gfx/thebes/PrintTargetRecording.h

   1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * This Source Code Form is subject to the terms of the Mozilla Public
   3  * License, v. 2.0. If a copy of the MPL was not distributed with this
   4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   5
   6 #ifndef MOZILLA_GFX_PRINTTARGETRECORDING_H
   7 #define MOZILLA_GFX_PRINTTARGETRECORDING_H
   8
   9 #include "PrintTarget.h"
  10
  11 namespace mozilla {
  12 namespace gfx {
  13
  14 /**
  15  * Recording printing target.
  16  *
  17  * This exists for use on e10s's content process in order to record print
  18  * output, send it over to the parent process, and replay it on a DrawTarget
  19  * there for printing.
  20  */
  21 class PrintTargetRecording final : public PrintTarget {
  22  public:
  23   static already_AddRefed<PrintTargetRecording> CreateOrNull(
  24       const IntSize& aSize);
  25
  26   already_AddRefed<DrawTarget> MakeDrawTarget(
  27       const IntSize& aSize, DrawEventRecorder* aRecorder = nullptr) override;
  28
  29  private:
  30   PrintTargetRecording(cairo_surface_t* aCairoSurface, const IntSize& aSize);
  31
  32   already_AddRefed<DrawTarget> CreateWrapAndRecordDrawTarget(
  33       DrawEventRecorder* aRecorder, DrawTarget* aDrawTarget);
  34 };
  35
  36 }  // namespace gfx
  37 }  // namespace mozilla
  38
  39 #endif /* MOZILLA_GFX_PRINTTARGETRECORDING_H */