gecko-dev/gfx/thebes/gfxWindowsSurface.h

89 lines
2.6 KiB
C++

/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
* 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>
/* undefine LoadImage because our code uses that name */
#undef LoadImage
class gfxContext;
class gfxWindowsSurface : public gfxASurface {
public:
enum {
FLAG_TAKE_DC = (1 << 0),
FLAG_FOR_PRINTING = (1 << 1),
FLAG_IS_TRANSPARENT = (1 << 2)
};
gfxWindowsSurface(HWND wnd, uint32_t flags = 0);
gfxWindowsSurface(HDC dc, uint32_t flags = 0);
// Create a DIB surface
gfxWindowsSurface(const gfxIntSize& size,
gfxImageFormat imageFormat = ImageFormatRGB24);
// Create a DDB surface; dc may be NULL to use the screen DC
gfxWindowsSurface(HDC dc,
const gfxIntSize& size,
gfxImageFormat imageFormat = ImageFormatRGB24);
gfxWindowsSurface(cairo_surface_t *csurf);
virtual already_AddRefed<gfxASurface> CreateSimilarSurface(gfxContentType aType,
const gfxIntSize& aSize);
void InitWithDC(uint32_t flags);
virtual ~gfxWindowsSurface();
HDC GetDC() { return mDC; }
HDC GetDCWithClip(gfxContext *);
already_AddRefed<gfxImageSurface> GetAsImageSurface();
already_AddRefed<gfxWindowsSurface> OptimizeToDDB(HDC dc,
const gfxIntSize& size,
gfxImageFormat format);
nsresult BeginPrinting(const nsAString& aTitle, const nsAString& aPrintToFileName);
nsresult EndPrinting();
nsresult AbortPrinting();
nsresult BeginPage();
nsresult EndPage();
virtual int32_t GetDefaultContextFlags() const;
const gfxIntSize GetSize() const;
void MovePixels(const nsIntRect& aSourceRect,
const nsIntPoint& aDestTopLeft)
{
FastMovePixels(aSourceRect, aDestTopLeft);
}
// The memory used by this surface lives in this process's address space,
// but not in the heap.
virtual gfxASurface::MemoryLocation GetMemoryLocation() const;
private:
void MakeInvalid(gfxIntSize& size);
bool mOwnsDC;
bool mForPrinting;
HDC mDC;
HWND mWnd;
};
#endif /* GFX_WINDOWSSURFACE_H */