gfx/thebes/gfxWindowsSurface.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 GFX_WINDOWSSURFACE_H
   7 #define GFX_WINDOWSSURFACE_H
   8
   9 #include "gfxASurface.h"
  10 #include "gfxImageSurface.h"
  11
  12 /* include windows.h for the HWND and HDC definitions that we need. */
  13 #include <windows.h>
  14
  15 struct IDirect3DSurface9;
  16
  17 /* undefine LoadImage because our code uses that name */
  18 #undef LoadImage
  19
  20 class gfxContext;
  21
  22 class gfxWindowsSurface : public gfxASurface {
  23  public:
  24   enum { FLAG_IS_TRANSPARENT = (1 << 2) };
  25
  26   explicit gfxWindowsSurface(HDC dc, uint32_t flags = 0);
  27
  28   // Create a DIB surface
  29   explicit gfxWindowsSurface(const mozilla::gfx::IntSize& size,
  30                              gfxImageFormat imageFormat =
  31                                  mozilla::gfx::SurfaceFormat::X8R8G8B8_UINT32);
  32
  33   explicit gfxWindowsSurface(cairo_surface_t* csurf);
  34
  35   void InitWithDC(uint32_t flags);
  36
  37   virtual ~gfxWindowsSurface();
  38
  39   HDC GetDC();
  40
  41   already_AddRefed<gfxImageSurface> GetAsImageSurface();
  42
  43   const mozilla::gfx::IntSize GetSize() const;
  44
  45  private:
  46   void MakeInvalid(mozilla::gfx::IntSize& size);
  47
  48   bool mOwnsDC;
  49
  50   HDC mDC;
  51   HWND mWnd;
  52 };
  53
  54 #endif /* GFX_WINDOWSSURFACE_H */