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Make a Puzzle


This script turns a photo into a puzzle by breaking it into pieces. It can also put the pieces back together to make a new image. Additionally, the script can create a simple animation that shows the puzzle being built step by step.

The puzzle pieces can be given a more realistic, three-dimensional look by adjusting an ImageMagick script that enables the bevel design of the individual pieces.

This tool is great for fun and educational projects.

Requirements

Requirements for Running Natively

Python

python3 --version
Python 3.12

Pip

pip3 --version
pip 24.0

Python libs

pip3 install -U scipy --break-system-packages
pip3 install -U matplotlib --break-system-packages
pip3 install -U pillow --break-system-packages

Zsh

Required with options --pz and -an

zsh --version
zsh 5.9 (x86_64-apple-darwin23.0)

Others

Required with animation (option -an) and assembling the puzzle (option --pz)

Imagemagick®

See Reference ImageMagick®

WebP cwebp webpmux

See Reference Webp

APNG apngasm

See Reference APNG

Requirements for Running in Docker

Docker version 26.0.0

Run

The entire output is saved in a temporary folder like tmp_20231106132717.

Output is:

  • all the puzzle pieces img_puzzle_<nr>.png (optional)
  • all the puzzle pieces with bevel effect img_puzzle_<nr>_bevel.png (optional)
  • all the puzzle piece masks puzzle_<nr>.png
  • the assembled photo and animation done_puzzle.png (optional)
  • the animation done_puzzle.webp.png or done_puzzle.apng.png (all optional)

Usage

python PlayPuzzle.py --help

usage: PlayPuzzle [-h] [-v] [-c {k,b,r}] [-f {png,svg}] [-ot] [-cb] [-an {apng,webp}] [--pz <[0..100]>] [--ep <integer>]
    [--seed <integer>] [--width <integer>] [--height <integer>] [--dpi <integer>] [--minparts <integer>]
    [--maxparts <integer>] [--photo <file-path>]

Create puzzle piece masks and/or create puzzle pieces from a photo and make a new photo from the puzzle pieces.

options:
-h, --help            show this help message and exit
-v, --version         show program's version number and exit
-c {k,b,r}            fill colour (Default: "k = black")
-f {png,svg}          format (Default: "png")
-ot                   save puzzle pieces in the subdirectory according to type
-cb                   script is interrupted to allow manual design of the beveling
-an {apng,webp}       animate puzzle game with given format
--pz <[0..100]>       make a new photo with percentage of puzzle pieces. 0 = no photo, 100 = complete puzzle
--ep <integer>        try to create equal puzzle pieces
--seed <integer>      initial random seed
--width <integer>     photo width
--height <integer>    photo height
--dpi <integer>       photo dpi value
--minparts <integer>  minimum number of puzzle pieces
--maxparts <integer>  maximum number of puzzle pieces
--photo <file-path>   photo file

Example: PlayPuzzle.py --minparts 30 --maxparts 40 --seed 35 --photo photoA.jpg --pz

Using with Docker

To use this application with Docker, follow these instructions:

Building the Docker Image

To build the Docker image, run the following command in the directory containing the Dockerfile:

docker build -t puzzle .

This command builds a Docker image named puzzle.

Running the Application in Docker

To run the application using Docker, you can mount the current directory to the /app directory in the container. This allows the container to access and write files to your host directory. Use the following command to run the application:

docker run -it -v .:/app --rm puzzle --help

This command runs the puzzle Docker container, showing the help information as it would when running the application natively. Any command line arguments applicable to PlayPuzzle.py can be used after the image name.

Version

python PlayPuzzle.py --version

PuzzleBoard v1.0.0

Example A

Make a puzzle with a default number of pieces (minimum 25 and maximum 40). Blue masks. An initial seed for the random design of the puzzle pieces.

Apply ImageMagick® beveling:

python PlayPuzzle.py --photo photoA.jpg --pz 100 --seed 43 -c b

Puzzle piece width-to-height ratio: 1.0416666666666665
Make a puzzle with 30 (6x5) parts!
Play puzzle

Photo: 1000 x 800 Pixel. Bevel Effects: ImageMagick®

Apply manual beveling:

python PlayPuzzle.py --photo photoA.jpg --pz 100 --seed 43 -c b -cb

Puzzle piece width-to-height ratio: 1.0416666666666665
Make a puzzle with 30 (6x5) parts!
Play puzzle
>>> Add custom bevel effects on img_puzzle_*.png in ./tmp_/app/tmp_<timestamp> now and then press <ENTER>.

See apply a bevel design.


Photo: 1000 x 800 Pixel. Bevel Effects: Affinity Photo® Macro

Example A with Docker

Run the following command in the directory containing the Dockerfile:

Apply ImageMagick® beveling:

docker run -it -v .:/app --rm puzzle --photo photoA.jpg --pz 100 --seed 43 -c b

Apply manual beveling:

docker run -it -v .:/app --rm puzzle --photo photoA.jpg --pz 100 --seed 43 -c b -cb

See apply a bevel design.

Example B

Make a puzzle with minimum 20 and maximum 30 pieces. Black masks (default). An initial seed for the random design of the puzzle pieces.

Apply ImageMagick® beveling:

python PlayPuzzle.py --minparts 20 --maxparts 30 --photo photoA.jpg --pz 100 --seed 33

Puzzle piece width-to-height ratio: 1.0
Make a puzzle with 20 (5x4) parts!
Play puzzle

Photo: 1000 x 800 Pixel. Bevel Effects: ImageMagick®

Apply manual beveling:

python PlayPuzzle.py --minparts 20 --maxparts 30 --photo photoA.jpg --pz 100 --seed 33 -cb

Puzzle piece width-to-height ratio: 1.0
Make a puzzle with 20 (5x4) parts!
Play puzzle
>>> Add custom bevel effects on img_puzzle_*.png in ./tmp_/app/tmp_<timestamp> now and then press <ENTER>.

See apply a bevel design.


Photo: 1000 x 800 Pixel. Bevel Effects: Affinity Photo® Macro

Example B with Docker

Run the following command in the directory containing the Dockerfile:

docker run -it -v .:/app --rm puzzle --minparts 20 --maxparts 30 --photo photoA.jpg --pz 100 --seed 33

Apply manual beveling:

docker run -it -v .:/app --rm puzzle --minparts 20 --maxparts 30 --photo photoA.jpg --pz 100 --seed 33 -cb

See apply a bevel design.

Example C

Make a puzzle with minimum 200 and maximum 230 pieces. Black masks (default).

Apply ImageMagick® beveling:

python PlayPuzzle.py --minparts 200 --maxparts 230 --photo photoB.jpg --pz 100

Puzzle piece width-to-height ratio: 1.000250062515629
Make a puzzle with 216 (18x12) parts!
Play puzzle

Photo: 2000 x 1333 Pixel. Bevel Effects: ImageMagick®

Apply manual beveling:

python PlayPuzzle.py --minparts 200 --maxparts 230 --photo photoB.jpg --pz 100 -cb

Puzzle piece width-to-height ratio: 1.000250062515629
Make a puzzle with 216 (18x12) parts!
Play puzzle
>>> Add custom bevel effects on img_puzzle_*.png in ./tmp_/app/tmp_<timestamp> now and then press <ENTER>.

See apply a bevel design.


Photo: 2000 x 1333 Pixel. Bevel Effects: Affinity Photo® Macro

Example C with Docker

Run the following command in the directory containing the Dockerfile:

Apply ImageMagick® beveling:

docker run -it -v .:/app --rm puzzle --minparts 200 --maxparts 230 --photo photoB.jpg --pz 100

Apply manual beveling:

docker run -it -v .:/app --rm puzzle --minparts 200 --maxparts 230 --photo photoB.jpg --pz 100 -cb

See apply a bevel design.

Example D

Make a puzzle with minimum 150 and maximum 200 pieces. Only play the game for 90% and create an `apng`` animation.

python PlayPuzzle.py --minparts 150 --maxparts 200 --photo photoC.jpg --pz 90 -an apng

Puzzle piece width-to-height ratio: 0.9992862241256244
Make a puzzle with 150 (15x10) parts!
Play puzzle
...
saving /app/tmp_<timestamp>/done_puzzle.apng.png (frame 135 of 135)
all done

Photo: 700 x 467 Pixel.

Photo: 700 x 467 Pixel. APNG Animation. 90% completed

Example D with Docker

Run the following command in the directory containing the Dockerfile:

docker run -it -v .:/app --rm puzzle --minparts 150 --maxparts 200 --photo photoC.jpg --pz 90 -an apng

Example E

Make 80% of the puzzle

PlayPuzzle.py --minparts 30 --maxparts 200 --photo photoE.png --pz 80

Puzzle piece width-to-height ratio: 1.0045172219085263
Make a puzzle with 99 (11x9) parts!
Play puzzle

Photo: 1280 x 640 Pixel.

Example E with Docker

Run the following command in the directory containing the Dockerfile:

docker run -it -v .:/app --rm puzzle --minparts 30 --maxparts 200 --photo photoE.png --pz 80

Customize

bevel.zsh

The bevel.zsh script acts as a “hook” that is called after the puzzle pieces have been created. It is used to apply a bevel to the “flat” pieces, giving them a more three-dimensional appearance. Users can customize the bevel design by modifying the bevel.zsh script.

The beveling in bevel.zsh is performed using one of two functions, depending on the options selected:

custom_bevel (): This function is invoked if the -cb option is used. It is designed not to be modified by the user. Instead, it serves to pause the script, allowing the user to manually apply a bevel design to the flat puzzle pieces using image processing software like Affinity Photo® (See Apply a bevel design). The script resumes when the user presses <ENTER> after completing the manual adjustments. Please keep in mind that more commands may have a big impact on the runtime of the script.

imagemagick_bevel (): This function is used if the -cb option is not set. It applies the bevel using ImageMagick® commands, which users can adjust to suit their preferences. The function includes commands that can be modified or new commands can be added for further customization.

Example

Original code:

imagemagick_bevel () 
{
    for png_file in $tsdir/**/img_puzzle_*.png; do
        bevel_tmp_png_file="${png_file:r}_tmp_bevel.png"
        bevel_png_file="${png_file:r}_bevel.png"

        convert "$png_file" \
            \( +clone -alpha Extract -blur 0x3 -shade 170x40 -alpha On -normalize +level 5% \
            +clone +swap -compose overlay -composite \) \
            -compose In -composite "$bevel_tmp_png_file"

        convert "$bevel_tmp_png_file" \( +clone -background black -shadow 5x20+2+2 \) +swap \
            -background none -layers merge +repage -gravity Center -extent $(identify -format "%wx%h" "$png_file") "$bevel_png_file"
        
        rm "$bevel_tmp_png_file"
    done
}

Modified code:

imagemagick_bevel () 
{
    for png_file in $tsdir/**/img_puzzle_*.png; do
        bevel_png_file="${png_file:r}_bevel.png"

        convert "$png_file" \
            \( +clone -alpha Extract -blur 0x5 -shade 170x40 -alpha On -normalize +level 5% \
            +clone +swap -compose overlay -composite \) \
            -compose In -composite "$bevel_png_file"
    done
}
  1. The second convert command that applies a shadow effect has been deleted. This change will keep only the original beveled appearance without the additional shadow overlay, making the final image appear less deep or three-dimensional.
  2. In the first convert command, to demonstrate a possible change, we adjust the blur or shade settings through -blur 0x5 that increase the blurriness of the bevel effect.

Hence bevel.zsh setup provides flexibility, enabling users to either quickly apply a standardized bevel or to create a custom look by adjusting the script or using external tools.

Apply a bevel design

How to use the Affinity Photo® Puzzle3D.afmacro:

  1. Import the Macro:
  • Open a new docuement with Affinity Photo® and access the Macro panel by navigating to View > Studio > Macros.
  • In the Macros panel, select the tab Macro and click on the import icon and select your Puzzle3D.afmacro file. The macro should now be visible in the Tab Library:



  1. Prepare for Batch Processing:
    • Go to File > New Batch Job. This opens a new window for batch processing.
    • Click on “Add” to browse through and select the images in your ./puzzles directory that you wish to process. Alternatively, if supported, you can drag and drop the folder directly into the window.
  2. Apply Macro in Batch Processing:
    • In the "Macros" section within the batch processing window, you should be able to select the previously imported Puzzle3D macro. Click on it to select it.
    • Ensure the checkbox next to the macro name is checked to activate it for batch processing.
  3. Set Output Options:
    • In the “Output” section, choose your preferred location for the processed images. You might >want to specify a new folder to avoid overwriting the original images.
    • Decide on the format in which you want the processed images to be saved, such as JPEG, PNG, etc.
  4. Start Batch Processing:
    • Once everything is set up, click on “Apply” to start the batch processing. Affinity Photo® will now process each image in the selected folder with your Puzzle3D macro.


Depending on the number and size of the images, the batch processing might take some time. Monitor the progress and, after completion, check some of the processed images to ensure the macro has been applied as expected.

References

ImageMagick

Affinity Photo

Webp

APNG

OpenCV