96 lines
1.9 KiB
Text
96 lines
1.9 KiB
Text
#
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# FlightGear canvas API
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# Namespace: canvas
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#
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# Classes included:
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# Transform
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# Element
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# Group
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# Map
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# Text
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# Path
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# Image
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# Canvas
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#
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# see also gui.nas
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var include_path = "Nasal/canvas/api/";
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# log level for debug output
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var _API_dbg_level = DEV_WARN;
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io.include(include_path~"colors.nas");
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io.include(include_path~"helpers.nas");
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io.include(include_path~"transform.nas");
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io.include(include_path~"element.nas");
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io.include(include_path~"group.nas");
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io.include(include_path~"map.nas");
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io.include(include_path~"text.nas");
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io.include(include_path~"path.nas");
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io.include(include_path~"image.nas");
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io.include(include_path~"svgcanvas.nas");
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# Element factories used by #Group elements to create children
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Group._element_factories = {
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"group": Group.new,
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"map": Map.new,
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"text": Text.new,
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"path": Path.new,
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"image": Image.new
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};
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io.include(include_path~"canvas.nas");
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# @param g Canvas ghost
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var wrapCanvas = func(g) {
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if (g != nil and g._impl == nil) {
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g._impl = Canvas._new(g);
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}
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return g;
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}
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# Create a new canvas. Pass parameters as hash, eg:
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#
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# var my_canvas = canvas.new({
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# "name": "PFD-Test",
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# "size": [512, 512],
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# "view": [768, 1024],
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# "mipmapping": 1
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# });
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var new = func(vals)
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{
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var m = wrapCanvas(_newCanvasGhost());
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m._node.setValues(vals);
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return m;
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};
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# Get the first existing canvas with the given name
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#
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# @param name Name of the canvas
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# @return #Canvas, if canvas with #name exists
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# nil, otherwise
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var get = func(arg)
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{
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if( isa(arg, props.Node) )
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var node = arg;
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else if (ishash(arg))
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var node = props.Node.new(arg);
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else {
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die("canvas.get: Invalid argument.");
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}
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return wrapCanvas(_getCanvasGhost(node._g));
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};
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var getDesktop = func()
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{
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return Group.new(_getDesktopGhost());
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};
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var unload = func
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{
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unloadTooltips();
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unloadErrorNotification();
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unloadGUI();
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logprint(LOG_INFO, "Unloaded canvas Nasal module");
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};
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