Specifies whether or not the image contains meaningful alpha channel values.
public bool HasMeaningfulAlpha { get; }
Public ReadOnly Property HasMeaningfulAlpha As Boolean
@property (nonatomic, assign) BOOL hasMeaningfulAlpha
public boolean hasMeaningfulAlpha()
public:
property bool HasMeaningfulAlpha {
bool get();
}
true if the image has meaningful alpha, false if it does not.
The image has meaningful alpha if not all pixels have the same alpha value or if the values are all the same but equal to 0x00 or 0xFF.
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