OWBasic for Pocketviewer

Home INTRO Group PROCEDURE Alphabetical Index

Graphics procedures

The visualisation of drawn graphics must be forced by SHOW. An immediate visualisation after each individual graphic operation would slow down strongly the processing of the program.


PSET, PIXELSet or read Pixel
LINELine draw
CIRCLE, ELLIPSEDraw circle or ellipse
BOXBox (Rectangle) draw
POLYGONPolygon draw
DRAWICONDraw an icon
GETICONPick a graphic from current screen
RESIZEICONResize a given graphic
ICONPIX, SETICONPIXRead/Write Pixel of a icon
DRAWSTRINGString write
STRINGSIZE, STRINGHEIGHTSize of the string representation
IGRAPHRepresentation of an internal graphic of the PV
SHOWRepresentation update
CLSClear Screen
SCROLLMove a screen area
INSIDEG!, INSIDE!Check coordinates
MSGBOXDrawing a message box
SBDRAW, SBTOUCHScroll bar operations

It is usually not useful to mix graphic procedures with text oriented procedures.


  • GRAPHIO - Input and Output on Graphic Screen
  • TEXT - Standard text input and output
Home INTRO Group PROCEDURE Alphabetical Index