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