1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* Copyright (C) 2018 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.
*/
#undef LOG_TAG
#define LOG_TAG "Minikin"
#include "graphics_jni_helpers.h"
#include <nativehelper/ScopedUtfChars.h>
#include "FontUtils.h"
#include <minikin/FontFamily.h>
#include <minikin/LocaleList.h>
#include <memory>
namespace android {
struct NativeFamilyBuilder {
std::vector<minikin::Font> fonts;
};
static inline NativeFamilyBuilder* toBuilder(jlong ptr) {
return reinterpret_cast<NativeFamilyBuilder*>(ptr);
}
static inline FontWrapper* toFontWrapper(jlong ptr) {
return reinterpret_cast<FontWrapper*>(ptr);
}
static void releaseFontFamily(jlong family) {
delete reinterpret_cast<FontFamilyWrapper*>(family);
}
// Regular JNI
static jlong FontFamily_Builder_initBuilder(JNIEnv*, jobject) {
return reinterpret_cast<jlong>(new NativeFamilyBuilder());
}
// Critical Native
static void FontFamily_Builder_addFont(CRITICAL_JNI_PARAMS_COMMA jlong builderPtr, jlong fontPtr) {
toBuilder(builderPtr)->fonts.push_back(toFontWrapper(fontPtr)->font);
}
// Regular JNI
static jlong FontFamily_Builder_build(JNIEnv* env, jobject clazz, jlong builderPtr,
jstring langTags, jint variant, jboolean isCustomFallback) {
std::unique_ptr<NativeFamilyBuilder> builder(toBuilder(builderPtr));
uint32_t localeId;
if (langTags == nullptr) {
localeId = minikin::registerLocaleList("");
} else {
ScopedUtfChars str(env, langTags);
localeId = minikin::registerLocaleList(str.c_str());
}
std::shared_ptr<minikin::FontFamily> family = std::make_shared<minikin::FontFamily>(
localeId, static_cast<minikin::FamilyVariant>(variant), std::move(builder->fonts),
isCustomFallback);
if (family->getCoverage().length() == 0) {
// No coverage means minikin rejected given font for some reasons.
jniThrowException(env, "java/lang/IllegalArgumentException",
"Failed to create internal object. maybe invalid font data");
return 0;
}
return reinterpret_cast<jlong>(new FontFamilyWrapper(std::move(family)));
}
// CriticalNative
static jlong FontFamily_Builder_GetReleaseFunc(CRITICAL_JNI_PARAMS) {
return reinterpret_cast<jlong>(releaseFontFamily);
}
///////////////////////////////////////////////////////////////////////////////
static const JNINativeMethod gFontFamilyBuilderMethods[] = {
{ "nInitBuilder", "()J", (void*) FontFamily_Builder_initBuilder },
{ "nAddFont", "(JJ)V", (void*) FontFamily_Builder_addFont },
{ "nBuild", "(JLjava/lang/String;IZ)J", (void*) FontFamily_Builder_build },
{ "nGetReleaseNativeFamily", "()J", (void*) FontFamily_Builder_GetReleaseFunc },
};
int register_android_graphics_fonts_FontFamily(JNIEnv* env) {
return RegisterMethodsOrDie(env, "android/graphics/fonts/FontFamily$Builder",
gFontFamilyBuilderMethods, NELEM(gFontFamilyBuilderMethods));
}
}
|
