// Get colour associated with value supplied (as Vec4<GLfloat>)
void ColourScale::colour(double value, Vec4<GLfloat>& target) const
{
// Step through points associated to scale and find the two that we are inbetween.
// Check for no points being defined
if (points_.nItems() == 0)
{
target.x = 0.0;
target.y = 0.0;
target.z = 0.0;
target.w = 1.0;
return;
}
ColourScalePoint* csp = points_.first();
// Is supplied value less than the value at the first point?
if (value < csp->value())
{
csp->colour(target);
return;
}
// Find the correct delta to use
for (ColourScaleDelta* delta = deltas_.first(); delta != NULL; delta = delta->next)
{
if (delta->containsValue(value))
{
delta->colour(interpolated_ ? value : delta->start(), useHSV_, target);
return;
}
}
// If we get to here then the supplied value is outside the range of all values, so take colour from the endpoint
//printf("OUTSIDE RANGE\n");
points_.last()->colour(target);
}
// Set all alpha values to that specified
void ColourScale::setAllAlpha(double alpha)
{
QColor color;
for (ColourScalePoint* csp = points_.first(); csp != NULL; csp = csp->next)
{
color = csp->colour();
int alphai = alpha*255;
if (alphai < 0) alphai = 0;
else if (alphai > 255) alphai = 255;
color.setAlpha(alphai);
csp->setColour(color);
}
calculateDeltas();
}
// Return colour associated with value provided
QColor ColourScale::colour(double value) const
{
// Step through points associated to scale and find the two that we are inbetween.
// Check for no points being defined
if (points_.nItems() == 0) return QColor(0,0,0);
ColourScalePoint* csp = points_.first();
// Is supplied value less than the value at the first point?
if (value < csp->value()) return csp->colour();
// Find the correct delta to use
for (ColourScaleDelta* delta = deltas_.first(); delta != NULL; delta = delta->next)
{
if (delta->containsValue(value)) return delta->colour(interpolated_ ? value : delta->start(), useHSV_);
}
// If we get to here then the supplied value is outside the range of all values, so take colour from the endpoint
return points_.last()->colour();
}
// Assignment operator
void ColourScale::operator=(const ColourScale& source)
{
clear();
useHSV_ = source.useHSV_;
for (ColourScalePoint* csp = source.points_.first(); csp != NULL; csp = csp->next) addPoint( csp->value(), csp->colour() );
interpolated_ = source.interpolated_;
}
// Write CollectionBlock keywords
bool UChromaSession::writeCollectionBlock(LineParser& parser, Collection* collection, Collection::CollectionType type, int indentLevel)
{
// Construct indent string
char* indent = new char[indentLevel*2+1];
for (int n=0; n<indentLevel*2; ++n) indent[n] = ' ';
indent[indentLevel*2] = '\0';
if (type == Collection::MasterCollection) parser.writeLineF("%s%s '%s'\n", indent, UChromaSession::inputBlock(UChromaSession::CollectionBlock), qPrintable(collection->name()));
else if (type == Collection::FitCollection) parser.writeLineF("%s%s '%s'\n", indent, UChromaSession::collectionKeyword(UChromaSession::FitBlockKeyword), qPrintable(collection->name()));
else if (type == Collection::ExtractedCollection) parser.writeLineF("%s%s '%s'\n", indent, UChromaSession::collectionKeyword(UChromaSession::SliceBlockKeyword), qPrintable(collection->name()));
parser.writeLineF("%s %s \"%s\"\n", indent, UChromaSession::collectionKeyword(UChromaSession::DataDirectoryKeyword), qPrintable(collection->dataFileDirectory().absolutePath()));
// -- Transforms
parser.writeLineF("%s %s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::TransformXKeyword), stringBool(collection->transformEnabled(0)), qPrintable(collection->transformEquation(0)));
parser.writeLineF("%s %s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::TransformYKeyword), stringBool(collection->transformEnabled(1)), qPrintable(collection->transformEquation(1)));
parser.writeLineF("%s %s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::TransformZKeyword), stringBool(collection->transformEnabled(2)), qPrintable(collection->transformEquation(2)));
// -- Interpolation
parser.writeLineF("%s %s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::InterpolateKeyword), stringBool(collection->interpolate(0)), stringBool(collection->interpolate(2)));
parser.writeLineF("%s %s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::InterpolateConstrainKeyword), stringBool(collection->interpolateConstrained(0)), stringBool(collection->interpolateConstrained(2)));
parser.writeLineF("%s %s %f %f\n", indent, UChromaSession::collectionKeyword(UChromaSession::InterpolateStepKeyword), collection->interpolationStep(0), collection->interpolationStep(2));
// Colour Setup
parser.writeLineF("%s %s '%s'\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourSourceKeyword), Collection::colourSource(collection->colourSource()));
ColourScalePoint* csp;
QColor colour;
double value;
// -- Single Colour
colour = collection->colourScalePointColour(Collection::SingleColourSource);
parser.writeLineF("%s %s %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourSingleKeyword), colour.red(), colour.green(), colour.blue(), colour.alpha());
// -- RGB Gradient
colour = collection->colourScalePointColour(Collection::RGBGradientSource, 0);
value = collection->colourScalePointValue(Collection::RGBGradientSource, 0);
parser.writeLineF("%s %s %f %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourRGBGradientAKeyword), value, colour.red(), colour.green(), colour.blue(), colour.alpha());
colour = collection->colourScalePointColour(Collection::RGBGradientSource, 1);
value = collection->colourScalePointValue(Collection::RGBGradientSource, 1);
parser.writeLineF("%s %s %f %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourRGBGradientBKeyword), value, colour.red(), colour.green(), colour.blue(), colour.alpha());
// -- HSV Gradient
colour = collection->colourScalePointColour(Collection::HSVGradientSource, 0);
value = collection->colourScalePointValue(Collection::HSVGradientSource, 0);
parser.writeLineF("%s %s %f %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourHSVGradientAKeyword), value, colour.hue(), colour.saturation(), colour.value(), colour.alpha());
colour = collection->colourScalePointColour(Collection::HSVGradientSource, 1);
value = collection->colourScalePointValue(Collection::HSVGradientSource, 1);
parser.writeLineF("%s %s %f %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourHSVGradientBKeyword), value, colour.hue(), colour.saturation(), colour.value(), colour.alpha());
// -- Custom Gradient
for (csp = collection->customColourScalePoints(); csp != NULL; csp = csp->next)
{
parser.writeLineF("%s %s %f %i %i %i %i\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourCustomGradientKeyword), csp->value(), csp->colour().red(), csp->colour().green(), csp->colour().blue(), csp->colour().alpha());
}
// -- Alpha control
parser.writeLineF("%s %s '%s'\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourAlphaControlKeyword), Collection::alphaControl(collection->alphaControl()));
parser.writeLineF("%s %s %f\n", indent, UChromaSession::collectionKeyword(UChromaSession::ColourAlphaFixedKeyword), collection->fixedAlpha());
// Display
parser.writeLineF("%s %s %f '%s'\n", indent, UChromaSession::collectionKeyword(UChromaSession::LineStyleKeyword), collection->displayLineStyle().width(), LineStipple::stipple[collection->displayLineStyle().stipple()].name);
parser.writeLineF("%s %s %f\n", indent, UChromaSession::collectionKeyword(UChromaSession::ShininessKeyword), collection->displaySurfaceShininess());
parser.writeLineF("%s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::StyleKeyword), Collection::displayStyle(collection->displayStyle()));
parser.writeLineF("%s %s %s\n", indent, UChromaSession::collectionKeyword(UChromaSession::VisibleCollectionKeyword), stringBool(collection->visible()));
// Loop over datasets
for (DataSet* dataSet = collection->dataSets(); dataSet != NULL; dataSet = dataSet->next) writeDataSetBlock(parser, dataSet, indentLevel);
// Write FitKernel data if present
if (collection->fitKernel()) writeFitParametersBlock(parser, collection->fitKernel(), indentLevel);
// Additional data
// -- Fits
for (Collection* fit = collection->fits(); fit != NULL; fit = fit->next) writeCollectionBlock(parser, fit, Collection::FitCollection, indentLevel+1);
// -- Extracted Data
for (Collection* extract = collection->slices(); extract != NULL; extract = extract->next) writeCollectionBlock(parser, extract, Collection::ExtractedCollection, indentLevel+1);
parser.writeLineF("%s%s\n", indent, UChromaSession::collectionKeyword(UChromaSession::EndCollectionKeyword));
return true;
}