Add TKinter Visualizer Emulator(Slow but works)

pyleds/lib/strip/FakeStrip.py

@@ -0,0 +1,124 @@
+import atexit
+from lib.Color import Color
+
+
+class _LedData(object):
+
+    def __init__(self, channel, size):
+        self.size = size
+        self.channel = channel
+        self._led = {}
+        for i in range(size):
+            self._led[i] = 0
+
+    def __getitem__(self, pos):
+        """Return the 24-bit RGB color value at the provided position or slice
+        of positions.
+        """
+        # Handle if a slice of positions are passed in by grabbing all the values
+        # and returning them in a list.
+        if isinstance(pos, slice):
+            return [self._led[n] for n in range(*pos.indices(self.size))]
+        else:
+            return self._led[pos]
+
+    def __setitem__(self, pos, value):
+        """Set the 24-bit RGB color value at the provided position or slice of
+        positions.
+        """
+        # Handle if a slice of positions are passed in by setting the appropriate
+        # LED data values to the provided values.
+        if isinstance(pos, slice):
+            index = 0
+            for n in range(*pos.indices(self.size)):
+                self._led[n] = value[index]
+                index += 1
+            # Else assume the passed in value is a number to the position.
+        else:
+            self._led[pos] = value
+
+
+class FakeStrip(object):
+    _brightness: int
+
+    def __init__(self, num, pin, freq_hz=800000, dma=10, invert=False,
+                 brightness=255, channel=0, strip_type=None, gamma=None):
+
+        if gamma is None:
+            # Support gamma in place of strip_type for back-compat with
+            # previous version of forked library
+            if type(strip_type) is list and len(strip_type) == 256:
+                gamma = strip_type
+                # strip_type = None
+            else:
+                gamma = list(range(256))
+
+        # Initialize the channel in use
+        self._channel = None
+        self._gamma = gamma
+        self._brightness = brightness
+
+        # Grab the led data array.
+        self._led_data = _LedData(self._channel, num)
+
+        # Substitute for __del__, traps an exit condition and cleans up properly
+        atexit.register(self._cleanup)
+
+    def _cleanup(self):
+        # Clean up memory used by the library when not needed anymore.
+        if self._channel is not None:
+            self._channel = None
+
+    def setGamma(self, gamma):
+        if type(gamma) is list and len(gamma) == 256:
+            self._gamma = gamma
+
+    def begin(self):
+        """Initialize library, must be called once before other functions are called."""
+        return
+
+    def show(self):
+        """Update the display with the data from the LED buffer."""
+        return
+
+    def getBrightness(self) -> int:
+        return self._brightness
+
+    def setBrightness(self, brightness: int):
+        """Scale each LED in the buffer by the provided brightness.
+        A brightness of 0 is the darkest and 255 is the brightest.
+        """
+        self._brightness = brightness
+
+    def numPixels(self):
+        """Return the number of pixels in the display."""
+        return self._led_data.size
+
+    def setPixelColor(self, n, color):
+        """Set LED at position n to the provided 24-bit color value (in RGB order).
+        """
+        self._led_data[n] = color
+
+    def setPixelColorRGB(self, n, red, green, blue):
+        """Set LED at position n to the provided red, green, and blue color.
+        Each color component should be a value from 0 to 255 (where 0 is the
+        lowest intensity and 255 is the highest intensity).
+        """
+        self.setPixelColor(n, Color(red, green, blue))
+
+    def getPixels(self):
+        """Return an object which allows access to the LED display data as if
+        it were a sequence of 24-bit RGB values.
+        """
+        return self._led_data
+
+    def getPixelColor(self, n):
+        """Get the 24-bit RGB color value for the LED at position n."""
+        return self._led_data[n]
+
+    def getPixelColorRGB(self, n):
+        c = lambda: None
+        setattr(c, 'r', self._led_data[n] >> 16 & 0xff)
+        setattr(c, 'g', self._led_data[n] >> 8 & 0xff)
+        setattr(c, 'b', self._led_data[n] & 0xff)
+        return c

pyleds/lib/strip/TkinterStrip.py

@@ -0,0 +1,73 @@
+from threading import Thread
+from tkinter import Tk, Label
+from .FakeStrip import FakeStrip
+from lib.Color import Color_to_list
+from time import sleep
+import numpy as np
+from PIL import Image, ImageTk
+
+
+class Visualizer(Thread):
+
+    def __init__(self, x, y, multi):
+        Thread.__init__(self)
+        self.x, self.y = x, y
+        self.multi = multi
+        self.root = None
+        self.panel = None
+        self.first_loop = True
+        self.start()
+        sleep(0.04)
+
+    def run(self):
+        self.root = Tk()
+        self.root.title("RGB Visualizer")
+        self.panel = Label(self.root)
+        self.root.geometry(f'{int(self.x * self.multi)}x{int(self.y * self.multi)}')
+        self.panel.pack()
+        self.root.mainloop()
+
+    def print_image(self, frame):
+        self.panel.configure(image=frame)
+        self.panel.frame = frame
+
+
+class TkinterStrip(FakeStrip):
+
+    def __init__(self, num, pin, freq_hz=800000, dma=10, invert=False,
+                 brightness=255, channel=0, strip_type=None, gamma=None):
+        super().__init__(num, pin, freq_hz, dma, invert, brightness, channel, strip_type, gamma)
+        self.viz = Visualizer(95, 50, 6)
+        # self.ms = time() * 1000.0
+        self.show()
+
+    def show(self):
+        """Update the display with the data from the LED buffer."""
+        bp = [49, 99, 194, 244, 290]
+        x = self.viz.x
+        y = self.viz.y
+
+        data = np.zeros((y, x, 3), dtype=np.uint8)
+
+        for s in range(self.numPixels()):
+            x1 = y1 = 0
+            if s < 49:
+                x1 = x / 2 + s - 1
+            elif s < 99:
+                x1 = x - 1
+                y1 = (s - 49)
+            elif s < 194:
+                x1 = x + (99 - s) - 1
+                y1 = y - 1
+            elif s < 244:
+                y1 = y + (194 - s) - 1
+            elif s < 290:
+                x1 = s - 244
+            x1 = int(x1)
+            y1 = int(y1)
+            data[y1, x1] = Color_to_list(self.getPixelColor(s))
+        img = Image.fromarray(data, 'RGB').resize((int(self.viz.x * self.viz.multi), int(self.viz.y * self.viz.multi)))
+        self.viz.print_image(ImageTk.PhotoImage(img))
+        # ms = time() * 1000.0
+        # print(ms - self.ms)
+        # self.ms = ms

pyleds/lib/strip/WindowStrip.py

@@ -0,0 +1,79 @@
+from threading import Thread
+from tkinter import Tk, Canvas
+from lib.strip.FakeStrip import FakeStrip
+import time
+
+
+class Visualizer(Thread):
+
+    def __init__(self):
+        Thread.__init__(self)
+        self.x, self.y = 1000, 500
+        self.first_loop = True
+        self.start()
+        time.sleep(0.01)
+
+    def run(self):
+        self.root = Tk()
+        self.canvas = Canvas(self.root, width=self.x, height=self.y)
+        self.root.geometry(f'{self.x}x{self.y}')
+        self.canvas.grid()
+        self.root.mainloop()
+
+
+class WindowStrip(FakeStrip):
+
+    def __init__(self, num, pin, freq_hz=800000, dma=10, invert=False,
+                 brightness=255, channel=0, strip_type=None, gamma=None):
+        super().__init__(num, pin, freq_hz, dma, invert, brightness, channel, strip_type, gamma)
+        self.viz = Visualizer()
+        self.show()
+
+    def show(self):
+        """Update the display with the data from the LED buffer."""
+        size = 10.5
+        bp = [47, 97, 191, 242, 289]
+        x = self.viz.x
+        y = self.viz.y
+        first_loop = self.viz.first_loop
+
+        for s in range(self.numPixels()):
+            rgb_int = self.getPixelColor(s)
+            r = rgb_int & 255
+            g = (rgb_int >> 8) & 255
+            b = (rgb_int >> 16) & 255
+
+            if not first_loop:
+                self.viz.canvas.itemconfig(s + 1, fill="#%02x%02x%02x" % (r, g, b))
+            else:
+                x1 = 0
+                y1 = 0
+                x2 = 0
+                y2 = 0
+                if s < bp[0]:
+                    x1 = (x / 2) + s * size
+                    y1 = 0
+                    x2 = x1 + size
+                    y2 = size
+                elif s < bp[1]:
+                    x1 = x - size
+                    y1 = -(bp[0] - s) * size
+                    x2 = x1 + size
+                    y2 = y1 + size
+                elif s < bp[2]:
+                    x1 = x + (bp[1] - s) * size
+                    y1 = y
+                    x2 = x1 - size
+                    y2 = y1 - size
+                elif s < bp[3]:
+                    x1 = 0
+                    y1 = y + (bp[2] - s) * size
+                    x2 = x1 + size
+                    y2 = y1 - size
+                elif s < bp[4]:
+                    x1 = size * - (bp[3] - s)
+                    y1 = 0
+                    x2 = x1 + size
+                    y2 = y1 + size
+                self.viz.canvas.create_rectangle(x1, y1, x2, y2, fill="#%02x%02x%02x" % (r, g, b), outline="")
+        self.viz.first_loop = False