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CHAPTER 7: Advanced Features
Table 7-4. The Card’s Graphics Language: Commands
Graphical Element
GL Command String
Line
¬GL<line width;<x start>;<y start>;<x end>;<y end>
Box
¬GB<line width>;<x start>;<y start>;<x end>;<y end>;
<% shading>
Circles
¬GC<line width>;<x center>;<y center>;<radius>;
<% shading>
Arc
¬GA<line width>;<x start>;<y start>;<x center>;
<y center>;<angle of rotation>
Shading/Color
¬GS<# of values>;<color 1>;<% shading 1>;
<color 2>;<% shading 2>;...
Pie Chart
¬GP<line width>;<x center>;<y center>;<radius>;<# of
segments>;<segment value 1>;<segment value 2>;...
Bar Chart (Histogram)
¬GH<line width>;<x start>;<y start>;<x-increment>;<y
increment>;<bar width>;<# of entries>;<value 1>;<value
2>;...
Run (Line) Chart
¬GR<line width>;<x start>;<y start>;<x-increment>;
<y-increment>;<# of entries>;<value 1>;<value 2>;...
Text Rotation
¬GT<x start>;<y start>;<angle of rotation>;<'text'>
Comments
¬GX<'text'>
