Line data    Source code

       1           0 : /*
       2             : 
       3             : OOConvertCubeMapToLatLong.h
       4             : 
       5             : Convert a cube map texture to a lat/long texture.
       6             : 
       7             : 
       8             : Copyright (C) 2010-2013 Jens Ayton
       9             : 
      10             : Permission is hereby granted, free of charge, to any person obtaining a copy
      11             : of this software and associated documentation files (the "Software"), to deal
      12             : in the Software without restriction, including without limitation the rights
      13             : to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
      14             : copies of the Software, and to permit persons to whom the Software is
      15             : furnished to do so, subject to the following conditions:
      16             : 
      17             : The above copyright notice and this permission notice shall be included in all
      18             : copies or substantial portions of the Software.
      19             : 
      20             : THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
      21             : IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
      22             : FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
      23             : AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
      24             : LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
      25             : OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
      26             : SOFTWARE.
      27             : 
      28             : */
      29             : 
      30             : #import "OOPixMap.h"
      31             : 
      32             : 
      33             : /*      OOConvertCubeMapToLatLong
      34             :         
      35             :         Given an RGBA pixmap containing a cube map texture, convert it to a latlong
      36             :         texture of (height * 2) by height pixels. The texture is also flipped, to
      37             :         account for Oolite texture coordianate conventions.
      38             :         
      39             :         The source pix map must have four components and be six times as high as
      40             :         it is wide.
      41             :         
      42             :         2 x 2 pixel supersampling is used.
      43             : */
      44           0 : OOPixMap OOConvertCubeMapToLatLong(OOPixMap sourcePixMap, OOPixMapDimension height, BOOL leaveSpaceForMipMaps);