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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "barinstancing_p.h"
BarInstancing::BarInstancing() {}
BarInstancing::~BarInstancing()
{
clearDataArray();
}
QByteArray BarInstancing::getInstanceBuffer(int *instanceCount)
{
if (m_dirty) {
m_instanceData.resize(0);
int instanceNumber = 0;
for (int i = 0; i < m_dataArray.size(); ++i) {
auto item = m_dataArray.at(i);
if ((item->color.alphaF() < 1.0) || transparency())
setDepthSortingEnabled(true);
else
setDepthSortingEnabled(false);
QVector4D customData{};
customData.setX(item->heightValue);
if (!item->selectedBar) {
auto entry = calculateTableEntryFromQuaternion(item->position,
item->scale,
item->rotation,
item->color,
customData);
m_instanceData.append(reinterpret_cast<char *>(&entry), sizeof(entry));
} else {
// Even selected bars need to be drawn in a very small scale.
// If this is not done, the program can't find the selected bars in the
// graph and detects the wrong bars as selected ones.
auto entry = calculateTableEntryFromQuaternion(item->position,
QVector3D{.001f, .001f, .001f},
item->rotation,
QColor(Qt::white));
m_instanceData.append(reinterpret_cast<char *>(&entry), sizeof(entry));
}
instanceNumber++;
}
m_instanceCount = instanceNumber;
m_dirty = false;
}
if (instanceCount)
*instanceCount = m_instanceCount;
return m_instanceData;
}
bool BarInstancing::transparency() const
{
return m_transparency;
}
void BarInstancing::setTransparency(bool newTransparencyValue)
{
m_transparency = newTransparencyValue;
}
void BarInstancing::clearDataArray()
{
m_dataArray.clear();
m_instanceData.clear();
}
void BarInstancing::markDataDirty()
{
m_dirty = true;
markDirty();
}
QList<BarItemHolder *> BarInstancing::dataArray() const
{
return m_dataArray;
}
void BarInstancing::setDataArray(const QList<BarItemHolder *> &newDataArray)
{
m_dataArray = newDataArray;
markDataDirty();
}
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