BitmapDecoder class

Provides read access to bitmap container data as well as data from the first frame.

Implemented types

• IBitmapDecoder
• IBitmapFrame
• IBitmapFrameWithSoftwareBitmap

Constructors

BitmapDecoder.fromPtr(Pointer<COMObject> ptr)

Properties

bitmapAlphaMode → BitmapAlphaMode

no setter, override

bitmapContainerProperties → BitmapPropertiesView?

no setter, override

bitmapPixelFormat → BitmapPixelFormat

no setter, override

bitmapProperties → BitmapPropertiesView?

no setter, override

decoderInformation → BitmapCodecInformation?

no setter, override

dpiX → double

no setter, override

dpiY → double

no setter, override

frameCount → int

no setter, override

hashCode → int

The hash code for this object.

no setter, inherited

orientedPixelHeight → int

no setter, override

orientedPixelWidth → int

no setter, override

pixelHeight → int

no setter, override

pixelWidth → int

no setter, override

ptr ↔ Pointer<COMObject>

getter/setter pair, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

Methods

addRef() → int

Increments the reference count for an interface pointer to a COM object.

inherited

detach() → void

Detaches the object from the Finalizer.

inherited

getFrameAsync(int frameIndex) → Future<BitmapFrame?>

override

getIids(Pointer<Uint32> iidCount, Pointer<Pointer<GUID>> iids) → int

inherited

getPixelDataAsync() → Future<PixelDataProvider?>

override

getPixelDataTransformedAsync(BitmapPixelFormat pixelFormat, BitmapAlphaMode alphaMode, BitmapTransform? transform, ExifOrientationMode exifOrientationMode, ColorManagementMode colorManagementMode) → Future<PixelDataProvider?>

override

getPreviewAsync() → Future<ImageStream?>

override

getRuntimeClassName(Pointer<IntPtr> className) → int

inherited

getSoftwareBitmapAsync() → Future<SoftwareBitmap?>

override

getSoftwareBitmapConvertedAsync(BitmapPixelFormat pixelFormat, BitmapAlphaMode alphaMode) → Future<SoftwareBitmap?>

override

getSoftwareBitmapTransformedAsync(BitmapPixelFormat pixelFormat, BitmapAlphaMode alphaMode, BitmapTransform? transform, ExifOrientationMode exifOrientationMode, ColorManagementMode colorManagementMode) → Future<SoftwareBitmap?>

override

getThumbnailAsync() → Future<ImageStream?>

override

getTrustLevel(Pointer<Int32> trustLevel) → int

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

queryInterface(Pointer<GUID> riid, Pointer<Pointer<NativeType>> ppvObject) → int

Queries a COM object for a pointer to one of its interface; identifying the interface by a reference to its interface identifier (IID).

inherited

release() → int

Decrements the reference count for an interface on a COM object.

inherited

toInterface(String iid) → Pointer<COMObject>

Cast an existing COM object to a specified interface.

inherited

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited

Static Properties

bmpDecoderId → Guid

no setter

gifDecoderId → Guid

no setter

heifDecoderId → Guid

no setter

icoDecoderId → Guid

no setter

jpegDecoderId → Guid

no setter

jpegXRDecoderId → Guid

no setter

pngDecoderId → Guid

no setter

tiffDecoderId → Guid

no setter

webpDecoderId → Guid

no setter

Static Methods

createAsync(IRandomAccessStream? stream) → Future<BitmapDecoder?>

createWithIdAsync(Guid decoderId, IRandomAccessStream? stream) → Future<BitmapDecoder?>

getDecoderInformationEnumerator() → List<BitmapCodecInformation?>