mirror of
https://github.com/lvgl/lvgl.git
synced 2024-11-23 01:33:59 +08:00
605 lines
24 KiB
ReStructuredText
605 lines
24 KiB
ReStructuredText
.. raw:: html
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<p align="left">
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<a href="https://github.com/sponsors/lvgl" target="_blank"><img align="left" src="https://lvgl.io/github-assets/sponsor.png" height="32px"></a>
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</p>
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<p align="right">
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<a href="../README.md">English</a>| <b>中文</b>| <a href="./README_pt_BR.rst">Português do Brasil</a> | <a href="./README_jp.rst">日本語</a>
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</p>
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.. raw:: html
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<br>
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.. raw:: html
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<p align="center">
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<img src="https://lvgl.io/github-assets/logo-colored.png" width=300px>
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</p>
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.. raw:: html
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<h1 align="center">
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轻量级通用型图形库
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.. raw:: html
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</h1>
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.. raw:: html
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<div align="center">
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<img src="https://lvgl.io/github-assets/smartwatch-demo.gif">
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<img border="1px" src="https://lvgl.io/github-assets/widgets-demo.gif">
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</div>
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<br>
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<p align="center">
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<a href="https://lvgl.io" title="Homepage of LVGL">官网 </a> |
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<a href="https://docs.lvgl.io/" title="Detailed documentation with 100+ examples">文档</a> |
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<a href="https://forum.lvgl.io" title="Get help and help others">论坛</a> |
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<a href="https://lvgl.io/demos" title="Demos running in your browser">示例</a> |
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<a href="https://lvgl.io/services" title="Graphics design, UI implementation and consulting">服务</a>
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</p>
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<br>
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.. _ledger-概况与总览:
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📒 概况与总览
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-------------
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**成熟且知名**\
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LVGL 是最流行的免费开源嵌入式图形库,可以为任何 MCU、MPU 和显示类型创建漂亮的 UI。它得到了行业领先供应商和项目的支持,如 Arm、STM32、NXP、Espressif、Nuvoton、Arduino、RT-Thread、Zephyr、NuttX、Adafruit 等。
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**功能丰富**\
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它拥有创建现代美观 GUI 的所有功能:30 多个内置控件、强大的样式系统、Web 启发的布局管理器和支持多种语言的排版系统。要将 LVGL 集成到您的平台中,您只需要至少 32 KB
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RAM 和 128 KB Flash、C 编译器、帧缓冲区和至少 1/10 屏幕大小的渲染缓冲区。
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**服务**\
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我们的团队随时准备为您提供图形设计、UI 实现和咨询服务。如果您在开发下一个 GUI 项目时需要一些支持,请与我们联系。
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.. _rocket-特性:
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🚀 特性
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-------
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**免费和可移植性**
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- 一个完全可移植的 C(C++ 兼容)库,没有外部依赖关系。
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- 可以编译到任何 MCU 或 MPU,使用任何 RTOS 或者操作系统。
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- 支持单色、ePaper、OLED、TFT 显示器或者模拟器。
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`移植指南 <https://docs.lvgl.io/master/intro/add-lvgl-to-your-project/connecting_lvgl.html>`__
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- 该项目使用 MIT 许可证,因此您可以在商业项目中轻松使用它。
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- 仅需 32 KB RAM 和 128 KB Flash,一个帧缓冲区,以及至少 1/10 屏幕大小的渲染缓冲区。
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- 支持使用可选的操作系统、外部存储器和 GPU。
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**控件、样式、布局等**
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- 30+ 内置\ `控件 <https://docs.lvgl.io/master/details/widgets/index.html>`__:
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按钮、标签、滑块、图表、键盘、仪表、弧形、表格等等。
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- 灵活的\ `样式系统 <https://docs.lvgl.io/master/details/base-widget/styles/style.html>`__
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支持约 100 个样式属性,可在任何状态下自定义控件的任何部分。
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- `Flex 布局 <https://docs.lvgl.io/master/details/base-widget/layouts/flex.html>`__ 和
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`Grid 布局 <https://docs.lvgl.io/master/details/base-widget/layouts/grid.html>`__
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可以响应式自动调整控件的大小和位置。
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- 文本支持 UTF-8 编码,支持 CJK、泰语、印地语、阿拉伯语和波斯语书写系统。
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- 支持自动换行、字距调整、文本滚动、亚像素渲染、拼音输入法、文本表情符号。
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- 渲染引擎支持动画、抗锯齿、不透明度、平滑滚动、阴影、图形变换等。
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- 支持鼠标、触摸板、小键盘、键盘、外部按钮、编码器\ `输入设备 <https://docs.lvgl.io/master/details/main-components/indev.html>`__\ 。
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- 支持\ `多显示器 <https://docs.lvgl.io/master/details/main-components/display.html#multiple-display-support>`__\ 。
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**绑定和构建支持**
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- `MicroPython 绑定 <https://blog.lvgl.io/2019-02-20/micropython-bindings>`__
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公开 LVGL的API
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- `PikaScript 绑定 <https://blog.lvgl.io/2022-08-24/pikascript-and-lvgl>`__
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在 MCU 上的更轻更简单的 Python 版本
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- 未使用自定义生成系统。您可以在构建项目的其他文件时构建 LVGL。
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- 支持开箱即用的 Make 和 \ `CMake <https://docs.lvgl.io/master/details/integration/building/cmake.html>`__\ 编译系统。
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- 支持在 \ `PC 上开发 <https://docs.lvgl.io/master/integration/ide/pc-simulator.html>`__\ ,并可以在嵌入式硬件上使用相同的 UI 代码。
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- 支持使用我们的 \ `Emscripten 移植 <https://github.com/lvgl/lv_web_emscripten>`__\ 从而将 C 写的 UI 代码转换为 HTML 文件。
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**文档、工具和服务**
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- 包含 \ `100 多个简单示例 <https://docs.lvgl.io/master/index.html>`__\ 的详细\ `文档 <https://docs.lvgl.io/>`__
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- `服务 <https://lvgl.io/services>`__
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如用户界面设计、实施和咨询,使 UI 开发更简单、更快。
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.. _heart-赞助:
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❤️ 赞助
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-------
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如果 LVGL 为您节省了大量时间和金钱,或者您只是在使用它时玩得很开心,请考虑\ `支持它的开发 <https://github.com/sponsors/lvgl>`__\ 。
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**我们如何使用捐赠?**\
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我们的目标是为 LVGL 做得最多的人提供经济补偿。这意味着不仅维护人员,而且任何实现伟大功能的人都应该从累积的资金中获得报酬。我们用捐款来支付服务器和相关服务等运营成本。
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**如何捐赠?**\
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我们使用 \ `GitHub Sponsors <https://github.com/sponsors/lvgl>`__\ ,您可以轻松发送一次性或定期捐款。您还可以以透明的方式查看我们的所有费用。
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**如何从您的贡献中获取报酬?**\
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如果有人实施或修复了一个标记为\ `赞助 <https://github.com/lvgl/lvgl/labels/Sponsored>`__\ 的问题,他或她将获得该工作的报酬。我们估计问题所需的时间、复杂性和重要性,并据此设定价格。直接评论一个赞助的问题,说“嗨,我想处理它。这就是我计划修复/实施它的方式…”。当维护人员批准并合并工作时,就认为它已经准备好了。之后,您可以在 \ `opencollective.com <https://opencollective.com/lvgl>`__\ 上提交并支付费用,几天后您将收到付款。
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**支持 LVGL 的组织**\
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|Sponsors of LVGL|
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**支持 LVGL 的个人**\
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|Backers of LVGL|
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.. _package-支持包:
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📦 支持包
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---------
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LVGL 可用于以下几种:
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- `Arduino
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library <https://docs.lvgl.io/master/integration/framework/arduino.html>`__
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- `PlatformIO
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package <https://registry.platformio.org/libraries/lvgl/lvgl>`__
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- `Zephyr
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library <https://docs.lvgl.io/master/integration/os/zephyr.html>`__
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- `ESP-IDF(ESP32)
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component <https://components.espressif.com/components/lvgl/lvgl>`__
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- `NXP MCUXpresso
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component <https://www.nxp.com/design/software/embedded-software/lvgl-open-source-graphics-library:LITTLEVGL-OPEN-SOURCE-GRAPHICS-LIBRARY>`__
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- `NuttX
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library <https://docs.lvgl.io/master/integration/os/nuttx.html>`__
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- `RT-Thread
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RTOS <https://docs.lvgl.io/master/integration/os/rt-thread.html>`__
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- CMSIS-Pack
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- `RIOT OS
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package <https://doc.riot-os.org/group__pkg__lvgl.html#details>`__
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.. _robot-示例:
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🤖 示例
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-------
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请参阅创建控件、使用布局和应用样式的一些示例。您将找到 C 和 MicroPython 代码,以及在在线 MicroPython 编辑器中尝试或编辑示例的链接。
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如果要查看更多示例,可查看 \ `Examples <https://github.com/lvgl/lvgl/tree/master/examples>`__ 文件夹。
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Hello world 标签
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~~~~~~~~~~~~~~~~
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.. image:: https://github.com/kisvegabor/test/raw/master/readme_example_1.png
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:alt: Simple Hello world label example in LVGL
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.. raw:: html
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<details>
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<summary>C code</summary>
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.. code-block:: c
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/* Change Active Screen's background color */
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lv_obj_set_style_bg_color(lv_screen_active(), lv_color_hex(0x003a57), LV_PART_MAIN);
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/*Create a white label, set its text and align it to the center*/
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lv_obj_t * label = lv_label_create(lv_screen_active());
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lv_label_set_text(label, "Hello world");
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lv_obj_set_style_text_color(lv_screen_active(), lv_color_hex(0xffffff), LV_PART_MAIN);
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lv_obj_align(label, LV_ALIGN_CENTER, 0, 0);
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.. raw:: html
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</details>
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.. raw:: html
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<details>
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<summary>MicroPython code | <a href="https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html?script_direct=4ab7c40c35b0dc349aa2f0c3b00938d7d8e8ac9f" target="_blank">在线模拟器</a></summary>
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.. code-block:: python
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# Change Active Screen's background color
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scr = lv.screen_active()
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scr.set_style_bg_color(lv.color_hex(0x003a57), lv.PART.MAIN)
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# Create a white label, set its text and align it to the center
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label = lv.label(lv.screen_active())
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label.set_text("Hello world")
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label.set_style_text_color(lv.color_hex(0xffffff), lv.PART.MAIN)
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label.align(lv.ALIGN.CENTER, 0, 0)
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.. raw:: html
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</details>
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<br>
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按钮与点击事件
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~~~~~~~~~~~~~~
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.. image:: https://github.com/kisvegabor/test/raw/master/readme_example_2.gif
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:alt: LVGL button with label example
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.. raw:: html
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<details>
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<summary>C code</summary>
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.. code-block:: c
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lv_obj_t * button = lv_button_create(lv_screen_active()); /*Add a button to the current screen*/
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lv_obj_center(button); /*Set its position*/
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lv_obj_set_size(button, 100, 50); /*Set its size*/
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lv_obj_add_event_cb(button, button_event_cb, LV_EVENT_CLICKED, NULL); /*Assign a callback to the button*/
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lv_obj_t * label = lv_label_create(button); /*Add a label to the button*/
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lv_label_set_text(label, "Button"); /*Set the labels text*/
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lv_obj_center(label); /*Align the label to the center*/
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...
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void button_event_cb(lv_event_t * e)
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{
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printf("Clicked\n");
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}
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.. raw:: html
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</details>
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.. raw:: html
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<details>
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<summary>MicroPython code | <a href="https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html?script_startup=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/header.py&script=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/widgets/slider/lv_example_slider_2.py&script_direct=926bde43ec7af0146c486de470c53f11f167491e" target="_blank">在线模拟器</a></summary>
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.. code-block:: python
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def button_event_cb(e):
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print("Clicked")
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# Create a Button and a Label
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button = lv.button(lv.screen_active())
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button.center()
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button.set_size(100, 50)
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button.add_event_cb(button_event_cb, lv.EVENT.CLICKED, None)
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label = lv.label(button)
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label.set_text("Button")
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label.center()
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.. raw:: html
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</details>
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<br>
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带布局的复选框
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~~~~~~~~~~~~~~
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.. image:: https://github.com/kisvegabor/test/raw/master/readme_example_3.gif
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:alt: Checkboxes with layout in LVGL
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.. raw:: html
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<details>
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<summary>C code</summary>
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.. code-block:: c
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lv_obj_set_flex_flow(lv_screen_active(), LV_FLEX_FLOW_COLUMN);
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lv_obj_set_flex_align(lv_screen_active(), LV_FLEX_ALIGN_CENTER, LV_FLEX_ALIGN_START, LV_FLEX_ALIGN_CENTER);
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lv_obj_t * cb;
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cb = lv_checkbox_create(lv_screen_active());
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lv_checkbox_set_text(cb, "Apple");
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lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
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cb = lv_checkbox_create(lv_screen_active());
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lv_checkbox_set_text(cb, "Banana");
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lv_obj_add_state(cb, LV_STATE_CHECKED);
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lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
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cb = lv_checkbox_create(lv_screen_active());
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lv_checkbox_set_text(cb, "Lemon");
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lv_obj_add_state(cb, LV_STATE_DISABLED);
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lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
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cb = lv_checkbox_create(lv_screen_active());
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lv_obj_add_state(cb, LV_STATE_CHECKED | LV_STATE_DISABLED);
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lv_checkbox_set_text(cb, "Melon\nand a new line");
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lv_obj_add_event_cb(cb, event_handler, LV_EVENT_ALL, NULL);
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.. raw:: html
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</details>
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.. raw:: html
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<details>
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<summary>MicroPython code | <a href="https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html?script_startup=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/header.py&script=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/widgets/slider/lv_example_slider_2.py&script_direct=311d37e5f70daf1cb0d2cad24c7f72751b5f1792" target="_blank">在线模拟器</a></summary>
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.. code-block:: python
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def event_handler(e):
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code = e.get_code()
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obj = e.get_target_obj()
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if code == lv.EVENT.VALUE_CHANGED:
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txt = obj.get_text()
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if obj.get_state() & lv.STATE.CHECKED:
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state = "Checked"
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else:
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state = "Unchecked"
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print(txt + ":" + state)
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lv.screen_active().set_flex_flow(lv.FLEX_FLOW.COLUMN)
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lv.screen_active().set_flex_align(lv.FLEX_ALIGN.CENTER, lv.FLEX_ALIGN.START, lv.FLEX_ALIGN.CENTER)
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cb = lv.checkbox(lv.screen_active())
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cb.set_text("Apple")
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cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
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cb = lv.checkbox(lv.screen_active())
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cb.set_text("Banana")
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cb.add_state(lv.STATE.CHECKED)
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cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
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cb = lv.checkbox(lv.screen_active())
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cb.set_text("Lemon")
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cb.add_state(lv.STATE.DISABLED)
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cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
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cb = lv.checkbox(lv.screen_active())
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cb.add_state(lv.STATE.CHECKED | lv.STATE.DISABLED)
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cb.set_text("Melon")
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cb.add_event_cb(event_handler, lv.EVENT.ALL, None)
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.. raw:: html
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</details>
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<br>
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设置滑块的样式
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~~~~~~~~~~~~~~
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.. image:: https://github.com/kisvegabor/test/raw/master/readme_example_4.gif
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:alt: Styling a slider with LVGL
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.. raw:: html
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<details>
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<summary>C code</summary>
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.. code-block:: c
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lv_obj_t * slider = lv_slider_create(lv_screen_active());
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lv_slider_set_value(slider, 70, LV_ANIM_OFF);
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lv_obj_set_size(slider, 300, 20);
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lv_obj_center(slider);
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/*Add local styles to MAIN part (background rectangle)*/
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lv_obj_set_style_bg_color(slider, lv_color_hex(0x0F1215), LV_PART_MAIN);
|
||
lv_obj_set_style_bg_opa(slider, 255, LV_PART_MAIN);
|
||
lv_obj_set_style_border_color(slider, lv_color_hex(0x333943), LV_PART_MAIN);
|
||
lv_obj_set_style_border_width(slider, 5, LV_PART_MAIN);
|
||
lv_obj_set_style_pad_all(slider, 5, LV_PART_MAIN);
|
||
|
||
/*Create a reusable style sheet for the INDICATOR part*/
|
||
static lv_style_t style_indicator;
|
||
lv_style_init(&style_indicator);
|
||
lv_style_set_bg_color(&style_indicator, lv_color_hex(0x37B9F5));
|
||
lv_style_set_bg_grad_color(&style_indicator, lv_color_hex(0x1464F0));
|
||
lv_style_set_bg_grad_dir(&style_indicator, LV_GRAD_DIR_HOR);
|
||
lv_style_set_shadow_color(&style_indicator, lv_color_hex(0x37B9F5));
|
||
lv_style_set_shadow_width(&style_indicator, 15);
|
||
lv_style_set_shadow_spread(&style_indicator, 5);
|
||
4
|
||
/*Add the style sheet to the slider's INDICATOR part*/
|
||
lv_obj_add_style(slider, &style_indicator, LV_PART_INDICATOR);
|
||
|
||
/*Add the same style to the KNOB part as well and locally overwrite some properties*/
|
||
lv_obj_add_style(slider, &style_indicator, LV_PART_KNOB);
|
||
|
||
lv_obj_set_style_outline_color(slider, lv_color_hex(0x0096FF), LV_PART_KNOB);
|
||
lv_obj_set_style_outline_width(slider, 3, LV_PART_KNOB);
|
||
lv_obj_set_style_outline_pad(slider, -5, LV_PART_KNOB);
|
||
lv_obj_set_style_shadow_spread(slider, 2, LV_PART_KNOB);
|
||
|
||
.. raw:: html
|
||
|
||
</details>
|
||
|
||
.. raw:: html
|
||
|
||
<details>
|
||
<summary>MicroPython code |
|
||
<a href="https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html?script_startup=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/header.py&script=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/widgets/slider/lv_example_slider_2.py&script_direct=c431c7b4dfd2cc0dd9c392b74365d5af6ea986f0" target="_blank">在线模拟器</a>
|
||
</summary>
|
||
|
||
.. code-block:: python
|
||
|
||
# Create a slider and add the style
|
||
slider = lv.slider(lv.screen_active())
|
||
slider.set_value(70, lv.ANIM.OFF)
|
||
slider.set_size(300, 20)
|
||
slider.center()
|
||
|
||
# Add local styles to MAIN part (background rectangle)
|
||
slider.set_style_bg_color(lv.color_hex(0x0F1215), lv.PART.MAIN)
|
||
slider.set_style_bg_opa(255, lv.PART.MAIN)
|
||
slider.set_style_border_color(lv.color_hex(0x333943), lv.PART.MAIN)
|
||
slider.set_style_border_width(5, lv.PART.MAIN)
|
||
slider.set_style_pad_all(5, lv.PART.MAIN)
|
||
|
||
# Create a reusable style sheet for the INDICATOR part
|
||
style_indicator = lv.style_t()
|
||
style_indicator.init()
|
||
style_indicator.set_bg_color(lv.color_hex(0x37B9F5))
|
||
style_indicator.set_bg_grad_color(lv.color_hex(0x1464F0))
|
||
style_indicator.set_bg_grad_dir(lv.GRAD_DIR.HOR)
|
||
style_indicator.set_shadow_color(lv.color_hex(0x37B9F5))
|
||
style_indicator.set_shadow_width(15)
|
||
style_indicator.set_shadow_spread(5)
|
||
|
||
# Add the style sheet to the slider's INDICATOR part
|
||
slider.add_style(style_indicator, lv.PART.INDICATOR)
|
||
slider.add_style(style_indicator, lv.PART.KNOB)
|
||
|
||
# Add the same style to the KNOB part as well and locally overwrite some properties
|
||
slider.set_style_outline_color(lv.color_hex(0x0096FF), lv.PART.KNOB)
|
||
slider.set_style_outline_width(3, lv.PART.KNOB)
|
||
slider.set_style_outline_pad(-5, lv.PART.KNOB)
|
||
slider.set_style_shadow_spread(2, lv.PART.KNOB)
|
||
|
||
.. raw:: html
|
||
|
||
</details>
|
||
<br>
|
||
|
||
英语、希伯来语( 双向文本排版 )和中文
|
||
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
|
||
|
||
.. image:: https://github.com/kisvegabor/test/raw/master/readme_example_5.png
|
||
:alt: English, Hebrew and Chinese texts with LVGL
|
||
|
||
.. raw:: html
|
||
|
||
<details>
|
||
<summary>C code</summary>
|
||
|
||
.. code-block:: c
|
||
|
||
lv_obj_t * ltr_label = lv_label_create(lv_screen_active());
|
||
lv_label_set_text(ltr_label, "In modern terminology, a microcontroller is similar to a system on a chip (SoC).");
|
||
lv_obj_set_style_text_font(ltr_label, &lv_font_montserrat_16, 0);
|
||
lv_obj_set_width(ltr_label, 310);
|
||
lv_obj_align(ltr_label, LV_ALIGN_TOP_LEFT, 5, 5);
|
||
|
||
lv_obj_t * rtl_label = lv_label_create(lv_screen_active());
|
||
lv_label_set_text(rtl_label,"מעבד, או בשמו המלא יחידת עיבוד מרכזית (באנגלית: CPU - Central Processing Unit).");
|
||
lv_obj_set_style_base_dir(rtl_label, LV_BASE_DIR_RTL, 0);
|
||
lv_obj_set_style_text_font(rtl_label, &lv_font_dejavu_16_persian_hebrew, 0);
|
||
lv_obj_set_width(rtl_label, 310);
|
||
lv_obj_align(rtl_label, LV_ALIGN_LEFT_MID, 5, 0);
|
||
|
||
lv_obj_t * cz_label = lv_label_create(lv_screen_active());
|
||
lv_label_set_text(cz_label,
|
||
"嵌入式系统(Embedded System),\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。");
|
||
lv_obj_set_style_text_font(cz_label, &lv_font_simsun_16_cjk, 0);
|
||
lv_obj_set_width(cz_label, 310);
|
||
lv_obj_align(cz_label, LV_ALIGN_BOTTOM_LEFT, 5, -5);
|
||
|
||
.. raw:: html
|
||
|
||
</details>
|
||
|
||
.. raw:: html
|
||
|
||
<details>
|
||
<summary>MicroPython code | <a href="https://sim.lvgl.io/v8.3/micropython/ports/javascript/index.html?script_startup=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/header.py&script=https://raw.githubusercontent.com/lvgl/lvgl/0d9ab4ee0e591aad1970e3c9164fd7c544ecce70/examples/widgets/slider/lv_example_slider_2.py&script_direct=18bb38200a64e10ead1aa17a65c977fc18131842" target="_blank">在线模拟器</a></summary>
|
||
|
||
.. code-block:: python
|
||
|
||
ltr_label = lv.label(lv.screen_active())
|
||
ltr_label.set_text("In modern terminology, a microcontroller is similar to a system on a chip (SoC).")
|
||
ltr_label.set_style_text_font(lv.font_montserrat_16, 0);
|
||
|
||
ltr_label.set_width(310)
|
||
ltr_label.align(lv.ALIGN.TOP_LEFT, 5, 5)
|
||
|
||
rtl_label = lv.label(lv.screen_active())
|
||
rtl_label.set_text("מעבד, או בשמו המלא יחידת עיבוד מרכזית (באנגלית: CPU - Central Processing Unit).")
|
||
rtl_label.set_style_base_dir(lv.BASE_DIR.RTL, 0)
|
||
rtl_label.set_style_text_font(lv.font_dejavu_16_persian_hebrew, 0)
|
||
rtl_label.set_width(310)
|
||
rtl_label.align(lv.ALIGN.LEFT_MID, 5, 0)
|
||
|
||
font_simsun_16_cjk = lv.font_load("S:../../assets/font/lv_font_simsun_16_cjk.fnt")
|
||
|
||
cz_label = lv.label(lv.screen_active())
|
||
cz_label.set_style_text_font(font_simsun_16_cjk, 0)
|
||
cz_label.set_text("嵌入式系统(Embedded System),\n是一种嵌入机械或电气系统内部、具有专一功能和实时计算性能的计算机系统。")
|
||
cz_label.set_width(310)
|
||
cz_label.align(lv.ALIGN.BOTTOM_LEFT, 5, -5)
|
||
|
||
.. raw:: html
|
||
|
||
</details>
|
||
|
||
.. _arrow_forward-使用 lvgl 过程:
|
||
|
||
▶️ 使用 LVGL 过程
|
||
---------------
|
||
|
||
此列表将指导您逐步开始使用 LVGL。
|
||
|
||
**熟悉 LVGL**
|
||
|
||
1. 查看\ `在线演示 <https://lvgl.io/demos>`__\ ,了解 LVGL 的实际操作(3 分钟)
|
||
2. 阅读\ `文档 <https://docs.lvgl.io/master/intro/index.html>`__\ 的简介页(5 分钟)
|
||
3. 熟悉\ `快速概览 <https://docs.lvgl.io/master/intro/basics.html>`__
|
||
页面上的基本知识(15 分钟)
|
||
|
||
**开始使用 LVGL**
|
||
|
||
4. 设置\ `模拟器 <https://docs.lvgl.io/master/integration/ide/pc-simulator.html#simulator>`__ (10 分钟)
|
||
5. 尝试一些\ `示例 <https://github.com/lvgl/lvgl/tree/master/examples>`__
|
||
6. 将LVGL端口连接到线路板。请参阅\ `移植 <https://docs.lvgl.io/master/intro/add-lvgl-to-your-project/index.html>`__\ 指南,或查看现成的\ `项目 <https://github.com/lvgl?q=lv_port_>`__
|
||
|
||
**成为专业人士**
|
||
|
||
7. 阅读\ `概述 <https://docs.lvgl.io/master/details/main-components/index.html>`__\ 页面以更好地了解图书馆(2-3 小时)
|
||
8. 查看\ `控件 <https://docs.lvgl.io/master/details/widgets/index.html>`__\ 的文档以查看其功能和用法
|
||
|
||
**获得帮助并帮助他人**
|
||
|
||
9. 如果您有问题,请访问\ `论坛 <http://forum.lvgl.io/>`__
|
||
10. 阅读\ `贡献 <https://docs.lvgl.io/master/CONTRIBUTING.html>`__\ 指南,了解如何帮助提高 LVGL(15 分钟)
|
||
|
||
.. _handshake-服务:
|
||
|
||
🤝 服务
|
||
-------
|
||
|
||
LVGL LLC 的成立旨在为 LVGL 库提供坚实的背景,并提供多种类型的服务来帮助您进行 UI 开发。凭借在用户界面和图形行业超过15年的经验,我们可以帮助您将 UI 提升到一个新的水平。
|
||
|
||
- **平面设计**
|
||
我们的内部图形设计师是创造美丽现代设计的专家,适合您的产品和硬件资源。
|
||
- **UI 实现**
|
||
我们还可以根据您或我们创建的设计来实现您的 UI。您可以确信,我们将充分利用您的硬件和 LVGL。如果 LVGL 中缺少某个功能或控件,请不要担心,我们会为您实现它。
|
||
- **咨询和支持**
|
||
我们也可以通过咨询来支持您,以避免在 UI 开发过程中出现昂贵和耗时的错误。
|
||
- **板子认证**
|
||
对于提供开发板或生产套件的公司,我们会进行板子认证,展示板如何运行 LVGL。
|
||
|
||
查看我们的 \ `Demos <https://lvgl.io/demos>`__\ 作为参考。有关更多信息,请查看\ `服务页面 <https://lvgl.io/services>`__\ 。
|
||
|
||
`联系我们 <https://lvgl.io/#contact>`__\ ,告诉我们如何提供帮助。
|
||
|
||
.. _star2-贡献:
|
||
|
||
🌟 贡献
|
||
-------
|
||
|
||
LVGL 是一个开放的项目,我们非常欢迎您的贡献。有很多方法可以帮助您,从简单地谈论您的项目,到编写示例、改进文档、修复错误,甚至在 LVGL 组织下托管您自己的项目。
|
||
|
||
有关贡献的详细说明,请访问文件的\ `贡献 <https://docs.lvgl.io/master/CONTRIBUTING.html>`__\ 部分。
|
||
|
||
已经有 300 多人在 LVGL 留下了痕迹。期待你成为他们中的一员!并在下列贡献者中看到你! 🙂
|
||
|
||
.. raw:: html
|
||
|
||
<a href="https://github.com/lvgl/lvgl/graphs/contributors">
|
||
<img src="https://contrib.rocks/image?repo=lvgl/lvgl&max=48" />
|
||
</a>
|
||
|
||
... 等等其他人.
|
||
|
||
.. |Sponsors of LVGL| image:: https://opencollective.com/lvgl/organizations.svg?width=600
|
||
:target: https://opencollective.com/lvgl
|
||
.. |Backers of LVGL| image:: https://opencollective.com/lvgl/individuals.svg?width=600
|
||
:target: https://opencollective.com/lvgl
|