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''' Title Text '''
from PIL import Image, ImageDraw
from PyQt4.QtGui import QPainter, QColor, QFont
from PyQt4 import uic, QtGui, QtCore
from PIL.ImageQt import ImageQt
import os, io
class Component:
def __str__(self):
return __doc__
def widget(self, parent):
height = int(parent.settings.value('outputHeight'))
width = int(parent.settings.value('outputWidth'))
self.parent = parent
self.textColor = (255,255,255)
self.title = 'Text'
self.titleFont = None
self.alignment = 1
self.fontSize = height / 16
self.xPosition = width / 2
self.yPosition = height / 2
page = uic.loadUi(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'text.ui'))
page.comboBox_textAlign.addItem("Left")
page.comboBox_textAlign.addItem("Middle")
page.comboBox_textAlign.addItem("Right")
page.comboBox_textAlign.setCurrentIndex(1)
page.spinBox_fontSize.setValue(int(int(parent.settings.value("outputHeight")) / 14 ))
page.spinBox_xTextAlign.setValue(int(int(parent.settings.value('outputWidth'))/2))
page.spinBox_yTextAlign.setValue(int(int(parent.settings.value('outputHeight'))/2))
page.lineEdit_textColor.setText('%s,%s,%s' % self.textColor)
page.pushButton_textColor.clicked.connect(lambda: self.pickColor())
btnStyle = "QPushButton { background-color : %s; outline: none; }" % QColor(*self.textColor).name()
page.pushButton_textColor.setStyleSheet(btnStyle)
page.lineEdit_title.setText(self.title)
if not self.titleFont == None:
page.fontComboBox_titleFont.setCurrentFont(QFont(self.titleFont))
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 version(self):
return 1
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 = RGBFromString(self.page.lineEdit_textColor.text())
fm = QtGui.QFontMetrics(self.titleFont)
if self.alignment == 0: #Left
self.xPosition = self.xPosition
if self.alignment == 1: #Middle
self.xPosition = self.xPosition - fm.width(self.title)/2
if self.alignment == 2: #Right
self.xPosition = self.xPosition - fm.width(self.title)
self.parent.drawPreview()
def savePreset(self):
return {}
def previewRender(self, previewWorker):
width = int(previewWorker.core.settings.value('outputWidth'))
height = int(previewWorker.core.settings.value('outputHeight'))
return self.addText(width, height)
def preFrameRender(self, **kwargs):
for kwarg, value in kwargs.items():
exec('self.%s = value' % kwarg)
return ['static']
def frameRender(self, moduleNo, frameNo):
width = int(self.worker.core.settings.value('outputWidth'))
height = int(self.worker.core.settings.value('outputHeight'))
return self.addText(width, height)
def addText(self, width, height):
im = Image.new("RGBA", (width, height),(0,0,0,0))
image = ImageQt(im)
image1 = QtGui.QImage(image)
painter = QPainter(image1)
self.titleFont.setPixelSize(self.fontSize)
painter.setFont(self.titleFont)
painter.setPen(QColor(*self.textColor))
fm = QtGui.QFontMetrics(self.titleFont)
painter.drawText(self.xPosition, self.yPosition, self.title)
painter.end()
buffer = QtCore.QBuffer()
buffer.open(QtCore.QIODevice.ReadWrite)
image1.save(buffer, "PNG")
strio = io.BytesIO()
strio.write(buffer.data())
buffer.close()
strio.seek(0)
return Image.open(strio)
def pickColor(self):
color = QtGui.QColorDialog.getColor()
if color.isValid():
RGBstring = '%s,%s,%s' % (str(color.red()), str(color.green()), str(color.blue()))
btnStyle = "QPushButton { background-color : %s; outline: none; }" % color.name()
self.page.lineEdit_textColor.setText(RGBstring)
self.page.pushButton_textColor.setStyleSheet(btnStyle)
def RGBFromString(string):
''' turns an RGB string like "255, 255, 255" into a tuple '''
try:
tup = tuple([int(i) for i in string.split(',')])
if len(tup) != 3:
raise ValueError
for i in tup:
if i > 255 or i < 0:
raise ValueError
return tup
except:
return (255, 255, 255)
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