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2014/10/15 ¤U¤È 10:11:29

iphone Programming Glossary: mkzoomscale

Changing Color/Alpha/Filter to MKMapView iOS 6

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

MapTileOverlayView MKOverlayView @end @implementation MapTileOverlayView void drawMapRect MKMapRect mapRect zoomScale MKZoomScale zoomScale inContext CGContextRef context CGContextSetBlendMode context kCGBlendModeMultiply check docs for other blend modes..

How to display an image on a MKOverlayView?

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

mapRect The implementation of the custom MKOverlayView RadarOverlayView void drawMapRect MKMapRect mapRect zoomScale MKZoomScale zoomScale inContext CGContextRef context RadarOverlay radarOverlay RadarOverlay self.overlay UIImage image UIImage alloc..

MKOverlay View is blurred

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

is large enough it is 1936 †Ã—†967 . Here is my code for drawMapRect void drawMapRect MKMapRect mapRect zoomScale MKZoomScale zoomScale inContext CGContextRef context Load image from applicaiton bundle NSString imageFileName NSBundle mainBundle resourcePath..

Check whether zoom level changed

http://stackoverflow.com/questions/4359424/check-whether-zoom-level-changed

mRect withMapViewSizeInPixels CGSize viewSizeInPixels NSUInteger zoomLevel MAXIMUM_ZOOM MAXIMUM_ZOOM is 20 with MapKit MKZoomScale zoomScale mRect.size.width viewSizeInPixels.width MKZoomScale is just a CGFloat typedef double zoomExponent log2 zoomScale.. zoomLevel MAXIMUM_ZOOM MAXIMUM_ZOOM is 20 with MapKit MKZoomScale zoomScale mRect.size.width viewSizeInPixels.width MKZoomScale is just a CGFloat typedef double zoomExponent log2 zoomScale zoomLevel NSUInteger MAXIMUM_ZOOM ceil zoomExponent return..

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

MKOverlayView @end MapOverlayView.m @implementation MapOverlayView void drawMapRect MKMapRect mapRect zoomScale MKZoomScale zoomScale inContext CGContextRef ctx UIImage image UIImage imageNamed @ image.png retain CGImageRef imageReference image.CGImage..

Draw text in circle overlay

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

show up correctly. Also tried the first response's solution same result . void drawMapRect MKMapRect mapRect zoomScale MKZoomScale zoomScale inContext CGContextRef context super drawMapRect mapRect zoomScale zoomScale inContext context NSString t @ XXXXX..