/MapView/Map/RMTile.h

http://github.com/route-me/route-me · C Header · 82 lines · 23 code · 9 blank · 50 comment · 0 complexity · 5b085d934efedb861346d85479da3eb0 MD5 · raw file

  1. //
  2. // RMTile.h
  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. #ifndef _TILE_H_
  28. #define _TILE_H_
  29. #include <CoreGraphics/CGGeometry.h>
  30. //#include <Quartz/Quartz.h>
  31. #include <stdint.h>
  32. /*! \file RMTile.h
  33. */
  34. /*! \struct RMTile
  35. \brief Uniquely specifies coordinates and zoom level for a particular tile in some tile source.
  36. This is a 3-field number. If you want the image associated with an RMTile, you're looking for RMTileImage
  37. */
  38. typedef struct{
  39. uint32_t x, y;
  40. short zoom;
  41. } RMTile;
  42. /*! \struct RMTilePoint
  43. \brief Don't know what this is for.
  44. */
  45. typedef struct{
  46. RMTile tile;
  47. CGPoint offset;
  48. } RMTilePoint;
  49. /*! \struct RMTileRect
  50. \brief Don't know what this is for.
  51. */
  52. typedef struct{
  53. RMTilePoint origin;
  54. CGSize size;
  55. } RMTileRect;
  56. char RMTilesEqual(RMTile one, RMTile two);
  57. char RMTileIsDummy(RMTile tile);
  58. RMTile RMTileDummy();
  59. /// Return a hash of the tile, used to override the NSObject hash method for RMTile.
  60. uint64_t RMTileHash(RMTile tile);
  61. /// Returns a unique key of the tile for use in the SQLite cache
  62. uint64_t RMTileKey(RMTile tile);
  63. /// Round the rectangle to whole numbers of tiles
  64. RMTileRect RMTileRectRound(RMTileRect rect);
  65. /*
  66. /// Calculate and return the intersection of two rectangles
  67. TileRect TileRectIntersection(TileRect one, TileRect two);
  68. /// Calculate and return the union of two rectangles
  69. TileRect TileRectUnion(TileRect one, TileRect two);
  70. */
  71. #endif