Class TextSvgBranchRenderer

java.lang.Object
com.itextpdf.svg.renderers.impl.AbstractSvgNodeRenderer
com.itextpdf.svg.renderers.impl.TextSvgBranchRenderer
All Implemented Interfaces:
ISvgTextNodeRenderer, ISvgNodeRenderer
Direct Known Subclasses:
TextSvgTSpanBranchRenderer
public class TextSvgBranchRenderer extends AbstractSvgNodeRenderer implements ISvgTextNodeRenderer
ISvgNodeRenderer implementation for the <text> and <tspan> tag.

  • Field Details

    • TEXTFLIP

      protected static final AffineTransform TEXTFLIP
      Top level transformation to flip the y-axis results in the character glyphs being mirrored, this tf corrects for this behaviour

    • children

      private final List<ISvgTextNodeRenderer> children

    • performRootTransformations

      @Deprecated protected boolean performRootTransformations
      Deprecated.

    • paragraph

      private Paragraph paragraph

    • objectBoundingBox

      private Rectangle objectBoundingBox

    • moveResolved

      private boolean moveResolved

    • xMove

      private float xMove

    • yMove

      private float yMove

    • posResolved

      private boolean posResolved

    • xPos

      private float[] xPos

    • yPos

      private float[] yPos

    • whiteSpaceProcessed

      private boolean whiteSpaceProcessed

  • Constructor Details

  • Method Details

    • createDeepCopy

      public ISvgNodeRenderer createDeepCopy()
      Description copied from interface: ISvgNodeRenderer
      Creates a deep copy of this renderer, including it's subtree of children
      Specified by:
      createDeepCopy in interface ISvgNodeRenderer
      Returns:
      deep copy of this renderer

    • fillCopy

      void fillCopy(TextSvgBranchRenderer copy)

    • addChild

      public final void addChild(ISvgTextNodeRenderer child)
      Adds a child to the current TextSvgBranchRenderer renderer.
      Parameters:
      child - ISvgTextNodeRenderer child to add

    • getChildren

      public final List<ISvgTextNodeRenderer> getChildren()
      Retrieves a list of all children of the current TextSvgBranchRenderer renderer.
      Returns:
      a list of ISvgTextNodeRenderer children

    • getTextContentLength

      @Deprecated public float getTextContentLength(float parentFontSize, PdfFont font)
      Deprecated.
      Description copied from interface: ISvgTextNodeRenderer
      Gets text content length.
      Specified by:
      getTextContentLength in interface ISvgTextNodeRenderer
      Parameters:
      parentFontSize - parent font size
      font - current font
      Returns:
      text content length

    • getRelativeTranslation

      @Deprecated public float[] getRelativeTranslation()
      Deprecated.
      Description copied from interface: ISvgTextNodeRenderer
      This method is deprecated and will be replaced with new signature getRelativeTranslation(SvgDrawContext). This is needed because xMove/yMove can contain relative values, so SvgDrawContext is needed to resolve them.
      Specified by:
      getRelativeTranslation in interface ISvgTextNodeRenderer
      Returns:
      text relative translation

    • getRelativeTranslation

      public float[] getRelativeTranslation(SvgDrawContext context)
      Gets relative translation of the current <text> or <tspan> element.
      Parameters:
      context - current SvgDrawContext
      Returns:
      float array that contains relative dx and dy translations

    • containsRelativeMove

      @Deprecated public boolean containsRelativeMove()
      Deprecated.
      Description copied from interface: ISvgTextNodeRenderer
      This method is deprecated and will be replaced with new signature containsRelativeMove(SvgDrawContext). This is needed because xMove/yMove can contain relative values, so SvgDrawContext is needed to resolve them.
      Specified by:
      containsRelativeMove in interface ISvgTextNodeRenderer
      Returns:
      true if there is a relative move, false otherwise

    • containsRelativeMove

      public boolean containsRelativeMove(SvgDrawContext context)
      Checks whether current <text> or <tspan> element contains relative position change.
      Parameters:
      context - current SvgDrawContext
      Returns:
      true is current element contains relative position, false otherwise

    • containsAbsolutePositionChange

      public boolean containsAbsolutePositionChange()
      Description copied from interface: ISvgTextNodeRenderer
      This method is deprecated and will be replaced with new signature containsAbsolutePositionChange(SvgDrawContext). This is needed because x/y can contain relative values, so SvgDrawContext is needed to resolve them.
      Specified by:
      containsAbsolutePositionChange in interface ISvgTextNodeRenderer
      Returns:
      true if an absolute position is specified via x/y attributes, false otherwise

    • containsAbsolutePositionChange

      public boolean containsAbsolutePositionChange(SvgDrawContext context)
      Checks whether current <text> or <tspan> element contains absolute position attributes.
      Parameters:
      context - current SvgDrawContext
      Returns:
      true is current element contains absolute position, false otherwise

    • getAbsolutePositionChanges

      public float[][] getAbsolutePositionChanges()
      Description copied from interface: ISvgTextNodeRenderer
      This method is deprecated and will be replaced with new signature getAbsolutePositionChanges(SvgDrawContext). This is needed because x/y can contain relative values, so SvgDrawContext is needed to resolve them.
      Specified by:
      getAbsolutePositionChanges in interface ISvgTextNodeRenderer
      Returns:
      text absolute position

    • getAbsolutePositionChanges

      public float[][] getAbsolutePositionChanges(SvgDrawContext context)
      Gets absolute position of the current <text> or <tspan> element.
      Parameters:
      context - current SvgDrawContext
      Returns:
      float array that contains absolute x and y positions as either single item arrays or null if attribute is not present

    • markWhiteSpaceProcessed

      public void markWhiteSpaceProcessed()
      Marks white-space property as processed.

    • getTextRectangle

      public TextRectangle getTextRectangle(SvgDrawContext context, Point startPoint)
      Description copied from interface: ISvgTextNodeRenderer
      Return the bounding rectangle of the text element.
      Specified by:
      getTextRectangle in interface ISvgTextNodeRenderer
      Parameters:
      context - current SvgDrawContext
      startPoint - end point of previous text element
      Returns:
      created instance of TextRectangle

    • getObjectBoundingBox

      public Rectangle getObjectBoundingBox(SvgDrawContext context)
      Description copied from interface: ISvgNodeRenderer
      Calculates the current object bounding box.
      Specified by:
      getObjectBoundingBox in interface ISvgNodeRenderer
      Parameters:
      context - the current context, for instance it contains current viewport and available font data
      Returns:
      the Rectangle representing the current object's bounding box, or null if bounding box is undefined

    • preDraw

      void preDraw(SvgDrawContext context)
      Description copied from class: AbstractSvgNodeRenderer
      Operations to perform before drawing an element. This includes setting stroke color and width, fill color.
      Overrides:
      preDraw in class AbstractSvgNodeRenderer
      Parameters:
      context - the svg draw context

    • doDraw

      protected void doDraw(SvgDrawContext context)
      Method that will set properties to be inherited by this branch renderer's children and will iterate over all children in order to draw them.
      Specified by:
      doDraw in class AbstractSvgNodeRenderer
      Parameters:
      context - the object that knows the place to draw this element and maintains its state

    • applyFontProperties

      void applyFontProperties(IElement element, SvgDrawContext context)

    • applyTextRenderingMode

      void applyTextRenderingMode(IElement element)

    • addTextChild

      void addTextChild(Text text, SvgDrawContext drawContext)

    • performDrawing

      void performDrawing(SvgDrawContext context)

    • startNewTextChunk

      private void startNewTextChunk(SvgDrawContext context, AffineTransform newTransform)

    • drawLastTextChunk

      private void drawLastTextChunk(SvgDrawContext context)

    • applyFillAndStrokeProperties

      void applyFillAndStrokeProperties(AbstractSvgNodeRenderer.FillProperties fillProperties, AbstractSvgNodeRenderer.StrokeProperties strokeProperties, SvgDrawContext context)
      Overrides:
      applyFillAndStrokeProperties in class AbstractSvgNodeRenderer

    • resolveRelativeTextMove

      private void resolveRelativeTextMove(SvgDrawContext context)

    • resolveAbsoluteTextPosition

      private void resolveAbsoluteTextPosition(SvgDrawContext context)

    • getPositionsFromString

      private float[] getPositionsFromString(String rawValuesString, SvgDrawContext context, boolean isHorizontal)

    • getTextTransform

      private static AffineTransform getTextTransform(float[][] absolutePositions, SvgDrawContext context)

    • getCommonRectangleWithAnchor

      private static Rectangle getCommonRectangleWithAnchor(Rectangle commonRect, Rectangle textChunkRect, float absoluteX, String textAnchorValue)
      Adjust absolutely positioned text chunk (shift it to the start of view port, apply text anchor) and merge it with the common text rectangle.
      Parameters:
      commonRect - rectangle for the whole text tag
      textChunkRect - rectangle for the last absolutely positioned text chunk
      absoluteX - last absolute x position
      textAnchorValue - text anchor for the last text chunk
      Returns:
      merged common text rectangle

    • deepCopyChildren

      private void deepCopyChildren(TextSvgBranchRenderer deepCopy)

    • applyTextAnchor

      private void applyTextAnchor()

    • applyTextAnchor

      private void applyTextAnchor(String textAnchorValue, boolean isRtl)

    • getStartPoint

      private Point getStartPoint(SvgDrawContext context, Point basePoint)

    • collectChildren

      private void collectChildren(List<ISvgTextNodeRenderer> children)