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')
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')
def makeA85Image(filename, IMG=None):
import zlib
img = ImageReader(filename)
if IMG is not None: IMG.append(img)
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 [/A85 /Fl]' %
(imgwidth, imgheight, _mode2cs[img.mode]))
append('ID')
#use a flate filter and Ascii Base 85
assert len(raw) == imgwidth * imgheight * _mode2bpp[
img.mode], "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)
append('EI')
return code
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
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
def test(self):
from reportlab.lib.testutils import testsFolder
from reportlab.lib.utils import rl_isfile
imageFileName = os.path.join(testsFolder,'pythonpowered.gif')
assert rl_isfile(imageFileName), "%s not found!" % imageFileName
ir = ImageReader(imageFileName)
assert ir.getSize() == (110,44)
pixels = ir.getRGBData()
assert md5(pixels).hexdigest() == '02e000bf3ffcefe9fc9660c95d7e27cf'
def test(self):
from reportlab.lib.testutils import testsFolder
from reportlab.lib.utils import rl_isfile
imageFileName = os.path.join(testsFolder, 'pythonpowered.gif')
assert rl_isfile(imageFileName), "%s not found!" % imageFileName
ir = ImageReader(imageFileName)
assert ir.getSize() == (110, 44)
pixels = ir.getRGBData()
assert md5(pixels).hexdigest() == '02e000bf3ffcefe9fc9660c95d7e27cf'
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'
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'
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 makeA85Image(filename,IMG=None):
import zlib
img = ImageReader(filename)
if IMG is not None: IMG.append(img)
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 [/A85 /Fl]' % (imgwidth, imgheight,_mode2cs[img.mode]))
append('ID')
#use a flate filter and Ascii Base 85
assert len(raw) == imgwidth * imgheight*_mode2bpp[img.mode], "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)
append('EI')
return code
def getRGBData(self):
return ImageReader.getRGBData(self)
