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MiniGUI Overview

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Vincent Wei edited this page Nov 13, 2019 · 7 revisions

A mature and proven cross-platform windowing system and GUI system for embedded and/or smart IoT devices.

TABLE OF CONTENTS

INTRODUCTION

MiniGUI is a mature and proven cross-platform windowing system and a GUI (Graphics User Interface) support system for embedded systems and smart IoT devices.

MiniGUI is released under GPLv3 and the dual-licensing applies to commercial use.

MiniGUI aims to provide a fast, stable, full-featured, and cross-platform windowing and GUI support system, which is especially fit for embedded systems or smart IoT devices based-on Linux/uClinux, eCos, and other traditional RTOSes, such as VxWorks, ThreadX, Nucleus, pSOS, uC/OS-II, and OSE.

MiniGUI is also a free software project. In December 1998, the initiator of FMSoft, Wei Yongming, began to develop MiniGUI under the GNU General Public License (GPL). In September 2002, the core developers of MiniGUI founded Beijing FMSoft Technologies Co., Ltd. and started the commercial marketing with the free software. By now, FMSoft still continues to release MiniGUI as a free software project.

MiniGUI core provides windowing and graphics interfaces as well as a lot of standard controls (tookit). Besides MiniGUI core, FMSoft also provides some components for the developers to develop app much easier:

  • mGUtils: A MiniGUI component which contains miscellaneous utilities like ColorSelectionDialogBox, FileOpenDialogBox, and so on.

  • mGPlus: A MiniGUI component which provides support for advanced graphics functions like path, gradient, anti-aliase stretch, and color combination.

  • mGEff: mGEff provides an animation framework for MiniGUI app. It also provides some popular UI/UE special effects.

  • mGNCS: This component provides a new control set for MiniGUI app.

  • mGNCS4Touch: This component provides some new controls, which are compliant to the new control API spec of mGNCS, for devices with touch screens.

There are also some legacy MiniGUI components. But we will not maintain these components since MiniGUI v3.2.0:

  • mGi: An input method component for MiniGUI. This component provides some typical input methods (such as softkey, hand-writing, and predict text input for mobile phone) for MiniGUI apps.

  • mGp: A printing component for MiniGUI. By using mGp, you can print out the graphics created by MiniGUI app to general-purpose printers.

  • mG3d: A simple three-dimension component for MiniGUI. This component provides a simple 3D API for app. You can use mG3d to create simple 3D UI.

You can download the source code tarballs of MiniGUI Core, MiniGUI components, and the dependent libraries from the download zone of the site:

http://www.minigui.com

FMSoft also releases some open source apps for MiniGUI on the site above, for examples:

  • mDolphin, licensed under Apache 2.0, is a full-featured WEB/WAP browser, which is developed based on the open source browser core WebKit and uses MiniGUI as its underlying graphics support system.

  • mGallery, licensed under Apache 2.0, intends to provide a total solution for PMP (Portable Multimedia Player), which uses MiniGUI as the graphics platform.

  • mSpider, licensed under GPL 3.0, intends to provide a light-weight MiniGUI-based web browser (HTML 3.2 and part JavaScript)

  • mEagle, licensed under GPL 3.0, is an embedded GIS development platform which addresses the needs of map browse, query, analysis, etc

FMSoft had created the public repositories for MiniGUI core, MiniGUI components, and other open source apps on GitHub. You can visit them on:

https://github.com/VincentWei

or,

https://github.com/FMSoftCN

We now maintain the documents about MiniGUI on GitHub Wiki:

https://github.com/VincentWei/minigui/wiki

A BRIEF BUILDING INSTRUCTION

This instruction assumes that you are using Ubuntu Linux.

Prerequisites

You should run apt install <package_name> to install the following packages on your Ubuntu Linux.

  • Building tools:
    • autoconf
  • Dependent libraries (all are optional):
    • libjpeg64-dev
    • libpng12-dev (use libpng-dev on Ubuntu Linux 18.04 LTS)
    • libfreetype6-dev

Building MiniGUI Core

MiniGUI core uses GNU autoconf/automake scripts to configure and build the project.

Run

$ ./configure; make; sudo make install

to configure, make, and install the headers and the libraries. If there is not configure file, please run

$ ./autogen.sh

to generate the script.

MiniGUI core also provides some configuration options to customize the features. For more information, please run

$ ./configure --help

Building the Comprehensive Demo

If you are anxious to see the comprehensive demo of MiniGUI core and MiniGUI components, please fetch one of the following repositories from GitHub and follow the instructions to build the samples and the demonstration programs:

https://github.com/VincentWei/build-minigui-4.0

or

https://github.com/VincentWei/build-minigui-3.2

Unit Tests

Since MiniGUI 4.0.0, we organize the unit test code of MiniGUI APIs in the following repository:

https://github.com/VincentWei/mg-tests

If you are interested in hacking the MiniGUI code, please visit this repository.

NEW FEATURES IN VERSION 4.0.x

In this version, we enhanced and tuned the APIs related to text rendering, in order to support [HybridOS Foundation Class Library].

  • MiniGUI now provides complete APIs for Unicode characters processing. These APIs conform to Unicode 12.0.

  • MiniGUI also provides new APIs to lay out, shape, and render glyphs from complex and mixed scripts, such as Arabic, Thai, and Indic.

  • We tuned and optimized MiniGUI's logical and device font interfaces to support the new features above.

  • MiniGUI now is enhanced to support input events which may be generated by input devices other than standard mouse (or single-touch panel) and keyboard, such as multi-touch panel (gesture), joystick, tablet tool, table pad, and switch. In MiniGUI 4.0, we introduce MSG_EXIN_XXX messages to support the input events from devices other than standard mouse and keyboard. We call these messages as 'extra input messages'.

  • The NEWGAL engine of dri to support modern DRI/DRM-driven graphics cards or GPUs on Linux.

  • The IAL engine of libinput to support all modern input devices including mouse, keyboard, joystick, switch, multiple touch panel, gesture, tablet tool, and table pad on Linux.

  • We introduced a Slice Memory Allocator for fast concurrent memory chunk allocation.

  • Cleanup and tune code for GCC 7.3.

For more information, please refer to RELEASE-NOTES.md file:

https://github.com/VincentWei/minigui/blob/master/RELEASE-NOTES.md

Because of the changes of some APIs, we recommended strongly that you use this version for new projects.

NEW FEATURES IN VERSION 3.2.x

We introduce some new features in MiniGUI Version 3.2.x:

  • The support for 64-bit platform. Note that some APIs have changed to support 64-bit platform.
  • Some enhancements and optimizations.

For more information, please refer to RELEASE-NOTES.md file:

https://github.com/VincentWei/minigui/blob/rel-3-2/RELEASE-NOTES.md

ADVANTAGES OF MINIGUI

  • Support for multiple operating systems:
    • Linux
    • VxWorks, ThreadX, eCos, uC/OS-II, Nucleus, OSE, …
  • Excellent portability and great scalability:
    • Monochrome to true-color display.
    • With or without hardware acceleration.
    • Keypad and/or touch panel.
    • Local charset or Unicode.
  • Best balance between performance and functionality.
  • Flexible configurability.
  • A large number of successful cases:
    • Tens of millions of shipments of feature phones.
    • Millions of shipments of digital photo frames.
    • Millions of shipments of industry devices.
  • Minimal footprint:
    • 100MHz CPU
    • Runtime RAM consumption: 1MB
    • Static/shared library: 500KB ~ 900KB

HIGHLIGHTS OF MINIGUI

The Runtime Modes of MiniGUI

You can configure and compile MiniGUI as one of three runtime modes:

  • MiniGUI-Threads: A program running on MiniGUI-Threads can create multiple cascaded windows in different threads, and all the windows belong to a single process. MiniGUI-Threads is fit for some real-time systems on Linux/uClinux, eCos, uC/OS-II, VxWorks, pSOS, ThreadX, and OSE.

  • MiniGUI-Processes: A program running on MiniGUI-Processes is an independent process, which can also create multiple windows. MiniGUI-Processes is fit for some complex embedded systems, such as PDAs, Thin-Clients or STBs. This mode is only useful for full-featured UNIX-like operating systems, like Linux.

  • MiniGUI-Standalone: A single process version of MiniGUI. This mode is useful for some small systems, like uClinux or RTOSes.

The original MiniGUI (version 1.0) run in MiniGUI-Threads mode. It is based on POSIX-compliant thread library. And this thread-based architecture of MiniGUI is very fit for most traditional embedded operating systems, such as eCos, uC/OS-II, and VxWorks. However, if you use embedded Linux, the architecture like X Window will have better stability and scalability, because of the independent memory address space of every process.

Since version 2.0, we provides a new runtime mode called MiniGUI-Processes. You can use MiniGUI-Processes to run more than one MiniGUI-based program in the form of UNIX process at the same time. MiniGUI-Processes is a full-featured multi-process version of original MiniGUI -- You can run a program based on MiniGUI-Processes from a program called 'mginit'. Just like X Window, the former process is called a client, and the latter the server.

Clients connect to the server via UNIX domain socket, and the server receives and responses requests from clients. The server provides shared resources for clients, manage window objects, and sends mouse (or touch screen) and keyboard events to the active top-most client. If a client exits or dies for some reasons, it will not damage other clients and the server.

Support for Multiple Charsets

  • ISO8859-1 ~ ISO8859-15
  • GB2312, BIG5, EUCKR, SHIFT-JIS
  • UNICODE 12.0

Support for Multiple Font Types

  • MiniGUI defined font types: RBF and VBF.
  • MiniGUI defined Unicode Pre-rendered fonts (UPF).
  • TrueType/OpenType fonts (via FreeType).
  • User-defined BITMAP fonts.

Support for Various Graphics Devices

  • All types of display mode
  • All types of LCD controller
  • YUV output device like TV set

Support for Various Input Devices

  • Keyboard/keypad
  • Mouse, single-touch or multi-touch panel
  • Joystick
  • Remote controller

Common Controls

  • Label
  • Button
  • Uingle-line and multi-line edit boxes
  • List box
  • Combo box
  • Progress bar
  • Property sheet
  • Toolbar
  • Track bar
  • Tree view
  • List view
  • Month calendar
  • Grid view
  • Icon view
  • Animation
  • ...

Look and Feel Renderers

  • To customize the appearance of MiniGUI windows and controls.
  • Four built-in LF renderers
    • Classic: Windows style appearance.
    • Fashion: macOS style appearance.
    • Flat: use for gray screen.
    • Skin: render MiniGUI windows/controls by user defined pictures.
  • Developer can develop his/her own LF renderer
  • The metrics, color, font, and icon of window elements can be customized.

Others

  • Use universal virtual frame buffer to develop MiniGUI apps on desktop computer.
  • Support for common GUI elements, including menu, acceleration key, caret, timer, etc.
  • Support for multiple keyboard layouts.
  • Support for built-in resources. Thus, MiniGUI can be used on some embedded systems without file systems.
  • Special support for embedded systems, including the common I/O operations, byte-orders related functions, touch screen calibration interface, and so on.

Successful Cases

  • Huawei
    • Digital Photo Frames
  • Leadcore, ZTE, Hisense
    • 3G feature phone solution (Arena)
  • RDA, ASR
    • 3G/4G feature phone solution
  • Allwinner, Rockchip
    • Smart IoT devices
  • Industry Leaders
    • ABB, Bosch, Mindray, HIKVISION, Nanrui

HISTORY

21 years have pasted since MiniGUI was initially created at the end of 1998, and now it becomes much reliable and stable. During the past years, many remarkable changes have taken place in the MiniGUI project.

At the original, the version 0.2.xx was based on SVGALib and PThread (LinuxThreads). Then the version 0.3.xx had many enhanced features including Graphics Abstract Layer (GAL), Input Abstract Layer (IAL), and the support for multiple charsets and multiple fonts.

In version 1.0.00, we designed MiniGUI-Lite, which was more fit for some complex embedded systems, such as PDAs, Thin-Clients, or STBs. MiniGUI-Lite made the embedded systems more stable and efficient. The version 1.0.00 provided the native fbcon engine based on Linux frame buffer device directly as well.

In the development of version 1.1.00, we re-wrote the GAL and GDI interfaces, and provided some advanced video features, such as raster operation, transparent blitting, alpha blending, and video hardware acceleration. We also provided some important GDI functions, such as Ellipse, Arc, Polygon, and FloodFill.

In the development of version 1.6.0, we added advanced 2D graphics functions to MiniGUI. It provides the abstract logical pen and brush objects, and can be used to render advanced graphics objects.

In the development of version 2.0.x, we developed MiniGUI-Processes.

In the development of version 3.0.x, we introduced Look & Feel Renderer, BIDI text support, Non-rectangular window, double-buffer window, and other main features.

In the development of version 3.2.x, we introduced the support for 64-bit architectures.

In the development of version 4.0.x, we introduced the support for complex writing systems (scripts), such as Arabic, Thai, and Indic.

A brief history description of the development progress lay below:

  1. Jul., 2019:
    FMSoft released MiniGUI version 4.0.0.
  2. Apr., 2019:
    FMSoft released MiniGUI version 3.2.2.
  3. Feb., 2018:
    FMSoft released MiniGUI version 3.2.0.
  4. Dec., 2017:
    FMSoft updated MiniGUI and miniStudio for latest Linux distributions.
  5. Aug., 2017:
    FMSoft released the latest source code of mDolphin under Apache 2.0.
  6. Aug., 2017:
    FMSoft released the latest source code of MiniGUI under GPL 3.0.
  7. Oct., 2010:
    MiniGUI official version 3.0.12 released.
  8. Aug., 2010:
    MiniGUI official version 3.0.10 released.
  9. May, 2010:
    MiniGUI official version 3.0.8 released.
  10. Jan., 2010:
    MiniGUI official version 3.0.6 released.
  11. Oct., 2009:
    MiniGUI official version 3.0.4 released.
  12. Apr., 2009:
    MiniGUI official version 3.0.2 released.
  13. Nov., 2007:
    MiniGUI official version 2.0.4/1.6.10 released.
  14. Jul., 2006:
    MiniGUI official version 2.0.3/1.6.9 released.
  15. Jun., 2006:
    MiniGUI provides support for OSE.
  16. Oct., 2005:
    MiniGUI official version 2.0.2 released.
  17. Sep., 2005:
    MiniGUI official version 1.6.8 released.
  18. Aug., 2005:
    MiniGUI beta version 2.0.0 released.
  19. Feb., 2005:
    MiniGUI official version 1.6.1 released.
  20. Jan., 2005:
    MiniGUI tested on ThreadX and pSOS.
  21. Jun., 2004:
    MiniGUI tested on VxWorks.
  22. Feb., 2004:
    MiniGUI tested on eCos and uC/OS-II.
  23. Jan., 2004:
    MiniGUI official version 1.5.1 released (2004/01/18).
  24. Sep., 2003:
    MiniGUI official version 1.3.1 released (2003/09/11).
  25. May, 2003:
    MiniGUI official version 1.2.6 released (2003/05/18).
  26. Mar., 2003:
    MiniGUI official version 1.2.5 released (2003/03/23).
  27. Sep., 2002:
    The main developers of MiniGUI founded a new software corporation: Beijing FMSoft Technology Co., Ltd.. And the development and maintenance of MiniGUI changes from loosely-knit team to business organization.
  28. Apr., 2002:
    MiniGUI the new stable version 1.2.0 released (2002/04/11).
  29. Mar., 2002:
    MiniGUI API Reference documentation version 1.0 released.
  30. Mar., 2002:
    MiniGUI official version 1.1.0 released (2002/03/08). MiniGUI API Reference documentation version 0.9 released.
  31. Oct., 2001:
    MiniGUI version 1.1.0Pre4 released (2001/10/22). This version have new GAL and GDI interfaces.
  32. Sep., 2001:
    MiniGUI version 1.0.9 released (2001/09/17), this will be the last version of source branch 1.0.x.
  33. Sep., 2001:
    MiniGUI version 1.1.0Pre1 released (2001/09/12).
  34. Apr., 2001:
    MiniGUI version 1.0.00 released (2001/04/16).
  35. Feb., 2001:
    MiniGUI version 1.0.00Pre1 released.
  36. Jan., 2001:
    MiniGUI version 1.0.00Beta1 released.
  37. Jan., 2001:
    MiniGUI version 0.9.98 released. You can build MiniGUI-Lite from this version.
  38. Nov., 2000:
    MiniGUI version 0.9.96 released.
  39. Oct., 2000:
    MiniGUI version 0.9.00 released.
  40. Sep., 2000:
    MiniGUI version 0.3.06 released.
  41. Jun., 2000:
    Began to develop version 1.0.xx.
  42. Mar., 2000:
    Linux distribution installer based-on MiniGUI for HappyLinux 1.0.
  43. Jan., 2000:
    VCOnGUI (Virtual Console on MiniGUI) version 0.2.02.
  44. Sep., 1999:
    Snapshot of screen or window.
  45. Sep., 1999:
    Dialog boxes and message boxes.
  46. Aug., 1999:
    Some standard controls (Portion by Zhao Jianghua).
  47. Jul., 1999:
    GIF and JPG loading support (by LI Zhuo).
  48. Jun., 1999:
    Chinese input method (by Kang Xiaoning).
  49. May, 1999:
    Timer, menu, and the skeleton of control sub-system.
  50. Apr., 1999:
    The skeleton of MiniGUI, windowing sub-system and basic graphics device interfaces.
  51. Dec., 1998:
    Began to write.
  52. 1994 ~ 1996:
    MiniGUI DOS version.

AUTHORS AND COPYING

The original author of MiniGUI is WEI Yongming, and now MiniGUI is maintained by FMSoft. For more information, please refer to http://www.fmsoft.cn.

Copyright (C) 2002 ~ 2019, Beijing FMSoft Technologies Co., Ltd.
Copyright (C) 1998 ~ 2002, WEI Yongming

This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program. If not, see http://www.gnu.org/licenses/.

Or,

As this program is a library, any link to this program must follow GNU General Public License version 3 (GPLv3). If you cannot accept GPLv3, you need to be licensed from FMSoft.

If you have got a commercial license of this program, please use it under the terms and conditions of the commercial license.

For more information about the commercial license, please refer to http://www.minigui.com/blog/minigui-licensing-policy/.

Special Statement

The above open source or free software license does not apply to any entity in the Exception List published by Beijing FMSoft Technologies Co., Ltd.

If you are or the entity you represent is listed in the Exception List, the above open source or free software license does not apply to you or the entity you represent. Regardless of the purpose, you should not use the software in any way whatsoever, including but not limited to downloading, viewing, copying, distributing, compiling, and running. If you have already downloaded it, you MUST destroy all of its copies.

The Exception List is published by FMSoft and may be updated from time to time. For more information, please see https://www.fmsoft.cn/exception-list.

Not Free for Commercial Use

As stated above, MiniGUI and its components are licensed under GPL. So any links about MiniGUI must follow GPL. If you cannot accept GPL, you need to be licensed from FMSoft.

We provide you the commercial license of MiniGUI according to the number of the run-time binary copies of MiniGUI. If you are interested in the commercial license of MiniGUI, please write to sales@minigui.com.

A LITTLE FAQ

Q: Which operating systems does MiniGUI support?
A: MiniGUI can run on Linux/uClinux, uC/OS-II, eCos, ThreadX, pSOS, VxWorks, ThreadX, OSE, and even Win32. Any other real-time OSes can be supported theoretically.

Q: Which architecture does MiniGUI support?
A: x86 32/64-bit, ARM 32/64-bit (e.g., ARMv7 and ARM Cortex-A7), PowerPC, MIPS, DragonBall, ColdFire, Blackfin, and so on.

Q: Does MiniGUI offer the support for grey LCD with 4bpp (bits per pixel)?
A: Yes, it offers. It even offers the support for 1bpp and 2bpp LCD.

Q: Can I get the tech. support from MiniGUI team?
A: Yes, FMSoft can provide you with guaranteed commercial technical support services. Please send messages to sales@minigui.com.

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