int layerObj_whichShapes(layerObj *self, rectObj *poRect) { int oldconnectiontype = self->connectiontype; self->connectiontype = MS_INLINE; if(msLayerWhichItems(self, MS_FALSE, NULL) != MS_SUCCESS) { self->connectiontype = oldconnectiontype; return MS_FAILURE; } self->connectiontype = oldconnectiontype; return msLayerWhichShapes(self, *poRect, MS_FALSE); }
int KmlRenderer::startNewLayer(imageObj *img, layerObj *layer) { char *layerName=NULL; const char *value=NULL; LayerNode = xmlNewNode(NULL, BAD_CAST "Folder"); layerName = getLayerName(layer); xmlNewChild(LayerNode, NULL, BAD_CAST "name", BAD_CAST layerName); msFree(layerName); const char *layerVisibility = layer->status != MS_OFF ? "1" : "0"; xmlNewChild(LayerNode, NULL, BAD_CAST "visibility", BAD_CAST layerVisibility); const char *layerDsiplayFolder = msLookupHashTable(&(layer->metadata), "kml_folder_display"); if (layerDsiplayFolder == NULL) layerDsiplayFolder = msLookupHashTable(&(layer->map->web.metadata), "kml_folder_display"); if (!layerDsiplayFolder || strlen(layerDsiplayFolder)<=0) { xmlNewChild(LayerNode, NULL, BAD_CAST "styleUrl", BAD_CAST "#LayerFolder_check"); } else { if (strcasecmp(layerDsiplayFolder, "checkHideChildren") == 0) xmlNewChild(LayerNode, NULL, BAD_CAST "styleUrl", BAD_CAST "#LayerFolder_checkHideChildren"); else if (strcasecmp(layerDsiplayFolder, "checkOffOnly") == 0) xmlNewChild(LayerNode, NULL, BAD_CAST "styleUrl", BAD_CAST "#LayerFolder_checkOffOnly"); else if (strcasecmp(layerDsiplayFolder, "radioFolder") == 0) xmlNewChild(LayerNode, NULL, BAD_CAST "styleUrl", BAD_CAST "#LayerFolder_radioFolder"); else xmlNewChild(LayerNode, NULL, BAD_CAST "styleUrl", BAD_CAST "#LayerFolder_check"); } /*Init few things on the first layer*/ if (FirstLayer) { FirstLayer = MS_FALSE; map = layer->map; if (layer->map->mappath) snprintf(MapPath, sizeof(MapPath), "%s", layer->map->mappath); /*First rendered layer - check mapfile projection*/ checkProjection(layer->map); /*check for image path and image url*/ if (layer->map->debug && (layer->map->web.imageurl == NULL || layer->map->web.imagepath == NULL)) msDebug("KmlRenderer::startNewLayer: imagepath and imageurl should be set in the web object\n"); /*map rect for ground overlay*/ MapExtent = layer->map->extent; MapCellsize = layer->map->cellsize; BgColor = layer->map->imagecolor; xmlNewChild(DocNode, NULL, BAD_CAST "name", BAD_CAST layer->map->name); aggFormat = msSelectOutputFormat( layer->map, "png24"); aggFormat->transparent = MS_TRUE; } currentLayer = layer; if (!msLayerIsOpen(layer)) { if (msLayerOpen(layer) != MS_SUCCESS) { msSetError(MS_MISCERR, "msLayerOpen failed", "KmlRenderer::startNewLayer" ); return MS_FAILURE; } } /*pre process the layer to set things that make sense for kml output*/ if (img) processLayer(layer, img->format); else processLayer(layer, NULL); if (msLookupHashTable(&layer->metadata, "kml_description")) pszLayerDescMetadata = msLookupHashTable(&layer->metadata, "kml_description"); else if (msLookupHashTable(&layer->metadata, "ows_description")) pszLayerDescMetadata = msLookupHashTable(&layer->metadata, "ows_description"); value=msLookupHashTable(&layer->metadata, "kml_include_items"); if (!value) value=msLookupHashTable(&layer->metadata, "ows_include_items"); if (value) papszLayerIncludeItems = msStringSplit(value, ',', &nIncludeItems); value=msLookupHashTable(&layer->metadata, "kml_exclude_items"); if (!value) value=msLookupHashTable(&layer->metadata, "ows_exclude_items"); if (value) papszLayerExcludeItems = msStringSplit(value, ',', &nExcludeItems); if (msLookupHashTable(&layer->metadata, "kml_name_item")) pszLayerNameAttributeMetadata = msLookupHashTable(&layer->metadata, "kml_name_item"); /*get all attributes*/ if(msLayerWhichItems(layer, MS_TRUE, NULL) != MS_SUCCESS) { return MS_FAILURE; } NumItems = layer->numitems; if (NumItems) { Items = (char **)msSmallCalloc(NumItems, sizeof(char *)); for (int i=0; i<NumItems; i++) Items[i] = msStrdup(layer->items[i]); } const char* elevationAttribute = msLookupHashTable(&layer->metadata, "kml_elevation_attribute"); if( elevationAttribute ) { mElevationFromAttribute = true; for( int i = 0; i < layer->numitems; ++i ) { if( strcasecmp( layer->items[i], elevationAttribute ) == 0 ) { mElevationAttributeIndex = i; } } } setupRenderingParams(&layer->metadata); return MS_SUCCESS; }
/** * Generic function to render chart layers. */ int msDrawChartLayer(mapObj *map, layerObj *layer, imageObj *image) { rectObj searchrect; const char *chartTypeProcessingKey=msLayerGetProcessingKey( layer,"CHART_TYPE" ); int chartType=MS_CHART_TYPE_PIE; int status = MS_FAILURE; if (image && map && layer) { if( !(MS_RENDERER_PLUGIN(image->format) )) { msSetError(MS_MISCERR, "chart drawing currently only supports GD and AGG renderers", "msDrawChartLayer()"); return MS_FAILURE; } if( layer->numclasses < 2 ) { msSetError(MS_MISCERR,"chart drawing requires at least 2 classes in layer", "msDrawChartLayer()"); return MS_FAILURE; } if(chartTypeProcessingKey!=NULL) { if( strcasecmp(chartTypeProcessingKey,"PIE") == 0 ) { chartType=MS_CHART_TYPE_PIE; } else if( strcasecmp(chartTypeProcessingKey,"BAR") == 0 ) { chartType=MS_CHART_TYPE_BAR; } else if( strcasecmp(chartTypeProcessingKey,"VBAR") == 0 ) { chartType=MS_CHART_TYPE_VBAR; } else { msSetError(MS_MISCERR,"unknown chart type for processing key \"CHART_TYPE\", must be one of \"PIE\" or \"BAR\"", "msDrawChartLayer()"); return MS_FAILURE; } } if(chartType == MS_CHART_TYPE_PIE) { pieLayerProcessDynamicDiameter(layer); } /* open this layer */ status = msLayerOpen(layer); if(status != MS_SUCCESS) return MS_FAILURE; status = msLayerWhichItems(layer, MS_FALSE, NULL); if(status != MS_SUCCESS) { msLayerClose(layer); return MS_FAILURE; } /* identify target shapes */ if(layer->transform == MS_TRUE) searchrect = map->extent; else { searchrect.minx = searchrect.miny = 0; searchrect.maxx = map->width-1; searchrect.maxy = map->height-1; } #ifdef USE_PROJ if((map->projection.numargs > 0) && (layer->projection.numargs > 0)) msProjectRect(&map->projection, &layer->projection, &searchrect); /* project the searchrect to source coords */ #endif status = msLayerWhichShapes(layer, searchrect, MS_FALSE); if(status == MS_DONE) { /* no overlap */ msLayerClose(layer); return MS_SUCCESS; } else if(status != MS_SUCCESS) { msLayerClose(layer); return MS_FAILURE; } switch(chartType) { case MS_CHART_TYPE_PIE: status = msDrawPieChartLayer(map, layer, image); break; case MS_CHART_TYPE_BAR: status = msDrawBarChartLayer(map, layer, image); break; case MS_CHART_TYPE_VBAR: status = msDrawVBarChartLayer(map, layer, image); break; default: return MS_FAILURE;/*shouldn't be here anyways*/ } msLayerClose(layer); } return status; }