3ddb8dfc86
A new MGLTileSet class that wraps all available core Tileset options can be created and passed into the sources. The sources pass that tileset object along to core.
88 lines
2.7 KiB
Plaintext
88 lines
2.7 KiB
Plaintext
#import "MGLTileSet.h"
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#include <mbgl/util/tileset.hpp>
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@implementation MGLTileSet
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- (instancetype)initWithTileURLTemplates:(NS_ARRAY_OF(NSString *) *)tileURLTemplates
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{
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if (self = [super init])
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{
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_tileURLTemplates = tileURLTemplates;
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}
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return self;
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}
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- (instancetype)initWithTileURLTemplates:(NS_ARRAY_OF(NSString *) *)tileURLTemplates minimumZoomLevel:(NSUInteger)minimumZoomLevel maximumZoomLevel:(NSUInteger)maximumZoomLevel
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{
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if (minimumZoomLevel > maximumZoomLevel)
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{
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[[NSException exceptionWithName:@"Invalid minimumZoomLevel"
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reason:@"minimumZoomLevel must be less than maximumZoomLevel"
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userInfo:nil] raise];
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return nil;
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}
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if (self = [super init])
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{
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_tileURLTemplates = tileURLTemplates;
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_minimumZoomLevel = @(minimumZoomLevel);
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_maximumZoomLevel = @(maximumZoomLevel);
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}
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return self;
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}
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- (void)setMinimumZoomLevel:(NSNumber *)minimumZoomLevel
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{
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if (self.maximumZoomLevel && [minimumZoomLevel integerValue] > [self.maximumZoomLevel integerValue])
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{
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[[NSException exceptionWithName:@"Invalid minimumZoomLevel"
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reason:@"minimumZoomLevel must be less than maximumZoomLevel"
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userInfo:nil] raise];
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return;
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}
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_minimumZoomLevel = minimumZoomLevel;
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}
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- (void)setMaximumZoomLevel:(NSNumber *)maximumZoomLevel
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{
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if (self.maximumZoomLevel && [maximumZoomLevel integerValue] < [self.maximumZoomLevel integerValue])
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{
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[[NSException exceptionWithName:@"Invalid minimumZoomLevel"
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reason:@"minimumZoomLevel must be less than maximumZoomLevel"
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userInfo:nil] raise];
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}
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_maximumZoomLevel = maximumZoomLevel;
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}
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- (mbgl::Tileset)mbglTileset
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{
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mbgl::Tileset tileset;
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for (NSString *tileURLTemplate in self.tileURLTemplates)
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{
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tileset.tiles.push_back(tileURLTemplate.UTF8String);
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}
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// set the minimum / maximum zoom range to the values specified by this class if they
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// were set. otherwise, use the core objects default values
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uint8_t minimumZoomLevel = self.minimumZoomLevel ? [self.minimumZoomLevel unsignedIntegerValue] : tileset.zoomRange.min;
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uint8_t maximumZoomLevel = self.minimumZoomLevel ? [self.maximumZoomLevel unsignedIntegerValue] : tileset.zoomRange.max;
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tileset.zoomRange = mbgl::Range<uint8_t>(minimumZoomLevel, maximumZoomLevel);
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if (self.attribution)
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{
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tileset.attribution = self.attribution.UTF8String;
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}
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if (self.scheme == MGLTileSetSchemeTMS) {
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tileset.scheme = mbgl::Tileset::Scheme::TMS;
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}
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return tileset;
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}
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@end
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