gecko-dev/widget/windows/nsWindowGfx.h

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 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 HBITMAP DataToBitmap(PRUint8* aImageData, PRUint32 aWidth, PRUint32 aHeight, PRUint32 aDepth);
};
#endif // WindowGfx_h__