def whitelist(text):
cleaned = ''
for c in text:
#prevent XSS just in case <> is added to LED characters. DO NOT REMOVE.
if c in LEDCharacters.allowedChars() and c != '>' and c != '<':
cleaned += c
return cleaned
def next(self):
if self.index == len(self.str):
return None
#shift columns to the left
i, j = 0, 0
for i in range(self.WIDTH - 1):
for j in range(self.HEIGHT):
self.matrix[i][j] = self.matrix[i + 1][j]
#get the new right-most column
currentChar = LEDCharacters.getCharacter(self.str[self.index], self.WIDTH, self.HEIGHT)
#extract the new column at the specified index
if self.charIndex == len(currentChar[0]):
newColumn = [0]*self.HEIGHT; #spacer
else:
newColumn = [currentChar[i][self.charIndex] for i in range(self.HEIGHT)]
self.charIndex += 1
for i in range(self.HEIGHT):
self.matrix[self.WIDTH-1][i] = newColumn[i]
#if we've passed the width of the character, move to the next letter
if self.charIndex > len(currentChar[0]):
self.index += 1
self.charIndex = 0
return self.index
def whitelist(text):
cleaned = ''
for c in text:
#prevent XSS just in case <> is added to LED characters. DO NOT REMOVE.
if c in LEDCharacters.allowedChars() and c != '>' and c != '<':
cleaned += c
return cleaned
def test():
allowedChars = LEDCharacters.allowedChars()
test = MatrixScroller(allowedChars, 6, 6)
for i in range(len(allowedChars)*10):
test.next()
print 'all tests OK'
test = MatrixScroller('A', 6, 6)
msr = MatrixScrollRepeater(2, test)
for i in range(20):
msr.next()
print msr.getMatrix()
test = MatrixScroller('....', 6, 6)
test.next()
test.next()
test.next()
test.next()
test.next()
print test #.getArduinoMatrix()
print test.getArduinoList()