2014/10/15 下午 10:09:08

iphone Programming Glossary: flipped

Can text in UILabel have a colorWithPatternImage: assigned to it?

http://stackoverflow.com/questions/1025304/can-text-in-uilabel-have-a-colorwithpatternimage-assigned-to-it

is the same as the image tile height The pattern can be animated by switching between multiple pattern colors. I have flipped between a pattern image and a plain color at 30fps and the iPhone device kept up fine. As long as the image tile is small..

Flipped NSString drawing in CGContext

http://stackoverflow.com/questions/1252343/flipped-nsstring-drawing-in-cgcontext

texture http picasaweb.google.it lh photo LkYWBv_S_9v2d6BAfbrhag feat directlink but the green numbers seem vertical flipped. I've created my context in this way colorSpace CGColorSpaceCreateDeviceRGB data malloc height width 4 context CGBitmapContextCreate.. transformation matrix seems the Identity matrix... no CGAffineTransform is applied to THIS context. If the string is flipped maybe all my images are flipped Any suggestion PS sorry for my english iphone share improve this question As describe.. Identity matrix... no CGAffineTransform is applied to THIS context. If the string is flipped maybe all my images are flipped Any suggestion PS sorry for my english iphone share improve this question As describe here the coordinate system for..

CTFramesetterSuggestFrameSizeWithConstraints sometimes returns incorrect size?

http://stackoverflow.com/questions/3374591/ctframesettersuggestframesizewithconstraints-sometimes-returns-incorrect-size

the rect of the CTFrame that you get back. Note that you cannot use CGFLOAT_MAX for the height as CoreText uses a flipped coordinate system from the iPhone and will locate its text at the top of the box. This means that if you use CGFLOAT_MAX..

Selecting Text in PDF file (iphone)

http://stackoverflow.com/questions/3657550/selecting-text-in-pdf-file-iphone

doc CGPDFDocumentRetain self.document CGPDFPageRef page CGPDFDocumentGetPage doc 1 Transform the CTM compensating for flipped coordinate system CGContextTranslateCTM ctx 0.0 layer.bounds.size.height CGContextScaleCTM ctx 1.0 1.0 Draw PDF scaled to..

UISwitch in a UITableView cell

http://stackoverflow.com/questions/3770019/uiswitch-in-a-uitableview-cell

can set it up in tableView cellForRowAtIndexPath You may want to use target action to so something when the switch is flipped. Like so UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath switch indexPath row..

How to display an image on a MKOverlayView?

http://stackoverflow.com/questions/3891850/how-to-display-an-image-on-a-mkoverlayview

in the context CGContextDrawImage imageContext imageRect imageReference CGContextRestoreGState imageContext After I flipped the image I manipulate it and then store it in memory as a NSData object. It looks like the image got stretched but it looks..

Drawing in CATiledLayer with CoreGraphics CGContextDrawImage

http://stackoverflow.com/questions/4067512/drawing-in-catiledlayer-with-coregraphics-cgcontextdrawimage

CALayer layer inContext CGContext context has to be done with coregraphics only. Now I run into the problems of the flipped coordinate system on the iPhone and there are some suggestions how to fix it using transforms Image is drawn upside down..

Relationship between UIVIew and CALayer regarding background image on iOS

http://stackoverflow.com/questions/5916581/relationship-between-uiview-and-calayer-regarding-background-image-on-ios

customViewController.view.layer the black area of the image is gone which is what I wanted but the background image is flipped upside down. Why is that If I were to add labels views buttons etc. to the view will the layer's background image block.. UIKit doesn't expect you to mess with this layer so if your flip its coordinate system any UIKit drawing will be flipped you need to use a sublayer. So your code would look like this void viewDidLoad super viewDidLoad customViewController CustomViewController..

How can I rotate a UIImageView with respect to any point (other than its center)?

http://stackoverflow.com/questions/839296/how-can-i-rotate-a-uiimageview-with-respect-to-any-point-other-than-its-center

coordinates within the layer. That is 0 0 is the upper left of the layer on the iPhone where UIView layers have flipped Y coordinates and 1 1 is the lower right. Moving the anchorPoint may move your image so you might need to adjust its position..

Flip View Iphone

http://stackoverflow.com/questions/843534/flip-view-iphone

I'm doing wrong. I want to flip between two UIViews. Somehow when I flip away from the initial view I just get the flipped view without animation. When I flip back the animation shows just fine. The flips are triggered from buttons on the views..

How does the coordinate system in an CGContextRef look like?

http://stackoverflow.com/questions/868052/how-does-the-coordinate-system-in-an-cgcontextref-look-like

on the iPhone is inverted with the upper left coordinate for a UIView being 0 0 . Its backing layer also has those flipped coordinates so drawing into a context for the view or its layer starts at 0 0 for the upper left. UIImage contexts are also.. so drawing into a context for the view or its layer starts at 0 0 for the upper left. UIImage contexts are also flipped in this manner but PDF contexts are not. All of this is documented in various locations within Apple's iPhone programming..

iPhone take augmented reality screenshot with AVCaptureVideoPreviewLayer

http://stackoverflow.com/questions/8980847/iphone-take-augmented-reality-screenshot-with-avcapturevideopreviewlayer

UIKit coordinate system is upside down to GL Quartz coordinate system Flip the CGImage by rendering it to the flipped bitmap context The size of the destination area is measured in POINTS CGContextSetBlendMode cgcontext kCGBlendModeCopy CGContextDrawImage..

Front facing camera in uiimagepickercontroller

http://stackoverflow.com/questions/9255633/front-facing-camera-in-uiimagepickercontroller

the front facing camera app in iPad2 by using the uiimagepickercontroller . When I capture the image it's shows as flipped from left to right. How do I correct this if UIImagePickerController isSourceTypeAvailable UIImagePickerControllerSourceTypeCamera.. this answer and before asking please do search. Also you can use this too void didTakePicture UIImage picture UIImage flippedImage UIImage imageWithCGImage picture.CGImage scale picture.scale orientation UIImageOrientationLeftMirrored picture flippedImage..

Saving imageRef from GLPaint creates completely black image

http://stackoverflow.com/questions/9857912/saving-imageref-from-glpaint-creates-completely-black-image

malloc myDataLength for int y 0 y h s y memcpy buffer2 h s 1 y w 4 s buffer y 4 w s w 4 s free buffer work with the flipped buffer so get rid of the original one. make data provider with data. CGDataProviderRef provider CGDataProviderCreateWithData..

Background ImageView is upside down(flipped) when I use CPTPGraphHostingView [Core plot]

http://stackoverflow.com/questions/9927031/background-imageview-is-upside-downflipped-when-i-use-cptpgraphhostingview-co

ImageView is upside down flipped when I use CPTPGraphHostingView Core plot I am using core plot 1.0 in my iphone app. All works fine graphs are drawing..