Module io.sf.carte.css4j
Package io.sf.carte.doc.style.css.om

Class AbstractCSSCanvas

java.lang.Object
io.sf.carte.doc.style.css.om.AbstractCSSCanvas
All Implemented Interfaces:
CSSCanvas
public abstract class AbstractCSSCanvas extends Object implements CSSCanvas
Abstract base class useful for CSSCanvas implementations.

  • Constructor Details

    • AbstractCSSCanvas

      protected AbstractCSSCanvas(CSSDocument doc)

  • Method Details

    • getDocument

      public CSSDocument getDocument()
      Description copied from interface: CSSCanvas
      Gets the document to which this canvas applies.
      Specified by:
      getDocument in interface CSSCanvas
      Returns:
      the document.

    • setDocument

      protected void setDocument(CSSDocument doc)

    • getFeatureValue

      public ExtendedCSSPrimitiveValue getFeatureValue(String feature)
      Description copied from interface: CSSCanvas
      Provide the value of the requested media feature.
      Specified by:
      getFeatureValue in interface CSSCanvas
      Parameters:
      feature - the media feature.
      Returns:
      the value of the requested media feature, or null if the feature is not known or not supported.

    • matchesFeature

      public boolean matchesFeature(String feature, ExtendedCSSPrimitiveValue value)
      Description copied from interface: CSSCanvas
      Does this canvas support the given media feature?
      Specified by:
      matchesFeature in interface CSSCanvas
      Parameters:
      feature - the media feature name.
      value - the optional feature value to be tested against.
      Returns:
      true if the feature (with the given value, if any) is supported, false otherwise.

    • getColorIndex

      protected abstract float getColorIndex()

    • isGridDevice

      protected abstract boolean isGridDevice()

    • getMonoBitsPerPixel

      protected abstract int getMonoBitsPerPixel()

    • getOrientation

      protected abstract String getOrientation()

    • getOverflowBlock

      protected abstract String getOverflowBlock()

    • getOverflowInline

      protected abstract String getOverflowInline()

    • getPointerAccuracy

      protected abstract String getPointerAccuracy()

    • getResolution

      protected abstract float getResolution()

    • getScanType

      protected abstract String getScanType()

    • getUpdateFrequency

      protected abstract String getUpdateFrequency()

    • supportsGamut

      protected abstract boolean supportsGamut(String gamut)