1 files changed, 61 insertions, 0 deletions
diff --git a/pgu/text.py b/pgu/text.py
new file mode 100644
index 0000000..1010a87
--- /dev/null
+++ b/pgu/text.py
@@ -0,0 +1,61 @@
+"""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 :