def draw_to_file(self, output_file, title):
"""Write the comparative plot to a file.
Arguments:
o output_file - The name of the file to output the information to,
or a handle to write to.
o title - A title to display on the graphic.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
start_x = inch * .5
end_x = width - inch * .5
end_y = height - 1.5 * inch
start_y = .5 * inch
self._draw_scatter_plot(cur_drawing, start_x, start_y, end_x, end_y)
if self.output_format == 'pdf':
out_canvas = canvas.Canvas(output_file, pagesize = self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == 'eps':
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def draw_to_file(self, output_file, title):
"""Write the comparative plot to a file.
Arguments:
o output_file - The name of the file to output the information to,
or a handle to write to.
o title - A title to display on the graphic.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
start_x = inch * .5
end_x = width - inch * .5
end_y = height - 1.5 * inch
start_y = .5 * inch
self._draw_scatter_plot(cur_drawing, start_x, start_y, end_x, end_y)
if self.output_format == 'pdf':
out_canvas = canvas.Canvas(output_file, pagesize=self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == 'eps':
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def test0(self):
"Test two strings in drawing."
path = outputfile("axestest0.ps")
from reportlab.graphics.charts.axes import XCategoryAxis
d = XCategoryAxis().demo()
renderPS.drawToFile(d, path)
def test0(self):
"Test two strings in drawing."
path = outputfile("test_renderPS_simple_test0.ps")
d = Drawing(200, 100)
d.add(String(0, 0, "foo"))
d.add(String(100, 0, "bar"))
renderPS.drawToFile(d, path)
def test4(self):
"Test character encoding."
path = outputfile("test_renderPS_simple_test4.ps")
specialChar = u'\u2019'
d = Drawing(200, 100)
d.add(String(0, 0, "foo"+specialChar))
d.add(String(100, 0, "bar"))
renderPS.drawToFile(d, path)
def test3(self):
from reportlab.lib.units import cm
from reportlab.lib import colors
width=300
height=60
#Create fairly simple drawing object,
drawing=Drawing(width, height)
p=ArcPath(strokeColor=colors.darkgreen,
fillColor=colors.green,
hrefURL="http://en.wikipedia.org/wiki/Vector_path",
hrefTitle="This big letter C is actually a closed vector path.",
strokewidth=0)
p.addArc(1*cm, 1*cm, 0.8*cm, 20, 340, moveTo=True)
p.addArc(1*cm, 1*cm, 0.9*cm, 20, 340, reverse=True)
p.closePath()
drawing.add(p)
drawing.add(Rect(2.25*cm, 0.1*cm, 1.5*cm, 0.8*cm, rx=0.25*cm, ry=0.25*cm,
hrefURL="http://en.wikipedia.org/wiki/Rounded_rectangle",
hrefTitle="Rounded Rectangle",
strokeColor=colors.red,
fillColor=colors.yellow))
drawing.add(String(1*cm, 1*cm, "Hello World!",
hrefURL="http://en.wikipedia.org/wiki/Hello_world",
hrefTitle="Why 'Hello World'?",
fillColor=colors.darkgreen))
drawing.add(Rect(4.5*cm, 0.5*cm, 5*cm, 1*cm,
hrefURL="http://en.wikipedia.org/wiki/Rectangle",
hrefTitle="Wikipedia page on rectangles",
strokeColor=colors.blue,
fillColor=colors.red))
drawing.add(Ellipse(7*cm, 1*cm, 2*cm, 0.95*cm,
hrefURL="http://en.wikipedia.org/wiki/Ellipse",
strokeColor=colors.black,
fillColor=colors.yellow))
drawing.add(Circle(7*cm, 1*cm, 0.9*cm,
hrefURL="http://en.wikipedia.org/wiki/Circle",
strokeColor=colors.black,
fillColor=colors.brown))
drawing.add(Ellipse(7*cm, 1*cm, 0.5*cm, 0.9*cm,
hrefTitle="Tooltip with no link?",
strokeColor=colors.black,
fillColor=colors.black))
drawing.add(Polygon([4.5*cm, 1.25*cm, 5*cm, 0.1*cm, 4*cm, 0.1*cm],
hrefURL="http://en.wikipedia.org/wiki/Polygon",
hrefTitle="This triangle is a simple polygon.",
strokeColor=colors.darkgreen,
fillColor=colors.green))
renderPS.drawToFile(drawing, outputfile("test_renderPS_simple_test3.ps"))
def test2(self):
"Test two strings in transformed group in drawing."
path = outputfile("test_renderPS_simple_test2.ps")
d = Drawing(200, 100)
g = Group()
g.add(String(0, 0, "foo"))
g.add(String(100, 0, "bar"))
g.scale(1.5, 1.2)
g.translate(50, 0)
d.add(g)
renderPS.drawToFile(d, path)
def draw(self, output_file, title):
"""Draw out the information for the Organism.
Arguments:
o output_file -- The name of a file specifying where the
document should be saved, or a handle to be written to.
The output format is set when creating the Organism object.
o title -- The output title of the produced document.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
cur_x_pos = inch * 0.5
if len(self._sub_components) > 0:
x_pos_change = (width - inch) / len(self._sub_components)
# no sub_components
else:
pass
for sub_component in self._sub_components:
# set the drawing location of the chromosome
sub_component.start_x_position = cur_x_pos
sub_component.end_x_position = cur_x_pos + 0.9 * x_pos_change
sub_component.start_y_position = height - 1.5 * inch
sub_component.end_y_position = 3 * inch
# do the drawing
sub_component.draw(cur_drawing)
# update the locations for the next chromosome
cur_x_pos += x_pos_change
self._draw_legend(cur_drawing, 2.5 * inch, width)
if self.output_format == "pdf":
out_canvas = canvas.Canvas(output_file, pagesize=self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == "eps":
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def draw(self, output_file, title):
"""Draw out the information for the Organism.
Arguments:
o output_file -- The name of a file specifying where the
document should be saved, or a handle to be written to.
The output format is set when creating the Organism object.
o title -- The output title of the produced document.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
cur_x_pos = inch * .5
if len(self._sub_components) > 0:
x_pos_change = (width - inch) / len(self._sub_components)
# no sub_components
else:
pass
for sub_component in self._sub_components:
# set the drawing location of the chromosome
sub_component.start_x_position = cur_x_pos
sub_component.end_x_position = cur_x_pos + .9 * x_pos_change
sub_component.start_y_position = height - 1.5 * inch
sub_component.end_y_position = 3 * inch
# do the drawing
sub_component.draw(cur_drawing)
# update the locations for the next chromosome
cur_x_pos += x_pos_change
self._draw_legend(cur_drawing, 2.5 * inch, width)
if self.output_format == 'pdf':
out_canvas = canvas.Canvas(output_file, pagesize=self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == 'eps':
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def guardar_a_ps(self, nombrearchivo = None):
"""
Dibuja el código de barras en EPS.
Devuelve el nombre del archivo.
"""
if not nombrearchivo:
import time, os
from tempfile import gettempdir
nombrearchivo = os.path.join(gettempdir(), "barcode39_%s.eps" % ('_'.join(map(str, time.localtime()[:6]))))
from reportlab.graphics.shapes import Drawing, String # @UnusedImport
from reportlab.lib.units import cm
tamcanvas = (self.width + 2, self.height + 10 + 0.4 * cm)
dw = Drawing(width = tamcanvas[0], height = tamcanvas[1])
self.drawOnDW(dw, 1, tamcanvas[1] - 5 - self.height)
from reportlab.graphics import renderPS
renderPS.drawToFile(dw, nombrearchivo, "EPS")
return nombrearchivo
def draw(self, output_file, title):
"""Draw out the distribution information.
Arguments:
o output_file - The name of the file to output the information to,
or a handle to write to.
o title - A title to display on the graphic.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
# calculate the x and y position changes for each distribution
cur_x_pos = inch * .5
end_x_pos = width - inch * .5
cur_y_pos = height - 1.5 * inch
end_y_pos = .5 * inch
x_pos_change = ((end_x_pos - cur_x_pos) /
float(self.number_of_columns))
num_y_rows = math.ceil(float(len(self.distributions))
/ float(self.number_of_columns))
y_pos_change = (cur_y_pos - end_y_pos) / num_y_rows
self._draw_distributions(cur_drawing, cur_x_pos, x_pos_change,
cur_y_pos, y_pos_change, num_y_rows)
self._draw_legend(cur_drawing, 2.5 * inch, width)
if self.output_format == 'pdf':
out_canvas = canvas.Canvas(output_file, pagesize = self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == 'eps':
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def draw(self, output_file, title):
"""Draw out the distribution information.
Arguments:
o output_file - The name of the file to output the information to,
or a handle to write to.
o title - A title to display on the graphic.
"""
width, height = self.page_size
cur_drawing = Drawing(width, height)
self._draw_title(cur_drawing, title, width, height)
# calculate the x and y position changes for each distribution
cur_x_pos = inch * .5
end_x_pos = width - inch * .5
cur_y_pos = height - 1.5 * inch
end_y_pos = .5 * inch
x_pos_change = ((end_x_pos - cur_x_pos) /
float(self.number_of_columns))
num_y_rows = math.ceil(
float(len(self.distributions)) / float(self.number_of_columns))
y_pos_change = (cur_y_pos - end_y_pos) / num_y_rows
self._draw_distributions(cur_drawing, cur_x_pos, x_pos_change,
cur_y_pos, y_pos_change, num_y_rows)
self._draw_legend(cur_drawing, 2.5 * inch, width)
if self.output_format == 'pdf':
out_canvas = canvas.Canvas(output_file, pagesize=self.page_size)
renderPDF.draw(cur_drawing, out_canvas, 0, 0)
out_canvas.showPage()
out_canvas.save()
elif self.output_format == 'eps':
renderPS.drawToFile(cur_drawing, output_file)
else:
raise ValueError("Invalid output format %s" % self.output_format)
def drawToFile(bc, filename):
"""Write barcode to Postscript file <filename>."""
renderPS.drawToFile(barcode.rl.draw_barcode(bc), filename)
def generate(self, value, stream=None,
format='eps', includeText=None, textSize=14, dpi=300,
lineWidth = 1.2, lineHeight = 36):
"""
Generates the requested bar code either via a stream or as the
requested object type.
@param value: The string to convert to a barcode
@param stream: Optional argument of file name as a string, or any
open file style object.
@param format: The format in which the output should be generated.
Valid file formats include pdf, eps, svg and
will require the stream argument be provided.
Valid object formats include
rldrawing (ReportLab Drawing object will be returned,
No stream argument is required).
@param includeText: Boolean. If true then human readable text will
be printed centered under the barcode.
@param textSize: The point size of the human readable text.
@param dpi: The dots per inch at which the bitmap should be generated.
@return: None or a format dependent object. Valid return values::
eps : None
pdf : None
svg : None
rl : ReportLab Drawing
@rtype: misc
"""
assert (format in ('rl','pil') or stream is not None)
d = self._generateDrawing(value, includeText, textSize, dpi)
#
# Process formats that return value instead of write to a file
#
if format == 'rl':
return d
#
# A stream is required for the remaining formats
#
if not hasattr(stream, 'write'):
closeFile = True
stream = open(stream,'w')
else:
closeFile = False
if format == 'pdf':
from reportlab.graphics import renderPDF
renderPDF.drawToFile(d, stream, 'GNUe')
elif format == 'eps':
from reportlab.graphics import renderPS
renderPS.drawToFile(d, stream)
elif format == 'svg':
from reportlab.graphics import renderSVG
renderSVG.drawToFile(d, stream)
## elif format in ('png','tiff'):
## from reportlab.graphics import renderPM
## renderPM.drawToFile(d, stream,format.upper(), dpi=dpi)
## elif format in ('pil',):
## from reportlab.graphics import renderPM
## return renderPM.drawToPIL(d, dpi=dpi)
#
# This code *should* be replaced with calls to renderPM
# but that appears broken in the .debs
#
##
## Raster-based output using PIL
##
elif format in ('png','tiff','ppm','xbm'):
code = value ##
lineWidth = int(lineWidth * dpi/72+.5) # 300dpi
lineHeight = int(lineHeight * dpi/72+.5) # 300dpi
# Special case for PostNet
lineHeight2 = int(lineHeight * .45+.5)
# Create a new monochrome image with a white backgint
image = Image.new('1',(int(len(code)*lineWidth+.5),
int(lineHeight+.5)), 1)
draw = ImageDraw.Draw(image)
offs = 0
for ch in code:
if ch == '1':
draw.rectangle((offs,0,offs+lineWidth-1,lineHeight),
outline=0, fill=0)
# Special case for PostNet
elif ch == '2':
draw.rectangle((offs,0,offs+lineWidth-1,lineHeight2),
outline=0, fill=0)
offs += lineWidth
image.save(stream, format)
if closeFile:
stream.close()
