194 lines
9.0 KiB
C++
194 lines
9.0 KiB
C++
/*
|
|
* Copyright (C) 2020 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.
|
|
*/
|
|
|
|
#include "graphics_jni_helpers.h"
|
|
|
|
#include <GraphicsJNI.h>
|
|
#include <SkGraphics.h>
|
|
|
|
#include <sstream>
|
|
#include <iostream>
|
|
#include <unicode/putil.h>
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
|
|
using namespace std;
|
|
|
|
/*
|
|
* This is responsible for setting up the JNI environment for communication between
|
|
* the Java and native parts of layoutlib, including registering native methods.
|
|
* This is mostly achieved by copying the way it is done in the platform
|
|
* (see AndroidRuntime.cpp).
|
|
*/
|
|
|
|
static JavaVM* javaVM;
|
|
|
|
extern int register_android_graphics_Bitmap(JNIEnv*);
|
|
extern int register_android_graphics_BitmapFactory(JNIEnv*);
|
|
extern int register_android_graphics_ByteBufferStreamAdaptor(JNIEnv* env);
|
|
extern int register_android_graphics_CreateJavaOutputStreamAdaptor(JNIEnv* env);
|
|
extern int register_android_graphics_Graphics(JNIEnv* env);
|
|
extern int register_android_graphics_ImageDecoder(JNIEnv*);
|
|
extern int register_android_graphics_Interpolator(JNIEnv* env);
|
|
extern int register_android_graphics_MaskFilter(JNIEnv* env);
|
|
extern int register_android_graphics_NinePatch(JNIEnv*);
|
|
extern int register_android_graphics_PathEffect(JNIEnv* env);
|
|
extern int register_android_graphics_Shader(JNIEnv* env);
|
|
extern int register_android_graphics_RenderEffect(JNIEnv* env);
|
|
extern int register_android_graphics_Typeface(JNIEnv* env);
|
|
|
|
namespace android {
|
|
|
|
extern int register_android_graphics_Canvas(JNIEnv* env);
|
|
extern int register_android_graphics_ColorFilter(JNIEnv* env);
|
|
extern int register_android_graphics_ColorSpace(JNIEnv* env);
|
|
extern int register_android_graphics_DrawFilter(JNIEnv* env);
|
|
extern int register_android_graphics_FontFamily(JNIEnv* env);
|
|
extern int register_android_graphics_Matrix(JNIEnv* env);
|
|
extern int register_android_graphics_Paint(JNIEnv* env);
|
|
extern int register_android_graphics_Path(JNIEnv* env);
|
|
extern int register_android_graphics_PathMeasure(JNIEnv* env);
|
|
extern int register_android_graphics_Picture(JNIEnv* env);
|
|
//extern int register_android_graphics_Region(JNIEnv* env);
|
|
extern int register_android_graphics_animation_NativeInterpolatorFactory(JNIEnv* env);
|
|
extern int register_android_graphics_animation_RenderNodeAnimator(JNIEnv* env);
|
|
extern int register_android_graphics_drawable_AnimatedVectorDrawable(JNIEnv* env);
|
|
extern int register_android_graphics_drawable_VectorDrawable(JNIEnv* env);
|
|
extern int register_android_graphics_fonts_Font(JNIEnv* env);
|
|
extern int register_android_graphics_fonts_FontFamily(JNIEnv* env);
|
|
extern int register_android_graphics_text_LineBreaker(JNIEnv* env);
|
|
extern int register_android_graphics_text_MeasuredText(JNIEnv* env);
|
|
extern int register_android_util_PathParser(JNIEnv* env);
|
|
extern int register_android_view_RenderNode(JNIEnv* env);
|
|
extern int register_android_view_DisplayListCanvas(JNIEnv* env);
|
|
|
|
#define REG_JNI(name) { name }
|
|
struct RegJNIRec {
|
|
int (*mProc)(JNIEnv*);
|
|
};
|
|
|
|
// Map of all possible class names to register to their corresponding JNI registration function pointer
|
|
// The actual list of registered classes will be determined at runtime via the 'native_classes' System property
|
|
static const std::unordered_map<std::string, RegJNIRec> gRegJNIMap = {
|
|
{"android.graphics.Bitmap", REG_JNI(register_android_graphics_Bitmap)},
|
|
{"android.graphics.BitmapFactory", REG_JNI(register_android_graphics_BitmapFactory)},
|
|
{"android.graphics.ByteBufferStreamAdaptor",
|
|
REG_JNI(register_android_graphics_ByteBufferStreamAdaptor)},
|
|
{"android.graphics.Canvas", REG_JNI(register_android_graphics_Canvas)},
|
|
{"android.graphics.RenderNode", REG_JNI(register_android_view_RenderNode)},
|
|
{"android.graphics.ColorFilter", REG_JNI(register_android_graphics_ColorFilter)},
|
|
{"android.graphics.ColorSpace", REG_JNI(register_android_graphics_ColorSpace)},
|
|
{"android.graphics.CreateJavaOutputStreamAdaptor",
|
|
REG_JNI(register_android_graphics_CreateJavaOutputStreamAdaptor)},
|
|
{"android.graphics.DrawFilter", REG_JNI(register_android_graphics_DrawFilter)},
|
|
{"android.graphics.FontFamily", REG_JNI(register_android_graphics_FontFamily)},
|
|
{"android.graphics.Graphics", REG_JNI(register_android_graphics_Graphics)},
|
|
{"android.graphics.ImageDecoder", REG_JNI(register_android_graphics_ImageDecoder)},
|
|
{"android.graphics.Interpolator", REG_JNI(register_android_graphics_Interpolator)},
|
|
{"android.graphics.MaskFilter", REG_JNI(register_android_graphics_MaskFilter)},
|
|
{"android.graphics.Matrix", REG_JNI(register_android_graphics_Matrix)},
|
|
{"android.graphics.NinePatch", REG_JNI(register_android_graphics_NinePatch)},
|
|
{"android.graphics.Paint", REG_JNI(register_android_graphics_Paint)},
|
|
{"android.graphics.Path", REG_JNI(register_android_graphics_Path)},
|
|
{"android.graphics.PathEffect", REG_JNI(register_android_graphics_PathEffect)},
|
|
{"android.graphics.PathMeasure", REG_JNI(register_android_graphics_PathMeasure)},
|
|
{"android.graphics.Picture", REG_JNI(register_android_graphics_Picture)},
|
|
{"android.graphics.RecordingCanvas", REG_JNI(register_android_view_DisplayListCanvas)},
|
|
// {"android.graphics.Region", REG_JNI(register_android_graphics_Region)},
|
|
{"android.graphics.Shader", REG_JNI(register_android_graphics_Shader)},
|
|
{"android.graphics.RenderEffect", REG_JNI(register_android_graphics_RenderEffect)},
|
|
{"android.graphics.Typeface", REG_JNI(register_android_graphics_Typeface)},
|
|
{"android.graphics.animation.NativeInterpolatorFactory",
|
|
REG_JNI(register_android_graphics_animation_NativeInterpolatorFactory)},
|
|
{"android.graphics.animation.RenderNodeAnimator",
|
|
REG_JNI(register_android_graphics_animation_RenderNodeAnimator)},
|
|
{"android.graphics.drawable.AnimatedVectorDrawable",
|
|
REG_JNI(register_android_graphics_drawable_AnimatedVectorDrawable)},
|
|
{"android.graphics.drawable.VectorDrawable",
|
|
REG_JNI(register_android_graphics_drawable_VectorDrawable)},
|
|
{"android.graphics.fonts.Font", REG_JNI(register_android_graphics_fonts_Font)},
|
|
{"android.graphics.fonts.FontFamily", REG_JNI(register_android_graphics_fonts_FontFamily)},
|
|
{"android.graphics.text.LineBreaker", REG_JNI(register_android_graphics_text_LineBreaker)},
|
|
{"android.graphics.text.MeasuredText",
|
|
REG_JNI(register_android_graphics_text_MeasuredText)},
|
|
{"android.util.PathParser", REG_JNI(register_android_util_PathParser)},
|
|
};
|
|
|
|
static int register_jni_procs(const std::unordered_map<std::string, RegJNIRec>& jniRegMap,
|
|
const vector<string>& classesToRegister, JNIEnv* env) {
|
|
|
|
for (const string& className : classesToRegister) {
|
|
if (jniRegMap.at(className).mProc(env) < 0) {
|
|
return -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static vector<string> parseCsv(const string& csvString) {
|
|
vector<string> result;
|
|
istringstream stream(csvString);
|
|
string segment;
|
|
while(getline(stream, segment, ','))
|
|
{
|
|
result.push_back(segment);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static vector<string> parseCsv(JNIEnv* env, jstring csvJString) {
|
|
const char* charArray = env->GetStringUTFChars(csvJString, 0);
|
|
string csvString(charArray);
|
|
vector<string> result = parseCsv(csvString);
|
|
env->ReleaseStringUTFChars(csvJString, charArray);
|
|
return result;
|
|
}
|
|
|
|
} // namespace android
|
|
|
|
using namespace android;
|
|
|
|
void init_android_graphics() {
|
|
SkGraphics::Init();
|
|
}
|
|
|
|
int register_android_graphics_classes(JNIEnv *env) {
|
|
JavaVM* vm = nullptr;
|
|
env->GetJavaVM(&vm);
|
|
GraphicsJNI::setJavaVM(vm);
|
|
|
|
// Configuration is stored as java System properties.
|
|
// Get a reference to System.getProperty
|
|
jclass system = FindClassOrDie(env, "java/lang/System");
|
|
jmethodID getPropertyMethod = GetStaticMethodIDOrDie(env, system, "getProperty",
|
|
"(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;");
|
|
|
|
// Get the names of classes that need to register their native methods
|
|
auto nativesClassesJString =
|
|
(jstring) env->CallStaticObjectMethod(system,
|
|
getPropertyMethod, env->NewStringUTF("native_classes"),
|
|
env->NewStringUTF(""));
|
|
vector<string> classesToRegister = parseCsv(env, nativesClassesJString);
|
|
|
|
if (register_jni_procs(gRegJNIMap, classesToRegister, env) < 0) {
|
|
return JNI_ERR;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
void zygote_preload_graphics() { }
|