GPKGCoverageDataPngImage

Objective-C

@interface GPKGCoverageDataPngImage : NSObject <GPKGCoverageDataImage>

Swift

class GPKGCoverageDataPngImage : NSObject, GPKGCoverageDataImage

Coverage Data PNG image

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  • Initialize

    Declaration

    Objective-C

    - (instancetype)initWithTileRow:(GPKGTileRow *)tileRow;

    Swift

    init!(tileRow: GPKGTileRow!)

    Parameters

    tileRow

    tile row

    Return Value

    new instance

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  • Get the image

    Declaration

    Objective-C

    - (id)image;

    Swift

    func image() -> Any!

    Return Value

    image

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  • Get the image data

    Declaration

    Objective-C

    - (NSData *)imageData;

    Swift

    func imageData() -> Data!

    Return Value

    image data

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  • Get the pixel at the coordinate

    Declaration

    Objective-C

    - (unsigned short)pixelAtX:(int)x andY:(int)y;

    Swift

    func pixelAt(x: Int32, andY y: Int32) -> UInt16

    Parameters

    x

    x coordinate
    y

    y coordinate

    Return Value

    pixel value

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