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import numpy
from PIL import Image, ImageDraw
from ..libcomponent import BaseComponent
from ..toolkit.frame import BlankFrame, FloodFrame
from ..toolkit.visualizer import createSpectrumArray
class Component(BaseComponent):
name = "Classic Visualizer"
version = "1.2.0"
def names(*args):
return ["Original"]
def properties(self):
props = ["pcm"]
if self.invert:
props.append("composite")
return props
def widget(self, *args):
self.scale = 20
self.bars = 63
self.y = 0
super().widget(*args)
self.page.comboBox_visLayout.addItem("Classic")
self.page.comboBox_visLayout.addItem("Split")
self.page.comboBox_visLayout.addItem("Bottom")
self.page.comboBox_visLayout.addItem("Top")
self.page.comboBox_visLayout.setCurrentIndex(0)
self.trackWidgets(
{
"visColor": self.page.lineEdit_visColor,
"layout": self.page.comboBox_visLayout,
"scale": self.page.spinBox_scale,
"y": self.page.spinBox_y,
"smooth": self.page.spinBox_sensitivity,
"bars": self.page.spinBox_bars,
"invert": self.page.checkBox_invert,
},
colorWidgets={
"visColor": self.page.pushButton_visColor,
},
relativeWidgets=[
"y",
],
)
def previewRender(self, frame=None):
spectrum = numpy.fromfunction(
lambda x: float(self.scale) / 2500 * (x - 128) ** 2,
(255,),
dtype="int16",
)
return self.drawBars(
self.width,
self.height,
spectrum,
self.visColor,
self.layout,
frame,
)
def preFrameRender(self, **kwargs):
super().preFrameRender(**kwargs)
smoothConstantDown = 0.08 if not self.smooth else self.smooth / 15
smoothConstantUp = 0.8 if not self.smooth else self.smooth / 15
self.spectrumArray = createSpectrumArray(
self,
self.completeAudioArray,
self.sampleSize,
smoothConstantDown,
smoothConstantUp,
self.scale,
self.progressBarUpdate,
self.progressBarSetText,
)
def frameRender(self, frameNo, frame=None):
arrayNo = frameNo * self.sampleSize
return self.drawBars(
self.width,
self.height,
self.spectrumArray[arrayNo],
self.visColor,
self.layout,
frame,
)
def drawBars(self, width, height, spectrum, color, layout, frame):
bigYCoord = height - height / 8
smallYCoord = height / 1200
bigXCoord = width / (self.bars + 1)
middleXCoord = bigXCoord / 2
smallXCoord = bigXCoord / 4
imTop = BlankFrame(width, height)
draw = ImageDraw.Draw(imTop)
r, g, b = color
color2 = (r, g, b, 125)
for i in range(self.bars):
# draw outline behind rectangles if not inverted
if frame is None:
x0 = middleXCoord + i * bigXCoord
y0 = bigYCoord + smallXCoord
x1 = middleXCoord + i * bigXCoord + bigXCoord
y1 = (
bigYCoord
+ smallXCoord
- spectrum[i * 4] * smallYCoord
- middleXCoord
)
selection = (
x0,
y0 if y0 < y1 else y1,
x1 if x1 > x0 else x0,
y1 if y0 < y1 else y0,
)
draw.rectangle(
selection,
fill=color2,
)
x0 = middleXCoord + smallXCoord + i * bigXCoord
y0 = bigYCoord
x1 = middleXCoord + smallXCoord + i * bigXCoord + middleXCoord
y1 = bigYCoord - spectrum[i * 4] * smallYCoord
selection = (
x0,
y0 if y0 < y1 else y1,
x1 if x1 > x0 else x0,
y1 if y0 < y1 else y0,
)
# fill rectangle if not inverted
draw.rectangle(
selection,
fill=color if frame is None else (0, 0, 0, 0),
outline=color,
width=int(x1 - x0),
)
imBottom = imTop.transpose(Image.Transpose.FLIP_TOP_BOTTOM)
im = BlankFrame(width, height)
if layout == 0: # Classic
y = self.y - int(height / 100 * 43)
im.paste(imTop, (0, y), mask=imTop)
y = self.y + int(height / 100 * 43)
im.paste(imBottom, (0, y), mask=imBottom)
if layout == 1: # Split
y = self.y + int(height / 100 * 10)
im.paste(imTop, (0, y), mask=imTop)
y = self.y - int(height / 100 * 10)
im.paste(imBottom, (0, y), mask=imBottom)
if layout == 2: # Bottom
y = self.y + int(height / 100 * 10)
im.paste(imTop, (0, y), mask=imTop)
if layout == 3: # Top
y = self.y - int(height / 100 * 10)
im.paste(imBottom, (0, y), mask=imBottom)
if frame is None:
return im
f = FloodFrame(width, height, color)
f.paste(frame, (0, 0), mask=im)
return f
def command(self, arg):
if "=" in arg:
key, arg = arg.split("=", 1)
try:
if key == "color":
self.page.lineEdit_visColor.setText(arg)
return
elif key == "layout":
if arg == "classic":
self.page.comboBox_visLayout.setCurrentIndex(0)
elif arg == "split":
self.page.comboBox_visLayout.setCurrentIndex(1)
elif arg == "bottom":
self.page.comboBox_visLayout.setCurrentIndex(2)
elif arg == "top":
self.page.comboBox_visLayout.setCurrentIndex(3)
return
elif key == "scale":
arg = int(arg)
self.page.spinBox_scale.setValue(arg)
return
elif key == "y":
arg = int(arg)
self.page.spinBox_y.setValue(arg)
return
except ValueError:
print("You must enter a number.")
quit(1)
super().command(arg)
def commandHelp(self):
print("Give a layout name:\n layout=[classic/split/bottom/top]")
print("Specify a color:\n color=255,255,255")
print("Visualizer scale (20 is default):\n scale=number")
print("Y position:\n y=number")
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