QgsSingleBandGrayRenderer class

Base classes

class QgsRasterRenderer

Raster renderer pipe that applies colors to a raster.

Constructors, destructors, conversion operators

QgsSingleBandGrayRenderer(const QgsSingleBandGrayRenderer&) deleted

QgsSingleBandGrayRenderer cannot be copied. Use clone() instead.

Public functions

auto block(int bandNo, const QgsRectangle& extent, int width, int height, QgsRasterBlockFeedback* feedback = nullptr) -> QgsRasterBlock* override

Read block of data using given extent and size.

auto clone() const -> QgsSingleBandGrayRenderer* override

Clone itself, create deep copy.

void legendSymbologyItems(QList<QPair<QString, QColor>>& symbolItems) const override

Gets symbology items if provided by renderer.

auto operator=(const QgsSingleBandGrayRenderer&) -> const QgsSingleBandGrayRenderer& deleted

QgsSingleBandGrayRenderer cannot be copied. Use clone() instead.

void setContrastEnhancement(QgsContrastEnhancement* ce)

Takes ownership.

auto usesBands() const -> QList<int> override

Returns a list of band numbers used by the renderer.

void writeXml(QDomDocument& doc, QDomElement& parentElem) const override

Write base class members to xml.

Function documentation