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2014/10/15 ¤U¤È 10:09:56
iphone Programming Glossary: greenHow would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone CGContextSetFillColor context CGColorGetComponents UIColor colorWithRed 0.5 green 0.5 blue 0 alpha 1 .CGColor don't make color too saturated CGContextFillRect context rect draw base..
MKPinAnnotationView: Are there more than three colors available? http://stackoverflow.com/questions/1185611/mkpinannotationview-are-there-more-than-three-colors-available colors available According to the Apple docs MKPinAnnotationView's pin color is available in red green and purple. Is there any way to get other colors also I've found nothing in the docs. iphone cocoa..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale xCoordinate bytesPerPixel Getting original colors float red rawData byteIndex 255.f float green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor.. 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData.. byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData byteIndex unsigned char red 255..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated RGBA divide RGB by A to get unmodified.. RGB RGBAPixel bitmap NSLog @ Returning bitmap representation of UIImage. 8 bits each of red green blue and alpha. self setBytesPerRow self.size.width RGBA self setByteCount bytesPerRow self.size.height.. byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared with corresponding synthesized properties..
UISegmentedControl selected segment color http://stackoverflow.com/questions/2270526/uisegmentedcontrol-selected-segment-color if sender.subviews objectAtIndex i isSelected UIColor tintcolor UIColor colorWithRed 127.0 255.0 green 161.0 255.0 blue 183.0 255.0 alpha 1.0 sender.subviews objectAtIndex i setTintColor tintcolor else ..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer context Now setup the shadow properties on the context aColor UIColor colorWithRed 0.0f green 0.0f blue 0.0f alpha 0.5f CGContextSaveGState context CGContextSetShadowWithColor context CGSizeMake..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar 48 UIView v UIView alloc initWithFrame frame v setBackgroundColor UIColor alloc initWithRed 1.0 green 0.0 blue 0.0 alpha 0.1 tabBar1 insertSubview v atIndex 0 v release @end And in your Nib file replace..
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp writeToFile plistPath atomically NO NSMutableDictionary temp1 NSMutableDictionary..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically contentView is hooked up to an UIView which I added as an subview to the view of the Nib. This has green color and I see it fullscreen. Works fine. Then I created two other View Controllers pretty much the..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone UIView void drawRect CGRect rect CGContextRef context UIGraphicsGetCurrentContext CGContextSetFillColor context CGColorGetComponents UIColor colorWithRed 0.5 green 0.5 blue 0 alpha 1 .CGColor don't make color too saturated CGContextFillRect context rect draw base UIImage imageNamed @ someImage.png drawInRect rect blendMode..
MKPinAnnotationView: Are there more than three colors available? http://stackoverflow.com/questions/1185611/mkpinannotationview-are-there-more-than-three-colors-available Are there more than three colors available According to the Apple docs MKPinAnnotationView's pin color is available in red green and purple. Is there any way to get other colors also I've found nothing in the docs. iphone cocoa touch mapkit mkpinannotationview share improve this question..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale height yCoordinate int byteIndex bytesPerRow yCoordinate xCoordinate bytesPerPixel Getting original colors float red rawData byteIndex 255.f float green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor.. float red rawData byteIndex 255.f float green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData byteIndex unsigned char red 255 rawData byteIndex 1 unsigned.. 255.f float green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData byteIndex unsigned char red 255 rawData byteIndex 1 unsigned char green 255 rawData byteIndex..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone A pointer to an array of RGBA bytes in memory RPVW_RGBAPixel pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated RGBA divide RGB by A to get unmodified RGB RGBAPixel bitmap NSLog @ Returning bitmap representation.. returns pre calculated RGBA divide RGB by A to get unmodified RGB RGBAPixel bitmap NSLog @ Returning bitmap representation of UIImage. 8 bits each of red green blue and alpha. self setBytesPerRow self.size.width RGBA self setByteCount bytesPerRow self.size.height self setPixelCount self.size.width self.size.height Create.. 2 Step 1. I declared a type for byte typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared with corresponding synthesized properties Reference to Quartz CGImage for receiver self CFDataRef..
UISegmentedControl selected segment color http://stackoverflow.com/questions/2270526/uisegmentedcontrol-selected-segment-color is UISegmentControl for int i 0 i sender.subviews count i if sender.subviews objectAtIndex i isSelected UIColor tintcolor UIColor colorWithRed 127.0 255.0 green 161.0 255.0 blue 183.0 255.0 alpha 1.0 sender.subviews objectAtIndex i setTintColor tintcolor else sender.subviews objectAtIndex i setTintColor nil Check its..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer path to the context CGContextAddPath context visiblePath CGContextClip context Now setup the shadow properties on the context aColor UIColor colorWithRed 0.0f green 0.0f blue 0.0f alpha 0.5f CGContextSaveGState context CGContextSetShadowWithColor context CGSizeMake 0.0f 1.0f 3.0f aColor CGColor Now fill the rectangle so the..
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar CGRect frame CGRectMake 0.0 0 self.view.bounds.size.width 48 UIView v UIView alloc initWithFrame frame v setBackgroundColor UIColor alloc initWithRed 1.0 green 0.0 blue 0.0 alpha 0.1 tabBar1 insertSubview v atIndex 0 v release @end And in your Nib file replace the class of your TabBar Controller with CustomUITabBarController...
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist @ name NSLog temp objectForKey @ wish NSNumber num temp valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp writeToFile plistPath atomically NO NSMutableDictionary temp1 NSMutableDictionary NSPropertyListSerialization propertyListFromData plistXML..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically @property nonatomic retain UIView contentView @end The contentView is hooked up to an UIView which I added as an subview to the view of the Nib. This has green color and I see it fullscreen. Works fine. Then I created two other View Controllers pretty much the same way. ViewControllerA and ViewControllerB. ViewControllerA..
How would I tint an image programatically on the iPhone? http://stackoverflow.com/questions/1117211/how-would-i-tint-an-image-programatically-on-the-iphone context UIGraphicsGetCurrentContext CGContextSetFillColor context CGColorGetComponents UIColor colorWithRed 0.5 green 0.5 blue 0 alpha 1 .CGColor don't make color too saturated CGContextFillRect context rect draw base UIImage imageNamed @..
MKPinAnnotationView: Are there more than three colors available? http://stackoverflow.com/questions/1185611/mkpinannotationview-are-there-more-than-three-colors-available more than three colors available According to the Apple docs MKPinAnnotationView's pin color is available in red green and purple. Is there any way to get other colors also I've found nothing in the docs. iphone cocoa touch mapkit mkpinannotationview..
http://stackoverflow.com/questions/1298867/convert-image-to-grayscale bytesPerRow yCoordinate xCoordinate bytesPerPixel Getting original colors float red rawData byteIndex 255.f float green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f.. green rawData byteIndex 1 255.f float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData byteIndex unsigned.. float blue rawData byteIndex 2 255.f Processing pixel data float averageColor red green blue 3.0f red averageColor green averageColor blue averageColor Assigning new color components rawData byteIndex unsigned char red 255 rawData byteIndex..
How to get the RGB values for a pixel on an image on the iphone http://stackoverflow.com/questions/144250/how-to-get-the-rgb-values-for-a-pixel-on-an-image-on-the-iphone in memory RPVW_RGBAPixel pixelData The pixel struct with alpha in this version typedef struct RGBAPixel byte red byte green byte blue byte alpha RGBAPixel Bitmap function returns pre calculated RGBA divide RGB by A to get unmodified RGB RGBAPixel.. RGB by A to get unmodified RGB RGBAPixel bitmap NSLog @ Returning bitmap representation of UIImage. 8 bits each of red green blue and alpha. self setBytesPerRow self.size.width RGBA self setByteCount bytesPerRow self.size.height self setPixelCount.. typedef unsigned char byte Step 2. I declared a struct to correspond to a pixel typedef struct RGBPixel byte red byte green byte blue RGBPixel Step 3. I subclassed UIImageView and declared with corresponding synthesized properties Reference to..
How can I create a UIColor from a hex string? http://stackoverflow.com/questions/1560081/how-can-i-create-a-uicolor-from-a-hex-string throughout your project. #define UIColorFromRGB rgbValue UIColor colorWithRed float rgbValue 0xFF0000 16 255.0 green float rgbValue 0xFF00 8 255.0 blue float rgbValue 0xFF 255.0 alpha 1.0 uicolor macro with hex values share improve this..
iPhone UITableView - Delete Button http://stackoverflow.com/questions/2104403/iphone-uitableview-delete-button UIColor clearColor topLabel.textColor fontColor topLabel.highlightedTextColor UIColor colorWithRed 1.0 green 1.0 blue 0.9 alpha 1.0 topLabel.font UIFont systemFontOfSize UIFont labelFontSize Create the label for the top row of text.. UIColor clearColor bottomLabel.textColor fontColor bottomLabel.highlightedTextColor UIColor colorWithRed 1.0 green 1.0 blue 0.9 alpha 1.0 bottomLabel.font UIFont systemFontOfSize UIFont labelFontSize 2 Create a background image view...
UISegmentedControl selected segment color http://stackoverflow.com/questions/2270526/uisegmentedcontrol-selected-segment-color count i if sender.subviews objectAtIndex i isSelected UIColor tintcolor UIColor colorWithRed 127.0 255.0 green 161.0 255.0 blue 183.0 255.0 alpha 1.0 sender.subviews objectAtIndex i setTintColor tintcolor else sender.subviews objectAtIndex..
Inner shadow effect on UIView layer? http://stackoverflow.com/questions/4431292/inner-shadow-effect-on-uiview-layer visiblePath CGContextClip context Now setup the shadow properties on the context aColor UIColor colorWithRed 0.0f green 0.0f blue 0.0f alpha 0.5f CGContextSaveGState context CGContextSetShadowWithColor context CGSizeMake 0.0f 1.0f 3.0f aColor..
UITextView ruled line background but wrong line height http://stackoverflow.com/questions/5375350/uitextview-ruled-line-background-but-wrong-line-height id initWithFrame CGRect frame self super initWithFrame frame if self self.backgroundColor UIColor colorWithRed 1.0f green 1.0f blue 0.6f alpha 1.0f self.font UIFont fontWithName @ MarkerFelt Thin size 19 return self void drawRect CGRect rect.. Set the line color and width CGContextSetStrokeColorWithColor context UIColor colorWithRed 0.0f green 0.0f blue 0.0f alpha 0.2f .CGColor CGContextSetLineWidth context 1.0f Start a new Path CGContextBeginPath context Find the..
How to make one color transparent on a UIImage? http://stackoverflow.com/questions/633722/how-to-make-one-color-transparent-on-a-uiimage
http://stackoverflow.com/questions/675433/custom-colors-in-uitabbar 48 UIView v UIView alloc initWithFrame frame v setBackgroundColor UIColor alloc initWithRed 1.0 green 0.0 blue 0.0 alpha 0.1 tabBar1 insertSubview v atIndex 0 v release @end And in your Nib file replace the class of..
http://stackoverflow.com/questions/905542/how-to-write-data-in-plist NSNumber num temp valueForKey @ roll int i num intValue printf d i writitng the data in save.plist temp setValue @ green forKey @ color temp writeToFile plistPath atomically NO NSMutableDictionary temp1 NSMutableDictionary NSPropertyListSerialization..
View Controllers: How to switch between views programmatically? http://stackoverflow.com/questions/910994/view-controllers-how-to-switch-between-views-programmatically @end The contentView is hooked up to an UIView which I added as an subview to the view of the Nib. This has green color and I see it fullscreen. Works fine. Then I created two other View Controllers pretty much the same way. ViewControllerA..
iOS - color on xcode simulator is different from the color on device http://stackoverflow.com/questions/10039641/ios-color-on-xcode-simulator-is-different-from-the-color-on-device on my experience i added the following RGB values to get the color I wanted it is only rough and worked for me Red 12 Green 19 Blue 16 Different angles best to keep it horizontal Holding the phone in different angles also gives different shades..
How to NSLog pixel RGB from a UIImage? http://stackoverflow.com/questions/1352989/how-to-nslog-pixel-rgb-from-a-uiimage show me how to NSLog them Example NSLog @ Alpha 255 Value is u data i NSLog @ Red 255 Value is u data i 1 NSLog @ Green 255 Value is u data i 2 NSLog @ Blue 255 Value is u data i 3 CREATE NEW UIIMAGE newImage HERE return newImage iphone.. for you I'd get pixel data like this UInt32 pixels CGBitmapContextGetData ctx #define getRed p p 0x000000FF #define getGreen p p 0x0000FF00 8 #define getBlue p p 0x00FF0000 16 display RGB values from the 11th pixel NSLog @ Red d Green d Blue d getRed..
Change string color with NSAttributedString? http://stackoverflow.com/questions/14287386/change-string-color-with-nsattributedstring texts objectAtIndex sliderValue I want Very Bad to be red Bad to be orange Okay to be Yellow Good and Very Good to be Green. I don't understand how to use attributedstrings to get this done. iphone ios cocoa touch share improve this question..
Applying background gradient to a Grouple table cell http://stackoverflow.com/questions/1979165/applying-background-gradient-to-a-grouple-table-cell size_t num_locations 2 CGFloat locations 2 0.0 1.0 CGFloat components 8 0.8f 0.8f 0.8f 1.0f Bottom Colour Red Green Blue Alpha. 0.9f 0.9f 0.9f 1.0 Top Colour Red Green Blue Alpha. myColorspace CGColorSpaceCreateDeviceRGB myGradient CGGradientCreateWithColorComponents.. 0.0 1.0 CGFloat components 8 0.8f 0.8f 0.8f 1.0f Bottom Colour Red Green Blue Alpha. 0.9f 0.9f 0.9f 1.0 Top Colour Red Green Blue Alpha. myColorspace CGColorSpaceCreateDeviceRGB myGradient CGGradientCreateWithColorComponents myColorspace components..
Check if UIColor is dark or bright? http://stackoverflow.com/questions/2509443/check-if-uicolor-is-dark-or-bright
http://stackoverflow.com/questions/4632940/finding-gps-signal-strength GPS 0 or No Signal color red Poor or No Signal If GPS 140 m Signal Color Orange Fair Signal If GPS 140 m Signal Color Green Good or Excellent Signal iphone objective c ios cocoa touch gps share improve this question No public API exists for..
iPhone : How to change gradient color for negative values in Core Plot? http://stackoverflow.com/questions/5115961/iphone-how-to-change-gradient-color-for-negative-values-in-core-plot values in Gradient Scatter Plot in Core Plot in iPhone I want gradient colors as below For positive values to be Green For negative values to be Red . How should I do that iphone objective c cocoa touch ios4 core plot share improve this..
IOS 4.3 UINavigationBar tintColor Leaks http://stackoverflow.com/questions/5383090/ios-4-3-uinavigationbar-tintcolor-leaks leak iphone objective c ios4.3 share improve this question Ive had this issue before 4.2 i think colourWithRed Green blue allocates a new UIColor object which your responsible for managing. The solution is to create an instance for your..
Change from RGB to HSB on iPhone? http://stackoverflow.com/questions/5589804/change-from-rgb-to-hsb-on-iphone min 0 max 0 for int i 1 i 3 i if array i array max max i if array i array min min i HSBColor colorWithRed float red Green float green Blue float blue HSBColor toReturn HSBColor alloc init autorelease float colorArray 3 colorArray 0 red colorArray.. colorArray max if max 0 Red toReturn.hue colorArray 1 colorArray 2 colorArray max colorArray min 60 360 else if max 1 Green toReturn.hue 2.0 colorArray 2 colorArray 0 colorArray max colorArray min 60 360 else Blue toReturn.hue 4.0 colorArray 0..
Using a singleton to create an array accessible by multiple views http://stackoverflow.com/questions/6324732/using-a-singleton-to-create-an-array-accessible-by-multiple-views initWithName @ Yellow description @ Beautiful weight 22.0 icon imageA Banana greenBanana Banana alloc initWithName @ Green description @ Gorgeous weight 12.0 icon imageB Banana rottenBanana Banana alloc initWithName @ Rotten description @ Ugly..
Objective-C: Asynchronously populate UITableView - how to do this? http://stackoverflow.com/questions/7491517/objective-c-asynchronously-populate-uitableview-how-to-do-this example code of what I'm trying to do I'm using ASIHttpRequest . self.listData NSArray alloc initWithObjects @ Red @ Green @ Blue @ Indigo @ Violet nil this works NSString urlStr NSString alloc initWithFormat @ http www.google.com some slow request.. url request setDelegate self request setCompletionBlock ^ self.listData NSArray alloc initWithObjects @ Red @ Green @ Blue @ Indigo @ Violet nil this doesn't work... table reloadData request setFailedBlock ^ request startAsynchronous..
Regarding Apple's KMLViewer placemarkDescription and annotation subtitle http://stackoverflow.com/questions/8285153/regarding-apples-kmlviewer-placemarkdescription-and-annotation-subtitle Sporti dhe koha e lire..... lt a href http www.site.com BIZ_DIR 810180432 Article Fitness Bulls.aspx style color Green gt Shikoni detajet gt gt lt a gt lt td gt lt tr gt lt tr gt lt td gt lt a href http www.site.com HartaV2 AddReview.aspx.. lt td gt lt a href http www.site.com HartaV2 AddReview.aspx gisDataId 8123855e b798 40bc ad2e 00346a931211 style color Green gt Shkruani pershtypjen tuaj gt gt lt a gt lt p style float right gt Postuar nga lt i gt Import lt i gt lt p gt lt td gt.. Sporti dhe koha e lire..... a href http www.site.com BIZ_DIR 810180432 Article Fitness Bulls.aspx style color Green Shikoni detajet a td tr tr td a href http www.site.com HartaV2 AddReview.aspx gisDataId 8123855e b798 40bc ad2e 00346a931211..
how to to make gesturerecognizer working in an animating UIImage view http://stackoverflow.com/questions/8340329/how-to-to-make-gesturerecognizer-working-in-an-animating-uiimage-view alloc initWithObjects @ 7 @ 9 @ 11 @ 27 @ 6 nil self.defaultImageCaption NSMutableArray alloc initWithObjects @ Ver @ Green @ Red @ CF @ Dwarf nil default image imageViewTop.alpha 1.0 imageViewBottom.alpha 0.0 imageViewBottom UIImageView alloc..
Draw a straight line using OpenGL ES in iPhone? http://stackoverflow.com/questions/9736887/draw-a-straight-line-using-opengl-es-in-iphone self.effect.useConstantColor GL_TRUE Make the line a cyan color self.effect.constantColor GLKVector4Make 0.0f Red 1.0f Green 1.0f Blue 1.0f Alpha I was able to get the line to draw by including a few more steps. It all involves sending data over..
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