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pyaudviz/src/components/text.py

180 lines
6.6 KiB
Python

from PIL import Image, ImageDraw
from PyQt5.QtGui import QColor, QFont
from PyQt5 import QtGui, QtCore, QtWidgets
import os
from component import Component
from frame import FramePainter
class Component(Component):
'''Title Text'''
modified = QtCore.pyqtSignal(int, dict)
def __init__(self, *args):
super().__init__(*args)
self.titleFont = QFont()
def widget(self, parent):
self.parent = parent
self.settings = self.parent.core.settings
height = int(self.settings.value('outputHeight'))
width = int(self.settings.value('outputWidth'))
self.textColor = (255, 255, 255)
self.title = 'Text'
self.alignment = 1
self.fontSize = height / 13.5
fm = QtGui.QFontMetrics(self.titleFont)
self.xPosition = width / 2 - fm.width(self.title)/2
self.yPosition = height / 2 * 1.036
page = self.loadUi('text.ui')
page.comboBox_textAlign.addItem("Left")
page.comboBox_textAlign.addItem("Middle")
page.comboBox_textAlign.addItem("Right")
page.lineEdit_textColor.setText('%s,%s,%s' % self.textColor)
page.pushButton_textColor.clicked.connect(self.pickColor)
btnStyle = "QPushButton { background-color : %s; outline: none; }" \
% QColor(*self.textColor).name()
page.pushButton_textColor.setStyleSheet(btnStyle)
page.lineEdit_title.setText(self.title)
page.comboBox_textAlign.setCurrentIndex(int(self.alignment))
page.spinBox_fontSize.setValue(int(self.fontSize))
page.spinBox_xTextAlign.setValue(int(self.xPosition))
page.spinBox_yTextAlign.setValue(int(self.yPosition))
page.fontComboBox_titleFont.currentFontChanged.connect(self.update)
page.lineEdit_title.textChanged.connect(self.update)
page.comboBox_textAlign.currentIndexChanged.connect(self.update)
page.spinBox_xTextAlign.valueChanged.connect(self.update)
page.spinBox_yTextAlign.valueChanged.connect(self.update)
page.spinBox_fontSize.valueChanged.connect(self.update)
page.lineEdit_textColor.textChanged.connect(self.update)
self.page = page
return page
def update(self):
self.title = self.page.lineEdit_title.text()
self.alignment = self.page.comboBox_textAlign.currentIndex()
self.titleFont = self.page.fontComboBox_titleFont.currentFont()
self.fontSize = self.page.spinBox_fontSize.value()
self.xPosition = self.page.spinBox_xTextAlign.value()
self.yPosition = self.page.spinBox_yTextAlign.value()
self.textColor = self.RGBFromString(
self.page.lineEdit_textColor.text())
btnStyle = "QPushButton { background-color : %s; outline: none; }" \
% QColor(*self.textColor).name()
self.page.pushButton_textColor.setStyleSheet(btnStyle)
super().update()
def getXY(self):
'''Returns true x, y after considering alignment settings'''
fm = QtGui.QFontMetrics(self.titleFont)
if self.alignment == 0: # Left
x = int(self.xPosition)
if self.alignment == 1: # Middle
offset = int(fm.width(self.title)/2)
x = self.xPosition - offset
if self.alignment == 2: # Right
offset = fm.width(self.title)
x = self.xPosition - offset
return x, self.yPosition
def loadPreset(self, pr, presetName=None):
super().loadPreset(pr, presetName)
self.page.lineEdit_title.setText(pr['title'])
font = QFont()
font.fromString(pr['titleFont'])
self.page.fontComboBox_titleFont.setCurrentFont(font)
self.page.spinBox_fontSize.setValue(pr['fontSize'])
self.page.comboBox_textAlign.setCurrentIndex(pr['alignment'])
self.page.spinBox_xTextAlign.setValue(pr['xPosition'])
self.page.spinBox_yTextAlign.setValue(pr['yPosition'])
self.page.lineEdit_textColor.setText('%s,%s,%s' % pr['textColor'])
btnStyle = "QPushButton { background-color : %s; outline: none; }" \
% QColor(*pr['textColor']).name()
self.page.pushButton_textColor.setStyleSheet(btnStyle)
def savePreset(self):
return {
'preset': self.currentPreset,
'title': self.title,
'titleFont': self.titleFont.toString(),
'alignment': self.alignment,
'fontSize': self.fontSize,
'xPosition': self.xPosition,
'yPosition': self.yPosition,
'textColor': self.textColor
}
def previewRender(self, previewWorker):
width = int(self.settings.value('outputWidth'))
height = int(self.settings.value('outputHeight'))
return self.addText(width, height)
def properties(self):
props = ['static']
if not self.title:
props.append('error')
return props
def error(self):
return "No text provided."
def frameRender(self, layerNo, frameNo):
width = int(self.settings.value('outputWidth'))
height = int(self.settings.value('outputHeight'))
return self.addText(width, height)
def addText(self, width, height):
image = FramePainter(width, height)
self.titleFont.setPixelSize(self.fontSize)
image.setFont(self.titleFont)
image.setPen(self.textColor)
x, y = self.getXY()
image.drawText(x, y, self.title)
return image.finalize()
def pickColor(self):
RGBstring, btnStyle = super().pickColor()
if not RGBstring:
return
self.page.lineEdit_textColor.setText(RGBstring)
self.page.pushButton_textColor.setStyleSheet(btnStyle)
def commandHelp(self):
print('Enter a string to use as centred white text:')
print(' "title=User Error"')
print('Specify a text color:\n color=255,255,255')
print('Set custom x, y position:\n x=500 y=500')
def command(self, arg):
if not arg.startswith('preset=') and '=' in arg:
key, arg = arg.split('=', 1)
if key == 'color':
self.page.lineEdit_textColor.setText(arg)
return
elif key == 'size':
self.page.spinBox_fontSize.setValue(int(arg))
return
elif key == 'x':
self.page.spinBox_xTextAlign.setValue(int(arg))
return
elif key == 'y':
self.page.spinBox_yTextAlign.setValue(int(arg))
return
elif key == 'title':
self.page.lineEdit_title.setText(arg)
return
super().command(arg)