void DlgSettingsExportFormat::updatePreview()
{
// Save the scroll position for continuity before and after the preview update
int scrollPosition = m_editPreview->verticalScrollBar()->value();
QString exportedText;
QTextStream str (&exportedText);
if (mainWindow().transformation().transformIsDefined()) {
// Transformaiton is defined so we can create a preview
if (m_tabWidget->currentIndex() == TAB_WIDGET_INDEX_FUNCTIONS) {
ExportFileFunctions exportStrategy;
exportStrategy.exportToFile (*m_modelExportAfter,
cmdMediator().document(),
mainWindow().modelMainWindow(),
mainWindow().transformation(),
str);
} else {
ExportFileRelations exportStrategy;
exportStrategy.exportToFile (*m_modelExportAfter,
cmdMediator().document(),
mainWindow().modelMainWindow(),
mainWindow().transformation(),
str);
}
} else {
str << "Preview is unavailable until axis points are defined.";
}
m_editPreview->setText (exportedText);
// Restore scroll position
m_editPreview->verticalScrollBar()->setValue (scrollPosition);
}
void DlgSettingsExportFormat::updateControlsUponLoad ()
{
CurveStyles curveStyles = cmdMediator().document().modelCurveStyles();
m_haveFunction = false;
m_haveRelation = false;
QStringList curveNames = curveStyles.curveNames();
QStringList::const_iterator itr;
for (itr = curveNames.begin(); itr != curveNames.end (); itr++) {
QString curveName = *itr;
CurveStyle curveStyle = curveStyles.curveStyle (curveName);
CurveConnectAs curveConnectAs = curveStyle.lineStyle().curveConnectAs();
if (curveConnectAs == CONNECT_AS_FUNCTION_SMOOTH || curveConnectAs == CONNECT_AS_FUNCTION_STRAIGHT) {
m_haveFunction = true;
} else if (curveConnectAs == CONNECT_AS_RELATION_SMOOTH || curveConnectAs == CONNECT_AS_RELATION_STRAIGHT) {
m_haveRelation = true;
}
}
// Enable function-specific widgets if appropriate
m_btnFunctionsPointsAllCurves->setEnabled (m_haveFunction);
m_btnFunctionsPointsFirstCurve->setEnabled (m_haveFunction);
m_btnFunctionsPointsEvenlySpaced->setEnabled (m_haveFunction);
m_editFunctionsPointsEvenlySpacing->setEnabled (m_haveFunction);
m_cmbFunctionsPointsEvenlySpacingUnits->setEnabled (m_haveFunction);
m_btnFunctionsPointsRaw->setEnabled (m_haveFunction);
// Enable relation-specific widgets if appropriate
m_btnRelationsPointsEvenlySpaced->setEnabled (m_haveRelation);
m_editRelationsPointsEvenlySpacing->setEnabled (m_haveRelation);
m_cmbRelationsPointsEvenlySpacingUnits->setEnabled (m_haveRelation);
m_btnRelationsPointsRaw->setEnabled (m_haveRelation);
// Do not start with a tab that does not apply to the current set of functions/relations
if (!m_haveRelation) {
m_tabWidget->setCurrentIndex (TAB_WIDGET_INDEX_FUNCTIONS);
} else if (!m_haveFunction) {
m_tabWidget->setCurrentIndex (TAB_WIDGET_INDEX_RELATIONS);
}
}
void DlgSettingsExportFormat::initializeIntervalConstraints ()
{
LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsExportFormat::initializeIntervalConstraints";
const int MAX_POINTS_ACROSS_RANGE = 1000;
// Get min and max of graph and screen coordinates
CallbackBoundingRects ftor (mainWindow().transformation());
Functor2wRet<const QString &, const Point &, CallbackSearchReturn> ftorWithCallback = functor_ret (ftor,
&CallbackBoundingRects::callback);
cmdMediator().iterateThroughCurvesPointsGraphs (ftorWithCallback);
// If there are no points, then interval will be zero. That special case must be handled downstream to prevent infinite loops
bool isEmpty;
double maxSizeGraph = qMax (ftor.boundingRectGraph(isEmpty).width(),
ftor.boundingRectGraph(isEmpty).height());
double maxSizeScreen = qMax (ftor.boundingRectScreen(isEmpty).width(),
ftor.boundingRectScreen(isEmpty).height());
m_minIntervalGraph = maxSizeGraph / MAX_POINTS_ACROSS_RANGE;
m_minIntervalScreen = maxSizeScreen / MAX_POINTS_ACROSS_RANGE;
}
void DlgSettingsColorFilter::updateHistogram()
{
LOG4CPP_INFO_S ((*mainCat)) << "DlgSettingsColorFilter::updateHistogram";
enableOk (true);
const double PEN_WIDTH = 0.0; // Zero value gives one-pixel width at all scales
QString curveName = m_cmbCurveName->currentText();
m_sceneProfile->clear();
m_scale->setColorFilterMode (m_modelColorFilterAfter->colorFilterMode(curveName));
// Start with original image
QImage image = cmdMediator().document().pixmap().toImage();
double *histogramBins = new double [ColorFilterHistogram::HISTOGRAM_BINS ()];
ColorFilter filter;
ColorFilterHistogram filterHistogram;
int maxBinCount;
filterHistogram.generate (filter,
histogramBins,
m_modelColorFilterAfter->colorFilterMode (curveName),
image,
maxBinCount);
// Draw histogram, normalizing so highest peak exactly fills the vertical range. Log scale is used
// so smaller peaks do not disappear
double logMaxBinCount = qLn (maxBinCount);
for (int bin = 1; bin < ColorFilterHistogram::HISTOGRAM_BINS (); bin++) {
double x0 = PROFILE_SCENE_WIDTH () * (bin - 1.0) / (ColorFilterHistogram::HISTOGRAM_BINS () - 1.0);
// Map logPixelCount through 0 to 0 through PROFILE_SCENE_HEIGHT-1, using log scale
double count0 = 1.0 + histogramBins [bin - 1];
double y0 = (PROFILE_SCENE_HEIGHT () - 1.0) * (1.0 - qLn (count0) / logMaxBinCount);
double x1 = PROFILE_SCENE_WIDTH () * (bin - 0.0) / (ColorFilterHistogram::HISTOGRAM_BINS () - 1.0);
// Map logPixelCount through 0 to 0 through PROFILE_SCENE_HEIGHT-1, using log scale
double count1 = 1.0 + histogramBins [bin];
double y1 = (PROFILE_SCENE_HEIGHT () - 1.0) * (1.0 - qLn (count1) / logMaxBinCount);
QGraphicsLineItem *line = new QGraphicsLineItem (x0, y0, x1, y1);
line->setPen (QPen (QBrush (Qt::black), PEN_WIDTH));
m_sceneProfile->addItem (line);
}
// Create low and high dividers
m_dividerLow = new ViewProfileDivider(*m_sceneProfile,
*m_viewProfile,
PROFILE_SCENE_WIDTH (),
PROFILE_SCENE_HEIGHT (),
PROFILE_SCENE_HEIGHT () * 2.0 / 3.0,
true);
m_dividerHigh = new ViewProfileDivider(*m_sceneProfile,
*m_viewProfile,
PROFILE_SCENE_HEIGHT (),
PROFILE_SCENE_WIDTH (),
PROFILE_SCENE_HEIGHT () / 3.0,
false);
// Connect the dividers to each other since the shaded areas depend on both divides when low divider is
// moved to the right of the high divider
connect (m_dividerLow, SIGNAL (signalMovedLow (double)), m_dividerHigh, SLOT (slotOtherMoved(double)));
connect (m_dividerHigh, SIGNAL (signalMovedHigh (double)), m_dividerLow, SLOT (slotOtherMoved(double)));
// Update preview when the dividers move
connect (m_dividerLow, SIGNAL (signalMovedLow (double)), this, SLOT (slotDividerLow (double)));
connect (m_dividerHigh, SIGNAL(signalMovedHigh (double)), this, SLOT (slotDividerHigh (double)));
if (m_btnForeground->isChecked()) {
// Foreground
m_dividerLow->setX (m_modelColorFilterAfter->foregroundLow(curveName), FOREGROUND_MIN, FOREGROUND_MAX);
m_dividerHigh->setX (m_modelColorFilterAfter->foregroundHigh(curveName), FOREGROUND_MIN, FOREGROUND_MAX);
} else if (m_btnIntensity->isChecked()) {
// Intensity
m_dividerLow->setX (m_modelColorFilterAfter->intensityLow(curveName), INTENSITY_MIN, INTENSITY_MAX);
m_dividerHigh->setX (m_modelColorFilterAfter->intensityHigh(curveName), INTENSITY_MIN, INTENSITY_MAX);
} else if (m_btnHue->isChecked()) {
// Hue
m_dividerLow->setX (m_modelColorFilterAfter->hueLow(curveName), HUE_MIN, HUE_MAX);
m_dividerHigh->setX (m_modelColorFilterAfter->hueHigh(curveName), HUE_MIN, HUE_MAX);
} else if (m_btnSaturation->isChecked()) {
// Saturation
m_dividerLow->setX (m_modelColorFilterAfter->saturationLow(curveName), SATURATION_MIN, SATURATION_MAX);
m_dividerHigh->setX (m_modelColorFilterAfter->saturationHigh(curveName), SATURATION_MIN, SATURATION_MAX);
} else if (m_btnValue->isChecked()) {
// Value
m_dividerLow->setX (m_modelColorFilterAfter->valueLow(curveName), VALUE_MIN, VALUE_MAX);
m_dividerHigh->setX (m_modelColorFilterAfter->valueHigh(curveName), VALUE_MIN, VALUE_MAX);
} else {
ENGAUGE_ASSERT (false);
}
free (histogramBins);
}