STGRF(1) COMMAND REFERENCE STGRF(1) NAME st_grf - convert Smalltalk window dump format to GRF format SYNOPSIS stgrf -h stgrf [ -k colordefinitionsfile ] [ print_options ] file DESCRIPTION The filter program stgrf converts a Smalltalk format file produced from a copy of the screen display into the Generic Raster Format (GRF) for printing on a Tektronix color printer. The converted image file is written to standard output. This utility is called by the screencopy command (see screencopy(1)) with the -S option to produce hard copy output for a color printer. While in the Smalltalk environment, the System Background Menu is used to dump the screen to a file. This menu is available when the cursor is over the gray background (not in a window) and the middle mouse button is pressed. The copydisplay menu choice can be used to copy the screen bitmap to a file; the user is prompted for the file name. The file containing the screen bitmap is then supplied to the stgrf utility for conversion to GRF either by invoking the screencopy -S -F file command or by invoking the stgrf command. See the Tektronix Smalltalk User's Manual for more information on the Smalltalk environment. OPTIONS print_options The print_options are the same as those used by the screencopy command and are documented in screencopy(1). -h Generates an extended set of help messages for the stgrf command. No translation from Smalltalk dump format to GRF is produced when this option is given. -k colordefinitionsfile Specifies a color definition file for stgrf to use. This file contains an entry for each color defined, consisting of the RGB value separated by spaces or a tab with a character string used for the color name. The stgrf utility has the following colors predefined: 255 0 0 red, 0 255 0 green, 0 0 255 blue, 0 255 255 cyan, 255 0 255 magenta, 255 255 0 yellow, 255 255 255 white, and 0 0 0 black. Printed 5/19/88 1
STGRF(1) COMMAND REFERENCE STGRF(1) EXAMPLES This example translates a Smalltalk file into GRF and queues it to the default tcpr (tcpr(1mdqs)) Tektronix color printer. st_grf smalltalk_file >grf_file tcpr grf_file This example shows how to convert a Smalltalk file to GRF with grayshading image rendering and interpolation sizing on the Tektronix 4693D color printer. x_grf -e gray_shading -s interpolation -o 4693D smalltalk_file >grf_file FILES /usr/lib/tcpr/grf_header.xxxx Contains the default header for each of the color printers, where xxxx is the Tektronix 4692, 4693D, or 4696 printer. /usr/lib/tcpr/dbm_xxxx Contains a data base of valid printer options, where xxxx is a Tektronix 4692, 46923D, or 4696 color printer. The stgrf utility uses this file to check for valid command line options for each of the color printers and generate valid GRF header tags. RETURN VALUE [NO_ERRS] Command completed without error. [NP_ERR] An error occurred that was not a system error. Execution terminated. [NP_WARN] An error warranting a warning message occurred. Execution continues. [P_ERR] A system error occurred. Execution terminated. See intro(2) for more information on system errors. [P_WARN] A system error occurred. Execution continues. See intro(2) for more information on system errors. [USAGE] Incorrect command line syntax. Execution terminated. Printed 5/19/88 2
STGRF(1) COMMAND REFERENCE STGRF(1) SEE ALSO processing(1), screencopy(1), tcpr(1mdqs), x_grf(1), xwd(1x), dbm_469X(5), grf(5), and grf_header.469X(5). REFERENCES For more information, consult the Tektronix Smalltalk Users Manual and the Users Manual for your system. Printed 5/19/88 3
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