelRoles::ClipPathRole).value<QPainterPath>();
}
RemoteViewFrame frame;
frame.setImage(image);
frame.data = QVariant::fromValue(data);
m_remoteView->sendFrame(frame);
if (index.isValid()) {
m_stackTraceModel->setStackTrace(m_paintBufferModel->buffer().stackTrace(index.row()));
setHasStackTrace(m_stackTraceModel->rowCount() > 0);
} else {
setHasStackTrace(false);
}
}
void PaintAnalyzer::beginAnalyzePainting()
{
Q_ASSERT(!m_paintBuffer);
m_paintBuffer = new PaintBuffer;
}
void PaintAnalyzer::setBoundingRect(const QRectF &boundingBox)
{
Q_ASSERT(m_paintBuffer);
m_paintBuffer->setBoundingRect(boundingBox);
}
QPaintDevice *PaintAnalyzer::paintDevice() const
{
Q_ASSERT(m_paintBuffer);
return m_paintBuffer;
}
void PaintAnalyzer::endAnalyzePainting()
{
Q_ASSERT(m_paintBuffer);
Q_ASSERT(m_paintBufferModel);
m_paintBufferModel->setPaintBuffer(*m_paintBuffer);
delete m_paintBuffer;
m_paintBuffer = nullptr;
m_remoteView->resetView();
m_remoteView->sourceChanged();
if (auto rowCount = m_paintBufferFilter->rowCount()) {
const auto idx = m_paintBufferFilter->index(rowCount - 1, 0);
m_selectionModel->select(idx,
QItemSelectionModel::ClearAndSelect | QItemSelectionModel::Rows | QItemSelectionModel::Current);
}
PainterProfilingReplayer profiler;
profiler.profile(m_paintBufferModel->buffer());
m_paintBufferModel->setCosts(profiler.costs());
}
void GammaRay::PaintAnalyzer::setOrigin(const ObjectId &obj)
{
m_paintBuffer->setOrigin(obj);
}
bool PaintAnalyzer::isAvailable()
{
return true;
}
#include "paintanalyzer.moc"
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