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/*
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* Copyright (c) 2001, 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 Index8Gray_h_Included
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#define Index8Gray_h_Included
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#include "IntDcm.h"
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#include "ByteGray.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 "Index8Gray".
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*/
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typedef jubyte Index8GrayPixelType;
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typedef jubyte Index8GrayDataType;
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#define Index8GrayIsOpaque 1
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#define Index8GrayPixelStride 1
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#define Index8GrayBitsPerPixel 8
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#define DeclareIndex8GrayLoadVars(PREFIX) \
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jint *PREFIX ## Lut;
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#define DeclareIndex8GrayStoreVars(PREFIX) \
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jint *PREFIX ## InvGrayLut;
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#define SetIndex8GrayStoreVarsYPos(PREFIX, pRasInfo, LOC)
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#define SetIndex8GrayStoreVarsXPos(PREFIX, pRasInfo, LOC)
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#define InitIndex8GrayLoadVars(PREFIX, pRasInfo) \
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PREFIX ## Lut = (pRasInfo)->lutBase
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#define InitIndex8GrayStoreVarsY(PREFIX, pRasInfo) \
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PREFIX ## InvGrayLut = (pRasInfo)->invGrayTable;
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#define InitIndex8GrayStoreVarsX(PREFIX, pRasInfo)
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#define NextIndex8GrayStoreVarsX(PREFIX)
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#define NextIndex8GrayStoreVarsY(PREFIX)
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#define Index8GrayXparLutEntry -1
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#define Index8GrayIsXparLutEntry(pix) (pix < 0)
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#define StoreIndex8GrayNonXparFromArgb StoreIndex8GrayFrom1IntArgb
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#define StoreIndex8GrayPixel(pRas, x, pixel) \
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((pRas)[x] = (jubyte) (pixel))
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#define DeclareIndex8GrayPixelData(PREFIX)
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#define ExtractIndex8GrayPixelData(PIXEL, PREFIX)
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#define StoreIndex8GrayPixelData(pPix, x, pixel, PREFIX) \
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((pPix)[x] = (jubyte)(pixel))
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#define Index8GrayPixelFromArgb(pixel, rgb, pRasInfo) \
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do { \
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jint r, g, b, gray; \
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ExtractIntDcmComponentsX123(rgb, r, g, b); \
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gray = ComposeByteGrayFrom3ByteRgb(r, g, b); \
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(pixel) = (pRasInfo)->invGrayTable[gray]; \
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} while (0)
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#define LoadIndex8GrayTo1IntRgb(pRas, PREFIX, x, rgb) \
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(rgb) = PREFIX ## Lut[pRas[x]]
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#define LoadIndex8GrayTo1IntArgb(pRas, PREFIX, x, argb) \
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(argb) = PREFIX ## Lut[pRas[x]]
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#define LoadIndex8GrayTo1ByteGray(pRas, PREFIX, x, gray) \
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(gray) = (jubyte)PREFIX ## Lut[pRas[x]]
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#define LoadIndex8GrayTo3ByteRgb(pRas, PREFIX, x, r, g, b) \
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r = g = b = (jubyte)PREFIX ## Lut[pRas[x]]
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#define LoadIndex8GrayTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
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do { \
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a = 0xff; \
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LoadIndex8GrayTo3ByteRgb(pRas, PREFIX, x, r, g, b); \
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} while (0)
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#define StoreIndex8GrayFrom1IntRgb(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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StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \
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} while (0)
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#define StoreIndex8GrayFrom1IntArgb(pRas, PREFIX, x, argb) \
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StoreIndex8GrayFrom1IntRgb(pRas, PREFIX, x, argb)
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#define StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \
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do { \
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int gray = ComposeByteGrayFrom3ByteRgb(r, g, b); \
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(pRas)[x] = (jubyte) (PREFIX ## InvGrayLut[gray]); \
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} while (0)
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#define StoreIndex8GrayFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
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StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b)
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#define StoreIndex8GrayFrom1ByteGray(pRas, PREFIX, x, gray) \
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(pRas)[x] = (jubyte) (PREFIX ## InvGrayLut[gray]);
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#define CopyIndex8GrayToIntArgbPre(pRGB, i, PREFIX, pRow, x) \
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(pRGB)[i] = PREFIX ## Lut[pRow[x]]
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#define DeclareIndex8GrayAlphaLoadData(PREFIX) \
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jint *PREFIX ## Lut;
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#define InitIndex8GrayAlphaLoadData(PREFIX, pRasInfo) \
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PREFIX ## Lut = (pRasInfo)->lutBase
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#define LoadAlphaFromIndex8GrayFor1ByteGray(pRas, PREFIX, COMP_PREFIX) \
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COMP_PREFIX ## A = 0xff
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#define Postload1ByteGrayFromIndex8Gray(pRas, PREFIX, COMP_PREFIX) \
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COMP_PREFIX ## G = (jubyte)PREFIX ## Lut[(pRas)[0]]
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#define StoreIndex8GrayFrom1ByteGrayComps(pRas, PREFIX, x, COMP_PREFIX) \
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StoreIndex8GrayFrom1ByteGray(pRas, PREFIX, x, COMP_PREFIX ## G)
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#define Index8GrayIsPremultiplied 0
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#endif /* Index8Gray_h_Included */
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