BitmapRegionDecoder$Impl class
Properties
-
hashCode
→ int
-
The hash code for this object.
no setterinherited
-
height
→ int
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@brief Height of the source image in pixels (after header parse / decode metadata).
no setteroverride
-
runtimeType
→ Type
-
A representation of the runtime type of the object.
no setterinherited
-
width
→ int
-
@brief Width of the source image in pixels (after header parse / decode metadata).
no setteroverride
Methods
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decodeRegion(Rectangle rect, double sampleSize)
→ ImageWrapper
-
@brief Method is used to decode rectangle region in the image specified by rect.
@param rect area to render @see Rectangle "Rectangle"
@param sampleSize if set to a value > 1, requests the decoder to subsample the original image, returning a smaller image to save memory.
@return constructed bitmap
override
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newInstance(Uint8List data)
→ BitmapRegionDecoder
-
@brief Method is used to create instance of BitmapRegionDecoder
@param data raw image data (could be raw svg string)
@return nstance of decoder, which could be used for decoding byte array to bitmap.
override
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newInstanceFromImage(Image data)
→ BitmapRegionDecoder
-
@brief Creates decoder from @see Image "Image" without copying raw bytes again.
@param data image instance (e.g. from SDK pipeline); must remain valid while decoder is used
@return decoder instance or null on error
override
-
noSuchMethod(Invocation invocation)
→ dynamic
-
Invoked when a nonexistent method or property is accessed.
inherited
-
toString()
→ String
-
A string representation of this object.
inherited
