org.apache.batik.bridge
public abstract class SVGUtilities extends Object implements SVGConstants, ErrorConstants
Field Summary | |
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static short | OBJECT_BOUNDING_BOX The objectBoundingBox coordinate system constants. |
static short | STROKE_WIDTH The strokeWidth coordinate system constants. |
static short | USER_SPACE_ON_USE The userSpaceOnUse coordinate system constants. |
Constructor Summary | |
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protected | SVGUtilities()
No instance of this class is required. |
Method Summary | |
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static Rectangle2D | convertFilterChainRegion(Element filterElement, Element filteredElement, GraphicsNode filteredNode, BridgeContext ctx)
Returns the filter region according to the x, y, width, height,
dx, dy, dw, dh and filterUnits attributes.
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static Rectangle2D | convertFilterPrimitiveRegion(Element filterPrimitiveElement, Element filterElement, Element filteredElement, GraphicsNode filteredNode, Rectangle2D defaultRegion, Rectangle2D filterRegion, BridgeContext ctx)
Returns the filter primitive region according to the x, y,
width, height, and filterUnits attributes. |
static Rectangle2D | convertFilterPrimitiveRegion(Element filterPrimitiveElement, Element filteredElement, GraphicsNode filteredNode, Rectangle2D defaultRegion, Rectangle2D filterRegion, BridgeContext ctx)
Returns the filter primitive region according to the x, y,
width, height, and filterUnits attributes. |
static float[] | convertFilterRes(Element filterElement, BridgeContext ctx)
Returns an array of 2 float numbers that describes the filter
resolution of the specified filter element.
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static float | convertLength(String length, String attr, short unitsType, Context uctx)
Returns a float in user units according to the specified parameters.
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static Rectangle2D | convertMaskRegion(Element maskElement, Element maskedElement, GraphicsNode maskedNode, BridgeContext ctx)
Returns the mask region according to the x, y, width, height,
and maskUnits attributes.
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static Rectangle2D | convertPatternRegion(Element patternElement, Element paintedElement, GraphicsNode paintedNode, BridgeContext ctx)
Returns the pattern region according to the x, y, width, height,
and patternUnits attributes.
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static Point2D | convertPoint(String xStr, String xAttr, String yStr, String yAttr, short unitsType, Context uctx)
Returns a Point2D in user units according to the specified parameters.
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static float | convertRatio(String v)
Converts the specified ratio to float number. |
protected static Rectangle2D | convertRegion(String xStr, String yStr, String wStr, String hStr, short unitsType, GraphicsNode targetNode, Context uctx)
Returns a rectangle that represents the region defined by the
specified coordinates.
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static float | convertSnapshotTime(Element e, BridgeContext ctx)
Returns the value of the 'snapshotTime' attribute on the specified
element as a float, or 0f if the attribute is missing
or given as "none" .
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static int | convertSVGInteger(String s)
Converts a string into an integer. |
static float | convertSVGNumber(String s)
Converts a string into a float. |
static float[] | convertSVGNumberList(SVGNumberList l)
Converts an SVGNumberList into a float array. |
static Float[] | convertSVGNumberOptionalNumber(Element elem, String attrName, String attrValue, BridgeContext ctx)
This function parses attrValue for a number followed by an optional
second Number. |
static AffineTransform | convertTransform(Element e, String attr, String transform, BridgeContext ctx)
Returns an AffineTransform according to the specified parameters.
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protected static Rectangle2D | extendRegion(String dxStr, String dyStr, String dwStr, String dhStr, short unitsType, GraphicsNode filteredNode, Rectangle2D region, Context uctx)
Returns a rectangle that represents the region extended by the
specified differential coordinates.
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static Rectangle2D | getBaseFilterPrimitiveRegion(Element filterPrimitiveElement, Element filteredElement, GraphicsNode filteredNode, Rectangle2D defaultRegion, BridgeContext ctx) |
static String | getChainableAttributeNS(Element element, String namespaceURI, String attrName, BridgeContext ctx)
Returns the value of the specified attribute specified on the
specified element or one of its ancestor. |
static String | getDescription(SVGElement elt)
Returns the content of the 'desc' child of the given element. |
static Element | getParentElement(Element elt)
Returns the logical parent element of the given element.
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static boolean | matchUserAgent(Element elt, UserAgent ua)
Tests whether or not the given element match a specified user agent.
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protected static boolean | matchUserLanguage(String s, String userLanguages)
Tests whether or not the specified language specification matches
the user preferences.
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static short | parseCoordinateSystem(Element e, String attr, String coordinateSystem, BridgeContext ctx)
Parses the specified coordinate system defined by the specified element.
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static short | parseMarkerCoordinateSystem(Element e, String attr, String coordinateSystem, BridgeContext ctx)
Parses the specified coordinate system defined by the specified
marker element.
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static AffineTransform | toObjectBBox(AffineTransform Tx, GraphicsNode node)
Returns an AffineTransform to move to the objectBoundingBox
coordinate system.
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static Rectangle2D | toObjectBBox(Rectangle2D r, GraphicsNode node)
Returns the specified a Rectangle2D move to the objectBoundingBox
coordinate system of the specified graphics node.
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Parameters: filterElement the filter element that defines the attributes filteredElement the element referencing the filter filteredNode the graphics node to filter (objectBoundingBox) ctx the bridge context
Parameters: filterPrimitiveElement the filter primitive element filterElement the filter element filteredElement the element referencing the filter filteredNode the graphics node to use (objectBoundingBox) defaultRegion the default region to filter filterRegion the filter chain region ctx the bridge context
Parameters: filterPrimitiveElement the filter primitive element filteredElement the element referencing the filter filteredNode the graphics node to use (objectBoundingBox) defaultRegion the default region to filter filterRegion the filter chain region ctx the bridge context
Parameters: filterElement the filter element ctx the bridge context
Parameters: length the length attr the name of the attribute that represents the length unitsType the coordinate system (OBJECT_BOUNDING_BOX | USER_SPACE_ON_USE) uctx the unit processor context
Parameters: maskElement the mask element that defines the various attributes maskedElement the element referencing the mask maskedNode the graphics node to mask (objectBoundingBox) ctx the bridge context
Parameters: patternElement the pattern element that defines the attributes paintedElement the element referencing the pattern paintedNode the graphics node to paint (objectBoundingBox) ctx the bridge context
Parameters: xStr the x coordinate xAttr the name of the attribute that represents the x coordinate yStr the y coordinate yAttr the name of the attribute that represents the y coordinate unitsType the coordinate system (OBJECT_BOUNDING_BOX | USER_SPACE_ON_USE) uctx the unit processor context
Parameters: v the ratio value to convert
Throws: NumberFormatException if the ratio is not a valid number or percentage
Parameters: xStr the x coordinate of the region yStr the y coordinate of the region wStr the width of the region hStr the height of the region targetNode the graphics node (needed for objectBoundingBox) uctx the unit processor context (needed for userSpaceOnUse)
0f
if the attribute is missing
or given as "none"
.
Parameters: e the element from which to retrieve the 'snapshotTime' attribute ctx the BridgeContext to use for error information
Parameters: s the integer representation to convert
Parameters: s the float representation to convert
Parameters: l the list to convert
Parameters: e the element that defines the transform attr the name of the attribute that represents the transform transform the transform to parse ctx the BridgeContext to use for error information
Parameters: dxStr the differential x coordinate of the region dyStr the differential y coordinate of the region dwStr the differential width of the region dhStr the differential height of the region unitsType specifies whether the values are in userSpaceOnUse or objectBoundingBox space region the region to extend uctx the unit processor context (needed for userSpaceOnUse)
Parameters: element the element to start with namespaceURI the namespace URI of the attribute to return attrName the name of the attribute to search ctx the bridge context
Returns: the value of the attribute or an empty string if not defined
Parameters: elt the element to check ua the user agent
Parameters: s the langage to check userLanguages the user langages
Parameters: e the element that defines the coordinate system attr the attribute which contains the coordinate system coordinateSystem the coordinate system to parse ctx the BridgeContext to use for error information
Returns: OBJECT_BOUNDING_BOX | USER_SPACE_ON_USE
Parameters: e the element that defines the coordinate system attr the attribute which contains the coordinate system coordinateSystem the coordinate system to parse ctx the BridgeContext to use for error information
Returns: STROKE_WIDTH | USER_SPACE_ON_USE
Parameters: Tx the original transformation node the graphics node that defines the coordinate system to move into
Parameters: r the original Rectangle2D node the graphics node that defines the coordinate system to move into