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comparison pyntnclick/utils.py @ 824:9f542ef6e498 pyntnclick

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Reorganise code
author Neil Muller <neil@dip.sun.ac.za>
date Tue, 29 Jan 2013 11:41:03 +0200
parents pyntnclick/tools/utils.py@f4853f817a7a
children c5171ad0c3cd
comparison
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823:1bf088e7865b 824:9f542ef6e498
1 # Misc utils I don't know where else to put
2
3 import pygame
4 from pygame.locals import SRCALPHA
5 from pygame.surface import Surface
6
7
8 def list_scenes(scene_module, scene_list):
9 """List the scenes in the state"""
10 print "Available scenes and details:"
11 for scene in scene_list:
12 scenemod = __import__('%s.%s' % (scene_module, scene),
13 fromlist=[scene])
14 if scenemod.SCENES:
15 print " * %s" % scene
16 else:
17 print " * %s (details only)" % scene
18 for detailcls in getattr(scenemod, 'DETAIL_VIEWS', []):
19 print " - %s" % detailcls.NAME
20
21
22 def draw_rect_image(surface, color, rect, thickness):
23 """Draw a rectangle with lines thickness wide"""
24 # top
25 surface.fill(color, (rect.left, rect.top, rect.width, thickness))
26 # bottom
27 surface.fill(color, (rect.left, rect.bottom - thickness, rect.width,
28 thickness))
29 # left
30 surface.fill(color, (rect.left, rect.top, thickness, rect.height))
31 # right
32 surface.fill(color, (rect.right - thickness, rect.top, thickness,
33 rect.height))
34
35
36 def convert_color(color):
37 """Give me a pygame Color, dammit"""
38 if isinstance(color, pygame.Color):
39 return color
40 if isinstance(color, basestring):
41 return pygame.Color(color)
42 return pygame.Color(*color)
43
44
45 def render_text(text, fontname, font_size, color, bg_color, resource, size):
46 """Render the text so it will fit in the given size, reducing font
47 size as needed.
48
49 Note that this does not do any text wrapping."""
50 done = False
51 width, height = size
52 surface = Surface(size, SRCALPHA).convert_alpha()
53 surface.fill(bg_color)
54 while not done and font_size > 0:
55 # We bail at font_size 1 and just clip in that case, since we're
56 # out of good options
57 font = resource.get_font(fontname, font_size)
58 text_surf = font.render(text, True, color)
59 if (text_surf.get_width() > width or text_surf.get_height() > height):
60 font_size -= 1
61 else:
62 done = True
63 # Centre the text in the rect
64 x = max(0, (width - text_surf.get_width()) / 2)
65 y = max(0, (height - text_surf.get_height()) / 2)
66 surface.blit(text_surf, (x, y))
67 return surface