| Name | Description |
| IGrColour | Select graphics colour using a colour name |
| IGrColourModel | Select 8-bit or 24-bit colour model |
| IGrColourN | Select graphics colour using a colour number |
| IGrFillPattern | Define fill pattern (solid/stippled/hatched) |
| IGrLineType | Select line type (solid, dots, dashes or dot/dash) |
| IGrLineWidth | Set line width |
| IGrPaletteHLS | Redefine colour palette using HLS colour scheme |
| IGrPaletteInit | Re-initialise colour palette to default values |
| IGrPaletteRGB | Redefine colour palette using RGB colour scheme |
| IGrPlotMode | Select plotting mode (normal/and/or/exclusive-or) |
| Name | Description |
| IGrArc | Draw/fill circular arc at an absolute position |
| IGrArcRel | Draw/fill circular arc at the current position |
| IGrArrow | Draw an arrow pointing to a specified position |
| IGrArrowJoin | Draw an arrow joining two points |
| IGrBlockCopy | Bit block copy |
| IGrBlockMove | Bit block move |
| IGrBorder | Draw border around current graphics area |
| IGrCircle | Draw/fill circle at an absolute position |
| IGrCircleRel | Draw/fill circle at the current position |
| IGrCurve | Draw smooth curve through set of absolute co-ords |
| IGrEllipse | Draw/fill an ellipse at an absolute position |
| IGrEllipseRel | Draw/fill an ellipse at the current position |
| IGrJoin | Draw line between two absolute plotting positions |
| IGrJoinRel | Draw line from absolute position to a relative pos |
| IGrLineTo | Draw line to a new absolute position |
| IGrLineToRel | Draw line to a new relative position |
| IGrMarker | Draw predefined marker at an absolute position |
| IGrMarkerRel | Draw predefined marker at the current position |
| IGrMoveTo | Move current plotting position to a new absolute pos |
| IGrMoveToRel | Move current plotting position to a new relative pos |
| IGrParallel | Draw/fill parallelogram given absolute co-ordinates |
| IGrParallelRel | Draw/fill parallelogram given height & width |
| IGrPoint | Draw a single point at new absolute position |
| IGrPointRel | Draw a single point at new relative position |
| IGrPolygonComplex | Draw/fill a complex (possibly intersecting) polygon |
| IGrPolygonGrad | Graduated colour polygon fill |
| IGrPolygonSimple | Draw/fill a simple non-intersecting polygon |
| IGrPolyLine | Draw a polyline through a set of absolute co-ordinates |
| IGrRectangle | Draw/fill rectangle given absolute co-ordinates |
| IGrRectangleRel | Draw/fill rectangle given height & width |
| IGrTrapezium | Draw/fill trapezium given absolute co-ordinates |
| IGrTrapeziumRel | Draw/fill trapezium given height & width |
| IGrTriangle | Draw/fill triangle given absolute co-ordinates |
| IGrTriangleRel | Draw/fill triangle given two relative co-ordinates |
| Name | Description |
| IGrCharConvert | Convert character set definition file to binary format |
| IGrCharDirection | Select graphics text direction |
| IGrCharFont | Select hardware-specific font |
| IGrCharJustify | Select graphics text justification |
| IGrCharLength | Return relative length of string allowing for prop spacing |
| IGrCharOut | Output character string at an absolute (x,y) pos |
| IGrCharOutRel | Output character string at current plotting pos |
| IGrCharRotate | Select graphics text rotation angle |
| IGrCharSet | Select graphics character set to use for text output |
| IGrCharSize | Select graphics text size |
| IGrCharSlant | Select graphics text slant |
| IGrCharSpace | Specify relative space occupied by a proportional char |
| IGrCharSpacing | Select fixed or proportional spacing |
| IGrCharUnderline | Enable/disable text underlining |
| Name | Description |
|---|
| IGrEndPage | Start a new page of graphical output |
| IGrHardColourToPen | Define colour-number to plotter-pen mapping |
| IGrHardCopy | Enable/disable graphics hardcopy output |
| IGrHardCopyOptions | Define hardcopy options (page size, position, etc.) |
| IGrHardCopyOptLoad | Load hardcopy options from a file |
| IGrHardCopyOptSave | Save hardcopy options to a file |
| IGrHardCopySelect | Select hardcopy driver |
| IGrHardCopySelFile | Select hardcopy driver & options from a file |
| IGrHardCopyTextFile | Print an ASCII text file |
| IGrPrintImage | Dump graphics area to printer/print file |
| IGrSaveImage | Save graphics area to disc as a bit image |
| IGrSaveImageData24 | Save 24-bit raw bitmap data to a BMP/PCX file |
| IGrSaveImageData8 | Save 8-bit raw bitmap data to a BMP/PCX file |