¡@

Home 

2014/10/15 ¤U¤È 10:13:12

iphone Programming Glossary: rectformaprect

Changing Color/Alpha/Filter to MKMapView iOS 6

http://stackoverflow.com/questions/13364374/changing-color-alpha-filter-to-mkmapview-ios-6

CGContextSetRGBFillColor context 1.0 1.0 1.0 0.5 use whatever color to mute the beige CGContextFillRect context self rectForMapRect mapRect @end You need to have some class that implements the MKMapViewDelegate protocol to create the view... @interface..

How to display an image on a MKOverlayView?

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

CGImageRef imageReference image.CGImage MKMapRect theMapRect self.overlay boundingMapRect CGRect theRect self rectForMapRect theMapRect CGRect clipRect self rectForMapRect mapRect NSUserDefaults preferences NSUserDefaults standardUserDefaults CGContextSetAlpha.. MKMapRect theMapRect self.overlay boundingMapRect CGRect theRect self rectForMapRect theMapRect CGRect clipRect self rectForMapRect mapRect NSUserDefaults preferences NSUserDefaults standardUserDefaults CGContextSetAlpha context preferences floatForKey..

MKOverlay View is blurred

http://stackoverflow.com/questions/4117182/mkoverlay-view-is-blurred

context 1.0 get the overlay bounds MKMapRect theMapRect self.overlay boundingMapRect CGRect theRect self rectForMapRect theMapRect Draw image CGContextDrawImage context theRect image CGImageRelease image CGContextRestoreGState context Does..

How do I create an image overlay and add to MKMapView?

http://stackoverflow.com/questions/5283741/how-do-i-create-an-image-overlay-and-add-to-mkmapview

retain CGImageRef imageReference image.CGImage MKMapRect theMapRect self.overlay boundingMapRect CGRect theRect self rectForMapRect theMapRect CGRect clipRect self rectForMapRect mapRect CGContextAddRect ctx clipRect CGContextClip ctx CGContextDrawImage.. MKMapRect theMapRect self.overlay boundingMapRect CGRect theRect self rectForMapRect theMapRect CGRect clipRect self rectForMapRect mapRect CGContextAddRect ctx clipRect CGContextClip ctx CGContextDrawImage ctx theRect imageReference image release @end..

Draw text in circle overlay

http://stackoverflow.com/questions/7825220/draw-text-in-circle-overlay

@ XXXXX nXXXX UIGraphicsPushContext context CGContextSaveGState context UIColor redColor set CGRect overallCGRect self rectForMapRect self.overlay boundingMapRect NSLog @ MKC lf lf lf lf mapRect.origin.x mapRect.origin.y overallCGRect.origin.x overallCGRect.origin.y..