/*
 * Copyright (c) 2004, 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.
 */

#include <string.h>

#include "AnyByte.h"
#include "UshortIndexed.h"
#include "AlphaMacros.h"

#include "IntArgb.h"
#include "IntArgbBm.h"
#include "IntArgbPre.h"
#include "IntRgb.h"
#include "ThreeByteBgr.h"
#include "ByteGray.h"
#include "Index12Gray.h"

/*
 * This file declares, registers, and defines the various graphics
 * primitive loops to manipulate surfaces of type "UshortIndexed".
 *
 * See also LoopMacros.h
 */

RegisterFunc RegisterUshortIndexed;

DECLARE_CONVERT_BLIT(IntArgb, UshortIndexed);
DECLARE_CONVERT_BLIT(ThreeByteBgr, UshortIndexed);
DECLARE_CONVERT_BLIT(ByteGray, UshortIndexed);
DECLARE_CONVERT_BLIT(UshortIndexed, UshortIndexed);
DECLARE_CONVERT_BLIT(Index12Gray, UshortIndexed);
DECLARE_CONVERT_BLIT(UshortIndexed, IntArgb);
DECLARE_SCALE_BLIT(IntArgb, UshortIndexed);
DECLARE_SCALE_BLIT(ThreeByteBgr, UshortIndexed);
DECLARE_SCALE_BLIT(ByteGray, UshortIndexed);
DECLARE_SCALE_BLIT(Index12Gray, UshortIndexed);
DECLARE_SCALE_BLIT(UshortIndexed, UshortIndexed);
DECLARE_SCALE_BLIT(UshortIndexed, IntArgb);
DECLARE_XPAR_CONVERT_BLIT(ByteIndexedBm, UshortIndexed);
DECLARE_XPAR_SCALE_BLIT(ByteIndexedBm, UshortIndexed);
DECLARE_XPAR_SCALE_BLIT(IntArgbBm, UshortIndexed);
DECLARE_XPAR_BLITBG(ByteIndexedBm, UshortIndexed);
DECLARE_XPAR_CONVERT_BLIT(IntArgbBm, UshortIndexed);
DECLARE_XPAR_BLITBG(IntArgbBm, UshortIndexed);

DECLARE_XOR_BLIT(IntArgb, UshortIndexed);
DECLARE_ALPHA_MASKFILL(UshortIndexed);
DECLARE_ALPHA_MASKBLIT(IntArgb, UshortIndexed);
DECLARE_ALPHA_MASKBLIT(IntArgbPre, UshortIndexed);
DECLARE_ALPHA_MASKBLIT(IntRgb, UshortIndexed);
DECLARE_SOLID_DRAWGLYPHLISTAA(UshortIndexed);

NativePrimitive UshortIndexedPrimitives[] = {
    REGISTER_CONVERT_BLIT(IntArgb, UshortIndexed),
    REGISTER_CONVERT_BLIT_EQUIV(IntRgb, UshortIndexed,
                                NAME_CONVERT_BLIT(IntArgb, UshortIndexed)),
    REGISTER_CONVERT_BLIT_EQUIV(IntArgbBm, UshortIndexed,
                                NAME_CONVERT_BLIT(IntArgb, UshortIndexed)),
    REGISTER_CONVERT_BLIT(ThreeByteBgr, UshortIndexed),
    REGISTER_CONVERT_BLIT(ByteGray, UshortIndexed),
    REGISTER_CONVERT_BLIT(Index12Gray, UshortIndexed),
    REGISTER_CONVERT_BLIT_FLAGS(UshortIndexed, UshortIndexed, 0, SD_LOCK_LUT),
    REGISTER_CONVERT_BLIT(UshortIndexed, IntArgb),
    REGISTER_CONVERT_BLIT_EQUIV(UshortIndexed, IntRgb,
                                NAME_CONVERT_BLIT(UshortIndexed, IntArgb)),
    REGISTER_SCALE_BLIT(IntArgb, UshortIndexed),
    REGISTER_SCALE_BLIT_EQUIV(IntRgb, UshortIndexed,
                              NAME_SCALE_BLIT(IntArgb, UshortIndexed)),
    REGISTER_SCALE_BLIT_EQUIV(IntArgbBm, UshortIndexed,
                              NAME_SCALE_BLIT(IntArgb, UshortIndexed)),
    REGISTER_SCALE_BLIT(ThreeByteBgr, UshortIndexed),
    REGISTER_SCALE_BLIT(ByteGray, UshortIndexed),
    REGISTER_SCALE_BLIT(Index12Gray, UshortIndexed),
    REGISTER_SCALE_BLIT_FLAGS(UshortIndexed, UshortIndexed, 0, SD_LOCK_LUT),
    REGISTER_SCALE_BLIT(UshortIndexed, IntArgb),
    REGISTER_SCALE_BLIT_EQUIV(UshortIndexed, IntRgb,
                              NAME_SCALE_BLIT(UshortIndexed, IntArgb)),
    REGISTER_XPAR_CONVERT_BLIT(ByteIndexedBm, UshortIndexed),
    REGISTER_XPAR_SCALE_BLIT(ByteIndexedBm, UshortIndexed),
    REGISTER_XPAR_SCALE_BLIT(IntArgbBm, UshortIndexed),
    REGISTER_XPAR_BLITBG(ByteIndexedBm, UshortIndexed),
    REGISTER_XPAR_CONVERT_BLIT(IntArgbBm, UshortIndexed),
    REGISTER_XPAR_BLITBG(IntArgbBm, UshortIndexed),

    REGISTER_XOR_BLIT(IntArgb, UshortIndexed),
    REGISTER_ALPHA_MASKFILL(UshortIndexed),
    REGISTER_ALPHA_MASKBLIT(IntArgb, UshortIndexed),
    REGISTER_ALPHA_MASKBLIT(IntArgbPre, UshortIndexed),
    REGISTER_ALPHA_MASKBLIT(IntRgb, UshortIndexed),
    REGISTER_SOLID_DRAWGLYPHLISTAA(UshortIndexed),
};

extern jint PixelForByteIndexed(SurfaceDataRasInfo *pRasInfo, jint rgb);
extern jboolean checkSameLut(jint *SrcReadLut, jint *DstReadLut,
                             SurfaceDataRasInfo *pSrcInfo,
                             SurfaceDataRasInfo *pDstInfo);

jboolean RegisterUshortIndexed(JNIEnv *env)
{
    return RegisterPrimitives(env, UshortIndexedPrimitives,
                              ArraySize(UshortIndexedPrimitives));
}

jint PixelForUshortIndexed(SurfaceDataRasInfo *pRasInfo, jint rgb)
{
    return PixelForByteIndexed(pRasInfo, rgb);
}


DEFINE_CONVERT_BLIT(IntArgb, UshortIndexed, 3ByteRgb)

DEFINE_CONVERT_BLIT(ThreeByteBgr, UshortIndexed, 3ByteRgb)

DEFINE_CONVERT_BLIT(ByteGray, UshortIndexed, 3ByteRgb)

DEFINE_CONVERT_BLIT(Index12Gray, UshortIndexed, 3ByteRgb)

DEFINE_CONVERT_BLIT_LUT(UshortIndexed, IntArgb, ConvertOnTheFly)

DEFINE_SCALE_BLIT_LUT(UshortIndexed, IntArgb, ConvertOnTheFly)

void NAME_CONVERT_BLIT(UshortIndexed, UshortIndexed)
    (void *srcBase, void *dstBase,
     juint width, juint height,
     SurfaceDataRasInfo *pSrcInfo,
     SurfaceDataRasInfo *pDstInfo,
     NativePrimitive *pPrim,
     CompositeInfo *pCompInfo)
{
    DeclareUshortIndexedLoadVars(SrcRead)
    DeclareUshortIndexedLoadVars(DstRead)
    jint srcScan = pSrcInfo->scanStride;
    jint dstScan = pDstInfo->scanStride;
    jint bytesToCopy = width * pDstInfo->pixelStride;

    InitUshortIndexedLoadVars(SrcRead, pSrcInfo);
    InitUshortIndexedLoadVars(DstRead, pDstInfo);

    if (checkSameLut(SrcReadLut, DstReadLut, pSrcInfo, pDstInfo)) {
        do {
            memcpy(dstBase, srcBase, bytesToCopy);
            srcBase = PtrAddBytes(srcBase, srcScan);
            dstBase = PtrAddBytes(dstBase, dstScan);
        } while (--height > 0);
    } else {
        DeclareUshortIndexedStoreVars(DstWrite);

        BlitLoopWidthHeight(UshortIndexed, pSrc, srcBase, pSrcInfo,
                            UshortIndexed, pDst, dstBase, pDstInfo, DstWrite,
                            width, height,
                            ConvertVia3ByteRgb
                                (pSrc, UshortIndexed, SrcRead,
                                 pDst, UshortIndexed, DstWrite, 0, 0));
    }
}

DEFINE_SCALE_BLIT(IntArgb, UshortIndexed, 3ByteRgb)

DEFINE_SCALE_BLIT(ThreeByteBgr, UshortIndexed, 3ByteRgb)

DEFINE_SCALE_BLIT(ByteGray, UshortIndexed, 3ByteRgb)

DEFINE_SCALE_BLIT(Index12Gray, UshortIndexed, 3ByteRgb)

void NAME_SCALE_BLIT(UshortIndexed, UshortIndexed)
    (void *srcBase, void *dstBase,
     juint width, juint height,
     jint sxloc, jint syloc,
     jint sxinc, jint syinc, jint shift,
     SurfaceDataRasInfo *pSrcInfo,
     SurfaceDataRasInfo *pDstInfo,
     NativePrimitive *pPrim,
     CompositeInfo *pCompInfo)
{
    DeclareUshortIndexedLoadVars(SrcRead)
    DeclareUshortIndexedLoadVars(DstRead)
    jint srcScan = pSrcInfo->scanStride;
    jint dstScan = pDstInfo->scanStride;
    DeclareUshortIndexedStoreVars(DstWrite)

    InitUshortIndexedLoadVars(SrcRead, pSrcInfo);
    InitUshortIndexedLoadVars(DstRead, pDstInfo);

    if (checkSameLut(SrcReadLut, DstReadLut, pSrcInfo, pDstInfo)) {
        BlitLoopScaleWidthHeight(UshortIndexed, pSrc, srcBase, pSrcInfo,
                                 UshortIndexed, pDst, dstBase, pDstInfo, DstWrite,
                                 x, width, height,
                                 sxloc, syloc, sxinc, syinc, shift,
                                 pDst[0] = pSrc[x]);
    } else {
        BlitLoopScaleWidthHeight(UshortIndexed, pSrc, srcBase, pSrcInfo,
                                 UshortIndexed, pDst, dstBase, pDstInfo, DstWrite,
                                 x, width, height,
                                 sxloc, syloc, sxinc, syinc, shift,
                                 ConvertVia3ByteRgb(pSrc, UshortIndexed, SrcRead,
                                                    pDst, UshortIndexed, DstWrite,
                                                    x, 0));
    }
}

DEFINE_XPAR_CONVERT_BLIT_LUT(ByteIndexedBm, UshortIndexed, ConvertOnTheFly)

DEFINE_XPAR_SCALE_BLIT_LUT(ByteIndexedBm, UshortIndexed, ConvertOnTheFly)

DEFINE_XPAR_SCALE_BLIT(IntArgbBm, UshortIndexed, 1IntRgb)

DEFINE_XPAR_BLITBG_LUT(ByteIndexedBm, UshortIndexed, ConvertOnTheFly)

DEFINE_XPAR_CONVERT_BLIT(IntArgbBm, UshortIndexed, 1IntRgb)

DEFINE_XPAR_BLITBG(IntArgbBm, UshortIndexed, 1IntRgb)

DEFINE_XOR_BLIT(IntArgb, UshortIndexed, AnyByte)

DEFINE_ALPHA_MASKFILL(UshortIndexed, 4ByteArgb)

DEFINE_ALPHA_MASKBLIT(IntArgb, UshortIndexed, 4ByteArgb)

DEFINE_ALPHA_MASKBLIT(IntArgbPre, UshortIndexed, 4ByteArgb)

DEFINE_ALPHA_MASKBLIT(IntRgb, UshortIndexed, 4ByteArgb)

DEFINE_SOLID_DRAWGLYPHLISTAA(UshortIndexed, 3ByteRgb)