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fgdata/Nasal/canvas/map/FIX.symbol

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# See: http://wiki.flightgear.org/MapStructure
# Class things:
var name = 'FIX';
var parents = [DotSym];
var __self__ = caller(0)[0];
DotSym.makeinstance( name, __self__ );
SymbolLayer.get(name).df_style = {
line_width: 3,
scale_factor: 1,
font: "LiberationFonts/LiberationSans-Regular.ttf",
font_color: [0,0,0],
font_size: 28,
color: [0, 0.6, 0.85],
show_labels: 1,
};
var element_type = "group"; # we want a group, becomes "me.element"
##
# used during initialization to populate the symbol cache with a FIX symbol
#
var drawFIX = func(group) {
group.createChild("path")
.moveTo(-15,15)
.lineTo(0,-15)
.lineTo(15,15)
.close()
.setStrokeLineWidth(line_width)
.setColor(color);
}
var _name = name;
var init = func {
# initialize the cached fix symbol
var draw_fn = me.getOption('draw_function');
if(typeof(draw_fn) != 'func')
draw_fn = drawFIX;
var cache = StyleableCacheable.new(
name:_name,
draw_func: draw_fn,
cache: SymbolCache32x32,
draw_mode: SymbolCache.DRAW_CENTERED,
relevant_keys: ["line_width", "color"],
);
cache.render(me.element, me.style).setScale(me.style.scale_factor);
var txt_offset = me.getStyle('text_offset', [17, 35]);
var txt_color = me.getStyle('text_color', [0,0.6,0.85]);
# non-cached stuff:
if (me.style.show_labels){
me.text_fix = me.newText(me.model.id).
setScale(me.style.scale_factor).
setTranslation(txt_offset).
setColor(txt_color);
}
}
var draw = func {me.callback('draw');};