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Macro Programming Language 118
Deko500 User’s Guide
Integer
An integer parameter specifies a whole number value, either positive or negative,
e.g., 3, 12967, -14, 0, etc.
If you specify a real value for an integer parameter, Deko500 ignores the fractional
component.
An example of an integer parameter is the number parameter of the
select_style_preset command, which sets the current style from the list of
preset styles:
select_style_preset [number=]
Switch
A switch parameter specifies a parameter that is either true or false. A true parameter
is either preceded by a hyphen (-) or followed by =1, while a false parameter is either
preceded by -no or followed by =0.
The following illustrates examples of the all switch parameter of the tab_clear
command:
tab_clear -all or tab_clear all=1
tab_clear -noall or tab_clear all=0
String
A string parameter specifies one or more alphanumeric characters (e.g., a letter, word
or sentence).
A string that contains spaces or non-alphanumeric characters must be enclosed in
quotation marks.
A typical string parameter is the name parameter of the file_open command,
which opens the file specified by name:
file_open name=
For example, to open the file named “my file”, the value of the parameter would be
the string, “my file”:
file_open “my file”
Choice
A choice parameter specifies one item from a list of possible choices.
Both parameters of the justify command are choice parameters:
justify [horizontal=] [vertical=]
Possible choices for horizontal are: left, right, center, full, spread,
off and unchanged; and for vertical: top, bottom, center, full,
baseline, off and unchanged.
Object
An object parameter specifies an object, a collection of values that is treated as a
single item. Typical objects in Deko500 include colors, shaders, ellipses, rectangles,
boxes, fonts and looks.
The letter command, which adds a letter to a text field, includes two object
parameters, font and look:
letter [character=] [font=] [look=] [tx=]\
[ty=] [code=] [insert=] [-show] [-attach]