render: Add bitmap font support.

* chickadee/render/font.scm: New file.
* Makefile.am (SOURCES): Add it.
* examples/text.scm: New file.
* examples/fonts/AUTHORS: New file.
* examples/fonts/good_neighbors_starling.png: New file.
* examples/fonts/good_neighbors_starling.xml: New file.

1 files changed, 26 insertions, 0 deletions

diff --git a/examples/text.scm b/examples/text.scm
new file mode 100644
index 0000000..37ac22c
--- /dev/null
+++ b/examples/text.scm
@@ -0,0 +1,26 @@
+(use-modules (chickadee)
+             (chickadee math vector)
+             (chickadee render font))
+
+(define font #f)
+
+(define (load)
+  (set! font (load-font "fonts/good_neighbors_starling.xml")))
+
+(define (draw alpha)
+  (draw-text font "(draw-text font \"Hello, world!\" (vec2 100.0 200.0))"
+             (vec2 100.0 200.0))
+  (draw-text font "Chickadee is a game development toolkit for Guile Scheme."
+             (vec2 100.0 150.0))
+  (draw-text font "The quick brown fox jumps over the lazy dog"
+             (vec2 100.0 100.0)))
+
+(add-hook! load-hook load)
+(add-hook! draw-hook draw)
+(add-hook! quit-hook abort-game)
+(add-hook! key-press-hook
+           (lambda (key scan modifiers repeat?)
+             (when (eq? key 'q)
+               (abort-game))))
+
+(run-game)