Can someone tell me what to do (or what I need to get) to get this program
to work properly?
When I run the code(straight out of the book), I get this:
Traceback (most recent call last):
File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 107, in <module>
main()
File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 102, in main
myLabel = showStats(drawColor, lineWidth)
File "/Users/kevinhayes/Desktop/code/ch05/paint.py", line 67, in showStats
myFont = pygame.font.SysFont("None", 20)
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py",
line 555, in SysFont
initsysfonts()
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py",
line 522, in initsysfonts
fonts = initsysfonts_darwin()
File
"/Library/Frameworks/Python.framework/Versions/2.5/lib/python2.5/site-packages/pygame/sysfont.py",
line 422, in initsysfonts_darwin
_search_osx_font_paths(fonts)
UnboundLocalError: local variable 'fonts' referenced before assignment
********************************
here is the code:
""" paint.py
a simple paint program"""
import pygame
def checkKeys(myData):
"""test for various keyboard inputs"""
#extract the data
(event, background, drawColor, lineWidth, keepGoing) = myData
#print myData
if event.key == pygame.K_q:
#quit
keepGoing = False
elif event.key == pygame.K_c:
#clear screen
background.fill((255, 255, 255))
elif event.key == pygame.K_s:
#save picture
pygame.image.save(background, "painting.bmp")
elif event.key == pygame.K_l:
#load picture
background = pygame.image.load("painting.bmp")
elif event.key == pygame.K_r:
#red
drawColor = (255, 0, 0)
elif event.key == pygame.K_g:
#green
drawColor = (0, 255, 0)
elif event.key == pygame.K_w:
#white
drawColor = (255, 255, 255)
elif event.key == pygame.K_b:
#blue
drawColor = (0, 0, 255)
elif event.key == pygame.K_k:
#black
drawColor = (0, 0, 0)
#line widths
elif event.key == pygame.K_1:
lineWidth = 1
elif event.key == pygame.K_2:
lineWidth = 2
elif event.key == pygame.K_3:
lineWidth = 3
elif event.key == pygame.K_4:
lineWidth = 4
elif event.key == pygame.K_5:
lineWidth = 5
elif event.key == pygame.K_6:
lineWidth = 6
elif event.key == pygame.K_7:
lineWidth = 7
elif event.key == pygame.K_8:
lineWidth = 8
elif event.key == pygame.K_9:
lineWidth = 9
#return all values
myData = (event, background, drawColor, lineWidth, keepGoing)
return myData
def showStats(drawColor, lineWidth):
""" shows the current statistics """
myFont = pygame.font.SysFont("None", 20)
stats = "color: %s, width: %d" % (drawColor, lineWidth)
statSurf = myFont.render(stats, 1, (drawColor))
return statSurf
def main():
pygame.init()
screen = pygame.display.set_mode((640, 480))
pygame.display.set_caption("Paint: (r)ed, (g)reen, (b)lue, (w)hite,
blac(k), (1-9) width, (c)lear, (s)ave, (l)oad, (q)uit")
background = pygame.Surface(screen.get_size())
background.fill((255, 255, 255))
clock = pygame.time.Clock()
keepGoing = True
lineStart = (0, 0)
drawColor = (0, 0, 0)
lineWidth = 3
while keepGoing:
clock.tick(30)
for event in pygame.event.get():
if event.type == pygame.QUIT:
keepGoing = False
elif event.type == pygame.MOUSEMOTION:
lineEnd = pygame.mouse.get_pos()
if pygame.mouse.get_pressed() == (1, 0, 0):
pygame.draw.line(background, drawColor, lineStart,
lineEnd, lineWidth)
lineStart = lineEnd
elif event.type == pygame.KEYDOWN:
myData = (event, background, drawColor, lineWidth,
keepGoing)
myData = checkKeys(myData)
(event, background, drawColor, lineWidth, keepGoing) =
myData
screen.blit(background, (0, 0))
myLabel = showStats(drawColor, lineWidth)
screen.blit(myLabel, (450, 450))
pygame.display.flip()
if __name__ == "__main__":
main()
***********************************************************************************
I'm using python 2.5 and pygame-1.9.1release-py2.5 on Mac osx 10.4.11...any
help would be appreciated. Thanks. Kevin
