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+from krita import DockWidget
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+from PyQt5.QtWidgets import QWidget, QDialog, QVBoxLayout, QHBoxLayout, QLabel, QComboBox, QPushButton
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+from PyQt5.QtCore import QByteArray
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+
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+DOCKER_TITLE = 'Button Shy PNP Expander'
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+
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+class BsPnpExpander(DockWidget):
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+
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+ def __init__(self):
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+ super().__init__()
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+ self.setWindowTitle(DOCKER_TITLE)
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+ widget = QWidget()
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+ layout = QVBoxLayout()
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+ widget.setLayout(layout)
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+
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+ layout.addSpacing(10)
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+ layout.addWidget(QLabel('Expand the Button Shy 6-card PNP layout to 8-cards'))
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+
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+ # Expand Direction. Do we put the 2 new cards on the left or right?
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+ self.expandDir = QComboBox()
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+ dirs = ['Right', 'Left']
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+ self.expandDir.addItems(dirs)
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+ row0 = QHBoxLayout()
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+ row0.addWidget(QLabel('Expand Direction:'))
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+ row0.addWidget(self.expandDir)
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+ layout.addLayout(row0)
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+
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+ # Button (Shy)!
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+ layout.addSpacing(20)
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+ goButton = QPushButton("Expand")
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+ goButton.setIcon( Krita.instance().icon('animation_play') )
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+ layout.addWidget(goButton)
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+
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+ # Add a stretch to prevent the rest of the content from stretching.
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+ layout.addStretch()
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+
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+ # Add widget to the docker.
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+ self.setWidget(widget)
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+
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+ # Hook up the action to the button.
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+ goButton.clicked.connect( self.expandBsPnp )
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+
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+
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+ # notifies when views are added or removed
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+ # 'pass' means do not do anything
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+ def canvasChanged(self, canvas):
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+ pass
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+
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+
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+ ##########
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+ # Slots
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+ ##########
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+
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+ # Actually expands the PNP.
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+ def expandBsPnp(self, e):
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+
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+ # dialog = QDialog()
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+ # dialog.setWindowTitle("DEBUG")
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+ # layout = QVBoxLayout()
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+ # dialog.setLayout(layout)
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+
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+ # Get the current layer.
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+ doc = Krita.instance().activeDocument()
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+ layer = doc.activeNode()
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+ if layer.type() != 'paintlayer':
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+ dialog = QDialog()
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+ dialog.setWindowTitle("Paint Layer Required")
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+ layout = QVBoxLayout()
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+ layout.addWidget(QLabel('Expander only works on paint layers. Please select one.'))
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+ dialog.setLayout(layout)
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+ dialog.exec_()
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+ return
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+
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+ direction = self.expandDir.currentText()
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+ layerPos = layer.position()
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+
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+ # Move layer 411 pixels left or right
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+ xDiff = 411 if direction == 'Left' else -411
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+ layer.move(layerPos.x() + xDiff, layerPos.y())
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+
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+ # Fill in empty document area with white
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+ overlapHCrop = 341 # x-offset to overwrite old horizontal crop marks.
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+ whitePixel = b'\xff\xff\xff\xff'
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+ bds = layer.bounds()
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+ fillX = 0 if direction == 'Left' else bds.right() - overlapHCrop
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+ fillY = 0
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+ fillWidth = bds.left() + overlapHCrop if direction == 'Left' else doc.width() - fillX
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+ fillHeight = doc.height()
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+ whiteFill = QByteArray(whitePixel * fillWidth * fillHeight)
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+ layer.setPixelData(whiteFill, fillX, fillY, fillWidth, fillHeight)
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+
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+ # Create horizontal cropmarks at image edges.
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+ # positions 106 1153 1228 2276. 61px long.
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+ blackPixel = b'\x00\x00\x00\xff'
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+ cropMarkWidth = 61
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+ cropMarkHeight = 2
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+ cropMark = QByteArray(blackPixel * cropMarkWidth * cropMarkHeight)
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+ ySet = [106, 1153, 1228, 2276]
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+ for x in [0, doc.width() - cropMarkWidth]:
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+ for y in ySet:
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+ layer.setPixelData(cropMark, x, y, cropMarkWidth, cropMarkHeight)
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+
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+ # Create vertical cropmarks for new card spaces
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+ # positions 96 848 2562 3314. 37px long.
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+ cropMarkWidth = 2
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+ cropMarkHeight = 37
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+ cropMark = QByteArray(blackPixel * cropMarkWidth * cropMarkHeight)
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+ xSet = [96, 868] if direction == 'Left' else [2562, 3314]
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+ for y in [0, doc.height() - cropMarkHeight]:
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+ for x in xSet:
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+ layer.setPixelData(cropMark, x, y, cropMarkWidth, cropMarkHeight)
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+
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+ # Place guides on crop marks for new card spaces
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+ vList = doc.verticalGuides()
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+ hList = doc.horizontalGuides()
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+ vList.clear()
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+ hList.clear()
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+ for x in xSet:
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+ vList.append(x + 1)
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+ for y in ySet:
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+ hList.append(y + 1)
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+ doc.setVerticalGuides(vList)
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+ doc.setHorizontalGuides(hList)
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+ doc.setGuidesLocked(True)
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+ doc.setGuidesVisible(True)
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+
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+ # Refresh the view, or the moved will not be immediately reflected.
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+ doc.refreshProjection()
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