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I have to purchase iPhone4 for development purpose,so can anyone suggest me is there any difference between iPhone4 white color and iPhone black color? If yes which one is better choice for development purpose?
Differences include.
1) Slightly modified camera (placement wise) (barely worth mentioning since its same quality).
2) And color.
So for development purposes it does not matter which one you choose.
Source
There is no difference, so you can pick the color you like most.
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I have searched the web high and low and found some examples which lets you extract out one color and make it transparent for an image i.e. background color. This was done with methods like CGImageCreateWithMaskingColors. What I'm trying to do is the opposite though. I want to extract out all colors from an image except for one color. Is that possible, and how?
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The guidelines specify that I "should provide an image that has 90° corners (it’s important to avoid cropping the corners of your icon—iOS does that for you when it applies the corner-rounding mask)"
I see lots of apps that disobey this recommendation. How big is the risk that Apple will reject my app based on the app icon's rounded corners?
I've done this before and haven't been rejected for it. Just make sure that your icons corners align properly with the corners applied by iOS. (could look pretty strange if they didn't) As long as the fact that you're manually setting the corners isn't obvious to the user you should be fine.
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Closed 9 years ago.
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So, my background is in the color #DBDBDB. I need an animated loading image like this one for my site's background. Unfortunately since GIFs don't support partial transparency, I'm left with a white outline in my background. I've tried to take this image and edit it to use the same background color to no avail. Then I tried to make a loading animation of my own but that came out horrible. So I do not know what to do. Can anyone help me? I would like to use this image but instead of a white outline, I would like an outline in the color #DBDBDB or a background #DBDBDB
Or to be told how to do this in CS5.5
You can use the wonderful little service AjaxLoad to generate a loading animation for any combination of colors. Just pick #DBDBDB as the background color and use "Indicator Big" as your style.
Here's your image:
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I am new to Quartz, and I would like to draw a candlestick chart in iOS, but I don't know how.
How can I draw charts like this? Are there any good examples for iOS?
Core Plot may be able to do it. If not, it's probably a pretty easy thing to add to the Core Plot library.
http://code.google.com/p/core-plot/
You can do it with SwiftCharts, there are 2 candle sticks examples ready to use - one interactive and other not-interactive (with less overhead, in case you don't need interactivity)
(Disclosure: I'm the author)
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I am trying to procedurally generate point stars to create a starfield background for my game. I want to weight the color production based on an average star's real color. Can anyone point me in the direction of this sort of data?
I found a nice overview here. It shows some real examples. Maybe this will help you.
It is White. To be closer to the real thing apply redshift as the stars are further away and add or remove blue to account for star temperature and age.