1/*
2 * Copyright (C) 2014 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
17package android.graphics;
18
19import android.content.res.AssetManager;
20
21/**
22 * A family of typefaces with different styles.
23 *
24 * @hide
25 */
26public class FontFamily {
27    /**
28     * @hide
29     */
30    public long mNativePtr;
31
32    public FontFamily() {
33        mNativePtr = nCreateFamily(null, 0);
34        if (mNativePtr == 0) {
35            throw new IllegalStateException("error creating native FontFamily");
36        }
37    }
38
39    public FontFamily(String lang, String variant) {
40        int varEnum = 0;
41        if ("compact".equals(variant)) {
42            varEnum = 1;
43        } else if ("elegant".equals(variant)) {
44            varEnum = 2;
45        }
46        mNativePtr = nCreateFamily(lang, varEnum);
47        if (mNativePtr == 0) {
48            throw new IllegalStateException("error creating native FontFamily");
49        }
50    }
51
52    @Override
53    protected void finalize() throws Throwable {
54        try {
55            nUnrefFamily(mNativePtr);
56        } finally {
57            super.finalize();
58        }
59    }
60
61    public boolean addFont(String path) {
62        return nAddFont(mNativePtr, path);
63    }
64
65    public boolean addFontWeightStyle(String path, int weight, boolean style) {
66        return nAddFontWeightStyle(mNativePtr, path, weight, style);
67    }
68
69    public boolean addFontFromAsset(AssetManager mgr, String path) {
70        return nAddFontFromAsset(mNativePtr, mgr, path);
71    }
72
73    private static native long nCreateFamily(String lang, int variant);
74    private static native void nUnrefFamily(long nativePtr);
75    private static native boolean nAddFont(long nativeFamily, String path);
76    private static native boolean nAddFontWeightStyle(long nativeFamily, String path,
77            int weight, boolean isItalic);
78    private static native boolean nAddFontFromAsset(long nativeFamily, AssetManager mgr,
79            String path);
80}
81