1/* 2 * Copyright (C) 2017 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#ifndef _ANDROID_GRAPHICS_FONT_UTILS_H_ 18#define _ANDROID_GRAPHICS_FONT_UTILS_H_ 19 20#include <jni.h> 21#include <memory> 22 23namespace minikin { 24class FontFamily; 25} // namespace minikin 26 27namespace android { 28 29struct FontFamilyWrapper { 30 FontFamilyWrapper(std::shared_ptr<minikin::FontFamily>&& family) : family(family) {} 31 std::shared_ptr<minikin::FontFamily> family; 32}; 33 34// Utility wrapper for java.util.List 35class ListHelper { 36public: 37 ListHelper(JNIEnv* env, jobject list) : mEnv(env), mList(list) {} 38 39 jint size() const; 40 jobject get(jint index) const; 41 42private: 43 JNIEnv* mEnv; 44 jobject mList; 45}; 46 47// Utility wrapper for android.graphics.FontConfig$Axis 48class AxisHelper { 49public: 50 AxisHelper(JNIEnv* env, jobject axis) : mEnv(env), mAxis(axis) {} 51 52 jint getTag() const; 53 jfloat getStyleValue() const; 54 55private: 56 JNIEnv* mEnv; 57 jobject mAxis; 58}; 59 60void init_FontUtils(JNIEnv* env); 61 62}; // namespace android 63 64#endif // _ANDROID_GRAPHICS_FONT_UTILS_H_ 65