pjs/gfx/thebes/nsCoreAnimationSupport.h

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Objective-C

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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* 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
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* The Original Code is Mozilla.org code.
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* The Initial Developer of the Original Code is
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* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
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* Contributor(s):
* bgirard <b56girard@gmail.com>
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#ifndef nsCoreAnimationSupport_h__
#define nsCoreAnimationSupport_h__
#ifdef XP_MACOSX
#import "ApplicationServices/ApplicationServices.h"
#include "nscore.h"
#include "gfxTypes.h"
// Get the system color space.
CGColorSpaceRef THEBES_API CreateSystemColorSpace();
// Manages a CARenderer
struct _CGLPBufferObject;
struct _CGLContextObject;
class nsIOSurface;
class THEBES_API nsCARenderer {
public:
nsCARenderer() : mCARenderer(nsnull), mPixelBuffer(nsnull), mOpenGLContext(nsnull),
mCGImage(nsnull), mCGData(nsnull), mIOSurface(nsnull), mFBO(nsnull),
mIOTexture(nsnull) {}
~nsCARenderer();
nsresult SetupRenderer(void* aCALayer, int aWidth, int aHeight);
nsresult Render(int aWidth, int aHeight, CGImageRef *aOutCAImage);
bool isInit() { return mCARenderer != nsnull; }
/*
* Render the CALayer to an IOSurface. If no IOSurface
* is attached then an internal pixel buffer will be
* used.
*/
void AttachIOSurface(nsIOSurface *aSurface);
static nsresult DrawSurfaceToCGContext(CGContextRef aContext,
nsIOSurface *surf,
CGColorSpaceRef aColorSpace,
int aX, int aY,
int aWidth, int aHeight);
private:
void Destroy();
void *mCARenderer;
_CGLPBufferObject *mPixelBuffer;
_CGLContextObject *mOpenGLContext;
CGImageRef mCGImage;
void *mCGData;
nsIOSurface *mIOSurface;
uint32_t mFBO;
uint32_t mIOTexture;
};
typedef uint32_t IOSurfaceID;
class THEBES_API nsIOSurface {
public:
static nsIOSurface *CreateIOSurface(int aWidth, int aHeight);
static void ReleaseIOSurface(nsIOSurface *aIOSurface);
static nsIOSurface *LookupSurface(IOSurfaceID aSurfaceID);
nsIOSurface(CFTypeRef aIOSurfacePtr) : mIOSurfacePtr(aIOSurfacePtr) {}
~nsIOSurface() { CFRelease(mIOSurfacePtr); }
IOSurfaceID GetIOSurfaceID();
void *GetBaseAddress();
size_t GetWidth();
size_t GetHeight();
size_t GetBytesPerRow();
void Lock();
void Unlock();
private:
friend class nsCARenderer;
CFTypeRef mIOSurfacePtr;
};
#endif // XP_MACOSX
#endif // nsCoreAnimationSupport_h__