render: Add 9-patch implementation.

* sly/render/nine-patch: New file.
* Makefile.am (SOURCES): Add it.
* examples/images/dialog.png: New file.
* examples/nine-patch.scm: New file.

2 files changed, 41 insertions, 0 deletions

diff --git a/examples/images/dialog.png b/examples/images/dialog.png
new file mode 100644
index 0000000..9277ff1
--- /dev/null
+++ b/examples/images/dialog.png
diff --git a/examples/nine-patch.scm b/examples/nine-patch.scm
new file mode 100644
index 0000000..9f77de6
--- /dev/null
+++ b/examples/nine-patch.scm
@@ -0,0 +1,41 @@
+;;; Sly
+;;; Copyright (C) 2016 David Thompson <davet@gnu.org>
+;;;
+;;; This program is free software: you can redistribute it and/or
+;;; modify it under the terms of the GNU General Public License as
+;;; published by the Free Software Foundation, either version 3 of the
+;;; License, or (at your option) any later version.
+;;;
+;;; This program is distributed in the hope that it will be useful,
+;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+;;; General Public License for more details.
+;;;
+;;; You should have received a copy of the GNU General Public License
+;;; along with this program.  If not, see
+;;; <http://www.gnu.org/licenses/>.
+
+(use-modules (sly)
+             (sly render nine-patch))
+
+(load "common.scm")
+
+(define-signal dialog
+  (on-start
+   (render-nine-patch #:texture (load-texture "images/dialog.png")
+                      #:width 512
+                      #:height 256
+                      #:margin 8)
+   render-nothing))
+
+(define-signal scene
+  (signal-let ((dialog dialog))
+    (with-camera (2d-camera #:area (make-rect 0 0 640 480))
+      (move (vector2 320 240) dialog))))
+
+(with-window (make-window #:title "9-patch")
+  (run-game-loop scene))
+
+;;; Local Variables:
+;;; compile-command: "../pre-inst-env guile nine-patch.scm"
+;;; End: