chutney/character_display.py

# There are 4 different types of patterns used when generating
# a number that is to be placed in a rectangle 3X5 pixels. Combinations of these
# are used to create a number pattern such as:
#   * * *
#   *
#   * * *
#   *   *
#   * * *

# 1) * * * Full Row
# 2) *   * Both Sides
# 3)     * Right Side
# 4) *     Left Side


class CharacterDisplay:

    def __init__(self, unicorn):
        self.unicorn = unicorn

    def fullLine(self, start, row):
        for x in range(max(start, 0), start+3):
            self.unicorn.set_pixel(x, row, 255, 0, 0)

    def bothSides(self, start, row):
        if (start >= 0):
            self.unicorn.set_pixel(start, row, 255, 0, 0)

        self.unicorn.set_pixel(start+2, row, 255, 0, 0)

    def leftSide(self, start, row):
        if (start >= 0):
            self.unicorn.set_pixel(start, row, 255, 0, 0)

    def rightSide(self, start, row):
        self.unicorn.set_pixel(start+2, row, 255, 0, 0)

    def displayZero(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.bothSides(x, y-1)
        self.bothSides(x, y-2)
        self.bothSides(x, y-3)
        self.fullLine(x, y-4)

    def displayOne(self, x, y):
        self.clearNumberPixels(x, y)
        self.rightSide(x, y)
        self.rightSide(x, y-1)
        self.rightSide(x, y-2)
        self.rightSide(x, y-3)
        self.rightSide(x, y-4)

    def displayTwo(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.rightSide(x, y-1)
        self.fullLine(x, y-2)
        self.leftSide(x, y-3)
        self.fullLine(x, y-4)

    def displayThree(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.rightSide(x, y-1)
        self.fullLine(x, y-2)
        self.rightSide(x, y-3)
        self.fullLine(x, y-4)

    def displayFour(self, x, y):
        self.clearNumberPixels(x, y)
        self.bothSides(x, y)
        self.bothSides(x, y-1)
        self.fullLine(x, y-2)
        self.rightSide(x, y-3)
        self.rightSide(x, y-4)

    def displayFive(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.leftSide(x, y-1)
        self.fullLine(x, y-2)
        self.rightSide(x, y-3)
        self.fullLine(x, y-4)

    def displaySix(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.leftSide(x, y-1)
        self.fullLine(x, y-2)
        self.bothSides(x, y-3)
        self.fullLine(x, y-4)

    def displaySeven(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.rightSide(x, y-1)
        self.rightSide(x, y-2)
        self.rightSide(x, y-3)
        self.rightSide(x, y-4)

    def displayEight(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.bothSides(x, y-1)
        self.fullLine(x, y-2)
        self.bothSides(x, y-3)
        self.fullLine(x, y-4)

    def displayNine(self, x, y):
        self.clearNumberPixels(x, y)
        self.fullLine(x, y)
        self.bothSides(x, y-1)
        self.fullLine(x, y-2)
        self.rightSide(x, y-3)
        self.fullLine(x, y-4)

    def displayNumber(self, x, y, number):
        if number == 0:
            self.displayZero(x, y)
        elif number == 1:
            self.displayOne(x, y)
        elif number == 2:
            self.displayTwo(x, y)
        elif number == 3:
            self.displayThree(x, y)
        elif number == 4:
            self.displayFour(x, y)
        elif number == 5:
            self.displayFive(x, y)
        elif number == 6:
            self.displaySix(x, y)
        elif number == 7:
            self.displaySeven(x, y)
        elif number == 8:
            self.displayEight(x, y)
        elif number == 9:
            self.displayNine(x, y)

        self.unicorn.show()

    def clearNumberPixels(self, x, y):
        for y1 in range(y, y-5, -1):
            for x1 in range(max(x, 0), x+3):
                self.unicorn.set_pixel(x1, y1, 0, 0, 0)

        self.unicorn.show()

    def displayTimeDots(self, x, y):
        self.unicorn.set_pixel(x, y-1, 255, 0, 0)
        self.unicorn.set_pixel(x, y-3, 255, 0, 0)
        self.unicorn.show()