/*

 * Copyright (c) 2000, 2006, 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 ByteIndexed_h_Included

#define ByteIndexed_h_Included

#include "IntDcm.h"

/*

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

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

 */

typedef jubyte  ByteIndexedPixelType;

typedef jubyte  ByteIndexedDataType;

#define ByteIndexedPixelStride          1

#define ByteIndexedBitsPerPixel         8

#define DeclareByteIndexedLoadVars(PREFIX) \

    jint *PREFIX ## Lut;

#define DeclareByteIndexedStoreVars(PREFIX) \

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

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

    unsigned char *PREFIX ## InvLut;

#define SetByteIndexedStoreVarsYPos(PREFIX, pRasInfo, LOC) \

    do { \

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

    } while (0)

#define SetByteIndexedStoreVarsXPos(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 InitByteIndexedLoadVars(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 InitByteIndexedStoreVarsY(PREFIX, pRasInfo) \

    do { \

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

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

    } while (0)

#define InitByteIndexedStoreVarsX(PREFIX, pRasInfo) \

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

#define NextByteIndexedStoreVarsX(PREFIX) \

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

#define NextByteIndexedStoreVarsY(PREFIX) \

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

typedef jubyte  ByteIndexedBmPixelType;

typedef jubyte  ByteIndexedBmDataType;

#define ByteIndexedBmPixelStride        1

#define ByteIndexedBmBitsPerPixel       8

#define DeclareByteIndexedBmLoadVars    DeclareByteIndexedLoadVars

#define DeclareByteIndexedBmStoreVars   DeclareByteIndexedStoreVars

#define InitByteIndexedBmLoadVars       InitByteIndexedLoadVars

#define InitByteIndexedBmStoreVarsY     InitByteIndexedStoreVarsY

#define InitByteIndexedBmStoreVarsX     InitByteIndexedStoreVarsX

#define NextByteIndexedBmStoreVarsX     NextByteIndexedStoreVarsX

#define NextByteIndexedBmStoreVarsY     NextByteIndexedStoreVarsY

#define LoadByteIndexedBmTo1IntArgb     LoadByteIndexedTo1IntArgb

#define CopyByteIndexedBmToIntArgbPre(pRGB, i, PREFIX, pRow, x) \

    do { \

        jint argb = PREFIX ## Lut[pRow[x]]; \

        (pRGB)[i] = argb & (argb >> 24); \

    } while (0)

#define ByteIndexedXparLutEntry                 -1

#define ByteIndexedIsXparLutEntry(pix)          (pix < 0)

#define StoreByteIndexedNonXparFromArgb         StoreByteIndexedFrom1IntArgb

#define StoreByteIndexedPixel(pRas, x, pixel) \

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

#define DeclareByteIndexedPixelData(PREFIX)

#define ExtractByteIndexedPixelData(PIXEL, PREFIX)

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

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

#define ByteIndexedPixelFromArgb(pixel, rgb, pRasInfo) \

    do { \

        jint r, g, b; \

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

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

                                          r, g, b); \

    } while (0)

#define LoadByteIndexedTo1IntRgb(pRas, PREFIX, x, rgb) \

    (rgb) = PREFIX ## Lut[pRas[x]]

#define LoadByteIndexedTo1IntArgb(pRas, PREFIX, x, argb) \

    (argb) = PREFIX ## Lut[pRas[x]]

#define LoadByteIndexedTo3ByteRgb(pRas, PREFIX, x, r, g, b) \

    do { \

        jint rgb = PREFIX ## Lut[pRas[x]]; \

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

    } while (0)

#define LoadByteIndexedTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    do { \

        jint argb = PREFIX ## Lut[pRas[x]]; \

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

    } while (0)

#define ByteClamp1Component(X)  \

    do { if (((X) >> 8) != 0) {X = (~(X >> 31)) & 255; } } while (0)

#define ByteClamp3Components(R, G, B) \

    do { \

        if (((R|G|B) >> 8) != 0) { \

            ByteClamp1Component(R); \

            ByteClamp1Component(G); \

            ByteClamp1Component(B); \

        } \

    } while (0)

#define StoreByteIndexedFrom1IntRgb(pRas, PREFIX, x, rgb) \

    do { \

        int r, g, b; \

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

        StoreByteIndexedFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \

    } while (0)

#define StoreByteIndexedFrom1IntArgb(pRas, PREFIX, x, argb) \

    StoreByteIndexedFrom1IntRgb(pRas, PREFIX, x, argb)

#define StoreByteIndexedFrom3ByteRgb(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 StoreByteIndexedFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    StoreByteIndexedFrom3ByteRgb(pRas, PREFIX, x, r, g, b)

#define CopyByteIndexedToIntArgbPre(pRGB, i, PREFIX, pRow, x) \

    do { \

        jint argb = PREFIX ## Lut[pRow[x]]; \

        jint a = URShift(argb, 24); \

        if (a == 0) { \

            argb = 0; \

        } else if (a < 0xff) { \

            jint r = (argb >> 16) & 0xff; \

            jint g = (argb >>  8) & 0xff; \

            jint b = (argb      ) & 0xff; \

            r = MUL8(a, r); \

            g = MUL8(a, g); \

            b = MUL8(a, b); \

            argb = ComposeIntDcmComponents1234(a, r, g, b); \

        } \

        (pRGB)[i] = argb; \

    } while (0)

#define DeclareByteIndexedAlphaLoadData(PREFIX) \

    jint *PREFIX ## Lut; \

    jint PREFIX ## rgb;

#define InitByteIndexedAlphaLoadData(PREFIX, pRasInfo) \

    PREFIX ## Lut = (pRasInfo)->lutBase

#define LoadAlphaFromByteIndexedFor4ByteArgb(pRas, PREFIX, COMP_PREFIX) \

    do { \

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

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

    } while (0)

#define Postload4ByteArgbFromByteIndexed(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 ByteIndexedIsPremultiplied      0

#define StoreByteIndexedFrom4ByteArgbComps(pRas, PREFIX, x, COMP_PREFIX) \

    StoreByteIndexedFrom4ByteArgb(pRas, PREFIX, x, \

                                  COMP_PREFIX ## A, COMP_PREFIX ## R, \

                                  COMP_PREFIX ## G, COMP_PREFIX ## B)

#endif /* ByteIndexed_h_Included */