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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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Closed 7 years ago.
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I'm creating a message app in Swift to grasp the foundations of iOS app building and am trying to style the table view cells to look like this.
I've been following tutorials but I can't seem to piece it together. It's got to be pretty simple. Does anyone have a good tutorial that does this in Swift?
I don't have a tutorial but I can give you some suggestions.
An easy way to handle this is to create a stretchable image and install it as the background image for your cells.
A stretchable image has fixed corners/edges, and the system flood-fills the center with a solid color. You take an image like your speech bubble and pare it down to the smallest possible image (with a 1 point center) and then use the UIImage method resizableImageWithCapInsets: to turn it into a stretchable image.
You'd then install that stretchable image as the background image for your table view cells. If this is a chat app you might want several variants: one with the speaker's arrow pointing left, one with the speaker's arrow pointing right, and perhaps different colors.
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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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Closed 8 years ago.
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I'm looking for anything that could guide me on implementing long shadows drawing on runtime using Core Graphics or other available framework in iOS SDK. The screenshot below presents how I imagine the shadows:
I have already done some research, I didn't found any libraries that could provide this or similar features. However I found that video on youtube: http://www.youtube.com/watch?v=zS7ZjFZ-0lk presenting something I would be really pleased with. Unfortunately I was unable to contact the author or get more informations about the implementation.
I have wrote some tests and achieved some results, in fact the screenshot above was taken from my test application. To make it simpler it displays png image with transparency using UIImageView, then it creates another UIImageView, inserts it below the main view and draws shadow to it. But still this is not something that could be used in real life. My approach was to draw shadow multiple times with different offset. The problem is that solution have some cons. To keep performance hight, the graphics context I am drawing to is converted to UIImage and added to the view. That makes my shadows not as dynamic as I would like them to be (applied once, are static). The second major problem with multiple shadows is that they overlap each other, so using alpha channel transparency gives poor effects. No problem when using opaque shadows (for example from black to white), but that makes my solution even less usable (because this kind of fake shadows looks good only when drawing on plain color backgrounds). Any help would be appreciated.
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I'm having this problem where stroke selection won't use selected color. So I'd select an area and go to Edit -> Stroke Selection then Gimp would automatically change my selected color to another color. I don't know how to fix this.
Finally figured it out! You need to change the color AFTER you open the Stroke Path (or Stroke Selection) dialog box. Whew! I was going crazy with this problem. I have no idea why so few people are encountering this bug.
user977151, use the option "Stroke with a paint tool", and if you wish, check the option "Emulate brush dynamics". It'll use your tool sets.
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I have an iphone app with a picture of a face in the uiimage. I want to only change the eye color on the face by tapping on a button or tapping on a color wheel. Can you give me some help in what code I would need.
I would suggest taking a look at OpenCV. It works quite well on iOS devices, the main code comes with examples on how to build iOS applications and there is a lot of material on how to do eye detection and from there you should be able to change the colors.
Keep in mind this is not a simple task and you could accomplish with a easier thing. But you could learn a lot and there are tons of good resources around this topics.
If you want to do something faster, you might be able to just detect the touch on the UIView(enable user interaction) and present a color picker, after the color has been presented you could create a simple view on top of the image that has a circle with the color that was selected. It would be crappy, but might be a good idea to do a simple simple prototype.