Printers.PGM

		type PGM_Printer
	Public representation.

		type PGM_Printer_Access
	Pointer to representation data.

		function Create
	Constructor for instances.
	Param  Type  Description in Filename  String  The initial filename. return  PGM_Printer_Access  The newly created pgm printer.

		function Get_Format
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. return  String  Maximum of four characters.

		procedure Set_Bounds
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. in Bounds  Rectangle  The new bounding box. in Staff_Height  Real  Output zoom factor.

		procedure Print_Staff_Lines
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance.

		procedure Print
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. access Add  Glyph  Add this glyph. in Center  Vector  Center coordinates.

		procedure To_Pixels
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. in Box  Rectangle  Convert this box. out Left  Integer  Horizontal minimum. out Top  Integer  Vertical minimum. out Right  Integer  Horizontal maximum. out Bottom  Integer  Vertical maximum.

		procedure Darken_Pixel
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. in Y, X  Integer  Darken this pixel. in Color  Gray_Pixel  Desired color.

		procedure Frame_Box
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. in Box  Rectangle  Box coordinates. in Color  Gray_Pixel  Use this color.

		procedure Fill_Box
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance. in Box  Rectangle  Box coordinates. in Color  Gray_Pixel  Use this color.

		procedure Write
	Param  Type  Description access This  PGM_Printer  The pgm printer object instance.