Re: completely mad caused by CIImage
Re: completely mad caused by CIImage
- Subject: Re: completely mad caused by CIImage
- From: Erik Buck <email@hidden>
- Date: Sun, 18 Mar 2007 23:33:45 -0400
I almost didn't answer you question for at least one of the reasons
often sited for not answering questions in http://www.cocoadev.com/
index.pl?HowToAskQuestions and http://www.mikeash.com/
getting_answers.html. I mention this just in case you are actually
interested in encouraging answers to your questions but don't know how.
You say you searched and then basically dared me to repeat your
search. So what is wrong with this rather obvious search ? http://
developer.apple.com/cgi-bin/search.pl?
q=imageWithTexture&num=10&site=default_collection
Is there some problem with the sample code provided in the third
result of the search ?
Maybe you like this sample code taken from http://developer.apple.com/
documentation/GraphicsImaging/Conceptual/CoreVideo/CVProg_Tasks/
chapter_3_section_3.html
- (void)renderCurrentFrame
{
NSRect frame = [self frame];
if(currentFrame)
{
CGRect imageRect;
CIImage *inputImage;
inputImage = [CIImage imageWithCVImageBuffer:currentFrame];
// 1
imageRect = [inputImage extent];
// 2
[ciContext drawImage:InputImage
// 3
atPoint:CGPointMake(
(int)((frame.size.width - imageRect.size.width) * 0.5),
(int)((frame.size.height - imageRect.size.height) *
0.5))
fromRect:imageRect];
}
QTVisualContextTask(qtVisualContext);
// 4
}
How about the example here: http://developer.apple.com/documentation/
GraphicsImaging/Conceptual/CoreImaging/ci_tasks/chapter_3_section_7.html
I like this one: http://developer.apple.com/samplecode/QTCoreImage101/
listing5.html
Then there are these two:
http://developer.apple.com/samplecode/CIVideoDemoGL/listing7.html
http://developer.apple.com/samplecode/WhackedTV/listing17.html
Finally, is it not obvious to you that it works because you can do it
using no code at all via Quartz Composer ?
I am genuinely fascinated by your question and seeming certainty that
"You can also try to search some sample code: it will be effortless
for you to do so because there is nothing." What made you so certain
that typing either one of the method names in you rant/question into
the search field at http://developer.apple.com would produce no answer ?
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