class SogalText(NodePath):
'''
A text label, contains many TextLines
'''
def __init__(self,
parent = None,
pos = (0,0,0),
text = u'',
wordwrap = None,
maxRows = None,
spacing = 0,
lineSpacing = 0,
minLineHeight = 0.5,
font = None,
fg = (1,1,1,1),
scale = 0.07,
shadow = None,
shadowOffset = (0.04, 0.04),
textScale = None,
):
'''
Constructor
:param parent: parent NodePath
:param text: text
:param font: font of the text
:param wordwrap: set the width when wraping the word (note that )
:param maxRows: max row of the text
:param spacing: spacing of words
:param lineSpacing: spacing of lines
:param minLineHeight: height of a line when it is empty
:param fg: foreground color
:param scale: scale of the text
:param shadow: shadow color of the text
:param shadowOffset: shadow offset of the text
'''
self.destroyed = False
self.__parent = parent or aspect2d
self.__lerpLock = Lock()
self.__font = font
self.__currentLerpInterval = None
self.wordwrap = wordwrap
self.lines = []
self.spacing = spacing
self.lineSpacing = lineSpacing
self.minLineHeight = minLineHeight
self.maxRows = maxRows
self.recordedText = [] #recorder text sections used in backup
NodePath.__init__(self,'')
self.setScale(scale)
self.setPos(pos)
self.currentHeight = 0
self.reparentTo(self.__parent) # @UndefinedVariable
self.textMaker = TextNode('textMaker')
if font:
self.setFont(font, specNode = None)
if fg:
self.setFg(fg, specNode = None)
if shadow:
self.setShadow(shadow, shadowOffset, specNode = None)
if textScale:
self.setTexScale(textScale,specNode = None)
self.textMaker.setAlign(TextNode.ALeft)
if shadow:
pass
if text:
self.appendText(text)
def destroy(self):
if self.__currentLerpInterval:
self.__currentLerpInterval.pause()
self.clear()
if not self.destroyed:
self.destroyed = True
self.textMaker = None
self.recordedText = None
self.removeNode()
def clear(self):
if self.__currentLerpInterval:
self.__currentLerpInterval.pause()
self.currentHeight = 0
for tl in self.lines:
tl.removeNode()
self.lines = []
self.recordedText = []
def setFg(self, fg, specNode = None):
node = specNode or self.textMaker
node.setTextColor(fg[0], fg[1], fg[2], fg[3])
def setFont(self,font, specNode = None):
node = specNode or self.textMaker
node.setFont(font)
def setShadow(self, shadow, offset = (0.04, 0.04), specNode = None):
node = specNode or self.textMaker
if shadow[3] != 0:
node.setShadowColor(shadow[0], shadow[1], shadow[2], shadow[3])
node.setShadow(offset)
else:
node.clearShadow()
def setTextScale(self, scale , specNode = None):
node = specNode or self.textMaker
node.setTextScale(scale)
def setMaxRows(self,maxrows):
self.maxRows = maxrows
def setWordwrap(self,wordwrap):
self.wordwrap = wordwrap
def setMinLineHeight(self,minLineHeight):
self.minLineHeight = minLineHeight
def appendText(self, text,speed = 0, fadein = 0, fadeinType = 0, newLine = False,
custom = False, font = None, textScale = 1, fg = (1,1,1,1),
shadow = None, shadowOffset = (0.04, 0.04), **kwargs):
textprops = dict(text = text,newLine = newLine, custom = custom, font = font, textScale = textScale, fg = fg,
shadow = shadow, shadowOffset = shadowOffset, **kwargs)
self.recordedText.append(textprops)
self.appendStoredText(textprops, speed, fadein, fadeinType)
def appendStoredText(self,textprops, speed = 0, fadein = 0, fadeinType = 0):
#append a text stored with appendText() or by loading self.recordedText
text = textprops['text']
newLine = textprops['newLine']
custom = textprops['custom']
if custom:
textMaker = TextNode('temptextmaker', self.textMaker)
font = textprops['font']
if font:
textMaker.setFont(font)
textScale = textprops['textScale']
if textScale:
textMaker.setTextScale(textScale)
fg = textprops['fg']
if fg:
self.setFg(fg, textMaker)
shadow = textprops['shadow']
shadowOffset = textprops['shadowOffset']
if shadow:
self.setShadow(shadow, shadowOffset, textMaker)
#prepared to add more props here
else: textMaker = self.textMaker
if newLine or not self.lines:
self.startLine()
if not speed:
for word in text:
self.appendWord(word, tm = textMaker, fadein = fadein, fadeinType = fadeinType)
#TYPER EFFECT
else:
self.__TextLerpInit()
self.__currentLerpInterval = LerpFunc(self._appendTextLerpFunc,extraArgs = [text,textMaker,fadein,fadeinType],
duration = len(text)/float(speed))
self.__currentLerpInterval.start()
def __TextLerpInit(self):
if self.__currentLerpInterval:
self.__currentLerpInterval.finish()
self.__lerpLock.acquire()
self.__lastTextLerpValue = 0
self.__lerpLock.release()
def _appendTextLerpFunc(self, lerp, text, tm, fadein, fadeinType):
'''The function interval method for typer effect'''
self.__lerpLock.acquire()
tlen = len(text)
start = int(math.floor(self.__lastTextLerpValue * tlen))
end = int(math.floor(lerp * tlen))
if end > start:
appendingText = text[start:end]
for word in appendingText:
self.appendWord(word, tm, fadein = fadein, fadeinType = fadeinType)
self.__lastTextLerpValue = lerp
self.__lerpLock.release()
def isWaiting(self):
if self.__currentLerpInterval:
return self.__currentLerpInterval.isPlaying()
return False
def quickFinish(self):
if self.__currentLerpInterval:
return self.__currentLerpInterval.finish()
for l in self.lines:
l.quickFinish()
def appendWord(self,word,tm = None, fadein = 0, fadeinType = 0):
if word == '\n':
self.startLine()
return
textMaker = tm or self.textMaker
if not self.lines:
self.startLine()
active_line = self.lines[-1]
unicodeText = isinstance(word, types.UnicodeType)
if unicodeText:
textMaker.setWtext(word)
else:
textMaker.setText(word)
width = textMaker.getWidth()
height = textMaker.getHeight()
node = textMaker.generate()
textpath = NodePath('text_path')
textpath.attachNewNode(node)
if self.wordwrap:
if active_line.getTotalWidth() + width > self.wordwrap:
self.startLine()
active_line = self.lines[-1]
active_line.append(textpath, width, height,self.spacing, fadein = fadein, fadeinType = fadeinType)
active_line.setPos(0,0,-(self.currentHeight + active_line.getLineHeight()) )
def startLine(self):
if self.lines:
self.currentHeight += self.lines[-1].getLineHeight() + self.lineSpacing
line = TextLine(parent = self, height = self.minLineHeight)
line.setPos(0,0,-self.currentHeight)
self.lines.append(line)
def removeNode(self, *args, **kwargs):
return NodePath.removeNode(self, *args, **kwargs)
def getCurrentText(self):
return self.recordedText
def getCopiedText(self):
return copy.deepcopy(self.recordedText)
def loadRecordedText(self,recorded):
for section in recorded:
self.appendStoredText(section)
self.recordedText = copy.copy(recorded)
def getNewText(self):
if self.recordedText:
return self.recordedText[0]['text']
return ''
def getEndPos(self):
if self.lines:
return (self.lines[-1].getEndPos()[0],0 , -(self.currentHeight + self.lines[-1].getLineHeight()))
else: return (0,0,0)
def hasContent(self):
"get if this text label empty"
return bool(self.lines)
