1/* 2 * Copyright (c) 1996, 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/* 27 * This file contains macro definitions for the Storing category of 28 * the macros used by the generic scaleloop function. 29 * 30 * This implementation can store 16-bit pixels into an array of 31 * shorts such that the pixel for (srcX, srcY) is stored at index 32 * (srcOff + srcY * srcScan + srcX) in the array. 33 */ 34 35#define DeclareOutputVars \ 36 pixptr dstP; 37 38#define InitOutput(cvdata, clrdata, dstX, dstY) \ 39 do { \ 40 img_check(clrdata->bitsperpixel == 16); \ 41 img_check((ScanBytes(cvdata) & 1) == 0); \ 42 dstP.vp = cvdata->outbuf; \ 43 dstP.bp += dstY * ScanBytes(cvdata); \ 44 dstP.sp += dstX; \ 45 } while (0) 46 47#define PutPixelInc(pixel, red, green, blue) \ 48 *dstP.sp++ = ((unsigned short) pixel) 49 50#define EndOutputRow(cvdata, dstY, dstX1, dstX2) \ 51 do { \ 52 SendRow(cvdata, dstY, dstX1, dstX2); \ 53 dstP.sp -= (dstX2 - dstX1); \ 54 dstP.bp += ScanBytes(cvdata); \ 55 } while (0) 56 57#define EndOutputRect(cvdata, dstX1, dstY1, dstX2, dstY2) \ 58 SendBuffer(cvdata, dstX1, dstY1, dstX2, dstY2) 59