本文整理汇总了Python中reportlab.lib.utils.ImageReader类的典型用法代码示例。如果您正苦于以下问题：Python ImageReader类的具体用法？Python ImageReader怎么用？Python ImageReader使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了ImageReader类的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Python代码示例。
示例1: _image
def _image(self, node):
import urllib
from reportlab.lib.utils import ImageReader
u = urllib.urlopen(str(node.getAttribute("file")))
s = StringIO.StringIO()
s.write(u.read())
s.seek(0)
img = ImageReader(s)
(sx, sy) = img.getSize()
args = {}
for tag in ("width", "height", "x", "y"):
if node.hasAttribute(tag):
args[tag] = utils.unit_get(node.getAttribute(tag))
if ("width" in args) and (not "height" in args):
args["height"] = sy * args["width"] / sx
elif ("height" in args) and (not "width" in args):
args["width"] = sx * args["height"] / sy
elif ("width" in args) and ("height" in args):
if (float(args["width"]) / args["height"]) > (float(sx) > sy):
args["width"] = sx * args["height"] / sy
else:
args["height"] = sy * args["width"] / sx
self.canvas.drawImage(img, **args)
开发者ID:jordotech，项目名称:trml2pdf，代码行数:25，代码来源:trml2pdf.py
示例2: _image
def _image(self, node):
import urllib
from reportlab.lib.utils import ImageReader
u = urllib.urlopen(str(node.getAttribute('file')))
s = StringIO.StringIO()
s.write(u.read())
s.seek(0)
img = ImageReader(s)
(sx,sy) = img.getSize()
args = {}
for tag in ('width','height','x','y'):
if node.hasAttribute(tag):
args[tag] = utils.unit_get(node.getAttribute(tag))
if node.hasAttribute("preserveAspectRatio"):
args["preserveAspectRatio"] = True
if node.hasAttribute("mask"):
args["mask"] = node.getAttribute("mask")
if node.hasAttribute("anchor"):
args["anchor"] = node.getAttribute("anchor")
if ('width' in args) and (not 'height' in args):
args['height'] = sy * args['width'] / sx
elif ('height' in args) and (not 'width' in args):
args['width'] = sx * args['height'] / sy
elif ('width' in args) and ('height' in args) and (not args.get("preserveAspectRatio", False)):
#if (float(args['width'])/args['height'])>(float(sx)>sy):
# args['width'] = sx * args['height'] / sy
#else:
# args['height'] = sy * args['width'] / sx
pass
self.canvas.drawImage(img, **args)
开发者ID:japostoles，项目名称:trml2pdf，代码行数:32，代码来源:trml2pdf.py
示例3: main
def main():
if len(sys.argv) < 2:
print("Syntax: {0} <Image Directory> <Output File>".format(__file__))
return 1
image_dir = sys.argv[1]
output_file = sys.argv[2]
if not output_file.endswith(".pdf"):
output_file += ".pdf"
file_list = []
for filename in os.listdir(image_dir):
if len(filename) >= 4 and filename[-4:] in ALLOWED_EXTENSIONS:
file_list.append(os.path.join(image_dir, filename))
print("Make a PDF slide at {0} from images in the following order:".format(output_file))
pdf = canvas.Canvas(output_file, pageCompression=True)
for i, filepath in enumerate(sorted(file_list)):
print("[{2}/{1}] {0}".format(filepath,
len(file_list),
i+1))
image = ImageReader(filepath)
pdf.setPageSize(image.getSize())
pdf.drawImage(image, 0, 0)
pdf.showPage()
pdf.save()
开发者ID:mrcuongnv，项目名称:Image2Slide，代码行数:25，代码来源:images2slide.py
示例4: makeRawImage
def makeRawImage(filename,IMG=None,detectJpeg=False):
import zlib
img = ImageReader(filename)
if IMG is not None:
IMG.append(img)
if detectJpeg and img.jpeg_fh():
return None
imgwidth, imgheight = img.getSize()
raw = img.getRGBData()
code = []
append = code.append
# this describes what is in the image itself
append('BI')
append('/W %s /H %s /BPC 8 /CS /%s /F [/Fl]' % (imgwidth, imgheight,_mode2cs[img.mode]))
append('ID')
#use a flate filter
assert len(raw) == imgwidth * imgheight*_mode2bpp[img.mode], "Wrong amount of data for image"
compressed = zlib.compress(raw) #this bit is very fast...
#append in blocks of 60 characters
_chunker(compressed,code)
append('EI')
return code
开发者ID:AlonsoAyelen，项目名称:Voluntariado_veterinaria，代码行数:26，代码来源:pdfutils.py
示例5: _image
def _image(self, node):
from six.moves import urllib
from reportlab.lib.utils import ImageReader
u = urllib.request.urlopen("file:" + str(node.getAttribute('file')))
s = io.BytesIO()
s.write(u.read())
s.seek(0)
img = ImageReader(s)
(sx, sy) = img.getSize()
args = {}
for tag in ('width', 'height', 'x', 'y'):
if node.hasAttribute(tag):
# if not utils.unit_get(node.getAttribute(tag)):
# continue
args[tag] = utils.unit_get(node.getAttribute(tag))
if node.hasAttribute("preserveAspectRatio"):
args["preserveAspectRatio"] = True
if node.hasAttribute('mask'):
args['mask'] = node.getAttribute('mask')
if ('width' in args) and ('height' not in args):
args['height'] = sy * args['width'] / sx
elif ('height' in args) and ('width' not in args):
args['width'] = sx * args['height'] / sy
elif ('width' in args) and ('height' in args) and (not args.get("preserveAspectRatio", False)):
if (float(args['width']) / args['height']) > (float(sx) > sy):
args['width'] = sx * args['height'] / sy
else:
args['height'] = sy * args['width'] / sx
self.canvas.drawImage(img, **args)
开发者ID:daemondazz，项目名称:trml2pdf，代码行数:32，代码来源:trml2pdf.py
示例6: convertPDF
def convertPDF(chapter_num, series_name):
try:
n = 1
for dirpath, dirnames, filenames in os.walk("ROOT_PATH"):
PdfOutputFileName = "chapter" + str(chapter_num) + ".pdf"
c = canvas.Canvas(PdfOutputFileName)
if n == 1:
filenames = sorted([name for name in filenames if name.endswith(".jpg")], key=pageNum)
for filename in filenames:
print "evaluating file name " + filename
LowerCaseFileName = filename.lower()
if LowerCaseFileName.endswith(".jpg"):
filepath = os.path.join(dirpath, filename)
print "found page " + filename
im = ImageReader(filepath)
imagesize = im.getSize()
c.setPageSize(imagesize)
c.drawImage(filepath, 0, 0)
c.showPage()
c.save()
try:
os.remove(filepath)
except WindowsError as e:
print e
n = n + 1
print "PDF created " + PdfOutputFileName
except:
raise
开发者ID:jennypeng，项目名称:MangaScrape，代码行数:28，代码来源:scraper.py
示例7: resolve_image
def resolve_image(self, node):
# Get filename from image node attribute file
filename = str(node.getAttribute('file'))
# Try resolving filename from image resource directories
try:
path = find_resource_abspath(filename, self.image_dirs)
except ValueError:
# On fail, return None
return None, None
# Open the file on the image reader
fd = file(path, "r")
img = ImageReader(fd)
(sx, sy) = img.getSize()
args = {}
for tag in ('width', 'height', 'x', 'y'):
if node.hasAttribute(tag):
args[tag] = t2putils.as_pt(node.getAttribute(tag))
if ('width' in args) and (not 'height' in args):
args['height'] = sy * args['width'] / sx
elif ('height' in args) and (not 'width' in args):
args['width'] = sx * args['height'] / sy
elif ('width' in args) and ('height' in args):
if (float(args['width'])/args['height'])>(float(sx)>sy):
args['width'] = sx * args['height'] / sy
else:
args['height'] = sy * args['width'] / sx
return img, args
开发者ID:whosaysni，项目名称:template2pdf，代码行数:30，代码来源:utils.py
示例8: process_text
def process_text(node,new_node):
if new_node.tag in ['story','tr','section']:
new_node.attrib.clear()
for child in utils._child_get(node, self):
new_child = copy.deepcopy(child)
new_node.append(new_child)
if len(child):
for n in new_child:
new_child.text = utils._process_text(self, child.text)
new_child.tail = utils._process_text(self, child.tail)
new_child.remove(n)
process_text(child, new_child)
else:
if new_child.tag=='img' and new_child.get('name'):
if _regex.findall(new_child.get('name')) :
src = utils._process_text(self, new_child.get('name'))
if src :
new_child.set('src','data:image/gif;base64,%s'%src)
output = cStringIO.StringIO(base64.decodestring(src))
img = ImageReader(output)
(width,height) = img.getSize()
if not new_child.get('width'):
new_child.set('width',str(width))
if not new_child.get('height') :
new_child.set('height',str(height))
else :
new_child.getparent().remove(new_child)
new_child.text = utils._process_text(self, child.text)
new_child.tail = utils._process_text(self, child.tail)
开发者ID:ccdos，项目名称:OpenERP，代码行数:29，代码来源:html2html.py
示例9: _image
def _image(self, node):
#add attribute 'src' to tag 'image' by xiandong.xie
s = StringIO.StringIO()
if node.hasAttribute('src'):
import base64
imgdata = base64.b64decode(node.getAttribute('src'))
s.write(imgdata)
else:
import urllib
u = urllib.urlopen(str(node.getAttribute('file')))
s.write(u.read())
from reportlab.lib.utils import ImageReader
s.seek(0)
img = ImageReader(s)
(sx,sy) = img.getSize()
args = {}
for tag in ('width','height','x','y'):
if node.hasAttribute(tag):
args[tag] = utils.unit_get(node.getAttribute(tag))
if ('width' in args) and (not 'height' in args):
args['height'] = sy * args['width'] / sx
elif ('height' in args) and (not 'width' in args):
args['width'] = sx * args['height'] / sy
elif ('width' in args) and ('height' in args):
if (float(args['width'])/args['height'])>(float(sx)>sy):
args['width'] = sx * args['height'] / sy
else:
args['height'] = sy * args['width'] / sx
self.canvas.drawImage(img, **args)
开发者ID:jbetsinger，项目名称:mes，代码行数:31，代码来源:trml2pdf.py
示例10: _image
def _image(self, node):
import urllib
from reportlab.lib.utils import ImageReader
u = urllib.urlopen(str(node.getAttribute('file')))
s = StringIO.StringIO()
s.write(u.read())
s.seek(0)
img = ImageReader(s)
(sx,sy) = img.getSize()
args = {}
for tag in ('width','height','x','y'):
if node.hasAttribute(tag):
if not utils.unit_get(node.getAttribute(tag)):
continue
args[tag] = utils.unit_get(node.getAttribute(tag))
if ('width' in args) and (not 'height' in args):
args['height'] = sy * args['width'] / sx
elif ('height' in args) and (not 'width' in args):
args['width'] = sx * args['height'] / sy
elif ('width' in args) and ('height' in args):
if (float(args['width'])/args['height'])>(float(sx)>sy):
args['width'] = sx * args['height'] / sy
else:
args['height'] = sy * args['width'] / sx
self.canvas.drawImage(img, **args)
开发者ID:joeyates，项目名称:trml2pdf，代码行数:26，代码来源:trml2pdf.py
示例11: _create_header
def _create_header(canvas, doc, draw_page_number=True):
canvas.setFont(BOLD_FONTNAME, LARGE_FONTSIZE)
current_y = PAGE_HEIGHT - HEADER_MARGIN
canvas.drawCentredString(PAGE_WIDTH / 2, current_y - LARGE_FONTSIZE, 'DEPARTMENT OF PARKS AND WILDLIFE')
current_y -= 30
dpaw_header_logo = ImageReader(DPAW_HEADER_LOGO)
dpaw_header_logo_size = dpaw_header_logo.getSize()
canvas.drawImage(dpaw_header_logo, HEADER_MARGIN, current_y - dpaw_header_logo_size[1])
current_x = HEADER_MARGIN + dpaw_header_logo_size[0] + 5
canvas.setFont(DEFAULT_FONTNAME, SMALL_FONTSIZE)
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER), 'Enquiries:')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 2, 'Telephone:')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 3, 'Facsimile:')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 4, 'Web Site:')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 5, 'Correspondance:')
current_x += 80
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER),
'17 DICK PERRY AVE, KENSINGTON, WESTERN AUSTRALIA')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 2, '08 9219 9000')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 3, '08 9219 8242')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 4, doc.site_url)
canvas.setFont(BOLD_FONTNAME, SMALL_FONTSIZE)
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 5, 'Locked Bag 30')
canvas.drawString(current_x, current_y - (SMALL_FONTSIZE + HEADER_SMALL_BUFFER) * 6,
'Bentley Delivery Centre WA 6983')
canvas.setFont(BOLD_FONTNAME, LARGE_FONTSIZE)
current_y -= 36
current_x += 200
if draw_page_number:
canvas.drawString(current_x, current_y - (LARGE_FONTSIZE + HEADER_SMALL_BUFFER), 'PAGE')
if hasattr(doc, 'licence') and doc.licence.licence_number is not None and doc.licence.licence_sequence:
canvas.drawString(current_x, current_y - (LARGE_FONTSIZE + HEADER_SMALL_BUFFER) * 2, 'NO.')
canvas.setFont(DEFAULT_FONTNAME, LARGE_FONTSIZE)
current_x += 50
if draw_page_number:
canvas.drawString(current_x, current_y - (LARGE_FONTSIZE + HEADER_SMALL_BUFFER), str(canvas.getPageNumber()))
if hasattr(doc, 'licence') and doc.licence.licence_number is not None and doc.licence.licence_sequence:
canvas.drawString(current_x, current_y - (LARGE_FONTSIZE + HEADER_SMALL_BUFFER) * 2,
'%s-%d' % (doc.licence.licence_number, doc.licence.licence_sequence))
开发者ID:serge-gaia，项目名称:ledger，代码行数:57，代码来源:pdf.py
示例12: test
def test(self):
import reportlab.test
from reportlab.lib.utils import rl_isfile
imageFileName = os.path.dirname(reportlab.test.__file__) + os.sep + 'pythonpowered.gif'
assert rl_isfile(imageFileName), "%s not found!" % imageFileName
ir = ImageReader(imageFileName)
assert ir.getSize() == (110,44)
pixels = ir.getRGBData()
assert md5.md5(pixels).hexdigest() == '02e000bf3ffcefe9fc9660c95d7e27cf'
开发者ID:eaudeweb，项目名称:naaya，代码行数:10，代码来源:test_images.py
示例13: render
def render(self, canvas):
if os.path.isfile(self.link):
im = ImageReader(self.link)
#pdb.set_trace()
size = int(self.height/mm*2.8)
hh = size
ww = int(im.getSize()[0]*hh/im.getSize()[1])
#im.thumbnail((size, size))
canvas.drawImage(im, self.position[0], self.position[1], ww, hh)
else:
print "File", self.link, "not found."
开发者ID:aroche，项目名称:pySequoia，代码行数:11，代码来源:abstractLab.py
示例14: pdf
def pdf(self,REQUEST):
"""
Test
"""
skin = self.portal_skins.invoicing_templates
showTemplate=skin.showIssue
output = StringIO()
c = canvas.Canvas(output,pagesize=letter,bottomup=0)
x=35
y=50
theImage=self.getPicture()
theImageData = StringIO()
theImageUsage = theImage.file._read_data(theImageData)
theImageReader = ImageReader(theImageUsage)
(width,height) = theImageReader.getSize()
parent = self.aq_inner.aq_parent
width = self.getWidth()
height = self.getHeight()
if self.getTopMargin():
y+=15
c.drawImage(theImageReader,x,y,width,height,anchor='ne')
caption = self.getCaption()
credit = self.getCredit()
pdfmetrics.registerFont(TTFont('FilosBold','FilosBol.ttf'))
pdfmetrics.registerFont(TTFont('FilosReg','FilosReg.ttf'))
if caption is not None:
textobject = c.beginText()
h = self.getHeight()
if h is None:
h = 400
textobject.setTextOrigin(x,y+h+30)
fontsize = 14
textobject.setFont("FilosReg", fontsize)
textobject.textLine(caption)
c.drawText(textobject)
if credit is not None:
textobject = c.beginText()
h = self.getHeight()
if h is None:
h = 400
w = self.getWidth()
w = w - 100
textobject.setTextOrigin(x-w,y+h+15)
fontsize = 11
textobject.setFont("FilosReg",fontsize)
textobject.textLine(credit)
c.drawText(textobject)
c.showPage()
c.save()
result = output.getvalue()
output.close()
response = REQUEST.RESPONSE
response.setHeader('Content-type','application/pdf')
return result
开发者ID:newhollandpress，项目名称:newspaper，代码行数:54，代码来源:Pix.py
示例15: draw_image
def draw_image(self, image, alpha_channel=None):
if not image: return
if self.colorspace == uc2const.COLOR_CMYK:
image = self.cms.convert_image(image, uc2const.IMAGE_CMYK)
elif self.colorspace == uc2const.COLOR_RGB:
image = self.cms.convert_image(image, uc2const.IMAGE_RGB)
elif self.colorspace == uc2const.COLOR_GRAY:
image = self.cms.convert_image(image, uc2const.IMAGE_GRAY)
img = ImageReader(image)
img.getRGBData()
if alpha_channel: img._dataA = ImageReader(alpha_channel)
self.canvas.drawImage(img, 0, 0, mask='auto')
开发者ID:sk1project，项目名称:sk1-wx，代码行数:12，代码来源:pdfgen.py
示例16: get_image
def get_image(self, game, path, width=1*cm, height=None):
"""
Create an image from a path - either on on disc or from a web URL.
"""
if self.progress:
print "Retrieving image for game: %7d" % int(game.id)
img = ImageReader(path)
iw, ih = img.getSize()
aspect = ih / float(iw)
if height:
return Image(path, width=(height * aspect), height=height)
else:
return Image(path, width=width, height=(width * aspect))
开发者ID:gamesbook，项目名称:gamereporter，代码行数:13，代码来源:report_builder.py
示例17: __init__
def __init__(self, fileName,ident=None):
# check if the file is remote, if so, download it to a temporary file and reset fileName
self._isRemote = _getIsRemote(fileName)
if self._isRemote:
fileName, self._format = _getRemoteFile(fileName)
else:
self._format = _getFormat(fileName)
if self._format != 'jpg':
raise IllegalFormat(fileName, 'JPG')
ImageReader.__init__(self, fileName, ident)
开发者ID:MobileWebApps，项目名称:splunk-search-tools-app，代码行数:13，代码来源:image_utils.py
示例18: image
def image(self, filename, width=None, height=None, left=0, bottom=0, top=None, right=None, mask=None, preserveAspectRatio=False, anchor='c'):
''' add an image to canvas '''
self.saveState()
image = ImageReader(filename)
width = image.getSize()[0] if width==None else width
height = image.getSize()[1] if height==None else height
width = checkPercent(width, self.width)
height = checkPercent(height, self.height)
x, y = self.placement(width, height, left, bottom, top, right)
self.drawImage(image, x, y, width, height, mask, preserveAspectRatio, anchor)
self.restoreState()
开发者ID:karlpilkington，项目名称:reportlab-wrapper，代码行数:14，代码来源:wrapper.py
示例19: Image
class Image(SimpleChunk):
"""An image."""
def __init__(self, filename, zoom=100, raised_by=0):
self.filename = filename
self.zoom = zoom
self.raised_by = raised_by
self.image = ImageReader(filename)
def size(self, canvas, w, h):
myw, myh = self.image.getSize()
myw = myw * self.zoom / 100
myh = myh * self.zoom / 100
return myw, myh
def drawOn(self, canvas, x, y, w, h):
myw, myh = self.size(canvas, w, h)
raised_by = self.raised_by * myh / 100
try:
canvas.drawImage(self.filename, x, y - myh + raised_by, myw, myh,
mask='auto')
except Exception:
log.debug("Exception in canvas.drawImage:", exc_info=True)
log.warning("Could not render image %s", self.filename)
return x + myw, y
def __str__(self):
return '[%s]' % self.filename
开发者ID:mgedmin，项目名称:mgp2pdf，代码行数:29，代码来源:mgp2pdf.py
示例20: callPDFPDTBySameName
def callPDFPDTBySameName(self,c,x,y,REQUEST,parent,top,pagenumber):
"""
Test
"""
y = 1200 - y
self.left = x
self.top = y
print self.Title()
self.pagenumber=pagenumber
skinTool = getToolByName(self, 'portal_skins')
items = self.listFolderContents(contentFilter={"portal_type":"Advertizement"})
for ad in items:
theImage = ad.getImage()
thePress = ImageReader(StringIO(str(theImage.data)))
(width,height) = thePress.getSize()
c.drawImage(thePress,x,y,width,height)
return (x,y)
开发者ID:newhollandpress，项目名称:newspaper，代码行数:17，代码来源:Company.py
注：本文中的reportlab.lib.utils.ImageReader类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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