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Implementation

Mercurial (e013f1f17109)

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/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*-
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef GFX_WINDOWSSURFACE_H
#define GFX_WINDOWSSURFACE_H

#include "gfxASurface.h"
#include "gfxImageSurface.h"

/* include windows.h for the HWND and HDC definitions that we need. */
#include <windows.h>

struct IDirect3DSurface9;

/* undefine LoadImage because our code uses that name */
#undef LoadImage

class gfxContext;

class gfxWindowsSurface : public gfxASurface {
 public:
  enum { FLAG_IS_TRANSPARENT = (1 << 2) };

  explicit gfxWindowsSurface(HDC dc, uint32_t flags = 0);

  // Create from a shared d3d9surface
  explicit gfxWindowsSurface(IDirect3DSurface9* surface, uint32_t flags = 0);

  // Create a DIB surface
  explicit gfxWindowsSurface(const mozilla::gfx::IntSize& size,
                             gfxImageFormat imageFormat =
                                 mozilla::gfx::SurfaceFormat::X8R8G8B8_UINT32);

  explicit gfxWindowsSurface(cairo_surface_t* csurf);

  virtual already_AddRefed<gfxASurface> CreateSimilarSurface(
      gfxContentType aType, const mozilla::gfx::IntSize& aSize);

  void InitWithDC(uint32_t flags);

  virtual ~gfxWindowsSurface();

  HDC GetDC();

  already_AddRefed<gfxImageSurface> GetAsImageSurface();

  const mozilla::gfx::IntSize GetSize() const;

 private:
  void MakeInvalid(mozilla::gfx::IntSize& size);

  bool mOwnsDC;

  HDC mDC;
  HWND mWnd;
};

#endif /* GFX_WINDOWSSURFACE_H */