def pdf2images(name):
np = getPdfNumPages(name)
for p in range(np):
i = Image()
i.density('200')
i.quality(100)
i.depth(24)
#i.backgroundColor(
#i.channel(
i.read(name + '[' + str(p) + ']')
i.write(name + str(p) + defaultImageExtension)
def convert_photo_to_jpeg(photo_path):
print 'Converting %s to JPEG...' % (photo_path,)
image = Image(photo_path)
image.magick("jpeg")
image.quality(100)
(_, file_name) = os.path.split(photo_path)
file_name = convert_local_filename_to_flickr(file_name)
file_name = os.path.join(tempfile.mkdtemp('.flickrsmartsync'), file_name)
image.write(file_name)
print 'Done converting photo!'
return file_name
def pdf2img(input_pdf, postfix='.png'):
img = Image(input_pdf)
img.density('300')
size = "%sx%s" % (img.columns(), img.rows())
output_img = Image(size, bgcolor)
output_img.type = img.type
output_img.composite(img, 0, 0,
PythonMagick.CompositeOperator.SrcOverCompositeOp)
output_img.resize(str(img.rows()))
output_img.magick('JPG')
output_img.quality(75)
output_jpg = input_pdf.replace(".pdf", postfix)
if os.path.exists(output_jpg):
os.remove(output_jpg)
output_img.write(output_jpg)
def pdf2img(input_pdf, postfix='.png', **kwargs):
# print os.path.exists(input_pdf)
img = Image(input_pdf)
img.density('300')
size = "%sx%s" % (img.columns(), img.rows())
output_img = Image(size, bgcolor)
output_img.type = img.type
output_img.composite(img, 0, 0,
PythonMagick.CompositeOperator.SrcOverCompositeOp)
output_img.resize(str(img.rows()))
output_img.magick('JPG')
output_img.quality(75)
if 'out_path' in kwargs:
output_jpg = kwargs['out_path']
else:
output_jpg = input_pdf + postfix
if os.path.exists(output_jpg):
os.remove(output_jpg)
output_img.write(output_jpg)
def pad_image_to_x480(file):
from PythonMagick import Image, CompositeOperator
fname = file.split(".")[0]
ext = file.split(".")[-1]
outfile = os.path.join(destdir, fname + "_" + "l" + ".jpg")
## Make BG layer
bgimg = Image('400x480', 'white')
## Open Primary image
img = Image(file)
img.backgroundColor("white")
img.sample('350x432')
# Composite + Save Primary over bg, padding primary with white of bg
type = img.type
img.composite(bgimg, 0, 0, CompositeOperator.DstOverCompositeOp)
img.magick('JPG')
img.type = type
img.quality(100)
img.write(outfile)
def pdf_to_image():
for pdf in [
pdf_file for pdf_file in os.listdir(pdf_dir)
if pdf_file.endswith(".pdf")
]:
input_pdf = pdf_dir + "\\" + pdf + "[1]"
img = Image()
img.density('300')
print input_pdf
img.read(input_pdf)
size = "%sx%s" % (img.columns(), img.rows())
output_img = Image(size, bg_colour)
output_img.type = img.type
output_img.composite(img, 0, 0,
PythonMagick.CompositeOperator.SrcOverCompositeOp)
output_img.resize(str(img.rows()))
output_img.magick('JPG')
output_img.quality(75)
output_jpg = input_pdf.replace(".pdf", ".jpg")
output_img.write(output_jpg)
from PythonMagick import Image
from datetime import datetime
start_time = datetime.now()
pdf_dir = "/run/media/gru/Storage/Thesis-Latex/figures/vis-results"
bg_colour = "#ffffff"
for root, _, pdfs in os.walk(pdf_dir):
for pdf in pdfs:
if '.pdf' in pdf:
input_pdf = os.path.join(root, pdf)
print(input_pdf)
img = Image()
# img.density('300')
img.read(input_pdf)
size = "%sx%s" % (img.columns(), img.rows())
output_img = Image(size, bg_colour)
output_img.type = img.type
output_img.composite(
img, 0, 0, PythonMagick.CompositeOperator.SrcOverCompositeOp)
output_img.resize(str(800))
output_img.magick('PNG')
output_img.quality(75)
output_jpg = input_pdf.replace(".pdf", ".png")
output_img.write(output_jpg)
print(datetime.now() - start_time)
import os
import PythonMagick
import ghostscript
from PythonMagick import Image
pdf_dir = 'C:\\Users\\user\\Desktop\\fp'
bg_colour = "#ffffff"
for pdf in [pdf_file for pdf_file in os.listdir(pdf_dir) if pdf_file.endswith(".pdf")]:
input_pdf = pdf_dir + "\\" + pdf
img = PythonMagick.Image(input_pdf)
img.density('300')
size = "%sx%s" % (img.columns(), img.rows())
output_img = Image(size,bg_colour)
output_img.type = img.type
output_img.composite(img,0,0,PythonMagick.CompositeOperator.SrcOverCompositeOp)
output_img.resize(str(img.rows()))
output_img.magick('JPG')
output_img.quality(100)
output_jpg = input_pdf.replace(".pdf", ".jpg")
output_img.write(output_jpg)
print "finish"
import os
from PyPDF4 import PdfFileReader, PdfFileWriter
from tempfile import NamedTemporaryFile
from PythonMagick import Image
reader = PdfFileReader(open("D:/data/pdf-scan/普通生物学（清晰PDF版）.pdf", "rb"))
for page_num in range(reader.getNumPages()):
writer = PdfFileWriter()
writer.addPage(reader.getPage(page_num))
temp = NamedTemporaryFile(prefix=str(page_num), suffix=".pdf", delete=False)
writer.write(temp)
print(temp.name)
tempname = temp.name
temp.close()
im = Image(tempname)
im.quality(100) # 0-100 full compression
# 不保持比例
#im.sample('298x412!')
# 保持比例
im.sample('1788x2526')
#im.density("3000") # DPI, for better quality
# im.read(tempname)
im.write("D:/data/pdf-scan/temp-pdf/{}.jpeg".format(page_num))
os.remove(tempname)
def modify_images(application_path):
output_dirs = [
path.join(application_path, "..", "512"),
path.join(application_path, "..", "150")
]
count_files = 0
override = None
FileUtilities.create_needed_folder(output_dirs)
print()
print(
"\t--------------------------------------------------------------------"
)
print()
print("\tErstelle die Bilder in der Größe \"512px\":")
print()
for filename in listdir(application_path):
if not filename.endswith(".jpg"):
continue
if path.isfile(path.join(output_dirs[0], filename)):
if override is None:
override = TerminalUtilities.query_yes_no(
"\tSollen die bereits vorhandenen Bilder überschrieben werden?",
False)
if not override:
continue
try:
img = Image(path.join(application_path, filename))
# noinspection PyArgumentList
img.strip()
# noinspection PyArgumentList
img.trim()
img.quality(80)
img.resize("512x512>")
img.write(path.join(output_dirs[0], filename))
except RuntimeError as error:
TerminalUtilities.error_handler(str(error), "RuntimeError")
print("\t" + filename + "\t erfolgreich erstellt.")
count_files += 1
print()
print("\tInsgesamt wurden " + str(count_files) +
" Bilder in der Größe \"512px\" erzeugt.")
print()
print(
"\t--------------------------------------------------------------------"
)
print()
print("\tErstelle die Bilder in der Größe \"150px\":")
print()
count_files = 0
for filename in listdir(output_dirs[0]):
if not filename.endswith(".jpg"):
continue
if (not override) and (path.isfile(path.join(output_dirs[1],
filename))):
continue
img = Image(path.join(output_dirs[0], filename))
img.resize("150x150>")
img.write(path.join(output_dirs[1], filename))
print("\t" + filename + "\t erfolgreich erstellt.")
count_files += 1
print()
print("\tInsgesamt wurden " + str(count_files) +
" Bilder in der Größe \"150px\" erzeugt.")