1 /*
2  * Copyright (C) 2012 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.ide.eclipse.gltrace;
18 
19 import org.eclipse.swt.graphics.GC;
20 import org.eclipse.swt.widgets.Control;
21 
22 public class SwtUtils {
23     /** Minimum Character width in pixels. */
24     private static final int MIN_CHAR_WIDTH = 10;
25 
26     /** Returns the font width if it is greater than {@link #MIN_CHAR_WIDTH}. */
getApproximateFontWidth(Control c)27     public static int getApproximateFontWidth(Control c) {
28         GC gc = new GC(c);
29         int avgCharWidth = gc.getFontMetrics().getAverageCharWidth();
30         gc.dispose();
31         return Math.max(avgCharWidth, MIN_CHAR_WIDTH);
32     }
33 }
34