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Closed 10 years ago.
In my app, I want to apply different video filters like: Fade in -Out,Snow fall,Rainbow,Fast Motion,Slow Motion,etc.
I study the Brad Larson project but it does not full fill my all filter requirement.
so, Help me!!
If you need custom filters you can always write them and add to GPUImage project. Just grab some easy filter like GPUImageRGBFilter or GPUImageLineGenerator and experiment.
You can also modify OpenGL calls directly to inject your custom effects in front of a movie. Take a look at CubeExample.
Related
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Closed 10 years ago.
I have a requirement to write an iOS app that can read and edit PDF files. I am confused where to start digging. Please shed some light on where should I start and what all technologies I should use to accomplish this task.
I don't know what DST is, but as for PDF, there are some existing frameworks you can take a look at. PSPDFKit: http://pspdfkit.com/, Reader: https://github.com/vfr/Reader, FastPDFKit: http://fastpdfkit.com/
Take a look at these and see if any of them fit your needs. If they do not, clarify on what they are missing and that may help you find what you need.
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Closed 10 years ago.
i m new to iphone/ipad application development, can we import 3d image in my iphone/ipad
app. or there any other controls available to display 3d image. i also want to give actions
to image on particular sections. can any one help me.
Thanks...
The answer is yes. Check out OpenGL samples for iOS. Just google and you will find many.
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Closed 11 years ago.
this is a project of opengl es, you can run it on iphone sdk,
i want to know how to add an image as the background?
https://docs.google.com/open?id=0B8MGSbywP-HXY2YxYzk3YWItNzk3Zi00ZmNiLTk5NWYtOGY3NmU0OTRlYTM4
please give me source code.
By drawing the picture as the very first thing (in form of a textured quad). Disable depth testing and depth writes.
Update: Code for some project
Note: The actual code and structure strongly depends on the program in question!
// one possible structure
void draw(draw)
{
glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
glDisable(GL_DEPTH_TEST);
glDepthMask(GL_FALSE);
draw_background();
glDepthMask(GL_TRUE);
draw_rest_of_scene();
}
It's difficult to tell what is being asked here. This question is ambiguous, vague, incomplete, overly broad, or rhetorical and cannot be reasonably answered in its current form. For help clarifying this question so that it can be reopened, visit the help center.
Closed 10 years ago.
Today I started to learn iPhone simple animations, but I was totally Confused about so many animations ,now I have know some like CAAnimation, CATransaction and so on~ how can I distinguish them or if there are some documents about them to help me know how to use these class and the different effects among them;
I strongly recommend to read at first Core Animation Programming Guide. It describes all basic classes, provided examples and link to sample sources.
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Closed 11 years ago.
Is it possible to create app like iBooks?
I want to create app like iBooks. I want to know how i can curl the page of pdf.
Please share your ideas to create this app.
Thanks
Check out this library, might be a good starting point:
You probably want to do something like render the page as a texture to a 3d surface that is initially flat, which you could then deform and animate to provide the curling animation.