gecko-dev/gfx/thebes/gfxOS2Surface.h

49 строки
1.6 KiB
C++

/* vim: set sw=4 sts=4 et cin: */
/* 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_OS2_SURFACE_H
#define GFX_OS2_SURFACE_H
#include "gfxASurface.h"
#define INCL_GPIBITMAPS
#include <os2.h>
#include <cairo-os2.h>
class gfxOS2Surface : public gfxASurface {
public:
// constructor used to create a memory surface of given size
gfxOS2Surface(const gfxIntSize& aSize,
gfxASurface::gfxImageFormat aImageFormat);
// constructor for surface connected to an onscreen window
gfxOS2Surface(HWND aWnd);
// constructor for surface connected to a printing device context
gfxOS2Surface(HDC aDC, const gfxIntSize& aSize);
virtual ~gfxOS2Surface();
// Special functions that only make sense for the OS/2 port of cairo:
// Update the cairo surface.
// While gfxOS2Surface keeps track of the presentation handle itself,
// use the one from WinBeginPaint() here.
void Refresh(RECTL *aRect, HPS aPS);
// Reset the cairo surface to the given size.
int Resize(const gfxIntSize& aSize);
HPS GetPS();
virtual const gfxIntSize GetSize() const { return mSize; }
private:
HWND mWnd; // non-null if created through the HWND constructor
HDC mDC; // memory device context
HPS mPS; // presentation space connected to window or memory device
HBITMAP mBitmap; // bitmap for initialization of memory surface
gfxIntSize mSize; // current size of the surface
};
#endif /* GFX_OS2_SURFACE_H */