Version 0.1 2012/06/21

cfontmanager.py

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+import pygame
+from pygame.locals import *
+
+class cFontManager:
+    '''
+    A simple class used to manage Font objects and provide a simple way to use
+    them to draw text on any surface.
+ 
+    Directly import this file to use the class, or run this file from the
+    command line to see a trivial sample.
+ 
+    Written by Scott O. Nelson  
+    '''
+    def __init__(self, listOfFontNamesAndSizesAsTuple):
+        '''
+        Pass in a tuple of 2-item tuples.  Each 2-item tuple is a fontname / 
+        size pair. To use the default font, pass in a None for the font name.
+        Font objects are created for each of the pairs and can then be used
+        to draw text with the Draw() method below.
+        
+        Ex: fontMgr = cFontManager(((None, 24), ('arial', 18), ('arial', 24),
+            ('courier', 12), ('papyrus', 50)))
+ 
+        TODO: add support for bold & italics
+        '''
+        self._fontDict = {}
+        for pair in listOfFontNamesAndSizesAsTuple:
+            # assert len(pair) == 2, \
+                # "Pair must be composed of a font name and a size - ('arial', 24)"
+            if pair[0]:
+                fontFullFileName = pygame.font.match_font(pair[0])
+                # assert fontFullFileName,
+                    # 'Font: %s Size: %d is not available.' % pair
+            else:
+                fontFullFileName = None # use default font
+            self._fontDict[pair] = pygame.font.Font(fontFullFileName, pair[1])
+
+    def Draw(self, surface, fontName, size, text, rectOrPosToDrawTo, color,
+            alignHoriz='left', alignVert='top', antialias=False):
+        '''
+        Draw text with the given parameters on the given surface.
+        
+        surface - Surface to draw the text onto.
+        
+        fontName - Font name that identifies what font to use to draw the text.
+        This font name must have been specified in the cFontManager 
+        
+        rectOrPosToDrawTo - Where to render the text at.  This can be a 2
+        item tuple or a Rect.  If a position tuple is used, the align
+        arguments will be ignored.
+        
+        color - Color to draw the text with.
+        
+        alignHoriz - Specifies horizontal alignment of the text in the
+        rectOrPosToDrawTo Rect.  If rectOrPosToDrawTo is not a Rect, the
+        alignment is ignored.
+        
+        alignVert - Specifies vertical alignment of the text in the
+        rectOrPosToDrawTo Rect.  If rectOrPosToDrawTo is not a Rect, the
+        alignment is ignored.
+ 
+        antialias - Whether to draw the text anti-aliased or not.
+        '''
+        pair = (fontName, size)
+        # assert pair in self._fontDict, \
+            # 'Font: %s Size: %d is not available in cFontManager.' % pair
+        fontSurface = self._fontDict[(fontName, size)].render(text,
+            antialias, color)
+        if isinstance(rectOrPosToDrawTo, tuple):
+            surface.blit(fontSurface, rectOrPosToDrawTo)
+        elif isinstance(rectOrPosToDrawTo, pygame.Rect):
+            fontRect = fontSurface.get_rect()
+            # align horiz
+            if alignHoriz == 'center':
+                fontRect.centerx = rectOrPosToDrawTo.centerx
+            elif alignHoriz == 'right':
+                fontRect.right = rectOrPosToDrawTo.right
+            else:
+                fontRect.x = rectOrPosToDrawTo.x  # left
+            # align vert
+            if alignVert == 'center':
+                fontRect.centery = rectOrPosToDrawTo.centery
+            elif alignVert == 'bottom':
+                fontRect.bottom = rectOrPosToDrawTo.bottom
+            else:
+                fontRect.y = rectOrPosToDrawTo.y  # top
+
+            surface.blit(fontSurface, fontRect)
+
+def RunDemo():
+    '''A simple demo of the use of the cFontManager class'''
+    pygame.init()     
+    pygame.display.set_mode((640, 480))
+    screen = pygame.display.get_surface()
+    clock = pygame.time.Clock()
+
+    # a font of None means to use the default font
+    fontMgr = cFontManager(((None, 24), (None, 48), ('arial', 24)))
+
+    doQuit = False
+    while not doQuit:
+        clock.tick(60) # run at 60 fps
+        screen.fill((0, 0, 0))
+
+        white = (255, 255, 255)
+        gray = (64, 64, 64)
+        fontMgr.Draw(screen, None, 48, 'Default font, 48', (0, 50), white)
+        fontMgr.Draw(screen, None, 24, 'Default font, 24', (0, 0), white)
+
+        rect = pygame.Rect(0, 100, 640, 60)
+        pygame.draw.rect(screen, gray, rect)        
+        fontMgr.Draw(screen, 'arial', 24, 'Arial 24 top left', rect, white,
+            'left', 'top')
+        rect.top += 75
+
+        pygame.draw.rect(screen, gray, rect)        
+        fontMgr.Draw(screen, 'arial', 24, 'Arial 24 centered', rect, white,
+            'center', 'center')
+        rect.top += 75
+
+        pygame.draw.rect(screen, gray, rect)        
+        fontMgr.Draw(screen, 'arial', 24, 'Arial 24 bottom right', rect,
+            white, 'right', 'bottom')
+        rect.top += 75
+
+        pygame.draw.rect(screen, gray, rect)        
+        fontMgr.Draw(screen, 'arial', 24, 'Arial 24 left center, anti-aliased',
+            rect, white, 'left', 'center', True)
+        rect.top += 75
+
+        pygame.display.update()
+        if QUIT in [event.type for event in pygame.event.get()]:
+            doQuit = True
+    pygame.quit()
+
+if __name__ == '__main__':
+    # Execute the demo code if this file is run directly from the command line.
+    # Do not run demo if file is imported.
+    RunDemo()

setup.py

@@ -0,0 +1,28 @@
+"""
+This is a setup.py script generated by py2applet
+
+Usage:
+    python setup.py py2app
+"""
+
+from setuptools import setup
+import setuptools
+
+PACKAGES = []
+MODULES = ["pygame"]
+
+APP = ['snake.py']
+OPTIONS = {'argv_emulation': False,
+           'packages': PACKAGES ,
+           'includes' : MODULES }
+DATA_FILES = []
+DATA_FILES = ["data"]
+
+setup(
+    app=APP,
+    data_files=DATA_FILES,
+    packages = setuptools.find_packages(),
+    include_package_data=True,
+    options={'py2app': OPTIONS},
+    setup_requires=['py2app']
+)