def applyMargin(rect, margin):
result = QRect(rect)
result.setLeft(result.left()+margin)
result.setRight(result.right()-margin)
result.setTop(result.top()+margin)
result.setBottom(result.bottom()-margin)
return result
def __paintEventNoStyle(self):
p = QPainter(self)
opt = QStyleOptionToolButton()
self.initStyleOption(opt)
fm = QFontMetrics(opt.font)
palette = opt.palette
# highlight brush is used as the background for the icon and background
# when the tab is expanded and as mouse hover color (lighter).
brush_highlight = palette.highlight()
if opt.state & QStyle.State_Sunken:
# State 'down' pressed during a mouse press (slightly darker).
background_brush = brush_darker(brush_highlight, 110)
elif opt.state & QStyle.State_MouseOver:
background_brush = brush_darker(brush_highlight, 95)
elif opt.state & QStyle.State_On:
background_brush = brush_highlight
else:
# The default button brush.
background_brush = palette.button()
rect = opt.rect
icon = opt.icon
icon_size = opt.iconSize
# TODO: add shift for pressed as set by the style (PM_ButtonShift...)
pm = None
if not icon.isNull():
if opt.state & QStyle.State_Enabled:
mode = QIcon.Normal
else:
mode = QIcon.Disabled
pm = opt.icon.pixmap(
rect.size().boundedTo(icon_size), mode,
QIcon.On if opt.state & QStyle.State_On else QIcon.Off)
icon_area_rect = QRect(rect)
icon_area_rect.setRight(int(icon_area_rect.height() * 1.26))
text_rect = QRect(rect)
text_rect.setLeft(icon_area_rect.right() + 10)
# Background (TODO: Should the tab button have native
# toolbutton shape, drawn using PE_PanelButtonTool or even
# QToolBox tab shape)
# Default outline pen
pen = QPen(palette.color(QPalette.Mid))
p.save()
p.setPen(Qt.NoPen)
p.setBrush(QBrush(background_brush))
p.drawRect(rect)
# Draw the background behind the icon if the background_brush
# is different.
if not opt.state & QStyle.State_On:
p.setBrush(brush_highlight)
p.drawRect(icon_area_rect)
# Line between the icon and text
p.setPen(pen)
p.drawLine(icon_area_rect.topRight(), icon_area_rect.bottomRight())
if opt.state & QStyle.State_HasFocus:
# Set the focus frame pen and draw the border
pen = QPen(QColor(FOCUS_OUTLINE_COLOR))
p.setPen(pen)
p.setBrush(Qt.NoBrush)
# Adjust for pen
rect = rect.adjusted(0, 0, -1, -1)
p.drawRect(rect)
else:
p.setPen(pen)
# Draw the top/bottom border
if self.position == QStyleOptionToolBoxV2.OnlyOneTab or \
self.position == QStyleOptionToolBoxV2.Beginning or \
self.selected & \
QStyleOptionToolBoxV2.PreviousIsSelected:
p.drawLine(rect.topLeft(), rect.topRight())
p.drawLine(rect.bottomLeft(), rect.bottomRight())
p.restore()
p.save()
text = fm.elidedText(opt.text, Qt.ElideRight, text_rect.width())
p.setPen(QPen(palette.color(QPalette.ButtonText)))
p.setFont(opt.font)
p.drawText(text_rect,
int(Qt.AlignVCenter | Qt.AlignLeft) | \
int(Qt.TextSingleLine),
text)
if pm:
pm_rect = QRect(QPoint(0, 0), pm.size())
centered_rect = QRect(pm_rect)
centered_rect.moveCenter(icon_area_rect.center())
p.drawPixmap(centered_rect, pm, pm_rect)
p.restore()
class BrushingModel(QObject):
brushSizeChanged = pyqtSignal(int)
brushColorChanged = pyqtSignal(QColor)
brushStrokeAvailable = pyqtSignal(QPointF, object)
drawnNumberChanged = pyqtSignal(int)
minBrushSize = 1
maxBrushSize = 61
defaultBrushSize = 3
defaultDrawnNumber = 1
defaultColor = Qt.white
erasingColor = Qt.black
erasingNumber = 100
def __init__(self, parent=None):
QObject.__init__(self, parent=parent)
self.sliceRect = None
self.bb = QRect() #bounding box enclosing the drawing
self.brushSize = self.defaultBrushSize
self.drawColor = self.defaultColor
self._temp_color = None
self._temp_number = None
self.drawnNumber = self.defaultDrawnNumber
self.pos = None
self.erasing = False
self._hasMoved = False
self.drawOnto = None
#an empty scene, where we add all drawn line segments
#a QGraphicsLineItem, and which we can use to then
#render to an image
self.scene = QGraphicsScene()
def toggleErase(self):
self.erasing = not(self.erasing)
if self.erasing:
self.setErasing()
else:
self.disableErasing()
def setErasing(self):
self.erasing = True
self._temp_color = self.drawColor
self._temp_number = self.drawnNumber
self.setBrushColor(self.erasingColor)
self.brushColorChanged.emit(self.erasingColor)
self.setDrawnNumber(self.erasingNumber)
def disableErasing(self):
self.erasing = False
self.setBrushColor(self._temp_color)
self.brushColorChanged.emit(self.drawColor)
self.setDrawnNumber(self._temp_number)
def setBrushSize(self, size):
self.brushSize = size
self.brushSizeChanged.emit(self.brushSize)
def setDrawnNumber(self, num):
self.drawnNumber = num
self.drawnNumberChanged.emit(num)
def getBrushSize(self):
return self.brushSize
def brushSmaller(self):
b = self.brushSize
if b > self.minBrushSize:
self.setBrushSize(b-1)
def brushBigger(self):
b = self.brushSize
if self.brushSize < self.maxBrushSize:
self.setBrushSize(b+1)
def setBrushColor(self, color):
self.drawColor = color
self.brushColorChanged.emit(self.drawColor)
def beginDrawing(self, pos, sliceRect):
'''
pos -- QPointF-like
'''
self.sliceRect = sliceRect
self.scene.clear()
self.bb = QRect()
self.pos = QPointF(pos.x(), pos.y())
self._hasMoved = False
def endDrawing(self, pos):
has_moved = self._hasMoved # _hasMoved will change after calling moveTo
if has_moved:
self.moveTo(pos)
else:
assert(self.pos == pos)
self.moveTo(QPointF(pos.x()+0.0001, pos.y()+0.0001)) # move a little
tempi = QImage(QSize(self.bb.width(), self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
tempi.fill(0)
painter = QPainter(tempi)
self.scene.render(painter, target=QRectF(), source=QRectF(QPointF(self.bb.x(), self.bb.y()), QSizeF(self.bb.width(), self.bb.height())))
painter.end()
ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0]
labels = numpy.where(ndarr>0,numpy.uint8(self.drawnNumber),numpy.uint8(0))
labels = labels.swapaxes(0,1)
assert labels.shape[0] == self.bb.width()
assert labels.shape[1] == self.bb.height()
##
## ensure that at least one pixel is label when the brush size is 1
##
## this happens when the user just clicked without moving
## in that case the lineitem will be so tiny, that it won't be rendered
## into a single pixel by the code above
if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(labels) == 0:
labels[labels.shape[0]//2, labels.shape[1]//2] = self.drawnNumber
self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)
def dumpDraw(self, pos):
res = self.endDrawing(pos)
self.beginDrawing(pos, self.sliceRect)
return res
def moveTo(self, pos):
#data coordinates
oldX, oldY = self.pos.x(), self.pos.y()
x,y = pos.x(), pos.y()
line = QGraphicsLineItem(oldX, oldY, x, y)
line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
self.scene.addItem(line)
self._hasMoved = True
#update bounding Box
if not self.bb.isValid():
self.bb = QRect(QPoint(oldX,oldY), QSize(1,1))
#grow bounding box
self.bb.setLeft( min(self.bb.left(), max(0, x-self.brushSize/2-1) ) )
self.bb.setRight( max(self.bb.right(), min(self.sliceRect[0]-1, x+self.brushSize/2+1) ) )
self.bb.setTop( min(self.bb.top(), max(0, y-self.brushSize/2-1) ) )
self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize/2+1) ) )
#update/move position
self.pos = pos
def rebuild(self):
"""
Rebuilds the scene based on the current settings.
:param start | <QDate>
end | <QDate>
"""
gantt = self.ganttWidget()
start = gantt.dateStart()
end = gantt.dateEnd()
cell_width = gantt.cellWidth()
cell_height = gantt.cellHeight()
rect = self.sceneRect()
view = gantt.viewWidget()
height = rect.height()
header = gantt.treeWidget().header()
header_height = header.height()
if (not header.isVisible()):
header_height = 0
self._labels = []
self._hlines = []
self._vlines = []
self._weekendRects = []
self._bookedRects = []
self._unavailableRects = []
self._overbookedRects = []
self._underbookedRects = []
self._unassignedRects = []
self._holidayRects = []
self._currentDayRects = []
self._alternateRects = []
self._topLabels = []
# generate formatting info
top_format = 'MMM'
Week = 'd'
label_format = 'd'
increment = 1 # days
# generate vertical lines
x = 0
i = 0
half = header_height / 2.0
curr = start
top_label = start.toString(top_format)
top_rect = QRect(0, 0, 0, half)
alt_rect = None
while (curr < end):
# update the month rect
new_top_label = curr.toString(top_format)
if (new_top_label != top_label):
top_rect.setRight(x)
self._topLabels.append((top_rect, top_label))
top_rect = QRect(x, 0, 0, half)
top_label = new_top_label
if (alt_rect is not None):
alt_rect.setRight(x)
self._alternateRects.append(alt_rect)
alt_rect = None
else:
alt_rect = QRect(x, 0, 0, height)
# create the line
self._hlines.append(QLine(x, 0, x, height))
# create the header label/rect
label = str(curr.toString(label_format))
rect = QRect(x, half, cell_width, half)
self._labels.append((rect, label))
# store weekend rectangles
if (curr.dayOfWeek() in (6, 7)):
rect = QRect(x, 0, cell_width, height)
self._weekendRects.append(rect)
# store current day rectangle
elif (curr.toString("ddMMyyyy") == QDate.currentDate().toString(
"ddMMyyyy")):
rect = QRect(x, 0, cell_width, height)
self._currentDayRects.append(rect)
# store holiday rectangles
# increment the dates
curr = curr.addDays(increment)
x += cell_width
i += 1
self._maxOverbooked = 0
if gantt._availabilityEnabled:
#iterate through rows
for itemcount in range(0, gantt.topLevelItemCount()):
#check top item, then check child items
item = gantt.topLevelItem(itemcount)
if item._dbEntry is not None:
if item._dbEntry._type == "phase":
phase = item._dbEntry
for key in phase._availability.keys():
if QDate.fromString(key, "yyyy-MM-dd") >= start:
diff = start.daysTo(
QDate.fromString(key, "yyyy-MM-dd"))
rect = QRect(
(diff) * cell_width,
header_height + cell_height * (itemcount),
cell_width, cell_height)
if phase._availability[key] == 1:
self._underbookedRects.append(rect)
elif phase._availability[key] == 2:
self._bookedRects.append(rect)
elif phase._availability[key] > 2:
if self._maxOverbooked < int(
phase._availability[key]):
self._maxOverbooked = int(
phase._availability[key])
self._overbookedRects.append(
[rect,
int(phase._availability[key])])
'''
for pa in item._dbEntry._phaseAssignments.values():
for key in pa._availability.keys():
if pa._availability[key] > 8:
if QDate.fromString(key,"yyyy-MM-dd") >= start:
diff = start.daysTo(QDate.fromString(key,"yyyy-MM-dd"))
rect = QRect((diff)*cell_width, header_height+cell_height*(itemcount), cell_width, cell_height)
self._overbookedRects.append(rect)
'''
# update the month rect
top_rect.setRight(x)
top_label = end.toString(top_format)
self._topLabels.append((top_rect, top_label))
if (alt_rect is not None):
alt_rect.setRight(x)
self._alternateRects.append(alt_rect)
# resize the width to match the last date range
new_width = x
self.setSceneRect(0, 0, new_width, height)
# generate horizontal lines
y = 0
h = height
width = new_width
while (y < h):
self._vlines.append(QLine(0, y, width, y))
y += cell_height
# clear the dirty flag
self._dirty = False
class BrushingModel(QObject):
brushSizeChanged = pyqtSignal(int)
brushColorChanged = pyqtSignal(QColor)
brushStrokeAvailable = pyqtSignal(QPointF, object)
drawnNumberChanged = pyqtSignal(int)
minBrushSize = 1
maxBrushSize = 61
defaultBrushSize = 3
defaultDrawnNumber = 1
defaultColor = Qt.white
erasingColor = Qt.black
erasingNumber = 100
def __init__(self):
QObject.__init__(self)
self.sliceRect = None
self.bb = QRect() #bounding box enclosing the drawing
self.brushSize = self.defaultBrushSize
self.drawColor = self.defaultColor
self._temp_color = None
self._temp_number = None
self.drawnNumber = self.defaultDrawnNumber
self.pos = None
self.erasing = False
self.drawOnto = None
#an empty scene, where we add all drawn line segments
#a QGraphicsLineItem, and which we can use to then
#render to an image
self.scene = QGraphicsScene()
def toggleErase(self):
self.erasing = not(self.erasing)
if self.erasing:
self.setErasing()
else:
self.disableErasing()
def setErasing(self):
self.erasing = True
self._temp_color = self.drawColor
self._temp_number = self.drawnNumber
self.setBrushColor(self.erasingColor)
self.brushColorChanged.emit(self.erasingColor)
self.setDrawnNumber(self.erasingNumber)
def disableErasing(self):
self.erasing = False
self.setBrushColor(self._temp_color)
self.brushColorChanged.emit(self.drawColor)
self.setDrawnNumber(self._temp_number)
def setBrushSize(self, size):
self.brushSize = size
self.brushSizeChanged.emit(self.brushSize)
def setDrawnNumber(self, num):
print "Setting Drawnnumer", num
self.drawnNumber = num
self.drawnNumberChanged.emit(num)
def getBrushSize(self):
return self.brushSize
def brushSmaller(self):
b = self.brushSize
if b > self.minBrushSize:
self.setBrushSize(b-1)
def brushBigger(self):
b = self.brushSize
if self.brushSize < self.maxBrushSize:
self.setBrushSize(b+1)
def setBrushColor(self, color):
self.drawColor = color
self.brushColorChanged.emit(self.drawColor)
def beginDrawing(self, pos, sliceRect):
self.sliceRect = sliceRect
self.scene.clear()
self.bb = QRect()
self.pos = QPointF(pos.x()+0.0001, pos.y()+0.0001)
line = self.moveTo(pos)
return line
def endDrawing(self, pos):
self.moveTo(pos)
tempi = QImage(QSize(self.bb.width(), self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
tempi.fill(0)
painter = QPainter(tempi)
self.scene.render(painter, target=QRectF(), source=QRectF(QPointF(self.bb.x(), self.bb.y()), QSizeF(self.bb.width(), self.bb.height())))
painter.end()
ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0]
labels = numpy.where(ndarr>0,numpy.uint8(self.drawnNumber),numpy.uint8(0))
labels = labels.swapaxes(0,1)
assert labels.shape[0] == self.bb.width()
assert labels.shape[1] == self.bb.height()
self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)
def dumpDraw(self, pos):
res = self.endDrawing(pos)
self.beginDrawing(pos, self.sliceRect)
return res
def moveTo(self, pos):
oldX, oldY = self.pos.x(), self.pos.y()
x,y = pos.x(), pos.y()
#print "BrushingModel.moveTo(pos=%r)" % (pos)
line = QGraphicsLineItem(oldX, oldY, x, y)
line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
self.scene.addItem(line)
#update bounding Box
if not self.bb.isValid():
self.bb = QRect(QPoint(x,y), QSize(1,1))
#grow bounding box
self.bb.setLeft( min(self.bb.left(), max(0, x-self.brushSize/2-1) ) )
self.bb.setRight( max(self.bb.right(), min(self.sliceRect[0]-1, x+self.brushSize/2+1) ) )
self.bb.setTop( min(self.bb.top(), max(0, y-self.brushSize/2-1) ) )
self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize/2+1) ) )
#update/move position
self.pos = pos
class BrushingModel(QObject):
brushSizeChanged = pyqtSignal(int)
brushColorChanged = pyqtSignal(QColor)
brushStrokeAvailable = pyqtSignal(QPointF, object)
drawnNumberChanged = pyqtSignal(int)
minBrushSize = 1
maxBrushSize = 61
defaultBrushSize = 3
defaultDrawnNumber = 1
defaultColor = Qt.white
erasingColor = Qt.black
erasingNumber = 100
def __init__(self, parent=None):
QObject.__init__(self, parent=parent)
self.sliceRect = None
self.bb = QRect() #bounding box enclosing the drawing
self.brushSize = self.defaultBrushSize
self.drawColor = self.defaultColor
self._temp_color = None
self._temp_number = None
self.drawnNumber = self.defaultDrawnNumber
self.pos = None
self.erasing = False
self._hasMoved = False
self.drawOnto = None
#an empty scene, where we add all drawn line segments
#a QGraphicsLineItem, and which we can use to then
#render to an image
self.scene = QGraphicsScene()
def toggleErase(self):
self.erasing = not (self.erasing)
if self.erasing:
self.setErasing()
else:
self.disableErasing()
def setErasing(self):
self.erasing = True
self._temp_color = self.drawColor
self._temp_number = self.drawnNumber
self.setBrushColor(self.erasingColor)
self.brushColorChanged.emit(self.erasingColor)
self.setDrawnNumber(self.erasingNumber)
def disableErasing(self):
self.erasing = False
self.setBrushColor(self._temp_color)
self.brushColorChanged.emit(self.drawColor)
self.setDrawnNumber(self._temp_number)
def setBrushSize(self, size):
self.brushSize = size
self.brushSizeChanged.emit(self.brushSize)
def setDrawnNumber(self, num):
self.drawnNumber = num
self.drawnNumberChanged.emit(num)
def getBrushSize(self):
return self.brushSize
def brushSmaller(self):
b = self.brushSize
if b > self.minBrushSize:
self.setBrushSize(b - 1)
def brushBigger(self):
b = self.brushSize
if self.brushSize < self.maxBrushSize:
self.setBrushSize(b + 1)
def setBrushColor(self, color):
self.drawColor = color
self.brushColorChanged.emit(self.drawColor)
def beginDrawing(self, pos, sliceRect):
'''
pos -- QPointF-like
'''
self.sliceRect = sliceRect
self.scene.clear()
self.bb = QRect()
self.pos = QPointF(pos.x(), pos.y())
self._hasMoved = False
def endDrawing(self, pos):
has_moved = self._hasMoved # _hasMoved will change after calling moveTo
if has_moved:
self.moveTo(pos)
else:
assert (self.pos == pos)
self.moveTo(QPointF(pos.x() + 0.0001,
pos.y() + 0.0001)) # move a little
# Qt seems to use strange rules for determining which pixels to set when rendering a brush stroke to a QImage.
# We seem to get better results if we do the following:
# 1) Slightly offset the source window because apparently there is a small shift in the data
# 2) Render the scene to an image that is MUCH larger than the scene resolution (4x by 4x)
# 3) Downsample each 4x4 patch from the large image back to a single pixel in the final image,
# applying some threshold to determine if the final pixel is on or off.
tempi = QImage(QSize(4 * self.bb.width(), 4 * self.bb.height()),
QImage.Format_ARGB32_Premultiplied) #TODO: format
tempi.fill(0)
painter = QPainter(tempi)
# Offset the source window. At first I thought the right offset was 0.5, because
# that would seem to make sure points are rounded to pixel CENTERS, but
# experimentation indicates that 0.25 is slightly better for some reason...
source_rect = QRectF(QPointF(self.bb.x() + 0.25,
self.bb.y() + 0.25),
QSizeF(self.bb.width(), self.bb.height()))
target_rect = QRectF(QPointF(0, 0),
QSizeF(4 * self.bb.width(), 4 * self.bb.height()))
self.scene.render(painter, target=target_rect, source=source_rect)
painter.end()
# Now downsample: convert each 4x4 patch into a single pixel by summing and dividing
ndarr = qimage2ndarray.rgb_view(tempi)[:, :, 0].astype(int)
ndarr = ndarr.reshape((ndarr.shape[0], ) + (ndarr.shape[1] // 4, ) +
(4, ))
ndarr = ndarr.sum(axis=-1)
ndarr = ndarr.transpose()
ndarr = ndarr.reshape((ndarr.shape[0], ) + (ndarr.shape[1] // 4, ) +
(4, ))
ndarr = ndarr.sum(axis=-1)
ndarr = ndarr.transpose()
ndarr //= 4 * 4
downsample_threshold = (7. / 16) * 255
labels = numpy.where(ndarr >= downsample_threshold,
numpy.uint8(self.drawnNumber), numpy.uint8(0))
labels = labels.swapaxes(0, 1)
assert labels.shape[0] == self.bb.width()
assert labels.shape[1] == self.bb.height()
##
## ensure that at least one pixel is label when the brush size is 1
##
## this happens when the user just clicked without moving
## in that case the lineitem will be so tiny, that it won't be rendered
## into a single pixel by the code above
if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(
labels) == 0:
labels[labels.shape[0] // 2,
labels.shape[1] // 2] = self.drawnNumber
self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()),
labels)
def dumpDraw(self, pos):
res = self.endDrawing(pos)
self.beginDrawing(pos, self.sliceRect)
return res
def moveTo(self, pos):
#data coordinates
oldX, oldY = self.pos.x(), self.pos.y()
x, y = pos.x(), pos.y()
line = QGraphicsLineItem(oldX, oldY, x, y)
line.setPen(
QPen(QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap,
Qt.RoundJoin))
self.scene.addItem(line)
self._hasMoved = True
#update bounding Box
if not self.bb.isValid():
self.bb = QRect(QPoint(oldX, oldY), QSize(1, 1))
#grow bounding box
self.bb.setLeft(
min(self.bb.left(), max(0, x - self.brushSize // 2 - 1)))
self.bb.setRight(
max(self.bb.right(),
min(self.sliceRect[0] - 1, x + self.brushSize // 2 + 1)))
self.bb.setTop(min(self.bb.top(), max(0, y - self.brushSize // 2 - 1)))
self.bb.setBottom(
max(self.bb.bottom(),
min(self.sliceRect[1] - 1, y + self.brushSize // 2 + 1)))
#update/move position
self.pos = pos
class BrushingModel(QObject):
brushSizeChanged = pyqtSignal(int)
brushColorChanged = pyqtSignal(QColor)
brushStrokeAvailable = pyqtSignal(QPointF, object)
drawnNumberChanged = pyqtSignal(int)
minBrushSize = 1
maxBrushSize = 61
defaultBrushSize = 3
defaultDrawnNumber = 1
defaultColor = Qt.white
erasingColor = Qt.black
erasingNumber = 100
def __init__(self, parent=None):
QObject.__init__(self, parent=parent)
self.sliceRect = None
self.bb = QRect() #bounding box enclosing the drawing
self.brushSize = self.defaultBrushSize
self.drawColor = self.defaultColor
self._temp_color = None
self._temp_number = None
self.drawnNumber = self.defaultDrawnNumber
self.pos = None
self.erasing = False
self._hasMoved = False
self.drawOnto = None
#an empty scene, where we add all drawn line segments
#a QGraphicsLineItem, and which we can use to then
#render to an image
self.scene = QGraphicsScene()
def toggleErase(self):
self.erasing = not (self.erasing)
if self.erasing:
self.setErasing()
else:
self.disableErasing()
def setErasing(self):
self.erasing = True
self._temp_color = self.drawColor
self._temp_number = self.drawnNumber
self.setBrushColor(self.erasingColor)
self.brushColorChanged.emit(self.erasingColor)
self.setDrawnNumber(self.erasingNumber)
def disableErasing(self):
self.erasing = False
self.setBrushColor(self._temp_color)
self.brushColorChanged.emit(self.drawColor)
self.setDrawnNumber(self._temp_number)
def setBrushSize(self, size):
self.brushSize = size
self.brushSizeChanged.emit(self.brushSize)
def setDrawnNumber(self, num):
self.drawnNumber = num
self.drawnNumberChanged.emit(num)
def getBrushSize(self):
return self.brushSize
def brushSmaller(self):
b = self.brushSize
if b > self.minBrushSize:
self.setBrushSize(b - 1)
def brushBigger(self):
b = self.brushSize
if self.brushSize < self.maxBrushSize:
self.setBrushSize(b + 1)
def setBrushColor(self, color):
self.drawColor = color
self.brushColorChanged.emit(self.drawColor)
def beginDrawing(self, pos, sliceRect):
'''
pos -- QPointF-like
'''
self.sliceRect = sliceRect
self.scene.clear()
self.bb = QRect()
self.pos = QPointF(pos.x(), pos.y())
self._hasMoved = False
def endDrawing(self, pos):
has_moved = self._hasMoved # _hasMoved will change after calling moveTo
if has_moved:
self.moveTo(pos)
else:
assert (self.pos == pos)
self.moveTo(QPointF(pos.x() + 0.0001,
pos.y() + 0.0001)) # move a little
tempi = QImage(QSize(self.bb.width(), self.bb.height()),
QImage.Format_ARGB32_Premultiplied) #TODO: format
tempi.fill(0)
painter = QPainter(tempi)
self.scene.render(painter,
target=QRectF(),
source=QRectF(
QPointF(self.bb.x(), self.bb.y()),
QSizeF(self.bb.width(), self.bb.height())))
painter.end()
ndarr = qimage2ndarray.rgb_view(tempi)[:, :, 0]
labels = numpy.where(ndarr > 0, numpy.uint8(self.drawnNumber),
numpy.uint8(0))
labels = labels.swapaxes(0, 1)
assert labels.shape[0] == self.bb.width()
assert labels.shape[1] == self.bb.height()
##
## ensure that at least one pixel is label when the brush size is 1
##
## this happens when the user just clicked without moving
## in that case the lineitem will be so tiny, that it won't be rendered
## into a single pixel by the code above
if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(
labels) == 0:
labels[labels.shape[0] // 2,
labels.shape[1] // 2] = self.drawnNumber
self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()),
labels)
def dumpDraw(self, pos):
res = self.endDrawing(pos)
self.beginDrawing(pos, self.sliceRect)
return res
def moveTo(self, pos):
#data coordinates
oldX, oldY = self.pos.x(), self.pos.y()
x, y = pos.x(), pos.y()
line = QGraphicsLineItem(oldX, oldY, x, y)
line.setPen(
QPen(QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap,
Qt.RoundJoin))
self.scene.addItem(line)
self._hasMoved = True
#update bounding Box
if not self.bb.isValid():
self.bb = QRect(QPoint(oldX, oldY), QSize(1, 1))
#grow bounding box
self.bb.setLeft(min(self.bb.left(), max(0,
x - self.brushSize / 2 - 1)))
self.bb.setRight(
max(self.bb.right(),
min(self.sliceRect[0] - 1, x + self.brushSize / 2 + 1)))
self.bb.setTop(min(self.bb.top(), max(0, y - self.brushSize / 2 - 1)))
self.bb.setBottom(
max(self.bb.bottom(),
min(self.sliceRect[1] - 1, y + self.brushSize / 2 + 1)))
#update/move position
self.pos = pos
class BrushingModel(QObject):
brushSizeChanged = pyqtSignal(int)
brushColorChanged = pyqtSignal(QColor)
brushStrokeAvailable = pyqtSignal(QPointF, object)
drawnNumberChanged = pyqtSignal(int)
minBrushSize = 1
maxBrushSize = 61
defaultBrushSize = 3
defaultDrawnNumber = 1
defaultColor = Qt.white
erasingColor = Qt.black
erasingNumber = 100
def __init__(self, parent=None):
QObject.__init__(self, parent=parent)
self.sliceRect = None
self.bb = QRect() #bounding box enclosing the drawing
self.brushSize = self.defaultBrushSize
self.drawColor = self.defaultColor
self._temp_color = None
self._temp_number = None
self.drawnNumber = self.defaultDrawnNumber
self.pos = None
self.erasing = False
self._hasMoved = False
self.drawOnto = None
#an empty scene, where we add all drawn line segments
#a QGraphicsLineItem, and which we can use to then
#render to an image
self.scene = QGraphicsScene()
def toggleErase(self):
self.erasing = not(self.erasing)
if self.erasing:
self.setErasing()
else:
self.disableErasing()
def setErasing(self):
self.erasing = True
self._temp_color = self.drawColor
self._temp_number = self.drawnNumber
self.setBrushColor(self.erasingColor)
self.brushColorChanged.emit(self.erasingColor)
self.setDrawnNumber(self.erasingNumber)
def disableErasing(self):
self.erasing = False
self.setBrushColor(self._temp_color)
self.brushColorChanged.emit(self.drawColor)
self.setDrawnNumber(self._temp_number)
def setBrushSize(self, size):
self.brushSize = size
self.brushSizeChanged.emit(self.brushSize)
def setDrawnNumber(self, num):
self.drawnNumber = num
self.drawnNumberChanged.emit(num)
def getBrushSize(self):
return self.brushSize
def brushSmaller(self):
b = self.brushSize
if b > self.minBrushSize:
self.setBrushSize(b-1)
def brushBigger(self):
b = self.brushSize
if self.brushSize < self.maxBrushSize:
self.setBrushSize(b+1)
def setBrushColor(self, color):
self.drawColor = color
self.brushColorChanged.emit(self.drawColor)
def beginDrawing(self, pos, sliceRect):
'''
pos -- QPointF-like
'''
self.sliceRect = sliceRect
self.scene.clear()
self.bb = QRect()
self.pos = QPointF(pos.x(), pos.y())
self._hasMoved = False
def endDrawing(self, pos):
has_moved = self._hasMoved # _hasMoved will change after calling moveTo
if has_moved:
self.moveTo(pos)
else:
assert(self.pos == pos)
self.moveTo(QPointF(pos.x()+0.0001, pos.y()+0.0001)) # move a little
# Qt seems to use strange rules for determining which pixels to set when rendering a brush stroke to a QImage.
# We seem to get better results if we do the following:
# 1) Slightly offset the source window because apparently there is a small shift in the data
# 2) Render the scene to an image that is MUCH larger than the scene resolution (4x by 4x)
# 3) Downsample each 4x4 patch from the large image back to a single pixel in the final image,
# applying some threshold to determine if the final pixel is on or off.
tempi = QImage(QSize(4*self.bb.width(), 4*self.bb.height()), QImage.Format_ARGB32_Premultiplied) #TODO: format
tempi.fill(0)
painter = QPainter(tempi)
# Offset the source window. At first I thought the right offset was 0.5, because
# that would seem to make sure points are rounded to pixel CENTERS, but
# experimentation indicates that 0.25 is slightly better for some reason...
source_rect = QRectF( QPointF(self.bb.x()+0.25, self.bb.y()+0.25),
QSizeF(self.bb.width(), self.bb.height()) )
target_rect = QRectF( QPointF(0,0),
QSizeF(4*self.bb.width(), 4*self.bb.height()) )
self.scene.render(painter, target=target_rect, source=source_rect)
painter.end()
# Now downsample: convert each 4x4 patch into a single pixel by summing and dividing
ndarr = qimage2ndarray.rgb_view(tempi)[:,:,0].astype(int)
ndarr = ndarr.reshape( (ndarr.shape[0],) + (ndarr.shape[1]//4,) + (4,) )
ndarr = ndarr.sum(axis=-1)
ndarr = ndarr.transpose()
ndarr = ndarr.reshape( (ndarr.shape[0],) + (ndarr.shape[1]//4,) + (4,) )
ndarr = ndarr.sum(axis=-1)
ndarr = ndarr.transpose()
ndarr //= 4*4
downsample_threshold = (7./16)*255
labels = numpy.where(ndarr>=downsample_threshold, numpy.uint8(self.drawnNumber), numpy.uint8(0))
labels = labels.swapaxes(0,1)
assert labels.shape[0] == self.bb.width()
assert labels.shape[1] == self.bb.height()
##
## ensure that at least one pixel is label when the brush size is 1
##
## this happens when the user just clicked without moving
## in that case the lineitem will be so tiny, that it won't be rendered
## into a single pixel by the code above
if not has_moved and self.brushSize <= 1 and numpy.count_nonzero(labels) == 0:
labels[labels.shape[0]//2, labels.shape[1]//2] = self.drawnNumber
self.brushStrokeAvailable.emit(QPointF(self.bb.x(), self.bb.y()), labels)
def dumpDraw(self, pos):
res = self.endDrawing(pos)
self.beginDrawing(pos, self.sliceRect)
return res
def moveTo(self, pos):
#data coordinates
oldX, oldY = self.pos.x(), self.pos.y()
x,y = pos.x(), pos.y()
line = QGraphicsLineItem(oldX, oldY, x, y)
line.setPen(QPen( QBrush(Qt.white), self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin))
self.scene.addItem(line)
self._hasMoved = True
#update bounding Box
if not self.bb.isValid():
self.bb = QRect(QPoint(oldX,oldY), QSize(1,1))
#grow bounding box
self.bb.setLeft( min(self.bb.left(), max(0, x-self.brushSize//2-1) ) )
self.bb.setRight( max(self.bb.right(), min(self.sliceRect[0]-1, x+self.brushSize//2+1) ) )
self.bb.setTop( min(self.bb.top(), max(0, y-self.brushSize//2-1) ) )
self.bb.setBottom(max(self.bb.bottom(), min(self.sliceRect[1]-1, y+self.brushSize//2+1) ) )
#update/move position
self.pos = pos
def rebuild( self ):
"""
Rebuilds the scene based on the current settings.
:param start | <QDate>
end | <QDate>
"""
gantt = self.ganttWidget()
start = gantt.dateStart()
end = gantt.dateEnd()
cell_width = gantt.cellWidth()
cell_height = gantt.cellHeight()
rect = self.sceneRect()
view = gantt.viewWidget()
height = rect.height()
header = gantt.treeWidget().header()
header_height = header.height()
if ( not header.isVisible() ):
header_height = 0
self._labels = []
self._hlines = []
self._vlines = []
self._weekendRects = []
self._bookedRects = []
self._unavailableRects = []
self._overbookedRects = []
self._underbookedRects = []
self._unassignedRects = []
self._holidayRects = []
self._currentDayRects = []
self._alternateRects = []
self._topLabels = []
# generate formatting info
top_format = 'MMM'
Week = 'd'
label_format = 'd'
increment = 1 # days
# generate vertical lines
x = 0
i = 0
half = header_height / 2.0
curr = start
top_label = start.toString(top_format)
top_rect = QRect(0, 0, 0, half)
alt_rect = None
while ( curr < end ):
# update the month rect
new_top_label = curr.toString(top_format)
if ( new_top_label != top_label ):
top_rect.setRight(x)
self._topLabels.append((top_rect, top_label))
top_rect = QRect(x, 0, 0, half)
top_label = new_top_label
if ( alt_rect is not None ):
alt_rect.setRight(x)
self._alternateRects.append(alt_rect)
alt_rect = None
else:
alt_rect = QRect(x, 0, 0, height)
# create the line
self._hlines.append(QLine(x, 0, x, height))
# create the header label/rect
label = str(curr.toString(label_format))
rect = QRect(x, half, cell_width, half)
self._labels.append((rect, label))
# store weekend rectangles
if ( curr.dayOfWeek() in (6, 7) ):
rect = QRect(x, 0, cell_width, height)
self._weekendRects.append(rect)
# store current day rectangle
elif ( curr.toString("ddMMyyyy") == QDate.currentDate().toString("ddMMyyyy") ):
rect = QRect(x, 0, cell_width, height)
self._currentDayRects.append(rect)
# store holiday rectangles
# increment the dates
curr = curr.addDays(increment)
x += cell_width
i += 1
if gantt._availabilityEnabled:
#iterate through rows
for itemcount in range(0,gantt.topLevelItemCount()):
#check top item, then check child items
item = gantt.topLevelItem(itemcount)
if item._dbEntry is not None:
if item._dbEntry._type == "phase":
phase = item._dbEntry
for key in phase._availability.keys():
if QDate.fromString(key,"yyyy-MM-dd") >= start:
diff = start.daysTo(QDate.fromString(key,"yyyy-MM-dd"))
rect = QRect((diff)*cell_width, header_height+cell_height*(itemcount), cell_width, cell_height)
if phase._availability[key] == 1:
self._underbookedRects.append(rect)
elif phase._availability[key] == 2:
self._bookedRects.append(rect)
elif phase._availability[key] == 3:
self._overbookedRects.append(rect)
'''
for pa in item._dbEntry._phaseAssignments.values():
for key in pa._availability.keys():
if pa._availability[key] > 8:
if QDate.fromString(key,"yyyy-MM-dd") >= start:
diff = start.daysTo(QDate.fromString(key,"yyyy-MM-dd"))
rect = QRect((diff)*cell_width, header_height+cell_height*(itemcount), cell_width, cell_height)
self._overbookedRects.append(rect)
'''
# update the month rect
top_rect.setRight(x)
top_label = end.toString(top_format)
self._topLabels.append((top_rect, top_label))
if ( alt_rect is not None ):
alt_rect.setRight(x)
self._alternateRects.append(alt_rect)
# resize the width to match the last date range
new_width = x
self.setSceneRect(0, 0, new_width, height)
# generate horizontal lines
y = 0
h = height
width = new_width
while ( y < h ):
self._vlines.append(QLine(0, y, width, y))
y += cell_height
# clear the dirty flag
self._dirty = False
def __paintEventNoStyle(self):
p = QPainter(self)
opt = QStyleOptionToolButton()
self.initStyleOption(opt)
fm = QFontMetrics(opt.font)
palette = opt.palette
# highlight brush is used as the background for the icon and background
# when the tab is expanded and as mouse hover color (lighter).
brush_highlight = palette.highlight()
if opt.state & QStyle.State_Sunken:
# State 'down' pressed during a mouse press (slightly darker).
background_brush = brush_darker(brush_highlight, 110)
elif opt.state & QStyle.State_MouseOver:
background_brush = brush_darker(brush_highlight, 95)
elif opt.state & QStyle.State_On:
background_brush = brush_highlight
else:
# The default button brush.
background_brush = palette.button()
rect = opt.rect
icon = opt.icon
icon_size = opt.iconSize
# TODO: add shift for pressed as set by the style (PM_ButtonShift...)
pm = None
if not icon.isNull():
if opt.state & QStyle.State_Enabled:
mode = QIcon.Normal
else:
mode = QIcon.Disabled
pm = opt.icon.pixmap(
rect.size().boundedTo(icon_size), mode,
QIcon.On if opt.state & QStyle.State_On else QIcon.Off)
icon_area_rect = QRect(rect)
icon_area_rect.setRight(int(icon_area_rect.height() * 1.26))
text_rect = QRect(rect)
text_rect.setLeft(icon_area_rect.right() + 10)
# Background (TODO: Should the tab button have native
# toolbutton shape, drawn using PE_PanelButtonTool or even
# QToolBox tab shape)
# Default outline pen
pen = QPen(palette.color(QPalette.Mid))
p.save()
p.setPen(Qt.NoPen)
p.setBrush(QBrush(background_brush))
p.drawRect(rect)
# Draw the background behind the icon if the background_brush
# is different.
if not opt.state & QStyle.State_On:
p.setBrush(brush_highlight)
p.drawRect(icon_area_rect)
# Line between the icon and text
p.setPen(pen)
p.drawLine(icon_area_rect.topRight(),
icon_area_rect.bottomRight())
if opt.state & QStyle.State_HasFocus:
# Set the focus frame pen and draw the border
pen = QPen(QColor(FOCUS_OUTLINE_COLOR))
p.setPen(pen)
p.setBrush(Qt.NoBrush)
# Adjust for pen
rect = rect.adjusted(0, 0, -1, -1)
p.drawRect(rect)
else:
p.setPen(pen)
# Draw the top/bottom border
if self.position == QStyleOptionToolBoxV2.OnlyOneTab or \
self.position == QStyleOptionToolBoxV2.Beginning or \
self.selected & \
QStyleOptionToolBoxV2.PreviousIsSelected:
p.drawLine(rect.topLeft(), rect.topRight())
p.drawLine(rect.bottomLeft(), rect.bottomRight())
p.restore()
p.save()
text = fm.elidedText(opt.text, Qt.ElideRight, text_rect.width())
p.setPen(QPen(palette.color(QPalette.ButtonText)))
p.setFont(opt.font)
p.drawText(text_rect,
int(Qt.AlignVCenter | Qt.AlignLeft) | \
int(Qt.TextSingleLine),
text)
if pm:
pm_rect = QRect(QPoint(0, 0), pm.size())
centered_rect = QRect(pm_rect)
centered_rect.moveCenter(icon_area_rect.center())
p.drawPixmap(centered_rect, pm, pm_rect)
p.restore()
