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 23 namespace minikin { 24 class FontFamily; 25 } // namespace minikin 26 27 namespace android { 28 29 struct 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 35 class ListHelper { 36 public: 37 ListHelper(JNIEnv* env, jobject list) : mEnv(env), mList(list) {} 38 39 jint size() const; 40 jobject get(jint index) const; 41 42 private: 43 JNIEnv* mEnv; 44 jobject mList; 45 }; 46 47 // Utility wrapper for android.graphics.FontConfig$Axis 48 class AxisHelper { 49 public: 50 AxisHelper(JNIEnv* env, jobject axis) : mEnv(env), mAxis(axis) {} 51 52 jint getTag() const; 53 jfloat getStyleValue() const; 54 55 private: 56 JNIEnv* mEnv; 57 jobject mAxis; 58 }; 59 60 void init_FontUtils(JNIEnv* env); 61 62 }; // namespace android 63 64 #endif // _ANDROID_GRAPHICS_FONT_UTILS_H_ 65