from types import * from ui.Font import Font from ui.UIText import UIText from managers.FontManager import * fontMgr = FontManager() # make the font aFont = fontMgr.loadFont( 'JohnDoe' ) bFont = fontMgr.loadFont( 'JohnDoe' ) print type(aFont) # make the text object from the font aUIText = UIText( value="abcdefghi6789", font=aFont, size=20, pos=[0,0] ) aUIText.setFont( bFont )
class UIText(UIObject):
def __init__( self, value="", pos=[0,0], font=None, scale=10):
"""
Init: (self, value="", pos=[0,0], font=None, scale=10)
"""
UIObject.__init__(self)
self.setsMgr = None
self.pos = pos
self.value = value
# string or font object
self.setFont( font )
self.setScale(scale)
self.fontMgr = None
self.renderList = []
def render( self, scrScroll=(0,0) ):
"""
This is the function called by the screen on all renderable objects.
"""
if not self.visible:
return []
# compile a list for each letter to be rendered
# ( id, texClipBox, pos, quadBox )
# if nothing has changed in this object(as would be indicated
# by this list being empty) use the previous render list
# (this list is reset in "Set" accessors)
if len(self.renderList) > 0:
return self.renderList
id = self.font.getTexID()
# the area covered by the string will depend on the length and scale
self.calcSize()
# adjust the pos by screen scroll
pos = (self.pos[0]-scrScroll[0], self.pos[1]-scrScroll[1])
if self.centerAround:
pos = (pos[0]-self.size[0]/2, pos[1]-self.size[1]/2)
# init to the left pos of first letter
horizPos = pos[0]
# loop over all of letters in the text string
for character in self.value:
# build a renderList-item that represents all that is needed
# to put all or part of a texture into a quad of particular
# size at some spot on the screen.
self.renderList.append (\
(id
, self.font.getCharBox(character)
, (horizPos, pos[1]
, horizPos+self.scale[0]
, pos[1]+self.scale[1])))
horizPos = horizPos + self.scale[0]
return self.renderList
def calcSize( self ):
"""
This function calculates the area of this object
"""
self.size = [ len(self.value)*self.scale[0], self.scale[1] ]
self.halfSize = [self.size[0]/2, self.size[1]/2 ]
return self.size
def getText( self ):
"""
returns the value of the string
"""
return self.value
def setText( self, value="" ):
"""
Set the contents of this text object
"""
# ...
self.value = value
# clear this so it must be rebuilt
self.renderList = []
# calculate the size
self.calcSize()
def pop( self ):
"""
Takes a letter off of the end of the value string
"""
self.value = self.value[0:-1]
# clear this so it must be rebuilt
self.renderList = []
def push( self, str ):
"""
Puts the input string at the end of the value string
"""
self.value += str
# clear the renderList
self.renderList = []
def setFont( self, font=None ):
"""
Set the font in which to render this text
"""
if not font:
return
elif isinstance( font, types.StringType ):
# get the font manager if we haven't already
if not self.fontMgr:
self.fontMgr = FontManager()
# load the font into memory
self.font = self.fontMgr.loadFont( font )
elif isinstance( font, Font ):
self.font = font
# clear the letter render list so that it will be rebuilt
self.renderList = []
def setPos( self, pos=(0,0) ):
UIObject.setPos(self, pos)
# clear the letter render list so that it will be rebuilt
self.renderList = []
def setScale( self, factor=0.01 ):
if not self.setsMgr:
self.setsMgr = SettingsManager()
res = self.setsMgr.screenRes
self.scale = [res[0]*factor, res[1]*factor]
# clear the letter render list so that it will be rebuilt
self.renderList = []
