1 files changed, 81 insertions, 0 deletions
diff --git a/src/nativewindow/classes/javax/media/nativewindow/CapabilitiesImmutable.java b/src/nativewindow/classes/javax/media/nativewindow/CapabilitiesImmutable.java
new file mode 100644
index 000000000..9369221cb
--- /dev/null
+++ b/src/nativewindow/classes/javax/media/nativewindow/CapabilitiesImmutable.java
@@ -0,0 +1,81 @@
+package javax.media.nativewindow;
+
+/**
+ * Specifies an immutable set of capabilities that a window's rendering context
+ * must support, such as color depth per channel.
+ * 
+ * @see javax.media.nativewindow.Capabilities
+ */
+public interface CapabilitiesImmutable extends Cloneable {
+
+    /**
+     * Returns the number of bits requested for the color buffer's red
+     * component. On some systems only the color depth, which is the sum of the
+     * red, green, and blue bits, is considered.
+     */
+    int getRedBits();
+
+    /**
+     * Returns the number of bits requested for the color buffer's green
+     * component. On some systems only the color depth, which is the sum of the
+     * red, green, and blue bits, is considered.
+     */
+    int getGreenBits();
+
+    /**
+     * Returns the number of bits requested for the color buffer's blue
+     * component. On some systems only the color depth, which is the sum of the
+     * red, green, and blue bits, is considered.
+     */
+    int getBlueBits();
+
+    /**
+     * Returns the number of bits requested for the color buffer's alpha
+     * component. On some systems only the color depth, which is the sum of the
+     * red, green, and blue bits, is considered.
+     */
+    int getAlphaBits();
+
+    /**
+     * Indicates whether the background of this OpenGL context should be
+     * considered opaque. Defaults to true.
+     */
+    boolean isBackgroundOpaque();
+
+    /**
+     * Indicates whether the drawable surface is onscreen. Defaults to true.
+     */
+    boolean isOnscreen();
+
+    /**
+     * Gets the transparent red value for the frame buffer configuration. This
+     * value is undefined if; equals true.
+     */
+    int getTransparentRedValue();
+
+    /**
+     * Gets the transparent green value for the frame buffer configuration. This
+     * value is undefined if; equals true.
+     */
+    int getTransparentGreenValue();
+
+    /**
+     * Gets the transparent blue value for the frame buffer configuration. This
+     * value is undefined if; equals true.
+     */
+    int getTransparentBlueValue();
+
+    /**
+     * Gets the transparent alpha value for the frame buffer configuration. This
+     * value is undefined if; equals true.
+     */
+    int getTransparentAlphaValue();
+
+    /**
+     * Get a mutable clone of this instance.
+     * 
+     * @see java.lang.Object#clone()
+     */
+    Capabilities cloneCapabilites();
+
+}