Package jexer.tterminal

Class DisplayLine

  • public class DisplayLine
extends java.lang.Object
    This represents a single line of the display buffer.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      Cell charAt​(int idx)
      Get the Cell at a specific column.
      void clearImages()
      Clear image data from line.
      void delete​(int idx, Cell newCell)
      Delete character at the specified position, filling in the new character on the right with newCell.
      int getDoubleHeight()
      Get double height flag.
      void insert​(int idx, Cell newCell)
      Insert a character at the specified position.
      boolean isDoubleWidth()
      Get double width flag.
      boolean isImage()
      Determine if line contains image data.
      boolean isReverseColor()
      Get reverse video flag.
      int length()
      Get the length of this line.
      void replace​(int idx, Cell newCell)
      Replace character at the specified position.
      void setAttr​(int idx, CellAttributes attr)
      Set the attributes (just the attributes, not the char) at the specified position to attr.
      void setBlank​(int idx)
      Set the Cell at the specified position to the blank (reset).
      void setChar​(int idx, int ch)
      Set the character (just the char, not the attributes) at the specified position to ch.
      void setDoubleHeight​(int doubleHeight)
      Set double height flag.
      void setDoubleWidth​(boolean doubleWidth)
      Set double width flag.
      void setReverseColor​(boolean reverseColor)
      Set double-height flag.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • DisplayLine

        public DisplayLine​(DisplayLine line)
        Public constructor makes a duplicate (deep copy).
        Parameters:
        line - the line to duplicate

      • DisplayLine

        public DisplayLine​(CellAttributes attr)
        Public constructor sets everything to drawing attributes.
        Parameters:
        attr - current drawing attributes

    • Method Detail

      • charAt

        public Cell charAt​(int idx)
        Get the Cell at a specific column.
        Parameters:
        idx - the character index
        Returns:
        the Cell

      • length

        public int length()
        Get the length of this line.
        Returns:
        line length

      • isDoubleWidth

        public boolean isDoubleWidth()
        Get double width flag.
        Returns:
        double width

      • setDoubleWidth

        public void setDoubleWidth​(boolean doubleWidth)
        Set double width flag.
        Parameters:
        doubleWidth - new value for double width flag

      • getDoubleHeight

        public int getDoubleHeight()
        Get double height flag.
        Returns:
        double height

      • setDoubleHeight

        public void setDoubleHeight​(int doubleHeight)
        Set double height flag.
        Parameters:
        doubleHeight - new value for double height flag

      • isReverseColor

        public boolean isReverseColor()
        Get reverse video flag.
        Returns:
        reverse video

      • setReverseColor

        public void setReverseColor​(boolean reverseColor)
        Set double-height flag.
        Parameters:
        reverseColor - new value for reverse video flag

      • insert

        public void insert​(int idx,
                   Cell newCell)
        Insert a character at the specified position.
        Parameters:
        idx - the character index
        newCell - the new Cell

      • replace

        public void replace​(int idx,
                    Cell newCell)
        Replace character at the specified position.
        Parameters:
        idx - the character index
        newCell - the new Cell

      • setBlank

        public void setBlank​(int idx)
        Set the Cell at the specified position to the blank (reset).
        Parameters:
        idx - the character index

      • setChar

        public void setChar​(int idx,
                    int ch)
        Set the character (just the char, not the attributes) at the specified position to ch.
        Parameters:
        idx - the character index
        ch - the new char

      • setAttr

        public void setAttr​(int idx,
                    CellAttributes attr)
        Set the attributes (just the attributes, not the char) at the specified position to attr.
        Parameters:
        idx - the character index
        attr - the new attributes

      • delete

        public void delete​(int idx,
                   Cell newCell)
        Delete character at the specified position, filling in the new character on the right with newCell.
        Parameters:
        idx - the character index
        newCell - the new Cell

      • isImage

        public boolean isImage()
        Determine if line contains image data.
        Returns:
        true if the line has image data

      • clearImages

        public void clearImages()
        Clear image data from line.