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2014/10/15 ¤U¤È 10:10:10

iphone Programming Glossary: image.size

Boundry detect paper sheet opencv

http://stackoverflow.com/questions/13493035/boundry-detect-paper-sheet-opencv

image NSLog @ lu squares.size blur will enhance edge detection Mat blurred image medianBlur image blurred 9 Mat gray0 image.size CV_8U gray vector vector cv Point contours find squares in every color plane of the image for int c 0 c 3 c int ch c 0 mixChannels..

UIImage with smooth rounded corners in quartz

http://stackoverflow.com/questions/14071278/uiimage-with-smooth-rounded-corners-in-quartz

makeRoundedImage UIImage image radius float radius CALayer imageLayer CALayer layer imageLayer.frame CGRectMake 0 0 image.size.width image.size.height imageLayer.contents id image.CGImage imageLayer.masksToBounds YES imageLayer.cornerRadius radius.. UIImage image radius float radius CALayer imageLayer CALayer layer imageLayer.frame CGRectMake 0 0 image.size.width image.size.height imageLayer.contents id image.CGImage imageLayer.masksToBounds YES imageLayer.cornerRadius radius UIGraphicsBeginImageContext.. id image.CGImage imageLayer.masksToBounds YES imageLayer.cornerRadius radius UIGraphicsBeginImageContext image.size imageLayer renderInContext UIGraphicsGetCurrentContext UIImage roundedImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

UIImage color changing?

http://stackoverflow.com/questions/1698971/uiimage-color-changing

getImageWithUnsaturatedPixelsOfImage UIImage image const int RED 1 GREEN 2 BLUE 3 CGRect imageRect CGRectMake 0 0 image.size.width 2 image.size.height 2 int width imageRect.size.width height imageRect.size.height uint32_t pixels uint32_t malloc.. UIImage image const int RED 1 GREEN 2 BLUE 3 CGRect imageRect CGRectMake 0 0 image.size.width 2 image.size.height 2 int width imageRect.size.width height imageRect.size.height uint32_t pixels uint32_t malloc width height sizeof.. With Color UIImage getImageWithTintedColor UIImage image withTint UIColor color withIntensity float alpha CGSize size image.size UIGraphicsBeginImageContextWithOptions size FALSE 2 CGContextRef context UIGraphicsGetCurrentContext image drawAtPoint CGPointZero..

iOS 7 dynamic blur effect like in Control Center

http://stackoverflow.com/questions/17704240/ios-7-dynamic-blur-effect-like-in-control-center

WWDC session #226 I've learnt how to get blurred image with different effects UIGraphicsBeginImageContextWithOptions image.size NULL 0 view drawViewHierarchyInRect rect UIImage newImage UIGraphicsGetImageFromCurrentImageContext UIGraphicsEndImageContext..

iOS Custom UIImagePickerController Camera Crop to Square

http://stackoverflow.com/questions/17712797/ios-custom-uiimagepickercontroller-camera-crop-to-square

the UIImagePickerController crop it to a square with something like this Crop the image to a square CGSize imageSize image.size CGFloat width imageSize.width CGFloat height imageSize.height if width height CGFloat newDimension MIN width height CGFloat..

UIImageView on iphone 4 image is half way out of view

http://stackoverflow.com/questions/20725196/uiimageview-on-iphone-4-image-is-half-way-out-of-view

setZoomScale self.scrollView.minimumZoomScale animated YES NSLog @ F img.size.height CGFloat imgheight image.size.height CGFloat imgwidth image.size. width CGSize imageSize self currentScreenBoundsDependOnOrientation self.scrollView.frame.. animated YES NSLog @ F img.size.height CGFloat imgheight image.size.height CGFloat imgwidth image.size. width CGSize imageSize self currentScreenBoundsDependOnOrientation self.scrollView.frame CGRectMake 0 0 imageSize.width..

How to erase part of an image as the user touches it

http://stackoverflow.com/questions/2978382/how-to-erase-part-of-an-image-as-the-user-touches-it

by doing the following void moveDetectedFrom CGPoint from to CGPoint to UIImage image bkgdImageView.image CGSize s image.size UIGraphicsBeginImageContext s CGContextRef g UIGraphicsGetCurrentContext CGContextMoveToPoint g from.x from.y CGContextAddLineToPoint.. a UIImage IplImage CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB IplImage iplimage cvCreateImage cvSize image.size.width image.size.height IPL_DEPTH_8U 4 CGContextRef contextRef CGBitmapContextCreate iplimage imageData iplimage width iplimage.. CGColorSpaceRef colorSpace CGColorSpaceCreateDeviceRGB IplImage iplimage cvCreateImage cvSize image.size.width image.size.height IPL_DEPTH_8U 4 CGContextRef contextRef CGBitmapContextCreate iplimage imageData iplimage width iplimage height ..

Rotating an image context (CGContextRotateCTM) causing it to become blank. Why?

http://stackoverflow.com/questions/5983090/rotating-an-image-context-cgcontextrotatectm-causing-it-to-become-blank-why

causing it to become blank. Why #define radians degrees degrees M_PI 180 UIImage rotate UIImage image CGSize size image.size UIGraphicsBeginImageContext size CGContextRef context UIGraphicsGetCurrentContext If this is commented out image is returned..

How to write text on image in objective-c iPhone?

http://stackoverflow.com/questions/6992830/how-to-write-text-on-image-in-objective-c-iphone

inImage UIImage image atPoint CGPoint point UIFont font UIFont boldSystemFontOfSize 12 UIGraphicsBeginImageContext image.size image drawInRect CGRectMake 0 0 image.size.width image.size.height CGRect rect CGRectMake point.x point.y image.size.width.. UIFont font UIFont boldSystemFontOfSize 12 UIGraphicsBeginImageContext image.size image drawInRect CGRectMake 0 0 image.size.width image.size.height CGRect rect CGRectMake point.x point.y image.size.width image.size.height UIColor whiteColor set.. UIFont boldSystemFontOfSize 12 UIGraphicsBeginImageContext image.size image drawInRect CGRectMake 0 0 image.size.width image.size.height CGRect rect CGRectMake point.x point.y image.size.width image.size.height UIColor whiteColor set text drawInRect..

iOS - How to achieve emboss effect for the text on UILabel?

http://stackoverflow.com/questions/8467141/ios-how-to-achieve-emboss-effect-for-the-text-on-uilabel

with a faint upward shadow. UIImage imageWithUpwardShadowAndImage UIImage image UIGraphicsBeginImageContextWithOptions image.size NO image.scale CGContextSetShadowWithColor UIGraphicsGetCurrentContext CGSizeMake 0 1 1 UIColor colorWithWhite 0 alpha .15..