/********************************************************************** * $Id$ * * Project: MapServer * Purpose: OGC SLD implementation * Author: Y. Assefa, DM Solutions Group (assefa@dmsolutions.ca) * ********************************************************************** * Copyright (c) 2003, Y. Assefa, DM Solutions Group Inc * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies of this Software or works derived from this Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER ****************************************************************************/ #include "mapogcsld.h" #include "mapogcfilter.h" #include "mapserver.h" #include "mapows.h" #include "mapcopy.h" #include "cpl_string.h" extern "C" { extern int yyparse(parseObj *); } static inline void IGUR_sizet(size_t ignored) { (void)ignored; } /* Ignore GCC Unused Result */ #define SLD_LINE_SYMBOL_NAME "sld_line_symbol" #define SLD_LINE_SYMBOL_DASH_NAME "sld_line_symbol_dash" #define SLD_MARK_SYMBOL_SQUARE "sld_mark_symbol_square" #define SLD_MARK_SYMBOL_SQUARE_FILLED "sld_mark_symbol_square_filled" #define SLD_MARK_SYMBOL_CIRCLE "sld_mark_symbol_circle" #define SLD_MARK_SYMBOL_CIRCLE_FILLED "sld_mark_symbol_circle_filled" #define SLD_MARK_SYMBOL_TRIANGLE "sld_mark_symbol_triangle" #define SLD_MARK_SYMBOL_TRIANGLE_FILLED "sld_mark_symbol_triangle_filled" #define SLD_MARK_SYMBOL_STAR "sld_mark_symbol_star" #define SLD_MARK_SYMBOL_STAR_FILLED "sld_mark_symbol_star_filled" #define SLD_MARK_SYMBOL_CROSS "sld_mark_symbol_cross" #define SLD_MARK_SYMBOL_CROSS_FILLED "sld_mark_symbol_cross_filled" #define SLD_MARK_SYMBOL_X "sld_mark_symbol_x" #define SLD_MARK_SYMBOL_X_FILLED "sld_mark_symbol_x_filled" /************************************************************************/ /* msSLDApplySLDURL */ /* */ /* Use the SLD document given through a URL and apply the SLD */ /* on the map. Layer name and Named Layer's name parameter are */ /* used to do the match. */ /************************************************************************/ int msSLDApplySLDURL(mapObj *map, const char *szURL, int iLayer, const char *pszStyleLayerName, char **ppszLayerNames) { /* needed for libcurl function msHTTPGetFile in maphttp.c */ #if defined(USE_CURL) char *pszSLDTmpFile = NULL; int status = 0; char *pszSLDbuf = NULL; FILE *fp = NULL; int nStatus = MS_FAILURE; if (map && szURL) { map->sldurl = (char *)szURL; pszSLDTmpFile = msTmpFile(map, map->mappath, NULL, "sld.xml"); if (pszSLDTmpFile == NULL) { pszSLDTmpFile = msTmpFile(map, NULL, NULL, "sld.xml"); } if (pszSLDTmpFile == NULL) { msSetError( MS_WMSERR, "Could not determine temporary file. Please make sure that the " "temporary path is set. The temporary path can be defined for " "example by setting TEMPPATH in the map file. Please check the " "MapServer documentation on temporary path settings.", "msSLDApplySLDURL()"); } else { int nMaxRemoteSLDBytes; const char *pszMaxRemoteSLDBytes = msOWSLookupMetadata( &(map->web.metadata), "MO", "remote_sld_max_bytes"); if (!pszMaxRemoteSLDBytes) { nMaxRemoteSLDBytes = 1024 * 1024; /* 1 megaByte */ } else { nMaxRemoteSLDBytes = atoi(pszMaxRemoteSLDBytes); } if (msHTTPGetFile(szURL, pszSLDTmpFile, &status, -1, 0, 0, nMaxRemoteSLDBytes) == MS_SUCCESS) { if ((fp = fopen(pszSLDTmpFile, "rb")) != NULL) { int nBufsize = 0; fseek(fp, 0, SEEK_END); nBufsize = ftell(fp); if (nBufsize > 0) { rewind(fp); pszSLDbuf = (char *)malloc((nBufsize + 1) * sizeof(char)); if (pszSLDbuf == NULL) { msSetError(MS_MEMERR, "Failed to open SLD file.", "msSLDApplySLDURL()"); } else { IGUR_sizet(fread(pszSLDbuf, 1, nBufsize, fp)); pszSLDbuf[nBufsize] = '\0'; } } else { msSetError(MS_WMSERR, "Could not open SLD %s as it appears empty", "msSLDApplySLDURL", szURL); } fclose(fp); unlink(pszSLDTmpFile); } } else { unlink(pszSLDTmpFile); msSetError( MS_WMSERR, "Could not open SLD %s and save it in a temporary file. Please " "make sure that the sld url is valid and that the temporary path " "is set. The temporary path can be defined for example by setting " "TEMPPATH in the map file. Please check the MapServer " "documentation on temporary path settings.", "msSLDApplySLDURL", szURL); } msFree(pszSLDTmpFile); if (pszSLDbuf) nStatus = msSLDApplySLD(map, pszSLDbuf, iLayer, pszStyleLayerName, ppszLayerNames); } map->sldurl = NULL; } msFree(pszSLDbuf); return nStatus; #else msSetError(MS_MISCERR, "WMS/WFS client support is not enabled .", "msSLDApplySLDURL()"); return (MS_FAILURE); #endif } /************************************************************************/ /* msSLDApplyFromFile */ /* */ /* Apply SLD from a file on disk to the layerObj */ /************************************************************************/ int msSLDApplyFromFile(mapObj *map, layerObj *layer, const char *filename) { FILE *fp = NULL; int nStatus = MS_FAILURE; /* open SLD file */ char szPath[MS_MAXPATHLEN]; char *pszSLDbuf = NULL; const char *realpath = msBuildPath(szPath, map->mappath, filename); if ((fp = fopen(realpath, "rb")) != NULL) { int nBufsize = 0; fseek(fp, 0, SEEK_END); nBufsize = ftell(fp); if (nBufsize > 0) { rewind(fp); pszSLDbuf = (char *)malloc((nBufsize + 1) * sizeof(char)); if (pszSLDbuf == NULL) { msSetError(MS_MEMERR, "Failed to read SLD file.", "msSLDApplyFromFile()"); } else { IGUR_sizet(fread(pszSLDbuf, 1, nBufsize, fp)); pszSLDbuf[nBufsize] = '\0'; } } else { msSetError(MS_IOERR, "Could not open SLD %s as it appears empty", "msSLDApplyFromFile", realpath); } fclose(fp); } if (pszSLDbuf) { // if not set, then use the first NamedStyle in the SLD file // even if the names don't match const char *pszMetadataName = "SLD_USE_FIRST_NAMEDLAYER"; const char *pszValue = msLookupHashTable(&(layer->metadata), pszMetadataName); if (pszValue == NULL) { msInsertHashTable(&(layer->metadata), pszMetadataName, "true"); } nStatus = msSLDApplySLD(map, pszSLDbuf, layer->index, NULL, NULL); } else { msSetError(MS_IOERR, "Invalid SLD filename: \"%s\".", "msSLDApplyFromFile()", realpath); } msFree(pszSLDbuf); return nStatus; } #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) /* -------------------------------------------------------------------- */ /* If the same layer is given more that once, we need to */ /* duplicate it. */ /* -------------------------------------------------------------------- */ static void msSLDApplySLD_DuplicateLayers(mapObj *map, int nSLDLayers, layerObj *pasSLDLayers) { int m; for (m = 0; m < nSLDLayers; m++) { int l; int nIndex = msGetLayerIndex(map, pasSLDLayers[m].name); if (pasSLDLayers[m].name == NULL) continue; if (nIndex < 0) continue; for (l = m + 1; l < nSLDLayers; l++) { if (pasSLDLayers[l].name == NULL) continue; if (strcasecmp(pasSLDLayers[m].name, pasSLDLayers[l].name) == 0) { layerObj *psTmpLayer = (layerObj *)malloc(sizeof(layerObj)); char tmpId[128]; initLayer(psTmpLayer, map); msCopyLayer(psTmpLayer, GET_LAYER(map, nIndex)); /* open the source layer */ if (!psTmpLayer->vtable) { if (msInitializeVirtualTable(psTmpLayer) != MS_SUCCESS) { MS_REFCNT_DECR(psTmpLayer); continue; } } /*make the name unique*/ snprintf(tmpId, sizeof(tmpId), "%lx_%x_%d", (long)time(NULL), (int)getpid(), map->numlayers); if (psTmpLayer->name) msFree(psTmpLayer->name); psTmpLayer->name = msStrdup(tmpId); msFree(pasSLDLayers[l].name); pasSLDLayers[l].name = msStrdup(tmpId); msInsertLayer(map, psTmpLayer, -1); MS_REFCNT_DECR(psTmpLayer); } } } } #endif static int msApplySldLayerToMapLayer(layerObj *sldLayer, layerObj *lp) { if (sldLayer->numclasses > 0) { int iClass = 0; bool bSLDHasNamedClass = false; lp->type = sldLayer->type; lp->rendermode = MS_ALL_MATCHING_CLASSES; for (int k = 0; k < sldLayer->numclasses; k++) { if (sldLayer->_class[k]->group) { bSLDHasNamedClass = true; break; } } for (int k = 0; k < lp->numclasses; k++) { if (lp->_class[k] != NULL) { lp->_class[k]->layer = NULL; if (freeClass(lp->_class[k]) == MS_SUCCESS) { msFree(lp->_class[k]); lp->_class[k] = NULL; } } } lp->numclasses = 0; if (bSLDHasNamedClass && sldLayer->classgroup) { /* Set the class group to the class that has UserStyle.IsDefaultf */ msFree(lp->classgroup); lp->classgroup = msStrdup(sldLayer->classgroup); } else { /*unset the classgroup on the layer if it was set. This allows the layer to render with all the classes defined in the SLD*/ msFree(lp->classgroup); lp->classgroup = NULL; } for (int k = 0; k < sldLayer->numclasses; k++) { if (msGrowLayerClasses(lp) == NULL) return MS_FAILURE; initClass(lp->_class[iClass]); msCopyClass(lp->_class[iClass], sldLayer->_class[k], NULL); lp->_class[iClass]->layer = lp; lp->numclasses++; /*aliases may have been used as part of the sld text symbolizer for label element. Try to process it if that is the case #3114*/ const int layerWasOpened = msLayerIsOpen(lp); if (layerWasOpened || (msLayerOpen(lp) == MS_SUCCESS && msLayerGetItems(lp) == MS_SUCCESS)) { if (lp->_class[iClass]->text.string) { for (int z = 0; z < lp->numitems; z++) { if (!lp->items[z] || strlen(lp->items[z]) == 0) continue; char *pszTmp1 = msStrdup(lp->_class[iClass]->text.string); const char *pszFullName = msOWSLookupMetadata( &(lp->metadata), "G", std::string(lp->items[z]).append("_alias").c_str()); if (pszFullName != NULL && (strstr(pszTmp1, pszFullName) != NULL)) { pszTmp1 = msReplaceSubstring(pszTmp1, pszFullName, lp->items[z]); std::string osTmp("("); osTmp.append(pszTmp1).append(")"); // Silence false positive Coverity Scan warnings which wrongly // believes that osTmp.c_str() might be used by // msLoadExpressionString() after osTmp is destroyed. // coverity[escape] msLoadExpressionString(&(lp->_class[iClass]->text), osTmp.c_str()); } msFree(pszTmp1); } } if (!layerWasOpened) { // don't close the layer if already // open msLayerClose(lp); } } iClass++; } } else { /*this is probably an SLD that uses Named styles*/ if (sldLayer->classgroup) { int k; for (k = 0; k < lp->numclasses; k++) { if (lp->_class[k]->group && strcasecmp(lp->_class[k]->group, sldLayer->classgroup) == 0) break; } if (k < lp->numclasses) { msFree(lp->classgroup); lp->classgroup = msStrdup(sldLayer->classgroup); } else { /* TODO we throw an exception ?*/ } } } if (sldLayer->labelitem) { if (lp->labelitem) free(lp->labelitem); lp->labelitem = msStrdup(sldLayer->labelitem); } if (sldLayer->classitem) { if (lp->classitem) free(lp->classitem); lp->classitem = msStrdup(sldLayer->classitem); } /* opacity for sld raster */ if (lp->type == MS_LAYER_RASTER && sldLayer->compositer && sldLayer->compositer->opacity != 100) msSetLayerOpacity(lp, sldLayer->compositer->opacity); /* mark as auto-generate SLD */ if (lp->connectiontype == MS_WMS) msInsertHashTable(&(lp->metadata), "wms_sld_body", "auto"); /* The SLD might have a FeatureTypeConstraint */ if (sldLayer->filter.type == MS_EXPRESSION) { if (lp->filter.string && lp->filter.type == MS_EXPRESSION) { char *pszBuffer = msStringConcatenate(NULL, "(("); pszBuffer = msStringConcatenate(pszBuffer, lp->filter.string); pszBuffer = msStringConcatenate(pszBuffer, ") AND ("); pszBuffer = msStringConcatenate(pszBuffer, sldLayer->filter.string); pszBuffer = msStringConcatenate(pszBuffer, "))"); msFreeExpression(&lp->filter); msInitExpression(&lp->filter); lp->filter.string = pszBuffer; lp->filter.type = MS_EXPRESSION; } else { msFreeExpression(&lp->filter); msInitExpression(&lp->filter); lp->filter.string = msStrdup(sldLayer->filter.string); lp->filter.type = MS_EXPRESSION; } } /*in some cases it would make sense to concatenate all the class expressions and use it to set the filter on the layer. This could increase performance. Will do it for db types layers #2840*/ if (lp->filter.string == NULL || (lp->filter.string && lp->filter.type == MS_STRING && !lp->filteritem)) { if (lp->connectiontype == MS_POSTGIS || lp->connectiontype == MS_ORACLESPATIAL || lp->connectiontype == MS_PLUGIN) { if (lp->numclasses > 0) { /* check first that all classes have an expression type. That is the only way we can concatenate them and set the filter expression */ int k; for (k = 0; k < lp->numclasses; k++) { if (lp->_class[k]->expression.type != MS_EXPRESSION) break; } if (k == lp->numclasses) { char szTmp[512]; char *pszBuffer = NULL; for (k = 0; k < lp->numclasses; k++) { if (pszBuffer == NULL) snprintf(szTmp, sizeof(szTmp), "%s", "(("); /* we a building a string expression, explicitly set type below */ else snprintf(szTmp, sizeof(szTmp), "%s", " OR "); pszBuffer = msStringConcatenate(pszBuffer, szTmp); pszBuffer = msStringConcatenate(pszBuffer, lp->_class[k]->expression.string); } snprintf(szTmp, sizeof(szTmp), "%s", "))"); pszBuffer = msStringConcatenate(pszBuffer, szTmp); msFreeExpression(&lp->filter); msInitExpression(&lp->filter); lp->filter.string = msStrdup(pszBuffer); lp->filter.type = MS_EXPRESSION; msFree(pszBuffer); } } } } return MS_SUCCESS; } /************************************************************************/ /* msSLDApplySLD */ /* */ /* Parses the SLD into array of layers. Go through the map and */ /* compare the SLD layers and the map layers using the name. If */ /* they have the same name, copy the classes associated with */ /* the SLD layers onto the map layers. */ /************************************************************************/ int msSLDApplySLD(mapObj *map, const char *psSLDXML, int iLayer, const char *pszStyleLayerName, char **ppszLayerNames) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) int nSLDLayers = 0; layerObj *pasSLDLayers = NULL; int nStatus = MS_SUCCESS; /*const char *pszSLDNotSupported = NULL;*/ pasSLDLayers = msSLDParseSLD(map, psSLDXML, &nSLDLayers); if (pasSLDLayers == NULL) { errorObj *psError = msGetErrorObj(); if (psError && psError->code != MS_NOERR) return MS_FAILURE; } if (pasSLDLayers && nSLDLayers > 0) { int i; msSLDApplySLD_DuplicateLayers(map, nSLDLayers, pasSLDLayers); for (i = 0; i < map->numlayers; i++) { layerObj *lp = NULL; const char *pszWMSLayerName = NULL; int j; int bUseSpecificLayer = 0; if (iLayer >= 0 && iLayer < map->numlayers) { i = iLayer; bUseSpecificLayer = 1; } lp = GET_LAYER(map, i); /* compare layer name to wms_name as well */ pszWMSLayerName = msOWSLookupMetadata(&(lp->metadata), "MO", "name"); bool bSldApplied = false; for (j = 0; j < nSLDLayers; j++) { layerObj *sldLayer = &pasSLDLayers[j]; /* -------------------------------------------------------------------- */ /* copy : - class */ /* - layer's labelitem */ /* -------------------------------------------------------------------- */ if ((sldLayer->name && pszStyleLayerName == NULL && ((strcasecmp(lp->name, sldLayer->name) == 0 || (pszWMSLayerName && strcasecmp(pszWMSLayerName, sldLayer->name) == 0)) || (lp->group && strcasecmp(lp->group, sldLayer->name) == 0))) || (bUseSpecificLayer && pszStyleLayerName && sldLayer->name && strcasecmp(sldLayer->name, pszStyleLayerName) == 0)) { #ifdef notdef /*this is a test code if we decide to flag some layers as not * supporting SLD*/ pszSLDNotSupported = msOWSLookupMetadata(&(lp->metadata), "M", "SLD_NOT_SUPPORTED"); if (pszSLDNotSupported) { msSetError(MS_WMSERR, "Layer %s does not support SLD", "msSLDApplySLD", sldLayer->name); nsStatus = MS_FAILURE; goto sld_cleanup; } #endif if (msApplySldLayerToMapLayer(sldLayer, lp) == MS_FAILURE) { nStatus = MS_FAILURE; goto sld_cleanup; }; bSldApplied = true; break; } } if (bUseSpecificLayer) { if (!bSldApplied) { // there was no name match between the map layer and the SLD named // layer - check if we should apply the first SLD layer anyway const char *pszSLDUseFirstNamedLayer = msLookupHashTable(&(lp->metadata), "SLD_USE_FIRST_NAMEDLAYER"); if (pszSLDUseFirstNamedLayer) { if (strcasecmp(pszSLDUseFirstNamedLayer, "true") == 0) { layerObj *firstSldLayer = &pasSLDLayers[0]; if (msApplySldLayerToMapLayer(firstSldLayer, lp) == MS_FAILURE) { nStatus = MS_FAILURE; goto sld_cleanup; }; } } } break; } } /* -------------------------------------------------------------------- */ /* if needed return a comma separated list of the layers found */ /* in the sld. */ /* -------------------------------------------------------------------- */ if (ppszLayerNames) { char *pszTmp = NULL; for (i = 0; i < nSLDLayers; i++) { if (pasSLDLayers[i].name) { if (pszTmp != NULL) pszTmp = msStringConcatenate(pszTmp, ","); pszTmp = msStringConcatenate(pszTmp, pasSLDLayers[i].name); } } *ppszLayerNames = pszTmp; } } nStatus = MS_SUCCESS; sld_cleanup: if (pasSLDLayers) { for (int i = 0; i < nSLDLayers; i++) freeLayer(&pasSLDLayers[i]); msFree(pasSLDLayers); } if (map->debug == MS_DEBUGLEVEL_VVV) { char *tmpfilename = msTmpFile(map, map->mappath, NULL, "_sld.map"); if (tmpfilename == NULL) { tmpfilename = msTmpFile(map, NULL, NULL, "_sld.map"); } if (tmpfilename) { msSaveMap(map, tmpfilename); msDebug("msApplySLD(): Map file after SLD was applied %s\n", tmpfilename); msFree(tmpfilename); } } return nStatus; #else msSetError(MS_MISCERR, "OWS support is not available.", "msSLDApplySLD()"); return (MS_FAILURE); #endif } static CPLXMLNode *FindNextChild(CPLXMLNode *psNode, const char *pszChildName) { while (psNode) { if (psNode->eType == CXT_Element && strcasecmp(psNode->pszValue, pszChildName) == 0) { return psNode; } psNode = psNode->psNext; } return NULL; } #define LOOP_ON_CHILD_ELEMENT(psParent_, psChild_, pszChildName_) \ for (psChild_ = FindNextChild(psParent_->psChild, pszChildName_); \ psChild_ != NULL; \ psChild_ = FindNextChild(psChild_->psNext, pszChildName_)) /************************************************************************/ /* msSLDParseSLD */ /* */ /* Parse the sld document into layers : for each named layer */ /* there is one mapserver layer created with appropriate */ /* classes and styles. */ /* Returns an array of mapserver layers. The pnLayres if */ /* provided will indicate the size of the returned array. */ /************************************************************************/ layerObj *msSLDParseSLD(mapObj *map, const char *psSLDXML, int *pnLayers) { CPLXMLNode *psRoot = NULL; CPLXMLNode *psSLD, *psNamedLayer; layerObj *pasLayers = NULL; int iLayer = 0; int nLayers = 0; if (map == NULL || psSLDXML == NULL || strlen(psSLDXML) == 0 || (strstr(psSLDXML, "StyledLayerDescriptor") == NULL)) { msSetError(MS_WMSERR, "Invalid SLD document", ""); return NULL; } psRoot = CPLParseXMLString(psSLDXML); if (psRoot == NULL) { msSetError(MS_WMSERR, "Invalid SLD document : %s", "", psSLDXML); return NULL; } /* strip namespaces ogc and sld and gml */ CPLStripXMLNamespace(psRoot, "ogc", 1); CPLStripXMLNamespace(psRoot, "sld", 1); CPLStripXMLNamespace(psRoot, "gml", 1); CPLStripXMLNamespace(psRoot, "se", 1); /* -------------------------------------------------------------------- */ /* get the root element (StyledLayerDescriptor). */ /* -------------------------------------------------------------------- */ psSLD = CPLGetXMLNode(psRoot, "=StyledLayerDescriptor"); if (!psSLD) { msSetError(MS_WMSERR, "Invalid SLD document : %s", "", psSLDXML); return NULL; } /* -------------------------------------------------------------------- */ /* Parse the named layers. */ /* -------------------------------------------------------------------- */ LOOP_ON_CHILD_ELEMENT(psSLD, psNamedLayer, "NamedLayer") { nLayers++; } if (nLayers > 0) pasLayers = (layerObj *)malloc(sizeof(layerObj) * nLayers); else return NULL; LOOP_ON_CHILD_ELEMENT(psSLD, psNamedLayer, "NamedLayer") { CPLXMLNode *psName = CPLGetXMLNode(psNamedLayer, "Name"); initLayer(&pasLayers[iLayer], map); if (psName && psName->psChild && psName->psChild->pszValue) pasLayers[iLayer].name = msStrdup(psName->psChild->pszValue); if (msSLDParseNamedLayer(psNamedLayer, &pasLayers[iLayer]) != MS_SUCCESS) { int i; for (i = 0; i <= iLayer; i++) freeLayer(&pasLayers[i]); msFree(pasLayers); nLayers = 0; pasLayers = NULL; break; } iLayer++; } if (pnLayers) *pnLayers = nLayers; if (psRoot) CPLDestroyXMLNode(psRoot); return pasLayers; } /************************************************************************/ /* _SLDApplyRuleValues */ /* */ /* Utility function to set the scale, title/name for the */ /* classes created by a Rule. */ /************************************************************************/ void _SLDApplyRuleValues(CPLXMLNode *psRule, layerObj *psLayer, int nNewClasses) { CPLXMLNode *psMinScale = NULL, *psMaxScale = NULL; CPLXMLNode *psName = NULL, *psTitle = NULL; double dfMinScale = 0, dfMaxScale = 0; char *pszName = NULL, *pszTitle = NULL; if (psRule && psLayer && nNewClasses > 0) { /* -------------------------------------------------------------------- */ /* parse minscale and maxscale. */ /* -------------------------------------------------------------------- */ psMinScale = CPLGetXMLNode(psRule, "MinScaleDenominator"); if (psMinScale && psMinScale->psChild && psMinScale->psChild->pszValue) dfMinScale = atof(psMinScale->psChild->pszValue); psMaxScale = CPLGetXMLNode(psRule, "MaxScaleDenominator"); if (psMaxScale && psMaxScale->psChild && psMaxScale->psChild->pszValue) dfMaxScale = atof(psMaxScale->psChild->pszValue); /* -------------------------------------------------------------------- */ /* parse name and title. */ /* -------------------------------------------------------------------- */ psName = CPLGetXMLNode(psRule, "Name"); if (psName && psName->psChild && psName->psChild->pszValue) pszName = psName->psChild->pszValue; psTitle = CPLGetXMLNode(psRule, "Title"); if (psTitle && psTitle->psChild && psTitle->psChild->pszValue) pszTitle = psTitle->psChild->pszValue; /* -------------------------------------------------------------------- */ /* set the scale to all the classes created by the rule. */ /* -------------------------------------------------------------------- */ if (dfMinScale > 0 || dfMaxScale > 0) { for (int i = 0; i < nNewClasses; i++) { if (dfMinScale > 0) psLayer->_class[psLayer->numclasses - 1 - i]->minscaledenom = dfMinScale; if (dfMaxScale) psLayer->_class[psLayer->numclasses - 1 - i]->maxscaledenom = dfMaxScale; } } /* -------------------------------------------------------------------- */ /* set name and title to the classes created by the rule. */ /* -------------------------------------------------------------------- */ for (int i = 0; i < nNewClasses; i++) { if (!psLayer->_class[psLayer->numclasses - 1 - i]->name) { if (pszName) psLayer->_class[psLayer->numclasses - 1 - i]->name = msStrdup(pszName); else if (pszTitle) psLayer->_class[psLayer->numclasses - 1 - i]->name = msStrdup(pszTitle); else { // Build a name from layer and class info char szTmp[256]; snprintf(szTmp, sizeof(szTmp), "%s#%d", psLayer->name, psLayer->numclasses - 1 - i); psLayer->_class[psLayer->numclasses - 1 - i]->name = msStrdup(szTmp); } } } if (pszTitle) { for (int i = 0; i < nNewClasses; i++) { psLayer->_class[psLayer->numclasses - 1 - i]->title = msStrdup(pszTitle); } } } } /************************************************************************/ /* msSLDGetCommonExpressionFromFilter */ /* */ /* Get a common expression valid from the filter valid for the */ /* temporary layer. */ /************************************************************************/ static char *msSLDGetCommonExpressionFromFilter(CPLXMLNode *psFilter, layerObj *psLayer) { char *pszExpression = NULL; CPLXMLNode *psTmpNextNode = NULL; CPLXMLNode *psTmpNode = NULL; FilterEncodingNode *psNode = NULL; char *pszTmpFilter = NULL; layerObj *psCurrentLayer = NULL; const char *pszWmsName = NULL; const char *key = NULL; /* clone the tree and set the next node to null */ /* so we only have the Filter node */ psTmpNode = CPLCloneXMLTree(psFilter); psTmpNextNode = psTmpNode->psNext; psTmpNode->psNext = NULL; pszTmpFilter = CPLSerializeXMLTree(psTmpNode); psTmpNode->psNext = psTmpNextNode; CPLDestroyXMLNode(psTmpNode); if (pszTmpFilter) { psNode = FLTParseFilterEncoding(pszTmpFilter); CPLFree(pszTmpFilter); } if (psNode) { int j; /*preparse the filter for possible gml aliases set on the layer's metadata: "gml_NA3DESC_alias" "alias_name" and filter could be alias_name #3079*/ for (j = 0; j < psLayer->map->numlayers; j++) { psCurrentLayer = GET_LAYER(psLayer->map, j); pszWmsName = msOWSLookupMetadata(&(psCurrentLayer->metadata), "MO", "name"); if ((psCurrentLayer->name && psLayer->name && strcasecmp(psCurrentLayer->name, psLayer->name) == 0) || (psCurrentLayer->group && psLayer->name && strcasecmp(psCurrentLayer->group, psLayer->name) == 0) || (psLayer->name && pszWmsName && strcasecmp(pszWmsName, psLayer->name) == 0)) break; } if (j < psLayer->map->numlayers) { /*make sure that the tmp layer has all the metadata that the original layer has, allowing to do parsing for such things as gml_attribute_type #3052*/ while (1) { key = msNextKeyFromHashTable(&psCurrentLayer->metadata, key); if (!key) break; else msInsertHashTable(&psLayer->metadata, key, msLookupHashTable(&psCurrentLayer->metadata, key)); } FLTPreParseFilterForAliasAndGroup(psNode, psLayer->map, j, "G"); } pszExpression = FLTGetCommonExpression(psNode, psLayer); FLTFreeFilterEncodingNode(psNode); } return pszExpression; } /************************************************************************/ /* msSLDParseUserStyle */ /* */ /* Parse UserStyle node. */ /************************************************************************/ static void msSLDParseUserStyle(CPLXMLNode *psUserStyle, layerObj *psLayer) { CPLXMLNode *psFeatureTypeStyle; const char *pszUserStyleName = CPLGetXMLValue(psUserStyle, "Name", NULL); if (pszUserStyleName) { const char *pszIsDefault = CPLGetXMLValue(psUserStyle, "IsDefault", "0"); if (EQUAL(pszIsDefault, "true") || EQUAL(pszIsDefault, "1")) { msFree(psLayer->classgroup); psLayer->classgroup = msStrdup(pszUserStyleName); } } LOOP_ON_CHILD_ELEMENT(psUserStyle, psFeatureTypeStyle, "FeatureTypeStyle") { CPLXMLNode *psRule; /* -------------------------------------------------------------------- */ /* Parse rules with no Else filter. */ /* -------------------------------------------------------------------- */ LOOP_ON_CHILD_ELEMENT(psFeatureTypeStyle, psRule, "Rule") { CPLXMLNode *psFilter = NULL; CPLXMLNode *psElseFilter = NULL; int nNewClasses = 0, nClassBeforeFilter = 0, nClassAfterFilter = 0; int nClassAfterRule = 0, nClassBeforeRule = 0; /* used for scale setting */ nClassBeforeRule = psLayer->numclasses; psElseFilter = CPLGetXMLNode(psRule, "ElseFilter"); nClassBeforeFilter = psLayer->numclasses; if (psElseFilter == NULL) msSLDParseRule(psRule, psLayer, pszUserStyleName); nClassAfterFilter = psLayer->numclasses; /* -------------------------------------------------------------------- */ /* Parse the filter and apply it to the latest class created by */ /* the rule. */ /* NOTE : Spatial Filter is not supported. */ /* -------------------------------------------------------------------- */ psFilter = CPLGetXMLNode(psRule, "Filter"); if (psFilter && psFilter->psChild && psFilter->psChild->pszValue) { char *pszExpression = msSLDGetCommonExpressionFromFilter(psFilter, psLayer); if (pszExpression) { int i; nNewClasses = nClassAfterFilter - nClassBeforeFilter; for (i = 0; i < nNewClasses; i++) { expressionObj *exp = &(psLayer->_class[psLayer->numclasses - 1 - i]->expression); msFreeExpression(exp); msInitExpression(exp); exp->string = msStrdup(pszExpression); exp->type = MS_EXPRESSION; } msFree(pszExpression); pszExpression = NULL; } } nClassAfterRule = psLayer->numclasses; nNewClasses = nClassAfterRule - nClassBeforeRule; /* apply scale and title to newly created classes */ _SLDApplyRuleValues(psRule, psLayer, nNewClasses); /* TODO : parse legendgraphic */ } /* -------------------------------------------------------------------- */ /* First parse rules with the else filter. These rules will */ /* create the classes that are placed at the end of class */ /* list. (See how classes are applied to layers in function */ /* msSLDApplySLD). */ /* -------------------------------------------------------------------- */ LOOP_ON_CHILD_ELEMENT(psFeatureTypeStyle, psRule, "Rule") { CPLXMLNode *psElseFilter = CPLGetXMLNode(psRule, "ElseFilter"); if (psElseFilter) { const int nNumClassesBeforeRule = psLayer->numclasses; msSLDParseRule(psRule, psLayer, pszUserStyleName); const int nNumClassesAfterRule = psLayer->numclasses; const int nNumClassesAdded = nNumClassesAfterRule - nNumClassesBeforeRule; if (nNumClassesAdded > 0) { _SLDApplyRuleValues(psRule, psLayer, nNumClassesAdded); for (int i = 0; i < nNumClassesAdded; ++i) { psLayer->_class[psLayer->numclasses - 1 - i]->isfallback = TRUE; } } } } } } /************************************************************************/ /* msSLDParseNamedLayer */ /* */ /* Parse NamedLayer root. */ /************************************************************************/ int msSLDParseNamedLayer(CPLXMLNode *psRoot, layerObj *psLayer) { CPLXMLNode *psLayerFeatureConstraints = NULL; if (!psRoot || !psLayer) return MS_FAILURE; if (CPLGetXMLNode(psRoot, "UserStyle")) { CPLXMLNode *psUserStyle; LOOP_ON_CHILD_ELEMENT(psRoot, psUserStyle, "UserStyle") { msSLDParseUserStyle(psUserStyle, psLayer); } } /* check for Named styles*/ else { CPLXMLNode *psNamedStyle = CPLGetXMLNode(psRoot, "NamedStyle"); if (psNamedStyle) { CPLXMLNode *psSLDName = CPLGetXMLNode(psNamedStyle, "Name"); if (psSLDName && psSLDName->psChild && psSLDName->psChild->pszValue) { msFree(psLayer->classgroup); psLayer->classgroup = msStrdup(psSLDName->psChild->pszValue); } } } /* Deal with LayerFeatureConstraints */ psLayerFeatureConstraints = CPLGetXMLNode(psRoot, "LayerFeatureConstraints"); if (psLayerFeatureConstraints != NULL) { CPLXMLNode *psIter = psLayerFeatureConstraints->psChild; CPLXMLNode *psFeatureTypeConstraint = NULL; for (; psIter != NULL; psIter = psIter->psNext) { if (psIter->eType == CXT_Element && strcmp(psIter->pszValue, "FeatureTypeConstraint") == 0) { if (psFeatureTypeConstraint == NULL) { psFeatureTypeConstraint = psIter; } else { msSetError(MS_WMSERR, "Only one single FeatureTypeConstraint element " "per LayerFeatureConstraints is supported", ""); return MS_FAILURE; } } } if (psFeatureTypeConstraint != NULL) { CPLXMLNode *psFilter; if (CPLGetXMLNode(psFeatureTypeConstraint, "FeatureTypeName") != NULL) { msSetError(MS_WMSERR, "FeatureTypeName element is not " "supported in FeatureTypeConstraint", ""); return MS_FAILURE; } if (CPLGetXMLNode(psFeatureTypeConstraint, "Extent") != NULL) { msSetError(MS_WMSERR, "Extent element is not " "supported in FeatureTypeConstraint", ""); return MS_FAILURE; } psFilter = CPLGetXMLNode(psFeatureTypeConstraint, "Filter"); if (psFilter && psFilter->psChild && psFilter->psChild->pszValue) { char *pszExpression = msSLDGetCommonExpressionFromFilter(psFilter, psLayer); if (pszExpression) { msFreeExpression(&psLayer->filter); msInitExpression(&psLayer->filter); psLayer->filter.string = pszExpression; psLayer->filter.type = MS_EXPRESSION; } } } } return MS_SUCCESS; } /************************************************************************/ /* msSLDParseRule() */ /* */ /* Parse a Rule node into classes for a specific layer. */ /************************************************************************/ int msSLDParseRule(CPLXMLNode *psRoot, layerObj *psLayer, const char *pszUserStyleName) { CPLXMLNode *psLineSymbolizer = NULL; CPLXMLNode *psPolygonSymbolizer = NULL; CPLXMLNode *psPointSymbolizer = NULL; CPLXMLNode *psTextSymbolizer = NULL; CPLXMLNode *psRasterSymbolizer = NULL; int nSymbolizer = 0; if (!psRoot || !psLayer) return MS_FAILURE; /* TODO : parse name of the rule */ /* ==================================================================== */ /* For each rule a new class is created. If there are more than */ /* one symbolizer, a style is added in the same class. */ /* ==================================================================== */ /* Raster symbolizer */ LOOP_ON_CHILD_ELEMENT(psRoot, psRasterSymbolizer, "RasterSymbolizer") { msSLDParseRasterSymbolizer(psRasterSymbolizer, psLayer, pszUserStyleName); /* cppcheck-suppress knownConditionTrueFalse */ if (nSymbolizer == 0) { psLayer->type = MS_LAYER_RASTER; } } /* Polygon symbolizer */ LOOP_ON_CHILD_ELEMENT(psRoot, psPolygonSymbolizer, "PolygonSymbolizer") { /* cppcheck-suppress knownConditionTrueFalse */ const int bNewClass = (nSymbolizer == 0); msSLDParsePolygonSymbolizer(psPolygonSymbolizer, psLayer, bNewClass, pszUserStyleName); psLayer->type = MS_LAYER_POLYGON; nSymbolizer++; } /* line symbolizer */ LOOP_ON_CHILD_ELEMENT(psRoot, psLineSymbolizer, "LineSymbolizer") { const int bNewClass = (nSymbolizer == 0); msSLDParseLineSymbolizer(psLineSymbolizer, psLayer, bNewClass, pszUserStyleName); if (bNewClass) { psLayer->type = MS_LAYER_LINE; } if (psLayer->type == MS_LAYER_POLYGON) { const int nClassId = psLayer->numclasses - 1; if (nClassId >= 0) { const int nStyleId = psLayer->_class[nClassId]->numstyles - 1; if (nStyleId >= 0) { styleObj *psStyle = psLayer->_class[nClassId]->styles[nStyleId]; psStyle->outlinecolor = psStyle->color; MS_INIT_COLOR(psStyle->color, -1, -1, -1, 255); MS_COPYSTRING( psStyle->exprBindings[MS_STYLE_BINDING_OUTLINECOLOR].string, psStyle->exprBindings[MS_STYLE_BINDING_COLOR].string); psStyle->exprBindings[MS_STYLE_BINDING_OUTLINECOLOR].type = psStyle->exprBindings[MS_STYLE_BINDING_COLOR].type; msFreeExpression(&(psStyle->exprBindings[MS_STYLE_BINDING_COLOR])); msInitExpression(&(psStyle->exprBindings[MS_STYLE_BINDING_COLOR])); } } } nSymbolizer++; } /* Point Symbolizer */ LOOP_ON_CHILD_ELEMENT(psRoot, psPointSymbolizer, "PointSymbolizer") { const int bNewClass = (nSymbolizer == 0); msSLDParsePointSymbolizer(psPointSymbolizer, psLayer, bNewClass, pszUserStyleName); if (bNewClass) { psLayer->type = MS_LAYER_POINT; } if (psLayer->type == MS_LAYER_POLYGON || psLayer->type == MS_LAYER_LINE || psLayer->type == MS_LAYER_RASTER) { const int nClassId = psLayer->numclasses - 1; if (nClassId >= 0) { const int nStyleId = psLayer->_class[nClassId]->numstyles - 1; if (nStyleId >= 0) { styleObj *psStyle = psLayer->_class[nClassId]->styles[nStyleId]; msStyleSetGeomTransform(psStyle, "centroid"); } } } nSymbolizer++; } /* Text symbolizer */ /* ==================================================================== */ /* For text symbolizer, here is how it is translated into */ /* mapserver classes : */ /* - If there are other symbolizers(line, polygon, symbol), */ /* the label object created will be created in the same class */ /* (the last class) as the symbolizer. This allows to have for */ /* example of point layer with labels. */ /* - If there are no other symbolizers, a new class will be */ /* created to contain the label object. */ /* ==================================================================== */ if (psLayer->type == MS_LAYER_LINE || psLayer->type == MS_LAYER_POLYGON) nSymbolizer++; LOOP_ON_CHILD_ELEMENT(psRoot, psTextSymbolizer, "TextSymbolizer") { if (nSymbolizer == 0) psLayer->type = MS_LAYER_POINT; msSLDParseTextSymbolizer(psTextSymbolizer, psLayer, nSymbolizer > 0, pszUserStyleName); } return MS_SUCCESS; } /************************************************************************/ /* getClassId() */ /************************************************************************/ static int getClassId(layerObj *psLayer, int bNewClass, const char *pszUserStyleName) { int nClassId; if (bNewClass || psLayer->numclasses <= 0) { if (msGrowLayerClasses(psLayer) == NULL) return -1; initClass(psLayer->_class[psLayer->numclasses]); nClassId = psLayer->numclasses; if (pszUserStyleName) psLayer->_class[nClassId]->group = msStrdup(pszUserStyleName); psLayer->numclasses++; } else { nClassId = psLayer->numclasses - 1; } return nClassId; } /************************************************************************/ /* msSLDParseUomAttribute() */ /************************************************************************/ int msSLDParseUomAttribute(CPLXMLNode *node, enum MS_UNITS *sizeunits) { const struct { enum MS_UNITS unit; const char *const values[10]; } known_uoms[] = { {MS_INCHES, {"inch", "inches", NULL}}, {MS_FEET, {"foot", "feet", "http://www.opengeospatial.org/se/units/foot", NULL}}, {MS_MILES, {"mile", "miles", NULL}}, {MS_METERS, {"meter", "meters", "metre", "metres", "http://www.opengeospatial.org/se/units/metre", NULL}}, {MS_KILOMETERS, {"kilometer", "kilometers", "kilometre", "kilometres", NULL}}, {MS_DD, {"dd", NULL}}, {MS_PIXELS, {"pixel", "pixels", "px", "http://www.opengeospatial.org/se/units/pixel", NULL}}, {MS_PERCENTAGES, {"percent", "percents", "percentage", "percentages", NULL}}, {MS_NAUTICALMILES, {"nauticalmile", "nauticalmiles", "nautical_mile", "nautical_miles", NULL}}, {MS_INCHES, {NULL}}}; const char *uom = CPLGetXMLValue(node, "uom", NULL); if (uom) { for (int i = 0; known_uoms[i].values[0]; i++) for (int j = 0; known_uoms[i].values[j]; j++) if (strcmp(uom, known_uoms[i].values[j]) == 0) { // Match found *sizeunits = known_uoms[i].unit; return MS_SUCCESS; } // No match was found return MS_FAILURE; } // No uom was found *sizeunits = MS_PIXELS; return MS_SUCCESS; } /************************************************************************/ /* msSLDParseLineSymbolizer() */ /* */ /* Parses the LineSymbolizer rule and creates a class in the */ /* layer. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* Example of a rule : */ /* ... */ /* */ /* */ /* */ /* center-line */ /* */ /* */ /* #0000ff */ /* 5.0 */ /* 10.0 5 5 10*/ /* */ /* */ /* */ /* ... */ /************************************************************************/ int msSLDParseLineSymbolizer(CPLXMLNode *psRoot, layerObj *psLayer, int bNewClass, const char *pszUserStyleName) { CPLXMLNode *psStroke = NULL, *psOffset = NULL; if (!psRoot || !psLayer) return MS_FAILURE; // Get uom if any, defaults to MS_PIXELS enum MS_UNITS sizeunits = MS_PIXELS; if (msSLDParseUomAttribute(psRoot, &sizeunits) != MS_SUCCESS) { msSetError(MS_WMSERR, "Invalid uom attribute value.", "msSLDParsePolygonSymbolizer()"); return MS_FAILURE; } psStroke = CPLGetXMLNode(psRoot, "Stroke"); if (psStroke) { int nClassId = getClassId(psLayer, bNewClass, pszUserStyleName); if (nClassId < 0) return MS_FAILURE; const int iStyle = psLayer->_class[nClassId]->numstyles; msMaybeAllocateClassStyle(psLayer->_class[nClassId], iStyle); psLayer->_class[nClassId]->styles[iStyle]->sizeunits = sizeunits; msSLDParseStroke(psStroke, psLayer->_class[nClassId]->styles[iStyle], psLayer->map, 0); /*parse PerpendicularOffset SLD 1.1.10*/ psOffset = CPLGetXMLNode(psRoot, "PerpendicularOffset"); if (psOffset && psOffset->psChild && psOffset->psChild->pszValue) { psLayer->_class[nClassId]->styles[iStyle]->offsetx = atoi(psOffset->psChild->pszValue); psLayer->_class[nClassId]->styles[iStyle]->offsety = MS_STYLE_SINGLE_SIDED_OFFSET; } } return MS_SUCCESS; } /************************************************************************/ /* void msSLDParseStroke(CPLXMLNode *psStroke, styleObj */ /* *psStyle, int iColorParam) */ /* */ /* Parse Stroke content into a style object. */ /* The iColorParm is used to indicate which color object to use */ /* : */ /* 0 : for color */ /* 1 : outlinecolor */ /************************************************************************/ int msSLDParseStroke(CPLXMLNode *psStroke, styleObj *psStyle, mapObj *map, int iColorParam) { CPLXMLNode *psCssParam = NULL, *psGraphicFill = NULL; char *psStrkName = NULL; char *pszDashValue = NULL; if (!psStroke || !psStyle) return MS_FAILURE; /* parse css parameters */ psCssParam = CPLGetXMLNode(psStroke, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psStroke, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { psStrkName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (psStrkName) { if (strcasecmp(psStrkName, "stroke") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { switch (iColorParam) { case 0: msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_COLOR, MS_OBJ_STYLE); break; case 1: msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_OUTLINECOLOR, MS_OBJ_STYLE); break; } } } else if (strcasecmp(psStrkName, "stroke-width") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_WIDTH, MS_OBJ_STYLE); } } else if (strcasecmp(psStrkName, "stroke-dasharray") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext && psCssParam->psChild->psNext->pszValue) { int nDash = 0, i; char **aszValues = NULL; int nMaxDash; if (pszDashValue) free(pszDashValue); /* free previous if multiple stroke-dasharray attributes were found */ pszDashValue = msStrdup(psCssParam->psChild->psNext->pszValue); aszValues = msStringSplit(pszDashValue, ' ', &nDash); if (nDash > 0) { nMaxDash = nDash; if (nDash > MS_MAXPATTERNLENGTH) nMaxDash = MS_MAXPATTERNLENGTH; psStyle->patternlength = nMaxDash; for (i = 0; i < nMaxDash; i++) psStyle->pattern[i] = atof(aszValues[i]); psStyle->linecap = MS_CJC_BUTT; } msFreeCharArray(aszValues, nDash); } } else if (strcasecmp(psStrkName, "stroke-opacity") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_OPACITY, MS_OBJ_STYLE); } } } psCssParam = psCssParam->psNext; } /* parse graphic fill or stroke */ /* graphic fill and graphic stroke pare parsed the same way : */ /* TODO : It seems inconsistent to me since the only difference */ /* between them seems to be fill (fill) or not fill (stroke). And */ /* then again the fill parameter can be used inside both elements. */ psGraphicFill = CPLGetXMLNode(psStroke, "GraphicFill"); if (psGraphicFill) msSLDParseGraphicFillOrStroke(psGraphicFill, pszDashValue, psStyle, map); psGraphicFill = CPLGetXMLNode(psStroke, "GraphicStroke"); if (psGraphicFill) msSLDParseGraphicFillOrStroke(psGraphicFill, pszDashValue, psStyle, map); if (pszDashValue) free(pszDashValue); return MS_SUCCESS; } /************************************************************************/ /* int msSLDParseOgcExpression(CPLXMLNode *psRoot, styleObj *psStyle, */ /* enum MS_STYLE_BINDING_ENUM binding) */ /* */ /* Parse an OGC expression in a */ /************************************************************************/ int msSLDParseOgcExpression(CPLXMLNode *psRoot, void *psObj, int binding, enum objType objtype) { int status = MS_FAILURE; const char *ops = "Add+Sub-Mul*Div/"; styleObj *psStyle = static_cast(psObj); labelObj *psLabel = static_cast(psObj); int lbinding; expressionObj *exprBindings; int *nexprbindings; enum { MS_STYLE_BASE = 0, MS_LABEL_BASE = 100 }; switch (objtype) { case MS_OBJ_STYLE: lbinding = binding + MS_STYLE_BASE; exprBindings = psStyle->exprBindings; nexprbindings = &psStyle->nexprbindings; break; case MS_OBJ_LABEL: lbinding = binding + MS_LABEL_BASE; exprBindings = psLabel->exprBindings; nexprbindings = &psLabel->nexprbindings; break; default: return MS_FAILURE; break; } switch (psRoot->eType) { case CXT_Text: // Parse a raw value { msStringBuffer *literal = msStringBufferAlloc(); msStringBufferAppend(literal, "("); msStringBufferAppend(literal, psRoot->pszValue); msStringBufferAppend(literal, ")"); msFreeExpression(&(exprBindings[binding])); msInitExpression(&(exprBindings[binding])); exprBindings[binding].string = msStringBufferReleaseStringAndFree(literal); exprBindings[binding].type = MS_STRING; } switch (lbinding) { case MS_STYLE_BASE + MS_STYLE_BINDING_OFFSET_X: psStyle->offsetx = atoi(psRoot->pszValue); status = MS_SUCCESS; break; case MS_STYLE_BASE + MS_STYLE_BINDING_OFFSET_Y: psStyle->offsety = atoi(psRoot->pszValue); status = MS_SUCCESS; break; case MS_STYLE_BASE + MS_STYLE_BINDING_ANGLE: psStyle->angle = atof(psRoot->pszValue); status = MS_SUCCESS; break; case MS_STYLE_BASE + MS_STYLE_BINDING_SIZE: psStyle->size = atof(psRoot->pszValue); status = MS_SUCCESS; break; case MS_STYLE_BASE + MS_STYLE_BINDING_WIDTH: psStyle->width = atof(psRoot->pszValue); status = MS_SUCCESS; break; case MS_STYLE_BASE + MS_STYLE_BINDING_OPACITY: psStyle->opacity = atof(psRoot->pszValue) * 100; status = MS_SUCCESS; // Apply opacity as the alpha channel color(s) if (psStyle->opacity < 100) { int alpha = MS_NINT(psStyle->opacity * 2.55); psStyle->color.alpha = alpha; psStyle->outlinecolor.alpha = alpha; psStyle->mincolor.alpha = alpha; psStyle->maxcolor.alpha = alpha; } break; case MS_STYLE_BASE + MS_STYLE_BINDING_COLOR: if (strlen(psRoot->pszValue) == 7 && psRoot->pszValue[0] == '#') { psStyle->color.red = msHexToInt(psRoot->pszValue + 1); psStyle->color.green = msHexToInt(psRoot->pszValue + 3); psStyle->color.blue = msHexToInt(psRoot->pszValue + 5); status = MS_SUCCESS; } break; case MS_STYLE_BASE + MS_STYLE_BINDING_OUTLINECOLOR: if (strlen(psRoot->pszValue) == 7 && psRoot->pszValue[0] == '#') { psStyle->outlinecolor.red = msHexToInt(psRoot->pszValue + 1); psStyle->outlinecolor.green = msHexToInt(psRoot->pszValue + 3); psStyle->outlinecolor.blue = msHexToInt(psRoot->pszValue + 5); status = MS_SUCCESS; } break; case MS_LABEL_BASE + MS_LABEL_BINDING_SIZE: psLabel->size = atof(psRoot->pszValue); if (psLabel->size <= 0.0) { psLabel->size = 10.0; } status = MS_SUCCESS; break; case MS_LABEL_BASE + MS_LABEL_BINDING_ANGLE: psLabel->angle = atof(psRoot->pszValue); status = MS_SUCCESS; break; case MS_LABEL_BASE + MS_LABEL_BINDING_COLOR: if (strlen(psRoot->pszValue) == 7 && psRoot->pszValue[0] == '#') { psLabel->color.red = msHexToInt(psRoot->pszValue + 1); psLabel->color.green = msHexToInt(psRoot->pszValue + 3); psLabel->color.blue = msHexToInt(psRoot->pszValue + 5); status = MS_SUCCESS; } break; case MS_LABEL_BASE + MS_LABEL_BINDING_OUTLINECOLOR: if (strlen(psRoot->pszValue) == 7 && psRoot->pszValue[0] == '#') { psLabel->outlinecolor.red = msHexToInt(psRoot->pszValue + 1); psLabel->outlinecolor.green = msHexToInt(psRoot->pszValue + 3); psLabel->outlinecolor.blue = msHexToInt(psRoot->pszValue + 5); status = MS_SUCCESS; } break; default: break; } break; case CXT_Element: if (strcasecmp(psRoot->pszValue, "Literal") == 0 && psRoot->psChild) { // Parse a element status = msSLDParseOgcExpression(psRoot->psChild, psObj, binding, objtype); } else if (strcasecmp(psRoot->pszValue, "PropertyName") == 0 && psRoot->psChild) { // Parse a element msStringBuffer *property = msStringBufferAlloc(); const char *strDelim = ""; switch (lbinding) { case MS_STYLE_BASE + MS_STYLE_BINDING_COLOR: case MS_STYLE_BASE + MS_STYLE_BINDING_OUTLINECOLOR: case MS_LABEL_BASE + MS_LABEL_BINDING_COLOR: case MS_LABEL_BASE + MS_LABEL_BINDING_OUTLINECOLOR: strDelim = "\""; /* FALLTHROUGH */ default: msStringBufferAppend(property, strDelim); msStringBufferAppend(property, "["); msStringBufferAppend(property, psRoot->psChild->pszValue); msStringBufferAppend(property, "]"); msStringBufferAppend(property, strDelim); msInitExpression(&(exprBindings[binding])); exprBindings[binding].string = msStringBufferReleaseStringAndFree(property); exprBindings[binding].type = MS_EXPRESSION; (*nexprbindings)++; break; } status = MS_SUCCESS; } else if (strcasecmp(psRoot->pszValue, "Function") == 0 && psRoot->psChild && CPLGetXMLValue(psRoot, "name", NULL) && psRoot->psChild->psNext) { // Parse a element msStringBuffer *function = msStringBufferAlloc(); // Parse function name const char *funcname = CPLGetXMLValue(psRoot, "name", NULL); msStringBufferAppend(function, funcname); msStringBufferAppend(function, "("); msInitExpression(&(exprBindings[binding])); // Parse arguments const char *sep = ""; for (CPLXMLNode *argument = psRoot->psChild->psNext; argument; argument = argument->psNext) { status = msSLDParseOgcExpression(argument, psObj, binding, objtype); if (status != MS_SUCCESS) break; msStringBufferAppend(function, sep); msStringBufferAppend(function, exprBindings[binding].string); msReplaceFreeableStr(&(exprBindings[binding].string), nullptr); msInitExpression(&(exprBindings[binding])); sep = ","; } msStringBufferAppend(function, ")"); exprBindings[binding].string = msStringBufferReleaseStringAndFree(function); exprBindings[binding].type = MS_EXPRESSION; (*nexprbindings)++; status = MS_SUCCESS; } else if (strstr(ops, psRoot->pszValue) && psRoot->psChild && psRoot->psChild->psNext) { // Parse an arithmetic element , , , const char op[2] = {*(strstr(ops, psRoot->pszValue) + 3), '\0'}; msStringBuffer *expression = msStringBufferAlloc(); // Parse first operand msStringBufferAppend(expression, "("); msInitExpression(&(exprBindings[binding])); status = msSLDParseOgcExpression(psRoot->psChild, psObj, binding, objtype); // Parse second operand if (status == MS_SUCCESS) { msStringBufferAppend(expression, exprBindings[binding].string); msStringBufferAppend(expression, op); msReplaceFreeableStr(&(exprBindings[binding].string), nullptr); msInitExpression(&(exprBindings[binding])); status = msSLDParseOgcExpression(psRoot->psChild->psNext, psObj, binding, objtype); if (status == MS_SUCCESS && exprBindings[binding].string) { msStringBufferAppend(expression, exprBindings[binding].string); msStringBufferAppend(expression, ")"); msReplaceFreeableStr(&(exprBindings[binding].string), msStringBufferReleaseStringAndFree(expression)); expression = NULL; exprBindings[binding].type = MS_EXPRESSION; (*nexprbindings)++; } } if (expression != NULL) { msStringBufferFree(expression); msInitExpression(&(exprBindings[binding])); } } break; default: break; } return status; } /************************************************************************/ /* msSLDParsePolygonSymbolizer() */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* Here, the CssParameter names are fill instead of stroke and */ /* fill-opacity instead of stroke-opacity. None of the other * CssParameters*/ /* in Stroke are available for filling and the default value for the fill * color in this context is 50% gray (value #808080).*/ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* The default if neither an ExternalGraphic nor a Mark is specified is to * use the default*/ /* mark of a square with a 50%-gray fill and a black outline, with a size * of 6 pixels.*/ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* The WellKnownName element gives the well-known name of the shape of the * mark.*/ /* Allowed values include at least square, circle, triangle, star, cross,*/ /* and x, though map servers may draw a different symbol instead if they * don't have a*/ /* shape for all of these. The default WellKnownName is square. Renderings * of these*/ /* marks may be made solid or hollow depending on Fill and Stroke * elements.*/ /* */ /************************************************************************/ int msSLDParsePolygonSymbolizer(CPLXMLNode *psRoot, layerObj *psLayer, int bNewClass, const char *pszUserStyleName) { CPLXMLNode *psFill, *psStroke; CPLXMLNode *psDisplacement = NULL, *psDisplacementX = NULL, *psDisplacementY = NULL; int nOffsetX = -1, nOffsetY = -1; if (!psRoot || !psLayer) return MS_FAILURE; // Get uom if any, defaults to MS_PIXELS enum MS_UNITS sizeunits = MS_PIXELS; if (msSLDParseUomAttribute(psRoot, &sizeunits) != MS_SUCCESS) { msSetError(MS_WMSERR, "Invalid uom attribute value.", "msSLDParsePolygonSymbolizer()"); return MS_FAILURE; } /*parse displacement for SLD 1.1.0*/ psDisplacement = CPLGetXMLNode(psRoot, "Displacement"); if (psDisplacement) { psDisplacementX = CPLGetXMLNode(psDisplacement, "DisplacementX"); psDisplacementY = CPLGetXMLNode(psDisplacement, "DisplacementY"); /* psCssParam->psChild->psNext->pszValue) */ if (psDisplacementX && psDisplacementX->psChild && psDisplacementX->psChild->pszValue && psDisplacementY && psDisplacementY->psChild && psDisplacementY->psChild->pszValue) { nOffsetX = atoi(psDisplacementX->psChild->pszValue); nOffsetY = atoi(psDisplacementY->psChild->pszValue); } } psFill = CPLGetXMLNode(psRoot, "Fill"); if (psFill) { const int nClassId = getClassId(psLayer, bNewClass, pszUserStyleName); if (nClassId < 0) return MS_FAILURE; const int iStyle = psLayer->_class[nClassId]->numstyles; msMaybeAllocateClassStyle(psLayer->_class[nClassId], iStyle); psLayer->_class[nClassId]->styles[iStyle]->sizeunits = sizeunits; msSLDParsePolygonFill(psFill, psLayer->_class[nClassId]->styles[iStyle], psLayer->map); if (nOffsetX > 0 && nOffsetY > 0) { psLayer->_class[nClassId]->styles[iStyle]->offsetx = nOffsetX; psLayer->_class[nClassId]->styles[iStyle]->offsety = nOffsetY; } } /* stroke which corresponds to the outline in mapserver */ /* is drawn after the fill */ psStroke = CPLGetXMLNode(psRoot, "Stroke"); if (psStroke) { /* -------------------------------------------------------------------- */ /* there was a fill so add a style to the last class created */ /* by the fill */ /* -------------------------------------------------------------------- */ int nClassId; int iStyle; if (psFill && psLayer->numclasses > 0) { nClassId = psLayer->numclasses - 1; iStyle = psLayer->_class[nClassId]->numstyles; msMaybeAllocateClassStyle(psLayer->_class[nClassId], iStyle); psLayer->_class[nClassId]->styles[iStyle]->sizeunits = sizeunits; } else { nClassId = getClassId(psLayer, bNewClass, pszUserStyleName); if (nClassId < 0) return MS_FAILURE; iStyle = psLayer->_class[nClassId]->numstyles; msMaybeAllocateClassStyle(psLayer->_class[nClassId], iStyle); psLayer->_class[nClassId]->styles[iStyle]->sizeunits = sizeunits; } msSLDParseStroke(psStroke, psLayer->_class[nClassId]->styles[iStyle], psLayer->map, 1); if (nOffsetX > 0 && nOffsetY > 0) { psLayer->_class[nClassId]->styles[iStyle]->offsetx = nOffsetX; psLayer->_class[nClassId]->styles[iStyle]->offsety = nOffsetY; } } return MS_SUCCESS; } /************************************************************************/ /* void msSLDParsePolygonFill(CPLXMLNode *psFill, styleObj *psStyle, */ /* mapObj *map) */ /* */ /* Parse the Fill node for a polygon into a style. */ /************************************************************************/ int msSLDParsePolygonFill(CPLXMLNode *psFill, styleObj *psStyle, mapObj *map) { CPLXMLNode *psCssParam, *psGraphicFill; char *psFillName = NULL; if (!psFill || !psStyle || !map) return MS_FAILURE; /* sets the default fill color defined in the spec #808080 */ psStyle->color.red = 128; psStyle->color.green = 128; psStyle->color.blue = 128; psCssParam = CPLGetXMLNode(psFill, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psFill, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { psFillName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (psFillName) { if (strcasecmp(psFillName, "fill") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_COLOR, MS_OBJ_STYLE); } } else if (strcasecmp(psFillName, "fill-opacity") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_OPACITY, MS_OBJ_STYLE); } } } psCssParam = psCssParam->psNext; } /* graphic fill and graphic stroke pare parsed the same way : */ /* TODO : It seems inconsistent to me since the only difference */ /* between them seems to be fill (fill) or not fill (stroke). And */ /* then again the fill parameter can be used inside both elements. */ psGraphicFill = CPLGetXMLNode(psFill, "GraphicFill"); if (psGraphicFill) msSLDParseGraphicFillOrStroke(psGraphicFill, NULL, psStyle, map); psGraphicFill = CPLGetXMLNode(psFill, "GraphicStroke"); if (psGraphicFill) msSLDParseGraphicFillOrStroke(psGraphicFill, NULL, psStyle, map); return MS_SUCCESS; } /************************************************************************/ /* msSLDParseGraphicFillOrStroke */ /* */ /* Parse the GraphicFill Or GraphicStroke node : look for a */ /* Marker symbol and set the style for that symbol. */ /************************************************************************/ int msSLDParseGraphicFillOrStroke(CPLXMLNode *psRoot, char *pszDashValue_unused, styleObj *psStyle, mapObj *map) { (void)pszDashValue_unused; CPLXMLNode *psCssParam, *psGraphic, *psExternalGraphic, *psMark, *psSize, *psGap, *psInitialGap; CPLXMLNode *psWellKnownName, *psStroke, *psFill; CPLXMLNode *psDisplacement = NULL, *psDisplacementX = NULL, *psDisplacementY = NULL; CPLXMLNode *psOpacity = NULL, *psRotation = NULL; char *psName = NULL, *psValue = NULL; char *pszSymbolName = NULL; int bFilled = 0; if (!psRoot || !psStyle || !map) return MS_FAILURE; /* ==================================================================== */ /* This a definition taken from the specification (11.3.2) : */ /* Graphics can either be referenced from an external URL in a common * format (such as*/ /* GIF or SVG) or may be derived from a Mark. Multiple external URLs and * marks may be*/ /* referenced with the semantic that they all provide the equivalent * graphic in different*/ /* formats. */ /* */ /* For this reason, we only need to support one Mark and one */ /* ExtrnalGraphic ???? */ /* ==================================================================== */ psGraphic = CPLGetXMLNode(psRoot, "Graphic"); if (psGraphic) { /* extract symbol size */ psSize = CPLGetXMLNode(psGraphic, "Size"); if (psSize && psSize->psChild) { msSLDParseOgcExpression(psSize->psChild, psStyle, MS_STYLE_BINDING_SIZE, MS_OBJ_STYLE); } else { /*do not set a default for external symbols #2305*/ psExternalGraphic = CPLGetXMLNode(psGraphic, "ExternalGraphic"); if (!psExternalGraphic) psStyle->size = 6; /* default value */ } /*SLD 1.1.0 extract opacity, rotation, displacement*/ psOpacity = CPLGetXMLNode(psGraphic, "Opacity"); if (psOpacity && psOpacity->psChild) { msSLDParseOgcExpression(psOpacity->psChild, psStyle, MS_STYLE_BINDING_OPACITY, MS_OBJ_STYLE); } psRotation = CPLGetXMLNode(psGraphic, "Rotation"); if (psRotation && psRotation->psChild) { msSLDParseOgcExpression(psRotation->psChild, psStyle, MS_STYLE_BINDING_ANGLE, MS_OBJ_STYLE); } psDisplacement = CPLGetXMLNode(psGraphic, "Displacement"); if (psDisplacement && psDisplacement->psChild) { psDisplacementX = CPLGetXMLNode(psDisplacement, "DisplacementX"); if (psDisplacementX && psDisplacementX->psChild) { msSLDParseOgcExpression(psDisplacementX->psChild, psStyle, MS_STYLE_BINDING_OFFSET_X, MS_OBJ_STYLE); } psDisplacementY = CPLGetXMLNode(psDisplacement, "DisplacementY"); if (psDisplacementY && psDisplacementY->psChild) { msSLDParseOgcExpression(psDisplacementY->psChild, psStyle, MS_STYLE_BINDING_OFFSET_Y, MS_OBJ_STYLE); } } /* extract symbol */ psMark = CPLGetXMLNode(psGraphic, "Mark"); if (psMark) { pszSymbolName = NULL; psWellKnownName = CPLGetXMLNode(psMark, "WellKnownName"); if (psWellKnownName && psWellKnownName->psChild && psWellKnownName->psChild->pszValue) pszSymbolName = msStrdup(psWellKnownName->psChild->pszValue); /* default symbol is square */ if (!pszSymbolName || !*pszSymbolName || (strcasecmp(pszSymbolName, "square") != 0 && strcasecmp(pszSymbolName, "circle") != 0 && strcasecmp(pszSymbolName, "triangle") != 0 && strcasecmp(pszSymbolName, "star") != 0 && strcasecmp(pszSymbolName, "cross") != 0 && strcasecmp(pszSymbolName, "x") != 0)) { if (!pszSymbolName || !*pszSymbolName || msGetSymbolIndex(&map->symbolset, pszSymbolName, MS_FALSE) < 0) { msFree(pszSymbolName); pszSymbolName = msStrdup("square"); } } /* check if the symbol should be filled or not */ psFill = CPLGetXMLNode(psMark, "Fill"); psStroke = CPLGetXMLNode(psMark, "Stroke"); if (psFill || psStroke) { if (psFill) bFilled = 1; else bFilled = 0; if (psFill) { psCssParam = CPLGetXMLNode(psFill, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psFill, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { psName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (psName && strcasecmp(psName, "fill") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_COLOR, MS_OBJ_STYLE); } } else if (psName && strcasecmp(psName, "fill-opacity") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { psValue = psCssParam->psChild->psNext->pszValue; if (psValue) { psStyle->color.alpha = (int)(atof(psValue) * 255); } } } psCssParam = psCssParam->psNext; } } if (psStroke) { psCssParam = CPLGetXMLNode(psStroke, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psStroke, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { psName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (psName && strcasecmp(psName, "stroke") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { if (bFilled) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_OUTLINECOLOR, MS_OBJ_STYLE); } else { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_COLOR, MS_OBJ_STYLE); } } } else if (psName && strcasecmp(psName, "stroke-opacity") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { psValue = psCssParam->psChild->psNext->pszValue; if (psValue) { if (bFilled) { psStyle->outlinecolor.alpha = (int)(atof(psValue) * 255); } else { psStyle->color.alpha = (int)(atof(psValue) * 255); } } } } else if (psName && strcasecmp(psName, "stroke-width") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psStyle, MS_STYLE_BINDING_WIDTH, MS_OBJ_STYLE); } } psCssParam = psCssParam->psNext; } } } /* set the default color if color is not not already set */ if ((psStyle->color.red < 0 || psStyle->color.green == -1 || psStyle->color.blue == -1) && (psStyle->outlinecolor.red == -1 || psStyle->outlinecolor.green == -1 || psStyle->outlinecolor.blue == -1)) { psStyle->color.red = 128; psStyle->color.green = 128; psStyle->color.blue = 128; } /* Get the corresponding symbol id */ psStyle->symbol = msSLDGetMarkSymbol(map, pszSymbolName, bFilled); if (psStyle->symbol > 0 && psStyle->symbol < map->symbolset.numsymbols) psStyle->symbolname = msStrdup(map->symbolset.symbol[psStyle->symbol]->name); } else { psExternalGraphic = CPLGetXMLNode(psGraphic, "ExternalGraphic"); if (psExternalGraphic) msSLDParseExternalGraphic(psExternalGraphic, psStyle, map); } msFree(pszSymbolName); } psGap = CPLGetXMLNode(psRoot, "Gap"); if (psGap && psGap->psChild && psGap->psChild->pszValue) { psStyle->gap = atof(psGap->psChild->pszValue); } psInitialGap = CPLGetXMLNode(psRoot, "InitialGap"); if (psInitialGap && psInitialGap->psChild && psInitialGap->psChild->pszValue) { psStyle->initialgap = atof(psInitialGap->psChild->pszValue); } return MS_SUCCESS; } /************************************************************************/ /* msSLDGetMarkSymbol */ /* */ /* Get a Mark symbol using the name. Mark symbols can be */ /* square, circle, triangle, star, cross, x. */ /* If the symbol does not exist add it to the symbol list. */ /************************************************************************/ int msSLDGetMarkSymbol(mapObj *map, char *pszSymbolName, int bFilled) { int nSymbolId = 0; symbolObj *psSymbol = NULL; if (!map || !pszSymbolName) return 0; if (strcasecmp(pszSymbolName, "square") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_SQUARE_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_SQUARE, MS_FALSE); } else if (strcasecmp(pszSymbolName, "circle") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_CIRCLE_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_CIRCLE, MS_FALSE); } else if (strcasecmp(pszSymbolName, "triangle") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_TRIANGLE_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_TRIANGLE, MS_FALSE); } else if (strcasecmp(pszSymbolName, "star") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_STAR_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_STAR, MS_FALSE); } else if (strcasecmp(pszSymbolName, "cross") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_CROSS_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_CROSS, MS_FALSE); } else if (strcasecmp(pszSymbolName, "x") == 0) { if (bFilled) nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_X_FILLED, MS_FALSE); else nSymbolId = msGetSymbolIndex(&map->symbolset, SLD_MARK_SYMBOL_X, MS_FALSE); } else { nSymbolId = msGetSymbolIndex(&map->symbolset, pszSymbolName, MS_FALSE); } if (nSymbolId <= 0) { if ((psSymbol = msGrowSymbolSet(&(map->symbolset))) == NULL) return 0; /* returns 0 for no symbol */ nSymbolId = map->symbolset.numsymbols; map->symbolset.numsymbols++; initSymbol(psSymbol); psSymbol->inmapfile = MS_TRUE; psSymbol->sizex = 1; psSymbol->sizey = 1; if (strcasecmp(pszSymbolName, "square") == 0) { if (bFilled) psSymbol->name = msStrdup(SLD_MARK_SYMBOL_SQUARE_FILLED); else psSymbol->name = msStrdup(SLD_MARK_SYMBOL_SQUARE); psSymbol->type = MS_SYMBOL_VECTOR; if (bFilled) psSymbol->filled = MS_TRUE; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; } else if (strcasecmp(pszSymbolName, "circle") == 0) { if (bFilled) psSymbol->name = msStrdup(SLD_MARK_SYMBOL_CIRCLE_FILLED); else psSymbol->name = msStrdup(SLD_MARK_SYMBOL_CIRCLE); psSymbol->type = MS_SYMBOL_ELLIPSE; if (bFilled) psSymbol->filled = MS_TRUE; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->sizex = 1; psSymbol->sizey = 1; psSymbol->numpoints++; } else if (strcasecmp(pszSymbolName, "triangle") == 0) { if (bFilled) psSymbol->name = msStrdup(SLD_MARK_SYMBOL_TRIANGLE_FILLED); else psSymbol->name = msStrdup(SLD_MARK_SYMBOL_TRIANGLE); psSymbol->type = MS_SYMBOL_VECTOR; if (bFilled) psSymbol->filled = MS_TRUE; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.5; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; } else if (strcasecmp(pszSymbolName, "star") == 0) { if (bFilled) psSymbol->name = msStrdup(SLD_MARK_SYMBOL_STAR_FILLED); else psSymbol->name = msStrdup(SLD_MARK_SYMBOL_STAR); psSymbol->type = MS_SYMBOL_VECTOR; if (bFilled) psSymbol->filled = MS_TRUE; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 0.375; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.35; psSymbol->points[psSymbol->numpoints].y = 0.375; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.5; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.65; psSymbol->points[psSymbol->numpoints].y = 0.375; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 0.375; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.75; psSymbol->points[psSymbol->numpoints].y = 0.625; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.875; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.5; psSymbol->points[psSymbol->numpoints].y = 0.75; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.125; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.25; psSymbol->points[psSymbol->numpoints].y = 0.625; psSymbol->numpoints++; } /* cross is like plus (+) since there is also X symbol ?? */ else if (strcasecmp(pszSymbolName, "cross") == 0) { /* NEVER FILL CROSS */ /* if (bFilled) */ /* psSymbol->name = msStrdup(SLD_MARK_SYMBOL_CROSS_FILLED); */ /* else */ psSymbol->name = msStrdup(SLD_MARK_SYMBOL_CROSS); psSymbol->type = MS_SYMBOL_VECTOR; /* if (bFilled) */ /* psSymbol->filled = MS_TRUE; */ psSymbol->points[psSymbol->numpoints].x = 0.5; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0.5; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = -99; psSymbol->points[psSymbol->numpoints].y = -99; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 0.5; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 0.5; psSymbol->numpoints++; } else if (strcasecmp(pszSymbolName, "x") == 0) { /* NEVER FILL X */ /* if (bFilled) */ /* psSymbol->name = msStrdup(SLD_MARK_SYMBOL_X_FILLED); */ /* else */ psSymbol->name = msStrdup(SLD_MARK_SYMBOL_X); psSymbol->type = MS_SYMBOL_VECTOR; /* if (bFilled) */ /* psSymbol->filled = MS_TRUE; */ psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = -99; psSymbol->points[psSymbol->numpoints].y = -99; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 0; psSymbol->points[psSymbol->numpoints].y = 1; psSymbol->numpoints++; psSymbol->points[psSymbol->numpoints].x = 1; psSymbol->points[psSymbol->numpoints].y = 0; psSymbol->numpoints++; } } return nSymbolId; } /************************************************************************/ /* msSLDGetGraphicSymbol */ /* */ /* Create a symbol entry for an inmap pixmap symbol. Returns */ /* the symbol id. */ /************************************************************************/ int msSLDGetGraphicSymbol(mapObj *map, char *pszFileName, char *extGraphicName, int nGap_ignored) { (void)nGap_ignored; int nSymbolId = 0; symbolObj *psSymbol = NULL; if (map && pszFileName) { if ((psSymbol = msGrowSymbolSet(&(map->symbolset))) == NULL) return 0; /* returns 0 for no symbol */ nSymbolId = map->symbolset.numsymbols; map->symbolset.numsymbols++; initSymbol(psSymbol); psSymbol->inmapfile = MS_TRUE; psSymbol->type = MS_SYMBOL_PIXMAP; psSymbol->name = msStrdup(extGraphicName); psSymbol->imagepath = msStrdup(pszFileName); psSymbol->full_pixmap_path = msStrdup(pszFileName); } return nSymbolId; } /************************************************************************/ /* msSLDParsePointSymbolizer */ /* */ /* Parse point symbolizer. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /************************************************************************/ int msSLDParsePointSymbolizer(CPLXMLNode *psRoot, layerObj *psLayer, int bNewClass, const char *pszUserStyleName) { int nClassId = 0; int iStyle = 0; if (!psRoot || !psLayer) return MS_FAILURE; nClassId = getClassId(psLayer, bNewClass, pszUserStyleName); if (nClassId < 0) return MS_FAILURE; // Get uom if any, defaults to MS_PIXELS enum MS_UNITS sizeunits = MS_PIXELS; if (msSLDParseUomAttribute(psRoot, &sizeunits) != MS_SUCCESS) { msSetError(MS_WMSERR, "Invalid uom attribute value.", "msSLDParsePolygonSymbolizer()"); return MS_FAILURE; } iStyle = psLayer->_class[nClassId]->numstyles; msMaybeAllocateClassStyle(psLayer->_class[nClassId], iStyle); psLayer->_class[nClassId]->styles[iStyle]->sizeunits = sizeunits; msSLDParseGraphicFillOrStroke( psRoot, NULL, psLayer->_class[nClassId]->styles[iStyle], psLayer->map); return MS_SUCCESS; } /************************************************************************/ /* msSLDParseExternalGraphic */ /* */ /* Parse external graphic node : download the symbol referenced */ /* by the URL and create a PIXMAP inmap symbol. Only GIF and */ /* PNG are supported. */ /************************************************************************/ int msSLDParseExternalGraphic(CPLXMLNode *psExternalGraphic, styleObj *psStyle, mapObj *map) { char *pszFormat = NULL; CPLXMLNode *psURL = NULL, *psFormat = NULL, *psTmp = NULL; char *pszURL = NULL; if (!psExternalGraphic || !psStyle || !map) return MS_FAILURE; psFormat = CPLGetXMLNode(psExternalGraphic, "Format"); if (psFormat && psFormat->psChild && psFormat->psChild->pszValue) pszFormat = psFormat->psChild->pszValue; /* supports GIF and PNG and SVG */ if (pszFormat && (strcasecmp(pszFormat, "GIF") == 0 || strcasecmp(pszFormat, "image/gif") == 0 || strcasecmp(pszFormat, "PNG") == 0 || strcasecmp(pszFormat, "image/png") == 0 || strcasecmp(pszFormat, "image/svg+xml") == 0)) { /* */ psURL = CPLGetXMLNode(psExternalGraphic, "OnlineResource"); if (psURL && psURL->psChild) { psTmp = psURL->psChild; while (psTmp != NULL && psTmp->pszValue && strcasecmp(psTmp->pszValue, "xlink:href") != 0) { psTmp = psTmp->psNext; } if (psTmp && psTmp->psChild) { pszURL = (char *)psTmp->psChild->pszValue; char *symbolurl = NULL; // Handle relative URL for ExternalGraphic if (map->sldurl && !strstr(pszURL, "://")) { char *baseurl = NULL; char *relpath = NULL; symbolurl = static_cast(malloc(sizeof(char) * MS_MAXPATHLEN)); if (pszURL[0] != '/') { // Symbol file is relative to SLD file // e.g. SLD : http://example.com/path/to/sld.xml // and symbol: assets/symbol.svg // lead to: http://example.com/path/to/assets/symbol.svg baseurl = msGetPath(map->sldurl); relpath = pszURL; } else { // Symbol file is relative to the root of SLD server // e.g. SLD : http://example.com/path/to/sld.xml // and symbol: /path/to/assets/symbol.svg // lead to: http://example.com/path/to/assets/symbol.svg baseurl = msStrdup(map->sldurl); relpath = pszURL + 1; char *sep = strstr(baseurl, "://"); if (sep) sep += 3; else sep = baseurl; sep = strchr(sep, '/'); if (!sep) sep = baseurl + strlen(baseurl); sep[1] = '\0'; } msBuildPath(symbolurl, baseurl, relpath); msFree(baseurl); } else { // Absolute URL // e.g. symbol: http://example.com/path/to/assets/symbol.svg symbolurl = msStrdup(pszURL); } /* validate the ExternalGraphic parameter */ if (msValidateParameter(symbolurl, msLookupHashTable(&(map->web.validation), "sld_external_graphic"), NULL, NULL, NULL) != MS_SUCCESS) { msSetError(MS_WEBERR, "SLD ExternalGraphic OnlineResource value fails to " "validate against sld_external_graphic VALIDATION", "mapserv()"); msFree(symbolurl); return MS_FAILURE; } /*external symbols using http will be automatically downloaded. The file should be saved in a temporary directory (msAddImageSymbol) #2305*/ psStyle->symbol = msGetSymbolIndex(&map->symbolset, symbolurl, MS_TRUE); msFree(symbolurl); if (psStyle->symbol > 0 && psStyle->symbol < map->symbolset.numsymbols) psStyle->symbolname = msStrdup(map->symbolset.symbol[psStyle->symbol]->name); /* set the color parameter if not set. Does not make sense */ /* for pixmap but mapserver needs it. */ if (psStyle->color.red == -1 || psStyle->color.green || psStyle->color.blue) { psStyle->color.red = 0; psStyle->color.green = 0; psStyle->color.blue = 0; } } } } return MS_SUCCESS; } /************************************************************************/ /* msSLDParseTextSymbolizer */ /* */ /* Parse text symbolizer. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* Four types of CssParameter are allowed, font-family, font-style,*/ /* fontweight,and font-size. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* The coordinates are given as two floating-point numbers in */ /* the AnchorPointX and AnchorPointY elements each with values */ /* between 0.0 and 1.0 inclusive. The bounding box of the label */ /* to be rendered is considered to be in a coorindate space */ /* from 0.0 (lowerleft corner) to 1.0 (upper-right corner), and */ /* the anchor position is specified as a point in this */ /* space. The default point is X=0, Y=0.5, which is at the */ /* middle height of the lefthand side of the label. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /************************************************************************/ int msSLDParseTextSymbolizer(CPLXMLNode *psRoot, layerObj *psLayer, int bOtherSymboliser, const char *pszUserStyleName) { int nStyleId = 0, nClassId = 0; if (!psRoot || !psLayer) return MS_FAILURE; if (!bOtherSymboliser) { if (msGrowLayerClasses(psLayer) == NULL) return MS_FAILURE; initClass(psLayer->_class[psLayer->numclasses]); nClassId = psLayer->numclasses; if (pszUserStyleName) psLayer->_class[nClassId]->group = msStrdup(pszUserStyleName); psLayer->numclasses++; msMaybeAllocateClassStyle(psLayer->_class[nClassId], 0); nStyleId = 0; } else { nClassId = psLayer->numclasses - 1; if (nClassId >= 0) /* should always be true */ nStyleId = psLayer->_class[nClassId]->numstyles - 1; } if (nStyleId >= 0 && nClassId >= 0) /* should always be true */ msSLDParseTextParams(psRoot, psLayer, psLayer->_class[nClassId]); return MS_SUCCESS; } /************************************************************************/ /* msSLDParseRasterSymbolizer */ /* */ /* Supports the ColorMap parameter in a Raster Symbolizer. In */ /* the ColorMap, only color and quantity are used here. */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* SLD 1.1 */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /* */ /************************************************************************/ int msSLDParseRasterSymbolizer(CPLXMLNode *psRoot, layerObj *psLayer, const char *pszUserStyleName) { CPLXMLNode *psColorMap = NULL, *psColorEntry = NULL, *psOpacity = NULL; char *pszColor = NULL, *pszQuantity = NULL; char *pszPreviousColor = NULL, *pszPreviousQuality = NULL; colorObj sColor; char szExpression[100]; double dfOpacity = 1.0; char *pszLabel = NULL, *pszPreviousLabel = NULL; char *pch = NULL, *pchPrevious = NULL; CPLXMLNode *psNode = NULL, *psCategorize = NULL; char *pszTmp = NULL; int nValues = 0, nThresholds = 0; int i, nMaxValues = 100, nMaxThreshold = 100; if (!psRoot || !psLayer) return MS_FAILURE; psOpacity = CPLGetXMLNode(psRoot, "Opacity"); if (psOpacity) { if (psOpacity->psChild && psOpacity->psChild->pszValue) dfOpacity = atof(psOpacity->psChild->pszValue); /* values in sld goes from 0.0 (for transparent) to 1.0 (for full opacity); */ if (dfOpacity >= 0.0 && dfOpacity <= 1.0) msSetLayerOpacity(psLayer, (int)(dfOpacity * 100)); else { msSetError(MS_WMSERR, "Invalid opacity value. Values should be between 0.0 and 1.0", "msSLDParseRasterSymbolizer()"); return MS_FAILURE; } } psColorMap = CPLGetXMLNode(psRoot, "ColorMap"); if (psColorMap) { psColorEntry = CPLGetXMLNode(psColorMap, "ColorMapEntry"); if (psColorEntry) { /*SLD 1.0*/ while (psColorEntry && psColorEntry->pszValue && strcasecmp(psColorEntry->pszValue, "ColorMapEntry") == 0) { pszColor = (char *)CPLGetXMLValue(psColorEntry, "color", NULL); pszQuantity = (char *)CPLGetXMLValue(psColorEntry, "quantity", NULL); pszLabel = (char *)CPLGetXMLValue(psColorEntry, "label", NULL); if (pszColor && pszQuantity) { if (pszPreviousColor && pszPreviousQuality) { if (strlen(pszPreviousColor) == 7 && pszPreviousColor[0] == '#' && strlen(pszColor) == 7 && pszColor[0] == '#') { sColor.red = msHexToInt(pszPreviousColor + 1); sColor.green = msHexToInt(pszPreviousColor + 3); sColor.blue = msHexToInt(pszPreviousColor + 5); /* pszQuantity and pszPreviousQuality may be integer or float */ pchPrevious = strchr(pszPreviousQuality, '.'); pch = strchr(pszQuantity, '.'); if (pchPrevious == NULL && pch == NULL) { snprintf(szExpression, sizeof(szExpression), "([pixel] >= %d AND [pixel] < %d)", atoi(pszPreviousQuality), atoi(pszQuantity)); } else if (pchPrevious != NULL && pch == NULL) { snprintf(szExpression, sizeof(szExpression), "([pixel] >= %f AND [pixel] < %d)", atof(pszPreviousQuality), atoi(pszQuantity)); } else if (pchPrevious == NULL && pch != NULL) { snprintf(szExpression, sizeof(szExpression), "([pixel] >= %d AND [pixel] < %f)", atoi(pszPreviousQuality), atof(pszQuantity)); } else { snprintf(szExpression, sizeof(szExpression), "([pixel] >= %f AND [pixel] < %f)", atof(pszPreviousQuality), atof(pszQuantity)); } if (msGrowLayerClasses(psLayer) == NULL) return MS_FAILURE; else { initClass(psLayer->_class[psLayer->numclasses]); psLayer->numclasses++; const int nClassId = psLayer->numclasses - 1; if (pszUserStyleName) psLayer->_class[nClassId]->group = msStrdup(pszUserStyleName); /*set the class name using the label. If label not defined set it with the quantity*/ if (pszPreviousLabel) psLayer->_class[nClassId]->name = msStrdup(pszPreviousLabel); else psLayer->_class[nClassId]->name = msStrdup(pszPreviousQuality); msMaybeAllocateClassStyle(psLayer->_class[nClassId], 0); psLayer->_class[nClassId]->styles[0]->color.red = sColor.red; psLayer->_class[nClassId]->styles[0]->color.green = sColor.green; psLayer->_class[nClassId]->styles[0]->color.blue = sColor.blue; if (!psLayer->classitem || strcasecmp(psLayer->classitem, "[pixel]") != 0) { free(psLayer->classitem); psLayer->classitem = msStrdup("[pixel]"); } msLoadExpressionString(&psLayer->_class[nClassId]->expression, szExpression); } } else { msSetError(MS_WMSERR, "Invalid ColorMap Entry.", "msSLDParseRasterSymbolizer()"); return MS_FAILURE; } } pszPreviousColor = pszColor; pszPreviousQuality = pszQuantity; pszPreviousLabel = pszLabel; } psColorEntry = psColorEntry->psNext; } /* do the last Color Map Entry */ if (pszColor && pszQuantity) { if (strlen(pszColor) == 7 && pszColor[0] == '#') { sColor.red = msHexToInt(pszColor + 1); sColor.green = msHexToInt(pszColor + 3); sColor.blue = msHexToInt(pszColor + 5); /* pszQuantity may be integer or float */ pch = strchr(pszQuantity, '.'); if (pch == NULL) { snprintf(szExpression, sizeof(szExpression), "([pixel] = %d)", atoi(pszQuantity)); } else { snprintf(szExpression, sizeof(szExpression), "([pixel] = %f)", atof(pszQuantity)); } if (msGrowLayerClasses(psLayer) == NULL) return MS_FAILURE; else { initClass(psLayer->_class[psLayer->numclasses]); psLayer->numclasses++; const int nClassId = psLayer->numclasses - 1; if (pszUserStyleName) psLayer->_class[nClassId]->group = msStrdup(pszUserStyleName); msMaybeAllocateClassStyle(psLayer->_class[nClassId], 0); if (pszLabel) psLayer->_class[nClassId]->name = msStrdup(pszLabel); else psLayer->_class[nClassId]->name = msStrdup(pszQuantity); psLayer->_class[nClassId]->numstyles = 1; psLayer->_class[nClassId]->styles[0]->color.red = sColor.red; psLayer->_class[nClassId]->styles[0]->color.green = sColor.green; psLayer->_class[nClassId]->styles[0]->color.blue = sColor.blue; if (!psLayer->classitem || strcasecmp(psLayer->classitem, "[pixel]") != 0) { free(psLayer->classitem); psLayer->classitem = msStrdup("[pixel]"); } msLoadExpressionString(&psLayer->_class[nClassId]->expression, szExpression); } } } } else if ((psCategorize = CPLGetXMLNode(psColorMap, "Categorize"))) { char **papszValues = (char **)msSmallMalloc(sizeof(char *) * nMaxValues); char **papszThresholds = (char **)msSmallMalloc(sizeof(char *) * nMaxThreshold); psNode = CPLGetXMLNode(psCategorize, "Value"); while (psNode && psNode->pszValue && psNode->psChild && psNode->psChild->pszValue) { if (strcasecmp(psNode->pszValue, "Value") == 0) { papszValues[nValues] = psNode->psChild->pszValue; nValues++; if (nValues == nMaxValues) { nMaxValues += 100; papszValues = (char **)msSmallRealloc(papszValues, sizeof(char *) * nMaxValues); } } else if (strcasecmp(psNode->pszValue, "Threshold") == 0) { papszThresholds[nThresholds] = psNode->psChild->pszValue; nThresholds++; if (nThresholds == nMaxThreshold) { nMaxThreshold += 100; papszThresholds = (char **)msSmallRealloc( papszThresholds, sizeof(char *) * nMaxThreshold); } } psNode = psNode->psNext; } if (nThresholds > 0 && nValues == nThresholds + 1) { /*free existing classes*/ for (i = 0; i < psLayer->numclasses; i++) { if (psLayer->_class[i] != NULL) { psLayer->_class[i]->layer = NULL; if (freeClass(psLayer->_class[i]) == MS_SUCCESS) { msFree(psLayer->_class[i]); psLayer->_class[i] = NULL; } } } psLayer->numclasses = 0; for (i = 0; i < nValues; i++) { pszTmp = (papszValues[i]); if (pszTmp && strlen(pszTmp) == 7 && pszTmp[0] == '#') { sColor.red = msHexToInt(pszTmp + 1); sColor.green = msHexToInt(pszTmp + 3); sColor.blue = msHexToInt(pszTmp + 5); if (i == 0) { if (strchr(papszThresholds[i], '.')) snprintf(szExpression, sizeof(szExpression), "([pixel] < %f)", atof(papszThresholds[i])); else snprintf(szExpression, sizeof(szExpression), "([pixel] < %d)", atoi(papszThresholds[i])); } else if (i < nValues - 1) { if (strchr(papszThresholds[i], '.')) snprintf(szExpression, sizeof(szExpression), "([pixel] >= %f AND [pixel] < %f)", atof(papszThresholds[i - 1]), atof(papszThresholds[i])); else snprintf(szExpression, sizeof(szExpression), "([pixel] >= %d AND [pixel] < %d)", atoi(papszThresholds[i - 1]), atoi(papszThresholds[i])); } else { if (strchr(papszThresholds[i - 1], '.')) snprintf(szExpression, sizeof(szExpression), "([pixel] >= %f)", atof(papszThresholds[i - 1])); else snprintf(szExpression, sizeof(szExpression), "([pixel] >= %d)", atoi(papszThresholds[i - 1])); } if (msGrowLayerClasses(psLayer)) { initClass(psLayer->_class[psLayer->numclasses]); psLayer->numclasses++; const int nClassId = psLayer->numclasses - 1; if (pszUserStyleName) psLayer->_class[nClassId]->group = msStrdup(pszUserStyleName); msMaybeAllocateClassStyle(psLayer->_class[nClassId], 0); psLayer->_class[nClassId]->numstyles = 1; psLayer->_class[nClassId]->styles[0]->color.red = sColor.red; psLayer->_class[nClassId]->styles[0]->color.green = sColor.green; psLayer->_class[nClassId]->styles[0]->color.blue = sColor.blue; if (psLayer->classitem && strcasecmp(psLayer->classitem, "[pixel]") != 0) free(psLayer->classitem); psLayer->classitem = msStrdup("[pixel]"); msLoadExpressionString(&psLayer->_class[nClassId]->expression, szExpression); } } } } msFree(papszValues); msFree(papszThresholds); } else { msSetError(MS_WMSERR, "Invalid SLD document. msSLDParseRaster", ""); return MS_FAILURE; } } return MS_SUCCESS; } /************************************************************************/ /* msSLDParseTextParams */ /* */ /* Parse text parameters like font, placement and color. */ /************************************************************************/ int msSLDParseTextParams(CPLXMLNode *psRoot, layerObj *psLayer, classObj *psClass) { char szFontName[100]; CPLXMLNode *psLabel = NULL, *psFont = NULL; CPLXMLNode *psCssParam = NULL; char *pszName = NULL, *pszFontFamily = NULL, *pszFontStyle = NULL; char *pszFontWeight = NULL; CPLXMLNode *psLabelPlacement = NULL, *psPointPlacement = NULL, *psLinePlacement = NULL; CPLXMLNode *psFill = NULL, *psHalo = NULL, *psHaloRadius = NULL, *psHaloFill = NULL; labelObj *psLabelObj = NULL; szFontName[0] = '\0'; if (!psRoot || !psClass || !psLayer) return MS_FAILURE; if (psClass->numlabels == 0) { if (msGrowClassLabels(psClass) == NULL) return (MS_FAILURE); initLabel(psClass->labels[0]); psClass->numlabels++; } psLabelObj = psClass->labels[0]; /*set the angle by default to auto. the angle can be modified Label Placement #2806*/ psLabelObj->anglemode = MS_AUTO; /* label */ /* support literal expression and propertyname - - Bug 1857 */ psLabel = CPLGetXMLNode(psRoot, "Label"); if (psLabel) { const char *sep = ""; msStringBuffer *classtext = msStringBufferAlloc(); msStringBufferAppend(classtext, "("); for (CPLXMLNode *psTmpNode = psLabel->psChild; psTmpNode; psTmpNode = psTmpNode->psNext) { if (psTmpNode->eType == CXT_Text && psTmpNode->pszValue) { msStringBufferAppend(classtext, sep); msStringBufferAppend(classtext, "\""); msStringBufferAppend(classtext, psTmpNode->pszValue); msStringBufferAppend(classtext, "\""); sep = "+"; } else if (psTmpNode->eType == CXT_Element && strcasecmp(psTmpNode->pszValue, "Literal") == 0 && psTmpNode->psChild) { msStringBufferAppend(classtext, sep); msStringBufferAppend(classtext, "\""); msStringBufferAppend(classtext, psTmpNode->psChild->pszValue); msStringBufferAppend(classtext, "\""); sep = "+"; } else if (psTmpNode->eType == CXT_Element && strcasecmp(psTmpNode->pszValue, "PropertyName") == 0 && psTmpNode->psChild) { msStringBufferAppend(classtext, sep); msStringBufferAppend(classtext, "\"["); msStringBufferAppend(classtext, psTmpNode->psChild->pszValue); msStringBufferAppend(classtext, "]\""); sep = "+"; } else if (psTmpNode->eType == CXT_Element && strcasecmp(psTmpNode->pszValue, "Function") == 0 && psTmpNode->psChild) { msStringBufferAppend(classtext, sep); msStringBufferAppend(classtext, "tostring("); labelObj tempExpressionCollector; initLabel(&tempExpressionCollector); msSLDParseOgcExpression(psTmpNode, &tempExpressionCollector, MS_LABEL_BINDING_SIZE, MS_OBJ_LABEL); msStringBufferAppend( classtext, tempExpressionCollector.exprBindings[MS_LABEL_BINDING_SIZE].string); freeLabel(&tempExpressionCollector); msStringBufferAppend(classtext, ",\"%g\")"); sep = "+"; } } msStringBufferAppend(classtext, ")"); const char *expressionstring = msStringBufferGetString(classtext); if (strlen(expressionstring) > 2) { msLoadExpressionString(&psClass->text, (char *)expressionstring); } msStringBufferFree(classtext); { /* font */ psFont = CPLGetXMLNode(psRoot, "Font"); if (psFont) { psCssParam = CPLGetXMLNode(psFont, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psFont, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { pszName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (pszName) { if (strcasecmp(pszName, "font-family") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext && psCssParam->psChild->psNext->pszValue) pszFontFamily = psCssParam->psChild->psNext->pszValue; } /* normal, italic, oblique */ else if (strcasecmp(pszName, "font-style") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext && psCssParam->psChild->psNext->pszValue) pszFontStyle = psCssParam->psChild->psNext->pszValue; } /* normal or bold */ else if (strcasecmp(pszName, "font-weight") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext && psCssParam->psChild->psNext->pszValue) pszFontWeight = psCssParam->psChild->psNext->pszValue; } /* default is 10 pix */ else if (strcasecmp(pszName, "font-size") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psLabelObj, MS_LABEL_BINDING_SIZE, MS_OBJ_LABEL); } } } psCssParam = psCssParam->psNext; } } /* -------------------------------------------------------------------- */ /* parse the label placement. */ /* -------------------------------------------------------------------- */ psLabelPlacement = CPLGetXMLNode(psRoot, "LabelPlacement"); if (psLabelPlacement) { psPointPlacement = CPLGetXMLNode(psLabelPlacement, "PointPlacement"); psLinePlacement = CPLGetXMLNode(psLabelPlacement, "LinePlacement"); if (psPointPlacement) ParseTextPointPlacement(psPointPlacement, psClass); if (psLinePlacement) ParseTextLinePlacement(psLinePlacement, psClass); } /* -------------------------------------------------------------------- */ /* build the font name using the font font-family, font-style */ /* and font-weight. The name building uses a - between these */ /* parameters and the resulting name is compared to the list of */ /* available fonts. If the name exists, it will be used else we */ /* go to the bitmap fonts. */ /* -------------------------------------------------------------------- */ if (pszFontFamily) { snprintf(szFontName, sizeof(szFontName), "%s", pszFontFamily); if (pszFontWeight && strcasecmp(pszFontWeight, "normal") != 0) { strlcat(szFontName, "-", sizeof(szFontName)); strlcat(szFontName, pszFontWeight, sizeof(szFontName)); } if (pszFontStyle && strcasecmp(pszFontStyle, "normal") != 0) { strlcat(szFontName, "-", sizeof(szFontName)); strlcat(szFontName, pszFontStyle, sizeof(szFontName)); } if ((msLookupHashTable(&(psLayer->map->fontset.fonts), szFontName) != NULL)) { psLabelObj->font = msStrdup(szFontName); } } /* -------------------------------------------------------------------- */ /* parse the halo parameter. */ /* -------------------------------------------------------------------- */ psHalo = CPLGetXMLNode(psRoot, "Halo"); if (psHalo) { psHaloRadius = CPLGetXMLNode(psHalo, "Radius"); if (psHaloRadius && psHaloRadius->psChild && psHaloRadius->psChild->pszValue) psLabelObj->outlinewidth = atoi(psHaloRadius->psChild->pszValue); psHaloFill = CPLGetXMLNode(psHalo, "Fill"); if (psHaloFill) { psCssParam = CPLGetXMLNode(psHaloFill, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psHaloFill, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { pszName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (pszName) { if (strcasecmp(pszName, "fill") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression( psCssParam->psChild->psNext, psLabelObj, MS_LABEL_BINDING_OUTLINECOLOR, MS_OBJ_LABEL); } } } psCssParam = psCssParam->psNext; } } } /* -------------------------------------------------------------------- */ /* Parse the color */ /* -------------------------------------------------------------------- */ psFill = CPLGetXMLNode(psRoot, "Fill"); if (psFill) { psCssParam = CPLGetXMLNode(psFill, "CssParameter"); /*sld 1.1 used SvgParameter*/ if (psCssParam == NULL) psCssParam = CPLGetXMLNode(psFill, "SvgParameter"); while (psCssParam && psCssParam->pszValue && (strcasecmp(psCssParam->pszValue, "CssParameter") == 0 || strcasecmp(psCssParam->pszValue, "SvgParameter") == 0)) { pszName = (char *)CPLGetXMLValue(psCssParam, "name", NULL); if (pszName) { if (strcasecmp(pszName, "fill") == 0) { if (psCssParam->psChild && psCssParam->psChild->psNext) { msSLDParseOgcExpression(psCssParam->psChild->psNext, psLabelObj, MS_LABEL_BINDING_COLOR, MS_OBJ_LABEL); } } } psCssParam = psCssParam->psNext; } } } } return MS_SUCCESS; } /************************************************************************/ /* ParseTextPointPlacement */ /* */ /* point placement node for the text symbolizer. */ /************************************************************************/ int ParseTextPointPlacement(CPLXMLNode *psRoot, classObj *psClass) { CPLXMLNode *psAnchor, *psAnchorX, *psAnchorY; CPLXMLNode *psDisplacement, *psDisplacementX, *psDisplacementY; CPLXMLNode *psRotation = NULL; labelObj *psLabelObj = NULL; if (!psRoot || !psClass) return MS_FAILURE; if (psClass->numlabels == 0) { if (msGrowClassLabels(psClass) == NULL) return (MS_FAILURE); initLabel(psClass->labels[0]); psClass->numlabels++; } psLabelObj = psClass->labels[0]; /* init the label with the default position */ psLabelObj->position = MS_CL; /* -------------------------------------------------------------------- */ /* parse anchor point. see function msSLDParseTextSymbolizer */ /* for documentation. */ /* -------------------------------------------------------------------- */ psAnchor = CPLGetXMLNode(psRoot, "AnchorPoint"); if (psAnchor) { psAnchorX = CPLGetXMLNode(psAnchor, "AnchorPointX"); psAnchorY = CPLGetXMLNode(psAnchor, "AnchorPointY"); /* psCssParam->psChild->psNext->pszValue) */ if (psAnchorX && psAnchorX->psChild && psAnchorX->psChild->pszValue && psAnchorY && psAnchorY->psChild && psAnchorY->psChild->pszValue) { const double dfAnchorX = atof(psAnchorX->psChild->pszValue); const double dfAnchorY = atof(psAnchorY->psChild->pszValue); if ((dfAnchorX == 0 || dfAnchorX == 0.5 || dfAnchorX == 1) && (dfAnchorY == 0 || dfAnchorY == 0.5 || dfAnchorY == 1)) { if (dfAnchorX == 0 && dfAnchorY == 0) psLabelObj->position = MS_LL; if (dfAnchorX == 0 && dfAnchorY == 0.5) psLabelObj->position = MS_CL; if (dfAnchorX == 0 && dfAnchorY == 1) psLabelObj->position = MS_UL; if (dfAnchorX == 0.5 && dfAnchorY == 0) psLabelObj->position = MS_LC; if (dfAnchorX == 0.5 && dfAnchorY == 0.5) psLabelObj->position = MS_CC; if (dfAnchorX == 0.5 && dfAnchorY == 1) psLabelObj->position = MS_UC; if (dfAnchorX == 1 && dfAnchorY == 0) psLabelObj->position = MS_LR; if (dfAnchorX == 1 && dfAnchorY == 0.5) psLabelObj->position = MS_CR; if (dfAnchorX == 1 && dfAnchorY == 1) psLabelObj->position = MS_UR; } } } /* -------------------------------------------------------------------- */ /* Parse displacement */ /* -------------------------------------------------------------------- */ psDisplacement = CPLGetXMLNode(psRoot, "Displacement"); if (psDisplacement) { psDisplacementX = CPLGetXMLNode(psDisplacement, "DisplacementX"); psDisplacementY = CPLGetXMLNode(psDisplacement, "DisplacementY"); /* psCssParam->psChild->psNext->pszValue) */ if (psDisplacementX && psDisplacementX->psChild && psDisplacementX->psChild->pszValue && psDisplacementY && psDisplacementY->psChild && psDisplacementY->psChild->pszValue) { psLabelObj->offsetx = atoi(psDisplacementX->psChild->pszValue); psLabelObj->offsety = atoi(psDisplacementY->psChild->pszValue); } } /* -------------------------------------------------------------------- */ /* parse rotation. */ /* -------------------------------------------------------------------- */ psRotation = CPLGetXMLNode(psRoot, "Rotation"); if (psRotation && psRotation->psChild) { msSLDParseOgcExpression(psRotation->psChild, psLabelObj, MS_LABEL_BINDING_ANGLE, MS_OBJ_LABEL); } return MS_SUCCESS; } /************************************************************************/ /* ParseTextLinePlacement */ /* */ /* Lineplacement node fro the text symbolizer. */ /************************************************************************/ int ParseTextLinePlacement(CPLXMLNode *psRoot, classObj *psClass) { CPLXMLNode *psOffset = NULL, *psAligned = NULL; labelObj *psLabelObj = NULL; if (!psRoot || !psClass) return MS_FAILURE; if (psClass->numlabels == 0) { if (msGrowClassLabels(psClass) == NULL) return (MS_FAILURE); initLabel(psClass->labels[0]); psClass->numlabels++; } psLabelObj = psClass->labels[0]; /*if there is a line placement, we will assume that the best setting for mapserver would be for the text to follow the line #2806*/ psLabelObj->anglemode = MS_FOLLOW; /*sld 1.1.0 has a parameter IsAligned. default value is true*/ psAligned = CPLGetXMLNode(psRoot, "IsAligned"); if (psAligned && psAligned->psChild && psAligned->psChild->pszValue && strcasecmp(psAligned->psChild->pszValue, "false") == 0) { psLabelObj->anglemode = MS_NONE; } psOffset = CPLGetXMLNode(psRoot, "PerpendicularOffset"); if (psOffset && psOffset->psChild && psOffset->psChild->pszValue) { psLabelObj->offsetx = atoi(psOffset->psChild->pszValue); psLabelObj->offsety = MS_LABEL_PERPENDICULAR_OFFSET; /*if there is a PerpendicularOffset, we will assume that the best setting for mapserver would be to use angle=0 and the the offset #2806*/ /* since sld 1.1.0 introduces the IsAligned parameter, only set the angles if the parameter is not set*/ if (!psAligned) { psLabelObj->anglemode = MS_NONE; psLabelObj->offsety = psLabelObj->offsetx; } } return MS_SUCCESS; } /************************************************************************/ /* void msSLDSetColorObject(char *psHexColor, colorObj */ /* *psColor) */ /* */ /* Utility function to extract rgb values from an hexadecimal */ /* color string (format is : #aaff08) and set it in the color */ /* object. */ /************************************************************************/ int msSLDSetColorObject(char *psHexColor, colorObj *psColor) { if (psHexColor && psColor && strlen(psHexColor) == 7 && psHexColor[0] == '#') { psColor->red = msHexToInt(psHexColor + 1); psColor->green = msHexToInt(psHexColor + 3); psColor->blue = msHexToInt(psHexColor + 5); } return MS_SUCCESS; } /* -------------------------------------------------------------------- */ /* client sld support functions */ /* -------------------------------------------------------------------- */ /************************************************************************/ /* msSLDGenerateSLD(mapObj *map, int iLayer) */ /* */ /* Return an SLD document for all layers that are on or */ /* default. The second argument should be set to -1 to generate */ /* on all layers. Or set to the layer index to generate an SLD */ /* for a specific layer. */ /* */ /* The caller should free the returned string. */ /************************************************************************/ char *msSLDGenerateSLD(mapObj *map, int iLayer, const char *pszVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) char szTmp[500]; int i = 0; char *pszTmp = NULL; char *pszSLD = NULL; char *schemalocation = NULL; int sld_version = OWS_VERSION_NOTSET; sld_version = msOWSParseVersionString(pszVersion); if (sld_version == OWS_VERSION_NOTSET || (sld_version != OWS_1_0_0 && sld_version != OWS_1_1_0)) sld_version = OWS_1_0_0; if (map) { schemalocation = msEncodeHTMLEntities(msOWSGetSchemasLocation(map)); if (sld_version == OWS_1_0_0) snprintf(szTmp, sizeof(szTmp), "\n", schemalocation); else snprintf(szTmp, sizeof(szTmp), "\n", schemalocation); free(schemalocation); pszSLD = msStringConcatenate(pszSLD, szTmp); if (iLayer < 0 || iLayer > map->numlayers - 1) { for (i = 0; i < map->numlayers; i++) { pszTmp = msSLDGenerateSLDLayer(GET_LAYER(map, i), sld_version); if (pszTmp) { pszSLD = msStringConcatenate(pszSLD, pszTmp); free(pszTmp); } } } else { pszTmp = msSLDGenerateSLDLayer(GET_LAYER(map, iLayer), sld_version); if (pszTmp) { pszSLD = msStringConcatenate(pszSLD, pszTmp); free(pszTmp); } } snprintf(szTmp, sizeof(szTmp), "%s", "\n"); pszSLD = msStringConcatenate(pszSLD, szTmp); } return pszSLD; #else msSetError(MS_MISCERR, "OWS support is not available.", "msSLDGenerateSLDLayer()"); return NULL; #endif } /************************************************************************/ /* msSLDGetGraphicSLD */ /* */ /* Get an SLD for a style containing a symbol (Mark or external). */ /************************************************************************/ char *msSLDGetGraphicSLD(styleObj *psStyle, layerObj *psLayer, int bNeedMarkSybol, int nVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) msStringBuffer *sldString = msStringBufferAlloc(); int nSymbol = -1; symbolObj *psSymbol = NULL; char szTmp[512]; char szFormat[4]; int i = 0, nLength = 0; int bColorAvailable = 0; int bGenerateDefaultSymbol = 0; char *pszSymbolName = NULL; char sNameSpace[10]; char sCssParam[30]; sCssParam[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sCssParam, "se:SvgParameter"); else strcpy(sCssParam, "CssParameter"); sNameSpace[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sNameSpace, "se:"); if (psStyle && psLayer && psLayer->map) { nSymbol = -1; if (psStyle->symbol > 0) nSymbol = psStyle->symbol; else if (psStyle->symbolname) nSymbol = msGetSymbolIndex(&psLayer->map->symbolset, psStyle->symbolname, MS_FALSE); bGenerateDefaultSymbol = 0; if (bNeedMarkSybol && (nSymbol <= 0 || nSymbol >= psLayer->map->symbolset.numsymbols)) bGenerateDefaultSymbol = 1; if (nSymbol > 0 && nSymbol < psLayer->map->symbolset.numsymbols) { psSymbol = psLayer->map->symbolset.symbol[nSymbol]; if (psSymbol->type == MS_SYMBOL_VECTOR || psSymbol->type == MS_SYMBOL_ELLIPSE) { /* Mark symbol */ if (psSymbol->name) { if (strcasecmp(psSymbol->name, "square") == 0 || strcasecmp(psSymbol->name, "circle") == 0 || strcasecmp(psSymbol->name, "triangle") == 0 || strcasecmp(psSymbol->name, "star") == 0 || strcasecmp(psSymbol->name, "cross") == 0 || strcasecmp(psSymbol->name, "x") == 0) pszSymbolName = msStrdup(psSymbol->name); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_square", 22) == 0) pszSymbolName = msStrdup("square"); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_triangle", 24) == 0) pszSymbolName = msStrdup("triangle"); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_circle", 22) == 0) pszSymbolName = msStrdup("circle"); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_star", 20) == 0) pszSymbolName = msStrdup("star"); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_cross", 21) == 0) pszSymbolName = msStrdup("cross"); else if (strncasecmp(psSymbol->name, "sld_mark_symbol_x", 17) == 0) pszSymbolName = msStrdup("X"); if (pszSymbolName) { colorObj sTmpFillColor = {128, 128, 128, 255}; colorObj sTmpStrokeColor = {0, 0, 0, 255}; int hasFillColor = 0; int hasStrokeColor = 0; snprintf(szTmp, sizeof(szTmp), "<%sGraphic>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sMark>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sWellKnownName>%s\n", sNameSpace, pszSymbolName, sNameSpace); msStringBufferAppend(sldString, szTmp); if (psStyle->color.red != -1 && psStyle->color.green != -1 && psStyle->color.blue != -1) { sTmpFillColor.red = psStyle->color.red; sTmpFillColor.green = psStyle->color.green; sTmpFillColor.blue = psStyle->color.blue; sTmpFillColor.alpha = psStyle->color.alpha; hasFillColor = 1; } if (psStyle->outlinecolor.red != -1 && psStyle->outlinecolor.green != -1 && psStyle->outlinecolor.blue != -1) { sTmpStrokeColor.red = psStyle->outlinecolor.red; sTmpStrokeColor.green = psStyle->outlinecolor.green; sTmpStrokeColor.blue = psStyle->outlinecolor.blue; sTmpStrokeColor.alpha = psStyle->outlinecolor.alpha; hasStrokeColor = 1; // Make defaults implicit if (sTmpStrokeColor.red == 0 && sTmpStrokeColor.green == 0 && sTmpStrokeColor.blue == 0 && sTmpStrokeColor.alpha == 255 && psStyle->width == 1) { hasStrokeColor = 0; } } if (!hasFillColor && !hasStrokeColor) { sTmpFillColor.red = 128; sTmpFillColor.green = 128; sTmpFillColor.blue = 128; sTmpFillColor.alpha = 255; hasFillColor = 1; } if (hasFillColor) { snprintf(szTmp, sizeof(szTmp), "<%sFill>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill\">#%02x%02x%02x\n", sCssParam, sTmpFillColor.red, sTmpFillColor.green, sTmpFillColor.blue, sCssParam); msStringBufferAppend(sldString, szTmp); if (sTmpFillColor.alpha != 255 && sTmpFillColor.alpha != -1) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill-opacity\">%.2f\n", sCssParam, (float)sTmpFillColor.alpha / 255.0, sCssParam); msStringBufferAppend(sldString, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } if (hasStrokeColor) { snprintf(szTmp, sizeof(szTmp), "<%sStroke>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke\">#%02x%02x%02x\n", sCssParam, sTmpStrokeColor.red, sTmpStrokeColor.green, sTmpStrokeColor.blue, sCssParam); msStringBufferAppend(sldString, szTmp); if (psStyle->width > 0) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-width\">%g\n", sCssParam, psStyle->width, sCssParam); msStringBufferAppend(sldString, szTmp); } if (sTmpStrokeColor.alpha != 255 && sTmpStrokeColor.alpha != -1) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-opacity\">%.2f\n", sCssParam, (float)sTmpStrokeColor.alpha / 255.0, sCssParam); msStringBufferAppend(sldString, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); if (psStyle->size > 0) { snprintf(szTmp, sizeof(szTmp), "<%sSize>%g\n", sNameSpace, psStyle->size, sNameSpace); msStringBufferAppend(sldString, szTmp); } if (fmod(psStyle->angle, 360)) { snprintf(szTmp, sizeof(szTmp), "<%sRotation>%g\n", sNameSpace, psStyle->angle, sNameSpace); msStringBufferAppend(sldString, szTmp); } // Style opacity is already reported to alpha channel of color and // outlinecolor if (psStyle->opacity < 100) // { // snprintf(szTmp, sizeof(szTmp), "<%sOpacity>%g\n", // sNameSpace, psStyle->opacity/100.0, sNameSpace); // pszSLD = msStringConcatenate(pszSLD, szTmp); // } if (psStyle->offsetx != 0 || psStyle->offsety != 0) { snprintf(szTmp, sizeof(szTmp), "<%sDisplacement>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sDisplacementX>%g\n", sNameSpace, psStyle->offsetx, sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sDisplacementY>%g\n", sNameSpace, psStyle->offsety, sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); if (pszSymbolName) free(pszSymbolName); } } else bGenerateDefaultSymbol = 1; } else if (psSymbol->type == MS_SYMBOL_PIXMAP || psSymbol->type == MS_SYMBOL_SVG) { if (psSymbol->name) { const char *pszURL = msLookupHashTable(&(psLayer->metadata), "WMS_SLD_SYMBOL_URL"); if (!pszURL) pszURL = msLookupHashTable(&(psLayer->map->web.metadata), "WMS_SLD_SYMBOL_URL"); if (pszURL) { snprintf(szTmp, sizeof(szTmp), "<%sGraphic>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sExternalGraphic>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sOnlineResource " "xmlns:xlink=\"http://www.w3.org/1999/xlink\" " "xlink:type=\"simple\" xlink:href=\"%s%s\"/>\n", sNameSpace, pszURL, psSymbol->imagepath); msStringBufferAppend(sldString, szTmp); /* TODO : extract format from symbol */ szFormat[0] = '\0'; nLength = strlen(psSymbol->imagepath); if (nLength > 3) { for (i = 0; i <= 2; i++) szFormat[2 - i] = psSymbol->imagepath[nLength - 1 - i]; szFormat[3] = '\0'; } if (strlen(szFormat) > 0 && ((strcasecmp(szFormat, "GIF") == 0) || (strcasecmp(szFormat, "PNG") == 0))) { if (strcasecmp(szFormat, "GIF") == 0) snprintf(szTmp, sizeof(szTmp), "<%sFormat>image/gif\n", sNameSpace, sNameSpace); else snprintf(szTmp, sizeof(szTmp), "<%sFormat>image/png\n", sNameSpace, sNameSpace); } else snprintf(szTmp, sizeof(szTmp), "<%sFormat>%s\n", sNameSpace, (psSymbol->type == MS_SYMBOL_SVG) ? "image/svg+xml" : "image/gif", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); if (psStyle->size > 0) snprintf(szTmp, sizeof(szTmp), "<%sSize>%g\n", sNameSpace, psStyle->size, sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } } } } if (bGenerateDefaultSymbol) { /* generate a default square symbol */ snprintf(szTmp, sizeof(szTmp), "<%sGraphic>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sMark>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sWellKnownName>%s\n", sNameSpace, "square", sNameSpace); msStringBufferAppend(sldString, szTmp); bColorAvailable = 0; if (psStyle->color.red != -1 && psStyle->color.green != -1 && psStyle->color.blue != -1) { snprintf(szTmp, sizeof(szTmp), "<%sFill>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill\">#%02x%02x%02x\n", sCssParam, psStyle->color.red, psStyle->color.green, psStyle->color.blue, sCssParam); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); bColorAvailable = 1; } if (psStyle->outlinecolor.red != -1 && psStyle->outlinecolor.green != -1 && psStyle->outlinecolor.blue != -1) { snprintf(szTmp, sizeof(szTmp), "<%sStroke>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%s name=\"Stroke\">#%02x%02x%02x\n", sCssParam, psStyle->outlinecolor.red, psStyle->outlinecolor.green, psStyle->outlinecolor.blue, sCssParam); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); bColorAvailable = 1; } if (!bColorAvailable) { /* default color */ snprintf(szTmp, sizeof(szTmp), "<%sFill>\n", sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill\">%s\n", sCssParam, "#808080", sCssParam); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); if (psStyle->size > 0) snprintf(szTmp, sizeof(szTmp), "<%sSize>%g\n", sNameSpace, psStyle->size, sNameSpace); else snprintf(szTmp, sizeof(szTmp), "<%sSize>%d\n", sNameSpace, 1, sNameSpace); msStringBufferAppend(sldString, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); msStringBufferAppend(sldString, szTmp); } } return msStringBufferReleaseStringAndFree(sldString); #else return NULL; #endif } /************************************************************************/ /* msSLDGenerateLineSLD */ /* */ /* Generate SLD for a Line layer. */ /************************************************************************/ char *msSLDGenerateLineSLD(styleObj *psStyle, layerObj *psLayer, int nVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) char *pszSLD = NULL; char szTmp[100]; char szHexColor[7]; int nSymbol = -1; int i = 0; double dfSize = 1.0; char *pszDashArray = NULL; char *pszGraphicSLD = NULL; char sCssParam[30]; char sNameSpace[10]; if (msCheckParentPointer(psLayer->map, "map") == MS_FAILURE) return NULL; sCssParam[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sCssParam, "se:SvgParameter"); else strcpy(sCssParam, "CssParameter"); sNameSpace[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sNameSpace, "se:"); snprintf(szTmp, sizeof(szTmp), "<%sLineSymbolizer>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); snprintf(szTmp, sizeof(szTmp), "<%sStroke>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); pszGraphicSLD = msSLDGetGraphicSLD(psStyle, psLayer, 0, nVersion); if (pszGraphicSLD) { snprintf(szTmp, sizeof(szTmp), "<%sGraphicStroke>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); pszSLD = msStringConcatenate(pszSLD, pszGraphicSLD); if (nVersion >= OWS_1_1_0) { if (psStyle->gap > 0) { snprintf(szTmp, sizeof(szTmp), "<%sGap>%.2f\n", sNameSpace, psStyle->gap, sNameSpace); } if (psStyle->initialgap > 0) { snprintf(szTmp, sizeof(szTmp), "<%sInitialGap>%.2f\n", sNameSpace, psStyle->initialgap, sNameSpace); } } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); free(pszGraphicSLD); pszGraphicSLD = NULL; } if (psStyle->color.red != -1 && psStyle->color.green != -1 && psStyle->color.blue != -1) snprintf(szHexColor, sizeof(szHexColor), "%02x%02x%02x", psStyle->color.red, psStyle->color.green, psStyle->color.blue); else snprintf(szHexColor, sizeof(szHexColor), "%02x%02x%02x", psStyle->outlinecolor.red, psStyle->outlinecolor.green, psStyle->outlinecolor.blue); snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke\">#%s\n", sCssParam, szHexColor, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); if (psStyle->color.alpha != 255 && psStyle->color.alpha != -1) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-opacity\">%.2f\n", sCssParam, (float)psStyle->color.alpha / 255.0, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); } nSymbol = -1; if (psStyle->symbol >= 0) nSymbol = psStyle->symbol; else if (psStyle->symbolname) nSymbol = msGetSymbolIndex(&psLayer->map->symbolset, psStyle->symbolname, MS_FALSE); if (nSymbol < 0) dfSize = 1.0; else { if (psStyle->size > 0) dfSize = psStyle->size; else if (psStyle->width > 0) dfSize = psStyle->width; else dfSize = 1; } snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-width\">%.2f\n", sCssParam, dfSize, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); /* -------------------------------------------------------------------- */ /* dash array */ /* -------------------------------------------------------------------- */ if (psStyle->patternlength > 0) { for (i = 0; i < psStyle->patternlength; i++) { snprintf(szTmp, sizeof(szTmp), "%.2f ", psStyle->pattern[i]); pszDashArray = msStringConcatenate(pszDashArray, szTmp); } // remove the final trailing space from the last pattern value msStringTrimBlanks(pszDashArray); snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-dasharray\">%s\n", sCssParam, pszDashArray, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); msFree(pszDashArray); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); return pszSLD; #else return NULL; #endif } /************************************************************************/ /* msSLDGeneratePolygonSLD */ /* */ /* Generate SLD for a Polygon layer. */ /************************************************************************/ char *msSLDGeneratePolygonSLD(styleObj *psStyle, layerObj *psLayer, int nVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) char szTmp[100]; char *pszSLD = NULL; char szHexColor[7]; double dfSize; char sCssParam[30]; char sNameSpace[10]; sCssParam[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sCssParam, "se:SvgParameter"); else strcpy(sCssParam, "CssParameter"); sNameSpace[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sNameSpace, "se:"); snprintf(szTmp, sizeof(szTmp), "<%sPolygonSymbolizer>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); /* fill */ if (psStyle->color.red != -1 && psStyle->color.green != -1 && psStyle->color.blue != -1) { snprintf(szTmp, sizeof(szTmp), "<%sFill>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); char *pszGraphicSLD = msSLDGetGraphicSLD(psStyle, psLayer, 0, nVersion); if (pszGraphicSLD) { snprintf(szTmp, sizeof(szTmp), "<%sGraphicFill>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); pszSLD = msStringConcatenate(pszSLD, pszGraphicSLD); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); free(pszGraphicSLD); } snprintf(szHexColor, sizeof(szHexColor), "%02x%02x%02x", psStyle->color.red, psStyle->color.green, psStyle->color.blue); snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill\">#%s\n", sCssParam, szHexColor, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); if (psStyle->color.alpha != 255 && psStyle->color.alpha != -1) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"fill-opacity\">%.2f\n", sCssParam, (float)psStyle->color.alpha / 255, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); } /* stroke */ if (psStyle->outlinecolor.red != -1 && psStyle->outlinecolor.green != -1 && psStyle->outlinecolor.blue != -1) { snprintf(szTmp, sizeof(szTmp), "<%sStroke>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); /* If there is a symbol to be used for stroke, the color in the */ /* style should be set to -1. Else It won't apply here. */ if (psStyle->color.red == -1 && psStyle->color.green == -1 && psStyle->color.blue == -1) { char *pszGraphicSLD = msSLDGetGraphicSLD(psStyle, psLayer, 0, nVersion); if (pszGraphicSLD) { snprintf(szTmp, sizeof(szTmp), "<%sGraphicFill>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); pszSLD = msStringConcatenate(pszSLD, pszGraphicSLD); snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); free(pszGraphicSLD); } } snprintf(szHexColor, sizeof(szHexColor), "%02x%02x%02x", psStyle->outlinecolor.red, psStyle->outlinecolor.green, psStyle->outlinecolor.blue); snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke\">#%s\n", sCssParam, szHexColor, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); dfSize = 1.0; if (psStyle->size > 0) dfSize = psStyle->size; else if (psStyle->width > 0) dfSize = psStyle->width; snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-width\">%.2f\n", sCssParam, dfSize, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); if (psStyle->outlinecolor.alpha != 255 && psStyle->outlinecolor.alpha != -1) { snprintf(szTmp, sizeof(szTmp), "<%s name=\"stroke-opacity\">%.2f\n", sCssParam, psStyle->outlinecolor.alpha / 255.0, sCssParam); pszSLD = msStringConcatenate(pszSLD, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); return pszSLD; #else return NULL; #endif } /************************************************************************/ /* msSLDGeneratePointSLD */ /* */ /* Generate SLD for a Point layer. */ /************************************************************************/ char *msSLDGeneratePointSLD(styleObj *psStyle, layerObj *psLayer, int nVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) char *pszSLD = NULL; char *pszGraphicSLD = NULL; char szTmp[100]; char sNameSpace[10]; sNameSpace[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sNameSpace, "se:"); snprintf(szTmp, sizeof(szTmp), "<%sPointSymbolizer>\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); pszGraphicSLD = msSLDGetGraphicSLD(psStyle, psLayer, 1, nVersion); if (pszGraphicSLD) { pszSLD = msStringConcatenate(pszSLD, pszGraphicSLD); free(pszGraphicSLD); } snprintf(szTmp, sizeof(szTmp), "\n", sNameSpace); pszSLD = msStringConcatenate(pszSLD, szTmp); return pszSLD; #else return NULL; #endif } /************************************************************************/ /* msSLDGenerateTextSLD */ /* */ /* Generate a TextSymboliser SLD xml based on the class's label */ /* object. */ /************************************************************************/ char *msSLDGenerateTextSLD(classObj *psClass, layerObj *psLayer, int nVersion) { #if defined(USE_WMS_SVR) || defined(USE_WFS_SVR) || defined(USE_WCS_SVR) || \ defined(USE_SOS_SVR) char *pszSLD = NULL; char szTmp[1000]; char **aszFontsParts = NULL; int nFontParts = 0; char szHexColor[7]; double dfAnchorX = 0.5, dfAnchorY = 0.5; int i = 0; int lid; char sCssParam[30]; char sNameSpace[10]; labelObj *psLabelObj = NULL; sCssParam[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sCssParam, "se:SvgParameter"); else strcpy(sCssParam, "CssParameter"); sNameSpace[0] = '\0'; if (nVersion > OWS_1_0_0) strcpy(sNameSpace, "se:"); if (!psLayer || !psClass) return pszSLD; for (lid = 0; lid < psClass->numlabels; lid++) { char *psLabelText; expressionObj psLabelExpr; parseObj p; msInitExpression(&psLabelExpr); psLabelObj = psClass->labels[lid]; if (psLabelObj->text.string) { psLabelExpr.string = msStrdup(psLabelObj->text.string); psLabelExpr.type = psLabelObj->text.type; } else if (psClass->text.string) { psLabelExpr.string = msStrdup(psClass->text.string); psLabelExpr.type = psClass->text.type; } else if (psLayer->labelitem) { psLabelExpr.string = msStrdup(psLayer->labelitem); psLabelExpr.type = MS_STRING; } else { msFreeExpression(&psLabelExpr); continue; // Can't find text content for this