def saveChartToDisk(self, basedir):
""" Writes the chart to disk as a .png file in the specified
directory. """
fileName = basedir + os.sep
txName = self.transactionName
# fix for Jim Pringle's bug where illegal chars in transaction name
# need a swap variable because replace() works inline
fileName += txName.replace(" ", "_").replace("/", "_").replace(":", "_")
fileName += self.getFilenameSuffix()
logger.warn("creating " + fileName)
chartFile = javaFile(fileName) # translate string to java.io.File
self.setChartOptions()
logger.debug("DEBUG: height" + str(self.chart_height))
logger.debug("DEBUG: weight" + str(self.chart_width))
ChartUtilities.saveChartAsPNG(chartFile, self.chart, self.chart_width, self.chart_height)
def save(self, parent, format):
chooser = JFileChooser()
#filter = FileNameExtensionFilter(
# format + " files",
# array([format, format.lower()], String))
#chooser.setFileFilter(filter);
returnVal = chooser.showSaveDialog(parent)
if returnVal == JFileChooser.APPROVE_OPTION:
fileName = chooser.getSelectedFile().getPath()
if not fileName.upper().endswith('.' + format):
fileName += '.' + format.lower()
file = File(fileName)
else:
return
if format == 'PNG':
ChartUtilities.saveChartAsPNG(file, self.chart, self.exportX,
self.exportY)
elif format == 'SVG':
domImpl = GenericDOMImplementation.getDOMImplementation()
doc = domImpl.createDocument(None, "svg", None)
svgGen = SVGGraphics2D(doc)
svgGen.getGeneratorContext().setPrecision(6)
self.chart.draw(
svgGen, Rectangle2D.Double(0, 0, self.exportX, self.exportY),
None)
out = OutputStreamWriter(FileOutputStream(file), "UTF-8")
svgGen.stream(out, True) #True is for useCSS
out.close()
elif format == 'PDF':
mapper = DefaultFontMapper()
pageSize = Rectangle(self.exportX, self.exportY)
doc = TextDocument(pageSize, 50, 50, 50, 50)
out = BufferedOutputStream(FileOutputStream(file))
writer = PdfWriter.getInstance(doc, out)
doc.open()
cb = writer.getDirectContent()
tp = cb.createTemplate(self.exportX, self.exportY)
g2 = tp.createGraphics(self.exportX, self.exportY, mapper)
r2D = Rectangle2D.Double(0, 0, self.exportX, self.exportY)
self.chart.draw(g2, r2D)
g2.dispose()
cb.addTemplate(tp, 0, 0)
doc.close()
def save(self, parent, format):
chooser = JFileChooser()
#filter = FileNameExtensionFilter(
# format + " files",
# array([format, format.lower()], String))
#chooser.setFileFilter(filter);
returnVal = chooser.showSaveDialog(parent)
if returnVal == JFileChooser.APPROVE_OPTION:
fileName = chooser.getSelectedFile().getPath()
if not fileName.upper().endswith('.' + format):
fileName += '.' + format.lower()
file = File(fileName)
else:
return
if format == 'PNG':
ChartUtilities.saveChartAsPNG(file, self.chart, self.exportX, self.exportY)
elif format == 'SVG':
domImpl = GenericDOMImplementation.getDOMImplementation()
doc = domImpl.createDocument(None, "svg", None)
svgGen = SVGGraphics2D(doc)
svgGen.getGeneratorContext().setPrecision(6)
self.chart.draw(svgGen,
Rectangle2D.Double(0, 0, self.exportX, self.exportY), None)
out = OutputStreamWriter(FileOutputStream(file), "UTF-8")
svgGen.stream(out, True) #True is for useCSS
out.close()
elif format == 'PDF':
mapper = DefaultFontMapper()
pageSize = Rectangle(self.exportX, self.exportY)
doc = TextDocument(pageSize, 50, 50, 50, 50)
out = BufferedOutputStream(FileOutputStream(file))
writer = PdfWriter.getInstance(doc, out)
doc.open()
cb = writer.getDirectContent()
tp = cb.createTemplate(self.exportX, self.exportY)
g2 = tp.createGraphics(self.exportX, self.exportY, mapper)
r2D = Rectangle2D.Double(0, 0, self.exportX, self.exportY)
self.chart.draw(g2, r2D)
g2.dispose()
cb.addTemplate(tp, 0, 0)
doc.close()
def savepng(self, filename, size=(500, 500)):
ChartUtilities.saveChartAsPNG(util.toFile(filename), self.chart, *size)
def savepng(self, filename, size=(500,500)): ChartUtilities.saveChartAsPNG(util.toFile(filename), self.chart, *size)
dataset.addSeries( "Node count", values, bins)
chart = ChartFactory.createHistogram(
"Node Count Histogram",
"Bins",
"Node count",
dataset,
PlotOrientation.VERTICAL,
True, # showLegend
True, # toolTips
True,) # urls
# Save it as a PNG:
ChartUtilities.saveChartAsPNG(
File("/Users/berthola/Desktop/Histotest/foo.png"),
chart,
800,
600)
from org.jfree.chart import ChartPanel
from javax.swing import JFrame
class SimpleChart(JFrame):
def __init__(self,chart):
chartPanel = ChartPanel(chart)
chartPanel.setPreferredSize(Dimension(800,600))
chartPanel.setMouseZoomable(True,False)
self.setContentPane(chartPanel)
s = SimpleChart(chart)
s.pack()
dataset.addSeries( "Random Stuff", values, bins)
chart = ChartFactory.createHistogram(
"Example JFreeChart histogram",
"This is the x axis",
"This is the y axis",
dataset,
PlotOrientation.VERTICAL,
True, # showLegend
True, # toolTips
True,) # urls
# Save it as a PNG:
ChartUtilities.saveChartAsPNG(
File("/tmp/foo.png"),
chart,
800,
600)
from org.jfree.chart import ChartPanel
from javax.swing import JFrame
class SimpleChart(JFrame):
def __init__(self,chart):
chartPanel = ChartPanel(chart)
chartPanel.setPreferredSize(Dimension(800,600))
chartPanel.setMouseZoomable(True,False)
self.setContentPane(chartPanel)
s = SimpleChart(chart)
s.pack()