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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "timelineoverviewrenderer_p.h"
#include "timelinerenderstate.h"
namespace Timeline {
TimelineOverviewRenderer::TimelineOverviewRenderer(QQuickItem *parent) :
TimelineAbstractRenderer(*(new TimelineOverviewRendererPrivate), parent)
{
}
TimelineOverviewRenderer::TimelineOverviewRendererPrivate::TimelineOverviewRendererPrivate() :
renderState(nullptr)
{
}
TimelineOverviewRenderer::TimelineOverviewRendererPrivate::~TimelineOverviewRendererPrivate()
{
delete renderState;
}
QSGNode *TimelineOverviewRenderer::updatePaintNode(QSGNode *oldNode,
UpdatePaintNodeData *updatePaintNodeData)
{
Q_D(TimelineOverviewRenderer);
if (!d->model || d->model->isEmpty() || !d->zoomer || d->zoomer->traceDuration() <= 0) {
delete oldNode;
return nullptr;
}
if (d->modelDirty) {
delete d->renderState;
d->renderState = nullptr;
}
if (d->renderState == nullptr) {
d->renderState = new TimelineRenderState(d->zoomer->traceStart(), d->zoomer->traceEnd(),
1.0, d->renderPasses.size());
}
float xSpacing = static_cast<float>(width() / d->zoomer->traceDuration());
float ySpacing = static_cast<float>(
height() / (d->model->collapsedRowCount() * TimelineModel::defaultRowHeight()));
for (int i = 0; i < d->renderPasses.length(); ++i) {
d->renderState->setPassState(i, d->renderPasses[i]->update(this, d->renderState,
d->renderState->passState(i),
0, d->model->count(), true,
xSpacing));
}
if (d->renderState->isEmpty())
d->renderState->assembleNodeTree(d->model, d->model->height(), 0);
TimelineAbstractRenderer::updatePaintNode(nullptr, updatePaintNodeData);
QMatrix4x4 matrix;
matrix.scale(xSpacing, ySpacing, 1);
return d->renderState->finalize(oldNode, false, matrix);
}
}
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