110 lines
4.5 KiB
Plaintext
110 lines
4.5 KiB
Plaintext
#import "MGLRasterSource_Private.h"
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#import "MGLMapView_Private.h"
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#import "MGLSource_Private.h"
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#import "MGLTileSource_Private.h"
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#import "NSURL+MGLAdditions.h"
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#include <mbgl/map/map.hpp>
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#include <mbgl/style/sources/raster_source.hpp>
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const MGLTileSourceOption MGLTileSourceOptionTileSize = @"MGLTileSourceOptionTileSize";
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static const CGFloat MGLRasterSourceClassicTileSize = 256;
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static const CGFloat MGLRasterSourceRetinaTileSize = 512;
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@interface MGLRasterSource ()
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- (instancetype)initWithRawSource:(mbgl::style::RasterSource *)rawSource NS_DESIGNATED_INITIALIZER;
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@property (nonatomic) mbgl::style::RasterSource *rawSource;
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@end
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@implementation MGLRasterSource {
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std::unique_ptr<mbgl::style::RasterSource> _pendingSource;
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}
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- (instancetype)initWithIdentifier:(NSString *)identifier configurationURL:(NSURL *)configurationURL {
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// The style specification default is 512, but 256 is the expected value for
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// any tile set that would be accessed through a mapbox: URL and therefore
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// any tile URL that this option currently affects.
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BOOL isMapboxURL = ([configurationURL.scheme isEqualToString:@"mapbox"]
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&& [configurationURL.host containsString:@"."]
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&& (!configurationURL.path.length || [configurationURL.path isEqualToString:@"/"]));
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CGFloat tileSize = isMapboxURL ? MGLRasterSourceClassicTileSize : MGLRasterSourceRetinaTileSize;
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return [self initWithIdentifier:identifier configurationURL:configurationURL tileSize:tileSize];
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}
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- (instancetype)initWithIdentifier:(NSString *)identifier configurationURL:(NSURL *)configurationURL tileSize:(CGFloat)tileSize {
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if (self = [super initWithIdentifier:identifier configurationURL:configurationURL]) {
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auto source = std::make_unique<mbgl::style::RasterSource>(identifier.UTF8String,
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configurationURL.mgl_URLByStandardizingScheme.absoluteString.UTF8String,
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uint16_t(round(tileSize)));
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_pendingSource = std::move(source);
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self.rawSource = _pendingSource.get();
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}
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return self;
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}
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- (instancetype)initWithIdentifier:(NSString *)identifier tileURLTemplates:(NS_ARRAY_OF(NSString *) *)tileURLTemplates options:(nullable NS_DICTIONARY_OF(MGLTileSourceOption, id) *)options {
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if (self = [super initWithIdentifier:identifier tileURLTemplates:tileURLTemplates options:options]) {
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mbgl::Tileset tileSet = MGLTileSetFromTileURLTemplates(tileURLTemplates, options);
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uint16_t tileSize = MGLRasterSourceRetinaTileSize;
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if (NSNumber *tileSizeNumber = options[MGLTileSourceOptionTileSize]) {
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if (![tileSizeNumber isKindOfClass:[NSNumber class]]) {
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[NSException raise:NSInvalidArgumentException
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format:@"MGLTileSourceOptionTileSize must be set to an NSNumber."];
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}
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tileSize = static_cast<uint16_t>(round(tileSizeNumber.doubleValue));
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}
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auto source = std::make_unique<mbgl::style::RasterSource>(identifier.UTF8String, tileSet, tileSize);
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_pendingSource = std::move(source);
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self.rawSource = _pendingSource.get();
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}
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return self;
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}
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- (instancetype)initWithRawSource:(mbgl::style::RasterSource *)rawSource {
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return [super initWithRawSource:rawSource];
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}
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- (void)addToMapView:(MGLMapView *)mapView {
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if (_pendingSource == nullptr) {
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[NSException raise:@"MGLRedundantSourceException"
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format:@"This instance %@ was already added to %@. Adding the same source instance " \
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@"to the style more than once is invalid.", self, mapView.style];
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}
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mapView.mbglMap->addSource(std::move(_pendingSource));
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}
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- (void)removeFromMapView:(MGLMapView *)mapView {
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auto removedSource = mapView.mbglMap->removeSource(self.identifier.UTF8String);
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_pendingSource = std::move(reinterpret_cast<std::unique_ptr<mbgl::style::RasterSource> &>(removedSource));
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self.rawSource = _pendingSource.get();
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}
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- (mbgl::style::RasterSource *)rawSource {
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return (mbgl::style::RasterSource *)super.rawSource;
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}
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- (void)setRawSource:(mbgl::style::RasterSource *)rawSource {
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super.rawSource = rawSource;
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}
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- (NSURL *)configurationURL {
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auto url = self.rawSource->getURL();
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return url ? [NSURL URLWithString:@(url->c_str())] : nil;
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}
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- (NSString *)attributionHTMLString {
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auto attribution = self.rawSource->getAttribution();
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return attribution ? @(attribution->c_str()) : nil;
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}
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@end
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