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README.md: add more examples of how to use the library

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Johannes 'josch' Schauer 2017-01-20 09:14:36 +01:00
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commit 44ce296581

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@ -135,7 +135,33 @@ You can then test the converter using:
The package can also be used as a library:
import img2pdf
pdf_bytes = img2pdf.convert('test.jpg')
file = open("name.pdf","wb")
file.write(pdf_bytes)
# opening from filename
with open("name.pdf","wb") as f:
f.write(img2pdf.convert('test.jpg'))
# opening from file handle
with open("name.pdf","wb") as f1, open("test.jpg") as f2:
f1.write(img2pdf.convert(f2))
# using in-memory image data
with open("name.pdf","wb") as f:
f.write(img2pdf.convert("\x89PNG...")
# multiple inputs (variant 1)
with open("name.pdf","wb") as f:
f.write(img2pdf.convert("test1.jpg", "test2.png"))
# multiple inputs (variant 2)
with open("name.pdf","wb") as f:
f.write(img2pdf.convert(["test1.jpg", "test2.png"]))
# writing to file descriptor
with open("name.pdf","wb") as f1, open("test.jpg") as f2:
img2pdf.convert(f2, outputstream=f1)
# specify paper size (A4)
a4inpt = (img2pdf.mm_to_pt(210),img2pdf.mm_to_pt(297))
layout_fun = img2pdf.get_layout_fun(a4inpt)
with open("name.pdf","wb") as f:
f.write(img2pdf.convert('test.jpg', layout_fun=layout_fun))