def __init__(self, parent):
super(QLayerView, self).__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 event handler
def m(state): # state : Qt.Checked Qt.UnChecked
if self.img is None:
return
self.img.useThumb = (state == Qt.Checked)
window.updateStatus()
self.img.cacheInvalidate()
for layer in self.img.layersStack:
layer.autoclone = True # auto update cloning layers
layer.knitted = False
try:
QApplication.setOverrideCursor(
Qt.WaitCursor
) # TODO 18/04/18 waitcursor is called by applytostack?
QApplication.processEvents()
# update the whole stack
self.img.layersStack[0].applyToStack()
self.img.onImageChanged() # TODO added 30/11/18 validate
finally:
for layer in self.img.layersStack:
layer.autoclone = False # reset flags
layer.knitted = False
QApplication.restoreOverrideCursor()
QApplication.processEvents()
# window.label.repaint() # TODO removed 30/11/18 replaced by onImageChange above
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
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 ')
# 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())
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)
])
self.blendingModeCombo = QComboBox()
for key in self.compositionModeDict:
self.blendingModeCombo.addItem(key, self.compositionModeDict[key])
# combo box item chosen event handler
def g(ind):
s = self.blendingModeCombo.currentText()
try:
layer = self.img.getActiveLayer()
layer.compositionMode = self.compositionModeDict[str(s)]
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.blendingModeCombo.currentIndexChanged.connect(g)
# self.blendingModeCombo.activated.connect(g) # TODO activated changed to currentIndexChanged 08/10/18 validate
#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(QLabel('Mask Color'))
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 after loading of the main form, in blue.py.
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>
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>
Note that upper visible layers slow down mask edition.<br>
""") # end of setWhatsThis
class QLayerView(QTableView):
"""
Display the stack of image layers.
"""
def __init__(self, parent):
super(QLayerView, self).__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 event handler
def m(state): # state : Qt.Checked Qt.UnChecked
if self.img is None:
return
self.img.useThumb = (state == Qt.Checked)
window.updateStatus()
self.img.cacheInvalidate()
for layer in self.img.layersStack:
layer.autoclone = True # auto update cloning layers
layer.knitted = False
try:
QApplication.setOverrideCursor(
Qt.WaitCursor
) # TODO 18/04/18 waitcursor is called by applytostack?
QApplication.processEvents()
# update the whole stack
self.img.layersStack[0].applyToStack()
self.img.onImageChanged() # TODO added 30/11/18 validate
finally:
for layer in self.img.layersStack:
layer.autoclone = False # reset flags
layer.knitted = False
QApplication.restoreOverrideCursor()
QApplication.processEvents()
# window.label.repaint() # TODO removed 30/11/18 replaced by onImageChange above
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
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 ')
# 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())
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)
])
self.blendingModeCombo = QComboBox()
for key in self.compositionModeDict:
self.blendingModeCombo.addItem(key, self.compositionModeDict[key])
# combo box item chosen event handler
def g(ind):
s = self.blendingModeCombo.currentText()
try:
layer = self.img.getActiveLayer()
layer.compositionMode = self.compositionModeDict[str(s)]
layer.applyToStack()
self.img.onImageChanged()
except AttributeError:
return
self.blendingModeCombo.currentIndexChanged.connect(g)
# self.blendingModeCombo.activated.connect(g) # TODO activated changed to currentIndexChanged 08/10/18 validate
#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(QLabel('Mask Color'))
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 after loading of the main form, in blue.py.
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>
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>
Note that upper visible layers slow down mask edition.<br>
""") # end of setWhatsThis
"""
def setEnabled(self, value): # TODO removed 30/11/18
super(QLayerView, self).setEnabled(value)
if not self.isEnabled():
self.setStatusTip('Close adjustment form %s to enable Layers' % self.currentWin.windowTitle())
else:
self.setStatusTip('')
"""
def closeAdjustForms(self, delete=False):
"""
Close all layer forms. If delete is True (default False),
the forms 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:
if hasattr(layer, "view"):
if layer.view is not None:
dock = layer.view
if delete:
form = dock.widget()
# remove back link
form.layer = None
# QtGui1.window.removeDockWidget(dock)
form.setAttribute(Qt.WA_DeleteOnClose)
form.close()
dock.setAttribute(Qt.WA_DeleteOnClose)
dock.close()
layer.view = None
elif not TABBING: # tabbed forms should not be closed
dock.close()
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)
self.setModel(None)
def setLayers(self, mImg, delete=False):
"""
Displays the layer stack of mImg
@param mImg: image
@type mImg: mImage
"""
# 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)):
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 layeronly) 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.resize(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)
# select active layer
self.selectRow(len(mImg.layersStack) - 1 - mImg.activeLayerIndex)
layerview = mImg.getActiveLayer().view # TODO added 25/11/18
if layerview is not None:
layerview.show()
if TABBING:
layerview.raise_()
self.updateForm()
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 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]
linked = any(l.group for l in layers)
if linked and len(rows) > 1:
return
# get target row and layer
targetRow = self.indexAt(event.pos()).row()
targetLayer = rStack[targetRow]
if linked:
if layers[0].group is not targetLayer.group:
return
if bool(targetLayer.group) != linked:
return
# 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)
if self.currentWin is not None:
if not self.currentWin.isFloating():
#self.currentWin.hide()
self.currentWin = None
if hasattr(self.img.layersStack[activeStackIndex], "view"):
self.currentWin = self.img.layersStack[activeStackIndex].view
if self.currentWin is not None and activeLayer.visible:
self.currentWin.show()
self.currentWin.raise_()
# 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):
"""
return the context menu
@return:
@rtype: QMenu
"""
menu = QMenu()
menu.actionReset = QAction('Reset To Default', None)
menu.actionLoadImage = QAction('Load New Image', None)
menu.actionGroupSelection = QAction('Group Selection', None)
menu.actionAdd2Group = QAction('Add to Group', None)
# Active layer is not in a group or right clicked layer is in a group
menu.actionUnGroup = QAction('Ungroup', None)
# multiple selections
menu.actionMerge = QAction('Merge Lower', None)
# merge only adjustment layer with image layer
# don't dup adjustment layers
menu.actionUnselect = QAction('Unselect All', None)
menu.actionRepositionLayer = QAction('Reposition Layer(s)', None)
menu.actionColorMaskEnable = QAction('Color Mask', None)
menu.actionOpacityMaskEnable = QAction('Opacity Mask', None)
menu.actionClippingMaskEnable = QAction('Clipping Mask', None)
menu.actionMaskDisable = QAction('Disable Mask', None)
menu.actionMaskInvert = QAction('Invert Mask', None)
menu.actionMaskReset = QAction('Clear Mask', 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.actionColorMaskEnable.setCheckable(True)
menu.actionOpacityMaskEnable.setCheckable(True)
menu.actionClippingMaskEnable.setCheckable(True)
menu.actionMaskDisable.setCheckable(True)
####################
# Build menu
###################
# group/ungroup
menu.addAction(menu.actionAdd2Group)
menu.addAction(menu.actionGroupSelection)
menu.addAction(menu.actionUnGroup)
menu.addSeparator()
menu.addAction(menu.actionUnselect)
menu.addSeparator()
menu.addAction(menu.actionRepositionLayer)
menu.addSeparator()
# layer
menu.addAction(menu.actionImageCopy)
menu.addAction(menu.actionImagePaste)
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.actionMaskInvert)
menu.addAction(menu.actionMaskReset)
menu.addAction(menu.actionMaskCopy)
menu.addAction(menu.actionMaskPaste)
menu.addAction(menu.actionMaskDilate)
menu.addAction(menu.actionMaskErode)
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 fresh context menu
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]
group = [] # TODO added 5/11/18 validate
if layers:
group = layers[0].group
for l in layers:
# different groups
if l.group and group:
if l.group is not group:
dlgWarn("Select a single group")
return
# 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.actionGroupSelection.setEnabled(not (len(rows) < 2 or any(
l.group for l in layers)))
self.cMenu.actionAdd2Group.setEnabled(not (group or layer.group))
self.cMenu.actionUnGroup.setEnabled(bool(layer.group))
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.actionUnselect.setEnabled(layer.rect is None)
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())
# Event handlers
def f():
self.opacitySlider.show()
def unselectAll():
layer.rect = None
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 loadImage():
return # TODO 26/06/18 action to remove from menu? replaced by new image layer
filename = openDlg(window)
img = QImage(filename)
layer.thumb = None
layer.setImage(img)
def add2Group():
layer.group = group
layer.mask = group[0].mask
layer.maskIsEnabled = True
layer.maskIsSelected = True
def groupSelection():
layers = [rStack[i] for i in sorted(rows)]
if any(l.group for l in layers):
dlgWarn("Some layers are already grouped. Ungroup first")
return
mask = layers[0].mask
for l in layers:
l.group = layers
l.mask = mask
l.maskIsEnabled = True
l.maskIsSelected = False
def unGroup():
group = layer.group.copy()
for l in group:
l.unlinkMask()
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
layer.applyToStack()
self.img.onImageChanged()
def opacityMaskEnable():
testUpperVisibility()
layer.maskIsEnabled = True
layer.maskIsSelected = False
layer.applyToStack()
self.img.onImageChanged()
def clippingMaskEnable():
layer.maskIsEnabled = True
layer.maskIsSelected = False
layer.isClipping = True
layer.applyToStack()
self.img.onImageChanged()
def maskDisable():
layer.maskIsEnabled = False
layer.maskIsSelected = False
layer.isClipping = False # TODO added 28/11/18
layer.applyToStack()
self.img.onImageChanged()
def maskInvert():
layer.invertMask()
# update mask stack
layer.applyToStack()
#for l in self.img.layersStack:
#l.updatePixmap(maskOnly=True)
self.img.onImageChanged()
def maskReset():
layer.resetMask()
# update mask stack
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
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.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():
kernel = np.ones((5, 5), np.uint8)
buf = QImageBuffer(layer.mask)
# CAUTION erode decreases values (min filter), so it extends the masked part of the image
buf[:, :, 2] = cv2.erode(buf[:, :, 2], kernel, iterations=1)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.onImageChanged()
def maskErode():
kernel = np.ones((5, 5), np.uint8)
buf = QImageBuffer(layer.mask)
# CAUTION dilate increases values (max filter), so it reduces the masked part of the image
buf[:, :, 2] = cv2.dilate(buf[:, :, 2], kernel, iterations=1)
for l in self.img.layersStack:
l.updatePixmap(maskOnly=True)
self.img.onImageChanged()
def layerReset():
view = layer.getGraphicsForm()
if hasattr(view, 'reset'):
view.reset()
self.cMenu.actionRepositionLayer.triggered.connect(RepositionLayer)
self.cMenu.actionUnselect.triggered.connect(unselectAll)
self.cMenu.actionLoadImage.triggered.connect(loadImage)
self.cMenu.actionAdd2Group.triggered.connect(add2Group)
self.cMenu.actionGroupSelection.triggered.connect(groupSelection)
self.cMenu.actionUnGroup.triggered.connect(unGroup)
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.actionMaskInvert.triggered.connect(maskInvert)
self.cMenu.actionMaskReset.triggered.connect(maskReset)
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.actionReset.triggered.connect(layerReset)
self.cMenu.exec_(event.globalPos())
# update table
for row in rows:
self.updateRow(row)