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<div class="title">src/core/src/NIFoundationMethods.m</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
<a name="l00002"></a>00002 <span class="comment">// Copyright 2011 Jeff Verkoeyen</span>
<a name="l00003"></a>00003 <span class="comment">//</span>
<a name="l00004"></a>00004 <span class="comment">// Licensed under the Apache License, Version 2.0 (the "License");</span>
<a name="l00005"></a>00005 <span class="comment">// you may not use this file except in compliance with the License.</span>
<a name="l00006"></a>00006 <span class="comment">// You may obtain a copy of the License at</span>
<a name="l00007"></a>00007 <span class="comment">//</span>
<a name="l00008"></a>00008 <span class="comment">// http://www.apache.org/licenses/LICENSE-2.0</span>
<a name="l00009"></a>00009 <span class="comment">//</span>
<a name="l00010"></a>00010 <span class="comment">// Unless required by applicable law or agreed to in writing, software</span>
<a name="l00011"></a>00011 <span class="comment">// distributed under the License is distributed on an "AS IS" BASIS,</span>
<a name="l00012"></a>00012 <span class="comment">// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</span>
<a name="l00013"></a>00013 <span class="comment">// See the License for the specific language governing permissions and</span>
<a name="l00014"></a>00014 <span class="comment">// limitations under the License.</span>
<a name="l00015"></a>00015 <span class="comment">//</span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="preprocessor">#import "NIFoundationMethods.h"</span>
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="preprocessor">#import "NIDebuggingTools.h"</span>
<a name="l00020"></a>00020
<a name="l00021"></a>00021
<a name="l00024"></a>00024 <span class="preprocessor">#pragma mark -</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span><span class="preprocessor">#pragma mark CGRect Methods</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027
<a name="l00029"></a><a class="code" href="group___c_g_rect-_methods.html#ga931be414630989f17e57381643459857">00029</a> CGRect <a class="code" href="group___c_g_rect-_methods.html#ga931be414630989f17e57381643459857" title="Modifies only the right and bottom edges of a CGRect.">NIRectContract</a>(CGRect rect, CGFloat dx, CGFloat dy) {
<a name="l00030"></a>00030 <span class="keywordflow">return</span> CGRectMake(rect.origin.x, rect.origin.y, rect.size.width - dx, rect.size.height - dy);
<a name="l00031"></a>00031 }
<a name="l00032"></a>00032
<a name="l00033"></a>00033
<a name="l00035"></a><a class="code" href="group___c_g_rect-_methods.html#gabcfc5613fd39ec197b2b2f6377d7d1b2">00035</a> CGRect <a class="code" href="group___c_g_rect-_methods.html#gabcfc5613fd39ec197b2b2f6377d7d1b2" title="Modifies only the top and left edges of a CGRect.">NIRectShift</a>(CGRect rect, CGFloat dx, CGFloat dy) {
<a name="l00036"></a>00036 <span class="keywordflow">return</span> CGRectOffset(<a class="code" href="group___c_g_rect-_methods.html#ga931be414630989f17e57381643459857" title="Modifies only the right and bottom edges of a CGRect.">NIRectContract</a>(rect, dx, dy), dx, dy);
<a name="l00037"></a>00037 }
<a name="l00038"></a>00038
<a name="l00039"></a>00039
<a name="l00042"></a>00042 <span class="preprocessor">#pragma mark -</span>
<a name="l00043"></a>00043 <span class="preprocessor"></span><span class="preprocessor">#pragma mark NSRange Methods</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span>
<a name="l00045"></a>00045
<a name="l00047"></a><a class="code" href="group___n_s_range-_methods.html#ga77e0126e3a06cedd946d9307d286c55b">00047</a> NSRange <a class="code" href="group___n_s_range-_methods.html#ga77e0126e3a06cedd946d9307d286c55b" title="Create an NSRange object from a CFRange object.">NIMakeNSRangeFromCFRange</a>(CFRange range) {
<a name="l00048"></a>00048 <span class="comment">// CFRange stores its values in signed longs, but we're about to copy the values into</span>
<a name="l00049"></a>00049 <span class="comment">// unsigned integers, let's check whether we're about to lose any information.</span>
<a name="l00050"></a>00050 NIDASSERT(range.location >= 0 && range.location <= NSIntegerMax);
<a name="l00051"></a>00051 NIDASSERT(range.length >= 0 && range.length <= NSIntegerMax);
<a name="l00052"></a>00052 <span class="keywordflow">return</span> NSMakeRange(range.location, range.length);
<a name="l00053"></a>00053 }
<a name="l00054"></a>00054
<a name="l00055"></a>00055
<a name="l00058"></a>00058 <span class="preprocessor">#pragma mark -</span>
<a name="l00059"></a>00059 <span class="preprocessor"></span><span class="preprocessor">#pragma mark General Purpose Methods</span>
<a name="l00060"></a>00060 <span class="preprocessor"></span>
<a name="l00061"></a>00061
<a name="l00063"></a><a class="code" href="group___general-_purpose-_methods.html#ga983d44cb238c454d070504924bf4e7d5">00063</a> CGFloat <a class="code" href="group___general-_purpose-_methods.html#ga983d44cb238c454d070504924bf4e7d5" title="Bounds a given value within the min and max values.">boundf</a>(CGFloat value, CGFloat min, CGFloat max) {
<a name="l00064"></a>00064 <span class="keywordflow">if</span> (max < min) {
<a name="l00065"></a>00065 max = min;
<a name="l00066"></a>00066 }
<a name="l00067"></a>00067 CGFloat bounded = value;
<a name="l00068"></a>00068 <span class="keywordflow">if</span> (bounded > max) {
<a name="l00069"></a>00069 bounded = max;
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071 <span class="keywordflow">if</span> (bounded < min) {
<a name="l00072"></a>00072 bounded = min;
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 <span class="keywordflow">return</span> bounded;
<a name="l00075"></a>00075 }
<a name="l00076"></a>00076
<a name="l00077"></a>00077
<a name="l00079"></a><a class="code" href="group___general-_purpose-_methods.html#gace7056b3790906a7496f61835889cb34">00079</a> NSInteger <a class="code" href="group___general-_purpose-_methods.html#gace7056b3790906a7496f61835889cb34" title="Bounds a given value within the min and max values.">boundi</a>(NSInteger value, NSInteger min, NSInteger max) {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (max < min) {
<a name="l00081"></a>00081 max = min;
<a name="l00082"></a>00082 }
<a name="l00083"></a>00083 NSInteger bounded = value;
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (bounded > max) {
<a name="l00085"></a>00085 bounded = max;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (bounded < min) {
<a name="l00088"></a>00088 bounded = min;
<a name="l00089"></a>00089 }
<a name="l00090"></a>00090 <span class="keywordflow">return</span> bounded;
<a name="l00091"></a>00091 }
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