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-rw-r--r--src/classes/javax/media/opengl/GLCanvas.java44
-rw-r--r--src/classes/javax/media/opengl/GLJPanel.java39
2 files changed, 60 insertions, 23 deletions
diff --git a/src/classes/javax/media/opengl/GLCanvas.java b/src/classes/javax/media/opengl/GLCanvas.java
index bd7550f09..9151dbd37 100644
--- a/src/classes/javax/media/opengl/GLCanvas.java
+++ b/src/classes/javax/media/opengl/GLCanvas.java
@@ -113,14 +113,24 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
displayAction);
}
- /** Overridden from Canvas; calls {@link #display}. Should not be
- invoked by applications directly. */
+ /** Overridden to cause OpenGL rendering to be performed during
+ repaint cycles. Subclasses which override this method must call
+ super.paint() in their paint() method in order to function
+ properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>paint</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void paint(Graphics g) {
display();
}
- /** Overridden from Canvas; used to indicate when it's safe to
- create an OpenGL context for the component. */
+ /** Overridden to track when this component is added to a container.
+ Subclasses which override this method must call
+ super.addNotify() in their addNotify() method in order to
+ function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>addNotify</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void addNotify() {
super.addNotify();
disableBackgroundErase();
@@ -130,8 +140,13 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
}
}
- /** Overridden from Canvas; used to indicate that it's no longer
- safe to have an OpenGL context for the component. */
+ /** Overridden to track when this component is removed from a
+ container. Subclasses which override this method must call
+ super.removeNotify() in their removeNotify() method in order to
+ function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>removeNotify</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void removeNotify() {
context.destroy();
drawable.setRealized(false);
@@ -141,17 +156,22 @@ public class GLCanvas extends Canvas implements GLAutoDrawable {
}
}
- /** Overridden from Canvas; causes {@link GLDrawableHelper#reshape}
- to be called on all registered {@link GLEventListener}s. Called
- automatically by the AWT; should not be invoked by applications
- directly. */
+ /** Overridden to cause {@link GLDrawableHelper#reshape} to be
+ called on all registered {@link GLEventListener}s. Subclasses
+ which override this method must call super.reshape() in
+ their reshape() method in order to function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>reshape</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void reshape(int x, int y, int width, int height) {
super.reshape(x, y, width, height);
sendReshape = true;
}
- /** Overridden from Canvas to prevent the AWT's clearing of the
- canvas from interfering with the OpenGL rendering. */
+ /** <B>Overrides:</B>
+ <DL><DD><CODE>update</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
+ // Overridden from Canvas to prevent the AWT's clearing of the
+ // canvas from interfering with the OpenGL rendering.
public void update(Graphics g) {
paint(g);
}
diff --git a/src/classes/javax/media/opengl/GLJPanel.java b/src/classes/javax/media/opengl/GLJPanel.java
index 73fec78ac..d2d14c7b7 100644
--- a/src/classes/javax/media/opengl/GLJPanel.java
+++ b/src/classes/javax/media/opengl/GLJPanel.java
@@ -240,9 +240,13 @@ public class GLJPanel extends JPanel implements GLAutoDrawable {
return true;
}
- /** Overridden from JComponent; calls event listeners' {@link
- GLEventListener#display display} methods. Should not be invoked
- by applications directly. */
+ /** Overridden to cause OpenGL rendering to be performed during
+ repaint cycles. Subclasses which override this method must call
+ super.paintComponent() in their paintComponent() method in order
+ to function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>paintComponent</CODE> in class <CODE>javax.swing.JComponent</CODE></DD></DL> */
protected void paintComponent(final Graphics g) {
if (shouldInitialize) {
initialize();
@@ -346,8 +350,13 @@ public class GLJPanel extends JPanel implements GLAutoDrawable {
}
}
- /** Overridden from JPanel; used to indicate that an OpenGL context
- may be created for the component. */
+ /** Overridden to track when this component is added to a container.
+ Subclasses which override this method must call
+ super.addNotify() in their addNotify() method in order to
+ function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>addNotify</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void addNotify() {
super.addNotify();
shouldInitialize = true;
@@ -356,8 +365,13 @@ public class GLJPanel extends JPanel implements GLAutoDrawable {
}
}
- /** Overridden from JPanel; used to indicate that it's no longer
- safe to have an OpenGL context for the component. */
+ /** Overridden to track when this component is removed from a
+ container. Subclasses which override this method must call
+ super.removeNotify() in their removeNotify() method in order to
+ function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>removeNotify</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void removeNotify() {
if (DEBUG) {
System.err.println("GLJPanel.removeNotify()");
@@ -397,10 +411,13 @@ public class GLJPanel extends JPanel implements GLAutoDrawable {
super.removeNotify();
}
- /** Overridden from Canvas; causes {@link GLEventListener#reshape
- reshape} to be called on all registered {@link
- GLEventListener}s. Called automatically by the AWT; should not
- be invoked by applications directly. */
+ /** Overridden to cause {@link GLDrawableHelper#reshape} to be
+ called on all registered {@link GLEventListener}s. Subclasses
+ which override this method must call super.reshape() in
+ their reshape() method in order to function properly. <P>
+
+ <B>Overrides:</B>
+ <DL><DD><CODE>reshape</CODE> in class <CODE>java.awt.Component</CODE></DD></DL> */
public void reshape(int x, int y, int width, int height) {
super.reshape(x, y, width, height);