Howto:Creating a Font Browser using Nasal and Canvas: Difference between revisions
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== Background == | |||
No easy way to browse a list of available fonts in the base package | |||
== Idea == | |||
Implement a simple font browser using Nasal and Canvas | |||
== Approach == | |||
since FlightGear uses OpenSceneGraph, and since [http://www.openscenegraph.org/index.php/documentation/user-guides/61-osgplugins OSG supports TXF ], we might use Nasal/Canvas to display a list of fonts and even preview them inside fgfs (?) | |||
To see for yourself, modify the Canvas image example to point to a font file: | |||
* [[Canvas_Snippets#Adding_Raster_Images]] | |||
* [[Canvas_Image]] | |||
If this works, this can be trivially extended to show a list of all fonts including a preview, by adapting this snippet: [[Canvas_Snippets#Canvas_ScrollArea]] | |||
Alternatively, it would be possible to render the menubar completely using the Canvas system: [[Howto:Making_a_Canvas_Menubar]] | |||
Revision as of 11:02, 24 February 2020
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Background
No easy way to browse a list of available fonts in the base package
Idea
Implement a simple font browser using Nasal and Canvas
Approach
since FlightGear uses OpenSceneGraph, and since OSG supports TXF , we might use Nasal/Canvas to display a list of fonts and even preview them inside fgfs (?)
To see for yourself, modify the Canvas image example to point to a font file:
If this works, this can be trivially extended to show a list of all fonts including a preview, by adapting this snippet: Canvas_Snippets#Canvas_ScrollArea
Alternatively, it would be possible to render the menubar completely using the Canvas system: Howto:Making_a_Canvas_Menubar