use a shared conf file for rendering to svg

py/conf/base.conf

@@ -0,0 +1,12 @@
+canvasWidth=1301
+canvasHeight=914
+windowWidth=1301
+windowHeight=914
+dotSize=6
+maxGenerations=50
+maxParticles=2500
+minDotSize=1.8
+line=1.8
+fill=true
+mode="stipple"
+display=true

py/posterize.py

@@ -4,6 +4,7 @@ import argparse
 import cv2
 from common import convert_color, closest_color_weighted_euclidean, closest_color_euclidean, create_colored_image, remove_from_list, list_match
 import os
+import subprocess
 
 class Posterize:
 	"""Posterize an image and then find nearest colors to use"""
@@ -22,6 +23,7 @@ class Posterize:
 	h = 0
 	w = 0
 	n_colors = 3
+	max_particles = 3000
 
 	white = [255, 255, 255]
 
@@ -41,6 +43,7 @@ class Posterize:
 		self.flatten_pallete()
 		self.posterize()
 		self.determine_colors()
+		self.ratio()
 
 	def posterize (self):
 		lab = cv2.cvtColor(self.image, cv2.COLOR_BGR2LAB)
@@ -71,6 +74,16 @@ class Posterize:
 		blank = create_colored_image(self.w, self.h, [255, 255, 255])
 		composite = create_colored_image(self.w, self.h, [255, 255, 255])
 		
+		mask = self.extract_color_mask(self.image, white)
+		layer_name = f'WHITE.png'
+		output_layer = os.path.join(self.output, layer_name)
+		cv2.imwrite(output_layer, mask)
+		self.layers.append({
+			'layer' : output_layer,
+			'color' : white,
+			'space' : self.pallete_space
+		})
+
 		for i in range(self.n_colors) :
 			if list_match(self.original_colors[i], white) :
 				continue
@@ -114,3 +127,19 @@ class Posterize:
 	def match_color_name (self, key) :
 		return self.colors_dict[f'{key[0]},{key[1]},{key[2]}']
 
+	def ratio (self) :
+		sanity_check = 0
+		for layer in self.layers :
+			if 'WHITE.png' in layer['layer'] :
+				continue
+			l = cv2.imread(layer['layer'], 0)
+			(h, w) = l.shape[:2]
+			total = h * w
+			black = total - cv2.countNonZero(l)
+			ratio = black/total
+			max_particles = round(ratio * self.max_particles)
+			print(layer['layer'])
+			print(max_particles)
+
+
+