gecko/widget/windows/nsWindowGfx.h

80 lines
2.9 KiB
C
Raw Normal View History

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2009
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef WindowGfx_h__
#define WindowGfx_h__
/*
* nsWindowGfx - Painting and aceleration.
*/
#include "nsWindow.h"
#include <imgIContainer.h>
// This isn't ideal, we should figure out how to export
// the #defines here; need this to figure out if we have
// the DirectDraw surface or not.
#include "cairo-features.h"
class nsWindowGfx {
public:
static nsIntRect ToIntRect(const RECT& aRect)
{
return nsIntRect(aRect.left, aRect.top,
aRect.right - aRect.left, aRect.bottom - aRect.top);
}
static nsIntRegion ConvertHRGNToRegion(HRGN aRgn);
enum IconSizeType {
kSmallIcon,
kRegularIcon
};
static gfxIntSize GetIconMetrics(IconSizeType aSizeType);
static nsresult CreateIcon(imgIContainer *aContainer, bool aIsCursor, PRUint32 aHotspotX, PRUint32 aHotspotY, gfxIntSize aScaledSize, HICON *aIcon);
private:
/**
* Cursor helpers
*/
static PRUint8* Data32BitTo1Bit(PRUint8* aImageData, PRUint32 aWidth, PRUint32 aHeight);
static bool IsCursorTranslucencySupported();
static HBITMAP DataToBitmap(PRUint8* aImageData, PRUint32 aWidth, PRUint32 aHeight, PRUint32 aDepth);
};
#endif // WindowGfx_h__