def setForeground(self):
foregroundFile = QFileDialog.getOpenFileName(
self,
Krita.krita_i18n("Select foreground image"),
filter=Krita.krita_i18n("Images (*.png *.xpm *.jpg)"))[0]
self.foregroundImage.load(foregroundFile)
writeTag("custom-preview-fg", foregroundFile)
self.refresh()
print("Custom Preview: Foreground set to " + foregroundFile)
def setBackground(self):
backgroundFile = QFileDialog.getOpenFileName(
self,
Krita.krita_i18n("Select background image"),
filter=Krita.krita_i18n("Images (*.png *.xpm *.jpg)"))[0]
self.backgroundImage.load(backgroundFile)
writeTag("custom-preview-bg", backgroundFile)
self.refresh()
print("Custom Preview: Background set to " + backgroundFile)
def __init__(self):
super().__init__()
self.setWindowTitle(Krita.krita_i18n("Custom Preview"))
self.foregroundImage = QImage()
self.backgroundImage = QImage()
layout = QVBoxLayout()
layout.setAlignment(Qt.AlignCenter)
# PREVIEW
self.previewContainer = QWidget()
layout.addWidget(self.previewContainer)
self.previewContainer.setContentsMargins(0, 0, 0, 0)
previewContainerLayout = QHBoxLayout()
previewContainerLayout.setContentsMargins(0, 0, 0, 0)
previewContainerLayout.setSpacing(0)
self.previewContainer.setLayout(previewContainerLayout)
self.scrollArea = QScrollArea()
previewContainerLayout.addWidget(self.scrollArea)
self.scrollArea.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.scrollArea.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.scrollArea.setWidgetResizable(True)
self.scrollArea.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
self.previewLabel = QLabel()
self.scrollArea.setWidget(self.previewLabel)
# BUTTONS
self.buttonLayout = QHBoxLayout()
layout.addLayout(self.buttonLayout)
self.buttonLayout.setAlignment(Qt.AlignLeft)
setForegroundAtn = QAction(self)
setForegroundAtn.setIconText("Set foreground")
setForegroundAtn.setIcon(KI.icon("object-order-front-calligra"))
setForegroundAtn.triggered.connect(self.setForeground)
setForegroundBtn = QToolButton()
setForegroundBtn.setDefaultAction(setForegroundAtn)
self.buttonLayout.addWidget(setForegroundBtn)
setBackgroundAtn = QAction(self)
setBackgroundAtn.setIconText(Krita.krita_i18n("Set background"))
setBackgroundAtn.setIcon(KI.icon("object-order-back-calligra"))
setBackgroundAtn.triggered.connect(self.setBackground)
setBackgroundBtn = QToolButton()
setBackgroundBtn.setDefaultAction(setBackgroundAtn)
self.buttonLayout.addWidget(setBackgroundBtn)
removeAtn = QAction(self)
removeAtn.setIconText(
Krita.krita_i18n("Remove foreground and background"))
removeAtn.setIcon(KI.icon("list-remove"))
removeAtn.triggered.connect(self.removeForegroundAndBackground)
removeBtn = QToolButton()
removeBtn.setDefaultAction(removeAtn)
self.buttonLayout.addWidget(removeBtn)
self.zoomComboBox = QComboBox(self)
self.zoomComboBox.addItem(
"Auto fit", lambda w, h:
(self.previewContainer.contentsRect().width() - self.scrollArea
.contentsMargins().top() * 2, self.previewContainer.contentsRect(
).height() - self.scrollArea.contentsMargins().top() * 2))
for scale in [0.5, 1, 2, 4]:
self.zoomComboBox.addItem("{:d}%".format(int(100 * scale)),
lambda w, h, scale=scale:
(w * scale, h * scale))
self.buttonLayout.addWidget(self.zoomComboBox)
mainWidget = QWidget(self)
mainWidget.setLayout(layout)
self.setWidget(mainWidget)
self.startTimer(500) # refresh twice a second