Class Scale
java.lang.Object
org.apache.tools.ant.ProjectComponent
org.apache.tools.ant.types.DataType
org.apache.tools.ant.types.optional.image.ImageOperation
org.apache.tools.ant.types.optional.image.TransformOperation
org.apache.tools.ant.types.optional.image.Scale
- All Implemented Interfaces:
java.lang.Cloneable,DrawOperation
public class Scale extends TransformOperation implements DrawOperation
- See Also:
Image
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Nested Class Summary
Nested Classes Modifier and Type Class Description static classScale.ProportionsAttributeEnumerated class for proportions attribute. -
Field Summary
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Constructor Summary
Constructors Constructor Description Scale() -
Method Summary
Modifier and Type Method Description javax.media.jai.PlanarImageexecuteDrawOperation()Abstract method which is intended to create an image buffer and return it so it can be drawn into another object.javax.media.jai.PlanarImageexecuteTransformOperation(javax.media.jai.PlanarImage image)Performs the transformations.floatgetHeight()Get the height.floatgetWidth()Get the width.javax.media.jai.PlanarImageperformScale(javax.media.jai.PlanarImage image)Scale an image.voidsetHeight(java.lang.String height)Sets the height of the image, either as an integer or a %.voidsetProportions(Scale.ProportionsAttribute pa)Sets the behaviour regarding the image proportions.voidsetWidth(java.lang.String width)Sets the width of the image, either as an integer or a %.Methods inherited from class org.apache.tools.ant.types.optional.image.TransformOperation
addRectangleMethods inherited from class org.apache.tools.ant.types.optional.image.ImageOperation
addDraw, addRotate, addScale, addTextMethods inherited from class org.apache.tools.ant.types.DataType
checkAttributesAllowed, checkChildrenAllowed, circularReference, clone, dieOnCircularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, setRefid, tooManyAttributes, toStringMethods inherited from class org.apache.tools.ant.ProjectComponent
getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject
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Constructor Details
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Scale
public Scale()
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Method Details
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setProportions
Sets the behaviour regarding the image proportions.- Parameters:
pa- the enumerated value.
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setWidth
public void setWidth(java.lang.String width)Sets the width of the image, either as an integer or a %. Defaults to 100%.- Parameters:
width- the value to use.
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setHeight
public void setHeight(java.lang.String height)Sets the height of the image, either as an integer or a %. Defaults to 100%.- Parameters:
height- the value to use.
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getWidth
public float getWidth()Get the width.- Returns:
- the value converted from the width string.
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getHeight
public float getHeight()Get the height.- Returns:
- the value converted from the height string.
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performScale
public javax.media.jai.PlanarImage performScale(javax.media.jai.PlanarImage image)Scale an image.- Parameters:
image- the image to scale.- Returns:
- the scaled image.
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executeTransformOperation
public javax.media.jai.PlanarImage executeTransformOperation(javax.media.jai.PlanarImage image)Performs the transformations..- Specified by:
executeTransformOperationin classTransformOperation- Parameters:
image- The image to perform the transformation on.- Returns:
- the transformed image.
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executeDrawOperation
public javax.media.jai.PlanarImage executeDrawOperation()Abstract method which is intended to create an image buffer and return it so it can be drawn into another object. Use an Alpha channel for a "transparent" background..- Specified by:
executeDrawOperationin interfaceDrawOperation- Returns:
- a planar image
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