Python framebuf.FrameBuffer() Examples

The following are 13 code examples of framebuf.FrameBuffer(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module framebuf , or try the search function .
Example #1
Source File: max7219.py    From micropython-max7219 with MIT License 7 votes vote down vote up 
def __init__(self, spi, cs, num):
        """
        Driver for cascading MAX7219 8x8 LED matrices.

        >>> import max7219
        >>> from machine import Pin, SPI
        >>> spi = SPI(1)
        >>> display = max7219.Matrix8x8(spi, Pin('X5'), 4)
        >>> display.text('1234',0,0,1)
        >>> display.show()

        """
        self.spi = spi
        self.cs = cs
        self.cs.init(cs.OUT, True)
        self.buffer = bytearray(8 * num)
        self.num = num
        fb = framebuf.FrameBuffer(self.buffer, 8 * num, 8, framebuf.MONO_HLSB)
        self.framebuf = fb
        # Provide methods for accessing FrameBuffer graphics primitives. This is a workround
        # because inheritance from a native class is currently unsupported.
        # http://docs.micropython.org/en/latest/pyboard/library/framebuf.html
        self.fill = fb.fill  # (col)
        self.pixel = fb.pixel # (x, y[, c])
        self.hline = fb.hline  # (x, y, w, col)
        self.vline = fb.vline  # (x, y, h, col)
        self.line = fb.line  # (x1, y1, x2, y2, col)
        self.rect = fb.rect  # (x, y, w, h, col)
        self.fill_rect = fb.fill_rect  # (x, y, w, h, col)
        self.text = fb.text  # (string, x, y, col=1)
        self.scroll = fb.scroll  # (dx, dy)
        self.blit = fb.blit  # (fbuf, x, y[, key])
        self.init()
Example #2
Source File: ssd1306.py    From SX127x_driver_for_MicroPython_on_ESP8266 with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, width, height, external_vcc):
        self.width = width
        self.height = height
        self.external_vcc = external_vcc
        self.pages = self.height // 8
        self.buffer = bytearray(self.pages * self.width)
        fb = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.MONO_VLSB)
        self.framebuf = fb
        # Provide methods for accessing FrameBuffer graphics primitives. This is a
        # workround because inheritance from a native class is currently unsupported.
        # http://docs.micropython.org/en/latest/pyboard/library/framebuf.html
        self.fill = fb.fill
        self.pixel = fb.pixel
        self.hline = fb.hline
        self.vline = fb.vline
        self.line = fb.line
        self.rect = fb.rect
        self.fill_rect = fb.fill_rect
        self.text = fb.text
        self.scroll = fb.scroll
        self.blit = fb.blit
        self.poweron()
        self.init_display()
Example #3
Source File: ssd1306.py    From SX127x_driver_for_MicroPython_on_ESP8266 with GNU General Public License v3.0 6 votes vote down vote up 
def __init__(self, width, height, external_vcc):
        self.width = width
        self.height = height
        self.external_vcc = external_vcc
        self.pages = self.height // 8
        self.buffer = bytearray(self.pages * self.width)
        fb = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.MONO_VLSB)
        self.framebuf = fb
        # Provide methods for accessing FrameBuffer graphics primitives. This is a
        # workround because inheritance from a native class is currently unsupported.
        # http://docs.micropython.org/en/latest/pyboard/library/framebuf.html
        self.fill = fb.fill
        self.pixel = fb.pixel
        self.hline = fb.hline
        self.vline = fb.vline
        self.line = fb.line
        self.rect = fb.rect
        self.fill_rect = fb.fill_rect
        self.text = fb.text
        self.scroll = fb.scroll
        self.blit = fb.blit
        self.poweron()
        self.init_display()
Example #4
Source File: writer_minimal.py    From micropython-font-to-py with MIT License 6 votes vote down vote up 
def _printchar(self, char, invert=False):
        if char == '\n':
            self._newline()
            return
        glyph, char_height, char_width = self.font.get_ch(char)
        if Writer.text_row + char_height > self.screenheight:
            if Writer.row_clip:
                return
            self._newline()
        if Writer.text_col + char_width > self.screenwidth:
            if Writer.col_clip:
                return
            else:
                self._newline()
        buf = bytearray(glyph)
        if invert:
            for i, v in enumerate(buf):
                buf[i] = 0xFF & ~ v
        fbc = framebuf.FrameBuffer(buf, char_width, char_height, self.map)
        self.device.blit(fbc, Writer.text_col, Writer.text_row)
        Writer.text_col += char_width
Example #5
Source File: writer.py    From micropython-font-to-py with MIT License 6 votes vote down vote up 
def _printchar(self, char, invert=False, recurse=False):
        s = self._getstate()
        self._get_char(char, recurse)
        if self.glyph is None:
            return  # All done
        buf = bytearray(self.glyph)
        if invert:
            for i, v in enumerate(buf):
                buf[i] = 0xFF & ~ v
        fbc = framebuf.FrameBuffer(buf, self.char_width, self.char_height, self.map)
        self.device.blit(fbc, s.text_col, s.text_row)
        s.text_col += self.char_width
        self.cpos += 1
Example #6
Source File: nanogui.py    From micropython-nano-gui with MIT License 6 votes vote down vote up 
def refresh(device, clear=False):
    if not isinstance(device, framebuf.FrameBuffer):
        raise ValueError('Device must be derived from FrameBuffer.')
    if device not in DObject.devices:
        DObject.devices[device] = set()
        device.fill(0)
    else:
        if clear:
            DObject.devices[device].clear()  # Clear the pending set
            device.fill(0)
        else:
            for obj in DObject.devices[device]:
                obj.show()
            DObject.devices[device].clear()
    device.show()

# Displayable object: effectively an ABC for all GUI objects.
Example #7
Source File: rgb_text.py    From micropython-adafruit-rgb-display with MIT License 6 votes vote down vote up 
def text(display, text, x=0, y=0, color=0xffff, background=0x0000):
    x = min(display.width - 1, max(0, x))
    y = min(display.height - 1, max(0, y))
    w = display.width - x
    h = min(display.height - y, 8)
    buffer = bytearray(display.width * h * 2)
    fb = framebuf.FrameBuffer(buffer, w, h, framebuf.RGB565)
    for line in text.split('\n'):
        fb.fill(background)
        fb.text(line, 0, 0, color)
        display.blit_buffer(buffer, x, y, w, h)
        y += 8;
        if y >= display.height:
            break
Example #8
Source File: ili934xnew.py    From micropython-ili9341 with MIT License 6 votes vote down vote up 
def chars(self, str, x, y):
        str_w  = self._font.get_width(str)
        div, rem = divmod(self._font.height(),8)
        nbytes = div+1 if rem else div
        buf = bytearray(str_w * nbytes)
        pos = 0
        for ch in str:
            glyph, char_w = self._font.get_ch(ch)
            for row in range(nbytes):
                index = row*str_w + pos
                for i in range(char_w):
                    buf[index+i] = glyph[nbytes*i+row]
            pos += char_w
        fb = framebuf.FrameBuffer(buf,str_w, self._font.height(), framebuf.MONO_VLSB)
        self.blit(fb,x,y,str_w,self._font.height())
        return x+str_w
Example #9
Source File: ili934xnew.py    From uPySensors with Apache License 2.0 6 votes vote down vote up 
def chars(self, str, x, y):
        str_w  = self._font.get_width(str)
        div, rem = divmod(self._font.height(),8)
        nbytes = div+1 if rem else div
        buf = bytearray(str_w * nbytes)
        pos = 0
        for ch in str:
            glyph, char_w = self._font.get_ch(ch)
            for row in range(nbytes):
                index = row*str_w + pos
                for i in range(char_w):
                    buf[index+i] = glyph[nbytes*i+row]
            pos += char_w
        fb = framebuf.FrameBuffer(buf,str_w, self._font.height(), framebuf.MONO_VLSB)
        self.blit(fb,x,y,str_w,self._font.height())
        return x+str_w
Example #10
Source File: ssd1306.py    From uPySensors with Apache License 2.0 6 votes vote down vote up 
def __init__(self, width, height, external_vcc):
        self.width = width
        self.height = height
        self.external_vcc = external_vcc
        self.pages = self.height // 8
        self.buffer = bytearray(self.pages * self.width)
        fb = framebuf.FrameBuffer(self.buffer, self.width, self.height, framebuf.MONO_VLSB)
        self.framebuf = fb
        # Provide methods for accessing FrameBuffer graphics primitives. This is a
        # workround because inheritance from a native class is currently unsupported.
        # http://docs.micropython.org/en/latest/pyboard/library/framebuf.html
        self.fill = fb.fill
        self.pixel = fb.pixel
        self.hline = fb.hline
        self.vline = fb.vline
        self.line = fb.line
        self.rect = fb.rect
        self.fill_rect = fb.fill_rect
        self.text = fb.text
        self.scroll = fb.scroll
        self.blit = fb.blit
        self.poweron()
        self.init_display()
Example #11
Source File: ht16k33_matrix.py    From micropython-adafruit-ht16k33 with MIT License 5 votes vote down vote up 
def __init__(self, i2c, address=0x70):
        super().__init__(i2c, address)

        self._fb_buffer = bytearray(self.WIDTH * self.HEIGHT
                                    * self.FB_BPP // 8)
        self.framebuffer = framebuf.FrameBuffer(
            self._fb_buffer, self.WIDTH, self.HEIGHT, self.FORMAT)

        self.framebuffer.fill(0)
        self.pixel = self.framebuffer.pixel
        self.fill = self.framebuffer.fill
Example #12
Source File: writer.py    From micropython-font-to-py with MIT License 5 votes vote down vote up 
def _get_id(device):
    if not isinstance(device, framebuf.FrameBuffer):
        raise ValueError('Device must be derived from FrameBuffer.')
    return id(device)

# Basic Writer class for monochrome displays
Example #13
Source File: pcd8544.py    From micropython-pcd8544 with MIT License 5 votes vote down vote up 
def __init__(self, spi, cs, dc, rst=None):
		super().__init__(spi, cs, dc, rst)
		self.buf = bytearray((HEIGHT // 8) * WIDTH)
		self.fbuf = framebuf.FrameBuffer(self.buf, WIDTH, HEIGHT, framebuf.MONO_VLSB)