1 /*
   2  * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #ifndef FourByteAbgr_h_Included
  27 #define FourByteAbgr_h_Included
  28 
  29 /*
  30  * This file contains macro and type definitions used by the macros in
  31  * LoopMacros.h to manipulate a surface of type "FourByteAbgr".
  32  */
  33 
  34 typedef jint    FourByteAbgrPixelType;
  35 typedef jubyte  FourByteAbgrDataType;
  36 
  37 #define FourByteAbgrIsOpaque 0
  38 
  39 #define FourByteAbgrPixelStride         4
  40 
  41 #define DeclareFourByteAbgrLoadVars(PREFIX)
  42 #define DeclareFourByteAbgrStoreVars(PREFIX)
  43 #define SetFourByteAbgrStoreVarsYPos(PREFIX, pRasInfo, y)
  44 #define SetFourByteAbgrStoreVarsXPos(PREFIX, pRasInfo, x)
  45 #define InitFourByteAbgrLoadVars(PREFIX, pRasInfo)
  46 #define InitFourByteAbgrStoreVarsY(PREFIX, pRasInfo)
  47 #define InitFourByteAbgrStoreVarsX(PREFIX, pRasInfo)
  48 #define NextFourByteAbgrStoreVarsX(PREFIX)
  49 #define NextFourByteAbgrStoreVarsY(PREFIX)
  50 
  51 
  52 #define FourByteAbgrPixelFromArgb(pixel, rgb, pRasInfo) \
  53     (pixel) = (((rgb) << 8) | (((juint) (rgb)) >> 24))
  54 
  55 #define StoreFourByteAbgrPixel(pRas, x, pixel) \
  56     do { \
  57         (pRas)[4*(x)+0] = (jubyte) ((pixel) >> 0); \
  58         (pRas)[4*(x)+1] = (jubyte) ((pixel) >> 8); \
  59         (pRas)[4*(x)+2] = (jubyte) ((pixel) >> 16); \
  60         (pRas)[4*(x)+3] = (jubyte) ((pixel) >> 24); \
  61     } while (0)
  62 
  63 #define DeclareFourByteAbgrPixelData(PREFIX) \
  64     jubyte PREFIX ## 0, PREFIX ## 1, PREFIX ## 2, PREFIX ## 3;
  65 
  66 #define ExtractFourByteAbgrPixelData(PIXEL, PREFIX) \
  67     do { \
  68         PREFIX ## 0 = (jubyte) (PIXEL >> 0); \
  69         PREFIX ## 1 = (jubyte) (PIXEL >> 8); \
  70         PREFIX ## 2 = (jubyte) (PIXEL >> 16); \
  71         PREFIX ## 3 = (jubyte) (PIXEL >> 24); \
  72     } while (0)
  73 
  74 #define StoreFourByteAbgrPixelData(pPix, x, pixel, PREFIX) \
  75     do { \
  76         pPix[4*x+0] = PREFIX ## 0; \
  77         pPix[4*x+1] = PREFIX ## 1; \
  78         pPix[4*x+2] = PREFIX ## 2; \
  79         pPix[4*x+3] = PREFIX ## 3; \
  80     } while (0)
  81 
  82 
  83 #define LoadFourByteAbgrTo1IntRgb(pRas, PREFIX, x, rgb) \
  84     (rgb) = (((pRas)[4*(x)+1] << 0) | \
  85              ((pRas)[4*(x)+2] << 8) | \
  86              ((pRas)[4*(x)+3] << 16))
  87 
  88 #define LoadFourByteAbgrTo1IntArgb(pRas, PREFIX, x, argb) \
  89     (argb) = (((pRas)[4*(x)+0] << 24) | \
  90               ((pRas)[4*(x)+1] << 0) | \
  91               ((pRas)[4*(x)+2] << 8) | \
  92               ((pRas)[4*(x)+3] << 16))
  93 
  94 #define LoadFourByteAbgrTo3ByteRgb(pRas, PREFIX, x, r, g, b) \
  95     do { \
  96         (b) = (pRas)[4*(x)+1]; \
  97         (g) = (pRas)[4*(x)+2]; \
  98         (r) = (pRas)[4*(x)+3]; \
  99     } while (0)
 100 
 101 #define LoadFourByteAbgrTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
 102     do { \
 103         (a) = (pRas)[4*(x)+0]; \
 104         LoadFourByteAbgrTo3ByteRgb(pRas, PREFIX, x, r, g, b); \
 105     } while (0)
 106 
 107 #define StoreFourByteAbgrFrom1IntRgb(pRas, PREFIX, x, rgb) \
 108     do { \
 109         (pRas)[4*(x)+0] = (jubyte) 0xff; \
 110         (pRas)[4*(x)+1] = (jubyte) ((rgb) >> 0); \
 111         (pRas)[4*(x)+2] = (jubyte) ((rgb) >> 8); \
 112         (pRas)[4*(x)+3] = (jubyte) ((rgb) >> 16); \
 113     } while (0)
 114 
 115 #define StoreFourByteAbgrFrom1IntArgb(pRas, PREFIX, x, argb) \
 116     do { \
 117         (pRas)[4*(x)+0] = (jubyte) ((argb) >> 24); \
 118         (pRas)[4*(x)+1] = (jubyte) ((argb) >> 0); \
 119         (pRas)[4*(x)+2] = (jubyte) ((argb) >> 8); \
 120         (pRas)[4*(x)+3] = (jubyte) ((argb) >> 16); \
 121     } while (0)
 122 
 123 #define StoreFourByteAbgrFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \
 124     StoreFourByteAbgrFrom4ByteArgb(pRas, PREFIX, x, 0xff, r, g, b)
 125 
 126 #define StoreFourByteAbgrFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \
 127     do { \
 128         (pRas)[4*(x)+0] = (jubyte) (a); \
 129         (pRas)[4*(x)+1] = (jubyte) (b); \
 130         (pRas)[4*(x)+2] = (jubyte) (g); \
 131         (pRas)[4*(x)+3] = (jubyte) (r); \
 132     } while (0)
 133 
 134 #define CopyFourByteAbgrToIntArgbPre(pRGB, i, PREFIX, pRow, x) \
 135     do { \
 136         jint a = (pRow)[4*(x)+0]; \
 137         if (a != 0) { \
 138             jint b = (pRow)[4*(x)+1]; \
 139             jint g = (pRow)[4*(x)+2]; \
 140             jint r = (pRow)[4*(x)+3]; \
 141             if (a < 0xff) { \
 142                 b = MUL8(a, b); \
 143                 g = MUL8(a, g); \
 144                 r = MUL8(a, r); \
 145             } \
 146             a = ComposeIntDcmComponents1234(a, r, g, b); \
 147         } \
 148         (pRGB)[i] = a; \
 149     } while (0)
 150 
 151 
 152 #define DeclareFourByteAbgrAlphaLoadData(PREFIX)
 153 #define InitFourByteAbgrAlphaLoadData(PREFIX, pRasInfo)
 154 
 155 #define LoadAlphaFromFourByteAbgrFor4ByteArgb(pRas, PREFIX, COMP_PREFIX) \
 156     COMP_PREFIX ## A = (pRas)[0]
 157 
 158 #define Postload4ByteArgbFromFourByteAbgr(pRas, PREFIX, COMP_PREFIX) \
 159     LoadFourByteAbgrTo3ByteRgb(pRas, PREFIX, 0, COMP_PREFIX ## R, \
 160                                COMP_PREFIX ## G, COMP_PREFIX ## B)
 161 
 162 
 163 #define FourByteAbgrIsPremultiplied     0
 164 
 165 #define DeclareFourByteAbgrBlendFillVars(PREFIX) \
 166     jubyte PREFIX ## 0, PREFIX ## 1, PREFIX ## 2, PREFIX ## 3;
 167 
 168 #define ClearFourByteAbgrBlendFillVars(PREFIX, argb) \
 169     (PREFIX ## 0 = PREFIX ## 1 = PREFIX ## 2 = PREFIX ## 3 = 0)
 170 
 171 #define InitFourByteAbgrBlendFillVarsNonPre(PREFIX, argb, COMP_PREFIX) \
 172     do { \
 173         PREFIX ## 0 = (jubyte) COMP_PREFIX ## A; \
 174         PREFIX ## 1 = (jubyte) COMP_PREFIX ## B; \
 175         PREFIX ## 2 = (jubyte) COMP_PREFIX ## G; \
 176         PREFIX ## 3 = (jubyte) COMP_PREFIX ## R; \
 177     } while (0)
 178 
 179 #define InitFourByteAbgrBlendFillVarsPre(PREFIX, argb, COMP_PREFIX)
 180 
 181 #define StoreFourByteAbgrBlendFill(pRas, PREFIX, x, argb, COMP_PREFIX) \
 182     do { \
 183         (pRas)[4*x+0] = PREFIX ## 0; \
 184         (pRas)[4*x+1] = PREFIX ## 1; \
 185         (pRas)[4*x+2] = PREFIX ## 2; \
 186         (pRas)[4*x+3] = PREFIX ## 3; \
 187     } while (0)
 188 
 189 #define StoreFourByteAbgrFrom4ByteArgbComps(pRas, PREFIX, x, COMP_PREFIX) \
 190     StoreFourByteAbgrFrom4ByteArgb(pRas, PREFIX, x, \
 191                                    COMP_PREFIX ## A, COMP_PREFIX ## R, \
 192                                    COMP_PREFIX ## G, COMP_PREFIX ## B)
 193 
 194 /*
 195  * SrcOver ## TYPE ## BlendFactor
 196  * Returns appropriate blend value for use in blending calculations.
 197  */
 198 #define SrcOverFourByteAbgrBlendFactor(dF, dA) \
 199     (dA)
 200 
 201 #endif /* FourByteAbgr_h_Included */