def ExportSVG(self):
"""
action triggered when user exports current graphics as svg
:return:
"""
newPath = QFileDialog.getSaveFileName(self.centralwidget,
"Export .svg", self.homeFolder,
"SVG files (*.svg)")
if not newPath[0]:
return
filename = newPath[0]
if self.bitmapVisibility:
self.ToggleBitmap()
generator = QSvgGenerator()
generator.setFileName(filename)
sceneSize = self.scene.sceneRect().size()
generator.setSize(sceneSize.toSize())
generator.setViewBox(QRect(0, 0, sceneSize.width(),
sceneSize.height()))
generator.setDescription("generated by SVG generator")
generator.setTitle(filename)
painter = QPainter()
painter.begin(generator)
self.scene.render(painter)
painter.end()
def export(self, file, format):
bounds = self.__get_bounds()
size = self.get_size(bounds)
if format == 'svg':
output = QSvgGenerator()
output.setFileName(file)
output.setSize(size)
output.setViewBox(QRect(QPoint(0, 0), size))
if isinstance(self.__diagram_or_selection, Diagram):
output.setTitle(self.__diagram_or_selection.get_display_name()
or "")
elif format == 'pdf':
output = QPrinter()
output.setOutputFormat(QPrinter.PdfFormat)
output.setPaperSize(QSizeF(size), QPrinter.DevicePixel)
output.setPageMargins(0, 0, 0, 0, QPrinter.DevicePixel)
output.setOutputFileName(file)
else:
output = QPixmap(size)
output.fill(Qt.transparent)
self.__draw(bounds, output)
if format not in ('svg', 'pdf'):
output.save(file, format)
def on_actionSaveGraph_triggered(self):
if self.selectedWord: filename = self.selectedWord + "-specificity.png"
else: filename = "specificity.png"
fileName = QFileDialog.getSaveFileName(
self, "Save Graph as png, svg, or pdf", filename,
"PNG Image (*.png);;PDF File(*.pdf);;SVG File(*.svg)")[0]
if str(fileName).endswith(".png"):
#pixMap=QPixmap.grabWidget( self.graphicsView)
pixMap = self.graphicsView.grab()
pixMap.save(fileName)
elif str(fileName).endswith(".pdf"):
pdfPrinter = QPrinter()
pdfPrinter.setOutputFormat(QPrinter.PdfFormat)
pdfPrinter.setPaperSize(
QSizeF(self.graphicsView.width(), self.graphicsView.height()),
QPrinter.Point)
pdfPrinter.setFullPage(True)
pdfPrinter.setOutputFileName(fileName)
pdfPainter = QPainter()
pdfPainter.begin(pdfPrinter)
self.graphicsView.render(pdfPainter)
pdfPainter.end()
elif str(fileName).endswith(".svg"):
svgGen = QSvgGenerator()
svgGen.setFileName(fileName)
svgGen.setSize(
QSize(self.graphicsView.width(), self.graphicsView.height()))
svgGen.setViewBox(
QRect(0, 0, self.graphicsView.width(),
self.graphicsView.height()))
svgGen.setTitle(filename)
svgGen.setDescription("Specificity graph generated by Gromoteur")
painter = QPainter(svgGen)
self.graphicsView.render(painter)
painter.end()
def export_to_svg(self):
"""
Graph editor's scene rendering & saving to svg-file
:return: None
"""
filename = QFileDialog.getSaveFileName(None, 'Сохранить SVG-граф', "",
"svg files (*.svg)")
if len(filename[0]) > 4:
svg = QSvgGenerator()
svg.setFileName(filename[0])
w = self.__graph_editor.get_diagram_scene().width()
h = self.__graph_editor.get_diagram_scene().height()
svg.setSize(QSize(w, h))
svg.setViewBox(QRect(0, 0, w, h))
svg.setTitle('Semantic Graph')
svg.setDescription('File created by RTA')
painter = QPainter()
painter.begin(svg)
self.__graph_editor.get_diagram_scene().render(painter)
painter.end()
def save(self,
path,
filetype=None,
title=None,
description=None,
svg_dpi=SVG_INKSCAPE):
if path is None or not isinstance(path, str):
logger.error('please provide a valide path to save the image "' +
str(path) + '"')
return
if filetype is None:
if path.lower().endswith('.svg'):
filetype = 'svg'
else:
filetype = 'raster'
dpi = 72 # 300 # inkscape 96 ? check for illustrator --> check
if filetype == 'svg':
generator = QSvgGenerator()
generator.setFileName(path)
if svg_dpi == self.SVG_ILLUSTRATOR:
generator.setSize(QSize(595, 842))
generator.setViewBox(QRect(0, 0, 595, 842))
else:
generator.setSize(QSize(794, 1123))
generator.setViewBox(QRect(0, 0, 794, 1123))
if title is not None and isinstance(title, str):
generator.setTitle(title)
if description is not None and isinstance(description, str):
generator.setDescription(description)
generator.setResolution(
svg_dpi
) # fixes issues in inkscape of pt size --> 72 pr illustrator and 96 pr inkscape but need change size
painter = QPainter(generator)
print(generator.title(), generator.heightMM(), generator.height(),
generator.widthMM(), generator.resolution(),
generator.description(), generator.logicalDpiX())
else:
scaling_factor_dpi = 1
scaling_factor_dpi = self.scaling_factor_to_achieve_DPI(300)
image = QtGui.QImage(
QSize(
self.cm_to_inch(21) * dpi * scaling_factor_dpi,
self.cm_to_inch(29.7) * dpi * scaling_factor_dpi),
QtGui.QImage.Format_RGB32)
painter = QPainter(
image) # see what happens in case of rounding of pixels
painter.scale(scaling_factor_dpi, scaling_factor_dpi)
painter.setRenderHint(
QPainter.HighQualityAntialiasing
) # to improve rendering #Antialiasing otherwise or nothing
self.paint(painter)
painter.end()
if filetype != 'svg':
image.save(path)
def ExportSVGPerLayer(self):
"""
action triggered when user exports current graphics as one svg per layer
:return:
"""
newPath = QFileDialog.getSaveFileName(self.centralwidget,
"Export .svg per layer",
self.homeFolder,
"SVG files (*.svg)")
if not newPath[0]:
return
filename = newPath[0]
if self.bitmapVisibility:
self.ToggleBitmap()
# make stuff invisible to avoid sending it to svg
for layer_idx in range(self.layersModel.rowCount()):
print("*** iteration {0}".format(layer_idx))
layer_filename = "{0}_layer{1}.svg".format(
os.path.splitext(filename)[0], layer_idx + 1)
for item in self.scene.items():
item.setVisible(True)
forceAlwaysInvisible = item.__class__ == QGraphicsPixmapItem
forceInvisibleInCurrentLayer = item.__class__ == QGraphicsItemGroup and \
(item != self.layersModel.item(layer_idx).get_graphics_items_group() or \
self.layersModel.item(layer_idx).checkState() != Qt.Checked)
if forceAlwaysInvisible or forceInvisibleInCurrentLayer: # ouch
print("setting idx to invisible for item {0}".format(item))
item.setVisible(False)
if self.layersModel.item(layer_idx).checkState() == Qt.Checked:
generator = QSvgGenerator()
generator.setFileName(layer_filename)
sceneSize = self.scene.sceneRect().size()
generator.setSize(sceneSize.toSize())
generator.setViewBox(
QRect(0, 0, sceneSize.width(), sceneSize.height()))
generator.setDescription("generated by SVG generator")
generator.setTitle(layer_filename)
painter = QPainter()
painter.begin(generator)
self.scene.render(painter)
painter.end()
# restore visibility
for layer_idx in range(self.layersModel.rowCount()):
for item in self.scene.items():
if item.__class__ == QGraphicsItemGroup and \
self.layersModel.item(layer_idx).checkState() == Qt.Checked: # ouch
item.setVisible(True)
def saveSvg(self):
path = "save.svg"
self.status_update_signal.emit("exporting SVG to %s" % (path))
generator = QSvgGenerator()
generator.setFileName(path)
w = self.pixmap.size().width()
h = self.pixmap.size().height()
generator.setSize(QSize(w, h))
generator.setViewBox(QRect(0, 0, w, h))
generator.setTitle("Spiraliser!")
qp = QPainter(generator)
showImage = self.showImage
self.showImage = False
self.paint(qp)
self.showImage = showImage
qp.end()
self.saveHPGL()
def create_svg(text, font, rect=None):
if not rect:
rect = QRect(0, 0, 200, 200)
f = tempfile.NamedTemporaryFile()
generator = QSvgGenerator()
generator.setFileName(f.name)
generator.setSize(rect.size())
generator.setViewBox(rect)
generator.setTitle("puddletag image")
generator.setDescription("just to see")
painter = QPainter()
painter.begin(generator)
painter.fillRect(rect, Qt.GlobalColor.black)
painter.setFont(font)
painter.setPen(Qt.GlobalColor.white)
painter.setBrush(QBrush(Qt.GlobalColor.white))
painter.drawText(rect, Qt.AlignmentFlag.AlignCenter, text)
painter.end()
svg = open(f.name).read()
f.close()
return svg
def __save(self):
"""If AerialWare has been used as a module, emits signal 'done'. Saves user results into SVG and makes report otherwise.
"""
# Variables for report
self.pointsMeridian = ""
self.pointsHorizontal = ""
# Total lengths of paths. Used in report and methods.
self.lenMeridian = 0
self.lenMeridianWithTurns = 0
self.lenHorizontal = 0
self.lenHorizontalWithTurns = 0
# Fields for methods
self.pathMeridianPointsPx = []
self.pathMeridianPointsDeg = []
self.pathMeridianLinesPx = []
self.pathMeridianLinesWithTurnsPx = []
self.pathMeridianLinesDeg = []
self.pathMeridianLinesWithTurnsDeg = []
self.pathHorizontalPointsPx = []
self.pathHorizontalPointsDeg = []
self.pathHorizontalLinesPx = []
self.pathHorizontalLinesWithTurnsPx = []
self.pathHorizontalLinesDeg = []
self.pathHorizontalLinesWithTurnsDeg = []
# Process each line
def processLines(lines, isMeridian=False):
i = 2 # Counter for report
isEven = False # If current line is even we must swap it's points.
for line in lines:
linePx = line.line()
p1 = linePx.p1()
p2 = linePx.p2()
p1Deg = self.pxToDeg(p1.x(), p1.y())
p2Deg = self.pxToDeg(p2.x(), p2.y())
lineDeg = QLineF(p1Deg, p2Deg)
lineLength = self.__lenMeters(p1Deg, p2Deg)
if isMeridian:
self.pathMeridianLinesWithTurnsPx.append(linePx)
self.pathMeridianLinesWithTurnsDeg.append(lineDeg)
self.lenMeridianWithTurns += lineLength
else:
self.pathHorizontalLinesWithTurnsPx.append(linePx)
self.pathHorizontalLinesWithTurnsDeg.append(lineDeg)
self.lenHorizontalWithTurns += lineLength
if line.pen().style(
) == Qt.SolidLine: # Check if current line doesn't represent turn
if isEven:
p1, p2, p1Deg, p2Deg = p2, p1, p2Deg, p1Deg
point = f'"{i - 1}","{p1Deg.x()}","{p1Deg.y()}"\n' + f'"{i}","{p2Deg.x()}","{p2Deg.y()}"\n'
if isMeridian:
self.pointsMeridian += point
self.pathMeridianPointsPx.extend([p1, p2])
self.pathMeridianPointsDeg.extend([p1Deg, p2Deg])
self.pathMeridianLinesPx.append(linePx)
self.pathMeridianLinesDeg.append(lineDeg)
self.lenMeridian += lineLength
else:
self.pointsHorizontal += point
self.pathHorizontalPointsPx.extend([p1, p2])
self.pathHorizontalPointsDeg.extend([p1Deg, p2Deg])
self.pathHorizontalLinesPx.append(linePx)
self.pathHorizontalLinesDeg.append(lineDeg)
self.lenHorizontal += lineLength
isEven = not isEven
i += 2
processLines(self.scene.getMeridianLines(), True)
processLines(self.scene.getHorizontalLines())
if self.getResultsAfterCompletion:
self.done.emit()
return
self.__disableItems()
# Make report
pointHeader = f'"{self.lang.repPoint}","{self.lang.lblLatitude}","{self.lang.lblLongitude}"\n'
if self.lenHorizontalWithTurns > self.lenMeridianWithTurns:
directionWithTurns = self.lang.repFlyMeridians
elif self.lenHorizontalWithTurns < self.lenMeridianWithTurns:
directionWithTurns = self.lang.repFlyHorizontals
else:
directionWithTurns = self.lang.repFlyEqual
if self.lenHorizontal > self.lenMeridian:
directionWithoutTurns = self.lang.repFlyMeridians
elif self.lenHorizontal < self.lenMeridian:
directionWithoutTurns = self.lang.repFlyHorizontals
else:
directionWithoutTurns = self.lang.repFlyEqual
report = (
f'"{self.lang.repCornersDescription}"\n'
f'"{self.lang.lblCorner}","{self.lang.lblLongitude}","{self.lang.lblLatitude}"\n'
f'"{self.lang.lblTopLeft}","{self.xTL}","{self.yTL}"\n'
f'"{self.lang.lblTopRight}","{self.xTR}","{self.yTR}"\n'
f'"{self.lang.lblBottomLeft}","{self.xBL}","{self.yBL}"\n'
f'"{self.lang.lblBottomRight}","{self.xBR}","{self.yBR}"\n'
f'"{self.lang.lblDelimiters}","{self.xD}","{self.yD}"\n\n'
f'"{self.lang.repTotalWithTurns}"\n'
f'"{self.lang.repByMeridians}","{self.lenMeridianWithTurns}"\n'
f'"{self.lang.repByHorizontals}","{self.lenHorizontalWithTurns}"\n'
f'"{self.lang.repBetterFlyBy}","{directionWithTurns}"\n\n'
f'"{self.lang.repTotalWithoutTurns}"\n'
f'"{self.lang.repByMeridians}","{self.lenMeridian}"\n'
f'"{self.lang.repByHorizontals}","{self.lenHorizontal}"\n'
f'"{self.lang.repBetterFlyBy}","{directionWithoutTurns}"\n\n'
f'"{self.lang.repAerialParams}"\n'
f'"{self.lang.repArea}","{self.maxHorizontal}","x","{self.maxVertical}"\n'
f'"{self.lang.lblDesiredRes}","{self.camRatio}"\n'
f'"{self.lang.lblRes}","{self.camWidth}","x","{self.camHeight}"\n'
f'"{self.lang.lblHeight}","{self.flightHeight}"\n'
f'"{self.lang.lblFocal}","{self.focalLength}"\n\n'
f'"{self.lang.repMeridianPoints}"\n' + pointHeader +
self.pointsMeridian + f'\n"{self.lang.repHorizontalPoints}"\n' +
pointHeader + self.pointsHorizontal)
# Save image
self.__disableItems()
file = QFileDialog.getSaveFileName(self, self.lang.saveFile, "",
self.lang.vectorImage +
" (*.svg)")[0]
if file == "":
self.__enableItems()
return
# And choose where to save report
reportName = ""
while reportName == "":
reportName = QFileDialog.getSaveFileName(
self, self.lang.saveFile, "", self.lang.table + " (*.csv)")[0]
if reportName == "":
msg = QMessageBox()
msg.setIcon(QMessageBox.Warning)
msg.setText(self.lang.errSaveBoth)
msg.exec_()
rect = self.scene.sceneRect()
gen = QSvgGenerator()
gen.setFileName(file)
gen.setSize(rect.size().toSize())
gen.setViewBox(rect)
gen.setTitle("Flight paths generated by AerialWare")
gen.setDescription(gen.title())
# Notice: painting will temporarily freeze application because QGraphicsScene::render is not thread safe.
# Don't try putting this into python's threads and QThread, doesn't work, I've tried, trust me XD
painter = QPainter(gen)
self.scene.render(painter)
painter.end()
# Save report
reportFile = open(reportName, "w")
reportFile.write(report)
reportFile.close()
self.__enableItems()
def save(self, path, filetype=None, title=None, description=None, svg_dpi=SVG_INKSCAPE):
if path is None or not isinstance(path, str):
logger.error('please provide a valide path to save the image "' + str(path) + '"')
return
if filetype is None:
if path.lower().endswith('.svg'):
filetype = 'svg'
else:
filetype = os.path.splitext(path)[1]
dpi = 72 # 300 # inkscape 96 ? check for illustrator --> check
if filetype == 'svg':
generator = QSvgGenerator()
generator.setFileName(path)
if svg_dpi == self.SVG_ILLUSTRATOR:
generator.setSize(QSize(595, 842))
generator.setViewBox(QRect(0, 0, 595, 842))
else:
generator.setSize(QSize(794, 1123))
generator.setViewBox(QRect(0, 0, 794, 1123))
if title is not None and isinstance(title, str):
generator.setTitle(title)
if description is not None and isinstance(description, str):
generator.setDescription(description)
generator.setResolution(
svg_dpi) # fixes issues in inkscape of pt size --> 72 pr illustrator and 96 pr inkscape but need change size
painter = QPainter(generator)
# print(generator.title(), generator.heightMM(), generator.height(), generator.widthMM(),
# generator.resolution(), generator.description(), generator.logicalDpiX())
else:
scaling_factor_dpi = 1
scaling_factor_dpi = self.scaling_factor_to_achieve_DPI(300)
# in fact take actual page size ??? multiplied by factor
# just take real image size instead
# image = QtGui.QImage(QSize(self.cm_to_inch(21) * dpi * scaling_factor_dpi, self.cm_to_inch(29.7) * dpi * scaling_factor_dpi), QtGui.QImage.Format_RGBA8888) # minor change to support alpha # QtGui.QImage.Format_RGB32)
# NB THE FOLLOWING LINES CREATE A WEIRD ERROR WITH WEIRD PIXELS DRAWN some sort of lines NO CLUE WHY
img_bounds = self.getBounds()
image = QtGui.QImage(QSize(img_bounds.width() * scaling_factor_dpi, img_bounds.height()* scaling_factor_dpi), QtGui.QImage.Format_RGBA8888) # minor change to support alpha # QtGui.QImage.Format_RGB32)
# print('size at dpi',QSize(img_bounds.width() * scaling_factor_dpi, img_bounds.height()* scaling_factor_dpi))
# QSize(self.cm_to_inch(0.02646 * img_bounds.width())
# self.cm_to_inch(0.02646 * img_bounds.height())
# need convert pixels to inches
# is there a rounding error
# force white bg for non jpg
try:
# print(filetype.lower())
# the tif and png file formats support alpha
if not filetype.lower() == '.png' and not filetype.lower() == '.tif' and not filetype.lower() == '.tiff':
image.fill(QColor.fromRgbF(1,1,1))
else:
# image.fill(QColor.fromRgbF(1, 1, 1, alpha=1))
# image.fill(QColor.fromRgbF(1, 1, 1, alpha=1))
# TODO KEEP in fact image need BE FILLED WITH TRANSPARENT OTHERWISE GETS WEIRD DRAWING ERRORS
# TODO KEEP SEE https://stackoverflow.com/questions/13464627/qt-empty-transparent-qimage-has-noise
# image.fill(qRgba(0, 0, 0, 0))
image.fill(QColor.fromRgbF(0,0,0,0))
except:
pass
painter = QPainter(image) # see what happens in case of rounding of pixels
# painter.begin()
painter.scale(scaling_factor_dpi, scaling_factor_dpi)
painter.setRenderHint(QPainter.HighQualityAntialiasing) # to improve rendering quality
self.paint(painter)
painter.end()
if filetype != 'svg':
image.save(path)
