Text related core functions

[jfacorro]

• available-fonts - "A sequence of strings representing the fonts on this system available for use"
• create-font - "Dynamically converts a font to the format used by Processing (a PFont) from either a font name that's installed on the computer, or from a "
• font-available? - "Returns true if font (specified as a string) is available on this system, false otherwise"
• horizontal-alignment-modes
• load-font - "Loads a font into a variable of type PFont"
• text - "Draws text to the screen in the position specified by the x and y parameters and the optional z parameter"
• text-align - "Sets the current alignment for drawing text"
• text-ascent - "Returns the ascent of the current font at its current size"
• text-char - "Draws a char to the screen in the specified position"
• text-descent - "Returns descent of the current font at its current size"
• text-font - "Sets the current font that will be drawn with the text function"
• text-leading - "Sets the spacing between lines of text in units of pixels"
• text-mode - "Sets the way text draws to the screen - available modes are :model and :shape In the default configuration (the :model mode), it's possible to rotate, scale, and place letters in two and three dimensional space"
• text-num - "Draws a number to the screen in the specified position"
• text-size - "Sets the current font size"
• text-width - "Calculates and returns the width of any text string"
• vertical-alignment-modes