codebox · valdanylchuk · May 28, 2024
diff --git a/.gitignore b/.gitignore
@@ -2,3 +2,4 @@
 ENV
 *.jpg
 *.jpeg
+.DS_Store
diff --git a/README.md b/README.md
@@ -17,6 +17,11 @@ For example:
 <pre>python mosaic.py game_of_thrones_poster.jpg /home/admin/images/screenshots
 </pre>
 
+Or, if you want to use the included plain color tiles for pixel art effect (you can generate your own palette by modifying [the generation script](extras/gen_colors_rgb.py)):
+
+<pre>python mosaic.py game_of_thrones_poster.jpg images/colors
+</pre>
+
 The images below show an example of how the mosaic tiles are matched to the details of the original image:
 
 ![Mosaic Image](https://codebox.net/assets/images/mosaic/mosaic_small.jpg)  

diff --git a/extras/gen_colors_rgb.py b/extras/gen_colors_rgb.py
@@ -0,0 +1,22 @@
+from PIL import Image
+import os
+
+# Creates a palette of small 32x32px PNG images.
+
+output_dir = "output_images"
+os.makedirs(output_dir, exist_ok=True)
+
+# Define the equally spaced RGB levels for the palette combinations
+nLevels = 10
+step = 255.0/(nLevels-1)
+levels = [int(i * step) for i in range(nLevels)]
+
+# Generate and save the images
+for r in levels:
+    for g in levels:
+        for b in levels:
+            img = Image.new("RGB", (32, 32), (r, g, b))
+            hex_color = f"{r:02x}{g:02x}{b:02x}"
+            img.save(os.path.join(output_dir, f"{hex_color}.png"))
+
+print(f"Image generation complete; saved to {output_dir}")
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-Original file line number
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@@ Expand Up / @@ -2,3 +2,4 @@ @@
     ENV
     *.jpg
     *.jpeg
+    .DS_Store