BufferedImageOp, RasterOp
This class performs a pixel-by-pixel color conversion of the data in the source image. The resulting color values are scaled to the precision of the destination image. Color conversion can be specified via an array of ColorSpace objects or an array of ICC_Profile objects.
If the source is a BufferedImage with premultiplied alpha, the color components are divided by the alpha component before color conversion. If the destination is a BufferedImage with premultiplied alpha, the color components are multiplied by the alpha component after conversion. Rasters are treated as having no alpha channel, i.e. all bands are color bands.
If a RenderingHints object is specified in the constructor, the color rendering hint and the dithering hint may be used to control color conversion.
Note that Source and Destination may be the same object.
Constructors
Constructs a new ColorConvertOp from two ColorSpace objects.
Constructs a new ColorConvertOp from a ColorSpace object.
Constructs a new ColorConvertOp from an array of ICC_Profiles.
Constructs a new ColorConvertOp which will convert from a source color space to a destination color space.
Creates a zeroed destination image with the correct size and number of bands, given this source.
Creates a zeroed destination Raster with the correct size and number of bands, given this source.
ColorConverts the source BufferedImage.
ColorConverts the image data in the source Raster.
Returns the bounding box of the destination, given this source.
Returns the bounding box of the destination, given this source.
Returns the array of ICC_Profiles used to construct this ColorConvertOp.
Returns the location of the destination point given a point in the source.
Returns the rendering hints used by this op.
Methods declared in class java.lang.Objectclone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waitConstructs a new ColorConvertOp which will convert from a source color space to a destination color space. The RenderingHints argument may be null. This Op can be used only with BufferedImages, and will convert directly from the ColorSpace of the source image to that of the destination. The destination argument of the filter method cannot be specified as null.
hints - the RenderingHints object used to control the color conversion, or null
Constructs a new ColorConvertOp from a ColorSpace object. The RenderingHints argument may be null. This Op can be used only with BufferedImages, and is primarily useful when the
filter
method is invoked with a destination argument of null. In that case, the ColorSpace defines the destination color space for the destination created by the filter method. Otherwise, the ColorSpace defines an intermediate space to which the source is converted before being converted to the destination space.
cspace - defines the destination ColorSpace or an intermediate ColorSpace
hints - the RenderingHints object used to control the color conversion, or null
NullPointerException - if cspace is null
Constructs a new ColorConvertOp from two ColorSpace objects. The RenderingHints argument may be null. This Op is primarily useful for calling the filter method on Rasters, in which case the two ColorSpaces define the operation to be performed on the Rasters. In that case, the number of bands in the source Raster must match the number of components in srcCspace, and the number of bands in the destination Raster must match the number of components in dstCspace. For BufferedImages, the two ColorSpaces define intermediate spaces through which the source is converted before being converted to the destination space.
srcCspace - the source ColorSpace
dstCspace - the destination ColorSpace
hints - the RenderingHints object used to control the color conversion, or null
NullPointerException - if either srcCspace or dstCspace is null
Constructs a new ColorConvertOp from an array of ICC_Profiles. The RenderingHints argument may be null. The sequence of profiles may include profiles that represent color spaces, profiles that represent effects, etc. If the whole sequence does not represent a well-defined color conversion, an exception is thrown.
For BufferedImages, if the ColorSpace of the source BufferedImage does not match the requirements of the first profile in the array, the first conversion is to an appropriate ColorSpace. If the requirements of the last profile in the array are not met by the ColorSpace of the destination BufferedImage, the last conversion is to the destination's ColorSpace.
For Rasters, the number of bands in the source Raster must match the requirements of the first profile in the array, and the number of bands in the destination Raster must match the requirements of the last profile in the array. The array must have at least two elements or calling the filter method for Rasters will throw an IllegalArgumentException.
profiles - the array of ICC_Profile objects
hints - the RenderingHints object used to control the color conversion, or null
IllegalArgumentException - when the profile sequence does not specify a well-defined color conversion
NullPointerException - if profiles is null
Returns the array of ICC_Profiles used to construct this ColorConvertOp. Returns null if the ColorConvertOp was not constructed from such an array.
ICC_Profile objects of this ColorConvertOp, or null if this ColorConvertOp was not constructed with an array of ICC_Profile objects.
ColorConverts the source BufferedImage. If the destination image is null, a BufferedImage will be created with an appropriate ColorModel.
filter in interface BufferedImageOp
src - the source BufferedImage to be converted
dest - the destination BufferedImage, or null
dest color converted from src or a new, converted BufferedImage if dest is null
IllegalArgumentException - if dest is null and this op was constructed using the constructor which takes only a RenderingHints argument, since the operation is ill defined.
ColorConverts the image data in the source Raster. If the destination Raster is null, a new Raster will be created. The number of bands in the source and destination Rasters must meet the requirements explained above. The constructor used to create this ColorConvertOp must have provided enough information to define both source and destination color spaces. See above. Otherwise, an exception is thrown.
filter in interface RasterOp
src - the source Raster to be converted
dest - the destination WritableRaster, or null
dest color converted from src or a new, converted WritableRaster if dest is null
IllegalArgumentException - if the number of source or destination bands is incorrect, the source or destination color spaces are undefined, or this op was constructed with one of the constructors that applies only to operations on BufferedImages.
Returns the bounding box of the destination, given this source. Note that this will be the same as the bounding box of the source.
getBounds2D in interface BufferedImageOp
src - the source BufferedImage
Rectangle2D that is the bounding box of the destination, given the specified src
Returns the bounding box of the destination, given this source. Note that this will be the same as the bounding box of the source.
getBounds2D in interface RasterOp
src - the source Raster
Rectangle2D that is the bounding box of the destination, given the specified src
Creates a zeroed destination image with the correct size and number of bands, given this source.
createCompatibleDestImage in interface BufferedImageOp
src - Source image for the filter operation.
destCM - ColorModel of the destination. If null, an appropriate ColorModel will be used.
BufferedImage with the correct size and number of bands from the specified src.
IllegalArgumentException - if destCM is null and this ColorConvertOp was created without any ICC_Profile or ColorSpace defined for the destination
Creates a zeroed destination Raster with the correct size and number of bands, given this source.
createCompatibleDestRaster in interface RasterOp
src - the specified Raster
WritableRaster with the correct size and number of bands from the specified src
IllegalArgumentException - if this ColorConvertOp was created without sufficient information to define the dst and src color spaces
Returns the location of the destination point given a point in the source. If dstPt is non-null, it will be used to hold the return value. Note that for this class, the destination point will be the same as the source point.
getPoint2D in interface BufferedImageOp
getPoint2D in interface RasterOp
srcPt - the specified source Point2D
dstPt - the destination Point2D
dstPt after setting its location to be the same as srcPt
Returns the rendering hints used by this op.
getRenderingHints in interface BufferedImageOp
getRenderingHints in interface RasterOp
RenderingHints object of this ColorConvertOp
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