def minimumSizeHint(self): font = QFont(self.font()) font.setPointSize(font.pointSize() - 1) fm = QFontMetricsF(font) return QSize(fm.width(FractionSlider.WSTRING) * self.__denominator, (fm.height() * 4) + FractionSlider.YMARGIN)
def __init__(self, leftFlow = 0, rightFlow = 0, maxFlow = 100, parent = None): super(YPipeWidget, self).__init__(parent) self.leftSpinBox = QSpinBox(self) self.leftSpinBox.setRange(0, maxFlow) self.leftSpinBox.setValue(leftFlow) self.leftSpinBox.setSuffix(" l/s") self.leftSpinBox.setAlignment(Qt.AlignRight|Qt.AlignVCenter) self.connect(self.leftSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged) self.rightSpinBox = QSpinBox(self) self.rightSpinBox.setRange(0, maxFlow) self.rightSpinBox.setValue(rightFlow) self.rightSpinBox.setSuffix(" l/s") self.rightSpinBox.setAlignment(Qt.AlignRight|Qt.AlignVCenter) self.connect(self.rightSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged) self.label = QLabel(self) self.label.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken) self.label.setAlignment(Qt.AlignCenter) fm = QFontMetricsF(self.font()) self.label.setMinimumWidth(fm.width(" 999 l/s ")) self.setSizePolicy(QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)) self.setMinimumSize(self.minimumSizeHint()) self.valueChanged()
def drawMarkings(self, painter): painter.save() painter.translate(self.width() / 2, self.height() / 2) scale = min((self.width() - self._margins) / 120.0, (self.height() - self._margins) / 120.0) painter.scale(scale, scale) font = QFont(self.font()) font.setPixelSize(10) metrics = QFontMetricsF(font) painter.setFont(font) painter.setPen(self.palette().color(QPalette.Shadow)) i = 0 while i < 360: if i % 45 == 0: painter.drawLine(0, -40, 0, -50) painter.drawText(-metrics.width(self._pointText[i]) / 2.0, -52, self._pointText[i]) else: painter.drawLine(0, -45, 0, -50) painter.rotate(15) i += 15 painter.restore()
def __init__(self, leftFlow=0, rightFlow=0, maxFlow=100, parent=None): super(YPipeWidget, self).__init__(parent) self.leftSpinBox = QSpinBox(self) self.leftSpinBox.setRange(0, maxFlow) self.leftSpinBox.setValue(leftFlow) self.leftSpinBox.setSuffix(" l/s") self.leftSpinBox.setAlignment(Qt.AlignRight | Qt.AlignVCenter) self.connect(self.leftSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged) self.rightSpinBox = QSpinBox(self) self.rightSpinBox.setRange(0, maxFlow) self.rightSpinBox.setValue(rightFlow) self.rightSpinBox.setSuffix(" l/s") self.rightSpinBox.setAlignment(Qt.AlignRight | Qt.AlignVCenter) self.connect(self.rightSpinBox, SIGNAL("valueChanged(int)"), self.valueChanged) self.label = QLabel(self) self.label.setFrameStyle(QFrame.StyledPanel | QFrame.Sunken) self.label.setAlignment(Qt.AlignCenter) fm = QFontMetricsF(self.font()) self.label.setMinimumWidth(fm.width(" 999 l/s ")) self.setSizePolicy( QSizePolicy(QSizePolicy.Expanding, QSizePolicy.Expanding)) self.setMinimumSize(self.minimumSizeHint()) self.valueChanged()
def plot(self, under, over): if not under: return ctx = PaintGL.instance().currentContext painter = ctx.painter plotm = PlotModule.instance() plot_width, plot_height = plotm.getPlotWindow() metrics = QFontMetricsF(QFont()) painter.save() painter.setPen(QColor(0, 0, 160)) painter.setBrush(QColor(255, 255, 255, 192)) painter.setCompositionMode(painter.CompositionMode_SourceOver) for point, label in self.locations: ok, x, y = plotm.GeoToPhys(point.x(), point.y()) y = plot_height - y if ok: rect = QRectF(x, y, metrics.width(label) + 8, metrics.height() + 8) painter.drawRect(rect) painter.drawText(rect, Qt.AlignCenter, label) painter.restore()
def minimumSizeHint(self): font = QFont(self.font()) font.setPointSize(font.pointSize() - 1) fm = QFontMetricsF(font) return QSize( fm.width(FractionSlider.WSTRING) * self.__denominator, (fm.height() * 4) + FractionSlider.YMARGIN)
def minimumSizeHint(self): "Pour être sûr que le texte du chrono ne soit pas tronqué" font = QFont(self.font()) font.setPointSize(font.pointSize() - 1) fm = QFontMetricsF(font) l = fm.width(TracerChrono.TAILLE*2) # + 10. L = fm.height() + 2. return QSize(l, L)
def _find_font(self): font = QFont() wanted_size = self._point_size font.setStyleStrategy(QFont.StyleStrategy(QFont.OpenGLCompatible | QFont.PreferAntialias)) fm = QFontMetricsF(font) width = fm.width("888") ratio = 1.8*wanted_size/max(width, fm.ascent()) self._font = font self._font_zoom = ratio
def resizeEvent(self, event=None): fm = QFontMetricsF(self.font()) x = (self.width() - self.label.width()) / 2 y = self.height() - (fm.height() * 1.5) self.label.move(x, y) y = self.height() / 60.0 x = (self.width() / 4.0) - self.leftSpinBox.width() self.leftSpinBox.move(x, y) x = self.width() - (self.width() / 4.0) self.rightSpinBox.move(x, y)
def paintEvent(self, event=None): font = QFont(self.font()) font.setPointSize(font.pointSize() - 1) fm = QFontMetricsF(font) fracWidth = fm.width(FractionSlider.WSTRING) indent = fm.boundingRect("9").width() / 2.0 if not X11: fracWidth *= 1.5 span = self.width() - (FractionSlider.XMARGIN * 2) value = self.__numerator / float(self.__denominator) painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) painter.setRenderHint(QPainter.TextAntialiasing) painter.setPen(self.palette().color(QPalette.Mid)) painter.setBrush(self.palette().brush( QPalette.AlternateBase)) painter.drawRect(self.rect()) segColor = QColor(Qt.green).dark(120) segLineColor = segColor.dark() painter.setPen(segLineColor) painter.setBrush(segColor) painter.drawRect(FractionSlider.XMARGIN, FractionSlider.YMARGIN, span, fm.height()) textColor = self.palette().color(QPalette.Text) segWidth = span / self.__denominator segHeight = fm.height() * 2 nRect = fm.boundingRect(FractionSlider.WSTRING) x = FractionSlider.XMARGIN yOffset = segHeight + fm.height() for i in range(self.__denominator + 1): painter.setPen(segLineColor) painter.drawLine(x, FractionSlider.YMARGIN, x, segHeight) painter.setPen(textColor) y = segHeight rect = QRectF(nRect) rect.moveCenter(QPointF(x, y + fm.height() / 2.0)) painter.drawText(rect, Qt.AlignCenter, QString.number(i)) y = yOffset rect.moveCenter(QPointF(x, y + fm.height() / 2.0)) painter.drawText(rect, Qt.AlignCenter, QString.number(self.__denominator)) painter.drawLine(QPointF(rect.left() + indent, y), QPointF(rect.right() - indent, y)) x += segWidth span = int(span) y = FractionSlider.YMARGIN - 0.5 triangle = [QPointF(value * span, y), QPointF((value * span) + (2 * FractionSlider.XMARGIN), y), QPointF((value * span) + FractionSlider.XMARGIN, fm.height())] painter.setPen(Qt.yellow) painter.setBrush(Qt.darkYellow) painter.drawPolygon(QPolygonF(triangle))
def selectValues(self, length, is_vertical, painter=None): if painter is not None: metric = QFontMetricsF(self.font, painter.device()) else: metric = QFontMetricsF(self.font) min_dist = 1 if not is_vertical: # Find the maximum size of 2 figures test = [str(i) * 2 for i in range(10)] for t in test: min_dist = max(min_dist, metric.boundingRect(t).width()) return self._selectValues_direct(length, is_vertical, metric, min_dist)
def selectValues(self, length, is_vertical, painter = None): if painter is not None: metric = QFontMetricsF(self.font, painter.device()) else: metric = QFontMetricsF(self.font) min_dist = 1 if not is_vertical: # Find the maximum size of 2 figures test = [ str(i)*2 for i in range(10) ] for t in test: min_dist = max(min_dist, metric.boundingRect(t).width()) return self._selectValues_direct(length, is_vertical, metric, min_dist)
def _find_font(self): font = QFont() wanted_size = self._point_size font.setStyleStrategy( QFont.StyleStrategy(QFont.OpenGLCompatible | QFont.PreferAntialias)) fm = QFontMetricsF(font) width = fm.width("888") ratio = 1.8 * wanted_size / max(width, fm.ascent()) self._font = font self._font_zoom = ratio
def _update_margin_line(self, font): # Fix for older version of Qt which doens't has ForceIntegerMetrics if "ForceIntegerMetrics" in dir(QFont): self.document().defaultFont().setStyleStrategy( QFont.ForceIntegerMetrics) font_metrics = QFontMetricsF(self.document().defaultFont()) if (font_metrics.width("#") * settings.MARGIN_LINE) == \ (font_metrics.width(" ") * settings.MARGIN_LINE): self.pos_margin = font_metrics.width('#') * settings.MARGIN_LINE else: char_width = font_metrics.averageCharWidth() self.pos_margin = char_width * settings.MARGIN_LINE
def getAdjustedText(self, text): font = QFont('Verdana', 8) fm = QFontMetricsF(font) w = fm.width(text) if w < self.BOX_WIDTH - 25 - FlatButtonGraphicItem.WIDTH: return text text = text[0:-3] + '...' w = fm.width(text) while w > self.BOX_WIDTH - 25 - FlatButtonGraphicItem.WIDTH: text = text[0:-4] + '...' w = fm.width(text) return text
def getLinkPointForOutput(self, outputIndex): if isinstance(self.element, Algorithm): outputIndex = outputIndex if not self.element.outputsFolded else -1 text = self.getAdjustedText(self.element.algorithm.outputs[outputIndex].description) font = QFont("Verdana", 8) fm = QFontMetricsF(font) w = fm.width(text) h = fm.height() * 1.2 * (outputIndex + 1) + fm.height() / 2.0 y = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 x = -ModelerGraphicItem.BOX_WIDTH / 2 + 33 + w + 5 if not self.element.outputsFolded else 10 return QPointF(x, y) else: return QPointF(0, 0)
def getLinkPointForParameter(self, paramIndex): offsetX = 25 if isinstance(self.element, Algorithm) and self.element.paramsFolded: paramIndex = -1 offsetX = 17 font = QFont('Verdana', 8) fm = QFontMetricsF(font) if isinstance(self.element, Algorithm): h = -(fm.height() * 1.2) * (paramIndex + 2) - fm.height() / 2.0 + 8 h = h - ModelerGraphicItem.BOX_HEIGHT / 2.0 else: h = 0 return QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + offsetX, h)
def set_font(self, family=settings.FONT_FAMILY, size=settings.FONT_SIZE): font = QFont(family, size) self.document().setDefaultFont(font) # Fix for older version of Qt which doens't has ForceIntegerMetrics if "ForceIntegerMetrics" in dir(QFont): self.document().defaultFont().setStyleStrategy( QFont.ForceIntegerMetrics) font_metrics = QFontMetricsF(self.document().defaultFont()) if (font_metrics.width("#") * settings.MARGIN_LINE) == \ (font_metrics.width(" ") * settings.MARGIN_LINE): self.pos_margin = font_metrics.width('#') * settings.MARGIN_LINE else: char_width = font_metrics.averageCharWidth() self.pos_margin = char_width * settings.MARGIN_LINE
def drawText(self, p, innerRect, innerRadius, value): if not self.m_format: return f = QFont(self.font()) f.setPixelSize(10) fm = QFontMetricsF(f) maxWidth = fm.width(self.valueToText(self.m_max)) delta = innerRadius / maxWidth fontSize = f.pixelSize() * delta * 0.75 f.setPixelSize(int(fontSize)) p.setFont(f) textRect = QRectF(innerRect) p.setPen(self.palette().text().color()) p.drawText(textRect, Qt.AlignCenter, self.valueToText(value))
def getLinkPointForOutput(self, outputIndex): if isinstance(self.element, Algorithm): outputIndex = (outputIndex if not self.element.outputsFolded else -1) text = self.getAdjustedText(self.element.algorithm.outputs[outputIndex].description) font = QFont('Verdana', 8) fm = QFontMetricsF(font) w = fm.width(text) h = fm.height() * 1.2 * (outputIndex + 1) + fm.height() / 2.0 y = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 x = (-ModelerGraphicItem.BOX_WIDTH / 2 + 33 + w + 5 if not self.element.outputsFolded else 10) return QPointF(x, y) else: return QPointF(0, 0)
def boundingRect(self): font = QFont('Verdana', 8) fm = QFontMetricsF(font) unfolded = isinstance(self.element, Algorithm) and not self.element.paramsFolded numParams = len(self.element.algorithm.parameters) if unfolded else 0 unfolded = isinstance(self.element, Algorithm) and not self.element.outputsFolded numOutputs = len(self.element.algorithm.outputs) if unfolded else 0 hUp = fm.height() * 1.2 * (numParams + 2) hDown = fm.height() * 1.2 * (numOutputs + 2) rect = QRectF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp, ModelerGraphicItem.BOX_WIDTH + 2, ModelerGraphicItem.BOX_HEIGHT + hDown + hUp) return rect
def polygon(self): font = QFont("Verdana", 8) fm = QFontMetricsF(font) hUp = fm.height() * 1.2 * (len(self.element.parameters) + 2) hDown = fm.height() * 1.2 * (len(self.element.outputs) + 2) pol = QPolygonF( [ QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp), QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, (ModelerGraphicItem.BOX_HEIGHT + 2) / 2 + hDown), QPointF((ModelerGraphicItem.BOX_WIDTH + 2) / 2, (ModelerGraphicItem.BOX_HEIGHT + 2) / 2 + hDown), QPointF((ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp), QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp), ] ) return pol
def polygon(self): font = QFont('Verdana', 8) fm = QFontMetricsF(font) hUp = fm.height() * 1.2 * (len(self.element.parameters) + 2) hDown = fm.height() * 1.2 * (len(self.element.outputs) + 2) pol = QPolygonF([ QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp), QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, (ModelerGraphicItem.BOX_HEIGHT + 2) / 2 + hDown), QPointF((ModelerGraphicItem.BOX_WIDTH + 2) / 2, (ModelerGraphicItem.BOX_HEIGHT + 2) / 2 + hDown), QPointF((ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp), QPointF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2 - hUp) ]) return pol
def paint(self, painter, option, widget=None): rect = QRectF(-(ModelerGraphicItem.BOX_WIDTH + 2) / 2.0, -(ModelerGraphicItem.BOX_HEIGHT + 2) / 2.0, ModelerGraphicItem.BOX_WIDTH + 2, ModelerGraphicItem.BOX_HEIGHT + 2) painter.setPen(QPen(Qt.gray, 1)) color = QColor(125, 232, 232) if isinstance(self.element, ModelerParameter): color = QColor(179, 179, 255) elif isinstance(self.element, Algorithm): color = Qt.white painter.setBrush(QBrush(color, Qt.SolidPattern)) painter.drawRect(rect) font = QFont('Verdana', 8) painter.setFont(font) painter.setPen(QPen(Qt.black)) text = self.getAdjustedText(self.text) if isinstance(self.element, Algorithm) and not self.element.active: painter.setPen(QPen(Qt.gray)) text = text + "\n(deactivated)" elif self.isSelected(): painter.setPen(QPen(Qt.blue)) fm = QFontMetricsF(font) text = self.getAdjustedText(self.text) h = fm.height() pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h / 2.0) painter.drawText(pt, text) painter.setPen(QPen(Qt.black)) if isinstance(self.element, Algorithm): h = -(fm.height() * 1.2) h = h - ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h) painter.drawText(pt, 'In') i = 1 if not self.element.paramsFolded: for param in self.element.algorithm.parameters: if not param.hidden: text = self.getAdjustedText(param.description) h = -(fm.height() * 1.2) * (i + 1) h = h - ModelerGraphicItem.BOX_HEIGHT / 2.0 + 5 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 33, h) painter.drawText(pt, text) i += 1 h = fm.height() * 1.2 h = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 25, h) painter.drawText(pt, 'Out') if not self.element.outputsFolded: for i, out in enumerate(self.element.algorithm.outputs): text = self.getAdjustedText(out.description) h = fm.height() * 1.2 * (i + 2) h = h + ModelerGraphicItem.BOX_HEIGHT / 2.0 pt = QPointF(-ModelerGraphicItem.BOX_WIDTH / 2 + 33, h) painter.drawText(pt, text) if self.pixmap: painter.drawPixmap(-(ModelerGraphicItem.BOX_WIDTH / 2.0) + 3, -8, self.pixmap)
def _update_sidebar(self): # Margin 0 is used for line numbers fontmetrics = QFontMetricsF(self.__font) maxLine = math.ceil(math.log10(self.lines())) self.setMarginWidth(0, fontmetrics.width('0' * int(maxLine)) + 10) # Fold self.foldable_lines = [] lines = self.lines() for line in range(lines): text = self.text(line) if self.patFold.match(text): self.foldable_lines.append(line) if line in self.contractedFolds(): self.markerDelete(line, self._fold_collapsed_marker) self.markerDelete(line, self._fold_expanded_marker) self.markerAdd(line, self._fold_collapsed_marker) else: self.markerDelete(line, self._fold_collapsed_marker) self.markerDelete(line, self._fold_expanded_marker) self.markerAdd(line, self._fold_expanded_marker)
def paintEvent(self, event): super(Editor, self).paintEvent(event) if settings.SHOW_MARGIN_LINE: painter = QPainter() painter.begin(self.viewport()) painter.setPen(QColor('#FE9E9A')) posX = QFontMetricsF(self.document().defaultFont()).width(' ') \ * settings.MARGIN_LINE offset = self.contentOffset() painter.drawLine(posX + offset.x(), 0, \ posX + offset.x(), self.viewport().height()) painter.end()
def _width_with_metrics(self, text): # Return the width of this piece of text when rendered using this # font. fontName = self.font["BaseFont"].name at = fontName.find("+") if at != -1: fontName = fontName[at+1:] if "-" in fontName: family, style = fontName.split("-")[:2] elif " " in fontName: family, style = fontName.split(" ")[:2] elif "," in fontName: family, style = fontName.split(",")[:2] else: family = fontName style = "" font = QFontDatabase().font(family, style, self.size) font.setPointSizeF(self.size) fm = QFontMetricsF(font) return fm.width(text)
def _width_with_metrics(self, text): # Return the width of this piece of text when rendered using this # font. fontName = self.font["BaseFont"].name at = fontName.find("+") if at != -1: fontName = fontName[at + 1:] if "-" in fontName: family, style = fontName.split("-")[:2] elif " " in fontName: family, style = fontName.split(" ")[:2] elif "," in fontName: family, style = fontName.split(",")[:2] else: family = fontName style = "" font = QFontDatabase().font(family, style, self.size) font.setPointSizeF(self.size) fm = QFontMetricsF(font) return fm.width(text)
def __init__(self): QPlainTextEdit.__init__(self) self.position_margin = QFontMetricsF( self.document().defaultFont()).width("#") * 80 # Margin line self._margin = False # Sidebar self.sidebar = Sidebar(self) # Highlight current line self._color_current_line = QColor('lightblue') self._alpha_current_line = self._color_current_line.setAlpha(50) # Connection self.connect(self, SIGNAL("blockCountChanged(int)"), self.sidebar.update_area_width) self.connect(self, SIGNAL("updateRequest(const QRect&, int)"), self.sidebar.update_area) self.connect(self, SIGNAL("cursorPositionChanged()"), self._highlight_current_line) self._highlight_current_line()
def paintEvent(self, event=None): font = QFont(self.font()) font.setPointSize(font.pointSize() - 1) fm = QFontMetricsF(font) fracWidth = fm.width(FractionSlider.WSTRING) indent = fm.boundingRect("9").width() / 2.0 if not X11: fracWidth *= 1.5 span = self.width() - (FractionSlider.XMARGIN * 2) value = self.__numerator / float(self.__denominator) painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) painter.setRenderHint(QPainter.TextAntialiasing) painter.setPen(self.palette().color(QPalette.Mid)) painter.setBrush(self.palette().brush(QPalette.AlternateBase)) painter.drawRect(self.rect()) segColor = QColor(Qt.green).dark(120) segLineColor = segColor.dark() painter.setPen(segLineColor) painter.setBrush(segColor) painter.drawRect(FractionSlider.XMARGIN, FractionSlider.YMARGIN, span, fm.height()) textColor = self.palette().color(QPalette.Text) segWidth = span / self.__denominator segHeight = fm.height() * 2 nRect = fm.boundingRect(FractionSlider.WSTRING) x = FractionSlider.XMARGIN yOffset = segHeight + fm.height() for i in range(self.__denominator + 1): painter.setPen(segLineColor) painter.drawLine(x, FractionSlider.YMARGIN, x, segHeight) painter.setPen(textColor) y = segHeight rect = QRectF(nRect) rect.moveCenter(QPointF(x, y + fm.height() / 2.0)) painter.drawText(rect, Qt.AlignCenter, QString.number(i)) y = yOffset rect.moveCenter(QPointF(x, y + fm.height() / 2.0)) painter.drawText(rect, Qt.AlignCenter, QString.number(self.__denominator)) painter.drawLine(QPointF(rect.left() + indent, y), QPointF(rect.right() - indent, y)) x += segWidth span = int(span) y = FractionSlider.YMARGIN - 0.5 triangle = [ QPointF(value * span, y), QPointF((value * span) + (2 * FractionSlider.XMARGIN), y), QPointF((value * span) + FractionSlider.XMARGIN, fm.height()) ] painter.setPen(Qt.yellow) painter.setBrush(Qt.darkYellow) painter.drawPolygon(QPolygonF(triangle))
def draw(self, painter, size=None): """ :Arguments: painter : QPainter Opened painter on which to draw """ bounding_rect = QRectF() position = self.position transfer_function = self.transfer_function font = QFont(self.font) text_color = self.text_color line_color = self.line_color line_thickness = self.line_thickness value_range = self.value_range if size is None: viewport = painter.viewport() # viewport rectangle mat, ok = painter.worldMatrix().inverted() if not ok: raise ValueError( "Transformation matrix of painter is singular.") viewport = mat.mapRect(viewport) else: viewport = size # First, prepare the gradient w = viewport.width() h = viewport.height() #print("Size of viewport: {0}x{1}".format(w, h)) gr = QLinearGradient() nb_values = ceil(w / 5.0) brush_color = QColor() for i in range(int(nb_values)): brush_color.setRgbF(*transfer_function.rgba(i / nb_values)) gr.setColorAt(i / nb_values, brush_color) # Second, find its position metric = QFontMetricsF(font, painter.device()) font_test = [str(i) * 5 for i in range(10)] lim_width = 0 lim_height = 0 for t in font_test: rect = metric.boundingRect(t) lim_width = max(lim_width, rect.width()) lim_height = max(lim_height, rect.height()) lim_height *= 3 length = self.scale_length shift_length = (1 - length) / 2 width = self.scale_width shift_width = self.scale_shift_width delta_value = value_range[1] - value_range[0] if position == "Top": scale_rect = QRectF(shift_length * w, shift_width * h, length * w, width * h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.left(), scale_rect.center().y()) gr.setFinalStop(scale_rect.right(), scale_rect.center().y()) start_pos = scale_rect.bottomLeft() end_pos = scale_rect.bottomRight() elif position == "Right": scale_rect = QRectF((1 - shift_width - width) * w, shift_length * h, width * w, length * h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.center().x(), scale_rect.bottom()) gr.setFinalStop(scale_rect.center().x(), scale_rect.top()) start_pos = scale_rect.bottomLeft() end_pos = scale_rect.topLeft() elif position == "Bottom": scale_rect = QRectF(shift_length * w, (1 - shift_width - width) * h, length * w, width * h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.left(), scale_rect.center().y()) gr.setFinalStop(scale_rect.right(), scale_rect.center().y()) start_pos = scale_rect.topLeft() end_pos = scale_rect.topRight() elif position == "Left": scale_rect = QRectF(shift_width * w, shift_length * h, width * w, length * h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.center().x(), scale_rect.bottom()) gr.setFinalStop(scale_rect.center().x(), scale_rect.top()) start_pos = scale_rect.bottomRight() end_pos = scale_rect.topRight() else: raise ValueError("Invalid scale position: %s" % position) shift_pos = (end_pos - start_pos) / delta_value if position in ["Left", "Right"]: is_vertical = True length = scale_rect.height() else: is_vertical = False length = scale_rect.width() # Get the ticks ticks = self.selectValues(length, is_vertical, painter) if len(ticks) == 0: return ticks_str, ticks_extra = self._tick2str(ticks) # Figure the shifts dist_to_bar = self.text_to_bar max_width = 0 max_height = 0 for t in ticks_str: rect = metric.boundingRect(t) max_width = max(rect.width(), max_width) max_height = max(rect.height(), max_height) if position == "Left": shift_left = dist_to_bar shift_top = None elif position == "Right": shift_left = -dist_to_bar - max_width shift_top = None elif position == "Top": shift_left = None shift_top = dist_to_bar else: shift_left = None shift_top = -dist_to_bar - max_height painter.save() painter.translate(viewport.topLeft()) #print("viewport.topLeft() = {0}x{1}".format(viewport.left(), viewport.top())) painter.setBrush(gr) line_pen = QPen(line_color) line_pen.setWidth(line_thickness) painter.setPen(line_pen) painter.drawRect(scale_rect) bounding_rect |= scale_rect #print("Scale rect: +{0}+{1}x{2}x{3}".format(scale_rect.left(), #scale_rect.top(), scale_rect.width(), scale_rect.height())) painter.setFont(font) painter.setPen(text_color) for ts, t in zip(ticks_str, ticks): r = metric.boundingRect(ts) pos = start_pos + shift_pos * (t - value_range[0]) if shift_left is None: pos.setX(pos.x() - r.width() / 2) else: pos.setX(pos.x() + shift_left) if shift_top is None: pos.setY(pos.y() - r.height() / 2) else: pos.setY(pos.y() + shift_top) r.moveTo(pos) real_rect = painter.drawText( r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, ts) bounding_rect |= real_rect if ticks_extra is not None or self.unit: unit = self.unit exp_width = width = space_width = 0 exp_txt = "" r = exp_r = unit_r = QRectF() exp_font = None if ticks_extra is not None: exp_txt = u"×10" r = metric.boundingRect(exp_txt) exp_font = QFont(font) exp_size = self.exp_size if exp_font.pixelSize() != -1: exp_font.setPixelSize(exp_size * exp_font.pixelSize()) else: exp_font.setPointSizeF(exp_size * exp_font.pointSizeF()) exp_metric = QFontMetricsF(exp_font, painter.device()) exp_r = exp_metric.boundingRect(ticks_extra) if unit: unit_r = metric.boundingRect(unit) total_width = r.width() + exp_r.width() + unit_r.width() total_height = max(r.height(), unit_r.height()) + exp_r.height() / 2 pos = scale_rect.topRight() log_debug("top right of scale bar = (%g,%g)" % (pos.x(), pos.y())) log_debug("Size of image = (%d,%d)" % (w, h)) log_debug("Size of text = (%g,%g)" % (total_width, total_height)) if position == "Bottom": pos.setY(pos.y() + scale_rect.height() + dist_to_bar) pos.setX(pos.x() - total_width) elif position == "Top": pos.setY(pos.y() - dist_to_bar - total_height) pos.setX(pos.x() - total_width) else: # position == "left" or "right" pos.setX(pos.x() - (scale_rect.width() + total_width) / 2) if pos.x() < 0: pos.setX(dist_to_bar) elif pos.x() + total_width + dist_to_bar > w: pos.setX(w - total_width - dist_to_bar) pos.setY(pos.y() - dist_to_bar - total_height) log_debug("Display unit at position: (%g,%g)" % (pos.x(), pos.y())) if ticks_extra is not None: r.moveTo(pos) real_rect = painter.drawText( r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, exp_txt) bounding_rect |= real_rect pos.setX(pos.x() + r.width()) pos.setY(pos.y() - metric.ascent() / 2) exp_r.moveTo(pos) painter.setFont(exp_font) real_rect = painter.drawText( exp_r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, ticks_extra) bounding_rect |= real_rect pos.setY(pos.y() + metric.ascent() / 2) if unit: pos.setX(pos.x() + space_width + exp_r.width()) unit_r.moveTo(pos) painter.setFont(font) real_rect = painter.drawText( unit_r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, unit) bounding_rect |= real_rect # Draw the ticks now painter.setPen(line_pen) tick_size = self.tick_size if is_vertical: width = scale_rect.width() * tick_size else: width = scale_rect.height() * tick_size pen_width = painter.pen().widthF() if pen_width == 0: pen_width = 1.0 for t in ticks: pos1 = start_pos + shift_pos * (t - value_range[0]) pos2 = QPointF(pos1) if is_vertical: pos1.setX(scale_rect.left() + pen_width) pos2.setX(pos1.x() + width - pen_width) painter.drawLine(pos1, pos2) pos1.setX(scale_rect.right() - pen_width) pos2.setX(pos1.x() - width + pen_width) painter.drawLine(pos1, pos2) else: pos1.setY(scale_rect.top() + pen_width) pos2.setY(pos1.y() + width - pen_width) painter.drawLine(pos1, pos2) pos1.setY(scale_rect.bottom() - pen_width) pos2.setY(pos1.y() - width + pen_width) painter.drawLine(pos1, pos2) painter.restore() bounding_rect = bounding_rect.adjusted(-pen_width, -pen_width, pen_width, pen_width) return bounding_rect
def draw(self, painter, size = None): """ :Arguments: painter : QPainter Opened painter on which to draw """ bounding_rect = QRectF() position = self.position transfer_function = self.transfer_function font = QFont(self.font) text_color = self.text_color line_color = self.line_color line_thickness = self.line_thickness value_range = self.value_range if size is None: viewport = painter.viewport() # viewport rectangle mat, ok = painter.worldMatrix().inverted() if not ok: raise ValueError("Transformation matrix of painter is singular.") viewport = mat.mapRect(viewport) else: viewport = size # First, prepare the gradient w = viewport.width() h = viewport.height() #print("Size of viewport: {0}x{1}".format(w, h)) gr = QLinearGradient() nb_values = ceil(w/5.0) brush_color = QColor() for i in range(int(nb_values)): brush_color.setRgbF(*transfer_function.rgba(i/nb_values)) gr.setColorAt(i/nb_values, brush_color) # Second, find its position metric = QFontMetricsF(font, painter.device()) font_test = [ str(i)*5 for i in range(10) ] lim_width = 0 lim_height = 0 for t in font_test: rect = metric.boundingRect(t) lim_width = max(lim_width, rect.width()) lim_height = max(lim_height, rect.height()) lim_height *= 3 length = self.scale_length shift_length = (1-length)/2 width = self.scale_width shift_width = self.scale_shift_width delta_value = value_range[1]-value_range[0] if position == "Top": scale_rect = QRectF(shift_length*w, shift_width*h, length*w, width*h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.left(), scale_rect.center().y()) gr.setFinalStop(scale_rect.right(), scale_rect.center().y()) start_pos = scale_rect.bottomLeft() end_pos = scale_rect.bottomRight() elif position == "Right": scale_rect = QRectF((1-shift_width-width)*w, shift_length*h, width*w, length*h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.center().x(), scale_rect.bottom()) gr.setFinalStop(scale_rect.center().x(), scale_rect.top()) start_pos = scale_rect.bottomLeft() end_pos = scale_rect.topLeft() elif position == "Bottom": scale_rect = QRectF(shift_length*w, (1-shift_width-width)*h, length*w, width*h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.left(), scale_rect.center().y()) gr.setFinalStop(scale_rect.right(), scale_rect.center().y()) start_pos = scale_rect.topLeft() end_pos = scale_rect.topRight() elif position == "Left": scale_rect = QRectF(shift_width*w, shift_length*h, width*w, length*h) limit_rect(scale_rect, viewport, lim_width, lim_height) gr.setStart(scale_rect.center().x(), scale_rect.bottom()) gr.setFinalStop(scale_rect.center().x(), scale_rect.top()) start_pos = scale_rect.bottomRight() end_pos = scale_rect.topRight() else: raise ValueError("Invalid scale position: %s" % position) shift_pos = (end_pos-start_pos)/delta_value if position in ["Left", "Right"]: is_vertical = True length = scale_rect.height() else: is_vertical = False length = scale_rect.width() # Get the ticks ticks = self.selectValues(length, is_vertical, painter) if len(ticks) == 0: return ticks_str, ticks_extra = self._tick2str(ticks) # Figure the shifts dist_to_bar = self.text_to_bar max_width = 0 max_height = 0 for t in ticks_str: rect = metric.boundingRect(t) max_width = max(rect.width(), max_width) max_height = max(rect.height(), max_height) if position == "Left": shift_left = dist_to_bar shift_top = None elif position == "Right": shift_left = -dist_to_bar-max_width shift_top = None elif position == "Top": shift_left = None shift_top = dist_to_bar else: shift_left = None shift_top = -dist_to_bar-max_height painter.save() painter.translate(viewport.topLeft()) #print("viewport.topLeft() = {0}x{1}".format(viewport.left(), viewport.top())) painter.setBrush(gr) line_pen = QPen(line_color) line_pen.setWidth(line_thickness) painter.setPen(line_pen) painter.drawRect(scale_rect) bounding_rect |= scale_rect #print("Scale rect: +{0}+{1}x{2}x{3}".format(scale_rect.left(), #scale_rect.top(), scale_rect.width(), scale_rect.height())) painter.setFont(font) painter.setPen(text_color) for ts,t in zip(ticks_str, ticks): r = metric.boundingRect(ts) pos = start_pos+shift_pos*(t-value_range[0]) if shift_left is None: pos.setX( pos.x() - r.width()/2 ) else: pos.setX( pos.x() + shift_left ) if shift_top is None: pos.setY( pos.y() - r.height()/2) else: pos.setY( pos.y() + shift_top ) r.moveTo(pos) real_rect = painter.drawText(r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, ts) bounding_rect |= real_rect if ticks_extra is not None or self.unit: unit = self.unit exp_width = width = space_width = 0 exp_txt = "" r = exp_r = unit_r = QRectF() exp_font = None if ticks_extra is not None: exp_txt = u"×10" r = metric.boundingRect(exp_txt) exp_font = QFont(font) exp_size = self.exp_size if exp_font.pixelSize() != -1: exp_font.setPixelSize(exp_size*exp_font.pixelSize()) else: exp_font.setPointSizeF(exp_size*exp_font.pointSizeF()) exp_metric = QFontMetricsF(exp_font, painter.device()) exp_r = exp_metric.boundingRect(ticks_extra) if unit: unit_r = metric.boundingRect(unit) total_width = r.width()+exp_r.width()+unit_r.width() total_height = max(r.height(),unit_r.height())+exp_r.height()/2 pos = scale_rect.topRight() log_debug("top right of scale bar = (%g,%g)" % (pos.x(), pos.y())) log_debug("Size of image = (%d,%d)" % (w,h)) log_debug("Size of text = (%g,%g)" % (total_width, total_height)) if position == "Bottom": pos.setY(pos.y() + scale_rect.height() + dist_to_bar) pos.setX(pos.x() - total_width) elif position == "Top": pos.setY(pos.y() - dist_to_bar - total_height) pos.setX(pos.x() - total_width) else: # position == "left" or "right" pos.setX(pos.x() - (scale_rect.width() + total_width)/2) if pos.x() < 0: pos.setX(dist_to_bar) elif pos.x()+total_width+dist_to_bar > w: pos.setX(w - total_width - dist_to_bar) pos.setY(pos.y() - dist_to_bar - total_height) log_debug("Display unit at position: (%g,%g)" % (pos.x(), pos.y())) if ticks_extra is not None: r.moveTo(pos) real_rect = painter.drawText(r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, exp_txt) bounding_rect |= real_rect pos.setX( pos.x() + r.width() ) pos.setY( pos.y() - metric.ascent()/2 ) exp_r.moveTo(pos) painter.setFont(exp_font) real_rect = painter.drawText(exp_r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, ticks_extra) bounding_rect |= real_rect pos.setY(pos.y() + metric.ascent()/2) if unit: pos.setX(pos.x() + space_width + exp_r.width()) unit_r.moveTo(pos) painter.setFont(font) real_rect = painter.drawText(unit_r, Qt.TextDontClip | Qt.AlignVCenter | Qt.AlignHCenter, unit) bounding_rect |= real_rect # Draw the ticks now painter.setPen(line_pen) tick_size = self.tick_size if is_vertical: width = scale_rect.width()*tick_size else: width = scale_rect.height()*tick_size pen_width = painter.pen().widthF() if pen_width == 0: pen_width = 1.0 for t in ticks: pos1 = start_pos + shift_pos*(t-value_range[0]) pos2 = QPointF(pos1) if is_vertical: pos1.setX(scale_rect.left() + pen_width) pos2.setX(pos1.x() + width - pen_width) painter.drawLine(pos1, pos2) pos1.setX(scale_rect.right() - pen_width) pos2.setX(pos1.x() - width + pen_width) painter.drawLine(pos1, pos2) else: pos1.setY(scale_rect.top() + pen_width) pos2.setY(pos1.y() + width - pen_width) painter.drawLine(pos1, pos2) pos1.setY(scale_rect.bottom() - pen_width) pos2.setY(pos1.y() - width + pen_width) painter.drawLine(pos1, pos2) painter.restore() bounding_rect = bounding_rect.adjusted(-pen_width, -pen_width, pen_width, pen_width) return bounding_rect
def paintEvent(self, event = None): LogicalSize = 100.0 def logicalFromPhysical(length, side): return (length / side) * LogicalSize fm = QFontMetricsF(self.font()) ymargin = ((LogicalSize / 30.0) + logicalFromPhysical(self.leftSpinBox.height(), self.height())) ymax = (LogicalSize - logicalFromPhysical(fm.height() * 2, self.height())) width = LogicalSize / 4.0 cx, cy = LogicalSize / 2.0, LogicalSize / 3.0 ax, ay = cx - (2 * width), ymargin bx, by = cx - width, ay dx, dy = cx + width, ay ex, ey = cx + (2 * width), ymargin fx, fy = cx + (width / 2), cx + (LogicalSize / 24.0) gx, gy = fx, ymax hx, hy = cx - (width / 2), ymax ix, iy = hx, fy painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) side = min(self.width(), self.height()) painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2, side, side) painter.setWindow(0, 0, LogicalSize, LogicalSize) painter.setPen(Qt.NoPen) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) a = self.leftSpinBox.value() gradient.setColorAt(1, (Qt.red if a != 0 else Qt.white)) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([ax, ay, bx, by, cx, cy, ix, iy])) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) b = self.rightSpinBox.value() gradient.setColorAt(1, (Qt.blue if b != 0 else Qt.white)) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([cx, cy, dx, dy, ex, ey, fx, fy])) if (a + b) == 0: color = QColor(Qt.white) else: ashare = (a / (a + b)) * 255.0 bshare = 255.0 - ashare color = QColor(ashare, 0, bshare) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) gradient.setColorAt(1, color) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([cx, cy, fx, fy, gx, gy, hx, hy, ix, iy])) painter.setPen(Qt.black) painter.drawPolyline(QPolygon([ax, ay, ix, iy, hx, hy])) painter.drawPolyline(QPolygon([gx, gy, fx, fy, ex, ey])) painter.drawPolyline(QPolygon([bx, by, cx, cy, dx, dy]))
def paintEvent(self, event=None): LogicalSize = 100.0 def logicalFromPhysical(length, side): return (length / side) * LogicalSize fm = QFontMetricsF(self.font()) ymargin = ( (LogicalSize / 30.0) + logicalFromPhysical(self.leftSpinBox.height(), self.height())) ymax = (LogicalSize - logicalFromPhysical(fm.height() * 2, self.height())) width = LogicalSize / 4.0 cx, cy = LogicalSize / 2.0, LogicalSize / 3.0 ax, ay = cx - (2 * width), ymargin bx, by = cx - width, ay dx, dy = cx + width, ay ex, ey = cx + (2 * width), ymargin fx, fy = cx + (width / 2), cx + (LogicalSize / 24.0) gx, gy = fx, ymax hx, hy = cx - (width / 2), ymax ix, iy = hx, fy painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing) side = min(self.width(), self.height()) painter.setViewport((self.width() - side) / 2, (self.height() - side) / 2, side, side) painter.setWindow(0, 0, LogicalSize, LogicalSize) painter.setPen(Qt.NoPen) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) a = self.leftSpinBox.value() gradient.setColorAt(1, (Qt.red if a != 0 else Qt.white)) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([ax, ay, bx, by, cx, cy, ix, iy])) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) b = self.rightSpinBox.value() gradient.setColorAt(1, (Qt.blue if b != 0 else Qt.white)) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([cx, cy, dx, dy, ex, ey, fx, fy])) if (a + b) == 0: color = QColor(Qt.white) else: ashare = (a / (a + b)) * 255.0 bshare = 255.0 - ashare color = QColor(ashare, 0, bshare) gradient = QLinearGradient(QPointF(0, 0), QPointF(0, 100)) gradient.setColorAt(0, Qt.white) gradient.setColorAt(1, color) painter.setBrush(QBrush(gradient)) painter.drawPolygon(QPolygon([cx, cy, fx, fy, gx, gy, hx, hy, ix, iy])) painter.setPen(Qt.black) painter.drawPolyline(QPolygon([ax, ay, ix, iy, hx, hy])) painter.drawPolyline(QPolygon([gx, gy, fx, fy, ex, ey])) painter.drawPolyline(QPolygon([bx, by, cx, cy, dx, dy]))