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"""a collection of text rendering functions
"""
def write(s,font,pos,color,text,border=1):
"""write text to a surface with a black border
<pre>write(s,font,pos,color,text,border=1)</pre>
"""
i = font.render(text,1,(0,0,0))
si = border
dirs = [(-1,-1),(-1,0),(-1,1),(0,-1),(0,1),(1,-1),(1,0),(1,1)]
for dx,dy in dirs: s.blit(i,(pos[0]+dx*si,pos[1]+dy*si))
i = font.render(text,1,color)
s.blit(i,pos)
def writec(s,font,color,text,border=1):
"""write centered text to a surface with a black border
<pre>writec(s,font,color,text,border=1)</pre>
"""
w,h = font.size(text)
x = (s.get_width()-w)/2
y = (s.get_height()-h)/2
write(s,font,(x,y),color,text,border)
def writepre(s,font,rect,color,text):
"""write preformatted text
<pre>writepre(s,font,rect,color,text)</pre>
"""
r,c,txt = rect,color,text
txt = txt.replace("\t"," ")
i = font.render(" ",1,c)
sw,sh = i.get_width(),i.get_height()
y = r.top
for sentence in txt.split("\n"):
x = r.left
i = font.render(sentence,1,c)
s.blit(i,(x,y))
y += sh
def writewrap(s,font,rect,color,text):
"""write wrapped text
<pre>writewrap(s,font,rect,color,text)</pre>
"""
r,c,txt = rect,color,text
txt = txt.replace("\t"," ")
i = font.render(" ",1,c)
sw,sh = i.get_width(),i.get_height()
y = r.top
for sentence in txt.split("\n"):
x = r.left
for word in sentence.split(" "):
i = font.render(word,1,c)
iw,ih = i.get_width(),i.get_height()
if x+iw > r.right: x,y = r.left,y+sh
s.blit(i,(x,y))
x += iw+sw
y += sh
# vim: set filetype=python sts=4 sw=4 noet si :
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