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Add function to convert font size to char width

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This commit is contained in:
Matthew Grove
2024-05-17 00:48:13 +01:00
parent ffe842b69f
commit 1a96ed6ed5
1 changed files with 9 additions and 9 deletions
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18
font.py
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@@ -284,26 +284,26 @@ def character(lcd,asc,xt,yt,sz,r,g,b): # Single character sz is size: 1 or 2
lcd.pixel(ii*sz+xt+2,yy*sz+yt+1,cc) lcd.pixel(ii*sz+xt+2,yy*sz+yt+1,cc)
def prnt_st(lcd,asci,xx,yy,sz,r,g,b): # Text string def prnt_st(lcd,asci,xx,yy,sz,r,g,b): # Text string
if sz == 1: move = 6 move = sz_to_w(sz)
if sz == 2: move = 11
if sz == 3: move = 17
for letter in(asci): for letter in(asci):
asci = ord(letter) asci = ord(letter)
character(lcd,asci,xx,yy,sz,r,g,b) character(lcd,asci,xx,yy,sz,r,g,b)
xx = xx + move xx = xx + move
def cntr_st(lcd,width,txt,y,size,r,g,b,o=0): # Centres text on line y, skipping first o pixels def cntr_st(lcd,width,txt,y,size,r,g,b,o=0): # Centres text on line y, skipping first o pixels
if size == 1: w = 6 w = sz_to_w(size)
if size == 2: w = 11
if size == 3: w = 17
gap = (width - len(txt) * w)//2 + o gap = (width - len(txt) * w)//2 + o
prnt_st(lcd,txt,gap,y,size,r,g,b) prnt_st(lcd,txt,gap,y,size,r,g,b)
def rght_st(lcd,asci,xx,yy,sz,r,g,b): def rght_st(lcd,asci,xx,yy,sz,r,g,b):
if sz == 1: w = 6 w = sz_to_w(sz)
if sz == 2: w = 11
if sz == 3: w = 17
xo = xx - len(asci) * w xo = xx - len(asci) * w
prnt_st(lcd,asci,xo,yy,sz,r,g,b) prnt_st(lcd,asci,xo,yy,sz,r,g,b)
# =========== End of font support routines =========== # =========== End of font support routines ===========
def sz_to_w(sz: int) -> int:
if (sz == 1): return 6
if (sz == 2): return 11
if (sz == 3): return 17
return 6