FontFamily.cpp revision 9a5b61ccc83303ceeec2059f58c1977af9faa9e3 
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
17#define LOG_TAG "Minikin"
18
19#include "JNIHelp.h"
20#include <android_runtime/AndroidRuntime.h>
21
22#include "SkTypeface.h"
23#include "GraphicsJNI.h"
24#include <ScopedPrimitiveArray.h>
25#include <ScopedUtfChars.h>
26
27#ifdef USE_MINIKIN
28#include <minikin/FontFamily.h>
29#include "MinikinSkia.h"
30#endif
31
32namespace android {
33
34static jlong FontFamily_create(JNIEnv* env, jobject clazz) {
35#ifdef USE_MINIKIN
36    return (jlong)new FontFamily();
37#else
38    return 0;
39#endif
40}
41
42static void FontFamily_destroy(JNIEnv* env, jobject clazz, jlong ptr) {
43    // TODO: work out lifetime issues
44}
45
46static jboolean FontFamily_addFont(JNIEnv* env, jobject clazz, jlong familyPtr, jstring path) {
47#ifdef USE_MINIKIN
48    NPE_CHECK_RETURN_ZERO(env, path);
49    ScopedUtfChars str(env, path);
50    ALOGD("addFont %s", str.c_str());
51    SkTypeface* face = SkTypeface::CreateFromFile(str.c_str());
52    if (face == NULL) {
53        ALOGE("addFont failed to create font %s", str.c_str());
54        return false;
55    }
56    MinikinFont* minikinFont = new MinikinFontSkia(face);
57    FontFamily* fontFamily = (FontFamily*)familyPtr;
58    return fontFamily->addFont(minikinFont);
59#else
60    return false;
61#endif
62}
63
64///////////////////////////////////////////////////////////////////////////////
65
66static JNINativeMethod gFontFamilyMethods[] = {
67    { "nCreateFamily",            "()J", (void*)FontFamily_create },
68    { "nDestroyFamily",           "(J)V", (void*)FontFamily_destroy },
69    { "nAddFont",                 "(JLjava/lang/String;)Z", (void*)FontFamily_addFont },
70};
71
72int register_android_graphics_FontFamily(JNIEnv* env)
73{
74    return android::AndroidRuntime::registerNativeMethods(env,
75        "android/graphics/FontFamily",
76        gFontFamilyMethods, NELEM(gFontFamilyMethods));
77}
78
79}
80