/*

 * 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.  Sun designates this

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

 * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 */

#ifndef IntArgbPre_h_Included

#define IntArgbPre_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 "IntArgbPre".

 */

typedef jint    IntArgbPrePixelType;

typedef jint    IntArgbPreDataType;

#define IntArgbPreIsOpaque 0

#define IntArgbPrePixelStride   4

#define DeclareIntArgbPreLoadVars(PREFIX)

#define DeclareIntArgbPreStoreVars(PREFIX)

#define InitIntArgbPreLoadVars(PREFIX, pRasInfo)

#define SetIntArgbPreStoreVarsYPos(PREFIX, pRasInfo, y)

#define SetIntArgbPreStoreVarsXPos(PREFIX, pRasInfo, x)

#define InitIntArgbPreStoreVarsY(PREFIX, pRasInfo)

#define InitIntArgbPreStoreVarsX(PREFIX, pRasInfo)

#define NextIntArgbPreStoreVarsX(PREFIX)

#define NextIntArgbPreStoreVarsY(PREFIX)

#define IntArgbPrePixelFromArgb(pixel, rgb, pRasInfo) \

    do { \

        if ((((rgb) >> 24) + 1) == 0) { \

            (pixel) = (rgb); \

        } else { \

            jint a, r, g, b; \

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

            r = MUL8(a, r); \

            g = MUL8(a, g); \

            b = MUL8(a, b); \

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

        } \

    } while (0)

#define StoreIntArgbPrePixel(pRas, x, pixel) \

    (pRas)[x] = (pixel)

#define DeclareIntArgbPrePixelData(PREFIX)

#define ExtractIntArgbPrePixelData(PIXEL, PREFIX)

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

    (pPix)[x] = (pixel)

/*

 * REMIND: we delegate to the ...To1IntArgb macro here, although it does

 *         slightly more work (may pack the alpha value into the RGB result)

 */

#define LoadIntArgbPreTo1IntRgb(pRas, PREFIX, x, rgb) \

    LoadIntArgbPreTo1IntArgb(pRas, PREFIX, x, rgb)

#define LoadIntArgbPreTo1IntArgb(pRas, PREFIX, x, argb) \

    do { \

        jint pixel = (pRas)[x]; \

        jint a = ((juint) pixel) >> 24; \

        if ((a == 0xff) || (a == 0)) { \

            (argb) = pixel; \

        } else { \

            jint r, g, b; \

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

            r = DIV8(r, a); \

            g = DIV8(g, a); \

            b = DIV8(b, a); \

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

        } \

    } while (0)

#define LoadIntArgbPreTo3ByteRgb(pRas, PREFIX, x, r, g, b) \

    do { \

        jint a; \

        LoadIntArgbPreTo4ByteArgb(pRas, PREFIX, x, a, r, g, b); \

    } while (0)

#define LoadIntArgbPreTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    do { \

        jint pixel = (pRas)[x]; \

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

        if (((a) != 0xff) && ((a) != 0)) { \

            (r) = DIV8(r, a); \

            (g) = DIV8(g, a); \

            (b) = DIV8(b, a); \

        } \

    } while (0)

#define StoreIntArgbPreFrom1IntRgb(pRas, PREFIX, x, rgb) \

    (pRas)[x] = 0xff000000 | (rgb)

#define StoreIntArgbPreFrom1IntArgb(pRas, PREFIX, x, argb) \

    do { \

        if ((((argb) >> 24) + 1) == 0) { \

            (pRas)[x] = (argb); \

        } else { \

            jint a, r, g, b; \

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

            r = MUL8(a, r); \

            g = MUL8(a, g); \

            b = MUL8(a, b); \

            (pRas)[x] = ComposeIntDcmComponents1234(a, r, g, b); \

        } \

    } while (0)

#define StoreIntArgbPreFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \

    (pRas)[x] = ComposeIntDcmComponents1234(0xff, r, g, b)

#define StoreIntArgbPreFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \

    do { \

        if ((a) != 0xff) { \

            (r) = MUL8(a, r); \

            (g) = MUL8(a, g); \

            (b) = MUL8(a, b); \

        } \

        (pRas)[x] = ComposeIntDcmComponents1234(a, r, g, b); \

    } while (0)

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

    (pRGB)[i] = (pRow)[x]

#define DeclareIntArgbPreAlphaLoadData(PREFIX) \

    jint PREFIX;

#define InitIntArgbPreAlphaLoadData(PREFIX, pRasInfo)

#define LoadAlphaFromIntArgbPreFor4ByteArgb(pRas, PREFIX, COMP_PREFIX) \

    do { \

        PREFIX = (pRas)[0]; \

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

    } while (0)

#define LoadAlphaFromIntArgbPreFor1ByteGray(pRas, PREFIX, COMP_PREFIX) \

    LoadAlphaFromIntArgbPreFor4ByteArgb(pRas, PREFIX, COMP_PREFIX)

#define LoadAlphaFromIntArgbPreFor1ShortGray(pRas, PREFIX, COMP_PREFIX) \

    do { \

        LoadAlphaFromIntArgbFor4ByteArgb(pRas, PREFIX, COMP_PREFIX); \

        COMP_PREFIX ## A = (COMP_PREFIX ## A << 8) + COMP_PREFIX ## A; \

    } while (0)

#define Postload4ByteArgbFromIntArgbPre(pRas, PREFIX, COMP_PREFIX) \

    do { \

        ExtractIntDcmComponentsX123(PREFIX, COMP_PREFIX ## R, \

                                    COMP_PREFIX ## G, COMP_PREFIX ## B); \

    } while (0)

#define Postload1ByteGrayFromIntArgbPre(pRas, PREFIX, COMP_PREFIX) \

    do { \

        int r, g, b; \

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

        COMP_PREFIX ## G = ComposeByteGrayFrom3ByteRgb(r, g, b); \

    } while (0)

#define Postload1ShortGrayFromIntArgbPre(pRas, PREFIX, COMP_PREFIX) \

    do { \

        int r, g, b; \

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

        COMP_PREFIX ## G = ComposeUshortGrayFrom3ByteRgb(r, g, b); \

    } while (0)

#define IntArgbPreIsPremultiplied       1

#define DeclareIntArgbPreBlendFillVars(PREFIX)

#define ClearIntArgbPreBlendFillVars(PREFIX, argb) \

    argb = 0

#define InitIntArgbPreBlendFillVarsNonPre(PREFIX, argb, COMP_PREFIX)

#define InitIntArgbPreBlendFillVarsPre(PREFIX, argb, COMP_PREFIX) \

    argb = ComposeIntDcmComponents1234(COMP_PREFIX ## A, \

                                       COMP_PREFIX ## R, \

                                       COMP_PREFIX ## G, \

                                       COMP_PREFIX ## B)

#define StoreIntArgbPreBlendFill(pRas, PREFIX, x, argb, COMP_PREFIX) \

    (pRas)[x] = (argb)

#define StoreIntArgbPreFrom4ByteArgbComps(pRas, PREFIX, x, COMP_PREFIX) \

    (pRas)[x] = ComposeIntDcmComponents1234(COMP_PREFIX ## A, \

                                            COMP_PREFIX ## R, \

                                            COMP_PREFIX ## G, \

                                            COMP_PREFIX ## B)

#endif /* IntArgbPre_h_Included */