1/*
2 * Copyright (C) 2016 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#include "FontUtils.h"
18
19#include "JNIHelp.h"
20#include <core_jni_helpers.h>
21
22namespace android {
23namespace {
24
25static struct {
26    jmethodID mGet;
27    jmethodID mSize;
28} gListClassInfo;
29
30static struct {
31    jfieldID mTag;
32    jfieldID mStyleValue;
33} gAxisClassInfo;
34
35}  // namespace
36
37jint ListHelper::size() const {
38    return mEnv->CallIntMethod(mList, gListClassInfo.mSize);
39}
40
41jobject ListHelper::get(jint index) const {
42    return mEnv->CallObjectMethod(mList, gListClassInfo.mGet, index);
43}
44
45jint AxisHelper::getTag() const {
46    return mEnv->GetIntField(mAxis, gAxisClassInfo.mTag);
47}
48
49jfloat AxisHelper::getStyleValue() const {
50    return mEnv->GetFloatField(mAxis, gAxisClassInfo.mStyleValue);
51}
52
53void init_FontUtils(JNIEnv* env) {
54    jclass listClass = FindClassOrDie(env, "java/util/List");
55    gListClassInfo.mGet = GetMethodIDOrDie(env, listClass, "get", "(I)Ljava/lang/Object;");
56    gListClassInfo.mSize = GetMethodIDOrDie(env, listClass, "size", "()I");
57
58    jclass axisClass = FindClassOrDie(env, "android/graphics/fonts/FontVariationAxis");
59    gAxisClassInfo.mTag = GetFieldIDOrDie(env, axisClass, "mTag", "I");
60    gAxisClassInfo.mStyleValue = GetFieldIDOrDie(env, axisClass, "mStyleValue", "F");
61}
62
63}  // namespace android
64