| QGIS API Documentation
    3.20.0-Odense (decaadbb31)
    | 
#include "qgis_core.h"#include "qgsexpression.h"#include "qgsexpressioncontext.h"#include "qgspointxy.h"#include <QVariant>#include <QHash>#include <QString>#include <QStringList>#include <QDomElement>#include <QDomDocument>#include <QColor>#include <memory>#include <algorithm>

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| Classes | |
| class | QgsColorRampTransformer | 
| QgsPropertyTransformer subclass for transforming a numeric value into a color from a color ramp.  More... | |
| class | QgsCurveTransform | 
| Handles scaling of input values to output values by using a curve created from smoothly joining a number of set control points.  More... | |
| class | QgsGenericNumericTransformer | 
| QgsPropertyTransformer subclass for scaling an input numeric value into an output numeric value.  More... | |
| class | QgsPropertyTransformer | 
| Abstract base class for objects which transform the calculated value of a property.  More... | |
| class | QgsSizeScaleTransformer | 
| QgsPropertyTransformer subclass for scaling a value into a size according to various scaling methods.  More... | |