/*

 * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

#ifndef UshortIndexed_h_Included

#define UshortIndexed_h_Included

#include "IntDcm.h"

#include "ByteIndexed.h"

/*

 * This file contains macro and type definitions used by the macros in

 * LoopMacros.h to manipulate a surface of type "UshortIndexed".

 */

typedef jushort UshortIndexedPixelType;

typedef jushort UshortIndexedDataType;

#define UshortIndexedPixelStride                2

/*

 * Note that even though the type is called UshortIndex it is

 * really only used as 12-bit indexed (per the BitsPerPixel

 * define), thus we need to mask 12 bits of the index into Lut.

 */

#define UshortIndexedBitsPerPixel               12

#define UshortIndexedLutMask                    0xfff

#define DeclareUshortIndexedLoadVars(PREFIX) \

    jint *PREFIX ## Lut;

#define DeclareUshortIndexedStoreVars(PREFIX) \

    int PREFIX ## XDither, PREFIX ## YDither; \

    char *PREFIX ## rerr, *PREFIX ## gerr, *PREFIX ## berr; \

    unsigned char *PREFIX ## InvLut;

#define SetUshortIndexedStoreVarsYPos(PREFIX, pRasInfo, LOC) \

    do { \

         PREFIX ## YDither = ((LOC & 7) << 3); \

    } while (0)

#define SetUshortIndexedStoreVarsXPos(PREFIX, pRasInfo, LOC) \

    do { \

        PREFIX ## rerr = (pRasInfo)->redErrTable + PREFIX ## YDither; \

        PREFIX ## gerr = (pRasInfo)->grnErrTable + PREFIX ## YDither; \

        PREFIX ## berr = (pRasInfo)->bluErrTable + PREFIX ## YDither; \

        PREFIX ## XDither = (LOC & 7); \

    } while (0)

#define InitUshortIndexedLoadVars(PREFIX, pRasInfo) \

    PREFIX ## Lut = (pRasInfo)->lutBase

/* REMIND Could collapse Init..Store..X and Init..Store..Y into one Init

 * and factor out the Set.. macros.

 */

#define InitUshortIndexedStoreVarsY(PREFIX, pRasInfo) \

    do { \

        SetUshortIndexedStoreVarsYPos(PREFIX, pRasInfo, (pRasInfo)->bounds.y1); \

        PREFIX ## InvLut = (pRasInfo)->invColorTable; \

    } while (0)

#define InitUshortIndexedStoreVarsX(PREFIX, pRasInfo) \

    SetUshortIndexedStoreVarsXPos(PREFIX, pRasInfo, (pRasInfo)->bounds.x1);

#define NextUshortIndexedStoreVarsX(PREFIX) \

    PREFIX ## XDither = (PREFIX ## XDither + 1) & 7

#define NextUshortIndexedStoreVarsY(PREFIX) \

    PREFIX ## YDither = (PREFIX ## YDither + (1 << 3)) & (7 << 3)

typedef jushort UshortIndexedBmPixelType;

typedef jushort UshortIndexedBmDataType;

#define UshortIndexedBmPixelStride      2

#define UshortIndexedBmBitsPerPixel     12

#define DeclareUshortIndexedBmLoadVars  DeclareUshortIndexedLoadVars

#define DeclareUshortIndexedBmStoreVars DeclareUshortIndexedStoreVars

#define InitUshortIndexedBmLoadVars     InitUshortIndexedLoadVars

#define InitUshortIndexedBmStoreVarsY   InitUshortIndexedStoreVarsY

#define InitUshortIndexedBmStoreVarsX   InitUshortIndexedStoreVarsX

#define NextUshortIndexedBmStoreVarsX   NextUshortIndexedStoreVarsX

#define NextUshortIndexedBmStoreVarsY   NextUshortIndexedStoreVarsY

#define UshortIndexedXparLutEntry                       -1

#define UshortIndexedIsXparLutEntry(pix)                (pix < 0)

#define StoreUshortIndexedNonXparFromArgb               StoreUshortIndexedFrom1IntArgb

#define StoreUshortIndexedPixel(pRas, x, pixel) \

    ((pRas)[x] = (jushort) (pixel))

#define DeclareUshortIndexedPixelData(PREFIX)

#define ExtractUshortIndexedPixelData(PIXEL, PREFIX)

#define StoreUshortIndexedPixelData(pPix, x, pixel, PREFIX) \

    (pPix)[x] = (jushort) (pixel)

#define UshortIndexedPixelFromArgb(pixel, rgb, pRasInfo) \

    do { \

        jint r, g, b; \

        ExtractIntDcmComponentsX123(rgb, r, g, b); \

        (pixel) = SurfaceData_InvColorMap((pRasInfo)->invColorTable, \

                                          r, g, b); \

    } while (0)

#define LoadUshortIndexedTo1IntRgb(pRas, PREFIX, x, rgb) \

   (rgb) = PREFIX ## Lut[(pRas[x])&UshortIndexedLutMask];

#define LoadUshortIndexedTo1IntArgb(pRas, PREFIX, x, argb) \

   (argb) = PREFIX ## Lut[(pRas[x])&UshortIndexedLutMask];

#define LoadUshortIndexedTo3ByteRgb(pRas, PREFIX, x, r, g, b) \

    do { \

        jint rgb = PREFIX ## Lut[(pRas[x])&UshortIndexedLutMask]; \

        ExtractIntDcmComponentsX123(rgb, r, g, b); \

    } while (0)

#define LoadUshortIndexedTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    do { \

        jint argb = PREFIX ## Lut[(pRas[x])&UshortIndexedLutMask]; \

        ExtractIntDcmComponents1234(argb, a, r, g, b); \

    } while (0)

#define StoreUshortIndexedFrom1IntRgb(pRas, PREFIX, x, rgb) \

    do { \

        int r, g, b; \

        ExtractIntDcmComponentsX123(rgb, r, g, b); \

        StoreUshortIndexedFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \

    } while (0)

#define StoreUshortIndexedFrom1IntArgb(pRas, PREFIX, x, argb) \

    StoreUshortIndexedFrom1IntRgb(pRas, PREFIX, x, argb)

#define StoreUshortIndexedFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \

    do { \

        r += PREFIX ## rerr[PREFIX ## XDither]; \

        g += PREFIX ## gerr[PREFIX ## XDither]; \

        b += PREFIX ## berr[PREFIX ## XDither]; \

        ByteClamp3Components(r, g, b); \

        (pRas)[x] = SurfaceData_InvColorMap(PREFIX ## InvLut, r, g, b); \

    } while (0)

#define StoreUshortIndexedFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    StoreUshortIndexedFrom3ByteRgb(pRas, PREFIX, x, r, g, b)

#define DeclareUshortIndexedAlphaLoadData(PREFIX) \

    jint *PREFIX ## Lut; \

    jint PREFIX ## rgb;

#define InitUshortIndexedAlphaLoadData(PREFIX, pRasInfo) \

    do { \

        PREFIX ## Lut = (pRasInfo)->lutBase; \

        PREFIX ## rgb = 0; \

    } while (0)

#define LoadAlphaFromUshortIndexedFor4ByteArgb(pRas, PREFIX, COMP_PREFIX) \

    do { \

        PREFIX ## rgb = PREFIX ## Lut[((pRas)[0])&UshortIndexedLutMask]; \

        COMP_PREFIX ## A = ((juint) PREFIX ## rgb) >> 24; \

    } while (0)

#define Postload4ByteArgbFromUshortIndexed(pRas, PREFIX, COMP_PREFIX) \

    do { \

        COMP_PREFIX ## R = (PREFIX ## rgb >> 16) & 0xff; \

        COMP_PREFIX ## G = (PREFIX ## rgb >>  8) & 0xff; \

        COMP_PREFIX ## B = (PREFIX ## rgb >>  0) & 0xff; \

    } while (0)

#define UshortIndexedIsPremultiplied    0

#define StoreUshortIndexedFrom4ByteArgbComps(pRas, PREFIX, x, COMP_PREFIX) \

    StoreUshortIndexedFrom4ByteArgb(pRas, PREFIX, x, \

                                  COMP_PREFIX ## A, COMP_PREFIX ## R, \

                                  COMP_PREFIX ## G, COMP_PREFIX ## B)

#endif /* UshortIndexed_h_Included */