53 lines
1.3 KiB
XML
53 lines
1.3 KiB
XML
<?xml version="1.0"?>
|
|
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
|
|
"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
|
|
]>
|
|
<refentry id="using-from-python">
|
|
<refmeta>
|
|
<refentrytitle>VIPS from Python</refentrytitle>
|
|
<manvolnum>3</manvolnum>
|
|
<refmiscinfo>VIPS Library</refmiscinfo>
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>Using VIPS</refname>
|
|
<refpurpose>How to use the VIPS library from Python</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsect1 id="using-python">
|
|
<title>Using VIPS from Python</title>
|
|
<para>
|
|
VIPS comes with a convenient, high-level C API. You should read the API
|
|
docs for full details, but this section will try to give a brief
|
|
overview. The <command>vips</command> program is handy for getting a
|
|
summary of an operation's parameters.
|
|
</para>
|
|
|
|
<example>
|
|
<title>VIPS from Python example</title>
|
|
<programlisting language="Python">
|
|
#!/usr/bin/python
|
|
|
|
import sys
|
|
|
|
import logging
|
|
#logging.basicConfig(level = logging.DEBUG)
|
|
|
|
from gi.repository import Vips
|
|
|
|
a = Vips.Image.black(100, 100)
|
|
b = a.bandjoin(2)
|
|
|
|
b.write_to_file("x.v")
|
|
|
|
txt = Vips.Image.text("left corner", dpi = 300)
|
|
|
|
c = txt.ifthenelse(2, [0, 255, 0], blend = True)
|
|
|
|
c.write_to_file("x2.v")
|
|
</programlisting>
|
|
</example>
|
|
|
|
</refsect1>
|
|
</refentry>
|