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from PIL import ImageEnhance, ImageFilter, ImageChops
from PyQt6.QtGui import QColor, QFont
from PyQt6 import QtGui, QtCore, QtWidgets
import os
import logging
from ..component import Component
from ..toolkit.frame import FramePainter, addShadow
log = logging.getLogger("AVP.Components.Text")
class Component(Component):
name = "Title Text"
version = "1.0.1"
def widget(self, *args):
super().widget(*args)
self.title = "Text"
self.alignment = 1
self.titleFont = QFont()
self.fontSize = self.height / 13.5
self.page.comboBox_textAlign.addItem("Left")
self.page.comboBox_textAlign.addItem("Middle")
self.page.comboBox_textAlign.addItem("Right")
self.page.comboBox_textAlign.setCurrentIndex(int(self.alignment))
self.page.spinBox_fontSize.setValue(int(self.fontSize))
self.page.pushButton_center.clicked.connect(self.centerXY)
self.page.fontComboBox_titleFont.currentFontChanged.connect(
self._sendUpdateSignal
)
# The QFontComboBox must be connected directly to the Qt Signal
# which triggers the preview to update.
# This unfortunately makes changing the font into a non-undoable action.
# Fix requires updating ComponentAction to handle fonts
self.trackWidgets(
{
"textColor": self.page.lineEdit_textColor,
"title": self.page.lineEdit_title,
"alignment": self.page.comboBox_textAlign,
"fontSize": self.page.spinBox_fontSize,
"xPosition": self.page.spinBox_xTextAlign,
"yPosition": self.page.spinBox_yTextAlign,
"fontStyle": self.page.comboBox_fontStyle,
"stroke": self.page.spinBox_stroke,
"strokeColor": self.page.lineEdit_strokeColor,
"shadow": self.page.checkBox_shadow,
"shadX": self.page.spinBox_shadX,
"shadY": self.page.spinBox_shadY,
"shadBlur": self.page.spinBox_shadBlur,
},
colorWidgets={
"textColor": self.page.pushButton_textColor,
"strokeColor": self.page.pushButton_strokeColor,
},
relativeWidgets=[
"xPosition",
"yPosition",
"fontSize",
"stroke",
"shadX",
"shadY",
"shadBlur",
],
)
self.centerXY()
def update(self):
self.titleFont = self.page.fontComboBox_titleFont.currentFont()
if self.page.checkBox_shadow.isChecked():
self.page.label_shadX.setHidden(False)
self.page.spinBox_shadX.setHidden(False)
self.page.spinBox_shadY.setHidden(False)
self.page.label_shadBlur.setHidden(False)
self.page.spinBox_shadBlur.setHidden(False)
else:
self.page.label_shadX.setHidden(True)
self.page.spinBox_shadX.setHidden(True)
self.page.spinBox_shadY.setHidden(True)
self.page.label_shadBlur.setHidden(True)
self.page.spinBox_shadBlur.setHidden(True)
def centerXY(self):
self.setRelativeWidget("xPosition", 0.5)
self.setRelativeWidget("yPosition", 0.521)
def getXY(self):
"""Returns true x, y after considering alignment settings"""
fm = QtGui.QFontMetrics(self.titleFont)
text_width = fm.boundingRect(self.title).width()
x = self.pixelValForAttr("xPosition")
if self.alignment == 1: # Middle
offset = int(text_width / 2)
elif self.alignment == 2: # Right
offset = text_width
else:
raise ValueError(f"Alignment value {self.alignment} unknown")
x -= offset
return x, self.yPosition
def loadPreset(self, pr, *args):
super().loadPreset(pr, *args)
font = QFont()
font.fromString(pr["titleFont"])
self.page.fontComboBox_titleFont.setCurrentFont(font)
def savePreset(self):
saveValueStore = super().savePreset()
saveValueStore["titleFont"] = self.titleFont.toString()
return saveValueStore
def previewRender(self):
return self.addText(self.width, self.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, frameNo):
return self.addText(self.width, self.height)
def addText(self, width, height):
font = self.titleFont
font.setPixelSize(self.fontSize)
font.setStyle(QFont.Style.StyleNormal)
font.setWeight(QFont.Weight.Normal)
font.setCapitalization(QFont.Capitalization.MixedCase)
if self.fontStyle == 1:
font.setWeight(QFont.Weight.DemiBold)
if self.fontStyle == 2:
font.setWeight(QFont.Weight.Bold)
elif self.fontStyle == 3:
font.setStyle(QFont.Style.StyleItalic)
elif self.fontStyle == 4:
font.setWeight(QFont.Weight.Bold)
font.setStyle(QFont.Style.StyleItalic)
elif self.fontStyle == 5:
font.setStyle(QFont.Style.StyleOblique)
elif self.fontStyle == 6:
font.setCapitalization(QFont.Capitalization.SmallCaps)
image = FramePainter(width, height)
x, y = self.getXY()
log.debug("Text position translates to %s, %s", x, y)
if self.stroke > 0:
outliner = QtGui.QPainterPathStroker()
outliner.setWidth(self.stroke)
path = QtGui.QPainterPath()
if self.fontStyle == 6:
# PathStroker ignores smallcaps so we need this weird hack
path.addText(x, y, font, self.title[0])
fm = QtGui.QFontMetrics(font)
newX = x + fm.boundingRect(self.title[0]).width()
strokeFont = self.page.fontComboBox_titleFont.currentFont()
strokeFont.setCapitalization(QFont.Capitalization.SmallCaps)
strokeFont.setPixelSize(int((self.fontSize / 7) * 5))
strokeFont.setLetterSpacing(QFont.SpacingType.PercentageSpacing, 139)
path.addText(newX, y, strokeFont, self.title[1:])
else:
path.addText(x, y, font, self.title)
path = outliner.createStroke(path)
image.setPen(QtCore.Qt.PenStyle.NoPen)
image.setBrush(QtGui.QColor(*self.strokeColor))
image.drawPath(path)
image.setFont(font)
image.setPen(self.textColor)
image.drawText(x, y, self.title)
# turn QImage into Pillow frame
frame = image.finalize()
if self.shadow:
frame = addShadow(frame, self.shadBlur / 10, self.shadX, self.shadY)
return frame
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 "=" 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)
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