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Annotation of researchv10dc/man/adm/man9/jf.9, revision 1.1.1.1

1.1       root        1: .TH JF 9.1
                      2: .CT 1 editor graphics
                      3: .SH NAME
                      4: jf \- font editor
                      5: .SH SYNOPSIS
                      6: .B jf
                      7: [
                      8: .I file ...
                      9: ]
                     10: .SH DESCRIPTION
                     11: .I Jf
                     12: edits jerq font files.
                     13: If
                     14: .I file
                     15: does not begin with a slash and is not a font file,
                     16: it is looked up in a standard font directory.
                     17: .PP
                     18: .I Jf
                     19: is mostly mouse- and
                     20: menu-driven, except when prompting for file names.
                     21: .I Jf
                     22: divides its layer into two types of areas:
                     23: Font displays
                     24: show all characters in a given font in actual size.
                     25: When characters are opened for editing, they appear magnified in
                     26: edit displays.
                     27: .PP
                     28: Button 1
                     29: is the `do it' button.
                     30: Clicking button 1 inside a font display
                     31: opens a character for editing; inside an edit display
                     32: it sets a pixel.
                     33: It may have other functions selected via menus, in which case the function
                     34: is indicated by a special cursor.
                     35: .PP
                     36: Button 2
                     37: is the `undo it' button.
                     38: Clicking button 2 closes a character or clears a
                     39: pixel, unless conditioned otherwise via menu selection.
                     40: .PP
                     41: Button 3
                     42: is the `menu' button.
                     43: Clicking button 3 selects a menu, pops control
                     44: back to the top level, or (when the gunsight cursor shows)
                     45: picks a font or character to be affected.
                     46: Sometimes menu selection is the only (non-trivial)
                     47: option available, as indicated by a `menu' cursor.
                     48: .PP
                     49: A font is described by several parameters; these are either read from the
                     50: font file, or set by default by the
                     51: .B make new font
                     52: function:
                     53: .B max width
                     54: (default 16 pixels),
                     55: .B height
                     56: (16)\-measured from the top,
                     57: .B ascent
                     58: (16)\-the distance of the printing baseline from the top, and
                     59: .B range
                     60: (1)\-the highest-numbered character in the font.
                     61: (The first character is numbered 0.)
                     62: All may be changed under the
                     63: .B set sizes
                     64: menu.
                     65: .B Squeeze font,
                     66: in the
                     67: .B open/close font
                     68: menu, reduces max width as much as possible.
                     69: .PP
                     70: Each character has a width, which is shown by the length of the baseline
                     71: in the edit display.
                     72: The
                     73: .B char width
                     74: may be set under the
                     75: .B set sizes
                     76: menu; button 1 sets it to 0, button 2 sets it to a specified pixel
                     77: within the max width.
                     78: The quantity
                     79: .B char left
                     80: may be used for kerning.
                     81: If positive, it shifts a character right and causes
                     82: .B max width
                     83: to increase if necessary; if negative, the character will be shifted
                     84: left.
                     85: Otherwise
                     86: .I char left
                     87: is irrelevant to font editing.
                     88: .PP
                     89: The
                     90: .B bit function
                     91: menu controls copying among characters in any of the
                     92: .IR bitblt (9.3)
                     93: Codes:
                     94: .BR F_STORE ,
                     95: .BR F_CLR ,
                     96: .BR F_OR ,
                     97: .BR F_XOR.
                     98: Press button 3 on the source character; hold it down while moving and
                     99: release it on the destination.
                    100: .PP
                    101: Several fonts may be open at once.
                    102: When editing a font, it is often convenient to open a second copy
                    103: for recovering botched characters.
                    104: .SH FILES
                    105: .TF /usr/jerq/include/font.h
                    106: .TP
                    107: .F /usr/jerq/font/*
                    108: jerq fonts
                    109: .TP
                    110: .F /usr/jerq/include/font.h
                    111: jerq font header file
                    112: .SH SEE ALSO
                    113: .IR font (9.5)
                    114: .SH DIAGNOSTICS
                    115: When out of memory or screen area, 
                    116: .I jf
                    117: ignores the offending operation.

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