class Vectorgraphic(DesignItem): def __init__(self, filename, scene): super(Vectorgraphic, self).__init__(scene) self.renderer = QSvgRenderer() self.renderer.load(filename) self.svg = QGraphicsSvgItem(self) self.svg.setSharedRenderer(self.renderer) self.setRect(0, 0, self.svg.boundingRect().width(), self.svg.boundingRect().height()) def typeName(self): return "Vectorgraphic" def paint(self, paint, option, widget): if option.state & QStyle.State_Selected: self.drawHighlightSelected(paint, option) def scaleObjects(self): self.xscale = self.rect.width() / self.svg.boundingRect().width() self.yscale = self.rect.height() / self.svg.boundingRect().height() trans = QTransform() trans.scale(self.xscale, self.yscale) self.svg.setTransform(trans) def setScale(self, x, y): self.xscale = x self.yscale = y trans = QTransform() trans.scale(self.xscale, self.yscale) self.svg.setTransform(trans) self.setRect(0, 0, self.svg.boundingRect().width() * x, self.svg.boundingRect().height() * y)
def generate_qr_code(text): qr = qrcode.QRCode(version=None, error_correction=qrcode.constants.ERROR_CORRECT_H, border=4, box_size=10) qr.add_data(text) qr.make(fit=True) qr_img = qr.make_image(image_factory=qrcode.image.svg.SvgPathImage) stream = io.BytesIO() qr_img.save(stream) renderer = QSvgRenderer() renderer.load(stream.getvalue()) final_img = QImage(600, 600, QImage.Format_ARGB32) final_img.fill(QColor(0xF4, 0xF4, 0xF4)) painter = QPainter() painter.begin(final_img) painter.setCompositionMode(QPainter.CompositionMode_SourceOver) renderer.render( painter, QRectF(0, 0, final_img.rect().width(), final_img.rect().height())) painter.end() pix = QPixmap.fromImage(final_img) return pix
class SVGEngine: """ Renders SVG data on Qt paint devices. """ def __init__(self, *, render_hints=QPainter.Antialiasing) -> None: self._data = b"" # Current XML SVG binary data. self._renderer = QSvgRenderer() # Qt SVG renderer. self._render_hints = render_hints # SVG rendering quality hints (such as anti-aliasing). def loads(self, data: QtSVGData) -> None: """ Load the renderer with SVG data. """ if isinstance(data, str): data = data.encode('utf-8') self._data = data self._renderer.load(data) def load(self, filename: str) -> None: """ Load SVG data directly from disk. """ with open(filename) as fp: data = fp.read() self.loads(data) def viewbox_size(self) -> QSize: """ If no valid viewbox is defined, 100x100 is a typical default. """ size = self._renderer.viewBox().size() if size.isEmpty(): size = QSize(100, 100) return size def render(self, target: QPaintDevice, bounds: QRectF = None) -> None: """ Render the current SVG data on <target> with optional <bounds> on the area. """ args = () if bounds is None else (bounds, ) with QPainter(target) as p: p.setRenderHints(self._render_hints) self._renderer.render(p, *args) def render_fit(self, target: QPaintDevice) -> None: """ Render the current SVG data on <target>, centered at maximum scale while preserving aspect ratio. """ width = target.width() height = target.height() v_size = self.viewbox_size() vw = v_size.width() vh = v_size.height() scale = min(width / vw, height / vh) rw = vw * scale rh = vh * scale rx = (width - rw) / 2 ry = (height - rh) / 2 bounds = QRectF(rx, ry, rw, rh) self.render(target, bounds) def dumps(self) -> str: """ Return the current SVG data as a string. """ return self._data.decode('utf-8') def dump(self, filename: str) -> None: """ Save the current SVG data directly to disk. """ with open(filename, 'wb') as fp: fp.write(self._data)
def update_board(self) -> None: self._image.fill(0) painter = QPainter() painter.begin(self._image) renderer = QSvgRenderer() renderer.load(self._game_view._repr_svg_().encode("utf-8")) renderer.render(painter) painter.end() self._label.setPixmap(QPixmap.fromImage(self._image)) self.setMinimumSize( QSize(self._image.width() + 10, self._image.height() + 10))
def updateUiSvg(self,color_list): svgXmlStreamReader = QXmlStreamReader('<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\">\n' + self.svgBoxArraySrc(10,10,40,5,24,4,color_list) + '</svg>\n') svgRender = QSvgRenderer() svgRender.load(svgXmlStreamReader) svgPixmap = QPixmap(480,80) svgPixmap.fill(QtCore.Qt.transparent) svgPainter = QPainter(svgPixmap) svgRender.render(svgPainter) self.ui.label_8.setPixmap(svgPixmap) self.ui.label_8.setAlignment(QtCore.Qt.AlignCenter) svgPainter.end()
class BasicSvgPage(page.AbstractPage): """A page that can display a SVG document.""" paperColor = QColor(Qt.white) def __init__(self, load_file=None): self._svg_r = QSvgRenderer() if load_file: self.load(load_file) def load(self, load_file): """Load filename or QByteArray.""" success = self._svg_r.load(load_file) if success: self.pageWidth = self._svg_r.defaultSize().width() self.pageHeight = self._svg_r.defaultSize().height() return success def paint(self, painter, rect, callback=None): painter.fillRect(rect, self.paperColor) page = QRect(0, 0, self.width, self.height) painter.translate(page.center()) painter.rotate(self.computedRotation * 90) if self.computedRotation & 1: page.setSize(page.size().transposed()) painter.translate(-page.center()) self._svg_r.render(painter, QRectF(page))
def SvgToPixmap(svg_data: Union[str, bytes], size: QSize): if size.isNull(): return QPixmap() svg_renderer = QSvgRenderer() if isinstance(svg_data, bytes): svg_renderer.load(svg_data) else: svg_renderer.load(svg_data.encode('utf-8')) pixmap = QPixmap(size) painter = QPainter() pixmap.fill(Qt.transparent) painter.begin(pixmap) svg_renderer.render(painter) painter.end() return pixmap
class NetArchitecture(QObject): def __init__(self, parent=None): # TODO should know its name super(NetArchitecture, self).__init__() self.renderer = QSvgRenderer() self.source_url = QUrl("") self.settings = QSettings('dt', 'DeepThought') self.graph = None self.update_source() def source_setting_changed(self): return not self.settings.value('protofile') == self.source_url def update_source(self): if self.settings.contains('protofile'): source_url = QUrl(self.settings.value('protofile')) source = source_url.toDisplayString(QUrl.RemoveScheme) if os.path.isfile(source): self.source_url = source_url self.set_source(source) return not self.source_url.isEmpty() def set_source(self, caffeproto_file): net = caffe_pb2.NetParameter() text_format.Merge(open(caffeproto_file).read(), net) self.graph = caffe.draw.draw_net(net, 'LR', 'svg') # self.sourceChanged.emit('network_architecture') def get_image(self, size): if self.source_setting_changed(): self.update_source() image = QImage(size.width(), size.height(), QImage.Format_ARGB32) painter = QPainter(image) if self.graph is None: if self.settings.contains('protofile'): url = QUrl(self.settings.value('protofile')) self.set_source(url.toDisplayString(QUrl.RemoveScheme)) else: image.fill(QColor(200, 200, 200)) return image self.renderer.load(QByteArray(self.graph)) self.renderer.render(painter) return image
def paint( self, painter: QPainter, option: QStyleOptionViewItem, index: QModelIndex ): value = index.data().thumbnail renderer = QSvgRenderer() renderer.load(value) bounds = QRectF( float(option.rect.x()), float(option.rect.y()), float(option.rect.width()), float(option.rect.height()) ) renderer.render(painter, bounds)
def load(cls, filename, renderer=None): """Load a SVG document from filename, which may also be a QByteArray. Yields only one Page instance, as SVG currently supports one page per file. If the file can't be loaded by the underlying QSvgRenderer, no Page is yielded. """ r = QSvgRenderer() if r.load(filename): yield cls(r, renderer)
class SvgViewer(QtWidgets.QGraphicsView): def __init__(self, parent): super().__init__(parent) self._scene = QtWidgets.QGraphicsScene(self) self._renderer = QSvgRenderer() self.setScene(self._scene) def set_svg(self, data): self.resetTransform() self._scene.clear() self._renderer.load(data) item1 = SvgItem('p2', self._renderer) self._scene.addItem(item1) item2 = SvgItem('p3', self._renderer) self._scene.addItem(item2) def mousePressEvent(self, event: 'QtWidgets.QGraphicsSceneMouseEvent'): print('SvgViewer - mousePressEvent()') super().mousePressEvent(event) def mouseReleaseEvent(self, event: 'QtWidgets.QGraphicsSceneMouseEvent'): print('SvgViewer - mouseReleaseEvent()') super().mouseReleaseEvent(event)
class BasicSvgPage(page.AbstractPage): """A page that can display a SVG document.""" def __init__(self, load_file=None): self._svg_r = QSvgRenderer() if load_file: self.load(load_file) def load(self, load_file): """Load filename or QByteArray.""" success = self._svg_r.load(load_file) if success: self.pageWidth = self._svg_r.defaultSize().width() self.pageHeight = self._svg_r.defaultSize().height() return success def paint(self, painter, rect, callback=None): painter.fillRect(rect, self.paperColor or QColor(Qt.white)) page = QRect(0, 0, self.width, self.height) painter.translate(page.center()) painter.rotate(self.computedRotation * 90) if self.computedRotation & 1: page.setSize(page.size().transposed()) painter.translate(-page.center()) self._svg_r.render(painter, QRectF(page))
class PyCounter(QWidget): def __init__(self, parent=None): super(PyCounter, self).__init__(parent) self.inicio() def getDigits(self): return self.m_digits def getValue(self): return self.m_value def getDigitsfile(self): return self.m_digitsFile def setValue(self, val): self.m_value = val self.update() def setDigits(self, dit): self.m_digits = dit self.update() def setDigitsFile(self, filemon): self.m_digitsFile = filemon if self.m_svg: del self.m_svg self.m_svg = QSvgRenderer(self) if not self.m_svg.load(self.m_digitsFile): print("Cannot load resource File") self.m_digitsFile = ":/default/resources/train_digits.svg" self.m_svg.load(self.m_digitsFile) else: print("Train digits correctly loaded") self.update() X_OFFSET = 10 Y_OFFSET = 10 def paintEvent(self, event): p = QPainter(self) p.setRenderHint(QPainter.Antialiasing, True) p.save() side = self.height() p.scale(side / 100.0, side / 100.0) width = 100 * self.width() height = 100 * self.height() width = 100.0 * self.width() / self.height() height = 100.0 pen = QPen(p.pen()) pen.setColor(QColor(32, 32, 32)) pen.setWidthF(6.0) p.setPen(pen) p.setBrush(Qt.black) p.drawRoundedRect(3, 3, width - 6, height - 6, 7, (7 * width) / height) w = (width - 2 * self.Y_OFFSET) / self.m_digits x = (self.m_digits - 1) * w h = height - 2 * self.Y_OFFSET c = self.m_value r = 0 for i in range(self.m_digits): r = c % 10 c = c // 10 rect = QRectF(x + self.X_OFFSET, self.Y_OFFSET, w, h) self.m_svg.render(p, "d{}".format(r), rect) x -= w p.restore() def inicio(self): import analogwidgets_rc self.m_value = 0 self.m_digits = 4 self.m_svg = None self.setDigitsFile(":/default/resources/train_digits.svg")
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style="fill:url(#linearGradient28861);fill-opacity:1.0000000;stroke:none;stroke-width:0.064000003;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4.0000000;stroke-opacity:1.0000000;overflow:visible"/> </g> </g> </svg> """ } colours = { Red: (0xCF, 0x00, 0x00), Green: (0x0f, 0x69, 0x00), Yellow: (0xd2, 0xcd, 0x00), Grey: (0x5a, 0x5a, 0x5a), Orange: (0xda, 0x46, 0x15), Purple: (0x87, 0x00, 0x83), Blue: (0x00, 0x03, 0x9a) } clicked = pyqtSignal() def __init__(self, parent=None, **kwargs): self.m_value = False self.m_onColour = QLed.Red self.m_offColour = QLed.Grey self.m_shape = QLed.Circle QWidget.__init__(self, parent, **kwargs) self._pressed = False self.renderer = QSvgRenderer() def value(self): return self.m_value def setValue(self, value): self.m_value = value self.update() value = pyqtProperty(bool, value, setValue) def onColour(self): return self.m_onColour def setOnColour(self, newColour): self.m_onColour = newColour self.update() onColour = pyqtProperty(int, onColour, setOnColour) def offColour(self): return self.m_offColour def setOffColour(self, newColour): self.m_offColour = newColour self.update() offColour = pyqtProperty(int, offColour, setOffColour) def shape(self): return self.m_shape def setShape(self, newShape): self.m_shape = newShape self.update() shape = pyqtProperty(int, shape, setShape) def sizeHint(self): if self.m_shape == QLed.Triangle: return QSize(64, 48) elif self.m_shape == QLed.Round: return QSize(96, 48) return QSize(48, 48) def adjust(self, r, g, b): def normalise(x): return x / 255.0 def denormalise(x): return int(x * 255.0) (h, l, s) = rgb_to_hls(normalise(r), normalise(g), normalise(b)) (nr, ng, nb) = hls_to_rgb(h, l * 1.5, s) return (denormalise(nr), denormalise(ng), denormalise(nb)) def paintEvent(self, event): option = QStyleOption() option.initFrom(self) h = option.rect.height() w = option.rect.width() if self.m_shape in (QLed.Triangle, QLed.Round): aspect = (4 / 3.0) if self.m_shape == QLed.Triangle else 2.0 ah = w / aspect aw = w if ah > h: ah = h aw = h * aspect x = abs(aw - w) / 2.0 y = abs(ah - h) / 2.0 bounds = QRectF(x, y, aw, ah) else: size = min(w, h) x = abs(size - w) / 2.0 y = abs(size - h) / 2.0 bounds = QRectF(x, y, size, size) painter = QPainter(self) painter.setRenderHint(QPainter.Antialiasing, True) (dark_r, dark_g, dark_b) = self.colours[self.m_onColour if self. m_value else self.m_offColour] dark_str = "rgb(%d,%d,%d)" % (dark_r, dark_g, dark_b) light_str = "rgb(%d,%d,%d)" % self.adjust(dark_r, dark_g, dark_b) if six.PY3: __xml = (self.shapes[self.m_shape] % (dark_str, light_str)).encode('utf8') self.renderer.load(QByteArray(__xml)) else: self.renderer.load( QByteArray(self.shapes[self.m_shape] % (dark_str, light_str))) self.renderer.render(painter, bounds) def mousePressEvent(self, event): self._pressed = True QWidget.mousePressEvent(self, event) def mouseReleaseEvent(self, event): if self._pressed: self._pressed = False self.clicked.emit() QWidget.mouseReleaseEvent(self, event) def toggleValue(self): self.m_value = not self.m_value self.update()
def load(self, images, positionedImages={}): self._scene.clear() self._pixmaps = {} from PyQt5.QtSvg import QSvgRenderer standardPixmapsvg = QSvgRenderer(self) standardPixmapsvg.setViewBox(QRect(0, 0, self._width, self._height)) standardPixmapsvg.load( "/usr/share/icons/gnome-human/scalable/status/image-loading.svg") self.standardPixmap = QPixmap(self._width, self._height) painter = QPainter(self.standardPixmap) painter.fillRect(QRect(0, 0, self._width, self._height), QBrush(self.palette().color(self.backgroundRole()))) standardPixmapsvg.render(painter) imagesToLoad = images if positionedImages: imagesToLoad = positionedImages.keys() maxX = maxY = minX = minY = 0 total = len(imagesToLoad) current = 0 row = 0 for path in images: #QtGui.QMessageBox.warning(None, "Bild", u"{0}".format(path)) dirname = os.path.dirname(path) basename = os.path.basename(path) if os.path.isdir(path) or os.path.basename(path).startswith('.'): continue cachePath = os.path.join(dirname, ".thumbnails/" + basename) if os.path.exists( cachePath) and os.stat(cachePath).st_mtime > os.stat(path): print('cache hit') imagePath = cachePath item = QdGraphicsPixmapItem(path, QSize(self._width, self._height)) if positionedImages and path in positionedImages: x, y = positionedImages[path] else: modresult = current % self._imagesPerRow padding = 10 if modresult == 0: if current > 0: row += 1 x = padding else: x = padding + modresult * (self._width + padding) y = self._height * row current += 1 minX = min(minX, x) minY = min(minY, y) maxX = max(maxX, x) maxY = max(maxY, y) #QtGui.QMessageBox.warning(None, "Bild", u"{0}, {1}, {2}".format(path, x, y)) item.setPos(x, y) item.setPixmap(self.standardPixmap) self._pixmaps[path] = item self._scene.addItem(item) self._progressTotal = current self._progressCurrent = 0 paths = list(self._pixmaps.keys()) paths.sort() # load in background thread(s) self._loader.load(paths) self.setScene(self._scene)
class Text(DesignItem): def __init__(self, text, scene): super(Text, self).__init__(scene) self.font = QFont("Arial") self.font.setPointSize(14) self.font.setStyleName("Standard") self.text = text self.textcolor = QColor(Qt.black) self.data = str.encode(self.getSvg()) self.renderer = QSvgRenderer() self.renderer.load(self.data) self.svg = QGraphicsSvgItem(self) self.svg.setSharedRenderer(self.renderer) self.setRect(0, 0, self.svg.boundingRect().width(), self.svg.boundingRect().height()) def typeName(self): return "Text" def paint(self, paint, option, widget): if option.state & QStyle.State_Selected: self.drawHighlightSelected(paint, option) def getTextTag(self, id): fm = QFontMetrics(self.font) svg = "<text " if id: svg += "id=\"" + id + "\" " svg += "x=\"0\" y=\"" + str(fm.ascent()) + "\" " svg += "font-family=\"" + self.font.family() + "\" " svg += "font-size=\"" + str(self.font.pointSize() * 1.25) + "px\" " if self.font.bold(): svg += "font-weight=\"bold\" " if self.font.italic(): svg += "font-style=\"italic\" " svg += "fill=\"" + self.textcolor.name() + "\" " svg += "opacity=\"" + str(self.opacity()) + "\" " svg += ">" svg += self.text svg += "</text>" return svg def getSvg(self): font = QFont(self.font.family()) font.setBold(self.font.bold()) font.setItalic(self.font.italic()) font.setPixelSize(self.font.pointSize() * 1.25) fm = QFontMetrics(font) self.width = fm.width(self.text) + 2 self.height = fm.height() svg = "<svg width=\"" + str(self.width) + "\" " svg += "height=\"" + str(self.height) + "\" >" svg += self.getTextTag("") svg += "</svg>" return svg def setScale(self, x, y): self.xscale = x self.yscale = y trans = QTransform() trans.scale(self.xscale, self.yscale) self.svg.setTransform(trans) self.setRect(0, 0, self.svg.boundingRect().width() * x, self.svg.boundingRect().height() * y) def scaleObjects(self): self.xscale = self.rect.width() / self.svg.boundingRect().width() self.yscale = self.rect.height() / self.svg.boundingRect().height() trans = QTransform() trans.scale(self.xscale, self.yscale) self.svg.setTransform(trans)
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style="fill:url(#linearGradient28861);fill-opacity:1.0000000;stroke:none;stroke-width:0.064000003;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4.0000000;stroke-opacity:1.0000000;overflow:visible"/> </g> </g> </svg> """ } colours={Red : (0xCF, 0x00, 0x00), Green : (0x0f, 0x69, 0x00), Yellow : (0xd2, 0xcd, 0x00), Grey : (0x5a, 0x5a, 0x5a), Orange : (0xda, 0x46, 0x15), Purple : (0x87, 0x00, 0x83), Blue : (0x00, 0x03, 0x9a)} clicked=pyqtSignal() def __init__(self, parent=None, **kwargs): self.m_value=False self.m_onColour=QLed.Red self.m_offColour=QLed.Grey self.m_shape=QLed.Circle QWidget.__init__(self, parent, **kwargs) self._pressed=False self.renderer=QSvgRenderer() def value(self): return self.m_value def setValue(self, value): self.m_value=value self.update() value=pyqtProperty(bool, value, setValue) def onColour(self): return self.m_onColour def setOnColour(self, newColour): self.m_onColour=newColour self.update() onColour=pyqtProperty(int, onColour, setOnColour) def offColour(self): return self.m_offColour def setOffColour(self, newColour): self.m_offColour=newColour self.update() offColour=pyqtProperty(int, offColour, setOffColour) def shape(self): return self.m_shape def setShape(self, newShape): self.m_shape=newShape self.update() shape=pyqtProperty(int, shape, setShape) def sizeHint(self): if self.m_shape==QLed.Triangle: return QSize(64,48) elif self.m_shape==QLed.Round: return QSize(96, 48) return QSize(48,48) def adjust(self, r, g, b): def normalise(x): return x/255.0 def denormalise(x): return int(x*255.0) (h,l,s)=rgb_to_hls(normalise(r),normalise(g),normalise(b)) (nr,ng,nb)=hls_to_rgb(h,l*1.5,s) return (denormalise(nr),denormalise(ng),denormalise(nb)) def paintEvent(self, event): option=QStyleOption() option.initFrom(self) h=option.rect.height() w=option.rect.width() if self.m_shape in (QLed.Triangle, QLed.Round): aspect=(4/3.0) if self.m_shape==QLed.Triangle else 2.0 ah=w/aspect aw=w if ah>h: ah=h aw=h*aspect x=abs(aw-w)/2.0 y=abs(ah-h)/2.0 bounds=QRectF(x,y,aw,ah) else: size=min(w,h) x=abs(size-w)/2.0 y=abs(size-h)/2.0 bounds=QRectF(x,y,size,size) painter=QPainter(self); painter.setRenderHint(QPainter.Antialiasing, True); (dark_r,dark_g,dark_b)=self.colours[self.m_onColour if self.m_value else self.m_offColour] dark_str="rgb(%d,%d,%d)" % (dark_r,dark_g,dark_b) light_str="rgb(%d,%d,%d)" % self.adjust(dark_r,dark_g,dark_b) shape = self.shapes[self.m_shape] % (dark_str, light_str) shape = shape.encode('utf-8') self.renderer.load(QByteArray(shape)) self.renderer.render(painter, bounds) def mousePressEvent(self, event): self._pressed=True QWidget.mousePressEvent(self, event) def mouseReleaseEvent(self, event): if self._pressed: self._pressed=False self.clicked.emit() QWidget.mouseReleaseEvent(self, event) def toggleValue(self): self.m_value=not self.m_value; self.update()
def drawCustomWidget(self, painter): renderer = QSvgRenderer() renderer.load(self.colors[self.color]) renderer.render(painter)