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- All Known Implementing Classes:
AbstractMultiResolutionImage
,BaseMultiResolutionImage
public interface MultiResolutionImage
This interface is designed to be an optional additional API supported by some implementations ofImage
to allow them to provide alternate images for various rendering resolutions. The variousGraphics.drawImage(...)
variant methods will consult the methods of this interface if it is implemented on the argumentImage
object in order to choose the best representation to use for each rendering operation.The
MultiResolutionImage
interface should be implemented by any subclass ofjava.awt.Image
whose instances are intended to provide image resolution variants according to the given image width and height. For convenience, toolkit images obtained fromToolkit.getImage(String name)
andToolkit.getImage(URL url)
will implement this interface on platforms that support naming conventions for resolution variants of stored image media and theAbstractMultiResolutionImage
andBaseMultiResolutionImage
classes are provided to facilitate easy construction of custom multi-resolution images from a list of related images.
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Method Summary
All Methods Instance Methods Abstract Methods Modifier and Type Method Description Image
getResolutionVariant(double destImageWidth, double destImageHeight)
Gets a specific image that is the best variant to represent this logical image at the indicated size.List<Image>
getResolutionVariants()
Gets a readable list of all resolution variants.
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Method Detail
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getResolutionVariant
Image getResolutionVariant(double destImageWidth, double destImageHeight)
Gets a specific image that is the best variant to represent this logical image at the indicated size.- Parameters:
destImageWidth
- the width of the destination image, in pixels.destImageHeight
- the height of the destination image, in pixels.- Returns:
- image resolution variant.
- Throws:
IllegalArgumentException
- ifdestImageWidth
ordestImageHeight
is less than or equal to zero, infinity, or NaN.- Since:
- 9
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