TypefaceImpl.h revision 9a5b61ccc83303ceeec2059f58c1977af9faa9e3 
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#ifdef USE_MINIKIN
26#include <minikin/FontCollection.h>
27#endif
28
29namespace android {
30
31#ifdef USE_MINIKIN
32struct TypefaceImpl {
33    FontCollection *fFontCollection;
34    FontStyle fStyle;
35};
36
37// Note: it would be cleaner if the following functions were member
38// functions (static or otherwise) of the TypefaceImpl class. However,
39// that can't be easily accommodated in the case where TypefaceImpl
40// is just a pointer to SkTypeface, in the non-USE_MINIKIN case.
41// TODO: when #ifdef USE_MINIKIN is removed, move to member functions.
42
43TypefaceImpl* TypefaceImpl_resolveDefault(TypefaceImpl* src);
44#else
45typedef SkTypeface TypefaceImpl;
46#endif
47
48TypefaceImpl* TypefaceImpl_createFromTypeface(TypefaceImpl* src, SkTypeface::Style style);
49
50TypefaceImpl* TypefaceImpl_createFromName(const char* name, SkTypeface::Style style);
51
52TypefaceImpl* TypefaceImpl_createFromFile(const char* filename);
53
54TypefaceImpl* TypefaceImpl_createFromAsset(Asset* asset);
55
56// When we remove the USE_MINIKIN ifdef, probably a good idea to move the casting
57// (from jlong to FontFamily*) to the caller in Typeface.cpp.
58TypefaceImpl* TypefaceImpl_createFromFamilies(const jlong* families, size_t size);
59
60void TypefaceImpl_unref(TypefaceImpl* face);
61
62int TypefaceImpl_getStyle(TypefaceImpl* face);
63
64void TypefaceImpl_setDefault(TypefaceImpl* face);
65
66}
67
68#endif  // ANDROID_TYPEFACE_IMPL_H