| /* |
| * Copyright 2001-2004 Sun Microsystems, Inc. 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. 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 Index8Gray_h_Included |
| #define Index8Gray_h_Included |
| |
| #include "IntDcm.h" |
| #include "ByteGray.h" |
| |
| /* |
| * This file contains macro and type definitions used by the macros in |
| * LoopMacros.h to manipulate a surface of type "Index8Gray". |
| */ |
| |
| typedef jubyte Index8GrayPixelType; |
| typedef jubyte Index8GrayDataType; |
| |
| #define Index8GrayPixelStride 1 |
| #define Index8GrayBitsPerPixel 8 |
| |
| #define DeclareIndex8GrayLoadVars(PREFIX) \ |
| jint *PREFIX ## Lut; |
| |
| #define DeclareIndex8GrayStoreVars(PREFIX) \ |
| jint *PREFIX ## InvGrayLut; |
| |
| #define SetIndex8GrayStoreVarsYPos(PREFIX, pRasInfo, LOC) |
| #define SetIndex8GrayStoreVarsXPos(PREFIX, pRasInfo, LOC) |
| #define InitIndex8GrayLoadVars(PREFIX, pRasInfo) \ |
| PREFIX ## Lut = (pRasInfo)->lutBase |
| |
| #define InitIndex8GrayStoreVarsY(PREFIX, pRasInfo) \ |
| PREFIX ## InvGrayLut = (pRasInfo)->invGrayTable; |
| |
| #define InitIndex8GrayStoreVarsX(PREFIX, pRasInfo) |
| #define NextIndex8GrayStoreVarsX(PREFIX) |
| #define NextIndex8GrayStoreVarsY(PREFIX) |
| |
| #define Index8GrayXparLutEntry -1 |
| #define Index8GrayIsXparLutEntry(pix) (pix < 0) |
| #define StoreIndex8GrayNonXparFromArgb StoreIndex8GrayFrom1IntArgb |
| |
| #define StoreIndex8GrayPixel(pRas, x, pixel) \ |
| ((pRas)[x] = (jubyte) (pixel)) |
| |
| #define DeclareIndex8GrayPixelData(PREFIX) |
| |
| #define ExtractIndex8GrayPixelData(PIXEL, PREFIX) |
| |
| #define StoreIndex8GrayPixelData(pPix, x, pixel, PREFIX) \ |
| ((pPix)[x] = (jubyte)(pixel)) |
| |
| #define Index8GrayPixelFromArgb(pixel, rgb, pRasInfo) \ |
| do { \ |
| jint r, g, b, gray; \ |
| ExtractIntDcmComponentsX123(rgb, r, g, b); \ |
| gray = ComposeByteGrayFrom3ByteRgb(r, g, b); \ |
| (pixel) = (pRasInfo)->invGrayTable[gray]; \ |
| } while (0) |
| |
| #define LoadIndex8GrayTo1IntRgb(pRas, PREFIX, x, rgb) \ |
| (rgb) = PREFIX ## Lut[pRas[x]] |
| |
| #define LoadIndex8GrayTo1IntArgb(pRas, PREFIX, x, argb) \ |
| (argb) = PREFIX ## Lut[pRas[x]] |
| |
| #define LoadIndex8GrayTo1ByteGray(pRas, PREFIX, x, gray) \ |
| (gray) = (jubyte)PREFIX ## Lut[pRas[x]] |
| |
| #define LoadIndex8GrayTo3ByteRgb(pRas, PREFIX, x, r, g, b) \ |
| r = g = b = (jubyte)PREFIX ## Lut[pRas[x]] |
| |
| #define LoadIndex8GrayTo4ByteArgb(pRas, PREFIX, x, a, r, g, b) \ |
| do { \ |
| a = 0xff; \ |
| LoadIndex8GrayTo3ByteRgb(pRas, PREFIX, x, r, g, b); \ |
| } while (0) |
| |
| #define StoreIndex8GrayFrom1IntRgb(pRas, PREFIX, x, rgb) \ |
| do { \ |
| int r, g, b; \ |
| ExtractIntDcmComponentsX123(rgb, r, g, b); \ |
| StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b); \ |
| } while (0) |
| |
| #define StoreIndex8GrayFrom1IntArgb(pRas, PREFIX, x, argb) \ |
| StoreIndex8GrayFrom1IntRgb(pRas, PREFIX, x, argb) |
| |
| #define StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) \ |
| do { \ |
| int gray = ComposeByteGrayFrom3ByteRgb(r, g, b); \ |
| (pRas)[x] = (jubyte) (PREFIX ## InvGrayLut[gray]); \ |
| } while (0) |
| |
| #define StoreIndex8GrayFrom4ByteArgb(pRas, PREFIX, x, a, r, g, b) \ |
| StoreIndex8GrayFrom3ByteRgb(pRas, PREFIX, x, r, g, b) |
| |
| #define StoreIndex8GrayFrom1ByteGray(pRas, PREFIX, x, gray) \ |
| (pRas)[x] = (jubyte) (PREFIX ## InvGrayLut[gray]); |
| |
| #define CopyIndex8GrayToIntArgbPre(pRGB, i, PREFIX, pRow, x) \ |
| (pRGB)[i] = PREFIX ## Lut[pRow[x]] |
| |
| |
| #define DeclareIndex8GrayAlphaLoadData(PREFIX) \ |
| jint *PREFIX ## Lut; |
| |
| #define InitIndex8GrayAlphaLoadData(PREFIX, pRasInfo) \ |
| PREFIX ## Lut = (pRasInfo)->lutBase |
| |
| #define LoadAlphaFromIndex8GrayFor1ByteGray(pRas, PREFIX, COMP_PREFIX) \ |
| COMP_PREFIX ## A = 0xff |
| |
| #define Postload1ByteGrayFromIndex8Gray(pRas, PREFIX, COMP_PREFIX) \ |
| COMP_PREFIX ## G = (jubyte)PREFIX ## Lut[(pRas)[0]] |
| |
| #define StoreIndex8GrayFrom1ByteGrayComps(pRas, PREFIX, x, COMP_PREFIX) \ |
| StoreIndex8GrayFrom1ByteGray(pRas, PREFIX, x, COMP_PREFIX ## G) |
| |
| #define Index8GrayIsPremultiplied 0 |
| |
| #endif /* Index8Gray_h_Included */ |