From 4e43739bfbe2756e393237f44980dd249f340b22 Mon Sep 17 00:00:00 2001
From: huangminzhong <huangminzhong2@huawei.com>
Date: Thu, 10 Nov 2022 01:54:30 -0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=B8=89=E6=96=B9=E5=BA=93jb?=
 =?UTF-8?q?ig2enc=E5=9C=A8OpenHarmony=E4=B8=8A=E7=9A=84GN=E9=80=82?=
 =?UTF-8?q?=E9=85=8D?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: huangminzhong <huangminzhong2@huawei.com>
---
 jbig2enc/BUILD.gn                 |  98 ++++++++++++++++++++++++
 jbig2enc/README.OpenSource        |  11 +++
 jbig2enc/README_zh.md             |  17 +++++
 jbig2enc/adapted/init_includes.sh |   2 +
 jbig2enc/bundle.json              |  33 ++++++++
 jbig2enc/docs/pic/result.png      | Bin 0 -> 16368 bytes
 jbig2enc/docs/rom_integrate.md    | 123 ++++++++++++++++++++++++++++++
 7 files changed, 284 insertions(+)
 create mode 100755 jbig2enc/BUILD.gn
 create mode 100755 jbig2enc/README.OpenSource
 create mode 100755 jbig2enc/README_zh.md
 create mode 100755 jbig2enc/adapted/init_includes.sh
 create mode 100755 jbig2enc/bundle.json
 create mode 100755 jbig2enc/docs/pic/result.png
 create mode 100755 jbig2enc/docs/rom_integrate.md

diff --git a/jbig2enc/BUILD.gn b/jbig2enc/BUILD.gn
new file mode 100755
index 00000000..aaa308bf
--- /dev/null
+++ b/jbig2enc/BUILD.gn
@@ -0,0 +1,98 @@
+# Copyright (c) 2019-2022 Huawei Device Co., Ltd. All rights reserved.
+# 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.
+
+import("//build/ohos.gni")
+import("//build/ohos/ndk/ndk.gni")
+
+
+declare_args() {
+   enable_test = false
+}
+
+config("jbig2enc_config") {
+  cflags = [
+    "-Wall",
+    "-Wno-error=unused-const-variable",
+    "-DVERSION=\"0.29\""
+  ]
+
+  ldflags = [
+    "-lm",
+  ]
+}
+
+ohos_shared_library("jbig2enc_shared") {
+  sources = [
+    "jbig2enc/src/jbig2enc.cc",
+    "jbig2enc/src/jbig2arith.cc",
+    "jbig2enc/src/jbig2sym.cc",
+    "jbig2enc/src/jbig2comparator.cc",
+  ]
+
+  include_dirs = [
+    "jbig2enc/src",
+    "//third_party/leptonica/leptonica/src",
+    "//third_party/leptonica/adapted"
+  ]
+
+  configs = [ ":jbig2enc_config" ]
+
+  deps = [
+    "//third_party/leptonica:leptonica",
+    "//third_party/libpng:libpng"
+  ]
+
+  part_name = "jbig2enc"
+}
+
+ohos_executable("jbig2") {
+  sources = [
+      "jbig2enc/src/jbig2.cc",
+  ]
+  configs = [ ":jbig2enc_config" ]
+
+  include_dirs = [
+      "jbig2enc/src",
+      "//third_party/leptonica/leptonica/src",
+      "//third_party/leptonica/adapted"
+  ]
+
+  deps = [
+      ":jbig2enc_shared",
+      "//third_party/leptonica:leptonica",
+      "//third_party/libpng:libpng"
+  ]   
+  part_name = "jbig2enc"
+}
+
+action("init_includes") {
+    script = "adapted/init_includes.sh"
+    sources = [ "//third_party/jbig2enc/adapted" ]
+    outputs = [ "${target_out_dir}" ]
+    args = [
+        rebase_path("//third_party/jbig2enc",root_build_dir)
+    ]
+}
+
+group("jbig2enc") {
+    deps = [
+        ":jbig2enc_shared",
+        ":init_includes"
+    ]
+    
+    if (enable_test) {
+        deps += [
+            ":jbig2"
+        ]
+    }
+}
diff --git a/jbig2enc/README.OpenSource b/jbig2enc/README.OpenSource
new file mode 100755
index 00000000..267cdd36
--- /dev/null
+++ b/jbig2enc/README.OpenSource
@@ -0,0 +1,11 @@
+[
+    {
+        "Name"            : "jbig2enc",
+        "License"         : "Apache License",
+        "License File"    : "LICENSE",
+        "Version Number"  : "0.29",
+        "Owner"           : "huangminzhong2@huawei.com",
+        "Upstream URL"    : "https://github.com/agl/jbig2enc",
+        "Description"     : "This is an encoder for JBIG2."
+    }
+]
diff --git a/jbig2enc/README_zh.md b/jbig2enc/README_zh.md
new file mode 100755
index 00000000..14c8f126
--- /dev/null
+++ b/jbig2enc/README_zh.md
@@ -0,0 +1,17 @@
+# jbig2enc 三方库说明
+
+## 功能简介
+
+jbig2enc是 JBIG2文件的编码器。
+
+## 使用约束
+
+- ROM版本：OpenHarmony3.2 beta1
+- 三方库版本：0.29
+- 当前适配的功能：[JBIG2](https://github.com/agl/jbig2enc/blob/0.29/fcd14492.pdf) 文件编码, 图片格式转换
+- License：[Apache License](https://github.com/agl/jbig2enc/blob/0.29/COPYING)
+
+## 集成方式
+
+- [系统Rom包集成](./docs/rom_integrate.md)
+
diff --git a/jbig2enc/adapted/init_includes.sh b/jbig2enc/adapted/init_includes.sh
new file mode 100755
index 00000000..dab82dce
--- /dev/null
+++ b/jbig2enc/adapted/init_includes.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+cd $1 && find jbig2enc |grep "allheaders.h" -rF | awk -F : '{print $1}' | xargs sed -i 's/<leptonica\/allheaders\.h>/<allheaders\.h>/g'
diff --git a/jbig2enc/bundle.json b/jbig2enc/bundle.json
new file mode 100755
index 00000000..67e6a20f
--- /dev/null
+++ b/jbig2enc/bundle.json
@@ -0,0 +1,33 @@
+{
+    "name": "@ohos/jbig2enc",
+    "description": "This is an encoder for JBIG2.",
+    "version": "0.29",
+    "license": "Apache License",
+    "publishAs": "",
+    "segment": {
+        "destPath": "third_party/jbig2enc"
+    },
+    "dirs": {},
+    "scripts": {},
+    "readmePath": {
+        "en": "README"
+    },
+    "component": {
+        "name": "jbig2enc",
+        "subsystem": "thirdparty",
+        "syscap": [],
+        "features": [],
+        "adapted_system_type": ["standard"],
+        "rom": "",
+        "ram": "",
+        "deps": {
+            "components": [],
+            "third_party": []
+        },
+        "build": {
+            "sub_component": ["//third_party/jbig2enc:jbig2enc"],
+            "inner_kits": [],
+            "test": []
+        }
+    }
+}
diff --git a/jbig2enc/docs/pic/result.png b/jbig2enc/docs/pic/result.png
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diff --git a/jbig2enc/docs/rom_integrate.md b/jbig2enc/docs/rom_integrate.md
new file mode 100755
index 00000000..99d0cf49
--- /dev/null
+++ b/jbig2enc/docs/rom_integrate.md
@@ -0,0 +1,123 @@
+# jbig2enc如何集成到系统Rom
+## 准备源码工程
+本库是基于OpenHarmony-v3.2-Beta1版本，在RK3568开发板上验证的，如果是从未使用过RK3568，可以先查看[润和RK3568开发板标准系统快速上手](https://gitee.com/openharmony-sig/knowledge_demo_temp/tree/master/docs/rk3568_helloworld)。
+### 准备系统Rom源码
+系统源码获取请参考：[OpenHarmony源码下载](https://gitee.com/openharmony/docs/blob/OpenHarmony-v3.2-Beta2/zh-cn/release-notes/OpenHarmony-v3.2-beta1.md)
+### 增加构建脚本及配置文件
+- 下载本仓库代码
+  ```
+  cd ~
+  git clone git@gitee.com:openharmony-sig/tpc_c_cplusplus.git --depth=1
+  ```
+- 三方库目录结构
+  ```
+  tpc_c_cplusplus/jbig2enc  #三方库jbig2enc的目录结构如下
+  ├── adapted               #存放三方库适配需要的代码文件
+  ├── docs                  #存放三方库相关文档的文件夹
+  ├── BUILD.gn              #构建脚本，支持rom包集成
+  ├── bundle.json           #三方库组件定义文件
+  ├── README.OpenSource     #说明三方库源码的下载地址，版本，license等信息
+  ├── README_zh.md        
+  ```
+- 将三方库拷贝到OpenHarmony源码的third_party目录下
+  ```
+  cp ~/tpc_c_cplusplus/jbig2enc ~/openharmony/third_party -rf
+  ```
+### 准备三方库源码
+
+- 下载三方库jbig2enc
+
+```
+cd ~/openharmony/third_party/jbig2enc    #进入三方库目录
+git clone https://github.com/agl/jbig2enc.git -b 0.29 --depth=1    #下载三方库源码
+```
+- 下载依赖库leptonica
+
+  依赖库下载及适配参考:[leptonica的Rom集成](https://gitee.com/openharmony-sig/tpc_c_cplusplus/leptonica)
+
+## 系统Rom中引入三方库
+
+准备完三方库代码后，我们需要将三方库加入到编译构建体系中。标准系统编译构建可以参考文档[标准系统编译构建指导](https://gitee.com/openharmony/docs/blob/OpenHarmony-3.2-Beta1/zh-cn/device-dev/subsystems/subsys-build-standard-large.md)
+我们默认三方库是属于OpenHarmony的thirdparty子系统，如果需要自己定义子系统参考文档[如何为三方库组件中添加一个三方库](https://gitee.com/openharmony-sig/knowledge/blob/master/docs/openharmony_getstarted/port_thirdparty/README.md)
+新增需要编译的组件,在OpenHarmony源码的vendor/hihope/rk3568/config.json文件中，新增需要编译的组件，如下代码段所示，在thirdparty子系统下面新增jbig2enc组件
+
+```
+    {
+      "subsystem": "thirdparty",
+      "components": [
+        {
+          "component": "musl",
+          "features": []
+        },
+        {
+          "component": "jbig2enc",
+          "features": []
+        }
+      ]
+    }
+
+```
+## 系统Rom中引入三方库测试程序
+如果需要编译测试用例，在OpenHarmony源码的vendor/hihope/rk3568/config.json文件,对应组件的features中打开编译选项，如下
+```
+    {
+      "subsystem": "thirdparty",
+      "components": [
+        {
+          "component": "musl",
+          "features": []
+        },
+        {
+          "component": "jbig2enc",
+          "features": ["enable_test=true"]
+        }
+      ]
+    }
+```
+## 编译工程
+在OpenHarmony源码根目录下
+```
+cd ~/openharmony
+```
+- 选择平台
+  ```
+  hb set    #hb set 命令会列出所有可选平台，这里我们选择rk3568
+  ```
+- 执行编译
+  ```
+  hb build --target-cpu arm      #编译32位系统
+  hb build --target-cpu arm64    #编译64位系统
+  ```
+- 生成文件的路径，可执行文件和库文件都在out/rk3568/thirdparty/jbig2enc目录下，同时也打包到了镜像中
+## 运行效果
+将编译生成的库和测试文件放到板子上运行，为避免每次将文件推入设备都烧录整个镜像，我们使用hdc_std工具将文件推到开发板上
+- 首先将hdc_std工具编译出来
+  工具编译出来所在路径out/sdk/ohos-sdk/windows/toolchains/hdc_std.exe
+  
+  ```
+  hb set     #源码根目录下使用hb set 选择产品ohos-sdk
+  hb build   #然后编译
+  ```
+  
+- 将工具拷贝到Windows，可以为工具目录配置环境变量，也可以在工具所在目录打开windows命令行
+
+- 将原生库测试需要的所有文件打包成jbig2enc.tar,并拷贝到windows下
+
+- 将文件推送到开发板，在windows命令行进行如下操作
+  ```
+  hdc_std shell mount -oremount,rw /     #修改系统权限为可读写
+  hdc_std file send jbig2enc.tar /         #将文件包推入开发板
+  hdc_std shell                          #进入开发板
+  tar xvf jbig2enc.tar                     #解压
+                                         #注意需要将库拷贝到/system/lib 或者/system/lib64目录下
+  ```
+  
+- 运行测试程序<br />
+  测试用例非常多，这里演示其中几个用例，如下图
+  ![result](pic/result.png)
+## 参考资料
+- [润和RK3568开发板标准系统快速上手](https://gitee.com/openharmony-sig/knowledge_demo_temp/tree/master/docs/rk3568_helloworld)
+- [OpenHarmony三方库地址](https://gitee.com/openharmony-tpc)
+- [OpenHarmony知识体系](https://gitee.com/openharmony-sig/knowledge)
+- [如何为三方库组件中添加一个三方库](https://gitee.com/openharmony-sig/knowledge/blob/master/docs/openharmony_getstarted/port_thirdparty/README.md)
+- [标准系统编译构建指导](https://gitee.com/openharmony/docs/blob/OpenHarmony-3.2-Beta1/zh-cn/device-dev/subsystems/subsys-build-standard-large.md)
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