CHANGELOG.md

Changelog

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

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[1.0.3] - 2022-01-18 (JW)

Added:

• Added: SVD Dimension Counter

[1.0.2] - 2022-01-18 (MJ)

Changed:

• Decode Header Counter changed to two dimensions counters
• Made authors photos a little bit more crisp, by switching to pixelated rendering

[1.0.1] - 2022-01-18 (MJ)

Fixed:

• Maximum Available Capacity counter now properly display its value.

[1.0.0] - 2022-01-18 (MJ)

(diff: 0.15.4-1.0.0)

Added:

• Handling results adaptively depending on the number of encoded/decoded images.

Changed:

• Some more refactorizations in main.ts.
• Fixed few typos in REPORT.md.

[0.15.4] - 2022-01-17 (JW)

(diff: 0.15.3-0.15.4)

Updated:

• REPORT.md - added SVD section
• My bio on index.html

[0.15.3] - 2022-01-16 (KS)

(diff: 0.15.2-0.15.3)

[0.15.2] - 2022-01-15 (MJ)

(diff: 0.15.1-0.15.2)

Added:

• UserFlowHandler class

Changed:

• Moved globally scoped HTMLElements to UserFlowHandler class
• Moved globally scoped Fullscreen related functions to UserFlowHandler -> Fullscreen class

[0.15.1] - 2022-01-15 (MJ)

(diff: 0.15.0-0.15.1)

Added:

• JQuery Types

[0.15.0] - 2022-01-15 (MJ)

(diff: 0.14.0-0.15.0)

Added:

• Exceeded Capacity Check for Image Generation

Changed:

• Massive refactor of main.ts file.
• Removed the Work in Progress label from Histogram Shifting

[0.14.0] - 2022-01-15 (MJ)

(diff: 0.13.0-0.14.0)

Added:

• REPORT.md file that covers the final report of the project.
• Connected the Histogram Shifting Capacity Counter

[0.13.0] - 2022-01-10 (KS)

(diff: 0.12.0-0.13.0)

Histogram Shifting - Decryption

[0.12.0] - 2021-12-29 (MJ)

(diff: 0.11.3-0.12.0)

Added:

• UI: Separate Ascii Characters Left Counters for each algorithm
• UX: Colorizing the algorithms for which the message has exceed the available capacity

[0.11.3] - 2021-12-15 (KS)

(diff: 0.11.2-0.11.3)

Histogram Shifting

[0.11.2] - 2021-12-08 (MJ)

(diff: 0.11.1-0.11.2)

Added:

• Histogram Shifting output is now visible on the webpage
• Console check whether the decrypted messages match the original messages

[0.11.1] - 2021-12-08 (MJ)

(diff: 0.11.0-0.11.1)

Added:

• Singular Value Decomposition output is now visible on the webpage

Changed:

• Histogram Shifting has now W.I.P. label (Work In Progress)

[0.11.0] - 2021-12-08 (MJ)

(diff: 0.10.3-0.11.0)

Added:

• Custom Themed Checkboxes
• Two paragraphs in README.md in Introduction.
• Images are now downloadable via right mouse click.

Changed:

• Now images are loaded in a new way, w/o external libraries
• Stylized focus color to match the them of all inputs.
• Increased the font weight of error tooltip.
• Cleaned up main.ts
• Cleaned up index.html

Removed:

• External library for image loading.

[0.10.3] - 2021-12-08 (JW)

(diff: 0.10.2-0.10.3)

Singular Value Decomposition - Encoding Implementation

[0.10.2] - 2021-12-08 (KS)

(diff: 0.10.1-0.10.2)

Histogram Shifting - Encoding Implementation

[0.10.1] - 2021-12-01 (MJ)

(diff: 0.10.0-0.10.1)

Changed:

• Customized animation times for hover in and out
• A bit more styling for the enlarged image

[0.10.0] - 2021-12-01 (MJ)

(diff: 0.9.0-0.10.0)

Added:

• The results images are now clickable!
  • After the click, image is enlarged to full screen in ala "lightbox" like effect (it is always horizontally & vertically centred).
  • The second click will not use fade-in animations deliberately for faster responsiveness.
• Now, the CAPACITY IN ASCII LETTERS counter live-updates itself based on the number of characters used in the input.

Changed:

• Counters are now much faster.

Fixed:

• Image Size now properly displays the number in KB instead of B.

[0.9.0] - 2021-11-25 (MJ)

(diff: 0.8.0-0.9.0)

Added:

• Now the results section is hidden until encryption/decryption operation is executed by user
• After encryption, website smoothly navigates to the results section
• Counters are now functional
• Borders in Credits Section

[0.8.0] - 2021-11-21 (MJ)

(diff: 0.7.3-0.8.0)

Added:

• Big shiny animated border to catch users attention
  • 
• Handling the situation when user, after inserting an image, adds another one to the website.
• Properly inserting the preview of the image after input.
• Added styling to the encoded images (rounded corners, themed border)

[0.7.3] - 2021-11-14 (KS)

(diff: 0.7.2-0.7.3)

Difference Expansion

[0.7.2] - 2021-11-13 (KS)

(diff: 0.7.1-0.7.2)

Huffman Compression

[0.7.1] - 2021-11-13 (MJ)

(diff: 0.7.0-0.7.1)

Added:

• Decoded Image Display on Main Website.
  • 

Changed:

• More meaningful identifiers for HTML Elements.

[0.7.0] - 2021-11-13 (MJ)

(diff: 0.6.2-0.7.0)

Added:

• Image Loading to main website.
  • 
• Handling all user inputs
• Safe Checks
• Tooltip updates depending on the missing information

Changed:

• Code Flow in [main.ts]
• Compile target from es2019 to es2021
• Module from commonjs to esnext

[0.6.2] - 2021-11-01 (KS)

[0.6.1] - 2021-10-30 (KS)

[0.6.0] - 2021-10-29 (MJ)

The Project from now is written in TypeScript. 🎉

(diff: 0.5.1-0.6.0)

Added:

• TypeScript configuration tsconfig.json.
• New development section in README.md.

Changed:

• All the source code files from /src/ from .js to .ts.

TODO:

• Not everything is typed yet, tiny bit of work left to do.

[0.5.1] - 2021-10-29 (MJ)

(diff: 0.5.0-0.5.1)

Added:

• pixel3DArrayToChannelArray() implementation in histogram-shifting.js

[0.5.0] - 2021-10-26 (JW)

(diff: 0.4.1-0.5.0)

Added:

• Reversible Data Hiding - a paper on histogram shifting
• Directory /src/algorithms/ with three javascript files containg basic structure of three chosen encryption methods

Changed:

• main.js now invokes the (not yet finished) encryption methods of the /src/algorithms/ directory instead of the sample methods from /src/algorithms.js (which was removed)

[0.4.1] - 2021-10-26 (MJ)

(diff: 0.4.0-0.4.1)

Changed:

• Moved encoders from main.js to separate algorithms.js file
• Moved bmp-encoder-decoder.js to separate /src/encoders directory and renamed it to bmp.js

[0.4.0] - 2021-10-26 (MJ)

(diff: 0.3.0-0.4.0)

Converter Form responsiveness.

Added:

• Prepared the main.js for the user usage-flow logic handling & tiny structurization
  • Temporary downloads example based on the checkbox inputs
  • Variable which holds the text for encryption with on-key-change updates
  • Functions and logic checks for each encryption method
  • Variables holding the counter labels
• Some ID's in the index.html to get the HTML elements
• Constraint for the input, limited (currently) only to .bmp filetype
• Tooltip for Encoder Button
  • Disabled it by default
  • After user uploads an image, it is enabled
  • If he tries to press the button before uploading an image, a tooltip will apear
  • Tooltip is hidden after the image is uploaded
  • 

Changed:

• Moved the examples from main.js to examples.js

[0.3.0] - 2021-10-21 (KS)

(diff: 0.2.0-0.3.0)

BMP Decoder / Encoder class & Blob Downloader.

Added:

• BMP Encoder / Decoder
  • Properties:
    • bytesPerPixel
    • fileSize
    • height
    • width
    • plainPixelsData
    • pixels3D
• Blob Downloader

[0.2.0] - 2021-10-13 (MJ)

(diff: 0.1.1-0.2.0)

Massive Update. Fully styled website on which we are going to implement stuff.

Added:

• Styled Website inside the main directory. Website should be available here.
• Website is divided into three sections:
  • Main Encoder/Decoder
    • There is a place for a future canvas which can be used to transform & manipulate the image (hint)
    • Simple three steps for the user:
      1. Image Upload
      2. Desired Method conversion checkboxes
      3. Message Textfield
    • Counters which indicate the total space, available space and encrypted header decode message in KB's,
    • 
  • Results
    • Presented as images based on the previously checked checkboxes + the original/decoded image.
    • 
  • Credits
    • Section to gain some social credit for us if the project succeed. xD
    • 
• Everything website related can be found in the assets directory - the vendor javascripts, css, fonts and images.
• Logo for our project! 🎉
  • 
  • Corresponding .ico file was added in ./assets/icons/favicon.ico
• Updated README.md with link to the website.

[0.1.1] - 2021-10-11 (MJ)

(diff: 0.1.0-0.1.1)

Tiny update w/ team members.

Added:

• Team section in README.md.

[0.1.0] - 2021-10-10 (JW)

(diff: 0.0.1-0.1.0)

Articles related to the subject of the project have been linked.

Added:

• 4 articles related to the project into /docs/papers/ directory:

  • Analiza właściwości metod steganografii odwracalnej.
  • Lossless generalized-LSB data embedding.
  • Efficient Image Reversible Data Hiding Technique Based on Interpolation Optimization.
  • Comparative study on different reversible image data hiding techniques.

• Related work section to README.md.

[0.0.1] - 2021-10-17 (MJ)

(diff: 0.0.0-0.0.1)

Added:

• Created DevelopmentWorkCulture.md for the project that contains some rules how we can make working together easier.

[0.0.0] - 2021-10-07 (MJ)

Project was initialized.

Added

• Created CHANGELOG.md for the project that contains the history of changes for this project.
• Created README.md for the project that contains various useful information, requirements and instructions in order ot run the program.