TopographyFile::TopographyFile(struct zzip_dir *_dir, const char *filename,
fixed _threshold,
fixed _label_threshold,
fixed _important_label_threshold,
const Color _color,
int _label_field,
ResourceId _icon, ResourceId _big_icon,
unsigned _pen_width)
:dir(_dir), first(NULL),
label_field(_label_field), icon(_icon), big_icon(_big_icon),
pen_width(_pen_width),
color(_color), scale_threshold(_threshold),
label_threshold(_label_threshold),
important_label_threshold(_important_label_threshold),
cache_bounds(GeoBounds::Invalid())
{
if (msShapefileOpen(&file, "rb", dir, filename, 0) == -1)
return;
if (file.numshapes == 0) {
msShapefileClose(&file);
return;
}
shapes.ResizeDiscard(file.numshapes);
std::fill(shapes.begin(), shapes.end(), ShapeList(NULL));
if (dir != NULL)
++dir->refcount;
++serial;
}
TopographyFile::TopographyFile(struct zzip_dir *_dir, const char *filename,
fixed _threshold,
fixed _label_threshold,
fixed _important_label_threshold,
const Color thecolor,
int _label_field, int _icon,
int _pen_width)
:dir(_dir), first(NULL),
label_field(_label_field), icon(_icon),
pen_width(_pen_width),
color(thecolor), scale_threshold(_threshold),
label_threshold(_label_threshold),
important_label_threshold(_important_label_threshold)
{
if (msShapefileOpen(&file, "rb", dir, filename, 0) == -1)
return;
if (file.numshapes == 0) {
msShapefileClose(&file);
return;
}
shapes.resize_discard(file.numshapes);
std::fill(shapes.begin(), shapes.end(), ShapeList(NULL));
if (dir != NULL)
++dir->refcount;
cache_bounds.west = cache_bounds.east =
cache_bounds.south = cache_bounds.north = Angle::zero();
}
TopographyFile::TopographyFile(zzip_dir *_dir, const char *filename,
double _threshold,
double _label_threshold,
double _important_label_threshold,
const Color _color,
int _label_field,
ResourceId _icon, ResourceId _big_icon,
unsigned _pen_width)
:dir(_dir), first(nullptr),
label_field(_label_field), icon(_icon), big_icon(_big_icon),
pen_width(_pen_width),
color(_color), scale_threshold(_threshold),
label_threshold(_label_threshold),
important_label_threshold(_important_label_threshold),
cache_bounds(GeoBounds::Invalid())
{
if (msShapefileOpen(&file, "rb", dir, filename, 0) == -1)
return;
if (file.numshapes == 0) {
msShapefileClose(&file);
return;
}
const auto file_bounds = ImportRect(file.bounds);
if (!file_bounds.Check()) {
/* malformed bounds */
msShapefileClose(&file);
return;
}
center = file_bounds.GetCenter();
shapes.ResizeDiscard(file.numshapes);
std::fill(shapes.begin(), shapes.end(), ShapeList(nullptr));
if (dir != nullptr)
++dir->refcount;
++serial;
}
int msUVRASTERLayerGetExtent(layerObj *layer, rectObj *extent)
{
char szPath[MS_MAXPATHLEN];
mapObj *map = layer->map;
double adfGeoTransform[6];
int nXSize, nYSize;
GDALDatasetH hDS;
shapefileObj *tileshpfile;
int tilelayerindex = -1;
CPLErr eErr = CE_Failure;
char *decrypted_path;
if( (!layer->data || strlen(layer->data) == 0)
&& layer->tileindex == NULL) {
/* should we be issuing a specific error about not supporting
extents for tileindexed raster layers? */
return MS_FAILURE;
}
if( map == NULL )
return MS_FAILURE;
/* If the layer use a tileindex, return the extent of the tileindex shapefile/referenced layer */
if (layer->tileindex) {
tilelayerindex = msGetLayerIndex(map, layer->tileindex);
if(tilelayerindex != -1) /* does the tileindex reference another layer */
return msLayerGetExtent(GET_LAYER(map, tilelayerindex), extent);
else {
tileshpfile = (shapefileObj *) malloc(sizeof(shapefileObj));
MS_CHECK_ALLOC(tileshpfile, sizeof(shapefileObj), MS_FAILURE);
if(msShapefileOpen(tileshpfile, "rb", msBuildPath3(szPath, map->mappath, map->shapepath, layer->tileindex), MS_TRUE) == -1)
if(msShapefileOpen(tileshpfile, "rb", msBuildPath(szPath, map->mappath, layer->tileindex), MS_TRUE) == -1)
return MS_FAILURE;
*extent = tileshpfile->bounds;
msShapefileClose(tileshpfile);
free(tileshpfile);
return MS_SUCCESS;
}
}
msTryBuildPath3(szPath, map->mappath, map->shapepath, layer->data);
decrypted_path = msDecryptStringTokens( map, szPath );
msAcquireLock( TLOCK_GDAL );
if( decrypted_path ) {
hDS = GDALOpen(decrypted_path, GA_ReadOnly );
msFree( decrypted_path );
} else
hDS = NULL;
if( hDS != NULL ) {
nXSize = GDALGetRasterXSize( hDS );
nYSize = GDALGetRasterYSize( hDS );
eErr = GDALGetGeoTransform( hDS, adfGeoTransform );
GDALClose( hDS );
}
msReleaseLock( TLOCK_GDAL );
if( hDS == NULL || eErr != CE_None ) {
return MS_FAILURE;
}
/* If this appears to be an ungeoreferenced raster than flip it for
mapservers purposes. */
if( adfGeoTransform[5] == 1.0 && adfGeoTransform[3] == 0.0 ) {
adfGeoTransform[5] = -1.0;
adfGeoTransform[3] = nYSize;
}
extent->minx = adfGeoTransform[0];
extent->maxy = adfGeoTransform[3];
extent->maxx = adfGeoTransform[0] + nXSize * adfGeoTransform[1];
extent->miny = adfGeoTransform[3] + nYSize * adfGeoTransform[5];
return MS_SUCCESS;
}
