Gets Harvey's changes

1 files changed, 202 insertions, 0 deletions

diff --git a/src/javax/media/j3d/Texture2DRetained.java b/src/javax/media/j3d/Texture2DRetained.java
new file mode 100644
index 0000000..ce6803d
--- /dev/null
+++ b/src/javax/media/j3d/Texture2DRetained.java
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+/*
+ * Copyright 1998-2008 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package javax.media.j3d;
+
+import javax.vecmath.Point2f;
+
+/**
+ * Texture2D is a subclass of Texture class. It extends Texture
+ * class by adding a constructor and a mutator method for
+ * setting a 2D texture image.
+ */
+class Texture2DRetained extends TextureRetained {
+
+    // Note : There is hardly any HW vendor supports detail Image.
+    //        Detail Image operation is simply no-op in 1.5.
+
+    // currently detail image is only applicable to 2D texture
+    // detail texture info
+
+   // These members are unused except for public set and get methods.
+    private ImageComponent2DRetained detailImage = null;
+    private int detailTextureMode = Texture2D.DETAIL_MODULATE;
+    private int detailTextureLevel = 2;
+    private int numDetailTextureFuncPts = 0;
+    private float detailTextureFuncPts[] = null;  // array of pairs of floats
+                                           // first value for LOD
+                                           // second value for the fcn value
+
+    /**
+     * Set detail texture image
+     */
+    final void initDetailImage(ImageComponent2D image) {
+	if (image == null) {
+	    detailImage = null;
+	} else {
+	    detailImage = (ImageComponent2DRetained)image.retained;
+	}
+    }
+
+
+    /**
+     * Get detail texture image
+     */
+    final ImageComponent2D getDetailImage() {
+	if (detailImage != null) {
+	    return (ImageComponent2D)detailImage.source;
+	} else {
+	    return null;
+	}
+    }
+
+
+    /**
+     * Set detail texture mode
+     */
+    final void initDetailTextureMode(int mode) {
+	detailTextureMode = mode;
+    }
+
+
+    /**
+     * Get detail texture mode
+     */
+    final int getDetailTextureMode() {
+	return detailTextureMode;
+    }
+
+
+    /**
+     * Set detail texture level
+     */
+    final void initDetailTextureLevel(int level) {
+	detailTextureLevel = level;
+    }
+
+
+    /**
+     * Get detail texture level
+     */
+    final int getDetailTextureLevel() {
+	return detailTextureLevel;
+    }
+
+
+    /**
+     * Set detail texture function
+     */
+    final void initDetailTextureFunc(float[] lod, float[] pts) {
+        if (lod == null) {  // pts will be null too.
+            detailTextureFuncPts = null;
+	    numDetailTextureFuncPts = 0;
+        } else {
+	    numDetailTextureFuncPts = lod.length;
+            if ((detailTextureFuncPts == null) ||
+                    (detailTextureFuncPts.length != lod.length * 2)) {
+                detailTextureFuncPts = new float[lod.length * 2];
+            }
+            for (int i = 0, j = 0; i < lod.length; i++) {
+                detailTextureFuncPts[j++] = lod[i];
+                detailTextureFuncPts[j++] = pts[i];
+            }
+        }
+    }
+
+    final void initDetailTextureFunc(Point2f[] pts) {
+        if (pts == null) {
+            detailTextureFuncPts = null;
+	    numDetailTextureFuncPts = 0;
+        } else {
+	    numDetailTextureFuncPts = pts.length;
+            if ((detailTextureFuncPts == null) ||
+                    (detailTextureFuncPts.length != pts.length * 2)) {
+                detailTextureFuncPts = new float[pts.length * 2];
+            }
+            for (int i = 0, j = 0; i < pts.length; i++) {
+                detailTextureFuncPts[j++] = pts[i].x;
+                detailTextureFuncPts[j++] = pts[i].y;
+            }
+        }
+    }
+
+    final void initDetailTextureFunc(float[] pts) {
+        if (pts == null) {
+            detailTextureFuncPts = null;
+	    numDetailTextureFuncPts = 0;
+        } else {
+	    numDetailTextureFuncPts = pts.length / 2;
+            if ((detailTextureFuncPts == null) ||
+                    (detailTextureFuncPts.length != pts.length)) {
+                detailTextureFuncPts = new float[pts.length];
+            }
+            for (int i = 0; i < pts.length; i++) {
+                detailTextureFuncPts[i] = pts[i];
+            }
+        }
+    }
+
+    /**
+     * Get number of points in the detail texture LOD function
+     */
+    final int getDetailTextureFuncPointsCount() {
+        return numDetailTextureFuncPts;
+    }
+
+
+    /**
+     * Copies the array of detail texture LOD function points into the
+     * specified arrays
+     */
+    final void getDetailTextureFunc(float[] lod, float[] pts) {
+        if (detailTextureFuncPts != null) {
+            for (int i = 0, j = 0; i < numDetailTextureFuncPts; i++) {
+                lod[i] = detailTextureFuncPts[j++];
+                pts[i] = detailTextureFuncPts[j++];
+            }
+        }
+    }
+
+    final void getDetailTextureFunc(Point2f[] pts) {
+        if (detailTextureFuncPts != null) {
+            for (int i = 0, j = 0; i < numDetailTextureFuncPts; i++) {
+                pts[i].x = detailTextureFuncPts[j++];
+                pts[i].y = detailTextureFuncPts[j++];
+	    }
+	}
+    }
+
+
+    /**
+     * internal method only -- returns the detail texture LOD function
+     */
+    final float[] getDetailTextureFunc() {
+        return detailTextureFuncPts;
+    }
+
+
+}
+