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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 QtDataVis3D 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 "abstract3drenderer_p.h"
#include "qvalueaxis.h"
QT_DATAVIS3D_BEGIN_NAMESPACE
Abstract3DRenderer::Abstract3DRenderer(Abstract3DController *controller)
: QObject(controller),
m_controller(controller),
m_isInitialized(false),
m_hasNegativeValues(false),
m_drawer(new Drawer(m_cachedTheme, m_cachedFont, m_cachedLabelTransparency)),
m_autoScaleAdjustment(1.0f),
m_cachedZoomLevel(100)
{
QObject::connect(m_drawer, &Drawer::drawerChanged, this, &Abstract3DRenderer::updateTextures);
}
void Abstract3DRenderer::initializeOpenGL()
{
axisCacheForOrientation(QAbstractAxis::AxisOrientationX).setDrawer(m_drawer);
axisCacheForOrientation(QAbstractAxis::AxisOrientationY).setDrawer(m_drawer);
axisCacheForOrientation(QAbstractAxis::AxisOrientationZ).setDrawer(m_drawer);
}
void Abstract3DRenderer::updateDataModel(QAbstractDataProxy *dataProxy)
{
m_cachedItemLabelFormat = dataProxy->itemLabelFormat();
}
QString Abstract3DRenderer::itemLabelFormat() const
{
return m_cachedItemLabelFormat;
}
void Abstract3DRenderer::updateBoundingRect(const QRect boundingRect)
{
m_cachedBoundingRect = boundingRect;
handleResize();
}
void Abstract3DRenderer::updatePosition(const QRect boundingRect)
{
m_cachedBoundingRect = boundingRect;
}
void Abstract3DRenderer::updateTheme(Theme theme)
{
m_cachedTheme.setFromTheme(theme);
m_drawer->setTheme(m_cachedTheme);
// Re-initialize shaders
handleShadowQualityChange();
}
void Abstract3DRenderer::handleShadowQualityChange()
{
#if !defined(QT_OPENGL_ES_2)
if (m_cachedShadowQuality > QDataVis::ShadowNone) {
if (!m_cachedTheme.m_uniformColor) {
initShaders(QStringLiteral(":/shaders/vertexShadow"),
QStringLiteral(":/shaders/fragmentShadowNoTexColorOnY"));
} else {
initShaders(QStringLiteral(":/shaders/vertexShadow"),
QStringLiteral(":/shaders/fragmentShadowNoTex"));
}
initBackgroundShaders(QStringLiteral(":/shaders/vertexShadow"),
QStringLiteral(":/shaders/fragmentShadowNoTex"));
} else {
if (!m_cachedTheme.m_uniformColor) {
initShaders(QStringLiteral(":/shaders/vertex"),
QStringLiteral(":/shaders/fragmentColorOnY"));
} else {
initShaders(QStringLiteral(":/shaders/vertex"),
QStringLiteral(":/shaders/fragment"));
}
initBackgroundShaders(QStringLiteral(":/shaders/vertex"),
QStringLiteral(":/shaders/fragment"));
}
#else
if (!m_cachedTheme.m_uniformColor) {
initShaders(QStringLiteral(":/shaders/vertexES2"),
QStringLiteral(":/shaders/fragmentColorOnYES2"));
} else {
initShaders(QStringLiteral(":/shaders/vertexES2"),
QStringLiteral(":/shaders/fragmentES2"));
}
initBackgroundShaders(QStringLiteral(":/shaders/vertexES2"),
QStringLiteral(":/shaders/fragmentES2"));
#endif
}
void Abstract3DRenderer::updateFont(const QFont &font)
{
m_cachedFont = font;
m_drawer->setFont(font);
}
void Abstract3DRenderer::updateLabelTransparency(QDataVis::LabelTransparency transparency)
{
m_cachedLabelTransparency = transparency;
m_drawer->setTransparency(transparency);
}
void Abstract3DRenderer::updateMeshFileName(const QString &objFileName)
{
m_cachedObjFile = objFileName;
}
void Abstract3DRenderer::updateSelectionMode(QDataVis::SelectionMode mode)
{
m_cachedSelectionMode = mode;
}
void Abstract3DRenderer::updateGridEnabled(bool enable)
{
m_cachedIsGridEnabled = enable;
}
void Abstract3DRenderer::updateBackgroundEnabled(bool enable)
{
m_cachedIsBackgroundEnabled = enable;
}
void Abstract3DRenderer::handleResize()
{
if (m_cachedBoundingRect.width() == 0 || m_cachedBoundingRect.height() == 0)
return;
qDebug() << __FUNCTION__ << m_cachedBoundingRect.width() << "x" << m_cachedBoundingRect.height();
// Calculate zoom level based on aspect ratio
GLfloat div;
GLfloat zoomAdjustment;
div = qMin(m_cachedBoundingRect.width(), m_cachedBoundingRect.height());
zoomAdjustment = defaultRatio * ((m_cachedBoundingRect.width() / div)
/ (m_cachedBoundingRect.height() / div));
//qDebug() << "zoom adjustment" << zoomAdjustment;
m_autoScaleAdjustment = qMin(zoomAdjustment, 1.0f); // clamp to 1.0f
// Re-init selection buffer
initSelectionBuffer();
#if !defined(QT_OPENGL_ES_2)
// Re-init depth buffer
updateDepthBuffer();
#endif
}
void Abstract3DRenderer::updateZoomLevel(int newZoomLevel)
{
m_cachedZoomLevel = newZoomLevel;
}
void Abstract3DRenderer::updateAxisType(QAbstractAxis::AxisOrientation orientation, QAbstractAxis::AxisType type)
{
axisCacheForOrientation(orientation).setType(type);
}
void Abstract3DRenderer::updateAxisTitle(QAbstractAxis::AxisOrientation orientation, const QString &title)
{
axisCacheForOrientation(orientation).setTitle(title);
}
void Abstract3DRenderer::updateAxisLabels(QAbstractAxis::AxisOrientation orientation, const QStringList &labels)
{
axisCacheForOrientation(orientation).setLabels(labels);
}
void Abstract3DRenderer::updateAxisRange(QAbstractAxis::AxisOrientation orientation, qreal min, qreal max)
{
AxisRenderCache &cache = axisCacheForOrientation(orientation);
cache.setMin(min);
cache.setMax(max);
}
void Abstract3DRenderer::updateAxisSegmentCount(QAbstractAxis::AxisOrientation orientation, int count)
{
axisCacheForOrientation(orientation).setSegmentCount(count);
}
void Abstract3DRenderer::updateAxisSubSegmentCount(QAbstractAxis::AxisOrientation orientation, int count)
{
axisCacheForOrientation(orientation).setSubSegmentCount(count);
}
AxisRenderCache &Abstract3DRenderer::axisCacheForOrientation(QAbstractAxis::AxisOrientation orientation)
{
switch (orientation) {
case QAbstractAxis::AxisOrientationX:
return m_axisCacheX;
case QAbstractAxis::AxisOrientationY:
return m_axisCacheY;
case QAbstractAxis::AxisOrientationZ:
return m_axisCacheZ;
default:
qFatal(__FUNCTION__);
return m_axisCacheX;
}
}
QT_DATAVIS3D_END_NAMESPACE
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