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 #include <utility> 23 24 #include <minikin/Font.h> 25 26 namespace minikin { 27 class FontFamily; 28 } // namespace minikin 29 30 namespace android { 31 32 struct FontFamilyWrapper { FontFamilyWrapperFontFamilyWrapper33 explicit FontFamilyWrapper(std::shared_ptr<minikin::FontFamily>&& family) : family(family) {} 34 std::shared_ptr<minikin::FontFamily> family; 35 }; 36 37 struct FontWrapper { FontWrapperFontWrapper38 explicit FontWrapper(std::shared_ptr<minikin::Font>&& font) : font(font) {} 39 std::shared_ptr<minikin::Font> font; 40 }; 41 42 // Utility wrapper for java.util.List 43 class ListHelper { 44 public: ListHelper(JNIEnv * env,jobject list)45 ListHelper(JNIEnv* env, jobject list) : mEnv(env), mList(list) {} 46 47 jint size() const; 48 jobject get(jint index) const; 49 50 private: 51 JNIEnv* mEnv; 52 jobject mList; 53 }; 54 55 // Utility wrapper for android.graphics.FontConfig$Axis 56 class AxisHelper { 57 public: AxisHelper(JNIEnv * env,jobject axis)58 AxisHelper(JNIEnv* env, jobject axis) : mEnv(env), mAxis(axis) {} 59 60 jint getTag() const; 61 jfloat getStyleValue() const; 62 63 private: 64 JNIEnv* mEnv; 65 jobject mAxis; 66 }; 67 68 void init_FontUtils(JNIEnv* env); 69 70 }; // namespace android 71 72 #endif // _ANDROID_GRAPHICS_FONT_UTILS_H_ 73