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File List | 1993-04-17 | 4.5 KB | 167 lines |
- List of supported HP-GL commands: Date: 92/10/20
- =================================
-
- hp2xx emulates a subset of the Hewlett-Packard 7550A plotter.
- The following manual was used as reference for command definitions:
-
- [1] "HP 7550A Interfacing and Programming Manual"
-
-
-
- Not all commands are supported. Among the non-supported commands
- are those which do not really apply to a software emulator, like:
-
- o commands affecting the communication between plotter and host computer,
-
- o commands for changing the behaviour of a real plotter, like
- plotting speed etc.,
-
- o commands for the control of plotter memory allocation,
-
- o commands causing various plotter outputs.
-
-
- Other non-supported commands would be desirable, but were left out
- due to their inherent complexity (or just because nobody pushed me, :-) ).
- Among those are:
-
- o commands for font (character set) management.
- Since there is only one font built into hp2xx, there is
- no point in providing font switching etc.
-
- o windowing/clipping and rotation
-
- o polygon and box filling commands
-
-
- The remainder of this file tabulates all HP-GL commands listed on
- pages 1-2 to 1-4 in [1] and marks them as either
-
- not applicable (.),
- ignored (-), or
- supported (+)
-
- I use the label "supported" when I think the command is fully supported
- only in the context of the already implemented commands. In general,
- you should have absolutely no problem with this class of commands.
-
- Though there still are unsupported commands, this does not mean that
- you might have trouble using hp2xx. Nowadays, most HP-GL files are
- machine-generated, e.g. by CAD or DTP programs. These tend to make use
- of just a simple subset of HP-GL. To my experience, chances are high
- that hp2xx will give you the picture you want!
-
-
-
-
- HP-GL|s n| Description & Remarks
- Cmd | i |
- =====|===|========================================================
- AA |+ | Arc Absolute
- AF |+ | [same as PG]
- AH |+ | [same as PG]
- AP | .| Automatic pen operations
- AR |+ | Arc Relative
- AS | .| Acceleration select
- | |
- BF | - | Buffer Plot
- BL |+ | Buffer Label
- | |
- CA | - | Designate alternate character set
- CC | - | Character Chord angle
- CI |+ | Circle
- CM | - | Character selection mode
- CP |+ | Character plot
- CS | - | Designate standard character set
- CT | - | Chord tolerance
- CV | - | Curved line generator
- | |
- DC | .| Digitize clear
- DF |+ | Default
- DI |+ | Absolute direction
- DL | - | Define downloadable character
- DP | .| Digitize point
- DR |+ | Relative direction
- DS | - | Designate character into slot
- DT |+ | Define label terminator
- | |
- EA | - | Edge rectangle absolute
- EP | - | Edge polygon
- ER | - | Edge rectangle relative
- ES |+ | Extra space
- EW | - | Edge wedge
- | |
- FP | - | Fill polygon
- FS | .| Force select
- FT | - | Fill type
- | |
- GC | .| Group count
- GM | .| Graphics memory
- | |
- IM | - | Input mask
- IN |+ | Initialize
- IP |+ | Input P1 and P2
- IV | - | Invoke character slot
- IW | - | Input window
- | |
- KY | .| Define key
- | |
- LB |+ | Label
- LO |+ | Label origin
- LT |+ | Line type
- | |
- NR | .| Not ready (unload page)
- | |
- OA | .| Output actual position and pen status
- OC | .| Output commanded position and pen status
- OD | .| Output digitized point and pen status
- OE | - | Output error
- OF | - | Output factors
- OG | .| Output group count
- OH | - | Output hard-clip limits
- OI | .| Output identification
- OK | .| Output key
- OL | - | Output label length
- OO | .| Output options
- OP |+ | Output P1 and P2
- OS | - | Output status
- OT | .| Output carousel type
- OW | - | Output window
- | |
- PA |+ | Plot absolute
- PB |+ | Print buffered label
- PD |+ | Pen down
- PG |+ | Page feed
- PR |+ | Plot relative
- PT | - | Pen thickness
- PU |+ | Pen up
- | |
- RA | - | Fill reactangle absolute
- RO | - | Rotate coordinate system [use option -r instead!]
- RP | - | Replot
- RR | - | Fill reactangle relative
- | |
- SA | - | Select alternate character set
- SC |+ | Scale
- SI |+ | Absolute character size
- SL |+ | Character slant
- SM |+ | Symbol mode
- SP |+ | Select pen
- SR |+ | Relative character size
- SS | - | Select standard character set
- | |
- TL |+ | Tick length
- | |
- UC |+ | User-defined character
- UF | - | User-defined fill type
- | |
- VS | .| Velocity select
- | |
- WD |+ | Write to display
- WG | - | Fill wedge
- | |
- XT |+ | X-Tick
- | |
- YT |+ | Y-Tick
-
-