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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/
#include "seriesrendercache_p.h"
#include "objecthelper_p.h"
#include "abstract3drenderer_p.h"
QT_DATAVISUALIZATION_BEGIN_NAMESPACE
const QString smoothString(QStringLiteral("Smooth"));
SeriesRenderCache::SeriesRenderCache()
: m_series(0),
m_object(0),
m_mesh(QAbstract3DSeries::MeshCube)
{
}
SeriesRenderCache::~SeriesRenderCache()
{
}
void SeriesRenderCache::populate(QAbstract3DSeries *series, Abstract3DRenderer *renderer)
{
Q_ASSERT(series);
bool seriesChanged = false;
if (m_series != series) {
m_series = series;
seriesChanged = true;
}
QAbstract3DSeriesChangeBitField &changeTracker = series->d_ptr->m_changeTracker;
if (seriesChanged || changeTracker.itemLabelFormatChanged) {
m_itemLabelFormat = series->itemLabelFormat();
changeTracker.itemLabelFormatChanged = false;
}
if (seriesChanged || changeTracker.meshChanged || changeTracker.meshSmoothChanged
|| changeTracker.userDefinedMeshChanged) {
m_mesh = series->mesh();
changeTracker.meshChanged = false;
changeTracker.meshSmoothChanged = false;
changeTracker.userDefinedMeshChanged = false;
QString meshFileName;
// Compose mesh filename
if (m_mesh == QAbstract3DSeries::MeshUserDefined) {
// Always use the supplied mesh directly
meshFileName = series->userDefinedMesh();
} else {
switch (m_mesh) {
case QAbstract3DSeries::MeshBar:
case QAbstract3DSeries::MeshCube:
meshFileName = QStringLiteral(":/defaultMeshes/bar");
break;
case QAbstract3DSeries::MeshPyramid:
meshFileName = QStringLiteral(":/defaultMeshes/pyramid");
break;
case QAbstract3DSeries::MeshCone:
meshFileName = QStringLiteral(":/defaultMeshes/cone");
break;
case QAbstract3DSeries::MeshCylinder:
meshFileName = QStringLiteral(":/defaultMeshes/cylinder");
break;
case QAbstract3DSeries::MeshBevelBar:
case QAbstract3DSeries::MeshBevelCube:
meshFileName = QStringLiteral(":/defaultMeshes/bevelbar");
break;
case QAbstract3DSeries::MeshSphere:
meshFileName = QStringLiteral(":/defaultMeshes/sphere");
break;
case QAbstract3DSeries::MeshMinimal:
meshFileName = QStringLiteral(":/defaultMeshes/minimal");
break;
case QAbstract3DSeries::MeshPoint:
#if defined(QT_OPENGL_ES_2)
qWarning("QAbstract3DSeries::MeshPoint is not fully supported on OpenGL ES2");
#endif
break;
default:
// Default to cube
meshFileName = QStringLiteral(":/defaultMeshes/bar");
break;
}
if (series->isMeshSmooth() && m_mesh != QAbstract3DSeries::MeshPoint)
meshFileName += smoothString;
// Give renderer an opportunity to customize the mesh
renderer->fixMeshFileName(meshFileName, m_mesh);
}
// TODO: Optimize by having some kind of object cache in renderer instead of having separate ObjectHelper for each series?
delete m_object;
if (meshFileName.isEmpty()) {
m_object = 0;
} else {
m_object = new ObjectHelper(meshFileName);
m_object->load();
}
}
// TODO: Add other visual element extractions
}
QT_DATAVISUALIZATION_END_NAMESPACE
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