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	<title>exploration &#187; obj-c</title>
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		<title>iPhone pinwheel: 4in4 day two</title>
		<link>http://robertcarlsen.net/2009/01/13/iphone-pinwheel-4in4-day-two-289</link>
		<comments>http://robertcarlsen.net/2009/01/13/iphone-pinwheel-4in4-day-two-289#comments</comments>
		<pubDate>Wed, 14 Jan 2009 01:14:34 +0000</pubDate>
		<dc:creator>Robert</dc:creator>
				<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[4in4]]></category>
		<category><![CDATA[apple]]></category>
		<category><![CDATA[cocoa]]></category>
		<category><![CDATA[development]]></category>
		<category><![CDATA[itp]]></category>
		<category><![CDATA[obj-c]]></category>
		<category><![CDATA[programming]]></category>

		<guid isPermaLink="false">http://robertcarlsen.net/blog/?p=289</guid>
		<description><![CDATA[the iphone is missing one of my most beloved relics of os x&#8230;the pinwheel, aka beachball of doom/death. i wanted to experiment with using the core graphics framework to draw to the screen and create animation and this was an interesting experience.
the animation is too slow currently&#8230;i feel that i&#8217;m doing things in a really [...]]]></description>
			<content:encoded><![CDATA[<p>the iphone is missing one of my most beloved relics of os x&#8230;the pinwheel, aka beachball of doom/death. i wanted to experiment with using the core graphics framework to draw to the screen and create animation and this was an interesting experience.</p>
<p>the animation is too slow currently&#8230;i feel that i&#8217;m doing things in a really inefficient way at the moment. i had also tried using UIImageViews and animating them, but i couldn&#8217;t figure out a way to get the spinning layer to composite using the overlay blend mode&#8230;which you can easily do with core graphics contexts.</p>
<p>i&#8217;ll try again later, but i really need to get away from the computer and onto my bike to train (which is a matter of about five feet now that it&#8217;s dark and icy out). i&#8217;ll post a video if i can get the animation on the phone  to happen more quickly.</p>
<p><img class="aligncenter size-full wp-image-290" title="pinwheel" src="http://robertcarlsen.net/blog/wp-content/uploads/2009/01/pinwheel.png" alt="pinwheel" width="320" height="480" /></p>
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		<title>oh, hello there.</title>
		<link>http://robertcarlsen.net/2009/01/04/oh-hello-there-257</link>
		<comments>http://robertcarlsen.net/2009/01/04/oh-hello-there-257#comments</comments>
		<pubDate>Mon, 05 Jan 2009 03:54:57 +0000</pubDate>
		<dc:creator>Robert Carlsen</dc:creator>
				<category><![CDATA[Golden Cheetah]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[cloud reader]]></category>
		<category><![CDATA[iphone]]></category>
		<category><![CDATA[itp]]></category>
		<category><![CDATA[mac]]></category>
		<category><![CDATA[obj-c]]></category>
		<category><![CDATA[programming]]></category>
		<category><![CDATA[qmake]]></category>
		<category><![CDATA[Qt]]></category>
		<category><![CDATA[xcode]]></category>

		<guid isPermaLink="false">http://robertcarlsen.net/blog/?p=257</guid>
		<description><![CDATA[oops. school&#8217;s out and i&#8217;ve completely ignored documentation. looking to correct that, please accept the following communiqué:
the winter show went very well – it seemed that cloud reader was well received. most of the favorable comments were split among two categories&#8230;those which really liked the performative aspect of the project and could envision it large [...]]]></description>
			<content:encoded><![CDATA[<p>oops. school&#8217;s out and i&#8217;ve completely ignored documentation. looking to correct that, please accept the following communiqué:</p>
<p>the winter show went very well – it seemed that cloud reader was well received. most of the favorable comments were split among two categories&#8230;those which really liked the performative aspect of the project and could envision it large on a wall&#8230;.and those who reacted strongly to the intimate aspect of seeing it running on the iPhone screen.</p>
<p>since the project was originally designed for the small screen in ITP&#8217;s 2&#215;2 class, the comments were enough to encourage me to finally get around to iPhone application development. i&#8217;ve looked over various objective-c, cocoa and iphone docs over the past year, but never really made a commitment to actually learn or apply it. now i&#8217;m driven, and have come to love square braces <img src='http://robertcarlsen.net/blog/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> </p>
<p>separately and coincidentally, sean from golden cheetah decided to extend justin and i write access to the svn codebase and the website. he&#8217;s been quite busy and gc development has stalled for it. although i&#8217;ve been busy with school, between the three of us we should be able keep abreast of patches and implement new features.</p>
<p>i&#8217;m trying to be cautious with the project&#8230;i don&#8217;t want to do something that will expose me as a (programming) fraud! justin and i were able to get it working happily in xcode&#8230;although the QMAKE_CXXFLAGS += -DGC_BUILD_DATE=&#8221;`date +&#8217;\&#8221;%a_%b_%d,_%Y\&#8221;&#8216;`&#8221; compiler directive in src.pro was causing qmake to create non-parseable xcodeproj files&#8230;i think it may have to do with escaping special characters. justin sent a bug report to Qt&#8230;hopefully we&#8217;ll hear something at some point&#8230;for the time-being i&#8217;ve commented out the line in the .pro file and added a conditional define in MainWindow.cpp.</p>
<p>so, tinkering with the golden cheetah code has be getting me comfortable with code that isn&#8217;t java and i think i&#8217;ll be well on my way to get to with with cloud reader for iphone&#8230;come on apple and approve my developer application!</p>
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