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/*
* 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 "SkData.h"
#include "SkRefCnt.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 void releaseAsset(const void* ptr, size_t length, void* context) {
delete static_cast<Asset*>(context);
}
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;
}
const void* buf = asset->getBuffer(false);
if (NULL == buf) {
delete asset;
return false;
}
SkAutoTUnref<SkData> data(SkData::NewWithProc(buf, asset->getLength(), releaseAsset, asset));
SkMemoryStream* stream = new SkMemoryStream(data);
// CreateFromStream takes ownership of stream.
SkTypeface* face = SkTypeface::CreateFromStream(stream);
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));
}
}
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