gnome-devel-docs 3.28.0-1 / usr / share / help / ko / gnome-devel-demos / image.py.page

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<?xml version="1.0" encoding="utf-8"?>
<page xmlns="http://projectmallard.org/1.0/" xmlns:its="http://www.w3.org/2005/11/its" xmlns:xi="http://www.w3.org/2001/XInclude" type="guide" style="task" id="image.py" xml:lang="ko">
  <info>
    <title type="text">Image(Python)</title>
    <link type="guide" xref="beginner.py#display-widgets"/>
    <link type="seealso" xref="properties.py"/>
    <link type="next" xref="strings.py"/>
    <revision version="0.2" date="2012-06-14" status="draft"/>

    <credit type="author copyright">
      <name>Marta Maria Casetti</name>
      <email its:translate="no">mmcasetti@gmail.com</email>
      <years>2012</years>
    </credit>
    <credit type="editor">
      <name>Sindhu S</name>
      <email its:translate="no">sindhus@live.in</email>
      <years>2014</years>
    </credit>

    <desc>그림을 표시하는 위젯</desc>
  
    <mal:credit xmlns:mal="http://projectmallard.org/1.0/" type="translator copyright">
      <mal:name>조성호</mal:name>
      <mal:email>shcho@gnome.org</mal:email>
      <mal:years>2017</mal:years>
    </mal:credit>
  </info>

  <title>Image</title>
  <media type="image" mime="image/png" src="media/image.png"/>
  <p>이 GtkApplication에서는 현재 디렉터리의 그림파일을 보여줍니다.</p>

  <note><p>그림 파일을 제대로 불러오지 않았다면, 그림에 "깨진 그림" 아이콘이 들어갑니다. 이 코드가 동작하려면 현재 디렉터리에 <file>filename.png</file> 파일이 있어야합니다.</p></note>

  <links type="section"/>

  <section id="code">
  <title>예제 결과를 만드는 코드</title>

  <code mime="text/x-python" style="numbered">
  from gi.repository import Gtk
import sys


class MyWindow(Gtk.ApplicationWindow):
    # create a window

    def __init__(self, app):
        Gtk.Window.__init__(self, title="Welcome to GNOME", application=app)
        self.set_default_size(300, 300)

        # create an image
        image = Gtk.Image()
        # set the content of the image as the file filename.png
        image.set_from_file("gnome-image.png")
        # add the image to the window
        self.add(image)


class MyApplication(Gtk.Application):

    def __init__(self):
        Gtk.Application.__init__(self)

    def do_activate(self):
        win = MyWindow(self)
        win.show_all()

    def do_startup(self):
        Gtk.Application.do_startup(self)

app = MyApplication()
exit_status = app.run(sys.argv)
sys.exit(exit_status)

  </code>

  <p>우리 예제에서 그림을 다른 클래스의 인스턴스로 만들고 <code>do_activate(self)</code> 메서드에서 <code>MyWindow</code>의 인스턴스로 초기화 하는 다른 방법이 있습니다:</p>

  <code mime="text/x-python">
    # a class to create a window
    class MyWindow(Gtk.ApplicationWindow):
    def __init__(self, app):
        Gtk.Window.__init__(self, title="Welcome to GNOME", application=app)
        self.set_default_size(300, 300)

    # a class to create an image
    class MyImage(Gtk.Image):
    def __init__(self):
        Gtk.Image.__init__(self)
        self.set_from_file("gnome-image.png")

    class MyApplication(Gtk.Application):
    def __init__(self):
        Gtk.Application.__init__(self)

    def do_activate(self):
        # create an instance of MyWindow
        win = MyWindow(self)
        # create an instance of MyImage and add it to the window
        win.add(MyImage())
        # show the window and everything on it
        win.show_all()
  </code>

  <note>
    <p>이 코드 부분을 사용하려면, <code>gi.repository</code>에서 <code>Gtk</code>와 <code>GdkPixbuf</code>를 임포팅하는 코드와 <code>MyApplication</code> 창을 초기화하는 여러 줄의 코드를 추가해야 합니다.</p>
  </note>
  </section>

  <section id="methods">
  <title>Image 위젯에 쓸만한 메서드</title>

  <list>
    <item>
      <p>네트워크에서 그림을 불러오려면 <code>set_from_pixbuf(pixbuf)</code> 함수를 사용하십시오. 여기서 <code>pixbuf</code>는 <link href="https://developer.gnome.org/gdk-pixbuf/unstable/index.html"> GdkPixbuf</link>입니다.</p>
      <code mime="text/python">
        from gi.repository import Gtk
        from gi.repository import GdkPixbuf
        import sys

        class MyWindow(Gtk.ApplicationWindow):
            # create a window
            def __init__(self, app):
                Gtk.Window.__init__(self, title="Welcome to GNOME", application=app)
                self.set_default_size(300, 300)

                # create a pixbuf from file filename="gnome-image.png", with width=32
                # and height=64 amd boolean preserve_aspect_ratio=False.
                pixbuf = GdkPixbuf.Pixbuf.new_from_file_at_scale("gnome-image.png", 64, 128, False)

                # create an image
                image = Gtk.Image()
                # set the content of the image as the pixbuf
                image.set_from_pixbuf(pixbuf)
                # add the image to the window
                self.add(image)
        </code>
        <p><code>preserve_aspect_ratio=True</code>이면, <code>new_from_file_at_size(filename, width, height)</code> 함수를 사용할 수 있습니다. <code>width</code> 또는 <code>height</code> 값이 <code>-1</code>이면 제약을 받지 않습니다.</p>
        <p>입력 스트림에서 불러오는 방법을 알아보려면, 문서에서 <code>new_from_stream()</code>함수와 <code>new_from_stream_at_scale()</code>함수 내용을 참고하십시오.</p>
    </item>
  </list>
  </section>

  <section id="references">
    <title>API 참고서</title>

    <p>이 예제는 다음 참고자료가 필요합니다:</p>
    <list>
      <item>
        <p><link href="https://developer.gnome.org/gtk3/unstable/GtkImage.html"> GtkImage</link></p>
      </item>
      <item>
        <p><link href="https://developer.gnome.org/gtk3/unstable/GtkWindow.html"> GtkWindow</link></p>
      </item>
    </list>

  </section>
</page>

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