Migrated source code from Simantics SVN

[simantics/platform.git] / bundles / org.simantics.utils.ui / src / org / simantics / utils / ui / gfx / clipboard / streams / AddBitmapHeaderInputStream.java

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/clipboard/streams/AddBitmapHeaderInputStream.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/clipboard/streams/AddBitmapHeaderInputStream.java
new file mode 100644 (file)
index 0000000..98d6f8b
--- /dev/null
+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/gfx/clipboard/streams/AddBitmapHeaderInputStream.java
@@ -0,0 +1,44 @@
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ *     VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.utils.ui.gfx.clipboard.streams;\r
+\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+\r
+import org.simantics.utils.ui.gfx.clipboard.headers.BitmapFileHeader;\r
+\r
+\r
+/**\r
+ * Adds WIN32 API BITMAPFILEHEADER into the beginning of stream \r
+ * \r
+ * @author Marko Luukkainen\r
+ *\r
+ */\r
+public class AddBitmapHeaderInputStream extends InputStream{\r
+    private InputStream iStream;\r
+    private int readBytes = 0;\r
+    private byte[] header;\r
+    \r
+    public AddBitmapHeaderInputStream(InputStream iStream) {\r
+        this.iStream = iStream;\r
+        BitmapFileHeader bfHeader = new BitmapFileHeader();\r
+        header = bfHeader.getBytes();\r
+    }\r
+    \r
+    @Override\r
+    public int read() throws IOException {\r
+        if (readBytes < header.length) {\r
+            return 0xff & header[readBytes++];\r
+        }\r
+        return iStream.read();\r
+    }\r
+}\r