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Diffstat (limited to 'basegfx/inc/basegfx/pixel/bpixel.hxx')
| -rw-r--r-- | basegfx/inc/basegfx/pixel/bpixel.hxx | 226 |
1 files changed, 0 insertions, 226 deletions
diff --git a/basegfx/inc/basegfx/pixel/bpixel.hxx b/basegfx/inc/basegfx/pixel/bpixel.hxx deleted file mode 100644 index a2421ebfb9..0000000000 --- a/basegfx/inc/basegfx/pixel/bpixel.hxx +++ /dev/null @@ -1,226 +0,0 @@ -/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ -/************************************************************************* - * - * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. - * - * Copyright 2000, 2010 Oracle and/or its affiliates. - * - * OpenOffice.org - a multi-platform office productivity suite - * - * This file is part of OpenOffice.org. - * - * OpenOffice.org is free software: you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 3 - * only, as published by the Free Software Foundation. - * - * OpenOffice.org is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU Lesser General Public License version 3 for more details - * (a copy is included in the LICENSE file that accompanied this code). - * - * You should have received a copy of the GNU Lesser General Public License - * version 3 along with OpenOffice.org. If not, see - * <http://www.openoffice.org/license.html> - * for a copy of the LGPLv3 License. - * - ************************************************************************/ - -#ifndef _BGFX_PIXEL_BPIXEL_HXX -#define _BGFX_PIXEL_BPIXEL_HXX - -#include <sal/types.h> -#include <basegfx/numeric/ftools.hxx> -#include <basegfx/color/bcolor.hxx> -#include <basegfx/basegfxdllapi.h> - -////////////////////////////////////////////////////////////////////////////// -// predeclarations - -////////////////////////////////////////////////////////////////////////////// - -namespace basegfx -{ - class BASEGFX_DLLPUBLIC BPixel - { - protected: - union - { - struct - { - // bitfield - unsigned mnR : 8; // red intensity - unsigned mnG : 8; // green intensity - unsigned mnB : 8; // blue intensity - unsigned mnO : 8; // opacity, 0 == full transparence - } maRGBO; - - struct - { - // bitfield - unsigned mnValue : 32; // all values - } maCombinedRGBO; - } maPixelUnion; - - public: - BPixel() - { - maPixelUnion.maCombinedRGBO.mnValue = 0L; - } - - // use explicit here to make sure everyone knows what he is doing. Values range from - // 0..255 integer here. - explicit BPixel(sal_uInt8 nRed, sal_uInt8 nGreen, sal_uInt8 nBlue, sal_uInt8 nOpacity) - { - maPixelUnion.maRGBO.mnR = nRed; - maPixelUnion.maRGBO.mnG = nGreen; - maPixelUnion.maRGBO.mnB = nBlue; - maPixelUnion.maRGBO.mnO = nOpacity; - } - - // constructor from BColor which uses double precision color, so change it - // to local integer format. It will also be clamped here. - BPixel(const BColor& rColor, sal_uInt8 nOpacity) - { - maPixelUnion.maRGBO.mnR = sal_uInt8((rColor.getRed() * 255.0) + 0.5); - maPixelUnion.maRGBO.mnG = sal_uInt8((rColor.getGreen() * 255.0) + 0.5); - maPixelUnion.maRGBO.mnB = sal_uInt8((rColor.getBlue() * 255.0) + 0.5); - maPixelUnion.maRGBO.mnO = nOpacity; - } - - // copy constructor - BPixel(const BPixel& rPixel) - { - maPixelUnion.maCombinedRGBO.mnValue = rPixel.maPixelUnion.maCombinedRGBO.mnValue; - } - - ~BPixel() - {} - - // assignment operator - BPixel& operator=( const BPixel& rPixel ) - { - maPixelUnion.maCombinedRGBO.mnValue = rPixel.maPixelUnion.maCombinedRGBO.mnValue; - return *this; - } - - // data access read - sal_uInt8 getRed() const { return maPixelUnion.maRGBO.mnR; } - sal_uInt8 getGreen() const { return maPixelUnion.maRGBO.mnG; } - sal_uInt8 getBlue() const { return maPixelUnion.maRGBO.mnB; } - sal_uInt8 getOpacity() const { return maPixelUnion.maRGBO.mnO; } - sal_uInt32 getRedGreenBlueOpacity() const { return maPixelUnion.maCombinedRGBO.mnValue; } - - // data access write - void setRed(sal_uInt8 nNew) { maPixelUnion.maRGBO.mnR = nNew; } - void setGreen(sal_uInt8 nNew) { maPixelUnion.maRGBO.mnG = nNew; } - void setBlue(sal_uInt8 nNew) { maPixelUnion.maRGBO.mnB = nNew; } - void setOpacity(sal_uInt8 nNew) { maPixelUnion.maRGBO.mnO = nNew; } - void setRedGreenBlueOpacity(sal_uInt32 nRedGreenBlueOpacity) { maPixelUnion.maCombinedRGBO.mnValue = nRedGreenBlueOpacity; } - void setRedGreenBlue(sal_uInt8 nR, sal_uInt8 nG, sal_uInt8 nB) { maPixelUnion.maRGBO.mnR = nR; maPixelUnion.maRGBO.mnG = nG; maPixelUnion.maRGBO.mnB = nB; } - - // comparators - bool isInvisible() const { return (0 == maPixelUnion.maRGBO.mnO); } - bool isVisible() const { return (0 != maPixelUnion.maRGBO.mnO); } - bool isEmpty() const { return isInvisible(); } - bool isUsed() const { return isVisible(); } - - bool operator==( const BPixel& rPixel ) const - { - return (rPixel.maPixelUnion.maCombinedRGBO.mnValue == maPixelUnion.maCombinedRGBO.mnValue); - } - - bool operator!=( const BPixel& rPixel ) const - { - return (rPixel.maPixelUnion.maCombinedRGBO.mnValue != maPixelUnion.maCombinedRGBO.mnValue); - } - - // empty element - static const BPixel& getEmptyBPixel(); - }; - - ////////////////////////////////////////////////////////////////////////// - // external operators - - inline BPixel minimum(const BPixel& rTupA, const BPixel& rTupB) - { - BPixel aMin( - (rTupB.getRed() < rTupA.getRed()) ? rTupB.getRed() : rTupA.getRed(), - (rTupB.getGreen() < rTupA.getGreen()) ? rTupB.getGreen() : rTupA.getGreen(), - (rTupB.getBlue() < rTupA.getBlue()) ? rTupB.getBlue() : rTupA.getBlue(), - (rTupB.getOpacity() < rTupA.getOpacity()) ? rTupB.getOpacity() : rTupA.getOpacity()); - return aMin; - } - - inline BPixel maximum(const BPixel& rTupA, const BPixel& rTupB) - { - BPixel aMax( - (rTupB.getRed() > rTupA.getRed()) ? rTupB.getRed() : rTupA.getRed(), - (rTupB.getGreen() > rTupA.getGreen()) ? rTupB.getGreen() : rTupA.getGreen(), - (rTupB.getBlue() > rTupA.getBlue()) ? rTupB.getBlue() : rTupA.getBlue(), - (rTupB.getOpacity() > rTupA.getOpacity()) ? rTupB.getOpacity() : rTupA.getOpacity()); - return aMax; - } - - inline BPixel interpolate(const BPixel& rOld1, const BPixel& rOld2, double t) - { - if(rOld1 == rOld2) - { - return rOld1; - } - else if(0.0 >= t) - { - return rOld1; - } - else if(1.0 <= t) - { - return rOld2; - } - else - { - const sal_uInt32 nFactor(fround(256.0 * t)); - const sal_uInt32 nNegFac(256L - nFactor); - return BPixel( - (sal_uInt8)(((sal_uInt32)rOld1.getRed() * nNegFac + (sal_uInt32)rOld2.getRed() * nFactor) >> 8L), - (sal_uInt8)(((sal_uInt32)rOld1.getGreen() * nNegFac + (sal_uInt32)rOld2.getGreen() * nFactor) >> 8L), - (sal_uInt8)(((sal_uInt32)rOld1.getBlue() * nNegFac + (sal_uInt32)rOld2.getBlue() * nFactor) >> 8L), - (sal_uInt8)(((sal_uInt32)rOld1.getOpacity() * nNegFac + (sal_uInt32)rOld2.getOpacity() * nFactor) >> 8L)); - } - } - - inline BPixel average(const BPixel& rOld1, const BPixel& rOld2) - { - if(rOld1 == rOld2) - { - return rOld1; - } - else - { - return BPixel( - (sal_uInt8)(((sal_uInt32)rOld1.getRed() + (sal_uInt32)rOld2.getRed()) >> 1L), - (sal_uInt8)(((sal_uInt32)rOld1.getGreen() + (sal_uInt32)rOld2.getGreen()) >> 1L), - (sal_uInt8)(((sal_uInt32)rOld1.getBlue() + (sal_uInt32)rOld2.getBlue()) >> 1L), - (sal_uInt8)(((sal_uInt32)rOld1.getOpacity() + (sal_uInt32)rOld2.getOpacity()) >> 1L)); - } - } - - inline BPixel average(const BPixel& rOld1, const BPixel& rOld2, const BPixel& rOld3) - { - if(rOld1 == rOld2 && rOld2 == rOld3) - { - return rOld1; - } - else - { - return BPixel( - (sal_uInt8)(((sal_uInt32)rOld1.getRed() + (sal_uInt32)rOld2.getRed() + (sal_uInt32)rOld3.getRed()) / 3L), - (sal_uInt8)(((sal_uInt32)rOld1.getGreen() + (sal_uInt32)rOld2.getGreen() + (sal_uInt32)rOld3.getGreen()) / 3L), - (sal_uInt8)(((sal_uInt32)rOld1.getBlue() + (sal_uInt32)rOld2.getBlue() + (sal_uInt32)rOld3.getBlue()) / 3L), - (sal_uInt8)(((sal_uInt32)rOld1.getOpacity() + (sal_uInt32)rOld2.getOpacity() + (sal_uInt32)rOld3.getOpacity()) / 3L)); - } - } -} // end of namespace basegfx - -#endif /* _BGFX_PIXEL_BPIXEL_HXX */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |