Added scrolltext generator

scrolltext.py

@@ -0,0 +1,83 @@
+#!/usr/bin/python3
+
+import sys
+import colorsys
+import blup.animation
+import blup.frame
+import writebml
+import random
+import argparse
+from PIL import Image, ImageDraw, ImageFont
+
+def create_image(text):
+    font = ImageFont.load('8x13-ISO8859-1.pil')
+    w, h = font.getsize(text)
+
+    img = Image.new('RGB', (w+2*22, 16))
+    draw = ImageDraw.Draw(img)
+    draw.text((22, (16-h)//2), text, font=font)
+
+    return img
+
+def create_scrolltext(text, delay, color):
+    img = create_image(text)
+
+    w, h = img.size
+
+    dim = blup.frame.FrameDimension(22, 16, 256, 3)
+    anim = blup.animation.Animation(dim)
+    for c in range(w-dim.size()[0]):
+        frame = blup.animation.AnimationFrame(dim, delay)
+        for x in range(dim.size()[0]):
+            for y in range(dim.size()[1]):
+                pixcol = img.getpixel((x+c, y))
+                pixcol = (pixcol[0]*color[0],
+                          pixcol[1]*color[1],
+                          pixcol[2]*color[2])
+                frame.setPixel(x, y, pixcol)
+        anim.addFrame(frame)
+
+    return anim
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Generate scrolltext BML files')
+    parser.add_argument('-d', '--delay', type=int, default=100)
+    parser.add_argument('-c', '--color', default='#ffffff')
+    parser.add_argument('output_file')
+    parser.add_argument('text')
+
+    args = parser.parse_args()
+    if args.color.startswith('#'):
+        args.color = args.color[1:]
+    r = int(args.color[0:2], 16)/255
+    g = int(args.color[2:4], 16)/255
+    b = int(args.color[4:6], 16)/255
+    col = (r, g, b)
+
+    anim = create_scrolltext(args.text, args.delay, col)
+    writebml.writeBml(anim, 'scrolltext.bml')
+
+'''
+num = 10
+horiz = True
+delay = 100
+for i in range(num):
+    newcolor = getRandomColor(dim.depth - 1)
+    horiz = not horiz
+    if horiz:
+        for x in range(dim.size()[0]):
+            newframe = blup.animation.AnimationFrame(dim, delay)
+            for y in range(dim.size()[1]):
+                newframe.setPixel(x, y, newcolor)
+            newanim.addFrame(newframe)
+    else:
+        for y in range(dim.size()[1]):
+            newframe = blup.animation.AnimationFrame(dim, delay)
+            for x in range(dim.size()[0]):
+                newframe.setPixel(x, y, newcolor)
+            newanim.addFrame(newframe)
+
+
+
+writebml.writeBml(newanim, '/tmp/colorwischer.bml')
+'''