sysml_frame.py

import Image, ImageDraw, ImageFont
import clipboard

# Simple script to create SysML frame around the image

# Define non-configurable options here
H_TEXT_OFFSET = 20 
V_TEXT_OFFSET = 20
H_CUT_OUT = 20
V_CUT_OUT = 20



def draw_frame(img, txt, border=10, fontsize=20):
	# Draw frame on img with border width=border (default width is 10 px)	
	# Get image size
	try:
		(width, height) = img.size
	except AttributeError:
		print 'No image in the clipboard.'
		sys.exit()

	draw = ImageDraw.Draw(img)
	# Draw frame around image
	draw.rectangle([(border, border), (width-border, height-border)], 
	               outline='#000000')
	               
	# Configure font               
	font = ImageFont.truetype("Verdana", fontsize)
	# Compute sizes
	(tw, th) = draw.textsize(txt, font)
	draw.text((border + H_TEXT_OFFSET, border + V_TEXT_OFFSET), 
	          txt, 
	          font=font, fill='#000000')
	# Cutout width          
	fw = tw + 2*V_TEXT_OFFSET
	fh = th + 2*H_TEXT_OFFSET

	# Make outline arounf the text
	draw.polygon([(border, border), (border, fh + border), 
	              (fw - V_CUT_OUT + border, fh + border), 
	              (fw + border, fh - H_CUT_OUT + border),
	              (fw + border, 0 + border)], 
	              outline='#000000')
	
	# Create a new image object for the output image
	f_img = Image.new("RGBA", (width, height), (0,0,0,0))
	del draw
 
    # Paste the cropped image onto the new image
	f_img.paste(img, (0, 0))
 
	return f_img
	
def main():
	# Run everything
	img = clipboard.get_image()
	txt = raw_input('Enter title: ')
	f_img = draw_frame(img, txt, fontsize=20)
	f_img.show()
	
if __name__ == '__main__':
	main()