2014/10/15 下午 10:09:09

iphone Programming Glossary: floorf

iPhone - finalizing Apple's vague “VerificationController.m”

http://stackoverflow.com/questions/11633577/iphone-finalizing-apples-vague-verificationcontroller-m

App Crashing when using large images on iOS 4.0

http://stackoverflow.com/questions/3679457/app-crashing-when-using-large-images-on-ios-4-0

float scale sqrt image.size.width image.size.height MAX_PIXELS resize the image CGRect rect CGRectMake 0.0 0.0 floorf actualWidth scale floorf actualHeight scale UIGraphicsBeginImageContext rect.size image drawInRect rect UIImage imageToDraw.. image.size.width image.size.height MAX_PIXELS resize the image CGRect rect CGRectMake 0.0 0.0 floorf actualWidth scale floorf actualHeight scale UIGraphicsBeginImageContext rect.size image drawInRect rect UIImage imageToDraw UIGraphicsGetImageFromCurrentImageContext..

Drawing in CATiledLayer with CoreGraphics CGContextDrawImage

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

scale calculate the rows and columns of tiles that intersect the rect we have been asked to draw int firstCol floorf CGRectGetMinX rect tileSize.width int lastCol floorf CGRectGetMaxX rect 1 tileSize.width int firstRow floorf CGRectGetMinY.. that intersect the rect we have been asked to draw int firstCol floorf CGRectGetMinX rect tileSize.width int lastCol floorf CGRectGetMaxX rect 1 tileSize.width int firstRow floorf CGRectGetMinY rect tileSize.height int lastRow floorf CGRectGetMaxY.. firstCol floorf CGRectGetMinX rect tileSize.width int lastCol floorf CGRectGetMaxX rect 1 tileSize.width int firstRow floorf CGRectGetMinY rect tileSize.height int lastRow floorf CGRectGetMaxY rect 1 tileSize.height for int row firstRow row lastRow..

CGFloat-based math functions?

http://stackoverflow.com/questions/5352457/cgfloat-based-math-functions

make that decision on a case by case basis. For example the floor function is defined as double floor double x and the floorf function is defines as float floorf float x I know all iOS devices are 32 bit today but the reason to use CGFloat is to.. basis. For example the floor function is defined as double floor double x and the floorf function is defines as float floorf float x I know all iOS devices are 32 bit today but the reason to use CGFloat is to automatically get improved precision..

how to handle tiling of images on the fly

http://stackoverflow.com/questions/5985477/how-to-handle-tiling-of-images-on-the-fly

NSString prefix CGFloat cols image size .width size.width CGFloat rows image size .height size.height int fullColumns floorf cols int fullRows floorf rows CGFloat remainderWidth image size .width fullColumns size.width CGFloat remainderHeight image.. cols image size .width size.width CGFloat rows image size .height size.height int fullColumns floorf cols int fullRows floorf rows CGFloat remainderWidth image size .width fullColumns size.width CGFloat remainderHeight image size .height fullRows..

laying out images in UIScrollView automatically

http://stackoverflow.com/questions/6488169/laying-out-images-in-uiscrollview-automatically

numPerRow 3 CGFloat x leftInset xOffsetBetweenOrigins imageNumber numPerRow CGFloat y topInset yOffsetBetweenOrigins floorf imageNumber numPerRow CGPoint imageOrigin CGPointMake x y return imageOrigin The origin being calculated here is the upper..

Custom UIPageControl view, replacing dots with “Page X of Y”

http://stackoverflow.com/questions/865296/custom-uipagecontrol-view-replacing-dots-with-page-x-of-y

red.size.height rect.size.width self.numberOfPages red.size.width self.numberOfPages 1 kSpacing rect.origin.x floorf iRect.size.width rect.size.width 2.0 rect.origin.y floorf iRect.size.height rect.size.height 2.0 rect.size.width red.size.width.. red.size.width self.numberOfPages 1 kSpacing rect.origin.x floorf iRect.size.width rect.size.width 2.0 rect.origin.y floorf iRect.size.height rect.size.height 2.0 rect.size.width red.size.width for i 0 i self.numberOfPages i image i self.currentPage..