SkAutoCanvasRestore Class Reference

Stack helper class calls SkCanvas::restoreToCount when SkAutoCanvasRestore goes out of scope. More...

#include <SkCanvas.h>

Public Member Functions
	SkAutoCanvasRestore (SkCanvas *canvas, bool doSave)
	Preserves SkCanvas::save() count. More...
	~SkAutoCanvasRestore ()
	Restores SkCanvas to saved state. More...
void	restore ()
	Restores SkCanvas to saved state immediately. More...

Detailed Description

Stack helper class calls SkCanvas::restoreToCount when SkAutoCanvasRestore goes out of scope.

Use this to guarantee that the canvas is restored to a known state.

Constructor & Destructor Documentation

SkAutoCanvasRestore()

SkAutoCanvasRestore::SkAutoCanvasRestore ( SkCanvas *  canvas, bool  doSave  )

inline

Preserves SkCanvas::save() count.

Optionally saves SkCanvas clip and SkCanvas matrix.

Parameters

canvas	SkCanvas to guard
doSave	call SkCanvas::save()

Returns

utility to restore SkCanvas state on destructor

~SkAutoCanvasRestore()

SkAutoCanvasRestore::~SkAutoCanvasRestore ( )

inline

Restores SkCanvas to saved state.

Destructor is called when container goes out of scope.

Member Function Documentation

restore()

void SkAutoCanvasRestore::restore ( )

inline

Restores SkCanvas to saved state immediately.

Subsequent calls and ~SkAutoCanvasRestore() have no effect.

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

• /CHECKOUT/include/core/SkCanvas.h