ImagePerspectiveFilterCache class
A cache for perspective filers.
Useful for consecutive calls to perspective on the same image.
- Inheritance
-
- Object
- ImageScaledCache
- ImagePerspectiveFilterCache
Constructors
- ImagePerspectiveFilterCache(CanvasImageSource image, [int? width, int? height, int? maxScaleCacheEntries, int? maxPerspectiveCacheEntries])
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- height → int
-
Height of the main image.
no setterinherited
- image → CanvasImageSource
-
Main image for scale.
no setterinherited
- maxPerspectiveCacheEntries → int?
-
no setter
- maxScaleCacheEntries → int
-
Maximum number of entries in the cache.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
- width → int
-
Width of the main image.
no setterinherited
Methods
-
clearCaches(
) → void -
clearPerspectiveCache(
) → void -
clearScaleCache(
) → void -
Clears the cache.
inherited
-
getImageScaled(
double scale) → CanvasImageSource? -
Returns a cached image in
scale.inherited -
getImageWithPerspective(
List< Point< ? points, double scale) → FilterResult?num> > -
isImageScaledInCache(
double scale) → bool -
Returns
trueif ascaleis in cache.inherited -
isImageWithPerspectiveInCache(
List< Point< ? points, double scale) → boolnum> > -
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited