Class TextPainterHelper


  • public class TextPainterHelper
    extends java.lang.Object
    Helper class to draw texts with markups within the GanttChart. Currently used for rendering tooltips and section details. Following markups are supported:
    • \\ce - render the following text in black
    • \\c[0-9]{9} - render the following text in the specified rbg color (Note that there need to be nine digits)
    • \\s[0-9]{1,3} - render the following text with the specified font size
    • \\i - render the following text italic
    • \\b - render the following text bold
    • \\x - normalize, which means to reset the previous assigned markups and render with the default font and color
    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String cleanUp​(java.lang.String string)
      Removes all markups out of the given string.
      static org.eclipse.swt.graphics.Point drawText​(org.eclipse.swt.graphics.GC gc, java.lang.String text, int x, int y)
      Will draw the given text to the given GC.
      static org.eclipse.swt.graphics.Color getColor​(java.lang.String str)
      Gets the color for a color markup in the given string.
      static int getSize​(java.lang.String str)
      Gets the font size out of a size markup in the given string.
      static boolean isBold​(java.lang.String str)
      Checks for the existence of the bold markup.
      static boolean isItalic​(java.lang.String str)
      Checks for the existence of the italic markup.
      static boolean isNormalize​(java.lang.String str)
      Checks for the existence of the normalize markup.
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Constructor Detail

      • TextPainterHelper

        public TextPainterHelper()
    • Method Detail

      • drawText

        public static org.eclipse.swt.graphics.Point drawText​(org.eclipse.swt.graphics.GC gc,
                                                              java.lang.String text,
                                                              int x,
                                                              int y)
        Will draw the given text to the given GC. Before drawing the containing markups will be interpreted to apply color and font settings.
        Parameters:
        gc - The GC to draw the text to
        text - The text to draw
        x - The x coordinate where the text should be drawed to the GC
        y - The y coordinate where the text should be drawed to the GC
        Returns:
        The end point of the drawed text.
      • cleanUp

        public static java.lang.String cleanUp​(java.lang.String string)
        Removes all markups out of the given string. Needed to render after all markups have been resolved.
        Parameters:
        string - The string whose markups should be removed.
        Returns:
        The given string without any further markups.
      • isNormalize

        public static boolean isNormalize​(java.lang.String str)
        Checks for the existence of the normalize markup. The normalize markup can be used to reset all former assigned markups for the following text to render. The normalize markup is \\x
        Parameters:
        str - The string to check for the normalize markup
        Returns:
        true if the given string contains the normalize markup
      • isBold

        public static boolean isBold​(java.lang.String str)
        Checks for the existence of the bold markup. The bold markup is \\b
        Parameters:
        str - The string to check for the bold markup
        Returns:
        true if the given string contains the bold markup
      • isItalic

        public static boolean isItalic​(java.lang.String str)
        Checks for the existence of the italic markup. The italic markup is \\i
        Parameters:
        str - The string to check for the italic markup
        Returns:
        true if the given string contains the italic markup
      • getSize

        public static int getSize​(java.lang.String str)
        Gets the font size out of a size markup in the given string. A size markup is specified \\s[0-9]{1,3}
        Parameters:
        str - The string containing the size markup
        Returns:
        The font size to use for rendering
      • getColor

        public static org.eclipse.swt.graphics.Color getColor​(java.lang.String str)
        Gets the color for a color markup in the given string. A color markup is either \\ce for black or \\c[0-9]{9} to specify a custom color by rgb code
        Parameters:
        str - The string containing a color markup
        Returns:
        The Color that is specified by the color markup