The Tor Browser: gfx/thebes/gfxWindowsSurface.h@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-

     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/. */

     6 #ifndef GFX_WINDOWSSURFACE_H

     7 #define GFX_WINDOWSSURFACE_H

     9 #include "gfxASurface.h"

    10 #include "gfxImageSurface.h"

    12 /* include windows.h for the HWND and HDC definitions that we need. */

    13 #include <windows.h>

    15 struct IDirect3DSurface9;

    17 /* undefine LoadImage because our code uses that name */

    18 #undef LoadImage

    20 class gfxContext;

    22 class gfxWindowsSurface : public gfxASurface {

    23 public:

    24     enum {

    25         FLAG_TAKE_DC = (1 << 0),

    26         FLAG_FOR_PRINTING = (1 << 1),

    27         FLAG_IS_TRANSPARENT = (1 << 2)

    28     };

    30     gfxWindowsSurface(HWND wnd, uint32_t flags = 0);

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

    33     // Create from a shared d3d9surface

    34     gfxWindowsSurface(IDirect3DSurface9 *surface, uint32_t flags = 0);

    36     // Create a DIB surface

    37     gfxWindowsSurface(const gfxIntSize& size,

    38                       gfxImageFormat imageFormat = gfxImageFormat::RGB24);

    40     // Create a DDB surface; dc may be nullptr to use the screen DC

    41     gfxWindowsSurface(HDC dc,

    42                       const gfxIntSize& size,

    43                       gfxImageFormat imageFormat = gfxImageFormat::RGB24);

    45     gfxWindowsSurface(cairo_surface_t *csurf);

    47     virtual already_AddRefed<gfxASurface> CreateSimilarSurface(gfxContentType aType,

    48                                                                const gfxIntSize& aSize);

    50     void InitWithDC(uint32_t flags);

    52     virtual ~gfxWindowsSurface();

    54     HDC GetDC();

    56     HDC GetDCWithClip(gfxContext *);

    58     already_AddRefed<gfxImageSurface> GetAsImageSurface();

    60     nsresult BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName);

    61     nsresult EndPrinting();

    62     nsresult AbortPrinting();

    63     nsresult BeginPage();

    64     nsresult EndPage();

    66     virtual int32_t GetDefaultContextFlags() const;

    68     const gfxIntSize GetSize() const;

    70     void MovePixels(const nsIntRect& aSourceRect,

    71                     const nsIntPoint& aDestTopLeft)

    72     {

    73         FastMovePixels(aSourceRect, aDestTopLeft);

    74     }

    76     // The memory used by this surface lives in this process's address space,

    77     // but not in the heap.

    78     virtual gfxMemoryLocation GetMemoryLocation() const;

    80 private:

    81     void MakeInvalid(gfxIntSize& size);

    83     bool mOwnsDC;

    84     bool mForPrinting;

    86     HDC mDC;

    87     HWND mWnd;

    88 };

    90 #endif /* GFX_WINDOWSSURFACE_H */

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