J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2004 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #ifndef ByteGray_h_Included |
| 27 | #define ByteGray_h_Included |
| 28 | |
| 29 | #include "IntDcm.h" |
| 30 | |
| 31 | /* |
| 32 | * This file contains macro and type definitions used by the macros in |
| 33 | * LoopMacros.h to manipulate a surface of type "ByteGray". |
| 34 | */ |
| 35 | |
| 36 | typedef jubyte ByteGrayPixelType; |
| 37 | typedef jubyte ByteGrayDataType; |
| 38 | |
| 39 | #define ByteGrayPixelStride 1 |
| 40 | #define ByteGrayBitsPerPixel 8 |
| 41 | |
| 42 | #define DeclareByteGrayLoadVars(PREFIX) |
| 43 | #define DeclareByteGrayStoreVars(PREFIX) |
| 44 | #define SetByteGrayStoreVarsYPos(PREFIX, pRasInfo, y) |
| 45 | #define SetByteGrayStoreVarsXPos(PREFIX, pRasInfo, x) |
| 46 | #define InitByteGrayLoadVars(PREFIX, pRasInfo) |
| 47 | #define InitByteGrayStoreVarsY(PREFIX, pRasInfo) |
| 48 | #define InitByteGrayStoreVarsX(PREFIX, pRasInfo) |
| 49 | #define NextByteGrayStoreVarsX(PREFIX) |
| 50 | #define NextByteGrayStoreVarsY(PREFIX) |
| 51 | #define DeclareByteGrayPixelData(PREFIX) |
| 52 | #define ExtractByteGrayPixelData(PIXEL, PREFIX) |
| 53 | |
| 54 | #define ByteGrayXparLutEntry -1 |
| 55 | #define ByteGrayIsXparLutEntry(pix) (pix < 0) |
| 56 | #define StoreByteGrayNonXparFromArgb StoreByteGrayFrom1IntArgb |
| 57 | |
| 58 | |
| 59 | #define ComposeByteGrayFrom3ByteRgb(r, g, b) \ |
| 60 | (ByteGrayDataType)(((77*(r)) + (150*(g)) + (29*(b)) + 128) / 256) |
| 61 | |
| 62 | |
| 63 | #define StoreByteGrayPixel(pRas, x, pixel) \ |
| 64 | ((pRas)[x] = (jubyte) (pixel)) |
| 65 | |
| 66 | #define StoreByteGrayPixelData(pPix, x, pixel, PREFIX) \ |
| 67 | StoreByteGrayPixel(pPix, x, pixel) |
| 68 | |
| 69 | #define ByteGrayPixelFromArgb(pixel, rgb, pRasInfo) \ |
| 70 | do { \ |
| 71 | jint r, g, b; \ |
| 72 | ExtractIntDcmComponentsX123(rgb, r, g, b); \ |
| 73 | (pixel) = ComposeByteGrayFrom3ByteRgb(r, g, b); \ |
| 74 | } while (0) |
| 75 | |
| 76 | |
| 77 | #define LoadByteGrayTo1IntRgb(pRas, PREFIX, x, rgb) \ |
| 78 | do { \ |
| 79 | int gray = (pRas)[x]; \ |
| 80 | (rgb) = (((gray << 8) | gray) << 8) | gray; \ |
| 81 | } while (0) |
| 82 | |
| 83 | #define LoadByteGrayTo1IntArgb(pRas, PREFIX, x, argb) \ |
| 84 | do { \ |
| 85 | int gray = (pRas)[x]; \ |
| 86 | (argb) = (((((0xff << 8) | gray) << 8) | gray) << 8) | gray; \ |
| 87 | } while (0) |
| 88 | |
| 89 | #define LoadByteGrayTo3ByteRgb(pRas, PREFIX, x, r, g, b) \ |
| 90 | ((r) = (g) = (b) = (pRas)[x]) |
| 91 | |
| 92 | #define LoadByteGrayTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \ |
| 93 | do { \ |
| 94 | LoadByteGrayTo3ByteRgb(pRas, PREFIX, x, r, g, b); \ |
| 95 | (a) = 0xff; \ |
| 96 | } while (0) |
| 97 | |
| 98 | #define LoadByteGrayTo1ByteGray(pRas, PREFIX, x, gray) \ |
| 99 | (gray) = (pRas)[x] |
| 100 | |
| 101 | #define StoreByteGrayFrom1IntRgb(pRas, PREFIX, x, rgb) \ |
| 102 | do { \ |
| 103 | int r, g, b; \ |
| 104 | ExtractIntDcmComponentsX123(rgb, r, g, b); \ |
| 105 | StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \ |
| 106 | } while (0) |
| 107 | |
| 108 | #define StoreByteGrayFrom1IntArgb(pRas, PREFIX, x, argb) \ |
| 109 | StoreByteGrayFrom1IntRgb(pRas, PREFIX, x, argb) |
| 110 | |
| 111 | #define StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \ |
| 112 | (pRas)[x] = ComposeByteGrayFrom3ByteRgb(r, g, b) |
| 113 | |
| 114 | #define StoreByteGrayFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \ |
| 115 | StoreByteGrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) |
| 116 | |
| 117 | #define StoreByteGrayFrom1ByteGray(pRas, PREFIX, x, gray) \ |
| 118 | StoreByteGrayPixel(pRas, x, gray) |
| 119 | |
| 120 | #define CopyByteGrayToIntArgbPre(pRGB, i, PREFIX, pRow, x) \ |
| 121 | LoadByteGrayTo1IntArgb(pRow, PREFIX, x, pRGB[i]) |
| 122 | |
| 123 | |
| 124 | #define DeclareByteGrayAlphaLoadData(PREFIX) |
| 125 | #define InitByteGrayAlphaLoadData(PREFIX, pRasInfo) |
| 126 | |
| 127 | #define LoadAlphaFromByteGrayFor1ByteGray(pRas, PREFIX, COMP_PREFIX) \ |
| 128 | COMP_PREFIX ## A = 0xff |
| 129 | |
| 130 | #define Postload1ByteGrayFromByteGray(pRas, PREFIX, COMP_PREFIX) \ |
| 131 | COMP_PREFIX ## G = pRas[0] |
| 132 | |
| 133 | |
| 134 | #define ByteGrayIsPremultiplied 0 |
| 135 | |
| 136 | #define DeclareByteGrayBlendFillVars(PREFIX) \ |
| 137 | jubyte PREFIX; |
| 138 | |
| 139 | #define ClearByteGrayBlendFillVars(PREFIX, argb) \ |
| 140 | PREFIX = 0 |
| 141 | |
| 142 | #define InitByteGrayBlendFillVarsNonPre(PREFIX, argb, COMP_PREFIX) \ |
| 143 | PREFIX = (jubyte) COMP_PREFIX ## G |
| 144 | |
| 145 | #define InitByteGrayBlendFillVarsPre(PREFIX, argb, COMP_PREFIX) |
| 146 | |
| 147 | #define StoreByteGrayBlendFill(pRas, PREFIX, x, argb, COMP_PREFIX) \ |
| 148 | (pRas)[x] = PREFIX |
| 149 | |
| 150 | #define StoreByteGrayFrom1ByteGrayComps(pRas, PREFIX, x, COMP_PREFIX) \ |
| 151 | StoreByteGrayPixel(pRas, x, COMP_PREFIX ## G) |
| 152 | |
| 153 | #endif /* ByteGray_h_Included */ |