add mixbox for python

python/examples/blender.py

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+import bpy
+import mixbox
+
+rgb1 = (0.0, 0.015, 0.235) # blue
+rgb2 = (0.973, 0.651, 0.0) # yellow
+
+n = 5
+for i in range(0, n):
+  bpy.ops.mesh.primitive_cube_add(location = ((i - n/2 + 0.5) * 3, 0, 0))
+  mat = bpy.data.materials.new("material")
+  mat.diffuse_color = mixbox.lerp_linear_float(rgb1, rgb2, i / (n - 1))
+  bpy.context.object.active_material = mat

python/examples/hello.py

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+import mixbox
+
+rgb1 = (0, 33, 133)  # blue
+rgb2 = (252, 211, 0) # yellow
+t = 0.5              # mixing ratio
+
+rgb_mix = mixbox.lerp(rgb1, rgb2, t)
+
+print(rgb_mix)

python/examples/npcv.py

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+import cv2
+import numpy as np
+import mixbox
+
+height = 256
+width = 256
+img = np.zeros((height, width, 3), np.uint8)
+
+rgb1 = (0, 33, 133)  # blue
+rgb2 = (252, 211, 0) # yellow
+
+for x in range(0, 256):
+	for y in range(0, 256):
+		img[x, y] = mixbox.lerp(rgb1, rgb2, x / 255.0)
+
+cv2.imshow("image", cv2.cvtColor(img, cv2.COLOR_RGB2BGR))
+cv2.waitKey(0)

python/examples/opengl.py

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+import pygame as pg
+from pygame.locals import *
+
+from OpenGL.GL import *
+from OpenGL.GLU import *
+
+import mixbox
+
+pg.init()
+pg.display.set_mode((640, 480), DOUBLEBUF | OPENGL)
+
+while True:
+  rgb1 = (0.0, 0.129, 0.522) # blue
+  rgb2 = (0.988, 0.827, 0.0) # yellow
+
+  n = 640
+  glBegin(GL_LINES)
+  for i in range(0, n+1):
+    glColor(mixbox.lerp_float(rgb1, rgb2, i / n))
+    glVertex((i / n)*2 - 1, -1)
+    glVertex((i / n)*2 - 1, +1)
+  glEnd()
+
+  pg.display.flip()
+
+  for event in pg.event.get():
+    if event.type == pg.QUIT:
+      pg.quit()
+      quit()

python/examples/pillow.py

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+from PIL import Image
+import mixbox
+
+rgb1 = (0, 33, 133)  # blue
+rgb2 = (252, 211, 0) # yellow
+
+img = Image.new('RGB', (256, 256))
+
+pixels = img.load()
+
+width,height = img.size
+for x in range(width):
+    for y in range(height):
+    	pixels[x, y] = mixbox.lerp(rgb1, rgb2, x / 256.0)
+
+img.show()