On Sep 23, 2010, at 6:41 AM, kevin hayes <
kevinosky@xxxxxxxxx> wrote:
> 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 = "">
> 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 = "">
> 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