From 807f764071507f42169ee5d7fbc7004ee06b0de8 Mon Sep 17 00:00:00 2001
From: Nekot94 <nekomato9@gmail.com>
Date: Tue, 6 Sep 2016 13:41:46 +0300
Subject: [PATCH] Create limit_brightness.py

---
 .../limit_brightness.py"                      | 45 +++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 "\320\243\321\200\320\276\320\272\320\270/1/\320\272\320\276\320\264/limit_brightness.py"

diff --git "a/\320\243\321\200\320\276\320\272\320\270/1/\320\272\320\276\320\264/limit_brightness.py" "b/\320\243\321\200\320\276\320\272\320\270/1/\320\272\320\276\320\264/limit_brightness.py"
new file mode 100644
index 0000000..cdd6546
--- /dev/null
+++ "b/\320\243\321\200\320\276\320\272\320\270/1/\320\272\320\276\320\264/limit_brightness.py"
@@ -0,0 +1,45 @@
+#Грубая иммитация фотошоп кривой
+from  PIL import Image
+from random import randrange
+
+def constrain(val, min_val, max_val):
+    return min(max_val, max(min_val, val))
+
+
+im = Image.open("CFancy.jpg")
+im2 = Image.open("CFancy.jpg")
+pixels = im.load()
+pixels2 = im2.load()
+x, y = im.size
+
+bX, bY= [], []
+
+
+print("Введите колличество точек:")
+n = int(input())
+for i in range(n):
+	bX.append(int(input("Точка {} яркость: ".format(i+1))))
+	bY.append(int(input("Точка {} предел: ".format(i+1))))
+	bY[i] = constrain(bY[i],0,255)
+
+
+
+
+for i in range(x):  
+    for j in range(y):
+
+        r, g, b = pixels[i, j]
+
+        br = round(0.3*r + 0.5*g + 0.11*b)
+        for k in range(n):
+        	#меняем яркость пикселя если она ниже значения точки. Для последующих точек проверяем диапазоны
+	        if (br < bY[k] and k == 0) or (br < max(bY[k],bY[k-1]) and br > min(bY[k],bY[k-1])):
+	       		r, g, b = r + bX[k], g + bX[k], b + bX[k] 
+	        	r = constrain(r,0,255)
+	        	g = constrain(g,0,255)
+	        	b = constrain(b,0,255)
+
+        pixels[i, j] = r, g, b
+
+im.save("CFancy2.jpg")       
+im.show()