jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/common/SingleTileRenderedImage.java
changeset 34416 68c0d866db5d
child 44655 06871a50a4b5
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.desktop/share/classes/com/sun/imageio/plugins/common/SingleTileRenderedImage.java	Mon Nov 23 12:26:12 2015 -0800
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2005, 2015, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package com.sun.imageio.plugins.common;
+
+import java.awt.image.ColorModel;
+import java.awt.image.Raster;
+
+/**
+ * A simple class that provides RenderedImage functionality
+ * given a Raster and a ColorModel.
+ */
+public class SingleTileRenderedImage extends SimpleRenderedImage {
+
+    Raster ras;
+
+    /**
+     * Constructs a SingleTileRenderedImage based on a Raster
+     * and a ColorModel.
+     *
+     * @param ras A Raster that will define tile (0, 0) of the image.
+     * @param cm A ColorModel that will serve as the image's
+     *           ColorModel.
+     */
+    public SingleTileRenderedImage(Raster ras, ColorModel colorModel) {
+        this.ras = ras;
+
+        this.tileGridXOffset = this.minX = ras.getMinX();
+        this.tileGridYOffset = this.minY = ras.getMinY();
+        this.tileWidth = this.width = ras.getWidth();
+        this.tileHeight = this.height = ras.getHeight();
+        this.sampleModel = ras.getSampleModel();
+        this.colorModel = colorModel;
+    }
+
+    /**
+     * Returns the image's Raster as tile (0, 0).
+     */
+    public Raster getTile(int tileX, int tileY) {
+        if (tileX != 0 || tileY != 0) {
+            throw new IllegalArgumentException("tileX != 0 || tileY != 0");
+        }
+        return ras;
+    }
+}