javauis/lcdui_qt/src/com/nokia/mid/ui/DirectUtils.java
changeset 21 2a9601315dfc
child 23 98ccebc37403
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/lcdui_qt/src/com/nokia/mid/ui/DirectUtils.java	Mon May 03 12:27:20 2010 +0300
@@ -0,0 +1,87 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description: 
+*
+*/
+package com.nokia.mid.ui;
+
+import javax.microedition.lcdui.Font;
+import javax.microedition.lcdui.Graphics;
+import javax.microedition.lcdui.Image;
+
+import com.nokia.mj.impl.nokialcdui.LCDUIInvoker;
+
+/**
+ * DirectUtils class contains utility methods for lcdui classes.
+ */
+public final class DirectUtils {
+
+    private DirectUtils() {
+    }
+
+    /**
+     * Create mutable image by decoding image data array.
+     *
+     * @param imageData data
+     * @param imageOffset offset
+     * @param imageLength length
+     * @return mutable image
+     */
+    public static Image createImage(byte[] imageData, int imageOffset,
+            int imageLength) {
+        Image src = Image.createImage(imageData, imageOffset, imageLength);
+        Image ret = Image.createImage(src.getWidth(), src.getHeight());
+        ret.getGraphics().drawImage(src, 0, 0, 0);
+        return ret;
+    }
+
+    /**
+     * Create mutable image with specified dimension and color.
+     *
+     * @param width image width
+     * @param height image height
+     * @param argbColor fill color
+     * @return mutable image
+     */
+    public static Image createImage(int width, int height, int argbColor) {
+        Image ret = Image.createImage(width, height);
+        Graphics g = ret.getGraphics();
+        LCDUIInvoker.getDirectGraphics(g).setARGBColor(argbColor);
+        g.fillRect(0, 0, width, height);
+        return ret;
+    }
+
+    /**
+     * Convert standard Graphics object to DirectGraphics.
+     *
+     * @param g graphics object
+     * @return DirectGraphics object
+     */
+    public static DirectGraphics getDirectGraphics(Graphics g) {
+        return LCDUIInvoker.getDirectGraphics(g);
+    }
+
+    /**
+     * Request Font instance with custom font height.
+     *
+     * @param face font face
+     * @param style font style
+     * @param height font height
+     * @return custom font
+     */
+    public static Font getFont(int face, int style, int height) {
+        return LCDUIInvoker.getFreeSizedFont(face, style, height);
+    }
+
+}