lib/gamnit: intro the abstract display

Signed-off-by: Alexis Laferrière <alexis.laf@xymus.net>

diff --git a/lib/gamnit/display.nit b/lib/gamnit/display.nit
new file mode 100644 (file)
index 0000000..defd809
--- /dev/null
+++ b/lib/gamnit/display.nit
@@ -0,0 +1,46 @@
+# This file is part of NIT (http://www.nitlanguage.org).
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Abstract display services
+module display
+
+import ::glesv2
+
+# Should Gamnit be more verbose?
+fun debug_gamnit: Bool do return false
+
+# General display class, is sized and drawable
+class GamnitDisplay
+
+       # Width of the display, in pixels
+       fun width: Int is abstract
+
+       # Height of the display, in pixels
+       fun height: Int is abstract
+
+       # Prepare this display
+       #
+       # The implementation varies per platform.
+       fun setup is abstract
+
+       # Close this display and free underlying resources
+       #
+       # The implementation varies per platform.
+       fun close do end
+
+       # Flip the display buffers
+       #
+       # The implementation varies per platform.
+       fun flip do end
+end

diff --git a/lib/gamnit/gamnit.nit b/lib/gamnit/gamnit.nit
index 2fa5b8e..8def2e9 100644 (file)
--- a/lib/gamnit/gamnit.nit
+++ b/lib/gamnit/gamnit.nit
@@ -14,3 +14,5 @@
 
 # Game and multimedia framework for Nit
 module gamnit
+
+import display