1/*
2 * Copyright (C) 2013 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
18#ifndef ANDROID_TYPEFACE_IMPL_H
19#define ANDROID_TYPEFACE_IMPL_H
20
21#include "jni.h"  // for jlong, eventually remove
22#include "SkTypeface.h"
23#include <androidfw/AssetManager.h>
24
25#include <minikin/FontCollection.h>
26
27namespace android {
28
29struct TypefaceImpl {
30    FontCollection *fFontCollection;
31
32    // style used for constructing and querying Typeface objects
33    SkTypeface::Style fSkiaStyle;
34    // base weight in CSS-style units, 100..900
35    int fBaseWeight;
36
37    // resolved style actually used for rendering
38    FontStyle fStyle;
39};
40
41// Note: it would be cleaner if the following functions were member
42// functions (static or otherwise) of the TypefaceImpl class. However,
43// that can't be easily accommodated in the case where TypefaceImpl
44// is just a pointer to SkTypeface, in the non-USE_MINIKIN case.
45// TODO: when #ifdef USE_MINIKIN is removed, move to member functions.
46
47TypefaceImpl* TypefaceImpl_resolveDefault(TypefaceImpl* src);
48
49TypefaceImpl* TypefaceImpl_createFromTypeface(TypefaceImpl* src, SkTypeface::Style style);
50
51TypefaceImpl* TypefaceImpl_createWeightAlias(TypefaceImpl* src, int baseweight);
52
53// When we remove the USE_MINIKIN ifdef, probably a good idea to move the casting
54// (from jlong to FontFamily*) to the caller in Typeface.cpp.
55TypefaceImpl* TypefaceImpl_createFromFamilies(const jlong* families, size_t size);
56
57void TypefaceImpl_unref(TypefaceImpl* face);
58
59int TypefaceImpl_getStyle(TypefaceImpl* face);
60
61void TypefaceImpl_setDefault(TypefaceImpl* face);
62
63}
64
65#endif  // ANDROID_TYPEFACE_IMPL_H