class QLayerView(QTableView):
"""
Display the stack of image layers.
"""
def __init__(self, parent):
super().__init__(parent)
self.img = None
# graphic form to show : it
# should correspond to the currently selected layer
self.currentWin = None
# mouse click event
self.clicked.connect(self.viewClicked)
# set behavior and styles
self.setSelectionBehavior(QAbstractItemView.SelectRows)
delegate = itemDelegate(parent=self)
self.setItemDelegate(delegate)
ic1 = QImage(":/images/resources/eye-icon.png")
ic2 = QImage(":/images/resources/eye-icon-strike.png")
delegate.px1 = QPixmap.fromImage(ic1)
delegate.px2 = QPixmap.fromImage(ic2)
ic1.invertPixels()
ic2.invertPixels()
delegate.inv_px1 = QPixmap.fromImage(ic1)
delegate.inv_px2 = QPixmap.fromImage(ic2)
self.setIconSize(QSize(20, 15))
self.verticalHeader().setMinimumSectionSize(-1)
self.verticalHeader().setDefaultSectionSize(
self.verticalHeader().minimumSectionSize())
self.horizontalHeader().setMinimumSectionSize(40)
self.horizontalHeader().setDefaultSectionSize(40)
# drag and drop
self.setDragDropMode(QAbstractItemView.DragDrop)
self.setDefaultDropAction(Qt.MoveAction)
self.setDragDropOverwriteMode(False)
self.setDragEnabled(True)
self.setAcceptDrops(True)
self.setDropIndicatorShown(True)
################################
# layer property GUI :
# preview, blending mode, opacity, mask color
################################
# Preview option
# We should use a QListWidget or a custom optionsWidget
# (cf. utils.py) : adding it to QVBoxLayout with mode
# Qt.AlignBottom does not work.
self.previewOptionBox = QCheckBox('Preview')
self.previewOptionBox.setMaximumSize(100, 30)
# View/Preview changed slot
def m(state): # state : Qt.Checked Qt.UnChecked
if self.img is None:
return
useThumb = (state == Qt.Checked)
if useThumb == self.img.useThumb:
return
self.img.useThumb = useThumb
window.updateStatus()
self.img.cacheInvalidate()
try:
QApplication.setOverrideCursor(
Qt.WaitCursor
) # TODO 18/04/18 waitcursor already called by applytostack
QApplication.processEvents()
# update the whole stack
self.img.layersStack[0].applyToStack()
self.img.onImageChanged()
finally:
QApplication.restoreOverrideCursor()
QApplication.processEvents()
self.previewOptionBox.stateChanged.connect(m)
self.previewOptionBox.setChecked(True) # m is not triggered
# title
titleLabel = QLabel('Layer')
titleLabel.setMaximumSize(100, 30)
# opacity slider
self.opacitySlider = QbLUeSlider(Qt.Horizontal)
self.opacitySlider.setStyleSheet(
QbLUeSlider.bLueSliderDefaultBWStylesheet)
self.opacitySlider.setTickPosition(QSlider.TicksBelow)
self.opacitySlider.setRange(0, 100)
self.opacitySlider.setSingleStep(1)
self.opacitySlider.setSliderPosition(100)
self.opacityValue = QLabel()
font = self.opacityValue.font()
metrics = QFontMetrics(font)
w = metrics.width("100 ")
h = metrics.height()
self.opacityValue.setMinimumSize(w, h)
self.opacityValue.setMaximumSize(w, h)
self.opacityValue.setText('100 ')
# opacity value changed event handler
def f1():
self.opacityValue.setText(str('%d ' % self.opacitySlider.value()))
# opacity slider released event handler
def f2():
try:
layer = self.img.getActiveLayer()
layer.setOpacity(self.opacitySlider.value())
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.opacitySlider.valueChanged.connect(f1)
self.opacitySlider.sliderReleased.connect(f2)
# mask color slider
self.maskLabel = QLabel('Mask Color')
maskSlider = QbLUeSlider(Qt.Horizontal)
maskSlider.setStyleSheet(QbLUeSlider.bLueSliderDefaultBWStylesheet)
maskSlider.setTickPosition(QSlider.TicksBelow)
maskSlider.setRange(0, 100)
maskSlider.setSingleStep(1)
maskSlider.setSliderPosition(100)
self.maskSlider = maskSlider
self.maskValue = QLabel()
font = self.maskValue.font()
metrics = QFontMetrics(font)
w = metrics.width("100 ")
h = metrics.height()
self.maskValue.setMinimumSize(w, h)
self.maskValue.setMaximumSize(w, h)
self.maskValue.setText('100 ')
# masks are disbled by default
self.maskLabel.setEnabled(False)
self.maskSlider.setEnabled(False)
self.maskValue.setEnabled(False)
# mask value changed event handler
def g1():
self.maskValue.setText(str('%d ' % self.maskSlider.value()))
# mask slider released event handler
def g2():
try:
layer = self.img.getActiveLayer()
layer.setColorMaskOpacity(self.maskSlider.value() * 255.0 /
100.0)
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.maskSlider.valueChanged.connect(g1)
self.maskSlider.sliderReleased.connect(g2)
# blending mode combo box
compLabel = QLabel()
compLabel.setText("Blend")
self.compositionModeDict = OrderedDict([
('Normal', QPainter.CompositionMode_SourceOver),
('Plus', QPainter.CompositionMode_Plus),
('Multiply', QPainter.CompositionMode_Multiply),
('Screen', QPainter.CompositionMode_Screen),
('Overlay', QPainter.CompositionMode_Overlay),
('Darken', QPainter.CompositionMode_Darken),
('Lighten', QPainter.CompositionMode_Lighten),
('Color Dodge', QPainter.CompositionMode_ColorDodge),
('Color Burn', QPainter.CompositionMode_ColorBurn),
('Hard Light', QPainter.CompositionMode_HardLight),
('Soft Light', QPainter.CompositionMode_SoftLight),
('Difference', QPainter.CompositionMode_Difference),
('Exclusion', QPainter.CompositionMode_Exclusion),
# Type of previous modes is QPainter.CompositionMode (Shiboken enum-type).
# Next additional modes are not implemented by QPainter:
('Luminosity', -1),
('color', -2)
])
self.blendingModeCombo = QComboBox()
for key in self.compositionModeDict:
self.blendingModeCombo.addItem(key, self.compositionModeDict[key])
# combo box item changed slot
def g(ind):
layer = self.img.getActiveLayer()
s = self.blendingModeCombo.currentText()
newMode = self.compositionModeDict[str(s)]
if newMode == layer.compositionMode:
return
layer.compositionMode = newMode
layer.applyToStack()
self.img.onImageChanged()
self.blendingModeCombo.currentIndexChanged.connect(g)
# layout
l = QVBoxLayout()
l.setAlignment(Qt.AlignTop)
hl0 = QHBoxLayout()
hl0.addWidget(titleLabel)
hl0.addStretch(1)
hl0.addWidget(self.previewOptionBox)
l.addLayout(hl0)
hl = QHBoxLayout()
hl.addWidget(QLabel('Opacity'))
hl.addWidget(self.opacityValue)
hl.addWidget(self.opacitySlider)
l.addLayout(hl)
hl1 = QHBoxLayout()
hl1.addWidget(self.maskLabel)
hl1.addWidget(self.maskValue)
hl1.addWidget(self.maskSlider)
l.addLayout(hl1)
l.setContentsMargins(0, 0, 10, 0) # left, top, right, bottom
hl2 = QHBoxLayout()
hl2.addWidget(compLabel)
hl2.addWidget(self.blendingModeCombo)
l.addLayout(hl2)
for layout in [hl, hl1, hl2]:
layout.setContentsMargins(5, 0, 0, 0)
# this layout must be added to the propertyWidget object loaded from blue.ui :
# we postpone it to in blue.py, after loading the main form.
self.propertyLayout = l
# shortcut actions
self.actionDup = QAction('Duplicate layer', None)
self.actionDup.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_J))
self.addAction(self.actionDup)
def dup():
row = self.selectedIndexes()[0].row()
# Stack index
index = len(self.img.layersStack) - row - 1
layer = self.img.layersStack[index]
if layer.isAdjustLayer():
return
# add new layer to stack and set it to active
self.img.dupLayer(index=index)
# update layer view
self.setLayers(self.img)
self.actionDup.triggered.connect(dup)
self.setWhatsThis("""<b>Layer Stack</b><br>
To <b>toggle the layer visibility</b> click on the Eye icon.<br>
To <b>add a mask</b> use the context menu to enable it and paint pixels with the Mask/Unmask tools in the left pane.<br>
For <b>color mask<b/b>: <br>
green pixels are masked,<br>
red pixels are unmasked.<br>
Other colors correspond to partially masked pixels.<br>
Note that upper visible layers slow down mask edition.<br>
""") # end of setWhatsThis
def closeAdjustForms(self, delete=False):
"""
Close all windows associated with image layers.
If delete is True (default False), the windows and
their dock containers are deleted.
@param delete:
@type delete: boolean
"""
if self.img is None:
return
stack = self.img.layersStack
for layer in stack:
layer.closeView(delete=delete)
if delete:
self.currentWin = None
gc.collect()
def clear(self, delete=True):
"""
Reset LayerView and clear the back
links to image.
"""
self.closeAdjustForms(delete=delete)
self.img = None
self.currentWin = None
# model = layerModel()
# model.setColumnCount(3) # TODO removed 21/01/20 validate
self.setModel(None)
def setLayers(self, mImg, delete=False):
"""
Displays the layer stack of a mImage instance.
@param mImg: image
@type mImg: mImage
@param delete:
@type delete:
"""
# close open adjustment windows
# self.closeAdjustForms()
self.clear(delete=delete)
mImg.layerView = self
# back link to image
self.img = weakProxy(mImg)
model = layerModel()
model.setColumnCount(3)
l = len(mImg.layersStack)
# dataChanged event handler : enables edition of layer name
def f(index1, index2):
# index1 and index2 should be equal
# only layer name should be editable
# dropEvent emit dataChanged when setting item values. f must
# return immediately from these calls, as they are possibly made with unconsistent data :
# dragged rows are already removed from layersStack
# and not yet removed from model.
if l != self.model().rowCount():
return
# only name is editable
if index1.column() != 1:
return
row = index1.row()
stackIndex = l - row - 1
mImg.layersStack[stackIndex].name = index1.data()
model.dataChanged.connect(f)
for r, lay in enumerate(reversed(mImg.layersStack)):
try:
lay.maskSettingsChanged.sig.disconnect()
except RuntimeError:
pass
lay.maskSettingsChanged.sig.connect(self.updateRows)
items = []
# col 0 : visibility icon
if lay.visible:
item_visible = QStandardItem(
QIcon(":/images/resources/eye-icon.png"), "")
else:
item_visible = QStandardItem(
QIcon(":/images/resources/eye-icon-strike.png"), "")
items.append(item_visible)
# col 1 : image icon (for non-adjustment layer only) and name
if len(lay.name) <= 30:
name = lay.name
else:
name = lay.name[:28] + '...'
if hasattr(lay, 'inputImg'):
item_name = QStandardItem(name)
else:
# icon with very small dim causes QPainter error
# QPixmap.fromImage bug ?
smallImg = lay.resized(50, 50)
w, h = smallImg.width(), smallImg.height()
if w < h / 5 or h < w / 5:
item_name = QStandardItem(name)
else:
item_name = QStandardItem(
QIcon(QPixmap.fromImage(smallImg)), name)
# set tool tip to full name
item_name.setToolTip(lay.name)
items.append(item_name)
item_mask = QStandardItem('m')
items.append(item_mask)
model.appendRow(items)
self.setModel(model)
self.horizontalHeader().hide()
self.verticalHeader().hide()
header = self.horizontalHeader()
header.setSectionResizeMode(0, QHeaderView.ResizeToContents)
header.setSectionResizeMode(1, QHeaderView.ResizeToContents)
header.setSectionResizeMode(2, QHeaderView.ResizeToContents)
# lay out the graphic forms into right pane
forms = [
item.view for item in mImg.layersStack
if getattr(item, 'view', None) is not None
]
for dock in forms:
if TABBING:
dockedForms = [item for item in forms if not item.isFloating()]
dock.show() # needed to get working tabbing
if dock not in dockedForms and dock.tabbed:
if dockedForms:
window.tabifyDockWidget(dockedForms[-1], dock)
else:
window.addDockWidget(Qt.RightDockWidgetArea, dock)
dock.setFloating(False)
# select active layer
self.selectRow(len(mImg.layersStack) - 1 - mImg.activeLayerIndex)
activeLayer = mImg.getActiveLayer()
layerview = activeLayer.view
if layerview is not None:
layerview.show()
if TABBING:
layerview.raise_()
# lay out subcontrols of activeLayer
form = layerview.widget()
for dk in form.subControls:
dk.setVisible(form.options[dk.widget().optionName])
# clean up: we (re)dock all sucontrols
dk.setFloating(False) # emit topLevelChanged signal
self.opacitySlider.setSliderPosition(int(activeLayer.opacity * 100))
self.maskSlider.setSliderPosition(
int(activeLayer.colorMaskOpacity * 100.0 / 255.0))
ind = self.blendingModeCombo.findData(activeLayer.compositionMode)
self.blendingModeCombo.setCurrentIndex(ind)
self.previewOptionBox.setChecked(activeLayer.parentImage.useThumb)
#activeLayer.maskColor
self.updateForm()
""" # TODO removed 25/01/20 useless validate
for item in self.img.layersStack:
if hasattr(item, 'sourceIndex'):
combo = item.getGraphicsForm().sourceCombo
currentText = combo.currentText()
combo.clear()
for i, x in enumerate(self.img.layersStack):
item.view.widget().sourceCombo.addItem(x.name, i)
combo.setCurrentIndex(combo.findText(currentText))
"""
def updateForm(self):
activeLayer = self.img.getActiveLayer()
if hasattr(activeLayer, 'view'):
self.currentWin = activeLayer.view
if self.currentWin is not None:
self.currentWin.show()
self.currentWin.activateWindow()
def updateRow(self, row):
minInd, maxInd = self.model().index(row, 0), self.model().index(row, 3)
self.model().dataChanged.emit(minInd, maxInd)
def updateRows(self):
"""
Update all rows.
"""
count = self.model().rowCount()
minInd, maxInd = self.model().index(0, 0), self.model().index(
count - 1, 3)
self.model().dataChanged.emit(minInd, maxInd)
def dropEvent(self, event):
"""
drop event handler : moving layer
@param event:
@type event: Qevent
"""
if event.source() is not self:
return
# get selected rows and layers
rows = set([mi.row() for mi in self.selectedIndexes()])
rStack = self.img.layersStack[::-1]
layers = [rStack[i] for i in rows]
# get target row and layer
targetRow = self.indexAt(event.pos()).row()
targetLayer = rStack[targetRow]
# remove target from selection
if targetRow in rows:
rows.discard(targetRow)
rows = sorted(rows)
if not rows:
return
# if target is below last row insert at the last position
if targetRow == -1:
targetRow = self.model().rowCount()
# mapping of src (row) indices to target indices
rowMapping = dict()
for idx, row in enumerate(rows):
if row < targetRow:
rowMapping[row] = targetRow + idx
else:
rowMapping[row + len(rows)] = targetRow + idx
# update layerStack using rowMapping
# insert None items
for _ in range(len(rows)):
rStack.insert(targetRow, None)
# copy moved items to their final place
for srcRow, tgtRow in sorted(
rowMapping.items()): # python 3 iteritems->items
rStack[tgtRow] = rStack[srcRow]
# remove moved items from their initial place
for row in reversed(sorted(
rowMapping.keys())): # python 3 iterkeys -> keys
rStack.pop(row)
self.img.layersStack = rStack[::-1]
# update model
# insert empty rows
for _ in range(len(rows)):
result = self.model().insertRow(targetRow, QModelIndex())
# copy moved rows to their final place
colCount = self.model().columnCount()
for srcRow, tgtRow in sorted(
rowMapping.items()): # python 3 iteritems->items
for col in range(0, colCount):
# CAUTION : setItem calls the data changed event handler (cf. setLayers above)
self.model().setItem(tgtRow, col,
self.model().takeItem(srcRow, col))
# remove moved rows from their initial place and keep track of moved items
movedDict = rowMapping.copy()
for row in reversed(sorted(
rowMapping.keys())): # python 3 iterkeys -> keys
self.model().removeRow(row)
for s, t in rowMapping.items():
if t > row:
movedDict[s] -= 1
######################################### sanity check
for r in range(self.model().rowCount()):
id = self.model().index(r, 1)
if id.data() != rStack[r].name:
raise ValueError('Drop Error')
########################################
# reselect moved rows
sel = sorted(movedDict.values())
selectionModel = QtCore.QItemSelectionModel(self.model())
self.setSelectionModel(selectionModel)
index1 = self.model().index(sel[0], 1)
index2 = self.model().index(sel[-1], 1)
itemSelection = QtCore.QItemSelection(index1, index2)
self.selectionModel().select(
itemSelection, QtCore.QItemSelectionModel.Rows
| QtCore.QItemSelectionModel.Select)
# multiple selection : display no window
if len(sel) > 1:
self.currentWin.hide()
self.currentWin = None
elif len(sel) == 1:
self.img.setActiveLayer(len(self.img.layersStack) - sel[0] - 1)
# update stack
self.img.layersStack[0].applyToStack()
self.img.onImageChanged()
def select(self, row, col):
"""
select item in view
@param row:
@type row:
@param col:
@type col:
@return:
@rtype:
"""
model = self.model()
self.viewClicked(model.index(row, col))
def viewClicked(self, clickedIndex):
"""
Mouse clicked event handler.
@param clickedIndex:
@type clickedIndex: QModelIndex
"""
row = clickedIndex.row()
rows = set([mi.row() for mi in self.selectedIndexes()])
# multiple selection : go to top of selection
m = min(rows)
if row != m:
clickedIndex = self.model().index(m, clickedIndex.column())
layer = self.img.layersStack[-1 - row]
self.actionDup.setEnabled(not layer.isAdjustLayer())
# toggle layer visibility
if clickedIndex.column() == 0:
# background layer is always visible
if row == len(self.img.layersStack) - 1:
return
# layer.visible = not(layer.visible)
layer.setVisible(not layer.visible)
if self.currentWin is not None:
self.currentWin.setVisible(layer.visible)
if not layer.visible:
self.currentWin = None
if layer.tool is not None:
layer.tool.setVisible(layer.visible)
# update stack
if layer.visible:
layer.applyToStack()
else:
i = layer.getUpperVisibleStackIndex()
if i >= 0:
layer.parentImage.layersStack[i].applyToStack()
else:
# top layer : update only the presentation layer
layer.parentImage.prLayer.execute(l=None, pool=None)
self.img.onImageChanged()
# update displayed window and active layer
activeStackIndex = len(self.img.layersStack) - 1 - row
activeLayer = self.img.setActiveLayer(activeStackIndex)
# update color mask slider and label
self.maskLabel.setEnabled(layer.maskIsSelected)
self.maskSlider.setEnabled(activeLayer.maskIsSelected)
self.maskValue.setEnabled(activeLayer.maskIsSelected)
if self.currentWin is not None:
# hide sucontrols
for dk in self.currentWin.widget().subControls:
dk.hide()
if self.currentWin.isFloating():
self.currentWin.hide()
self.currentWin = None
if hasattr(activeLayer, "view"):
self.currentWin = activeLayer.view
if self.currentWin is not None and activeLayer.visible:
self.currentWin.show()
self.currentWin.raise_()
# display subcontrols
for dk in self.currentWin.widget().subControls:
dk.setVisible(
self.currentWin.widget().options[dk.widget().optionName])
# make self.currentWin the active window
self.currentWin.activateWindow()
# update opacity and composition mode for current layer
opacity = int(layer.opacity * 100)
self.opacityValue.setText(str('%d ' % opacity))
self.opacitySlider.setSliderPosition(opacity)
compositionMode = layer.compositionMode
ind = self.blendingModeCombo.findData(compositionMode)
self.blendingModeCombo.setCurrentIndex(ind)
# draw the right rectangle
window.label.repaint()
def initContextMenu(self):
"""
Context menu initialization
@return:
@rtype: QMenu
"""
menu = QMenu()
# menu.actionReset = QAction('Reset To Default', None)
# menu.actionLoadImage = QAction('Load New Image', None)
# multiple selections
menu.actionMerge = QAction('Merge Lower', None)
# merge only adjustment layer with image layer
menu.actionRepositionLayer = QAction('Reposition Layer(s)', None)
menu.actionColorMaskEnable = QAction('Color', None)
menu.actionOpacityMaskEnable = QAction('Opacity', None)
menu.actionClippingMaskEnable = QAction('Clipping', None)
menu.actionMaskDisable = QAction('Disabled', None)
menu.actionMaskUndo = QAction('Undo Mask', None)
menu.actionMaskRedo = QAction('Redo Mask', None)
menu.actionMaskInvert = QAction('Invert Mask', None)
menu.actionMaskReset_UM = QAction('Unmask All', None)
menu.actionMaskReset_M = QAction('Mask All', None)
menu.actionMaskCopy = QAction('Copy Mask to Clipboard', None)
menu.actionImageCopy = QAction('Copy Image to Clipboard', None)
menu.actionMaskPaste = QAction('Paste Mask', None)
menu.actionImagePaste = QAction('Paste Image', None)
menu.actionMaskDilate = QAction('Dilate Mask', None)
menu.actionMaskErode = QAction('Erode Mask', None)
menu.actionMaskSmooth = QAction('Smooth Mask', None)
menu.actionMaskBright1 = QAction('Bright 1 Mask', None)
menu.actionMaskBright2 = QAction('Bright 2 Mask', None)
menu.actionMaskBright3 = QAction('Bright 3 Mask', None)
menu.actionMaskDark1 = QAction('Dark 1 Mask', None)
menu.actionMaskDark2 = QAction('Dark 2 Mask', None)
menu.actionMaskDark3 = QAction('Dark 3 Mask', None)
menu.actionMaskMid1 = QAction('Mid 1 Mask', None)
menu.actionMaskMid2 = QAction('Mid 2 Mask', None)
menu.actionMaskMid3 = QAction('Mid 3 Mask', None)
menu.actionMergingFlag = QAction('Merged Layer', None)
menu.actionMergingFlag.setCheckable(True)
menu.actionColorMaskEnable.setCheckable(True)
menu.actionOpacityMaskEnable.setCheckable(True)
menu.actionClippingMaskEnable.setCheckable(True)
menu.actionMaskDisable.setCheckable(True)
####################
# Build menu
###################
menu.addAction(menu.actionRepositionLayer)
menu.addSeparator()
# layer
menu.addAction(menu.actionImageCopy)
menu.addAction(menu.actionImagePaste)
menu.addAction(menu.actionMergingFlag)
menu.addSeparator()
# mask
menu.subMenuEnable = menu.addMenu('Mask...')
menu.subMenuEnable.addAction(menu.actionColorMaskEnable)
menu.subMenuEnable.addAction(menu.actionOpacityMaskEnable)
menu.subMenuEnable.addAction(menu.actionClippingMaskEnable)
menu.subMenuEnable.addAction(menu.actionMaskDisable)
menu.addAction(menu.actionMaskUndo)
menu.addAction(menu.actionMaskRedo)
menu.addAction(menu.actionMaskInvert)
menu.subMenuLum = menu.addMenu('Luminosity Mask...')
for a in [
menu.actionMaskBright1, menu.actionMaskBright2,
menu.actionMaskBright3, menu.actionMaskDark1,
menu.actionMaskDark2, menu.actionMaskDark3,
menu.actionMaskMid1, menu.actionMaskMid2, menu.actionMaskMid3
]:
menu.subMenuLum.addAction(a)
menu.addAction(menu.actionMaskReset_UM)
menu.addAction(menu.actionMaskReset_M)
menu.addAction(menu.actionMaskCopy)
menu.addAction(menu.actionMaskPaste)
menu.addAction(menu.actionMaskDilate)
menu.addAction(menu.actionMaskErode)
menu.addAction(menu.actionMaskSmooth)
menu.addSeparator()
# miscellaneous
# menu.addAction(menu.actionLoadImage)
# to link actionDup with a shortcut,
# it must be set in __init__
menu.addAction(self.actionDup)
menu.addAction(menu.actionMerge)
# menu.addAction(menu.actionReset)
return menu
def contextMenuEvent(self, event):
"""
context menu handler
@param event
@type event: QContextMenuEvent
"""
selection = self.selectedIndexes()
if not selection:
return
# get a fresh context menu without connected actions
# and with state corresponding to the currently clicked layer
self.cMenu = self.initContextMenu()
# get current selection
rows = set([mi.row() for mi in selection])
rStack = self.img.layersStack[::-1]
layers = [rStack[r] for r in rows]
# get current position
index = self.indexAt(event.pos())
layerStackIndex = len(self.img.layersStack) - 1 - index.row()
layer = self.img.layersStack[layerStackIndex]
lowerVisible = self.img.layersStack[layer.getLowerVisibleStackIndex()]
lower = self.img.layersStack[layerStackIndex -
1] # case index == 0 doesn't matter
# toggle actions
self.cMenu.actionMergingFlag.setChecked(layer.mergingFlag)
self.cMenu.actionMerge.setEnabled(not (
hasattr(layer, 'inputImg') or hasattr(lowerVisible, 'inputImg')))
self.actionDup.setEnabled(not layer.isAdjustLayer())
self.cMenu.actionColorMaskEnable.setChecked(layer.maskIsSelected
and layer.maskIsEnabled)
self.cMenu.actionOpacityMaskEnable.setChecked(
(not layer.maskIsSelected) and layer.maskIsEnabled)
self.cMenu.actionClippingMaskEnable.setChecked(
layer.isClipping and (layer.maskIsSelected or layer.maskIsEnabled))
self.cMenu.actionMaskDisable.setChecked(not (
layer.isClipping or layer.maskIsSelected or layer.maskIsEnabled))
self.cMenu.actionMaskUndo.setEnabled(layer.historyListMask.canUndo())
self.cMenu.actionMaskRedo.setEnabled(layer.historyListMask.canRedo())
self.cMenu.subMenuEnable.setEnabled(len(rows) == 1)
self.cMenu.actionMaskPaste.setEnabled(
not QApplication.clipboard().image().isNull())
self.cMenu.actionImagePaste.setEnabled(
not QApplication.clipboard().image().isNull())
self.cMenu.actionMergingFlag.setEnabled(layer.isImageLayer())
# Event handlers
def RepositionLayer():
layer.xOffset, layer.yOffset = 0, 0
layer.Zoom_coeff = 1.0
layer.AltZoom_coeff = 1.0
layer.xAltOffset, layer.yAltOffset = 0, 0
layer.updatePixmap()
self.img.onImageChanged()
def merge():
layer.merge_with_layer_immediately_below()
def testUpperVisibility():
pos = self.img.getStackIndex(layer)
upperVisible = False
for i in range(len(self.img.layersStack) - pos - 1):
if self.img.layersStack[pos + 1 + i].visible:
upperVisible = True
break
if upperVisible:
dlgWarn("Upper visible layers slow down mask edition")
return True
return False
def colorMaskEnable():
testUpperVisibility()
layer.maskIsEnabled = True
layer.maskIsSelected = True
self.maskLabel.setEnabled(layer.maskIsSelected)
self.maskSlider.setEnabled(layer.maskIsSelected)
self.maskValue.setEnabled(layer.maskIsSelected)
layer.applyToStack()
self.img.onImageChanged()
def opacityMaskEnable():
testUpperVisibility()
layer.maskIsEnabled = True
layer.maskIsSelected = False
self.maskLabel.setEnabled(layer.maskIsSelected)
self.maskSlider.setEnabled(layer.maskIsSelected)
self.maskValue.setEnabled(layer.maskIsSelected)
layer.applyToStack()
self.img.onImageChanged()
def clippingMaskEnable():
layer.maskIsEnabled = True
layer.maskIsSelected = False
self.maskLabel.setEnabled(layer.maskIsSelected)
self.maskSlider.setEnabled(layer.maskIsSelected)
self.maskValue.setEnabled(layer.maskIsSelected)
layer.isClipping = True
layer.applyToStack()
self.img.onImageChanged()
def maskDisable():
layer.maskIsEnabled = False
layer.maskIsSelected = False
self.maskLabel.setEnabled(layer.maskIsSelected)
self.maskSlider.setEnabled(layer.maskIsSelected)
self.maskValue.setEnabled(layer.maskIsSelected)
layer.isClipping = False
layer.applyToStack()
self.img.onImageChanged()
def undoMask():
try:
layer.mask = layer.historyListMask.undo(
saveitem=layer.mask.copy())
layer.applyToStack()
self.img.onImageChanged()
except ValueError:
pass
def redoMask():
try:
layer.mask = layer.historyListMask.redo()
layer.applyToStack()
self.img.onImageChanged()
except ValueError:
pass
def maskInvert():
layer.invertMask()
# update mask stack
layer.applyToStack()
self.img.onImageChanged()
def maskReset_UM():
layer.resetMask(maskAll=False)
# update mask stack
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.execute(l=None, pool=None)
self.img.onImageChanged()
def maskReset_M():
layer.resetMask(maskAll=True)
# update mask stack
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.execute(l=None, pool=None)
self.img.onImageChanged()
def maskCopy():
QApplication.clipboard().setImage(layer.mask)
def imageCopy():
QApplication.clipboard().setImage(layer.getCurrentMaskedImage())
def maskPaste():
"""
Pastes clipboard to mask and updates the stack. The clipboard image
is scaled if its size does not match the size of the mask
"""
cb = QApplication.clipboard()
if not cb.image().isNull():
img = cb.image()
if img.size() == layer.mask.size():
layer.mask = img
else:
layer.mask = img.scaled(layer.mask.size())
layer.applyToStack()
self.img.prLayer.execute(l=None, pool=None)
self.img.onImageChanged()
def imagePaste():
"""
Pastes clipboard to mask and updates the stack. The clipboard image
is scaled if its size does not match the size of the mask
"""
cb = QApplication.clipboard()
if not cb.image().isNull():
srcImg = cb.image()
if srcImg.size() == layer.size():
layer.setImage(srcImg)
else:
layer.setImage(srcImg.scaled(layer.size()))
layer.applyToStack()
self.img.onImageChanged()
def maskDilate():
"""
Increase the masked part of the image
"""
buf = QImageBuffer(layer.mask)
buf[:, :, 2] = vImage.maskDilate(buf[:, :, 2])
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskErode():
"""
Reduce the masked part of the image
"""
buf = QImageBuffer(layer.mask)
buf[:, :, 2] = vImage.maskErode(buf[:, :, 2])
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskSmooth():
"""
Smooth the mask boundary
"""
buf = QImageBuffer(layer.mask)
buf[:, :, 2] = vImage.maskSmooth(buf[:, :, 2])
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskBright1():
layer.setMaskLuminosity(min=128, max=255)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskBright2():
layer.setMaskLuminosity(min=192, max=255)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskBright3():
layer.setMaskLuminosity(min=224, max=255)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskDark1():
layer.setMaskLuminosity(min=0, max=128)
def maskDark2():
layer.setMaskLuminosity(min=0, max=64)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskDark3():
layer.setMaskLuminosity(min=0, max=32)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskMid1():
layer.setMaskLuminosity(min=64, max=192)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskMid2():
layer.setMaskLuminosity(min=96, max=160)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def maskMid3():
layer.setMaskLuminosity(min=112, max=144)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.prLayer.update()
self.img.onImageChanged()
def mergingFlag(flag):
layer.mergingFlag = flag
self.cMenu.actionRepositionLayer.triggered.connect(RepositionLayer)
# self.cMenu.actionLoadImage.triggered.connect(loadImage)
self.cMenu.actionMerge.triggered.connect(merge)
self.cMenu.actionColorMaskEnable.triggered.connect(colorMaskEnable)
self.cMenu.actionOpacityMaskEnable.triggered.connect(opacityMaskEnable)
self.cMenu.actionClippingMaskEnable.triggered.connect(
clippingMaskEnable)
self.cMenu.actionMaskDisable.triggered.connect(maskDisable)
self.cMenu.actionMaskUndo.triggered.connect(undoMask)
self.cMenu.actionMaskRedo.triggered.connect(redoMask)
self.cMenu.actionMaskInvert.triggered.connect(maskInvert)
self.cMenu.actionMaskReset_UM.triggered.connect(maskReset_UM)
self.cMenu.actionMaskReset_M.triggered.connect(maskReset_M)
self.cMenu.actionMaskCopy.triggered.connect(maskCopy)
self.cMenu.actionMaskPaste.triggered.connect(maskPaste)
self.cMenu.actionImageCopy.triggered.connect(imageCopy)
self.cMenu.actionImagePaste.triggered.connect(imagePaste)
self.cMenu.actionMaskDilate.triggered.connect(maskDilate)
self.cMenu.actionMaskErode.triggered.connect(maskErode)
self.cMenu.actionMaskSmooth.triggered.connect(maskSmooth)
self.cMenu.actionMaskBright1.triggered.connect(maskBright1)
self.cMenu.actionMaskBright2.triggered.connect(maskBright2)
self.cMenu.actionMaskBright3.triggered.connect(maskBright3)
self.cMenu.actionMaskDark1.triggered.connect(maskDark1)
self.cMenu.actionMaskDark2.triggered.connect(maskDark2)
self.cMenu.actionMaskDark3.triggered.connect(maskDark3)
self.cMenu.actionMaskMid1.triggered.connect(maskMid1)
self.cMenu.actionMaskMid2.triggered.connect(maskMid2)
self.cMenu.actionMaskMid3.triggered.connect(maskMid3)
self.cMenu.actionMergingFlag.toggled.connect(mergingFlag)
self.cMenu.exec_(event.globalPos() - QPoint(400, 0))
# update table
for row in rows:
self.updateRow(row)
def __init__(self, parent):
super().__init__(parent)
self.img = None
# graphic form to show : it
# should correspond to the currently selected layer
self.currentWin = None
# mouse click event
self.clicked.connect(self.viewClicked)
# set behavior and styles
self.setSelectionBehavior(QAbstractItemView.SelectRows)
delegate = itemDelegate(parent=self)
self.setItemDelegate(delegate)
ic1 = QImage(":/images/resources/eye-icon.png")
ic2 = QImage(":/images/resources/eye-icon-strike.png")
delegate.px1 = QPixmap.fromImage(ic1)
delegate.px2 = QPixmap.fromImage(ic2)
ic1.invertPixels()
ic2.invertPixels()
delegate.inv_px1 = QPixmap.fromImage(ic1)
delegate.inv_px2 = QPixmap.fromImage(ic2)
self.setIconSize(QSize(20, 15))
self.verticalHeader().setMinimumSectionSize(-1)
self.verticalHeader().setDefaultSectionSize(
self.verticalHeader().minimumSectionSize())
self.horizontalHeader().setMinimumSectionSize(40)
self.horizontalHeader().setDefaultSectionSize(40)
# drag and drop
self.setDragDropMode(QAbstractItemView.DragDrop)
self.setDefaultDropAction(Qt.MoveAction)
self.setDragDropOverwriteMode(False)
self.setDragEnabled(True)
self.setAcceptDrops(True)
self.setDropIndicatorShown(True)
################################
# layer property GUI :
# preview, blending mode, opacity, mask color
################################
# Preview option
# We should use a QListWidget or a custom optionsWidget
# (cf. utils.py) : adding it to QVBoxLayout with mode
# Qt.AlignBottom does not work.
self.previewOptionBox = QCheckBox('Preview')
self.previewOptionBox.setMaximumSize(100, 30)
# View/Preview changed slot
def m(state): # state : Qt.Checked Qt.UnChecked
if self.img is None:
return
useThumb = (state == Qt.Checked)
if useThumb == self.img.useThumb:
return
self.img.useThumb = useThumb
window.updateStatus()
self.img.cacheInvalidate()
try:
QApplication.setOverrideCursor(
Qt.WaitCursor
) # TODO 18/04/18 waitcursor already called by applytostack
QApplication.processEvents()
# update the whole stack
self.img.layersStack[0].applyToStack()
self.img.onImageChanged()
finally:
QApplication.restoreOverrideCursor()
QApplication.processEvents()
self.previewOptionBox.stateChanged.connect(m)
self.previewOptionBox.setChecked(True) # m is not triggered
# title
titleLabel = QLabel('Layer')
titleLabel.setMaximumSize(100, 30)
# opacity slider
self.opacitySlider = QbLUeSlider(Qt.Horizontal)
self.opacitySlider.setStyleSheet(
QbLUeSlider.bLueSliderDefaultBWStylesheet)
self.opacitySlider.setTickPosition(QSlider.TicksBelow)
self.opacitySlider.setRange(0, 100)
self.opacitySlider.setSingleStep(1)
self.opacitySlider.setSliderPosition(100)
self.opacityValue = QLabel()
font = self.opacityValue.font()
metrics = QFontMetrics(font)
w = metrics.width("100 ")
h = metrics.height()
self.opacityValue.setMinimumSize(w, h)
self.opacityValue.setMaximumSize(w, h)
self.opacityValue.setText('100 ')
# opacity value changed event handler
def f1():
self.opacityValue.setText(str('%d ' % self.opacitySlider.value()))
# opacity slider released event handler
def f2():
try:
layer = self.img.getActiveLayer()
layer.setOpacity(self.opacitySlider.value())
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.opacitySlider.valueChanged.connect(f1)
self.opacitySlider.sliderReleased.connect(f2)
# mask color slider
self.maskLabel = QLabel('Mask Color')
maskSlider = QbLUeSlider(Qt.Horizontal)
maskSlider.setStyleSheet(QbLUeSlider.bLueSliderDefaultBWStylesheet)
maskSlider.setTickPosition(QSlider.TicksBelow)
maskSlider.setRange(0, 100)
maskSlider.setSingleStep(1)
maskSlider.setSliderPosition(100)
self.maskSlider = maskSlider
self.maskValue = QLabel()
font = self.maskValue.font()
metrics = QFontMetrics(font)
w = metrics.width("100 ")
h = metrics.height()
self.maskValue.setMinimumSize(w, h)
self.maskValue.setMaximumSize(w, h)
self.maskValue.setText('100 ')
# masks are disbled by default
self.maskLabel.setEnabled(False)
self.maskSlider.setEnabled(False)
self.maskValue.setEnabled(False)
# mask value changed event handler
def g1():
self.maskValue.setText(str('%d ' % self.maskSlider.value()))
# mask slider released event handler
def g2():
try:
layer = self.img.getActiveLayer()
layer.setColorMaskOpacity(self.maskSlider.value() * 255.0 /
100.0)
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.maskSlider.valueChanged.connect(g1)
self.maskSlider.sliderReleased.connect(g2)
# blending mode combo box
compLabel = QLabel()
compLabel.setText("Blend")
self.compositionModeDict = OrderedDict([
('Normal', QPainter.CompositionMode_SourceOver),
('Plus', QPainter.CompositionMode_Plus),
('Multiply', QPainter.CompositionMode_Multiply),
('Screen', QPainter.CompositionMode_Screen),
('Overlay', QPainter.CompositionMode_Overlay),
('Darken', QPainter.CompositionMode_Darken),
('Lighten', QPainter.CompositionMode_Lighten),
('Color Dodge', QPainter.CompositionMode_ColorDodge),
('Color Burn', QPainter.CompositionMode_ColorBurn),
('Hard Light', QPainter.CompositionMode_HardLight),
('Soft Light', QPainter.CompositionMode_SoftLight),
('Difference', QPainter.CompositionMode_Difference),
('Exclusion', QPainter.CompositionMode_Exclusion),
# Type of previous modes is QPainter.CompositionMode (Shiboken enum-type).
# Next additional modes are not implemented by QPainter:
('Luminosity', -1),
('color', -2)
])
self.blendingModeCombo = QComboBox()
for key in self.compositionModeDict:
self.blendingModeCombo.addItem(key, self.compositionModeDict[key])
# combo box item changed slot
def g(ind):
layer = self.img.getActiveLayer()
s = self.blendingModeCombo.currentText()
newMode = self.compositionModeDict[str(s)]
if newMode == layer.compositionMode:
return
layer.compositionMode = newMode
layer.applyToStack()
self.img.onImageChanged()
self.blendingModeCombo.currentIndexChanged.connect(g)
# layout
l = QVBoxLayout()
l.setAlignment(Qt.AlignTop)
hl0 = QHBoxLayout()
hl0.addWidget(titleLabel)
hl0.addStretch(1)
hl0.addWidget(self.previewOptionBox)
l.addLayout(hl0)
hl = QHBoxLayout()
hl.addWidget(QLabel('Opacity'))
hl.addWidget(self.opacityValue)
hl.addWidget(self.opacitySlider)
l.addLayout(hl)
hl1 = QHBoxLayout()
hl1.addWidget(self.maskLabel)
hl1.addWidget(self.maskValue)
hl1.addWidget(self.maskSlider)
l.addLayout(hl1)
l.setContentsMargins(0, 0, 10, 0) # left, top, right, bottom
hl2 = QHBoxLayout()
hl2.addWidget(compLabel)
hl2.addWidget(self.blendingModeCombo)
l.addLayout(hl2)
for layout in [hl, hl1, hl2]:
layout.setContentsMargins(5, 0, 0, 0)
# this layout must be added to the propertyWidget object loaded from blue.ui :
# we postpone it to in blue.py, after loading the main form.
self.propertyLayout = l
# shortcut actions
self.actionDup = QAction('Duplicate layer', None)
self.actionDup.setShortcut(QKeySequence(Qt.CTRL + Qt.Key_J))
self.addAction(self.actionDup)
def dup():
row = self.selectedIndexes()[0].row()
# Stack index
index = len(self.img.layersStack) - row - 1
layer = self.img.layersStack[index]
if layer.isAdjustLayer():
return
# add new layer to stack and set it to active
self.img.dupLayer(index=index)
# update layer view
self.setLayers(self.img)
self.actionDup.triggered.connect(dup)
self.setWhatsThis("""<b>Layer Stack</b><br>
To <b>toggle the layer visibility</b> click on the Eye icon.<br>
To <b>add a mask</b> use the context menu to enable it and paint pixels with the Mask/Unmask tools in the left pane.<br>
For <b>color mask<b/b>: <br>
green pixels are masked,<br>
red pixels are unmasked.<br>
Other colors correspond to partially masked pixels.<br>
Note that upper visible layers slow down mask edition.<br>
""") # end of setWhatsThis
class savingDialog(QDialog):
"""
File dialog with options.
We use a standard QFileDialog as a child widget and we
forward its methods to the top level.
"""
def __init__(self, parent, text, lastDir):
"""
@param parent:
@type parent: QObject
@param text:
@type text: str
@param lastDir:
@type lastDir:str
"""
# QDialog __init__
super().__init__()
self.setWindowTitle(text)
# File Dialog
self.dlg = QFileDialog(caption=text, directory=lastDir)
self.dlg.setOption(QFileDialog.DontUseNativeDialog)
self.metaOption = QCheckBox('Remove Meta')
# sliders
self.sliderComp = QbLUeSlider(Qt.Horizontal)
self.sliderComp.setTickPosition(QSlider.TicksBelow)
self.sliderComp.setRange(0, 9)
self.sliderComp.setSingleStep(1)
self.sliderComp.setValue(
3
) # 3 = default opencv imwrite value TODO changed 5 to 3 20/02/20 validate
self.sliderQual = QbLUeSlider(Qt.Horizontal)
self.sliderQual.setTickPosition(QSlider.TicksBelow)
self.sliderQual.setRange(0, 100)
self.sliderQual.setSingleStep(10)
self.sliderQual.setValue(
95
) # 95 = default opencv imwrite value # TODO changed 90 to 95 20/02/20 validate
self.dlg.setVisible(True)
l = QVBoxLayout()
h = QHBoxLayout()
l.addWidget(self.dlg)
h.addWidget(self.metaOption)
h.addWidget(QLabel("Quality"))
h.addWidget(self.sliderQual)
h.addWidget(QLabel("Compression"))
h.addWidget(self.sliderComp)
l.addLayout(h)
self.setLayout(l)
# file dialog close event handler
def f():
self.close()
self.dlg.finished.connect(f)
def exec_(self):
# QDialog exec_
super().exec_()
# forward file dialog result
return self.dlg.result()
def selectFile(self, fileName):
self.dlg.selectFile(fileName)
def selectedFiles(self):
return self.dlg.selectedFiles()
def directory(self):
return self.dlg.directory()