| 303 | } |
| 304 | |
| 305 | int msAddLabel(mapObj *map, int layerindex, int classindex, shapeObj *shape, pointObj *point, labelPathObj *labelpath, char *string, double featuresize, labelObj *label ) |
| 306 | { |
| 307 | int i; |
| 308 | labelCacheSlotObj *cacheslot; |
| 309 | |
| 310 | labelCacheMemberObj *cachePtr=NULL; |
| 311 | layerObj *layerPtr=NULL; |
| 312 | classObj *classPtr=NULL; |
| 313 | |
| 314 | if(!string) return(MS_SUCCESS); /* not an error */ |
| 315 | |
| 316 | layerPtr = (GET_LAYER(map, layerindex)); /* set up a few pointers for clarity */ |
| 317 | classPtr = GET_LAYER(map, layerindex)->class[classindex]; |
| 318 | |
| 319 | if( label == NULL ) |
| 320 | label = &(classPtr->label); |
| 321 | |
| 322 | if(map->scaledenom > 0) { |
| 323 | if((label->maxscaledenom != -1) && (map->scaledenom >= label->maxscaledenom)) |
| 324 | return(MS_SUCCESS); |
| 325 | if((label->minscaledenom != -1) && (map->scaledenom < label->minscaledenom)) |
| 326 | return(MS_SUCCESS); |
| 327 | } |
| 328 | |
| 329 | /* Validate label priority value and get ref on label cache for it */ |
| 330 | if (label->priority < 1) |
| 331 | label->priority = 1; |
| 332 | else if (label->priority > MS_MAX_LABEL_PRIORITY) |
| 333 | label->priority = MS_MAX_LABEL_PRIORITY; |
| 334 | |
| 335 | cacheslot = &(map->labelcache.slots[label->priority-1]); |
| 336 | |
| 337 | if(cacheslot->numlabels == cacheslot->cachesize) { /* just add it to the end */ |
| 338 | cacheslot->labels = (labelCacheMemberObj *) realloc(cacheslot->labels, sizeof(labelCacheMemberObj)*(cacheslot->cachesize+MS_LABELCACHEINCREMENT)); |
| 339 | MS_CHECK_ALLOC(cacheslot->labels, sizeof(labelCacheMemberObj)*(cacheslot->cachesize+MS_LABELCACHEINCREMENT), MS_FAILURE); |
| 340 | cacheslot->cachesize += MS_LABELCACHEINCREMENT; |
| 341 | } |
| 342 | |
| 343 | cachePtr = &(cacheslot->labels[cacheslot->numlabels]); |
| 344 | |
| 345 | cachePtr->layerindex = layerindex; /* so we can get back to this *raw* data if necessary */ |
| 346 | cachePtr->classindex = classindex; |
| 347 | |
| 348 | if(shape) { |
| 349 | cachePtr->tileindex = shape->tileindex; |
| 350 | cachePtr->shapeindex = shape->index; |
| 351 | cachePtr->shapetype = shape->type; |
| 352 | } else { |
| 353 | cachePtr->tileindex = cachePtr->shapeindex = -1; |
| 354 | cachePtr->shapetype = MS_SHAPE_POINT; |
| 355 | } |
| 356 | |
| 357 | /* Store the label point or the label path (Bug #1620) */ |
| 358 | if ( point ) { |
| 359 | cachePtr->point = *point; /* the actual label point */ |
| 360 | cachePtr->point.x = MS_NINT(cachePtr->point.x); |
| 361 | cachePtr->point.y = MS_NINT(cachePtr->point.y); |
| 362 | cachePtr->labelpath = NULL; |
no test coverage detected