flutter::DlAutoCanvasRestore Class Reference

#include <dl_canvas.h>

Public Member Functions
	DlAutoCanvasRestore (DlCanvas *canvas, bool do_save)
	~DlAutoCanvasRestore ()
void	Restore ()

Detailed Description

Definition at line 234 of file dl_canvas.h.

Constructor & Destructor Documentation

DlAutoCanvasRestore()

flutter::DlAutoCanvasRestore::DlAutoCanvasRestore ( DlCanvas *  canvas, bool  do_save  )

inline

Definition at line 236 of file dl_canvas.h.

                                                      : canvas_(canvas) {
    if (canvas) {
      canvas_ = canvas;
      restore_count_ = canvas->GetSaveCount();
      if (do_save) {
        canvas_->Save();
      }
    } else {
      canvas_ = nullptr;
      restore_count_ = 0;
    }
  }

References flutter::DlCanvas::GetSaveCount(), and flutter::DlCanvas::Save().

~DlAutoCanvasRestore()

flutter::DlAutoCanvasRestore::~DlAutoCanvasRestore ( )

inline

Definition at line 249 of file dl_canvas.h.

{ Restore(); }

References Restore().

Member Function Documentation

Restore()

void flutter::DlAutoCanvasRestore::Restore ( )

inline

Definition at line 251 of file dl_canvas.h.

                 {
    if (canvas_) {
      canvas_->RestoreToCount(restore_count_);
      canvas_ = nullptr;
    }
  }

References flutter::DlCanvas::RestoreToCount().

Referenced by flutter::SliceViews(), and ~DlAutoCanvasRestore().

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

• display_list/dl_canvas.h