def __init__(self, filename, width=None, height=None, kind='direct', mask="auto", lazy=1):
"""If size to draw at not specified, get it from the image."""
self.hAlign = 'CENTER'
self._mask = mask
fp = hasattr(filename,'read')
if fp:
self._file = filename
self.filename = repr(filename)
else:
self._file = self.filename = filename
if not fp and os.path.splitext(filename)[1] in ['.jpg', '.JPG', '.jpeg', '.JPEG']:
# if it is a JPEG, will be inlined within the file -
# but we still need to know its size now
from reportlab.lib.utils import open_for_read
f = open_for_read(filename, 'b')
try:
try:
info = pdfutils.readJPEGInfo(f)
except:
#couldn't read as a JPEG, try like normal
self._setup(width,height,kind,lazy)
return
finally:
f.close()
self.imageWidth = info[0]
self.imageHeight = info[1]
self._img = None
self._setup(width,height,kind,0)
elif fp:
self._setup(width,height,kind,0)
else:
self._setup(width,height,kind,lazy)
def cacheImageFile(filename, returnInMemory=0, IMG=None):
"Processes image as if for encoding, saves to a file with .a85 extension."
cachedname = os.path.splitext(filename)[0] + (rl_config.useA85 and '.a85'
or '.bin')
if filename == cachedname:
if cachedImageExists(filename):
from reportlab.lib.utils import open_for_read
if returnInMemory:
return filter(None,
open_for_read(cachedname).read().split('\r\n'))
else:
raise IOError('No such cached image %s' % filename)
else:
if rl_config.useA85:
code = makeA85Image(filename, IMG)
else:
code = makeRawImage(filename, IMG)
if returnInMemory: return code
#save it to a file
f = open(cachedname, 'wb')
f.write('\r\n'.join(code) + '\r\n')
f.close()
if rl_config.verbose:
print('cached image as %s' % cachedname)
def __init__(self, filename, width=None, height=None, kind='direct', mask="auto", lazy=1):
"""If size to draw at not specified, get it from the image."""
self.hAlign = 'CENTER'
self._mask = mask
fp = hasattr(filename,'read')
if fp:
self._file = filename
self.filename = `filename`
else:
self._file = self.filename = filename
if not fp and os.path.splitext(filename)[1] in ['.jpg', '.JPG', '.jpeg', '.JPEG']:
# if it is a JPEG, will be inlined within the file -
# but we still need to know its size now
from reportlab.lib.utils import open_for_read
f = open_for_read(filename, 'b')
try:
try:
info = pdfutils.readJPEGInfo(f)
except:
#couldn't read as a JPEG, try like normal
self._setup(width,height,kind,lazy)
return
finally:
f.close()
self.imageWidth = info[0]
self.imageHeight = info[1]
self._img = None
self._setup(width,height,kind,0)
elif fp:
self._setup(width,height,kind,0)
else:
self._setup(width,height,kind,lazy)
def __init__(self, filename, width=None, height=None, kind='direct', mask="auto", lazy=1):
"""If size to draw at not specified, get it from the image."""
self.hAlign = 'CENTER'
self._mask = mask
# if it is a JPEG, will be inlined within the file -
# but we still need to know its size now
fp = hasattr(filename,'read')
if fp:
self._file = filename
self.filename = `filename`
else:
self._file = self.filename = filename
if not fp and os.path.splitext(filename)[1] in ['.jpg', '.JPG', '.jpeg', '.JPEG']:
from reportlab.lib.utils import open_for_read
f = open_for_read(filename, 'b')
try:
info = pdfutils.readJPEGInfo(f)
except: #this is where we normally find a JPEG is corrupt.
#if so, include filename to help people track it down.
raise ValueError("Corrupt JPEG '%s', pdfutils.readJPEGInfo failed." % self.filename)
f.close()
self.imageWidth = info[0]
self.imageHeight = info[1]
self._img = None
self._setup(width,height,kind,0)
elif fp:
self._setup(width,height,kind,0)
else:
self._setup(width,height,kind,lazy)
def test0(self):
"Test if pythonpoint.pdf can be created from pythonpoint.xml."
join, dirname, isfile, abspath = os.path.join, os.path.dirname, os.path.isfile, os.path.abspath
rlDir = abspath(dirname(reportlab.__file__))
from reportlab.tools.pythonpoint import pythonpoint
from reportlab.lib.utils import isCompactDistro, open_for_read
ppDir = dirname(pythonpoint.__file__)
xml = join(ppDir, 'demos', 'pythonpoint.xml')
datafilename = 'pythonpoint.pdf'
outDir = outputfile('')
if isCompactDistro():
cwd = None
xml = open_for_read(xml)
else:
cwd = os.getcwd()
os.chdir(join(ppDir, 'demos'))
pdf = join(outDir, datafilename)
if isfile(pdf): os.remove(pdf)
pythonpoint.process(xml,
outDir=outDir,
verbose=0,
datafilename=datafilename)
if cwd: os.chdir(cwd)
assert os.path.exists(pdf)
def TTFOpenFile(fn):
'''Opens a TTF file possibly after searching TTFSearchPath
returns (filename,file)
'''
from reportlab.lib.utils import rl_isfile, open_for_read
try:
f = open_for_read(fn,'rb')
return fn, f
except IOError:
import os
if not os.path.isabs(fn):
for D in rl_config.TTFSearchPath:
tfn = os.path.join(D,fn)
if rl_isfile(tfn):
f = open_for_read(tfn,'rb')
return tfn, f
raise TTFError('Can\'t open file "%s"' % fn)
def TTFOpenFile(fn):
'''Opens a TTF file possibly after searching TTFSearchPath
returns (filename,file)
'''
from reportlab.lib.utils import rl_isfile, open_for_read
try:
f = open_for_read(fn, 'rb')
return fn, f
except IOError:
import os
if not os.path.isabs(fn):
for D in rl_config.TTFSearchPath:
tfn = os.path.join(D, fn)
if rl_isfile(tfn):
f = open_for_read(tfn, 'rb')
return tfn, f
raise TTFError('Can\'t open file "%s"' % fn)
def cacheImageFile(filename, returnInMemory=0, IMG=None):
"Processes image as if for encoding, saves to a file with .a85 extension."
from reportlab.lib.utils import PIL_Image, open_for_read
import zlib
cachedname = os.path.splitext(filename)[0] + '.a85'
if filename==cachedname:
if cachedImageExists(filename):
if returnInMemory: return split(open_for_read(cachedname).read(),LINEEND)[:-1]
else:
raise IOError, 'No such cached image %s' % filename
else:
img1 = PIL_Image.open(open_for_read(filename))
img = img1.convert('RGB')
if IMG is not None: IMG.append(img)
imgwidth, imgheight = img.size
code = []
code.append('BI') # begin image
# this describes what is in the image itself
code.append('/W %s /H %s /BPC 8 /CS /RGB /F [/A85 /Fl]' % (imgwidth, imgheight))
code.append('ID')
#use a flate filter and Ascii Base 85
raw = img.tostring()
assert(len(raw) == imgwidth * imgheight, "Wrong amount of data for image")
compressed = zlib.compress(raw) #this bit is very fast...
encoded = _AsciiBase85Encode(compressed) #...sadly this isn't
#write in blocks of 60 characters per line
outstream = getStringIO(encoded)
dataline = outstream.read(60)
while dataline <> "":
code.append(dataline)
dataline = outstream.read(60)
code.append('EI')
if returnInMemory: return code
#save it to a file
f = open(cachedname,'wb')
f.write(join(code, LINEEND)+LINEEND)
f.close()
if rl_config.verbose:
print 'cached image as %s' % cachedname
def readFields(self,fileName):
import csv
from reportlab.lib.utils import open_for_read
if hasattr(fileName,'read'):
f=fileName
else:
f=open_for_read(fileName, "rb")
ROWS=[list(map(str.strip,row)) for row in csv.reader(f)][1:]
if f is not fileName: f.close()
return ROWS
def readFields(self, fileName):
import csv
from reportlab.lib.utils import open_for_read
if hasattr(fileName, 'read'):
f = fileName
else:
f = open_for_read(fileName, "rb")
ROWS = [list(map(str.strip, row)) for row in csv.reader(f)][1:]
if f is not fileName: f.close()
return ROWS
def read(fn,sep=',',conv=0):
'''
read the csv file fn and return the fields as a list of lists.
sep is the separator to use and conv determines whether an attempt is made to convert
numeric fields.
'''
from reportlab.lib.utils import open_for_read
f = open_for_read(fn,'t')
F = []
for l in f.readlines():
F.append(_processLine(l,sep,conv))
if f is not fn: f.close()
return F
def read(fn, sep=',', conv=0):
'''
read the csv file fn and return the fields as a list of lists.
sep is the separator to use and conv determines whether an attempt is made to convert
numeric fields.
'''
from reportlab.lib.utils import open_for_read
f = open_for_read(fn, 't')
F = []
for l in f.readlines():
F.append(_processLine(l, sep, conv))
if f is not fn: f.close()
return F
def test0(self):
"Test if pythonpoint.pdf can be created from pythonpoint.xml."
join, dirname, isfile, abspath = os.path.join, os.path.dirname, os.path.isfile, os.path.abspath
from tools.pythonpoint import pythonpoint
from reportlab.lib.utils import isCompactDistro, open_for_read
ppDir = dirname(pythonpoint.__file__)
xml = abspath(join(ppDir, 'demos', 'pythonpoint.xml'))
datafilename = 'pythonpoint.pdf'
outDir = outputfile('')
if isCompactDistro():
xml = open_for_read(xml)
pdf = join(outDir, datafilename)
if isfile(pdf): os.remove(pdf)
pythonpoint.process(xml, outDir=outDir, verbose=0, datafilename=datafilename)
assert os.path.exists(pdf)
def cacheImageFile(filename, returnInMemory=0, IMG=None):
"Processes image as if for encoding, saves to a file with .a85 extension."
cachedname = os.path.splitext(filename)[0] + '.a85'
if filename==cachedname:
if cachedImageExists(filename):
from reportlab.lib.utils import open_for_read
if returnInMemory: return filter(None,open_for_read(cachedname).read().split(LINEEND))
else:
raise IOError, 'No such cached image %s' % filename
else:
code = makeA85Image(filename,IMG)
if returnInMemory: return code
#save it to a file
f = open(cachedname,'wb')
f.write(LINEEND.join(code)+LINEEND)
f.close()
if rl_config.verbose:
print 'cached image as %s' % cachedname
def cacheImageFile(filename, returnInMemory=0, IMG=None):
"Processes image as if for encoding, saves to a file with .a85 extension."
from reportlab.lib.utils import open_for_read
import zlib
cachedname = os.path.splitext(filename)[0] + '.a85'
if filename==cachedname:
if cachedImageExists(filename):
if returnInMemory: return split(open_for_read(cachedname).read(),LINEEND)[:-1]
else:
raise IOError, 'No such cached image %s' % filename
else:
img = ImageReader(filename)
if IMG is not None: IMG.append(img)
imgwidth, imgheight = img.getSize()
raw = img.getRGBData()
code = []
# this describes what is in the image itself
code.append('BI')
code.append('/W %s /H %s /BPC 8 /CS /RGB /F [/A85 /Fl]' % (imgwidth, imgheight))
code.append('ID')
#use a flate filter and Ascii Base 85
assert(len(raw) == imgwidth * imgheight, "Wrong amount of data for image")
compressed = zlib.compress(raw) #this bit is very fast...
encoded = _AsciiBase85Encode(compressed) #...sadly this may not be
#append in blocks of 60 characters
_chunker(encoded,code)
code.append('EI')
if returnInMemory: return code
#save it to a file
f = open(cachedname,'wb')
f.write(join(code, LINEEND)+LINEEND)
f.close()
if rl_config.verbose:
print 'cached image as %s' % cachedname
def __init__(self, fileName):
if isinstance(fileName, PmlImageReader):
self.__dict__ = fileName.__dict__ # borgize
return
#start wih lots of null private fields, to be populated by
#the relevant engine.
self.fileName = fileName
self._image = None
self._width = None
self._height = None
self._transparent = None
self._data = None
imageReaderFlags = 0
if PILImage and isinstance(fileName, PILImage.Image):
self._image = fileName
self.fp = getattr(fileName, 'fp', None)
try:
self.fileName = self._image.fileName
except AttributeError:
self.fileName = 'PILIMAGE_%d' % id(self)
else:
try:
self.fp = open_for_read(fileName, 'b')
if isinstance(self.fp, StringIO.StringIO().__class__):
imageReaderFlags = 0 # avoid messing with already internal files
if imageReaderFlags > 0: # interning
data = self.fp.read()
if imageReaderFlags & 2: # autoclose
try:
self.fp.close()
except:
pass
if imageReaderFlags & 4: # cache the data
if not self._cache:
from rl_config import register_reset
register_reset(self._cache.clear)
data = self._cache.setdefault(md5(data).digest(), data)
self.fp = getStringIO(data)
elif imageReaderFlags == - 1 and isinstance(fileName, (str, unicode)):
#try Ralf Schmitt's re-opening technique of avoiding too many open files
self.fp.close()
del self.fp # will become a property in the next statement
self.__class__ = LazyImageReader
if haveImages:
#detect which library we are using and open the image
if not self._image:
self._image = self._read_image(self.fp)
if getattr(self._image, 'format', None) == 'JPEG':
self.jpeg_fh = self._jpeg_fh
else:
from reportlab.pdfbase.pdfutils import readJPEGInfo
try:
self._width, self._height, c = readJPEGInfo(self.fp)
except:
raise RuntimeError('Imaging Library not available, unable to import bitmaps only jpegs')
self.jpeg_fh = self._jpeg_fh
self._data = self.fp.read()
self._dataA = None
self.fp.seek(0)
except: # TODO: Kill the catch-all
et, ev, tb = sys.exc_info()
if hasattr(ev, 'args'):
a = str(ev.args[- 1]) + (' fileName=%r' % fileName)
ev.args = ev.args[: - 1] + (a,)
raise et, ev, tb
else:
raise
def __init__(self, fileName):
if isinstance(fileName, PmlImageReader):
self.__dict__ = fileName.__dict__ # borgize
return
#start wih lots of null private fields, to be populated by
#the relevant engine.
self.fileName = fileName
self._image = None
self._width = None
self._height = None
self._transparent = None
self._data = None
imageReaderFlags = 0
if PILImage and isinstance(fileName, PILImage.Image):
self._image = fileName
self.fp = getattr(fileName, 'fp', None)
try:
self.fileName = self._image.fileName
except AttributeError:
self.fileName = 'PILIMAGE_%d' % id(self)
else:
try:
self.fp = open_for_read(fileName, 'b')
if isinstance(self.fp, StringIO.StringIO().__class__):
imageReaderFlags = 0 # avoid messing with already internal files
if imageReaderFlags > 0: # interning
data = self.fp.read()
if imageReaderFlags & 2: # autoclose
try:
self.fp.close()
except:
pass
if imageReaderFlags & 4: # cache the data
if not self._cache:
from rl_config import register_reset
register_reset(self._cache.clear)
data = self._cache.setdefault(md5(data).digest(), data)
self.fp = getStringIO(data)
elif imageReaderFlags == - 1 and isinstance(fileName, (str, unicode)):
#try Ralf Schmitt's re-opening technique of avoiding too many open files
self.fp.close()
del self.fp # will become a property in the next statement
self.__class__ = LazyImageReader
if haveImages:
#detect which library we are using and open the image
if not self._image:
self._image = self._read_image(self.fp)
if getattr(self._image, 'format', None) == 'JPEG':
self.jpeg_fh = self._jpeg_fh
else:
from reportlab.pdfbase.pdfutils import readJPEGInfo
try:
self._width, self._height, c = readJPEGInfo(self.fp)
except:
raise RuntimeError('Imaging Library not available, unable to import bitmaps only jpegs')
self.jpeg_fh = self._jpeg_fh
self._data = self.fp.read()
self._dataA = None
self.fp.seek(0)
except: # TODO: Kill the catch-all
et, ev, tb = sys.exc_info()
if hasattr(ev, 'args'):
a = str(ev.args[- 1]) + (' fileName=%r' % fileName)
ev.args = ev.args[: - 1] + (a,)
raise et, ev, tb
else:
raise
def getExamples():
"""Returns all the example flowable objects"""
styleSheet = getSampleStyleSheet()
story = []
#make a style with indents and spacing
sty = ParagraphStyle('obvious', None)
sty.leftIndent = 18
sty.rightIndent = 18
sty.firstLineIndent = 18
sty.spaceBefore = 6
sty.spaceAfter = 6
story.append(
Paragraph(
"""Now for some demo stuff - we need some on this page,
even before we explain the concepts fully""", styleSheet['BodyText']))
p = Paragraph(
"""
Platypus is all about fitting objects into frames on the page. You
are looking at a fairly simple Platypus paragraph in Debug mode.
It has some gridlines drawn around it to show the left and right indents,
and the space before and after, all of which are attributes set in
the style sheet. To be specific, this paragraph has left and
right indents of 18 points, a first line indent of 36 points,
and 6 points of space before and after itself. A paragraph
object fills the width of the enclosing frame, as you would expect.""",
sty)
p.debug = 1 #show me the borders
story.append(p)
story.append(
Paragraph(
"""Same but with justification 1.5 extra leading and green text.""",
styleSheet['BodyText']))
p = Paragraph(
"""
<para align=justify leading="+1.5" fg=green><font color=red>Platypus</font> is all about fitting objects into frames on the page. You
are looking at a fairly simple Platypus paragraph in Debug mode.
It has some gridlines drawn around it to show the left and right indents,
and the space before and after, all of which are attributes set in
the style sheet. To be specific, this paragraph has left and
right indents of 18 points, a first line indent of 36 points,
and 6 points of space before and after itself. A paragraph
object fills the width of the enclosing frame, as you would expect.</para>""",
sty)
p.debug = 1 #show me the borders
story.append(p)
story.append(
platypus.XBox(4 * inch, 0.75 * inch,
'This is a box with a fixed size'))
story.append(
Paragraph(
"""
All of this is being drawn within a text frame which was defined
on the page. This frame is in 'debug' mode so you can see the border,
and also see the margins which it reserves. A frame does not have
to have margins, but they have been set to 6 points each to create
a little space around the contents.
""", styleSheet['BodyText']))
story.append(FrameBreak())
#######################################################################
# Examples Page 2
#######################################################################
story.append(
Paragraph(
"""
Here's the base class for Flowable...
""", styleSheet['Italic']))
code = '''class Flowable:
"""Abstract base class for things to be drawn. Key concepts:
1. It knows its size
2. It draws in its own coordinate system (this requires the
base API to provide a translate() function.
"""
def __init__(self):
self.width = 0
self.height = 0
self.wrapped = 0
def drawOn(self, canvas, x, y):
"Tell it to draw itself on the canvas. Do not override"
self.canv = canvas
self.canv.saveState()
self.canv.translate(x, y)
self.draw() #this is the bit you overload
self.canv.restoreState()
del self.canv
def wrap(self, availWidth, availHeight):
"""This will be called by the enclosing frame before objects
are asked their size, drawn or whatever. It returns the
size actually used."""
return (self.width, self.height)
'''
story.append(Preformatted(code, styleSheet['Code'], dedent=4))
story.append(FrameBreak())
#######################################################################
# Examples Page 3
#######################################################################
story.append(
Paragraph("Here are some examples of the remaining objects above.",
styleSheet['Italic']))
story.append(
Paragraph("This is a bullet point",
styleSheet['Bullet'],
bulletText='O'))
story.append(
Paragraph("Another bullet point", styleSheet['Bullet'],
bulletText='O'))
story.append(
Paragraph(
"""Here is a Table, which takes all kinds of formatting options...""",
styleSheet['Italic']))
story.append(platypus.Spacer(0, 12))
g = platypus.Table(
(('', 'North', 'South', 'East', 'West'),
('Quarter 1', 100, 200, 300, 400), ('Quarter 2', 100, 200, 300, 400),
('Total', 200, 400, 600, 800)), (72, 36, 36, 36, 36),
(24, 16, 16, 18))
style = platypus.TableStyle([
('ALIGN', (1, 1), (-1, -1), 'RIGHT'),
('ALIGN', (0, 0), (-1, 0), 'CENTRE'),
('GRID', (0, 0), (-1, -1), 0.25, colors.black),
('LINEBELOW', (0, 0), (-1, 0), 2, colors.black),
('LINEBELOW', (1, -1), (-1, -1), 2, (0.5, 0.5, 0.5)),
('TEXTCOLOR', (0, 1), (0, -1), colors.black),
('BACKGROUND', (0, 0), (-1, 0), (0, 0.7, 0.7))
])
g.setStyle(style)
story.append(g)
story.append(FrameBreak())
#######################################################################
# Examples Page 4 - custom fonts
#######################################################################
# custom font with LettError-Robot font
import reportlab.rl_config
reportlab.rl_config.warnOnMissingFontGlyphs = 0
from reportlab.pdfbase import pdfmetrics
fontDir = os.path.join(_RL_DIR, 'fonts')
face = pdfmetrics.EmbeddedType1Face(
os.path.join(fontDir, 'DarkGardenMK.afm'),
os.path.join(fontDir, 'DarkGardenMK.pfb'))
faceName = face.name # should be 'DarkGardenMK'
pdfmetrics.registerTypeFace(face)
font = pdfmetrics.Font(faceName, faceName, 'WinAnsiEncoding')
pdfmetrics.registerFont(font)
# put it inside a paragraph.
story.append(
Paragraph(
"""This is an ordinary paragraph, which happens to contain
text in an embedded font:
<font name="DarkGardenMK">DarkGardenMK</font>.
Now for the real challenge...""", styleSheet['Normal']))
styRobot = ParagraphStyle('Robot', styleSheet['Normal'])
styRobot.fontSize = 16
styRobot.leading = 20
styRobot.fontName = 'DarkGardenMK'
story.append(
Paragraph("This whole paragraph is 16-point DarkGardenMK.", styRobot))
story.append(FrameBreak())
if _GIF:
story.append(
Paragraph(
"Here is an Image flowable obtained from a string filename.",
styleSheet['Italic']))
story.append(platypus.Image(_GIF))
story.append(
Paragraph(
"Here is an Image flowable obtained from a utf8 filename.",
styleSheet['Italic']))
#story.append(platypus.Image(fileName2FSEnc(_GIF)))
story.append(
Paragraph(
"Here is an Image flowable obtained from a string file url.",
styleSheet['Italic']))
story.append(platypus.Image(getFurl(_GIF)))
story.append(
Paragraph("Here is an Image flowable obtained from an open file.",
styleSheet['Italic']))
story.append(platypus.Image(open_for_read(_GIF, 'b')))
story.append(FrameBreak())
try:
img = platypus.Image(
'http://www.reportlab.com/rsrc/encryption.gif')
story.append(
Paragraph(
"Here is an Image flowable obtained from a string http url.",
styleSheet['Italic']))
story.append(img)
except:
story.append(
Paragraph(
"The image could not be obtained from a string http url.",
styleSheet['Italic']))
story.append(FrameBreak())
if _JPG:
img = platypus.Image(_JPG)
story.append(
Paragraph(
"Here is an JPEG Image flowable obtained from a filename.",
styleSheet['Italic']))
story.append(img)
story.append(
Paragraph(
"Here is an JPEG Image flowable obtained from an open file.",
styleSheet['Italic']))
img = platypus.Image(open_for_read(_JPG, 'b'))
story.append(img)
story.append(FrameBreak())
return story
def run():
from reportlab.platypus import BaseDocTemplate, PageTemplate, Image, Frame, PageTemplate, \
ShowBoundaryValue, SimpleDocTemplate, FrameBG, Paragraph, \
FrameBreak
from reportlab.lib.colors import toColor
from reportlab.lib.utils import haveImages, _RL_DIR, rl_isfile, open_for_read, fileName2FSEnc, asNative
from reportlab.lib.styles import getSampleStyleSheet
styleSheet = getSampleStyleSheet()
if haveImages:
_GIF = os.path.join(testsFolder, 'pythonpowered.gif')
if not rl_isfile(_GIF): _GIF = None
_GAPNG = os.path.join(testsFolder, 'gray-alpha.png')
if not rl_isfile(_GAPNG): _GAPNG = None
else:
_GIF = None
if _GIF: _GIFFSEnc = fileName2FSEnc(_GIF)
if _GAPNG: _GAPNGFSEnc = fileName2FSEnc(_GAPNG)
_JPG = os.path.join(testsFolder, '..', 'docs', 'images', 'lj8100.jpg')
if not rl_isfile(_JPG): _JPG = None
doc = SimpleDocTemplate(outputfile('test_platypus_images.pdf'))
story = [
FrameBG(color=toColor('lightblue'), start='frame-permanent'),
]
if _GIF:
story.append(
Paragraph(
"Here is an Image flowable obtained from a string GIF filename.",
styleSheet['Italic']))
story.append(Image(_GIF))
story.append(
Paragraph(
"Here is an Image flowable obtained from a utf8 GIF filename.",
styleSheet['Italic']))
#story.append(Image(fileName2FSEnc(_GIF)))
story.append(
Paragraph(
"Here is an Image flowable obtained from a string GIF file url.",
styleSheet['Italic']))
story.append(Image(getFurl(_GIF)))
story.append(
Paragraph(
"Here is an Image flowable obtained from an open GIF file.",
styleSheet['Italic']))
story.append(Image(open_for_read(_GIF, 'b')))
story.append(FrameBreak())
img = Image('http://www.reportlab.com/rsrc/encryption.gif')
story.append(
Paragraph(
"Here is an Image flowable obtained from a string GIF http url.",
styleSheet['Italic']))
story.append(img)
story.append(FrameBreak())
if _GAPNG:
story.append(
Paragraph(
"Here is an Image flowable obtained from a string PNGA filename.",
styleSheet['Italic']))
story.append(Image('rltw-icon-tr.png'))
story.append(
Paragraph(
"Here is an Image flowable obtained from a string PNG filename.",
styleSheet['Italic']))
story.append(Image(_GAPNG))
story.append(
Paragraph(
"Here is an Image flowable obtained from a utf8 PNG filename.",
styleSheet['Italic']))
#story.append(Image(fileName2FSEnc(_GAPNG)))
story.append(
Paragraph(
"Here is an Image flowable obtained from a string file PNG url.",
styleSheet['Italic']))
story.append(Image(getFurl(_GAPNG)))
story.append(
Paragraph(
"Here is an Image flowable obtained from an open PNG file.",
styleSheet['Italic']))
story.append(Image(open_for_read(_GAPNG, 'b')))
story.append(FrameBreak())
if _JPG:
img = Image(_JPG)
story.append(
Paragraph(
"Here is an JPEG Image flowable obtained from a JPEG filename.",
styleSheet['Italic']))
story.append(img)
story.append(
Paragraph(
"Here is an JPEG Image flowable obtained from an open JPEG file.",
styleSheet['Italic']))
img = Image(open_for_read(_JPG, 'b'))
story.append(img)
story.append(FrameBreak())
doc.build(story)
def getExamples():
"""Returns all the example flowable objects"""
styleSheet = getSampleStyleSheet()
story = []
#make a style with indents and spacing
sty = ParagraphStyle('obvious', None)
sty.leftIndent = 18
sty.rightIndent = 18
sty.firstLineIndent = 18
sty.spaceBefore = 6
sty.spaceAfter = 6
story.append(Paragraph("""Now for some demo stuff - we need some on this page,
even before we explain the concepts fully""", styleSheet['BodyText']))
p = Paragraph("""
Platypus is all about fitting objects into frames on the page. You
are looking at a fairly simple Platypus paragraph in Debug mode.
It has some gridlines drawn around it to show the left and right indents,
and the space before and after, all of which are attributes set in
the style sheet. To be specific, this paragraph has left and
right indents of 18 points, a first line indent of 36 points,
and 6 points of space before and after itself. A paragraph
object fills the width of the enclosing frame, as you would expect.""", sty)
p.debug = 1 #show me the borders
story.append(p)
story.append(Paragraph("""Same but with justification 1.5 extra leading and green text.""", styleSheet['BodyText']))
p = Paragraph("""
<para align=justify leading=+1.5 fg=green><font color=red>Platypus</font> is all about fitting objects into frames on the page. You
are looking at a fairly simple Platypus paragraph in Debug mode.
It has some gridlines drawn around it to show the left and right indents,
and the space before and after, all of which are attributes set in
the style sheet. To be specific, this paragraph has left and
right indents of 18 points, a first line indent of 36 points,
and 6 points of space before and after itself. A paragraph
object fills the width of the enclosing frame, as you would expect.</para>""", sty)
p.debug = 1 #show me the borders
story.append(p)
story.append(platypus.XBox(4*inch, 0.75*inch,
'This is a box with a fixed size'))
story.append(Paragraph("""
All of this is being drawn within a text frame which was defined
on the page. This frame is in 'debug' mode so you can see the border,
and also see the margins which it reserves. A frame does not have
to have margins, but they have been set to 6 points each to create
a little space around the contents.
""", styleSheet['BodyText']))
story.append(FrameBreak())
#######################################################################
# Examples Page 2
#######################################################################
story.append(Paragraph("""
Here's the base class for Flowable...
""", styleSheet['Italic']))
code = '''class Flowable:
"""Abstract base class for things to be drawn. Key concepts:
1. It knows its size
2. It draws in its own coordinate system (this requires the
base API to provide a translate() function.
"""
def __init__(self):
self.width = 0
self.height = 0
self.wrapped = 0
def drawOn(self, canvas, x, y):
"Tell it to draw itself on the canvas. Do not override"
self.canv = canvas
self.canv.saveState()
self.canv.translate(x, y)
self.draw() #this is the bit you overload
self.canv.restoreState()
del self.canv
def wrap(self, availWidth, availHeight):
"""This will be called by the enclosing frame before objects
are asked their size, drawn or whatever. It returns the
size actually used."""
return (self.width, self.height)
'''
story.append(Preformatted(code, styleSheet['Code'], dedent=4))
story.append(FrameBreak())
#######################################################################
# Examples Page 3
#######################################################################
story.append(Paragraph(
"Here are some examples of the remaining objects above.",
styleSheet['Italic']))
story.append(Paragraph("This is a bullet point", styleSheet['Bullet'], bulletText='O'))
story.append(Paragraph("Another bullet point", styleSheet['Bullet'], bulletText='O'))
story.append(Paragraph("""Here is a Table, which takes all kinds of formatting options...""",
styleSheet['Italic']))
story.append(platypus.Spacer(0, 12))
g = platypus.Table(
(('','North','South','East','West'),
('Quarter 1',100,200,300,400),
('Quarter 2',100,200,300,400),
('Total',200,400,600,800)),
(72,36,36,36,36),
(24, 16,16,18)
)
style = platypus.TableStyle([('ALIGN', (1,1), (-1,-1), 'RIGHT'),
('ALIGN', (0,0), (-1,0), 'CENTRE'),
('GRID', (0,0), (-1,-1), 0.25, colors.black),
('LINEBELOW', (0,0), (-1,0), 2, colors.black),
('LINEBELOW',(1,-1), (-1, -1), 2, (0.5, 0.5, 0.5)),
('TEXTCOLOR', (0,1), (0,-1), colors.black),
('BACKGROUND', (0,0), (-1,0), (0,0.7,0.7))
])
g.setStyle(style)
story.append(g)
story.append(FrameBreak())
#######################################################################
# Examples Page 4 - custom fonts
#######################################################################
# custom font with LettError-Robot font
import reportlab.rl_config
reportlab.rl_config.warnOnMissingFontGlyphs = 0
from reportlab.pdfbase import pdfmetrics
fontDir = os.path.join(os.path.dirname(reportlab.__file__),'fonts')
face = pdfmetrics.EmbeddedType1Face(os.path.join(fontDir,'LeERC___.AFM'),os.path.join(fontDir,'LeERC___.PFB'))
faceName = face.name # should be 'LettErrorRobot-Chrome'
pdfmetrics.registerTypeFace(face)
font = pdfmetrics.Font(faceName, faceName, 'WinAnsiEncoding')
pdfmetrics.registerFont(font)
# put it inside a paragraph.
story.append(Paragraph(
"""This is an ordinary paragraph, which happens to contain
text in an embedded font:
<font name="LettErrorRobot-Chrome">LettErrorRobot-Chrome</font>.
Now for the real challenge...""", styleSheet['Normal']))
styRobot = ParagraphStyle('Robot', styleSheet['Normal'])
styRobot.fontSize = 16
styRobot.leading = 20
styRobot.fontName = 'LettErrorRobot-Chrome'
story.append(Paragraph(
"This whole paragraph is 16-point Letterror-Robot-Chrome.",
styRobot))
story.append(FrameBreak())
if _GIF:
story.append(Paragraph("Here is an Image flowable obtained from a string filename.",styleSheet['Italic']))
story.append(platypus.Image(_GIF))
story.append(Paragraph( "Here is an Image flowable obtained from a utf8 filename.", styleSheet['Italic']))
story.append(platypus.Image(_GIF.encode('utf8')))
story.append(Paragraph("Here is an Image flowable obtained from a string file url.",styleSheet['Italic']))
story.append(platypus.Image(getFurl(_GIF)))
story.append(Paragraph("Here is an Image flowable obtained from an open file.",styleSheet['Italic']))
story.append(platypus.Image(open_for_read(_GIF,'b')))
story.append(FrameBreak())
try:
img = platypus.Image('http://www.reportlab.com/rsrc/encryption.gif')
story.append(Paragraph("Here is an Image flowable obtained from a string http url.",styleSheet['Italic']))
story.append(img)
except:
story.append(Paragraph("The image could not be obtained from a string http url.",styleSheet['Italic']))
story.append(FrameBreak())
if _JPG:
img = platypus.Image(_JPG)
story.append(Paragraph("Here is an JPEG Image flowable obtained from a filename.",styleSheet['Italic']))
story.append(img)
story.append(Paragraph("Here is an JPEG Image flowable obtained from an open file.",styleSheet['Italic']))
img = platypus.Image(open_for_read(_JPG,'b'))
story.append(img)
story.append(FrameBreak())
return story