gfx/thebes/public/gfxOS2Surface.h

   1 /* vim: set sw=4 sts=4 et cin: */
   2 /* ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is OS/2 code in Thebes.
  16  *
  17  * The Initial Developer of the Original Code is
  18  * Peter Weilbacher <mozilla@Weilbacher.org>.
  19  * Portions created by the Initial Developer are Copyright (C) 2006
  20  * the Initial Developer. All Rights Reserved.
  21  *
  22  * Contributor(s):
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
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  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #ifndef GFX_OS2_SURFACE_H
  39 #define GFX_OS2_SURFACE_H
  40
  41 #include "gfxASurface.h"
  42
  43 #define INCL_GPIBITMAPS
  44 #include <os2.h>
  45 #include <cairo-os2.h>
  46
  47 class THEBES_API gfxOS2Surface : public gfxASurface {
  48
  49 public:
  50     // constructor used to create a memory surface of given size
  51     gfxOS2Surface(const gfxIntSize& aSize,
  52                   gfxASurface::gfxImageFormat aImageFormat);
  53     // constructor for surface connected to an onscreen window
  54     gfxOS2Surface(HWND aWnd);
  55     // constructor for surface connected to a printing device context
  56     gfxOS2Surface(HDC aDC, const gfxIntSize& aSize);
  57     virtual ~gfxOS2Surface();
  58
  59     // Special functions that only make sense for the OS/2 port of cairo:
  60
  61     // Update the cairo surface.
  62     // While gfxOS2Surface keeps track of the presentation handle itself,
  63     // use the one from WinBeginPaint() here.
  64     void Refresh(RECTL *aRect, HPS aPS);
  65
  66     // Reset the cairo surface to the given size.
  67     int Resize(const gfxIntSize& aSize);
  68
  69     HPS GetPS() { return mPS; }
  70     gfxIntSize GetSize() { return mSize; }
  71
  72 private:
  73     PRBool mHasWnd; // indicates if created through the HWND constructor
  74     HDC mDC; // memory device context
  75     HPS mPS; // presentation space connected to window or memory device
  76     HBITMAP mBitmap; // bitmap for initialization of memory surface
  77     gfxIntSize mSize; // current size of the surface
  78 };
  79
  80 #endif /* GFX_OS2_SURFACE_H */