QgsScopedRenderContextPainterSwap Class Reference

Scoped object for temporary replacement of a QgsRenderContext destination painter. More...

#include <qgsrendercontext.h>

Public Member Functions
	QgsScopedRenderContextPainterSwap (QgsRenderContext &context, QPainter *temporaryPainter)
	Constructor for QgsScopedRenderContextPainterSwap. More...
	~QgsScopedRenderContextPainterSwap ()
	Returns the destination painter for the context back to the original QPainter object. More...
void	reset ()
	Resets the destination painter for the context back to the original QPainter object. More...

Detailed Description

Scoped object for temporary replacement of a QgsRenderContext destination painter.

Temporarily swaps out the destination QPainter object for a QgsRenderContext for the lifetime of the object, before replacing it to the original painter on destruction.

Note

Not available in Python bindings

Since

QGIS 3.14

Definition at line 994 of file qgsrendercontext.h.

Constructor & Destructor Documentation

QgsScopedRenderContextPainterSwap()

QgsScopedRenderContextPainterSwap::QgsScopedRenderContextPainterSwap ( QgsRenderContext &  context, QPainter *  temporaryPainter  )

inline

Constructor for QgsScopedRenderContextPainterSwap.

Swaps the destination painter for context (set QgsRenderContext::setPainter() ) to temporaryPainter.

Definition at line 1004 of file qgsrendercontext.h.

~QgsScopedRenderContextPainterSwap()

QgsScopedRenderContextPainterSwap::~QgsScopedRenderContextPainterSwap ( )

inline

Returns the destination painter for the context back to the original QPainter object.

Definition at line 1026 of file qgsrendercontext.h.

Member Function Documentation

reset()

void QgsScopedRenderContextPainterSwap::reset ( )

inline

Resets the destination painter for the context back to the original QPainter object.

Definition at line 1014 of file qgsrendercontext.h.

---

The documentation for this class was generated from the following file:

• /build/qgis-3.18.1+99unstable/src/core/qgsrendercontext.h