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- <title>3.  Opening Files</title>
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- <th colspan="3" align="center">3. 
- <span lang="en" xml:lang="en">Opening Files</span>
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- <span lang="en" xml:lang="en">Getting Images Into GIMP</span>
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- <h2 class="title" style="clear: both"><a id="gimp-using-fileformats-opening"></a>3. 
- <span lang="en" xml:lang="en">Opening Files</span>
- </h2>
- </div>
- <div>
- <div class="revhistory">
- <table border="1" width="100%" summary="Revision history">
- <tr>
- <th align="left" valign="top" colspan="3">
- <b>Revision History</b>
- </th>
- </tr>
- <tr>
- <td align="left">Revision $Revision: 2405 $</td>
- <td align="left">2007-03-14</td>
- <td align="left">lexa</td>
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- <a id="id2588468" class="indexterm"></a>
- <p>
- There are several ways of opening an existing image in
- <acronym class="acronym">GIMP</acronym>:
- </p>
- <div class="sect2" lang="en" xml:lang="en">
- <div class="titlepage">
- <div>
- <div>
- <h3 class="title"><a id="id2588490"></a>3.1. 
- <span lang="en" xml:lang="en">Open File</span>
- </h3>
- </div>
- </div>
- </div>
- <p>
- The most obvious is to open it using a menu, by choosing
- <span class="guimenu">File</span> ‚Üí <span class="guimenuitem">Open</span>
- from either the Toolbox menu or an image menu. This brings up a File
- Chooser dialog, allowing you to navigate to the file and click on its
- name. This method works well if you know the name of the file you want
- to open, and where it is located. It is not so convenient if you want to
- find the file on the basis of a thumbnail.
- </p>
- <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
- <table border="0" summary="Note">
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- <img alt="[Note]" src="../images/note.png" />
- </td>
- <th align="left">Note</th>
- </tr>
- <tr>
- <td align="left" valign="top">
- <p>
- When you open a file, using the File menu or any other method,
- <acronym class="acronym">GIMP</acronym>
- needs to determine what type of file it is. Unless there is no
- alternative, <acronym class="acronym">GIMP</acronym>
- does not simply rely on the extension (such as ".jpg") to determine the
- file type, because extensions are not reliable: they vary from system to
- system; any file can be renamed to have any extension; and there are
- many reasons why a file name might lack an extension. Instead,
- <acronym class="acronym">GIMP</acronym>
- first tries to recognize a file by examining its contents: most of the
- commonly used graphics file formats have "magic headers" that permit
- them to be recognized. Only if the magic yields no result does
- <acronym class="acronym">GIMP</acronym> resort to using the extension.
- </p>
- </td>
- </tr>
- </table>
- </div>
- <div class="figure">
- <a id="id2588566"></a>
- <p class="title">
- <b>Figure 5.4. 
- <span lang="en" xml:lang="en">The “<span class="quote">File Open</span>” dialog.</span>
- </b>
- </p>
- <div class="figure-contents">
- <div class="mediaobject">
- <img src="../images/using/file-open-dialog.png" alt="The File Open dialog." />
- </div>
- </div>
- </div>
- <br class="figure-break" />
- <p>
- <acronym class="acronym">GIMP</acronym>
- 2.2 introduced a new File Chooser that provides several features to help
- you navigate quickly to the file you are looking for. Perhaps the most
- important is the ability to create “<span class="quote">bookmarks</span>”
- for folders that you use often. Your list of bookmarks appears on the
- left side of the dialog. The ones at the top ( “<span class="quote">Home</span>”,
- “<span class="quote">Desktop</span>”, etc) come automatically; the
- others you create using the “<span class="quote">Add</span>”
- button at the bottom of the list. Double-clicking on a bookmark takes
- you straight to that directory.
- </p>
- <p>
- At the center of the dialog appears a listing of the contents of the
- selected directory. Subdirectories are shown at the top of the list,
- files below them. By default all files in the directory are listed, but
- you can restrict the listing to image files of a specific type using the
- File Type selection menu that appears beneath the directory listing.
- </p>
- <p>
- When you click on a file entry in the listing, if it is an image file, a
- preview will appear on the right side of the dialog, along with some
- basic information about the properties of the image. Note that previews
- are cached when they are generated, and there are some things you can do
- that may cause a preview to be incorrect. If you suspect that this may
- be happening, you can force a new preview to be generated by holding
- down the Ctrl key and clicking in the Preview area.
- </p>
- <p>
- One thing that strikes many people when they first see the File Open
- dialog is that there is no way to enter the name of the file using the
- keyboard. Actually this can be done, but the feature is a bit hidden: if
- you type <span class="keycap"><strong>Ctrl</strong></span>+<span class="keycap"><strong>L</strong></span>
- with the dialog focused, an "Open Location" dialog pops up, with a space
- to type the file name. This dialog is described in more detail below.
- </p>
- <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
- <table border="0" summary="Note">
- <tr>
- <td rowspan="2" align="center" valign="top" width="25">
- <img alt="[Note]" src="../images/note.png" />
- </td>
- <th align="left">Note</th>
- </tr>
- <tr>
- <td align="left" valign="top">
- <p>
- In the great majority of cases, if you select a file name from the
- list, and click the “<span class="quote">Open</span>” button in the lower right
- corner or the dialog, <acronym class="acronym">GIMP</acronym> will automatically
- determine the file type for you. On rare occasions, mainly if the
- file type is unusual and the name lacks a meaningful extension,
- this may fail. If this happens, you can tell
- <acronym class="acronym">GIMP</acronym> specifically what type of file it is by
- expanding the “<span class="quote">Select File Typ</span>” option at the bottom
- of the dialog, and choosing an entry from the list that appears.
- More commonly, though, if <acronym class="acronym">GIMP</acronym> fails to open an
- image file, it is either corrupt or not in a supported format.
- </p>
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