Update - README file

README.txt

@@ -1,23 +1,26 @@
 
-==========================================================================
-                     PDF4Qt library / PDF viewer
-                     (c) Jakub Melka 2018-2021
-                      Mgr.Jakub.Melka@gmail.com
-==========================================================================
+# PDF4QT
+**(c) Jakub Melka 2018-2021**
+**Mgr.Jakub.Melka@gmail.com**
 
-This software is consisting of PDF rendering library, and viewer,
-which can display PDF documents. Software is implementing the PDF
+This software is consisting of PDF rendering library, and several
+applications, such as advanced document viewer, command line tool,
+and document page manipulator application. Software is implementing PDF
 functionality based on PDF Reference 2.0. It is written and maintained
 by Jakub Melka.
 
-1. ACKNOWLEDGEMENTS
+*Software works only on Microsoft Windows.*
+
+Software is provided without any warranty of any kind
+
+##1. ACKNOWLEDGEMENTS
 
 This software is based in part on the work of the Independent JPEG Group.
 
 Portions of this software are copyright © 2019 The FreeType
 Project (www.freetype.org). All rights reserved.
 
-2. LEGAL ISSUES
+##2. LEGAL ISSUES
 
 Both library and viewer uses more benevolent LGPL license, so it is more
 usable in commercial software, than GPL code only. Please see attached
@@ -25,52 +28,70 @@ file - LICENSE.txt to see details. This software also uses several
 third party software, and user of this software must also respect licenses
 of third party libraries.
 
-3. FEATURES
+##3. FEATURES
 
 Software have following features (the list is not complete):
 
- - multithreading support
- - hardware accelerated rendering
- - encryption
- - color management
- - optional content handling
- - text layout analysis
- - signature validation
- - annotations
- - form filling
- - text to speech capability
- - editation
- - file attachments
- - optimalization (compressing documents)
- - command line tool
- - audio book conversion
- - internal structure inspector
+- [x] multithreading support
+- [x] hardware accelerated rendering
+- [x] encryption
+- [x] color management
+- [x] optional content handling
+- [x] text layout analysis
+- [x] signature validation
+- [x] annotations
+- [x] form filling
+- [x] text to speech capability
+- [x] editation
+- [x] file attachments
+- [x] optimalization (compressing documents)
+- [x] command line tool
+- [x] audio book conversion
+- [x] internal structure inspector
+- [ ] compare documents *(planned in year 2021)*
+- [ ] XFA support *(planned in year 2022)*
+- [ ] create fillable forms *(planned in year 2022)*
+- [ ] electronically/digitally sign documents *(planned in year 2023)*
+- [ ] 3D PDF support *(planned in year 2023)*
+- [ ] watermarks / headers / footers *(planned in year 2023)*
+- [ ] presentation application *(planned in year 2023)*
+- [ ] public key security encryption *(planned in year 2023)*
 
-4. THIRD PARTY LIBRARIES
+##4. THIRD PARTY LIBRARIES
 
-    a) libjpeg, see https://www.ijg.org/
-    b) FreeType, see https://www.freetype.org/index.html, FTL license used
-    c) OpenJPEG, implementing Jpeg2000, see https://www.openjpeg.org/, 2-clause MIT license
-    d) Qt, https://www.qt.io/, LGPL license used
-    e) OpenSSL, https://www.openssl.org/, Apache 2.0 license
-    f) LittleCMS, http://www.littlecms.com/
-    g) zlib, https://zlib.net/
+Several third-party libraries are used.
 
+1. libjpeg, see https://www.ijg.org/
+2. FreeType, see https://www.freetype.org/index.html, FTL license used
+3. OpenJPEG, implementing Jpeg2000, see https://www.openjpeg.org/, 2-clause MIT license
+4. Qt, https://www.qt.io/, LGPL license used
+5. OpenSSL, https://www.openssl.org/, Apache 2.0 license
+6. LittleCMS, http://www.littlecms.com/
+7. zlib, https://zlib.net/
 
-5. CONTRIBUTIONS
+##5. CONTRIBUTIONS
 
 If you want to contribute to this project, it is required, that you (contributor)
-transfer the copyright to me, because I want to have a freedom to do whatever
-I want with my library, without obligation to someone else. But I would strongly
-prefer, if you want to contribute, to contribute in the form of testing, consultation,
-giving advices etc. I would like to write this library entirely by myself.
+fill and digitally sign document CLA/Contributor License Agreement.pdf,
+because I want to have a freedom to do whatever I want with my library, without obligation
+to someone else. But I would strongly prefer, if you want to contribute, to contribute
+in a form of testing, consultation, giving advices etc. I would like to write this library
+entirely by myself.
 
-6. COMPILING
+##6. COMPILING
 
 To compile this project, Visual Studio 2019 is needed. Only Microsoft Windows
 is supported at this time. You must also have all of above libraries in order
-to compile the project.
+to compile the project. Software uses Qt 5.14.2.
 
-7. DISCLAIMER
+### Compilation instructions:
+1. Download Qt 5.14.2
+2. Download [precompiled libraries](https://github.com/JakubMelka/PdfForQt-Dependencies),
+   or compile them yourself. Libraries must be in same root directory as this project,
+   so root folder of this project will have a sibling folder with these libraries
+3. Open Qt Creator and root project Pdf4Qt.pro
+4. Create target for Microsoft Visual Studio 2019 and compile the project
+
+##7. DISCLAIMER
 
 I wrote this project in my free time. I hope you will find it useful!