| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #define LOG_TAG "Minikin" |
| |
| #include "JNIHelp.h" |
| #include <core_jni_helpers.h> |
| |
| #include "SkTypeface.h" |
| #include "GraphicsJNI.h" |
| #include <ScopedPrimitiveArray.h> |
| #include <ScopedUtfChars.h> |
| #include <android_runtime/android_util_AssetManager.h> |
| #include <androidfw/AssetManager.h> |
| #include "Utils.h" |
| |
| #include "TypefaceImpl.h" |
| #include <minikin/FontFamily.h> |
| #include "MinikinSkia.h" |
| |
| namespace android { |
| |
| static jlong FontFamily_create(JNIEnv* env, jobject clazz, jstring lang, jint variant) { |
| FontLanguage fontLanguage; |
| if (lang != NULL) { |
| ScopedUtfChars str(env, lang); |
| fontLanguage = FontLanguage(str.c_str(), str.size()); |
| } |
| return (jlong)new FontFamily(fontLanguage, variant); |
| } |
| |
| static void FontFamily_unref(JNIEnv* env, jobject clazz, jlong familyPtr) { |
| FontFamily* fontFamily = reinterpret_cast<FontFamily*>(familyPtr); |
| fontFamily->Unref(); |
| } |
| |
| static jboolean addSkTypeface(FontFamily* family, SkTypeface* face) { |
| MinikinFont* minikinFont = new MinikinFontSkia(face); |
| bool result = family->addFont(minikinFont); |
| minikinFont->Unref(); |
| return result; |
| } |
| |
| static jboolean FontFamily_addFont(JNIEnv* env, jobject clazz, jlong familyPtr, jstring path) { |
| NPE_CHECK_RETURN_ZERO(env, path); |
| ScopedUtfChars str(env, path); |
| SkTypeface* face = SkTypeface::CreateFromFile(str.c_str()); |
| if (face == NULL) { |
| ALOGE("addFont failed to create font %s", str.c_str()); |
| return false; |
| } |
| FontFamily* fontFamily = reinterpret_cast<FontFamily*>(familyPtr); |
| return addSkTypeface(fontFamily, face); |
| } |
| |
| static jboolean FontFamily_addFontWeightStyle(JNIEnv* env, jobject clazz, jlong familyPtr, |
| jstring path, jint weight, jboolean isItalic) { |
| NPE_CHECK_RETURN_ZERO(env, path); |
| ScopedUtfChars str(env, path); |
| SkTypeface* face = SkTypeface::CreateFromFile(str.c_str()); |
| if (face == NULL) { |
| ALOGE("addFont failed to create font %s", str.c_str()); |
| return false; |
| } |
| FontFamily* fontFamily = reinterpret_cast<FontFamily*>(familyPtr); |
| MinikinFont* minikinFont = new MinikinFontSkia(face); |
| fontFamily->addFont(minikinFont, FontStyle(weight / 100, isItalic)); |
| minikinFont->Unref(); |
| return true; |
| } |
| |
| static jboolean FontFamily_addFontFromAsset(JNIEnv* env, jobject, jlong familyPtr, |
| jobject jassetMgr, jstring jpath) { |
| NPE_CHECK_RETURN_ZERO(env, jassetMgr); |
| NPE_CHECK_RETURN_ZERO(env, jpath); |
| |
| AssetManager* mgr = assetManagerForJavaObject(env, jassetMgr); |
| if (NULL == mgr) { |
| return false; |
| } |
| |
| ScopedUtfChars str(env, jpath); |
| Asset* asset = mgr->open(str.c_str(), Asset::ACCESS_BUFFER); |
| if (NULL == asset) { |
| return false; |
| } |
| |
| SkStream* stream = new AssetStreamAdaptor(asset, |
| AssetStreamAdaptor::kYes_OwnAsset, |
| AssetStreamAdaptor::kYes_HasMemoryBase); |
| SkTypeface* face = SkTypeface::CreateFromStream(stream); |
| // Note: SkTypeface::CreateFromStream holds its own reference to the stream |
| stream->unref(); |
| if (face == NULL) { |
| ALOGE("addFontFromAsset failed to create font %s", str.c_str()); |
| return false; |
| } |
| FontFamily* fontFamily = reinterpret_cast<FontFamily*>(familyPtr); |
| return addSkTypeface(fontFamily, face); |
| } |
| |
| /////////////////////////////////////////////////////////////////////////////// |
| |
| static JNINativeMethod gFontFamilyMethods[] = { |
| { "nCreateFamily", "(Ljava/lang/String;I)J", (void*)FontFamily_create }, |
| { "nUnrefFamily", "(J)V", (void*)FontFamily_unref }, |
| { "nAddFont", "(JLjava/lang/String;)Z", (void*)FontFamily_addFont }, |
| { "nAddFontWeightStyle", "(JLjava/lang/String;IZ)Z", (void*)FontFamily_addFontWeightStyle }, |
| { "nAddFontFromAsset", "(JLandroid/content/res/AssetManager;Ljava/lang/String;)Z", |
| (void*)FontFamily_addFontFromAsset }, |
| }; |
| |
| int register_android_graphics_FontFamily(JNIEnv* env) |
| { |
| return RegisterMethodsOrDie(env, "android/graphics/FontFamily", gFontFamilyMethods, |
| NELEM(gFontFamilyMethods)); |
| } |
| |
| } |