¡@

Home 

2014/10/15 ¤U¤È 10:07:38

iphone Programming Glossary: drawlayer

iPhone development: pointer being freed was not allocated

http://stackoverflow.com/questions/1424210/iphone-development-pointer-being-freed-was-not-allocated

CALayer _display CABackingStoreUpdate backing_callback CGContext void CALayer drawInContext UIView CALayerDelegate drawLayer inContext AvatarView drawRect AvatarView overlayPNG UIImageUtility createMaskOf UIGraphicsGetImageFromCurrentImageContext..

composite colors: CALayer and blend mode on iPhone

http://stackoverflow.com/questions/1658751/composite-colors-calayer-and-blend-mode-on-iphone

mode. Unfortunately the layers are only adding their colors. Here is my code @implementation WhiteLayerHelper void drawLayer CALayer theLayer inContext CGContextRef myContext draw a white overlay with special blending and alpha values so that the..

Using CALayer Delegate

http://stackoverflow.com/questions/2015353/using-calayer-delegate

CALayer In MyView.h @interface MyLayerDelegate NSObject . . . @end In MyView.m @implementation MyLayerDelegate void drawLayer CALayer layer inContext CGContextRef ctx . . . @end Just place those at the top of your file immediately below the #import..

UISearchBar clear background color or set background image [iphone sdk]

http://stackoverflow.com/questions/2139115/uisearchbar-clear-background-color-or-set-background-image-iphone-sdk

static UIImage image nil if image nil image UIImage imageNamed @ UISearchBarBack.png retain return image void drawLayer CALayer layer inContext CGContextRef contenxt if self isMemberOfClass UISearchBar class NO return UIImage image self.frame.size.width..

Add text to CALayer

http://stackoverflow.com/questions/2209734/add-text-to-calayer

the drawing functions provided in NSString UIKit additions as shown below. While my code is done in the delegate's drawLayer inContext method the same can be used in subclass' drawInContext method. Is there any specific UILabel functionality that.. be used in subclass' drawInContext method. Is there any specific UILabel functionality that you want to leverage void drawLayer CALayer layer inContext CGContextRef ctx CGContextSetFillColorWithColor ctx UIColor darkTextColor CGColor UIGraphicsPushContext..

Fast and Lean PDF Viewer for iPhone / iPad / iOs - tips and hints?

http://stackoverflow.com/questions/3889634/fast-and-lean-pdf-viewer-for-iphone-ipad-ios-tips-and-hints

Whenever the user start zooming I acquire the CGPDFPage and render it using the appropriate CTM. The code in void drawLayer CALayer layer inContext CGContextRef context is like CGAffineTransform currentCTM CGContextGetCTM context if currentCTM.a..

CGContext pdf page aspect fit

http://stackoverflow.com/questions/3908624/cgcontext-pdf-page-aspect-fit

pdf page aspect fit I am displaying a pdf page on the CGContext using the code void drawLayer CALayer layer inContext CGContextRef context CGContextSetRGBFillColor ctx 1.0 1.0 1.0 1.0 CGContextFillRect ctx layer.bounds.. out your own transform by comparing the results of CGPDFGetBoxRect to your content area. Typing extemporaneously void drawLayer CALayer layer inContext CGContextRef context CGContextSetRGBFillColor ctx 1.0 1.0 1.0 1.0 CGContextFillRect ctx layer.bounds..

Drawing in CATiledLayer with CoreGraphics CGContextDrawImage

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

CGContextDrawImage I would like to use a CATiledLayer in iPhone OS 3.1.3 and to do so all drawing in void drawLayer CALayer layer inContext CGContext context has to be done with coregraphics only. Now I run into the problems of the flipped.. the PhotoScroller sample code and replacing the drawing method with coregraphics calls only. It looks like this void drawLayer CALayer layer inContext CGContextRef context CGContextSaveGState context CGRect rect CGContextGetClipBoundingBox context.. Thomas I started by following the WWDC 2010 ScrollView talk and there is little or no documentation on working within drawLayer inContext for iOS 3.x. I had the same issues as you do when I moved the demo code from drawRect across to drawLayer inContext..

how to fit pdf page in entire view

http://stackoverflow.com/questions/4321681/how-to-fit-pdf-page-in-entire-view

to fit pdf page in entire view i read pdf files and also displayed the code is like this void drawLayer CALayer layer inContext CGContextRef ctx NSLog @ the layer height d d d d layer.bounds.size.width layer.bounds.size.height..

problem with rendering pdf on the entire screen of pdf

http://stackoverflow.com/questions/4634331/problem-with-rendering-pdf-on-the-entire-screen-of-pdf

is duplicate of many questions and answers but still i didN't get exact result.my code is looking like this void drawLayer CALayer layer inContext CGContextRef ctx if UIInterfaceOrientationIsPortrait self interfaceOrientation layer.backgroundColor..

Is there any framework to highlight text on pdf file after rendering on the iphone

http://stackoverflow.com/questions/5335799/is-there-any-framework-to-highlight-text-on-pdf-file-after-rendering-on-the-iph

file after rendering on the iphone I am trying to work on searching a word on the pdf which is rendered through the drawLayer . Can any one suggest how I should find a word on a pdf and the position co ordinates of the word on the page Is there any..

Text selection on PDF after rendering using the drawLayer for ipad

http://stackoverflow.com/questions/5354457/text-selection-on-pdf-after-rendering-using-the-drawlayer-for-ipad

selection on PDF after rendering using the drawLayer for ipad I'm trying to highlight the text on the pdf after rendering on the ipad.I feel I'm achieving something with a..

Creating a custom text-drawing view

http://stackoverflow.com/questions/844829/creating-a-custom-text-drawing-view

thinking about using multiple CALayers one after another but I am having trouble drawing content to the layers using drawLayer inContext and drawInContext . So my questions are Does anyone have any even general suggestions about how to accomplish..