If you've used either the old DirectX 9 interfaces or XNA, then it'll be pretty intuitive how to use SpriteTextRenderer. The SpriteRenderer class has some useful methods to draw 2D sprites, which I haven't explored much yet, since I have already added code to draw scree-space quads. The TextBlockRenderer class provides some simple and handy methods to draw text up on the screen. Internally, it uses DirectWrite to generate sprite font textures at runtime, so you can use any installed system fonts, and specify the weight, style, and point size easily, without worrying about the nitty gritty details of creating the font.
One limitation of the TextBlockRenderer class is that you can only use an instance of it to render text with a single font. Thus, if you want to use different font sizes or styles, you need to create different instances for each font that you want to use. Because of this, I've written a simple manager class, which I'm calling FontCache, which will provide a central point to store all the fonts that are used, as well as a default font if you just want to throw some text up onto the screen.
The new code for rendering text has been added to my pathfinding demo, available at my GitHub repository,https://github.com/ericrrichards/dx11.git.
(Looks much better without jpeg compression...)
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