def _paint_selection(self, painter): '''Draws the current user selection''' rectangle = QRectF() # User drags right to left if self.start_x > self.current_x: rectangle.setLeft(self.current_x) rectangle.setRight(self.start_x) # User drags left to right else: rectangle.setLeft(self.start_x) rectangle.setRight(self.current_x) # User drags bottom to top if self.start_y > self.current_y: rectangle.setTop(self.current_y) rectangle.setBottom(self.start_y) # User drags top to bottom else: rectangle.setTop(self.start_y) rectangle.setBottom(self.current_y) painter.drawPixmap(rectangle, self.bg, rectangle) painter.drawRect(rectangle)
def __activeControlMoved(self, pos): # The active control point has moved, update the control # rectangle control = self.__activeControl pos = control.pos() rect = QRectF(self.__rect) margins = self.__margins # TODO: keyboard modifiers and constraints. anchor = control.anchor() if anchor & ControlPoint.Top: rect.setTop(pos.y() + margins.top()) elif anchor & ControlPoint.Bottom: rect.setBottom(pos.y() - margins.bottom()) if anchor & ControlPoint.Left: rect.setLeft(pos.x() + margins.left()) elif anchor & ControlPoint.Right: rect.setRight(pos.x() - margins.right()) changed = self.__rect != rect self.blockSignals(True) self.setRect(rect) self.blockSignals(False) if changed: self.rectEdited.emit(rect.normalized())
def toSearchRect(self, point): size = 20 rect = QRectF() rect.setLeft(point.x() - size) rect.setRight(point.x() + size) rect.setTop(point.y() - size) rect.setBottom(point.y() + size) transform = self.canvas.getCoordinateTransform() ll = transform.toMapCoordinates(rect.left(), rect.bottom()) ur = transform.toMapCoordinates(rect.right(), rect.top()) rect = QgsRectangle(ur, ll) return rect
def paint(self, painter, option, index): """custom painter for progress state """ if index.column() == 1: # get value progress = index.model().data(index,Qt.DisplayRole) # calculate where to put the painted rect fullRect = option.rect center = fullRect.center() newRect = QRectF() newRect.setTop( center.y() - 5 ) newRect.setBottom( center.y() + 5 ) newRect.setLeft( center.x() - 10 ) newRect.setRight( center.x() + 10 ) color = self._getColorForProgress(progress) # paint painter.save() painter.fillRect(newRect, color) painter.translate(option.rect.x(), option.rect.y()+5) painter.restore() else: QItemDelegate.paint(self,painter,option,index)
def rebuild( self ): """ Rebuilds the data for this scene to draw with. """ global XChartWidgetItem if ( XChartWidgetItem is None ): from projexui.widgets.xchartwidget.xchartwidgetitem \ import XChartWidgetItem self._buildData = {} # build the grid location x = 8 y = 8 w = self.sceneRect().width() h = self.sceneRect().height() hpad = self.horizontalPadding() vpad = self.verticalPadding() hmax = self.horizontalRuler().maxNotchSize(Qt.Horizontal) left_offset = hpad + self.verticalRuler().maxNotchSize(Qt.Vertical) right_offset = left_offset + hpad top_offset = vpad bottom_offset = top_offset + vpad + hmax left = x + left_offset right = w - right_offset top = y + top_offset bottom = h - bottom_offset rect = QRectF() rect.setLeft(left) rect.setRight(right) rect.setBottom(bottom) rect.setTop(top) self._buildData['grid_rect'] = rect # rebuild the ruler data self.rebuildGrid() self._dirty = False # rebuild all the items padding = self.horizontalPadding() + self.verticalPadding() grid = self.sceneRect() filt = lambda x: isinstance(x, XChartWidgetItem) items = filter(filt, self.items()) height = float(grid.height()) if height == 0: ratio = 1 else: ratio = grid.width() / height count = len(items) if ( not count ): return if ( ratio >= 1 ): radius = (grid.height() - padding * 2) / 2.0 x = rect.center().x() y = rect.center().y() dx = radius * 2.5 dy = 0 else: radius = (grid.width() - padding * 2) / 2.0 x = rect.center().x() y = rect.center().y() dx = 0 dy = radius * 2.5 for item in items: item.setPieCenter(QPointF(x, y)) item.setRadius(radius) item.rebuild() x += dx y += dy if ( self._trackerItem and self._trackerItem() ): self._trackerItem().rebuild(self._buildData['grid_rect'])
def rebuild(self): """ Rebuilds the data for this scene to draw with. """ global XChartWidgetItem if (XChartWidgetItem is None): from projexui.widgets.xchartwidget.xchartwidgetitem \ import XChartWidgetItem self._buildData = {} # build the grid location x = 8 y = 8 w = self.sceneRect().width() h = self.sceneRect().height() hpad = self.horizontalPadding() vpad = self.verticalPadding() hmax = self.horizontalRuler().maxNotchSize(Qt.Horizontal) left_offset = hpad + self.verticalRuler().maxNotchSize(Qt.Vertical) right_offset = left_offset + hpad top_offset = vpad bottom_offset = top_offset + vpad + hmax left = x + left_offset right = w - right_offset top = y + top_offset bottom = h - bottom_offset rect = QRectF() rect.setLeft(left) rect.setRight(right) rect.setBottom(bottom) rect.setTop(top) self._buildData['grid_rect'] = rect # rebuild the ruler data self.rebuildGrid() self._dirty = False # rebuild all the items padding = self.horizontalPadding() + self.verticalPadding() grid = self.sceneRect() filt = lambda x: isinstance(x, XChartWidgetItem) items = filter(filt, self.items()) height = float(grid.height()) if height == 0: ratio = 1 else: ratio = grid.width() / height count = len(items) if (not count): return if (ratio >= 1): radius = (grid.height() - padding * 2) / 2.0 x = rect.center().x() y = rect.center().y() dx = radius * 2.5 dy = 0 else: radius = (grid.width() - padding * 2) / 2.0 x = rect.center().x() y = rect.center().y() dx = 0 dy = radius * 2.5 for item in items: item.setPieCenter(QPointF(x, y)) item.setRadius(radius) item.rebuild() x += dx y += dy if (self._trackerItem and self._trackerItem()): self._trackerItem().rebuild(self._buildData['grid_rect'])
class DrawManager(QObject): """ DEPRECATED. Will be replaced with BrushingModel, BrushingControler, BrushStroke. """ brushSizeChanged = pyqtSignal(int) brushColorChanged = pyqtSignal(QColor) minBrushSize = 1 maxBrushSize = 61 defaultBrushSize = 3 defaultDrawnNumber = 1 defaultColor = Qt.white erasingColor = Qt.black def __init__(self): QObject.__init__(self) self.shape = None self.bb = QRect() #bounding box enclosing the drawing self.brushSize = self.defaultBrushSize self.drawColor = self.defaultColor self.drawnNumber = self.defaultDrawnNumber self.penVis = QPen(self.drawColor, self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin) self.penDraw = QPen(self.drawColor, self.brushSize, Qt.SolidLine, Qt.RoundCap, Qt.RoundJoin) self.pos = None self.erasing = False #on which layer do we want to draw when self.drawingEnabled? 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 growBoundingBox(self): self.bb.setLeft( max(0, self.bb.left()-self.brushSize-1)) self.bb.setTop( max(0, self.bb.top()-self.brushSize-1 )) self.bb.setRight( min(self.shape[0], self.bb.right()+self.brushSize+1)) self.bb.setBottom(min(self.shape[1], self.bb.bottom()+self.brushSize+1)) def toggleErase(self): self.erasing = not(self.erasing) def setErasing(self): self.erasing = True self.brushColorChanged.emit(self.erasingColor) def disableErasing(self): self.erasing = False self.brushColorChanged.emit(self.drawColor) def setBrushSize(self, size): self.brushSize = size self.penVis.setWidth(size) self.penDraw.setWidth(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.penVis.setColor(color) self.emit.brushColorChanged(self.drawColor) def beginDrawing(self, pos, shape): self.shape = shape self.bb = QRectF(0, 0, self.shape[0], self.shape[1]) self.scene.clear() if self.erasing: self.penVis.setColor(self.erasingColor) else: self.penVis.setColor(self.drawColor) self.pos = QPointF(pos.x()+0.0001, pos.y()+0.0001) line = self.moveTo(pos) return line def endDrawing(self, pos): self.moveTo(pos) self.growBoundingBox() 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, QRectF(QPointF(0,0), self.bb.size()), self.bb) return (self.bb.left(), self.bb.top(), tempi) #TODO: hackish, probably return a class ?? def dumpDraw(self, pos): res = self.endDrawing(pos) self.beginDrawing(pos, self.shape) return res def moveTo(self, pos): lineVis = QGraphicsLineItem(self.pos.x(), self.pos.y(), pos.x(), pos.y()) lineVis.setPen(self.penVis) line = QGraphicsLineItem(self.pos.x(), self.pos.y(), pos.x(), pos.y()) line.setPen(self.penDraw) self.scene.addItem(line) self.pos = pos x = pos.x() y = pos.y() #update bounding Box : if x > self.bb.right(): self.bb.setRight(x) if x < self.bb.left(): self.bb.setLeft(x) if y > self.bb.bottom(): self.bb.setBottom(y) if y < self.bb.top(): self.bb.setTop(y) return lineVis