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NDB Symbol for MapStructure Layers

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This commit is contained in:
Stuart Buchanan 2018-02-02 16:06:15 +00:00
parent 67b95bb1fe
commit 6f6cc8f925
1 changed files with 74 additions and 5 deletions
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79
Nasal/canvas/map/NDB.symbol
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@ -1,7 +1,76 @@
# See: http://wiki.flightgear.org/MapStructure
DotSym.makeinstance('NDB', {
parents: [SVGSymbol],
svg_path: "/gui/dialogs/images/ndb_symbol.svg",
#cacheable: 1,
});
# Class things:
var name = 'NDB';
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: [0.5, 0, 0.5],
dash_array: [0,2,0,2],
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 drawNDB = func(group) {
group.createChild("path")
.moveTo(-4, 0)
.horizTo(4)
.moveTo(0, -4)
.vertTo(4)
.moveTo(-8, 0)
.arcSmallCW(8,8,0,16,0)
.arcSmallCW(8,8,0,-16,0)
.moveTo(-15,0)
.arcSmallCW(15,15,0,30,0)
.arcSmallCW(15,15,0,-30,0)
.setStrokeLineWidth(line_width)
.setStrokeDashArray(dash_array)
.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 = drawNDB;
var cache = StyleableCacheable.new(
name:_name,
draw_func: draw_fn,
cache: SymbolCache32x32,
draw_mode: SymbolCache.DRAW_CENTERED,
relevant_keys: ["line_width", "color", "dash_array"],
);
cache.render(me.element, me.style).setScale(me.style.scale_factor);
var txt_offset = me.getStyle('text_offset', [3, 0]);
var txt_alignment = me.getStyle('text_alignment', 'left-bottom');
var txt_color = me.getStyle('text_color', [0,0.6,0.85]);
var txt_bgcolor = me.getStyle('text_bgcolor', [0,0,0,0]);
var txt_mode = me.getStyle('text_mode', canvas.Text.TEXT);
var txt_padding = me.getStyle('text_padding', 0);
# non-cached stuff:
if (me.style.show_labels){
me.text_fix = me.newText(me.model.id).
setScale(me.style.scale_factor).
setTranslation(txt_offset).
setAlignment(txt_alignment).
setPadding(txt_padding).
setDrawMode(txt_mode).
setColor(txt_color).
setColorFill(txt_bgcolor);
}
}
var draw = func {me.callback('draw');};