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//
// SLDSymbolizers.h
// SLDTest
//
// Created by Ranen Ghosh on 2016-08-12.
// Copyright 2016-2019 mousebird consulting.
//
#import <Foundation/Foundation.h>
@class DDXMLNode;
@class DDXMLElement;
#import <WhirlyGlobeMaplyComponent/MaplyVectorTileStyle.h>
/** @brief Base class for Symbolizer elements
@see http://schemas.opengis.net/se/1.1.0/Symbolizer.xsd for SLD v1.1.0
@see http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd for SLD v1.0.0
*/
@interface SLDSymbolizer : NSObject
/**
Returns whether this class can parse the symbolizer corresponding to the provided element name.
Each subclass matches different symbolizer elements.
*/
+ (BOOL)matchesSymbolizerNamed:(NSString * _Nonnull)symbolizerName;
/**
Produces MaplyVectorTileStyle objects for an SLD Symbolizer element
Parses the XML subtree and returns an array of corresponding MaplyVectorTileStyle objects.
@param element The XML element corresponding to a symbolizer
@param tileStyleSettings The base MaplyVectorStyleSettings settings to apply.
@param viewC The map or globe view controller.
@param minScaleDenom If non-null, the minimum map scale at which to apply any constructed symbolizer.
@param maxScaleDenom If non-null, the maximum map scale at which to apply any constructed symbolizer.
@param relativeDrawPriority The z-order relative to other vector features.
@param baseURL The base URL from which external resources (e.g. images) will be located.
@return An array of MaplyVectorTileStyle objects corresponding to the particular XML element.
@see MaplyVectorTileStyle
@see MaplyVectorStyleSettings
*/
+ (NSArray<MaplyVectorTileStyle *> * _Nullable) maplyVectorTileStyleWithElement:(DDXMLElement * _Nonnull)element tileStyleSettings:(MaplyVectorStyleSettings * _Nonnull)tileStyleSettings viewC:(NSObject<MaplyRenderControllerProtocol> * _Nonnull)viewC minScaleDenom:(NSNumber * _Nonnull)minScaleDenom maxScaleDenom:(NSNumber * _Nonnull)maxScaleDenom relativeDrawPriority:(int)relativeDrawPriority crossSymbolizerParams:(NSMutableDictionary * _Nonnull)crossSymbolizerParams baseURL:(NSURL * _Nonnull)baseURL;
@end
/** @brief Class corresponding to the LineSymbolizer element
@see http://schemas.opengis.net/se/1.1.0/Symbolizer.xsd for SLD v1.1.0
@see http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd for SLD v1.0.0
*/
@interface SLDLineSymbolizer : SLDSymbolizer
@end
/** @brief Class corresponding to the PolygonSymbolizer element
@see http://schemas.opengis.net/se/1.1.0/Symbolizer.xsd for SLD v1.1.0
@see http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd for SLD v1.0.0
*/
@interface SLDPolygonSymbolizer : SLDSymbolizer
@end
/** @brief Class corresponding to the PointSymbolizer element
@see http://schemas.opengis.net/se/1.1.0/Symbolizer.xsd for SLD v1.1.0
@see http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd for SLD v1.0.0
*/
@interface SLDPointSymbolizer : SLDSymbolizer
@end
/** @brief Class corresponding to the TextSymbolizer element
@see http://schemas.opengis.net/se/1.1.0/Symbolizer.xsd for SLD v1.1.0
@see http://schemas.opengis.net/sld/1.0.0/StyledLayerDescriptor.xsd for SLD v1.0.0
*/
@interface SLDTextSymbolizer : SLDSymbolizer
@end
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