dh_Label:
Same as Lokasenna Label except for changed property names.
Added property 'text_pos' which can be "left", "center", or "right".
This allows additional control when placing the label.
Note: init and draw functions added then subtracted 2 pixels
from gfx.x and gfx.h. This caused labels to be displayed
at design x minus 2 causing problems with tight layout.
Changed to eliminate add/subtract.
Doesn't seem to be causing any problems.
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attribute: property_name default value
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text: text "Label"
font: font "sans22"
text position: text_pos "left"
text shadow: shadow_text false
-- colors --
background: col_bg "wnd_bg"
text: col_text "txt"
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