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/*
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* Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef ByteGray_h_Included
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#define ByteGray_h_Included
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#include "IntDcm.h"
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/*
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* This file contains macro and type definitions used by the macros in
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* LoopMacros.h to manipulate a surface of type "ByteGray".
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*/
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typedef jubyte ByteGrayPixelType;
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typedef jubyte ByteGrayDataType;
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#define ByteGrayIsOpaque 1
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#define ByteGrayPixelStride 1
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#define ByteGrayBitsPerPixel 8
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#define DeclareByteGrayLoadVars(PREFIX)
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#define DeclareByteGrayStoreVars(PREFIX)
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#define SetByteGrayStoreVarsYPos(PREFIX, pRasInfo, y)
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#define SetByteGrayStoreVarsXPos(PREFIX, pRasInfo, x)
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#define InitByteGrayLoadVars(PREFIX, pRasInfo)
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#define InitByteGrayStoreVarsY(PREFIX, pRasInfo)
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#define InitByteGrayStoreVarsX(PREFIX, pRasInfo)
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#define NextByteGrayStoreVarsX(PREFIX)
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#define NextByteGrayStoreVarsY(PREFIX)
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#define DeclareByteGrayPixelData(PREFIX)
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#define ExtractByteGrayPixelData(PIXEL, PREFIX)
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#define ByteGrayXparLutEntry -1
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#define ByteGrayIsXparLutEntry(pix) (pix < 0)
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#define StoreByteGrayNonXparFromArgb StoreByteGrayFrom1IntArgb
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#define ComposeByteGrayFrom3ByteRgb(r, g, b) \
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(ByteGrayDataType)(((77*(r)) + (150*(g)) + (29*(b)) + 128) / 256)
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#define StoreByteGrayPixel(pRas, x, pixel) \
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((pRas)[x] = (jubyte) (pixel))
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#define StoreByteGrayPixelData(pPix, x, pixel, PREFIX) \
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StoreByteGrayPixel(pPix, x, pixel)
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#define ByteGrayPixelFromArgb(pixel, rgb, pRasInfo) \
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do { \
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jint r, g, b; \
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ExtractIntDcmComponentsX123(rgb, r, g, b); \
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(pixel) = ComposeByteGrayFrom3ByteRgb(r, g, b); \
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} while (0)
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#define LoadByteGrayTo1IntRgb(pRas, PREFIX, x, rgb) \
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do { \
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int gray = (pRas)[x]; \
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(rgb) = (((gray << 8) | gray) << 8) | gray; \
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} while (0)
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#define LoadByteGrayTo1IntArgb(pRas, PREFIX, x, argb) \
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do { \
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int gray = (pRas)[x]; \
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(argb) = (((((0xff << 8) | gray) << 8) | gray) << 8) | gray; \
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} while (0)
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#define LoadByteGrayTo3ByteRgb(pRas, PREFIX, x, r, g, b) \
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((r) = (g) = (b) = (pRas)[x])
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#define LoadByteGrayTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
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do { \
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LoadByteGrayTo3ByteRgb(pRas, PREFIX, x, r, g, b); \
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(a) = 0xff; \
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} while (0)
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#define LoadByteGrayTo1ByteGray(pRas, PREFIX, x, gray) \
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(gray) = (pRas)[x]
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#define StoreByteGrayFrom1IntRgb(pRas, PREFIX, x, rgb) \
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do { \
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int r, g, b; \
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ExtractIntDcmComponentsX123(rgb, r, g, b); \
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StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \
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} while (0)
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#define StoreByteGrayFrom1IntArgb(pRas, PREFIX, x, argb) \
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StoreByteGrayFrom1IntRgb(pRas, PREFIX, x, argb)
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#define StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \
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(pRas)[x] = ComposeByteGrayFrom3ByteRgb(r, g, b)
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#define StoreByteGrayFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
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StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b)
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#define StoreByteGrayFrom1ByteGray(pRas, PREFIX, x, gray) \
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StoreByteGrayPixel(pRas, x, gray)
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#define CopyByteGrayToIntArgbPre(pRGB, i, PREFIX, pRow, x) \
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LoadByteGrayTo1IntArgb(pRow, PREFIX, x, pRGB[i])
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#define DeclareByteGrayAlphaLoadData(PREFIX)
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#define InitByteGrayAlphaLoadData(PREFIX, pRasInfo)
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#define LoadAlphaFromByteGrayFor1ByteGray(pRas, PREFIX, COMP_PREFIX) \
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COMP_PREFIX ## A = 0xff
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#define Postload1ByteGrayFromByteGray(pRas, PREFIX, COMP_PREFIX) \
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COMP_PREFIX ## G = pRas[0]
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#define ByteGrayIsPremultiplied 0
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#define DeclareByteGrayBlendFillVars(PREFIX) \
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jubyte PREFIX;
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#define ClearByteGrayBlendFillVars(PREFIX, argb) \
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PREFIX = 0
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#define InitByteGrayBlendFillVarsNonPre(PREFIX, argb, COMP_PREFIX) \
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PREFIX = (jubyte) COMP_PREFIX ## G
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#define InitByteGrayBlendFillVarsPre(PREFIX, argb, COMP_PREFIX)
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#define StoreByteGrayBlendFill(pRas, PREFIX, x, argb, COMP_PREFIX) \
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(pRas)[x] = PREFIX
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#define StoreByteGrayFrom1ByteGrayComps(pRas, PREFIX, x, COMP_PREFIX) \
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StoreByteGrayPixel(pRas, x, COMP_PREFIX ## G)
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#endif /* ByteGray_h_Included */
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