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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 "timelinerenderstate_p.h"
#include <utils/qtcassert.h>
namespace Timeline {
TimelineRenderState::TimelineRenderState(qint64 start, qint64 end, float scale, int numPasses) :
d_ptr(new TimelineRenderStatePrivate)
{
Q_D(TimelineRenderState);
d->expandedRowRoot = new QSGNode;
d->collapsedRowRoot = new QSGNode;
d->expandedOverlayRoot = new QSGNode;
d->collapsedOverlayRoot = new QSGNode;
d->start = start;
d->end = end;
d->scale = scale;
d->passes.resize(numPasses);
d->expandedRowRoot->setFlag(QSGNode::OwnedByParent, false);
d->collapsedRowRoot->setFlag(QSGNode::OwnedByParent, false);
d->expandedOverlayRoot->setFlag(QSGNode::OwnedByParent, false);
d->collapsedOverlayRoot->setFlag(QSGNode::OwnedByParent, false);
}
TimelineRenderState::~TimelineRenderState()
{
Q_D(TimelineRenderState);
delete d->expandedRowRoot;
delete d->collapsedRowRoot;
delete d->expandedOverlayRoot;
delete d->collapsedOverlayRoot;
qDeleteAll(d->passes);
delete d;
}
qint64 TimelineRenderState::start() const
{
Q_D(const TimelineRenderState);
return d->start;
}
qint64 TimelineRenderState::end() const
{
Q_D(const TimelineRenderState);
return d->end;
}
float TimelineRenderState::scale() const
{
Q_D(const TimelineRenderState);
return d->scale;
}
const QSGNode *TimelineRenderState::expandedRowRoot() const
{
Q_D(const TimelineRenderState);
return d->expandedRowRoot;
}
const QSGNode *TimelineRenderState::collapsedRowRoot() const
{
Q_D(const TimelineRenderState);
return d->collapsedRowRoot;
}
const QSGNode *TimelineRenderState::expandedOverlayRoot() const
{
Q_D(const TimelineRenderState);
return d->expandedOverlayRoot;
}
const QSGNode *TimelineRenderState::collapsedOverlayRoot() const
{
Q_D(const TimelineRenderState);
return d->collapsedOverlayRoot;
}
QSGNode *TimelineRenderState::expandedRowRoot()
{
Q_D(TimelineRenderState);
return d->expandedRowRoot;
}
QSGNode *TimelineRenderState::collapsedRowRoot()
{
Q_D(TimelineRenderState);
return d->collapsedRowRoot;
}
QSGNode *TimelineRenderState::expandedOverlayRoot()
{
Q_D(TimelineRenderState);
return d->expandedOverlayRoot;
}
QSGNode *TimelineRenderState::collapsedOverlayRoot()
{
Q_D(TimelineRenderState);
return d->collapsedOverlayRoot;
}
bool TimelineRenderState::isEmpty() const
{
Q_D(const TimelineRenderState);
return d->collapsedRowRoot->childCount() == 0 && d->expandedRowRoot->childCount() == 0 &&
d->collapsedOverlayRoot->childCount() == 0 && d->expandedOverlayRoot->childCount() == 0;
}
void TimelineRenderState::assembleNodeTree(const TimelineModel *model, int defaultRowHeight,
int defaultRowOffset)
{
Q_D(TimelineRenderState);
QTC_ASSERT(isEmpty(), return);
for (int pass = 0; pass < d->passes.length(); ++pass) {
const TimelineRenderPass::State *passState = d->passes[pass];
if (!passState)
continue;
if (passState->expandedOverlay())
d->expandedOverlayRoot->appendChildNode(passState->expandedOverlay());
if (passState->collapsedOverlay())
d->collapsedOverlayRoot->appendChildNode(passState->collapsedOverlay());
}
int row = 0;
for (int i = 0; i < model->expandedRowCount(); ++i) {
QSGTransformNode *rowNode = new QSGTransformNode;
for (int pass = 0; pass < d->passes.length(); ++pass) {
const TimelineRenderPass::State *passState = d->passes[pass];
if (!passState)
continue;
const QVector<QSGNode *> &rows = passState->expandedRows();
if (rows.length() > row) {
QSGNode *rowChildNode = rows[row];
if (rowChildNode)
rowNode->appendChildNode(rowChildNode);
}
}
d->expandedRowRoot->appendChildNode(rowNode);
++row;
}
for (int row = 0; row < model->collapsedRowCount(); ++row) {
QSGTransformNode *rowNode = new QSGTransformNode;
QMatrix4x4 matrix;
matrix.translate(0, row * defaultRowOffset, 0);
matrix.scale(1.0, static_cast<float>(defaultRowHeight) /
static_cast<float>(TimelineModel::defaultRowHeight()), 1.0);
rowNode->setMatrix(matrix);
for (int pass = 0; pass < d->passes.length(); ++pass) {
const TimelineRenderPass::State *passState = d->passes[pass];
if (!passState)
continue;
const QVector<QSGNode *> &rows = passState->collapsedRows();
if (rows.length() > row) {
QSGNode *rowChildNode = rows[row];
if (rowChildNode)
rowNode->appendChildNode(rowChildNode);
}
}
d->collapsedRowRoot->appendChildNode(rowNode);
}
updateExpandedRowHeights(model, defaultRowHeight, defaultRowOffset);
}
void TimelineRenderState::updateExpandedRowHeights(const TimelineModel *model, int defaultRowHeight,
int defaultRowOffset)
{
Q_D(TimelineRenderState);
int row = 0;
qreal offset = 0;
for (QSGNode *rowNode = d->expandedRowRoot->firstChild(); rowNode != nullptr;
rowNode = rowNode->nextSibling()) {
qreal rowHeight = model->expandedRowHeight(row++);
QMatrix4x4 matrix;
matrix.translate(0, offset, 0);
matrix.scale(1, rowHeight / defaultRowHeight, 1);
offset += defaultRowOffset * rowHeight / defaultRowHeight;
static_cast<QSGTransformNode *>(rowNode)->setMatrix(matrix);
}
}
QSGTransformNode *TimelineRenderState::finalize(QSGNode *oldNode, bool expanded,
const QMatrix4x4 &transform)
{
Q_D(TimelineRenderState);
QSGNode *rowNode = expanded ? d->expandedRowRoot : d->collapsedRowRoot;
QSGNode *overlayNode = expanded ?d->expandedOverlayRoot : d->collapsedOverlayRoot;
QSGTransformNode *node = oldNode ? static_cast<QSGTransformNode *>(oldNode) :
new QSGTransformNode;
node->setMatrix(transform);
if (node->firstChild() != rowNode || node->lastChild() != overlayNode) {
node->removeAllChildNodes();
node->appendChildNode(rowNode);
node->appendChildNode(overlayNode);
}
return node;
}
TimelineRenderPass::State *TimelineRenderState::passState(int i)
{
Q_D(TimelineRenderState);
return d->passes[i];
}
const TimelineRenderPass::State *TimelineRenderState::passState(int i) const
{
Q_D(const TimelineRenderState);
return d->passes[i];
}
void TimelineRenderState::setPassState(int i, TimelineRenderPass::State *state)
{
Q_D(TimelineRenderState);
d->passes[i] = state;
}
} // namespace Timeline
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