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ImageUtil.h

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00001 /* ---------------------------------------------------------------------------
00002     Phission : 
00003         Realtime Vision Processing System
00004     
00005     Copyright (C) 2003-2006 Philip D.S. Thoren (pthoren@cs.uml.edu)
00006     University of Massachusetts at Lowell,
00007     Laboratory for Artificial Intelligence and Robotics
00008     
00009     This file is part of Phission.
00010 
00011     Phission is free software; you can redistribute it and/or modify
00012     it under the terms of the GNU Lesser General Public License as published by
00013     the Free Software Foundation; either version 2 of the License, or
00014     (at your option) any later version.
00015 
00016     Phission is distributed in the hope that it will be useful,
00017     but WITHOUT ANY WARRANTY; without even the implied warranty of
00018     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00019     GNU Lesser General Public License for more details.
00020 
00021     You should have received a copy of the GNU Lesser General Public License
00022     along with Phission; if not, write to the Free Software
00023     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00024 
00025  ---------------------------------------------------------------------------*/
00026 #ifndef _IMAGEUTIL_H
00027 #define _IMAGEUTIL_H
00028 
00029 #include <phStandard.h>
00030 #include <phStdint.h>
00031 
00032 /* ------------------------------------------------------------------------- */
00033 #ifdef __cplusplus
00034 extern "C" 
00035 {
00036 #endif /* __cplusplus */
00037 
00047 #define phResizeBilinear (1<<1)
00048 #define phResizeNN       (1<<2)
00049 
00050 /* ------------------------------------------------------------------------- */
00051 /* Bilinear conversion functions */
00052 /* ------------------------------------------------------------------------- */
00057 typedef struct ph_bilinear_table_t *ph_bilinear_table_type;
00058 #define bl_table_type ph_bilinear_table_type
00059 
00063 PHAPI(int) ph_bilinear_scale(const uint8_t             *image,
00064                              const uint32_t             w,  /* input width */
00065                              const uint32_t             h,  /* input height */
00066                              const uint32_t             f,  /* input format */
00067                              const uint32_t             nw, /* new width */
00068                              const uint32_t             nh, /* new height */
00069                              ph_bilinear_table_type    *table,
00070                              uint8_t                  **pscaled_image );
00071 
00072 PHAPI(void) ph_bilinear_table_free(ph_bilinear_table_type *table);
00073 
00074 /* ------------------------------------------------------------------------- */
00075 /* Nearest Neighbor conversion functions */
00076 /* ------------------------------------------------------------------------- */
00077 typedef struct ph_nearest_neighbor_table_t *ph_nearest_neighbor_table_type;
00078 #define ph_nn_table_type ph_nearest_neighbor_table_type
00083 PHAPI(int) ph_nearest_neighbor_scale(const uint8_t     *image,
00084                                      const uint32_t     w,  /* input width */
00085                                      const uint32_t     h,  /* input height */
00086                                      const uint32_t     f,  /* input format */
00087                                      const uint32_t     nw, /* new width */
00088                                      const uint32_t     nh, /* new height */
00089                                      ph_nn_table_type  *table,
00090                                      uint8_t          **pscaled_image );
00091 
00092 PHAPI(void) ph_nearest_neighbor_table_free(ph_nn_table_type *table);
00093 
00094 /* ------------------------------------------------------------------------- */
00095 /* Image crop function */
00096 /* ------------------------------------------------------------------------- */
00101 PHAPI(int) ph_image_crop(const uint8_t    *imgptr,
00102                          const uint32_t    in_w,  /* input width */
00103                          const uint32_t    in_h,  /* input height */
00104                          const uint32_t    in_f,  /* input format */
00105                          uint32_t          x1,
00106                          uint32_t          y1,
00107                          uint32_t          x2,
00108                          uint32_t          y2,
00109                          uint8_t         **pcropped_image,
00110                          uint32_t         *ps,
00111                          uint32_t         *pw,
00112                          uint32_t         *ph );
00113  /* end \addtogroup Image_Utility */ /* end \addtogroup Image */
00116 
00117 /* ------------------------------------------------------------------------- */
00118 #ifdef __cplusplus
00119 }
00120 #endif /* __cplusplus */
00121     
00122 #endif /* _IMAGEUTIL_H */




Copyright (C) 2002 - 2007 Philip D.S. Thoren ( pthoren@users.sourceforge.net )
University Of Massachusetts at Lowell
Robotics Lab
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