CompressFormat class
Class that represents the known formats a bitmap can be compressed into.
Properties
- hashCode → int
-
The hash code for this object.
no setteroverride
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
isSupported(
) → bool - Checks if the value is supported by the defaultTargetPlatform.
-
name(
) → String - Gets the name of the value.
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
toNativeValue(
) → String? -
Gets String native value if supported by the current platform, otherwise
null. -
toString(
) → String -
A string representation of this object.
override
-
toValue(
) → String - Gets String value.
Operators
-
operator ==(
Object value) → bool -
The equality operator.
override
Static Properties
- JPEG → CompressFormat
-
Compress to the
JPEGformat. Quality of0means compress for the smallest size.100means compress for max visual quality.final - PNG → CompressFormat
-
Compress to the
PNGformat. PNG is lossless, soqualityis ignored.final -
values
→ Set<
CompressFormat> -
Set of all values of CompressFormat.
final
- WEBP → CompressFormat
-
Compress to the
WEBPlossy format. Quality of0means compress for the smallest size.100means compress for max visual quality.final - WEBP_LOSSLESS → CompressFormat
-
Compress to the
WEBPlossless format. Quality refers to how much effort to put into compression. A value of0means to compress quickly, resulting in a relatively large file size.100means to spend more time compressing, resulting in a smaller file.final - WEBP_LOSSY → CompressFormat
-
Compress to the
WEBPlossy format. Quality of0means compress for the smallest size.100means compress for max visual quality.final
Static Methods
-
asNameMap(
) → Map< String, CompressFormat> - Creates a map from the names of CompressFormat values to the values.
-
byName(
String? name) → CompressFormat? -
Gets a possible CompressFormat instance value with name
name. -
fromNativeValue(
String? value) → CompressFormat? - Gets a possible CompressFormat instance from a native value.
-
fromValue(
String? value) → CompressFormat? - Gets a possible CompressFormat instance from String value.