/MapView/Map/RMTileProxy.m

http://github.com/route-me/route-me · Objective C · 60 lines · 24 code · 10 blank · 26 comment · 3 complexity · 4cd6dda395b24bd055095f7dcadb4eb6 MD5 · raw file

  1. //
  2. // RMTileProxy.m
  3. //
  4. // Copyright (c) 2008-2009, Route-Me Contributors
  5. // All rights reserved.
  6. //
  7. // Redistribution and use in source and binary forms, with or without
  8. // modification, are permitted provided that the following conditions are met:
  9. //
  10. // * Redistributions of source code must retain the above copyright notice, this
  11. // list of conditions and the following disclaimer.
  12. // * Redistributions in binary form must reproduce the above copyright notice,
  13. // this list of conditions and the following disclaimer in the documentation
  14. // and/or other materials provided with the distribution.
  15. //
  16. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  17. // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  18. // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  19. // ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  20. // LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21. // CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22. // SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23. // INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24. // CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25. // ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26. // POSSIBILITY OF SUCH DAMAGE.
  27. #import "RMTileProxy.h"
  28. @implementation RMTileProxy
  29. static UIImage *_errorTile = nil;
  30. static UIImage *_loadingTile = nil;
  31. static UIImage *_missingTile = nil;
  32. + (UIImage*) errorTile
  33. {
  34. if (_errorTile) return _errorTile;
  35. _errorTile = [[UIImage imageNamed:@"error.png"] retain];
  36. return _errorTile;
  37. }
  38. + (UIImage*) loadingTile
  39. {
  40. if (_loadingTile) return _loadingTile;
  41. _loadingTile = [[UIImage imageNamed:@"loading.png"] retain];
  42. return _loadingTile;
  43. }
  44. + (UIImage*) missingTile
  45. {
  46. if (_missingTile) return _missingTile;
  47. _missingTile = [[UIImage imageNamed:@"missing.png"] retain];
  48. return _missingTile;
  49. }
  50. @end