136 lines
14 KiB
HTML
136 lines
14 KiB
HTML
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<!-- headerDoc=intf; uid=//apple_ref/occ/intf/JPImagePickerControllerDataSource; name=JPImagePickerControllerDataSource-->
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<a name="//apple_ref/occ/intf/JPImagePickerControllerDataSource"></a><div id='tocMenu'>
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<a name="top"></a>
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<hr><table border="0" cellpadding="2" cellspacing="2" width="300"><tr><td valign="top" height="12" colspan="5"><h1><a name="JPImagePickerControllerDataSource">JPImagePickerControllerDataSource</a></h1>
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</td></tr></table><hr><p><!-- begin abstract --><p>The data source protocol for JPImagePickerController
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<!-- end abstract --></p>
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<p><b>Extends Protocol:</b> <!-- a logicalPath="//apple_ref/occ/intf/NSObject" -->NSObject<!-- /a --><br>
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<b>Declared In:</b> <a href="../../index.html" target="_top">JPImagePickerController.h</a><br>
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</p><div class='declaration_indent'>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Discussion</font>
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</h5><!-- begin discussion --><p>The JPImagePickerController asks this data source for all
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data which it wants to display.
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<!-- end discussion -->
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<p></p><hr><br><a name="HeaderDoc_methods"></a>
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<h2>Methods</h2>
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<dl>
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<dt><tt><a href="index.html#//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:imageForImageNumber:" target="_top">-imagePicker:imageForImageNumber:</a></tt></dt>
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<dd><p>Asks the data source for a image to show in a preview.
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</dd>
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<dt><tt><a href="index.html#//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:thumbnailForImageNumber:" target="_top">-imagePicker:thumbnailForImageNumber:</a></tt></dt>
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<dd><p>Asks the data source for a thumbnail to insert in a particular location
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the image picker.
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</dd>
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<dt><tt><a href="index.html#//apple_ref/occ/intfm/JPImagePickerControllerDataSource/numberOfImagesInImagePicker:" target="_top">-numberOfImagesInImagePicker:</a></tt></dt>
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<dd><p>Should return the number of images.
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</dd>
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</dl>
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<hr><!-- headerDoc=intfm; uid=//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:imageForImageNumber:; name=JPImagePickerControllerDataSource::imagePicker:imageForImageNumber: -->
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<a name="//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:imageForImageNumber:"></a>
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<table border="0" cellpadding="2" cellspacing="2" width="300"><tr><td valign="top" height="12" colspan="5"><h3><a name="imagePicker:imageForImageNumber:">imagePicker:imageForImageNumber:</a></h3>
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</td></tr></table><hr><p><!-- begin abstract --><p>Asks the data source for a image to show in a preview.
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<!-- end abstract --></p>
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<p></p><div class='declaration_indent'>
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<pre>- (<!-- a logicalPath="//apple_ref/occ/cl/UIImage //apple_ref/occ/tdef/UIImage //apple_ref/occ/tag/UIImage //apple_ref/occ/econst/UIImage //apple_ref/occ/struct/UIImage //apple_ref/occ/clconst/UIImage //apple_ref/occ/intf/UIImage" --><span class="type">UIImage</span><!-- /a --> <span class="type">*</span>)<!-- a logicalPath="//apple_ref/occ/instm/imagePicker //apple_ref/occ/clm/imagePicker //apple_ref/occ/intfcm/imagePicker //apple_ref/occ/intfm/imagePicker //apple_ref/occ/func/imagePicker //apple_ref/occ/ftmplt/imagePicker //apple_ref/occ/defn/imagePicker //apple_ref/occ/macro/imagePicker" --><span class="function">imagePicker</span><!-- /a -->:(<!-- a logicalPath="//apple_ref/occ/cl/JPImagePickerController //apple_ref/occ/tdef/JPImagePickerController //apple_ref/occ/tag/JPImagePickerController //apple_ref/occ/econst/JPImagePickerController //apple_ref/occ/struct/JPImagePickerController //apple_ref/occ/clconst/JPImagePickerController //apple_ref/occ/intf/JPImagePickerController" --><span class="type">JPImagePickerController</span><!-- /a --> <span class="type">*</span>)<span class="param">picker</span>
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<!-- a logicalPath="//apple_ref/occ/instm/imageForImageNumber //apple_ref/occ/clm/imageForImageNumber //apple_ref/occ/intfcm/imageForImageNumber //apple_ref/occ/intfm/imageForImageNumber //apple_ref/occ/func/imageForImageNumber //apple_ref/occ/ftmplt/imageForImageNumber //apple_ref/occ/defn/imageForImageNumber //apple_ref/occ/macro/imageForImageNumber" --><span class="function">imageForImageNumber</span><!-- /a -->:(<!-- a logicalPath="//apple_ref/occ/cl/NSInteger //apple_ref/occ/tdef/NSInteger //apple_ref/occ/tag/NSInteger //apple_ref/occ/econst/NSInteger //apple_ref/occ/struct/NSInteger //apple_ref/occ/clconst/NSInteger //apple_ref/occ/intf/NSInteger" --><span class="type">NSInteger</span><!-- /a -->)<!-- a logicalPath="//apple_ref/occ/econst/imageNumber //apple_ref/occ/data/imageNumber" --><span class="var">imageNumber</span><!-- /a -->; </pre>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Parameters</font></h5>
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<div class='param_indent'>
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<dl>
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<dt><code>picker</code></dt><dd><p>A picker-object requesting the image.</dd>
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<dt><code>imageNumber</code></dt><dd><p>A image number locating the image in the picker.</dd>
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</dl>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Discussion</font>
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</h5><!-- begin discussion --><p>This method should return a UIImage image for the preview at
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the image number position. The image should have the width of kJPImagePickerControllerPreviewImageWidth
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and height of kJPImagePickerControllerPreviewImageWidth. If it is not that size the
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image picker will resize it so it fits.
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<!-- end discussion -->
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<p></p><hr><!-- headerDoc=intfm; uid=//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:thumbnailForImageNumber:; name=JPImagePickerControllerDataSource::imagePicker:thumbnailForImageNumber: -->
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<a name="//apple_ref/occ/intfm/JPImagePickerControllerDataSource/imagePicker:thumbnailForImageNumber:"></a>
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<table border="0" cellpadding="2" cellspacing="2" width="300"><tr><td valign="top" height="12" colspan="5"><h3><a name="imagePicker:thumbnailForImageNumber:">imagePicker:thumbnailForImageNumber:</a></h3>
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</td></tr></table><hr><p><!-- begin abstract --><p>Asks the data source for a thumbnail to insert in a particular location
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the image picker.
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<!-- end abstract --></p>
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<p></p><div class='declaration_indent'>
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<pre>- (<!-- a logicalPath="//apple_ref/occ/cl/UIImage //apple_ref/occ/tdef/UIImage //apple_ref/occ/tag/UIImage //apple_ref/occ/econst/UIImage //apple_ref/occ/struct/UIImage //apple_ref/occ/clconst/UIImage //apple_ref/occ/intf/UIImage" --><span class="type">UIImage</span><!-- /a --> <span class="type">*</span>)<!-- a logicalPath="//apple_ref/occ/instm/imagePicker //apple_ref/occ/clm/imagePicker //apple_ref/occ/intfcm/imagePicker //apple_ref/occ/intfm/imagePicker //apple_ref/occ/func/imagePicker //apple_ref/occ/ftmplt/imagePicker //apple_ref/occ/defn/imagePicker //apple_ref/occ/macro/imagePicker" --><span class="function">imagePicker</span><!-- /a -->:(<!-- a logicalPath="//apple_ref/occ/cl/JPImagePickerController //apple_ref/occ/tdef/JPImagePickerController //apple_ref/occ/tag/JPImagePickerController //apple_ref/occ/econst/JPImagePickerController //apple_ref/occ/struct/JPImagePickerController //apple_ref/occ/clconst/JPImagePickerController //apple_ref/occ/intf/JPImagePickerController" --><span class="type">JPImagePickerController</span><!-- /a --> <span class="type">*</span>)<span class="param">picker</span>
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<!-- a logicalPath="//apple_ref/occ/instm/thumbnailForImageNumber //apple_ref/occ/clm/thumbnailForImageNumber //apple_ref/occ/intfcm/thumbnailForImageNumber //apple_ref/occ/intfm/thumbnailForImageNumber //apple_ref/occ/func/thumbnailForImageNumber //apple_ref/occ/ftmplt/thumbnailForImageNumber //apple_ref/occ/defn/thumbnailForImageNumber //apple_ref/occ/macro/thumbnailForImageNumber" --><span class="function">thumbnailForImageNumber</span><!-- /a -->:(<!-- a logicalPath="//apple_ref/occ/cl/NSInteger //apple_ref/occ/tdef/NSInteger //apple_ref/occ/tag/NSInteger //apple_ref/occ/econst/NSInteger //apple_ref/occ/struct/NSInteger //apple_ref/occ/clconst/NSInteger //apple_ref/occ/intf/NSInteger" --><span class="type">NSInteger</span><!-- /a -->)<!-- a logicalPath="//apple_ref/occ/econst/imageNumber //apple_ref/occ/data/imageNumber" --><span class="var">imageNumber</span><!-- /a -->; </pre>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Parameters</font></h5>
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<div class='param_indent'>
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<dl>
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<dt><code>picker</code></dt><dd><p>A picker-object requesting the thumbnail.</dd>
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<dt><code>imageNumber</code></dt><dd><p>A image number locating the image in the picker.</dd>
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</dl>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Discussion</font>
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</h5><!-- begin discussion --><p>This method should return a UIImage thumbnail for a image at the
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image number position. The image should have the width of kJPImagePickerControllerThumbnailWidth
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and height of kJPImagePickerControllerThumbnailWidth. If it is not that size the
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image picker will resize it so it fits.
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<!-- end discussion -->
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<p></p><hr><!-- headerDoc=intfm; uid=//apple_ref/occ/intfm/JPImagePickerControllerDataSource/numberOfImagesInImagePicker:; name=JPImagePickerControllerDataSource::numberOfImagesInImagePicker: -->
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<a name="//apple_ref/occ/intfm/JPImagePickerControllerDataSource/numberOfImagesInImagePicker:"></a>
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<table border="0" cellpadding="2" cellspacing="2" width="300"><tr><td valign="top" height="12" colspan="5"><h3><a name="numberOfImagesInImagePicker:">numberOfImagesInImagePicker:</a></h3>
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</td></tr></table><hr><p><!-- begin abstract --><p>Should return the number of images.
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<!-- end abstract --></p>
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<p></p><div class='declaration_indent'>
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<pre>- (<!-- a logicalPath="//apple_ref/occ/cl/NSInteger //apple_ref/occ/tdef/NSInteger //apple_ref/occ/tag/NSInteger //apple_ref/occ/econst/NSInteger //apple_ref/occ/struct/NSInteger //apple_ref/occ/clconst/NSInteger //apple_ref/occ/intf/NSInteger" --><span class="type">NSInteger</span><!-- /a -->)<!-- a logicalPath="//apple_ref/occ/instm/numberOfImagesInImagePicker //apple_ref/occ/clm/numberOfImagesInImagePicker //apple_ref/occ/intfcm/numberOfImagesInImagePicker //apple_ref/occ/intfm/numberOfImagesInImagePicker //apple_ref/occ/func/numberOfImagesInImagePicker //apple_ref/occ/ftmplt/numberOfImagesInImagePicker //apple_ref/occ/defn/numberOfImagesInImagePicker //apple_ref/occ/macro/numberOfImagesInImagePicker" --><span class="function">numberOfImagesInImagePicker</span><!-- /a -->:(<!-- a logicalPath="//apple_ref/occ/cl/JPImagePickerController //apple_ref/occ/tdef/JPImagePickerController //apple_ref/occ/tag/JPImagePickerController //apple_ref/occ/econst/JPImagePickerController //apple_ref/occ/struct/JPImagePickerController //apple_ref/occ/clconst/JPImagePickerController //apple_ref/occ/intf/JPImagePickerController" --><span class="type">JPImagePickerController</span><!-- /a --> <span class="type">*</span>)<!-- a logicalPath="//apple_ref/occ/econst/picker //apple_ref/occ/data/picker" --><span class="var">picker</span><!-- /a -->; </pre>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Parameters</font></h5>
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<div class='param_indent'>
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<dl>
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<dt><code>picker</code></dt><dd><p>The picker which called this method.</dd>
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</dl>
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</div>
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<h5 class="tight"><font face="Lucida Grande,Helvetica,Arial">Discussion</font>
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</h5><!-- begin discussion --><p>This method should return the number of images which the
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picker should display.
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<!-- end discussion -->
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<p></p><p>Last Updated: Saturday, November 14, 2009
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</p></body></html>
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