mirror of
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147 lines
6.5 KiB
C++
147 lines
6.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef nsBlender_h___
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#define nsBlender_h___
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#include "nsCOMPtr.h"
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#include "nsIBlender.h"
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#include "nsIDeviceContext.h"
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typedef enum
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{
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nsLowQual = 0,
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nsLowMedQual,
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nsMedQual,
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nsHighMedQual,
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nsHighQual
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} nsBlendQuality;
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//----------------------------------------------------------------------
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// Blender interface
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class NS_GFX nsBlender : public nsIBlender
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{
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public:
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/** --------------------------------------------------------------------------
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* General constructor for a nsBlender object
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*/
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nsBlender();
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NS_DECL_ISUPPORTS
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NS_IMETHOD Init(nsIDeviceContext *aContext);
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NS_IMETHOD Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight,nsIDrawingSurface* aSrc,
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nsIDrawingSurface* aDest, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity,
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nsIDrawingSurface* aSecondSrc = nsnull, nscolor aSrcBackColor = NS_RGB(0, 0, 0),
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nscolor aSecondSrcBackColor = NS_RGB(0, 0, 0));
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NS_IMETHOD Blend(PRInt32 aSX, PRInt32 aSY, PRInt32 aWidth, PRInt32 aHeight, nsIRenderingContext *aSrc,
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nsIRenderingContext *aDest, PRInt32 aDX, PRInt32 aDY, float aSrcOpacity,
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nsIRenderingContext *aSecondSrc = nsnull, nscolor aSrcBackColor = NS_RGB(0, 0, 0),
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nscolor aSecondSrcBackColor = NS_RGB(0, 0, 0));
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NS_IMETHOD GetAlphas(const nsRect& aRect, nsIDrawingSurface* aBlack,
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nsIDrawingSurface* aWhite, PRUint8** aAlphas);
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protected:
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/** --------------------------------------------------------------------------
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* Destructor for a nsBlender object
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*/
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virtual ~nsBlender();
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//called by nsIBlender Blend() functions
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nsresult Blend(PRUint8 *aSrcBits, PRInt32 aSrcStride,
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PRUint8 *aDestBits, PRInt32 aDestStride,
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PRUint8 *aSecondSrcBits,
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PRInt32 aSrcBytes, PRInt32 aLines, float aOpacity,
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PRUint8 aDepth);
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/** --------------------------------------------------------------------------
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* Blend two 32 bit image arrays
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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*/
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void Do32Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes,
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PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage,
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PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aTheQual);
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/** --------------------------------------------------------------------------
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* Blend two 24 bit image arrays using a passed in blend value
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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*/
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void Do24Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes,
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PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage,
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PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aBlendQuality);
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/** --------------------------------------------------------------------------
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* Blend two 16 bit image arrays using a passed in blend value
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* @param aNumlines Number of lines to blend
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* @param aNumberBytes Number of bytes per line to blend
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* @param aSImage Pointer to beginning of the source bytes
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* @param aDImage Pointer to beginning of the destination bytes
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* @param aMImage Pointer to beginning of the mask bytes
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* @param aSLSpan number of bytes per line for the source bytes
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* @param aDLSpan number of bytes per line for the destination bytes
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* @param aMLSpan number of bytes per line for the Mask bytes
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* @param aBlendQuality The quality of this blend, this is for tweening if neccesary
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*/
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void Do16Blend(float aOpacity, PRInt32 aNumLines, PRInt32 aNumBytes,
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PRUint8 *aSImage, PRUint8 *aDImage, PRUint8 *aSecondSImage,
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PRInt32 aSLSpan, PRInt32 aDLSpan, nsBlendQuality aBlendQuality);
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};
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#endif /* !nsBlender_h___ */
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