/* -*- 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 * Netscape Communications Corporation. * Portions created by the Initial Developer are Copyright (C) 1998 * the Initial Developer. All Rights Reserved. * * Contributor(s): * Roland Mainz * * Alternatively, the contents of this file may be used under the terms of * either of 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 nsBlender_h___ #define nsBlender_h___ #include "nsCOMPtr.h" #include "nsIBlender.h" #include "nsIDeviceContext.h" typedef enum { nsLowQual = 0, nsLowMedQual, nsMedQual, nsHighMedQual, nsHighQual } nsBlendQuality; //---------------------------------------------------------------------- // Blender interface class NS_GFX nsBlender : public nsIBlender { public: /** -------------------------------------------------------------------------- * General constructor for a nsBlender object */ nsBlender(); NS_DECL_ISUPPORTS NS_IMETHOD Init(nsIDeviceContext *aContext); NS_IMETHOD Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight,nsIDrawingSurface* aSrc, nsIDrawingSurface* aDest, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity, nsIDrawingSurface* aSecondSrc = nsnull, nscolor aSrcBackColor = NS_RGB(0, 0, 0), nscolor aSecondSrcBackColor = NS_RGB(0, 0, 0)); NS_IMETHOD Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight, nsIRenderingContext *aSrc, nsIRenderingContext *aDest, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity, nsIRenderingContext *aSecondSrc = nsnull, nscolor aSrcBackColor = NS_RGB(0, 0, 0), nscolor aSecondSrcBackColor = NS_RGB(0, 0, 0)); NS_IMETHOD GetAlphas(const nsRect& aRect, nsIDrawingSurface* aBlack, nsIDrawingSurface* aWhite, PRUint8** aAlphas); protected: /** -------------------------------------------------------------------------- * Destructor for a nsBlender object */ virtual ~nsBlender(); //called by nsIBlender Blend() functions nsresult Blend(PRUint8 *aSrcBits, PRInt32 aSrcStride, PRUint8 *aDestBits, PRInt32 aDestStride, PRUint8 *aSecondSrcBits, PRInt32 aSrcBytes, PRInt32 aLines, float aOpacity, PRUint8 aDepth); /** -------------------------------------------------------------------------- * Blend two 32 bit image arrays * @param aNumlines Number of lines to blend * @param aNumberBytes Number of bytes per line to blend * @param aSImage Pointer to beginning of the source bytes * @param aDImage Pointer to beginning of the destination bytes * @param aMImage Pointer to beginning of the mask bytes * @param aSLSpan number of bytes per line for the source bytes * @param aDLSpan number of bytes per line for the destination bytes * @param aMLSpan number of bytes per line for the Mask bytes * @param aBlendQuality The quality of this blend, this is for tweening if neccesary */ void Do32Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes, PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage, PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aTheQual); /** -------------------------------------------------------------------------- * Blend two 24 bit image arrays using a passed in blend value * @param aNumlines Number of lines to blend * @param aNumberBytes Number of bytes per line to blend * @param aSImage Pointer to beginning of the source bytes * @param aDImage Pointer to beginning of the destination bytes * @param aMImage Pointer to beginning of the mask bytes * @param aSLSpan number of bytes per line for the source bytes * @param aDLSpan number of bytes per line for the destination bytes * @param aMLSpan number of bytes per line for the Mask bytes * @param aBlendQuality The quality of this blend, this is for tweening if neccesary */ void Do24Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes, PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage, PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aBlendQuality); /** -------------------------------------------------------------------------- * Blend two 16 bit image arrays using a passed in blend value * @param aNumlines Number of lines to blend * @param aNumberBytes Number of bytes per line to blend * @param aSImage Pointer to beginning of the source bytes * @param aDImage Pointer to beginning of the destination bytes * @param aMImage Pointer to beginning of the mask bytes * @param aSLSpan number of bytes per line for the source bytes * @param aDLSpan number of bytes per line for the destination bytes * @param aMLSpan number of bytes per line for the Mask bytes * @param aBlendQuality The quality of this blend, this is for tweening if neccesary */ void Do16Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes, PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage, PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aBlendQuality); }; #endif /* !nsBlender_h___ */