1 /****************************************************************************** 2 * $Id$ 3 * 4 * Project: MapServer 5 * Purpose: Declarations related to copyng mapObjs. Provided by Mladen Turk 6 * for resolution of bug 701 7 * http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=701. 8 * Author: Mladen Turk (and Sean Gilles?) 9 * 10 ****************************************************************************** 11 * Copyright (c) 1996-2005 Regents of the University of Minnesota. 12 * 13 * Permission is hereby granted, free of charge, to any person obtaining a 14 * copy of this software and associated documentation files (the "Software"), 15 * to deal in the Software without restriction, including without limitation 16 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 17 * and/or sell copies of the Software, and to permit persons to whom the 18 * Software is furnished to do so, subject to the following conditions: 19 * 20 * The above copyright notice and this permission notice shall be included in 21 * all copies of this Software or works derived from this Software. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 24 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 26 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 28 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 29 * DEALINGS IN THE SOFTWARE. 30 ****************************************************************************/ 31 32 /* Following works for GCC and MSVC. That's ~98% of our users, if Tyler 33 * Mitchell's survey is correct 34 */ 35 #define MS_COPYSTELEM(_name) (dst)->/**/_name = (src)->/**/_name 36 37 #define MS_MACROBEGIN do { 38 #define MS_MACROEND } while (0) 39 40 #define MS_COPYRECT(_dst, _src) \ 41 MS_MACROBEGIN \ 42 (_dst)->minx = (_src)->minx; \ 43 (_dst)->miny = (_src)->miny; \ 44 (_dst)->maxx = (_src)->maxx; \ 45 (_dst)->maxy = (_src)->maxy; \ 46 MS_MACROEND 47 48 #ifdef USE_POINT_Z_M 49 #define MS_COPYPOINT(_dst, _src) \ 50 MS_MACROBEGIN \ 51 (_dst)->x = (_src)->x; \ 52 (_dst)->y = (_src)->y; \ 53 (_dst)->m = (_src)->m; \ 54 MS_MACROEND 55 #else 56 #define MS_COPYPOINT(_dst, _src) \ 57 MS_MACROBEGIN \ 58 (_dst)->x = (_src)->x; \ 59 (_dst)->y = (_src)->y; \ 60 MS_MACROEND 61 #endif 62 63 #define MS_COPYCOLOR(_dst, _src) \ 64 MS_MACROBEGIN \ 65 (_dst)->red = (_src)->red; \ 66 (_dst)->green = (_src)->green;\ 67 (_dst)->blue = (_src)->blue; \ 68 (_dst)->alpha = (_src)->alpha; \ 69 MS_MACROEND 70 71 #define MS_COPYSTRING(_dst, _src) \ 72 MS_MACROBEGIN \ 73 if ((_dst) != NULL) \ 74 msFree((_dst)); \ 75 if ((_src)) \ 76 (_dst) = msStrdup((_src)); \ 77 else \ 78 (_dst) = NULL; \ 79 MS_MACROEND 80 81 82