Improve feedback

give color data, show processing for larger palettes only

ih/chart.py

@@ -28,7 +28,7 @@
 GUIDECOL = (0, 0, 0, 0)
 
 
-def debug_data(image_name, scale, palette_name, chartimage, fileformat="html"):
+def debug_data(image_name, scale, colors, palette_name, chartimage, fileformat="html"):
     import pkg_resources
 
     ih_version = pkg_resources.require("ih")[0].version
@@ -37,6 +37,7 @@ def debug_data(image_name, scale, palette_name, chartimage, fileformat="html"):
         f"Scale: {scale}x",
         f"Image size: {chartimage.height} x {chartimage.width}",
         f"Palette: {palette_name}",
+        f"Colors: {colors}",
         f"ih version: {ih_version}",
     ]
     if fileformat == "html":
@@ -339,6 +340,7 @@ def chart(
     data = debug_data(
         image_name=image_name,
         scale=scale,
+        colors=colors,
         palette_name=palette_name,
         chartimage=chartimage,
         fileformat=fileformat,

ih/palette.py

@@ -87,12 +87,15 @@ def reduce_palette(palette, image):
     if len(palette) <= 256:
         return palette
 
-    print("Evaluating best colour selection...")
     palette_triplets = [x["rgb"] for x in palette]
     best_colours = set()
 
     # Get image palette in RGB triplets
     my_colours = [x[0:3] for x in image.getdata()]
+
+    # Larger palettes may take some time, so let 'em know.
+    if len(my_colours) > 12:
+        print("Processing...")
     # Get nearest colour https://stackoverflow.com/a/22478139
     tree = sp.KDTree(palette_triplets)
     for colour in my_colours:
@@ -107,7 +110,6 @@ def reduce_palette(palette, image):
 
     first_colours += palette
 
-    print("...Done")
     return first_colours