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<h1>AppKit/CPImageView.j</h1><a href="_c_p_image_view_8j.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> * CPImageView.j</span>
<a name="l00003"></a>00003 <span class="comment"> * AppKit</span>
<a name="l00004"></a>00004 <span class="comment"> *</span>
<a name="l00005"></a>00005 <span class="comment"> * Created by Francisco Tolmasky.</span>
<a name="l00006"></a>00006 <span class="comment"> * Copyright 2008, 280 North, Inc.</span>
<a name="l00007"></a>00007 <span class="comment"> *</span>
<a name="l00008"></a>00008 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00009"></a>00009 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00010"></a>00010 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00011"></a>00011 <span class="comment"> * version 2.1 of the License, or (at your option) any later version.</span>
<a name="l00012"></a>00012 <span class="comment"> *</span>
<a name="l00013"></a>00013 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00014"></a>00014 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00015"></a>00015 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00016"></a>00016 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00017"></a>00017 <span class="comment"> *</span>
<a name="l00018"></a>00018 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00019"></a>00019 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00020"></a>00020 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022 
<a name="l00023"></a>00023 @<span class="keyword">import</span> &lt;Foundation/<a class="code" href="class_c_p_notification_center.html" title="Sends messages (CPNotification) between objects.">CPNotificationCenter</a>.j&gt;
<a name="l00024"></a>00024 
<a name="l00025"></a>00025 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPControl.j&quot;</span>
<a name="l00026"></a>00026 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPImage.j&quot;</span>
<a name="l00027"></a>00027 @<span class="keyword">import</span> <span class="stringliteral">&quot;CPShadowView.j&quot;</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="preprocessor">#include &quot;<a class="code" href="_platform_8h.html">Platform/Platform.h</a>&quot;</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include &quot;<a class="code" href="_c_p_d_o_m_display_server_8h.html">Platform/DOM/CPDOMDisplayServer.h</a>&quot;</span>
<a name="l00031"></a>00031 
<a name="l00032"></a>00032 <span class="preprocessor">#include &quot;<a class="code" href="_c_g_geometry_8h.html">CoreGraphics/CGGeometry.h</a>&quot;</span>
<a name="l00033"></a>00033 
<a name="l00034"></a><a class="code" href="_c_p_image_view_8j.html#a672945e7b674f4a20d28e13574b63bea">00034</a> <a class="code" href="_c_p_control_8j.html#a07e6a216b8e7a67dd3771f6b927dff7e">CPScaleProportionally</a>   = 0;
<a name="l00035"></a><a class="code" href="_c_p_image_view_8j.html#a1958a88703616678a45bf377a63c74f4">00035</a> <a class="code" href="_c_p_control_8j.html#a1958a88703616678a45bf377a63c74f4">CPScaleToFit</a>            = 1;
<a name="l00036"></a><a class="code" href="_c_p_image_view_8j.html#a4e6257127c44c54db3babcff51ec92ba">00036</a> <a class="code" href="_c_p_control_8j.html#a4e6257127c44c54db3babcff51ec92ba">CPScaleNone</a>             = 2;
<a name="l00037"></a>00037 
<a name="l00038"></a><a class="code" href="_c_p_image_view_8j.html#aab556c7c009e966272193e6964e9aa0f">00038</a> var <a class="code" href="_c_p_image_view_8j.html#aab556c7c009e966272193e6964e9aa0f">CPImageViewShadowBackgroundColor</a> = nil;
<a name="l00039"></a>00039     
<a name="l00040"></a><a class="code" href="_c_p_image_view_8j.html#adfb141c5f40117b3aca2ce465587995d">00040</a> var <a class="code" href="_c_p_image_view_8j.html#adfb141c5f40117b3aca2ce465587995d">LEFT_SHADOW_INSET</a>       = 3.0,
<a name="l00041"></a><a class="code" href="_c_p_image_view_8j.html#ae8c1dd413ea6c58b77601be793b01124">00041</a>     <a class="code" href="_c_p_image_view_8j.html#ae8c1dd413ea6c58b77601be793b01124">RIGHT_SHADOW_INSET</a>      = 3.0,
<a name="l00042"></a><a class="code" href="_c_p_image_view_8j.html#a714fe6f806b69305e8d00364d742c782">00042</a>     <a class="code" href="_c_p_image_view_8j.html#a714fe6f806b69305e8d00364d742c782">TOP_SHADOW_INSET</a>        = 3.0,
<a name="l00043"></a><a class="code" href="_c_p_image_view_8j.html#a14a5b9f75833dbf200ad7318b9d05898">00043</a>     <a class="code" href="_c_p_image_view_8j.html#a14a5b9f75833dbf200ad7318b9d05898">BOTTOM_SHADOW_INSET</a>     = 5.0,
<a name="l00044"></a><a class="code" href="_c_p_image_view_8j.html#a07b82209ef4df1b4c057f97d953c8b6c">00044</a>     <a class="code" href="_c_p_image_view_8j.html#a07b82209ef4df1b4c057f97d953c8b6c">VERTICAL_SHADOW_INSET</a>   = <a class="code" href="_c_p_image_view_8j.html#a714fe6f806b69305e8d00364d742c782">TOP_SHADOW_INSET</a> + <a class="code" href="_c_p_image_view_8j.html#a14a5b9f75833dbf200ad7318b9d05898">BOTTOM_SHADOW_INSET</a>,
<a name="l00045"></a><a class="code" href="_c_p_image_view_8j.html#af0b9cc45ffa3ab68b1c266495bd91973">00045</a>     <a class="code" href="_c_p_image_view_8j.html#af0b9cc45ffa3ab68b1c266495bd91973">HORIZONTAL_SHADOW_INSET</a> = <a class="code" href="_c_p_image_view_8j.html#adfb141c5f40117b3aca2ce465587995d">LEFT_SHADOW_INSET</a> + <a class="code" href="_c_p_image_view_8j.html#ae8c1dd413ea6c58b77601be793b01124">RIGHT_SHADOW_INSET</a>;
<a name="l00046"></a>00046 
<a name="l00053"></a><a class="code" href="class_c_p_image_view.html">00053</a> <span class="keyword">@implementation </span><a class="code" href="class_c_p_image_view.html">CPImageView</a> : <a class="code" href="class_c_p_control.html">CPControl</a>
<a name="l00054"></a>00054 {
<a name="l00055"></a>00055     DOMElement      _DOMImageElement;
<a name="l00056"></a>00056     
<a name="l00057"></a>00057     BOOL            _hasShadow;
<a name="l00058"></a>00058     <a class="code" href="class_c_p_view.html">CPView</a>          _shadowView;
<a name="l00059"></a>00059 
<a name="l00060"></a>00060     BOOL            _isEditable;
<a name="l00061"></a>00061 
<a name="l00062"></a>00062     CGRect          _imageRect;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064 
<a name="l00065"></a><a class="code" href="class_c_p_image_view.html#a103a2eb2769aa15294ad4adae2d99acf">00065</a> - (id)initWithFrame:(CGRect)aFrame
<a name="l00066"></a>00066 {
<a name="l00067"></a>00067     <span class="keyword">self</span> = [<span class="keyword">super</span> initWithFrame:aFrame];
<a name="l00068"></a>00068     
<a name="l00069"></a>00069     <span class="keywordflow">if</span> (<span class="keyword">self</span>)
<a name="l00070"></a>00070     {
<a name="l00071"></a>00071 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00072"></a>00072 <span class="preprocessor"></span>        _DOMImageElement = document.createElement(<span class="stringliteral">&quot;img&quot;</span>);
<a name="l00073"></a>00073         _DOMImageElement.style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00074"></a>00074         _DOMImageElement.style.left = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00075"></a>00075         _DOMImageElement.style.top = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00076"></a>00076 
<a name="l00077"></a>00077         <span class="keywordflow">if</span> ([<a class="code" href="class_c_p_platform.html">CPPlatform</a> supportsDragAndDrop])
<a name="l00078"></a>00078         {
<a name="l00079"></a>00079             _DOMImageElement.setAttribute(<span class="stringliteral">&quot;draggable&quot;</span>, <span class="stringliteral">&quot;true&quot;</span>);
<a name="l00080"></a>00080             _DOMImageElement.style[&quot;-khtml-user-drag&quot;] = <span class="stringliteral">&quot;element&quot;</span>;
<a name="l00081"></a>00081         }
<a name="l00082"></a>00082 
<a name="l00083"></a>00083         <a class="code" href="_c_p_d_o_m_display_server_8h.html#a7674b6a309595bfd6886e83b5a7df3b2">CPDOMDisplayServerAppendChild</a>(_DOMElement, _DOMImageElement);
<a name="l00084"></a>00084         
<a name="l00085"></a>00085         _DOMImageElement.style.visibility = <span class="stringliteral">&quot;hidden&quot;</span>;
<a name="l00086"></a>00086 <span class="preprocessor">#endif</span>
<a name="l00087"></a>00087 <span class="preprocessor"></span>    }
<a name="l00088"></a>00088     
<a name="l00089"></a>00089     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091 
<a name="l00095"></a><a class="code" href="class_c_p_image_view.html#a12f8460258ff760aaca8a7244384e07d">00095</a> - (<a class="code" href="class_c_p_image.html">CPImage</a>)image
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097     <span class="keywordflow">return</span> [<span class="keyword">self</span> objectValue];
<a name="l00098"></a>00098 }
<a name="l00099"></a>00099 
<a name="l00100"></a><a class="code" href="class_c_p_image_view.html#a7a329db295168b4da77bca3029763bfc">00100</a> - (void)setImage:(<a class="code" href="class_c_p_image.html">CPImage</a>)anImage
<a name="l00101"></a>00101 {
<a name="l00102"></a>00102     [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#af53ffb4a62e3a37c1e072bab50120d8a">setObjectValue</a>:anImage];
<a name="l00103"></a>00103 }
<a name="l00104"></a>00104 
<a name="l00106"></a><a class="code" href="class_c_p_image_view.html#af53ffb4a62e3a37c1e072bab50120d8a">00106</a> - (void)setObjectValue:(<a class="code" href="class_c_p_image.html">CPImage</a>)anImage
<a name="l00107"></a>00107 {
<a name="l00108"></a>00108     var oldImage = [<span class="keyword">self</span> objectValue];
<a name="l00109"></a>00109     
<a name="l00110"></a>00110     <span class="keywordflow">if</span> (oldImage === anImage)
<a name="l00111"></a>00111         <span class="keywordflow">return</span>;
<a name="l00112"></a>00112         
<a name="l00113"></a>00113     [<span class="keyword">super</span> setObjectValue:anImage];
<a name="l00114"></a>00114     
<a name="l00115"></a>00115     var defaultCenter = [<a class="code" href="class_c_p_notification_center.html" title="Sends messages (CPNotification) between objects.">CPNotificationCenter</a> <a class="code" href="class_c_p_notification_center.html#a5abe725f1a1a48ac4cb1e45b6d9d50a8">defaultCenter</a>];
<a name="l00116"></a>00116     
<a name="l00117"></a>00117     <span class="keywordflow">if</span> (oldImage)
<a name="l00118"></a>00118         [defaultCenter removeObserver:self name:CPImageDidLoadNotification object:oldImage];
<a name="l00119"></a>00119 
<a name="l00120"></a>00120     var newImage = [<span class="keyword">self</span> objectValue];
<a name="l00121"></a>00121     
<a name="l00122"></a>00122 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00123"></a>00123 <span class="preprocessor"></span>    _DOMImageElement.src = newImage ? [newImage filename] : <span class="stringliteral">&quot;&quot;</span>;
<a name="l00124"></a>00124 <span class="preprocessor">#endif</span>
<a name="l00125"></a>00125 <span class="preprocessor"></span>
<a name="l00126"></a>00126     var <a class="code" href="_c_p_screen_8j.html#ad241596b0d0f8cbdd1529d94ea71337b">size</a> = [newImage size];
<a name="l00127"></a>00127     
<a name="l00128"></a>00128     <span class="keywordflow">if</span> (<a class="code" href="_c_p_screen_8j.html#ad241596b0d0f8cbdd1529d94ea71337b">size</a> &amp;&amp; <a class="code" href="_c_p_screen_8j.html#ad241596b0d0f8cbdd1529d94ea71337b">size</a>.width === -1 &amp;&amp; <a class="code" href="_c_p_screen_8j.html#ad241596b0d0f8cbdd1529d94ea71337b">size</a>.height === -1)
<a name="l00129"></a>00129     {
<a name="l00130"></a>00130         [defaultCenter addObserver:self selector:@selector(imageDidLoad:) name:CPImageDidLoadNotification object:newImage];
<a name="l00131"></a>00131         
<a name="l00132"></a>00132 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00133"></a>00133 <span class="preprocessor"></span>        _DOMImageElement.width = 0;
<a name="l00134"></a>00134         _DOMImageElement.height = 0;
<a name="l00135"></a>00135 <span class="preprocessor">#endif</span>
<a name="l00136"></a>00136 <span class="preprocessor"></span>
<a name="l00137"></a>00137         [_shadowView setHidden:YES];
<a name="l00138"></a>00138     }
<a name="l00139"></a>00139     <span class="keywordflow">else</span>
<a name="l00140"></a>00140     {
<a name="l00141"></a>00141         [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#af742bbc038da7914df0cc20e6501c756">hideOrDisplayContents</a>];
<a name="l00142"></a>00142         [<span class="keyword">self</span> setNeedsLayout];
<a name="l00143"></a>00143         [<span class="keyword">self</span> setNeedsDisplay:YES];
<a name="l00144"></a>00144     }
<a name="l00145"></a>00145 }
<a name="l00146"></a>00146 
<a name="l00147"></a><a class="code" href="class_c_p_image_view.html#a6524facd8627fbe21f13f2e7341812ae">00147</a> - (void)imageDidLoad:(<a class="code" href="class_c_p_notification.html" title="A notification that can be posted to a CPNotificationCenter.">CPNotification</a>)aNotification
<a name="l00148"></a>00148 {
<a name="l00149"></a>00149     [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#af742bbc038da7914df0cc20e6501c756">hideOrDisplayContents</a>];
<a name="l00150"></a>00150     
<a name="l00151"></a>00151     [<span class="keyword">self</span> setNeedsLayout];
<a name="l00152"></a>00152     [<span class="keyword">self</span> setNeedsDisplay:YES];
<a name="l00153"></a>00153 }
<a name="l00154"></a>00154 
<a name="l00159"></a><a class="code" href="class_c_p_image_view.html#a7cbfcbd4731724399593e7bd8fe4f0fc">00159</a> - (BOOL)hasShadow
<a name="l00160"></a>00160 {
<a name="l00161"></a>00161     <span class="keywordflow">return</span> _hasShadow;
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163 
<a name="l00168"></a><a class="code" href="class_c_p_image_view.html#a998b7a7f1a916c99d5b84e001efec361">00168</a> - (void)setHasShadow:(BOOL)shouldHaveShadow
<a name="l00169"></a>00169 {
<a name="l00170"></a>00170     <span class="keywordflow">if</span> (_hasShadow == shouldHaveShadow)
<a name="l00171"></a>00171         <span class="keywordflow">return</span>;
<a name="l00172"></a>00172     
<a name="l00173"></a>00173     _hasShadow = shouldHaveShadow;
<a name="l00174"></a>00174 
<a name="l00175"></a>00175     <span class="keywordflow">if</span> (_hasShadow)
<a name="l00176"></a>00176     {
<a name="l00177"></a>00177         _shadowView = [[<a class="code" href="class_c_p_shadow_view.html">CPShadowView</a> alloc] initWithFrame:[<span class="keyword">self</span> bounds]];
<a name="l00178"></a>00178                         
<a name="l00179"></a>00179         [<span class="keyword">self</span> addSubview:_shadowView];
<a name="l00180"></a>00180         
<a name="l00181"></a>00181         [<span class="keyword">self</span> setNeedsLayout];
<a name="l00182"></a>00182         [<span class="keyword">self</span> setNeedsDisplay:YES];
<a name="l00183"></a>00183     }
<a name="l00184"></a>00184     <span class="keywordflow">else</span>
<a name="l00185"></a>00185     {
<a name="l00186"></a>00186         [_shadowView removeFromSuperview];
<a name="l00187"></a>00187         
<a name="l00188"></a>00188         _shadowView = nil;
<a name="l00189"></a>00189     }
<a name="l00190"></a>00190     
<a name="l00191"></a>00191     [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#af742bbc038da7914df0cc20e6501c756">hideOrDisplayContents</a>];
<a name="l00192"></a>00192 }
<a name="l00193"></a>00193 
<a name="l00199"></a><a class="code" href="class_c_p_image_view.html#ac90f8c8e5357e28585c1e3a7b3d09c96">00199</a> - (void)setImageScaling:(CPImageScaling)anImageScaling
<a name="l00200"></a>00200 {
<a name="l00201"></a>00201     [<span class="keyword">super</span> setImageScaling:anImageScaling];
<a name="l00202"></a>00202     
<a name="l00203"></a>00203 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00204"></a>00204 <span class="preprocessor"></span>    <span class="keywordflow">if</span> ([<span class="keyword">self</span> currentValueForThemeAttribute:<span class="stringliteral">@&quot;image-scaling&quot;</span>] === <a class="code" href="_c_p_control_8j.html#a1958a88703616678a45bf377a63c74f4">CPScaleToFit</a>)
<a name="l00205"></a>00205     {
<a name="l00206"></a>00206         <a class="code" href="_c_p_d_o_m_display_server_8h.html#a75856b74f6280adbef51cd07108e12fa">CPDOMDisplayServerSetStyleLeftTop</a>(_DOMImageElement, NULL, 0.0, 0.0);
<a name="l00207"></a>00207     }
<a name="l00208"></a>00208 <span class="preprocessor">#endif</span>
<a name="l00209"></a>00209 <span class="preprocessor"></span>    
<a name="l00210"></a>00210     [<span class="keyword">self</span> setNeedsLayout];
<a name="l00211"></a>00211     [<span class="keyword">self</span> setNeedsDisplay:YES];
<a name="l00212"></a>00212 }
<a name="l00213"></a>00213 
<a name="l00214"></a><a class="code" href="class_c_p_image_view.html#a2fd1cb7165bc6789a528c13f242febf1">00214</a> - (unsigned)imageScaling
<a name="l00215"></a>00215 {
<a name="l00216"></a>00216     <span class="keywordflow">return</span> [<span class="keyword">self</span> currentValueForThemeAttribute:@&quot;image-scaling&quot;];
<a name="l00217"></a>00217 }
<a name="l00218"></a>00218 
<a name="l00222"></a><a class="code" href="class_c_p_image_view.html#af742bbc038da7914df0cc20e6501c756">00222</a> - (void)hideOrDisplayContents
<a name="l00223"></a>00223 {
<a name="l00224"></a>00224     <span class="keywordflow">if</span> (![<span class="keyword">self</span> image])
<a name="l00225"></a>00225     {
<a name="l00226"></a>00226 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00227"></a>00227 <span class="preprocessor"></span>        _DOMImageElement.style.visibility = <span class="stringliteral">&quot;hidden&quot;</span>;
<a name="l00228"></a>00228 <span class="preprocessor">#endif</span>
<a name="l00229"></a>00229 <span class="preprocessor"></span>        [_shadowView setHidden:YES];
<a name="l00230"></a>00230     }
<a name="l00231"></a>00231     <span class="keywordflow">else</span>
<a name="l00232"></a>00232     {
<a name="l00233"></a>00233 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00234"></a>00234 <span class="preprocessor"></span>        _DOMImageElement.style.visibility = <span class="stringliteral">&quot;visible&quot;</span>;
<a name="l00235"></a>00235 <span class="preprocessor">#endif</span>
<a name="l00236"></a>00236 <span class="preprocessor"></span>        [_shadowView setHidden:NO];
<a name="l00237"></a>00237     }
<a name="l00238"></a>00238 }
<a name="l00239"></a>00239 
<a name="l00243"></a><a class="code" href="class_c_p_image_view.html#a7bd4ac3363de572ddb2c46d6e66ae0c1">00243</a> - (CGRect)imageRect
<a name="l00244"></a>00244 {
<a name="l00245"></a>00245     <span class="keywordflow">return</span> _imageRect;
<a name="l00246"></a>00246 }
<a name="l00247"></a>00247 
<a name="l00251"></a><a class="code" href="class_c_p_image_view.html#a41e0380cb27e6b33a9cdc78c7d0ff2a0">00251</a> - (void)layoutSubviews
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253     <span class="keywordflow">if</span> (![<span class="keyword">self</span> image])
<a name="l00254"></a>00254         <span class="keywordflow">return</span>;
<a name="l00255"></a>00255 
<a name="l00256"></a>00256     var bounds = [<span class="keyword">self</span> bounds],
<a name="l00257"></a>00257         image = [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#a12f8460258ff760aaca8a7244384e07d">image</a>],
<a name="l00258"></a>00258         imageScaling = [<span class="keyword">self</span> currentValueForThemeAttribute:@&quot;image-scaling&quot;],
<a name="l00259"></a>00259         x = 0.0,
<a name="l00260"></a>00260         y = 0.0,
<a name="l00261"></a>00261         insetWidth = (_hasShadow ? <a class="code" href="_c_p_image_view_8j.html#af0b9cc45ffa3ab68b1c266495bd91973">HORIZONTAL_SHADOW_INSET</a> : 0.0),
<a name="l00262"></a>00262         insetHeight = (_hasShadow ? <a class="code" href="_c_p_image_view_8j.html#a07b82209ef4df1b4c057f97d953c8b6c">VERTICAL_SHADOW_INSET</a> : 0.0),
<a name="l00263"></a>00263         boundsWidth = _CGRectGetWidth(bounds),
<a name="l00264"></a>00264         boundsHeight = _CGRectGetHeight(bounds),
<a name="l00265"></a>00265         <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> = boundsWidth - insetWidth,
<a name="l00266"></a>00266         <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> = boundsHeight - insetHeight;
<a name="l00267"></a>00267 
<a name="l00268"></a>00268     <span class="keywordflow">if</span> (imageScaling === <a class="code" href="_c_p_control_8j.html#a1958a88703616678a45bf377a63c74f4">CPScaleToFit</a>)
<a name="l00269"></a>00269     {
<a name="l00270"></a>00270 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00271"></a>00271 <span class="preprocessor"></span>        _DOMImageElement.width = ROUND(<a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a>);
<a name="l00272"></a>00272         _DOMImageElement.height = ROUND(<a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a>);
<a name="l00273"></a>00273 <span class="preprocessor">#endif</span>
<a name="l00274"></a>00274 <span class="preprocessor"></span>    }
<a name="l00275"></a>00275     <span class="keywordflow">else</span>
<a name="l00276"></a>00276     {
<a name="l00277"></a>00277         var <a class="code" href="_c_p_screen_8j.html#ad241596b0d0f8cbdd1529d94ea71337b">size</a> = [<a class="code" href="class_c_p_image_view.html#a12f8460258ff760aaca8a7244384e07d">image</a> <a class="code" href="class_c_p_image.html#ae159de459360523940841fd18bb73d66">size</a>];
<a name="l00278"></a>00278         
<a name="l00279"></a>00279         <span class="keywordflow">if</span> (size.width == -1 &amp;&amp; size.height == -1)
<a name="l00280"></a>00280             <span class="keywordflow">return</span>;
<a name="l00281"></a>00281 
<a name="l00282"></a>00282         <span class="keywordflow">if</span> (imageScaling === <a class="code" href="_c_p_control_8j.html#a07e6a216b8e7a67dd3771f6b927dff7e">CPScaleProportionally</a>)
<a name="l00283"></a>00283         {
<a name="l00284"></a>00284             <span class="comment">// The max size it can be is size.width x size.height, so only</span>
<a name="l00285"></a>00285             <span class="comment">// only proportion otherwise.</span>
<a name="l00286"></a>00286             <span class="keywordflow">if</span> (<a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> &gt;= size.width &amp;&amp; <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> &gt;= size.height)
<a name="l00287"></a>00287             {
<a name="l00288"></a>00288                 <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> = size.width;
<a name="l00289"></a>00289                 <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> = size.height;
<a name="l00290"></a>00290             }
<a name="l00291"></a>00291             <span class="keywordflow">else</span>
<a name="l00292"></a>00292             {
<a name="l00293"></a>00293                 var imageRatio = size.width / size.height,
<a name="l00294"></a>00294                     viewRatio = <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> / <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a>;
<a name="l00295"></a>00295                     
<a name="l00296"></a>00296                 <span class="keywordflow">if</span> (viewRatio &gt; imageRatio)
<a name="l00297"></a>00297                     <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> = <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> * imageRatio;
<a name="l00298"></a>00298                 <span class="keywordflow">else</span>
<a name="l00299"></a>00299                     <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> = <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> / imageRatio;
<a name="l00300"></a>00300             }
<a name="l00301"></a>00301 
<a name="l00302"></a>00302 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00303"></a>00303 <span class="preprocessor"></span>            _DOMImageElement.width = ROUND(<a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a>);
<a name="l00304"></a>00304             _DOMImageElement.height = ROUND(<a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a>);
<a name="l00305"></a>00305 <span class="preprocessor">#endif</span>
<a name="l00306"></a>00306 <span class="preprocessor"></span>        }
<a name="l00307"></a>00307         <span class="keywordflow">else</span>
<a name="l00308"></a>00308         {
<a name="l00309"></a>00309             <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a> = size.width;
<a name="l00310"></a>00310             <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a> = size.height;
<a name="l00311"></a>00311         }
<a name="l00312"></a>00312     
<a name="l00313"></a>00313         <span class="keywordflow">if</span> (imageScaling == <a class="code" href="_c_p_control_8j.html#a4e6257127c44c54db3babcff51ec92ba">CPScaleNone</a>)
<a name="l00314"></a>00314         {
<a name="l00315"></a>00315 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00316"></a>00316 <span class="preprocessor"></span>            _DOMImageElement.width = ROUND(size.width);
<a name="l00317"></a>00317             _DOMImageElement.height = ROUND(size.height);
<a name="l00318"></a>00318 <span class="preprocessor">#endif</span>
<a name="l00319"></a>00319 <span class="preprocessor"></span>        }
<a name="l00320"></a>00320 
<a name="l00321"></a>00321         var x = (boundsWidth - <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a>) / 2.0,
<a name="l00322"></a>00322             y = (boundsHeight - <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a>) / 2.0;
<a name="l00323"></a>00323 
<a name="l00324"></a>00324 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00325"></a>00325 <span class="preprocessor"></span>        <a class="code" href="_c_p_d_o_m_display_server_8h.html#a75856b74f6280adbef51cd07108e12fa">CPDOMDisplayServerSetStyleLeftTop</a>(_DOMImageElement, NULL, x, y);
<a name="l00326"></a>00326 <span class="preprocessor">#endif</span>
<a name="l00327"></a>00327 <span class="preprocessor"></span>    }
<a name="l00328"></a>00328 
<a name="l00329"></a>00329     _imageRect = _CGRectMake(x, y, <a class="code" href="_c_p_segmented_control_8j.html#a2474a5474cbff19523a51eb1de01cda4">width</a>, <a class="code" href="_c_p_screen_8j.html#a4540395d130d8a367becfe06b659b9f1">height</a>);
<a name="l00330"></a>00330     
<a name="l00331"></a>00331     <span class="keywordflow">if</span> (_hasShadow)
<a name="l00332"></a>00332         [_shadowView setFrame:_CGRectMake(x - LEFT_SHADOW_INSET, y - TOP_SHADOW_INSET, width + insetWidth, height + insetHeight)];
<a name="l00333"></a>00333 }
<a name="l00334"></a>00334 
<a name="l00335"></a><a class="code" href="class_c_p_image_view.html#a771724e483483b2159f9a1278dc8c209">00335</a> - (void)mouseDown:(<a class="code" href="class_c_p_event.html">CPEvent</a>)anEvent
<a name="l00336"></a>00336 {
<a name="l00337"></a>00337     <span class="comment">// Should we do something with this event?</span>
<a name="l00338"></a>00338     [[<span class="keyword">self</span> nextResponder] mouseDown:anEvent];
<a name="l00339"></a>00339 }
<a name="l00340"></a>00340 
<a name="l00341"></a><a class="code" href="class_c_p_image_view.html#af184ef63975091d512288deaa8bbdfcc">00341</a> - (void)setEditable:(BOOL)shouldBeEditable
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343     <span class="keywordflow">if</span> (_isEditable === shouldBeEditable)
<a name="l00344"></a>00344         <span class="keywordflow">return</span>;
<a name="l00345"></a>00345 
<a name="l00346"></a>00346     _isEditable = shouldBeEditable;
<a name="l00347"></a>00347 
<a name="l00348"></a>00348     <span class="keywordflow">if</span> (_isEditable)
<a name="l00349"></a>00349         [<span class="keyword">self</span> registerForDraggedTypes:[CPImagesPboardType]];
<a name="l00350"></a>00350 
<a name="l00351"></a>00351     <span class="keywordflow">else</span>
<a name="l00352"></a>00352     {
<a name="l00353"></a>00353         var draggedTypes = [<span class="keyword">self</span> registeredDraggedTypes];
<a name="l00354"></a>00354 
<a name="l00355"></a>00355         [<span class="keyword">self</span> unregisterDraggedTypes];
<a name="l00356"></a>00356 
<a name="l00357"></a>00357         [draggedTypes removeObjectIdenticalTo:CPImagesPboardType];
<a name="l00358"></a>00358 
<a name="l00359"></a>00359         [<span class="keyword">self</span> registerForDraggedTypes:draggedTypes];
<a name="l00360"></a>00360     }
<a name="l00361"></a>00361 }
<a name="l00362"></a>00362 
<a name="l00363"></a><a class="code" href="class_c_p_image_view.html#a1273e74a3080279b02f6007c32dc556b">00363</a> - (BOOL)isEditable
<a name="l00364"></a>00364 {
<a name="l00365"></a>00365     <span class="keywordflow">return</span> _isEditable;
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367 
<a name="l00368"></a><a class="code" href="class_c_p_image_view.html#a4bc3ff3593c751e31c1205836554e104">00368</a> - (void)performDragOperation:(<a class="code" href="class_c_p_dragging_info.html">CPDraggingInfo</a>)aSender
<a name="l00369"></a>00369 {
<a name="l00370"></a>00370     var images = [<a class="code" href="class_c_p_keyed_unarchiver.html" title="Unarchives objects created using CPKeyedArchiver.">CPKeyedUnarchiver</a> <a class="code" href="class_c_p_keyed_unarchiver.html#af40950c4b7c66437516eeb96ff3f27d6">unarchiveObjectWithData</a>:[[aSender draggingPasteboard] dataForType:CPImagesPboardType]];
<a name="l00371"></a>00371 
<a name="l00372"></a>00372     <span class="keywordflow">if</span> ([images count])
<a name="l00373"></a>00373         [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#a7a329db295168b4da77bca3029763bfc">setImage</a>:images[0]];
<a name="l00374"></a>00374 }
<a name="l00375"></a>00375 
<a name="l00376"></a>00376 <span class="keyword">@end</span>
<a name="l00377"></a>00377 
<a name="l00378"></a><a class="code" href="_c_p_image_view_8j.html#a79ea7f5e887d96923acd107becd300be">00378</a> var <a class="code" href="_c_p_image_view_8j.html#a79ea7f5e887d96923acd107becd300be">CPImageViewImageKey</a>         = <span class="stringliteral">@&quot;CPImageViewImageKey&quot;</span>,
<a name="l00379"></a><a class="code" href="_c_p_image_view_8j.html#abecf79638f97b937d6eb2bfa00481373">00379</a>     <a class="code" href="_c_p_image_view_8j.html#abecf79638f97b937d6eb2bfa00481373">CPImageViewImageScalingKey</a>  = <span class="stringliteral">@&quot;CPImageViewImageScalingKey&quot;</span>,
<a name="l00380"></a><a class="code" href="_c_p_image_view_8j.html#a6899e0bd3e8b2fb0bdb7f7271db43820">00380</a>     <a class="code" href="_c_p_image_view_8j.html#a6899e0bd3e8b2fb0bdb7f7271db43820">CPImageViewHasShadowKey</a>     = <span class="stringliteral">@&quot;CPImageViewHasShadowKey&quot;</span>,
<a name="l00381"></a><a class="code" href="_c_p_image_view_8j.html#a6b26df267d4ff2a4cb12eca070316684">00381</a>     <a class="code" href="_c_p_image_view_8j.html#a6b26df267d4ff2a4cb12eca070316684">CPImageViewIsEditableKey</a>    = <span class="stringliteral">@&quot;CPImageViewIsEditableKey&quot;</span>;
<a name="l00382"></a>00382 
<a name="l00383"></a>00383 <span class="keyword">@implementation </span><a class="code" href="class_c_p_image_view.html">CPImageView</a> (CPCoding)
<a name="l00384"></a>00384 
<a name="l00390"></a><a class="code" href="class_c_p_image_view.html#a10821214be70889f12d7f637a8de537d">00390</a> - (id)initWithCoder:(<a class="code" href="class_c_p_coder.html" title="Defines methods for use when archiving &amp;amp; restoring (enc/decoding).">CPCoder</a>)aCoder
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00393"></a>00393 <span class="preprocessor"></span>    _DOMImageElement = document.createElement(<span class="stringliteral">&quot;img&quot;</span>);
<a name="l00394"></a>00394     _DOMImageElement.style.position = <span class="stringliteral">&quot;absolute&quot;</span>;
<a name="l00395"></a>00395     _DOMImageElement.style.left = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00396"></a>00396     _DOMImageElement.style.top = <span class="stringliteral">&quot;0px&quot;</span>;
<a name="l00397"></a>00397     _DOMImageElement.style.visibility = <span class="stringliteral">&quot;hidden&quot;</span>;
<a name="l00398"></a>00398     <span class="keywordflow">if</span> ([<a class="code" href="class_c_p_platform.html">CPPlatform</a> supportsDragAndDrop])
<a name="l00399"></a>00399     {
<a name="l00400"></a>00400         _DOMImageElement.setAttribute(<span class="stringliteral">&quot;draggable&quot;</span>, <span class="stringliteral">&quot;true&quot;</span>);
<a name="l00401"></a>00401         _DOMImageElement.style[&quot;-khtml-user-drag&quot;] = <span class="stringliteral">&quot;element&quot;</span>;
<a name="l00402"></a>00402     }
<a name="l00403"></a>00403 <span class="preprocessor">#endif</span>
<a name="l00404"></a>00404 <span class="preprocessor"></span>
<a name="l00405"></a>00405     <span class="keyword">self</span> = [<span class="keyword">super</span> initWithCoder:aCoder];
<a name="l00406"></a>00406     
<a name="l00407"></a>00407     <span class="keywordflow">if</span> (<span class="keyword">self</span>)
<a name="l00408"></a>00408     {
<a name="l00409"></a>00409 <span class="preprocessor">#if PLATFORM(DOM)</span>
<a name="l00410"></a>00410 <span class="preprocessor"></span>        _DOMElement.appendChild(_DOMImageElement);
<a name="l00411"></a>00411 <span class="preprocessor">#endif</span>
<a name="l00412"></a>00412 <span class="preprocessor"></span>
<a name="l00413"></a>00413         [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#a998b7a7f1a916c99d5b84e001efec361">setHasShadow</a>:[aCoder decodeBoolForKey:CPImageViewHasShadowKey]];
<a name="l00414"></a>00414         
<a name="l00415"></a>00415         <span class="keywordflow">if</span> ([aCoder decodeBoolForKey:<a class="code" href="_c_p_image_view_8j.html#a6b26df267d4ff2a4cb12eca070316684">CPImageViewIsEditableKey</a>] || NO)
<a name="l00416"></a>00416             [<span class="keyword">self</span> <a class="code" href="class_c_p_image_view.html#af184ef63975091d512288deaa8bbdfcc">setEditable</a>:YES];
<a name="l00417"></a>00417 
<a name="l00418"></a>00418         [<span class="keyword">self</span> setNeedsLayout];
<a name="l00419"></a>00419         [<span class="keyword">self</span> setNeedsDisplay:YES];
<a name="l00420"></a>00420     }
<a name="l00421"></a>00421     
<a name="l00422"></a>00422     <span class="keywordflow">return</span> <span class="keyword">self</span>;
<a name="l00423"></a>00423 }
<a name="l00424"></a>00424 
<a name="l00430"></a><a class="code" href="class_c_p_image_view.html#a34119b33715c8df0af8e08b1deb32cfc">00430</a> - (void)encodeWithCoder:(<a class="code" href="class_c_p_coder.html" title="Defines methods for use when archiving &amp;amp; restoring (enc/decoding).">CPCoder</a>)aCoder
<a name="l00431"></a>00431 {
<a name="l00432"></a>00432     <span class="comment">// We do this in order to avoid encoding the _shadowView, which </span>
<a name="l00433"></a>00433     <span class="comment">// should just automatically be created programmatically as needed.</span>
<a name="l00434"></a>00434     <span class="keywordflow">if</span> (_shadowView)
<a name="l00435"></a>00435     {
<a name="l00436"></a>00436         var actualSubviews = _subviews;
<a name="l00437"></a>00437         
<a name="l00438"></a>00438         _subviews = [_subviews copy];
<a name="l00439"></a>00439         [_subviews removeObjectIdenticalTo:_shadowView];
<a name="l00440"></a>00440     }
<a name="l00441"></a>00441         
<a name="l00442"></a>00442     [<span class="keyword">super</span> encodeWithCoder:aCoder];
<a name="l00443"></a>00443     
<a name="l00444"></a>00444     <span class="keywordflow">if</span> (_shadowView)
<a name="l00445"></a>00445         _subviews = actualSubviews;
<a name="l00446"></a>00446     
<a name="l00447"></a>00447     [aCoder encodeBool:_hasShadow forKey:CPImageViewHasShadowKey];
<a name="l00448"></a>00448 
<a name="l00449"></a>00449     <span class="keywordflow">if</span> (_isEditable)
<a name="l00450"></a>00450         [aCoder encodeBool:_isEditable forKey:CPImageViewIsEditableKey];
<a name="l00451"></a>00451 }
<a name="l00452"></a>00452 
<a name="l00453"></a>00453 <span class="keyword">@end</span>
</pre></div></div>
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